/* roulang page: index */
:root{
      --bg:#fdf7f2;
      --panel:rgba(255,255,255,.76);
      --panel-solid:#fffdfa;
      --ink:#291c1d;
      --muted:#7f686b;
      --line:#ead9d4;
      --primary:#ff6f61;
      --primary-2:#ff9a7c;
      --accent:#7f4a72;
      --shadow:0 18px 50px rgba(92,54,49,.10);
      --shadow-strong:0 20px 40px rgba(255,111,97,.16);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at top left, rgba(255,218,207,.8), transparent 30%),
        radial-gradient(circle at 92% 6%, rgba(255,197,218,.6), transparent 24%),
        linear-gradient(180deg, #fffaf7 0%, #fdf7f2 38%, #f8f0eb 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:radial-gradient(rgba(255,255,255,.52) 1px, transparent 1px);
      background-size:24px 24px;
      opacity:.25;
      mix-blend-mode:soft-light;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:#ffd0c0;color:#221718}
    .scrollbar-hide::-webkit-scrollbar{display:none}
    .scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}
    .panel{
      background:var(--panel);
      border:1px solid rgba(234,217,212,.88);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.5rem;
      border-radius:999px;
      border:1px solid rgba(234,217,212,.95);
      padding:.58rem .95rem;
      background:rgba(255,255,255,.78);
      color:#5f4a4d;
      transition:all .22s ease;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:#ffc6b8;
      color:#342224;
      box-shadow:0 10px 24px rgba(255,111,97,.08);
    }
    .chip.active{
      color:#fff;
      background:linear-gradient(135deg, var(--primary) 0%, #ff8e74 100%);
      border-color:transparent;
      box-shadow:var(--shadow-strong);
    }
    .btn-primary, .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      border-radius:999px;
      padding:.9rem 1.25rem;
      transition:all .22s ease;
      font-weight:700;
      border:1px solid transparent;
      cursor:pointer;
      user-select:none;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg, var(--primary) 0%, #ff8d70 100%);
      box-shadow:var(--shadow-strong);
    }
    .btn-primary:hover{transform:translateY(-1px);filter:saturate(1.04) brightness(1.03)}
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{
      color:#432b2f;
      background:rgba(255,255,255,.78);
      border-color:rgba(234,217,212,.95);
    }
    .btn-secondary:hover{
      transform:translateY(-1px);
      border-color:#ffbea9;
      box-shadow:0 10px 24px rgba(92,54,49,.08);
    }
    .section-title{
      font-size:clamp(1.55rem, 2.4vw, 2.35rem);
      line-height:1.15;
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-copy{
      color:var(--muted);
      font-size:1rem;
      max-width:68ch;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.35rem .7rem;
      border-radius:999px;
      background:rgba(255,111,97,.1);
      color:#b7453e;
      font-size:.86rem;
      font-weight:700;
      letter-spacing:.02em;
    }
    .card-soft{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(234,217,212,.88);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card-soft:hover{
      transform:translateY(-2px);
      border-color:#ffc8bb;
      box-shadow:0 20px 36px rgba(92,54,49,.12);
    }
    .line-dot{
      width:.7rem;
      height:.7rem;
      border-radius:999px;
      background:linear-gradient(135deg, var(--primary) 0%, #ffb08e 100%);
      box-shadow:0 0 0 6px rgba(255,111,97,.12);
      flex:0 0 auto;
    }
    .faq-panel{
      max-height:0;
      overflow:hidden;
      transition:max-height .36s ease, padding .36s ease;
    }
    .faq-item.open .faq-panel{
      max-height:260px;
      padding-bottom:1rem;
    }
    .faq-icon{
      transition:transform .28s ease;
    }
    .faq-item.open .faq-icon{
      transform:rotate(45deg);
    }
    .top-anchor{
      position:absolute;
      top:-96px;
      left:0;
    }
    .subtle-grid{
      background-image:
        linear-gradient(to right, rgba(234,217,212,.30) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(234,217,212,.30) 1px, transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 95%);
    }
    .mini-bar{
      height:.55rem;
      border-radius:999px;
      background:linear-gradient(90deg, rgba(255,111,97,.18), rgba(255,111,97,.78));
    }
    .mini-bar.soft{
      background:linear-gradient(90deg, rgba(127,74,114,.12), rgba(127,74,114,.72));
    }
    .floating-top{
      box-shadow:0 12px 28px rgba(41,28,29,.12);
      backdrop-filter:blur(12px);
    }
    @media (max-width: 768px){
      .section-copy{font-size:.98rem}
    }
    @media (max-width: 520px){
      .chip{padding:.5rem .8rem;font-size:.92rem}
      .btn-primary,.btn-secondary{padding:.84rem 1rem}
    }

/* roulang page: category1 */
:root{
      --peach:#ff6d4b;
      --peach-deep:#ef5339;
      --ink:#2d1f22;
      --muted:#7f656a;
      --line:#eadbd4;
      --cream:#fffaf7;
      --card:#fffdfb;
      --shadow:0 12px 28px rgba(83,48,55,.08);
      --radius:18px;
    }
    html { scroll-behavior:smooth; }
    body{
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background:
        linear-gradient(180deg, rgba(255, 247, 242, .86), rgba(255, 252, 249, .92)),
        radial-gradient(circle at top, rgba(255, 191, 160, .18), transparent 35%),
        #fffaf7;
      min-height:100vh;
    }
    .scrollbar-hide::-webkit-scrollbar{ display:none; }
    .scrollbar-hide{ -ms-overflow-style:none; scrollbar-width:none; }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      border:1px solid rgba(234,219,212,.95);
      background:rgba(255,255,255,.78);
      color:#5f4a4d;
      border-radius:999px;
      padding:.6rem .95rem;
      font-size:.93rem;
      line-height:1;
      transition:all .2s ease;
      box-shadow:0 1px 0 rgba(255,255,255,.8) inset;
    }
    .chip:hover{
      transform:translateY(-1px);
      border-color:rgba(255,109,75,.35);
      background:#fff;
      color:var(--ink);
      box-shadow:var(--shadow);
    }
    .chip.active{
      background:linear-gradient(135deg, #ff8e63 0%, #ff6d4b 100%);
      border-color:transparent;
      color:#fff;
      box-shadow:0 14px 24px rgba(255,109,75,.18);
    }
    .btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      border-radius:999px;
      background:linear-gradient(135deg, #ff8e63 0%, #ff6d4b 100%);
      color:#fff;
      padding:.88rem 1.2rem;
      font-weight:800;
      letter-spacing:.01em;
      box-shadow:0 14px 24px rgba(255,109,75,.18);
      transition:all .2s ease;
    }
    .btn-primary:hover{
      transform:translateY(-1px);
      filter:brightness(1.03);
      box-shadow:0 18px 32px rgba(255,109,75,.22);
    }
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.5rem;
      border-radius:999px;
      border:1px solid rgba(234,219,212,.95);
      background:rgba(255,255,255,.84);
      color:var(--ink);
      padding:.88rem 1.2rem;
      font-weight:700;
      transition:all .2s ease;
    }
    .btn-secondary:hover{
      transform:translateY(-1px);
      border-color:rgba(255,109,75,.38);
      box-shadow:var(--shadow);
      color:#b6402c;
    }
    .card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,219,212,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      backdrop-filter:blur(10px);
    }
    .card-quiet{
      background:rgba(255,255,255,.7);
      border:1px solid rgba(234,219,212,.88);
      border-radius:16px;
      transition:all .2s ease;
    }
    .card-quiet:hover{
      transform:translateY(-2px);
      border-color:rgba(255,109,75,.28);
      box-shadow:var(--shadow);
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:.38rem;
      padding:.34rem .62rem;
      border-radius:999px;
      font-size:.74rem;
      font-weight:800;
      letter-spacing:.02em;
    }
    .badge-hot{ background:rgba(255,109,75,.12); color:#d44b32; }
    .badge-soft{ background:rgba(125,63,73,.08); color:#7d3f49; }
    .badge-line{ background:rgba(255,255,255,.75); color:#6f575a; border:1px solid rgba(234,219,212,.88); }
    .section-title{
      font-size:clamp(1.28rem, 1.05rem + .8vw, 1.9rem);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      padding:.38rem .75rem;
      border-radius:999px;
      font-size:.75rem;
      font-weight:800;
      letter-spacing:.16em;
      text-transform:uppercase;
      color:#a0575a;
      background:rgba(255,255,255,.8);
      border:1px solid rgba(234,219,212,.9);
    }
    .thin-divider{ border-color: rgba(234,219,212,.9); }
    .hero-banner{
      background:
        linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,243,237,.82)),
        radial-gradient(circle at 85% 20%, rgba(255,181,143,.28), transparent 28%),
        radial-gradient(circle at 10% 80%, rgba(227,137,158,.16), transparent 34%);
      border:1px solid rgba(234,219,212,.95);
      box-shadow:var(--shadow);
    }
    .tag-cloud a{
      display:inline-flex;
      align-items:center;
      gap:.38rem;
      border:1px solid rgba(234,219,212,.9);
      color:#6b5357;
      background:rgba(255,255,255,.82);
      border-radius:999px;
      padding:.55rem .8rem;
      font-size:.88rem;
      transition:.2s ease;
    }
    .tag-cloud a:hover{
      background:#fff;
      color:#b43f31;
      border-color:rgba(255,109,75,.25);
      transform:translateY(-1px);
    }
    .timeline{
      position:relative;
    }
    .timeline::before{
      content:"";
      position:absolute;
      left:14px;
      top:0;
      bottom:0;
      width:2px;
      background:linear-gradient(180deg, rgba(255,109,75,.45), rgba(234,219,212,.2));
    }
    .timeline-item{
      position:relative;
      padding-left:3.1rem;
    }
    .timeline-dot{
      position:absolute;
      left:6px;
      top:.38rem;
      width:18px;
      height:18px;
      border-radius:999px;
      background:linear-gradient(135deg, #ff8e63, #ff6d4b);
      border:3px solid #fff8f4;
      box-shadow:0 0 0 1px rgba(255,109,75,.18);
    }
    details summary::-webkit-details-marker{ display:none; }
    details[open] .faq-arrow{ transform:rotate(180deg); }
    .post-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,219,212,.95);
      border-radius:18px;
      box-shadow:0 8px 22px rgba(83,48,55,.06);
      transition:all .22s ease;
    }
    .post-card:hover{
      transform:translateY(-2px);
      border-color:rgba(255,109,75,.28);
      box-shadow:0 16px 30px rgba(83,48,55,.1);
    }
    .post-thumb{
      background:
        linear-gradient(135deg, rgba(255,109,75,.92), rgba(255,181,143,.72)),
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.22), transparent 40%);
    }
    .mini-thumb{
      background:
        linear-gradient(135deg, rgba(255,109,75,.82), rgba(125,63,73,.72)),
        radial-gradient(circle at 70% 25%, rgba(255,255,255,.18), transparent 35%);
    }
    .focus-ring:focus{
      outline:none;
      box-shadow:0 0 0 3px rgba(255,109,75,.18);
      border-color:rgba(255,109,75,.45);
    }
    @media (max-width: 768px){
      .timeline::before{ left:10px; }
      .timeline-item{ padding-left:2.6rem; }
      .timeline-dot{ left:2px; }
    }

/* roulang page: category2 */
:root {
      --bg: #fff7f1;
      --panel: rgba(255, 252, 249, .86);
      --panel-solid: #fffdfa;
      --text: #28191b;
      --muted: #6e585b;
      --soft: #8a7275;
      --line: #ead9d2;
      --peach: #f45f4f;
      --peach-dark: #df443e;
      --berry: #8f3156;
      --wine: #6b2339;
      --radius: 18px;
      --radius-sm: 14px;
      --shadow: 0 14px 38px rgba(80,45,38,.08);
      --shadow-hover: 0 18px 44px rgba(80,45,38,.13);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
      line-height: 1.7;
      background:
        radial-gradient(circle at 10% 0%, rgba(255, 189, 167, .34), transparent 32rem),
        radial-gradient(circle at 90% 10%, rgba(143, 49, 86, .12), transparent 28rem),
        linear-gradient(180deg, #fff6f0 0%, #fffaf6 45%, #fff7f1 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .28;
      background-image: linear-gradient(rgba(107,35,57,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(107,35,57,.035) 1px, transparent 1px);
      background-size: 28px 28px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
    }

    a { color: inherit; text-decoration: none; }
    img, svg { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    ::selection { background: rgba(244,95,79,.22); }
    :focus-visible { outline: 3px solid rgba(244,95,79,.38); outline-offset: 3px; }

    .scrollbar-hide { scrollbar-width: none; }
    .scrollbar-hide::-webkit-scrollbar { display: none; }

    .chip {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 2.35rem;
      padding: .52rem .95rem;
      border: 1px solid rgba(234,217,210,.9);
      border-radius: 999px;
      background: rgba(255,255,255,.62);
      color: #6e585b;
      font-size: .92rem;
      font-weight: 800;
      transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .chip:hover {
      transform: translateY(-1px);
      border-color: rgba(244,95,79,.42);
      background: #fff;
      color: var(--peach-dark);
      box-shadow: 0 10px 22px rgba(80,45,38,.07);
    }
    .chip.active {
      border-color: rgba(244,95,79,.7);
      background: linear-gradient(135deg, #f45f4f, #ff9a7b);
      color: #fff;
      box-shadow: 0 12px 26px rgba(244,95,79,.22);
    }

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .45rem;
      border-radius: 999px;
      min-height: 2.8rem;
      padding: .72rem 1.18rem;
      font-weight: 900;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space: nowrap;
    }
    .btn-primary {
      border: 1px solid rgba(244,95,79,.78);
      background: linear-gradient(135deg, #f45f4f, #ff8c6e);
      color: #fff;
      box-shadow: var(--shadow);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      background: linear-gradient(135deg, #df443e, #ff765b);
      box-shadow: var(--shadow-hover);
    }
    .btn-secondary {
      border: 1px solid rgba(234,217,210,.95);
      background: rgba(255,255,255,.76);
      color: #5b3b40;
    }
    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(244,95,79,.45);
      color: var(--peach-dark);
      background: #fff;
      box-shadow: 0 12px 28px rgba(80,45,38,.08);
    }

    .section { padding: 4.7rem 0; }
    .section-tight { padding: 3.3rem 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .42rem;
      border: 1px solid rgba(244,95,79,.22);
      border-radius: 999px;
      background: rgba(255,255,255,.66);
      color: var(--berry);
      padding: .38rem .72rem;
      font-size: .78rem;
      font-weight: 900;
    }
    .panel {
      border: 1px solid rgba(234,217,210,.86);
      border-radius: var(--radius);
      background: var(--panel);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }
    .card {
      position: relative;
      border: 1px solid rgba(234,217,210,.9);
      border-radius: var(--radius);
      background: rgba(255,253,250,.9);
      box-shadow: 0 10px 28px rgba(80,45,38,.06);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
      overflow: hidden;
    }
    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(244,95,79,.42);
      box-shadow: var(--shadow-hover);
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      border-radius: 999px;
      padding: .26rem .58rem;
      font-size: .74rem;
      font-weight: 900;
      color: #7a3848;
      background: #fff0ea;
      border: 1px solid rgba(244,95,79,.18);
    }
    .badge-hot {
      color: #fff;
      border-color: rgba(107,35,57,.22);
      background: linear-gradient(135deg, #8f3156, #f45f4f);
    }
    .cover-block {
      min-height: 8.5rem;
      background:
        linear-gradient(135deg, rgba(244,95,79,.88), rgba(143,49,86,.84)),
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.45), transparent 11rem);
    }
    .cover-block::after {
      content: "";
      position: absolute;
      inset: auto 1rem 1rem auto;
      width: 4.5rem;
      height: 4.5rem;
      border: 1px solid rgba(255,255,255,.34);
      border-radius: 1.2rem;
      background: rgba(255,255,255,.12);
      transform: rotate(8deg);
    }

    .filter-chip {
      display: inline-flex;
      min-height: 2.15rem;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      border: 1px solid rgba(234,217,210,.95);
      background: rgba(255,255,255,.68);
      padding: .42rem .8rem;
      color: #6e585b;
      font-size: .86rem;
      font-weight: 850;
      transition: all .2s ease;
    }
    .filter-chip:hover,
    .filter-chip.active {
      border-color: rgba(244,95,79,.52);
      background: #fff0ea;
      color: var(--peach-dark);
    }

    .timeline-line {
      position: absolute;
      left: 1.15rem;
      top: 2.25rem;
      bottom: 1.5rem;
      width: 2px;
      background: linear-gradient(to bottom, rgba(244,95,79,.65), rgba(234,217,210,.2));
    }
    .faq-item {
      border: 1px solid rgba(234,217,210,.9);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.72);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.05rem 1.1rem;
      color: var(--text);
      font-weight: 900;
      text-align: left;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 1.1rem;
      color: var(--muted);
      transition: max-height .25s ease, padding .25s ease;
    }
    .faq-item.open .faq-answer {
      max-height: 12rem;
      padding: 0 1.1rem 1.1rem;
    }
    .faq-icon { transition: transform .2s ease; }
    .faq-item.open .faq-icon { transform: rotate(45deg); }

    .notice-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 1rem;
      align-items: center;
      border-bottom: 1px solid rgba(234,217,210,.72);
      padding: 1rem 0;
    }
    .notice-row:last-child { border-bottom: 0; }

    @media (max-width: 1024px) {
      .section { padding: 4rem 0; }
      .cover-block { min-height: 7.4rem; }
    }

    @media (max-width: 768px) {
      header .mx-auto { align-items: flex-start; flex-wrap: wrap; }
      header nav { order: 3; width: 100%; justify-content: flex-start; padding-bottom: .12rem; }
      .section { padding: 3.3rem 0; }
      .section-tight { padding: 2.7rem 0; }
      .notice-row { grid-template-columns: 1fr; gap: .45rem; }
    }

    @media (max-width: 520px) {
      .chip { padding: .46rem .78rem; font-size: .86rem; }
      .btn-primary, .btn-secondary { width: 100%; white-space: normal; }
      .panel, .card { border-radius: 16px; }
      .cover-block { min-height: 6.7rem; }
      h1 { word-break: break-word; }
    }