/* roulang page: index */
:root{
      --bg:#f6f1e5;
      --bg-soft:#edf4ea;
      --panel:rgba(255,250,241,.92);
      --panel-strong:#ffffff;
      --line:#d8d0bc;
      --line-strong:#beb395;
      --text:#16221c;
      --muted:#5a6760;
      --brand:#0f4b39;
      --brand-2:#1b7a54;
      --accent:#d59b2a;
      --accent-soft:#f0d7a0;
      --shadow:0 10px 30px rgba(14,45,33,.08);
      --shadow-strong:0 16px 38px rgba(14,45,33,.12);
      --radius:24px;
      --radius-sm:18px;
      --radius-xs:14px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        linear-gradient(180deg, rgba(255,255,255,.58), rgba(255,255,255,0)),
        linear-gradient(180deg, #f6f1e5 0%, #f3efe4 50%, #eef5ea 100%);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
      line-height:1.7;
      letter-spacing:0;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(15,75,57,.18);color:#10231b}
    .page-shell{
      position:relative;
      overflow:hidden;
    }
    .page-shell::before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
      background-size: 140px 140px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.12), rgba(0,0,0,0) 35%);
      opacity:.32;
    }
    .container{
      width:min(1180px, calc(100% - 2rem));
      margin:0 auto;
      position:relative;
      z-index:1;
    }
    .panel{
      background:var(--panel);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .panel-strong{
      background:var(--panel-strong);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .soft-line{
      border-color:var(--line);
    }
    .text-muted{color:var(--muted)}
    .brand-badge{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.38rem .8rem;
      border-radius:999px;
      border:1px solid rgba(15,75,57,.18);
      background:rgba(15,75,57,.06);
      color:var(--brand);
      font-size:.92rem;
      font-weight:600;
    }
    .brand-dot{
      width:.5rem;
      height:.5rem;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(213,155,42,.14);
    }
    .nav-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:2.8rem;
      padding:.75rem 1rem;
      border-radius:999px;
      border:1px solid transparent;
      color:#21312a;
      background:transparent;
      transition:transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
      font-weight:600;
      line-height:1;
      white-space:nowrap;
    }
    .nav-pill:hover{
      transform:translateY(-1px);
      border-color:rgba(15,75,57,.18);
      background:rgba(255,255,255,.72);
      box-shadow:0 8px 18px rgba(14,45,33,.06);
    }
    .nav-pill.active{
      background:var(--brand);
      color:#fff;
      box-shadow:0 10px 20px rgba(15,75,57,.2);
    }
    .btn-primary,
    .btn-secondary,
    .btn-gold{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      min-height:3.1rem;
      padding:.86rem 1.15rem;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
      line-height:1;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--brand);
      color:#fff;
      box-shadow:0 12px 22px rgba(15,75,57,.18);
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      background:#0b3d2e;
      box-shadow:0 16px 28px rgba(15,75,57,.24);
    }
    .btn-secondary{
      background:#f8f3e8;
      color:var(--brand);
      border-color:rgba(15,75,57,.16);
    }
    .btn-secondary:hover{
      transform:translateY(-1px);
      background:#fff;
      border-color:rgba(15,75,57,.28);
      box-shadow:0 10px 20px rgba(14,45,33,.08);
    }
    .btn-gold{
      background:var(--accent);
      color:#18221d;
      box-shadow:0 12px 22px rgba(213,155,42,.18);
    }
    .btn-gold:hover{
      transform:translateY(-1px);
      background:#c9911f;
      box-shadow:0 16px 28px rgba(213,155,42,.22);
    }
    .card{
      background:rgba(255,255,255,.7);
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:0 8px 24px rgba(14,45,33,.06);
      transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
    }
    .card:hover{
      transform:translateY(-2px);
      box-shadow:var(--shadow-strong);
      border-color:rgba(15,75,57,.24);
      background:rgba(255,255,255,.92);
    }
    .mini-chip{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.35rem .7rem;
      border-radius:999px;
      border:1px solid rgba(15,75,57,.14);
      background:rgba(15,75,57,.05);
      color:#244236;
      font-size:.88rem;
      font-weight:600;
      white-space:nowrap;
    }
    .metric{
      display:flex;
      flex-direction:column;
      gap:.1rem;
      min-width:0;
    }
    .metric strong{
      color:var(--brand);
      font-size:1.55rem;
      line-height:1.05;
      letter-spacing:0;
    }
    .metric span{
      color:var(--muted);
      font-size:.92rem;
    }
    .section-head{
      display:flex;
      flex-direction:column;
      gap:.6rem;
      margin-bottom:1.2rem;
    }
    .section-head h2{
      margin:0;
      font-size:clamp(1.6rem, 1.2rem + 1vw, 2.3rem);
      line-height:1.12;
      color:#10231b;
      letter-spacing:0;
    }
    .section-head p{
      margin:0;
      max-width:72ch;
      color:var(--muted);
      font-size:1rem;
    }
    .avatar{
      width:2.95rem;
      height:2.95rem;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      font-weight:700;
      border:2px solid rgba(255,255,255,.8);
      box-shadow:0 8px 16px rgba(14,45,33,.12);
      flex:none;
    }
    .bubble{
      position:absolute;
      padding:.55rem .8rem;
      border-radius:999px;
      background:rgba(255,255,255,.92);
      border:1px solid rgba(213,155,42,.22);
      color:#33443d;
      box-shadow:0 10px 20px rgba(14,45,33,.08);
      font-size:.9rem;
      font-weight:600;
      white-space:nowrap;
    }
    .icon-box{
      width:2.75rem;
      height:2.75rem;
      border-radius:16px;
      display:flex;
      align-items:center;
      justify-content:center;
      border:1px solid rgba(15,75,57,.14);
      background:rgba(15,75,57,.06);
      color:var(--brand);
      flex:none;
    }
    .faq-item{
      border:1px solid var(--line);
      background:rgba(255,255,255,.8);
      border-radius:20px;
      overflow:hidden;
      box-shadow:0 8px 18px rgba(14,45,33,.05);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1.1rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:700;
      color:#17231e;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .arrow{
      width:1.2rem;
      height:1.2rem;
      flex:none;
      color:var(--brand);
      transition:transform .18s ease;
    }
    .faq-item[open] summary .arrow{
      transform:rotate(180deg);
    }
    .faq-body{
      padding:0 1.1rem 1rem;
      color:var(--muted);
    }
    .field{
      display:flex;
      align-items:center;
      gap:.8rem;
      padding:.85rem 1rem;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.86);
      box-shadow:0 8px 18px rgba(14,45,33,.04);
    }
    .field input{
      width:100%;
      border:0;
      outline:none;
      background:transparent;
      color:var(--text);
      min-width:0;
    }
    .field input::placeholder{color:#829189}
    .footer-link{
      color:#dce7dc;
      transition:color .18s ease;
    }
    .footer-link:hover{color:#fff}
    .floating-cta{
      display:none;
    }
    @media (max-width: 767px){
      .floating-cta{
        display:flex;
      }
    }
    @media (max-width: 640px){
      .mobile-stack{grid-template-columns:1fr !important}
    }
    .court-line{
      position:absolute;
      inset:-10% -5%;
      pointer-events:none;
      background:
        linear-gradient(180deg, rgba(15,75,57,.06), rgba(15,75,57,0)),
        linear-gradient(90deg, transparent 49.6%, rgba(15,75,57,.07) 49.8%, rgba(15,75,57,.07) 50.2%, transparent 50.4%),
        radial-gradient(circle at 50% 50%, rgba(213,155,42,.08) 0 1px, transparent 1px);
      background-size:100% 100%, 100% 100%, 28px 28px;
      opacity:.55;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,0) 92%);
    }
    .count-block{
      min-width:0;
      border-radius:18px;
      border:1px solid rgba(15,75,57,.12);
      background:rgba(255,255,255,.82);
      padding:.95rem 1rem;
    }
    .count-block strong{
      display:block;
      color:var(--brand);
      font-size:1.3rem;
      line-height:1.05;
    }
    .count-block span{
      display:block;
      color:var(--muted);
      font-size:.88rem;
      margin-top:.2rem;
    }
    .share-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.45rem;
      padding:.65rem .9rem;
      border-radius:999px;
      border:1px solid rgba(15,75,57,.16);
      background:#fff;
      color:var(--brand);
      transition:transform .18s ease, background .18s ease, border-color .18s ease;
      font-weight:700;
      white-space:nowrap;
    }
    .share-btn:hover{
      transform:translateY(-1px);
      border-color:rgba(15,75,57,.28);
      background:#f7fbf7;
    }
    .nav-shell{
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }
    .scrollbar-hide::-webkit-scrollbar{display:none}
    .scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}
    .tag-list a{
      transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
    }
    .tag-list a:hover{
      transform:translateY(-1px);
      border-color:rgba(15,75,57,.24);
      background:#fff;
      color:var(--brand);
    }
    .focus-ring:focus-visible{
      outline:3px solid rgba(213,155,42,.42);
      outline-offset:2px;
    }

/* roulang page: category1 */
:root {
      --ink: #18221d;
      --muted: #687069;
      --green: #12372b;
      --green-2: #1f6b46;
      --grass: #e9f2df;
      --cream: #faf4e7;
      --sand: #efe3ca;
      --gold: #d59b2a;
      --amber: #f1b64b;
      --line: #d8d0bc;
      --white: #ffffff;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 16px 40px rgba(35, 45, 33, .10);
      --shadow-soft: 0 10px 24px rgba(35, 45, 33, .08);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(circle at 12% 10%, rgba(213, 155, 42, .16), transparent 26%),
        linear-gradient(180deg, #fbf5e8 0%, #f7f0df 46%, #eef4e6 100%);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
      letter-spacing: 0;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input {
      font: inherit;
    }

    .container {
      width: min(1180px, calc(100% - 32px));
      margin-inline: auto;
    }

    .focus-ring:focus-visible {
      outline: 3px solid rgba(213, 155, 42, .42);
      outline-offset: 3px;
      border-radius: 999px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(250, 244, 231, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(216, 208, 188, .78);
    }

    .nav-shell {
      min-height: 82px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand-icon {
      width: 46px;
      height: 46px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      background: var(--green);
      color: var(--gold);
      font-weight: 900;
      box-shadow: inset 0 0 0 2px rgba(255,255,255,.08);
    }

    .brand-title {
      display: block;
      font-size: 18px;
      font-weight: 900;
      line-height: 1.2;
      white-space: nowrap;
    }

    .brand-sub {
      display: block;
      color: var(--muted);
      font-size: 12px;
      margin-top: 2px;
      white-space: nowrap;
    }

    .nav-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid rgba(18, 55, 43, .12);
      background: rgba(255, 255, 255, .55);
      color: #334038;
      font-weight: 800;
      transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .nav-pill:hover,
    .nav-pill.active {
      transform: translateY(-1px);
      background: var(--green);
      color: #fff;
      border-color: var(--green);
      box-shadow: var(--shadow-soft);
    }

    .btn-gold,
    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 900;
      transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
      cursor: pointer;
    }

    .btn-gold {
      background: var(--gold);
      color: #18221d;
      box-shadow: 0 12px 26px rgba(213, 155, 42, .24);
    }

    .btn-primary {
      background: var(--green);
      color: #fff;
      box-shadow: 0 12px 26px rgba(18, 55, 43, .22);
    }

    .btn-secondary {
      background: rgba(255, 255, 255, .7);
      color: var(--green);
      border-color: rgba(18, 55, 43, .18);
    }

    .btn-gold:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 30px rgba(35, 45, 33, .14);
    }

    .btn-gold:hover {
      background: #e5aa36;
    }

    .btn-primary:hover {
      background: #174734;
    }

    .btn-secondary:hover {
      border-color: var(--green-2);
      color: var(--green-2);
      background: #fff;
    }

    .mobile-menu {
      display: none;
    }

    .menu-toggle {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.72);
      color: var(--green);
      font-weight: 900;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(18, 55, 43, .96), rgba(26, 74, 51, .94)),
        linear-gradient(90deg, transparent 0, rgba(255,255,255,.08) 50%, transparent 100%);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 24px;
      pointer-events: none;
    }

    .section {
      padding: 68px 0;
    }

    .section-tight {
      padding: 44px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(213, 155, 42, .16);
      color: #7a5718;
      border: 1px solid rgba(213, 155, 42, .24);
      font-size: 13px;
      font-weight: 900;
    }

    .card {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .74);
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(31, 107, 70, .35);
      box-shadow: var(--shadow);
      background: rgba(255, 255, 255, .92);
    }

    .mini-card {
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.08);
      border-radius: 20px;
      backdrop-filter: blur(10px);
    }

    .tag,
    .filter-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      border: 1px solid rgba(18, 55, 43, .12);
      background: rgba(255,255,255,.68);
      color: #4d584f;
      font-size: 13px;
      font-weight: 800;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
    }

    .filter-pill:hover,
    .filter-pill.active {
      background: var(--green);
      color: #fff;
      border-color: var(--green);
      transform: translateY(-1px);
    }

    .rank-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px;
      border-radius: 18px;
      background: rgba(255,255,255,.09);
      border: 1px solid rgba(255,255,255,.12);
    }

    .rank-num {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--gold);
      color: var(--ink);
      font-weight: 950;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 999px;
      border: 2px solid #fff;
      display: grid;
      place-items: center;
      font-weight: 900;
      color: var(--green);
      background: var(--sand);
      margin-left: -9px;
    }

    .avatar:first-child {
      margin-left: 0;
    }

    .bubble {
      border-radius: 20px 20px 20px 8px;
      background: #fff8e8;
      border: 1px solid rgba(213, 155, 42, .28);
      box-shadow: var(--shadow-soft);
    }

    .metric {
      border-radius: 20px;
      background: linear-gradient(180deg, #fff, #fbf4e6);
      border: 1px solid var(--line);
    }

    .progress {
      height: 9px;
      border-radius: 999px;
      background: rgba(18, 55, 43, .10);
      overflow: hidden;
    }

    .progress > span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--green-2), var(--gold));
    }

    .faq-item {
      border: 1px solid var(--line);
      border-radius: 20px;
      background: rgba(255,255,255,.72);
      overflow: hidden;
    }

    .faq-item summary {
      cursor: pointer;
      list-style: none;
      padding: 20px 22px;
      font-weight: 900;
      color: var(--ink);
      display: flex;
      justify-content: space-between;
      gap: 16px;
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary::after {
      content: "+";
      flex: 0 0 auto;
      width: 28px;
      height: 28px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(213, 155, 42, .18);
      color: var(--green);
      font-weight: 900;
    }

    .faq-item[open] summary::after {
      content: "−";
      background: var(--green);
      color: #fff;
    }

    .faq-body {
      padding: 0 22px 22px;
      color: var(--muted);
    }

    .cta-band {
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(213,155,42,.22), rgba(31,107,70,.14)),
        #fffaf0;
      border: 1px solid rgba(213,155,42,.25);
      box-shadow: var(--shadow-soft);
    }

    .footer-link {
      color: rgba(255,255,255,.88);
      transition: color .2s ease, transform .2s ease;
      width: fit-content;
    }

    .footer-link:hover {
      color: #f1b64b;
      transform: translateX(2px);
    }

    @media (max-width: 1024px) {
      .desktop-actions {
        display: none;
      }

      .mobile-menu {
        display: block;
      }

      .nav-shell {
        min-height: 74px;
      }

      .brand-title {
        font-size: 16px;
      }

      .brand-sub {
        display: none;
      }

      .mobile-panel {
        display: none;
        border-top: 1px solid var(--line);
        padding: 12px 0 16px;
      }

      .mobile-panel.open {
        display: grid;
        gap: 10px;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(100% - 24px, 1180px);
      }

      .section {
        padding: 48px 0;
      }

      .section-tight {
        padding: 34px 0;
      }

      .hero-panel {
        border-radius: 24px;
      }

      .hero-panel::before {
        inset: 10px;
        border-radius: 19px;
      }

      .btn-gold,
      .btn-primary,
      .btn-secondary {
        width: 100%;
        min-height: 48px;
      }

      .bottom-cta {
        position: fixed;
        left: 12px;
        right: 12px;
        bottom: 12px;
        z-index: 60;
        display: flex;
        gap: 8px;
        padding: 8px;
        border-radius: 999px;
        background: rgba(18,55,43,.94);
        box-shadow: 0 16px 34px rgba(18,55,43,.24);
      }

      .bottom-cta a {
        flex: 1;
        min-height: 42px;
        padding: 0 12px;
        font-size: 14px;
      }

      body {
        padding-bottom: 76px;
      }
    }

    @media (min-width: 769px) {
      .bottom-cta {
        display: none;
      }
    }