/* roulang page: index */
:root{
      --primary:#10C7A3;
      --primary-dark:#079a80;
      --secondary:#7C3AED;
      --accent:#FFB020;
      --ink:#111827;
      --ink-2:#28313f;
      --muted:#667085;
      --soft:#F6F8FB;
      --soft-2:#F4F7F6;
      --card:#FFFFFF;
      --line:#E5E7EB;
      --line-green:rgba(16,199,163,.18);
      --shadow:0 12px 32px rgba(17,24,39,.08);
      --shadow-hover:0 18px 48px rgba(16,199,163,.16);
      --radius-sm:12px;
      --radius:20px;
      --radius-lg:28px;
      --container:1200px;
      --nav-height:78px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(16,199,163,.10), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(124,58,237,.08), transparent 28%),
        linear-gradient(180deg,#FBFDFC 0%,var(--soft) 46%,#FAFAF7 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.45;
      background-image:
        linear-gradient(rgba(16,199,163,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16,199,163,.055) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000 0%, transparent 82%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:.22s ease}
    a:hover{color:var(--primary-dark)}
    img{max-width:100%;height:auto;display:block}
    button,input,select,textarea{font-family:inherit}
    ::selection{background:rgba(16,199,163,.22)}
    .site-container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .section{padding:92px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border:1px solid var(--line-green);
      border-radius:999px;
      color:var(--primary-dark);
      background:rgba(16,199,163,.08);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow .dot{
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(16,199,163,.12);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:32px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:36px;
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.04em;
      color:var(--ink);
    }
    .section-head p{
      max-width:560px;
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .btn-brand,.btn-ghost,.btn-darkline{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      transition:.22s ease;
      white-space:nowrap;
      cursor:pointer;
    }
    .btn-brand{
      background:linear-gradient(135deg,var(--primary),#14D6B0 58%,var(--secondary));
      color:#fff;
      box-shadow:0 12px 26px rgba(16,199,163,.22);
    }
    .btn-brand:hover,.btn-brand:focus{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(16,199,163,.30);
    }
    .btn-ghost{
      background:#fff;
      color:var(--ink);
      border-color:rgba(16,199,163,.28);
      box-shadow:0 8px 22px rgba(17,24,39,.05);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      background:rgba(16,199,163,.08);
      color:var(--primary-dark);
      transform:translateY(-2px);
      border-color:rgba(16,199,163,.46);
    }
    .btn-darkline{
      background:rgba(255,255,255,.08);
      color:#fff;
      border-color:rgba(255,255,255,.18);
    }
    .btn-darkline:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
    .skip-link{
      position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);
      padding:10px 14px;border-radius:12px;z-index:9999;
    }
    .skip-link:focus{left:10px}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      height:var(--nav-height);
      display:flex;
      align-items:center;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(229,231,235,.82);
    }
    .navbar{padding:0;width:100%}
    .brand-logo{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:900;
      color:var(--ink);
      letter-spacing:-.02em;
      min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        linear-gradient(135deg,rgba(16,199,163,1),rgba(124,58,237,.92));
      display:grid;
      place-items:center;
      box-shadow:0 14px 24px rgba(16,199,163,.20);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border:2px solid rgba(255,255,255,.78);
      transform:rotate(30deg);
    }
    .brand-mark:before{width:18px;height:18px;border-radius:7px}
    .brand-mark:after{width:30px;height:2px;border-left:0;border-right:0}
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:17px}
    .brand-text span{font-size:12px;color:var(--muted);font-weight:700}
    .navbar-toggler{
      border:1px solid rgba(16,199,163,.22);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }
    .navbar-toggler-icon{
      width:22px;height:22px;
      background-image:none;
      position:relative;
    }
    .navbar-toggler-icon:before,.navbar-toggler-icon:after,.navbar-toggler-icon span{
      content:"";
      position:absolute;
      left:1px;right:1px;
      height:2px;
      background:var(--ink);
      border-radius:2px;
    }
    .navbar-toggler-icon:before{top:4px}
    .navbar-toggler-icon span{top:10px}
    .navbar-toggler-icon:after{top:16px}
    .nav-shell{display:flex;align-items:center;gap:22px;width:100%}
    .main-nav{
      margin-left:26px;
      display:flex;
      align-items:center;
      gap:5px;
    }
    .main-nav .nav-link{
      position:relative;
      color:var(--ink-2);
      font-weight:750;
      font-size:15px;
      padding:10px 14px;
      border-radius:999px;
    }
    .main-nav .nav-link:hover{
      color:var(--primary-dark);
      background:rgba(16,199,163,.08);
    }
    .main-nav .nav-link.active{
      color:var(--primary-dark);
      background:rgba(16,199,163,.12);
    }
    .main-nav .nav-link.active:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:3px;
      width:5px;height:5px;
      transform:translateX(-50%);
      border-radius:50%;
      background:var(--primary);
    }
    .nav-actions{
      margin-left:auto;
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-box{
      width:245px;
      min-height:44px;
      display:flex;
      align-items:center;
      gap:8px;
      padding:0 14px;
      border:1px solid rgba(16,199,163,.18);
      border-radius:999px;
      background:#fff;
      color:var(--muted);
      box-shadow:0 8px 22px rgba(17,24,39,.04);
    }
    .search-box svg{flex:0 0 auto;color:var(--primary-dark)}
    .search-box input{
      width:100%;
      border:0;
      outline:0;
      color:var(--ink);
      font-size:14px;
      background:transparent;
    }
    .search-box:focus-within{
      border-color:rgba(16,199,163,.55);
      box-shadow:0 0 0 4px rgba(16,199,163,.10);
    }
    .hero{
      position:relative;
      padding:86px 0 72px;
      overflow:hidden;
    }
    .hero:after{
      content:"";
      position:absolute;
      width:520px;height:520px;
      right:-180px;top:30px;
      background:radial-gradient(circle,rgba(124,58,237,.15),transparent 68%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);
      gap:46px;
      align-items:center;
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:52px;
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.06em;
    }
    .hero h1 .gradient{
      background:linear-gradient(135deg,var(--primary-dark),var(--secondary));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      margin:0 0 28px;
      color:var(--muted);
      font-size:18px;
      max-width:680px;
      line-height:1.85;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
      max-width:650px;
    }
    .stat-pill{
      padding:16px 16px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(16,199,163,.14);
      border-radius:18px;
      box-shadow:0 10px 26px rgba(17,24,39,.05);
    }
    .stat-pill strong{
      display:block;
      font-size:18px;
      font-weight:900;
      color:var(--ink);
      line-height:1.2;
    }
    .stat-pill span{font-size:13px;color:var(--muted)}
    .hero-panel{
      position:relative;
      min-height:548px;
      border-radius:34px;
      padding:20px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,255,255,.58)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(16,199,163,.18);
      box-shadow:0 28px 70px rgba(17,24,39,.12);
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg,rgba(16,199,163,.20),transparent 40%),
        radial-gradient(circle at 82% 22%,rgba(124,58,237,.20),transparent 36%);
      pointer-events:none;
    }
    .app-card{
      position:relative;
      z-index:1;
      background:rgba(255,255,255,.90);
      border:1px solid rgba(255,255,255,.72);
      border-radius:28px;
      padding:22px;
      backdrop-filter:blur(10px);
      box-shadow:var(--shadow);
    }
    .app-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:18px;
    }
    .mini-title{font-weight:900;letter-spacing:-.02em}
    .status{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      background:rgba(255,176,32,.13);
      color:#9A5B00;
      font-size:12px;
      font-weight:800;
    }
    .match-list{display:grid;gap:12px}
    .match-item{
      padding:15px;
      border-radius:18px;
      background:#fff;
      border:1px solid rgba(16,199,163,.12);
      display:grid;
      gap:8px;
      transition:.22s ease;
    }
    .match-item:hover{transform:translateX(4px);border-color:rgba(16,199,163,.34)}
    .match-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .match-item h3{
      margin:0;
      font-size:17px;
      line-height:1.4;
      font-weight:850;
    }
    .progress-line{
      height:8px;
      border-radius:999px;
      background:#EEF2F3;
      overflow:hidden;
    }
    .progress-line i{
      display:block;height:100%;
      width:68%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }
    .floating-card{
      position:absolute;
      z-index:2;
      right:22px;
      bottom:22px;
      width:238px;
      padding:17px;
      border-radius:22px;
      background:#111827;
      color:#fff;
      box-shadow:0 24px 42px rgba(17,24,39,.26);
    }
    .floating-card span{color:rgba(255,255,255,.68);font-size:13px}
    .floating-card strong{display:block;font-size:23px;line-height:1.25;margin:7px 0}
    .radar{
      height:58px;
      margin-top:12px;
      border-radius:16px;
      background:
        linear-gradient(90deg,transparent 0 12%,rgba(16,199,163,.22) 12% 13%,transparent 13% 32%,rgba(124,58,237,.24) 32% 33%,transparent 33%),
        linear-gradient(135deg,rgba(16,199,163,.25),rgba(124,58,237,.20));
      position:relative;
      overflow:hidden;
    }
    .radar:after{
      content:"";
      position:absolute;inset:10px 14px;
      border-bottom:2px solid rgba(255,255,255,.7);
      transform:skewX(-18deg);
    }
    .bento-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr 1fr;
      grid-auto-rows:minmax(206px,auto);
      gap:18px;
    }
    .bento-card,.topic-card,.case-card,.compare-wrap,.contact-card,.faq-wrap{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(16,199,163,.13);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .bento-card{
      padding:28px;
      position:relative;
      overflow:hidden;
      transition:.24s ease;
    }
    .bento-card:hover,.topic-item:hover,.case-card:hover{
      transform:translateY(-4px);
      border-color:rgba(16,199,163,.38);
      box-shadow:var(--shadow-hover);
    }
    .bento-card.large{grid-column:span 2}
    .bento-card.tall{grid-row:span 2}
    .bento-card:after{
      content:"";
      position:absolute;
      right:-48px;bottom:-58px;
      width:180px;height:180px;border-radius:52px;
      background:linear-gradient(135deg,rgba(16,199,163,.12),rgba(124,58,237,.12));
      transform:rotate(18deg);
    }
    .icon-token{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      margin-bottom:18px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 24px rgba(16,199,163,.20);
    }
    .bento-card h3,.topic-item h3,.case-card h3{
      position:relative;
      margin:0 0 10px;
      font-size:21px;
      font-weight:880;
      line-height:1.35;
      letter-spacing:-.03em;
    }
    .bento-card p,.topic-item p,.case-card p{
      position:relative;
      margin:0;
      color:var(--muted);
      line-height:1.78;
    }
    .mini-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:6px;
      margin-top:18px;
      color:var(--primary-dark);
      font-weight:850;
      font-size:14px;
    }
    .channel-layout{
      display:grid;
      grid-template-columns:280px minmax(0,1fr);
      gap:22px;
      align-items:start;
    }
    .channel-tabs{
      padding:18px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(16,199,163,.14);
      box-shadow:var(--shadow);
      display:grid;
      gap:10px;
    }
    .channel-tab{
      display:flex;
      justify-content:space-between;
      align-items:center;
      padding:14px 15px;
      border-radius:16px;
      color:var(--ink-2);
      font-weight:800;
      background:#F9FBFA;
      border:1px solid transparent;
    }
    .channel-tab.active,.channel-tab:hover{
      color:var(--primary-dark);
      background:rgba(16,199,163,.10);
      border-color:rgba(16,199,163,.20);
    }
    .channel-tab small{color:var(--muted);font-weight:750}
    .topic-list{display:grid;gap:14px}
    .topic-item{
      display:grid;
      grid-template-columns:140px minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      padding:16px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(16,199,163,.12);
      box-shadow:0 10px 26px rgba(17,24,39,.04);
      transition:.24s ease;
    }
    .topic-thumb{
      height:104px;
      border-radius:18px;
      overflow:hidden;
      background:linear-gradient(135deg,rgba(16,199,163,.15),rgba(124,58,237,.12));
    }
    .topic-thumb img{width:100%;height:100%;object-fit:cover}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:5px 10px;
      font-size:12px;
      font-weight:850;
      line-height:1;
      background:rgba(16,199,163,.10);
      color:var(--primary-dark);
    }
    .tag.purple{background:rgba(124,58,237,.10);color:#5B21B6}
    .tag.orange{background:rgba(255,176,32,.14);color:#9A5B00}
    .topic-item h3{font-size:20px;margin-bottom:6px}
    .topic-item p{
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      font-size:15px;
    }
    .topic-meta{
      color:var(--muted);
      font-size:13px;
      margin-top:9px;
      font-weight:700;
    }
    .arrow-btn{
      width:42px;height:42px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(16,199,163,.10);
      color:var(--primary-dark);
      font-weight:900;
    }
    .case-columns{
      columns:3 280px;
      column-gap:18px;
    }
    .case-card{
      break-inside:avoid;
      display:inline-block;
      width:100%;
      margin:0 0 18px;
      padding:18px;
      transition:.24s ease;
      overflow:hidden;
    }
    .case-image{
      border-radius:20px;
      overflow:hidden;
      margin-bottom:16px;
      background:linear-gradient(135deg,rgba(16,199,163,.14),rgba(124,58,237,.12));
    }
    .case-image img{width:100%;height:100%;object-fit:cover}
    .case-image.ratio-16{height:180px}
    .case-image.ratio-4{height:230px}
    .case-image.ratio-1{height:160px}
    .case-card h3{font-size:19px}
    .case-card p{font-size:15px}
    .compare-wrap{
      overflow:hidden;
      padding:8px;
      background:linear-gradient(180deg,#fff,rgba(255,255,255,.78));
    }
    .compare-grid{
      display:grid;
      grid-template-columns:1.05fr repeat(4,1fr);
      gap:8px;
    }
    .compare-cell{
      min-height:74px;
      padding:18px 16px;
      display:flex;
      flex-direction:column;
      justify-content:center;
      border-radius:18px;
      background:#F8FAF9;
      border:1px solid rgba(229,231,235,.72);
      color:var(--muted);
      font-size:14px;
    }
    .compare-cell.head{
      background:#111827;
      color:#fff;
      font-weight:850;
    }
    .compare-cell.title{
      color:var(--ink);
      font-weight:900;
      background:rgba(16,199,163,.08);
    }
    .compare-cell.recommend{
      border-color:rgba(16,199,163,.38);
      background:linear-gradient(180deg,rgba(16,199,163,.13),#fff);
      color:var(--ink);
      position:relative;
    }
    .compare-cell.recommend:before{
      content:"推荐阅读路径";
      display:inline-flex;
      width:max-content;
      margin-bottom:7px;
      padding:4px 8px;
      border-radius:999px;
      background:var(--primary);
      color:#fff;
      font-size:11px;
      font-weight:850;
    }
    .process-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:28px;
    }
    .process-step{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(16,199,163,.13);
      box-shadow:0 10px 26px rgba(17,24,39,.04);
    }
    .process-step b{
      display:inline-grid;
      place-items:center;
      width:34px;height:34px;
      border-radius:12px;
      background:rgba(16,199,163,.12);
      color:var(--primary-dark);
      margin-bottom:12px;
    }
    .process-step h3{margin:0 0 7px;font-size:18px;font-weight:850}
    .process-step p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .faq-wrap{padding:10px}
    .accordion-item{
      border:0;
      background:transparent;
      margin:10px;
    }
    .accordion-button{
      border-radius:18px!important;
      background:#fff;
      color:var(--ink);
      box-shadow:none!important;
      border:1px solid rgba(16,199,163,.13);
      font-weight:850;
      padding:18px 20px;
      line-height:1.5;
    }
    .accordion-button:not(.collapsed){
      background:rgba(16,199,163,.08);
      color:var(--primary-dark);
      border-color:rgba(16,199,163,.32);
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(16,199,163,.10)!important}
    .accordion-button::after{
      background-image:none;
      content:"+";
      display:grid;
      place-items:center;
      font-size:22px;
      font-weight:700;
      color:var(--primary-dark);
      transform:none;
    }
    .accordion-button:not(.collapsed)::after{content:"−"}
    .accordion-body{
      color:var(--muted);
      padding:16px 20px 6px;
      line-height:1.85;
    }
    .contact-band{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(17,24,39,.92),rgba(16,24,22,.94)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      padding:36px;
      box-shadow:0 26px 70px rgba(17,24,39,.20);
    }
    .contact-band:after{
      content:"";
      position:absolute;
      width:360px;height:360px;border-radius:50%;
      right:-120px;top:-120px;
      background:radial-gradient(circle,rgba(16,199,163,.35),transparent 70%);
    }
    .contact-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:30px;
      align-items:start;
    }
    .contact-copy h2{
      margin:14px 0 14px;
      font-size:34px;
      line-height:1.25;
      font-weight:900;
      letter-spacing:-.04em;
    }
    .contact-copy p{color:rgba(255,255,255,.72);margin:0 0 24px}
    .contact-notes{
      display:grid;
      gap:10px;
      color:rgba(255,255,255,.78);
      font-size:15px;
    }
    .contact-notes span:before{
      content:"";
      display:inline-block;
      width:8px;height:8px;border-radius:50%;
      background:var(--primary);
      margin-right:9px;
    }
    .contact-card{
      padding:22px;
      background:rgba(255,255,255,.96);
      border-radius:26px;
      box-shadow:0 18px 45px rgba(0,0,0,.16);
    }
    .form-label{
      color:var(--ink);
      font-size:14px;
      font-weight:850;
      margin-bottom:7px;
    }
    .form-control,.form-select{
      min-height:52px;
      border-radius:16px;
      border:1px solid rgba(16,199,163,.18);
      background:#FBFDFC;
      color:var(--ink);
      box-shadow:none!important;
      padding:12px 15px;
    }
    textarea.form-control{min-height:112px;resize:vertical}
    .form-control:focus,.form-select:focus{
      border-color:rgba(16,199,163,.64);
      box-shadow:0 0 0 4px rgba(16,199,163,.10)!important;
      background:#fff;
    }
    .site-footer{
      margin-top:64px;
      background:#101816;
      color:rgba(255,255,255,.72);
      position:relative;
      overflow:hidden;
    }
    .site-footer:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 15% 0%,rgba(16,199,163,.16),transparent 30%),
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px);
      background-size:auto, 100% 42px;
      pointer-events:none;
    }
    .footer-inner{
      position:relative;
      z-index:1;
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .7fr .9fr;
      gap:28px;
      margin-bottom:34px;
    }
    .footer-brand .brand-logo{color:#fff;margin-bottom:16px}
    .footer-brand .brand-text span{color:rgba(255,255,255,.55)}
    .footer-brand p{margin:0;max-width:420px}
    .footer-col h3{
      color:#fff;
      font-size:16px;
      font-weight:900;
      margin:0 0 14px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:rgba(255,255,255,.70)}
    .footer-links a:hover{color:var(--primary)}
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.10);
      padding-top:20px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      font-size:14px;
      color:rgba(255,255,255,.58);
    }
    @media (max-width:1199px){
      .site-container{width:min(100% - 32px, var(--container))}
      .hero-grid{grid-template-columns:1fr;gap:34px}
      .hero-panel{min-height:500px}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-card.large{grid-column:span 2}
      .channel-layout{grid-template-columns:1fr}
      .channel-tabs{grid-template-columns:repeat(3,1fr)}
      .compare-grid{grid-template-columns:1fr 1fr}
      .compare-cell.head:first-child{display:none}
      .process-strip{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .search-box{width:200px}
    }
    @media (max-width:991px){
      .site-header{height:auto;min-height:74px}
      .navbar{padding:14px 0}
      .navbar-collapse{
        margin-top:14px;
        background:#fff;
        border:1px solid rgba(16,199,163,.14);
        border-radius:24px;
        box-shadow:var(--shadow);
        padding:14px;
      }
      .nav-shell{display:block}
      .main-nav{margin:0;display:grid;gap:6px}
      .main-nav .nav-link{padding:12px 14px}
      .main-nav .nav-link.active:after{left:auto;right:14px;top:50%;bottom:auto;transform:translateY(-50%)}
      .nav-actions{
        margin:14px 0 0;
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .search-box{grid-column:1 / -1;width:100%}
      .hero{padding-top:56px}
      .hero h1{font-size:44px}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .contact-grid{grid-template-columns:1fr}
    }
    @media (max-width:767px){
      .section{padding:64px 0}
      .section-tight{padding:54px 0}
      .hero h1{font-size:34px;letter-spacing:-.04em}
      .hero-lead{font-size:16px}
      .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
      .hero-stats{grid-template-columns:1fr}
      .hero-panel{min-height:auto;padding:14px;border-radius:26px}
      .floating-card{position:relative;right:auto;bottom:auto;width:100%;margin-top:14px}
      .bento-grid{grid-template-columns:1fr}
      .bento-card.large,.bento-card.tall{grid-column:auto;grid-row:auto}
      .channel-tabs{
        display:flex;
        overflow-x:auto;
        padding:12px;
        scrollbar-width:none;
      }
      .channel-tab{min-width:150px}
      .topic-item{grid-template-columns:1fr;gap:12px}
      .topic-thumb{height:176px}
      .arrow-btn{display:none}
      .case-columns{columns:1}
      .compare-grid{display:block}
      .compare-cell{margin-bottom:8px}
      .process-strip{grid-template-columns:1fr}
      .contact-band{padding:24px;border-radius:26px}
      .contact-copy h2{font-size:27px}
      .section-head h2{font-size:28px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .nav-actions{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .site-container{width:calc(100% - 24px)}
      .brand-text strong{font-size:15px}
      .brand-text span{font-size:11px}
      .hero{padding:42px 0 54px}
      .app-card{padding:16px;border-radius:22px}
      .match-meta{display:block}
      .section-head h2{font-size:26px}
      .bento-card{padding:22px;border-radius:24px}
      .btn-brand,.btn-ghost,.btn-darkline{width:100%}
    }

/* roulang page: category1 */
:root{
      --color-primary:#10C7A3;
      --color-primary-dark:#079B81;
      --color-secondary:#7C3AED;
      --color-accent:#FFB020;
      --color-text:#111827;
      --color-heading:#15151F;
      --color-muted:#667085;
      --color-bg:#F6F8FB;
      --color-bg-soft:#F4F7F6;
      --color-card:#FFFFFF;
      --color-card-tint:#FCFFFE;
      --color-border:#E5E7EB;
      --color-border-green:rgba(16,199,163,.18);
      --footer-bg:#101816;
      --shadow-sm:0 8px 22px rgba(17,24,39,.06);
      --shadow-md:0 14px 36px rgba(17,24,39,.09);
      --shadow-green:0 18px 42px rgba(16,199,163,.16);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:24px;
      --radius-xl:32px;
      --container:1200px;
      --transition:all .24s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 10%,rgba(16,199,163,.10),transparent 28%),
        radial-gradient(circle at 92% 2%,rgba(124,58,237,.10),transparent 26%),
        linear-gradient(180deg,#FAFCFB 0%,var(--color-bg) 48%,#FFFFFF 100%);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:
        linear-gradient(rgba(16,199,163,.06) 1px,transparent 1px),
        linear-gradient(90deg,rgba(16,199,163,.06) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 70%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(16,199,163,.22);color:var(--color-heading)}
    .site-container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:86px 0;
      position:relative;
    }
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid var(--color-border-green);
      border-radius:999px;
      background:rgba(16,199,163,.09);
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
      box-shadow:0 0 0 5px rgba(16,199,163,.11);
    }
    h1,h2,h3,h4,p{margin-top:0}
    h1,h2,h3{color:var(--color-heading);letter-spacing:-.02em}
    h1{
      font-size:clamp(32px,4.6vw,54px);
      line-height:1.12;
      font-weight:800;
      margin:18px 0 20px;
    }
    h2{
      font-size:clamp(25px,3vw,38px);
      line-height:1.25;
      font-weight:800;
      margin-bottom:14px;
    }
    h3{
      font-size:clamp(19px,2vw,23px);
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
    }
    .lead{
      color:var(--color-muted);
      font-size:17px;
      line-height:1.85;
      margin-bottom:0;
    }
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-head.center{
      text-align:center;
      margin-inline:auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      border-bottom:1px solid rgba(229,231,235,.78);
      box-shadow:0 8px 24px rgba(17,24,39,.04);
    }
    .site-header .navbar{padding:0;min-height:76px}
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:
        linear-gradient(135deg,rgba(16,199,163,.94),rgba(124,58,237,.88));
      box-shadow:0 12px 28px rgba(16,199,163,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.48);
      transform:rotate(30deg);
    }
    .brand-mark:before{width:28px;height:16px;border-radius:8px}
    .brand-mark:after{width:9px;height:9px;border-radius:50%}
    .brand-mark span{
      width:18px;
      height:3px;
      border-radius:10px;
      background:#fff;
      transform:rotate(-35deg);
      position:relative;
      z-index:1;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-text strong{
      font-size:17px;
      font-weight:850;
      color:var(--color-heading);
    }
    .brand-text span{
      font-size:12px;
      color:var(--color-muted);
      margin-top:4px;
      white-space:nowrap;
    }
    .navbar-toggler{
      width:44px;
      height:44px;
      border:1px solid var(--color-border-green);
      border-radius:14px;
      padding:0;
      background:#fff;
      box-shadow:none!important;
    }
    .navbar-toggler-icon{
      background-image:none;
      display:grid;
      place-items:center;
      width:100%;
      height:100%;
    }
    .navbar-toggler-icon span,
    .navbar-toggler-icon:before,
    .navbar-toggler-icon:after{
      content:"";
      display:block;
      width:20px;
      height:2px;
      background:var(--color-heading);
      border-radius:999px;
      margin:3px auto;
      transition:var(--transition);
    }
    .nav-shell{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      width:100%;
      margin-left:34px;
    }
    .main-nav{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      background:rgba(246,248,251,.82);
      border:1px solid rgba(229,231,235,.72);
      border-radius:999px;
    }
    .main-nav .nav-link{
      position:relative;
      padding:9px 16px;
      border-radius:999px;
      color:#344054;
      font-size:14px;
      font-weight:700;
    }
    .main-nav .nav-link:hover{
      color:var(--color-primary-dark);
      background:rgba(16,199,163,.08);
    }
    .main-nav .nav-link.active{
      color:var(--color-primary-dark);
      background:#fff;
      box-shadow:0 8px 18px rgba(17,24,39,.06);
    }
    .main-nav .nav-link.active:after{
      content:"";
      position:absolute;
      left:50%;
      bottom:4px;
      width:5px;
      height:5px;
      border-radius:50%;
      transform:translateX(-50%);
      background:var(--color-primary);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .search-box{
      height:42px;
      width:248px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 13px;
      border:1px solid rgba(16,199,163,.16);
      border-radius:999px;
      background:#fff;
      color:#98A2B3;
      transition:var(--transition);
    }
    .search-box:focus-within{
      border-color:rgba(16,199,163,.58);
      box-shadow:0 0 0 4px rgba(16,199,163,.10);
    }
    .search-box input{
      border:0;
      outline:0;
      width:100%;
      min-width:0;
      background:transparent;
      color:var(--color-heading);
      font-size:13px;
    }
    .search-box input::placeholder{color:#98A2B3}
    .btn-brand,.btn-ghost,.btn-soft{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:42px;
      padding:10px 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:800;
      border:1px solid transparent;
      transition:var(--transition);
      white-space:nowrap;
    }
    .btn-brand{
      color:#fff;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
      box-shadow:0 12px 24px rgba(16,199,163,.22);
    }
    .btn-brand:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(16,199,163,.28);
      filter:saturate(1.08);
    }
    .btn-ghost{
      color:var(--color-heading);
      background:#fff;
      border-color:rgba(16,199,163,.22);
    }
    .btn-ghost:hover{
      color:var(--color-primary-dark);
      background:rgba(16,199,163,.08);
      transform:translateY(-1px);
    }
    .btn-soft{
      color:var(--color-primary-dark);
      background:rgba(16,199,163,.10);
      border-color:rgba(16,199,163,.14);
    }
    .btn-soft:hover{
      background:rgba(16,199,163,.15);
      color:var(--color-primary-dark);
      transform:translateY(-1px);
    }

    .channel-hero{
      padding:76px 0 54px;
      position:relative;
      overflow:hidden;
    }
    .channel-hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(250,252,251,.96),rgba(250,252,251,.84) 48%,rgba(250,252,251,.72)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index:-2;
    }
    .channel-hero:after{
      content:"";
      position:absolute;
      right:-8%;
      top:14%;
      width:520px;
      height:520px;
      background:radial-gradient(circle,rgba(124,58,237,.14),transparent 64%);
      z-index:-1;
    }
    .hero-wrap{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(320px,.72fr);
      gap:34px;
      align-items:center;
    }
    .hero-copy{max-width:760px}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(16,199,163,.16);
      color:#344054;
      font-size:13px;
      font-weight:700;
      box-shadow:0 8px 20px rgba(17,24,39,.04);
    }
    .tag.green{background:rgba(16,199,163,.10);color:var(--color-primary-dark)}
    .tag.purple{background:rgba(124,58,237,.10);color:#5B21B6}
    .tag.orange{background:rgba(255,176,32,.14);color:#9A5A00}
    .hero-panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(16,199,163,.16);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-md);
      padding:18px;
      position:relative;
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg,rgba(16,199,163,.12),transparent 34%,rgba(124,58,237,.10));
      pointer-events:none;
    }
    .hero-image{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      min-height:260px;
      background:#10201d;
    }
    .hero-image img{
      width:100%;
      height:100%;
      min-height:260px;
      object-fit:cover;
      opacity:.9;
    }
    .hero-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,24,22,.02),rgba(16,24,22,.72));
    }
    .floating-note{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      z-index:2;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.62);
      backdrop-filter:blur(10px);
    }
    .floating-note strong{
      display:block;
      color:var(--color-heading);
      font-size:16px;
      margin-bottom:4px;
    }
    .floating-note span{
      display:block;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.6;
    }
    .metric-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
      position:relative;
    }
    .metric{
      padding:13px 10px;
      border-radius:16px;
      background:#fff;
      border:1px solid rgba(16,199,163,.12);
      text-align:center;
    }
    .metric b{
      display:block;
      color:var(--color-primary-dark);
      font-size:18px;
      line-height:1.2;
    }
    .metric span{
      font-size:12px;
      color:var(--color-muted);
    }

    .filter-bar-wrap{
      position:sticky;
      top:76px;
      z-index:20;
      padding:14px 0;
      background:rgba(246,248,251,.86);
      backdrop-filter:blur(12px);
      border-top:1px solid rgba(229,231,235,.6);
      border-bottom:1px solid rgba(229,231,235,.75);
    }
    .filter-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:2px;
    }
    .filter-scroll::-webkit-scrollbar{display:none}
    .filter-pill{
      flex:0 0 auto;
      padding:10px 15px;
      border-radius:999px;
      border:1px solid rgba(16,199,163,.18);
      background:#fff;
      color:#344054;
      font-size:14px;
      font-weight:800;
      box-shadow:0 6px 16px rgba(17,24,39,.04);
    }
    .filter-pill:hover{
      color:var(--color-primary-dark);
      transform:translateY(-1px);
      box-shadow:var(--shadow-sm);
    }
    .filter-pill.active{
      color:#fff;
      border-color:transparent;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
      box-shadow:0 12px 26px rgba(16,199,163,.22);
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:28px;
      align-items:start;
    }
    .feature-card{
      display:grid;
      grid-template-columns:minmax(260px,.88fr) minmax(0,1fr);
      gap:0;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:var(--color-card);
      border:1px solid rgba(16,199,163,.16);
      box-shadow:var(--shadow-md);
      margin-bottom:26px;
      transition:var(--transition);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-green);
      border-color:rgba(16,199,163,.38);
    }
    .feature-media{
      min-height:330px;
      position:relative;
      overflow:hidden;
      background:linear-gradient(135deg,rgba(16,199,163,.14),rgba(124,58,237,.14));
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(17,24,39,.22));
    }
    .feature-body{
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .meta-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      color:#98A2B3;
      font-size:13px;
      font-weight:650;
      margin-top:14px;
    }
    .meta-dot{
      width:4px;
      height:4px;
      border-radius:50%;
      background:#CBD5E1;
    }
    .article-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:20px;
    }
    .article-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
      border-radius:var(--radius-lg);
      background:var(--color-card-tint);
      border:1px solid rgba(16,199,163,.13);
      box-shadow:var(--shadow-sm);
      overflow:hidden;
      transition:var(--transition);
    }
    .article-card:hover{
      transform:translateY(-4px);
      border-color:rgba(16,199,163,.36);
      box-shadow:var(--shadow-green);
    }
    .article-thumb{
      position:relative;
      aspect-ratio:16/10;
      overflow:hidden;
      background:linear-gradient(135deg,rgba(16,199,163,.16),rgba(124,58,237,.14));
    }
    .article-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .article-card:hover .article-thumb img{transform:scale(1.05)}
    .article-body{
      padding:22px;
      display:flex;
      flex-direction:column;
      flex:1;
    }
    .article-body p{
      color:var(--color-muted);
      margin-bottom:0;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .article-link{
      margin-top:auto;
      padding-top:18px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--color-primary-dark);
      font-weight:800;
      font-size:14px;
    }
    .article-link:hover{gap:12px;color:var(--color-secondary)}
    .badge-line{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .badge-custom{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:800;
      line-height:1.2;
    }
    .badge-custom.green{background:rgba(16,199,163,.11);color:var(--color-primary-dark)}
    .badge-custom.purple{background:rgba(124,58,237,.10);color:#5B21B6}
    .badge-custom.orange{background:rgba(255,176,32,.16);color:#9A5A00}
    .badge-custom.gray{background:#F2F4F7;color:#475467}

    .sidebar{
      position:sticky;
      top:154px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(16,199,163,.14);
      box-shadow:var(--shadow-sm);
      padding:22px;
    }
    .side-card.highlight{
      background:
        linear-gradient(135deg,rgba(16,199,163,.10),rgba(124,58,237,.08)),
        #fff;
    }
    .side-card h3{
      font-size:19px;
      margin-bottom:14px;
    }
    .keyword-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
    }
    .keyword-cloud a{
      padding:7px 10px;
      border-radius:999px;
      background:#F8FAFC;
      border:1px solid rgba(229,231,235,.9);
      color:#475467;
      font-size:13px;
      font-weight:750;
    }
    .keyword-cloud a:hover{
      color:var(--color-primary-dark);
      background:rgba(16,199,163,.08);
      border-color:rgba(16,199,163,.26);
    }
    .path-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:12px;
      counter-reset:path;
    }
    .path-list li{
      counter-increment:path;
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#475467;
      font-size:14px;
    }
    .path-list li:before{
      content:counter(path);
      width:24px;
      height:24px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:12px;
      font-weight:850;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
    }
    .update-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .update-list li{
      padding:12px;
      border-radius:16px;
      background:#F8FAFC;
      border:1px solid rgba(229,231,235,.76);
    }
    .update-list strong{
      display:block;
      color:var(--color-heading);
      font-size:14px;
      margin-bottom:4px;
    }
    .update-list span{
      display:block;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.6;
    }

    .guide-panel{
      border-radius:var(--radius-xl);
      border:1px solid rgba(16,199,163,.16);
      background:
        linear-gradient(135deg,rgba(16,199,163,.08),transparent 42%),
        #fff;
      box-shadow:var(--shadow-md);
      padding:30px;
      overflow:hidden;
      position:relative;
    }
    .guide-panel:after{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:210px;
      height:210px;
      border-radius:42px;
      transform:rotate(24deg);
      border:1px solid rgba(124,58,237,.16);
      background:rgba(124,58,237,.06);
    }
    .guide-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:16px;
      margin-top:26px;
      position:relative;
      z-index:1;
    }
    .guide-step{
      padding:20px;
      border-radius:22px;
      background:#fff;
      border:1px solid rgba(16,199,163,.13);
      box-shadow:0 8px 22px rgba(17,24,39,.045);
      transition:var(--transition);
    }
    .guide-step:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-sm);
      border-color:rgba(16,199,163,.32);
    }
    .step-icon{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
    }
    .guide-step p{
      color:var(--color-muted);
      font-size:14px;
      line-height:1.7;
      margin-bottom:0;
    }

    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid rgba(16,199,163,.15)!important;
      border-radius:18px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 8px 22px rgba(17,24,39,.045);
    }
    .accordion-button{
      padding:20px 22px;
      color:var(--color-heading);
      font-weight:850;
      font-size:16px;
      background:#fff;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:rgba(16,199,163,.07);
    }
    .accordion-button:focus{
      border-color:rgba(16,199,163,.45);
      box-shadow:0 0 0 4px rgba(16,199,163,.10)!important;
    }
    .accordion-button::after{
      width:18px;
      height:18px;
      background-image:none;
      content:"+";
      display:grid;
      place-items:center;
      color:var(--color-primary-dark);
      font-size:22px;
      font-weight:600;
      transform:none;
    }
    .accordion-button:not(.collapsed)::after{
      content:"−";
      transform:none;
    }
    .accordion-body{
      padding:0 22px 22px;
      color:var(--color-muted);
      line-height:1.85;
      background:rgba(16,199,163,.025);
    }

    .cta-section{
      padding:78px 0;
    }
    .cta-card{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:26px;
      align-items:center;
      border-radius:34px;
      padding:34px;
      background:
        linear-gradient(135deg,rgba(16,199,163,.92),rgba(124,58,237,.88)),
        var(--color-primary);
      color:#fff;
      box-shadow:0 26px 52px rgba(16,199,163,.22);
      position:relative;
      overflow:hidden;
    }
    .cta-card:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.28;
      background-image:
        linear-gradient(135deg,rgba(255,255,255,.32) 1px,transparent 1px);
      background-size:26px 26px;
    }
    .cta-card > *{position:relative;z-index:1}
    .cta-card h2{color:#fff;margin-bottom:12px}
    .cta-card p{
      color:rgba(255,255,255,.86);
      margin-bottom:0;
      max-width:680px;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .cta-actions .btn-ghost{
      border-color:rgba(255,255,255,.42);
      background:rgba(255,255,255,.12);
      color:#fff;
    }
    .cta-actions .btn-ghost:hover{
      background:rgba(255,255,255,.22);
      color:#fff;
    }
    .cta-actions .btn-brand{
      background:#fff;
      color:var(--color-primary-dark);
      box-shadow:0 14px 28px rgba(17,24,39,.14);
    }

    .site-footer{
      background:
        radial-gradient(circle at 15% 0,rgba(16,199,163,.18),transparent 30%),
        radial-gradient(circle at 90% 18%,rgba(124,58,237,.16),transparent 28%),
        var(--footer-bg);
      color:rgba(255,255,255,.72);
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr .8fr;
      gap:34px;
    }
    .site-footer .brand-text strong{color:#fff}
    .site-footer .brand-text span{color:rgba(255,255,255,.62)}
    .footer-brand p{
      margin:18px 0 0;
      max-width:430px;
      color:rgba(255,255,255,.68);
      line-height:1.85;
    }
    .footer-col h3{
      color:#fff;
      font-size:16px;
      margin-bottom:16px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media (max-width:1199px){
      .site-container{width:min(100% - 32px,960px)}
      .nav-shell{margin-left:18px;gap:14px}
      .search-box{width:210px}
      .hero-wrap{grid-template-columns:1fr .78fr}
      .content-layout{grid-template-columns:minmax(0,1fr) 300px;gap:22px}
      .feature-card{grid-template-columns:1fr}
      .feature-media{min-height:240px}
      .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:991px){
      .site-header .navbar{min-height:70px}
      .navbar-collapse{
        position:absolute;
        left:16px;
        right:16px;
        top:70px;
        padding:14px;
        border-radius:22px;
        background:rgba(255,255,255,.96);
        border:1px solid rgba(16,199,163,.16);
        box-shadow:0 18px 42px rgba(17,24,39,.12);
        backdrop-filter:blur(14px);
      }
      .nav-shell{
        margin-left:0;
        align-items:stretch;
        flex-direction:column;
      }
      .main-nav{
        border-radius:18px;
        align-items:stretch;
      }
      .main-nav .nav-link{
        border-radius:14px;
        padding:12px 14px;
      }
      .main-nav .nav-link.active:after{display:none}
      .nav-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .search-box{width:100%;border-radius:16px}
      .btn-brand,.btn-ghost,.btn-soft{width:100%;border-radius:16px}
      .hero-wrap{grid-template-columns:1fr}
      .content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:767px){
      .site-container{width:min(100% - 24px,100%)}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-text strong{font-size:15px}
      .brand-text span{font-size:11px;max-width:180px;overflow:hidden;text-overflow:ellipsis}
      .channel-hero{padding:52px 0 40px}
      .section{padding:64px 0}
      .section-tight{padding:42px 0}
      .hero-actions .btn-brand,.hero-actions .btn-ghost,.hero-actions .btn-soft{width:100%}
      .metric-row{grid-template-columns:1fr}
      .filter-bar-wrap{top:70px}
      .article-grid{grid-template-columns:1fr}
      .feature-body{padding:23px}
      .feature-media{min-height:210px}
      .sidebar{grid-template-columns:1fr}
      .guide-panel{padding:22px}
      .guide-grid{grid-template-columns:1fr}
      .cta-section{padding:58px 0}
      .cta-card{padding:24px;border-radius:26px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      h1{font-size:31px}
      .lead{font-size:16px}
      .floating-note{left:14px;right:14px;bottom:14px;padding:14px}
      .hero-image,.hero-image img{min-height:235px}
      .article-body{padding:19px}
      .side-card{padding:19px}
      .accordion-button{padding:18px;font-size:15px}
      .accordion-body{padding:0 18px 18px}
    }