/* roulang page: index */
:root{
      --ink:#121114;
      --ink-soft:#29252e;
      --text:#4b4650;
      --muted:#837c89;
      --brand:#7c3aed;
      --brand-2:#a855f7;
      --lime:#b9ff66;
      --cyan:#7ef9d7;
      --sand:#f6f1ea;
      --mist:#faf8f5;
      --card:#ffffff;
      --line:#e8e1da;
      --line-dark:rgba(18,17,20,.1);
      --shadow:0 20px 60px rgba(18,17,20,.08);
      --shadow-strong:0 28px 80px rgba(18,17,20,.14);
      --radius-sm:14px;
      --radius:24px;
      --radius-lg:32px;
      --nav-h:78px;
      --container:1200px;
      --ease:all .28s ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      background:var(--mist);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--brand)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(124,58,237,.18);color:var(--ink)}
    .container{max-width:var(--container)}
    .section{padding:104px 0;position:relative}
    .section-tight{padding:76px 0}
    .section-title{
      font-size:clamp(2rem,4vw,2.85rem);
      line-height:1.18;
      letter-spacing:-.04em;
      color:var(--ink);
      font-weight:800;
      margin:0;
    }
    .section-lead{
      color:var(--muted);
      font-size:1.05rem;
      max-width:680px;
      margin:18px 0 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(124,58,237,.09);
      color:var(--brand);
      font-size:.88rem;
      font-weight:700;
      letter-spacing:.02em;
      border:1px solid rgba(124,58,237,.12);
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 5px rgba(185,255,102,.22);
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1040;
      background:rgba(250,248,245,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(232,225,218,.82);
      transition:var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 12px 40px rgba(18,17,20,.08)}
    .navbar{
      min-height:var(--nav-h);
      padding:0;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:800;
      color:var(--ink);
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:
        radial-gradient(circle at 30% 20%, rgba(185,255,102,.5), transparent 28%),
        linear-gradient(135deg,var(--ink),var(--brand));
      box-shadow:0 14px 30px rgba(124,58,237,.22);
      font-size:1rem;
      line-height:1;
    }
    .brand-name{font-size:1.12rem}
    .navbar-nav{
      gap:8px;
      align-items:center;
    }
    .nav-link{
      color:var(--ink-soft);
      font-weight:700;
      padding:10px 16px!important;
      border-radius:999px;
      position:relative;
    }
    .nav-link:hover{
      color:var(--brand);
      background:rgba(124,58,237,.08);
    }
    .nav-link.active{
      color:var(--brand)!important;
      background:#f1e8ff;
    }
    .nav-link.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:99px;
      background:var(--brand);
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:9px 11px;
      box-shadow:none!important;
      background:#fff;
    }
    .navbar-toggler:focus{outline:3px solid rgba(124,58,237,.14)}
    .nav-actions{
      display:flex;
      gap:12px;
      align-items:center;
      margin-left:18px;
    }
    .search-pill{
      width:210px;
      height:44px;
      border:1px solid transparent;
      border-radius:999px;
      padding:0 16px;
      background:var(--sand);
      color:var(--ink);
      outline:none;
      transition:var(--ease);
    }
    .search-pill::placeholder{color:var(--muted)}
    .search-pill:focus{
      border-color:rgba(124,58,237,.45);
      background:#fff;
      box-shadow:0 0 0 5px rgba(124,58,237,.11);
    }

    .btn-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 24px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      letter-spacing:-.01em;
      transition:var(--ease);
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary-custom{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      box-shadow:0 16px 34px rgba(124,58,237,.22);
    }
    .btn-primary-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 48px rgba(124,58,237,.3);
      filter:saturate(1.08);
    }
    .btn-dark-custom{
      color:#fff;
      background:var(--ink);
      box-shadow:0 16px 34px rgba(18,17,20,.18);
    }
    .btn-dark-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      background:#211d25;
      box-shadow:0 22px 48px rgba(18,17,20,.24);
    }
    .btn-light-custom{
      color:var(--ink);
      background:#fff;
      border-color:var(--line);
      box-shadow:0 10px 30px rgba(18,17,20,.05);
    }
    .btn-light-custom:hover{
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.35);
      background:#fbf7ff;
      color:var(--brand);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--ink);
      font-weight:800;
    }
    .text-link:hover{color:var(--brand);gap:12px}

    .hero{
      position:relative;
      min-height:calc(100vh - var(--nav-h));
      padding:92px 0 84px;
      background:
        radial-gradient(circle at 12% 18%, rgba(124,58,237,.16), transparent 32%),
        radial-gradient(circle at 84% 14%, rgba(185,255,102,.18), transparent 24%),
        linear-gradient(180deg,#fbf8f4 0%,#f6f1ea 100%);
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.42;
      background-image:
        linear-gradient(rgba(18,17,20,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(18,17,20,.045) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 78%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:680px;
      height:680px;
      right:-240px;
      top:70px;
      border:1px solid rgba(124,58,237,.14);
      border-radius:50%;
      box-shadow:inset 0 0 0 38px rgba(124,58,237,.035), inset 0 0 0 92px rgba(255,255,255,.18);
      pointer-events:none;
    }
    .hero-content{position:relative;z-index:2}
    .hero h1{
      color:var(--ink);
      font-size:clamp(2.6rem,6vw,4.3rem);
      line-height:1.08;
      letter-spacing:-.065em;
      font-weight:850;
      margin:22px 0 22px;
    }
    .hero h1 .highlight{
      color:var(--brand);
      position:relative;
      display:inline-block;
    }
    .hero h1 .highlight::after{
      content:"";
      position:absolute;
      left:4px;
      right:4px;
      bottom:4px;
      height:11px;
      background:rgba(185,255,102,.65);
      z-index:-1;
      border-radius:999px;
    }
    .hero-subtitle{
      font-size:1.12rem;
      color:var(--text);
      max-width:630px;
      margin:0;
    }
    .hero-actions{
      display:flex;
      gap:14px;
      flex-wrap:wrap;
      margin-top:34px;
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:40px;
      max-width:660px;
    }
    .trust-item{
      padding:18px 18px;
      border:1px solid rgba(18,17,20,.08);
      background:rgba(255,255,255,.68);
      border-radius:20px;
      backdrop-filter:blur(10px);
    }
    .trust-item strong{
      display:block;
      color:var(--ink);
      font-size:1rem;
      line-height:1.35;
    }
    .trust-item span{
      color:var(--muted);
      font-size:.9rem;
    }
    .hero-visual{
      position:relative;
      z-index:2;
    }
    .stage-card{
      position:relative;
      border-radius:var(--radius-lg);
      padding:12px;
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      box-shadow:var(--shadow-strong);
      transform:rotate(1.5deg);
    }
    .stage-card img{
      width:100%;
      height:520px;
      object-fit:cover;
      border-radius:26px;
    }
    .stage-card::after{
      content:"";
      position:absolute;
      inset:12px;
      border-radius:26px;
      background:linear-gradient(180deg,transparent 42%,rgba(18,17,20,.62));
      pointer-events:none;
    }
    .floating-panel{
      position:absolute;
      left:-18px;
      bottom:34px;
      z-index:4;
      width:min(310px,70%);
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:0 24px 60px rgba(18,17,20,.16);
    }
    .floating-panel .mini-title{
      color:var(--ink);
      font-weight:850;
      margin:0 0 5px;
    }
    .progress-line{
      display:flex;
      gap:7px;
      margin-top:14px;
    }
    .progress-line i{
      display:block;
      height:7px;
      flex:1;
      border-radius:99px;
      background:#ece6de;
    }
    .progress-line i:nth-child(1),
    .progress-line i:nth-child(2){
      background:linear-gradient(90deg,var(--brand),var(--lime));
    }

    .pain-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:48px;
      align-items:start;
    }
    .pain-list{
      display:grid;
      gap:16px;
    }
    .pain-item{
      display:grid;
      grid-template-columns:56px 1fr;
      gap:18px;
      padding:22px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 14px 40px rgba(18,17,20,.045);
      transition:var(--ease);
    }
    .pain-item:hover{
      transform:translateY(-4px);
      border-color:rgba(124,58,237,.28);
      box-shadow:var(--shadow);
    }
    .pain-no{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      font-weight:850;
      color:var(--brand);
      background:#f1e8ff;
    }
    .pain-item h3{
      margin:0 0 5px;
      color:var(--ink);
      font-size:1.18rem;
      font-weight:850;
    }
    .pain-item p{margin:0;color:var(--muted);font-size:.98rem}

    .category-entry{
      background:var(--ink);
      color:#fff;
      border-radius:34px;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow-strong);
    }
    .category-entry::before{
      content:"";
      position:absolute;
      right:-100px;
      top:-120px;
      width:330px;
      height:330px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(124,58,237,.55),transparent 66%);
    }
    .category-entry .row{position:relative;z-index:2}
    .category-copy{
      padding:46px;
    }
    .category-copy h2{
      margin:14px 0 12px;
      color:#fff;
      font-weight:850;
      letter-spacing:-.04em;
      font-size:clamp(1.8rem,3.5vw,2.55rem);
      line-height:1.18;
    }
    .category-copy p{color:rgba(255,255,255,.72);margin:0 0 24px}
    .category-image{
      min-height:330px;
      height:100%;
      position:relative;
      overflow:hidden;
    }
    .category-image img{
      width:100%;
      height:100%;
      min-height:330px;
      object-fit:cover;
      transition:var(--ease);
    }
    .category-entry:hover .category-image img{transform:scale(1.04)}
    .dark-badge{
      display:inline-flex;
      padding:7px 12px;
      border-radius:999px;
      color:var(--lime);
      border:1px solid rgba(185,255,102,.28);
      background:rgba(185,255,102,.08);
      font-size:.86rem;
      font-weight:800;
    }

    .solution{
      background:#fff;
    }
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      position:relative;
      margin-top:46px;
    }
    .process::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:38px;
      height:2px;
      background:linear-gradient(90deg,rgba(124,58,237,.4),rgba(185,255,102,.65),rgba(124,58,237,.16));
      z-index:0;
    }
    .process-step{
      position:relative;
      z-index:1;
      padding:26px;
      border-radius:26px;
      background:var(--mist);
      border:1px solid var(--line);
      transition:var(--ease);
    }
    .process-step:hover{
      transform:translateY(-4px);
      border-color:rgba(124,58,237,.35);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .step-icon{
      width:76px;
      height:76px;
      border-radius:24px;
      background:#fff;
      display:grid;
      place-items:center;
      color:var(--brand);
      font-weight:900;
      font-size:1.16rem;
      border:1px solid rgba(124,58,237,.14);
      box-shadow:0 14px 28px rgba(124,58,237,.08);
      margin-bottom:22px;
    }
    .process-step.featured .step-icon{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
    }
    .process-step h3{
      color:var(--ink);
      font-size:1.16rem;
      font-weight:850;
      margin:0 0 8px;
    }
    .process-step p{margin:0;color:var(--muted);font-size:.96rem}

    .bento-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr .82fr;
      grid-auto-rows:minmax(190px,auto);
      gap:20px;
      margin-top:46px;
    }
    .bento-card{
      border-radius:28px;
      padding:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 16px 44px rgba(18,17,20,.055);
      transition:var(--ease);
      overflow:hidden;
      position:relative;
    }
    .bento-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.25);
    }
    .bento-large{
      grid-row:span 2;
      background:
        radial-gradient(circle at 80% 10%, rgba(124,58,237,.48), transparent 32%),
        var(--ink);
      color:#fff;
    }
    .bento-card h3{
      color:var(--ink);
      font-size:1.38rem;
      line-height:1.28;
      font-weight:850;
      margin:12px 0 10px;
    }
    .bento-large h3{color:#fff;font-size:2rem}
    .bento-card p{color:var(--muted);margin:0}
    .bento-large p{color:rgba(255,255,255,.72)}
    .bento-kicker{
      display:inline-flex;
      padding:7px 11px;
      border-radius:999px;
      font-size:.82rem;
      font-weight:800;
      color:var(--brand);
      background:#f1e8ff;
    }
    .bento-large .bento-kicker{
      color:var(--lime);
      background:rgba(185,255,102,.1);
      border:1px solid rgba(185,255,102,.18);
    }
    .bento-mark{
      position:absolute;
      right:24px;
      bottom:18px;
      font-size:5.6rem;
      line-height:1;
      font-weight:900;
      color:rgba(255,255,255,.08);
      letter-spacing:-.08em;
    }

    .gallery{
      background:linear-gradient(180deg,#fff 0%,var(--mist) 100%);
    }
    .gallery-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      margin-top:46px;
      align-items:stretch;
    }
    .image-tile{
      position:relative;
      border-radius:30px;
      overflow:hidden;
      min-height:330px;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.7);
      background:#ddd;
    }
    .image-tile img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:var(--ease);
    }
    .image-tile:hover img{transform:scale(1.04)}
    .image-tile::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(18,17,20,.68));
    }
    .image-label{
      position:absolute;
      left:22px;
      right:22px;
      bottom:20px;
      z-index:2;
      color:#fff;
    }
    .image-label strong{
      display:block;
      font-size:1.16rem;
      font-weight:850;
      margin-bottom:4px;
    }
    .image-label span{color:rgba(255,255,255,.72);font-size:.94rem}
    .gallery-side{
      display:grid;
      gap:22px;
    }
    .gallery-side .image-tile{min-height:245px}
    .gallery-side .image-tile:nth-child(2){transform:translateX(18px)}

    .testimonial-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:22px;
      margin-top:46px;
    }
    .quote-card{
      padding:28px;
      border-radius:28px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 16px 44px rgba(18,17,20,.055);
      transition:var(--ease);
    }
    .quote-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.25);
    }
    .quote-card p{
      margin:0;
      color:var(--text);
      font-size:1.03rem;
    }
    .quote-meta{
      display:flex;
      gap:12px;
      align-items:center;
      margin-top:24px;
    }
    .avatar{
      width:46px;
      height:46px;
      border-radius:50%;
      display:grid;
      place-items:center;
      font-weight:900;
      color:#fff;
      background:linear-gradient(135deg,var(--ink),var(--brand));
    }
    .quote-meta strong{display:block;color:var(--ink);line-height:1.2}
    .quote-meta span{color:var(--muted);font-size:.9rem}

    .faq-section{
      background:#fff;
    }
    .accordion{
      margin-top:42px;
      display:grid;
      gap:14px;
    }
    .accordion-item{
      border:1px solid var(--line)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 12px 36px rgba(18,17,20,.045);
    }
    .accordion-button{
      padding:22px 24px;
      color:var(--ink);
      font-weight:850;
      background:#fff;
      border:0;
      box-shadow:none!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--brand);
      background:#fbf7ff;
      box-shadow:none;
    }
    .accordion-button:focus{
      box-shadow:0 0 0 4px rgba(124,58,237,.12)!important;
      border-color:transparent;
    }
    .accordion-body{
      padding:0 24px 24px;
      color:var(--muted);
      background:#fbf7ff;
    }

    .final-cta{
      padding:96px 0;
      background:var(--mist);
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:58px;
      color:#fff;
      background:
        radial-gradient(circle at 18% 25%, rgba(124,58,237,.58), transparent 32%),
        radial-gradient(circle at 86% 10%, rgba(185,255,102,.2), transparent 22%),
        var(--ink);
      box-shadow:var(--shadow-strong);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:38px 38px;
      opacity:.45;
    }
    .cta-panel > *{position:relative;z-index:2}
    .cta-panel h2{
      color:#fff;
      font-size:clamp(2rem,4.6vw,3.3rem);
      line-height:1.12;
      font-weight:850;
      letter-spacing:-.055em;
      margin:0;
      max-width:820px;
    }
    .cta-panel p{
      margin:18px 0 30px;
      max-width:650px;
      color:rgba(255,255,255,.72);
    }
    .cta-actions{display:flex;gap:14px;flex-wrap:wrap}
    .cta-panel .btn-light-custom:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}

    .site-footer{
      background:var(--ink);
      color:rgba(255,255,255,.72);
      padding:70px 0 30px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.15fr .85fr .85fr .9fr;
      gap:34px;
      padding-bottom:42px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:1.16rem;
      font-weight:850;
      margin-bottom:16px;
    }
    .footer-logo .brand-mark{width:40px;height:40px}
    .footer-desc{max-width:330px;margin:0;color:rgba(255,255,255,.62)}
    .footer-col h3{
      color:#fff;
      font-size:1rem;
      font-weight:850;
      margin:0 0 14px;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.62);
    }
    .footer-links a:hover{
      color:var(--lime);
      padding-left:4px;
    }
    .footer-contact{
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
    }
    .footer-contact strong{display:block;color:#fff;margin-bottom:4px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:26px;
      font-size:.92rem;
      color:rgba(255,255,255,.5);
    }

    @media (max-width:1199.98px){
      .stage-card img{height:460px}
      .bento-grid{grid-template-columns:1fr 1fr}
      .bento-large{grid-column:span 2;grid-row:auto}
      .footer-top{grid-template-columns:1fr 1fr}
    }
    @media (max-width:991.98px){
      :root{--nav-h:68px}
      .navbar-collapse{
        margin-top:12px;
        padding:16px;
        border-radius:24px;
        background:#fff;
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch;gap:4px}
      .nav-actions{
        margin-left:0;
        margin-top:12px;
        flex-direction:column;
        align-items:stretch;
      }
      .search-pill{width:100%}
      .hero{padding:72px 0}
      .stage-card{margin-top:36px;transform:none}
      .stage-card img{height:420px}
      .pain-wrap{grid-template-columns:1fr;gap:30px}
      .process{grid-template-columns:1fr 1fr}
      .process::before{display:none}
      .gallery-grid{grid-template-columns:1fr}
      .gallery-side{grid-template-columns:1fr 1fr}
      .gallery-side .image-tile:nth-child(2){transform:none}
      .testimonial-grid{grid-template-columns:1fr}
      .section{padding:76px 0}
    }
    @media (max-width:767.98px){
      .hero h1{letter-spacing:-.045em}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn-custom{width:100%;min-height:48px}
      .trust-row{grid-template-columns:1fr}
      .floating-panel{left:14px;bottom:18px}
      .stage-card img{height:350px}
      .category-copy{padding:30px}
      .process{grid-template-columns:1fr}
      .bento-grid{grid-template-columns:1fr}
      .bento-large{grid-column:auto}
      .gallery-side{grid-template-columns:1fr}
      .image-tile,.gallery-side .image-tile{min-height:260px}
      .cta-panel{padding:36px 24px;border-radius:28px}
      .footer-top{grid-template-columns:1fr}
      .footer-bottom{display:grid}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-name{font-size:1rem}
      .section{padding:62px 0}
      .hero{padding:58px 0}
      .pain-item{grid-template-columns:1fr;padding:20px}
      .stage-card img{height:300px}
      .floating-panel{position:relative;left:auto;bottom:auto;width:100%;margin-top:14px}
      .category-image,.category-image img{min-height:240px}
    }

/* roulang page: category1 */
:root{
      --ink:#121114;
      --ink-2:#242128;
      --text:#4B4650;
      --muted:#837C89;
      --line:#E8E1DA;
      --soft:#FAF8F5;
      --sand:#F6F1EA;
      --card:#FFFFFF;
      --purple:#7C3AED;
      --purple-2:#A855F7;
      --purple-soft:#F1E8FF;
      --lime:#B9FF66;
      --cyan:#7EF9D7;
      --shadow:0 20px 60px rgba(18,17,20,.08);
      --shadow-strong:0 28px 80px rgba(18,17,20,.14);
      --radius-lg:30px;
      --radius-md:22px;
      --radius-sm:16px;
      --container:1200px;
      --ease:.28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,Helvetica Neue,Arial,sans-serif;
      color:var(--text);
      background:var(--soft);
      line-height:1.75;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(124,58,237,.18);color:var(--ink)}
    .container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(250,248,245,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(18,17,20,.08);
      transition:box-shadow var(--ease),background var(--ease);
    }
    .site-header.is-scrolled{box-shadow:0 12px 38px rgba(18,17,20,.08);background:rgba(255,255,255,.94)}
    .navbar{min-height:78px;padding:0}
    .brand-logo{
      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:14px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:900;
      letter-spacing:-.06em;
      background:
        radial-gradient(circle at 76% 18%,rgba(185,255,102,.95) 0 12%,transparent 13%),
        linear-gradient(135deg,var(--ink) 0%,#2b173d 52%,var(--purple) 100%);
      box-shadow:0 14px 32px rgba(124,58,237,.22);
    }
    .brand-name{font-size:20px}
    .navbar-nav{gap:8px;align-items:center}
    .nav-link{
      position:relative;
      color:var(--ink)!important;
      font-weight:650;
      font-size:15px;
      padding:10px 14px!important;
      border-radius:999px;
    }
    .nav-link:hover,.nav-link:focus{color:var(--purple)!important;background:rgba(124,58,237,.08)}
    .nav-link.active{color:var(--purple)!important;background:var(--purple-soft)}
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:2px;
      border-radius:999px;
      background:var(--purple);
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .search-pill{
      width:210px;
      height:44px;
      border:1px solid rgba(18,17,20,.08);
      background:var(--sand);
      border-radius:999px;
      padding:0 18px;
      color:var(--ink);
      outline:none;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .search-pill::placeholder{color:var(--muted)}
    .search-pill:focus{
      border-color:rgba(124,58,237,.55);
      box-shadow:0 0 0 4px rgba(124,58,237,.12);
      background:#fff;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      padding:8px 10px;
      box-shadow:none!important;
    }
    .navbar-toggler-icon{
      width:1.35em;
      height:1.35em;
      background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2818,17,20,.88%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M5 8h20M5 15h20M5 22h20'/%3e%3c/svg%3e");
    }
    .btn-custom{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:46px;
      padding:12px 24px;
      border-radius:999px;
      font-weight:750;
      border:1px solid transparent;
      line-height:1.2;
      white-space:nowrap;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn-primary-custom{
      background:linear-gradient(135deg,var(--purple),var(--purple-2));
      color:#fff!important;
      box-shadow:0 16px 34px rgba(124,58,237,.24);
    }
    .btn-primary-custom:hover,.btn-primary-custom:focus{
      transform:translateY(-2px);
      box-shadow:0 22px 48px rgba(124,58,237,.34);
      background:linear-gradient(135deg,#6D28D9,var(--purple));
    }
    .btn-dark-custom{
      background:var(--ink);
      color:#fff!important;
      box-shadow:0 18px 38px rgba(18,17,20,.18);
    }
    .btn-dark-custom:hover{transform:translateY(-2px);box-shadow:0 24px 52px rgba(18,17,20,.25)}
    .btn-light-custom{
      background:#fff;
      border-color:rgba(18,17,20,.1);
      color:var(--ink)!important;
    }
    .btn-light-custom:hover{
      transform:translateY(-2px);
      border-color:rgba(124,58,237,.34);
      background:var(--purple-soft);
      color:var(--purple)!important;
      box-shadow:0 16px 38px rgba(18,17,20,.08);
    }
    main{position:relative}
    .section{padding:96px 0}
    .section-tight{padding:74px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border-radius:999px;
      background:rgba(124,58,237,.09);
      color:var(--purple);
      font-weight:750;
      font-size:13px;
      margin-bottom:18px;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 5px rgba(185,255,102,.22);
    }
    h1,h2,h3{color:var(--ink);letter-spacing:-.045em;margin:0}
    h1{font-size:clamp(38px,5.2vw,62px);line-height:1.1;font-weight:850}
    h2{font-size:clamp(28px,3.6vw,44px);line-height:1.22;font-weight:820}
    h3{font-size:22px;line-height:1.32;font-weight:780}
    p{margin:0}
    .lead{
      font-size:18px;
      color:var(--text);
      line-height:1.85;
      margin-top:22px;
      max-width:690px;
    }
    .highlight{color:var(--purple)}
    .page-hero{
      position:relative;
      overflow:hidden;
      padding:70px 0 82px;
      background:
        radial-gradient(circle at 72% 15%,rgba(168,85,247,.16),transparent 34%),
        radial-gradient(circle at 15% 80%,rgba(185,255,102,.16),transparent 28%),
        linear-gradient(180deg,#fff 0%,var(--soft) 100%);
    }
    .page-hero:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.42;
      background-image:
        linear-gradient(rgba(18,17,20,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(18,17,20,.045) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
      pointer-events:none;
    }
    .hero-inner{position:relative;z-index:1}
    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:22px;
      font-size:14px;
      color:var(--muted);
    }
    .breadcrumb-wrap a{color:var(--text);font-weight:650}
    .breadcrumb-wrap a:hover{color:var(--purple)}
    .breadcrumb-current{color:var(--purple);font-weight:750}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .overview-card{
      position:relative;
      padding:18px;
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      border-radius:34px;
      box-shadow:var(--shadow);
    }
    .overview-image{
      position:relative;
      border-radius:26px;
      overflow:hidden;
      min-height:340px;
      background:var(--ink);
    }
    .overview-image img{
      width:100%;
      height:390px;
      object-fit:cover;
      transform:scale(1.01);
    }
    .overview-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(18,17,20,.08) 0%,rgba(18,17,20,.72) 100%);
    }
    .floating-summary{
      position:absolute;
      left:34px;
      right:34px;
      bottom:34px;
      z-index:2;
      display:grid;
      gap:12px;
    }
    .summary-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:14px 16px;
      border:1px solid rgba(255,255,255,.18);
      border-radius:18px;
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(12px);
      color:#fff;
    }
    .summary-row span{font-size:14px;color:rgba(255,255,255,.72)}
    .summary-row strong{font-size:15px}
    .filter-bar{
      position:relative;
      z-index:2;
      margin-top:-28px;
    }
    .filter-shell{
      display:flex;
      gap:10px;
      overflow-x:auto;
      padding:14px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(18,17,20,.08);
      border-radius:999px;
      box-shadow:0 18px 48px rgba(18,17,20,.08);
      backdrop-filter:blur(14px);
      scrollbar-width:none;
    }
    .filter-shell::-webkit-scrollbar{display:none}
    .filter-pill{
      flex:0 0 auto;
      padding:10px 18px;
      border-radius:999px;
      border:1px solid rgba(18,17,20,.1);
      background:#fff;
      color:var(--ink);
      font-size:14px;
      font-weight:750;
      white-space:nowrap;
    }
    .filter-pill:hover{border-color:rgba(124,58,237,.36);color:var(--purple);background:var(--purple-soft)}
    .filter-pill.active{background:var(--ink);color:#fff;border-color:var(--ink)}
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:30px;
      align-items:start;
    }
    .feature-card{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      box-shadow:var(--shadow);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(124,58,237,.32);
    }
    .feature-media{
      position:relative;
      overflow:hidden;
      height:360px;
      background:var(--sand);
    }
    .feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
    .feature-card:hover .feature-media img{transform:scale(1.04)}
    .feature-media:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 28%,rgba(18,17,20,.72) 100%);
    }
    .feature-label{
      position:absolute;
      top:22px;
      left:22px;
      z-index:2;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.9);
      color:var(--purple);
      font-weight:800;
      font-size:13px;
    }
    .feature-caption{
      position:absolute;
      left:28px;
      right:28px;
      bottom:26px;
      z-index:2;
      color:#fff;
    }
    .feature-caption h2{color:#fff;font-size:34px}
    .feature-caption p{margin-top:12px;color:rgba(255,255,255,.82);font-size:16px;max-width:680px}
    .feature-body{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:24px 28px 28px;
    }
    .tag-list{display:flex;gap:8px;flex-wrap:wrap}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:999px;
      background:var(--sand);
      color:var(--text);
      font-size:12px;
      font-weight:720;
    }
    .tag.purple{background:var(--purple-soft);color:var(--purple)}
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--ink);
      font-weight:820;
      white-space:nowrap;
    }
    .text-link:hover{color:var(--purple);transform:translateX(2px)}
    .guide-list{
      display:grid;
      gap:18px;
      margin-top:22px;
    }
    .guide-card{
      display:grid;
      grid-template-columns:180px minmax(0,1fr);
      gap:20px;
      padding:16px;
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      border-radius:24px;
      box-shadow:0 14px 44px rgba(18,17,20,.055);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .guide-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(124,58,237,.28);
    }
    .guide-thumb{
      overflow:hidden;
      border-radius:18px;
      min-height:132px;
      background:var(--sand);
    }
    .guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
    .guide-card:hover .guide-thumb img{transform:scale(1.045)}
    .guide-content{padding:4px 6px 2px 0}
    .guide-meta{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:9px;
    }
    .mini-badge{
      display:inline-flex;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:760;
      color:var(--purple);
      background:var(--purple-soft);
    }
    .read-time{font-size:13px;color:var(--muted)}
    .guide-card h3{font-size:21px;margin-bottom:8px;transition:color var(--ease)}
    .guide-card:hover h3{color:var(--purple)}
    .guide-card p{font-size:15px;color:var(--text);line-height:1.72;margin-bottom:13px}
    .sidebar{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:24px;
      border-radius:26px;
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      box-shadow:0 16px 46px rgba(18,17,20,.06);
    }
    .side-card.dark{
      color:#fff;
      background:
        radial-gradient(circle at 92% 12%,rgba(126,249,215,.18),transparent 28%),
        linear-gradient(145deg,var(--ink) 0%,#23142f 100%);
      border-color:rgba(255,255,255,.1);
    }
    .side-card h3{font-size:20px;margin-bottom:12px}
    .side-card.dark h3{color:#fff}
    .side-card p{font-size:15px;color:var(--muted)}
    .side-card.dark p{color:rgba(255,255,255,.72)}
    .quick-list{display:grid;gap:12px;margin-top:18px}
    .quick-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:17px;
      background:var(--soft);
      border:1px solid rgba(18,17,20,.06);
    }
    .quick-dot{
      width:26px;
      height:26px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:var(--purple);
      background:var(--purple-soft);
      font-weight:900;
      font-size:13px;
    }
    .quick-item strong{display:block;color:var(--ink);font-size:14px;line-height:1.4}
    .quick-item span{display:block;margin-top:2px;color:var(--muted);font-size:13px;line-height:1.55}
    .keyword-cloud{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
    .keyword-cloud a{
      padding:8px 12px;
      border-radius:999px;
      background:var(--sand);
      color:var(--text);
      font-size:13px;
      font-weight:720;
    }
    .keyword-cloud a:hover{background:var(--purple-soft);color:var(--purple);transform:translateY(-1px)}
    .process-section{
      background:#fff;
      border-top:1px solid rgba(18,17,20,.06);
      border-bottom:1px solid rgba(18,17,20,.06);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:36px;
    }
    .section-head p{max-width:560px;color:var(--muted)}
    .step-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .step-card{
      position:relative;
      min-height:230px;
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(18,17,20,.08);
      background:linear-gradient(180deg,#fff 0%,var(--soft) 100%);
      overflow:hidden;
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    }
    .step-card:hover{transform:translateY(-4px);border-color:rgba(124,58,237,.28);box-shadow:var(--shadow)}
    .step-card:before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:44px;
      height:44px;
      border-radius:16px;
      background:var(--ink);
      color:#fff;
      font-weight:850;
      margin-bottom:24px;
    }
    .step-card:nth-child(2):before{background:var(--purple)}
    .step-card h3{font-size:20px;margin-bottom:10px}
    .step-card p{font-size:15px;color:var(--muted)}
    .step-card:after{
      content:"";
      position:absolute;
      right:-34px;
      bottom:-34px;
      width:96px;
      height:96px;
      border-radius:50%;
      background:rgba(124,58,237,.08);
    }
    .scenario-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .scenario-panel{
      min-height:430px;
      padding:34px;
      border-radius:32px;
      background:
        linear-gradient(180deg,rgba(18,17,20,.12),rgba(18,17,20,.76)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      overflow:hidden;
      position:relative;
    }
    .scenario-panel h2{color:#fff;max-width:620px}
    .scenario-panel p{max-width:650px;margin-top:16px;color:rgba(255,255,255,.78)}
    .scenario-stack{display:grid;gap:18px}
    .scenario-mini{
      padding:26px;
      border-radius:28px;
      background:#fff;
      border:1px solid rgba(18,17,20,.08);
      box-shadow:0 16px 44px rgba(18,17,20,.06);
    }
    .scenario-mini h3{font-size:21px;margin-bottom:8px}
    .scenario-mini p{color:var(--muted);font-size:15px}
    .scenario-mini.accent{background:var(--ink);color:#fff}
    .scenario-mini.accent h3{color:#fff}
    .scenario-mini.accent p{color:rgba(255,255,255,.72)}
    .faq-wrap{max-width:900px;margin:0 auto}
    .accordion{display:grid;gap:12px}
    .accordion-item{
      border:1px solid rgba(18,17,20,.08)!important;
      border-radius:20px!important;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 34px rgba(18,17,20,.045);
    }
    .accordion-button{
      padding:20px 22px;
      color:var(--ink);
      font-weight:800;
      background:#fff!important;
      box-shadow:none!important;
      border:0!important;
      line-height:1.45;
    }
    .accordion-button:not(.collapsed){
      color:var(--purple);
      background:linear-gradient(90deg,rgba(124,58,237,.1),rgba(124,58,237,.02))!important;
    }
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(124,58,237,.12)!important}
    .accordion-button::after{filter:grayscale(1);opacity:.55}
    .accordion-body{
      padding:0 22px 22px;
      color:var(--text);
      line-height:1.8;
    }
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:42px;
      background:
        radial-gradient(circle at 88% 18%,rgba(185,255,102,.2),transparent 25%),
        radial-gradient(circle at 18% 92%,rgba(168,85,247,.32),transparent 30%),
        var(--ink);
      color:#fff;
    }
    .cta-band:before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.14;
      background-image:linear-gradient(90deg,rgba(255,255,255,.25) 1px,transparent 1px);
      background-size:52px 52px;
      pointer-events:none;
    }
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-band h2{color:#fff;max-width:650px}
    .cta-band p{margin-top:14px;max-width:680px;color:rgba(255,255,255,.72)}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{
      background:var(--ink);
      color:rgba(255,255,255,.72);
      padding:70px 0 28px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.25fr .8fr .8fr 1fr;
      gap:36px;
      padding-bottom:42px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:850;
      margin-bottom:16px;
    }
    .footer-desc{max-width:360px;color:rgba(255,255,255,.62);font-size:15px}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:16px;letter-spacing:0}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
    .footer-links a{color:rgba(255,255,255,.62);font-size:14px}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .footer-contact{
      display:grid;
      gap:6px;
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.08);
    }
    .footer-contact strong{color:#fff}
    .footer-contact span{font-size:14px;color:rgba(255,255,255,.58)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:24px;
      font-size:13px;
      color:rgba(255,255,255,.5);
    }
    @media (max-width:1199px){
      .content-layout{grid-template-columns:minmax(0,1fr) 290px}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .footer-top{grid-template-columns:1fr 1fr}
    }
    @media (max-width:991px){
      .navbar{min-height:68px;padding:10px 0}
      .navbar-collapse{
        margin-top:12px;
        padding:16px;
        border:1px solid rgba(18,17,20,.08);
        border-radius:24px;
        background:#fff;
        box-shadow:var(--shadow);
      }
      .navbar-nav{align-items:stretch;gap:4px}
      .nav-actions{align-items:stretch;flex-direction:column;margin-top:12px}
      .search-pill{width:100%}
      .content-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(3,1fr)}
      .page-hero{padding:52px 0 74px}
      .overview-card{margin-top:34px}
      .scenario-grid{grid-template-columns:1fr}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:767px){
      .section{padding:68px 0}
      .section-tight{padding:56px 0}
      .lead{font-size:16px}
      .filter-shell{border-radius:24px}
      .feature-media{height:300px}
      .feature-caption{left:22px;right:22px;bottom:22px}
      .feature-caption h2{font-size:26px}
      .feature-body{align-items:flex-start;flex-direction:column;padding:22px}
      .guide-card{grid-template-columns:1fr;padding:14px}
      .guide-thumb{min-height:190px}
      .guide-content{padding:4px}
      .sidebar{grid-template-columns:1fr}
      .step-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .scenario-panel{min-height:360px;padding:26px}
      .cta-band{padding:30px 24px;border-radius:28px}
      .footer-top{grid-template-columns:1fr;gap:28px}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      h1{font-size:36px}
      .brand-name{font-size:18px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .hero-actions,.cta-actions{flex-direction:column;width:100%}
      .btn-custom{width:100%;min-height:48px}
      .overview-image img{height:320px}
      .floating-summary{left:22px;right:22px;bottom:22px}
      .summary-row{align-items:flex-start;flex-direction:column;gap:3px}
      .filter-bar{margin-top:-18px}
      .filter-shell{padding:10px}
      .feature-media{height:260px}
      .guide-thumb{min-height:160px}
    }