/* roulang page: index */
:root{
      --bg:#f6f3ec;
      --bg-soft:#eef4f1;
      --bg-deep:#123a36;
      --bg-deep-2:#164c45;
      --text:#202624;
      --muted:#66736f;
      --line:#dde5e1;
      --card:#ffffff;
      --accent:#d89a3a;
      --accent-2:#c9822b;
      --accent-soft:rgba(216,154,58,.14);
      --success:#2f8f79;
      --shadow:0 12px 36px rgba(18,58,54,.08);
      --shadow-strong:0 18px 42px rgba(18,58,54,.14);
      --radius:22px;
      --radius-sm:16px;
      --radius-xs:12px;
      --container:1240px;
      --gap:24px;
      --gap-lg:36px;
      --transition:.22s ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(216,154,58,.08), transparent 26%),
        radial-gradient(circle at top right, rgba(47,143,121,.08), transparent 24%),
        linear-gradient(180deg, #fbfbf8 0%, var(--bg) 100%);
      line-height:1.8;
      letter-spacing:.01em;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    button,input,textarea,summary{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(216,154,58,.22)}
    .container{
      width:min(100% - 32px, var(--container));
      margin:0 auto;
    }
    .topbar{
      background:rgba(18,58,54,.96);
      color:rgba(255,255,255,.88);
      font-size:13px;
      line-height:1.4;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:8px 0;
    }
    .topbar strong{color:#fff;font-weight:600}
    .topbar .note{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .pill-mini{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.08);
      white-space:nowrap;
    }
    header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:saturate(140%) blur(14px);
      background:rgba(246,243,236,.88);
      border-bottom:1px solid rgba(221,229,225,.72);
    }
    .nav-wrap{
      min-height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:max-content;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:14px;
      background:
        linear-gradient(135deg, var(--bg-deep), var(--bg-deep-2));
      box-shadow:0 10px 22px rgba(18,58,54,.18);
      position:relative;
      overflow:hidden;
      flex:none;
    }
    .brand-mark::before{
      content:"";
      position:absolute;
      inset:9px;
      border-radius:11px;
      border:1px solid rgba(255,255,255,.2);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      width:18px;
      height:18px;
      border-radius:50%;
      background:radial-gradient(circle at 35% 35%, #f4e6c6 0%, #d89a3a 62%, #b96f18 100%);
      top:12px;
      left:13px;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
    }
    .brand-text strong{
      font-size:17px;
      line-height:1.2;
      letter-spacing:.02em;
    }
    .brand-text span{
      font-size:12px;
      color:var(--muted);
      line-height:1.2;
    }
    nav.primary{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      justify-content:center;
    }
    nav.primary a{
      padding:12px 14px;
      border-radius:999px;
      color:#33413c;
      font-size:14px;
      font-weight:500;
      position:relative;
      border:1px solid transparent;
    }
    nav.primary a:hover{
      background:rgba(18,58,54,.05);
      color:var(--bg-deep);
    }
    nav.primary a.active{
      color:var(--bg-deep);
      background:rgba(18,58,54,.08);
      border-color:rgba(18,58,54,.12);
    }
    nav.primary a.active::after{
      content:"";
      position:absolute;
      left:18px;
      right:18px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg, transparent, var(--accent), transparent);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:600;
      font-size:14px;
      line-height:1;
      white-space:nowrap;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
      user-select:none;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(18,58,54,.10)}
    .btn:focus-visible,
    .chip:focus-visible,
    summary:focus-visible,
    input:focus-visible,
    textarea:focus-visible{
      outline:3px solid rgba(216,154,58,.26);
      outline-offset:2px;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 12px 24px rgba(201,130,43,.22);
    }
    .btn-primary:hover{
      color:#fff;
      box-shadow:0 16px 28px rgba(201,130,43,.28);
    }
    .btn-secondary{
      color:var(--bg-deep);
      background:rgba(255,255,255,.62);
      border-color:rgba(18,58,54,.14);
    }
    .btn-secondary:hover{
      background:#fff;
      border-color:rgba(18,58,54,.22);
    }
    main{display:block}
    .hero{
      position:relative;
      padding:28px 0 0;
    }
    .hero-shell{
      overflow:hidden;
      border-radius:30px;
      background:
        linear-gradient(135deg, rgba(18,58,54,.96) 0%, rgba(22,76,69,.92) 52%, rgba(18,58,54,.98) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#f4f8f7;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.12);
      position:relative;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 18%, rgba(240,183,90,.20), transparent 28%),
        radial-gradient(circle at 84% 20%, rgba(255,255,255,.07), transparent 20%),
        linear-gradient(180deg, rgba(8,20,18,.12), rgba(8,20,18,.34));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:30px;
      padding:48px;
      align-items:center;
    }
    .hero-copy{
      max-width:700px;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.14);
      color:#fff;
      font-size:14px;
      letter-spacing:.03em;
      margin-bottom:18px;
    }
    .hero-kicker .dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 6px rgba(216,154,58,.12);
    }
    h1{
      margin:0;
      font-size:clamp(31px, 4vw, 56px);
      line-height:1.16;
      letter-spacing:.01em;
      font-weight:800;
    }
    .hero p{
      margin:18px 0 0;
      font-size:17px;
      line-height:1.85;
      color:rgba(244,248,247,.86);
      max-width:42em;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-features{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:12px;
      margin-top:28px;
    }
    .feature{
      padding:14px 14px 15px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(4px);
      min-height:92px;
    }
    .feature strong{
      display:block;
      font-size:15px;
      color:#fff;
      line-height:1.35;
      margin-bottom:6px;
    }
    .feature span{
      display:block;
      color:rgba(244,248,247,.78);
      font-size:13px;
      line-height:1.6;
    }
    .hero-visual{
      position:relative;
      min-height:520px;
      display:flex;
      align-items:center;
      justify-content:center;
    }
    .visual-stack{
      position:relative;
      width:min(100%, 440px);
      height:500px;
    }
    .panel{
      position:absolute;
      border-radius:24px;
      overflow:hidden;
      box-shadow:0 20px 48px rgba(0,0,0,.16);
      border:1px solid rgba(255,255,255,.12);
      background:#f2f7f5;
    }
    .panel img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .panel-main{
      left:18px;
      top:10px;
      width:72%;
      height:68%;
    }
    .panel-side{
      right:0;
      bottom:10px;
      width:54%;
      height:42%;
    }
    .glass-card{
      position:absolute;
      right:6px;
      top:26px;
      width:230px;
      padding:18px 18px 16px;
      border-radius:22px;
      background:rgba(255,255,255,.90);
      color:var(--text);
      box-shadow:0 18px 34px rgba(18,58,54,.18);
      border:1px solid rgba(221,229,225,.9);
    }
    .glass-card strong{
      display:block;
      font-size:15px;
      margin-bottom:10px;
      color:var(--bg-deep);
    }
    .check-list{
      display:grid;
      gap:8px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:13px;
      line-height:1.6;
    }
    .check-list li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      margin-top:7px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(216,154,58,.14);
      flex:none;
    }
    .hero-badge{
      position:absolute;
      left:0;
      bottom:34px;
      display:flex;
      flex-direction:column;
      gap:10px;
      width:235px;
    }
    .hero-badge .mini{
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      padding:12px 14px;
      color:#fff;
      font-size:13px;
      line-height:1.55;
    }
    .hero-badge .mini strong{
      display:block;
      font-size:14px;
      margin-bottom:4px;
      color:#fff;
    }
    .section{
      padding:86px 0 0;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:26px;
    }
    .section-title{
      max-width:700px;
    }
    .section-title .eyebrow{
      color:var(--accent-2);
      font-weight:700;
      letter-spacing:.06em;
      text-transform:uppercase;
      font-size:12px;
      margin-bottom:10px;
    }
    h2{
      margin:0;
      font-size:clamp(26px, 2.8vw, 38px);
      line-height:1.25;
      font-weight:800;
      color:var(--bg-deep);
    }
    .section-title p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
      line-height:1.8;
      max-width:62em;
    }
    .section-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--bg-deep);
      font-size:14px;
      font-weight:600;
      padding:11px 14px;
      border-radius:999px;
      background:rgba(18,58,54,.06);
      border:1px solid rgba(18,58,54,.10);
      white-space:nowrap;
    }
    .section-link:hover{
      background:rgba(18,58,54,.10);
      border-color:rgba(18,58,54,.16);
    }
    .entry-grid{
      display:grid;
      grid-template-columns:.84fr 1.16fr;
      gap:24px;
      align-items:start;
    }
    .intro-card{
      position:sticky;
      top:108px;
      padding:28px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, #fff 0%, #fbfcfb 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .intro-card .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:var(--accent-soft);
      color:#8d5b12;
      font-weight:700;
      font-size:13px;
      margin-bottom:16px;
    }
    .intro-card h3{
      margin:0;
      font-size:24px;
      line-height:1.3;
      color:var(--bg-deep);
    }
    .intro-card p{
      margin:14px 0 0;
      color:var(--muted);
      line-height:1.85;
      font-size:15px;
    }
    .prompt-list{
      margin:22px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .prompt-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 0 0;
      border-top:1px solid rgba(221,229,225,.8);
      color:#3f4d49;
      font-size:14px;
      line-height:1.65;
    }
    .prompt-list li span{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:26px;
      height:26px;
      border-radius:8px;
      background:rgba(18,58,54,.08);
      color:var(--bg-deep);
      font-weight:700;
      font-size:12px;
      flex:none;
    }
    .entry-panels{
      display:grid;
      grid-template-columns:repeat(2, minmax(0, 1fr));
      gap:18px;
    }
    .info-card{
      padding:22px;
      border-radius:24px;
      background:linear-gradient(180deg, #fff 0%, #f8fbfa 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      min-height:208px;
      position:relative;
      overflow:hidden;
    }
    .info-card::after{
      content:"";
      position:absolute;
      right:-34px;
      top:-34px;
      width:110px;
      height:110px;
      border-radius:50%;
      background:rgba(216,154,58,.08);
    }
    .info-card .mini-figure{
      width:100%;
      height:148px;
      margin-top:16px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(221,229,225,.9);
      background:#eef4f1;
    }
    .info-card .mini-figure img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .info-card h3{
      margin:0;
      font-size:20px;
      line-height:1.35;
      color:var(--bg-deep);
    }
    .info-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .note-bars{
      display:grid;
      gap:10px;
      margin-top:18px;
    }
    .note-bar{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(18,58,54,.04);
      border:1px solid rgba(18,58,54,.08);
      color:#3e4c48;
      font-size:14px;
      line-height:1.7;
    }
    .note-bar em{
      font-style:normal;
      font-weight:700;
      color:var(--bg-deep);
      white-space:nowrap;
    }
    .flow{
      padding:28px;
      border-radius:28px;
      background:linear-gradient(180deg, #fff 0%, #fafcfb 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .flow-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      margin-bottom:22px;
    }
    .flow-head h3{
      margin:0;
      font-size:22px;
      color:var(--bg-deep);
    }
    .flow-head p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .steps{
      display:grid;
      grid-template-columns:repeat(4, minmax(0, 1fr));
      gap:16px;
    }
    .step{
      position:relative;
      padding:22px 18px 20px;
      border-radius:22px;
      background:var(--bg-soft);
      border:1px solid rgba(18,58,54,.08);
      min-height:170px;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition);
    }
    .step:hover{
      transform:translateY(-3px);
      box-shadow:0 14px 28px rgba(18,58,54,.10);
      border-color:rgba(216,154,58,.18);
      background:#fff;
    }
    .step .num{
      width:40px;
      height:40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:14px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      color:#fff;
      font-weight:800;
      font-size:15px;
      margin-bottom:14px;
      box-shadow:0 10px 20px rgba(201,130,43,.18);
    }
    .step h4{
      margin:0;
      font-size:18px;
      color:var(--bg-deep);
      line-height:1.35;
    }
    .step p{
      margin:10px 0 0;
      font-size:14px;
      line-height:1.75;
      color:var(--muted);
    }
    .step .chip{
      display:inline-flex;
      align-items:center;
      margin-top:14px;
      padding:7px 10px;
      border-radius:999px;
      background:rgba(18,58,54,.06);
      color:var(--bg-deep);
      font-size:12px;
      font-weight:700;
    }
    .preview-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:24px;
      align-items:start;
    }
    .feature-card{
      overflow:hidden;
      border-radius:28px;
      background:linear-gradient(180deg, #fff 0%, #fbfcfb 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .feature-card figure{
      margin:0;
      height:300px;
      overflow:hidden;
      background:#e9efec;
    }
    .feature-card figure img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .feature-body{
      padding:24px;
    }
    .tags{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:14px;
    }
    .tag-chip{
      display:inline-flex;
      align-items:center;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(216,154,58,.12);
      color:#8d5b12;
      font-size:12px;
      font-weight:700;
    }
    .feature-body h3{
      margin:0;
      font-size:24px;
      line-height:1.35;
      color:var(--bg-deep);
    }
    .feature-body p{
      margin:12px 0 0;
      color:var(--muted);
      line-height:1.8;
      font-size:15px;
    }
    .feature-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .meta-item{
      padding:9px 12px;
      border-radius:14px;
      background:rgba(18,58,54,.05);
      border:1px solid rgba(18,58,54,.08);
      color:#41504b;
      font-size:13px;
    }
    .side-list{
      display:grid;
      gap:14px;
    }
    .list-card{
      padding:18px 18px 17px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
    }
    .list-card:hover{
      transform:translateY(-2px);
      border-color:rgba(216,154,58,.2);
      box-shadow:0 16px 32px rgba(18,58,54,.10);
    }
    .list-card .meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      color:var(--muted);
      font-size:12px;
      margin-bottom:10px;
    }
    .list-card h4{
      margin:0;
      font-size:17px;
      line-height:1.55;
      color:var(--bg-deep);
    }
    .list-card p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .list-card .read{
      display:inline-flex;
      margin-top:12px;
      color:var(--bg-deep);
      font-size:13px;
      font-weight:700;
    }
    .band{
      margin-top:20px;
      padding:20px 22px;
      border-radius:24px;
      border:1px solid rgba(18,58,54,.08);
      background:linear-gradient(135deg, rgba(18,58,54,.06), rgba(216,154,58,.10));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      box-shadow:var(--shadow);
    }
    .band h3{
      margin:0;
      color:var(--bg-deep);
      font-size:20px;
      line-height:1.35;
    }
    .band p{
      margin:6px 0 0;
      color:var(--muted);
      line-height:1.7;
      font-size:14px;
    }
    .band .actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      flex:none;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:start;
    }
    .faq-list{
      display:grid;
      gap:14px;
    }
    details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:700;
      color:var(--bg-deep);
      font-size:16px;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      background:rgba(18,58,54,.06);
      color:var(--bg-deep);
      font-weight:800;
      flex:none;
      transition:transform var(--transition),background var(--transition);
    }
    details[open] summary::after{
      content:"–";
      background:rgba(216,154,58,.12);
    }
    .faq-answer{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
      border-top:1px solid rgba(221,229,225,.8);
    }
    .side-tip{
      padding:26px;
      border-radius:28px;
      background:linear-gradient(180deg, #fff 0%, #fbfcfb 100%);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .side-tip h3{
      margin:0;
      font-size:22px;
      line-height:1.35;
      color:var(--bg-deep);
    }
    .side-tip p{
      margin:12px 0 0;
      color:var(--muted);
      line-height:1.85;
      font-size:15px;
    }
    .tip-image{
      margin-top:18px;
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(221,229,225,.9);
      aspect-ratio:16 / 10;
      background:#edf2ef;
    }
    .tip-image img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .tip-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .tip-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#41504b;
      font-size:14px;
      line-height:1.7;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(18,58,54,.04);
      border:1px solid rgba(18,58,54,.07);
    }
    .tip-list li::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      margin-top:7px;
      background:var(--success);
      box-shadow:0 0 0 5px rgba(47,143,121,.10);
      flex:none;
    }
    .cta{
      padding:20px 0 0;
    }
    .cta-shell{
      border-radius:28px;
      background:linear-gradient(135deg, rgba(18,58,54,.96), rgba(22,76,69,.94));
      color:#fff;
      padding:28px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      box-shadow:var(--shadow-strong);
      border:1px solid rgba(255,255,255,.10);
    }
    .cta-shell h3{
      margin:0;
      font-size:24px;
      line-height:1.35;
    }
    .cta-shell p{
      margin:10px 0 0;
      color:rgba(244,248,247,.84);
      line-height:1.8;
      font-size:15px;
      max-width:56em;
    }
    .cta-shell .actions{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      flex:none;
    }
    footer{
      margin-top:88px;
      background:linear-gradient(180deg, #0f302d 0%, #0f2724 100%);
      color:rgba(255,255,255,.82);
    }
    .footer-inner{
      padding:44px 0 22px;
    }
    .footer-top{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:28px;
      padding-bottom:26px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand .brand-text strong,
    .footer-brand .brand-text span{color:#fff}
    .footer-brand p{
      margin:16px 0 0;
      color:rgba(255,255,255,.76);
      max-width:34em;
      font-size:14px;
      line-height:1.9;
    }
    .footer-col h4{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
      line-height:1.3;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.76);
      font-size:14px;
    }
    .footer-links a:hover{color:#f0b75a}
    .footer-note{
      padding-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
      color:rgba(255,255,255,.64);
      font-size:13px;
      line-height:1.6;
    }
    .badge-line{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid rgba(255,255,255,.10);
      font-size:12px;
      white-space:nowrap;
    }
    .badge .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:#f0b75a;
      box-shadow:0 0 0 5px rgba(240,183,90,.12);
    }
    @media (max-width: 1180px){
      .hero-inner{grid-template-columns:1fr; padding:36px}
      .hero-visual{min-height:420px}
      .visual-stack{height:420px}
      .entry-grid,
      .preview-grid,
      .faq-wrap,
      .footer-top{
        grid-template-columns:1fr;
      }
      .intro-card{position:relative; top:auto}
    }
    @media (max-width: 920px){
      .nav-wrap{flex-wrap:wrap; padding:14px 0}
      nav.primary{order:3; width:100%; justify-content:flex-start; overflow:auto; padding-bottom:4px}
      .nav-actions{margin-left:auto}
      .hero-features{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .steps{grid-template-columns:repeat(2, minmax(0, 1fr))}
      .entry-panels{grid-template-columns:1fr}
      .band,
      .cta-shell{
        flex-direction:column;
        align-items:flex-start;
      }
    }
    @media (max-width: 680px){
      .container{width:min(100% - 24px, var(--container))}
      .topbar-inner{font-size:12px}
      .hero{padding-top:20px}
      .hero-shell{border-radius:24px}
      .hero-inner{padding:24px}
      h1{font-size:clamp(30px, 8vw, 40px)}
      .hero p{font-size:15px}
      .hero-features,
      .steps{
        grid-template-columns:1fr;
      }
      .hero-visual{min-height:360px}
      .visual-stack{height:360px}
      .glass-card{
        width:210px;
        right:0;
      }
      .hero-badge{
        width:180px;
        bottom:16px;
      }
      .section{padding-top:58px}
      .section-head{flex-direction:column; align-items:flex-start}
      .feature-card figure{height:220px}
      .cta-shell,
      .flow,
      .intro-card,
      .side-tip{
        padding:20px;
      }
      .feature-body h3{font-size:21px}
      .band{padding:18px}
      .footer-inner{padding-top:34px}
      .footer-note{font-size:12px}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
      }
    }

/* roulang page: category1 */
:root{
      --primary:#123A36;
      --primary-2:#164C45;
      --primary-3:#1D5B53;
      --accent:#D89A3A;
      --accent-2:#F0B75A;
      --bg:#F6F3EC;
      --bg-soft:#EEF4F1;
      --surface:#FFFFFF;
      --surface-2:#FAFAF7;
      --text:#202624;
      --muted:#66736F;
      --line:#DDE5E1;
      --line-dark:rgba(255,255,255,.16);
      --shadow:0 16px 42px rgba(18,58,54,.09);
      --shadow-soft:0 10px 28px rgba(18,58,54,.07);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --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(--text);
      background:
        radial-gradient(circle at 10% 4%, rgba(216,154,58,.13), transparent 26rem),
        radial-gradient(circle at 88% 16%, rgba(29,91,83,.13), transparent 24rem),
        var(--bg);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:var(--ease)}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(216,154,58,.28)}
    .container{width:min(var(--container),calc(100% - 64px));margin:0 auto}
    .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    header{
      position:sticky;top:0;z-index:50;
      background:rgba(246,243,236,.92);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(221,229,225,.78);
      box-shadow:0 6px 22px rgba(18,58,54,.04);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--primary),var(--primary-3));
      position:relative;box-shadow:0 10px 24px rgba(18,58,54,.2);
      flex:0 0 auto;
    }
    .brand-mark:before{content:"";position:absolute;inset:9px;border:2px solid rgba(240,183,90,.8);border-radius:10px}
    .brand-mark:after{content:"";position:absolute;right:8px;bottom:8px;width:10px;height:10px;border-radius:50%;background:var(--accent-2)}
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:18px;letter-spacing:.02em;color:var(--primary)}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:4px}
    .primary{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px;border:1px solid rgba(221,229,225,.72);border-radius:999px;background:rgba(255,255,255,.52)}
    .primary a{padding:10px 16px;border-radius:999px;color:var(--muted);font-weight:650;font-size:14px;white-space:nowrap;position:relative}
    .primary a:hover,.primary a:focus-visible{color:var(--primary);background:rgba(29,91,83,.08);outline:none}
    .primary a.active{color:var(--primary);background:#fff;box-shadow:0 8px 20px rgba(18,58,54,.08)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:0 20px;border-radius:999px;
      font-weight:700;font-size:15px;line-height:1;border:1px solid transparent;
      transition:var(--ease);white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--accent),#C9822B);color:#1e211d;box-shadow:0 12px 24px rgba(216,154,58,.24)}
    .btn-primary:hover,.btn-primary:focus-visible{transform:translateY(-2px);box-shadow:0 16px 30px rgba(216,154,58,.32);outline:none}
    .btn-secondary{background:rgba(255,255,255,.72);border-color:var(--line);color:var(--primary)}
    .btn-secondary:hover,.btn-secondary:focus-visible{background:rgba(29,91,83,.08);border-color:rgba(29,91,83,.28);transform:translateY(-2px);outline:none}
    .btn-ghost{background:rgba(18,58,54,.06);border-color:rgba(18,58,54,.11);color:var(--primary)}
    .btn-ghost:hover,.btn-ghost:focus-visible{background:rgba(18,58,54,.11);border-color:rgba(216,154,58,.38);outline:none;transform:translateY(-2px)}
    main{overflow:hidden}
    .page-hero{padding:64px 0 42px;position:relative}
    .page-hero:before{
      content:"";position:absolute;inset:0 0 auto 0;height:360px;z-index:-1;
      background:
        linear-gradient(120deg,rgba(18,58,54,.92),rgba(29,91,83,.76)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom-left-radius:48px;border-bottom-right-radius:48px;
    }
    .hero-panel{
      display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:stretch;
      color:#fff;
    }
    .crumbs{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:18px;color:rgba(255,255,255,.72);font-size:14px}
    .crumbs a:hover{color:var(--accent-2)}
    .hero-copy{padding:28px 0 38px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);border-radius:999px;padding:7px 12px;font-size:13px;color:rgba(255,255,255,.86);margin-bottom:18px}
    .eyebrow .dot,.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 0 4px rgba(216,154,58,.16)}
    h1{font-size:clamp(32px,4.2vw,54px);line-height:1.16;letter-spacing:-.03em;margin-bottom:18px;font-weight:800}
    .hero-copy p{font-size:18px;line-height:1.85;color:rgba(255,255,255,.82);max-width:720px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .hero-actions .btn-secondary{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26);color:#fff}
    .hero-actions .btn-secondary:hover{background:rgba(255,255,255,.2);border-color:rgba(240,183,90,.5)}
    .hero-card{
      align-self:end;background:rgba(255,255,255,.95);color:var(--text);border:1px solid rgba(255,255,255,.72);
      border-radius:var(--radius-xl);padding:18px;box-shadow:0 24px 60px rgba(5,31,28,.2);margin-top:24px;
    }
    .hero-image{position:relative;border-radius:22px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-soft)}
    .hero-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(.98)}
    .image-badge{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid rgba(221,229,225,.8);border-radius:18px;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:var(--shadow-soft)}
    .image-badge strong{display:block;color:var(--primary);font-size:15px}.image-badge span{font-size:13px;color:var(--muted)}
    .check{width:36px;height:36px;border-radius:12px;background:rgba(216,154,58,.16);color:#9b641d;display:grid;place-items:center;font-weight:900;flex:0 0 auto}
    .section{padding:78px 0}
    .section.tight{padding-top:48px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:28px}
    .section-title{max-width:720px}.section-title .kicker{color:var(--accent);font-weight:800;font-size:14px;margin-bottom:8px;display:block}.section-title h2{font-size:clamp(26px,3vw,36px);line-height:1.28;color:var(--primary);margin-bottom:10px}.section-title p{color:var(--muted);font-size:16px;max-width:760px}
    .tag-row{display:flex;gap:10px;flex-wrap:wrap}
    .tag{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--primary);font-size:14px;font-weight:700;box-shadow:0 8px 18px rgba(18,58,54,.04);transition:var(--ease)}
    .tag:hover{transform:translateY(-2px);border-color:rgba(216,154,58,.45);box-shadow:var(--shadow-soft)}
    .tag.active{background:rgba(216,154,58,.16);border-color:rgba(216,154,58,.5);color:#825219}
    .layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;align-items:start}
    .content-stack{display:grid;gap:18px}
    .feature-card,.article-card,.side-card,.step-card,.faq-item,.notice-card{
      background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);transition:var(--ease)
    }
    .feature-card:hover,.article-card:hover,.side-card:hover,.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(29,91,83,.22)}
    .feature-card{padding:28px;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;border-left:5px solid var(--accent)}
    .feature-card h2{font-size:28px;line-height:1.32;color:var(--primary);margin:10px 0}.feature-card p{color:var(--muted);font-size:16px}.meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:14px}.meta span{display:inline-flex;align-items:center;gap:6px}.meta b{color:var(--primary)}
    .feature-visual{border-radius:20px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-soft)}.feature-visual img{width:100%;height:100%;object-fit:cover}
    .label{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(29,91,83,.09);color:var(--primary);font-size:13px;font-weight:800}.label.hot{background:rgba(216,154,58,.17);color:#8a581d}
    .article-card{padding:22px;display:grid;grid-template-columns:126px minmax(0,1fr);gap:18px;align-items:center}
    .article-thumb{height:104px;border-radius:18px;overflow:hidden;background:linear-gradient(135deg,rgba(18,58,54,.12),rgba(216,154,58,.16))}.article-thumb img{width:100%;height:100%;object-fit:cover}
    .article-card h3{font-size:21px;line-height:1.35;color:var(--primary);margin:8px 0}.article-card p{color:var(--muted);font-size:15px;line-height:1.72}.article-card h3 a:hover{color:#825219}
    .side{display:grid;gap:16px;position:sticky;top:98px}
    .side-card{padding:22px}.side-card h3{font-size:20px;color:var(--primary);margin-bottom:12px}.side-card p{color:var(--muted);font-size:15px;line-height:1.72}.side-list{display:grid;gap:10px;margin-top:14px}.side-list a,.side-list span{display:flex;justify-content:space-between;gap:14px;padding:12px 13px;border-radius:14px;background:var(--surface-2);border:1px solid rgba(221,229,225,.72);font-weight:700;color:var(--primary);font-size:14px}.side-list a:hover{border-color:rgba(216,154,58,.5);background:rgba(216,154,58,.11);transform:translateX(2px)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.notice-card{padding:24px;position:relative;overflow:hidden}.notice-card:before{content:"";position:absolute;right:-30px;top:-30px;width:92px;height:92px;border-radius:50%;background:rgba(216,154,58,.12)}.notice-card .num{width:38px;height:38px;border-radius:14px;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:18px}.notice-card h3{color:var(--primary);font-size:21px;margin-bottom:8px}.notice-card p{color:var(--muted);font-size:15px;line-height:1.72}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step-card{padding:22px}.step-card .step-no{font-size:13px;font-weight:900;color:#8a581d;background:rgba(216,154,58,.16);border-radius:999px;padding:5px 10px;display:inline-flex;margin-bottom:14px}.step-card h3{font-size:19px;color:var(--primary);margin-bottom:8px}.step-card p{font-size:15px;color:var(--muted);line-height:1.7}.step-card small{display:inline-flex;margin-top:14px;color:var(--primary);font-weight:800;background:rgba(29,91,83,.08);padding:5px 9px;border-radius:999px}
    .faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;align-items:start}.faq-box{display:grid;gap:12px}.faq-item{padding:20px 22px}.faq-item h3{font-size:18px;color:var(--primary);margin-bottom:8px}.faq-item p{font-size:15px;color:var(--muted);line-height:1.75}
    .pagination{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:26px}.page-btn{min-width:42px;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--primary);font-weight:800;display:inline-flex;align-items:center;justify-content:center}.page-btn:hover{border-color:rgba(216,154,58,.55);background:rgba(216,154,58,.11)}.page-btn.current{background:var(--primary);color:#fff;border-color:var(--primary)}
    .cta-band{padding:0 0 82px}.cta-inner{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;background:linear-gradient(135deg,rgba(18,58,54,.96),rgba(29,91,83,.92));color:#fff;border-radius:30px;padding:32px;box-shadow:0 18px 48px rgba(18,58,54,.18);position:relative;overflow:hidden}.cta-inner:after{content:"";position:absolute;right:-70px;bottom:-90px;width:240px;height:240px;border-radius:50%;background:rgba(240,183,90,.16)}.cta-inner h2{font-size:28px;line-height:1.3;margin-bottom:8px}.cta-inner p{color:rgba(255,255,255,.76);max-width:760px}.cta-inner .btn{position:relative;z-index:1}
    footer{background:#0E2E2B;color:rgba(255,255,255,.78);padding:54px 0 26px}.footer-inner{display:grid;gap:34px}.footer-top{display:grid;grid-template-columns:minmax(280px,1.3fr) .7fr .7fr;gap:42px;align-items:start}.footer-brand .brand-text strong{color:#fff}.footer-brand .brand-text span{color:rgba(255,255,255,.62)}.footer-brand p{margin-top:18px;max-width:520px;color:rgba(255,255,255,.68);font-size:15px;line-height:1.78}.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px}.footer-links{display:grid;gap:10px}.footer-links a{color:rgba(255,255,255,.68);font-size:14px}.footer-links a:hover{color:var(--accent-2);transform:translateX(2px)}.footer-note{border-top:1px solid var(--line-dark);padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:14px;color:rgba(255,255,255,.62)}.badge-line{display:flex;gap:10px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid var(--line-dark);border-radius:999px;background:rgba(255,255,255,.05);color:rgba(255,255,255,.72)}
    @media (max-width:1024px){.container{width:min(100% - 48px,var(--container))}.nav-wrap{height:auto;min-height:78px;flex-wrap:wrap;padding:14px 0}.primary{order:3;width:100%;justify-content:flex-start;overflow-x:auto}.layout{grid-template-columns:1fr}.side{position:static;grid-template-columns:repeat(2,1fr)}.hero-panel{grid-template-columns:1fr}.hero-card{max-width:620px}.guide-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.faq-wrap{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr 1fr}.feature-card{grid-template-columns:1fr}}
    @media (max-width:768px){.container{width:calc(100% - 32px)}.nav-actions{width:100%;justify-content:space-between}.nav-actions .btn{flex:1}.primary a{padding:9px 13px}.page-hero{padding:42px 0 30px}.page-hero:before{height:520px;border-bottom-left-radius:32px;border-bottom-right-radius:32px}.hero-copy{padding-top:12px}.hero-copy p{font-size:16px}.section{padding:58px 0}.section-head{display:block}.tag-row{margin-top:18px;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}.tag{white-space:nowrap}.feature-card{padding:22px}.article-card{grid-template-columns:1fr}.article-thumb{height:auto;aspect-ratio:16/9}.guide-grid,.steps,.side{grid-template-columns:1fr}.cta-inner{grid-template-columns:1fr;padding:26px}.footer-top{grid-template-columns:1fr}.footer-note{align-items:flex-start;flex-direction:column}.hero-actions .btn{flex:1;min-width:150px}}
    @media (max-width:520px){.brand-text strong{font-size:16px}.brand-mark{width:38px;height:38px}.nav-actions{gap:8px}.btn{padding:0 15px;font-size:14px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.image-badge{position:static;margin-top:12px}.hero-image{overflow:visible;background:transparent}.hero-image img{border-radius:18px}.feature-card h2{font-size:24px}.article-card h3{font-size:19px}.side-card,.article-card,.notice-card,.step-card,.faq-item{padding:18px}.section-title h2{font-size:25px}.cta-inner h2{font-size:24px}}