/* roulang page: index */
:root {
      --bg: #101114;
      --bg-2: #181A20;
      --panel: #20222A;
      --panel-soft: #242730;
      --text: #F6F1EA;
      --muted: #B7BBC4;
      --weak: #8C929E;
      --line: rgba(255,255,255,.1);
      --line-strong: rgba(255,255,255,.18);
      --brand: #A51E3A;
      --brand-2: #7C2D5A;
      --brand-3: #641932;
      --warn: #F59E0B;
      --ok: #5EE0A1;
      --radius-lg: 28px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow: 0 24px 70px rgba(0,0,0,.34);
      --shadow-soft: 0 16px 42px rgba(0,0,0,.24);
      --gradient: linear-gradient(135deg, #A51E3A 0%, #7C2D5A 58%, #641932 100%);
      --container: 1220px;
    }

    * { box-sizing: border-box; }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      background:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
        radial-gradient(circle at 18% 8%, rgba(165,30,58,.18), transparent 34%),
        radial-gradient(circle at 86% 24%, rgba(124,45,90,.16), transparent 30%),
        var(--bg);
      background-size: 36px 36px, 36px 36px, auto, auto, auto;
      line-height: 1.75;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

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

    button, input, select, textarea {
      font: inherit;
    }

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

    .top-alert {
      border-bottom: 1px solid var(--line);
      background: rgba(16,17,20,.92);
      color: var(--muted);
      font-size: 13px;
    }

    .top-alert .site-container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 8px 0;
      text-align: center;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 999px;
      display: inline-flex;
      background: var(--warn);
      box-shadow: 0 0 0 4px rgba(245,158,11,.12);
      flex: 0 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(16,17,20,.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
    }

    .header-main {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 18px 0 12px;
    }

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

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background: var(--gradient);
      box-shadow: 0 12px 30px rgba(165,30,58,.28);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 10px;
      border: 1px solid rgba(255,255,255,.7);
      border-radius: 50%;
    }

    .brand-mark::after {
      inset: 19px 7px auto;
      height: 1px;
      border: 0;
      background: rgba(255,255,255,.75);
      border-radius: 0;
    }

    .brand-text {
      font-weight: 800;
      font-size: 18px;
      line-height: 1.25;
      max-width: 360px;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex: 0 0 auto;
    }

    .age-badge,
    .data-badge,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 13px;
      font-weight: 700;
      color: var(--text);
      border: 1px solid var(--line-strong);
      background: rgba(255,255,255,.055);
      white-space: nowrap;
    }

    .age-badge {
      color: #FFE6B0;
      border-color: rgba(245,158,11,.34);
      background: rgba(245,158,11,.1);
    }

    .btn-brand,
    .btn-ghost,
    .btn-chip {
      border: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      border-radius: 999px;
      font-weight: 800;
      line-height: 1.2;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }

    .btn-brand {
      color: #fff;
      background: var(--gradient);
      box-shadow: 0 14px 34px rgba(165,30,58,.3);
    }

    .btn-brand:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(165,30,58,.42);
      filter: brightness(1.08);
    }

    .btn-ghost {
      color: var(--text);
      border: 1px solid var(--line-strong);
      background: rgba(255,255,255,.055);
    }

    .btn-ghost:hover {
      color: #fff;
      border-color: rgba(165,30,58,.55);
      background: rgba(165,30,58,.14);
      transform: translateY(-1px);
    }

    .btn-brand:focus-visible,
    .btn-ghost:focus-visible,
    .btn-chip:focus-visible,
    .form-control:focus,
    .form-check-input:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(245,158,11,.35);
      outline-offset: 3px;
      box-shadow: none;
    }

    .nav-row {
      padding: 0 0 16px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .nav-row::-webkit-scrollbar {
      display: none;
    }

    .segmented-nav {
      display: flex;
      gap: 10px;
      min-width: max-content;
    }

    .btn-chip {
      min-height: 40px;
      padding: 9px 15px;
      color: var(--muted);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.035);
      font-size: 14px;
      position: relative;
    }

    .btn-chip .mini-dot {
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--weak);
      box-shadow: none;
    }

    .btn-chip.active {
      color: #fff;
      background: var(--gradient);
      border-color: transparent;
      box-shadow: 0 12px 28px rgba(165,30,58,.28);
    }

    .btn-chip.active .mini-dot {
      background: #fff;
      box-shadow: 0 0 0 4px rgba(255,255,255,.15);
    }

    .btn-chip:hover {
      color: #fff;
      border-color: rgba(255,255,255,.26);
      background: rgba(255,255,255,.075);
    }

    .hero {
      padding: 64px 0 30px;
      position: relative;
    }

    .hero-band {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      border: 1px solid var(--line-strong);
      background:
        linear-gradient(135deg, rgba(165,30,58,.22), rgba(124,45,90,.1) 42%, rgba(32,34,42,.95)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 1px, transparent 1px 14px);
      box-shadow: var(--shadow);
      padding: 34px;
    }

    .hero-band::before {
      content: "";
      position: absolute;
      left: 28px;
      right: 28px;
      top: 22px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr minmax(320px, 520px) 1fr;
      gap: 24px;
      align-items: center;
    }

    .value-stack {
      display: grid;
      gap: 14px;
    }

    .value-point {
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: 22px;
      background: rgba(16,17,20,.54);
    }

    .value-point small {
      display: block;
      color: var(--weak);
      font-weight: 800;
      margin-bottom: 6px;
    }

    .value-point strong {
      display: block;
      color: var(--text);
      font-size: 16px;
      margin-bottom: 4px;
    }

    .value-point p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .hero-stage {
      text-align: center;
      padding: 16px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      border-radius: 999px;
      padding: 8px 13px;
      margin-bottom: 18px;
      color: #FFE6B0;
      background: rgba(245,158,11,.1);
      border: 1px solid rgba(245,158,11,.32);
      font-size: 13px;
      font-weight: 800;
    }

    h1 {
      margin: 0;
      font-size: clamp(30px, 4vw, 48px);
      line-height: 1.16;
      font-weight: 800;
    }

    .hero-copy {
      margin: 18px auto 0;
      color: var(--muted);
      font-size: 16px;
      max-width: 660px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .stage-board {
      margin: 28px auto 0;
      border-radius: 26px;
      border: 1px solid rgba(255,255,255,.16);
      background: rgba(16,17,20,.72);
      padding: 18px;
      max-width: 430px;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
    }

    .stage-board-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      color: var(--weak);
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 14px;
    }

    .entry-matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .entry-card {
      min-height: 110px;
      border-radius: 20px;
      padding: 16px;
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
      border: 1px solid var(--line);
      text-align: left;
      position: relative;
      overflow: hidden;
    }

    .entry-card::after {
      content: "";
      position: absolute;
      inset: auto 14px 12px 14px;
      height: 2px;
      background: var(--gradient);
      opacity: .7;
    }

    .entry-card span {
      color: var(--weak);
      font-size: 12px;
      font-weight: 800;
    }

    .entry-card b {
      display: block;
      margin-top: 8px;
      font-size: 17px;
    }

    .entry-card p {
      margin: 6px 0 0;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding-top: 46px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: #FFC46B;
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 8px;
    }

    h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 800;
    }

    .section-desc {
      margin: 10px 0 0;
      color: var(--muted);
      max-width: 720px;
      font-size: 16px;
    }

    .panel {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(32,34,42,.78);
      box-shadow: var(--shadow-soft);
    }

    .step-track {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      align-items: stretch;
      position: relative;
    }

    .step-card {
      padding: 28px;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.065), rgba(255,255,255,.028));
      position: relative;
      overflow: hidden;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .step-card:nth-child(2) { margin-top: 24px; }
    .step-card:nth-child(3) { margin-top: 48px; }

    .step-card:hover,
    .topic-card:hover,
    .scenario-card:hover,
    .price-card:hover,
    .news-link:hover {
      transform: translateY(-3px);
      border-color: rgba(165,30,58,.45);
      box-shadow: 0 20px 48px rgba(0,0,0,.28);
    }

    .step-no {
      display: inline-flex;
      border-radius: 999px;
      padding: 6px 12px;
      background: var(--gradient);
      color: #fff;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .step-card h3,
    .topic-card h3,
    .scenario-card h3,
    .price-card h3 {
      margin: 0 0 10px;
      font-size: 20px;
      font-weight: 800;
    }

    .step-card p,
    .topic-card p,
    .scenario-card p,
    .price-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .topic-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
    }

    .topic-large {
      padding: 30px;
      min-height: 310px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(135deg, rgba(165,30,58,.2), rgba(124,45,90,.08)),
        rgba(32,34,42,.9);
    }

    .topic-side {
      display: grid;
      gap: 20px;
    }

    .topic-card {
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      background: rgba(32,34,42,.78);
      padding: 26px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .tag-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .tag {
      padding: 6px 10px;
      font-size: 12px;
      color: var(--muted);
    }

    .metrics-wall {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-bottom: 22px;
    }

    .metric {
      border-radius: 22px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
      padding: 20px;
    }

    .metric b {
      display: block;
      font-size: 28px;
      line-height: 1;
      margin-bottom: 8px;
      background: linear-gradient(135deg, #fff, #FFC1CD);
      -webkit-background-clip: text;
      color: transparent;
    }

    .metric span {
      color: var(--weak);
      font-size: 13px;
      font-weight: 800;
    }

    .proof-layout {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 22px;
      align-items: stretch;
    }

    .scenario-list {
      display: grid;
      gap: 16px;
    }

    .scenario-card {
      padding: 24px;
      border-radius: 24px;
      border: 1px solid var(--line);
      background: rgba(32,34,42,.74);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
      border-top: 3px solid rgba(165,30,58,.8);
    }

    .quote-panel {
      padding: 30px;
      min-height: 100%;
      background:
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 18px),
        rgba(32,34,42,.78);
    }

    .quote-panel blockquote {
      margin: 0;
      color: var(--text);
      font-size: 20px;
      font-weight: 800;
      line-height: 1.55;
    }

    .quote-panel p {
      margin: 18px 0 0;
      color: var(--muted);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 20px;
    }

    .news-list {
      display: grid;
      gap: 12px;
    }

    .news-link {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 18px;
      align-items: center;
      border-radius: 20px;
      padding: 16px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.04);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .news-date {
      color: #FFC46B;
      font-weight: 900;
      font-size: 13px;
    }

    .news-link strong {
      display: block;
      font-size: 16px;
      margin-bottom: 4px;
    }

    .news-link span {
      color: var(--muted);
      font-size: 14px;
    }

    .arrow {
      width: 34px;
      height: 34px;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(165,30,58,.18);
      color: #fff;
      font-weight: 900;
    }

    .recommend-panel {
      padding: 26px;
      background: linear-gradient(180deg, rgba(165,30,58,.14), rgba(255,255,255,.035));
    }

    .recommend-panel ul {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .recommend-panel li {
      display: flex;
      gap: 10px;
      color: var(--muted);
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .price-card {
      position: relative;
      overflow: hidden;
      padding: 28px;
      border-radius: 26px;
      border: 1px solid var(--line);
      background: rgba(32,34,42,.78);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .price-card.featured {
      background:
        linear-gradient(135deg, rgba(165,30,58,.25), rgba(124,45,90,.12)),
        rgba(32,34,42,.9);
      border-color: rgba(165,30,58,.42);
    }

    .price-card .level {
      display: inline-flex;
      color: #fff;
      background: var(--gradient);
      border-radius: 999px;
      padding: 6px 11px;
      font-size: 12px;
      font-weight: 900;
      margin-bottom: 16px;
    }

    .progress-line {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.09);
      overflow: hidden;
      margin: 20px 0;
    }

    .progress-line i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: var(--gradient);
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      color: var(--text);
      background: rgba(32,34,42,.78);
      border: 1px solid var(--line);
      border-radius: 18px !important;
      overflow: hidden;
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      font-weight: 800;
      padding: 18px 22px;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: #fff;
      background: rgba(165,30,58,.14);
      border-left: 4px solid var(--brand);
      box-shadow: none;
    }

    .accordion-button::after {
      filter: invert(1) grayscale(1);
      opacity: .75;
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 22px 20px 26px;
      font-size: 15px;
    }

    .cta-panel {
      overflow: hidden;
      position: relative;
      border-radius: 30px;
      padding: 34px;
      background:
        linear-gradient(135deg, rgba(165,30,58,.94), rgba(124,45,90,.88) 58%, rgba(100,25,50,.96)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.1) 0 1px, transparent 1px 16px);
      box-shadow: var(--shadow);
    }

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

    .cta-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr 420px;
      gap: 28px;
      align-items: center;
    }

    .cta-panel h2 {
      color: #fff;
    }

    .cta-panel p {
      color: rgba(255,255,255,.82);
      margin: 12px 0 0;
    }

    .form-box {
      border-radius: 24px;
      padding: 22px;
      background: rgba(16,17,20,.7);
      border: 1px solid rgba(255,255,255,.18);
    }

    .form-control,
    .form-select {
      color: var(--text);
      background-color: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      border-radius: 15px;
      min-height: 46px;
    }

    .form-control::placeholder {
      color: rgba(246,241,234,.54);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      background-color: rgba(255,255,255,.1);
      border-color: rgba(245,158,11,.62);
    }

    .form-check {
      color: rgba(255,255,255,.76);
      font-size: 13px;
      margin: 14px 0;
    }

    .form-check-input {
      background-color: rgba(255,255,255,.08);
      border-color: rgba(255,255,255,.35);
    }

    .form-check-input:checked {
      background-color: var(--warn);
      border-color: var(--warn);
    }

    .site-footer {
      padding: 54px 0 30px;
      background: #0D0E11;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 26px;
    }

    .footer-title {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 520px;
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: var(--muted);
    }

    .footer-links a:hover {
      color: #fff;
    }

    .copyright {
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid var(--line);
      color: var(--weak);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 1199px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }

      .value-stack {
        grid-template-columns: repeat(2, 1fr);
      }

      .hero-stage {
        order: -1;
      }
    }

    @media (max-width: 991px) {
      .section {
        padding: 58px 0;
      }

      .header-main {
        align-items: flex-start;
      }

      .header-actions {
        flex-wrap: wrap;
        justify-content: flex-end;
      }

      .step-track,
      .metrics-wall,
      .pricing-grid {
        grid-template-columns: 1fr;
      }

      .step-card:nth-child(2),
      .step-card:nth-child(3) {
        margin-top: 0;
      }

      .topic-grid,
      .proof-layout,
      .news-layout,
      .cta-grid,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .news-link {
        grid-template-columns: 1fr;
      }

      .arrow {
        display: none;
      }
    }

    @media (max-width: 767px) {
      .site-container {
        width: min(100% - 22px, var(--container));
      }

      .top-alert .site-container {
        justify-content: flex-start;
        text-align: left;
      }

      .header-main {
        flex-direction: column;
      }

      .header-actions {
        width: 100%;
        justify-content: space-between;
      }

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

      .hero {
        padding-top: 36px;
      }

      .hero-band,
      .cta-panel {
        padding: 22px;
        border-radius: 24px;
      }

      .value-stack,
      .entry-matrix {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .metrics-wall {
        gap: 10px;
      }

      .metric {
        padding: 16px;
      }

      .hero-actions .btn-brand,
      .hero-actions .btn-ghost,
      .form-box .btn-brand {
        width: 100%;
      }

      .copyright {
        display: block;
      }
    }

    @media (max-width: 520px) {
      .age-badge {
        display: none;
      }

      .btn-brand,
      .btn-ghost {
        padding-inline: 14px;
      }

      .stage-board {
        padding: 14px;
      }

      .topic-card,
      .step-card,
      .scenario-card,
      .price-card {
        padding: 22px;
      }
    }

/* roulang page: category1 */
:root {
            --bg: #101114;
            --bg-soft: #181a20;
            --panel: #1d2027;
            --panel-strong: #23262e;
            --paper: #f6f1ea;
            --paper-soft: #e9e1d7;
            --text: #f8f5f1;
            --text-dark: #17181c;
            --muted: #aeb2bb;
            --muted-dark: #5f626a;
            --brand: #a51e3a;
            --brand-deep: #7c2d5a;
            --brand-dark: #591a38;
            --warning: #f59e0b;
            --success: #50c878;
            --border: rgba(255, 255, 255, .09);
            --border-dark: rgba(16, 17, 20, .14);
            --gradient: linear-gradient(135deg, #a51e3a 0%, #7c2d5a 58%, #591a38 100%);
            --shadow: 0 24px 60px rgba(0, 0, 0, .28);
            --shadow-soft: 0 12px 32px rgba(0, 0, 0, .18);
            --radius-xl: 26px;
            --radius-lg: 20px;
            --radius-md: 15px;
            --radius-sm: 8px;
            --container: 1220px;
            --transition: 180ms ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            min-width: 320px;
            color: var(--text);
            background:
                linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
                var(--bg);
            background-size: 32px 32px;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background: repeating-linear-gradient(
                115deg,
                transparent 0,
                transparent 72px,
                rgba(255,255,255,.012) 73px,
                transparent 74px
            );
        }

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

        a,
        button,
        input,
        select {
            transition: color var(--transition), background-color var(--transition),
                border-color var(--transition), box-shadow var(--transition),
                transform var(--transition);
        }

        button,
        input,
        select {
            font: inherit;
        }

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

        :focus-visible {
            outline: 3px solid rgba(245, 158, 11, .55);
            outline-offset: 3px;
        }

        ::selection {
            color: #fff;
            background: var(--brand);
        }

        .site-container {
            width: min(calc(100% - 40px), var(--container));
            margin-inline: auto;
        }

        .site-header {
            position: relative;
            z-index: 20;
            background: rgba(16, 17, 20, .96);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 8px 30px rgba(0, 0, 0, .22);
        }

        .header-main {
            min-height: 82px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 13px;
            min-width: 0;
            font-size: 18px;
            font-weight: 800;
            line-height: 1.35;
        }

        .brand:hover {
            color: #fff;
        }

        .brand-mark {
            position: relative;
            width: 31px;
            height: 31px;
            flex: 0 0 31px;
            border: 1px solid rgba(255, 255, 255, .46);
            border-radius: 50%;
            background: var(--gradient);
            box-shadow: 0 0 0 5px rgba(165, 30, 58, .12);
        }

        .brand-mark::before,
        .brand-mark::after {
            content: "";
            position: absolute;
            background: rgba(255,255,255,.78);
        }

        .brand-mark::before {
            width: 17px;
            height: 1px;
            left: 6px;
            top: 14px;
        }

        .brand-mark::after {
            width: 1px;
            height: 17px;
            left: 14px;
            top: 6px;
        }

        .brand-text {
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 12px;
            flex: 0 0 auto;
        }

        .age-badge,
        .status-badge,
        .data-badge,
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            border-radius: 999px;
            font-weight: 700;
            line-height: 1.2;
        }

        .age-badge {
            min-height: 36px;
            padding: 8px 13px;
            color: #f8dfaa;
            background: rgba(245, 158, 11, .1);
            border: 1px solid rgba(245, 158, 11, .28);
            font-size: 13px;
        }

        .status-dot,
        .mini-dot {
            display: inline-block;
            flex: 0 0 auto;
            border-radius: 50%;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--warning);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, .13);
        }

        .mini-dot {
            width: 6px;
            height: 6px;
            background: #747983;
        }

        .btn-brand,
        .btn-outline,
        .entry-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 46px;
            padding: 11px 20px;
            border: 1px solid transparent;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 800;
            line-height: 1.3;
            cursor: pointer;
        }

        .btn-brand {
            color: #fff;
            background: var(--gradient);
            box-shadow: 0 10px 25px rgba(165, 30, 58, .24);
        }

        .btn-brand:hover {
            color: #fff;
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(165, 30, 58, .34);
        }

        .btn-brand:active,
        .btn-outline:active,
        .entry-action:active {
            transform: translateY(0);
        }

        .btn-outline {
            color: var(--text);
            background: rgba(255,255,255,.035);
            border-color: rgba(255,255,255,.2);
        }

        .btn-outline:hover {
            color: #fff;
            border-color: rgba(225, 92, 132, .6);
            background: rgba(165, 30, 58, .12);
            transform: translateY(-2px);
        }

        .nav-row {
            padding: 0 0 14px;
            border-top: 1px solid rgba(255,255,255,.04);
        }

        .segmented-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            padding-top: 13px;
            scrollbar-width: none;
        }

        .segmented-nav::-webkit-scrollbar {
            display: none;
        }

        .btn-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 40px;
            padding: 9px 15px;
            flex: 0 0 auto;
            color: #c6c8cf;
            background: #191b21;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 700;
        }

        .btn-chip:hover {
            color: #fff;
            border-color: rgba(225, 92, 132, .46);
            background: rgba(165, 30, 58, .11);
        }

        .btn-chip.active {
            color: #fff;
            background: var(--gradient);
            border-color: transparent;
            box-shadow: 0 8px 22px rgba(124, 45, 90, .28);
        }

        .btn-chip.active .mini-dot {
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255,255,255,.16);
        }

        .breadcrumb-band {
            color: var(--text-dark);
            background: var(--paper);
            border-bottom: 1px solid var(--border-dark);
        }

        .breadcrumb-wrap {
            min-height: 48px;
            display: flex;
            align-items: center;
        }

        .breadcrumb {
            margin: 0;
            --bs-breadcrumb-divider-color: #8b7c83;
            --bs-breadcrumb-item-active-color: #6f5962;
            font-size: 13px;
            font-weight: 700;
        }

        .breadcrumb a:hover {
            color: var(--brand);
        }

        .category-hero {
            position: relative;
            overflow: hidden;
            color: var(--text-dark);
            background: var(--paper);
            border-bottom: 1px solid var(--border-dark);
        }

        .category-hero::after {
            content: "";
            position: absolute;
            right: 0;
            bottom: 0;
            width: 42%;
            height: 7px;
            background: var(--gradient);
            clip-path: polygon(4% 0, 100% 0, 100% 100%, 0 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            padding: 54px 0 58px;
        }

        .hero-kicker,
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 15px;
            color: var(--brand);
            font-size: 13px;
            font-weight: 800;
        }

        .hero-kicker::before,
        .section-kicker::before {
            content: "";
            width: 26px;
            height: 2px;
            background: var(--gradient);
        }

        h1,
        h2,
        h3,
        p {
            margin-top: 0;
        }

        h1,
        h2,
        h3 {
            font-weight: 800;
            letter-spacing: 0;
        }

        h1 {
            max-width: 900px;
            margin-bottom: 18px;
            font-size: 44px;
            line-height: 1.2;
        }

        h2 {
            margin-bottom: 14px;
            font-size: 31px;
            line-height: 1.3;
        }

        h3 {
            font-size: 20px;
            line-height: 1.42;
        }

        .hero-summary {
            max-width: 780px;
            margin-bottom: 25px;
            color: var(--muted-dark);
            font-size: 17px;
            line-height: 1.85;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-meta .data-badge {
            padding: 10px 14px;
            color: #4f3e45;
            background: rgba(255,255,255,.65);
            border: 1px solid rgba(16,17,20,.13);
            font-size: 13px;
        }

        .hero-meta .data-badge strong {
            color: var(--brand);
        }

        .section {
            padding: 82px 0;
        }

        .section-compact {
            padding: 62px 0;
        }

        .section-header {
            display: flex;
            align-items: end;
            justify-content: space-between;
            gap: 30px;
            margin-bottom: 32px;
        }

        .section-header p {
            max-width: 620px;
            margin-bottom: 0;
            color: var(--muted);
        }

        .section-note {
            padding-left: 16px;
            border-left: 2px solid var(--brand);
        }

        .filter-shell {
            position: sticky;
            top: 14px;
            z-index: 10;
            padding: 20px;
            margin-top: -24px;
            background: rgba(29, 32, 39, .96);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
        }

        .filter-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 15px;
            margin-bottom: 14px;
        }

        .filter-title {
            margin: 0;
            font-size: 16px;
            font-weight: 800;
        }

        .filter-count {
            color: var(--muted);
            font-size: 13px;
        }

        .filter-chips {
            display: flex;
            align-items: center;
            gap: 9px;
            overflow-x: auto;
            padding-bottom: 2px;
            scrollbar-width: none;
        }

        .filter-chips::-webkit-scrollbar {
            display: none;
        }

        .filter-btn {
            min-height: 38px;
            padding: 8px 14px;
            flex: 0 0 auto;
            color: #c9cbd1;
            background: #14161a;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
        }

        .filter-btn:hover {
            color: #fff;
            border-color: rgba(225, 92, 132, .55);
        }

        .filter-btn.active {
            color: #fff;
            background: var(--gradient);
            border-color: transparent;
        }

        .content-flow {
            display: grid;
            gap: 20px;
        }

        .entry-card {
            position: relative;
            overflow: hidden;
            padding: 29px;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: 0 12px 34px rgba(0,0,0,.14);
        }

        .entry-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 24px;
            bottom: 24px;
            width: 4px;
            background: var(--gradient);
            border-radius: 0 4px 4px 0;
        }

        .entry-card:hover {
            border-color: rgba(225, 92, 132, .34);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .entry-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 28px;
        }

        .entry-index {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 13px;
            color: #d47a96;
            font-size: 12px;
            font-weight: 800;
        }

        .entry-index::after {
            content: "";
            width: 40px;
            height: 1px;
            background: rgba(212,122,150,.42);
        }

        .entry-card h3 {
            margin-bottom: 10px;
        }

        .entry-card p {
            max-width: 760px;
            margin-bottom: 17px;
            color: var(--muted);
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            padding: 7px 10px;
            color: #c9cbd1;
            background: rgba(255,255,255,.045);
            border: 1px solid var(--border);
            font-size: 12px;
        }

        .tag.warning {
            color: #f7d99f;
            background: rgba(245,158,11,.08);
            border-color: rgba(245,158,11,.2);
        }

        .entry-side {
            min-width: 164px;
            display: grid;
            justify-items: end;
            gap: 13px;
        }

        .status-badge {
            padding: 8px 11px;
            color: #a8e8ba;
            background: rgba(80,200,120,.08);
            border: 1px solid rgba(80,200,120,.2);
            font-size: 12px;
        }

        .status-badge::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 0 4px rgba(80,200,120,.1);
        }

        .entry-action {
            min-width: 138px;
            color: #fff;
            background: rgba(165,30,58,.12);
            border-color: rgba(225,92,132,.34);
        }

        .entry-action:hover {
            color: #fff;
            background: var(--gradient);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .entry-time {
            color: #858a94;
            font-size: 12px;
        }

        .pagination {
            gap: 8px;
            margin: 30px 0 0;
            justify-content: center;
        }

        .page-link {
            min-width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #d5d6da;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: 12px !important;
            font-weight: 700;
            box-shadow: none;
        }

        .page-link:hover,
        .page-link:focus {
            color: #fff;
            background: rgba(165,30,58,.14);
            border-color: rgba(225,92,132,.4);
            box-shadow: none;
        }

        .page-item.active .page-link {
            color: #fff;
            background: var(--gradient);
            border-color: transparent;
        }

        .explain-band {
            color: var(--text-dark);
            background: var(--paper);
        }

        .explain-panel {
            display: grid;
            grid-template-columns: .84fr 1.16fr;
            gap: 52px;
            align-items: center;
        }

        .explain-copy p {
            margin-bottom: 0;
            color: var(--muted-dark);
        }

        .check-list {
            display: grid;
            gap: 12px;
        }

        .check-item {
            display: grid;
            grid-template-columns: 40px 1fr;
            gap: 14px;
            padding: 18px;
            background: rgba(255,255,255,.58);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
        }

        .check-number {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            color: #fff;
            background: var(--gradient);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 800;
        }

        .check-item strong {
            display: block;
            margin-bottom: 3px;
        }

        .check-item span {
            color: var(--muted-dark);
            font-size: 14px;
        }

        .metric-board {
            position: relative;
            overflow: hidden;
            padding: 34px;
            background: var(--panel-strong);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
        }

        .metric-board::after {
            content: "ACCESS / FILTER";
            position: absolute;
            right: 20px;
            top: 16px;
            color: rgba(255,255,255,.08);
            font-size: 11px;
            font-weight: 800;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .metric {
            min-height: 128px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 18px;
            background: #181a20;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }

        .metric:nth-child(2),
        .metric:nth-child(4) {
            background: linear-gradient(145deg, rgba(165,30,58,.18), rgba(124,45,90,.08));
        }

        .metric-label {
            color: var(--muted);
            font-size: 12px;
            font-weight: 700;
        }

        .metric-value {
            font-size: 25px;
            font-weight: 800;
        }

        .metric-small {
            color: #858a94;
            font-size: 12px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 20px;
        }

        .related-card {
            position: relative;
            min-height: 230px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 29px;
            overflow: hidden;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
        }

        .related-card.featured {
            background:
                linear-gradient(135deg, rgba(165,30,58,.2), rgba(124,45,90,.08)),
                var(--panel);
        }

        .related-card:hover {
            border-color: rgba(225,92,132,.4);
            transform: translateY(-3px);
        }

        .related-card p {
            max-width: 600px;
            color: var(--muted);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: #ef9bb5;
            font-weight: 800;
        }

        .text-link:hover {
            color: #fff;
            gap: 13px;
        }

        .faq-wrap {
            max-width: 920px;
            margin-inline: auto;
        }

        .accordion {
            display: grid;
            gap: 12px;
            --bs-accordion-bg: transparent;
            --bs-accordion-border-color: transparent;
            --bs-accordion-btn-focus-box-shadow: none;
        }

        .accordion-item {
            overflow: hidden;
            color: var(--text);
            background: var(--panel);
            border: 1px solid var(--border) !important;
            border-radius: 18px !important;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--brand) !important;
        }

        .accordion-button {
            min-height: 70px;
            padding: 20px 23px;
            color: var(--text);
            background: transparent;
            font-weight: 800;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            color: #fff;
            background: rgba(165,30,58,.08);
        }

        .accordion-button::after {
            width: 20px;
            height: 20px;
            background-image: none;
            content: "+";
            display: grid;
            place-items: center;
            color: #e9a0b6;
            font-size: 22px;
            line-height: 1;
            transform: none;
        }

        .accordion-button:not(.collapsed)::after {
            content: "−";
            transform: none;
        }

        .accordion-body {
            padding: 0 23px 22px;
            color: var(--muted);
        }

        .cta-section {
            padding: 40px 0 84px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            padding: 46px;
            background: var(--gradient);
            border: 1px solid rgba(255,255,255,.16);
            border-radius: var(--radius-xl);
            box-shadow: 0 25px 65px rgba(89,26,56,.3);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 14px;
            pointer-events: none;
            border: 1px solid rgba(255,255,255,.12);
            border-radius: 18px;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 34px;
        }

        .cta-content h2 {
            margin-bottom: 10px;
        }

        .cta-content p {
            max-width: 680px;
            margin-bottom: 0;
            color: rgba(255,255,255,.8);
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: 10px;
        }

        .cta-panel .btn-brand {
            color: var(--brand-dark);
            background: #fff;
            box-shadow: 0 12px 28px rgba(0,0,0,.18);
        }

        .cta-panel .btn-brand:hover {
            color: var(--brand);
            background: var(--paper);
        }

        .cta-panel .btn-outline {
            color: #fff;
            border-color: rgba(255,255,255,.4);
            background: rgba(16,17,20,.14);
        }

        .cta-panel .btn-outline:hover {
            background: rgba(16,17,20,.28);
            border-color: #fff;
        }

        .cta-compliance {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-top: 26px;
            padding-top: 20px;
            color: rgba(255,255,255,.72);
            border-top: 1px solid rgba(255,255,255,.16);
            font-size: 13px;
        }

        .site-footer {
            padding: 62px 0 24px;
            background: #0b0c0e;
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr .75fr .75fr;
            gap: 56px;
            padding-bottom: 42px;
        }

        .footer-title {
            margin-bottom: 15px;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
        }

        .footer-text {
            max-width: 540px;
            margin-bottom: 0;
            color: #8f949e;
            font-size: 14px;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            width: fit-content;
            color: #aeb2bb;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .copyright {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 22px;
            color: #747983;
            border-top: 1px solid var(--border);
            font-size: 12px;
        }

        @media (max-width: 991.98px) {
            h1 {
                font-size: 38px;
            }

            .section {
                padding: 68px 0;
            }

            .filter-shell {
                position: relative;
                top: auto;
            }

            .explain-panel,
            .related-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1.2fr .8fr .8fr;
                gap: 30px;
            }

            .cta-content {
                grid-template-columns: 1fr;
            }

            .cta-actions {
                justify-content: flex-start;
            }
        }

        @media (max-width: 767.98px) {
            .site-container {
                width: min(calc(100% - 28px), var(--container));
            }

            .header-main {
                min-height: 72px;
                gap: 12px;
            }

            .brand {
                max-width: calc(100% - 132px);
                font-size: 15px;
            }

            .brand-mark {
                width: 27px;
                height: 27px;
                flex-basis: 27px;
            }

            .brand-mark::before {
                width: 15px;
                left: 5px;
                top: 12px;
            }

            .brand-mark::after {
                height: 15px;
                left: 12px;
                top: 5px;
            }

            .age-badge {
                display: none;
            }

            .header-actions .btn-brand {
                min-height: 40px;
                padding: 9px 14px;
                font-size: 13px;
            }

            .segmented-nav {
                margin-right: -14px;
                padding-right: 22px;
            }

            .breadcrumb-wrap {
                min-height: 44px;
            }

            .hero-inner {
                padding: 42px 0 48px;
            }

            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 26px;
            }

            .hero-summary {
                font-size: 16px;
            }

            .section,
            .section-compact {
                padding: 54px 0;
            }

            .section-header {
                display: block;
                margin-bottom: 24px;
            }

            .section-note {
                margin-top: 16px;
            }

            .filter-shell {
                padding: 17px;
                margin-top: -18px;
                border-radius: 17px;
            }

            .entry-card {
                padding: 23px 21px 23px 25px;
                border-radius: 20px;
            }

            .entry-grid {
                grid-template-columns: 1fr;
                gap: 19px;
            }

            .entry-side {
                min-width: 0;
                grid-template-columns: auto 1fr;
                align-items: center;
                justify-items: start;
            }

            .entry-action {
                width: 100%;
                grid-column: 1 / -1;
            }

            .entry-time {
                justify-self: end;
            }

            .metric-board {
                padding: 22px;
                border-radius: 20px;
            }

            .related-card {
                min-height: 210px;
                padding: 23px;
                border-radius: 20px;
            }

            .cta-section {
                padding: 26px 0 58px;
            }

            .cta-panel {
                padding: 30px 24px;
                border-radius: 21px;
            }

            .cta-actions {
                display: grid;
                grid-template-columns: 1fr;
            }

            .cta-actions a {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }

            .copyright {
                display: grid;
            }
        }

        @media (max-width: 519.98px) {
            body {
                font-size: 15px;
            }

            .site-container {
                width: min(calc(100% - 22px), var(--container));
            }

            .brand {
                max-width: calc(100% - 102px);
            }

            .brand-text {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }

            .header-actions .btn-brand {
                padding-inline: 12px;
            }

            .btn-chip {
                min-height: 38px;
                padding: 8px 12px;
                font-size: 13px;
            }

            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 23px;
            }

            .hero-meta {
                display: grid;
                grid-template-columns: 1fr;
            }

            .hero-meta .data-badge {
                width: fit-content;
            }

            .filter-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 2px;
            }

            .entry-side {
                grid-template-columns: 1fr;
            }

            .entry-time {
                justify-self: start;
            }

            .metric-grid {
                grid-template-columns: 1fr 1fr;
                gap: 9px;
            }

            .metric {
                min-height: 112px;
                padding: 14px;
            }

            .metric-value {
                font-size: 21px;
            }

            .check-item {
                grid-template-columns: 36px 1fr;
                padding: 15px;
            }

            .check-number {
                width: 36px;
                height: 36px;
            }

            .accordion-button {
                padding: 18px;
                font-size: 15px;
            }

            .accordion-body {
                padding: 0 18px 19px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-grid > div:first-child {
                grid-column: auto;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #101114;
            --bg-deep: #0b0c0f;
            --surface: #181a20;
            --surface-2: #202229;
            --surface-3: #272a32;
            --primary: #a51e3a;
            --primary-light: #c42d50;
            --secondary: #7c2d5a;
            --accent: #f59e0b;
            --text: #f6f1ea;
            --text-soft: #c8c6c5;
            --muted: #8c929e;
            --border: rgba(255, 255, 255, 0.09);
            --border-strong: rgba(255, 255, 255, 0.16);
            --brand-gradient: linear-gradient(135deg, #b52442 0%, #8f2852 50%, #631d46 100%);
            --radius-lg: 26px;
            --radius-md: 18px;
            --radius-sm: 12px;
            --shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
            --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.22);
            --container: 1220px;
            --transition: 180ms ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            min-width: 320px;
            color: var(--text);
            background:
                linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
                var(--bg);
            background-size: 38px 38px;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        button,
        input,
        select {
            font: inherit;
        }

        button,
        a {
            -webkit-tap-highlight-color: transparent;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.55);
            outline-offset: 3px;
        }

        .site-container {
            width: min(calc(100% - 40px), var(--container));
            margin-inline: auto;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(16, 17, 20, 0.94);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
            backdrop-filter: blur(14px);
        }

        .header-main {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 13px;
            min-width: 0;
            font-size: 19px;
            font-weight: 800;
            line-height: 1.25;
        }

        .brand:hover {
            color: #fff;
        }

        .brand-mark {
            position: relative;
            flex: 0 0 32px;
            width: 32px;
            height: 32px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            background: var(--brand-gradient);
            box-shadow: 0 0 0 6px rgba(165, 30, 58, 0.12);
        }

        .brand-mark::before,
        .brand-mark::after {
            content: "";
            position: absolute;
            background: rgba(255, 255, 255, 0.8);
        }

        .brand-mark::before {
            width: 18px;
            height: 1px;
            left: 6px;
            top: 15px;
        }

        .brand-mark::after {
            width: 1px;
            height: 18px;
            left: 15px;
            top: 6px;
        }

        .brand-text {
            overflow-wrap: anywhere;
        }

        .header-actions {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 12px;
            flex: 0 0 auto;
        }

        .age-badge,
        .status-badge,
        .data-badge,
        .tag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .age-badge {
            min-height: 38px;
            padding: 7px 13px;
            color: #f7d59c;
            background: rgba(245, 158, 11, 0.09);
            border: 1px solid rgba(245, 158, 11, 0.25);
            font-size: 13px;
            font-weight: 700;
        }

        .status-dot,
        .mini-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            flex: 0 0 7px;
            border-radius: 50%;
            background: #54d38a;
            box-shadow: 0 0 0 4px rgba(84, 211, 138, 0.1);
        }

        .btn-brand,
        .btn-outline-custom {
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 10px 20px;
            border-radius: 999px;
            border: 1px solid transparent;
            font-weight: 700;
            line-height: 1.2;
            cursor: pointer;
        }

        .btn-brand {
            color: #fff;
            background: var(--brand-gradient);
            box-shadow: 0 10px 25px rgba(165, 30, 58, 0.28);
        }

        .btn-brand:hover {
            color: #fff;
            transform: translateY(-2px);
            filter: brightness(1.08);
            box-shadow: 0 15px 32px rgba(165, 30, 58, 0.4);
        }

        .btn-brand:active,
        .btn-outline-custom:active {
            transform: translateY(0);
        }

        .btn-outline-custom {
            color: var(--text);
            background: rgba(255, 255, 255, 0.035);
            border-color: var(--border-strong);
        }

        .btn-outline-custom:hover {
            color: #fff;
            background: rgba(165, 30, 58, 0.12);
            border-color: rgba(196, 45, 80, 0.6);
            transform: translateY(-2px);
        }

        .nav-row {
            padding: 0 0 13px;
            overflow: hidden;
        }

        .segmented-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px;
            overflow-x: auto;
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid var(--border);
            border-radius: 16px;
            scrollbar-width: none;
        }

        .segmented-nav::-webkit-scrollbar {
            display: none;
        }

        .btn-chip {
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 8px 16px;
            color: var(--text-soft);
            background: transparent;
            border: 1px solid transparent;
            border-radius: 11px;
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
        }

        .btn-chip:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border);
        }

        .btn-chip.active {
            color: #fff;
            background: var(--brand-gradient);
            border-color: rgba(255, 255, 255, 0.12);
            box-shadow: 0 8px 18px rgba(124, 45, 90, 0.24);
        }

        .btn-chip.active .mini-dot {
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.15);
        }

        main {
            overflow: hidden;
        }

        .inner-hero {
            position: relative;
            padding: 66px 0 76px;
            border-bottom: 1px solid var(--border);
        }

        .inner-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background:
                linear-gradient(135deg, rgba(165, 30, 58, 0.2), transparent 42%),
                repeating-linear-gradient(135deg, transparent 0, transparent 22px, rgba(255, 255, 255, 0.015) 22px, rgba(255, 255, 255, 0.015) 23px);
        }

        .inner-hero .site-container {
            position: relative;
        }

        .breadcrumb {
            --bs-breadcrumb-divider-color: var(--muted);
            --bs-breadcrumb-item-active-color: var(--text-soft);
            margin-bottom: 28px;
            font-size: 13px;
        }

        .breadcrumb-item a {
            color: var(--muted);
        }

        .breadcrumb-item a:hover {
            color: #fff;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 17px;
            color: #f0b8c5;
            font-size: 13px;
            font-weight: 800;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--brand-gradient);
        }

        h1,
        h2,
        h3,
        p {
            margin-top: 0;
        }

        h1 {
            max-width: 900px;
            margin-bottom: 20px;
            font-size: 44px;
            line-height: 1.22;
            font-weight: 800;
            letter-spacing: 0;
        }

        h2 {
            margin-bottom: 14px;
            font-size: 31px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: 0;
        }

        h3 {
            font-size: 19px;
            line-height: 1.45;
            font-weight: 750;
            letter-spacing: 0;
        }

        .hero-summary {
            max-width: 780px;
            margin-bottom: 28px;
            color: var(--text-soft);
            font-size: 17px;
            line-height: 1.85;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .option-panel {
            height: 100%;
            padding: 24px;
            background: rgba(24, 26, 32, 0.86);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }

        .option-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 17px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 800;
        }

        .option-card {
            position: relative;
            display: block;
            padding: 18px;
            color: var(--text);
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: 16px;
        }

        .option-card + .option-card {
            margin-top: 11px;
        }

        .option-card:hover {
            color: #fff;
            border-color: rgba(196, 45, 80, 0.52);
            transform: translateX(3px);
        }

        .option-card.recommended {
            padding-left: 21px;
            background: linear-gradient(120deg, rgba(165, 30, 58, 0.25), rgba(32, 34, 41, 0.95));
            border-color: rgba(196, 45, 80, 0.55);
        }

        .option-card.recommended::before {
            content: "";
            position: absolute;
            top: 12px;
            bottom: 12px;
            left: 0;
            width: 3px;
            border-radius: 0 3px 3px 0;
            background: var(--brand-gradient);
        }

        .option-name {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 5px;
            font-weight: 800;
        }

        .option-note {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.6;
        }

        .recommend-mark {
            padding: 4px 9px;
            color: #fff;
            background: var(--brand-gradient);
            border-radius: 999px;
            font-size: 11px;
            white-space: nowrap;
        }

        .section {
            padding: 82px 0;
        }

        .section-alt {
            background: rgba(8, 9, 12, 0.42);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            max-width: 710px;
            margin-bottom: 34px;
        }

        .section-kicker {
            display: block;
            margin-bottom: 10px;
            color: #e29bab;
            font-size: 12px;
            font-weight: 800;
        }

        .section-head p,
        .panel-intro,
        .content-copy {
            color: var(--muted);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }

        .metric-card {
            position: relative;
            min-height: 142px;
            padding: 22px;
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow-soft);
        }

        .metric-card::after {
            content: "";
            position: absolute;
            right: -16px;
            bottom: -16px;
            width: 62px;
            height: 62px;
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 50%;
        }

        .metric-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 255, 255, 0.17);
        }

        .metric-number {
            margin-bottom: 7px;
            font-size: 28px;
            line-height: 1;
            font-weight: 800;
        }

        .metric-label {
            margin-bottom: 7px;
            color: var(--text-soft);
            font-weight: 700;
        }

        .metric-note {
            color: var(--muted);
            font-size: 12px;
        }

        .index-panel,
        .side-panel,
        .explain-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
        }

        .index-panel {
            padding: 30px;
        }

        .index-toolbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-bottom: 22px;
            margin-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .filter-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .filter-chips::-webkit-scrollbar {
            display: none;
        }

        .filter-chip {
            min-height: 36px;
            padding: 7px 13px;
            color: var(--muted);
            background: var(--surface-2);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
            cursor: pointer;
        }

        .filter-chip:hover,
        .filter-chip.active {
            color: #fff;
            background: rgba(165, 30, 58, 0.2);
            border-color: rgba(196, 45, 80, 0.5);
        }

        .entry-item {
            position: relative;
            display: grid;
            grid-template-columns: 58px minmax(0, 1fr) auto;
            align-items: center;
            gap: 18px;
            padding: 23px 4px;
            border-bottom: 1px solid var(--border);
        }

        .entry-item:last-child {
            border-bottom: 0;
        }

        .entry-item:hover .entry-title {
            color: #f4b3c2;
        }

        .entry-number {
            width: 48px;
            height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: var(--surface-3);
            border: 1px solid var(--border-strong);
            border-radius: 14px;
            font-size: 13px;
            font-weight: 800;
        }

        .entry-item.featured .entry-number {
            background: var(--brand-gradient);
        }

        .entry-title {
            margin-bottom: 5px;
            transition: color var(--transition);
        }

        .entry-description {
            margin: 0 0 10px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.65;
        }

        .tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }

        .tag {
            min-height: 26px;
            padding: 4px 9px;
            color: var(--text-soft);
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--border);
            font-size: 11px;
            font-weight: 700;
        }

        .tag.warning {
            color: #f7d59c;
            background: rgba(245, 158, 11, 0.08);
            border-color: rgba(245, 158, 11, 0.2);
        }

        .entry-action {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #edb0be;
            font-size: 13px;
            font-weight: 800;
            white-space: nowrap;
        }

        .entry-action:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .side-panel {
            padding: 26px;
        }

        .side-panel + .side-panel {
            margin-top: 18px;
        }

        .side-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-bottom: 15px;
            margin-bottom: 17px;
            border-bottom: 1px solid var(--border);
        }

        .side-title h3 {
            margin: 0;
        }

        .status-badge {
            min-height: 28px;
            padding: 4px 10px;
            color: #b9f3d0;
            background: rgba(84, 211, 138, 0.08);
            border: 1px solid rgba(84, 211, 138, 0.2);
            font-size: 11px;
            font-weight: 800;
        }

        .timeline {
            position: relative;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .timeline::before {
            content: "";
            position: absolute;
            top: 8px;
            bottom: 14px;
            left: 5px;
            width: 1px;
            background: var(--border-strong);
        }

        .timeline li {
            position: relative;
            padding-left: 27px;
            padding-bottom: 21px;
        }

        .timeline li:last-child {
            padding-bottom: 0;
        }

        .timeline li::before {
            content: "";
            position: absolute;
            top: 7px;
            left: 1px;
            width: 9px;
            height: 9px;
            background: var(--primary-light);
            border: 2px solid var(--surface);
            border-radius: 50%;
            box-shadow: 0 0 0 3px rgba(196, 45, 80, 0.18);
        }

        .timeline-time {
            display: block;
            margin-bottom: 4px;
            color: #e6a6b5;
            font-size: 11px;
            font-weight: 800;
        }

        .timeline-text {
            color: var(--text-soft);
            font-size: 13px;
            line-height: 1.65;
        }

        .check-list {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .check-list li {
            position: relative;
            padding: 10px 0 10px 28px;
            color: var(--text-soft);
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
        }

        .check-list li:last-child {
            border-bottom: 0;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 10px;
            color: #55d48c;
            font-weight: 800;
        }

        .compare-wrap {
            overflow-x: auto;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-soft);
        }

        .compare-table {
            min-width: 720px;
            margin: 0;
            color: var(--text);
            --bs-table-bg: transparent;
            --bs-table-color: var(--text);
            --bs-table-border-color: var(--border);
        }

        .compare-table thead th {
            padding: 19px 22px;
            color: var(--text-soft);
            background: rgba(255, 255, 255, 0.035);
            border-bottom-width: 1px;
            font-size: 13px;
        }

        .compare-table tbody td {
            padding: 20px 22px;
            color: var(--muted);
            vertical-align: middle;
            font-size: 14px;
        }

        .compare-table tbody td:first-child {
            color: var(--text);
            font-weight: 750;
        }

        .compare-table tbody tr:hover td {
            background: rgba(165, 30, 58, 0.045);
        }

        .data-badge {
            min-height: 29px;
            padding: 5px 10px;
            color: #f2b9c6;
            background: rgba(165, 30, 58, 0.12);
            border: 1px solid rgba(196, 45, 80, 0.3);
            font-size: 11px;
            font-weight: 800;
        }

        .explain-panel {
            padding: 34px;
        }

        .explain-rule {
            display: grid;
            grid-template-columns: 42px minmax(0, 1fr);
            gap: 16px;
            padding: 19px 0;
            border-bottom: 1px solid var(--border);
        }

        .explain-rule:last-child {
            border-bottom: 0;
        }

        .rule-icon {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: var(--brand-gradient);
            border-radius: 13px;
            font-size: 12px;
            font-weight: 800;
        }

        .explain-rule h3 {
            margin-bottom: 4px;
        }

        .explain-rule p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
        }

        .accordion {
            --bs-accordion-bg: transparent;
            --bs-accordion-border-color: transparent;
            --bs-accordion-btn-focus-box-shadow: none;
            --bs-accordion-active-bg: transparent;
            --bs-accordion-active-color: #fff;
        }

        .accordion-item {
            margin-bottom: 12px;
            overflow: hidden;
            color: var(--text);
            background: var(--surface);
            border: 1px solid var(--border) !important;
            border-radius: 18px !important;
            box-shadow: var(--shadow-soft);
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--primary-light) !important;
        }

        .accordion-button {
            padding: 20px 22px;
            color: var(--text);
            background: transparent;
            font-weight: 750;
            line-height: 1.5;
        }

        .accordion-button:not(.collapsed) {
            color: #fff;
            background: rgba(165, 30, 58, 0.08);
            box-shadow: inset 0 -1px 0 var(--border);
        }

        .accordion-button::after {
            filter: invert(1) grayscale(1);
            opacity: 0.72;
        }

        .accordion-body {
            padding: 18px 22px 22px;
            color: var(--muted);
            line-height: 1.8;
        }

        .cta-section {
            padding: 30px 0 88px;
        }

        .cta-panel {
            position: relative;
            padding: 42px;
            overflow: hidden;
            background: var(--brand-gradient);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 28px;
            box-shadow: 0 28px 70px rgba(94, 22, 55, 0.34);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background:
                repeating-linear-gradient(135deg, transparent 0, transparent 24px, rgba(255, 255, 255, 0.035) 24px, rgba(255, 255, 255, 0.035) 25px);
        }

        .cta-panel > .row {
            position: relative;
        }

        .cta-panel h2 {
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-panel p {
            max-width: 700px;
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.78);
        }

        .cta-panel .btn-light {
            min-height: 48px;
            padding: 11px 22px;
            color: #6c1e45;
            background: #fff;
            border: 0;
            border-radius: 999px;
            font-weight: 800;
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
        }

        .cta-panel .btn-light:hover {
            color: #501431;
            background: #fff7f9;
            transform: translateY(-2px);
        }

        .cta-panel .btn-ghost {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 22px;
            color: #fff;
            background: rgba(0, 0, 0, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.32);
            border-radius: 999px;
            font-weight: 800;
        }

        .cta-panel .btn-ghost:hover {
            color: #fff;
            background: rgba(0, 0, 0, 0.24);
            border-color: rgba(255, 255, 255, 0.58);
            transform: translateY(-2px);
        }

        .site-footer {
            padding: 64px 0 25px;
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 52px;
            padding-bottom: 42px;
        }

        .footer-title {
            margin-bottom: 15px;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
        }

        .footer-text {
            max-width: 500px;
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #f0afbd;
            transform: translateX(2px);
        }

        .copyright {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 23px;
            color: #6f747e;
            border-top: 1px solid var(--border);
            font-size: 12px;
        }

        @media (max-width: 1199.98px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            h1 {
                font-size: 39px;
            }
        }

        @media (max-width: 991.98px) {
            .inner-hero {
                padding: 52px 0 62px;
            }

            .option-panel {
                margin-top: 30px;
            }

            .section {
                padding: 66px 0;
            }

            .side-column {
                margin-top: 22px;
            }

            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .site-container {
                width: min(calc(100% - 28px), var(--container));
            }

            .header-main {
                min-height: 68px;
                gap: 12px;
            }

            .brand {
                font-size: 15px;
                gap: 10px;
            }

            .brand-mark {
                flex-basis: 28px;
                width: 28px;
                height: 28px;
            }

            .brand-mark::before {
                width: 16px;
                left: 5px;
                top: 13px;
            }

            .brand-mark::after {
                height: 16px;
                left: 13px;
                top: 5px;
            }

            .age-badge {
                display: none;
            }

            .header-actions .btn-brand {
                min-height: 38px;
                padding: 8px 14px;
                font-size: 13px;
            }

            .segmented-nav {
                margin-right: -14px;
                border-radius: 14px 0 0 14px;
            }

            .btn-chip {
                min-height: 38px;
                padding: 7px 13px;
                font-size: 13px;
            }

            h1 {
                font-size: 32px;
            }

            h2 {
                font-size: 26px;
            }

            .hero-summary {
                font-size: 16px;
            }

            .section {
                padding: 54px 0;
            }

            .metrics-grid {
                gap: 11px;
            }

            .metric-card {
                min-height: 128px;
                padding: 18px;
            }

            .metric-number {
                font-size: 24px;
            }

            .index-panel,
            .side-panel,
            .explain-panel {
                padding: 21px;
                border-radius: 21px;
            }

            .index-toolbar {
                display: block;
            }

            .index-toolbar h3 {
                margin-bottom: 14px;
            }

            .entry-item {
                grid-template-columns: 48px minmax(0, 1fr);
                gap: 13px;
                padding: 20px 0;
            }

            .entry-action {
                grid-column: 2;
                justify-self: start;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }

            .copyright {
                align-items: flex-start;
                flex-direction: column;
                gap: 7px;
            }

            .cta-panel {
                padding: 30px 24px;
            }

            .cta-actions {
                margin-top: 24px;
            }
        }

        @media (max-width: 519.98px) {
            .brand-text {
                max-width: 172px;
                font-size: 13px;
            }

            .inner-hero {
                padding: 38px 0 48px;
            }

            .breadcrumb {
                margin-bottom: 22px;
            }

            h1 {
                font-size: 28px;
                overflow-wrap: anywhere;
            }

            h2 {
                font-size: 23px;
            }

            .hero-actions {
                display: grid;
                grid-template-columns: 1fr;
            }

            .hero-actions a {
                width: 100%;
            }

            .option-panel {
                padding: 19px;
                border-radius: 21px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .metric-card {
                min-height: auto;
            }

            .entry-item {
                grid-template-columns: 40px minmax(0, 1fr);
            }

            .entry-number {
                width: 40px;
                height: 40px;
                border-radius: 12px;
            }

            .explain-rule {
                grid-template-columns: 36px minmax(0, 1fr);
                gap: 12px;
            }

            .rule-icon {
                width: 36px;
                height: 36px;
            }

            .accordion-button {
                padding: 17px 18px;
                font-size: 14px;
            }

            .accordion-body {
                padding: 16px 18px 19px;
                font-size: 14px;
            }

            .cta-panel {
                border-radius: 22px;
            }

            .cta-actions {
                display: grid !important;
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-grid > div:first-child {
                grid-column: auto;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                transition-duration: 0.01ms !important;
            }
        }