/* roulang page: index */
:root{
      --color-primary:#1F6F5B;
      --color-primary-dark:#163B34;
      --color-primary-soft:#E7F1EC;
      --color-accent:#D98A3A;
      --color-accent-soft:#F7E6D1;
      --color-bg:#F7F4EE;
      --color-bg-soft:#FBFAF6;
      --color-white:#FFFFFF;
      --color-title:#17231F;
      --color-text:#3F4A45;
      --color-muted:#69746F;
      --color-border:#E3DED4;
      --shadow-card:0 18px 45px rgba(35,45,40,.08);
      --shadow-hover:0 24px 58px rgba(31,111,91,.15);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:16px;
      --header-height:78px;
      --transition:all .24s ease;
      --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-main);
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 4%, rgba(217,138,58,.12), transparent 28%),
        radial-gradient(circle at 92% 9%, rgba(31,111,91,.10), transparent 30%),
        var(--color-bg);
      line-height:1.78;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none;transition:var(--transition)}
    a:hover,a:focus{color:var(--color-primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font-family:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(31,111,91,.18);color:var(--color-title)}
    :focus-visible{outline:3px solid rgba(217,138,58,.45);outline-offset:4px;border-radius:12px}

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-height);
      background:rgba(251,250,246,.94);
      backdrop-filter:saturate(140%) blur(12px);
      border-bottom:1px solid rgba(31,111,91,.12);
    }
    .nav-wrap{
      height:var(--header-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:800;
      color:var(--color-title);
      letter-spacing:.01em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      background:linear-gradient(145deg,var(--color-primary),#2E8B68);
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      box-shadow:0 12px 28px rgba(31,111,91,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:22px;
      height:7px;
      border-radius:999px;
      background:rgba(255,255,255,.25);
      right:-4px;
      bottom:9px;
    }
    .brand-name{font-size:18px;line-height:1.15}
    .brand-sub{display:block;font-size:12px;font-weight:600;color:var(--color-muted);margin-top:2px}
    .desktop-nav{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:10px;
      flex:1;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      padding:10px 15px;
      border-radius:999px;
      font-size:15px;
      font-weight:700;
      color:var(--color-text);
    }
    .nav-link:hover{
      background:rgba(31,111,91,.08);
      color:var(--color-primary);
    }
    .nav-link.active{
      color:var(--color-primary);
      background:var(--color-primary-soft);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:11px 19px;
      border-radius:999px;
      background:var(--color-primary);
      color:#fff;
      font-size:15px;
      font-weight:800;
      box-shadow:0 12px 26px rgba(31,111,91,.20);
    }
    .nav-cta:hover,.nav-cta:focus{
      color:#fff;
      background:#185B4A;
      transform:translateY(-2px);
      box-shadow:0 18px 34px rgba(31,111,91,.28);
    }
    .mobile-menu-button{
      display:none;
      border:1px solid rgba(31,111,91,.18);
      border-radius:14px;
      background:#fff;
      color:var(--color-title);
      width:46px;
      height:42px;
      font-weight:900;
      box-shadow:0 8px 18px rgba(35,45,40,.06);
    }
    .mobile-panel{
      display:none;
      background:rgba(251,250,246,.98);
      border-bottom:1px solid rgba(31,111,91,.12);
      box-shadow:0 18px 34px rgba(35,45,40,.08);
      padding:12px 0 18px;
    }
    .mobile-panel .nav-link,.mobile-panel .nav-cta{
      width:100%;
      justify-content:center;
      margin:6px 0;
    }

    .section{padding:92px 0}
    .section-tight{padding:74px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(31,111,91,.09);
      color:var(--color-primary);
      font-weight:800;
      font-size:14px;
      margin-bottom:16px;
    }
    .section-kicker:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:99px;
      background:var(--color-accent);
    }
    .section-title{
      color:var(--color-title);
      font-size:42px;
      line-height:1.2;
      letter-spacing:-.02em;
      margin:0 0 14px;
      font-weight:900;
    }
    .section-desc{
      max-width:740px;
      color:var(--color-muted);
      font-size:17px;
      line-height:1.85;
      margin:0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:36px;
      margin-bottom:42px;
    }
    .section-index{
      color:var(--color-accent);
      font-size:15px;
      font-weight:900;
      letter-spacing:.04em;
      white-space:nowrap;
      border-bottom:2px solid rgba(217,138,58,.45);
      padding-bottom:6px;
    }

    .hero{
      padding:118px 0 76px;
      position:relative;
      overflow:hidden;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:340px;
      background:linear-gradient(180deg,rgba(255,255,255,.46),transparent);
      pointer-events:none;
    }
    .hero-copy{position:relative;z-index:2}
    .hero-badge{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border:1px solid rgba(31,111,91,.16);
      background:rgba(255,255,255,.72);
      color:var(--color-primary);
      border-radius:999px;
      font-weight:800;
      font-size:14px;
      box-shadow:0 10px 28px rgba(35,45,40,.05);
      margin-bottom:20px;
    }
    .hero-badge span{
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(217,138,58,.14);
    }
    h1{
      color:var(--color-title);
      font-size:60px;
      line-height:1.12;
      letter-spacing:-.035em;
      margin:0 0 22px;
      font-weight:950;
    }
    .hero-lead{
      max-width:660px;
      color:var(--color-text);
      font-size:18px;
      line-height:1.92;
      margin:0 0 30px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:50px;
      padding:13px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:850;
      font-size:15px;
      transition:var(--transition);
      line-height:1;
    }
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 16px 32px rgba(31,111,91,.22);
    }
    .btn-primary:hover,.btn-primary:focus{
      background:#185B4A;
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 40px rgba(31,111,91,.28);
    }
    .btn-secondary{
      background:#fff;
      color:var(--color-primary);
      border-color:rgba(31,111,91,.18);
      box-shadow:0 10px 24px rgba(35,45,40,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--color-primary-soft);
      transform:translateY(-2px);
      border-color:rgba(31,111,91,.28);
    }
    .btn-accent{
      background:var(--color-accent);
      color:#fff;
      box-shadow:0 14px 30px rgba(217,138,58,.24);
    }
    .btn-accent:hover,.btn-accent:focus{
      background:#C6792E;
      color:#fff;
      transform:translateY(-2px);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--color-primary);
      font-weight:850;
      font-size:15px;
    }
    .text-link span{transition:transform .22s ease}
    .text-link:hover span{transform:translateX(4px)}

    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:8px;
    }
    .trust-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.76);
      border:1px solid rgba(31,111,91,.12);
      color:var(--color-muted);
      font-size:13px;
      font-weight:750;
    }
    .trust-chip:before{
      content:"";
      width:6px;
      height:6px;
      border-radius:99px;
      background:var(--color-primary);
    }

    .hero-visual{
      position:relative;
      min-height:560px;
    }
    .magazine-card{
      position:relative;
      height:530px;
      border-radius:34px;
      overflow:hidden;
      box-shadow:0 28px 70px rgba(31,54,45,.18);
      border:1px solid rgba(31,111,91,.16);
      background:var(--color-primary-dark);
    }
    .magazine-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      filter:saturate(.92) contrast(.98);
      transform:scale(1.01);
    }
    .magazine-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,rgba(22,59,52,.10),rgba(22,59,52,.70)),
        linear-gradient(90deg,rgba(247,244,238,.18),transparent 42%);
    }
    .magazine-label{
      position:absolute;
      top:24px;
      left:24px;
      z-index:2;
      display:flex;
      align-items:center;
      gap:10px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(251,250,246,.88);
      color:var(--color-primary-dark);
      font-weight:900;
      font-size:13px;
    }
    .magazine-title{
      position:absolute;
      z-index:2;
      left:26px;
      bottom:30px;
      right:26px;
      color:#fff;
    }
    .magazine-title b{
      display:block;
      font-size:38px;
      line-height:1.1;
      margin-bottom:10px;
    }
    .magazine-title p{
      margin:0;
      color:rgba(255,255,255,.82);
      font-size:15px;
      line-height:1.7;
    }
    .float-panel{
      position:absolute;
      z-index:4;
      background:rgba(255,255,255,.94);
      border:1px solid rgba(31,111,91,.13);
      border-radius:22px;
      padding:18px;
      box-shadow:var(--shadow-card);
    }
    .float-panel.one{
      right:-10px;
      top:78px;
      width:218px;
    }
    .float-panel.two{
      left:-24px;
      bottom:88px;
      width:238px;
    }
    .float-panel.three{
      right:28px;
      bottom:-16px;
      width:260px;
      background:#163B34;
      color:#fff;
    }
    .panel-small-title{
      font-size:13px;
      color:var(--color-muted);
      font-weight:850;
      margin-bottom:8px;
    }
    .float-panel.three .panel-small-title{color:rgba(255,255,255,.68)}
    .panel-value{
      color:var(--color-title);
      font-weight:950;
      font-size:21px;
      line-height:1.24;
    }
    .float-panel.three .panel-value{color:#fff}
    .mini-list{
      margin:12px 0 0;
      padding:0;
      list-style:none;
    }
    .mini-list li{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:9px 0;
      border-top:1px solid rgba(31,111,91,.10);
      color:var(--color-text);
      font-size:13px;
      font-weight:700;
    }
    .float-panel.three .mini-list li{
      color:rgba(255,255,255,.84);
      border-top-color:rgba(255,255,255,.14);
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--color-accent);
      flex:0 0 auto;
    }

    .paper-card{
      background:rgba(255,255,255,.82);
      border:1px solid rgba(31,111,91,.12);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      transition:var(--transition);
      overflow:hidden;
    }
    .paper-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(31,111,91,.28);
    }

    .entry-panel{
      margin-top:40px;
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      background:
        linear-gradient(110deg,rgba(31,111,91,.10),rgba(217,138,58,.10)),
        rgba(255,255,255,.78);
    }
    .entry-panel h2{
      margin:0 0 6px;
      font-size:24px;
      color:var(--color-title);
      line-height:1.25;
      font-weight:950;
    }
    .entry-panel p{margin:0;color:var(--color-muted);font-size:15px}
    .entry-tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      font-size:13px;
      font-weight:850;
      color:var(--color-primary);
      margin-bottom:10px;
    }

    .feature-grid .cell{display:flex}
    .feature-card{
      padding:30px;
      min-height:268px;
      width:100%;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .feature-card.feature-wide{
      background:
        linear-gradient(135deg,rgba(217,138,58,.18),rgba(255,255,255,.80) 52%),
        #fff;
    }
    .feature-no{
      color:var(--color-accent);
      font-size:14px;
      font-weight:950;
      letter-spacing:.04em;
      margin-bottom:18px;
    }
    .feature-card h3{
      margin:0 0 12px;
      color:var(--color-title);
      font-size:23px;
      line-height:1.28;
      font-weight:950;
    }
    .feature-card p{
      margin:0;
      color:var(--color-muted);
      font-size:15.5px;
      line-height:1.8;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:22px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      font-size:12px;
      font-weight:850;
    }
    .tag.accent{
      background:var(--color-accent-soft);
      color:#A65D22;
    }

    .scene-section{
      background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(251,250,246,.78));
      border-top:1px solid rgba(31,111,91,.08);
      border-bottom:1px solid rgba(31,111,91,.08);
    }
    .scene-card{
      height:100%;
      overflow:hidden;
    }
    .scene-image{
      aspect-ratio:16/10;
      overflow:hidden;
      background:var(--color-primary-soft);
    }
    .scene-card.tall .scene-image{aspect-ratio:4/3}
    .scene-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .scene-card:hover .scene-image img{transform:scale(1.045)}
    .scene-body{padding:24px}
    .scene-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      margin-bottom:12px;
    }
    .scene-card h3{
      margin:0 0 10px;
      color:var(--color-title);
      font-size:21px;
      font-weight:950;
      line-height:1.35;
    }
    .scene-card p{
      margin:0 0 16px;
      color:var(--color-muted);
      font-size:15px;
      line-height:1.78;
    }
    .metric{
      display:flex;
      align-items:center;
      gap:9px;
      color:var(--color-primary);
      font-size:13px;
      font-weight:900;
      padding-top:14px;
      border-top:1px dashed rgba(31,111,91,.18);
    }
    .metric:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--color-accent);
    }

    .compare-wrap{
      position:relative;
    }
    .plan-card{
      padding:30px;
      height:100%;
      position:relative;
    }
    .plan-card.recommended{
      background:
        linear-gradient(180deg,rgba(217,138,58,.15),rgba(255,255,255,.92) 45%),
        #fff;
      border-color:rgba(217,138,58,.34);
      transform:translateY(-10px);
    }
    .plan-label{
      position:absolute;
      right:24px;
      top:24px;
      padding:6px 11px;
      border-radius:999px;
      background:var(--color-accent);
      color:#fff;
      font-size:12px;
      font-weight:900;
    }
    .plan-card h3{
      margin:0 0 10px;
      color:var(--color-title);
      font-size:24px;
      line-height:1.25;
      font-weight:950;
    }
    .plan-for{
      color:var(--color-muted);
      font-size:14px;
      margin-bottom:22px;
    }
    .plan-list{
      list-style:none;
      padding:0;
      margin:0 0 26px;
    }
    .plan-list li{
      position:relative;
      padding:10px 0 10px 26px;
      border-top:1px solid rgba(31,111,91,.10);
      color:var(--color-text);
      font-size:15px;
      line-height:1.6;
    }
    .plan-list li:before{
      content:"✓";
      position:absolute;
      left:0;
      top:10px;
      color:var(--color-primary);
      font-weight:950;
    }

    .process-band{
      margin-top:38px;
      padding:30px;
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(31,111,91,.12);
      box-shadow:var(--shadow-card);
    }
    .process-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:6px 0;
    }
    .process-no{
      flex:0 0 36px;
      width:36px;
      height:36px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      font-weight:950;
    }
    .process-item h3{
      margin:0 0 4px;
      font-size:18px;
      color:var(--color-title);
      font-weight:950;
    }
    .process-item p{margin:0;color:var(--color-muted);font-size:14.5px;line-height:1.7}

    .faq-section{
      background:rgba(255,255,255,.36);
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border:1px solid rgba(31,111,91,.12);
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      box-shadow:0 10px 28px rgba(35,45,40,.045);
      transition:var(--transition);
    }
    .accordion-item.is-active{
      border-color:rgba(31,111,91,.30);
      background:linear-gradient(180deg,#fff,var(--color-primary-soft));
    }
    .accordion-title{
      border:0!important;
      color:var(--color-title)!important;
      font-weight:900;
      font-size:17px;
      line-height:1.5;
      padding:21px 56px 21px 24px;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{background:rgba(31,111,91,.06)}
    .accordion-title:before{
      right:24px;
      top:50%;
      margin-top:-13px;
      color:var(--color-primary);
      font-weight:950;
      font-size:22px;
    }
    .accordion-content{
      border:0!important;
      background:transparent;
      color:var(--color-muted);
      padding:0 24px 22px;
      font-size:15.5px;
      line-height:1.82;
    }

    .contact-section{
      padding:92px 0;
    }
    .contact-shell{
      border-radius:34px;
      background:
        linear-gradient(135deg,rgba(217,138,58,.18),transparent 38%),
        var(--color-primary-dark);
      color:#fff;
      overflow:hidden;
      box-shadow:0 30px 80px rgba(22,59,52,.22);
      border:1px solid rgba(255,255,255,.10);
    }
    .contact-copy{
      padding:48px;
      min-height:100%;
    }
    .contact-copy .section-kicker{
      background:rgba(255,255,255,.12);
      color:#fff;
    }
    .contact-copy h2{
      margin:0 0 16px;
      color:#fff;
      font-size:42px;
      line-height:1.22;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .contact-copy p{
      margin:0 0 28px;
      color:rgba(255,255,255,.78);
      font-size:16.5px;
      line-height:1.86;
      max-width:560px;
    }
    .dark-steps{
      list-style:none;
      padding:0;
      margin:30px 0 0;
      display:grid;
      gap:12px;
    }
    .dark-steps li{
      display:flex;
      align-items:center;
      gap:12px;
      padding:13px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.86);
      font-weight:750;
    }
    .dark-steps b{
      width:28px;
      height:28px;
      border-radius:10px;
      display:grid;
      place-items:center;
      background:rgba(217,138,58,.92);
      color:#fff;
      font-size:13px;
      flex:0 0 auto;
    }
    .contact-form-card{
      margin:26px;
      padding:28px;
      border-radius:28px;
      background:rgba(251,250,246,.98);
      color:var(--color-text);
      box-shadow:0 24px 60px rgba(0,0,0,.18);
    }
    .contact-form-card h3{
      margin:0 0 18px;
      color:var(--color-title);
      font-size:24px;
      font-weight:950;
    }
    .form-label{
      display:block;
      margin-bottom:7px;
      color:var(--color-title);
      font-size:14px;
      font-weight:850;
    }
    .contact-form-card input,
    .contact-form-card select,
    .contact-form-card textarea{
      width:100%;
      border:1px solid rgba(31,111,91,.16);
      border-radius:15px;
      background:#fff;
      min-height:48px;
      padding:12px 14px;
      color:var(--color-title);
      box-shadow:none;
      transition:var(--transition);
      margin-bottom:15px;
    }
    .contact-form-card textarea{min-height:112px;resize:vertical}
    .contact-form-card input:focus,
    .contact-form-card select:focus,
    .contact-form-card textarea:focus{
      border-color:var(--color-primary);
      box-shadow:0 0 0 4px rgba(31,111,91,.12);
      outline:none;
    }
    .form-note{
      margin:12px 0 0;
      color:var(--color-muted);
      font-size:13px;
      line-height:1.6;
    }

    .site-footer{
      background:#14342E;
      color:rgba(255,255,255,.78);
      padding:56px 0 28px;
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
      color:#fff;
      font-weight:950;
      font-size:18px;
    }
    .footer-logo .brand-mark{
      width:38px;
      height:38px;
      border-radius:14px;
      box-shadow:none;
    }
    .footer-desc{
      max-width:440px;
      font-size:14.5px;
      line-height:1.8;
      margin:0;
      color:rgba(255,255,255,.70);
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:950;
      margin:4px 0 14px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.70);
      font-size:14px;
    }
    .footer-links a:hover{color:#F0B26B}
    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }

    @media screen and (max-width:1023px){
      :root{--header-height:72px}
      .desktop-nav{display:none}
      .mobile-menu-button{display:inline-grid;place-items:center}
      .mobile-panel.is-open{display:block}
      .hero{padding:92px 0 60px}
      h1{font-size:46px}
      .hero-visual{min-height:500px;margin-top:36px}
      .float-panel.one{right:10px;top:50px}
      .float-panel.two{left:8px;bottom:96px}
      .float-panel.three{right:18px}
      .section{padding:74px 0}
      .section-title,.contact-copy h2{font-size:36px}
      .section-head{align-items:flex-start;flex-direction:column;gap:14px}
      .plan-card.recommended{transform:none}
      .entry-panel{align-items:flex-start;flex-direction:column}
    }
    @media screen and (max-width:639px){
      :root{--header-height:66px}
      .brand-name{font-size:16px}
      .brand-sub{font-size:11px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .hero{padding:74px 0 48px}
      h1{font-size:37px;line-height:1.16;letter-spacing:-.025em}
      .hero-lead{font-size:16px;line-height:1.82}
      .hero-actions .btn{width:100%}
      .trust-row{display:grid;grid-template-columns:1fr 1fr}
      .trust-chip{justify-content:center;font-size:12px}
      .hero-visual{min-height:auto}
      .magazine-card{height:390px;border-radius:26px}
      .magazine-title b{font-size:28px}
      .float-panel{position:relative;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;width:100%!important;margin-top:14px}
      .section,.section-tight,.contact-section{padding:58px 0}
      .section-title,.contact-copy h2{font-size:30px}
      .feature-card,.scene-body,.plan-card{padding:23px}
      .entry-panel{padding:22px}
      .contact-shell{border-radius:26px}
      .contact-copy{padding:30px 24px}
      .contact-form-card{margin:0 16px 20px;padding:22px;border-radius:22px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category1 */
:root{
      --color-primary:#1F6F5B;
      --color-primary-dark:#163B34;
      --color-primary-soft:#E8F1EC;
      --color-accent:#D98A3A;
      --color-accent-soft:#F6E7D4;
      --color-bg:#F7F4EE;
      --color-surface:#FFFFFF;
      --color-surface-soft:#FBFAF6;
      --color-title:#17231F;
      --color-text:#3F4A45;
      --color-muted:#69746F;
      --color-border:#E3DED4;
      --shadow-paper:0 18px 45px rgba(35,45,40,.08);
      --shadow-hover:0 24px 56px rgba(31,111,91,.14);
      --radius-lg:28px;
      --radius-md:22px;
      --radius-sm:16px;
      --nav-height:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font-cn);
      color:var(--color-text);
      background:
        radial-gradient(circle at 8% 8%, rgba(217,138,58,.14), transparent 28rem),
        radial-gradient(circle at 92% 4%, rgba(31,111,91,.13), transparent 24rem),
        var(--color-bg);
      line-height:1.78;
      font-size:16px;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(31,111,91,.18);color:var(--color-title)}
    :focus-visible{outline:3px solid rgba(217,138,58,.45);outline-offset:3px}
    .grid-container{max-width:1220px}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section-tight{padding:68px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:9px;
      color:var(--color-primary);
      font-weight:700;
      font-size:14px;
      margin-bottom:14px;
    }
    .section-kicker::before{
      content:"";
      width:28px;
      height:2px;
      border-radius:99px;
      background:var(--color-accent);
    }
    .section-title{
      margin:0;
      color:var(--color-title);
      font-size:clamp(30px,4vw,42px);
      line-height:1.2;
      letter-spacing:-.02em;
      font-weight:800;
    }
    .section-desc{
      max-width:720px;
      margin:14px 0 0;
      color:var(--color-muted);
      font-size:17px;
      line-height:1.85;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      background:rgba(251,250,246,.94);
      border-bottom:1px solid rgba(31,111,91,.12);
      backdrop-filter:saturate(150%) blur(10px);
      box-shadow:0 8px 24px rgba(23,35,31,.04);
    }
    .nav-wrap{
      min-height:var(--nav-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand-logo{
      display:flex;
      align-items:center;
      gap:13px;
      color:var(--color-title);
      min-width:0;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      color:#fff;
      font-weight:900;
      font-size:22px;
      background:
        linear-gradient(135deg,var(--color-primary),#2E8B68);
      box-shadow:0 12px 28px rgba(31,111,91,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:26px;
      height:10px;
      border:2px solid rgba(255,255,255,.45);
      border-left:0;
      border-right:0;
      border-radius:99px;
      bottom:8px;
      right:-5px;
      transform:rotate(-18deg);
    }
    .brand-name{
      display:block;
      font-size:18px;
      font-weight:850;
      line-height:1.15;
    }
    .brand-sub{
      display:block;
      margin-top:3px;
      color:var(--color-muted);
      font-size:12px;
      line-height:1.2;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:0 15px;
      border-radius:999px;
      color:var(--color-text);
      font-size:15px;
      font-weight:700;
      position:relative;
    }
    .nav-link:hover,
    .nav-link:focus{
      color:var(--color-primary);
      background:rgba(31,111,91,.08);
    }
    .nav-link.active{
      color:var(--color-primary);
      background:var(--color-primary-soft);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      padding:0 20px;
      margin-left:6px;
      border-radius:999px;
      color:#fff;
      background:var(--color-primary);
      font-weight:800;
      box-shadow:0 12px 26px rgba(31,111,91,.22);
    }
    .nav-cta:hover,
    .nav-cta:focus{
      color:#fff;
      background:#185849;
      transform:translateY(-2px);
      box-shadow:0 16px 34px rgba(31,111,91,.3);
    }
    .nav-cta:active,.btn:active{transform:translateY(0)}
    .mobile-menu-button{
      display:none;
      width:44px;
      height:44px;
      border:1px solid rgba(31,111,91,.14);
      border-radius:14px;
      background:#fff;
      color:var(--color-primary-dark);
      font-size:22px;
      line-height:1;
      box-shadow:0 10px 22px rgba(23,35,31,.06);
    }
    .mobile-panel{
      display:none;
      border-top:1px solid rgba(31,111,91,.1);
      background:rgba(251,250,246,.98);
      padding:10px 0 18px;
    }
    .mobile-panel.is-open{display:block}
    .mobile-panel .grid-container{
      display:grid;
      gap:10px;
    }
    .mobile-panel .nav-link,
    .mobile-panel .nav-cta{
      justify-content:flex-start;
      margin-left:0;
      width:100%;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
    }
    .btn-primary{
      background:var(--color-primary);
      color:#fff;
      box-shadow:0 16px 34px rgba(31,111,91,.22);
    }
    .btn-primary:hover,.btn-primary:focus{
      color:#fff;
      background:#185849;
      transform:translateY(-2px);
      box-shadow:0 20px 40px rgba(31,111,91,.3);
    }
    .btn-secondary{
      background:rgba(217,138,58,.12);
      color:var(--color-primary-dark);
      border-color:rgba(217,138,58,.25);
    }
    .btn-secondary:hover,.btn-secondary:focus{
      background:var(--color-accent-soft);
      color:var(--color-primary-dark);
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(217,138,58,.16);
    }
    .text-btn{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:var(--color-primary);
      font-weight:800;
    }
    .text-btn .arrow{transition:transform .22s var(--ease)}
    .text-btn:hover{color:#185849}
    .text-btn:hover .arrow{transform:translateX(4px)}
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      min-height:32px;
      padding:0 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:750;
      color:var(--color-primary-dark);
      background:#fff;
      border:1px solid rgba(31,111,91,.13);
    }
    .tag.is-accent{
      color:#7A421B;
      background:var(--color-accent-soft);
      border-color:rgba(217,138,58,.25);
    }
    .hero{
      padding:122px 0 76px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(247,244,238,.98) 0%,rgba(247,244,238,.86) 52%,rgba(247,244,238,.62) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:1px;
      background:linear-gradient(90deg,transparent,rgba(31,111,91,.18),transparent);
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:22px;
      color:var(--color-muted);
      font-size:14px;
      font-weight:700;
    }
    .breadcrumb a{color:var(--color-primary)}
    .breadcrumb a:hover{color:#185849}
    .hero-label{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(31,111,91,.13);
      color:var(--color-primary);
      font-weight:800;
      font-size:14px;
      box-shadow:0 10px 24px rgba(23,35,31,.05);
    }
    .hero-label::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:99px;
      background:var(--color-accent);
      box-shadow:0 0 0 5px rgba(217,138,58,.16);
    }
    .hero h1{
      margin:18px 0 0;
      max-width:780px;
      color:var(--color-title);
      font-size:clamp(36px,5.4vw,58px);
      line-height:1.1;
      letter-spacing:-.035em;
      font-weight:900;
    }
    .hero-lead{
      max-width:720px;
      margin:18px 0 0;
      color:var(--color-text);
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .hero-cover{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:var(--color-surface);
      border:1px solid rgba(31,111,91,.12);
      box-shadow:var(--shadow-paper);
      min-height:360px;
      isolation:isolate;
    }
    .hero-cover img{
      width:100%;
      height:100%;
      min-height:360px;
      object-fit:cover;
      filter:saturate(.92) contrast(.98);
    }
    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(22,59,52,.08),rgba(22,59,52,.68));
      z-index:1;
    }
    .cover-panel{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      z-index:2;
      border-radius:22px;
      background:rgba(251,250,246,.94);
      padding:22px;
      box-shadow:0 16px 36px rgba(0,0,0,.12);
    }
    .cover-panel strong{
      display:block;
      color:var(--color-title);
      font-size:20px;
      line-height:1.32;
      margin-bottom:10px;
    }
    .cover-panel p{
      margin:0;
      color:var(--color-muted);
      font-size:14px;
      line-height:1.7;
    }
    .cover-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:16px;
    }
    .metric-mini{
      border-radius:14px;
      background:var(--color-primary-soft);
      padding:12px 10px;
      text-align:center;
      color:var(--color-primary-dark);
      font-size:12px;
      font-weight:750;
    }
    .metric-mini b{
      display:block;
      color:var(--color-primary);
      font-size:18px;
      line-height:1.1;
      margin-bottom:3px;
    }
    .intro-panel{
      background:rgba(255,255,255,.72);
      border:1px solid rgba(31,111,91,.12);
      border-radius:var(--radius-lg);
      padding:32px;
      box-shadow:var(--shadow-paper);
    }
    .intro-panel p{
      margin:0;
      color:var(--color-text);
      font-size:17px;
      line-height:1.9;
    }
    .toc-card{
      background:var(--color-primary-dark);
      color:#EAF3EE;
      border-radius:var(--radius-lg);
      padding:30px;
      box-shadow:var(--shadow-paper);
      position:relative;
      overflow:hidden;
    }
    .toc-card::before{
      content:"";
      position:absolute;
      top:-80px;
      right:-70px;
      width:180px;
      height:180px;
      border-radius:999px;
      background:rgba(217,138,58,.18);
    }
    .toc-card h2{
      margin:0 0 18px;
      color:#fff;
      font-size:26px;
      line-height:1.3;
    }
    .toc-list{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:14px;
      position:relative;
      z-index:1;
    }
    .toc-list li{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:14px;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.14);
    }
    .toc-num{
      color:var(--color-accent);
      font-size:22px;
      font-weight:900;
      line-height:1;
    }
    .toc-list strong{
      display:block;
      color:#fff;
      margin-bottom:4px;
      font-size:16px;
    }
    .toc-list span{
      color:rgba(234,243,238,.78);
      font-size:14px;
      line-height:1.65;
    }
    .card-grid{
      margin-top:42px;
    }
    .topic-card{
      height:100%;
      display:flex;
      flex-direction:column;
      background:var(--color-surface);
      border:1px solid rgba(31,111,91,.12);
      border-radius:var(--radius-md);
      padding:26px;
      box-shadow:0 12px 28px rgba(35,45,40,.05);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
    }
    .topic-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(31,111,91,.28);
    }
    .topic-card.featured{
      min-height:100%;
      padding:0;
      overflow:hidden;
    }
    .topic-media{
      position:relative;
      overflow:hidden;
      aspect-ratio:16/9;
      background:var(--color-primary-soft);
    }
    .topic-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .35s var(--ease);
    }
    .topic-card:hover .topic-media img{transform:scale(1.04)}
    .topic-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(22,59,52,.02),rgba(22,59,52,.3));
    }
    .topic-body{
      padding:28px;
      display:flex;
      flex-direction:column;
      flex:1;
    }
    .topic-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .topic-index{
      color:rgba(31,111,91,.28);
      font-size:28px;
      font-weight:900;
      line-height:1;
    }
    .topic-card h3{
      margin:0 0 12px;
      color:var(--color-title);
      font-size:22px;
      line-height:1.34;
      font-weight:850;
    }
    .topic-card.featured h3{font-size:28px}
    .topic-card p{
      margin:0;
      color:var(--color-muted);
      line-height:1.78;
    }
    .topic-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:20px 0 0;
      color:var(--color-muted);
      font-size:13px;
    }
    .topic-meta span{
      display:inline-flex;
      align-items:center;
      gap:6px;
    }
    .topic-card .text-btn{
      margin-top:auto;
      padding-top:22px;
    }
    .signal-strip{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .signal-item{
      border-radius:18px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(31,111,91,.12);
      padding:18px;
      box-shadow:0 10px 24px rgba(35,45,40,.04);
    }
    .signal-item b{
      display:block;
      color:var(--color-primary);
      font-size:20px;
      margin-bottom:4px;
    }
    .signal-item span{
      color:var(--color-muted);
      font-size:14px;
      line-height:1.55;
    }
    .path-panel{
      background:var(--color-surface-soft);
      border-top:1px solid rgba(31,111,91,.11);
      border-bottom:1px solid rgba(31,111,91,.11);
    }
    .path-card{
      background:#fff;
      border-radius:var(--radius-md);
      border:1px solid rgba(31,111,91,.12);
      padding:26px;
      height:100%;
      box-shadow:0 12px 28px rgba(35,45,40,.05);
    }
    .path-step{
      width:42px;
      height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      font-weight:900;
      margin-bottom:18px;
    }
    .path-card h3{
      margin:0 0 10px;
      color:var(--color-title);
      font-size:21px;
      line-height:1.35;
    }
    .path-card p{
      margin:0;
      color:var(--color-muted);
    }
    .soft-cta{
      border-radius:32px;
      background:
        linear-gradient(135deg,rgba(232,241,236,.95),rgba(246,231,212,.9));
      border:1px solid rgba(31,111,91,.14);
      padding:34px;
      box-shadow:var(--shadow-paper);
      overflow:hidden;
      position:relative;
    }
    .soft-cta::after{
      content:"";
      position:absolute;
      right:-55px;
      bottom:-72px;
      width:190px;
      height:190px;
      border-radius:999px;
      background:rgba(31,111,91,.12);
    }
    .soft-cta h2{
      margin:0;
      color:var(--color-title);
      font-size:clamp(26px,3.4vw,36px);
      line-height:1.24;
    }
    .soft-cta p{
      margin:12px 0 0;
      max-width:680px;
      color:var(--color-text);
      font-size:17px;
    }
    .soft-cta .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
      position:relative;
      z-index:1;
    }
    .faq-wrap{
      margin-top:38px;
    }
    .accordion{
      background:transparent;
      margin:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border-radius:20px;
      overflow:hidden;
      background:#fff;
      border:1px solid rgba(31,111,91,.12);
      box-shadow:0 10px 24px rgba(35,45,40,.04);
      transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
    }
    .accordion-item.is-active{
      border-color:rgba(31,111,91,.32);
      box-shadow:0 16px 34px rgba(31,111,91,.08);
    }
    .accordion-title{
      display:flex;
      align-items:center;
      min-height:58px;
      padding:18px 54px 18px 24px;
      border:0;
      color:var(--color-title);
      font-weight:850;
      font-size:17px;
      line-height:1.5;
      background:#fff;
    }
    .accordion-title:hover,
    .accordion-title:focus{
      background:var(--color-primary-soft);
      color:var(--color-primary-dark);
    }
    .accordion-title::before{
      right:24px;
      font-size:22px;
      color:var(--color-primary);
      margin-top:-12px;
    }
    .accordion-content{
      border:0;
      border-top:1px solid rgba(31,111,91,.1);
      background:#fff;
      padding:18px 24px 24px;
      color:var(--color-muted);
      line-height:1.8;
    }
    .site-footer{
      background:var(--color-primary-dark);
      color:rgba(255,255,255,.82);
      padding:70px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      top:-90px;
      right:8%;
      width:240px;
      height:240px;
      border-radius:999px;
      background:rgba(217,138,58,.12);
    }
    .footer-logo{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:20px;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-desc{
      max-width:520px;
      margin:0;
      color:rgba(255,255,255,.72);
      line-height:1.8;
    }
    .footer-title{
      color:#fff;
      font-weight:850;
      margin-bottom:14px;
      font-size:16px;
    }
    .footer-links{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .footer-links a:hover,
    .footer-links a:focus{
      color:#F0B875;
      padding-left:3px;
    }
    .footer-bottom{
      margin-top:46px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:rgba(255,255,255,.62);
      font-size:13px;
      position:relative;
      z-index:1;
    }
    @media screen and (max-width:1023px){
      :root{--nav-height:72px}
      .section{padding:74px 0}
      .hero{padding:104px 0 64px}
      .desktop-nav{display:none}
      .mobile-menu-button{display:inline-flex;align-items:center;justify-content:center}
      .hero-cover{margin-top:36px}
      .signal-strip{grid-template-columns:repeat(2,1fr)}
      .soft-cta .btn-row{justify-content:flex-start;margin-top:22px}
    }
    @media screen and (max-width:639px){
      body{font-size:15px}
      .grid-container{padding-left:18px;padding-right:18px}
      .section{padding:58px 0}
      .section-tight{padding:52px 0}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      .brand-name{font-size:16px}
      .brand-sub{font-size:11px}
      .hero{padding:92px 0 52px}
      .hero h1{font-size:36px;letter-spacing:-.025em}
      .hero-lead{font-size:16px;line-height:1.78}
      .hero-actions,.btn{width:100%}
      .btn{min-height:50px}
      .hero-cover,.hero-cover img{min-height:310px}
      .cover-panel{left:14px;right:14px;bottom:14px;padding:18px}
      .cover-metrics{grid-template-columns:1fr}
      .intro-panel,.toc-card,.soft-cta{padding:24px;border-radius:24px}
      .toc-list li{grid-template-columns:40px 1fr}
      .topic-card,.topic-body{padding:22px}
      .topic-card.featured{padding:0}
      .topic-card.featured h3{font-size:23px}
      .signal-strip{grid-template-columns:1fr}
      .accordion-title{padding:16px 48px 16px 18px;font-size:16px}
      .accordion-content{padding:16px 18px 22px}
      .footer-bottom{flex-direction:column;align-items:flex-start}
    }