/* roulang page: index */
:root{
      --color-primary:#19B7A8;
      --color-primary-dark:#0E8F83;
      --color-accent:#FF7A59;
      --color-ink:#171717;
      --color-ink-soft:#2B2A28;
      --color-muted:#6F6A63;
      --color-bg:#F8F3EA;
      --color-bg-2:#EFE7DC;
      --color-card:#FFFDF8;
      --color-line:#DED3C5;
      --color-dark:#171717;
      --color-dark-2:#242424;
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --shadow-soft:0 18px 50px rgba(23,23,23,.08);
      --shadow-card:0 16px 40px rgba(23,23,23,.07);
      --shadow-hover:0 22px 60px rgba(23,23,23,.12);
      --container:1200px;
      --ease:all .22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--color-ink);
      background:
        radial-gradient(circle at 10% 5%, rgba(25,183,168,.16), transparent 34%),
        radial-gradient(circle at 90% 12%, rgba(255,122,89,.13), transparent 30%),
        linear-gradient(180deg, var(--color-bg), #fff 44%, var(--color-bg));
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    a:hover{color:var(--color-primary-dark)}
    img,svg{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    :focus-visible{
      outline:3px solid rgba(25,183,168,.36);
      outline-offset:3px;
      border-radius:14px;
    }
    .container-custom{
      width:min(100% - 32px, var(--container));
      margin-inline:auto;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section-tight{padding:72px 0}
    .section-title{
      max-width:760px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(25,183,168,.22);
      border-radius:999px;
      background:rgba(25,183,168,.08);
      color:var(--color-primary-dark);
      font-size:14px;
      font-weight:700;
      margin-bottom:14px;
    }
    .section-kicker::before{
      content:"";
      width:8px;height:8px;border-radius:999px;background:var(--color-primary);
      box-shadow:0 0 0 5px rgba(25,183,168,.12);
    }
    h1,h2,h3,h4{letter-spacing:-.02em;color:var(--color-ink);line-height:1.18}
    h1{
      font-size:clamp(2.25rem,5vw,4rem);
      font-weight:850;
      margin:0 0 24px;
    }
    h2{
      font-size:clamp(1.8rem,3.4vw,2.7rem);
      font-weight:820;
      margin:0 0 16px;
    }
    h3{font-size:1.28rem;font-weight:780;margin:0 0 10px}
    p{margin:0;color:var(--color-muted)}
    .text-strong{color:var(--color-ink);font-weight:700}
    .top-notice{
      background:linear-gradient(90deg, rgba(239,231,220,.96), rgba(248,243,234,.96));
      border-bottom:1px solid rgba(222,211,197,.75);
      color:#4D4842;
      font-size:14px;
      position:relative;
      z-index:1040;
    }
    .notice-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:12px;
      text-align:center;
    }
    .notice-dot{
      width:10px;height:10px;border-radius:999px;background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(255,122,89,.12);
      flex:0 0 auto;
    }
    .notice-link{
      color:var(--color-primary-dark);
      font-weight:700;
      border-bottom:1px solid rgba(25,183,168,.4);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(248,243,234,.82);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(222,211,197,.65);
      transition:var(--ease);
    }
    .navbar{
      padding:16px 0;
    }
    .navbar-grid{
      width:100%;
      display:grid;
      grid-template-columns:1fr auto 1fr;
      align-items:center;
      gap:22px;
    }
    .nav-side{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .nav-side.left{justify-content:flex-start}
    .nav-side.right{justify-content:flex-end}
    .navbar-brand{
      margin:0;
      padding:0;
      display:inline-flex;
      flex-direction:column;
      align-items:center;
      gap:2px;
      min-width:250px;
    }
    .brand-main{
      font-size:20px;
      line-height:1.2;
      font-weight:850;
      letter-spacing:-.03em;
      background:linear-gradient(90deg, var(--color-ink), var(--color-primary-dark), var(--color-accent));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      white-space:nowrap;
    }
    .brand-sub{
      font-size:12px;
      color:var(--color-muted);
      letter-spacing:.08em;
    }
    .nav-link-custom{
      position:relative;
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:9px 14px;
      border-radius:999px;
      color:#37332F;
      font-size:15px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-link-custom:hover,
    .nav-link-custom.active{
      background:rgba(25,183,168,.11);
      color:var(--color-primary-dark);
    }
    .nav-link-custom.active::after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:7px;
      height:2px;
      border-radius:999px;
      background:var(--color-primary);
    }
    .navbar-toggler{
      border:1px solid var(--color-line);
      border-radius:16px;
      padding:10px 12px;
      box-shadow:none!important;
      background:rgba(255,253,248,.72);
    }
    .navbar-toggler-icon{
      width:22px;height:22px;
      background-image:none;
      position:relative;
    }
    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after,
    .navbar-toggler-icon span{
      content:"";
      position:absolute;
      left:2px;right:2px;
      height:2px;
      border-radius:999px;
      background:var(--color-ink);
    }
    .navbar-toggler-icon::before{top:5px}
    .navbar-toggler-icon span{top:10px}
    .navbar-toggler-icon::after{top:15px}
    .mobile-nav{
      padding:12px 0 18px;
      border-top:1px solid rgba(222,211,197,.65);
    }
    .mobile-nav .nav-link-custom{
      width:100%;
      justify-content:center;
      margin:4px 0;
    }
    .btn{
      border:0;
      border-radius:999px;
      min-height:48px;
      padding:12px 22px;
      font-weight:780;
      letter-spacing:.01em;
      transition:var(--ease);
    }
    .btn-primary-custom{
      color:#fff;
      background:linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      box-shadow:0 12px 26px rgba(25,183,168,.24);
    }
    .btn-primary-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(25,183,168,.32);
    }
    .btn-outline-custom{
      color:var(--color-ink);
      background:rgba(255,253,248,.68);
      border:1px solid rgba(222,211,197,.95);
    }
    .btn-outline-custom:hover{
      transform:translateY(-2px);
      color:var(--color-primary-dark);
      background:rgba(25,183,168,.08);
      border-color:rgba(25,183,168,.32);
      box-shadow:var(--shadow-card);
    }
    .btn:active{transform:translateY(0) scale(.985)!important}
    .hero{
      min-height:680px;
      display:flex;
      align-items:center;
      padding:82px 0 76px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:7% -12% auto auto;
      width:520px;height:520px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(25,183,168,.18), transparent 68%);
      pointer-events:none;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.82fr);
      align-items:center;
      gap:56px;
      position:relative;
      z-index:1;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,253,248,.76);
      border:1px solid rgba(222,211,197,.8);
      color:#4E4943;
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 22px rgba(23,23,23,.04);
    }
    .pill.primary{
      background:rgba(25,183,168,.1);
      border-color:rgba(25,183,168,.25);
      color:var(--color-primary-dark);
    }
    .hero-lead{
      font-size:18px;
      max-width:660px;
      margin-bottom:28px;
      color:#5E5851;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
      margin-bottom:34px;
    }
    .hero-mini{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
      max-width:760px;
    }
    .mini-stat{
      padding:14px 16px;
      border-radius:20px;
      background:rgba(255,253,248,.7);
      border:1px solid rgba(222,211,197,.72);
      box-shadow:0 12px 30px rgba(23,23,23,.05);
    }
    .mini-stat strong{
      display:block;
      font-size:18px;
      color:var(--color-ink);
      line-height:1.25;
    }
    .mini-stat span{
      display:block;
      font-size:13px;
      color:var(--color-muted);
      margin-top:3px;
    }
    .subtitle-panel{
      position:relative;
      border-radius:36px;
      padding:24px;
      background:
        linear-gradient(145deg, rgba(36,36,36,.98), rgba(23,23,23,.96)),
        radial-gradient(circle at 20% 20%, rgba(25,183,168,.32), transparent 40%);
      color:#F8F3EA;
      box-shadow:0 28px 70px rgba(23,23,23,.24);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .subtitle-panel::before{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:28px;
      border:1px dashed rgba(248,243,234,.12);
      pointer-events:none;
    }
    .panel-top{
      position:relative;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:24px;
      z-index:1;
    }
    .panel-title{
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      font-weight:800;
    }
    .panel-title .mark{
      width:36px;height:36px;border-radius:14px;
      background:linear-gradient(135deg, var(--color-primary), var(--color-accent));
      display:grid;
      place-items:center;
      color:#171717;
      font-weight:900;
    }
    .panel-status{
      font-size:13px;
      padding:7px 10px;
      border-radius:999px;
      color:#BFF4EE;
      background:rgba(25,183,168,.14);
      border:1px solid rgba(25,183,168,.28);
    }
    .film-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:9px;
      margin-bottom:24px;
    }
    .film-cell{
      height:58px;
      border-radius:14px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.025)),
        repeating-linear-gradient(90deg, rgba(255,255,255,.07) 0 5px, transparent 5px 16px);
      border:1px solid rgba(255,255,255,.08);
    }
    .subtitle-lines{
      position:relative;
      z-index:1;
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
    }
    .line{
      height:12px;
      border-radius:999px;
      background:rgba(248,243,234,.18);
      margin-bottom:12px;
      overflow:hidden;
    }
    .line:nth-child(1){width:88%}
    .line:nth-child(2){width:72%}
    .line:nth-child(3){width:94%;margin-bottom:0}
    .line span{
      display:block;
      width:46%;
      height:100%;
      background:linear-gradient(90deg, var(--color-primary), rgba(255,122,89,.72));
      border-radius:999px;
    }
    .panel-caption{
      margin-top:18px;
      color:#EAE1D6;
      font-size:15px;
      position:relative;
      z-index:1;
    }
    .feature-layout{
      display:grid;
      grid-template-columns:1.35fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .card-custom{
      background:rgba(255,253,248,.86);
      border:1px solid rgba(222,211,197,.8);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      transition:var(--ease);
      overflow:hidden;
      position:relative;
    }
    .card-custom:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(25,183,168,.35);
    }
    .feature-large{
      min-height:420px;
      padding:42px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      background:
        radial-gradient(circle at 90% 10%, rgba(25,183,168,.16), transparent 34%),
        linear-gradient(135deg, rgba(255,253,248,.96), rgba(239,231,220,.7));
    }
    .feature-stack{
      display:grid;
      gap:22px;
    }
    .feature-small{
      padding:28px;
      min-height:199px;
    }
    .icon-bubble{
      width:54px;height:54px;
      border-radius:20px;
      display:grid;
      place-items:center;
      margin-bottom:20px;
      background:rgba(25,183,168,.12);
      color:var(--color-primary-dark);
      font-weight:900;
      font-size:22px;
      border:1px solid rgba(25,183,168,.2);
    }
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(25,183,168,.09);
      color:var(--color-primary-dark);
      font-size:13px;
      font-weight:750;
      border:1px solid rgba(25,183,168,.18);
    }
    .tag.accent{
      background:rgba(255,122,89,.1);
      color:#C55339;
      border-color:rgba(255,122,89,.22);
    }
    .dark-band{
      background:
        radial-gradient(circle at 18% 25%, rgba(25,183,168,.22), transparent 34%),
        radial-gradient(circle at 86% 38%, rgba(255,122,89,.18), transparent 28%),
        linear-gradient(135deg, var(--color-dark), var(--color-dark-2));
      color:#F8F3EA;
      border-radius:42px;
      padding:46px;
      overflow:hidden;
      position:relative;
    }
    .dark-band h2,.dark-band h3{color:#fff}
    .dark-band p{color:#D6CEC2}
    .data-wall{
      display:grid;
      grid-template-columns:1.15fr repeat(3,1fr);
      gap:16px;
      margin-top:34px;
    }
    .data-item{
      border-radius:24px;
      padding:24px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      min-height:142px;
      transition:var(--ease);
    }
    .data-item:hover{
      transform:translateY(-3px);
      background:rgba(255,255,255,.09);
      border-color:rgba(25,183,168,.35);
    }
    .data-item.featured{
      background:linear-gradient(135deg, rgba(25,183,168,.22), rgba(255,122,89,.12));
    }
    .data-num{
      display:block;
      font-size:32px;
      line-height:1;
      font-weight:900;
      color:#fff;
      margin-bottom:12px;
    }
    .scenario-scroll{
      display:grid;
      grid-template-columns:1.05fr .95fr 1.05fr;
      gap:20px;
    }
    .scenario-card{
      padding:28px;
      min-height:252px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .abstract-cover{
      height:98px;
      border-radius:22px;
      margin-bottom:22px;
      background:
        linear-gradient(135deg, rgba(25,183,168,.22), rgba(255,122,89,.14)),
        repeating-linear-gradient(0deg, rgba(23,23,23,.08) 0 2px, transparent 2px 12px);
      border:1px solid rgba(222,211,197,.75);
      position:relative;
      overflow:hidden;
    }
    .abstract-cover::after{
      content:"";
      position:absolute;
      left:18px;right:18px;bottom:18px;
      height:10px;
      border-radius:999px;
      background:rgba(23,23,23,.22);
      box-shadow:0 -18px 0 rgba(23,23,23,.1);
    }
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:20px;
      color:var(--color-primary-dark);
      font-weight:800;
    }
    .arrow-link:hover{gap:12px}
    .timeline{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:16px;
      position:relative;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:33px;
      height:2px;
      background:linear-gradient(90deg, rgba(25,183,168,.2), rgba(255,122,89,.24));
      z-index:0;
    }
    .step-card{
      position:relative;
      z-index:1;
      padding:24px;
      border-radius:24px;
      background:rgba(255,253,248,.84);
      border:1px solid rgba(222,211,197,.8);
      box-shadow:var(--shadow-card);
    }
    .step-num{
      width:42px;height:42px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:var(--color-ink);
      color:#fff;
      font-weight:900;
      margin-bottom:18px;
      border:4px solid var(--color-bg);
    }
    .accordion-custom .accordion-item{
      border:1px solid rgba(222,211,197,.82);
      border-radius:22px!important;
      margin-bottom:14px;
      overflow:hidden;
      background:rgba(255,253,248,.9);
      box-shadow:0 10px 26px rgba(23,23,23,.04);
    }
    .accordion-custom .accordion-button{
      padding:20px 24px;
      border:0;
      background:rgba(255,253,248,.9);
      color:var(--color-ink);
      font-weight:780;
      box-shadow:none;
    }
    .accordion-custom .accordion-button:not(.collapsed){
      color:var(--color-primary-dark);
      background:linear-gradient(90deg, rgba(25,183,168,.12), rgba(255,253,248,.96));
      border-left:4px solid var(--color-primary);
    }
    .accordion-custom .accordion-button::after{
      width:28px;height:28px;
      border-radius:999px;
      background-color:rgba(25,183,168,.12);
      background-size:14px;
      background-position:center;
      border:1px solid rgba(25,183,168,.18);
    }
    .accordion-custom .accordion-body{
      padding:0 24px 22px 28px;
      color:var(--color-muted);
      background:rgba(255,253,248,.9);
    }
    .contact-card{
      border-radius:40px;
      padding:44px;
      background:
        radial-gradient(circle at 15% 18%, rgba(25,183,168,.16), transparent 36%),
        linear-gradient(135deg, rgba(255,253,248,.94), rgba(239,231,220,.72));
      border:1px solid rgba(222,211,197,.9);
      box-shadow:var(--shadow-soft);
    }
    .form-control,.form-select{
      min-height:52px;
      border-radius:18px;
      border:1px solid rgba(222,211,197,.95);
      background:#FFFDF8;
      color:var(--color-ink);
      padding:12px 16px;
      box-shadow:none!important;
      transition:var(--ease);
    }
    textarea.form-control{min-height:138px;resize:vertical}
    .form-control:focus,.form-select:focus{
      border-color:rgba(25,183,168,.75);
      box-shadow:0 0 0 4px rgba(25,183,168,.12)!important;
      background:#fff;
    }
    .form-label{
      color:#3B3732;
      font-weight:760;
      margin-bottom:8px;
    }
    .site-footer{
      background:var(--color-dark);
      color:#D8D0C5;
      padding:62px 0 30px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:auto -10% -40% auto;
      width:420px;height:420px;
      border-radius:50%;
      background:radial-gradient(circle, rgba(25,183,168,.16), transparent 68%);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .8fr;
      gap:30px;
      position:relative;
      z-index:1;
    }
    .footer-brand{
      font-size:22px;
      color:#fff;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-title{
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .footer-links a{
      color:#D8D0C5;
      display:inline-flex;
      width:max-content;
      border-bottom:1px solid transparent;
    }
    .footer-links a:hover{
      color:var(--color-primary);
      border-color:rgba(25,183,168,.45);
    }
    .footer-bottom{
      position:relative;
      z-index:1;
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#AAA196;
      font-size:14px;
    }
    @media (max-width:1199.98px){
      .hero-grid{grid-template-columns:1fr .85fr;gap:36px}
      .hero-mini{grid-template-columns:repeat(2,1fr)}
      .data-wall{grid-template-columns:repeat(2,1fr)}
      .timeline{grid-template-columns:repeat(3,1fr)}
      .timeline::before{display:none}
    }
    @media (max-width:991.98px){
      .navbar-grid{
        display:flex;
        justify-content:space-between;
      }
      .navbar-brand{align-items:flex-start;min-width:auto}
      .brand-main{font-size:18px}
      .hero{padding:58px 0 64px;min-height:auto}
      .hero-grid{grid-template-columns:1fr}
      .subtitle-panel{max-width:620px}
      .feature-layout{grid-template-columns:1fr}
      .scenario-scroll{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767.98px){
      .section{padding:68px 0}
      .section-tight{padding:56px 0}
      .notice-inner{
        justify-content:flex-start;
        text-align:left;
        font-size:13px;
      }
      .hero-actions .btn{width:100%}
      .hero-mini{grid-template-columns:1fr}
      .feature-large{padding:28px;min-height:auto}
      .feature-small{padding:24px}
      .dark-band{border-radius:30px;padding:30px}
      .data-wall{grid-template-columns:1fr}
      .scenario-scroll{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .contact-card{padding:28px;border-radius:30px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }
    @media (max-width:575.98px){
      .container-custom{width:min(100% - 24px, var(--container))}
      h1{font-size:2.12rem}
      .brand-main{font-size:16px;white-space:normal}
      .brand-sub{display:none}
      .film-grid{grid-template-columns:repeat(3,1fr)}
      .film-cell{height:48px}
      .subtitle-panel{padding:18px;border-radius:28px}
      .panel-top{align-items:flex-start;flex-direction:column}
      .pill{font-size:13px}
      .section-title{margin-bottom:24px}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root {
      --color-primary: #19B7A8;
      --color-primary-dark: #0f8d82;
      --color-accent: #FF7A59;
      --color-ink: #171717;
      --color-ink-soft: #242424;
      --color-muted: #6f6a62;
      --color-bg: #F8F3EA;
      --color-bg-2: #EFE7DC;
      --color-card: #fffaf2;
      --color-line: rgba(111, 96, 77, .22);
      --color-line-strong: rgba(25, 183, 168, .35);
      --shadow-soft: 0 18px 50px rgba(23, 23, 23, .08);
      --shadow-hover: 0 24px 70px rgba(23, 23, 23, .13);
      --radius-lg: 34px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --transition: 220ms ease;
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--color-ink);
      background:
        radial-gradient(circle at 8% 6%, rgba(25, 183, 168, .13), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(255, 122, 89, .12), transparent 32%),
        linear-gradient(180deg, #fbf6ee 0%, var(--color-bg) 42%, #f6efe4 100%);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }

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

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

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

    ::selection {
      background: rgba(25, 183, 168, .22);
      color: var(--color-ink);
    }

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

    .section {
      padding: 92px 0;
      position: relative;
    }

    .section-tight {
      padding: 70px 0;
    }

    .section-title {
      max-width: 760px;
      margin-bottom: 34px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(25, 183, 168, .11);
      color: #08766d;
      border: 1px solid rgba(25, 183, 168, .22);
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 16px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px rgba(25, 183, 168, .12);
    }

    h1, h2, h3 {
      letter-spacing: -.04em;
      color: var(--color-ink);
      margin: 0;
      line-height: 1.15;
      font-weight: 800;
    }

    h1 {
      font-size: clamp(36px, 5vw, 58px);
    }

    h2 {
      font-size: clamp(28px, 3.4vw, 42px);
    }

    h3 {
      font-size: 22px;
    }

    p {
      margin: 0;
      color: var(--color-muted);
    }

    .lead {
      font-size: 18px;
      line-height: 1.8;
      color: #5e5850;
    }

    .btn-custom {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 22px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      letter-spacing: -.01em;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
      cursor: pointer;
      gap: 8px;
    }

    .btn-primary-custom {
      background: linear-gradient(135deg, var(--color-primary), #21d0bc);
      color: #062724;
      box-shadow: 0 14px 34px rgba(25, 183, 168, .28);
    }

    .btn-primary-custom:hover {
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(25, 183, 168, .36);
      color: #062724;
    }

    .btn-secondary-custom {
      background: rgba(255, 250, 242, .8);
      color: var(--color-ink);
      border-color: var(--color-line);
    }

    .btn-secondary-custom:hover {
      background: #fff5e7;
      border-color: rgba(255, 122, 89, .35);
      transform: translateY(-2px);
      color: var(--color-ink);
    }

    .btn-custom:active {
      transform: translateY(0) scale(.98);
    }

    .btn-custom:focus-visible,
    .nav-link-custom:focus-visible,
    .form-control:focus,
    .form-select:focus,
    .accordion-button:focus,
    .navbar-toggler:focus {
      outline: 3px solid rgba(25, 183, 168, .28);
      outline-offset: 3px;
      box-shadow: none;
    }

    .notice-bar {
      background: #241f1b;
      color: #efe7dc;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      font-size: 14px;
    }

    .notice-inner {
      min-height: 42px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .notice-text {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .notice-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-accent);
      box-shadow: 0 0 0 5px rgba(255, 122, 89, .16);
      flex: 0 0 auto;
    }

    .notice-link {
      color: #8ce4db;
      font-weight: 700;
      white-space: nowrap;
    }

    .notice-link:hover {
      color: #ffffff;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(248, 243, 234, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(222, 211, 197, .7);
    }

    .navbar {
      padding: 14px 0;
    }

    .navbar-grid {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      width: 100%;
      gap: 20px;
    }

    .nav-side {
      align-items: center;
      gap: 12px;
    }

    .nav-side.left {
      justify-content: flex-start;
    }

    .nav-side.right {
      justify-content: flex-end;
    }

    .navbar-brand {
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 2px;
      margin: 0;
      padding: 0;
      min-width: 270px;
    }

    .brand-main {
      font-weight: 900;
      font-size: 21px;
      line-height: 1.15;
      letter-spacing: -.04em;
      background: linear-gradient(135deg, var(--color-ink), var(--color-primary-dark));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .brand-sub {
      font-size: 12px;
      color: var(--color-muted);
      letter-spacing: .04em;
      font-weight: 700;
    }

    .nav-link-custom {
      display: inline-flex;
      align-items: center;
      min-height: 40px;
      padding: 8px 14px;
      border-radius: 999px;
      color: #3c3832;
      font-weight: 800;
      font-size: 15px;
      position: relative;
      border: 1px solid transparent;
    }

    .nav-link-custom:hover {
      color: #08766d;
      background: rgba(25, 183, 168, .1);
      border-color: rgba(25, 183, 168, .18);
    }

    .nav-link-custom.active {
      color: #062724;
      background: rgba(25, 183, 168, .16);
      border-color: rgba(25, 183, 168, .28);
    }

    .navbar-toggler {
      border: 1px solid var(--color-line);
      border-radius: 16px;
      width: 48px;
      height: 44px;
      padding: 0;
      justify-self: end;
      background: rgba(255, 250, 242, .76);
    }

    .navbar-toggler-icon {
      background-image: none;
      width: 22px;
      height: 16px;
      position: relative;
      display: inline-block;
    }

    .navbar-toggler-icon::before,
    .navbar-toggler-icon::after,
    .navbar-toggler-icon span {
      content: "";
      position: absolute;
      left: 0;
      width: 22px;
      height: 2px;
      background: var(--color-ink);
      border-radius: 999px;
    }

    .navbar-toggler-icon::before {
      top: 0;
    }

    .navbar-toggler-icon span {
      top: 7px;
    }

    .navbar-toggler-icon::after {
      bottom: 0;
    }

    .mobile-nav {
      padding-top: 16px;
      display: grid;
      gap: 10px;
    }

    .breadcrumb-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      color: var(--color-muted);
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 22px;
    }

    .breadcrumb-wrap a {
      color: #08766d;
    }

    .breadcrumb-wrap a:hover {
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .category-hero {
      padding: 72px 0 52px;
      background:
        linear-gradient(135deg, rgba(255, 250, 242, .68), rgba(239, 231, 220, .7)),
        radial-gradient(circle at 72% 24%, rgba(25, 183, 168, .18), transparent 30%);
      border-bottom: 1px solid rgba(222, 211, 197, .7);
      overflow: hidden;
      position: relative;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      right: -110px;
      top: 26px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background:
        repeating-linear-gradient(90deg, rgba(23, 23, 23, .08) 0 8px, transparent 8px 18px),
        radial-gradient(circle, rgba(255, 122, 89, .18), transparent 65%);
      opacity: .55;
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-copy .lead {
      margin-top: 20px;
      max-width: 720px;
    }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 28px;
    }

    .hero-meta {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 24px;
    }

    .meta-pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 250, 242, .8);
      border: 1px solid var(--color-line);
      color: #4f4941;
      font-size: 13px;
      font-weight: 800;
    }

    .tag.primary {
      background: rgba(25, 183, 168, .12);
      border-color: rgba(25, 183, 168, .24);
      color: #08766d;
    }

    .tag.accent {
      background: rgba(255, 122, 89, .12);
      border-color: rgba(255, 122, 89, .24);
      color: #9d3d27;
    }

    .subtitle-panel {
      background: linear-gradient(160deg, #171717, #242424 62%, #123b37);
      border-radius: var(--radius-lg);
      padding: 28px;
      color: #f8f3ea;
      box-shadow: 0 30px 70px rgba(23, 23, 23, .24);
      border: 1px solid rgba(255, 255, 255, .12);
      position: relative;
      overflow: hidden;
    }

    .subtitle-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 22% 0%, rgba(25, 183, 168, .24), transparent 35%),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .045) 0 1px, transparent 1px 13px);
      pointer-events: none;
    }

    .panel-content {
      position: relative;
      z-index: 1;
    }

    .panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      gap: 12px;
    }

    .panel-title {
      font-weight: 900;
      letter-spacing: -.02em;
    }

    .panel-badge {
      color: #052724;
      background: var(--color-primary);
      border-radius: 999px;
      padding: 6px 10px;
      font-size: 12px;
      font-weight: 900;
    }

    .caption-line {
      height: 12px;
      border-radius: 999px;
      background: rgba(248, 243, 234, .2);
      margin-bottom: 13px;
      overflow: hidden;
    }

    .caption-line span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), rgba(255, 122, 89, .8));
    }

    .panel-list {
      display: grid;
      gap: 10px;
      margin-top: 24px;
    }

    .panel-list-item {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding: 12px 14px;
      border: 1px solid rgba(255, 255, 255, .1);
      border-radius: 18px;
      background: rgba(255, 255, 255, .055);
      font-size: 14px;
    }

    .panel-list-item strong {
      color: #ffffff;
    }

    .panel-list-item span {
      color: #b8d8d4;
      font-weight: 700;
    }

    .filter-layout {
      display: grid;
      grid-template-columns: 270px minmax(0, 1fr);
      gap: 26px;
      align-items: start;
    }

    .filter-box,
    .content-card,
    .info-box,
    .faq-card,
    .contact-card {
      background: rgba(255, 250, 242, .82);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
    }

    .filter-box {
      padding: 24px;
      position: sticky;
      top: 106px;
    }

    .filter-title {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 16px;
      letter-spacing: -.02em;
    }

    .filter-group {
      display: grid;
      gap: 10px;
      margin-bottom: 22px;
    }

    .filter-label {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 900;
    }

    .filter-pill {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 8px;
      padding: 10px 12px;
      border-radius: 16px;
      border: 1px solid rgba(222, 211, 197, .9);
      background: rgba(248, 243, 234, .72);
      color: #403b35;
      font-weight: 800;
      font-size: 14px;
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }

    .filter-pill:hover,
    .filter-pill.active {
      background: rgba(25, 183, 168, .1);
      border-color: rgba(25, 183, 168, .38);
      color: #08766d;
      transform: translateX(3px);
    }

    .filter-pill small {
      color: var(--color-muted);
      font-weight: 800;
    }

    .content-stack {
      display: grid;
      gap: 22px;
    }

    .feature-item {
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 26px;
      padding: 26px;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-line-strong);
    }

    .abstract-cover {
      min-height: 230px;
      border-radius: 26px;
      background:
        linear-gradient(135deg, rgba(25, 183, 168, .85), rgba(255, 122, 89, .62)),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .28) 0 8px, transparent 8px 18px);
      position: relative;
      overflow: hidden;
    }

    .abstract-cover::before,
    .abstract-cover::after {
      content: "";
      position: absolute;
      left: 24px;
      right: 24px;
      height: 12px;
      border-radius: 999px;
      background: rgba(23, 23, 23, .52);
      box-shadow: 0 24px 0 rgba(23, 23, 23, .32), 0 48px 0 rgba(23, 23, 23, .18);
    }

    .abstract-cover::before {
      bottom: 70px;
    }

    .abstract-cover::after {
      bottom: 34px;
      width: 54%;
      right: auto;
      background: rgba(255, 250, 242, .72);
      box-shadow: none;
    }

    .card-kicker {
      display: inline-flex;
      align-items: center;
      font-size: 13px;
      font-weight: 900;
      color: #08766d;
      margin-bottom: 10px;
    }

    .item-title {
      margin-bottom: 12px;
    }

    .item-desc {
      margin-bottom: 18px;
      max-width: 650px;
    }

    .tag-row {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 22px;
    }

    .item-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      border-top: 1px solid rgba(222, 211, 197, .8);
      padding-top: 18px;
    }

    .status {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 800;
    }

    .mini-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 22px;
    }

    .mini-card {
      padding: 24px;
      min-height: 260px;
      display: flex;
      flex-direction: column;
    }

    .mini-icon {
      width: 48px;
      height: 48px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      margin-bottom: 18px;
      background: linear-gradient(135deg, rgba(25, 183, 168, .18), rgba(255, 122, 89, .16));
      border: 1px solid rgba(25, 183, 168, .24);
      font-weight: 900;
      color: #08766d;
    }

    .mini-card h3 {
      margin-bottom: 12px;
    }

    .mini-card p {
      margin-bottom: 18px;
    }

    .mini-card .item-footer {
      margin-top: auto;
    }

    .info-section {
      background: #201d1a;
      color: #f8f3ea;
      overflow: hidden;
    }

    .info-section h2,
    .info-section h3 {
      color: #fffaf2;
    }

    .info-section p {
      color: #d7cfc3;
    }

    .info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .info-box {
      padding: 32px;
      background: linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.035));
      border-color: rgba(255, 255, 255, .12);
      color: #f8f3ea;
      box-shadow: none;
    }

    .info-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
    }

    .info-list li {
      list-style: none;
      padding: 15px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .06);
      border: 1px solid rgba(255, 255, 255, .09);
      display: flex;
      gap: 12px;
      color: #e7ded2;
    }

    .info-list li::before {
      content: "✓";
      flex: 0 0 auto;
      color: var(--color-primary);
      font-weight: 900;
    }

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

    .step-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: rgba(255, 250, 242, .84);
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: var(--color-line-strong);
      box-shadow: var(--shadow-hover);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #171717;
      color: var(--color-primary);
      font-weight: 900;
      margin-bottom: 18px;
      box-shadow: inset 0 0 0 1px rgba(25, 183, 168, .4);
    }

    .step-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

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

    .accordion-item {
      border: 1px solid var(--color-line);
      border-radius: 22px !important;
      overflow: hidden;
      background: rgba(255, 250, 242, .8);
      box-shadow: 0 12px 35px rgba(23, 23, 23, .05);
    }

    .accordion-button {
      background: transparent;
      color: var(--color-ink);
      font-weight: 900;
      font-size: 17px;
      padding: 19px 22px;
      border: 0;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(25, 183, 168, .1);
      color: #08766d;
      box-shadow: inset 5px 0 0 var(--color-primary);
    }

    .accordion-button::after {
      filter: grayscale(1);
      opacity: .7;
    }

    .accordion-body {
      padding: 0 22px 22px 27px;
      color: var(--color-muted);
      line-height: 1.85;
      background: rgba(25, 183, 168, .04);
    }

    .contact-card {
      padding: 34px;
      background:
        radial-gradient(circle at 88% 12%, rgba(255, 122, 89, .16), transparent 28%),
        linear-gradient(135deg, rgba(255, 250, 242, .94), rgba(239, 231, 220, .86));
    }

    .contact-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 32px;
      align-items: start;
    }

    .contact-note {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .note-item {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .56);
      border: 1px solid rgba(222, 211, 197, .9);
      color: #504a43;
      font-weight: 700;
      font-size: 14px;
    }

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

    .form-control,
    .form-select {
      min-height: 52px;
      border-radius: 18px;
      border: 1px solid rgba(188, 174, 156, .82);
      background-color: rgba(255, 250, 242, .86);
      color: var(--color-ink);
      padding: 12px 15px;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }

    textarea.form-control {
      min-height: 136px;
      resize: vertical;
    }

    .form-control:focus,
    .form-select:focus {
      border-color: var(--color-primary);
      background-color: #fffdf8;
      box-shadow: 0 0 0 5px rgba(25, 183, 168, .12);
    }

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

    .site-footer {
      background: #171717;
      color: #ded3c5;
      padding: 64px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .7fr .7fr;
      gap: 42px;
      padding-bottom: 40px;
    }

    .footer-brand {
      color: #fffaf2;
      font-size: 22px;
      font-weight: 900;
      letter-spacing: -.04em;
      margin-bottom: 12px;
    }

    .site-footer p {
      color: #bdb2a5;
      max-width: 520px;
    }

    .footer-title {
      color: #fffaf2;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: #bdb2a5;
      font-weight: 700;
    }

    .footer-links a:hover {
      color: var(--color-primary);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      color: #9f9588;
      font-size: 14px;
      font-weight: 700;
    }

    @media (max-width: 1199.98px) {
      .hero-grid,
      .filter-layout,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .filter-box {
        position: static;
      }

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

      .feature-item {
        grid-template-columns: 220px minmax(0, 1fr);
      }

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

    @media (max-width: 991.98px) {
      .navbar-grid {
        grid-template-columns: 1fr auto;
      }

      .navbar-brand {
        align-items: flex-start;
        min-width: auto;
      }

      .category-hero {
        padding: 56px 0 42px;
      }

      .subtitle-panel {
        max-width: 680px;
      }

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

    @media (max-width: 767.98px) {
      .container-custom {
        width: min(100% - 28px, var(--container));
      }

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 52px 0;
      }

      .notice-inner {
        min-height: auto;
        padding: 9px 0;
        align-items: flex-start;
      }

      .notice-link {
        display: none;
      }

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

      .btn-custom {
        width: 100%;
      }

      .filter-box .filter-group,
      .mini-grid,
      .feature-item,
      .step-row,
      .form-grid {
        grid-template-columns: 1fr;
      }

      .feature-item {
        padding: 20px;
      }

      .abstract-cover {
        min-height: 190px;
      }

      .item-footer {
        flex-direction: column;
        align-items: flex-start;
      }

      .contact-card,
      .info-box {
        padding: 24px;
      }

      .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      body {
        font-size: 15px;
      }

      .brand-main {
        font-size: 17px;
      }

      .brand-sub {
        font-size: 11px;
      }

      .navbar {
        padding: 10px 0;
      }

      .subtitle-panel {
        padding: 20px;
        border-radius: 26px;
      }

      .panel-top {
        align-items: flex-start;
        flex-direction: column;
      }

      .filter-box,
      .content-card,
      .contact-card,
      .info-box {
        border-radius: 24px;
      }

      .mini-card,
      .step-card {
        padding: 20px;
      }

      .meta-pill,
      .tag {
        font-size: 12px;
      }
    }