/* roulang page: index */
:root {
      --color-primary: #16A34A;
      --color-primary-strong: #15803D;
      --color-primary-soft: #ECFDF5;
      --color-primary-line: #D1FAE5;
      --color-ink: #111827;
      --color-muted: #6B7280;
      --color-subtle: #F7FAF8;
      --color-panel: #F3F7F4;
      --color-border: #E5E7EB;
      --color-warning: #F59E0B;
      --color-deep: #064E3B;
      --radius-sm: 10px;
      --radius-md: 14px;
      --radius-lg: 18px;
      --shadow-soft: 0 8px 24px rgba(17, 24, 39, .06);
      --shadow-hover: 0 14px 34px rgba(17, 24, 39, .10);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--color-ink);
      background: #fff;
      line-height: 1.75;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select { font: inherit; }
    :focus-visible {
      outline: 3px solid rgba(34, 197, 94, .35);
      outline-offset: 3px;
    }

    .site-container {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255,255,255,.98);
      border-bottom: 1px solid var(--color-border);
      box-shadow: 0 2px 16px rgba(17, 24, 39, .04);
    }
    .nav-wrap {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--color-deep);
      white-space: nowrap;
    }
    .brand-icon {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, #DCFCE7, #F0FDF4);
      border: 1px solid var(--color-primary-line);
      color: var(--color-primary);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.7);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #374151;
      font-size: 15px;
      font-weight: 650;
    }
    .nav-links a {
      padding: 9px 13px;
      border-radius: 999px;
      transition: .2s ease;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--color-primary-strong);
      background: var(--color-primary-soft);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .search-box {
      width: 236px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      background: #fff;
      color: var(--color-muted);
      transition: .2s ease;
    }
    .search-box:focus-within {
      border-color: #22C55E;
      box-shadow: 0 0 0 4px rgba(34, 197, 94, .12);
    }
    .search-box input {
      width: 100%;
      border: 0;
      outline: 0;
      color: var(--color-ink);
      background: transparent;
      font-size: 14px;
    }
    .btn {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 12px;
      padding: 10px 17px;
      font-weight: 750;
      transition: .2s ease;
      border: 1px solid transparent;
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--color-primary);
      color: #fff;
      box-shadow: 0 8px 20px rgba(22, 163, 74, .22);
    }
    .btn-primary:hover {
      background: var(--color-primary-strong);
      transform: translateY(-1px);
      box-shadow: 0 12px 26px rgba(22, 163, 74, .28);
    }
    .btn-primary:active { transform: translateY(0); }
    .btn-secondary {
      background: #fff;
      color: var(--color-primary-strong);
      border-color: #BBF7D0;
    }
    .btn-secondary:hover {
      background: var(--color-primary-soft);
      border-color: #22C55E;
      transform: translateY(-1px);
    }
    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      border: 1px solid var(--color-border);
      background: #fff;
      color: var(--color-deep);
    }

    .section {
      padding: 72px 0;
    }
    .section-soft {
      background: var(--color-subtle);
      border-top: 1px solid #EDF2EE;
      border-bottom: 1px solid #EDF2EE;
    }
    .section-title {
      max-width: 760px;
      margin-bottom: 30px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 11px;
      border-radius: 999px;
      background: var(--color-primary-soft);
      color: var(--color-primary-strong);
      border: 1px solid var(--color-primary-line);
      font-size: 13px;
      font-weight: 800;
    }
    h1, h2, h3 { line-height: 1.22; letter-spacing: 0; }
    h1 {
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 900;
      color: var(--color-ink);
      margin: 18px 0 18px;
    }
    h2 {
      font-size: clamp(28px, 3.4vw, 36px);
      font-weight: 850;
      color: var(--color-ink);
      margin: 12px 0 14px;
    }
    h3 {
      font-size: 20px;
      font-weight: 820;
      margin: 0 0 8px;
      color: var(--color-ink);
    }
    .lead {
      font-size: 17px;
      color: #4B5563;
      max-width: 820px;
    }

    .hero {
      padding: 42px 0 38px;
      background:
        linear-gradient(180deg, #FFFFFF 0%, #F7FAF8 100%);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 26px;
      align-items: start;
    }
    .hero-head {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) 360px;
      gap: 28px;
      align-items: end;
    }
    .hero-copy p {
      max-width: 830px;
      font-size: 18px;
      color: #4B5563;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }
    .data-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 24px;
    }
    .data-pill {
      padding: 13px 14px;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: #fff;
      box-shadow: var(--shadow-soft);
    }
    .data-pill strong {
      display: block;
      color: var(--color-deep);
      font-size: 20px;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }
    .data-pill span {
      color: var(--color-muted);
      font-size: 13px;
    }
    .recommend-card {
      border: 2px solid #22C55E;
      border-radius: 18px;
      background: #fff;
      box-shadow: 0 18px 42px rgba(22, 163, 74, .14);
      padding: 18px;
      position: relative;
    }
    .recommend-card:before {
      content: "推荐入口";
      position: absolute;
      right: 16px;
      top: -13px;
      background: #16A34A;
      color: #fff;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
      padding: 4px 10px;
    }
    .recommend-card ul {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
      font-size: 14px;
      color: #374151;
    }
    .recommend-card li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }
    .stage {
      border: 1px solid var(--color-border);
      background: #fff;
      border-radius: 18px;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .stage-top {
      height: 46px;
      background: #F3F7F4;
      border-bottom: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 16px;
    }
    .dot-group { display: flex; gap: 7px; }
    .dot { width: 10px; height: 10px; border-radius: 999px; background: #D1D5DB; }
    .dot:nth-child(2) { background: #86EFAC; }
    .dot:nth-child(3) { background: #22C55E; }
    .stage-body {
      padding: 18px;
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 16px;
      align-items: stretch;
    }
    .cover-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
    }
    .abstract-tile {
      aspect-ratio: 1 / .72;
      border-radius: 12px;
      border: 1px solid #D1FAE5;
      background:
        linear-gradient(135deg, #ECFDF5, #FFFFFF 46%, #D1FAE5);
      position: relative;
      overflow: hidden;
    }
    .abstract-tile:after {
      content: "18+";
      position: absolute;
      left: 8px;
      bottom: 7px;
      font-size: 11px;
      font-weight: 850;
      color: #92400E;
      background: #FEF3C7;
      border: 1px solid #FDE68A;
      border-radius: 999px;
      padding: 2px 7px;
    }
    .status-panel {
      display: grid;
      gap: 10px;
    }
    .status-card {
      min-height: 58px;
      border: 1px solid var(--color-primary-line);
      border-radius: 12px;
      background: #fff;
      padding: 11px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
    }
    .check {
      width: 22px;
      height: 22px;
      border-radius: 999px;
      background: var(--color-primary);
      color: #fff;
      display: inline-grid;
      place-items: center;
      font-size: 13px;
      flex: 0 0 auto;
    }
    .stage-strip {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      padding: 0 18px 18px;
    }
    .strip-item {
      border: 1px solid var(--color-border);
      border-radius: 12px;
      padding: 12px;
      background: #FAFAFA;
      font-size: 13px;
      color: #4B5563;
    }
    .strip-item strong {
      display: block;
      color: var(--color-deep);
      font-size: 15px;
    }

    .countdown-wrap {
      display: grid;
      grid-template-columns: 390px 1fr;
      gap: 28px;
      align-items: center;
    }
    .countdown-card {
      border: 1px solid var(--color-primary-line);
      border-radius: 18px;
      background: #fff;
      padding: 20px;
      box-shadow: var(--shadow-soft);
    }
    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-top: 14px;
    }
    .time-box {
      text-align: center;
      border: 1px solid #BBF7D0;
      background: #fff;
      border-radius: 12px;
      padding: 14px 8px;
      box-shadow: 0 6px 18px rgba(17,24,39,.04);
    }
    .time-box strong {
      display: block;
      color: var(--color-deep);
      font-size: 30px;
      line-height: 1;
      font-variant-numeric: tabular-nums;
    }
    .time-box span {
      color: var(--color-muted);
      font-size: 13px;
      margin-top: 7px;
      display: block;
    }
    .status-line {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin-top: 20px;
    }
    .status-line span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 7px;
      min-height: 38px;
      border-radius: 999px;
      background: var(--color-primary-soft);
      color: var(--color-primary-strong);
      border: 1px solid var(--color-primary-line);
      font-size: 13px;
      font-weight: 760;
      padding: 8px 10px;
    }

    .news-layout,
    .entry-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 26px;
      align-items: start;
    }
    .timeline {
      display: grid;
      gap: 14px;
    }
    .article-card {
      display: grid;
      grid-template-columns: 58px 1fr auto;
      gap: 15px;
      align-items: center;
      padding: 18px;
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: #fff;
      transition: .2s ease;
    }
    .article-card:hover {
      border-color: #22C55E;
      box-shadow: var(--shadow-hover);
      transform: translateY(-1px);
    }
    .icon-block {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, #ECFDF5, #F7FAF8);
      border: 1px solid var(--color-primary-line);
      color: var(--color-primary-strong);
      font-size: 22px;
      font-weight: 900;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      padding: 4px 9px;
      background: var(--color-primary-soft);
      color: var(--color-primary-strong);
      border: 1px solid var(--color-primary-line);
      font-size: 12px;
      font-weight: 780;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 5px 10px;
      color: var(--color-primary-strong);
      background: var(--color-primary-soft);
      border: 1px solid var(--color-primary-line);
      font-size: 12px;
      font-weight: 820;
      white-space: nowrap;
    }
    .muted { color: var(--color-muted); }
    .small { font-size: 13px; }
    .side-panel {
      position: sticky;
      top: 96px;
      border: 1px solid var(--color-border);
      border-radius: 18px;
      background: #fff;
      padding: 18px;
      box-shadow: var(--shadow-soft);
    }
    .matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 9px;
      margin-top: 14px;
    }
    .matrix a {
      min-height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      background: #fff;
      color: #374151;
      font-size: 13px;
      font-weight: 760;
      transition: .2s ease;
      text-align: center;
    }
    .matrix a:hover {
      border-color: #22C55E;
      background: var(--color-primary-soft);
      color: var(--color-primary-strong);
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .feature-card {
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: #fff;
      padding: 20px;
      box-shadow: var(--shadow-soft);
      transition: .2s ease;
    }
    .feature-card:hover {
      transform: translateY(-2px);
      border-color: #22C55E;
      box-shadow: var(--shadow-hover);
    }
    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: var(--color-primary-strong);
      background: var(--color-primary-soft);
      border: 1px solid var(--color-primary-line);
      margin-bottom: 14px;
      font-weight: 900;
    }

    .subscribe-band {
      background: #ECFDF5;
      border-top: 1px solid #D1FAE5;
      border-bottom: 1px solid #D1FAE5;
    }
    .subscribe-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 34px;
      align-items: center;
    }
    .form-panel {
      border: 1px solid #BBF7D0;
      border-radius: 18px;
      background: #fff;
      padding: 22px;
      box-shadow: var(--shadow-soft);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 180px;
      gap: 12px;
    }
    .field,
    .select-field {
      width: 100%;
      height: 48px;
      border: 1px solid var(--color-border);
      border-radius: 12px;
      background: #fff;
      padding: 0 13px;
      color: var(--color-ink);
      transition: .2s ease;
    }
    .field:focus,
    .select-field:focus {
      outline: 0;
      border-color: #22C55E;
      box-shadow: 0 0 0 4px rgba(34,197,94,.12);
    }
    .checkbox-row {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      margin: 14px 0;
      color: #4B5563;
      font-size: 13px;
    }
    .checkbox-row input {
      width: 18px;
      height: 18px;
      margin-top: 4px;
      accent-color: var(--color-primary);
    }
    .success-note {
      margin-top: 12px;
      color: var(--color-primary-strong);
      background: var(--color-primary-soft);
      border: 1px solid var(--color-primary-line);
      border-radius: 12px;
      padding: 10px 12px;
      font-size: 13px;
      display: none;
    }

    .entry-list {
      display: grid;
      gap: 12px;
    }
    .entry-item {
      display: grid;
      grid-template-columns: 46px 1fr auto;
      gap: 13px;
      align-items: center;
      border: 1px solid var(--color-border);
      border-radius: 14px;
      background: #fff;
      padding: 14px;
      transition: .2s ease;
    }
    .entry-item:hover {
      border-color: #22C55E;
      box-shadow: var(--shadow-soft);
    }
    .mini-cover {
      width: 46px;
      height: 46px;
      border-radius: 12px;
      background: linear-gradient(135deg, #F3F7F4, #DCFCE7);
      border: 1px solid var(--color-primary-line);
      display: grid;
      place-items: center;
      color: var(--color-primary-strong);
      font-weight: 900;
    }
    .milestone {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }
    .mile-card {
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: #fff;
      padding: 18px;
      position: relative;
    }
    .mile-card:before {
      content: "";
      width: 12px;
      height: 12px;
      border-radius: 999px;
      background: var(--color-primary);
      box-shadow: 0 0 0 5px #DCFCE7;
      display: block;
      margin-bottom: 14px;
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 900px;
    }
    details {
      border: 1px solid var(--color-border);
      border-radius: 16px;
      background: #fff;
      padding: 0;
      overflow: hidden;
      transition: .2s ease;
    }
    details[open] {
      border-color: #22C55E;
      box-shadow: var(--shadow-soft);
    }
    summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 820;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 20px;
    }
    summary::-webkit-details-marker { display: none; }
    summary:after {
      content: "+";
      color: var(--color-primary-strong);
      font-weight: 900;
      font-size: 22px;
      line-height: 1;
    }
    details[open] summary:after { content: "−"; }
    details p {
      margin: 0;
      padding: 0 20px 20px;
      color: #4B5563;
      font-size: 15px;
    }

    .about-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: stretch;
    }
    .notice-box {
      border: 1px solid #FDE68A;
      border-radius: 16px;
      background: #FFFBEB;
      padding: 20px;
      color: #78350F;
    }
    .privacy-box {
      border: 1px solid var(--color-primary-line);
      border-radius: 16px;
      background: #fff;
      padding: 20px;
      box-shadow: var(--shadow-soft);
    }
    .cta-strip {
      border-radius: 20px;
      background: linear-gradient(135deg, #064E3B, #15803D);
      color: #fff;
      padding: 30px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
    }
    .cta-strip p { color: rgba(255,255,255,.82); }
    .site-footer {
      background: #F7FAF8;
      border-top: 1px solid var(--color-border);
      padding: 42px 0 28px;
      color: #374151;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 28px;
    }
    .footer-links {
      display: grid;
      gap: 8px;
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--color-primary-strong);
      text-decoration: underline;
      text-underline-offset: 4px;
    }
    .copyright {
      margin-top: 28px;
      padding-top: 20px;
      border-top: 1px solid var(--color-border);
      font-size: 13px;
      color: var(--color-muted);
    }

    @media (max-width: 1024px) {
      .hero-head,
      .countdown-wrap,
      .news-layout,
      .entry-layout,
      .subscribe-layout,
      .about-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .recommend-card,
      .side-panel {
        position: static;
      }
      .stage-body {
        grid-template-columns: 1fr;
      }
      .stage-strip,
      .status-line,
      .milestone {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links,
      .nav-actions {
        display: none;
      }
      .menu-btn {
        display: inline-grid;
        place-items: center;
      }
      .mobile-panel {
        display: none;
        border-top: 1px solid var(--color-border);
        padding: 12px 0 18px;
      }
      .mobile-panel.open {
        display: grid;
        gap: 12px;
      }
      .mobile-panel .nav-links,
      .mobile-panel .nav-actions {
        display: grid;
        width: 100%;
      }
      .mobile-panel .nav-links {
        gap: 8px;
      }
      .mobile-panel .nav-actions {
        gap: 10px;
      }
      .mobile-panel .search-box {
        width: 100%;
      }
    }
    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, 1180px);
      }
      .section {
        padding: 54px 0;
      }
      .hero {
        padding-top: 26px;
      }
      .data-row,
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .article-card,
      .entry-item {
        grid-template-columns: 48px 1fr;
      }
      .article-card .btn,
      .entry-item .btn {
        grid-column: 1 / -1;
        width: 100%;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .cover-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-strip {
        grid-template-columns: 1fr;
        padding: 24px;
      }
    }
    @media (max-width: 520px) {
      .brand span {
        max-width: 190px;
        overflow: hidden;
        text-overflow: ellipsis;
      }
      .countdown-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .status-line,
      .stage-strip,
      .milestone,
      .matrix {
        grid-template-columns: 1fr;
      }
      .hero-actions .btn {
        width: 100%;
      }
      .time-box strong {
        font-size: 26px;
      }
    }

/* roulang page: category1 */
:root{
      --green:#16A34A;
      --green-2:#22C55E;
      --green-dark:#064E3B;
      --green-soft:#ECFDF5;
      --bg:#FFFFFF;
      --bg-soft:#F7FAF8;
      --bg-mint:#F3F7F4;
      --text:#111827;
      --muted:#6B7280;
      --border:#E5E7EB;
      --border-green:#D1FAE5;
      --warn:#F59E0B;
      --radius:14px;
      --radius-sm:10px;
      --shadow:0 8px 24px rgba(17,24,39,.06);
      --shadow-hover:0 16px 36px rgba(17,24,39,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:var(--bg);
      line-height:1.7;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img,svg{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:#BBF7D0;color:#064E3B}
    .site-container{
      width:min(1180px,100%);
      margin-inline:auto;
      padding-inline:24px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.96);
      backdrop-filter:saturate(180%) blur(10px);
      border-bottom:1px solid var(--border);
    }
    .nav-wrap{
      height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:800;
      color:var(--green-dark);
      letter-spacing:0;
      min-width:max-content;
    }
    .brand-icon{
      width:34px;
      height:34px;
      border-radius:10px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      color:white;
      font-size:14px;
      background:linear-gradient(135deg,#22C55E,#059669);
      box-shadow:0 8px 18px rgba(22,163,74,.22);
      flex:0 0 auto;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:6px;
      border:1px solid var(--border);
      border-radius:999px;
      background:#fff;
      box-shadow:0 4px 14px rgba(17,24,39,.03);
    }
    .nav-links a{
      padding:8px 14px;
      border-radius:999px;
      color:#374151;
      font-size:14px;
      font-weight:700;
      transition:.2s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:var(--green-dark);
      background:var(--green-soft);
    }
    .nav-links a.active{
      color:#fff;
      background:var(--green);
      box-shadow:0 8px 18px rgba(22,163,74,.18);
    }
    .nav-actions{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .search-box{
      position:relative;
      width:230px;
    }
    .search-box input{
      width:100%;
      height:42px;
      padding:0 14px 0 38px;
      border:1px solid var(--border);
      border-radius:12px;
      outline:none;
      background:#fff;
      color:var(--text);
      transition:.2s ease;
    }
    .search-box input:focus{
      border-color:var(--green-2);
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
    }
    .search-box span{
      position:absolute;
      left:13px;
      top:50%;
      transform:translateY(-50%);
      color:#9CA3AF;
      font-size:15px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 18px;
      border-radius:12px;
      border:1px solid transparent;
      font-weight:800;
      transition:.22s ease;
      line-height:1.2;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:var(--green);
      box-shadow:0 10px 22px rgba(22,163,74,.20);
    }
    .btn-primary:hover{
      background:#15803D;
      transform:translateY(-1px);
      box-shadow:0 16px 28px rgba(22,163,74,.25);
    }
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{
      color:var(--green-dark);
      border-color:#BBF7D0;
      background:#fff;
    }
    .btn-secondary:hover{
      background:var(--green-soft);
      border-color:var(--green-2);
      transform:translateY(-1px);
    }
    .btn-ghost{
      color:var(--green-dark);
      background:#F0FDF4;
      border-color:#DCFCE7;
    }
    .btn-ghost:hover{background:#DCFCE7}
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--border);
      background:#fff;
      border-radius:12px;
      align-items:center;
      justify-content:center;
      color:var(--green-dark);
    }
    .focusable:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible{
      outline:3px solid rgba(34,197,94,.28);
      outline-offset:2px;
    }
    .page-hero{
      background:
        radial-gradient(circle at 15% 10%, rgba(34,197,94,.10), transparent 28%),
        linear-gradient(180deg,#FFFFFF 0%,#F7FAF8 100%);
      border-bottom:1px solid var(--border);
      overflow:hidden;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:34px;
      align-items:center;
      padding:56px 0 34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 11px;
      border:1px solid var(--border-green);
      border-radius:999px;
      background:#fff;
      color:var(--green-dark);
      font-size:13px;
      font-weight:800;
      box-shadow:0 4px 14px rgba(17,24,39,.04);
    }
    .hero-title{
      margin:18px 0 14px;
      font-size:clamp(32px,5vw,52px);
      line-height:1.12;
      letter-spacing:0;
      font-weight:900;
      color:#0F172A;
    }
    .hero-desc{
      max-width:680px;
      color:#4B5563;
      font-size:17px;
      line-height:1.9;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
    }
    .invite-card{
      background:#fff;
      border:1px solid var(--border);
      border-radius:20px;
      box-shadow:var(--shadow);
      padding:20px;
      position:relative;
    }
    .browser-top{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding-bottom:14px;
      border-bottom:1px solid var(--border);
    }
    .dot-row{display:flex;gap:7px}
    .dot{width:10px;height:10px;border-radius:999px;background:#D1D5DB}
    .dot:nth-child(1){background:#F59E0B}
    .dot:nth-child(2){background:#22C55E}
    .dot:nth-child(3){background:#10B981}
    .age-chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 10px;
      border-radius:999px;
      background:#FFFBEB;
      color:#92400E;
      font-weight:800;
      font-size:12px;
      border:1px solid #FDE68A;
    }
    .progress-wrap{
      margin-top:18px;
      padding:16px;
      border-radius:16px;
      background:linear-gradient(180deg,#F7FAF8,#FFFFFF);
      border:1px solid var(--border-green);
    }
    .progress-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      font-size:14px;
      color:#374151;
      font-weight:800;
    }
    .progress-bar{
      margin-top:12px;
      height:12px;
      border-radius:999px;
      background:#E5E7EB;
      overflow:hidden;
    }
    .progress-bar span{
      display:block;
      height:100%;
      width:68%;
      border-radius:999px;
      background:linear-gradient(90deg,#22C55E,#059669);
    }
    .stage-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
      margin-top:16px;
    }
    .stage-item{
      min-height:86px;
      padding:14px;
      border-radius:14px;
      border:1px solid var(--border);
      background:#fff;
      transition:.2s ease;
    }
    .stage-item:hover{
      border-color:var(--green-2);
      box-shadow:var(--shadow);
      transform:translateY(-1px);
    }
    .stage-icon{
      width:34px;
      height:34px;
      border-radius:11px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--green-soft);
      color:var(--green-dark);
      font-weight:900;
      margin-bottom:10px;
    }
    .stage-title{
      font-weight:900;
      color:#111827;
      font-size:14px;
    }
    .stage-note{
      margin-top:2px;
      color:var(--muted);
      font-size:12px;
    }
    .section{
      padding:64px 0;
    }
    .section-soft{
      background:var(--bg-soft);
      border-block:1px solid var(--border);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:24px;
    }
    .section-title{
      font-size:clamp(26px,3vw,34px);
      line-height:1.25;
      font-weight:900;
      color:#111827;
      margin:0;
    }
    .section-desc{
      margin:10px 0 0;
      color:var(--muted);
      max-width:720px;
      line-height:1.9;
    }
    .filter-toolbar{
      position:sticky;
      top:88px;
      z-index:30;
      display:grid;
      grid-template-columns:1.1fr auto auto auto;
      gap:12px;
      align-items:center;
      padding:14px;
      background:rgba(255,255,255,.96);
      border:1px solid var(--border);
      border-radius:18px;
      box-shadow:var(--shadow);
      backdrop-filter:blur(10px);
      margin-bottom:24px;
    }
    .field{
      height:46px;
      border:1px solid var(--border);
      border-radius:12px;
      background:#fff;
      padding:0 14px;
      color:#374151;
      outline:none;
      transition:.2s ease;
    }
    .field:focus{
      border-color:var(--green-2);
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:6px;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid var(--border);
      background:#fff;
      color:#374151;
      font-size:13px;
      font-weight:800;
      transition:.2s ease;
    }
    .chip:hover,.chip.active{
      background:var(--green-soft);
      border-color:var(--green-2);
      color:var(--green-dark);
    }
    .content-layout{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 310px;
      gap:24px;
      align-items:start;
    }
    .list-flow{
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .entry-card{
      display:grid;
      grid-template-columns:132px minmax(0,1fr);
      gap:16px;
      padding:16px;
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      box-shadow:0 2px 0 rgba(17,24,39,.02);
      transition:.22s ease;
    }
    .entry-card:hover{
      border-color:var(--green-2);
      box-shadow:var(--shadow-hover);
      transform:translateY(-2px);
    }
    .abstract-cover{
      aspect-ratio:4/3;
      border-radius:14px;
      border:1px solid var(--border-green);
      background:
        linear-gradient(135deg,rgba(34,197,94,.18),rgba(236,253,245,.35)),
        repeating-linear-gradient(45deg,rgba(6,78,59,.08) 0 10px,transparent 10px 20px);
      position:relative;
      overflow:hidden;
    }
    .abstract-cover:before{
      content:"";
      position:absolute;
      inset:14px;
      border-radius:12px;
      border:1px dashed rgba(6,78,59,.24);
      background:rgba(255,255,255,.52);
    }
    .abstract-cover:after{
      content:"18+";
      position:absolute;
      left:12px;
      top:12px;
      padding:4px 8px;
      border-radius:999px;
      background:#FFFBEB;
      border:1px solid #FDE68A;
      color:#92400E;
      font-size:12px;
      font-weight:900;
    }
    .entry-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:5px;
      padding:4px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      line-height:1.2;
    }
    .badge-green{
      background:var(--green-soft);
      color:var(--green-dark);
      border:1px solid var(--border-green);
    }
    .badge-gray{
      background:#F3F4F6;
      color:#4B5563;
      border:1px solid #E5E7EB;
    }
    .badge-warn{
      background:#FFFBEB;
      color:#92400E;
      border:1px solid #FDE68A;
    }
    .entry-title{
      font-size:20px;
      line-height:1.35;
      font-weight:900;
      color:#111827;
      margin:0 0 8px;
    }
    .entry-text{
      color:#6B7280;
      margin:0;
      line-height:1.8;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .entry-foot{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-top:14px;
      color:#6B7280;
      font-size:13px;
    }
    .small-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:10px;
      border:1px solid #BBF7D0;
      color:var(--green-dark);
      background:#fff;
      font-weight:900;
      transition:.2s ease;
      white-space:nowrap;
    }
    .small-btn:hover{
      background:var(--green-soft);
      border-color:var(--green-2);
    }
    .side-panel{
      position:sticky;
      top:168px;
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .side-card{
      padding:18px;
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      box-shadow:var(--shadow);
    }
    .side-card h3{
      margin:0 0 10px;
      font-size:18px;
      font-weight:900;
      color:#111827;
    }
    .side-card p{
      margin:0;
      color:#6B7280;
      font-size:14px;
      line-height:1.8;
    }
    .check-list{
      display:flex;
      flex-direction:column;
      gap:10px;
      margin-top:14px;
      padding:0;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:9px;
      align-items:flex-start;
      color:#374151;
      font-size:14px;
    }
    .check-list li span:first-child{
      color:#16A34A;
      font-weight:900;
      flex:0 0 auto;
    }
    .steps-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .step-card{
      padding:18px;
      border-radius:18px;
      border:1px solid var(--border);
      background:#fff;
      transition:.2s ease;
    }
    .step-card:hover{
      border-color:var(--green-2);
      box-shadow:var(--shadow);
      transform:translateY(-2px);
    }
    .step-num{
      width:34px;
      height:34px;
      display:flex;
      align-items:center;
      justify-content:center;
      border-radius:12px;
      background:var(--green);
      color:#fff;
      font-weight:900;
      margin-bottom:12px;
    }
    .step-card h3{
      margin:0 0 8px;
      font-size:17px;
      font-weight:900;
    }
    .step-card p{
      margin:0;
      color:#6B7280;
      font-size:14px;
      line-height:1.8;
    }
    .subscribe-band{
      background:linear-gradient(135deg,#ECFDF5,#F7FAF8);
      border-block:1px solid var(--border-green);
    }
    .subscribe-box{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:28px;
      align-items:center;
    }
    .form-card{
      padding:20px;
      border-radius:20px;
      border:1px solid var(--border-green);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .form-grid{
      display:grid;
      grid-template-columns:1fr 180px;
      gap:12px;
    }
    .checkbox-line{
      margin-top:12px;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#4B5563;
      font-size:13px;
      line-height:1.7;
    }
    .checkbox-line input{
      width:17px;
      height:17px;
      margin-top:3px;
      accent-color:var(--green);
    }
    .success-note{
      margin-top:12px;
      padding:10px 12px;
      border-radius:12px;
      background:var(--green-soft);
      border:1px solid var(--border-green);
      color:var(--green-dark);
      font-size:13px;
      font-weight:800;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{
      display:flex;
      flex-direction:column;
      gap:12px;
    }
    details.faq-item{
      border:1px solid var(--border);
      border-radius:16px;
      background:#fff;
      padding:0;
      overflow:hidden;
      transition:.2s ease;
    }
    details.faq-item:hover{
      border-color:var(--green-2);
      box-shadow:var(--shadow);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:17px 18px;
      font-weight:900;
      color:#111827;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item summary:after{
      content:"+";
      width:24px;
      height:24px;
      border-radius:999px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#F3F4F6;
      color:#064E3B;
      font-weight:900;
      flex:0 0 auto;
    }
    details.faq-item[open] summary:after{
      content:"−";
      background:var(--green-soft);
    }
    details.faq-item p{
      margin:0;
      padding:0 18px 18px;
      color:#6B7280;
      line-height:1.85;
    }
    .cta-panel{
      padding:28px;
      border-radius:24px;
      background:
        radial-gradient(circle at 85% 20%,rgba(34,197,94,.18),transparent 26%),
        linear-gradient(135deg,#064E3B,#047857);
      color:#fff;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      overflow:hidden;
    }
    .cta-panel h2{
      margin:0 0 8px;
      font-size:28px;
      line-height:1.25;
      font-weight:900;
    }
    .cta-panel p{
      margin:0;
      color:rgba(255,255,255,.82);
      line-height:1.85;
      max-width:720px;
    }
    .cta-panel .btn-secondary{
      border-color:rgba(255,255,255,.5);
      color:#064E3B;
    }
    .site-footer{
      background:#F7FAF8;
      border-top:1px solid var(--border);
      padding:44px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:28px;
      align-items:start;
    }
    .muted{color:var(--muted)}
    .mt-4{margin-top:16px}
    .site-footer h3{
      margin:0 0 12px;
      font-size:16px;
      font-weight:900;
      color:#111827;
    }
    .footer-links{
      display:flex;
      flex-direction:column;
      gap:9px;
    }
    .footer-links a{
      color:#4B5563;
      transition:.2s ease;
      width:max-content;
      max-width:100%;
    }
    .footer-links a:hover{
      color:var(--green-dark);
      text-decoration:underline;
      text-underline-offset:4px;
    }
    .copyright{
      margin-top:30px;
      padding-top:18px;
      border-top:1px solid var(--border);
      color:#6B7280;
      font-size:13px;
      line-height:1.8;
    }
    .mobile-panel{
      display:none;
      border-top:1px solid var(--border);
      padding:12px 0 16px;
      background:#fff;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav-links{
      display:flex;
      flex-direction:column;
      align-items:stretch;
      border-radius:16px;
      margin-bottom:12px;
    }
    .mobile-panel .nav-links a{text-align:center}
    @media (max-width:1024px){
      .nav-actions .search-box{display:none}
      .hero-grid,
      .content-layout,
      .subscribe-box,
      .faq-grid{
        grid-template-columns:1fr;
      }
      .side-panel{position:static}
      .filter-toolbar{
        grid-template-columns:1fr 1fr;
        top:82px;
      }
      .steps-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .site-container{padding-inline:16px}
      .nav-wrap{height:66px}
      .desktop-nav,.desktop-actions{display:none}
      .menu-btn{display:flex}
      .page-hero .site-container{padding-inline:16px}
      .hero-grid{padding:38px 0 28px;gap:24px}
      .hero-desc{font-size:16px}
      .section{padding:46px 0}
      .section-head{display:block}
      .filter-toolbar{
        position:relative;
        top:auto;
        grid-template-columns:1fr;
        border-radius:16px;
      }
      .entry-card{
        grid-template-columns:1fr;
      }
      .abstract-cover{aspect-ratio:16/8}
      .form-grid{grid-template-columns:1fr}
      .cta-panel{
        display:block;
        padding:24px;
      }
      .cta-panel .hero-actions{margin-top:18px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand span:last-child{font-size:15px}
      .stage-grid,.steps-grid{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .entry-foot{
        align-items:flex-start;
        flex-direction:column;
      }
      .chip-row{overflow-x:auto;flex-wrap:nowrap;padding-bottom:2px}
      .chip{white-space:nowrap}
    }