/* roulang page: index */
:root{
      --primary:#7C3AED;
      --primary-2:#A855F7;
      --accent:#F97316;
      --rose:#FB7185;
      --cyan:#06B6D4;
      --green:#22C55E;
      --ink:#111827;
      --text:#374151;
      --muted:#6B7280;
      --soft:#FAF5FF;
      --warm:#FFF7ED;
      --page:#F8FAFC;
      --line:#E9D5FF;
      --line-2:#FED7AA;
      --card:rgba(255,255,255,.82);
      --shadow:0 24px 70px rgba(124,58,237,.14);
      --shadow-orange:0 22px 48px rgba(249,115,22,.13);
      --radius:28px;
      --radius-lg:36px;
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 4%, rgba(251,113,133,.18), transparent 34%),
        radial-gradient(circle at 80% 7%, rgba(124,58,237,.16), transparent 36%),
        linear-gradient(180deg,#FFF7ED 0%,#FAF5FF 34%,#F8FAFC 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .site-shell{position:relative;min-height:100vh}
    .site-shell:before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      opacity:.45;
      background-image:
        linear-gradient(rgba(124,58,237,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124,58,237,.06) 1px, transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom, #000 0%, transparent 45%);
    }
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .skip-link{
      position:absolute;
      left:16px;
      top:-60px;
      z-index:999;
      padding:10px 16px;
      border-radius:999px;
      background:#fff;
      color:var(--primary);
      box-shadow:var(--shadow);
      transition:.2s ease;
    }
    .skip-link:focus{top:14px;outline:3px solid rgba(124,58,237,.25)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(233,213,255,.85);
      background:rgba(255,251,247,.82);
      backdrop-filter:blur(18px);
      -webkit-backdrop-filter:blur(18px);
    }
    .nav-wrap{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--rose) 55%,var(--accent));
      box-shadow:0 14px 30px rgba(124,58,237,.22);
    }
    .brand-name{font-size:20px}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(233,213,255,.78);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      box-shadow:0 12px 32px rgba(124,58,237,.06);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      height:40px;
      padding:0 16px;
      border-radius:999px;
      font-size:15px;
      font-weight:650;
      color:#4B5563;
      transition:background .2s ease,color .2s ease,transform .2s ease;
    }
    .nav-link:hover{background:#FAF5FF;color:var(--primary);transform:translateY(-1px)}
    .nav-link.active{background:#F3E8FF;color:#6D28D9}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .command-search{
      width:235px;
      height:44px;
      display:flex;
      align-items:center;
      gap:9px;
      padding:0 12px;
      border:1px solid rgba(233,213,255,.95);
      border-radius:999px;
      background:rgba(255,255,255,.76);
      color:var(--muted);
      box-shadow:0 10px 26px rgba(124,58,237,.05);
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .command-search:hover,.command-search:focus-within{
      border-color:rgba(124,58,237,.45);
      box-shadow:0 0 0 4px rgba(124,58,237,.08);
      background:#fff;
    }
    .command-search input{
      width:100%;
      border:0;
      background:transparent;
      outline:0;
      color:var(--ink);
      font-size:14px;
    }
    .keycap{
      flex:0 0 auto;
      padding:1px 7px;
      border-radius:9px;
      background:#F5F3FF;
      color:#7C3AED;
      font-size:12px;
      border:1px solid #E9D5FF;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 20px;
      border-radius:999px;
      font-weight:750;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--rose) 58%,var(--accent));
      box-shadow:0 18px 34px rgba(124,58,237,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 46px rgba(124,58,237,.28)}
    .btn-secondary{
      color:#5B21B6;
      background:#fff;
      border:1px solid rgba(233,213,255,.95);
      box-shadow:0 12px 28px rgba(124,58,237,.07);
    }
    .btn-secondary:hover{background:#FAF5FF;border-color:rgba(124,58,237,.35);transform:translateY(-1px)}
    .btn-ghost{
      color:#6D28D9;
      background:#F5F3FF;
      border:1px solid #E9D5FF;
      min-height:40px;
      padding:0 15px;
      font-size:14px;
    }
    .btn-ghost:hover{background:#FFF7ED;border-color:#FED7AA;color:#C2410C}
    .focusable:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible{
      outline:3px solid rgba(124,58,237,.28);
      outline-offset:3px;
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:15px;
      background:#fff;
      border:1px solid var(--line);
      color:var(--primary);
      box-shadow:0 10px 24px rgba(124,58,237,.08);
    }
    .mobile-panel{
      display:none;
      padding:0 0 18px;
    }
    .mobile-menu{
      border:1px solid rgba(233,213,255,.92);
      border-radius:24px;
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow);
      padding:14px;
    }
    .mobile-menu a{display:flex;margin:6px 0}
    .section{padding:92px 0}
    .hero{
      padding:78px 0 96px;
      position:relative;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.04fr) minmax(420px,.96fr);
      gap:52px;
      align-items:center;
    }
    .eyebrow,.tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.74);
      border:1px solid rgba(233,213,255,.88);
      color:#6D28D9;
      font-size:14px;
      font-weight:750;
      box-shadow:0 10px 26px rgba(124,58,237,.07);
    }
    .dot{
      width:8px;height:8px;border-radius:99px;
      background:linear-gradient(135deg,var(--accent),var(--rose));
      box-shadow:0 0 0 5px rgba(249,115,22,.12);
    }
    h1{
      margin:22px 0 18px;
      color:var(--ink);
      font-weight:850;
      letter-spacing:-.055em;
      line-height:1.08;
      font-size:clamp(2.35rem,6vw,4.65rem);
    }
    .gradient-text{
      background:linear-gradient(135deg,#6D28D9 0%,#DB2777 55%,#EA580C 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-sub{
      max-width:670px;
      color:#4B5563;
      font-size:18px;
      line-height:1.8;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .trust-bar{
      margin-top:28px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .trust-pill{
      display:flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.62);
      border:1px solid rgba(229,231,235,.9);
      color:#4B5563;
      font-size:14px;
      font-weight:650;
    }
    .hero-visual{
      position:relative;
      min-height:610px;
    }
    .visual-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(233,213,255,.9);
      box-shadow:var(--shadow);
    }
    .visual-main{
      min-height:560px;
      padding:26px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.20),rgba(255,255,255,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      gap:14px;
      align-items:center;
      padding:16px;
      border-radius:24px;
      background:rgba(255,255,255,.86);
      border:1px solid rgba(255,255,255,.9);
      box-shadow:0 14px 34px rgba(17,24,39,.08);
    }
    .window-dots{display:flex;gap:7px}
    .window-dots span{width:10px;height:10px;border-radius:99px;background:#E9D5FF}
    .window-dots span:nth-child(2){background:#FED7AA}
    .window-dots span:nth-child(3){background:#A7F3D0}
    .status-chip{
      padding:7px 11px;
      border-radius:999px;
      background:#ECFDF5;
      color:#15803D;
      font-size:13px;
      font-weight:750;
    }
    .dashboard{
      margin-top:22px;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .dash-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(233,213,255,.82);
      box-shadow:0 16px 30px rgba(124,58,237,.08);
    }
    .dash-card.large{grid-column:1/-1}
    .dash-label{font-size:13px;color:var(--muted);font-weight:700}
    .dash-value{
      margin-top:6px;
      color:var(--ink);
      font-size:30px;
      line-height:1;
      font-weight:850;
      font-variant-numeric:tabular-nums;
    }
    .mini-bars{display:flex;align-items:end;gap:7px;height:62px;margin-top:18px}
    .mini-bars i{flex:1;border-radius:999px;background:linear-gradient(180deg,#A855F7,#FB7185)}
    .mini-bars i:nth-child(1){height:42%}.mini-bars i:nth-child(2){height:70%}.mini-bars i:nth-child(3){height:54%}.mini-bars i:nth-child(4){height:88%}.mini-bars i:nth-child(5){height:62%}.mini-bars i:nth-child(6){height:78%}
    .task-list{margin-top:16px;display:grid;gap:10px}
    .task{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px;
      border-radius:16px;
      background:#FAF5FF;
      color:#4B5563;
      font-size:14px;
      font-weight:650;
    }
    .task b{color:#6D28D9}
    .floating-badge{
      position:absolute;
      right:-22px;
      bottom:56px;
      width:178px;
      padding:18px;
      border-radius:28px;
      background:linear-gradient(135deg,#fff,#FFF7ED);
      border:1px solid rgba(254,215,170,.9);
      box-shadow:var(--shadow-orange);
    }
    .floating-badge strong{
      display:block;
      color:#EA580C;
      font-size:28px;
      line-height:1;
      font-weight:850;
    }
    .floating-badge span{display:block;margin-top:8px;color:#6B7280;font-size:14px;line-height:1.5}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:#7C3AED;
      font-weight:800;
      margin-bottom:10px;
    }
    h2{
      margin:0;
      color:var(--ink);
      font-size:clamp(1.85rem,4vw,3rem);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:850;
    }
    .section-desc{
      max-width:560px;
      color:#6B7280;
      font-size:17px;
      margin:12px 0 0;
    }
    .pain-layout{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
      gap:22px;
    }
    .pain-card,.feature-card,.metric-card,.quote-card,.faq-item,.category-card{
      background:var(--card);
      border:1px solid rgba(233,213,255,.82);
      border-radius:var(--radius);
      box-shadow:0 16px 42px rgba(124,58,237,.08);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .pain-card:hover,.feature-card:hover,.metric-card:hover,.quote-card:hover,.category-card:hover{
      transform:translateY(-4px);
      border-color:rgba(124,58,237,.38);
      box-shadow:0 24px 58px rgba(124,58,237,.13);
    }
    .pain-main{
      min-height:420px;
      padding:34px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg,rgba(255,255,255,.88),rgba(250,245,255,.82)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .pain-main:after{
      content:"";
      position:absolute;
      inset:auto -80px -120px auto;
      width:260px;height:260px;border-radius:50%;
      background:rgba(249,115,22,.15);
    }
    .icon-box{
      width:54px;height:54px;
      display:grid;place-items:center;
      border-radius:18px;
      background:linear-gradient(135deg,#F3E8FF,#FFEDD5);
      color:#7C3AED;
      font-size:24px;
      margin-bottom:20px;
    }
    h3{margin:0;color:var(--ink);font-size:23px;line-height:1.25;font-weight:820;letter-spacing:-.02em}
    .pain-card p,.feature-card p,.quote-card p,.category-card p{color:#6B7280;margin:12px 0 0}
    .pain-stack{display:grid;gap:18px}
    .pain-small{padding:24px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
    .num{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      color:#fff;
      font-weight:850;
      background:linear-gradient(135deg,var(--primary),var(--rose));
      box-shadow:0 12px 26px rgba(124,58,237,.18);
    }
    .solution{
      position:relative;
      overflow:hidden;
      border-radius:40px;
      padding:42px;
      background:linear-gradient(135deg,#4C1D95 0%,#7C3AED 46%,#FB7185 100%);
      box-shadow:var(--shadow);
    }
    .solution .section-kicker,.solution h2,.solution .section-desc{color:#fff}
    .solution .section-desc{opacity:.82}
    .solution-grid{
      display:grid;
      grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);
      gap:28px;
      align-items:stretch;
      margin-top:34px;
    }
    .steps{display:grid;gap:14px}
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      color:#fff;
    }
    .step .num{background:rgba(255,255,255,.22);box-shadow:none}
    .step p{margin:6px 0 0;color:rgba(255,255,255,.78)}
    .solution-preview{
      overflow:hidden;
      border-radius:32px;
      background:#fff;
      min-height:430px;
      border:1px solid rgba(255,255,255,.45);
    }
    .solution-preview img{
      width:100%;
      height:238px;
      object-fit:cover;
    }
    .preview-body{padding:24px}
    .timeline{margin-top:18px;display:grid;gap:12px}
    .timeline-row{
      display:flex;
      align-items:center;
      gap:12px;
      padding:12px;
      border-radius:18px;
      background:#FAF5FF;
    }
    .time-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 6px rgba(249,115,22,.12)}
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:20px;
    }
    .feature-card{padding:28px}
    .feature-card:nth-child(1){grid-column:span 5}
    .feature-card:nth-child(2){grid-column:span 7}
    .feature-card:nth-child(3){grid-column:span 7}
    .feature-card:nth-child(4){grid-column:span 5}
    .card-cover{
      overflow:hidden;
      border-radius:22px;
      margin:-8px -8px 20px;
      height:190px;
      background:#F3E8FF;
    }
    .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
    .feature-card:hover .card-cover img,.category-card:hover .card-cover img{transform:scale(1.04)}
    .metrics-wrap{
      border-radius:40px;
      padding:38px;
      background:linear-gradient(135deg,#FFF7ED,#FAF5FF);
      border:1px solid rgba(233,213,255,.88);
      box-shadow:0 18px 56px rgba(124,58,237,.1);
    }
    .metrics-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:28px;
    }
    .metric-card{padding:24px;background:rgba(255,255,255,.72)}
    .metric-number{
      color:var(--ink);
      font-size:38px;
      font-weight:900;
      line-height:1;
      font-variant-numeric:tabular-nums;
      letter-spacing:-.04em;
    }
    .metric-label{margin-top:10px;color:#6D28D9;font-weight:800}
    .progress{
      margin-top:18px;
      height:8px;
      border-radius:99px;
      background:#F3E8FF;
      overflow:hidden;
    }
    .progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--rose),var(--accent))}
    .category-card{
      display:grid;
      grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
      gap:28px;
      padding:24px;
      align-items:center;
      overflow:hidden;
    }
    .category-card .card-cover{height:310px;margin:0}
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:18px;
      color:#7C3AED;
      font-weight:850;
      transition:gap .2s ease,color .2s ease;
    }
    .category-card:hover .arrow-link,.feature-card:hover .arrow-link{gap:12px;color:#EA580C}
    .quote-wrap{
      display:grid;
      grid-template-columns:1fr 1.14fr 1fr;
      gap:18px;
      align-items:start;
    }
    .quote-card{padding:26px}
    .quote-card:nth-child(2){margin-top:34px}
    .quote-mark{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:#F3E8FF;
      color:#7C3AED;
      font-size:28px;
      font-weight:900;
      margin-bottom:16px;
    }
    .quote-person{margin-top:20px;color:var(--ink);font-weight:850}
    .quote-role{color:#6B7280;font-size:14px}
    .faq-grid{
      display:grid;
      grid-template-columns:minmax(280px,.75fr) minmax(0,1.25fr);
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      overflow:hidden;
      background:rgba(255,255,255,.76);
    }
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:21px 22px;
      background:transparent;
      color:var(--ink);
      text-align:left;
      font-weight:850;
    }
    .faq-question span:last-child{
      width:30px;height:30px;border-radius:999px;
      display:grid;place-items:center;
      background:#F3E8FF;
      color:#7C3AED;
      flex:0 0 auto;
      transition:transform .2s ease,background .2s ease;
    }
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:#6B7280;
    }
    .faq-item.open{border-color:rgba(124,58,237,.4)}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:#FFEDD5;color:#EA580C}
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:42px;
      padding:46px;
      background:
        radial-gradient(circle at 88% 22%, rgba(255,237,213,.48), transparent 28%),
        linear-gradient(135deg,#6D28D9 0%,#A855F7 48%,#FB7185 100%);
      box-shadow:0 28px 72px rgba(124,58,237,.25);
      color:#fff;
    }
    .cta-band:after{
      content:"";
      position:absolute;
      right:-70px;bottom:-90px;
      width:260px;height:260px;border-radius:50%;
      background:rgba(255,255,255,.16);
    }
    .cta-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:30px;
      align-items:center;
      position:relative;
      z-index:1;
    }
    .cta-band h2{color:#fff}
    .cta-band p{max-width:650px;color:rgba(255,255,255,.82);font-size:17px}
    .cta-panel{
      padding:22px;
      border-radius:30px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
    }
    .cta-panel input{
      width:100%;
      height:48px;
      border:1px solid rgba(255,255,255,.35);
      border-radius:16px;
      padding:0 14px;
      color:#fff;
      background:rgba(255,255,255,.12);
      outline:0;
      margin-bottom:12px;
    }
    .cta-panel input::placeholder{color:rgba(255,255,255,.66)}
    .cta-panel input:focus{box-shadow:0 0 0 4px rgba(255,255,255,.18);border-color:rgba(255,255,255,.72)}
    .site-footer{
      margin-top:70px;
      background:#2E1065;
      color:rgba(255,255,255,.78);
      position:relative;
      z-index:1;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .7fr;
      gap:38px;
      padding:54px 0 34px;
    }
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:850;font-size:20px}
    .footer-desc{max-width:430px;margin:16px 0 0;color:rgba(255,255,255,.68)}
    .footer-title{color:#fff;font-weight:850;margin-bottom:14px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:#FDBA74;transform:translateX(3px)}
    .copyright{
      border-top:1px solid rgba(255,255,255,.12);
      padding:20px 0 24px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:14px;
    }
    @media (max-width:1080px){
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .mobile-panel.show{display:block}
      .hero-grid,.pain-layout,.solution-grid,.faq-grid,.cta-grid{grid-template-columns:1fr}
      .hero-visual{min-height:auto}
      .floating-badge{right:16px;bottom:20px}
      .metrics-grid{grid-template-columns:repeat(2,1fr)}
      .feature-card:nth-child(n){grid-column:span 6}
      .category-card{grid-template-columns:1fr}
      .quote-wrap{grid-template-columns:1fr}
      .quote-card:nth-child(2){margin-top:0}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{height:68px}
      .section{padding:64px 0}
      .hero{padding:50px 0 70px}
      .section-head{display:block}
      .visual-main{min-height:480px;padding:18px}
      .dashboard{grid-template-columns:1fr}
      .dash-card.large{grid-column:auto}
      .solution,.metrics-wrap,.cta-band{border-radius:30px;padding:26px}
      .feature-grid{grid-template-columns:1fr}
      .feature-card:nth-child(n){grid-column:auto}
      .metrics-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .hero-actions .btn{width:100%}
    }
    @media (max-width:520px){
      .brand-name{font-size:18px}
      .hero-sub,.section-desc{font-size:16px}
      .trust-bar{display:grid}
      .pain-small{grid-template-columns:1fr}
      .category-card,.feature-card,.pain-main,.quote-card{padding:22px}
      .category-card .card-cover{height:220px}
      .cta-panel{padding:16px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --primary:#7C3AED;
      --primary-2:#A855F7;
      --accent:#F97316;
      --rose:#FB7185;
      --cyan:#06B6D4;
      --green:#22C55E;
      --ink:#111827;
      --text:#374151;
      --muted:#6B7280;
      --soft:#FAF5FF;
      --warm:#FFF7ED;
      --line:#E9D5FF;
      --line-2:#FED7AA;
      --white:#FFFFFF;
      --radius-lg:28px;
      --radius-xl:36px;
      --shadow:0 24px 70px rgba(124,58,237,.13);
      --shadow-card:0 16px 44px rgba(124,58,237,.10);
      --container:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(249,115,22,.18), transparent 30%),
        radial-gradient(circle at 86% 6%, rgba(124,58,237,.18), transparent 34%),
        linear-gradient(180deg,#fff7ed 0%,#faf5ff 42%,#f8fafc 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.38;
      background-image:linear-gradient(rgba(124,58,237,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(124,58,237,.08) 1px,transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom,#000 0%,transparent 72%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(124,58,237,.18);color:var(--ink)}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .focusable:focus-visible,.btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible,a:focus-visible{
      outline:3px solid rgba(124,58,237,.32);
      outline-offset:3px;
      border-radius:18px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(233,213,255,.86);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand,.footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--rose) 55%,var(--accent));
      box-shadow:0 12px 28px rgba(124,58,237,.25);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      width:18px;
      height:18px;
      border-radius:999px;
      border:2px solid rgba(255,255,255,.6);
      position:absolute;
      right:-4px;
      bottom:-4px;
    }
    .brand-name{font-size:20px}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:7px;
      border:1px solid rgba(233,213,255,.9);
      background:rgba(255,255,255,.58);
      border-radius:999px;
      box-shadow:0 10px 30px rgba(124,58,237,.06);
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:0 16px;
      border-radius:999px;
      color:#4B5563;
      font-weight:650;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{
      color:var(--primary);
      background:rgba(250,245,255,.95);
    }
    .nav-link.active{
      color:var(--primary);
      background:linear-gradient(180deg,#fff,#f3e8ff);
      box-shadow:inset 0 0 0 1px rgba(124,58,237,.12),0 8px 18px rgba(124,58,237,.08);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .command-search{
      height:42px;
      min-width:245px;
      padding:0 11px 0 14px;
      display:flex;
      align-items:center;
      gap:8px;
      color:#8B5CF6;
      background:#fff;
      border:1px solid rgba(233,213,255,.96);
      border-radius:999px;
      box-shadow:0 10px 28px rgba(124,58,237,.07);
      transition:.22s ease;
    }
    .command-search:focus-within{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 5px rgba(124,58,237,.12);
    }
    .command-search input{
      width:100%;
      min-width:0;
      border:0;
      outline:0;
      color:var(--ink);
      background:transparent;
      font-size:14px;
    }
    .command-search input::placeholder{color:#9CA3AF}
    .keycap{
      font-size:11px;
      line-height:1;
      padding:5px 7px;
      border-radius:999px;
      color:#7C3AED;
      background:#FAF5FF;
      border:1px solid #E9D5FF;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      font-weight:750;
      border:1px solid transparent;
      transition:.24s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--rose) 58%,var(--accent));
      box-shadow:0 16px 36px rgba(124,58,237,.24);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      filter:saturate(1.05) brightness(1.02);
      box-shadow:0 20px 44px rgba(124,58,237,.32);
    }
    .btn-ghost{
      color:#5B21B6;
      background:rgba(255,255,255,.72);
      border-color:rgba(233,213,255,.95);
    }
    .btn-ghost:hover{
      background:#FAF5FF;
      border-color:rgba(124,58,237,.28);
      transform:translateY(-1px);
    }
    .mobile-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      color:var(--primary);
      font-size:22px;
      box-shadow:0 10px 26px rgba(124,58,237,.08);
    }
    .mobile-panel{display:none}
    .mobile-menu{
      margin:0 0 16px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(255,255,255,.94);
      box-shadow:var(--shadow-card);
    }
    .section{
      padding:88px 0;
      position:relative;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(233,213,255,.95);
      border-radius:999px;
      color:#6D28D9;
      background:rgba(255,255,255,.72);
      font-size:14px;
      font-weight:750;
      box-shadow:0 10px 24px rgba(124,58,237,.07);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:linear-gradient(135deg,var(--accent),var(--primary));
      box-shadow:0 0 0 5px rgba(249,115,22,.12);
    }
    .hero{
      padding:86px 0 58px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.03fr .97fr;
      gap:44px;
      align-items:center;
    }
    h1,h2,h3{color:var(--ink);margin:0;letter-spacing:-.045em}
    h1{
      margin-top:20px;
      font-size:clamp(38px,6vw,68px);
      line-height:1.08;
      font-weight:850;
    }
    h2{
      font-size:clamp(30px,4.2vw,46px);
      line-height:1.14;
      font-weight:850;
    }
    h3{
      font-size:22px;
      line-height:1.3;
      font-weight:800;
    }
    .grad-text{
      background:linear-gradient(135deg,#6D28D9,#DB2777 54%,#F97316);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      margin:22px 0 0;
      max-width:720px;
      color:#4B5563;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:30px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:28px;
    }
    .mini-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(233,213,255,.82);
      color:#5B21B6;
      font-size:14px;
      font-weight:700;
    }
    .visual-card{
      position:relative;
      padding:16px;
      border-radius:38px;
      background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(250,245,255,.82));
      border:1px solid rgba(233,213,255,.92);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .visual-card:before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-82px;
      top:-82px;
      border-radius:999px;
      background:radial-gradient(circle,rgba(249,115,22,.24),transparent 66%);
    }
    .visual-image{
      min-height:420px;
      border-radius:30px;
      overflow:hidden;
      background:
        linear-gradient(180deg,rgba(17,24,39,.12),rgba(124,58,237,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover;
      position:relative;
      display:flex;
      align-items:flex-end;
      padding:22px;
    }
    .dashboard{
      width:100%;
      position:relative;
      z-index:2;
      padding:18px;
      border-radius:24px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.85);
      box-shadow:0 18px 46px rgba(17,24,39,.16);
    }
    .dash-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
    }
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:#ECFDF5;
      color:#15803D;
      font-weight:800;
      font-size:12px;
    }
    .progress-line{
      height:10px;
      border-radius:999px;
      background:#F3E8FF;
      overflow:hidden;
    }
    .progress-line span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),var(--accent));
    }
    .dash-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:14px;
    }
    .dash-chip{
      padding:12px;
      border-radius:18px;
      background:#FFF7ED;
      border:1px solid #FED7AA;
    }
    .dash-chip strong{
      display:block;
      color:var(--ink);
      font-size:19px;
      line-height:1.2;
    }
    .dash-chip span{
      color:#9A3412;
      font-size:12px;
      font-weight:700;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-head p{
      margin:12px 0 0;
      max-width:650px;
      color:var(--muted);
      font-size:17px;
    }
    .card{
      border:1px solid rgba(233,213,255,.9);
      background:rgba(255,255,255,.78);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      transition:.25s ease;
      overflow:hidden;
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(124,58,237,.32);
      box-shadow:0 22px 56px rgba(124,58,237,.16);
    }
    .pain-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      align-items:stretch;
    }
    .pain-main{
      padding:34px;
      background:linear-gradient(135deg,#fff,#FAF5FF 68%,#FFF7ED);
    }
    .pain-main img{
      height:245px;
      width:100%;
      object-fit:cover;
      border-radius:24px;
      margin-bottom:24px;
      border:1px solid rgba(233,213,255,.75);
    }
    .stack{
      display:grid;
      gap:18px;
    }
    .issue-item{
      padding:24px;
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:start;
    }
    .iconbox{
      width:46px;
      height:46px;
      border-radius:17px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--rose));
      box-shadow:0 14px 28px rgba(124,58,237,.18);
    }
    .issue-item p,.feature-card p,.step p,.quote-card p,.faq-answer,.scene-card p{
      margin:8px 0 0;
      color:var(--muted);
    }
    .solution-box{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      padding:20px;
      border-radius:36px;
      background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(249,115,22,.08));
      border:1px solid rgba(233,213,255,.9);
    }
    .solution-image{
      min-height:470px;
      border-radius:30px;
      background:url('/assets/images/coverpic/cover-2.webp') center/cover;
      position:relative;
      overflow:hidden;
      box-shadow:inset 0 -120px 140px rgba(46,16,101,.52);
    }
    .floating-note{
      position:absolute;
      left:20px;
      right:20px;
      bottom:20px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(255,255,255,.85);
      box-shadow:0 18px 44px rgba(17,24,39,.18);
    }
    .steps{
      display:grid;
      gap:14px;
      padding:8px;
    }
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.76);
      border:1px solid rgba(233,213,255,.85);
    }
    .step-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--accent),var(--primary));
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .feature-card{
      padding:24px;
      min-height:210px;
    }
    .feature-card .tag{
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      color:#7C2D12;
      background:#FFEDD5;
      border:1px solid #FED7AA;
    }
    .metric-wrap{
      padding:30px;
      border-radius:36px;
      background:
        radial-gradient(circle at 80% 18%,rgba(249,115,22,.35),transparent 34%),
        linear-gradient(135deg,#581C87,#7C3AED 55%,#DB2777);
      box-shadow:0 26px 70px rgba(88,28,135,.28);
      overflow:hidden;
      position:relative;
    }
    .metric-head h2,.metric-head p{color:#fff}
    .metric-head p{opacity:.82;margin-top:10px;max-width:680px}
    .metric-grid{
      margin-top:28px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .metric-card{
      padding:22px;
      border-radius:26px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(255,255,255,.72);
    }
    .metric-number{
      font-variant-numeric:tabular-nums;
      font-size:36px;
      line-height:1;
      font-weight:900;
      color:#581C87;
    }
    .metric-card p{margin:9px 0 0;color:#6B7280;font-size:14px}
    .bar{
      height:7px;
      border-radius:999px;
      margin-top:16px;
      background:#F3E8FF;
      overflow:hidden;
    }
    .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
    .scene-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:20px;
    }
    .scene-card{
      padding:28px;
      position:relative;
    }
    .scene-card.large{
      min-height:350px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.9),rgba(250,245,255,.76)),
        url('/assets/images/coverpic/cover-3.webp') center/cover;
      background-blend-mode:screen;
    }
    .ticket-list{
      display:grid;
      gap:14px;
    }
    .ticket{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px;
      border-radius:22px;
      background:#fff;
      border:1px dashed rgba(124,58,237,.3);
      box-shadow:0 14px 34px rgba(124,58,237,.08);
    }
    .ticket strong{color:var(--ink)}
    .ticket span{color:var(--muted);font-size:14px}
    .quote-grid{
      display:grid;
      grid-template-columns:1fr 1.08fr 1fr;
      gap:18px;
      align-items:start;
    }
    .quote-card{
      padding:26px;
    }
    .quote-card:nth-child(2){margin-top:26px}
    .quote-mark{
      width:42px;
      height:42px;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#FAF5FF;
      color:var(--primary);
      font-size:28px;
      font-weight:900;
      margin-bottom:16px;
    }
    .role{
      margin-top:20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      color:var(--ink);
      font-weight:800;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(233,213,255,.92);
      box-shadow:0 12px 32px rgba(124,58,237,.08);
    }
    .faq-q{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      color:var(--ink);
      font-weight:850;
      font-size:18px;
    }
    .plus{
      width:30px;
      height:30px;
      flex:0 0 auto;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--accent));
    }
    .contact-cta{
      padding:34px;
      border-radius:38px;
      background:
        radial-gradient(circle at 86% 16%,rgba(255,255,255,.35),transparent 28%),
        linear-gradient(135deg,#7C3AED,#DB2777 56%,#F97316);
      color:#fff;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
      box-shadow:0 26px 70px rgba(124,58,237,.28);
      overflow:hidden;
    }
    .contact-cta h2{color:#fff}
    .contact-cta p{margin:12px 0 0;color:rgba(255,255,255,.86);max-width:760px}
    .cta-panel{
      min-width:260px;
      padding:18px;
      border-radius:26px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.28);
    }
    .cta-panel div{
      display:flex;
      justify-content:space-between;
      padding:10px 0;
      border-bottom:1px solid rgba(255,255,255,.2);
      font-weight:750;
    }
    .cta-panel div:last-child{border-bottom:0}
    .site-footer{
      padding:64px 0 30px;
      background:linear-gradient(135deg,#2E1065,#3B0764 56%,#581C87);
      color:#EDE9FE;
      margin-top:70px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .7fr .7fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      color:#fff;
      font-size:20px;
    }
    .footer-desc{
      max-width:470px;
      margin:18px 0 0;
      color:rgba(237,233,254,.76);
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(237,233,254,.76);
      transition:.2s ease;
    }
    .footer-links a:hover{
      color:#FDBA74;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:42px;
      padding-top:22px;
      border-top:1px solid rgba(233,213,255,.16);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:rgba(237,233,254,.66);
      font-size:14px;
    }
    @media (max-width:1080px){
      .desktop-nav,.nav-actions{display:none}
      .mobile-toggle{display:inline-flex;align-items:center;justify-content:center}
      .mobile-panel.open{display:block}
      .hero-grid,.pain-layout,.solution-box,.scene-grid,.faq-grid,.contact-cta{
        grid-template-columns:1fr;
      }
      .feature-grid,.metric-grid{grid-template-columns:repeat(2,1fr)}
      .quote-grid{grid-template-columns:1fr}
      .quote-card:nth-child(2){margin-top:0}
      .solution-image{min-height:360px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .nav-wrap{min-height:68px}
      .section{padding:62px 0}
      .hero{padding:56px 0 38px}
      .section-head{display:block}
      .visual-image{min-height:360px}
      .dash-grid{grid-template-columns:1fr}
      .feature-grid,.metric-grid{grid-template-columns:1fr}
      .contact-cta{padding:26px}
      .cta-panel{min-width:0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .btn{width:100%}
      .hero-actions{gap:10px}
      .pain-main,.metric-wrap{padding:22px}
      .issue-item,.feature-card,.quote-card,.faq-item,.scene-card{padding:20px}
      .ticket{align-items:flex-start;flex-direction:column}
      .mobile-menu .nav-link{width:100%;justify-content:flex-start}
      .command-search{min-width:0}
    }