/* roulang page: index */
:root{
      --ink:#17241d;
      --muted:#637168;
      --deep:#163d2c;
      --deep-2:#0f2f23;
      --green:#2f6b4d;
      --green-soft:#e6f0e9;
      --sand:#f5efe1;
      --sand-2:#fbf7ed;
      --amber:#b97931;
      --amber-soft:#fff0d9;
      --card:#ffffff;
      --line:rgba(68,96,79,.18);
      --shadow:0 22px 60px rgba(22,61,44,.12);
      --shadow-soft:0 12px 34px rgba(22,61,44,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --ease:all .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(--ink);
      background:
        radial-gradient(circle at 12% 6%, rgba(47,107,77,.10), transparent 34%),
        linear-gradient(180deg,var(--sand-2),#fff 42%,var(--sand-2));
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:none;cursor:pointer;background:none}
    input,textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      padding:14px 15px;
      outline:none;
      transition:var(--ease);
    }
    input:focus,textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(47,107,77,.13);
    }
    textarea{min-height:110px;resize:vertical}
    :focus-visible{
      outline:3px solid rgba(185,121,49,.45);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-size:14px;
      font-weight:700;
      letter-spacing:.04em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:28px;
      height:3px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--green),var(--amber));
    }
    .section-title{
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.02em;
      margin-bottom:16px;
    }
    .section-lead{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      line-height:1.2;
      transition:var(--ease);
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--deep);
      color:#fff8e8;
      box-shadow:0 16px 34px rgba(22,61,44,.22);
    }
    .btn-primary:hover{
      transform:translateY(-3px);
      background:var(--deep-2);
      box-shadow:0 20px 44px rgba(22,61,44,.28);
    }
    .btn-secondary{
      border:1px solid rgba(47,107,77,.32);
      background:rgba(255,255,255,.72);
      color:var(--deep);
    }
    .btn-secondary:hover{
      transform:translateY(-3px);
      background:var(--green-soft);
      border-color:var(--green);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:700;
      color:var(--deep);
      background:var(--green-soft);
      border:1px solid rgba(47,107,77,.13);
    }
    .badge-amber{background:var(--amber-soft);color:#7a4a16;border-color:rgba(185,121,49,.18)}
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(47,107,77,.42);
      box-shadow:var(--shadow);
    }

    .notice{
      position:relative;
      z-index:50;
      background:#f1e8d5;
      border-bottom:1px solid rgba(185,121,49,.18);
      color:#4c422e;
      font-size:14px;
    }
    .notice-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .notice-left{display:flex;align-items:center;gap:10px}
    .notice-mark{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:24px;
      height:24px;
      border-radius:50%;
      background:var(--deep);
      color:#fff8e8;
      font-weight:900;
      font-size:13px;
      flex:0 0 auto;
    }
    .notice a{
      color:var(--deep);
      font-weight:800;
      position:relative;
    }
    .notice a::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-3px;
      height:1px;
      background:var(--deep);
      transform:scaleX(.4);
      transform-origin:left;
      transition:var(--ease);
    }
    .notice a:hover::after{transform:scaleX(1)}

    .site-header{
      position:sticky;
      top:0;
      z-index:49;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(251,247,237,.82);
      border-bottom:1px solid rgba(68,96,79,.12);
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(255,255,255,.94);
      box-shadow:0 10px 30px rgba(22,61,44,.08);
    }
    .nav{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      color:var(--deep);
      line-height:1.18;
    }
    .logo-symbol{
      width:44px;
      height:44px;
      border-radius:16px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),transparent),
        var(--deep);
      color:#fff8e8;
      display:grid;
      place-items:center;
      box-shadow:0 12px 26px rgba(22,61,44,.2);
      flex:0 0 auto;
    }
    .logo-text{
      max-width:285px;
      font-size:15px;
      letter-spacing:.01em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 13px;
      border-radius:999px;
      color:#2a392f;
      font-weight:750;
      font-size:15px;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--deep);
      background:var(--green-soft);
    }
    .nav-action{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--deep);
    }
    .menu-toggle span{
      display:block;
      width:19px;
      height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:999px;
      transition:var(--ease);
    }

    .hero{
      position:relative;
      padding:72px 0 92px;
      isolation:isolate;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(251,247,237,.96),rgba(251,247,237,.74),rgba(22,61,44,.10)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0 0;
      height:120px;
      background:linear-gradient(180deg,transparent,var(--sand-2));
      z-index:-1;
    }
    .hero-shell{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.72fr);
      gap:34px;
      align-items:end;
    }
    .hero-copy{
      padding:34px 0;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      background:rgba(255,255,255,.68);
      border:1px solid rgba(47,107,77,.18);
      color:var(--deep);
      border-radius:999px;
      padding:8px 13px;
      font-size:14px;
      font-weight:800;
      margin-bottom:20px;
      box-shadow:0 12px 30px rgba(22,61,44,.08);
    }
    .hero h1{
      max-width:930px;
      font-size:clamp(34px,6.1vw,66px);
      line-height:1.12;
      letter-spacing:-.045em;
      font-weight:900;
      color:var(--ink);
      text-wrap:balance;
      overflow-wrap:anywhere;
    }
    .hero h1 em{
      font-style:normal;
      color:var(--deep);
      position:relative;
    }
    .hero h1 em::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:.05em;
      height:.22em;
      background:rgba(185,121,49,.24);
      z-index:-1;
      border-radius:999px;
    }
    .hero-subtitle{
      max-width:760px;
      margin-top:24px;
      color:#435348;
      font-size:18px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .hero-tags{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .visual-board{
      position:relative;
      min-height:520px;
      border-radius:34px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.62);
      box-shadow:0 28px 80px rgba(22,61,44,.20);
      background:var(--deep);
    }
    .visual-board img{
      width:100%;
      height:100%;
      min-height:520px;
      object-fit:cover;
      opacity:.82;
      filter:saturate(.92) contrast(1.03);
    }
    .visual-board::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg,rgba(15,47,35,.08),rgba(15,47,35,.62)),
        radial-gradient(circle at 70% 22%,rgba(255,240,217,.24),transparent 32%);
    }
    .board-caption{
      position:absolute;
      left:24px;
      right:24px;
      bottom:24px;
      z-index:2;
      display:grid;
      gap:14px;
    }
    .caption-main{
      background:rgba(255,248,232,.92);
      border:1px solid rgba(255,255,255,.75);
      border-radius:24px;
      padding:20px;
      color:var(--deep);
    }
    .caption-main strong{
      display:block;
      font-size:22px;
      line-height:1.28;
      margin-bottom:7px;
    }
    .caption-main p{color:#526056;font-size:15px}
    .caption-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .mini-note{
      padding:12px;
      border-radius:18px;
      background:rgba(22,61,44,.78);
      color:#fff8e8;
      border:1px solid rgba(255,255,255,.16);
      min-height:82px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .mini-note span{font-size:12px;color:rgba(255,248,232,.72)}
    .mini-note b{font-size:16px}

    .entry-band{
      margin-top:-44px;
      position:relative;
      z-index:3;
    }
    .entry-grid{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:18px;
      align-items:stretch;
    }
    .entry-intro{
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      min-height:230px;
      background:
        linear-gradient(135deg,#fff,rgba(230,240,233,.72));
    }
    .entry-intro h2{
      font-size:28px;
      line-height:1.25;
      margin-bottom:10px;
    }
    .entry-intro p{color:var(--muted);max-width:620px}
    .step-list{
      display:grid;
      gap:12px;
    }
    .step-item{
      display:grid;
      grid-template-columns:58px 1fr auto;
      gap:15px;
      align-items:center;
      padding:17px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      transition:var(--ease);
    }
    .step-item:hover{
      transform:translateX(5px);
      border-color:rgba(185,121,49,.34);
      box-shadow:var(--shadow-soft);
    }
    .step-no{
      width:48px;
      height:48px;
      border-radius:18px;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--deep);
      font-weight:900;
      transition:var(--ease);
    }
    .step-item:hover .step-no{background:var(--amber);color:#fff}
    .step-item h3{font-size:18px;margin-bottom:2px}
    .step-item p{color:var(--muted);font-size:14px}
    .step-arrow{
      color:var(--green);
      font-size:22px;
      transition:var(--ease);
    }
    .step-item:hover .step-arrow{transform:translateX(4px);color:var(--amber)}

    .feature-layout{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:28px;
      align-items:start;
    }
    .feature-cover{
      position:sticky;
      top:104px;
      overflow:hidden;
      min-height:520px;
      background:var(--deep);
    }
    .feature-cover img{
      width:100%;
      height:520px;
      object-fit:cover;
      opacity:.86;
    }
    .feature-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(15,47,35,.75));
    }
    .feature-cover-content{
      position:absolute;
      left:26px;
      right:26px;
      bottom:26px;
      z-index:2;
      color:#fff8e8;
    }
    .feature-cover-content h3{
      font-size:28px;
      line-height:1.25;
      margin:13px 0 10px;
    }
    .feature-cover-content p{color:rgba(255,248,232,.82)}
    .feature-list{
      display:grid;
      gap:16px;
    }
    .feature-card{
      display:grid;
      grid-template-columns:164px 1fr;
      gap:20px;
      padding:18px;
      overflow:hidden;
    }
    .feature-card img{
      width:100%;
      height:138px;
      object-fit:cover;
      border-radius:20px;
    }
    .feature-card h3{
      font-size:21px;
      line-height:1.35;
      margin:10px 0 8px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .feature-card p{
      color:var(--muted);
      font-size:15px;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:7px;
      margin-top:13px;
      color:var(--deep);
      font-weight:850;
    }
    .text-link span{transition:var(--ease)}
    .text-link:hover span{transform:translateX(4px)}

    .latest-section{
      background:
        linear-gradient(180deg,rgba(230,240,233,.65),rgba(251,247,237,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover fixed;
      position:relative;
    }
    .latest-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:rgba(251,247,237,.86);
    }
    .latest-section .container{position:relative}
    .latest-head{
      display:flex;
      justify-content:space-between;
      gap:22px;
      align-items:end;
      margin-bottom:28px;
    }
    .latest-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 340px;
      gap:24px;
      align-items:start;
    }
    .post-list{display:grid;gap:14px}
    .post-item{
      display:grid;
      grid-template-columns:90px 1fr auto;
      gap:18px;
      align-items:center;
      padding:20px;
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:24px;
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .post-item:hover{
      transform:translateY(-3px);
      border-color:rgba(47,107,77,.42);
      box-shadow:var(--shadow);
    }
    .date-box{
      min-height:74px;
      border-radius:20px;
      background:var(--sand);
      color:var(--deep);
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      text-align:center;
      font-weight:900;
      border:1px solid rgba(185,121,49,.14);
      padding:8px;
    }
    .date-box small{
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      margin-top:3px;
    }
    .post-body h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:6px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-body p{
      color:var(--muted);
      font-size:15px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:8px;
    }
    .post-arrow{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--deep);
      font-size:21px;
      transition:var(--ease);
      flex:0 0 auto;
    }
    .post-item:hover .post-arrow{background:var(--deep);color:#fff8e8;transform:translateX(4px)}
    .latest-side{
      position:sticky;
      top:104px;
      padding:24px;
      background:rgba(255,255,255,.92);
    }
    .latest-side h3{font-size:22px;margin-bottom:10px}
    .latest-side p{color:var(--muted);font-size:15px}
    .tag-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }
    .empty-state{
      padding:34px;
      text-align:center;
      background:rgba(255,255,255,.94);
      border:1px dashed rgba(47,107,77,.35);
      border-radius:26px;
      box-shadow:var(--shadow-soft);
    }
    .empty-icon{
      width:64px;
      height:64px;
      margin:0 auto 16px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--deep);
      font-size:28px;
      font-weight:900;
    }
    .empty-state p{color:var(--muted);margin-bottom:18px}

    .standard-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:30px;
      position:relative;
    }
    .standard-card{
      padding:24px;
      min-height:255px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .standard-num{
      width:54px;
      height:54px;
      border-radius:20px;
      display:grid;
      place-items:center;
      background:var(--deep);
      color:#fff8e8;
      font-weight:900;
      margin-bottom:22px;
    }
    .standard-card h3{font-size:20px;margin-bottom:9px}
    .standard-card p{color:var(--muted);font-size:15px}

    .evidence{
      background:var(--deep);
      color:#fff8e8;
      position:relative;
      overflow:hidden;
    }
    .evidence::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(15,47,35,.88),rgba(15,47,35,.70)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      opacity:.92;
    }
    .evidence .container{position:relative}
    .evidence .section-lead{color:rgba(255,248,232,.78)}
    .proof-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:24px;
      margin-top:32px;
    }
    .proof-card{
      border-radius:28px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.09);
      padding:26px;
      backdrop-filter:blur(12px);
    }
    .proof-card h3{font-size:24px;margin-bottom:12px}
    .proof-card p{color:rgba(255,248,232,.78)}
    .proof-points{
      display:grid;
      gap:12px;
      margin-top:20px;
    }
    .proof-point{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:13px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
    }
    .proof-point b{
      width:26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--amber);
      flex:0 0 auto;
    }
    .proof-image{
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.16);
      min-height:370px;
    }
    .proof-image img{
      width:100%;
      height:100%;
      min-height:370px;
      object-fit:cover;
      opacity:.9;
    }

    .faq-wrap{
      display:grid;
      grid-template-columns:360px 1fr;
      gap:32px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:22px;
      background:#fff;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .faq-item.is-open{border-color:rgba(185,121,49,.42)}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:20px 22px;
      text-align:left;
      color:var(--ink);
      font-weight:850;
      font-size:17px;
    }
    .faq-question i{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--deep);
      font-style:normal;
      transition:var(--ease);
      flex:0 0 auto;
    }
    .faq-item.is-open .faq-question i{background:var(--amber);color:#fff;transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      padding:0 22px 20px 22px;
      color:var(--muted);
      border-left:4px solid var(--amber);
      margin-left:22px;
      padding-left:16px;
    }

    .contact-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:26px;
      align-items:stretch;
    }
    .cta-card{
      padding:34px;
      background:
        linear-gradient(135deg,rgba(22,61,44,.92),rgba(47,107,77,.83)),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      color:#fff8e8;
      overflow:hidden;
      position:relative;
    }
    .cta-card::after{
      content:"";
      position:absolute;
      width:220px;
      height:220px;
      border-radius:50%;
      right:-70px;
      bottom:-80px;
      background:rgba(255,240,217,.12);
    }
    .cta-card h2{
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      margin:12px 0 14px;
      position:relative;
    }
    .cta-card p{
      color:rgba(255,248,232,.80);
      position:relative;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
      position:relative;
    }
    .cta-card .btn-secondary{
      background:rgba(255,255,255,.10);
      color:#fff8e8;
      border-color:rgba(255,255,255,.28);
    }
    .contact-form{
      padding:30px;
      background:#fff;
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:18px;
    }
    .form-grid .full{grid-column:1/-1}
    .form-note{
      color:var(--muted);
      font-size:14px;
      margin-top:12px;
    }

    .site-footer{
      background:#0f2f23;
      color:#fff8e8;
      padding:58px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:32px;
      align-items:start;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.14);
    }
    .footer-brand{
      display:flex;
      gap:14px;
      align-items:flex-start;
      font-weight:900;
      line-height:1.2;
      margin-bottom:14px;
    }
    .footer-brand .logo-symbol{box-shadow:none;background:#fff8e8;color:var(--deep)}
    .footer-desc{color:rgba(255,248,232,.72);max-width:520px}
    .footer-title{
      font-size:16px;
      font-weight:900;
      margin-bottom:13px;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,248,232,.74);
      transition:var(--ease);
      width:max-content;
    }
    .footer-links a:hover{
      color:#ffd99f;
      transform:translateX(4px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,248,232,.62);
      font-size:14px;
    }

    @media (max-width:1024px){
      .hero-shell,.entry-grid,.feature-layout,.latest-grid,.faq-wrap,.contact-grid,.proof-grid{
        grid-template-columns:1fr;
      }
      .visual-board{min-height:430px}
      .visual-board img{min-height:430px}
      .feature-cover,.latest-side{position:relative;top:auto}
      .standard-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .nav-links{
        position:fixed;
        left:20px;
        right:20px;
        top:118px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        background:#fff;
        border:1px solid var(--line);
        border-radius:24px;
        padding:14px;
        box-shadow:var(--shadow);
      }
      .nav-links.is-open{display:flex}
      .nav-links a{padding:14px 16px}
      .menu-toggle{display:block}
      .nav-action .btn{display:none}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:62px 0}
      .section-tight{padding:52px 0}
      .notice-inner{align-items:flex-start;flex-direction:column;padding:10px 0;gap:6px}
      .nav{min-height:68px}
      .logo-symbol{width:40px;height:40px;border-radius:14px}
      .logo-text{max-width:220px;font-size:13px}
      .hero{padding:46px 0 68px}
      .hero-copy{padding:12px 0}
      .hero h1{font-size:clamp(32px,12vw,44px)}
      .hero-subtitle{font-size:16px}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .caption-row{grid-template-columns:1fr}
      .visual-board,.visual-board img{min-height:480px}
      .step-item{grid-template-columns:50px 1fr}
      .step-arrow{display:none}
      .feature-card{grid-template-columns:1fr}
      .feature-card img{height:210px}
      .latest-head{display:block}
      .latest-head .btn{margin-top:18px}
      .post-item{grid-template-columns:1fr;gap:12px}
      .date-box{width:100%;min-height:auto;align-items:flex-start;padding:12px 14px}
      .standard-grid{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:520px){
      .section-title{font-size:28px}
      .entry-intro,.contact-form,.cta-card{padding:22px}
      .caption-main{padding:17px}
      .caption-main strong{font-size:19px}
      .visual-board,.visual-board img{min-height:420px}
      .feature-cover img{height:390px}
      .hero-tags .badge{font-size:12px}
      .latest-side{padding:20px}
      .post-body h3{font-size:18px}
      .faq-question{padding:18px;font-size:16px}
      .faq-answer p{margin-left:18px;padding-right:18px}
    }

/* roulang page: article */
:root{
      --ink:#17241d;
      --muted:#637168;
      --deep:#163d2c;
      --deep-2:#0f2f23;
      --green:#2f6b4d;
      --green-soft:#e6f0e9;
      --sand:#f5efe1;
      --sand-2:#fbf7ed;
      --amber:#b97931;
      --amber-soft:#fff0d9;
      --card:#ffffff;
      --line:rgba(68,96,79,.18);
      --shadow:0 22px 60px rgba(22,61,44,.12);
      --shadow-soft:0 12px 34px rgba(22,61,44,.08);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --ease:all .24s ease;
    }
    *{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(--ink);
      background:
        radial-gradient(circle at 12% 6%, rgba(47,107,77,.10), transparent 34%),
        radial-gradient(circle at 90% 16%, rgba(185,121,49,.08), transparent 30%),
        linear-gradient(180deg,var(--sand-2),#fff 44%,var(--sand-2));
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:none;cursor:pointer;background:none}
    input,textarea{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      padding:14px 15px;
      outline:none;
      transition:var(--ease);
    }
    input:focus,textarea:focus{
      border-color:var(--green);
      box-shadow:0 0 0 4px rgba(47,107,77,.13);
    }
    textarea{min-height:110px;resize:vertical}
    :focus-visible{
      outline:3px solid rgba(185,121,49,.42);
      outline-offset:3px;
      border-radius:12px;
    }
    .container{
      width:min(calc(100% - 40px),var(--container));
      margin:0 auto;
    }
    .section{padding:92px 0}
    .section-tight{padding:70px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-size:14px;
      font-weight:800;
      letter-spacing:.04em;
      margin-bottom:14px;
    }
    .eyebrow::before{
      content:"";
      width:28px;
      height:3px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--green),var(--amber));
    }
    .section-title{
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.02em;
      margin:0 0 16px;
      font-weight:850;
    }
    .section-lead{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
      margin:0;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:800;
      line-height:1.2;
      transition:var(--ease);
      white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{
      background:var(--deep);
      color:#fff8e8;
      box-shadow:0 16px 34px rgba(22,61,44,.22);
    }
    .btn-primary:hover{
      transform:translateY(-3px);
      background:var(--deep-2);
      color:#fff8e8;
      box-shadow:0 20px 44px rgba(22,61,44,.28);
    }
    .btn-secondary{
      border-color:rgba(47,107,77,.32);
      background:rgba(255,255,255,.72);
      color:var(--deep);
    }
    .btn-secondary:hover{
      transform:translateY(-3px);
      background:var(--green-soft);
      border-color:var(--green);
      color:var(--deep);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:999px;
      padding:6px 10px;
      font-size:13px;
      font-weight:800;
      color:var(--deep);
      background:var(--green-soft);
      border:1px solid rgba(47,107,77,.13);
      white-space:nowrap;
    }
    .badge-amber{background:var(--amber-soft);color:#7a4a16;border-color:rgba(185,121,49,.18)}
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      transition:var(--ease);
    }
    .card:hover{
      transform:translateY(-4px);
      border-color:rgba(47,107,77,.42);
      box-shadow:var(--shadow);
    }
    .notice{
      background:linear-gradient(90deg,rgba(255,240,217,.92),rgba(245,239,225,.92));
      border-bottom:1px solid rgba(185,121,49,.20);
      color:#4f3c22;
      font-size:14px;
    }
    .notice-inner{
      min-height:42px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:8px 0;
    }
    .notice-text{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .notice-dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(185,121,49,.12);
      flex:0 0 auto;
    }
    .notice a{
      color:var(--deep);
      font-weight:850;
      position:relative;
      white-space:nowrap;
    }
    .notice a::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-3px;
      height:1px;
      background:var(--deep);
      transform:scaleX(.4);
      transform-origin:left;
      transition:var(--ease);
    }
    .notice a:hover::after{transform:scaleX(1)}
    .site-header{
      position:sticky;
      top:0;
      z-index:49;
      backdrop-filter:saturate(160%) blur(18px);
      background:rgba(251,247,237,.82);
      border-bottom:1px solid rgba(68,96,79,.12);
      transition:var(--ease);
    }
    .site-header.is-scrolled{
      background:rgba(255,255,255,.94);
      box-shadow:0 10px 30px rgba(22,61,44,.08);
    }
    .nav{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      color:var(--deep);
      line-height:1.18;
    }
    .logo-symbol{
      width:44px;
      height:44px;
      border-radius:16px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.22),transparent),
        var(--deep);
      color:#fff8e8;
      display:grid;
      place-items:center;
      box-shadow:0 12px 26px rgba(22,61,44,.2);
      flex:0 0 auto;
      font-weight:950;
    }
    .logo-text{
      max-width:285px;
      font-size:15px;
      letter-spacing:.01em;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 13px;
      border-radius:999px;
      color:#2a392f;
      font-weight:750;
      font-size:15px;
      transition:var(--ease);
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--deep);
      background:var(--green-soft);
    }
    .nav-action{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid var(--line);
      background:#fff;
      color:var(--deep);
      transition:var(--ease);
    }
    .menu-toggle:hover{background:var(--green-soft)}
    .menu-toggle span{
      display:block;
      width:19px;
      height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:999px;
      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)}
    .menu-mask{
      position:fixed;
      inset:0;
      z-index:45;
      background:rgba(15,47,35,.26);
      opacity:0;
      pointer-events:none;
      transition:var(--ease);
    }
    .menu-mask.is-open{opacity:1;pointer-events:auto}

    .article-hero{
      position:relative;
      isolation:isolate;
      padding:54px 0 72px;
      overflow:hidden;
      background:
        linear-gradient(100deg,rgba(251,247,237,.96),rgba(251,247,237,.86) 50%,rgba(22,61,44,.32)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(68,96,79,.14);
    }
    .article-hero::after{
      content:"";
      position:absolute;
      inset:auto -8% -42% 52%;
      height:330px;
      background:radial-gradient(circle,rgba(47,107,77,.18),transparent 66%);
      z-index:-1;
    }
    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      gap:9px;
      flex-wrap:wrap;
      color:#758278;
      font-size:14px;
      margin-bottom:28px;
    }
    .breadcrumb-wrap a{
      color:var(--deep);
      font-weight:800;
      transition:var(--ease);
    }
    .breadcrumb-wrap a:hover{color:var(--amber)}
    .breadcrumb-sep{color:#9ba69e}
    .article-heading{
      display:grid;
      grid-template-columns:minmax(0,1fr) 360px;
      gap:34px;
      align-items:end;
    }
    .article-kicker{
      display:flex;
      gap:9px;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    .article-title{
      margin:0;
      max-width:880px;
      font-size:clamp(32px,5vw,58px);
      line-height:1.14;
      letter-spacing:-.035em;
      font-weight:900;
      color:var(--ink);
      overflow-wrap:anywhere;
    }
    .article-desc{
      margin:20px 0 0;
      max-width:790px;
      color:var(--muted);
      font-size:18px;
      line-height:1.85;
    }
    .meta-line{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
      color:#5d6c62;
      font-size:14px;
    }
    .cover-panel{
      position:relative;
      border-radius:var(--radius-lg);
      min-height:258px;
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.45);
      background:var(--deep);
    }
    .cover-panel img{
      width:100%;
      height:100%;
      min-height:258px;
      object-fit:cover;
      filter:saturate(.92) contrast(1.02);
    }
    .cover-panel::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(15,47,35,.08),rgba(15,47,35,.58));
    }
    .cover-caption{
      position:absolute;
      left:20px;
      right:20px;
      bottom:18px;
      z-index:2;
      color:#fff8e8;
    }
    .cover-caption strong{
      display:block;
      font-size:18px;
      line-height:1.35;
      margin-bottom:4px;
    }
    .cover-caption span{
      color:rgba(255,248,232,.78);
      font-size:13px;
    }

    .article-shell{
      padding:76px 0 0;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,800px) minmax(280px,1fr);
      gap:38px;
      align-items:start;
    }
    .reading-card{
      background:rgba(255,255,255,.92);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      padding:42px;
      overflow:hidden;
    }
    .article-body{
      color:#25332b;
      font-size:17px;
      line-height:1.9;
      overflow-wrap:anywhere;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body p{
      margin:0 0 1.25em;
    }
    .article-body h2{
      font-size:clamp(25px,3vw,34px);
      line-height:1.25;
      margin:2.1em 0 .85em;
      font-weight:850;
      color:var(--ink);
      position:relative;
      padding-left:18px;
    }
    .article-body h2::before{
      content:"";
      position:absolute;
      left:0;
      top:.23em;
      width:5px;
      height:1.08em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--green),var(--amber));
    }
    .article-body h3{
      font-size:clamp(21px,2.4vw,26px);
      line-height:1.34;
      margin:1.8em 0 .72em;
      font-weight:820;
      color:var(--deep);
    }
    .article-body h4{
      margin:1.6em 0 .65em;
      color:var(--deep);
      font-weight:820;
    }
    .article-body a{
      color:var(--green);
      font-weight:800;
      border-bottom:1px solid rgba(47,107,77,.26);
      transition:var(--ease);
    }
    .article-body a:hover{
      color:var(--amber);
      border-bottom-color:rgba(185,121,49,.45);
    }
    .article-body blockquote{
      margin:28px 0;
      padding:20px 22px;
      border-left:5px solid var(--amber);
      background:linear-gradient(90deg,var(--amber-soft),rgba(255,255,255,.78));
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      color:#4b3a25;
      font-weight:650;
    }
    .article-body ul,.article-body ol{
      margin:0 0 1.35em 1.25em;
      padding:0;
    }
    .article-body li{margin:.4em 0;padding-left:.12em}
    .article-body img{
      border-radius:18px;
      margin:30px auto;
      box-shadow:var(--shadow-soft);
      border:1px solid rgba(68,96,79,.13);
    }
    .article-body figure{
      margin:34px 0;
    }
    .article-body figcaption{
      margin-top:10px;
      text-align:center;
      color:var(--muted);
      font-size:14px;
    }
    .article-body hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--line),transparent);
      margin:36px 0;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:28px 0;
      border:1px solid var(--line);
      border-radius:18px;
      overflow:hidden;
      display:block;
      overflow-x:auto;
      background:#fff;
    }
    .article-body th,.article-body td{
      padding:13px 15px;
      border-bottom:1px solid rgba(68,96,79,.12);
      min-width:130px;
      vertical-align:top;
    }
    .article-body th{
      background:var(--green-soft);
      color:var(--deep);
      font-weight:850;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body code{
      border:1px solid rgba(68,96,79,.16);
      background:#f7f3e9;
      border-radius:8px;
      padding:2px 6px;
      color:#7a4a16;
      font-size:.92em;
    }
    .article-body pre{
      overflow:auto;
      padding:18px;
      border-radius:18px;
      background:#10261d;
      color:#fff8e8;
      border:1px solid rgba(255,255,255,.12);
    }
    .article-body pre code{
      padding:0;
      border:0;
      background:transparent;
      color:inherit;
    }
    .empty-state{
      text-align:center;
      padding:48px 24px;
      border:1px dashed rgba(47,107,77,.32);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,rgba(230,240,233,.72),rgba(255,255,255,.84));
    }
    .empty-icon{
      width:64px;
      height:64px;
      margin:0 auto 18px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:var(--green-soft);
      color:var(--deep);
      font-size:28px;
      font-weight:900;
    }
    .empty-state h2{
      margin:0 0 10px;
      font-size:26px;
      color:var(--deep);
    }
    .empty-state p{
      margin:0 auto 22px;
      color:var(--muted);
      max-width:520px;
    }

    .sidebar{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:rgba(255,255,255,.90);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      padding:24px;
    }
    .side-title{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin:0 0 14px;
      font-size:19px;
      line-height:1.35;
      color:var(--deep);
      font-weight:850;
    }
    .side-title::after{
      content:"";
      height:3px;
      flex:1;
      border-radius:999px;
      background:linear-gradient(90deg,rgba(47,107,77,.22),transparent);
    }
    .toc-list,.side-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .toc-list a,.side-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:16px;
      color:#33443a;
      background:rgba(245,239,225,.55);
      border:1px solid rgba(68,96,79,.10);
      transition:var(--ease);
      font-weight:750;
      font-size:14px;
    }
    .toc-list a:hover,.side-list a:hover{
      color:var(--deep);
      background:var(--green-soft);
      border-color:rgba(47,107,77,.30);
      transform:translateX(3px);
    }
    .side-note{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .info-stack{
      display:grid;
      gap:11px;
    }
    .info-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px solid rgba(68,96,79,.12);
      font-size:14px;
    }
    .info-row:last-child{border-bottom:0}
    .info-row span:first-child{color:var(--muted)}
    .info-row strong{color:var(--deep);text-align:right}

    .related{
      padding:76px 0 0;
    }
    .related-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:24px;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .related-card{
      position:relative;
      overflow:hidden;
      padding:22px;
      min-height:210px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .related-card::before{
      content:"";
      position:absolute;
      inset:auto -18% -40% 44%;
      width:190px;
      height:190px;
      border-radius:999px;
      background:rgba(47,107,77,.09);
      pointer-events:none;
    }
    .related-card h3{
      margin:13px 0 8px;
      font-size:21px;
      line-height:1.35;
      font-weight:850;
      color:var(--ink);
    }
    .related-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .arrow-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-top:20px;
      color:var(--deep);
      font-weight:850;
      transition:var(--ease);
    }
    .arrow-link span{transition:var(--ease)}
    .arrow-link:hover{color:var(--amber)}
    .arrow-link:hover span{transform:translateX(4px)}
    .reading-tips{
      padding:76px 0 0;
    }
    .tips-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:stretch;
    }
    .tip-card{
      padding:28px;
      background:linear-gradient(135deg,rgba(230,240,233,.90),rgba(255,255,255,.88));
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .tip-card h2,.tip-card h3{
      margin:0 0 12px;
      color:var(--deep);
      font-weight:880;
    }
    .tip-card p{margin:0;color:var(--muted)}
    .tip-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .tip-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#304238;
    }
    .tip-list li::before{
      content:"";
      width:9px;
      height:9px;
      margin-top:.62em;
      flex:0 0 auto;
      border-radius:999px;
      background:var(--amber);
      box-shadow:0 0 0 5px rgba(185,121,49,.12);
    }
    .faq{
      display:grid;
      gap:12px;
    }
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-q{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px;
      color:var(--deep);
      font-weight:850;
      text-align:left;
    }
    .faq-a{
      display:none;
      padding:0 20px 18px;
      color:var(--muted);
      border-top:1px solid rgba(68,96,79,.10);
    }
    .faq-item.is-open{
      border-color:rgba(185,121,49,.34);
      box-shadow:var(--shadow-soft);
    }
    .faq-item.is-open .faq-a{display:block}

    .article-cta{
      padding:76px 0 92px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:28px;
      align-items:center;
      padding:34px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(110deg,rgba(22,61,44,.94),rgba(15,47,35,.90)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff8e8;
      box-shadow:var(--shadow);
    }
    .cta-box::after{
      content:"";
      position:absolute;
      right:-70px;
      top:-70px;
      width:220px;
      height:220px;
      border-radius:999px;
      border:1px solid rgba(255,248,232,.20);
      background:rgba(255,248,232,.06);
    }
    .cta-box h2{
      position:relative;
      z-index:1;
      margin:0 0 10px;
      font-size:clamp(26px,3vw,38px);
      line-height:1.2;
      font-weight:900;
    }
    .cta-box p{
      position:relative;
      z-index:1;
      margin:0;
      max-width:730px;
      color:rgba(255,248,232,.78);
    }
    .cta-actions{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .cta-box .btn-primary{
      background:#fff8e8;
      color:var(--deep);
      box-shadow:none;
    }
    .cta-box .btn-primary:hover{
      background:#fff0d9;
      color:var(--deep);
    }
    .cta-box .btn-secondary{
      border-color:rgba(255,248,232,.34);
      background:rgba(255,255,255,.08);
      color:#fff8e8;
    }
    .cta-box .btn-secondary:hover{
      background:rgba(255,255,255,.16);
      border-color:#fff8e8;
      color:#fff8e8;
    }

    .site-footer{
      background:var(--deep-2);
      color:#fff8e8;
      padding:58px 0 28px;
      position:relative;
      overflow:hidden;
    }
    .site-footer::before{
      content:"";
      position:absolute;
      inset:-35% auto auto 58%;
      width:420px;
      height:420px;
      border-radius:999px;
      background:rgba(185,121,49,.12);
      pointer-events:none;
    }
    .footer-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.35fr .75fr .75fr;
      gap:38px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,248,232,.16);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      line-height:1.25;
      margin-bottom:14px;
    }
    .footer-desc{
      max-width:530px;
      color:rgba(255,248,232,.72);
      margin:0;
    }
    .footer-title{
      font-weight:850;
      margin-bottom:14px;
      color:#fff8e8;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,248,232,.70);
      transition:var(--ease);
      width:max-content;
      max-width:100%;
    }
    .footer-links a:hover{
      color:var(--amber);
      transform:translateX(3px);
    }
    .copyright{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      padding-top:22px;
      color:rgba(255,248,232,.62);
      font-size:14px;
    }

    @media (max-width:1024px){
      .article-heading{
        grid-template-columns:1fr;
        align-items:start;
      }
      .cover-panel{max-width:620px}
      .article-layout{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
        grid-template-columns:repeat(2,1fr);
      }
      .related-grid{grid-template-columns:1fr 1fr}
      .tips-grid{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .notice-inner{
        align-items:flex-start;
        flex-direction:column;
        gap:4px;
      }
      .nav{min-height:68px}
      .logo-text{max-width:210px;font-size:13px}
      .nav-links{
        position:fixed;
        z-index:50;
        top:0;
        right:0;
        width:min(86vw,340px);
        height:100vh;
        margin:0;
        padding:86px 20px 28px;
        background:rgba(255,255,255,.96);
        box-shadow:-16px 0 42px rgba(22,61,44,.16);
        flex-direction:column;
        align-items:stretch;
        gap:10px;
        transform:translateX(105%);
        transition:var(--ease);
      }
      .nav-links.is-open{transform:translateX(0)}
      .nav-links a{
        padding:14px 16px;
        border-radius:16px;
      }
      .nav-action .btn{display:none}
      .menu-toggle{display:block;position:relative;z-index:55}
      .article-hero{padding:38px 0 52px}
      .breadcrumb-wrap{
        overflow-x:auto;
        flex-wrap:nowrap;
        padding-bottom:4px;
      }
      .breadcrumb-wrap span,.breadcrumb-wrap a{white-space:nowrap}
      .article-title{font-size:clamp(31px,9vw,44px)}
      .article-desc{font-size:16px}
      .reading-card{padding:28px 22px;border-radius:24px}
      .article-body{font-size:16px}
      .sidebar{grid-template-columns:1fr}
      .related-head{align-items:flex-start;flex-direction:column}
      .related-grid{grid-template-columns:1fr}
      .section{padding:62px 0}
      .section-tight{padding:52px 0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .logo-symbol{width:40px;height:40px;border-radius:14px}
      .logo-text{max-width:168px}
      .article-kicker{gap:7px}
      .badge{font-size:12px;padding:5px 9px}
      .meta-line{align-items:flex-start;flex-direction:column}
      .cover-panel,.cover-panel img{min-height:220px}
      .reading-card{padding:24px 18px}
      .article-body h2{padding-left:15px}
      .tip-card{padding:22px}
      .cta-box{padding:26px 20px}
      .cta-actions .btn{width:100%}
      .btn{width:auto;white-space:normal;text-align:center}
      .article-body table{font-size:14px}
    }

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