/* roulang page: index */
:root{
      --green:#123C35;
      --green-900:#071F1B;
      --green-800:#0B2E29;
      --green-soft:rgba(18,60,53,.08);
      --copper:#C48A3A;
      --copper-dark:#A66F25;
      --copper-soft:rgba(196,138,58,.16);
      --paper:#F6F2EA;
      --sand:#EFE7DA;
      --white:#FFFFFF;
      --text:#18322D;
      --muted:#66756F;
      --line:rgba(18,60,53,.12);
      --line-dark:rgba(255,255,255,.14);
      --shadow:0 18px 48px rgba(18,60,53,.12);
      --shadow-soft:0 12px 36px rgba(18,60,53,.09);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --nav-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,var(--paper) 0%,#FBF8F2 42%,var(--sand) 100%);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(196,138,58,.48);outline-offset:3px}
    .container{
      width:min(var(--container),calc(100% - 64px));
      margin:0 auto;
    }
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border-radius:999px;
      background:var(--copper-soft);
      color:#7B521B;
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--copper);
      box-shadow:0 0 0 5px rgba(196,138,58,.14);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{
      margin:14px 0 0;
      font-size:clamp(28px,3vw,40px);
      line-height:1.22;
      letter-spacing:-.02em;
      color:var(--green);
    }
    .section-desc{
      margin:0;
      max-width:560px;
      color:var(--muted);
      font-size:17px;
    }
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 22px;
      border-radius:999px;
      font-weight:800;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--copper);
      color:#fff;
      box-shadow:0 12px 24px rgba(196,138,58,.28);
    }
    .btn-primary:hover{background:var(--copper-dark);transform:translateY(-2px);box-shadow:0 18px 30px rgba(196,138,58,.34)}
    .btn-secondary{
      color:var(--green);
      border:1px solid rgba(18,60,53,.24);
      background:rgba(255,255,255,.62);
    }
    .btn-secondary:hover{background:var(--sand);transform:translateY(-2px);border-color:rgba(196,138,58,.55)}
    .btn-dark{
      background:var(--green);
      color:#fff;
      box-shadow:0 12px 26px rgba(18,60,53,.22);
    }
    .btn-dark:hover{background:var(--green-800);transform:translateY(-2px)}
    .top-alert{
      background:var(--green-900);
      color:rgba(255,255,255,.82);
      font-size:14px;
    }
    .top-alert .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      text-align:center;
    }
    .top-alert strong{color:#F0C98A}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(246,242,234,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(18,60,53,.1);
      box-shadow:0 6px 22px rgba(18,60,53,.05);
    }
    .navbar{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:26px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:900;
      letter-spacing:.03em;
      background:linear-gradient(135deg,var(--green),var(--green-900));
      box-shadow:0 12px 24px rgba(18,60,53,.22);
      position:relative;
      overflow:hidden;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      inset:auto -8px -10px auto;
      width:28px;
      height:28px;
      border-radius:50%;
      background:rgba(196,138,58,.72);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.2;
    }
    .brand-title{
      font-size:18px;
      font-weight:900;
      color:var(--green);
      letter-spacing:-.01em;
    }
    .brand-sub{
      margin-top:3px;
      font-size:12px;
      color:var(--muted);
      font-weight:700;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:8px 15px;
      border-radius:999px;
      color:var(--green);
      font-weight:800;
      font-size:15px;
      transition:background .22s ease,color .22s ease;
    }
    .nav-links a:hover{background:rgba(196,138,58,.12)}
    .nav-links a.active{
      background:rgba(196,138,58,.18);
      color:#8B5C1F;
    }
    .nav-links a.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:5px;
      height:3px;
      border-radius:999px;
      background:var(--copper);
    }
    .nav-cta{display:flex;align-items:center}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:var(--green);
      color:#fff;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
    }
    .menu-toggle span{
      width:20px;
      height:2px;
      background:#fff;
      border-radius:999px;
      transition:transform .2s ease,opacity .2s ease;
    }
    .hero{
      position:relative;
      min-height:720px;
      display:flex;
      align-items:center;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(90deg,rgba(7,31,27,.94) 0%,rgba(18,60,53,.78) 48%,rgba(18,60,53,.2) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 16% 22%,rgba(196,138,58,.24),transparent 34%),
        linear-gradient(180deg,rgba(7,31,27,.1),rgba(7,31,27,.34));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.78fr);
      gap:56px;
      align-items:center;
      padding:74px 0;
    }
    .hero-copy{max-width:720px}
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.2);
      color:#F6DFB3;
      font-weight:800;
      font-size:14px;
    }
    .hero h1{
      margin:22px 0 18px;
      font-size:clamp(38px,5vw,62px);
      line-height:1.14;
      letter-spacing:-.04em;
    }
    .hero-sub{
      margin:0;
      max-width:650px;
      color:rgba(255,255,255,.82);
      font-size:19px;
      line-height:1.8;
    }
    .hero-actions{
      margin-top:34px;
      display:flex;
      flex-wrap:wrap;
      gap:14px;
    }
    .hero .btn-secondary{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.24);
      color:#fff;
    }
    .hero .btn-secondary:hover{background:rgba(255,255,255,.15)}
    .trust-row{
      margin-top:40px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:12px;
    }
    .trust-badge{
      min-height:82px;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.15);
      backdrop-filter:blur(12px);
    }
    .trust-badge b{display:block;color:#fff;font-size:15px;margin-bottom:4px}
    .trust-badge span{display:block;color:rgba(255,255,255,.68);font-size:13px;line-height:1.55}
    .hero-panel{
      border-radius:var(--radius-xl);
      padding:22px;
      background:rgba(246,242,234,.94);
      color:var(--text);
      box-shadow:0 26px 72px rgba(0,0,0,.26);
      border:1px solid rgba(255,255,255,.48);
      transform:rotate(1.2deg);
    }
    .panel-cover{
      position:relative;
      height:236px;
      border-radius:22px;
      overflow:hidden;
      background:var(--sand);
    }
    .panel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
    .hero-panel:hover .panel-cover img{transform:scale(1.04)}
    .panel-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 20%,rgba(7,31,27,.68) 100%);
    }
    .panel-label{
      position:absolute;
      left:16px;
      bottom:16px;
      z-index:1;
      display:inline-flex;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(196,138,58,.92);
      color:#fff;
      font-weight:900;
      font-size:13px;
    }
    .panel-body{padding:22px 4px 2px}
    .panel-body h2{margin:0 0 10px;color:var(--green);font-size:24px;line-height:1.3}
    .panel-body p{margin:0;color:var(--muted)}
    .panel-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .panel-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px 12px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--line);
      font-weight:700;
      color:var(--green);
    }
    .panel-list li::before{
      content:"✓";
      flex:0 0 22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--copper-soft);
      color:var(--copper-dark);
      font-size:13px;
      margin-top:2px;
    }
    .notice-strip{margin-top:-34px;position:relative;z-index:4}
    .notice-card{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      padding:22px 24px;
      border-radius:24px;
      background:var(--sand);
      border:1px solid rgba(196,138,58,.26);
      box-shadow:var(--shadow-soft);
    }
    .notice-left{display:flex;align-items:flex-start;gap:16px}
    .notice-icon{
      flex:0 0 44px;
      height:44px;
      border-radius:15px;
      background:var(--copper);
      color:#fff;
      display:grid;
      place-items:center;
      font-weight:900;
      font-size:22px;
    }
    .notice-card h2{margin:0 0 4px;color:var(--green);font-size:20px}
    .notice-card p{margin:0;color:var(--muted)}
    .intro-layout{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);
      gap:28px;
      align-items:stretch;
    }
    .feature-large{
      position:relative;
      overflow:hidden;
      min-height:520px;
      border-radius:var(--radius-xl);
      background:var(--green-900);
      box-shadow:var(--shadow);
    }
    .feature-large img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.78;transition:transform .55s ease}
    .feature-large:hover img{transform:scale(1.04)}
    .feature-large::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(7,31,27,.12) 0%,rgba(7,31,27,.9) 100%);
    }
    .feature-large-content{
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      z-index:1;
      padding:34px;
      color:#fff;
    }
    .feature-large-content .tag{
      display:inline-flex;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(196,138,58,.92);
      font-weight:900;
      margin-bottom:14px;
    }
    .feature-large-content h3{margin:0 0 10px;font-size:30px;line-height:1.25}
    .feature-large-content p{margin:0;color:rgba(255,255,255,.78)}
    .point-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .point-card,.guide-step,.category-card,.proof-card,.faq-item,.feedback-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.84);
      border:1px solid var(--line);
      box-shadow:0 10px 28px rgba(18,60,53,.06);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .point-card:hover,.guide-step:hover,.category-card:hover,.proof-card:hover,.faq-item:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(196,138,58,.35);
    }
    .point-card{padding:24px}
    .point-card .icon{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--green);
      font-weight:900;
      margin-bottom:18px;
    }
    .point-card h3{margin:0 0 9px;color:var(--green);font-size:21px}
    .point-card p{margin:0;color:var(--muted)}
    .guide-wrap{
      background:rgba(239,231,218,.58);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .timeline{
      position:relative;
      display:grid;
      gap:18px;
      max-width:900px;
      margin:0 auto;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:28px;
      top:22px;
      bottom:22px;
      width:2px;
      background:linear-gradient(var(--copper),rgba(196,138,58,.12));
    }
    .guide-step{
      position:relative;
      display:grid;
      grid-template-columns:64px 1fr auto;
      gap:18px;
      align-items:center;
      padding:22px 24px;
      margin-left:0;
    }
    .step-no{
      width:56px;
      height:56px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--copper);
      color:#fff;
      font-weight:900;
      z-index:1;
      box-shadow:0 10px 22px rgba(196,138,58,.25);
    }
    .guide-step h3{margin:0 0 5px;color:var(--green);font-size:22px}
    .guide-step p{margin:0;color:var(--muted)}
    .step-mini{
      width:48px;
      height:48px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--copper-dark);
      background:var(--copper-soft);
      font-weight:900;
    }
    .category-layout{
      display:grid;
      grid-template-columns:1.45fr .8fr;
      gap:22px;
    }
    .category-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:44% 1fr;
      min-height:310px;
    }
    .category-media{
      position:relative;
      min-height:260px;
      overflow:hidden;
      background:var(--sand);
    }
    .category-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
    .category-card:hover img{transform:scale(1.04)}
    .category-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,rgba(7,31,27,.18),rgba(7,31,27,.05));
    }
    .category-content{padding:30px;display:flex;flex-direction:column;justify-content:center}
    .category-content h3{margin:12px 0 10px;color:var(--green);font-size:28px;line-height:1.25}
    .category-content p{margin:0 0 22px;color:var(--muted)}
    .mini-topics{
      display:grid;
      gap:14px;
    }
    .topic-pill{
      min-height:92px;
      padding:18px;
      border-radius:20px;
      background:var(--green);
      color:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      border:1px solid rgba(255,255,255,.1);
      transition:transform .22s ease,background .22s ease;
    }
    .topic-pill:nth-child(2){background:#194B42}
    .topic-pill:nth-child(3){background:#203C35;color:#F6EAD7}
    .topic-pill:hover{transform:translateX(3px);background:var(--green-900)}
    .topic-pill b{display:block;font-size:17px;margin-bottom:2px}
    .topic-pill span{display:block;color:rgba(255,255,255,.68);font-size:13px}
    .topic-pill i{font-style:normal;color:#F0C98A;font-weight:900}
    .compliance{
      background:
        radial-gradient(circle at 12% 20%,rgba(196,138,58,.23),transparent 30%),
        linear-gradient(135deg,var(--green-900),var(--green));
      color:#fff;
    }
    .compliance .section-title{color:#fff}
    .compliance .section-desc{color:rgba(255,255,255,.68)}
    .compliance-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:34px;
    }
    .compliance-card{
      padding:24px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid var(--line-dark);
    }
    .compliance-card b{
      display:flex;
      align-items:center;
      gap:10px;
      margin-bottom:8px;
      font-size:18px;
      color:#F6DFB3;
    }
    .compliance-card b::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--copper);
    }
    .compliance-card p{margin:0;color:rgba(255,255,255,.72)}
    .compliance-note{
      margin-top:22px;
      padding:14px 18px;
      border-radius:16px;
      background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.68);
      font-size:14px;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:20px;
    }
    .proof-card{padding:26px}
    .proof-number{
      display:inline-flex;
      align-items:flex-end;
      gap:6px;
      color:var(--green);
      margin-bottom:10px;
    }
    .proof-number strong{font-size:42px;line-height:1;font-weight:900}
    .proof-number span{font-weight:800;color:var(--copper-dark)}
    .proof-card h3{margin:0 0 8px;color:var(--green);font-size:21px}
    .proof-card p{margin:0;color:var(--muted)}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:34px;
      align-items:start;
    }
    .faq-side{
      position:sticky;
      top:104px;
      padding:30px;
      border-radius:var(--radius-xl);
      background:var(--sand);
      border:1px solid rgba(196,138,58,.22);
    }
    .faq-side h2{margin:12px 0 12px;color:var(--green);font-size:34px;line-height:1.2}
    .faq-side p{margin:0;color:var(--muted)}
    .faq-list{display:grid;gap:14px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      min-height:62px;
      padding:18px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      background:transparent;
      color:var(--green);
      text-align:left;
      font-weight:900;
    }
    .faq-question .plus{
      flex:0 0 32px;
      height:32px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--green);
      transition:transform .22s ease,background .22s ease;
    }
    .faq-item.active .plus{transform:rotate(45deg);background:var(--copper-soft);color:var(--copper-dark)}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
    }
    .faq-item.active .faq-answer{display:block}
    .feedback-section{padding-top:0}
    .feedback-card{
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr .9fr;
      background:#fff;
    }
    .feedback-copy{
      padding:42px;
      background:
        linear-gradient(135deg,rgba(18,60,53,.96),rgba(7,31,27,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
    }
    .feedback-copy h2{margin:12px 0 12px;font-size:36px;line-height:1.2}
    .feedback-copy p{margin:0;color:rgba(255,255,255,.72)}
    .feedback-copy ul{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .feedback-copy li{display:flex;gap:10px;color:rgba(255,255,255,.82)}
    .feedback-copy li::before{content:"•";color:#F0C98A;font-weight:900}
    .feedback-form{
      padding:34px;
      display:grid;
      gap:16px;
    }
    .field{display:grid;gap:7px}
    .field label{font-weight:800;color:var(--green);font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:#FBF8F2;
      color:var(--text);
      padding:13px 14px;
      outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{
      border-color:rgba(196,138,58,.65);
      box-shadow:0 0 0 4px rgba(196,138,58,.14);
      background:#fff;
    }
    .form-note{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .site-footer{
      background:var(--green-900);
      color:rgba(255,255,255,.76);
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr 1fr;
      gap:36px;
      padding-bottom:34px;
      border-bottom:1px solid var(--line-dark);
    }
    .footer-brand .brand-title{color:#fff}
    .footer-brand .brand-sub{color:rgba(255,255,255,.6)}
    .footer-brand p{margin:18px 0 0;max-width:430px;color:rgba(255,255,255,.66)}
    .footer-col h3{margin:0 0 16px;color:#F6DFB3;font-size:17px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(255,255,255,.72);
      transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#F0C98A;transform:translateX(3px)}
    .footer-warning{
      padding:18px;
      border-radius:18px;
      background:rgba(196,138,58,.12);
      border:1px solid rgba(196,138,58,.22);
      color:rgba(255,255,255,.76);
    }
    .copyright{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:14px;
      color:rgba(255,255,255,.55);
    }
    @media (max-width:1100px){
      .container{width:min(var(--container),calc(100% - 48px))}
      .nav-cta{display:none}
      .hero-grid,.intro-layout,.faq-wrap,.feedback-card{grid-template-columns:1fr}
      .hero{min-height:auto}
      .hero-panel{transform:none;max-width:680px}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .category-layout{grid-template-columns:1fr}
      .compliance-grid{grid-template-columns:repeat(2,1fr)}
      .proof-grid{grid-template-columns:1fr}
      .faq-side{position:static}
    }
    @media (max-width:820px){
      :root{--nav-h:68px}
      .container{width:min(var(--container),calc(100% - 32px))}
      .section{padding:58px 0}
      .section-tight{padding:44px 0}
      .menu-toggle{display:flex}
      .nav-links{
        position:fixed;
        top:calc(38px + var(--nav-h));
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:16px;
        border-radius:22px;
        background:rgba(246,242,234,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{justify-content:flex-start;min-height:48px}
      .brand-title{font-size:16px}
      .brand-sub{font-size:11px}
      .hero-grid{gap:30px;padding:52px 0}
      .hero-sub{font-size:17px}
      .hero-actions{flex-direction:column;align-items:stretch}
      .trust-row{grid-template-columns:1fr}
      .notice-card{align-items:flex-start;flex-direction:column}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .point-grid{grid-template-columns:1fr}
      .guide-step{grid-template-columns:52px 1fr;padding:18px}
      .step-mini{display:none}
      .timeline::before{left:26px}
      .category-card{grid-template-columns:1fr}
      .category-media{min-height:220px}
      .compliance-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .top-alert .container{font-size:12px;line-height:1.5;padding:8px 0}
      .hero h1{font-size:34px}
      .hero-kicker{font-size:12px}
      .panel-cover{height:190px}
      .feature-large{min-height:430px}
      .feature-large-content{padding:24px}
      .feature-large-content h3{font-size:24px}
      .category-content,.feedback-copy,.feedback-form{padding:24px}
      .feedback-copy h2{font-size:28px}
      .copyright{display:block}
    }

/* roulang page: category1 */
:root{
      --color-primary:#123C35;
      --color-primary-deep:#071F1B;
      --color-accent:#C48A3A;
      --color-accent-soft:#E4C99F;
      --color-bg:#F6F2EA;
      --color-bg-2:#EFE7DA;
      --color-card:#FFFDF8;
      --color-text:#173B35;
      --color-muted:#6A756F;
      --color-line:rgba(18,60,53,.12);
      --color-line-strong:rgba(196,138,58,.35);
      --shadow-soft:0 14px 38px rgba(18,60,53,.10);
      --shadow-hover:0 20px 54px rgba(18,60,53,.16);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
      --header-h:82px;
      --ease:.25s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--color-text);
      background:
        radial-gradient(circle at 12% 12%, rgba(196,138,58,.12), transparent 26%),
        linear-gradient(180deg,var(--color-bg) 0%,#FBF8F1 52%,var(--color-bg-2) 100%);
      line-height:1.75;
      min-width:320px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{border:0;background:none;cursor:pointer}
    :focus-visible{outline:3px solid rgba(196,138,58,.55);outline-offset:3px;border-radius:12px}
    ::selection{background:rgba(196,138,58,.25);color:var(--color-primary-deep)}

    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .section{padding:82px 0}
    .section-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;border-radius:var(--radius-pill);
      background:rgba(196,138,58,.14);
      color:#83551E;font-size:14px;font-weight:700;
      border:1px solid rgba(196,138,58,.25);
    }
    .eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--color-accent)}
    .section-head{max-width:760px;margin-bottom:34px}
    .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
    h1,h2,h3{line-height:1.18;color:var(--color-primary-deep);font-weight:800;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5vw,58px);margin:18px 0 18px}
    h2{font-size:clamp(26px,3.4vw,38px);margin:14px 0 12px}
    h3{font-size:21px}
    p{color:var(--color-muted)}
    .lead{font-size:18px;max-width:760px;color:#4C625C}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:48px;padding:12px 22px;border-radius:var(--radius-pill);
      font-weight:800;font-size:15px;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:var(--color-accent);color:#fff;box-shadow:0 10px 24px rgba(196,138,58,.28)}
    .btn-primary:hover{background:#B87A2E;box-shadow:0 16px 34px rgba(196,138,58,.35)}
    .btn-secondary{border:1px solid rgba(18,60,53,.22);color:var(--color-primary);background:rgba(255,255,255,.48)}
    .btn-secondary:hover{background:var(--color-bg-2);border-color:rgba(196,138,58,.45)}
    .btn-ghost{color:var(--color-primary);font-weight:800;display:inline-flex;align-items:center;gap:8px}
    .btn-ghost:after{content:"›";font-size:22px;line-height:1;color:var(--color-accent);transition:transform var(--ease)}
    .btn-ghost:hover:after{transform:translateX(4px)}

    .site-header{
      position:sticky;top:0;z-index:100;
      background:rgba(246,242,234,.92);
      backdrop-filter:saturate(160%) blur(16px);
      border-bottom:1px solid var(--color-line);
      box-shadow:0 6px 24px rgba(18,60,53,.06);
    }
    .navbar{
      min-height:var(--header-h);
      display:flex;align-items:center;justify-content:space-between;gap:28px;
    }
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:46px;height:46px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--color-primary),var(--color-primary-deep));
      color:#F7E9D1;font-weight:900;letter-spacing:.04em;
      box-shadow:0 10px 22px rgba(18,60,53,.16);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-title{font-weight:900;color:var(--color-primary-deep);font-size:18px}
    .brand-sub{font-size:12px;color:var(--color-muted);margin-top:3px}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:8px;flex:1}
    .nav-links a{
      position:relative;padding:10px 15px;border-radius:var(--radius-pill);
      color:#234B44;font-weight:800;font-size:15px;
      transition:background var(--ease),color var(--ease);
    }
    .nav-links a:hover{background:rgba(196,138,58,.12);color:var(--color-primary-deep)}
    .nav-links a.active{background:rgba(196,138,58,.18);color:#85561E}
    .nav-links a.active:after{
      content:"";position:absolute;left:18px;right:18px;bottom:5px;height:2px;
      background:var(--color-accent);border-radius:9px;
    }
    .nav-cta{display:flex;align-items:center}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;border:1px solid var(--color-line);
      background:rgba(255,255,255,.55);align-items:center;justify-content:center;flex-direction:column;gap:5px;
    }
    .menu-toggle span{width:20px;height:2px;background:var(--color-primary);border-radius:8px;transition:var(--ease)}
    .menu-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open span:nth-child(2){opacity:0}
    .menu-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

    .inner-hero{
      position:relative;
      padding:64px 0 42px;
      overflow:hidden;
      border-bottom:1px solid var(--color-line);
    }
    .inner-hero:before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg,rgba(246,242,234,.96) 0%,rgba(246,242,234,.86) 45%,rgba(18,60,53,.20) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      z-index:-2;
    }
    .inner-hero:after{
      content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
      background:rgba(196,138,58,.18);filter:blur(4px);z-index:-1;
    }
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      font-size:14px;font-weight:700;color:#5D706A;margin-bottom:8px;
    }
    .breadcrumb a{color:var(--color-primary)}
    .breadcrumb span{color:var(--color-muted)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:38px;align-items:center}
    .hero-panel{
      background:rgba(255,253,248,.78);
      border:1px solid rgba(18,60,53,.12);
      border-radius:var(--radius-xl);
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:22px}
    .panel-note{
      display:grid;grid-template-columns:auto 1fr;gap:12px;margin-top:16px;padding:16px;border-radius:18px;
      background:rgba(239,231,218,.72);
      border:1px solid rgba(18,60,53,.10);
    }
    .note-icon{
      width:38px;height:38px;border-radius:14px;background:var(--color-primary);color:#F7E9D1;
      display:grid;place-items:center;font-weight:900;
    }
    .panel-note strong{display:block;color:var(--color-primary-deep);margin-bottom:2px}
    .panel-note p{font-size:14px;line-height:1.6}

    .tag-strip{
      display:flex;gap:12px;align-items:center;overflow:auto;padding:18px;
      background:rgba(255,253,248,.72);
      border:1px solid var(--color-line);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      scrollbar-width:thin;
    }
    .tag{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:38px;padding:8px 15px;border-radius:var(--radius-pill);
      border:1px solid rgba(18,60,53,.15);background:#fff;color:#365A53;
      font-weight:800;font-size:14px;white-space:nowrap;
    }
    .tag.current{background:var(--color-accent);border-color:var(--color-accent);color:#fff}
    .tag:hover{border-color:var(--color-line-strong);background:#FFF8ED}

    .content-layout{
      display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;align-items:start;
    }
    .guide-list{display:flex;flex-direction:column;gap:18px}
    .media-card{
      display:grid;grid-template-columns:230px 1fr;gap:22px;
      padding:18px;border-radius:var(--radius-lg);background:var(--color-card);
      border:1px solid var(--color-line);box-shadow:0 10px 28px rgba(18,60,53,.06);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
      overflow:hidden;
    }
    .media-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--color-line-strong)}
    .media-thumb{position:relative;overflow:hidden;border-radius:18px;background:var(--color-bg-2)}
    .media-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease}
    .media-card:hover .media-thumb img{transform:scale(1.04)}
    .media-body{display:flex;flex-direction:column;justify-content:center;min-width:0}
    .meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
    .label{
      display:inline-flex;align-items:center;padding:5px 10px;border-radius:var(--radius-pill);
      background:rgba(18,60,53,.08);color:var(--color-primary);font-size:13px;font-weight:900;
    }
    .date{font-size:13px;color:#7E8984;font-weight:700}
    .media-card h2{font-size:24px;margin:0 0 8px}
    .media-card p{font-size:15.5px;line-height:1.72;margin-bottom:14px}

    .sidebar{position:sticky;top:104px;display:flex;flex-direction:column;gap:18px}
    .side-card{
      padding:22px;border-radius:var(--radius-lg);background:rgba(255,253,248,.86);
      border:1px solid var(--color-line);box-shadow:0 10px 28px rgba(18,60,53,.06);
    }
    .side-card h2{
      position:relative;font-size:22px;margin:0 0 16px;padding-top:12px;
    }
    .side-card h2:before{
      content:"";position:absolute;left:0;top:0;width:44px;height:4px;border-radius:999px;background:var(--color-accent);
    }
    .hot-list{display:flex;flex-direction:column;gap:12px}
    .hot-item{
      padding:13px 0;border-bottom:1px solid var(--color-line);
      display:flex;gap:10px;align-items:flex-start;
    }
    .hot-item:last-child{border-bottom:0;padding-bottom:0}
    .hot-index{
      width:26px;height:26px;border-radius:10px;background:rgba(196,138,58,.15);
      color:#8C5B23;display:grid;place-items:center;font-weight:900;font-size:13px;flex:0 0 auto;
    }
    .hot-item strong{display:block;color:var(--color-primary-deep);line-height:1.45;font-size:15px}
    .hot-item span{display:inline-block;margin-top:4px;color:var(--color-muted);font-size:13px}
    .verify-box{
      display:grid;gap:12px;
    }
    .verify-item{
      display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:15px;
      background:rgba(239,231,218,.55);
    }
    .verify-item i{
      width:22px;height:22px;border-radius:50%;background:var(--color-primary);color:#fff;
      display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:900;flex:0 0 auto;margin-top:2px;
    }
    .dark-tip{
      background:linear-gradient(145deg,var(--color-primary),var(--color-primary-deep));
      color:#F8EDDA;border-color:rgba(255,255,255,.13);overflow:hidden;position:relative;
    }
    .dark-tip:after{
      content:"";position:absolute;right:-70px;bottom:-70px;width:180px;height:180px;border-radius:50%;
      background:rgba(196,138,58,.18);
    }
    .dark-tip h2{color:#FFF6E6}
    .dark-tip p{color:rgba(255,246,230,.82);position:relative;z-index:1}
    .dark-tip .btn{margin-top:16px;position:relative;z-index:1}

    .steps{
      background:linear-gradient(180deg,rgba(18,60,53,.04),rgba(196,138,58,.07));
      border-top:1px solid var(--color-line);
      border-bottom:1px solid var(--color-line);
    }
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-card{
      position:relative;padding:24px;border-radius:var(--radius-lg);background:rgba(255,253,248,.8);
      border:1px solid var(--color-line);box-shadow:0 8px 24px rgba(18,60,53,.05);
    }
    .step-no{
      width:42px;height:42px;border-radius:15px;background:var(--color-accent);color:#fff;
      display:grid;place-items:center;font-weight:900;margin-bottom:16px;
      box-shadow:0 10px 20px rgba(196,138,58,.2);
    }
    .step-card h3{margin-bottom:9px}
    .step-card p{font-size:15px;line-height:1.68}

    .faq-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:start}
    .faq-list{display:flex;flex-direction:column;gap:14px}
    .faq-item{
      background:var(--color-card);border:1px solid var(--color-line);border-radius:20px;
      box-shadow:0 8px 24px rgba(18,60,53,.05);overflow:hidden;
    }
    .faq-question{
      width:100%;min-height:62px;padding:18px 20px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      text-align:left;color:var(--color-primary-deep);font-weight:900;
    }
    .faq-question .plus{
      width:28px;height:28px;border-radius:50%;background:rgba(196,138,58,.14);color:#87571E;
      display:grid;place-items:center;font-size:20px;line-height:1;transition:transform var(--ease),background var(--ease);
      flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;overflow:hidden;transition:max-height .3s ease;
      background:rgba(239,231,218,.38);
    }
    .faq-answer p{padding:0 20px 18px;font-size:15.5px}
    .faq-item.open .faq-answer{max-height:220px}
    .faq-item.open .plus{transform:rotate(45deg);background:var(--color-accent);color:#fff}
    .faq-aside{
      border-radius:var(--radius-xl);padding:28px;
      background:linear-gradient(145deg,rgba(18,60,53,.96),rgba(7,31,27,.98));
      color:#fff;box-shadow:var(--shadow-soft);
    }
    .faq-aside h2{color:#FFF6E6}
    .faq-aside p{color:rgba(255,246,230,.82)}
    .mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
    .mini-stat{
      padding:16px;border-radius:18px;border:1px solid rgba(255,255,255,.13);
      background:rgba(255,255,255,.06);
    }
    .mini-stat strong{display:block;color:#F2C887;font-size:26px;line-height:1}
    .mini-stat span{font-size:13px;color:rgba(255,246,230,.72)}

    .cta-band{padding:0 0 86px}
    .cta-card{
      position:relative;overflow:hidden;border-radius:32px;padding:42px;
      background:
        linear-gradient(100deg,rgba(7,31,27,.94),rgba(18,60,53,.86)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      box-shadow:var(--shadow-hover);
      display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
    }
    .cta-card h2{color:#FFF7EA;margin-top:0}
    .cta-card p{color:rgba(255,247,234,.82);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta-card .btn-secondary{border-color:rgba(255,255,255,.35);color:#FFF7EA;background:rgba(255,255,255,.06)}
    .cta-card .btn-secondary:hover{background:rgba(255,255,255,.13)}

    .site-footer{
      background:var(--color-primary-deep);color:#F7E9D1;padding:54px 0 26px;
    }
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr 1fr;gap:34px;align-items:start}
    .site-footer .brand-title{color:#FFF7EA}
    .site-footer .brand-sub{color:rgba(255,247,234,.68)}
    .footer-brand p{margin-top:18px;color:rgba(255,247,234,.70);max-width:460px}
    .footer-col h3{color:#FFF7EA;font-size:18px;margin-bottom:16px}
    .footer-links{display:flex;flex-direction:column;gap:10px}
    .footer-links a{color:rgba(255,247,234,.72);transition:color var(--ease),transform var(--ease)}
    .footer-links a:hover{color:#F2C887;transform:translateX(3px)}
    .footer-warning{
      padding:16px;border-radius:18px;background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);color:rgba(255,247,234,.78);font-size:14px;
    }
    .copyright{
      margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
      color:rgba(255,247,234,.58);font-size:13px;
    }

    @media (max-width:1100px){
      .container{width:min(var(--container),calc(100% - 48px))}
      .nav-cta{display:none}
      .hero-grid,.content-layout,.faq-wrap{grid-template-columns:1fr}
      .sidebar{position:static;display:grid;grid-template-columns:repeat(3,1fr)}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:820px){
      :root{--header-h:72px}
      .container{width:min(var(--container),calc(100% - 32px))}
      .navbar{min-height:var(--header-h)}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;left:16px;right:16px;top:calc(100% + 10px);
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:16px;background:rgba(255,253,248,.98);
        border:1px solid var(--color-line);border-radius:22px;box-shadow:var(--shadow-hover);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{min-height:46px;display:flex;align-items:center;justify-content:center}
      .brand-mark{width:42px;height:42px;border-radius:14px}
      .brand-title{font-size:16px}
      .brand-sub{font-size:11px}
      .inner-hero{padding:42px 0 30px}
      .hero-panel{padding:14px}
      .media-card{grid-template-columns:1fr}
      .media-card h2{font-size:21px}
      .sidebar{grid-template-columns:1fr}
      .section{padding:62px 0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:560px){
      .container{width:min(var(--container),calc(100% - 28px))}
      h1{font-size:32px}
      .lead{font-size:16px}
      .tag-strip{margin-left:-2px;margin-right:-2px;padding:14px;border-radius:20px}
      .step-grid,.mini-stats{grid-template-columns:1fr}
      .cta-card{padding:28px 22px;border-radius:24px}
      .cta-actions .btn{width:100%}
      .section-head{margin-bottom:24px}
      .media-card{padding:14px;border-radius:20px}
      .faq-question{padding:16px;min-height:58px}
      .faq-answer p{padding:0 16px 16px}
    }