/* roulang page: index */
:root{
    --c-bg:#05121A;
    --c-bg-2:#081C26;
    --c-surface:rgba(255,255,255,.05);
    --c-surface-2:rgba(255,255,255,.08);
    --c-line:rgba(255,255,255,.09);
    --c-line-strong:rgba(255,255,255,.18);
    --c-primary:#17C8A6;
    --c-primary-deep:#0E8F86;
    --c-primary-soft:rgba(23,200,166,.12);
    --c-accent:#FFA62B;
    --c-text-1:#EAF4F6;
    --c-text-2:#A8BCC4;
    --c-text-3:#6E8791;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --e1:0 6px 18px -12px rgba(0,0,0,.6);
    --e2:0 22px 48px -26px rgba(0,0,0,.75);
    --glow:0 0 0 1px rgba(23,200,166,.35), 0 10px 34px -10px rgba(23,200,166,.45);
    --ease:cubic-bezier(.2,.7,.3,1);
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text-1);
    font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    letter-spacing:0;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button{font-family:inherit;}
  h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;}
  p{margin:0;}
  ul{margin:0;padding:0;list-style:none;}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  @media (min-width:1280px){ .wrap{max-width:1280px;} }
  @media (max-width:1024px){ .wrap{padding:0 24px;} }
  @media (max-width:640px){ .wrap{padding:0 20px;} }

  /* ============ 头部导航 ============ */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:60;
    border-bottom:1px solid transparent;
    transition:background .24s var(--ease), border-color .24s var(--ease), backdrop-filter .24s var(--ease);
  }
  .site-header.scrolled{
    background:rgba(5,18,26,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--c-line);
  }
  .nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
  .brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--c-text-1);white-space:nowrap;}
  .brand-dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(23,200,166,.16);flex:0 0 auto;}
  .nav-links{display:flex;align-items:center;gap:34px;}
  .nav-link{position:relative;font-size:15px;color:var(--c-text-2);padding:6px 0;transition:color .2s var(--ease);}
  .nav-link:hover{color:var(--c-text-1);}
  .nav-link.active{color:var(--c-text-1);}
  .nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--c-primary);}
  .nav-link.active::before{content:"";position:absolute;left:-11px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--c-primary);transform:translateY(-50%);}
  .nav-actions{display:flex;align-items:center;gap:20px;}
  .nav-text-link{font-size:14px;color:var(--c-text-2);transition:color .2s var(--ease);}
  .nav-text-link:hover{color:var(--c-primary);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;border-radius:var(--r-pill);
    font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn-primary{background:var(--c-primary);color:#03151A;box-shadow:var(--glow);}
  .btn-primary:hover{background:#1FDCB8;transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:var(--c-surface);border-color:var(--c-line-strong);color:var(--c-text-1);}
  .btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(23,200,166,.42);}
  .nav-cta{min-height:40px;padding:0 18px;font-size:14px;}

  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:12px;background:var(--c-surface);
    border:1px solid var(--c-line-strong);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
  }
  .nav-toggle span{display:block;width:18px;height:1.5px;background:var(--c-text-1);transition:transform .22s var(--ease),opacity .22s var(--ease);}
  .nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

  .drawer{
    display:none;flex-direction:column;gap:0;
    background:rgba(5,18,26,.97);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--c-line);
    padding:8px 20px 24px;
  }
  .drawer.open{display:flex;}
  .drawer-link{display:flex;align-items:center;min-height:52px;font-size:16px;color:var(--c-text-2);border-bottom:1px solid var(--c-line);text-align:left;}
  .drawer-link.active{color:var(--c-primary);}
  .drawer-cta{margin-top:20px;width:100%;}

  @media (max-width:1024px){
    .nav-links,.nav-text-link,.nav-cta{display:none;}
    .nav-toggle{display:flex;}
  }
  @media (min-width:1025px){
    .drawer{display:none !important;}
  }

  /* ============ Hero ============ */
  .hero{position:relative;min-height:78vh;display:flex;align-items:center;padding:150px 0 84px;overflow:hidden;border-bottom:1px solid var(--c-line);}
  .hero-bg{
    position:absolute;inset:0;z-index:0;
    background-image:linear-gradient(rgba(5,18,26,.74),rgba(5,18,26,.88)),url('/assets/images/backpic/back-1.webp');
    background-size:cover,cover;background-position:center,center;
  }
  .hero-bg::after{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
    background-size:52px 52px;opacity:.55;
  }
  .hero::after{
    content:"";position:absolute;left:0;right:0;bottom:0;height:1px;z-index:3;
    background:linear-gradient(90deg,transparent,rgba(23,200,166,.55),transparent);
  }
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;color:#5FE3C8;background:var(--c-primary-soft);
    border:1px solid rgba(23,200,166,.28);border-radius:var(--r-pill);
    padding:5px 14px;margin-bottom:22px;
  }
  .hero-title{font-size:clamp(34px,4.6vw,56px);line-height:1.14;font-weight:700;letter-spacing:.005em;}
  .hero-sub{font-size:clamp(15px,1.5vw,17px);color:var(--c-text-2);margin-top:20px;max-width:34ch;}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
  .hero-note{margin-top:22px;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:9px;}
  .hero-note .dot{width:4px;height:4px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;}
  .hero-stats{
    display:grid;grid-template-columns:repeat(3,1fr);
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    padding:30px 6px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
  }
  .hero-stat{padding:0 20px;border-right:1px solid var(--c-line);}
  .hero-stat:last-child{border-right:none;}
  .hero-stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums;}
  .hero-stat span{display:block;font-size:12px;color:var(--c-text-3);margin-top:8px;line-height:1.5;}

  @media (max-width:1024px){
    .hero{padding:126px 0 68px;min-height:auto;}
    .hero-grid{grid-template-columns:1fr;gap:38px;}
  }
  @media (max-width:640px){
    .hero{padding:112px 0 56px;min-height:520px;align-items:flex-start;}
    .hero-cta .btn{width:100%;}
    .hero-stats{grid-template-columns:1fr;padding:6px 24px;}
    .hero-stat{padding:20px 0;border-right:none;border-bottom:1px solid var(--c-line);}
    .hero-stat:last-child{border-bottom:none;}
  }

  /* ============ 通用板块 ============ */
  .section{padding:104px 0;position:relative;}
  @media (max-width:1024px){ .section{padding:76px 0;} }
  @media (max-width:640px){ .section{padding:58px 0;} }
  .section + .section{padding-top:0;}
  .band{background:linear-gradient(180deg,rgba(8,28,38,0),rgba(8,28,38,.55) 50%,rgba(8,28,38,0));}

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
  .section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;}
  .section-head .lead{font-size:15px;color:var(--c-text-2);margin-top:12px;max-width:52ch;}
  .text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--c-primary);transition:gap .22s var(--ease),color .22s var(--ease);}
  .text-link:hover{gap:12px;color:#5FE3C8;}
  .hairline{height:1px;background:var(--c-line);margin:0;border:0;}

  /* ============ 主张条目 ============ */
  .claim-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 64px;margin-top:56px;}
  .claim{display:grid;grid-template-columns:auto 1fr;gap:22px;padding:30px 0;border-top:1px solid var(--c-line);}
  .claim:nth-child(odd){transform:translateY(-22px);}
  .claim-num{font-size:clamp(38px,4.4vw,58px);line-height:1;font-weight:700;color:rgba(23,200,166,.34);font-variant-numeric:tabular-nums;}
  .claim h3{font-size:19px;font-weight:600;margin-bottom:8px;}
  .claim p{font-size:14.5px;line-height:1.75;color:var(--c-text-2);max-width:42ch;}
  @media (max-width:860px){
    .claim-grid{grid-template-columns:1fr;gap:0;}
    .claim:nth-child(odd){transform:none;}
    .claim{padding:24px 0;}
  }

  /* ============ 故事区 ============ */
  .story{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:center;}
  .story.reverse{grid-template-columns:7fr 5fr;}
  .story.reverse .story-media{order:2;}
  .story-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:var(--c-bg-2);aspect-ratio:4/3;box-shadow:var(--e2);}
  .story-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .story-media:hover img{transform:scale(1.03);}
  .story-copy h2{font-size:clamp(24px,2.5vw,34px);line-height:1.28;}
  .story-copy p{font-size:16px;line-height:1.85;color:var(--c-text-2);margin-top:22px;}
  .story-divider{height:1px;background:var(--c-line);margin:30px 0 22px;}
  @media (max-width:900px){
    .story,.story.reverse{grid-template-columns:1fr;gap:30px;}
    .story-media,.story.reverse .story-media{order:-1;}
  }

  /* ============ 卡片系统 ============ */
  .card{
    position:relative;display:flex;flex-direction:column;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
    overflow:hidden;color:inherit;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
  }
  .card:hover{
    border-color:rgba(23,200,166,.35);
    box-shadow:0 0 0 1px rgba(23,200,166,.16),0 22px 48px -26px rgba(23,200,166,.35);
    transform:translateY(-2px);
  }
  .card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-2);border-bottom:1px solid var(--c-line);}
  .card-cover.ratio43{aspect-ratio:4/3;}
  .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
  .card:hover .card-cover img{transform:scale(1.03);}
  .card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .card-body h3{font-size:18px;line-height:1.45;font-weight:600;}
  .card-body p{font-size:14px;line-height:1.75;color:var(--c-text-2);}
  .card-meta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
    font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums;
  }
  .card-meta .enter{color:var(--c-primary);}
  .card-arrow{position:absolute;right:18px;bottom:18px;color:var(--c-text-3);transition:transform .22s var(--ease),color .22s var(--ease);}
  .card:hover .card-arrow{transform:translate(3px,-3px);color:var(--c-primary);}

  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
    font-size:12px;line-height:1;background:var(--c-primary-soft);
    color:#5FE3C8;border:1px solid rgba(23,200,166,.28);white-space:nowrap;
  }
  .badge-amber{background:rgba(255,166,43,.12);color:#FFC271;border-color:rgba(255,166,43,.26);}

  .clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

  /* ============ Bento 精选 ============ */
  .bento{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:52px;}
  .bento .span2{grid-column:span 2;}
  .bento .span4{grid-column:span 4;}
  .narrow-card{
    display:flex;align-items:center;gap:20px;
    padding:24px 28px;border:1px solid var(--c-line);border-radius:var(--r-lg);
    background:var(--c-surface);box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    transition:border-color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease);
  }
  .narrow-card:hover{border-color:rgba(23,200,166,.35);background:var(--c-surface-2);transform:translateY(-2px);}
  .narrow-card .num{font-size:14px;font-weight:600;color:var(--c-primary);font-variant-numeric:tabular-nums;flex:0 0 auto;}
  .narrow-card h3{font-size:18px;font-weight:600;flex:1;line-height:1.4;}
  .narrow-card .arrow{color:var(--c-text-3);transition:transform .22s var(--ease),color .22s var(--ease);}
  .narrow-card:hover .arrow{transform:translateX(4px);color:var(--c-primary);}
  @media (max-width:1024px){
    .bento{grid-template-columns:repeat(2,1fr);}
    .bento .span2{grid-column:span 2;}
    .bento .span4{grid-column:span 2;}
  }
  @media (max-width:640px){
    .bento{grid-template-columns:1fr;gap:18px;}
    .bento .span2,.bento .span4{grid-column:span 1;}
    .narrow-card{flex-wrap:wrap;padding:22px;}
    .narrow-card h3{flex-basis:100%;}
  }

  /* ============ 最新信息列表 ============ */
  .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;}
  @media (max-width:1024px){ .info-grid{grid-template-columns:repeat(2,1fr);} }
  @media (max-width:640px){ .info-grid{grid-template-columns:1fr;gap:18px;} }

  .empty-state{
    grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
    padding:64px 24px;border:1px dashed var(--c-line-strong);border-radius:var(--r-lg);
    background:var(--c-surface);text-align:center;
  }
  .empty-state svg{width:40px;height:40px;color:var(--c-text-3);}
  .empty-state p{font-size:14px;color:var(--c-text-2);}

  /* ============ 信任背书 ============ */
  .trust-bar{
    display:grid;grid-template-columns:repeat(4,1fr);
    border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
    margin-top:56px;
  }
  .trust-cell{padding:38px 26px;border-right:1px solid var(--c-line);}
  .trust-cell:last-child{border-right:none;}
  .trust-cell b{display:block;font-size:clamp(30px,3.4vw,40px);font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;}
  .trust-cell span{display:block;font-size:12px;color:var(--c-text-3);margin-top:10px;line-height:1.5;}
  .partner-wall{
    margin-top:44px;font-size:14px;color:rgba(168,188,196,.55);
    display:flex;flex-wrap:wrap;gap:10px 26px;line-height:2;
  }
  .partner-wall span{position:relative;}
  @media (max-width:860px){
    .trust-bar{grid-template-columns:1fr 1fr;}
    .trust-cell:nth-child(2n){border-right:none;}
    .trust-cell:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
    .trust-cell{padding:26px 18px;}
  }

  /* ============ FAQ ============ */
  .faq{max-width:860px;margin:52px auto 0;}
  .faq-item{border-bottom:1px solid var(--c-line);}
  .faq-item:first-child{border-top:1px solid var(--c-line);}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:12px;
    padding:22px 0;background:none;border:none;color:var(--c-text-1);
    font-size:16.5px;font-weight:600;text-align:left;cursor:pointer;line-height:1.6;
  }
  .faq-q::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;}
  .faq-icon{margin-left:auto;font-size:20px;line-height:1;color:var(--c-primary);transition:transform .3s var(--ease);flex:0 0 auto;}
  .faq-item.open .faq-icon{transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
  .faq-item.open .faq-a{max-height:320px;}
  .faq-a p{padding:0 0 24px 18px;font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:74ch;}

  /* ============ CTA 面板 ============ */
  .cta-panel{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    border:1px solid var(--c-line);background:var(--c-surface);
    padding:56px;text-align:center;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  }
  .cta-panel::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:radial-gradient(620px 260px at 50% 0%,rgba(23,200,166,.16),transparent 70%);
  }
  .cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:18px;}
  .cta-panel h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;}
  .cta-panel p{font-size:15px;color:var(--c-text-2);max-width:58ch;}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:10px;}
  .form-row{display:flex;gap:12px;width:100%;max-width:520px;margin-top:6px;}
  .field{
    flex:1;min-height:48px;border-radius:var(--r-md);
    background:rgba(255,255,255,.05);border:1px solid var(--c-line-strong);
    color:var(--c-text-1);padding:0 16px;font-size:15px;font-family:inherit;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .field::placeholder{color:var(--c-text-3);}
  .field:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 8px rgba(23,200,166,.12);}
  .cta-foot{font-size:13px;color:var(--c-text-3);margin-top:6px;}
  @media (max-width:640px){
    .cta-panel{padding:38px 22px;}
    .form-row{flex-direction:column;}
    .form-row .btn{width:100%;}
  }

  /* ============ 页脚 ============ */
  .site-footer{border-top:1px solid var(--c-line);padding-top:64px;background:linear-gradient(180deg,transparent,rgba(8,28,38,.6));}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:56px;}
  .footer-brand p{font-size:13.5px;line-height:1.85;color:var(--c-text-3);margin-top:18px;max-width:32ch;}
  .footer-col h4{font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.02em;margin-bottom:14px;}
  .footer-col a{display:block;font-size:14px;line-height:2.2;color:var(--c-text-2);transition:color .2s var(--ease),transform .2s var(--ease);}
  .footer-col a:hover{color:var(--c-text-1);transform:translateX(2px);}
  .footer-info li{font-size:13.5px;line-height:2.1;color:var(--c-text-3);}
  .footer-info li b{color:var(--c-text-2);font-weight:500;}
  .footer-bottom{
    border-top:1px solid var(--c-line);
    display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
    padding:22px 0 30px;font-size:13px;color:var(--c-text-3);
  }
  .footer-bottom a{color:var(--c-text-3);transition:color .2s var(--ease);}
  .footer-bottom a:hover{color:var(--c-primary);}
  @media (max-width:1024px){
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .footer-brand{grid-column:1/-1;}
  }
  @media (max-width:640px){
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .site-footer{padding-top:48px;}
  }

  /* ============ 入场动效 ============ */
  .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease);}
  .reveal.in{opacity:1;transform:none;}
  @media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none;}
    html{scroll-behavior:auto;}
  }

/* roulang page: article */
:root{
  --c-bg:#05121A;
  --c-bg-2:#081C26;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(255,255,255,.09);
  --c-line-strong:rgba(255,255,255,.18);
  --c-primary:#17C8A6;
  --c-primary-deep:#0E8F86;
  --c-primary-soft:rgba(23,200,166,.12);
  --c-accent:#FFA62B;
  --c-text-1:#EAF4F6;
  --c-text-2:#A8BCC4;
  --c-text-3:#6E8791;
  --c-body:#D6E6EA;
  --glow:0 0 0 1px rgba(23,200,166,.35), 0 10px 34px -10px rgba(23,200,166,.45);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --e1:0 6px 18px -12px rgba(0,0,0,.6);
  --e2:0 22px 48px -26px rgba(0,0,0,.75);
  --t:220ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth}
body.site{
  margin:0;
  padding:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.site img{max-width:100%;height:auto;display:block}
body.site a{color:inherit}
body.site button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
a:focus-visible,button:focus-visible,input:focus-visible,.nav-link:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(5,18,26,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--c-text-1);
  text-decoration:none;
  white-space:nowrap;
}
.brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 0 4px rgba(23,200,166,.16);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  font-size:15px;
  color:var(--c-text-2);
  text-decoration:none;
  padding:6px 0;
  transition:color var(--t);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:1px;
  background:var(--c-primary);
  transform:translateX(-50%);
  transition:width var(--t);
}
.nav-link:hover{color:var(--c-text-1)}
.nav-link:hover::after{width:60%}
.nav-link.active{color:var(--c-text-1);font-weight:600;padding-left:14px}
.nav-link.active::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-primary);
  transform:translateY(-50%);
}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:18px}
.header-actions .quiet{font-size:14px;color:var(--c-text-3);text-decoration:none;transition:color var(--t)}
.header-actions .quiet:hover{color:var(--c-text-1)}
.menu-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:var(--r-md);
  border:1px solid var(--c-line-strong);
  background:var(--c-surface);
  color:var(--c-text-1);
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:currentColor;
  position:relative;
}
.menu-toggle span::before,
.menu-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:1.5px;
  background:currentColor;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.mobile-drawer{display:none}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t),color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04161A;box-shadow:var(--glow)}
.btn-primary:hover{background:#1FDDB8;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:var(--c-surface);
  border-color:var(--c-line-strong);
  color:var(--c-text-1);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(23,200,166,.5)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}

/* ---------- page head ---------- */
.page-shell{padding-top:26px}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--c-text-3);
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-text-3);text-decoration:none;transition:color var(--t)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.16)}
.breadcrumb .current{
  color:var(--c-text-2);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-main{max-width:820px;margin:0 auto}
.article-head{padding:34px 0 0}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--c-text-3);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
}
.badge-primary{
  background:var(--c-primary-soft);
  color:#7FE8D3;
  border:1px solid rgba(23,200,166,.3);
}
.badge-accent{
  background:rgba(255,166,43,.12);
  color:#FFC776;
  border:1px solid rgba(255,166,43,.28);
}
.article-title{
  margin:18px 0 0;
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.01em;
  color:#F4FBFD;
}
.divider{height:1px;border:0;background:var(--c-line);margin:26px 0 0}

.article-figure{margin:32px 0 0;position:relative}
.article-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  background:var(--c-bg-2);
}
.article-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--c-text-3);
  text-align:center;
}

/* ---------- article body ---------- */
.article-body{
  padding-top:34px;
  font-size:17px;
  line-height:1.9;
  color:var(--c-body);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  margin:48px 0 16px;
  padding-left:15px;
  font-size:26px;
  line-height:1.4;
  font-weight:600;
  color:var(--c-text-1);
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.36em;
  width:3px;
  height:1em;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  margin:32px 0 12px;
  font-size:20px;
  line-height:1.5;
  font-weight:600;
  color:var(--c-text-1);
}
.article-body ul,
.article-body ol{
  margin:0 0 20px;
  padding-left:0;
  list-style:none;
}
.article-body li{
  position:relative;
  padding-left:20px;
  margin-bottom:8px;
  line-height:1.85;
}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.78em;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-primary);
}
.article-body ol{counter-reset:item}
.article-body ol > li{counter-increment:item}
.article-body ol > li::before{
  content:counter(item);
  position:absolute;
  left:0;
  top:.35em;
  width:16px;
  font-size:13px;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:26px 0;
  padding:20px;
  background:var(--c-surface);
  border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{
  color:#7FE8D3;
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  transition:color var(--t),text-decoration-thickness var(--t);
}
.article-body a:hover{color:#A8F3E3;text-decoration-thickness:2px}
.article-body strong{color:#FFFFFF;font-weight:600}
.article-body img{
  width:100%;
  border-radius:16px;
  border:1px solid var(--c-line);
  margin:24px 0;
  background:var(--c-bg-2);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  min-width:520px;
}
.article-body th,
.article-body td{
  padding:14px 16px;
  text-align:left;
  border-bottom:1px solid var(--c-line);
  vertical-align:top;
}
.article-body th{
  background:var(--c-primary-soft);
  color:#CFF5EC;
  font-weight:600;
  font-size:14px;
}
.article-body tr:last-child td{border-bottom:0}
.table-scroll{
  overflow-x:auto;
  margin:24px 0;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  background:var(--c-surface);
}
.empty-state{
  padding:72px 24px;
  text-align:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  background:var(--c-surface);
  margin-top:36px;
}
.empty-state p{margin:0 0 18px;font-size:14px;color:var(--c-text-2)}
.empty-state .empty-line{
  width:40px;height:40px;
  margin:0 auto 16px;
  border-radius:50%;
  border:1px solid var(--c-line-strong);
  position:relative;
}
.empty-state .empty-line::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:14px;height:1px;
  background:var(--c-text-3);
  transform:translate(-50%,-50%);
}

/* ---------- article foot ---------- */
.article-foot{padding:64px 0 0}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.section-head h2{
  margin:0;
  font-size:22px;
  line-height:1.4;
  font-weight:600;
  color:var(--c-text-1);
}
.text-link{
  font-size:14px;
  color:var(--c-text-2);
  text-decoration:none;
  border-bottom:1px solid rgba(255,255,255,.2);
  padding-bottom:2px;
  transition:color var(--t),border-color var(--t);
}
.text-link:hover{color:var(--c-primary);border-color:var(--c-primary)}
.related-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:26px;
}
.rel-card{
  display:block;
  text-decoration:none;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--e1),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.rel-card:hover{
  transform:translateY(-2px);
  border-color:rgba(23,200,166,.32);
  box-shadow:var(--e2),0 0 0 1px rgba(23,200,166,.25);
}
.rel-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--c-bg-2);
  border-bottom:1px solid var(--c-line);
}
.rel-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 400ms cubic-bezier(.2,.7,.3,1);
}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:20px 22px 22px}
.rel-body h3{
  margin:10px 0 8px;
  font-size:17px;
  line-height:1.5;
  font-weight:600;
  color:var(--c-text-1);
}
.rel-body p{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:var(--c-text-2);
}
.back-links{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  padding:34px 0 0;
}

/* ---------- cta ---------- */
.cta-band{padding:96px 0 0}
.cta-panel{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  padding:56px;
  box-shadow:var(--e2),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-140px;
  top:-160px;
  width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(23,200,166,.16),rgba(23,200,166,0) 68%);
  pointer-events:none;
}
.cta-panel h2{
  position:relative;
  margin:0 0 12px;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:600;
  color:var(--c-text-1);
}
.cta-panel .cta-desc{
  position:relative;
  margin:0 0 28px;
  max-width:560px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-text-2);
}
.sub-form{
  position:relative;
  display:flex;
  gap:12px;
  max-width:520px;
}
.sub-form input{
  flex:1;
  min-height:46px;
  padding:0 16px;
  font-size:15px;
  color:var(--c-text-1);
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-md);
  transition:border-color var(--t),box-shadow var(--t);
}
.sub-form input::placeholder{color:var(--c-text-3)}
.sub-form input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 8px rgba(23,200,166,.1);
}
.sub-msg{
  position:relative;
  margin:14px 0 0;
  font-size:13px;
  color:var(--c-primary);
  min-height:20px;
}
.cta-side-link{
  position:relative;
  display:inline-block;
  margin-top:8px;
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:104px;
  border-top:1px solid var(--c-line);
  padding-top:64px;
  background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.02));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{
  margin:0;
  max-width:280px;
  font-size:14px;
  line-height:1.8;
  color:var(--c-text-3);
}
.footer-col h4{
  margin:0 0 14px;
  font-size:13px;
  font-weight:600;
  color:var(--c-text-3);
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  font-size:14px;
  line-height:2.2;
  color:var(--c-text-2);
  text-decoration:none;
  transition:color var(--t),transform var(--t);
}
.footer-col a:hover{color:var(--c-text-1);transform:translateX(2px)}
.footer-info{
  margin:0;
  padding:0;
  list-style:none;
  font-size:14px;
  line-height:2.2;
  color:var(--c-text-3);
}
.footer-info b{color:var(--c-text-2);font-weight:600}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:22px 0 30px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
}
.footer-bottom a{color:var(--c-text-3);text-decoration:none;transition:color var(--t)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms cubic-bezier(.2,.7,.3,1),transform 520ms cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .wrap{padding:0 24px}
  .nav-links{display:none}
  .header-actions .quiet{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{
    display:block;
    position:fixed;
    top:68px;
    left:0;right:0;
    background:rgba(5,18,26,.96);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--c-line);
    max-height:0;
    overflow:hidden;
    transition:max-height 320ms cubic-bezier(.2,.7,.3,1);
    z-index:79;
  }
  .mobile-drawer.open{max-height:440px}
  .mobile-drawer a{
    display:flex;
    align-items:center;
    height:52px;
    padding:0 24px;
    font-size:15px;
    color:var(--c-text-2);
    text-decoration:none;
    border-bottom:1px solid var(--c-line);
  }
  .mobile-drawer a.active{color:var(--c-text-1);font-weight:600}
  .mobile-drawer .drawer-cta{
    justify-content:center;
    height:auto;
    padding:16px 24px;
    border-bottom:0;
    background:var(--c-primary);
    color:#04161A;
    font-weight:600;
  }
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .cta-panel{padding:44px}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .header-inner{height:64px}
  .mobile-drawer{top:64px}
  .brand{font-size:16px}
  .page-shell{padding-top:18px}
  .article-title{font-size:26px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:38px}
  .article-body h3{font-size:18px;margin-top:26px}
  .related-grid{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .site-footer{margin-top:72px;padding-top:48px}
  .cta-band{padding-top:64px}
  .cta-panel{padding:32px 24px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .article-foot{padding-top:48px}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr}
  .breadcrumb .current{max-width:180px}
  .article-meta{gap:8px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
}

/* roulang page: category1 */
:root{
    --c-bg:#05121A;
    --c-bg-2:#081C26;
    --c-surface:rgba(255,255,255,.05);
    --c-surface-2:rgba(255,255,255,.08);
    --c-line:rgba(255,255,255,.09);
    --c-line-strong:rgba(255,255,255,.18);
    --c-primary:#17C8A6;
    --c-primary-deep:#0E8F86;
    --c-primary-soft:rgba(23,200,166,.12);
    --c-accent:#FFA62B;
    --c-text-1:#EAF4F6;
    --c-text-2:#A8BCC4;
    --c-text-3:#6E8791;
    --glow:0 0 0 1px rgba(23,200,166,.35), 0 10px 34px -10px rgba(23,200,166,.45);
    --r-sm:8px;
    --r-md:14px;
    --r-lg:20px;
    --r-pill:999px;
    --e1:0 6px 18px -12px rgba(0,0,0,.6);
    --e2:0 22px 48px -26px rgba(0,0,0,.75);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-text-1);
    font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
  .wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
  .num{font-variant-numeric:tabular-nums}

  /* ---------- header / nav ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;
    border-bottom:1px solid transparent;
    transition:background .24s var(--ease),border-color .24s var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(5,18,26,.72);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border-bottom-color:var(--c-line);
  }
  .header-inner{display:flex;align-items:center;gap:24px;height:68px}
  .brand{
    display:inline-flex;align-items:center;gap:10px;
    font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--c-text-1);
    white-space:nowrap;
  }
  .brand-dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--c-primary);
    box-shadow:0 0 0 4px var(--c-primary-soft);
    flex:0 0 auto;
  }
  .nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:8px;
    height:68px;font-size:15px;color:var(--c-text-2);
    transition:color .2s var(--ease);
  }
  .nav-link::before{
    content:"";width:4px;height:4px;border-radius:50%;
    background:var(--c-primary);opacity:0;
    transition:opacity .2s var(--ease);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;
    background:var(--c-primary);transform:scaleX(0);transform-origin:left;
    transition:transform .24s var(--ease);
  }
  .nav-link:hover{color:var(--c-text-1)}
  .nav-link:hover::before{opacity:.6}
  .nav-link.active{color:var(--c-text-1)}
  .nav-link.active::before{opacity:1}
  .nav-link.active::after{transform:scaleX(1)}
  .header-actions{display:flex;align-items:center;gap:18px;margin-left:8px}
  .link-quiet{
    font-size:14px;color:var(--c-text-2);
    border-bottom:1px solid transparent;padding-bottom:2px;
    transition:color .2s var(--ease),border-color .2s var(--ease);
  }
  .link-quiet:hover{color:var(--c-text-1);border-bottom-color:var(--c-line-strong)}
  .menu-btn{
    display:none;width:44px;height:44px;margin-left:auto;
    border:1px solid var(--c-line);border-radius:var(--r-md);
    flex-direction:column;align-items:center;justify-content:center;gap:5px;
  }
  .menu-btn span{display:block;width:18px;height:1.5px;background:var(--c-text-1);transition:transform .24s var(--ease),opacity .2s var(--ease)}
  .menu-btn[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .menu-btn[aria-expanded="true"] span:nth-child(2){opacity:0}
  .menu-btn[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

  .drawer{
    position:fixed;top:68px;left:0;right:0;z-index:55;
    background:rgba(5,18,26,.97);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--c-line);
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  }
  .drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
  .drawer a{
    display:flex;align-items:center;height:52px;
    padding:0 24px;font-size:15px;color:var(--c-text-2);
    border-bottom:1px solid var(--c-line);
  }
  .drawer a.active{color:var(--c-text-1);box-shadow:inset 3px 0 0 var(--c-primary)}
  .drawer .drawer-cta{padding:16px 24px 22px}

  /* ---------- buttons ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;border-radius:var(--r-pill);
    font-size:15px;font-weight:600;line-height:1;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
  }
  .btn-sm{height:38px;padding:0 18px;font-size:14px}
  .btn-primary{background:var(--c-primary);color:#04231D;box-shadow:var(--glow)}
  .btn-primary:hover{background:#25DCB8;transform:translateY(-1px)}
  .btn-ghost{
    background:var(--c-surface);color:var(--c-text-1);
    border:1px solid var(--c-line-strong);
  }
  .btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(23,200,166,.45)}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;color:var(--c-primary);
    border-bottom:1px solid rgba(23,200,166,.4);padding-bottom:2px;
    transition:border-color .2s var(--ease),color .2s var(--ease);
  }
  .link-arrow:hover{border-bottom-color:var(--c-primary);color:#3FE0C2}

  /* ---------- page head ---------- */
  .page-head{padding:48px 0 0}
  .crumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:13px;color:var(--c-text-3);
  }
  .crumb a:hover{color:var(--c-text-1)}
  .crumb .sep{opacity:.45}
  .crumb .current{color:var(--c-text-2)}
  .page-head h1{
    margin:20px 0 14px;
    font-size:clamp(30px,3.6vw,44px);
    line-height:1.2;font-weight:700;letter-spacing:0;
    max-width:900px;
  }
  .page-head .lede{margin:0;font-size:14px;color:var(--c-text-2)}
  .head-rule{height:1px;background:var(--c-line);margin:40px 0 0}

  /* ---------- layout ---------- */
  .layout{
    display:grid;grid-template-columns:248px minmax(0,1fr);
    gap:56px;padding:56px 0 0;align-items:start;
  }
  .side-nav{position:sticky;top:100px}
  .side-nav .side-title{
    font-size:12px;letter-spacing:.06em;color:var(--c-text-3);
    margin:0 0 14px 14px;
  }
  .side-nav ol{list-style:none;border-left:1px solid var(--c-line);padding-left:14px}
  .side-nav li{margin:0}
  .side-nav a{
    position:relative;display:flex;align-items:center;gap:10px;
    padding:11px 0;font-size:14px;color:var(--c-text-3);
    transition:color .2s var(--ease);
  }
  .side-nav a .dot{
    width:6px;height:6px;border-radius:50%;flex:0 0 auto;
    background:rgba(255,255,255,.18);
    transition:background .2s var(--ease),box-shadow .2s var(--ease);
  }
  .side-nav a:hover{color:var(--c-text-1)}
  .side-nav a.is-active{color:var(--c-text-1)}
  .side-nav a.is-active .dot{background:var(--c-primary);box-shadow:0 0 8px rgba(23,200,166,.85)}
  .side-nav a.is-active::before{
    content:"";position:absolute;left:-15px;top:50%;transform:translateY(-50%);
    width:2px;height:20px;border-radius:2px;background:var(--c-primary);
  }

  .section{
    padding-bottom:52px;margin-bottom:52px;
    border-bottom:1px solid var(--c-line);
    scroll-margin-top:100px;
  }
  .section:last-of-type{border-bottom:0}
  .section h2{
    position:relative;margin:0 0 18px;padding-left:16px;
    font-size:clamp(22px,2.3vw,28px);line-height:1.32;font-weight:600;
  }
  .section h2::before{
    content:"";position:absolute;left:0;top:.45em;
    width:3px;height:20px;border-radius:2px;background:var(--c-primary);
  }
  .section p{margin:0 0 18px;font-size:16.5px;line-height:1.9;color:var(--c-text-2);max-width:74ch}
  .section p:last-child{margin-bottom:0}
  .section .sub{font-size:14px;color:var(--c-text-3);margin:-8px 0 20px}

  .glass-panel{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-md);
    padding:22px 24px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e1);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }
  .panel-title{
    font-size:14px;font-weight:600;color:var(--c-text-1);
    margin:0 0 14px;display:flex;align-items:center;gap:10px;
  }
  .panel-title::before{
    content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);
  }
  .tick-list{list-style:none}
  .tick-list li{
    position:relative;padding:8px 0 8px 20px;
    font-size:15px;line-height:1.75;color:var(--c-text-2);
    border-bottom:1px solid var(--c-line);
  }
  .tick-list li:last-child{border-bottom:0;padding-bottom:0}
  .tick-list li::before{
    content:"";position:absolute;left:0;top:1.05em;
    width:6px;height:6px;border-radius:50%;background:var(--c-primary);
  }
  .grid-note{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .note-cell{
    background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-md);padding:18px 20px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
    transition:border-color .22s var(--ease),transform .22s var(--ease);
  }
  .note-cell:hover{border-color:rgba(23,200,166,.3);transform:translateY(-2px)}
  .note-cell .step-no{
    font-size:13px;font-weight:700;color:var(--c-primary);
    font-variant-numeric:tabular-nums;letter-spacing:.04em;
  }
  .note-cell h3{margin:6px 0 6px;font-size:16px;font-weight:600;line-height:1.4}
  .note-cell p{margin:0;font-size:14px;line-height:1.7;color:var(--c-text-3);max-width:none}

  .figure{margin:22px 0 0}
  .figure img{
    width:100%;aspect-ratio:16/9;object-fit:cover;
    border-radius:var(--r-lg);border:1px solid var(--c-line);
    background:var(--c-bg-2);
  }
  .figure figcaption{
    margin-top:10px;font-size:13px;color:var(--c-text-3);
  }

  /* ---------- stat bar ---------- */
  .stat-bar{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
    border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
    margin:8px 0 56px;
  }
  .stat-cell{
    padding:28px 24px;
    border-left:1px solid var(--c-line);
  }
  .stat-cell:first-child{border-left:0;padding-left:0}
  .stat-cell .stat-num{
    display:block;font-size:clamp(26px,3vw,34px);line-height:1.1;font-weight:700;
    font-variant-numeric:tabular-nums;color:var(--c-text-1);
  }
  .stat-cell .stat-label{
    display:block;margin-top:8px;font-size:12px;color:var(--c-text-3);letter-spacing:.02em;
  }

  /* ---------- faq ---------- */
  .faq-wrap{max-width:860px}
  .faq-item{border-bottom:1px solid var(--c-line)}
  .faq-q{
    width:100%;display:flex;align-items:center;gap:12px;
    padding:20px 0;text-align:left;
    font-size:16.5px;font-weight:600;color:var(--c-text-1);
    transition:color .2s var(--ease);
  }
  .faq-q:hover{color:#fff}
  .faq-q .qdot{
    width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:0 0 auto;
  }
  .faq-q .sign{
    margin-left:auto;font-size:20px;line-height:1;color:var(--c-text-3);
    transition:transform .24s var(--ease),color .24s var(--ease);
  }
  .faq-item.open .faq-q .sign{transform:rotate(45deg);color:var(--c-primary)}
  .faq-a{
    max-height:0;overflow:hidden;
    transition:max-height .32s var(--ease);
  }
  .faq-item.open .faq-a{max-height:340px}
  .faq-a p{
    margin:0 0 22px;padding-left:18px;
    font-size:15px;line-height:1.8;color:var(--c-text-2);max-width:74ch;
  }

  /* ---------- cta strip ---------- */
  .cta-strip{
    position:relative;overflow:hidden;
    margin:8px 0 96px;padding:36px 40px;
    border-radius:var(--r-lg);border:1px solid var(--c-line);
    background:var(--c-surface);
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
  }
  .cta-strip::after{
    content:"";position:absolute;right:-120px;top:-140px;width:460px;height:320px;
    background:radial-gradient(closest-side,rgba(23,200,166,.16),transparent);
    pointer-events:none;
  }
  .cta-strip h2{margin:0 0 8px;font-size:clamp(20px,2.1vw,26px);font-weight:600;line-height:1.35}
  .cta-strip p{margin:0;font-size:14px;color:var(--c-text-2);max-width:52ch}
  .cta-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;position:relative;z-index:1}

  /* ---------- footer ---------- */
  .site-footer{
    border-top:1px solid var(--c-line);
    padding-top:64px;background:linear-gradient(180deg,rgba(8,28,38,.5),rgba(5,18,26,0));
  }
  .footer-grid{
    display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px;
    padding-bottom:48px;
  }
  .footer-brand .brand{margin-bottom:16px}
  .footer-brand p{
    margin:0;font-size:14px;line-height:1.8;color:var(--c-text-3);max-width:300px;
  }
  .footer-col h4{
    margin:0 0 14px;font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.02em;
  }
  .footer-col a{
    display:block;font-size:14px;line-height:2.2;color:var(--c-text-2);
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .footer-col a:hover{color:var(--c-primary);transform:translateX(2px)}
  .footer-info{list-style:none;font-size:14px;line-height:2.1;color:var(--c-text-3)}
  .footer-info b{color:var(--c-text-1);font-weight:600}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    border-top:1px solid var(--c-line);
    padding:20px 0 32px;font-size:13px;color:var(--c-text-3);
  }
  .footer-bottom a:hover{color:var(--c-text-1)}

  /* ---------- responsive ---------- */
  @media (max-width:1023px){
    .nav-links,.header-actions{display:none}
    .menu-btn{display:flex}
    .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:32px}
    .side-nav{
      position:sticky;top:68px;z-index:30;
      background:rgba(5,18,26,.92);
      -webkit-backdrop-filter:blur(12px);
      backdrop-filter:blur(12px);
      border-bottom:1px solid var(--c-line);
      padding:10px 0;
    }
    .side-nav .side-title{display:none}
    .side-nav ol{
      display:flex;gap:10px;border-left:0;padding:0;
      overflow-x:auto;scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
    }
    .side-nav ol::-webkit-scrollbar{display:none}
    .side-nav li{flex:0 0 auto}
    .side-nav a{
      padding:8px 14px;white-space:nowrap;
      border:1px solid var(--c-line);border-radius:var(--r-pill);
      background:var(--c-surface);font-size:13px;
    }
    .side-nav a .dot{display:none}
    .side-nav a.is-active{
      color:var(--c-text-1);border-color:rgba(23,200,166,.5);
      background:var(--c-primary-soft);
    }
    .side-nav a.is-active::before{display:none}
    .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
    .stat-cell{border-top:1px solid var(--c-line);padding:22px 20px}
    .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-top:0}
    .stat-cell:nth-child(odd){border-left:0;padding-left:0}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .footer-brand{grid-column:1 / -1}
    .cta-strip{flex-direction:column;align-items:flex-start;margin-bottom:72px}
    .cta-actions{flex-wrap:wrap;gap:14px}
  }
  @media (max-width:639px){
    .wrap{padding:0 20px}
    .page-head{padding:32px 0 0}
    .head-rule{margin-top:28px}
    .layout{padding-top:24px}
    .section{padding-bottom:40px;margin-bottom:40px}
    .section p{font-size:16px}
    .grid-note{grid-template-columns:minmax(0,1fr)}
    .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:40px}
    .stat-cell{padding:18px 14px}
    .stat-cell .stat-num{font-size:24px}
    .cta-strip{padding:26px 22px;margin-bottom:56px}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:36px}
    .faq-q{font-size:15.5px;padding:18px 0}
    .site-footer{padding-top:48px}
  }

/* roulang page: category2 */
:root{
  --c-bg:#05121A;
  --c-bg-2:#081C26;
  --c-surface:rgba(255,255,255,.05);
  --c-surface-2:rgba(255,255,255,.08);
  --c-line:rgba(255,255,255,.09);
  --c-line-strong:rgba(255,255,255,.18);
  --c-primary:#17C8A6;
  --c-primary-deep:#0E8F86;
  --c-primary-soft:rgba(23,200,166,.12);
  --c-accent:#FFA62B;
  --c-text-1:#EAF4F6;
  --c-text-2:#A8BCC4;
  --c-text-3:#6E8791;
  --glow:0 0 0 1px rgba(23,200,166,.35), 0 10px 34px -10px rgba(23,200,166,.45);
  --e1:0 6px 18px -12px rgba(0,0,0,.6);
  --e2:0 22px 48px -26px rgba(0,0,0,.75);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:radial-gradient(900px 520px at 78% -10%,rgba(23,200,166,.10),transparent 62%);
  z-index:0;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:rgba(23,200,166,.3);color:#fff}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul{list-style:none;padding:0}
.nums{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:104px 0}
.section-tight{padding:72px 0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(5,18,26,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--c-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--c-text-1);
  letter-spacing:.01em;flex:none;
}
.brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-primary);
  box-shadow:0 0 12px rgba(23,200,166,.85);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;
  font-size:15px;color:var(--c-text-2);
  padding:6px 2px;
  transition:color .22s var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:1px;
  background:var(--c-primary);opacity:0;transform:scaleX(.4);
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-16px;
  width:4px;height:4px;border-radius:50%;background:var(--c-primary);
  transform:translateX(-50%) scale(0);
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--c-text-1)}
.nav-link:hover::after{transform:translateX(-50%) scale(1)}
.nav-link.active{color:var(--c-text-1)}
.nav-link.active::before{opacity:1;transform:scaleX(1)}
.nav-link.active::after{transform:translateX(-50%) scale(1)}
.nav-actions{display:flex;align-items:center;gap:18px;flex:none}
.nav-ghost{
  font-size:14px;color:var(--c-text-3);
  transition:color .22s var(--ease);
}
.nav-ghost:hover{color:var(--c-primary)}
.nav-divider{width:1px;height:18px;background:var(--c-line-strong)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);
  border-radius:var(--r-md);background:var(--c-surface);
  align-items:center;justify-content:center;flex-direction:column;
  cursor:pointer;padding:0;
}
.nav-toggle span{
  display:block;width:20px;height:1.5px;background:var(--c-text-1);
  margin:2px auto;transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle.open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-drawer{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .22s var(--ease),box-shadow .24s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#04140F;
  box-shadow:0 10px 30px -14px rgba(23,200,166,.75);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.btn-ghost{
  background:var(--c-surface);border-color:var(--c-line-strong);color:var(--c-text-1);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.btn-ghost:hover{background:var(--c-surface-2);border-color:rgba(23,200,166,.5);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  transition:gap .22s var(--ease),color .22s var(--ease);
}
.link-arrow:hover{gap:10px;color:#5EE3C8}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-primary{background:var(--c-primary-soft);color:#5EE3C8;border:1px solid rgba(23,200,166,.28)}
.badge-accent{background:rgba(255,166,43,.12);color:#FFC46B;border:1px solid rgba(255,166,43,.28)}

/* ---------- cat hero ---------- */
.cat-hero{
  position:relative;
  min-height:392px;
  display:flex;align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
  isolation:isolate;
}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  background-color:var(--c-bg-2);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(5,18,26,.70),rgba(5,18,26,.88));
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:2;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:44px 44px;
}
.cat-hero-inner{position:relative;z-index:3;padding:176px 0 56px;max-width:820px}
.cat-hero h1{
  margin:20px 0 0;
  font-size:clamp(32px,4.4vw,54px);
  line-height:1.14;
  font-weight:700;
  letter-spacing:.01em;
}
.hero-note{
  margin-top:18px;
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-text-2);
}
.hero-note::before{
  content:"";width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);box-shadow:0 0 10px rgba(23,200,166,.9);flex:none;
}

/* ---------- section head ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,36px);
  line-height:1.25;font-weight:600;letter-spacing:.01em;
}
.section-sub{margin-top:12px;font-size:15px;color:var(--c-text-3);max-width:64ch}
.section-body p{font-size:16px;line-height:1.85;color:var(--c-text-2)}

/* ---------- bento matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}
.m-card{
  grid-column:span 2;
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.m-card:hover{transform:translateY(-2px);border-color:rgba(23,200,166,.4);box-shadow:var(--glow)}
.m-card--wide{grid-column:span 3}
.m-cover{
  aspect-ratio:16/9;overflow:hidden;
  background:var(--c-bg-2);border-bottom:1px solid var(--c-line);
}
.m-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.m-card:hover .m-cover img{transform:scale(1.03)}
.m-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.m-body h3{font-size:20px;line-height:1.4;font-weight:600}
.m-body p{font-size:15px;line-height:1.75;color:var(--c-text-2)}
.m-body .link-arrow{margin-top:auto;padding-top:6px}

/* ---------- table ---------- */
.table-shell{
  position:relative;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  background:var(--c-surface);
  overflow:hidden;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll table{width:100%;min-width:700px;border-collapse:collapse}
.table-scroll th{
  background:rgba(23,200,166,.10);
  font-size:13px;font-weight:600;color:var(--c-text-2);
  text-align:left;padding:16px 22px;letter-spacing:.04em;white-space:nowrap;
}
.table-scroll td{
  padding:20px 22px;font-size:15px;line-height:1.75;
  color:var(--c-text-2);border-top:1px solid var(--c-line);vertical-align:top;
}
.table-scroll td:first-child{color:var(--c-text-1);font-weight:600;width:26%}
.table-shell::after{
  content:"";position:absolute;top:0;right:0;width:56px;height:100%;
  background:linear-gradient(90deg,transparent,rgba(5,18,26,.92));
  pointer-events:none;opacity:0;transition:opacity .24s var(--ease);
}
.table-hint{margin-top:14px;font-size:13px;color:var(--c-text-3)}

/* ---------- prep list ---------- */
.prep{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:8px 32px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
}
.prep-item{display:flex;gap:18px;padding:26px 0;border-bottom:1px solid var(--c-line)}
.prep-item:last-child{border-bottom:0}
.prep-num{
  font-size:20px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;flex:none;min-width:38px;line-height:1.4;
}
.prep-item h3{font-size:17px;font-weight:600;line-height:1.5}
.prep-item p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--c-text-2)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:22px 0;background:none;border:0;
  color:var(--c-text-1);font-size:16.5px;font-weight:600;
  text-align:left;cursor:pointer;transition:color .22s var(--ease);
}
.faq-q:hover{color:#5EE3C8}
.faq-dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:none}
.faq-text{flex:1}
.faq-icon{position:relative;width:20px;height:20px;flex:none}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-text-2);
  transition:transform .28s var(--ease),background-color .22s var(--ease);
}
.faq-icon::before{left:2px;top:9.25px;width:16px;height:1.5px}
.faq-icon::after{left:9.25px;top:2px;width:1.5px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-item.open .faq-icon::before{background:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{padding:0 34px 24px 20px;font-size:15px;line-height:1.85;color:var(--c-text-2)}

.side-card{
  position:sticky;top:100px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
}
.side-card figure{
  aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;
  background:var(--c-bg-2);border:1px solid var(--c-line);margin-bottom:22px;
}
.side-card figure img{width:100%;height:100%;object-fit:cover}
.side-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px}
.side-card p{font-size:14.5px;line-height:1.8;color:var(--c-text-2);margin-bottom:20px}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  background:var(--c-surface);
  padding:60px 56px;
  text-align:center;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--e2);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 50% 0%,rgba(23,200,166,.16),transparent 66%);
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:clamp(24px,2.6vw,34px);font-weight:600;line-height:1.3}
.cta-panel p{margin:16px auto 0;max-width:62ch;font-size:15.5px;line-height:1.85;color:var(--c-text-2)}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.back-line{margin-top:28px;text-align:center;font-size:14px}
.back-line a{color:var(--c-text-3);transition:color .22s var(--ease)}
.back-line a:hover{color:var(--c-primary)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:112px;
  border-top:1px solid var(--c-line);
  padding-top:64px;
  background:rgba(255,255,255,.02);
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--c-text-3);max-width:32ch}
.footer-col h4{font-size:13px;font-weight:600;color:var(--c-text-2);letter-spacing:.04em;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;line-height:2.2;color:var(--c-text-3);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-info{font-size:14px;line-height:2.2;color:var(--c-text-3)}
.footer-info b{color:var(--c-text-1);font-weight:600}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--c-line);
  padding:24px 0 44px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.footer-bottom a{color:var(--c-text-2);transition:color .22s var(--ease)}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .wrap{max-width:1200px}
}
@media (max-width:1024px){
  .wrap{padding:0 24px}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .nav-drawer{
    display:block;position:fixed;top:68px;left:0;right:0;
    background:rgba(5,18,26,.96);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--c-line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .24s var(--ease),opacity .24s var(--ease);
    max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-drawer.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-drawer a.nav-link{
    display:flex;align-items:center;height:52px;padding:0 24px;
    font-size:16px;color:var(--c-text-2);
    border-bottom:1px solid var(--c-line);
  }
  .nav-drawer a.nav-link::before,
  .nav-drawer a.nav-link::after{display:none}
  .nav-drawer a.nav-link.active{color:var(--c-primary)}
  .nav-drawer .drawer-cta{
    margin:20px 20px 28px;height:48px;border-radius:var(--r-pill);
    background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
    color:#04140F;font-weight:600;display:flex;align-items:center;justify-content:center;
  }
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .cat-hero{min-height:360px}
  .cat-hero-inner{padding:150px 0 48px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .m-card,.m-card--wide{grid-column:span 1}
  .faq-grid{grid-template-columns:1fr;gap:40px}
  .side-card{position:static}
  .prep{grid-template-columns:1fr;padding:8px 28px}
  .faq-a p{padding-right:20px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .table-shell::after{opacity:1}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cat-hero{min-height:320px}
  .cat-hero-inner{padding:132px 0 40px}
  .cat-hero h1{font-size:clamp(26px,7vw,34px)}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .matrix{grid-template-columns:1fr;gap:20px}
  .m-body{padding:20px}
  .prep{padding:4px 20px}
  .prep-item{padding:22px 0;gap:14px}
  .cta-panel{padding:36px 22px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-bottom{flex-direction:column;gap:8px}
  .table-scroll td{padding:16px 18px}
  .table-scroll th{padding:14px 18px}
}