/* roulang page: index */
:root{
      --primary:#0f4a43;
      --primary-dark:#08342f;
      --primary-soft:#e6f2ef;
      --secondary:#c9782e;
      --secondary-soft:#fff2e4;
      --warning:#94611f;
      --bg:#f7f5ef;
      --bg-soft:#eef4f1;
      --surface:#ffffff;
      --surface-2:#fbfaf6;
      --text:#1f2927;
      --muted:#63706d;
      --muted-2:#87918e;
      --border:#dbe4df;
      --border-strong:#bfd0c9;
      --shadow:0 18px 45px rgba(15,74,67,.10);
      --shadow-soft:0 10px 28px rgba(31,41,39,.07);
      --radius-sm:10px;
      --radius:16px;
      --radius-lg:24px;
      --container:1200px;
      --section:88px;
      --ease:.24s 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(--text);
      background:linear-gradient(180deg,var(--bg) 0%,#fff 42%,var(--bg-soft) 100%);
      line-height:1.78;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    ::selection{background:var(--primary);color:#fff}
    .container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,250,246,.92);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(219,228,223,.9);
      transition:box-shadow var(--ease),background var(--ease);
    }
    .site-header.scrolled{box-shadow:0 10px 30px rgba(15,74,67,.08);background:rgba(255,255,255,.96)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:245px;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:800;
      letter-spacing:.5px;
      background:linear-gradient(135deg,var(--primary),#1b756a);
      box-shadow:0 12px 26px rgba(15,74,67,.18);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-title{font-weight:800;font-size:17px;color:var(--primary-dark)}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;
      padding:10px 15px;
      border-radius:999px;
      color:#30403d;
      font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-link:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
    .nav-link.active{background:var(--primary);color:#fff}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--border);
      border-radius:12px;
      background:#fff;
      color:var(--primary);
      cursor:pointer;
      transition:border-color var(--ease),background var(--ease);
    }
    .menu-toggle:hover,.menu-toggle:focus{border-color:var(--primary);background:var(--primary-soft);outline:none}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      cursor:pointer;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
      white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(15,74,67,.18)}
    .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,74,67,.22)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:var(--border-strong)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn:focus{outline:3px solid rgba(201,120,46,.28);outline-offset:3px}
    .hero{
      position:relative;
      padding:78px 0 74px;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(247,245,239,.96) 0%,rgba(247,245,239,.86) 48%,rgba(230,242,239,.70) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid var(--border);
    }
    .hero:before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      border-radius:50%;
      right:-120px;
      top:40px;
      background:radial-gradient(circle,rgba(201,120,46,.18),rgba(201,120,46,0) 68%);
      pointer-events:none;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:120px;
      background:linear-gradient(180deg,rgba(255,255,255,0),rgba(255,255,255,.55));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(390px,.82fr);
      gap:52px;
      align-items:center;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      color:var(--primary);
      border:1px solid var(--border);
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 18px rgba(15,74,67,.06);
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--secondary);
    }
    h1{
      margin-top:22px;
      max-width:760px;
      font-size:clamp(30px,4.2vw,48px);
      line-height:1.18;
      letter-spacing:-.6px;
      color:#132522;
    }
    .hero-lead{
      margin-top:22px;
      max-width:720px;
      color:#4f5f5b;
      font-size:18px;
      line-height:1.86;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .trust-strip{
      margin-top:30px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:10px;
      max-width:760px;
    }
    .trust-item{
      padding:14px 13px;
      border:1px solid rgba(191,208,201,.85);
      border-radius:14px;
      background:rgba(255,255,255,.70);
      box-shadow:0 8px 20px rgba(15,74,67,.05);
    }
    .trust-item strong{display:block;font-size:15px;color:var(--primary-dark);line-height:1.25}
    .trust-item span{display:block;margin-top:4px;font-size:12px;color:var(--muted)}
    .hero-panel{
      position:relative;
      background:rgba(255,255,255,.84);
      border:1px solid rgba(191,208,201,.95);
      border-radius:28px;
      padding:18px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel-img{
      position:relative;
      min-height:235px;
      border-radius:22px;
      background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .hero-panel-img:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(8,52,47,.05),rgba(8,52,47,.52));
    }
    .panel-card{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(255,255,255,.8);
      backdrop-filter:blur(12px);
    }
    .panel-card h2{font-size:20px;line-height:1.35;color:var(--primary-dark)}
    .panel-card p{margin-top:8px;color:var(--muted);font-size:14px}
    .panel-list{display:grid;gap:10px;margin-top:16px}
    .panel-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#3d4a47;
      background:var(--surface-2);
      border:1px solid var(--border);
      border-radius:14px;
      padding:12px;
      font-size:14px;
    }
    .panel-list li:before{
      content:"✓";
      flex:0 0 22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:800;
      line-height:1;
    }
    main{background:linear-gradient(180deg,rgba(255,255,255,.76),rgba(238,244,241,.72))}
    .section{padding:var(--section) 0}
    .section.compact{padding-top:56px}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:34px;
    }
    .section-kicker{
      color:var(--secondary);
      font-weight:800;
      font-size:14px;
      letter-spacing:.04em;
      margin-bottom:8px;
    }
    .section-title{
      font-size:clamp(24px,3vw,34px);
      line-height:1.28;
      color:#172823;
      letter-spacing:-.3px;
    }
    .section-desc{
      max-width:520px;
      color:var(--muted);
      font-size:15px;
    }
    .steps-wrap{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .steps-card,.notice-card,.service-card,.article-card,.faq-card,.cta-card{
      background:var(--surface);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .steps-card{padding:28px}
    .step-row{
      display:grid;
      grid-template-columns:70px 1fr;
      gap:18px;
      padding:22px 0;
      border-bottom:1px dashed var(--border-strong);
    }
    .step-row:first-child{padding-top:0}
    .step-row:last-child{border-bottom:0;padding-bottom:0}
    .step-no{
      width:52px;
      height:52px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--secondary-soft);
      color:var(--secondary);
      font-weight:900;
      font-size:18px;
    }
    .step-row h3{font-size:20px;color:var(--primary-dark);margin-bottom:5px}
    .step-row p{color:var(--muted);font-size:15px}
    .notice-card{
      padding:28px;
      background:linear-gradient(145deg,#ffffff 0%,#f4faf7 100%);
      position:relative;
      overflow:hidden;
    }
    .notice-card:before{
      content:"";
      position:absolute;
      width:130px;height:130px;
      right:-35px;top:-35px;
      border-radius:50%;
      background:rgba(15,74,67,.08);
    }
    .notice-card h3{font-size:22px;color:var(--primary-dark);margin-bottom:12px}
    .notice-card p{color:var(--muted);font-size:15px}
    .notice-list{margin-top:18px;display:grid;gap:12px}
    .notice-list li{
      list-style:none;
      padding:12px 14px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--border);
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#384845;
      font-size:14px;
    }
    .notice-list li:before{content:"•";color:var(--secondary);font-weight:900;font-size:22px;line-height:18px}
    .service-layout{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:24px;
    }
    .service-card{padding:0;overflow:hidden;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
    .service-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
    .service-large .service-img{height:285px;background:url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat}
    .service-body{padding:26px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 11px;
      background:var(--primary-soft);
      color:var(--primary);
      font-size:13px;
      font-weight:800;
    }
    .badge.orange{background:var(--secondary-soft);color:var(--secondary)}
    .service-card h3{margin-top:14px;font-size:23px;line-height:1.35;color:var(--primary-dark)}
    .service-card p{margin-top:10px;color:var(--muted);font-size:15px}
    .service-side{display:grid;gap:24px}
    .mini-card{display:grid;grid-template-columns:132px 1fr;min-height:180px}
    .mini-img{background-size:cover;background-position:center}
    .mini-img.one{background-image:url('/assets/images/coverpic/cover-3.webp')}
    .mini-img.two{background-image:url('/assets/images/coverpic/cover-4.webp')}
    .process{
      background:linear-gradient(135deg,var(--primary-dark),#135a51);
      color:#fff;
      border-radius:32px;
      padding:42px;
      overflow:hidden;
      position:relative;
      box-shadow:var(--shadow);
    }
    .process:before{
      content:"";
      position:absolute;
      inset:0;
      background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.12;
      mix-blend-mode:screen;
    }
    .process > *{position:relative;z-index:1}
    .process .section-kicker{color:#ffd9ae}
    .process .section-title{color:#fff}
    .process .section-desc{color:rgba(255,255,255,.78)}
    .timeline{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:34px;
    }
    .time-item{
      padding:18px;
      border-radius:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
      min-height:150px;
      transition:background var(--ease),transform var(--ease);
    }
    .time-item:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
    .time-dot{
      width:34px;height:34px;border-radius:50%;
      display:grid;place-items:center;
      background:#fff;color:var(--primary);
      font-weight:900;margin-bottom:14px;
    }
    .time-item h3{font-size:17px;margin-bottom:7px}
    .time-item p{font-size:13px;color:rgba(255,255,255,.76);line-height:1.65}
    .guide-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:start;
    }
    .feature-article{
      overflow:hidden;
      transition:transform var(--ease),box-shadow var(--ease);
    }
    .feature-article:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .feature-img{
      height:310px;
      background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      position:relative;
    }
    .feature-img .badge{position:absolute;left:18px;top:18px;background:rgba(255,255,255,.92)}
    .article-body{padding:26px}
    .article-body h3{font-size:24px;line-height:1.35;color:var(--primary-dark)}
    .article-body p{margin-top:10px;color:var(--muted);font-size:15px}
    .article-list{display:grid;gap:14px}
    .article-item{
      display:grid;
      grid-template-columns:92px 1fr auto;
      gap:16px;
      align-items:center;
      background:#fff;
      border:1px solid var(--border);
      border-radius:18px;
      padding:14px;
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    }
    .article-item:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--shadow-soft)}
    .article-thumb{
      width:92px;height:76px;border-radius:14px;background-size:cover;background-position:center;
    }
    .article-item:nth-child(1) .article-thumb{background-image:url('/assets/images/coverpic/cover-2.webp')}
    .article-item:nth-child(2) .article-thumb{background-image:url('/assets/images/coverpic/cover-3.webp')}
    .article-item:nth-child(3) .article-thumb{background-image:url('/assets/images/coverpic/cover-4.webp')}
    .article-item:nth-child(4) .article-thumb{background-image:url('/assets/images/coverpic/cover-1.webp')}
    .article-meta{font-size:12px;color:var(--secondary);font-weight:800}
    .article-item h3{font-size:17px;line-height:1.4;color:#20312e;margin-top:3px}
    .article-item p{font-size:13px;color:var(--muted);line-height:1.65;margin-top:4px}
    .read-link{
      color:var(--primary);
      font-weight:800;
      font-size:14px;
      padding:8px 10px;
      border-radius:999px;
      transition:background var(--ease),color var(--ease);
    }
    .read-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
    .proof-band{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .proof-card{
      padding:24px;
      border-radius:22px;
      background:rgba(255,255,255,.82);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .proof-icon{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      font-weight:900;
      margin-bottom:14px;
    }
    .proof-card h3{font-size:19px;color:var(--primary-dark);margin-bottom:8px}
    .proof-card p{font-size:14px;color:var(--muted)}
    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:30px;
      align-items:start;
    }
    .faq-intro{
      position:sticky;
      top:98px;
      padding:28px;
      border-radius:24px;
      background:linear-gradient(145deg,var(--primary-soft),#fff);
      border:1px solid var(--border);
    }
    .faq-intro h2{font-size:28px;line-height:1.3;color:var(--primary-dark)}
    .faq-intro p{margin-top:12px;color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:14px}
    .faq-card{overflow:hidden}
    .faq-question{
      width:100%;
      border:0;
      background:#fff;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      text-align:left;
      color:#1f302d;
      cursor:pointer;
      font-weight:800;
      font-size:17px;
    }
    .faq-question:hover{background:var(--surface-2)}
    .faq-question:focus{outline:3px solid rgba(15,74,67,.18);outline-offset:-3px}
    .faq-plus{
      flex:0 0 30px;
      width:30px;height:30px;
      border-radius:50%;
      display:grid;place-items:center;
      background:var(--primary-soft);
      color:var(--primary);
      transition:transform var(--ease);
    }
    .faq-card.open .faq-plus{transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .risk-box{
      display:grid;
      grid-template-columns:60px 1fr;
      gap:18px;
      padding:28px;
      border-radius:26px;
      background:linear-gradient(135deg,#fff7ee,#fffdf8);
      border:1px solid #edd7bb;
      box-shadow:var(--shadow-soft);
    }
    .risk-icon{
      width:60px;height:60px;border-radius:18px;
      display:grid;place-items:center;
      background:#fff;
      color:var(--warning);
      font-size:28px;
      border:1px solid #edd7bb;
    }
    .risk-box h2{font-size:25px;color:#5d3a13;margin-bottom:8px}
    .risk-box p{color:#70563a;font-size:15px}
    .risk-list{
      margin-top:16px;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
    }
    .risk-list li{
      list-style:none;
      padding:10px 12px;
      border-radius:12px;
      background:rgba(255,255,255,.72);
      border:1px solid rgba(237,215,187,.8);
      color:#62451f;
      font-size:14px;
    }
    .cta{
      padding-bottom:var(--section);
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      padding:38px;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:30px;
      background:
        linear-gradient(90deg,rgba(255,255,255,.94),rgba(230,242,239,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    }
    .cta-card h2{font-size:30px;line-height:1.28;color:var(--primary-dark)}
    .cta-card p{margin-top:10px;color:var(--muted);max-width:700px}
    .site-footer{
      background:#102622;
      color:rgba(255,255,255,.82);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:14px}
    .footer-brand .brand-mark{box-shadow:none;background:linear-gradient(135deg,#fff,#cce2db);color:var(--primary-dark)}
    .footer-title{font-weight:900;color:#fff;font-size:18px}
    .footer-desc{color:rgba(255,255,255,.68);font-size:14px;max-width:440px}
    .footer-col h3{font-size:16px;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
      transition:color var(--ease),transform var(--ease);
    }
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-note{
      margin-top:16px;
      padding:12px 14px;
      border-radius:14px;
      background:rgba(255,255,255,.07);
      color:rgba(255,255,255,.72);
      font-size:13px;
    }
    .copyright{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:rgba(255,255,255,.55);
      font-size:13px;
      flex-wrap:wrap;
    }
    @media (max-width:1080px){
      .nav-actions .btn{display:none}
      .brand{min-width:auto}
      .hero-grid,.steps-wrap,.service-layout,.guide-grid,.faq-wrap{grid-template-columns:1fr}
      .timeline{grid-template-columns:repeat(3,1fr)}
      .faq-intro{position:static}
      .proof-band{grid-template-columns:1fr 1fr}
      .cta-card{grid-template-columns:1fr}
    }
    @media (max-width:820px){
      :root{--section:62px}
      .container{width:min(calc(100% - 28px),var(--container))}
      .nav-wrap{height:68px}
      .menu-toggle{display:grid;place-items:center}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:76px;
        padding:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--border);
        border-radius:18px;
        box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-link{width:100%;text-align:center}
      .hero{padding:52px 0 54px}
      .hero-grid{gap:30px}
      .trust-strip{grid-template-columns:1fr 1fr}
      .hero-panel-img{min-height:260px}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .mini-card{grid-template-columns:1fr}
      .mini-img{height:150px}
      .timeline{grid-template-columns:1fr}
      .process{padding:28px}
      .article-item{grid-template-columns:82px 1fr}
      .article-item .read-link{grid-column:2}
      .risk-list{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:560px){
      body{font-size:15px}
      .brand-mark{width:40px;height:40px;border-radius:12px}
      .brand-title{font-size:15px}
      .brand-sub{display:none}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .trust-strip{grid-template-columns:1fr}
      .hero-panel{padding:12px;border-radius:22px}
      .panel-card{position:relative;left:auto;right:auto;bottom:auto;margin-top:-18px}
      .hero-panel-img{min-height:190px}
      .steps-card,.notice-card,.service-body,.article-body{padding:20px}
      .step-row{grid-template-columns:1fr;gap:10px}
      .service-large .service-img,.feature-img{height:220px}
      .proof-band{grid-template-columns:1fr}
      .risk-box{grid-template-columns:1fr;padding:22px}
      .cta-card{padding:24px}
      .cta-card h2{font-size:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }

/* roulang page: category1 */
:root{
      --primary:#0b4a43;
      --primary-2:#083a36;
      --primary-soft:#e7f1ee;
      --accent:#c47a32;
      --accent-soft:#fff4e7;
      --bg:#f7f6f1;
      --bg-2:#edf4f1;
      --card:#ffffff;
      --text:#1b2423;
      --muted:#60706d;
      --light:#8a9995;
      --border:rgba(14,74,67,.14);
      --shadow:0 18px 45px rgba(10,45,41,.09);
      --shadow-soft:0 10px 25px rgba(10,45,41,.06);
      --radius:18px;
      --radius-lg:28px;
      --container:1200px;
      --focus:0 0 0 4px rgba(196,122,50,.22);
    }

    *{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;
      background:
        radial-gradient(circle at 8% 10%, rgba(11,74,67,.08), transparent 28%),
        linear-gradient(180deg, #fbfaf6 0%, var(--bg) 45%, #f2f6f4 100%);
      color:var(--text);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:.2s ease}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(11,74,67,.18);color:var(--primary-2)}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--primary);color:#fff;
      padding:10px 14px;border-radius:999px;z-index:1000
    }
    .skip-link:focus{left:16px;box-shadow:var(--focus);outline:none}

    .site-header{
      position:sticky;top:0;z-index:100;
      background:rgba(251,250,246,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(14,74,67,.12);
      transition:.25s ease;
    }
    .header-inner{
      min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:inline-flex;align-items:center;justify-content:center;
      background:linear-gradient(135deg,var(--primary),#1b665d);
      color:#fff;font-weight:800;letter-spacing:.5px;
      box-shadow:0 12px 24px rgba(11,74,67,.18);
      flex:0 0 auto;
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
    .brand-title{font-weight:800;color:var(--primary-2);font-size:18px;white-space:nowrap}
    .brand-sub{font-size:12px;color:var(--muted);white-space:nowrap}
    .nav-wrap{display:flex;align-items:center;gap:18px}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;
      padding:10px 14px;border-radius:999px;
      color:#42524f;font-weight:650;font-size:15px;
    }
    .nav-link:hover{color:var(--primary);background:rgba(11,74,67,.07)}
    .nav-link.active{color:var(--primary);background:var(--primary-soft)}
    .nav-link.active::after{
      content:"";position:absolute;left:18px;right:18px;bottom:5px;height:2px;
      background:var(--accent);border-radius:999px;
    }
    .header-action{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:42px;padding:0 18px;border-radius:999px;
      background:var(--primary);color:#fff;font-weight:750;
      box-shadow:0 10px 24px rgba(11,74,67,.16);
    }
    .header-action:hover{background:var(--primary-2);transform:translateY(-1px)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      border:1px solid var(--border);background:#fff;color:var(--primary);
      align-items:center;justify-content:center;
    }
    .menu-toggle span,.menu-toggle::before,.menu-toggle::after{
      content:"";display:block;width:19px;height:2px;background:currentColor;border-radius:999px;transition:.2s ease;
    }
    .menu-toggle{flex-direction:column;gap:5px}
    .menu-toggle.is-open span{opacity:0}
    .menu-toggle.is-open::before{transform:translateY(7px) rotate(45deg)}
    .menu-toggle.is-open::after{transform:translateY(-7px) rotate(-45deg)}

    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;
      font-weight:760;border:1px solid transparent;
      transition:.22s ease;white-space:nowrap;
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 12px 28px rgba(11,74,67,.18)}
    .btn-primary:hover{background:var(--primary-2);transform:translateY(-2px)}
    .btn-secondary{background:#fff;color:var(--primary);border-color:rgba(11,74,67,.22)}
    .btn-secondary:hover{background:var(--primary-soft);transform:translateY(-2px)}
    .btn-text{color:var(--primary);font-weight:780;display:inline-flex;align-items:center;gap:6px}
    .btn-text:hover{color:var(--accent);gap:10px}
    .btn:focus-visible,.nav-link:focus-visible,.header-action:focus-visible,.menu-toggle:focus-visible,a:focus-visible{
      outline:none;box-shadow:var(--focus)
    }

    .page-hero{
      position:relative;isolation:isolate;
      padding:54px 0 42px;
      overflow:hidden;
    }
    .page-hero::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(90deg, rgba(247,246,241,.98) 0%, rgba(247,246,241,.86) 48%, rgba(237,244,241,.70) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      z-index:-2;
    }
    .page-hero::after{
      content:"";position:absolute;right:-120px;top:30px;width:360px;height:360px;
      border-radius:50%;background:rgba(196,122,50,.12);filter:blur(10px);z-index:-1;
    }
    .breadcrumb{
      display:flex;align-items:center;gap:8px;flex-wrap:wrap;
      color:var(--muted);font-size:14px;margin-bottom:24px;
    }
    .breadcrumb a{color:var(--primary);font-weight:700}
    .breadcrumb span{color:#7d8c88}
    .hero-panel{
      display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);
      gap:34px;align-items:stretch;
    }
    .hero-copy{
      padding:26px 0 18px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border:1px solid rgba(11,74,67,.14);
      background:rgba(255,255,255,.72);border-radius:999px;
      color:var(--primary);font-size:13px;font-weight:800;
      margin-bottom:16px;
    }
    .eyebrow::before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);
      box-shadow:0 0 0 5px rgba(196,122,50,.14);
    }
    h1{
      font-size:clamp(30px,4vw,46px);
      line-height:1.18;letter-spacing:-.02em;
      color:var(--primary-2);
      max-width:780px;margin-bottom:18px;
    }
    .hero-lead{
      max-width:760px;color:#53635f;font-size:17px;line-height:1.9;margin-bottom:24px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .hero-tags{display:flex;gap:10px;flex-wrap:wrap}
    .tag{
      display:inline-flex;align-items:center;gap:6px;
      padding:7px 12px;border-radius:999px;
      background:#fff;border:1px solid var(--border);
      color:#53635f;font-size:13px;font-weight:700;
    }
    .tag strong{color:var(--primary)}
    .side-summary{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(11,74,67,.14);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow);
      align-self:stretch;
    }
    .summary-image{
      position:relative;border-radius:22px;overflow:hidden;margin-bottom:18px;
      min-height:178px;background:var(--primary-soft);
    }
    .summary-image img{width:100%;height:210px;object-fit:cover}
    .summary-badge{
      position:absolute;left:14px;bottom:14px;
      padding:7px 12px;border-radius:999px;
      background:rgba(8,58,54,.88);color:#fff;font-size:13px;font-weight:750;
    }
    .summary-list{display:grid;gap:12px}
    .summary-item{
      display:flex;gap:12px;padding:13px;border-radius:16px;
      background:#fbfcfa;border:1px solid rgba(11,74,67,.10);
    }
    .summary-icon{
      width:34px;height:34px;border-radius:12px;background:var(--primary-soft);
      display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:900;flex:0 0 auto;
    }
    .summary-item h2,.summary-item h3{font-size:15px;color:var(--primary-2);margin-bottom:2px}
    .summary-item p{font-size:13px;color:var(--muted);line-height:1.6}

    main{position:relative}
    .section{padding:76px 0}
    .section.compact{padding:58px 0}
    .section-alt{background:linear-gradient(180deg, rgba(237,244,241,.72), rgba(247,246,241,.2))}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{
      color:var(--accent);font-weight:850;font-size:14px;margin-bottom:6px;
    }
    .section-title{
      font-size:clamp(24px,3vw,34px);line-height:1.28;color:var(--primary-2);
    }
    .section-desc{max-width:650px;color:var(--muted);line-height:1.85;margin-top:8px}
    .filter-bar{
      display:flex;gap:10px;flex-wrap:wrap;
      padding:14px;background:rgba(255,255,255,.78);
      border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow-soft);
      margin-top:26px;
    }
    .filter-pill{
      display:inline-flex;align-items:center;justify-content:center;
      min-height:38px;padding:0 14px;border-radius:999px;
      border:1px solid rgba(11,74,67,.14);
      background:#fff;color:#52625f;font-size:14px;font-weight:760;
    }
    .filter-pill.active,.filter-pill:hover{background:var(--primary);border-color:var(--primary);color:#fff}

    .guide-layout{
      display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start;
    }
    .guide-list{display:grid;gap:18px}
    .guide-card{
      display:grid;grid-template-columns:228px minmax(0,1fr);
      gap:20px;background:var(--card);border:1px solid var(--border);
      border-radius:var(--radius-lg);padding:16px;box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:rgba(11,74,67,.28);
      box-shadow:var(--shadow);
    }
    .guide-media{
      position:relative;border-radius:20px;overflow:hidden;min-height:164px;background:var(--primary-soft);
    }
    .guide-media img{width:100%;height:100%;object-fit:cover}
    .guide-media::after{
      content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 48%, rgba(8,58,54,.45));
    }
    .guide-label{
      position:absolute;left:12px;top:12px;z-index:2;
      padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.90);
      color:var(--primary);font-weight:800;font-size:12px;
    }
    .guide-body{padding:4px 4px 2px;display:flex;flex-direction:column;min-width:0}
    .guide-meta{
      display:flex;gap:10px;flex-wrap:wrap;align-items:center;
      color:var(--light);font-size:13px;margin-bottom:7px;
    }
    .guide-title{
      font-size:21px;line-height:1.38;color:var(--primary-2);margin-bottom:10px;
    }
    .guide-card:hover .guide-title{color:var(--primary)}
    .guide-text{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:16px}
    .guide-actions{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:12px}
    .read-time{
      color:#7d8c88;font-size:13px;background:#f6f8f6;border:1px solid rgba(11,74,67,.08);
      padding:6px 10px;border-radius:999px;
    }

    .sidebar{position:sticky;top:96px;display:grid;gap:18px}
    .side-card{
      background:#fff;border:1px solid var(--border);
      border-radius:24px;padding:22px;box-shadow:var(--shadow-soft);
    }
    .side-card h2,.side-card h3{
      position:relative;font-size:18px;color:var(--primary-2);
      padding-left:12px;margin-bottom:14px;
    }
    .side-card h2::before,.side-card h3::before{
      content:"";position:absolute;left:0;top:.28em;width:4px;height:1.2em;border-radius:999px;background:var(--accent);
    }
    .keyword-stack{display:grid;gap:10px}
    .keyword-item{
      padding:13px;border-radius:16px;background:var(--primary-soft);
      color:var(--primary-2);font-weight:800;border:1px solid rgba(11,74,67,.08);
    }
    .keyword-item small{display:block;font-weight:600;color:var(--muted);margin-top:3px}
    .hot-list{display:grid;gap:10px;list-style:none}
    .hot-list a{
      display:flex;gap:10px;align-items:flex-start;padding:10px 0;
      border-bottom:1px dashed rgba(11,74,67,.14);color:#43524f;font-weight:700;
    }
    .hot-list li:last-child a{border-bottom:0}
    .hot-list a:hover{color:var(--primary);padding-left:4px}
    .hot-index{
      width:22px;height:22px;border-radius:8px;background:var(--accent-soft);
      color:var(--accent);display:inline-flex;align-items:center;justify-content:center;
      font-size:12px;font-weight:900;flex:0 0 auto;margin-top:2px;
    }
    .notice-box{
      background:linear-gradient(180deg,#fff8ee,#fff);
      border-color:rgba(196,122,50,.22);
    }
    .notice-box p{color:#6f5a44;font-size:14px;line-height:1.8}
    .notice-box ul{margin-top:10px;padding-left:18px;color:#6f5a44;font-size:14px}
    .notice-box li{margin:6px 0}

    .steps{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
      counter-reset:step;
    }
    .step-card{
      position:relative;background:#fff;border:1px solid var(--border);
      border-radius:24px;padding:24px;box-shadow:var(--shadow-soft);
      min-height:190px;transition:.22s ease;
    }
    .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .step-card::before{
      counter-increment:step;content:"0" counter(step);
      display:inline-flex;align-items:center;justify-content:center;
      width:42px;height:42px;border-radius:15px;background:var(--primary);
      color:#fff;font-weight:900;margin-bottom:18px;
      box-shadow:0 10px 22px rgba(11,74,67,.14);
    }
    .step-card h3{font-size:18px;color:var(--primary-2);margin-bottom:8px}
    .step-card p{color:var(--muted);font-size:14px;line-height:1.75}

    .info-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch;
    }
    .feature-large,.feature-stack .feature-card{
      background:#fff;border:1px solid var(--border);border-radius:28px;
      box-shadow:var(--shadow-soft);overflow:hidden;
    }
    .feature-large{display:grid;grid-template-columns:.94fr 1fr;min-height:330px}
    .feature-large img{width:100%;height:100%;object-fit:cover}
    .feature-content{padding:28px}
    .feature-content .tag{margin-bottom:14px}
    .feature-content h2{font-size:26px;line-height:1.35;color:var(--primary-2);margin-bottom:12px}
    .feature-content p{color:var(--muted);line-height:1.85}
    .check-list{list-style:none;display:grid;gap:10px;margin-top:18px}
    .check-list li{
      display:flex;gap:10px;color:#4f615e;font-size:15px;
    }
    .check-list li::before{
      content:"✓";width:22px;height:22px;border-radius:50%;
      display:inline-flex;align-items:center;justify-content:center;
      background:var(--primary-soft);color:var(--primary);font-weight:900;flex:0 0 auto;margin-top:2px;
    }
    .feature-stack{display:grid;gap:22px}
    .feature-card{padding:24px}
    .feature-card h3{font-size:19px;color:var(--primary-2);margin-bottom:8px}
    .feature-card p{color:var(--muted);font-size:15px;line-height:1.8}
    .feature-card:hover{border-color:rgba(11,74,67,.27);transform:translateY(-2px);transition:.22s ease}

    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .faq-item{
      background:#fff;border:1px solid var(--border);border-radius:24px;
      padding:22px;box-shadow:var(--shadow-soft);
    }
    .faq-item h3{
      display:flex;gap:10px;align-items:flex-start;
      font-size:18px;color:var(--primary-2);margin-bottom:10px;
    }
    .faq-item h3::before{
      content:"问";width:28px;height:28px;border-radius:10px;
      background:var(--primary-soft);color:var(--primary);
      display:inline-flex;align-items:center;justify-content:center;
      font-size:13px;font-weight:900;flex:0 0 auto;margin-top:1px;
    }
    .faq-item p{color:var(--muted);font-size:15px;line-height:1.85}

    .pager{
      display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:28px;
    }
    .pager a,.pager span{
      min-width:42px;height:42px;border-radius:14px;border:1px solid var(--border);
      display:inline-flex;align-items:center;justify-content:center;
      background:#fff;color:var(--primary);font-weight:800;
    }
    .pager .current{background:var(--primary);color:#fff;border-color:var(--primary)}
    .pager .more{
      width:auto;padding:0 16px;color:var(--muted);font-weight:700;background:#fdfdfb;
    }

    .cta-band{
      position:relative;overflow:hidden;
      border-radius:32px;padding:34px;
      background:
        linear-gradient(135deg, rgba(8,58,54,.95), rgba(15,89,80,.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;box-shadow:var(--shadow);
    }
    .cta-band::after{
      content:"";position:absolute;right:32px;top:-60px;width:220px;height:220px;border-radius:50%;
      border:34px solid rgba(255,255,255,.08);
    }
    .cta-content{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-band h2{font-size:28px;line-height:1.35;margin-bottom:8px}
    .cta-band p{color:rgba(255,255,255,.78);max-width:680px}
    .cta-band .btn-primary{background:#fff;color:var(--primary-2);box-shadow:none}
    .cta-band .btn-primary:hover{background:var(--accent-soft);color:#7a461d}

    .site-footer{
      background:#082d2a;color:#fff;padding:54px 0 22px;margin-top:78px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.3fr .75fr .75fr;gap:34px;
      padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
    .footer-title{font-weight:850;font-size:18px}
    .footer-desc{color:rgba(255,255,255,.70);max-width:470px;line-height:1.85;margin-bottom:14px}
    .footer-note{
      display:inline-flex;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);
      color:rgba(255,255,255,.68);font-size:13px;border:1px solid rgba(255,255,255,.10);
    }
    .footer-col h3{font-size:16px;margin-bottom:12px;color:#fff}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:rgba(255,255,255,.68);font-size:14px}
    .footer-links a:hover{color:#fff;padding-left:4px}
    .copyright{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding-top:20px;color:rgba(255,255,255,.55);font-size:13px;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .hero-panel{grid-template-columns:1fr}
      .side-summary{max-width:760px}
      .guide-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(3,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}
      .info-grid,.feature-large{grid-template-columns:1fr}
      .feature-large img{height:260px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      body{font-size:15px}
      .header-inner{min-height:68px}
      .brand-title{font-size:16px}
      .brand-sub{display:none}
      .menu-toggle{display:flex}
      .header-action{display:none}
      .nav-menu{
        position:absolute;left:16px;right:16px;top:76px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        background:rgba(255,255,255,.96);border:1px solid var(--border);
        border-radius:22px;padding:12px;box-shadow:var(--shadow);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{padding:12px 14px}
      .nav-link.active::after{display:none}
      .page-hero{padding:34px 0 34px}
      .hero-copy{padding:12px 0}
      .hero-lead{font-size:16px}
      .section{padding:54px 0}
      .section.compact{padding:42px 0}
      .section-head{display:block}
      .filter-bar{margin-top:20px}
      .guide-card{grid-template-columns:1fr;padding:14px}
      .guide-media{min-height:190px}
      .sidebar{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .cta-content{display:block}
      .cta-band{padding:28px}
      .cta-band .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }

    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      .brand-mark{width:38px;height:38px;border-radius:12px;font-size:14px}
      .hero-actions .btn{width:100%}
      .hero-tags .tag{width:100%;justify-content:center}
      .summary-image img{height:176px}
      .steps{grid-template-columns:1fr}
      .feature-content{padding:22px}
      .feature-content h2{font-size:23px}
      .guide-title{font-size:19px}
      .guide-actions{display:block}
      .guide-actions .read-time{display:inline-flex;margin-top:10px}
      .cta-band h2{font-size:24px}
    }