/* roulang page: index */
:root{
      --primary:#18B66A;
      --primary-dark:#11995A;
      --primary-soft:#EAF8F0;
      --secondary:#7C4DFF;
      --secondary-soft:#F3F0FF;
      --accent:#16C7D9;
      --accent-soft:#EAFBFD;
      --warning:#F5B84B;
      --warning-soft:#FFF6E6;
      --text:#14171F;
      --muted:#5F6675;
      --weak:#8A92A3;
      --line:#E7EAF0;
      --bg:#FAFBF7;
      --bg-2:#EEF7F1;
      --card:#FFFFFF;
      --dark:#11131A;
      --dark-2:#1A1D27;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 14px 35px rgba(20,23,31,.06);
      --shadow-hover:0 22px 48px rgba(20,23,31,.11);
      --container:1220px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(24,182,106,.22);
      outline-offset:3px;
    }
    img{display:block;max-width:100%;height:auto}
    p{margin:0 0 1rem;color:var(--muted)}
    h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.15;font-weight:800;letter-spacing:-.02em}
    h1{font-size:clamp(2.15rem,5vw,3.75rem)}
    h2{font-size:clamp(1.8rem,3.2vw,2.45rem)}
    h3{font-size:clamp(1.18rem,2vw,1.45rem)}
    ul{margin:0;padding:0;list-style:none}
    .site-wrap{overflow:hidden;position:relative}
    .grid-container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .section.compact{padding:66px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      margin-bottom:14px;
    }
    .section-head p{
      font-size:17px;
      margin-top:14px;
      margin-bottom:0;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.92);
      backdrop-filter:saturate(145%) blur(14px);
      border-bottom:1px solid rgba(20,23,31,.08);
      box-shadow:0 8px 24px rgba(20,23,31,.04);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        linear-gradient(135deg,rgba(24,182,106,.98),rgba(124,77,255,.92));
      position:relative;
      box-shadow:0 12px 28px rgba(24,182,106,.22);
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      inset:9px;
      border:2px solid rgba(255,255,255,.75);
      border-radius:10px 10px 4px 10px;
      transform:skewX(-10deg);
    }
    .brand-mark:after{
      inset:15px 8px 8px 18px;
      border-left:0;
      border-bottom:0;
      opacity:.78;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:1px;
      line-height:1.15;
    }
    .brand-text strong{
      font-size:16px;
      font-weight:900;
      letter-spacing:-.01em;
      color:var(--text);
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      font-weight:700;
    }
    .nav-center{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      flex:1 1 auto;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 14px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      color:#2B303B;
      white-space:nowrap;
    }
    .nav-link:hover{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .nav-link.active{
      background:var(--primary-soft);
      color:var(--primary-dark);
      box-shadow:inset 0 0 0 1px rgba(24,182,106,.16);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .search-box{
      width:260px;
      height:42px;
      border-radius:999px;
      background:#F4F6F2;
      border:1px solid rgba(20,23,31,.08);
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      color:var(--weak);
      transition:var(--ease);
    }
    .search-box:hover,.search-box:focus-within{
      border-color:rgba(24,182,106,.38);
      box-shadow:0 0 0 4px rgba(24,182,106,.08);
      background:#fff;
    }
    .search-box input{
      border:0;
      background:transparent;
      box-shadow:none;
      margin:0;
      height:40px;
      padding:0;
      font-size:13px;
      color:var(--text);
    }
    .search-box input:focus{border:0;box-shadow:none;background:transparent}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--text);
      cursor:pointer;
      align-items:center;
      justify-content:center;
      font-weight:900;
      transition:var(--ease);
    }
    .menu-toggle:hover{border-color:rgba(24,182,106,.36);color:var(--primary)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:999px;
      padding:12px 21px;
      min-height:46px;
      font-size:14px;
      font-weight:900;
      line-height:1;
      border:1px solid transparent;
      cursor:pointer;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 26px rgba(24,182,106,.24);
    }
    .btn-primary:hover{
      background:var(--primary-dark);
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(24,182,106,.28);
    }
    .btn-secondary{
      background:#fff;
      color:var(--text);
      border-color:rgba(20,23,31,.1);
    }
    .btn-secondary:hover{
      color:var(--primary-dark);
      background:var(--primary-soft);
      border-color:rgba(24,182,106,.24);
      transform:translateY(-2px);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary-dark);
      font-weight:900;
      font-size:14px;
    }
    .text-link span{transition:var(--ease)}
    .text-link:hover span{transform:translateX(4px)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 11px;
      font-size:12px;
      line-height:1;
      font-weight:900;
      white-space:nowrap;
    }
    .badge.green{background:var(--primary-soft);color:var(--primary-dark)}
    .badge.purple{background:var(--secondary-soft);color:var(--secondary)}
    .badge.cyan{background:var(--accent-soft);color:#078C9D}
    .badge.yellow{background:var(--warning-soft);color:#9A690A}
    .hero{
      position:relative;
      padding:76px 0 86px;
      background:
        radial-gradient(circle at 12% 18%,rgba(24,182,106,.14),transparent 30%),
        radial-gradient(circle at 84% 20%,rgba(124,77,255,.13),transparent 28%),
        linear-gradient(135deg,#FCFDF8 0%,#EEF7F1 52%,#F5F1FF 100%);
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(20,23,31,.045) 1px, transparent 1px),
        linear-gradient(90deg,rgba(20,23,31,.045) 1px, transparent 1px);
      background-size:38px 38px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 84%);
      pointer-events:none;
    }
    .hero:after{
      content:"";
      position:absolute;
      width:600px;
      height:190px;
      right:-170px;
      bottom:20px;
      border:2px solid rgba(24,182,106,.12);
      border-left:0;
      border-radius:100px;
      transform:rotate(-18deg);
      pointer-events:none;
    }
    .hero .grid-container{position:relative;z-index:1}
    .hero-copy{
      padding:24px 0;
    }
    .hero-copy .badge{margin-bottom:18px}
    .hero-copy h1{
      max-width:700px;
      margin-bottom:22px;
    }
    .hero-copy h1 em{
      font-style:normal;
      color:var(--primary-dark);
      position:relative;
    }
    .hero-copy h1 em:after{
      content:"";
      position:absolute;
      left:4px;
      right:4px;
      bottom:5px;
      height:10px;
      background:rgba(245,184,75,.35);
      z-index:-1;
      border-radius:999px;
    }
    .hero-copy .lead{
      max-width:640px;
      font-size:18px;
      color:#424A58;
      margin-bottom:26px;
    }
    .hero-actions{
      display:flex;
      gap:13px;
      flex-wrap:wrap;
      margin-bottom:28px;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:650px;
    }
    .metric-mini{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(20,23,31,.08);
      border-radius:18px;
      padding:15px 16px;
      box-shadow:0 10px 24px rgba(20,23,31,.04);
    }
    .metric-mini strong{
      display:block;
      font-size:23px;
      line-height:1;
      color:var(--primary-dark);
      margin-bottom:7px;
      font-weight:900;
    }
    .metric-mini span{
      font-size:13px;
      color:var(--muted);
      font-weight:700;
    }
    .hero-media{
      position:relative;
      min-height:520px;
      padding:18px;
    }
    .hero-card{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.7);
      box-shadow:0 28px 60px rgba(20,23,31,.14);
      background:#fff;
      height:455px;
    }
    .hero-card img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .hero-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(20,23,31,.08),rgba(20,23,31,.68));
    }
    .panel-float{
      position:absolute;
      z-index:2;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.75);
      box-shadow:0 18px 40px rgba(20,23,31,.14);
      border-radius:20px;
      padding:16px;
      backdrop-filter:blur(12px);
    }
    .panel-float.top{
      top:48px;
      right:0;
      width:210px;
    }
    .panel-float.bottom{
      left:0;
      bottom:42px;
      width:250px;
    }
    .panel-float .label{
      font-size:12px;
      font-weight:900;
      color:var(--weak);
      margin-bottom:6px;
    }
    .panel-float strong{
      display:block;
      color:var(--text);
      font-size:18px;
      line-height:1.25;
      margin-bottom:8px;
    }
    .panel-float p{
      font-size:13px;
      line-height:1.55;
      margin:0;
    }
    .score-line{
      height:8px;
      background:#EEF1EC;
      border-radius:999px;
      overflow:hidden;
      margin-top:11px;
    }
    .score-line i{
      display:block;
      width:72%;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .section-light{
      background:#fff;
    }
    .section-soft{
      background:linear-gradient(180deg,#FAFBF7,#EEF7F1);
    }
    .feature-layout{
      display:grid;
      grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
      gap:22px;
      align-items:stretch;
    }
    .card{
      background:var(--card);
      border:1px solid rgba(20,23,31,.08);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow);
      transition:var(--ease);
      overflow:hidden;
      height:100%;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(24,182,106,.2);
    }
    .feature-big{
      padding:30px;
      min-height:390px;
      background:
        linear-gradient(135deg,rgba(24,182,106,.12),rgba(124,77,255,.08)),
        #fff;
      position:relative;
    }
    .feature-big:after{
      content:"";
      position:absolute;
      right:-40px;
      bottom:-40px;
      width:190px;
      height:190px;
      border:18px solid rgba(24,182,106,.08);
      border-radius:50%;
    }
    .icon-chip{
      width:48px;
      height:48px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--primary);
      color:#fff;
      font-size:22px;
      box-shadow:0 12px 24px rgba(24,182,106,.22);
      margin-bottom:18px;
    }
    .feature-big h3{max-width:520px;margin-bottom:15px}
    .feature-big p{max-width:610px;font-size:16px}
    .feature-points{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .feature-point{
      padding:16px;
      border-radius:16px;
      background:rgba(255,255,255,.75);
      border:1px solid rgba(20,23,31,.07);
    }
    .feature-point strong{
      display:block;
      margin-bottom:5px;
      font-size:15px;
    }
    .feature-point span{
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }
    .feature-small-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .feature-small{
      padding:24px;
    }
    .feature-small .icon-chip{
      width:42px;
      height:42px;
      font-size:18px;
      margin-bottom:16px;
    }
    .feature-small.purple .icon-chip{background:var(--secondary);box-shadow:0 12px 24px rgba(124,77,255,.2)}
    .feature-small.cyan .icon-chip{background:var(--accent);box-shadow:0 12px 24px rgba(22,199,217,.18)}
    .feature-small.yellow .icon-chip{background:var(--warning);box-shadow:0 12px 24px rgba(245,184,75,.2)}
    .feature-small h3{font-size:20px;margin-bottom:10px}
    .feature-small p{font-size:14px;line-height:1.65}
    .feature-small .badge{margin-top:8px}
    .category-entry{
      padding:34px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg,rgba(17,19,26,.9),rgba(26,29,39,.82)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .category-entry:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      opacity:.35;
    }
    .category-entry>*{position:relative;z-index:1}
    .category-entry h2,.category-entry h3{color:#fff}
    .category-entry p{color:rgba(255,255,255,.76)}
    .topic-grid{
      margin-top:28px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .topic-mini{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(8px);
    }
    .topic-mini strong{display:block;color:#fff;margin-bottom:6px}
    .topic-mini span{display:block;color:rgba(255,255,255,.72);font-size:13px;line-height:1.55}
    .masonry-grid{
      align-items:stretch;
    }
    .story-card{
      position:relative;
      overflow:hidden;
    }
    .story-card .cover{
      height:248px;
      overflow:hidden;
      border-radius:20px 20px 0 0;
      background:#EDEFE8;
    }
    .story-card.large .cover{height:364px}
    .story-card .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .38s ease;
    }
    .story-card:hover .cover img{transform:scale(1.04)}
    .story-content{
      padding:22px;
    }
    .story-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:12px;
    }
    .story-meta .time{
      font-size:12px;
      color:var(--weak);
      font-weight:700;
    }
    .story-content h3{margin-bottom:10px}
    .story-content p{
      font-size:14px;
      line-height:1.68;
      margin-bottom:14px;
    }
    .story-card.large .story-content{
      padding:26px 28px 28px;
    }
    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .plan-card{
      padding:28px;
      position:relative;
    }
    .plan-card.recommend{
      border:2px solid rgba(24,182,106,.5);
      box-shadow:0 20px 48px rgba(24,182,106,.12);
    }
    .corner-tag{
      position:absolute;
      top:18px;
      right:18px;
      padding:6px 10px;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      font-size:12px;
      font-weight:900;
    }
    .plan-card h3{margin-bottom:8px}
    .plan-for{
      color:var(--muted);
      font-size:14px;
      margin-bottom:20px;
    }
    .plan-list{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin:22px 0 24px;
    }
    .plan-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      color:#343A46;
      font-size:14px;
      line-height:1.55;
    }
    .plan-list li:before{
      content:"✓";
      flex:0 0 auto;
      width:20px;
      height:20px;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:900;
      margin-top:2px;
    }
    .process-strip{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(20,23,31,.08);
      box-shadow:var(--shadow);
    }
    .process-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .process-item{
      position:relative;
      padding:20px;
      border-radius:18px;
      background:#FAFBF7;
      border:1px solid rgba(20,23,31,.06);
    }
    .process-num{
      width:34px;
      height:34px;
      border-radius:12px;
      background:var(--secondary-soft);
      color:var(--secondary);
      display:flex;
      align-items:center;
      justify-content:center;
      font-weight:900;
      margin-bottom:13px;
    }
    .process-item strong{display:block;margin-bottom:6px}
    .process-item p{font-size:13px;line-height:1.58;margin:0}
    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(20,23,31,.08);
      border-radius:18px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 24px rgba(20,23,31,.04);
      transition:var(--ease);
    }
    .accordion-item:hover{border-color:rgba(24,182,106,.22)}
    .accordion-title{
      border:0!important;
      padding:20px 56px 20px 22px;
      font-size:16px;
      font-weight:900;
      color:var(--text);
      line-height:1.45;
      background:#fff;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .accordion-title:before{
      right:22px;
      margin-top:-9px;
      font-size:24px;
      color:var(--primary);
    }
    .accordion-content{
      border:0!important;
      padding:0 22px 22px;
      background:#fff;
      color:var(--muted);
      line-height:1.75;
    }
    .is-active>.accordion-title{
      background:linear-gradient(90deg,var(--primary-soft),#fff);
      color:var(--primary-dark);
    }
    .cta-section{
      padding:88px 0;
      background:
        radial-gradient(circle at 18% 24%,rgba(24,182,106,.24),transparent 28%),
        radial-gradient(circle at 82% 30%,rgba(124,77,255,.18),transparent 30%),
        var(--dark);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .cta-section:before{
      content:"";
      position:absolute;
      inset:0;
      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:42px 42px;
      opacity:.65;
    }
    .cta-section .grid-container{position:relative;z-index:1}
    .cta-copy h2{color:#fff;margin-bottom:16px}
    .cta-copy p{color:rgba(255,255,255,.74);font-size:17px;max-width:590px}
    .contact-list{
      margin-top:24px;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      max-width:560px;
    }
    .contact-pill{
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.07);
      border-radius:16px;
      padding:14px 16px;
      color:rgba(255,255,255,.82);
      font-size:14px;
      font-weight:700;
    }
    .contact-form{
      background:#fff;
      border-radius:24px;
      padding:26px;
      box-shadow:0 28px 60px rgba(0,0,0,.22);
    }
    .contact-form label{
      color:var(--text);
      font-size:13px;
      font-weight:900;
      margin-bottom:7px;
    }
    .contact-form input,.contact-form textarea,.contact-form select{
      height:50px;
      border-radius:14px;
      border:1px solid var(--line);
      box-shadow:none;
      background:#FAFBF7;
      font-size:14px;
      margin-bottom:14px;
      color:var(--text);
    }
    .contact-form textarea{
      height:116px;
      resize:vertical;
      padding-top:12px;
    }
    .contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(24,182,106,.1);
      background:#fff;
    }
    .form-note{
      color:var(--weak);
      font-size:12px;
      line-height:1.55;
      margin-top:10px;
      margin-bottom:0;
    }
    .site-footer{
      background:var(--dark);
      color:rgba(255,255,255,.76);
      padding:58px 0 26px;
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:3px;
      background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-brand strong{color:#fff;font-size:17px;font-weight:900}
    .footer-desc{
      color:rgba(255,255,255,.62);
      max-width:360px;
      font-size:14px;
      line-height:1.7;
    }
    .footer-title{
      color:#fff;
      font-size:14px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .footer-links a,.footer-links span{
      color:rgba(255,255,255,.64);
      font-size:14px;
    }
    .footer-links a:hover{color:var(--primary)}
    .footer-bottom{
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      color:rgba(255,255,255,.5);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1024px){
      .nav-shell{gap:14px}
      .search-box{width:210px}
      .hero-media{min-height:440px}
      .hero-card{height:400px}
      .feature-layout{grid-template-columns:1fr}
      .compare-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
      .contact-list{grid-template-columns:1fr}
    }
    @media (max-width:860px){
      .menu-toggle{display:inline-flex}
      .nav-center{
        position:absolute;
        left:22px;
        right:22px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border-radius:20px;
        background:#fff;
        border:1px solid rgba(20,23,31,.08);
        box-shadow:var(--shadow-hover);
      }
      .nav-center.open{display:flex}
      .nav-link{justify-content:flex-start}
      .search-box{display:none}
      .nav-actions .btn{display:none}
      .hero{padding:54px 0 64px}
      .hero-copy{padding-top:0}
      .metric-row{grid-template-columns:1fr}
      .panel-float.top{right:18px}
      .panel-float.bottom{left:18px}
      .section{padding:64px 0}
      .topic-grid,.feature-points{grid-template-columns:1fr}
    }
    @media (max-width:640px){
      .grid-container{padding-left:18px;padding-right:18px}
      .brand-text strong{font-size:15px}
      .brand-text span{display:none}
      .hero-actions{flex-direction:column}
      .hero-actions .btn{width:100%}
      .hero-media{min-height:auto;padding:6px 0 74px}
      .hero-card{height:310px;border-radius:22px}
      .panel-float{
        position:relative;
        left:auto!important;
        right:auto!important;
        top:auto!important;
        bottom:auto!important;
        width:auto!important;
        margin:-42px 16px 0;
      }
      .panel-float.top{display:none}
      .feature-small-grid,.compare-grid,.process-grid{grid-template-columns:1fr}
      .feature-big,.category-entry,.contact-form{padding:22px}
      .story-card.large .cover,.story-card .cover{height:220px}
      .contact-list{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }

/* roulang page: category1 */
:root{
      --primary:#18B66A;
      --primary-dark:#11975A;
      --secondary:#7C4DFF;
      --accent:#16C7D9;
      --warning:#F5B84B;
      --ink:#14171F;
      --muted:#5F6675;
      --soft:#8A91A0;
      --border:#E7EAF0;
      --bg:#FAFBF7;
      --bg-green:#EEF7F1;
      --bg-purple:#F3F0FF;
      --card:#FFFFFF;
      --dark:#11131A;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --shadow:0 14px 35px rgba(20,23,31,.06);
      --shadow-hover:0 20px 45px rgba(20,23,31,.10);
      --container:1220px;
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--ink);
      background:
        linear-gradient(90deg,rgba(24,182,106,.035) 1px,transparent 1px),
        linear-gradient(180deg,rgba(124,77,255,.035) 1px,transparent 1px),
        var(--bg);
      background-size:34px 34px;
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--primary)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(24,182,106,.28);
      outline-offset:3px;
    }
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    .grid-container{
      max-width:var(--container);
      padding-left:22px;
      padding-right:22px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(255,255,255,.92);
      backdrop-filter:saturate(1.2) blur(12px);
      border-bottom:1px solid rgba(20,23,31,.08);
      box-shadow:0 8px 24px rgba(20,23,31,.04);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:24px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      min-width:max-content;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--ink);
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px;
      display:inline-flex;
      position:relative;
      background:
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 26px rgba(24,182,106,.22);
      flex:0 0 38px;
    }
    .brand-mark:before{
      content:"";
      position:absolute;
      inset:9px;
      border:2px solid rgba(255,255,255,.78);
      border-left-color:transparent;
      border-radius:8px;
      transform:skew(-8deg);
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:15px;
      height:3px;
      border-radius:999px;
      background:#fff;
      left:12px;
      top:18px;
      transform:rotate(-30deg);
      box-shadow:7px 7px 0 rgba(255,255,255,.82);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
    }
    .brand-text strong{font-size:17px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:700;margin-top:3px}
    .nav-center{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      flex:1;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:10px 14px;
      border-radius:var(--radius-pill);
      color:#313642;
      font-size:15px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--primary-dark);
      background:rgba(24,182,106,.08);
    }
    .nav-link.active{
      color:var(--primary-dark);
      background:rgba(24,182,106,.12);
      box-shadow:inset 0 0 0 1px rgba(24,182,106,.15);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:318px;
      justify-content:flex-end;
    }
    .search-box{
      width:228px;
      height:42px;
      border-radius:var(--radius-pill);
      background:#F4F6F2;
      border:1px solid rgba(20,23,31,.08);
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      color:var(--muted);
    }
    .search-box svg{width:16px;height:16px;opacity:.72}
    .search-box input{
      width:100%;
      border:0;
      background:transparent;
      box-shadow:none;
      height:40px;
      margin:0;
      padding:0;
      font-size:13px;
      color:var(--ink);
    }
    .search-box input:focus{border:0;box-shadow:none;background:transparent}
    .search-box input::placeholder{color:#878E99}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border-radius:var(--radius-pill);
      padding:12px 20px;
      min-height:46px;
      font-weight:800;
      line-height:1;
      border:1px solid transparent;
      cursor:pointer;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--primary);
      color:#fff;
      box-shadow:0 12px 24px rgba(24,182,106,.24);
    }
    .btn-primary:hover{
      color:#fff;
      background:var(--primary-dark);
      transform:translateY(-2px);
      box-shadow:0 16px 30px rgba(24,182,106,.30);
    }
    .btn-secondary{
      background:#fff;
      color:var(--ink);
      border-color:rgba(20,23,31,.10);
      box-shadow:0 8px 20px rgba(20,23,31,.04);
    }
    .btn-secondary:hover{
      color:var(--primary-dark);
      background:#F2FAF5;
      border-color:rgba(24,182,106,.24);
      transform:translateY(-2px);
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(20,23,31,.10);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      cursor:pointer;
    }
    .menu-toggle span{
      width:20px;
      height:2px;
      border-radius:99px;
      background:var(--ink);
      transition:var(--ease);
    }

    .hero-category{
      position:relative;
      overflow:hidden;
      padding:78px 0 58px;
      background:
        radial-gradient(circle at 12% 15%,rgba(24,182,106,.16),transparent 34%),
        radial-gradient(circle at 86% 8%,rgba(124,77,255,.14),transparent 32%),
        linear-gradient(135deg,#FFFFFF 0%,#F2F8F1 52%,#F6F2FF 100%);
      border-bottom:1px solid rgba(20,23,31,.06);
    }
    .hero-category:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(115deg,transparent 0 48%,rgba(24,182,106,.08) 48% 49%,transparent 49% 100%),
        linear-gradient(25deg,transparent 0 62%,rgba(124,77,255,.07) 62% 63%,transparent 63% 100%);
      opacity:.72;
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:1}
    .crumb{
      display:flex;
      align-items:center;
      gap:8px;
      font-size:13px;
      color:var(--muted);
      margin-bottom:18px;
      font-weight:700;
    }
    .crumb a{color:var(--muted)}
    .crumb a:hover{color:var(--primary)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:var(--radius-pill);
      padding:7px 11px;
      font-size:12px;
      font-weight:800;
      line-height:1;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .badge-green{background:rgba(24,182,106,.10);color:var(--primary-dark);border-color:rgba(24,182,106,.16)}
    .badge-purple{background:rgba(124,77,255,.10);color:#5D37E6;border-color:rgba(124,77,255,.15)}
    .badge-cyan{background:rgba(22,199,217,.12);color:#0D8796;border-color:rgba(22,199,217,.16)}
    .badge-yellow{background:rgba(245,184,75,.18);color:#A2680E;border-color:rgba(245,184,75,.22)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 7px rgba(24,182,106,.12);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1{
      max-width:720px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.1;
      font-weight:850;
      letter-spacing:-.055em;
      margin-bottom:20px;
      color:var(--ink);
    }
    h1 .highlight{
      color:var(--primary-dark);
      position:relative;
    }
    .hero-lead{
      max-width:680px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-bottom:24px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .index-panel{
      position:relative;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(20,23,31,.08);
      box-shadow:var(--shadow);
      border-radius:var(--radius-xl);
      padding:16px;
      overflow:hidden;
    }
    .index-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(24,182,106,.08),transparent 44%,rgba(124,77,255,.08));
      pointer-events:none;
    }
    .index-panel img{
      height:210px;
      width:100%;
      object-fit:cover;
      border-radius:22px;
      position:relative;
      z-index:1;
    }
    .index-card{
      position:relative;
      z-index:2;
      margin-top:-42px;
      margin-left:16px;
      margin-right:16px;
      padding:18px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(20,23,31,.08);
      box-shadow:0 18px 34px rgba(20,23,31,.10);
    }
    .index-card h3{
      font-size:21px;
      line-height:1.35;
      margin-bottom:8px;
      font-weight:850;
    }
    .index-card p{
      font-size:14px;
      color:var(--muted);
      margin-bottom:14px;
    }
    .index-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .index-list li{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding:10px 12px;
      border-radius:14px;
      background:#F7FAF6;
      font-size:14px;
      color:#353B46;
      font-weight:700;
    }
    .index-list strong{color:var(--primary-dark)}

    .section{
      padding:78px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:30px;
    }
    .section-title{
      max-width:760px;
    }
    .section-title h2{
      font-size:clamp(28px,3.6vw,40px);
      line-height:1.18;
      letter-spacing:-.035em;
      font-weight:850;
      margin-bottom:10px;
    }
    .section-title p{
      color:var(--muted);
      font-size:16px;
      max-width:760px;
      margin-bottom:0;
    }
    .pill-filter{
      position:relative;
      margin-top:-24px;
      z-index:3;
    }
    .filter-wrap{
      background:#fff;
      border:1px solid rgba(20,23,31,.08);
      box-shadow:var(--shadow);
      border-radius:22px;
      padding:13px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .filter-pills{
      display:flex;
      gap:9px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:1px;
    }
    .filter-pills::-webkit-scrollbar{display:none}
    .filter-pill{
      display:inline-flex;
      min-width:max-content;
      align-items:center;
      justify-content:center;
      padding:9px 13px;
      border-radius:var(--radius-pill);
      font-size:13px;
      font-weight:800;
      color:#3E4652;
      background:#F6F7F3;
      border:1px solid transparent;
    }
    .filter-pill:hover{
      color:var(--primary-dark);
      background:#EEF8F2;
      border-color:rgba(24,182,106,.20);
    }
    .filter-pill.active{
      color:#fff;
      background:var(--primary);
      box-shadow:0 10px 20px rgba(24,182,106,.22);
    }
    .channel-note{
      min-width:260px;
      max-width:360px;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
      padding-left:16px;
      border-left:1px solid var(--border);
    }

    .card{
      background:var(--card);
      border:1px solid rgba(20,23,31,.08);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:var(--ease);
      height:100%;
    }
    .card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(24,182,106,.20);
    }
    .article-main{
      display:flex;
      flex-direction:column;
    }
    .article-main .cover{
      height:326px;
      position:relative;
      overflow:hidden;
      background:#DDEADF;
    }
    .article-main .cover img,
    .article-card .cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .card:hover .cover img{transform:scale(1.035)}
    .cover:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 46%,rgba(17,19,26,.46));
      pointer-events:none;
    }
    .article-body{
      padding:24px;
    }
    .meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:14px;
      color:var(--soft);
      font-size:13px;
      font-weight:700;
    }
    .article-main h2{
      font-size:28px;
      line-height:1.28;
      letter-spacing:-.025em;
      margin-bottom:12px;
      font-weight:850;
    }
    .article-card h3,
    .compact-card h3,
    .text-card h3{
      font-size:20px;
      line-height:1.38;
      font-weight:850;
      margin-bottom:9px;
    }
    .article-body p,
    .compact-card p,
    .text-card p{
      color:var(--muted);
      font-size:15px;
      margin-bottom:16px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--primary-dark);
      font-weight:850;
      font-size:14px;
    }
    .read-link span{transition:transform .2s ease}
    .read-link:hover span{transform:translateX(4px)}
    .compact-stack{
      display:grid;
      gap:16px;
    }
    .compact-card{
      padding:18px;
      min-height:0;
      position:relative;
    }
    .compact-card:before{
      content:"";
      position:absolute;
      left:0;
      top:18px;
      bottom:18px;
      width:4px;
      background:linear-gradient(180deg,var(--primary),var(--secondary));
      border-radius:0 999px 999px 0;
      opacity:.9;
    }
    .compact-card .inner{padding-left:10px}
    .article-card .cover{
      height:185px;
      overflow:hidden;
      background:#E8EFE8;
    }
    .article-card.tall .cover{height:245px}
    .article-card .article-body{padding:20px}
    .article-card p{font-size:14.5px;color:var(--muted)}
    .text-card{
      padding:22px;
      background:
        radial-gradient(circle at 92% 8%,rgba(22,199,217,.12),transparent 32%),
        #fff;
      position:relative;
    }
    .text-card.quote:before{
      content:"”";
      position:absolute;
      right:22px;
      top:8px;
      font-size:82px;
      line-height:1;
      color:rgba(24,182,106,.10);
      font-weight:900;
    }
    .data-strip{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      margin-top:18px;
    }
    .data-mini{
      border-radius:16px;
      border:1px solid rgba(20,23,31,.08);
      background:#F8FBF6;
      padding:14px;
    }
    .data-mini strong{
      display:block;
      color:var(--primary-dark);
      font-size:22px;
      line-height:1.1;
      margin-bottom:4px;
    }
    .data-mini span{
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }

    .sidebar{
      position:sticky;
      top:100px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:#fff;
      border:1px solid rgba(20,23,31,.08);
      border-radius:20px;
      padding:20px;
      box-shadow:var(--shadow);
    }
    .side-card h3{
      font-size:18px;
      font-weight:850;
      margin-bottom:14px;
    }
    .topic-list,
    .rank-list,
    .cap-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .topic-list li a,
    .rank-list li a{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px;
      border-radius:14px;
      background:#F8FAF6;
      color:#303743;
      font-weight:750;
      font-size:14px;
    }
    .topic-list li a:hover,
    .rank-list li a:hover{
      background:#EEF8F2;
      color:var(--primary-dark);
      transform:translateX(2px);
    }
    .rank-num{
      width:24px;
      height:24px;
      border-radius:8px;
      flex:0 0 24px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:rgba(24,182,106,.12);
      color:var(--primary-dark);
      font-size:12px;
      font-weight:900;
    }
    .cap-list li{
      display:flex;
      gap:10px;
      align-items:center;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
    }
    .cap-list li:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(24,182,106,.10);
      flex:0 0 8px;
    }
    .side-cta{
      background:
        linear-gradient(135deg,rgba(17,19,26,.98),rgba(26,33,32,.96)),
        var(--dark);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .side-cta:before{
      content:"";
      position:absolute;
      width:170px;
      height:170px;
      border-radius:50%;
      right:-70px;
      top:-70px;
      background:rgba(24,182,106,.22);
    }
    .side-cta h3,.side-cta p,.side-cta a{position:relative;z-index:1}
    .side-cta p{color:rgba(255,255,255,.72);font-size:14px;margin-bottom:16px}

    .faq-wrap{
      display:grid;
      gap:14px;
    }
    .faq-item{
      background:#fff;
      border:1px solid rgba(20,23,31,.08);
      border-radius:20px;
      box-shadow:0 10px 26px rgba(20,23,31,.04);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-question{
      width:100%;
      border:0;
      background:transparent;
      padding:20px 22px;
      color:var(--ink);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      cursor:pointer;
      font-weight:850;
      text-align:left;
      font-size:17px;
    }
    .faq-icon{
      width:28px;
      height:28px;
      border-radius:50%;
      background:rgba(24,182,106,.10);
      color:var(--primary-dark);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 28px;
      transition:var(--ease);
      font-weight:900;
    }
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      line-height:1.8;
    }
    .faq-item.active{
      background:linear-gradient(90deg,rgba(24,182,106,.06),#fff 34%);
      border-color:rgba(24,182,106,.22);
    }
    .faq-item.active .faq-answer{display:block}
    .faq-item.active .faq-icon{
      transform:rotate(45deg);
      background:var(--primary);
      color:#fff;
    }

    .bottom-cta{
      background:
        radial-gradient(circle at 12% 25%,rgba(24,182,106,.26),transparent 34%),
        radial-gradient(circle at 82% 16%,rgba(124,77,255,.24),transparent 30%),
        linear-gradient(135deg,#11131A,#16201B);
      color:#fff;
      border-radius:30px;
      padding:34px;
      overflow:hidden;
      position:relative;
      box-shadow:0 22px 55px rgba(17,19,26,.18);
    }
    .bottom-cta:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(120deg,transparent 0 58%,rgba(255,255,255,.08) 58% 59%,transparent 59% 100%);
      pointer-events:none;
    }
    .bottom-cta h2{
      color:#fff;
      font-size:clamp(26px,3vw,36px);
      line-height:1.22;
      font-weight:850;
      margin-bottom:10px;
    }
    .bottom-cta p{
      color:rgba(255,255,255,.74);
      margin-bottom:0;
      max-width:720px;
    }
    .cta-actions{
      display:flex;
      justify-content:flex-end;
      align-items:center;
      gap:12px;
      height:100%;
      position:relative;
      z-index:1;
    }
    .btn-light{
      background:#fff;
      color:var(--ink);
      box-shadow:0 14px 28px rgba(0,0,0,.18);
    }
    .btn-light:hover{
      color:var(--primary-dark);
      transform:translateY(-2px);
      background:#F4FFF7;
    }

    .site-footer{
      background:#11131A;
      color:rgba(255,255,255,.78);
      padding:58px 0 26px;
      position:relative;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:0;
      left:0;
      right:0;
      height:3px;
      background:linear-gradient(90deg,var(--primary),var(--accent),var(--secondary));
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:11px;
      color:#fff;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-desc{
      color:rgba(255,255,255,.66);
      max-width:520px;
      font-size:14.5px;
      line-height:1.85;
      margin-bottom:0;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
      color:rgba(255,255,255,.62);
      font-size:14px;
    }
    .footer-links a{color:rgba(255,255,255,.62)}
    .footer-links a:hover{color:#59D892}
    .footer-bottom{
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.10);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:rgba(255,255,255,.50);
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .header-inner{gap:14px}
      .header-actions{min-width:auto}
      .search-box{display:none}
      .nav-link{padding:9px 11px}
      .article-main .cover{height:280px}
      .sidebar{position:static;margin-top:22px}
      .channel-note{display:none}
    }
    @media (max-width:767px){
      .grid-container{padding-left:18px;padding-right:18px}
      .site-header{position:sticky}
      .header-inner{min-height:68px;position:relative}
      .brand-text strong{font-size:15px}
      .brand-text span{display:none}
      .menu-toggle{display:flex}
      .nav-center{
        position:absolute;
        top:68px;
        left:18px;
        right:18px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid rgba(20,23,31,.09);
        box-shadow:var(--shadow-hover);
        border-radius:20px;
        padding:12px;
      }
      .nav-center.open{display:flex}
      .nav-link{justify-content:flex-start;padding:13px 14px}
      .header-actions .btn{display:none}
      .hero-category{padding:48px 0 48px}
      h1{letter-spacing:-.04em}
      .hero-lead{font-size:16px}
      .index-panel{margin-top:18px}
      .index-panel img{height:190px}
      .section{padding:56px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .filter-wrap{align-items:stretch}
      .article-main .cover{height:220px}
      .article-main h2{font-size:23px}
      .article-body{padding:20px}
      .data-strip{grid-template-columns:1fr}
      .bottom-cta{padding:26px;border-radius:24px}
      .cta-actions{justify-content:flex-start;margin-top:20px;flex-wrap:wrap}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .brand-mark{width:34px;height:34px;flex-basis:34px}
      .brand-text strong{max-width:158px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero-actions .btn{width:100%}
      .filter-wrap{padding:10px}
      .article-card .cover,.article-card.tall .cover{height:190px}
      .compact-card h3,.article-card h3,.text-card h3{font-size:18px}
      .faq-question{font-size:16px;padding:18px}
      .faq-answer{padding:0 18px 18px}
    }