/* roulang page: index */
:root{
      --bg: #0f0d0c;
      --bg-2: #171110;
      --bg-3: #f7f1e8;
      --surface: #fffaf3;
      --surface-2: #f1e8db;
      --surface-3: #f7f1e8;
      --text: #201915;
      --muted: #6d5d56;
      --muted-2: #85746c;
      --line: #e5d7c8;
      --line-2: rgba(255,255,255,.12);
      --brand: #7d1f2c;
      --brand-2: #a53a45;
      --brand-3: #c09a6a;
      --accent: #d2af7f;
      --accent-2: #edd6b4;
      --white: #ffffff;
      --shadow: 0 18px 45px rgba(22, 14, 12, .12);
      --shadow-2: 0 24px 60px rgba(20, 12, 10, .18);
      --radius: 22px;
      --radius-sm: 16px;
      --radius-lg: 30px;
      --container: 1180px;
      --gap: 24px;
      --gap-lg: 34px;
      --space: clamp(18px, 2.5vw, 28px);
      --transition: 180ms ease;
      --header-h: 76px;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(1200px 500px at 15% 0%, rgba(125,31,44,.18), transparent 60%),
        radial-gradient(900px 380px at 85% 16%, rgba(208,151,83,.12), transparent 55%),
        linear-gradient(180deg, #140f10 0%, #171112 360px, #f7f1e8 360px, #f7f1e8 100%);
      line-height: 1.72;
      min-height: 100vh;
      overflow-x: hidden;
    }
    img{
      display:block;
      max-width:100%;
      height:auto;
    }
    a{
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), transform var(--transition), opacity var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    button, input, textarea, select{
      font: inherit;
    }
    button{
      border:0;
      background:none;
      padding:0;
      cursor:pointer;
    }
    ::selection{
      background: rgba(125,31,44,.22);
      color: var(--text);
    }
    .skip-link{
      position:absolute;
      left: 16px;
      top: -60px;
      z-index: 1000;
      padding: 12px 16px;
      border-radius: 999px;
      background: var(--white);
      color: var(--brand);
      box-shadow: var(--shadow);
    }
    .skip-link:focus{
      top: 16px;
      outline: none;
    }

    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header{
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(18px);
      background: rgba(14, 11, 11, .62);
      border-bottom: 1px solid rgba(255,255,255,.08);
      transition: box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
    }
    .site-header.is-scrolled{
      box-shadow: 0 10px 30px rgba(0,0,0,.12);
      background: rgba(14, 11, 11, .84);
      border-bottom-color: rgba(255,255,255,.06);
    }
    .header-inner{
      min-height: var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap: 14px;
      color: var(--white);
      min-width: 0;
    }
    .brand-mark{
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.06)),
        linear-gradient(135deg, var(--brand), #3e1118);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 12px 28px rgba(0,0,0,.24);
      position: relative;
      flex: 0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset: 10px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.34);
      transform: rotate(12deg);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      min-width: 0;
    }
    .brand-text strong{
      font-size: 16px;
      line-height: 1.15;
      letter-spacing: .2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-text span{
      font-size: 12px;
      color: rgba(255,255,255,.68);
      margin-top: 3px;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      gap: 14px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap: 8px;
    }
    .site-nav a{
      color: rgba(255,255,255,.82);
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 14px;
      letter-spacing: .1px;
      border: 1px solid transparent;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color: var(--white);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.08);
      outline: none;
    }
    .site-nav a.active{
      background: rgba(210,175,127,.12);
      color: #fff3de;
      border-color: rgba(210,175,127,.26);
    }
    .header-action{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 8px;
      padding: 11px 16px;
      border-radius: 999px;
      color: #fff5e8;
      background: linear-gradient(135deg, var(--brand), #5f1620);
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: 0 14px 30px rgba(125,31,44,.26);
      font-size: 14px;
      white-space: nowrap;
    }
    .header-action:hover,
    .header-action:focus-visible{
      transform: translateY(-1px);
      box-shadow: 0 18px 38px rgba(125,31,44,.32);
      outline: none;
    }
    .menu-toggle{
      display:none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      align-items:center;
      justify-content:center;
      gap: 5px;
      flex-direction: column;
      transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
    }
    .menu-toggle span{
      display:block;
      width: 18px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      opacity: .92;
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.18);
      outline: none;
    }

    main{
      display:block;
      padding-bottom: 24px;
    }

    .hero{
      position: relative;
      padding: 34px 0 24px;
      color: var(--white);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset: 0 0 auto 0;
      height: 100%;
      background:
        linear-gradient(180deg, rgba(14,11,11,.92) 0%, rgba(14,11,11,.76) 44%, rgba(247,241,232,0) 100%);
      pointer-events:none;
      z-index:0;
    }
    .hero .container{
      position: relative;
      z-index: 1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
      grid-template-areas:
        "copy visual"
        "actions visual";
      gap: 24px;
      align-items: start;
    }
    .hero-copy{
      grid-area: copy;
      padding: clamp(8px, 1vw, 16px) 0 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      color: rgba(255,255,255,.9);
      font-size: 13px;
      letter-spacing: .18px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
    }
    .hero h1{
      margin: 18px 0 12px;
      font-size: clamp(42px, 5.4vw, 72px);
      line-height: .98;
      letter-spacing: -1.2px;
      font-weight: 800;
      text-wrap: balance;
      max-width: 11ch;
    }
    .hero-lead{
      max-width: 62ch;
      margin: 0;
      font-size: clamp(16px, 1.6vw, 18px);
      color: rgba(255,255,255,.78);
      text-wrap: pretty;
    }
    .quick-strip{
      margin-top: 22px;
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }
    .quick-chip{
      display:flex;
      align-items:flex-start;
      gap: 10px;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
      min-height: 74px;
    }
    .quick-chip i{
      width: 10px;
      height: 10px;
      margin-top: 6px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--accent), #f1d7af);
      box-shadow: 0 0 0 6px rgba(210,175,127,.12);
      flex: 0 0 auto;
    }
    .quick-chip strong{
      display:block;
      font-size: 14px;
      color: #fff7ee;
      line-height: 1.2;
    }
    .quick-chip span{
      display:block;
      margin-top: 4px;
      font-size: 12px;
      color: rgba(255,255,255,.64);
      line-height: 1.45;
    }

    .hero-visual{
      grid-area: visual;
      position: relative;
      border-radius: var(--radius-lg);
      overflow:hidden;
      min-height: 540px;
      box-shadow: var(--shadow-2);
      border: 1px solid rgba(255,255,255,.1);
      background: #281516;
    }
    .hero-visual img{
      width:100%;
      height:100%;
      object-fit: cover;
      filter: contrast(1.04) saturate(.94);
      transform: scale(1.01);
    }
    .hero-visual::before{
      content:"";
      position:absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(10,8,8,.08) 0%, rgba(10,8,8,.46) 78%, rgba(10,8,8,.72) 100%),
        radial-gradient(800px 380px at 50% 12%, rgba(255,255,255,.06), transparent 60%);
      z-index: 1;
      pointer-events:none;
    }
    .hero-visual .visual-copy{
      position:absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
      z-index: 2;
      display:flex;
      flex-direction:column;
      gap: 10px;
    }
    .visual-badge{
      align-self:flex-start;
      display:inline-flex;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.14);
      color: #fff5ea;
      font-size: 12px;
      letter-spacing: .14px;
      backdrop-filter: blur(10px);
    }
    .visual-card{
      display:grid;
      gap: 10px;
      padding: 18px 18px 17px;
      border-radius: 22px;
      background: rgba(17,12,13,.6);
      border: 1px solid rgba(255,255,255,.1);
      backdrop-filter: blur(12px);
    }
    .visual-card strong{
      font-size: 18px;
      line-height: 1.2;
      color: #fff9f2;
    }
    .visual-card p{
      margin:0;
      font-size: 13px;
      line-height: 1.6;
      color: rgba(255,255,255,.74);
    }

    .hero-actions{
      grid-area: actions;
      display:flex;
      align-items:center;
      gap: 12px;
      flex-wrap: wrap;
      padding-top: 4px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 9px;
      min-height: 48px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 15px;
      letter-spacing: .1px;
      border: 1px solid transparent;
      white-space: nowrap;
      transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
    }
    .btn:focus-visible{
      outline: 3px solid rgba(210,175,127,.28);
      outline-offset: 2px;
    }
    .btn-primary{
      color: #fff7ef;
      background: linear-gradient(135deg, var(--brand), #5d1620);
      box-shadow: 0 14px 26px rgba(125,31,44,.28);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      transform: translateY(-1px);
      box-shadow: 0 18px 34px rgba(125,31,44,.34);
      border-color: rgba(255,255,255,.08);
    }
    .btn-secondary{
      color: #fff6ea;
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.16);
      backdrop-filter: blur(10px);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible{
      transform: translateY(-1px);
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.26);
    }
    .btn-light{
      color: var(--text);
      background: var(--white);
      border-color: var(--line);
      box-shadow: var(--shadow);
    }
    .btn-light:hover,
    .btn-light:focus-visible{
      transform: translateY(-1px);
      border-color: #d7c3aa;
      box-shadow: 0 18px 34px rgba(31, 22, 16, .1);
    }

    .section{
      padding: 24px 0;
    }
    .section-alt{
      background: linear-gradient(180deg, rgba(255,255,255,.22), rgba(255,255,255,.46));
    }
    .section-dark{
      position: relative;
      padding: 28px 0 40px;
      background: linear-gradient(180deg, #1a1212 0%, #110d0d 100%);
      color: var(--white);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap: 18px;
      margin-bottom: 18px;
    }
    .section-title{
      margin:0;
      font-size: clamp(24px, 2.4vw, 34px);
      line-height: 1.1;
      letter-spacing: -.5px;
      color: inherit;
      text-wrap: balance;
    }
    .section-lead{
      margin: 8px 0 0;
      color: var(--muted);
      font-size: 15px;
      max-width: 60ch;
    }
    .section-dark .section-lead{
      color: rgba(255,255,255,.68);
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap: 6px;
      font-size: 14px;
      color: var(--brand);
      padding-bottom: 2px;
      border-bottom: 1px solid transparent;
    }
    .section-link:hover,
    .section-link:focus-visible{
      color: #5d1620;
      border-bottom-color: currentColor;
      outline:none;
    }

    .featured-layout{
      display:grid;
      grid-template-columns: minmax(0, 1.42fr) minmax(300px, .78fr);
      gap: 18px;
      align-items: stretch;
    }
    .feature-stack{
      display:grid;
      gap: 18px;
    }
    .feature-card{
      position: relative;
      display:block;
      overflow:hidden;
      border-radius: var(--radius);
      min-height: 240px;
      background: #1d1415;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      isolation:isolate;
      transform: translateY(0);
    }
    .feature-card:hover,
    .feature-card:focus-visible{
      transform: translateY(-3px);
      box-shadow: var(--shadow-2);
      outline:none;
      border-color: rgba(125,31,44,.22);
    }
    .feature-card img{
      width:100%;
      height:100%;
      object-fit: cover;
      transition: transform 260ms ease, filter 260ms ease;
      filter: saturate(.95) contrast(1.02);
    }
    .feature-card:hover img,
    .feature-card:focus-visible img{
      transform: scale(1.03);
    }
    .feature-card::after{
      content:"";
      position:absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(18,11,11,.08) 0%, rgba(18,11,11,.4) 42%, rgba(18,11,11,.82) 100%);
      z-index: 1;
    }
    .feature-content{
      position:absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      z-index: 2;
      display:grid;
      gap: 8px;
    }
    .feature-content .tag-row{
      display:flex;
      gap: 8px;
      flex-wrap: wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      min-height: 28px;
      padding: 0 12px;
      border-radius: 999px;
      font-size: 12px;
      line-height: 1;
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.14);
      color: #fff4e6;
    }
    .badge-brand{
      background: rgba(125,31,44,.18);
      border-color: rgba(125,31,44,.28);
      color: #ffe4e8;
    }
    .feature-content h3{
      margin: 0;
      font-size: clamp(20px, 2vw, 28px);
      line-height: 1.15;
      color: #fff8f1;
      text-wrap: balance;
    }
    .feature-content p{
      margin: 0;
      color: rgba(255,255,255,.74);
      font-size: 14px;
      max-width: 54ch;
      line-height: 1.7;
    }
    .feature-content .more{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      color: #fff2df;
      font-size: 13px;
      font-weight: 700;
    }
    .feature-compact{
      min-height: 211px;
    }

    .strip-grid{
      display:grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .strip-card{
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 18px 18px 16px;
      box-shadow: 0 10px 24px rgba(24, 16, 12, .06);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      min-height: 132px;
    }
    .strip-card:hover{
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(24, 16, 12, .09);
      border-color: rgba(125,31,44,.16);
    }
    .strip-card .icon{
      display:inline-flex;
      width: 38px;
      height: 38px;
      align-items:center;
      justify-content:center;
      border-radius: 14px;
      background: rgba(125,31,44,.08);
      color: var(--brand);
      margin-bottom: 12px;
      font-size: 18px;
    }
    .strip-card strong{
      display:block;
      font-size: 15px;
      line-height: 1.3;
      margin-bottom: 6px;
    }
    .strip-card span{
      display:block;
      font-size: 13px;
      line-height: 1.65;
      color: var(--muted);
    }

    .news-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .news-card{
      border-radius: var(--radius);
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: 0 12px 26px rgba(23, 15, 12, .06);
      overflow:hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .news-card:hover{
      transform: translateY(-3px);
      box-shadow: 0 18px 38px rgba(23, 15, 12, .1);
      border-color: rgba(125,31,44,.18);
    }
    .news-link{
      display:flex;
      flex-direction:column;
      gap: 12px;
      padding: 20px;
      height: 100%;
      color: inherit;
    }
    .news-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap: 10px;
      justify-content:space-between;
    }
    .news-meta time{
      font-size: 12px;
      color: var(--muted-2);
    }
    .news-card h3{
      margin:0;
      font-size: 18px;
      line-height: 1.35;
      letter-spacing: -.2px;
      text-wrap: balance;
    }
    .news-card p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.72;
      min-height: 5.2em;
    }
    .news-more{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap: 8px;
      color: var(--brand);
      font-weight: 700;
      font-size: 13px;
    }
    .news-more::after{
      content:"→";
      transition: transform var(--transition);
    }
    .news-card:hover .news-more::after{
      transform: translateX(3px);
    }
    .empty-state{
      grid-column: 1 / -1;
      display:flex;
      align-items:center;
      justify-content:center;
      min-height: 170px;
      padding: 24px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, #fffdf9, #faf4ec);
      border: 1px dashed #d8c7b2;
      color: var(--muted);
      box-shadow: 0 10px 24px rgba(23, 15, 12, .04);
      text-align:center;
      font-size: 15px;
    }

    .info-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }
    .info-card{
      position: relative;
      overflow:hidden;
      padding: 22px 20px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, #fffdf9 0%, #f8f1e8 100%);
      border: 1px solid var(--line);
      box-shadow: 0 12px 24px rgba(25, 17, 12, .06);
    }
    .info-card::before{
      content:"";
      position:absolute;
      inset: auto -28px -28px auto;
      width: 110px;
      height: 110px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(125,31,44,.14), transparent 65%);
      pointer-events:none;
    }
    .info-card .meta{
      display:flex;
      align-items:center;
      gap: 10px;
      margin-bottom: 12px;
      color: var(--brand);
      font-weight: 700;
      font-size: 13px;
    }
    .info-card h3{
      margin: 0 0 8px;
      font-size: 18px;
      line-height: 1.3;
    }
    .info-card p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.74;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
      gap: 18px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap: 12px;
    }
    details.faq-item{
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      overflow:hidden;
      box-shadow: 0 12px 22px rgba(0,0,0,.12);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding: 18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 12px;
      font-weight: 700;
      font-size: 15px;
      color: #fff7ee;
    }
    .faq-item summary::-webkit-details-marker{
      display:none;
    }
    .faq-item summary::after{
      content:"＋";
      color: rgba(255,255,255,.72);
      font-weight: 400;
      transition: transform var(--transition);
    }
    .faq-item[open] summary::after{
      content:"－";
    }
    .faq-item .answer{
      padding: 0 18px 18px;
      color: rgba(255,255,255,.68);
      font-size: 14px;
      line-height: 1.8;
    }
    .faq-aside{
      position: sticky;
      top: calc(var(--header-h) + 18px);
      border-radius: 24px;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(255,255,255,.96) 0%, rgba(247,241,232,.98) 100%);
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 18px 42px rgba(0,0,0,.14);
      color: var(--text);
    }
    .faq-aside .aside-cover{
      aspect-ratio: 16 / 10;
      overflow:hidden;
    }
    .faq-aside .aside-cover img{
      width:100%;
      height:100%;
      object-fit: cover;
    }
    .faq-aside .aside-body{
      padding: 18px;
    }
    .faq-aside h3{
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.25;
    }
    .faq-aside p{
      margin:0 0 16px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }
    .mini-list{
      display:grid;
      gap: 10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      gap: 10px;
      align-items:flex-start;
      color: var(--text);
      font-size: 14px;
      line-height: 1.7;
    }
    .mini-list li::before{
      content:"";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--accent);
      margin-top: 8px;
      flex: 0 0 auto;
      box-shadow: 0 0 0 5px rgba(210,175,127,.15);
    }

    .contact-grid{
      display:grid;
      grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
      gap: 18px;
      align-items: start;
    }
    .contact-panel,
    .form-panel{
      border-radius: var(--radius);
      background: var(--white);
      border: 1px solid var(--line);
      box-shadow: 0 12px 26px rgba(23, 15, 12, .06);
      overflow:hidden;
    }
    .contact-panel{
      padding: 22px;
      background:
        linear-gradient(180deg, #fffdf9 0%, #f8f2eb 100%);
    }
    .contact-panel h3,
    .form-panel h3{
      margin: 0 0 10px;
      font-size: 22px;
      line-height: 1.25;
    }
    .contact-panel p,
    .form-panel p{
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }
    .contact-cards{
      display:grid;
      gap: 12px;
      margin-top: 18px;
    }
    .contact-card{
      padding: 16px 16px 15px;
      border-radius: 18px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.7);
    }
    .contact-card strong{
      display:block;
      margin-bottom: 6px;
      font-size: 14px;
    }
    .contact-card span{
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .form-panel{
      padding: 22px;
    }
    .form-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
      margin-top: 18px;
    }
    .field{
      display:grid;
      gap: 8px;
    }
    .field.full{
      grid-column: 1 / -1;
    }
    .field label{
      font-size: 13px;
      font-weight: 700;
      color: var(--text);
    }
    .field input,
    .field textarea{
      width: 100%;
      border: 1px solid #dccdbd;
      background: #fffdf9;
      border-radius: 16px;
      color: var(--text);
      padding: 13px 14px;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
      outline:none;
    }
    .field input::placeholder,
    .field textarea::placeholder{
      color: #a29185;
    }
    .field input:focus,
    .field textarea:focus{
      border-color: rgba(125,31,44,.36);
      box-shadow: 0 0 0 4px rgba(125,31,44,.09);
      background: #fff;
    }
    .field textarea{
      min-height: 140px;
      resize: vertical;
    }
    .form-actions{
      display:flex;
      flex-wrap:wrap;
      gap: 12px;
      margin-top: 18px;
      align-items:center;
      justify-content:space-between;
    }
    .form-note{
      font-size: 13px;
      color: var(--muted);
    }

    .site-footer{
      margin-top: 18px;
      background: linear-gradient(180deg, #120d0d 0%, #0c0909 100%);
      color: rgba(255,255,255,.82);
      border-top: 1px solid rgba(255,255,255,.08);
    }
    .footer-inner{
      padding: 34px 0 22px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns: minmax(0, 1.28fr) repeat(3, minmax(0, .58fr));
      gap: 18px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      flex-direction:column;
      gap: 10px;
      max-width: 36ch;
    }
    .footer-brand strong{
      font-size: 20px;
      color: #fff7ef;
      line-height: 1.25;
    }
    .footer-brand p{
      margin:0;
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255,255,255,.68);
    }
    .footer-col h4{
      margin: 0 0 12px;
      font-size: 14px;
      color: #fff4e4;
      letter-spacing: .15px;
    }
    .footer-col a{
      display:block;
      width: fit-content;
      padding: 6px 0;
      font-size: 14px;
      color: rgba(255,255,255,.72);
      border-bottom: 1px solid transparent;
    }
    .footer-col a:hover,
    .footer-col a:focus-visible{
      color: #fff8ef;
      border-bottom-color: rgba(255,255,255,.28);
      outline: none;
    }
    .footer-bottom{
      margin-top: 24px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap: 12px;
      flex-wrap:wrap;
      font-size: 13px;
      color: rgba(255,255,255,.54);
    }
    .footer-bottom a{
      color: rgba(255,255,255,.76);
    }

    @media (max-width: 1200px){
      .hero-grid{
        grid-template-columns: minmax(0, 1fr) minmax(280px, .86fr);
      }
      .quick-strip{
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .strip-grid,
      .info-grid{
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
      .footer-grid{
        grid-template-columns: minmax(0, 1fr) repeat(2, minmax(0, .7fr));
      }
    }
    @media (max-width: 992px){
      .hero{
        padding-top: 24px;
      }
      .hero-grid{
        grid-template-columns: 1fr;
        grid-template-areas:
          "copy"
          "visual"
          "actions";
      }
      .hero-visual{
        min-height: 420px;
      }
      .featured-layout,
      .faq-grid,
      .contact-grid{
        grid-template-columns: 1fr;
      }
      .faq-aside{
        position: static;
      }
      .news-grid{
        grid-template-columns: 1fr;
      }
      .footer-grid{
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px){
      :root{
        --header-h: 68px;
      }
      .header-inner{
        gap: 10px;
      }
      .menu-toggle{
        display:inline-flex;
      }
      .nav-wrap{
        margin-left: auto;
      }
      .site-nav{
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(var(--header-h) - 2px);
        display: none;
        flex-direction: column;
        gap: 4px;
        padding: 10px;
        border-radius: 20px;
        background: rgba(16, 12, 12, .96);
        border: 1px solid rgba(255,255,255,.1);
        box-shadow: var(--shadow-2);
      }
      .nav-open .site-nav{
        display:flex;
      }
      .site-nav a{
        width: 100%;
        padding: 12px 14px;
      }
      .header-action{
        display:none;
      }
      .hero h1{
        max-width: 100%;
      }
      .hero-lead{
        font-size: 15px;
      }
      .quick-strip{
        grid-template-columns: 1fr;
      }
      .strip-grid,
      .info-grid,
      .footer-grid{
        grid-template-columns: 1fr;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .form-grid{
        grid-template-columns: 1fr;
      }
      .form-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{
        width: 100%;
      }
      .footer-bottom{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width: 576px){
      .container{
        width: min(var(--container), calc(100% - 24px));
      }
      .hero{
        padding-top: 18px;
      }
      .hero h1{
        font-size: clamp(34px, 12vw, 46px);
      }
      .hero-visual{
        min-height: 340px;
        border-radius: 26px;
      }
      .feature-card{
        min-height: 220px;
      }
      .news-link,
      .contact-panel,
      .form-panel{
        padding: 18px;
      }
      .visual-card{
        padding: 16px;
      }
      .section{
        padding: 18px 0;
      }
      .section-dark{
        padding-bottom: 34px;
      }
      .strip-card,
      .info-card{
        padding: 18px 16px;
      }
      .faq-item summary{
        padding: 16px;
      }
      .faq-item .answer{
        padding: 0 16px 16px;
      }
    }

/* roulang page: article */
:root{
      --bg: #0f0d0c;
      --bg-2: #171110;
      --bg-3: #f7f1e8;
      --surface: #fffaf3;
      --surface-2: #f1e8db;
      --surface-3: #f7f1e8;
      --text: #201915;
      --muted: #6d5d56;
      --muted-2: #85746c;
      --line: #e5d7c8;
      --line-2: rgba(255,255,255,.12);
      --brand: #7d1f2c;
      --brand-2: #a53a45;
      --brand-3: #c09a6a;
      --accent: #d2af7f;
      --accent-2: #edd6b4;
      --white: #ffffff;
      --shadow: 0 18px 45px rgba(22, 14, 12, .12);
      --shadow-2: 0 24px 60px rgba(20, 12, 10, .18);
      --radius: 22px;
      --radius-sm: 16px;
      --radius-lg: 30px;
      --container: 1180px;
      --gap: 24px;
      --gap-lg: 34px;
      --space: clamp(18px, 2.5vw, 28px);
      --transition: 180ms ease;
      --header-h: 76px;
    }

    *{
      box-sizing: border-box;
    }

    html{
      scroll-behavior: smooth;
    }

    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(1200px 500px at 15% 0%, rgba(125,31,44,.18), transparent 60%),
        radial-gradient(900px 380px at 85% 16%, rgba(208,151,83,.12), transparent 55%),
        linear-gradient(180deg, #140f10 0%, #171112 330px, #f7f1e8 330px, #f7f1e8 100%);
      line-height: 1.72;
      min-height: 100vh;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      text-rendering: optimizeLegibility;
    }

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

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

    a:hover{
      color: inherit;
    }

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

    button{
      border:0;
      background:none;
      padding:0;
      cursor:pointer;
    }

    input, textarea{
      outline: none;
    }

    .container{
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header{
      position: sticky;
      top: 0;
      z-index: 100;
      backdrop-filter: blur(18px);
      background: rgba(14, 11, 11, .62);
      border-bottom: 1px solid rgba(255,255,255,.08);
      transition: box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
    }

    .site-header.is-scrolled{
      box-shadow: 0 10px 30px rgba(0,0,0,.12);
      background: rgba(14, 11, 11, .84);
      border-bottom-color: rgba(255,255,255,.06);
    }

    .header-inner{
      min-height: var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 18px;
    }

    .brand{
      display:flex;
      align-items:center;
      gap: 14px;
      color: var(--white);
      min-width: 0;
    }

    .brand-mark{
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.18), rgba(255,255,255,.06)),
        linear-gradient(135deg, var(--brand), #3e1118);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.12), 0 12px 28px rgba(0,0,0,.24);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after{
      content:"";
      position:absolute;
      inset: 10px;
      border-radius: 10px;
      border: 1px solid rgba(255,255,255,.34);
      transform: rotate(12deg);
    }

    .brand-text{
      display:flex;
      flex-direction:column;
      min-width: 0;
    }

    .brand-text strong{
      font-size: 16px;
      line-height: 1.15;
      letter-spacing: .2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 270px;
    }

    .brand-text span{
      font-size: 12px;
      color: rgba(255,255,255,.68);
      margin-top: 3px;
    }

    .nav-wrap{
      display:flex;
      align-items:center;
      gap: 14px;
    }

    .site-nav{
      display:flex;
      align-items:center;
      gap: 8px;
    }

    .site-nav a{
      color: rgba(255,255,255,.82);
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 14px;
      letter-spacing: .1px;
      border: 1px solid transparent;
    }

    .site-nav a:hover,
    .site-nav a:focus-visible{
      color: var(--white);
      background: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.08);
      outline: none;
    }

    .site-nav a.active{
      background: rgba(210,175,127,.12);
      color: #fff3de;
      border-color: rgba(210,175,127,.26);
    }

    .header-action{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 8px;
      padding: 11px 16px;
      border-radius: 999px;
      color: #fff5e8;
      background: linear-gradient(135deg, var(--brand), #5f1620);
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: 0 14px 30px rgba(125,31,44,.26);
      font-size: 14px;
      white-space: nowrap;
    }

    .header-action:hover,
    .header-action:focus-visible{
      transform: translateY(-1px);
      box-shadow: 0 18px 38px rgba(125,31,44,.32);
      outline: none;
      color: #fff5e8;
    }

    .header-action:active{
      transform: translateY(0);
      box-shadow: inset 0 3px 8px rgba(0,0,0,.18);
    }

    .menu-toggle{
      display:none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      align-items:center;
      justify-content:center;
      gap: 5px;
      flex-direction: column;
      transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
    }

    .menu-toggle span{
      display:block;
      width: 18px;
      height: 2px;
      background: #fff;
      border-radius: 2px;
      opacity: .92;
    }

    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      background: rgba(255,255,255,.1);
      border-color: rgba(255,255,255,.18);
      outline: none;
    }

    main{
      display:block;
      padding-bottom: 28px;
    }

    .article-hero{
      position: relative;
      color: var(--white);
      padding: 42px 0 54px;
      overflow: hidden;
    }

    .article-hero::before{
      content:"";
      position:absolute;
      inset: 0;
      background:
        linear-gradient(180deg, rgba(15,13,12,.92) 0%, rgba(15,13,12,.78) 48%, rgba(247,241,232,0) 100%),
        radial-gradient(560px 280px at 82% 18%, rgba(210,175,127,.18), transparent 62%);
      pointer-events:none;
      z-index:0;
    }

    .article-hero .container{
      position:relative;
      z-index:1;
    }

    .breadcrumb-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap: 9px;
      color: rgba(255,255,255,.72);
      font-size: 14px;
      margin-bottom: 22px;
    }

    .breadcrumb-line a{
      color: #f7dfb9;
      border-bottom: 1px solid transparent;
    }

    .breadcrumb-line a:hover,
    .breadcrumb-line a:focus-visible{
      color: #fff4dc;
      border-bottom-color: rgba(247,223,185,.62);
      outline: none;
    }

    .breadcrumb-line .sep{
      color: rgba(255,255,255,.34);
    }

    .article-hero-grid{
      display:grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .72fr);
      gap: clamp(28px, 5vw, 58px);
      align-items:center;
    }

    .article-kicker{
      display:inline-flex;
      align-items:center;
      gap: 9px;
      padding: 7px 12px;
      border-radius: 999px;
      border: 1px solid rgba(210,175,127,.28);
      background: rgba(210,175,127,.1);
      color: #f1d6ad;
      font-size: 13px;
      margin-bottom: 16px;
    }

    .article-kicker::before{
      content:"";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 0 5px rgba(210,175,127,.1);
    }

    .article-title{
      margin:0;
      font-size: clamp(30px, 5.2vw, 58px);
      line-height:1.08;
      letter-spacing: -.04em;
      font-weight: 800;
      max-width: 870px;
    }

    .article-summary{
      margin: 18px 0 0;
      max-width: 780px;
      color: rgba(255,255,255,.78);
      font-size: clamp(16px, 1.5vw, 18px);
      line-height: 1.9;
    }

    .meta-bar{
      margin-top: 24px;
      display:flex;
      flex-wrap:wrap;
      gap: 10px;
      align-items:center;
    }

    .meta-pill,
    .badge-soft{
      display:inline-flex;
      align-items:center;
      gap: 7px;
      min-height: 34px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 13px;
      color: rgba(255,255,255,.78);
      background: rgba(255,255,255,.07);
      border: 1px solid rgba(255,255,255,.1);
    }

    .meta-pill strong{
      color: #fff1d9;
      font-weight: 650;
    }

    .hero-cover{
      position:relative;
      border-radius: var(--radius-lg);
      overflow:hidden;
      min-height: 430px;
      box-shadow: 0 28px 70px rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.13);
      background: #1d1413;
      isolation:isolate;
    }

    .hero-cover img{
      width:100%;
      height: 100%;
      min-height: 430px;
      object-fit: cover;
      filter: saturate(.92) contrast(1.06);
    }

    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(15,13,12,.08), rgba(15,13,12,.74)),
        radial-gradient(420px 260px at 14% 10%, rgba(210,175,127,.16), transparent 62%);
      z-index:1;
    }

    .cover-note{
      position:absolute;
      left: 18px;
      right: 18px;
      bottom: 18px;
      z-index:2;
      padding: 16px;
      border-radius: 18px;
      background: rgba(18,13,12,.64);
      border: 1px solid rgba(255,255,255,.14);
      backdrop-filter: blur(14px);
      color: rgba(255,255,255,.78);
      font-size: 14px;
    }

    .cover-note strong{
      display:block;
      color: #fff2db;
      font-size: 16px;
      margin-bottom: 5px;
    }

    .section{
      padding: clamp(46px, 6vw, 78px) 0;
    }

    .section-tight{
      padding: clamp(32px, 4.5vw, 56px) 0;
    }

    .reader-shell{
      margin-top: -24px;
      position:relative;
      z-index:3;
    }

    .reader-grid{
      display:grid;
      grid-template-columns: minmax(0, 790px) minmax(280px, 1fr);
      gap: 30px;
      align-items:start;
    }

    .article-card,
    .side-card,
    .related-card,
    .faq-card,
    .cta-panel,
    .feedback-box{
      border-radius: var(--radius);
      background: rgba(255,250,243,.92);
      border: 1px solid rgba(229,215,200,.9);
      box-shadow: var(--shadow);
    }

    .article-card{
      padding: clamp(24px, 4vw, 42px);
      overflow:hidden;
    }

    .article-content{
      color: #2b221e;
      font-size: 16px;
      line-height: 1.92;
    }

    .article-content > *:first-child{
      margin-top: 0;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4{
      color: #1e1714;
      line-height: 1.32;
      letter-spacing: -.02em;
      margin: 1.65em 0 .72em;
      font-weight: 800;
    }

    .article-content h2{
      font-size: clamp(24px, 3vw, 32px);
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }

    .article-content h3{
      font-size: clamp(20px, 2.2vw, 25px);
    }

    .article-content h4{
      font-size: 18px;
    }

    .article-content p{
      margin: 0 0 1.15em;
    }

    .article-content a{
      color: var(--brand);
      font-weight: 650;
      border-bottom: 1px solid rgba(125,31,44,.2);
    }

    .article-content a:hover,
    .article-content a:focus-visible{
      color: var(--brand-2);
      border-bottom-color: rgba(165,58,69,.55);
      outline: none;
    }

    .article-content strong{
      color: #1b1412;
      font-weight: 800;
    }

    .article-content em{
      color: var(--brand);
      font-style: normal;
      font-weight: 650;
    }

    .article-content blockquote{
      margin: 28px 0;
      padding: 20px 22px;
      border-left: 4px solid var(--brand-3);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: linear-gradient(135deg, rgba(210,175,127,.16), rgba(125,31,44,.06));
      color: #4a3832;
    }

    .article-content ul,
    .article-content ol{
      margin: 0 0 1.25em 1.2em;
      padding-left: 1em;
    }

    .article-content li{
      margin: .45em 0;
      padding-left: .15em;
    }

    .article-content img{
      border-radius: var(--radius-sm);
      box-shadow: 0 14px 32px rgba(22,14,12,.12);
      margin: 26px auto;
    }

    .article-content table{
      width:100%;
      border-collapse: separate;
      border-spacing: 0;
      overflow:hidden;
      border-radius: 16px;
      border: 1px solid var(--line);
      margin: 24px 0;
      background: var(--surface);
    }

    .article-content th,
    .article-content td{
      padding: 13px 14px;
      border-bottom: 1px solid var(--line);
      text-align:left;
      vertical-align: top;
    }

    .article-content th{
      background: #efe1d1;
      color: #251a17;
      font-weight: 750;
    }

    .article-content tr:last-child td{
      border-bottom:0;
    }

    .empty-article{
      min-height: 260px;
      display:flex;
      flex-direction:column;
      align-items:flex-start;
      justify-content:center;
      gap: 14px;
      color: var(--muted);
    }

    .empty-article h2{
      margin:0;
      color: var(--text);
      font-size: 28px;
      font-weight: 800;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap: 8px;
      border-radius: 999px;
      min-height: 46px;
      padding: 12px 18px;
      font-size: 14px;
      font-weight: 700;
      letter-spacing: .1px;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
    }

    .btn-primary-rl{
      color: #fff5e8;
      background: linear-gradient(135deg, var(--brand), #5d151f);
      box-shadow: 0 16px 34px rgba(125,31,44,.24);
      border-color: rgba(125,31,44,.18);
    }

    .btn-primary-rl:hover,
    .btn-primary-rl:focus-visible{
      color:#fff;
      transform: translateY(-1px);
      box-shadow: 0 20px 42px rgba(125,31,44,.3);
      outline: none;
    }

    .btn-primary-rl:active{
      transform: translateY(0);
      box-shadow: inset 0 3px 9px rgba(0,0,0,.22);
    }

    .btn-outline-rl{
      color: var(--brand);
      background: rgba(255,250,243,.74);
      border-color: rgba(125,31,44,.22);
    }

    .btn-outline-rl:hover,
    .btn-outline-rl:focus-visible{
      color: #651721;
      background: rgba(210,175,127,.16);
      border-color: rgba(125,31,44,.38);
      transform: translateY(-1px);
      outline: none;
    }

    .sidebar{
      position: sticky;
      top: calc(var(--header-h) + 20px);
      display:grid;
      gap: 18px;
    }

    .side-card{
      padding: 22px;
    }

    .side-card.dark{
      background:
        linear-gradient(145deg, rgba(42,25,23,.96), rgba(18,13,12,.98)),
        radial-gradient(260px 180px at 100% 0%, rgba(210,175,127,.18), transparent 62%);
      border-color: rgba(255,255,255,.1);
      color: #fff3e0;
      box-shadow: var(--shadow-2);
      overflow:hidden;
      position:relative;
    }

    .side-card h2,
    .side-card h3{
      margin:0 0 12px;
      font-size: 20px;
      line-height:1.35;
      font-weight: 800;
      letter-spacing: -.02em;
    }

    .side-card p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.8;
    }

    .side-card.dark p{
      color: rgba(255,255,255,.7);
    }

    .quick-list{
      display:grid;
      gap: 10px;
      margin-top: 16px;
    }

    .quick-list a,
    .quick-list span{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      padding: 12px 13px;
      border-radius: 15px;
      background: rgba(241,232,219,.72);
      border: 1px solid rgba(229,215,200,.9);
      color: #3a2c27;
      font-size: 14px;
    }

    .quick-list a::after{
      content:"›";
      color: var(--brand-3);
      font-size: 20px;
      line-height:1;
      transition: transform var(--transition);
    }

    .quick-list a:hover,
    .quick-list a:focus-visible{
      background: rgba(210,175,127,.16);
      border-color: rgba(192,154,106,.42);
      color: var(--brand);
      outline: none;
      transform: translateY(-1px);
    }

    .quick-list a:hover::after{
      transform: translateX(2px);
    }

    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap: 9px;
      margin-top: 16px;
    }

    .tag{
      display:inline-flex;
      align-items:center;
      min-height: 30px;
      padding: 6px 11px;
      border-radius: 999px;
      background: rgba(210,175,127,.14);
      border: 1px solid rgba(192,154,106,.28);
      color: #6c422b;
      font-size: 13px;
      font-weight: 650;
    }

    .dark .tag{
      color: #f3d8b3;
      background: rgba(210,175,127,.12);
      border-color: rgba(210,175,127,.24);
    }

    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap: 22px;
      margin-bottom: 24px;
    }

    .section-eyebrow{
      display:inline-flex;
      align-items:center;
      gap: 8px;
      color: var(--brand);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .section-eyebrow::before{
      content:"";
      width: 26px;
      height: 1px;
      background: var(--brand-3);
    }

    .section-title{
      margin:0;
      font-size: clamp(26px, 4vw, 40px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight: 850;
      color: #1d1512;
    }

    .section-desc{
      margin: 8px 0 0;
      max-width: 640px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.85;
    }

    .related-grid{
      display:grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 20px;
    }

    .related-card{
      overflow:hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .related-card:hover{
      transform: translateY(-4px);
      box-shadow: var(--shadow-2);
      border-color: rgba(192,154,106,.52);
    }

    .related-thumb{
      aspect-ratio: 16 / 10;
      overflow:hidden;
      background:#251715;
      position:relative;
    }

    .related-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition: transform 420ms ease;
    }

    .related-card:hover .related-thumb img{
      transform: scale(1.045);
    }

    .related-thumb::after{
      content:"";
      position:absolute;
      inset:0;
      background: linear-gradient(180deg, rgba(15,13,12,0), rgba(15,13,12,.32));
    }

    .related-body{
      padding: 18px;
    }

    .related-body h3{
      margin:0 0 8px;
      font-size: 18px;
      line-height:1.42;
      font-weight: 800;
      color: #211714;
    }

    .related-body p{
      margin:0 0 14px;
      color: var(--muted);
      font-size: 14px;
      line-height:1.78;
    }

    .read-link{
      display:inline-flex;
      align-items:center;
      gap: 6px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 800;
    }

    .read-link::after{
      content:"→";
      transition: transform var(--transition);
    }

    .read-link:hover,
    .read-link:focus-visible{
      color: var(--brand-2);
      outline: none;
    }

    .read-link:hover::after{
      transform: translateX(3px);
    }

    .feedback-area{
      background:
        linear-gradient(135deg, rgba(255,250,243,.88), rgba(241,232,219,.88)),
        radial-gradient(680px 260px at 12% 10%, rgba(125,31,44,.08), transparent 62%);
      border-top: 1px solid rgba(229,215,200,.72);
      border-bottom: 1px solid rgba(229,215,200,.72);
    }

    .feedback-grid{
      display:grid;
      grid-template-columns: minmax(0, .92fr) minmax(360px, .72fr);
      gap: 24px;
      align-items:stretch;
    }

    .cta-panel{
      padding: clamp(24px, 4vw, 38px);
      background:
        linear-gradient(145deg, #201513, #120d0c),
        radial-gradient(480px 260px at 100% 0%, rgba(210,175,127,.2), transparent 62%);
      color: var(--white);
      border-color: rgba(255,255,255,.1);
      box-shadow: var(--shadow-2);
      overflow:hidden;
      position:relative;
    }

    .cta-panel::after{
      content:"";
      position:absolute;
      width: 220px;
      height: 220px;
      border-radius: 999px;
      right: -90px;
      bottom: -110px;
      background: rgba(125,31,44,.38);
      filter: blur(6px);
      opacity:.5;
    }

    .cta-panel > *{
      position:relative;
      z-index:1;
    }

    .cta-panel h2{
      margin:0;
      max-width: 640px;
      font-size: clamp(26px, 4vw, 42px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:850;
    }

    .cta-panel p{
      margin: 14px 0 0;
      max-width: 660px;
      color: rgba(255,255,255,.72);
      line-height:1.88;
    }

    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .cta-actions .btn-outline-rl{
      color: #fff1d8;
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.18);
    }

    .cta-actions .btn-outline-rl:hover,
    .cta-actions .btn-outline-rl:focus-visible{
      color: #fff;
      background: rgba(210,175,127,.13);
      border-color: rgba(210,175,127,.36);
    }

    .feedback-box{
      padding: 24px;
    }

    .feedback-box h3{
      margin:0 0 10px;
      font-size: 22px;
      line-height:1.35;
      font-weight: 850;
    }

    .feedback-box p{
      color: var(--muted);
      margin:0 0 18px;
      font-size: 14px;
      line-height:1.82;
    }

    .form-row{
      display:grid;
      gap: 12px;
    }

    .form-control-rl{
      width:100%;
      min-height: 48px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: rgba(255,250,243,.9);
      color: var(--text);
      padding: 12px 14px;
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    }

    textarea.form-control-rl{
      min-height: 112px;
      resize: vertical;
    }

    .form-control-rl::placeholder{
      color: #9b887c;
    }

    .form-control-rl:hover{
      border-color: rgba(192,154,106,.56);
    }

    .form-control-rl:focus{
      border-color: rgba(125,31,44,.44);
      box-shadow: 0 0 0 4px rgba(125,31,44,.08);
      background: #fffdf8;
    }

    .faq-grid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .faq-card{
      padding: 20px;
      box-shadow: 0 12px 30px rgba(22,14,12,.08);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .faq-card:hover{
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: rgba(192,154,106,.45);
    }

    .faq-card h3{
      margin:0 0 8px;
      font-size: 17px;
      line-height:1.45;
      font-weight: 850;
      color:#211714;
    }

    .faq-card p{
      margin:0;
      color: var(--muted);
      font-size: 14px;
      line-height:1.82;
    }

    .site-footer{
      margin-top: 28px;
      background:
        radial-gradient(640px 280px at 14% 10%, rgba(125,31,44,.22), transparent 62%),
        linear-gradient(180deg, #171110 0%, #0f0d0c 100%);
      color: rgba(255,255,255,.72);
      border-top: 1px solid rgba(255,255,255,.08);
      padding: 52px 0 28px;
    }

    .footer-inner{
      display:grid;
      gap: 28px;
    }

    .footer-grid{
      display:grid;
      grid-template-columns: minmax(260px, 1.2fr) repeat(3, minmax(150px, .6fr));
      gap: 28px;
      align-items:start;
    }

    .footer-brand strong{
      display:block;
      color: #fff4e3;
      font-size: 20px;
      line-height:1.35;
      margin-bottom: 10px;
      font-weight: 850;
    }

    .footer-brand p{
      margin:0;
      max-width: 440px;
      color: rgba(255,255,255,.66);
      font-size: 14px;
      line-height:1.86;
    }

    .footer-col h4{
      color: #fff2db;
      font-size: 15px;
      margin:0 0 12px;
      font-weight: 800;
    }

    .footer-col a{
      display:block;
      width:max-content;
      max-width:100%;
      color: rgba(255,255,255,.66);
      font-size: 14px;
      margin: 8px 0;
      border-bottom: 1px solid transparent;
    }

    .footer-col a:hover,
    .footer-col a:focus-visible{
      color: #f1d6ad;
      border-bottom-color: rgba(241,214,173,.48);
      outline: none;
    }

    .footer-bottom{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 14px;
      flex-wrap:wrap;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255,255,255,.56);
      font-size: 13px;
    }

    .footer-bottom a{
      color: #f1d6ad;
      border-bottom: 1px solid transparent;
    }

    .footer-bottom a:hover,
    .footer-bottom a:focus-visible{
      color: #fff2db;
      border-bottom-color: rgba(255,242,219,.5);
      outline: none;
    }

    @media (max-width: 1200px){
      :root{
        --container: 1060px;
      }

      .site-nav a{
        padding: 9px 11px;
      }

      .article-hero-grid{
        grid-template-columns: minmax(0, 1fr) 360px;
      }

      .reader-grid{
        grid-template-columns: minmax(0, 1fr) 300px;
      }
    }

    @media (max-width: 992px){
      :root{
        --header-h: 68px;
      }

      body{
        background:
          radial-gradient(900px 420px at 18% 0%, rgba(125,31,44,.18), transparent 60%),
          linear-gradient(180deg, #140f10 0%, #171112 300px, #f7f1e8 300px, #f7f1e8 100%);
      }

      .menu-toggle{
        display:flex;
      }

      .nav-wrap{
        position: fixed;
        left: 16px;
        right: 16px;
        top: calc(var(--header-h) + 10px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap: 12px;
        padding: 16px;
        border-radius: 22px;
        background: rgba(18,13,12,.96);
        border: 1px solid rgba(255,255,255,.1);
        box-shadow: 0 22px 60px rgba(0,0,0,.3);
        backdrop-filter: blur(18px);
      }

      .nav-wrap.open{
        display:flex;
      }

      .site-nav{
        display:grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
      }

      .site-nav a{
        text-align:center;
      }

      .header-action{
        width:100%;
      }

      .article-hero{
        padding: 34px 0 44px;
      }

      .article-hero-grid{
        grid-template-columns: 1fr;
      }

      .hero-cover,
      .hero-cover img{
        min-height: 340px;
      }

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

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

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

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

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

      .footer-brand{
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px){
      .container{
        width: min(100% - 26px, var(--container));
      }

      .brand-text strong{
        max-width: 210px;
        font-size: 15px;
      }

      .brand-text span{
        display:none;
      }

      .article-title{
        font-size: clamp(28px, 9vw, 42px);
      }

      .article-summary{
        font-size: 15px;
      }

      .meta-bar{
        align-items:flex-start;
      }

      .meta-pill{
        width: 100%;
        justify-content:flex-start;
      }

      .hero-cover,
      .hero-cover img{
        min-height: 280px;
      }

      .article-card{
        border-radius: 20px;
      }

      .article-content{
        font-size: 15.5px;
        line-height: 1.88;
      }

      .section-head{
        display:block;
      }

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

      .related-grid,
      .faq-grid{
        grid-template-columns: 1fr;
      }

      .cta-actions{
        display:grid;
      }

      .btn{
        width:100%;
      }

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

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

    @media (max-width: 576px){
      :root{
        --header-h: 64px;
      }

      .header-inner{
        gap: 10px;
      }

      .brand-mark{
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .brand-text strong{
        max-width: 180px;
      }

      .article-hero{
        padding: 26px 0 36px;
      }

      .breadcrumb-line{
        font-size: 13px;
        margin-bottom: 18px;
      }

      .site-nav{
        grid-template-columns: 1fr;
      }

      .article-kicker{
        font-size: 12px;
      }

      .cover-note{
        left: 12px;
        right: 12px;
        bottom: 12px;
        padding: 13px;
      }

      .article-card,
      .side-card,
      .feedback-box,
      .cta-panel{
        padding: 20px;
      }

      .article-content table{
        display:block;
        overflow-x:auto;
        white-space: nowrap;
      }

      .section{
        padding: 42px 0;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}