/* roulang page: index */
:root{
      --bg:#fbf6ef;
      --bg-soft:#f6ede3;
      --surface:#fffaf5;
      --surface-strong:#ffffff;
      --primary:#b86f64;
      --primary-dark:#8e4f56;
      --primary-soft:#f0d5cf;
      --secondary:#4b3340;
      --accent:#d99583;
      --text:#2c2326;
      --muted:#75676b;
      --muted-2:#9a8b87;
      --border:#eadbd2;
      --border-strong:#dcc6bb;
      --shadow:0 18px 55px rgba(75,51,64,.10);
      --shadow-soft:0 10px 32px rgba(75,51,64,.07);
      --radius-sm:12px;
      --radius:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1200px;
      --ease:all .28s ease;
    }

    *{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(216,149,131,.20), transparent 34%),
        radial-gradient(circle at top right, rgba(142,79,86,.10), transparent 28%),
        var(--bg);
      line-height:1.72;
      font-size:16px;
      overflow-x:hidden;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:var(--ease);
    }
    a:hover{color:var(--primary-dark);}
    img{max-width:100%;display:block;}
    button,input,textarea,select{font:inherit;}
    ::selection{background:var(--primary-soft);color:var(--secondary);}
    .site-container{
      width:min(100% - 40px,var(--container));
      margin-inline:auto;
    }
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:70px 0;}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      background:rgba(255,250,245,.72);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:0 6px 20px rgba(75,51,64,.05);
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:var(--primary);
      box-shadow:0 0 0 4px rgba(184,111,100,.14);
    }
    .section-title{
      margin:18px 0 14px;
      font-size:clamp(30px,4vw,48px);
      line-height:1.15;
      letter-spacing:-.04em;
      font-weight:800;
      color:var(--secondary);
    }
    .section-desc{
      color:var(--muted);
      max-width:720px;
      font-size:17px;
      margin:0;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(251,246,239,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,219,210,.82);
    }
    .navbar-custom{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand-mark{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .brand-symbol{
      width:38px;
      height:38px;
      border-radius:14px;
      background:
        linear-gradient(135deg,var(--primary),var(--primary-dark));
      position:relative;
      box-shadow:0 12px 26px rgba(184,111,100,.24);
    }
    .brand-symbol::before,
    .brand-symbol::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,250,245,.88);
    }
    .brand-symbol::before{
      width:16px;
      height:16px;
      left:8px;
      top:8px;
    }
    .brand-symbol::after{
      width:9px;
      height:9px;
      right:8px;
      bottom:8px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.12;
    }
    .brand-text strong{
      font-size:18px;
      color:var(--secondary);
      letter-spacing:-.02em;
      font-weight:800;
      white-space:nowrap;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted-2);
      margin-top:3px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      padding:10px 15px;
      border-radius:999px;
      color:var(--muted);
      font-size:15px;
      font-weight:700;
    }
    .nav-links a::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:4px;
      height:2px;
      border-radius:999px;
      background:var(--primary);
      transform:scaleX(0);
      transform-origin:left;
      transition:var(--ease);
    }
    .nav-links a:hover{
      color:var(--secondary);
      background:rgba(255,250,245,.72);
    }
    .nav-links a:hover::after,
    .nav-links a.active::after{transform:scaleX(1);}
    .nav-links a.active{
      color:var(--secondary);
      background:rgba(240,213,207,.48);
    }
    .nav-action{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--border);
      background:var(--surface);
      border-radius:14px;
      color:var(--secondary);
      align-items:center;
      justify-content:center;
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      display:block;
      width:18px;
      height:2px;
      background:var(--secondary);
      border-radius:999px;
      position:relative;
      transition:var(--ease);
    }
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      position:absolute;
      left:0;
    }
    .menu-toggle span::before{top:-6px;}
    .menu-toggle span::after{top:6px;}

    .btn-brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:15px;
      border:1px solid transparent;
      background:var(--secondary);
      color:#fff;
      font-weight:800;
      box-shadow:0 14px 32px rgba(75,51,64,.18);
      transition:var(--ease);
      cursor:pointer;
    }
    .btn-brand:hover{
      transform:translateY(-2px);
      background:var(--primary-dark);
      color:#fff;
      box-shadow:0 18px 42px rgba(75,51,64,.22);
    }
    .btn-light-brand{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:15px;
      border:1px solid var(--border-strong);
      background:rgba(255,250,245,.78);
      color:var(--secondary);
      font-weight:800;
      transition:var(--ease);
    }
    .btn-light-brand:hover{
      transform:translateY(-2px);
      border-color:var(--primary);
      color:var(--primary-dark);
      background:#fff;
      box-shadow:var(--shadow-soft);
    }
    .btn-small{
      min-height:40px;
      padding:9px 15px;
      border-radius:13px;
      font-size:14px;
    }
    .btn-brand:focus-visible,
    .btn-light-brand:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    button:focus-visible{
      outline:3px solid rgba(184,111,100,.26);
      outline-offset:3px;
    }

    .hero{
      padding:94px 0 76px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);
      gap:48px;
      align-items:center;
    }
    .hero h1{
      margin:20px 0 20px;
      font-size:clamp(42px,6vw,72px);
      line-height:1.04;
      font-weight:850;
      color:var(--secondary);
      letter-spacing:-.06em;
    }
    .hero h1 .accent{
      color:var(--primary-dark);
      position:relative;
      white-space:nowrap;
    }
    .hero h1 .accent::after{
      content:"";
      position:absolute;
      left:2px;
      right:2px;
      bottom:6px;
      height:12px;
      border-radius:999px;
      background:rgba(216,149,131,.28);
      z-index:-1;
    }
    .hero-lead{
      font-size:18px;
      color:var(--muted);
      max-width:680px;
      margin:0 0 28px;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin:30px 0 26px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .trust-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border:1px solid var(--border);
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,250,245,.66);
      font-size:13px;
      font-weight:700;
    }
    .trust-pill i{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      display:inline-block;
    }

    .visual-panel{
      position:relative;
      min-height:560px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(145deg,rgba(255,250,245,.92),rgba(246,237,227,.72));
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      overflow:hidden;
      padding:28px;
    }
    .visual-panel::before{
      content:"";
      position:absolute;
      width:280px;
      height:280px;
      border-radius:50%;
      right:-96px;
      top:-86px;
      background:rgba(216,149,131,.26);
    }
    .visual-panel::after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      border-radius:50%;
      left:-88px;
      bottom:-80px;
      background:rgba(142,79,86,.12);
    }
    .portrait-abstract{
      position:absolute;
      inset:118px 46px 72px;
      border-radius:36px;
      background:
        radial-gradient(circle at 28% 26%,rgba(255,250,245,.95) 0 15%,transparent 16%),
        radial-gradient(circle at 62% 22%,rgba(184,111,100,.30) 0 18%,transparent 19%),
        linear-gradient(145deg,#d9a597,#8e4f56);
      box-shadow:0 24px 70px rgba(75,51,64,.16);
      overflow:hidden;
      z-index:1;
    }
    .portrait-abstract::before{
      content:"";
      position:absolute;
      left:12%;
      bottom:-9%;
      width:76%;
      height:62%;
      border-radius:48% 48% 18% 18%;
      background:rgba(255,250,245,.82);
    }
    .portrait-abstract::after{
      content:"";
      position:absolute;
      right:-12%;
      top:20%;
      width:54%;
      height:54%;
      border-radius:50%;
      border:1px solid rgba(255,250,245,.46);
      background:rgba(255,250,245,.16);
    }
    .floating-card{
      position:absolute;
      z-index:2;
      border-radius:22px;
      border:1px solid rgba(234,219,210,.9);
      background:rgba(255,250,245,.88);
      backdrop-filter:blur(16px);
      box-shadow:0 18px 42px rgba(75,51,64,.12);
      padding:18px;
    }
    .floating-card.top{
      top:28px;
      left:28px;
      width:230px;
    }
    .floating-card.mid{
      right:26px;
      top:205px;
      width:208px;
    }
    .floating-card.bottom{
      left:34px;
      bottom:28px;
      right:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      align-items:center;
    }
    .floating-card small{
      display:block;
      color:var(--muted-2);
      font-weight:800;
      font-size:12px;
      margin-bottom:5px;
    }
    .floating-card strong{
      display:block;
      color:var(--secondary);
      font-size:22px;
      line-height:1.18;
      letter-spacing:-.02em;
    }
    .mini-bars{
      display:grid;
      gap:7px;
      margin-top:14px;
    }
    .mini-bars span{
      display:block;
      height:8px;
      border-radius:999px;
      background:var(--primary-soft);
      overflow:hidden;
    }
    .mini-bars span:nth-child(1)::after{width:78%;}
    .mini-bars span:nth-child(2)::after{width:58%;}
    .mini-bars span:nth-child(3)::after{width:88%;}
    .mini-bars span::after{
      content:"";
      display:block;
      height:100%;
      border-radius:999px;
      background:var(--primary);
    }
    .score-ring{
      width:70px;
      height:70px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:conic-gradient(var(--primary) 0 86%,var(--primary-soft) 86% 100%);
      color:var(--secondary);
      font-size:18px;
      font-weight:850;
      position:relative;
    }
    .score-ring::before{
      content:"";
      position:absolute;
      inset:8px;
      background:var(--surface);
      border-radius:50%;
    }
    .score-ring span{position:relative;}

    .stats-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .stat-card{
      padding:26px;
      border-radius:var(--radius-lg);
      background:rgba(255,250,245,.78);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .stat-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:var(--border-strong);
    }
    .stat-num{
      font-size:clamp(32px,4vw,46px);
      line-height:1;
      font-weight:850;
      letter-spacing:-.05em;
      color:var(--primary-dark);
      margin-bottom:12px;
    }
    .stat-card h3{
      font-size:17px;
      color:var(--secondary);
      margin:0 0 8px;
      font-weight:800;
    }
    .stat-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .split-card{
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:var(--surface);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .split-card .text-area{
      padding:44px;
    }
    .split-card .tone-area{
      min-height:100%;
      padding:42px;
      background:
        linear-gradient(145deg,rgba(75,51,64,.96),rgba(142,79,86,.88));
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .tone-area::after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-100px;
      width:260px;
      height:260px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.06);
    }
    .tone-list{
      display:grid;
      gap:14px;
      position:relative;
      z-index:1;
      margin-top:24px;
    }
    .tone-item{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .tone-item b{
      width:28px;
      height:28px;
      flex:0 0 28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(255,250,245,.18);
      color:#fff;
    }
    .tone-item span{
      color:rgba(255,255,255,.82);
      font-size:14px;
    }

    .category-entry{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .category-main{
      padding:38px;
      border-radius:var(--radius-xl);
      border:1px solid var(--border);
      background:
        linear-gradient(135deg,rgba(255,250,245,.96),rgba(246,237,227,.76));
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
      min-height:310px;
    }
    .category-main::after{
      content:"";
      position:absolute;
      right:-66px;
      top:-86px;
      width:230px;
      height:230px;
      border-radius:50%;
      background:rgba(216,149,131,.25);
    }
    .category-main h3{
      position:relative;
      z-index:1;
      color:var(--secondary);
      font-size:32px;
      line-height:1.2;
      font-weight:850;
      letter-spacing:-.04em;
      margin:18px 0 14px;
    }
    .category-main p{
      position:relative;
      z-index:1;
      color:var(--muted);
      max-width:610px;
      margin-bottom:24px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      position:relative;
      z-index:1;
      margin-bottom:28px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:7px 12px;
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .category-side{
      display:grid;
      gap:18px;
    }
    .side-note{
      padding:26px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:rgba(255,250,245,.80);
      transition:var(--ease);
    }
    .side-note:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
    }
    .side-note h4{
      margin:0 0 8px;
      color:var(--secondary);
      font-size:19px;
      font-weight:850;
    }
    .side-note p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .matrix-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:20px;
      align-items:stretch;
      margin-top:34px;
    }
    .service-card{
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:rgba(255,250,245,.82);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
      min-height:230px;
    }
    .service-card.large{
      grid-row:span 2;
      background:
        linear-gradient(160deg,rgba(75,51,64,.96),rgba(142,79,86,.90));
      color:#fff;
      min-height:482px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .service-card.large::after{
      content:"";
      position:absolute;
      inset:auto -70px -90px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.07);
    }
    .service-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:var(--border-strong);
    }
    .icon-box{
      width:46px;
      height:46px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--primary-dark);
      background:var(--primary-soft);
      font-weight:850;
      margin-bottom:18px;
    }
    .service-card.large .icon-box{
      background:rgba(255,255,255,.14);
      color:#fff;
    }
    .service-card h3{
      color:var(--secondary);
      font-size:23px;
      line-height:1.25;
      font-weight:850;
      letter-spacing:-.03em;
      margin:0 0 12px;
    }
    .service-card.large h3{
      color:#fff;
      font-size:32px;
    }
    .service-card p{
      color:var(--muted);
      margin:0 0 18px;
    }
    .service-card.large p{
      color:rgba(255,255,255,.80);
      position:relative;
      z-index:1;
    }
    .service-card a{
      color:var(--primary-dark);
      font-weight:850;
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .service-card.large a{color:#fff;}
    .service-card a:hover{gap:10px;}

    .compare-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      margin-top:34px;
    }
    .compare-card{
      border-radius:var(--radius-xl);
      padding:34px;
      border:1px solid var(--border);
      background:rgba(255,250,245,.82);
      box-shadow:var(--shadow-soft);
    }
    .compare-card.after{
      border-color:rgba(184,111,100,.35);
      background:
        linear-gradient(145deg,rgba(255,250,245,.94),rgba(240,213,207,.40));
    }
    .compare-card h3{
      color:var(--secondary);
      font-weight:850;
      margin:0 0 20px;
      letter-spacing:-.03em;
    }
    .compare-list{
      display:grid;
      gap:14px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .compare-list li{
      display:flex;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:rgba(255,255,255,.62);
      border:1px solid var(--border);
      color:var(--muted);
    }
    .compare-list b{
      width:24px;
      height:24px;
      flex:0 0 24px;
      border-radius:999px;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--muted-2);
      font-size:12px;
      margin-top:2px;
    }
    .after .compare-list b{background:var(--primary);}

    .process-line{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
      margin-top:34px;
      counter-reset:step;
    }
    .step-card{
      counter-increment:step;
      padding:28px;
      border-radius:var(--radius-lg);
      border:1px solid var(--border);
      background:var(--surface);
      box-shadow:var(--shadow-soft);
      position:relative;
      transition:var(--ease);
    }
    .step-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
    }
    .step-card::before{
      content:"0" counter(step);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:42px;
      height:42px;
      border-radius:15px;
      background:var(--secondary);
      color:#fff;
      font-weight:850;
      margin-bottom:20px;
      letter-spacing:-.03em;
    }
    .step-card h3{
      font-size:20px;
      font-weight:850;
      color:var(--secondary);
      margin:0 0 10px;
    }
    .step-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }

    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:transparent;
      --bs-accordion-active-bg:transparent;
      --bs-accordion-active-color:var(--secondary);
      display:grid;
      gap:14px;
      margin-top:34px;
    }
    .accordion-item{
      border:1px solid var(--border)!important;
      border-radius:var(--radius)!important;
      overflow:hidden;
      background:rgba(255,250,245,.82);
      box-shadow:0 8px 24px rgba(75,51,64,.05);
    }
    .accordion-button{
      padding:22px 24px;
      color:var(--secondary);
      font-weight:850;
      font-size:17px;
      background:transparent;
      box-shadow:none!important;
      border:0;
    }
    .accordion-button:not(.collapsed){
      background:rgba(240,213,207,.28);
    }
    .accordion-button::after{
      filter:sepia(1) saturate(.8) hue-rotate(315deg);
    }
    .accordion-body{
      padding:0 24px 24px;
      color:var(--muted);
    }

    .contact-panel{
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--border);
      background:var(--surface);
      box-shadow:var(--shadow);
    }
    .contact-info{
      padding:46px;
      height:100%;
      background:
        linear-gradient(145deg,rgba(75,51,64,.96),rgba(142,79,86,.90));
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .contact-info::after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      border-radius:50%;
      right:-96px;
      bottom:-110px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.16);
    }
    .contact-info h2{
      font-size:38px;
      line-height:1.15;
      font-weight:850;
      letter-spacing:-.04em;
      margin:18px 0 14px;
    }
    .contact-info p{
      color:rgba(255,255,255,.78);
      margin-bottom:24px;
    }
    .promise-list{
      list-style:none;
      padding:0;
      margin:26px 0 0;
      display:grid;
      gap:12px;
      position:relative;
      z-index:1;
    }
    .promise-list li{
      display:flex;
      align-items:center;
      gap:10px;
      color:rgba(255,255,255,.86);
    }
    .promise-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:999px;
      background:#fff;
      box-shadow:0 0 0 4px rgba(255,255,255,.13);
    }
    .contact-form{
      padding:46px;
    }
    .form-label{
      color:var(--secondary);
      font-weight:800;
      margin-bottom:8px;
    }
    .form-control,
    .form-select{
      min-height:52px;
      border-radius:15px;
      border:1px solid var(--border);
      background:#fff;
      color:var(--text);
      padding:12px 15px;
      box-shadow:none!important;
    }
    textarea.form-control{min-height:118px;resize:vertical;}
    .form-control:focus,
    .form-select:focus{
      border-color:var(--primary);
      box-shadow:0 0 0 4px rgba(184,111,100,.14)!important;
    }
    .form-hint{
      font-size:13px;
      color:var(--muted-2);
      margin-top:14px;
    }

    .site-footer{
      border-top:1px solid var(--border);
      background:rgba(255,250,245,.72);
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      gap:12px;
      align-items:center;
      margin-bottom:16px;
    }
    .footer-brand strong{
      color:var(--secondary);
      font-size:20px;
      font-weight:850;
    }
    .footer-desc{
      color:var(--muted);
      max-width:520px;
      margin:0;
    }
    .footer-title{
      color:var(--secondary);
      font-weight:850;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a,
    .footer-links span{
      color:var(--muted);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--primary-dark);
      transform:translateX(3px);
    }
    .copyright{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid var(--border);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:var(--muted-2);
      font-size:13px;
    }

    .fade-up{
      animation:fadeUp .78s ease both;
    }
    @keyframes fadeUp{
      from{opacity:0;transform:translateY(14px);}
      to{opacity:1;transform:translateY(0);}
    }

    @media (max-width: 1199px){
      .visual-panel{min-height:520px;}
      .matrix-grid{grid-template-columns:1fr 1fr;}
      .service-card.large{grid-row:auto;grid-column:1 / -1;min-height:330px;}
      .process-line{grid-template-columns:repeat(2,1fr);}
    }
    @media (max-width: 991px){
      .site-container{width:min(100% - 32px,var(--container));}
      .navbar-custom{min-height:70px;}
      .menu-toggle{display:inline-flex;}
      .nav-action .btn-brand{display:none;}
      .nav-links{
        position:absolute;
        left:16px;
        right:16px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:4px;
        padding:14px;
        border:1px solid var(--border);
        border-radius:22px;
        background:rgba(255,250,245,.96);
        box-shadow:var(--shadow);
      }
      .site-header.nav-open .nav-links{display:flex;}
      .nav-links a{
        justify-content:space-between;
        padding:13px 15px;
      }
      .nav-links a::after{display:none;}
      .hero{padding:66px 0 56px;}
      .hero-grid{
        grid-template-columns:1fr;
        gap:34px;
      }
      .visual-panel{
        min-height:480px;
        max-width:660px;
      }
      .stats-grid{grid-template-columns:repeat(2,1fr);}
      .category-entry{grid-template-columns:1fr;}
      .compare-wrap{grid-template-columns:1fr;}
      .footer-grid{grid-template-columns:1fr 1fr;}
      .footer-grid>div:first-child{grid-column:1 / -1;}
    }
    @media (max-width: 767px){
      .section{padding:68px 0;}
      .section-tight{padding:56px 0;}
      .brand-text span{display:none;}
      .hero h1{font-size:42px;}
      .hero-lead{font-size:16px;}
      .hero-cta{flex-direction:column;}
      .hero-cta a{width:100%;}
      .visual-panel{
        min-height:430px;
        padding:20px;
        border-radius:26px;
      }
      .portrait-abstract{inset:104px 26px 86px;border-radius:28px;}
      .floating-card.top{left:18px;top:20px;width:210px;}
      .floating-card.mid{right:18px;top:188px;width:178px;}
      .floating-card.bottom{
        left:18px;
        right:18px;
        bottom:18px;
        grid-template-columns:1fr;
      }
      .stats-grid,
      .matrix-grid,
      .process-line{grid-template-columns:1fr;}
      .split-card .text-area,
      .split-card .tone-area,
      .category-main,
      .compare-card,
      .contact-info,
      .contact-form{padding:28px;}
      .service-card.large{min-height:auto;}
      .footer-grid{grid-template-columns:1fr;}
      .copyright{flex-direction:column;}
    }
    @media (max-width: 520px){
      .site-container{width:min(100% - 24px,var(--container));}
      .brand-symbol{width:34px;height:34px;border-radius:12px;}
      .brand-text strong{font-size:16px;}
      .hero h1{font-size:36px;letter-spacing:-.045em;}
      .section-title{font-size:30px;}
      .stat-card,
      .service-card,
      .side-note,
      .step-card{padding:22px;}
      .category-main h3{font-size:26px;}
      .contact-info h2{font-size:30px;}
      .nav-links{left:12px;right:12px;}
      .trust-row{gap:8px;}
      .trust-pill{font-size:12px;}
    }

/* roulang page: category1 */
:root {
      --color-bg: #fbf6ef;
      --color-surface: #fffdf9;
      --color-surface-2: #f5ebe1;
      --color-primary: #b97662;
      --color-primary-dark: #8f4f43;
      --color-secondary: #3b2632;
      --color-accent: #d58b7a;
      --color-muted: #7f6f68;
      --color-text: #271d20;
      --color-soft-text: #5f5250;
      --color-border: rgba(91, 61, 55, 0.14);
      --color-line: rgba(60, 38, 50, 0.12);
      --shadow-soft: 0 18px 50px rgba(77, 45, 38, 0.09);
      --shadow-card: 0 14px 36px rgba(77, 45, 38, 0.08);
      --shadow-hover: 0 22px 58px rgba(77, 45, 38, 0.13);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1220px;
      --transition: 220ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--color-text);
      background:
        radial-gradient(circle at 8% 6%, rgba(213, 139, 122, 0.18), transparent 30%),
        radial-gradient(circle at 90% 12%, rgba(185, 118, 98, 0.13), transparent 26%),
        linear-gradient(180deg, var(--color-bg) 0%, #fffaf4 50%, #f8efe7 100%);
      line-height: 1.75;
      text-rendering: optimizeLegibility;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea,
    select {
      font: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
      outline: 3px solid rgba(185, 118, 98, 0.32);
      outline-offset: 3px;
    }

    .site-container {
      width: min(100% - 40px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(251, 246, 239, 0.86);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--color-line);
    }

    .navbar-custom {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 250px;
    }

    .brand-symbol {
      width: 38px;
      height: 38px;
      display: inline-block;
      border-radius: 14px;
      background:
        linear-gradient(135deg, rgba(185, 118, 98, 0.96), rgba(59, 38, 50, 0.96)),
        radial-gradient(circle at 35% 28%, rgba(255, 255, 255, 0.8), transparent 28%);
      position: relative;
      box-shadow: 0 10px 24px rgba(143, 79, 67, 0.22);
      flex: 0 0 auto;
    }

    .brand-symbol::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 1px solid rgba(255, 255, 255, 0.58);
      border-radius: 9px;
      transform: rotate(8deg);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
    }

    .brand-text strong {
      font-size: 18px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-secondary);
    }

    .brand-text span {
      margin-top: 4px;
      font-size: 12px;
      color: var(--color-muted);
      letter-spacing: 0.08em;
    }

    .nav-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      flex: 1;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--color-soft-text);
      font-size: 15px;
      font-weight: 650;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      border-radius: 999px;
      background: var(--color-primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--transition);
    }

    .nav-links a:hover {
      color: var(--color-secondary);
      background: rgba(185, 118, 98, 0.08);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--color-secondary);
      background: rgba(185, 118, 98, 0.10);
    }

    .nav-action {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn-brand {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid rgba(143, 79, 67, 0.16);
      background: var(--color-secondary);
      color: #fffaf4;
      border-radius: 15px;
      padding: 13px 20px;
      font-weight: 750;
      letter-spacing: 0.01em;
      box-shadow: 0 12px 24px rgba(59, 38, 50, 0.16);
      cursor: pointer;
    }

    .btn-brand:hover {
      color: #fffaf4;
      background: var(--color-primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(143, 79, 67, 0.22);
    }

    .btn-brand:active {
      transform: translateY(0);
    }

    .btn-small {
      padding: 10px 15px;
      border-radius: 13px;
      font-size: 14px;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid var(--color-border);
      background: rgba(255, 253, 249, 0.72);
      color: var(--color-secondary);
      border-radius: 15px;
      padding: 13px 20px;
      font-weight: 750;
      cursor: pointer;
    }

    .btn-ghost:hover {
      border-color: rgba(185, 118, 98, 0.42);
      background: rgba(185, 118, 98, 0.09);
      transform: translateY(-2px);
      color: var(--color-primary-dark);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: rgba(255, 253, 249, 0.85);
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after {
      content: "";
      width: 18px;
      height: 2px;
      display: block;
      border-radius: 999px;
      background: var(--color-secondary);
      transition: transform var(--transition), opacity var(--transition);
      position: relative;
    }

    .menu-toggle span::before {
      position: absolute;
      top: -6px;
      left: 0;
    }

    .menu-toggle span::after {
      position: absolute;
      top: 6px;
      left: 0;
    }

    .menu-toggle.is-open span {
      transform: rotate(45deg);
    }

    .menu-toggle.is-open span::before {
      transform: translateY(6px) rotate(90deg);
    }

    .menu-toggle.is-open span::after {
      opacity: 0;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 86px 0;
      position: relative;
    }

    .section-tight {
      padding: 58px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border: 1px solid rgba(185, 118, 98, 0.22);
      border-radius: 999px;
      background: rgba(255, 253, 249, 0.72);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 760;
      letter-spacing: 0.04em;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(185, 118, 98, 0.12);
    }

    .page-hero {
      padding: 92px 0 64px;
    }

    .hero-shell {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
      gap: 38px;
      align-items: stretch;
    }

    .hero-copy {
      padding: 28px 0;
    }

    .breadcrumb-line {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin: 0 0 22px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .breadcrumb-line a {
      color: var(--color-primary-dark);
      font-weight: 700;
    }

    .breadcrumb-line span {
      opacity: 0.82;
    }

    h1,
    h2,
    h3 {
      color: var(--color-secondary);
      line-height: 1.14;
      margin: 0;
      letter-spacing: -0.035em;
    }

    h1 {
      font-size: clamp(42px, 6vw, 76px);
      font-weight: 850;
      max-width: 850px;
      margin-top: 20px;
    }

    h2 {
      font-size: clamp(30px, 4vw, 48px);
      font-weight: 820;
    }

    h3 {
      font-size: 22px;
      font-weight: 780;
    }

    .lead {
      margin: 22px 0 0;
      color: var(--color-soft-text);
      font-size: clamp(17px, 2vw, 20px);
      line-height: 1.85;
      max-width: 720px;
    }

    .hero-actions {
      margin-top: 34px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .tag-row {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      background: rgba(255, 253, 249, 0.7);
      color: var(--color-soft-text);
      font-size: 13px;
      font-weight: 680;
    }

    .tag strong {
      color: var(--color-primary-dark);
    }

    .visual-card {
      min-height: 520px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(145deg, rgba(255, 253, 249, 0.95), rgba(245, 235, 225, 0.82)),
        radial-gradient(circle at 80% 14%, rgba(213, 139, 122, 0.18), transparent 34%);
      box-shadow: var(--shadow-soft);
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      width: 230px;
      height: 230px;
      right: -60px;
      top: -60px;
      border-radius: 50%;
      background: rgba(185, 118, 98, 0.12);
    }

    .visual-card::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      left: -54px;
      bottom: -58px;
      border-radius: 50%;
      border: 1px solid rgba(185, 118, 98, 0.22);
    }

    .panel-top {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 20px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--color-line);
    }

    .panel-title {
      font-size: 14px;
      color: var(--color-muted);
      font-weight: 700;
    }

    .panel-title strong {
      display: block;
      margin-top: 4px;
      color: var(--color-secondary);
      font-size: 24px;
      letter-spacing: -0.03em;
    }

    .quality-badge {
      padding: 8px 11px;
      border-radius: 999px;
      color: #fffaf4;
      background: var(--color-primary-dark);
      font-size: 12px;
      font-weight: 780;
      white-space: nowrap;
    }

    .metric-stack {
      position: relative;
      z-index: 1;
      margin-top: 26px;
      display: grid;
      gap: 14px;
    }

    .metric-line {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 16px;
      align-items: center;
      padding: 16px;
      border: 1px solid rgba(91, 61, 55, 0.11);
      border-radius: 20px;
      background: rgba(255, 253, 249, 0.7);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .metric-line:hover {
      transform: translateY(-3px);
      border-color: rgba(185, 118, 98, 0.28);
      box-shadow: var(--shadow-card);
    }

    .metric-line b {
      color: var(--color-secondary);
      font-size: 28px;
      line-height: 1;
      letter-spacing: -0.04em;
    }

    .metric-line span {
      color: var(--color-muted);
      font-size: 14px;
      line-height: 1.55;
    }

    .mini-board {
      position: relative;
      z-index: 1;
      margin-top: 26px;
      padding: 20px;
      border-radius: 24px;
      background: var(--color-secondary);
      color: #fffaf4;
      overflow: hidden;
    }

    .mini-board::after {
      content: "";
      position: absolute;
      right: -30px;
      bottom: -45px;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: rgba(255, 250, 244, 0.08);
    }

    .mini-board strong {
      display: block;
      font-size: 20px;
      line-height: 1.35;
      position: relative;
      z-index: 1;
    }

    .mini-board p {
      margin: 10px 0 0;
      color: rgba(255, 250, 244, 0.72);
      font-size: 14px;
      position: relative;
      z-index: 1;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 34px;
      margin-bottom: 34px;
    }

    .section-head p {
      margin: 0;
      max-width: 560px;
      color: var(--color-soft-text);
      font-size: 16px;
    }

    .summary-card {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      background: rgba(255, 253, 249, 0.75);
      box-shadow: var(--shadow-card);
      padding: clamp(28px, 5vw, 48px);
      display: grid;
      grid-template-columns: 1fr 0.72fr;
      gap: 34px;
      align-items: center;
    }

    .summary-card p {
      margin: 16px 0 0;
      color: var(--color-soft-text);
      font-size: 17px;
    }

    .summary-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 13px;
    }

    .summary-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px;
      border-radius: 18px;
      background: rgba(245, 235, 225, 0.7);
      color: var(--color-soft-text);
      font-weight: 620;
    }

    .summary-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--color-primary);
      flex: 0 0 auto;
      box-shadow: 0 0 0 5px rgba(185, 118, 98, 0.12);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 18px;
    }

    .feature-card {
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 249, 0.76);
      box-shadow: var(--shadow-card);
      padding: 26px;
      min-height: 220px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(185, 118, 98, 0.32);
    }

    .feature-card.large {
      min-height: 458px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(145deg, rgba(59, 38, 50, 0.96), rgba(143, 79, 67, 0.92)),
        radial-gradient(circle at 80% 18%, rgba(255, 250, 244, 0.14), transparent 34%);
      color: #fffaf4;
    }

    .feature-card.large h3 {
      color: #fffaf4;
      font-size: clamp(28px, 3.8vw, 44px);
    }

    .feature-card.large p {
      color: rgba(255, 250, 244, 0.76);
      font-size: 17px;
    }

    .feature-icon {
      width: 46px;
      height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      background: rgba(185, 118, 98, 0.13);
      color: var(--color-primary-dark);
      font-weight: 850;
      margin-bottom: 18px;
    }

    .large .feature-icon {
      background: rgba(255, 250, 244, 0.12);
      color: #fffaf4;
    }

    .feature-card p {
      margin: 13px 0 0;
      color: var(--color-soft-text);
    }

    .feature-link {
      display: inline-flex;
      margin-top: 18px;
      color: var(--color-primary-dark);
      font-weight: 760;
    }

    .large .feature-link {
      color: #fff1eb;
    }

    .small-stack {
      display: grid;
      gap: 18px;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .scenario-card {
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 249, 0.74);
      padding: 24px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .scenario-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-card);
      border-color: rgba(185, 118, 98, 0.34);
    }

    .scenario-card .num {
      color: var(--color-primary-dark);
      font-weight: 850;
      font-size: 13px;
      letter-spacing: 0.08em;
    }

    .scenario-card h3 {
      margin-top: 12px;
      font-size: 20px;
    }

    .scenario-card p {
      margin: 12px 0 0;
      color: var(--color-soft-text);
      font-size: 15px;
    }

    .process-wrap {
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 26px;
      align-items: start;
    }

    .process-aside {
      position: sticky;
      top: 110px;
      border-radius: var(--radius-xl);
      background: var(--color-surface-2);
      border: 1px solid var(--color-border);
      padding: 30px;
    }

    .process-aside p {
      margin: 16px 0 0;
      color: var(--color-soft-text);
    }

    .step-list {
      display: grid;
      gap: 14px;
    }

    .step-item {
      display: grid;
      grid-template-columns: 62px 1fr;
      gap: 18px;
      padding: 24px;
      border: 1px solid var(--color-border);
      border-radius: 24px;
      background: rgba(255, 253, 249, 0.78);
      box-shadow: 0 10px 28px rgba(77, 45, 38, 0.055);
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .step-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-card);
    }

    .step-no {
      width: 52px;
      height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      background: var(--color-secondary);
      color: #fffaf4;
      font-weight: 850;
      letter-spacing: -0.04em;
    }

    .step-item h3 {
      font-size: 21px;
      margin-top: 2px;
    }

    .step-item p {
      margin: 9px 0 0;
      color: var(--color-soft-text);
    }

    .comparison {
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      background: rgba(255, 253, 249, 0.78);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .comparison-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
    }

    .comparison-col {
      padding: clamp(26px, 5vw, 44px);
    }

    .comparison-col.before {
      background: rgba(245, 235, 225, 0.58);
      border-right: 1px solid var(--color-line);
    }

    .comparison-col.after {
      background:
        radial-gradient(circle at 90% 20%, rgba(185, 118, 98, 0.13), transparent 30%),
        rgba(255, 253, 249, 0.9);
    }

    .comparison-col h3 {
      margin-bottom: 18px;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 13px;
    }

    .check-list li {
      position: relative;
      padding-left: 28px;
      color: var(--color-soft-text);
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      color: var(--color-primary-dark);
      font-weight: 850;
    }

    .before .check-list li::before {
      content: "—";
      color: var(--color-muted);
    }

    .accordion {
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      border: 1px solid var(--color-border) !important;
      border-radius: 22px !important;
      overflow: hidden;
      background: rgba(255, 253, 249, 0.78);
      box-shadow: 0 8px 24px rgba(77, 45, 38, 0.045);
    }

    .accordion-button {
      background: rgba(255, 253, 249, 0.86);
      color: var(--color-secondary);
      font-weight: 780;
      font-size: 17px;
      padding: 20px 22px;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(185, 118, 98, 0.10);
      color: var(--color-primary-dark);
    }

    .accordion-button::after {
      filter: sepia(30%) saturate(130%) hue-rotate(320deg);
    }

    .accordion-body {
      color: var(--color-soft-text);
      padding: 0 22px 22px;
      line-height: 1.8;
    }

    .contact-panel {
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255, 250, 244, 0.18);
      background:
        linear-gradient(135deg, rgba(59, 38, 50, 0.98), rgba(143, 79, 67, 0.92)),
        radial-gradient(circle at 90% 14%, rgba(255, 250, 244, 0.15), transparent 30%);
      color: #fffaf4;
      padding: clamp(30px, 6vw, 56px);
      display: grid;
      grid-template-columns: 0.92fr 1.08fr;
      gap: 36px;
      box-shadow: 0 26px 70px rgba(59, 38, 50, 0.18);
    }

    .contact-panel h2 {
      color: #fffaf4;
    }

    .contact-panel p {
      color: rgba(255, 250, 244, 0.76);
      margin: 18px 0 0;
    }

    .trust-notes {
      margin-top: 26px;
      display: grid;
      gap: 12px;
    }

    .trust-notes span {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: rgba(255, 250, 244, 0.78);
      font-size: 14px;
    }

    .trust-notes span::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #fff1eb;
    }

    .contact-form {
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 250, 244, 0.10);
      border: 1px solid rgba(255, 250, 244, 0.16);
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .form-field {
      display: grid;
      gap: 8px;
    }

    .form-field.full {
      grid-column: 1 / -1;
    }

    .form-field label {
      font-size: 13px;
      font-weight: 760;
      color: rgba(255, 250, 244, 0.82);
    }

    .form-field input,
    .form-field textarea,
    .form-field select {
      width: 100%;
      border: 1px solid rgba(255, 250, 244, 0.18);
      background: rgba(255, 250, 244, 0.92);
      color: var(--color-secondary);
      border-radius: 15px;
      padding: 13px 14px;
      min-height: 50px;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    }

    .form-field textarea {
      min-height: 106px;
      resize: vertical;
    }

    .form-field input:focus,
    .form-field textarea:focus,
    .form-field select:focus {
      border-color: rgba(213, 139, 122, 0.9);
      box-shadow: 0 0 0 4px rgba(213, 139, 122, 0.18);
      background: #fffdf9;
      outline: none;
    }

    .form-hint {
      margin-top: 12px;
      font-size: 13px;
      color: rgba(255, 250, 244, 0.68);
    }

    .site-footer {
      padding: 60px 0 28px;
      background: rgba(59, 38, 50, 0.96);
      color: #fffaf4;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.7fr 1fr;
      gap: 38px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 250, 244, 0.12);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-size: 19px;
      font-weight: 850;
    }

    .footer-desc {
      margin: 16px 0 0;
      max-width: 520px;
      color: rgba(255, 250, 244, 0.68);
      line-height: 1.8;
    }

    .footer-title {
      color: rgba(255, 250, 244, 0.92);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .footer-links {
      display: grid;
      gap: 10px;
      color: rgba(255, 250, 244, 0.66);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #fffaf4;
      transform: translateX(2px);
    }

    .copyright {
      padding-top: 22px;
      display: flex;
      justify-content: space-between;
      gap: 20px;
      color: rgba(255, 250, 244, 0.52);
      font-size: 13px;
      flex-wrap: wrap;
    }

    .reveal {
      animation: fadeUp 680ms ease both;
    }

    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(14px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @media (max-width: 1024px) {
      .hero-shell,
      .summary-card,
      .process-wrap,
      .contact-panel {
        grid-template-columns: 1fr;
      }

      .visual-card {
        min-height: auto;
      }

      .process-aside {
        position: static;
      }

      .scenario-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 860px) {
      .navbar-custom {
        min-height: 70px;
      }

      .brand-mark {
        min-width: auto;
      }

      .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--color-border);
        border-radius: 22px;
        background: rgba(255, 253, 249, 0.98);
        box-shadow: var(--shadow-soft);
      }

      .nav-links.is-open {
        display: flex;
      }

      .nav-links a {
        width: 100%;
        justify-content: flex-start;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .btn-small {
        display: none;
      }

      .section {
        padding: 66px 0;
      }

      .page-hero {
        padding-top: 66px;
      }

      .matrix-grid {
        grid-template-columns: 1fr;
      }

      .feature-card.large {
        min-height: 360px;
      }

      .comparison-row {
        grid-template-columns: 1fr;
      }

      .comparison-col.before {
        border-right: 0;
        border-bottom: 1px solid var(--color-line);
      }
    }

    @media (max-width: 576px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .brand-symbol {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .brand-text strong {
        font-size: 16px;
      }

      .brand-text span {
        display: none;
      }

      h1 {
        font-size: 39px;
      }

      .lead {
        font-size: 16px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .hero-actions .btn-brand,
      .hero-actions .btn-ghost {
        width: 100%;
      }

      .visual-card {
        padding: 20px;
        border-radius: 26px;
      }

      .metric-line {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 14px;
      }

      .summary-card {
        padding: 24px;
        border-radius: 26px;
      }

      .scenario-grid {
        grid-template-columns: 1fr;
      }

      .step-item {
        grid-template-columns: 1fr;
      }

      .form-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .copyright {
        display: grid;
      }
    }