/* roulang page: index */
:root{
      --bg: #f4efe6;
      --bg-2: #ebe3d5;
      --surface: #fffaf3;
      --surface-2: #f7f1e7;
      --ink: #111111;
      --muted: #6a6257;
      --line: #ddd3c6;
      --accent: #c8ff3d;
      --accent-2: #d7a25f;
      --accent-3: #b5844f;
      --warning-bg: #f7edd9;
      --warning-line: #d7b06c;
      --shadow: 0 16px 36px rgba(21, 18, 10, .08);
      --shadow-soft: 0 8px 22px rgba(21, 18, 10, .06);
      --radius: 14px;
      --radius-lg: 24px;
      --radius-xl: 30px;
      --container: 1280px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at top left, rgba(200,255,61,.14), transparent 24%),
        radial-gradient(circle at top right, rgba(215,162,95,.12), transparent 26%),
        linear-gradient(180deg, #f9f5ee 0%, var(--bg) 40%, #f0e8dc 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    ::selection { background: var(--accent); color: #111; }
    .container {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      top: 12px;
      z-index: 1000;
      background: var(--ink);
      color: var(--surface);
      padding: 12px 16px;
      border-radius: 999px;
    }
    .skip-link:focus { left: 12px; }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(244, 239, 230, .94);
      border-bottom: 1px solid var(--line);
      backdrop-filter: saturate(120%);
    }

    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      color: var(--ink);
    }
    .brand-mark {
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(145deg, var(--accent) 0%, #f0ffb4 100%);
      color: #101010;
      display: grid;
      place-items: center;
      font-weight: 900;
      letter-spacing: .04em;
      box-shadow: 0 8px 18px rgba(200, 255, 61, .26);
      flex: none;
    }
    .brand-text { min-width: 0; }
    .brand-title {
      display: block;
      font-size: 1.02rem;
      font-weight: 900;
      letter-spacing: .01em;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-sub {
      display: block;
      margin-top: 2px;
      color: var(--muted);
      font-size: .84rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--surface);
      border: 1px solid var(--line);
      color: var(--ink);
      box-shadow: var(--shadow-soft);
      cursor: pointer;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .nav-toggle:hover { transform: translateY(-1px); border-color: #cfc3b0; }
    .nav-toggle:focus-visible {
      outline: 3px solid rgba(200,255,61,.35);
      outline-offset: 2px;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 4px;
      flex-wrap: wrap;
    }
    .site-nav a {
      position: relative;
      padding: 11px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 700;
      transition: background .22s ease, color .22s ease, transform .22s ease, box-shadow .22s ease;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible {
      background: var(--surface);
      color: var(--ink);
      transform: translateY(-1px);
      outline: none;
      box-shadow: var(--shadow-soft);
    }
    .site-nav a.active {
      color: var(--surface);
      background: var(--ink);
      box-shadow: var(--shadow-soft);
    }
    .site-nav a.active::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 7px;
      height: 2px;
      border-radius: 999px;
      background: var(--accent);
    }

    .status-bar {
      border-top: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.52), rgba(255,255,255,.18));
    }
    .status-inner {
      min-height: 46px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 8px 0;
      flex-wrap: wrap;
    }
    .status-list {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--surface);
      border: 1px solid var(--line);
      color: var(--muted);
      font-size: .88rem;
      box-shadow: 0 6px 16px rgba(21, 18, 10, .04);
    }
    .pill strong { color: var(--ink); }
    .pill-accent {
      background: rgba(200,255,61,.16);
      border-color: rgba(120, 150, 20, .22);
      color: #3e4c08;
    }

    .hero {
      padding: 28px 0 8px;
      scroll-margin-top: 100px;
    }
    .hero-shell {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-xl);
      border: 1px solid rgba(255,255,255,.16);
      background:
        linear-gradient(90deg, rgba(13,13,13,.92) 0%, rgba(13,13,13,.83) 44%, rgba(13,13,13,.58) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow: var(--shadow);
      color: #f7f2e7;
    }
    .hero-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 20%, rgba(200,255,61,.18), transparent 24%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,.06), transparent 18%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 26px;
      padding: clamp(28px, 4vw, 56px);
      align-items: stretch;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(200,255,61,.12);
      border: 1px solid rgba(200,255,61,.22);
      color: #eaff99;
      font-size: .88rem;
      font-weight: 700;
      letter-spacing: .03em;
    }
    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(200,255,61,.12);
    }
    .hero h1 {
      margin: 16px 0 14px;
      font-size: clamp(2.28rem, 5vw, 4.7rem);
      line-height: 1.04;
      letter-spacing: -.04em;
      max-width: 12ch;
    }
    .hero p {
      margin: 0;
      max-width: 64ch;
      color: rgba(247, 242, 231, .84);
      font-size: 1.04rem;
      line-height: 1.8;
    }
    .hero-copy { padding-right: 10px; }

    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid transparent;
      cursor: pointer;
      font-weight: 800;
      transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease;
      will-change: transform;
    }
    .btn:focus-visible {
      outline: 3px solid rgba(200,255,61,.35);
      outline-offset: 2px;
    }
    .btn-primary {
      background: var(--ink);
      color: var(--surface);
      box-shadow: 0 10px 22px rgba(0,0,0,.18);
    }
    .btn-primary:hover {
      background: var(--accent);
      color: var(--ink);
      transform: translateY(-1px);
    }
    .btn-secondary {
      background: transparent;
      color: #f7f2e7;
      border-color: rgba(255,255,255,.24);
    }
    .btn-secondary:hover {
      background: rgba(255,255,255,.10);
      border-color: rgba(255,255,255,.36);
      transform: translateY(-1px);
    }
    .btn-dark {
      background: var(--surface);
      color: var(--ink);
      border-color: rgba(17,17,17,.08);
    }
    .btn-dark:hover {
      background: rgba(215, 162, 95, .16);
      border-color: rgba(215, 162, 95, .3);
      transform: translateY(-1px);
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.14);
      color: rgba(247, 242, 231, .92);
      font-size: .9rem;
      transition: background .2s ease, transform .2s ease, border-color .2s ease;
    }
    .tag:hover {
      background: rgba(255,255,255,.14);
      transform: translateY(-1px);
      border-color: rgba(255,255,255,.2);
    }

    .hero-panel {
      display: grid;
      gap: 14px;
      align-content: start;
    }
    .hero-image-card,
    .data-card {
      border-radius: 22px;
      overflow: hidden;
      background: rgba(250, 247, 239, .96);
      color: var(--ink);
      border: 1px solid rgba(255,255,255,.34);
      box-shadow: var(--shadow-soft);
    }
    .hero-image-card img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }
    .hero-image-card .img-caption {
      padding: 14px 16px 16px;
      color: var(--muted);
      font-size: .9rem;
      border-top: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.95));
    }

    .data-card {
      padding: 18px;
    }
    .data-top {
      display: flex;
      align-items: start;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }
    .data-top h2 {
      margin: 0;
      font-size: 1.02rem;
      line-height: 1.4;
    }
    .label-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(200,255,61,.18);
      color: #435101;
      font-size: .8rem;
      font-weight: 800;
      flex: none;
    }
    .scoreboard {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 14px 0 12px;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }
    .score-big {
      font-size: clamp(2.8rem, 7vw, 4.6rem);
      font-weight: 900;
      line-height: .9;
      letter-spacing: -.05em;
    }
    .team-stack {
      min-width: 0;
    }
    .team-stack .team {
      font-weight: 800;
      font-size: 1.02rem;
    }
    .team-stack .meta {
      margin-top: 4px;
      color: var(--muted);
      font-size: .88rem;
    }
    .match-state {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 8px;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(200,255,61,.14);
      color: #425000;
      font-size: .82rem;
      font-weight: 800;
    }
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
      margin-top: 14px;
    }
    .stat {
      padding: 13px 14px;
      border-radius: 16px;
      background: #fff;
      border: 1px solid var(--line);
    }
    .stat span {
      display: block;
      color: var(--muted);
      font-size: .84rem;
      margin-bottom: 5px;
    }
    .stat strong {
      font-size: 1rem;
      line-height: 1.45;
    }
    .data-note {
      margin-top: 12px;
      color: var(--muted);
      font-size: .86rem;
      line-height: 1.7;
    }

    .section {
      padding: clamp(58px, 7vw, 112px) 0;
      scroll-margin-top: 108px;
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 20px;
      margin-bottom: 26px;
      flex-wrap: wrap;
    }
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #6a5c44;
      font-size: .88rem;
      font-weight: 800;
      letter-spacing: .08em;
      text-transform: uppercase;
    }
    .section-kicker::before {
      content: "";
      width: 34px;
      height: 2px;
      border-radius: 999px;
      background: var(--accent-2);
    }
    .section-title {
      margin: 8px 0 0;
      font-size: clamp(1.6rem, 2.5vw, 2.5rem);
      line-height: 1.15;
      letter-spacing: -.03em;
    }
    .section-desc {
      margin: 0;
      max-width: 66ch;
      color: var(--muted);
      line-height: 1.8;
    }

    .mini-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }
    .mini-links a {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--surface);
      border: 1px solid var(--line);
      color: var(--ink);
      font-size: .88rem;
      font-weight: 700;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .mini-links a:hover {
      transform: translateY(-1px);
      border-color: #cbbda6;
      background: #fffefc;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }
    .metric-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 22px;
      padding: 22px;
      box-shadow: var(--shadow-soft);
      position: relative;
      overflow: hidden;
    }
    .metric-card::after {
      content: "";
      position: absolute;
      inset: auto -14px -14px auto;
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(200,255,61,.32), rgba(200,255,61,0));
      pointer-events: none;
    }
    .metric-num {
      font-size: 2rem;
      font-weight: 900;
      letter-spacing: -.04em;
      margin-bottom: 6px;
    }
    .metric-label {
      color: var(--muted);
      font-size: .92rem;
    }
    .metric-foot {
      margin-top: 16px;
      color: var(--muted);
      font-size: .86rem;
      line-height: 1.7;
    }

    .timeline-wrap {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 22px;
      align-items: start;
    }
    .timeline {
      position: relative;
      padding-left: 28px;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 9px;
      top: 14px;
      bottom: 14px;
      width: 2px;
      background: linear-gradient(180deg, var(--accent-2), rgba(215,162,95,0));
    }
    .timeline-item {
      position: relative;
      padding: 18px 18px 18px 20px;
      margin-bottom: 14px;
      border-radius: 18px;
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }
    .timeline-item::before {
      content: "";
      position: absolute;
      left: -23px;
      top: 24px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent);
      border: 3px solid var(--bg);
    }
    .timeline-item h3 {
      margin: 0 0 8px;
      font-size: 1.08rem;
    }
    .timeline-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: .9rem;
      margin-bottom: 10px;
    }
    .timeline-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .timeline-meta span::before {
      content: "·";
      color: var(--accent-3);
      font-weight: 900;
    }
    .timeline-meta span:first-child::before { content: ""; }
    .timeline-item p {
      margin: 0;
      color: var(--muted);
    }

    .side-note {
      padding: 24px;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: linear-gradient(180deg, #fff, #f5efe3);
      box-shadow: var(--shadow-soft);
    }
    .side-note h3 {
      margin: 0 0 12px;
      font-size: 1.12rem;
    }
    .side-note ul {
      list-style: none;
      margin: 14px 0 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }
    .side-note li {
      padding-left: 18px;
      position: relative;
      color: var(--muted);
    }
    .side-note li::before {
      content: "";
      position: absolute;
      left: 0;
      top: .8em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent-2);
      transform: translateY(-50%);
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.3fr .85fr .85fr;
      gap: 20px;
      align-items: stretch;
    }
    .content-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 22px;
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      min-height: 100%;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .content-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: #cfc1aa;
    }
    .content-card.media img {
      width: 100%;
      aspect-ratio: 16 / 10;
      object-fit: cover;
    }
    .content-card .body {
      padding: 18px;
      display: grid;
      gap: 12px;
      flex: 1;
    }
    .content-tag {
      display: inline-flex;
      width: fit-content;
      min-height: 30px;
      align-items: center;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(215,162,95,.16);
      color: #7d5428;
      font-size: .8rem;
      font-weight: 800;
    }
    .content-card h3 {
      margin: 0;
      font-size: 1.22rem;
      line-height: 1.35;
    }
    .content-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.75;
    }
    .content-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-size: .88rem;
    }
    .content-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 0;
    }
    .content-meta span::before {
      content: "•";
      color: var(--accent-3);
    }
    .content-meta span:first-child::before { content: ""; }
    .card-footer {
      padding: 0 18px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--ink);
      font-weight: 800;
    }
    .card-link::after {
      content: "→";
      transition: transform .2s ease;
    }
    .content-card:hover .card-link::after { transform: translateX(3px); }
    .content-card.feature {
      grid-row: span 2;
    }

    .filter-panel {
      border-radius: 22px;
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      padding: 18px;
    }
    .filter-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }
    .field {
      display: grid;
      gap: 8px;
    }
    .field label {
      font-size: .92rem;
      font-weight: 800;
      color: var(--ink);
    }
    .field input,
    .field select {
      width: 100%;
      min-height: 46px;
      padding: 0 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
      color: var(--ink);
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .field input::placeholder {
      color: #9d9386;
    }
    .field input:focus,
    .field select:focus {
      border-color: #b4c43d;
      box-shadow: 0 0 0 4px rgba(200,255,61,.16);
    }
    .filter-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: 14px;
    }

    .history-table {
      overflow: auto;
      border-radius: 22px;
      border: 1px solid var(--line);
      background: var(--surface);
      box-shadow: var(--shadow-soft);
    }
    table {
      width: 100%;
      min-width: 980px;
      border-collapse: separate;
      border-spacing: 0;
    }
    thead th {
      text-align: left;
      position: sticky;
      top: 0;
      background: #f7f2e8;
      color: var(--muted);
      font-size: .9rem;
      padding: 16px 14px;
      border-bottom: 1px solid var(--line);
      z-index: 1;
    }
    tbody td {
      padding: 16px 14px;
      border-bottom: 1px solid var(--line);
      vertical-align: top;
    }
    tbody tr:hover td { background: #fffefc; }
    .table-tag {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(200,255,61,.14);
      color: #445408;
      font-size: .8rem;
      font-weight: 800;
    }
    .table-muted { color: var(--muted); }
    .table-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 800;
      color: var(--ink);
    }

    .accordion {
      display: grid;
      gap: 14px;
    }
    .accordion details {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 18px;
      box-shadow: var(--shadow-soft);
      overflow: hidden;
    }
    .accordion details[open] {
      border-color: rgba(17,17,17,.18);
    }
    .accordion summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 66px;
      padding: 0 18px;
      font-weight: 800;
    }
    .accordion summary::-webkit-details-marker { display: none; }
    .accordion summary::after {
      content: "＋";
      color: var(--muted);
      font-size: 1rem;
      flex: none;
    }
    .accordion details[open] summary::after {
      content: "－";
    }
    .accordion .answer {
      padding: 0 18px 18px;
      color: var(--muted);
      line-height: 1.8;
    }

    .cta-band {
      border-radius: 28px;
      padding: 28px;
      background: linear-gradient(135deg, #171717 0%, #232323 100%);
      color: #f7f2e7;
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: var(--shadow);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
    }
    .cta-band h2 {
      margin: 0 0 8px;
      font-size: 1.6rem;
      line-height: 1.2;
    }
    .cta-band p {
      margin: 0;
      max-width: 66ch;
      color: rgba(247,242,231,.78);
      line-height: 1.8;
    }
    .cta-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cta-band .btn-secondary {
      border-color: rgba(255,255,255,.24);
    }
    .cta-band .btn-secondary:hover {
      background: rgba(255,255,255,.08);
    }

    .risk-box {
      border-radius: 22px;
      padding: 18px;
      background: var(--warning-bg);
      border: 1px solid var(--warning-line);
      color: #5c471f;
      box-shadow: var(--shadow-soft);
    }
    .risk-box p {
      margin: 0;
      line-height: 1.8;
    }

    .site-footer {
      margin-top: 18px;
      padding: 46px 0 30px;
      background: #eee6d8;
      border-top: 1px solid var(--line);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr repeat(3, minmax(0, 1fr));
      gap: 20px;
      align-items: start;
    }
    .footer-brand .brand-title {
      font-size: 1.1rem;
    }
    .footer-brand p {
      margin: 14px 0 0;
      color: var(--muted);
      line-height: 1.8;
    }
    .footer-col h3 {
      margin: 0 0 14px;
      font-size: 1rem;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      transition: color .2s ease, transform .2s ease;
    }
    .footer-links a:hover {
      color: var(--ink);
      transform: translateX(2px);
    }
    .footer-bottom {
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      display: flex;
      gap: 14px;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      color: var(--muted);
      font-size: .92rem;
    }

    .policy-strip {
      margin-top: 20px;
      padding: 16px 18px;
      border-radius: 18px;
      background: #f8f3e8;
      border: 1px solid var(--line);
      color: var(--muted);
      line-height: 1.8;
    }

    .anchor-link {
      scroll-margin-top: 110px;
    }

    .note-inline {
      color: var(--muted);
      font-size: .9rem;
      line-height: 1.7;
    }

    @media (max-width: 1180px) {
      .matrix-grid { grid-template-columns: 1fr 1fr; }
      .content-card.feature { grid-column: span 2; grid-row: auto; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 1024px) {
      .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .timeline-wrap { grid-template-columns: 1fr; }
      .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .header-inner { min-height: 68px; }
      .nav-toggle { display: inline-flex; }
      .site-nav {
        display: none;
        width: 100%;
        padding: 10px 0 16px;
        justify-content: flex-start;
      }
      .site-header.nav-open .site-nav {
        display: flex;
      }
      .site-header.nav-open .header-inner {
        flex-wrap: wrap;
        padding-bottom: 10px;
      }
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 18px;
        padding: 22px;
      }
      .hero h1 { max-width: 100%; }
      .hero-actions .btn { width: 100%; }
      .hero-actions { gap: 10px; }
      .matrix-grid { grid-template-columns: 1fr; }
      .content-card.feature { grid-column: auto; }
      .filter-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .cta-band { padding: 22px; }
    }

    @media (max-width: 520px) {
      .container { width: min(calc(100% - 20px), var(--container)); }
      .brand-mark { width: 40px; height: 40px; border-radius: 13px; }
      .brand-title { font-size: .98rem; }
      .brand-sub { font-size: .8rem; }
      .status-inner { gap: 8px; }
      .pill { font-size: .82rem; }
      .hero { padding-top: 20px; }
      .hero-shell { border-radius: 22px; }
      .hero h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
      .hero p { font-size: .98rem; }
      .scoreboard { grid-template-columns: 1fr; gap: 10px; }
      .score-big { font-size: 3.2rem; }
      .stat-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: 1fr; }
      .section { padding: 52px 0; }
      .section-title { font-size: 1.5rem; }
      .accordion summary { padding: 0 14px; min-height: 62px; }
      .accordion .answer { padding: 0 14px 16px; }
      .cta-actions .btn { width: 100%; }
      .cta-band { border-radius: 22px; }
      .site-footer { padding: 38px 0 26px; }
      .footer-bottom { align-items: flex-start; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
      }
    }

/* roulang page: category1 */
:root{
      --ink:#202421;
      --ink-soft:#56605a;
      --paper:#f6f4ee;
      --surface:#fffefa;
      --surface-2:#ecebe3;
      --line:#d9d8cd;
      --lime:#c8f34a;
      --lime-deep:#9cbd26;
      --clay:#a56f4e;
      --amber:#d9a64d;
      --dark:#20251f;
      --radius:12px;
      --shadow:0 12px 30px rgba(30,34,29,.08);
      --container:1240px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:auto}
    .site-header{background:var(--surface);border-bottom:1px solid var(--line);position:relative;z-index:5}
    .header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:245px}
    .brand-mark{width:43px;height:43px;border-radius:10px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-weight:900;letter-spacing:-1px}
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-title{font-size:17px;font-weight:800;letter-spacing:.02em}
    .brand-sub{font-size:11px;color:var(--ink-soft);margin-top:4px}
    .site-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
    .site-nav a{padding:9px 12px;color:var(--ink-soft);font-size:13px;border-bottom:2px solid transparent;transition:.2s}
    .site-nav a:hover,.site-nav a:focus{color:var(--ink);background:var(--surface-2)}
    .site-nav a.active{color:var(--ink);font-weight:800;border-color:var(--lime-deep)}
    .nav-toggle{display:none;border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 10px}
    .status-bar{background:var(--dark);color:#d9dfd2;font-size:12px}
    .status-inner{min-height:37px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .status-list{display:flex;gap:18px;flex-wrap:wrap}
    .pill{display:inline-flex;align-items:center;gap:5px;color:#bfc8bc}
    .pill-accent strong{color:var(--lime)}
    .hero{min-height:440px;background:linear-gradient(90deg,rgba(27,31,27,.94),rgba(27,31,27,.72)),url('/assets/images/backpic/back-2.webp') center/cover;display:flex;align-items:center;color:#fff;padding:74px 0}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--lime-deep);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
    .hero h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.04em;max-width:720px;margin:16px 0 20px}
    .hero p{color:#d9dfd7;max-width:650px;font-size:17px}
    .hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
    .btn{min-height:44px;padding:10px 18px;border-radius:8px;border:1px solid var(--ink);display:inline-flex;align-items:center;justify-content:center;font-weight:700;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
    .btn-primary:hover{background:#e0ff88;transform:translateY(-2px)}
    .btn-outline{background:transparent;color:var(--ink)}
    .hero .btn-outline{border-color:#9da79b;color:#fff}
    .hero .btn-outline:hover{background:#fff;color:var(--ink)}
    .data-panel{background:rgba(255,254,250,.96);color:var(--ink);padding:24px;border-left:4px solid var(--lime);border-radius:var(--radius);box-shadow:var(--shadow)}
    .panel-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:17px}
    .panel-head strong{font-size:17px}
    .history-tag,.tag{font-size:11px;padding:4px 8px;border-radius:5px;background:#e5edc5;color:#526615;font-weight:800}
    .data-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #ecebe3;color:var(--ink-soft)}
    .data-row b{color:var(--ink);font-weight:700}
    main{padding-bottom:80px}
    .section{padding:86px 0 0}
    .section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:28px}
    .section-heading h2{font-size:clamp(25px,3vw,38px);line-height:1.2;margin-top:8px;letter-spacing:-.03em}
    .section-heading p{max-width:520px;color:var(--ink-soft)}
    .filter-box{background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:var(--radius);display:flex;align-items:end;gap:14px;flex-wrap:wrap;box-shadow:0 5px 18px rgba(30,34,29,.04)}
    .field{display:flex;flex-direction:column;gap:6px;min-width:155px;flex:1}
    .field label{font-size:12px;font-weight:800;color:var(--ink-soft)}
    .field select,.field input{height:42px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:0 11px;color:var(--ink);outline:none}
    .field select:focus,.field input:focus{border-color:var(--lime-deep);box-shadow:0 0 0 3px rgba(200,243,74,.25)}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .filter-tag{border:1px solid var(--line);background:var(--surface);padding:7px 13px;border-radius:20px;font-size:12px;transition:.2s}
    .filter-tag:hover,.filter-tag.selected{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
    .feature-card{display:grid;grid-template-columns:42% 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:25px}
    .feature-card img{width:100%;height:100%;min-height:235px;object-fit:cover}
    .feature-copy{padding:31px 34px;border-top:3px solid var(--clay)}
    .feature-copy h3{font-size:25px;line-height:1.3;margin:14px 0 10px}
    .feature-copy p{color:var(--ink-soft);margin-bottom:20px}
    .meta{display:flex;flex-wrap:wrap;gap:13px;color:#7a817a;font-size:12px;margin-bottom:19px}
    .content-layout{display:grid;grid-template-columns:1fr 285px;gap:28px;align-items:start}
    .record-list{display:grid;gap:13px}
    .record{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:19px;background:var(--surface);border:1px solid var(--line);border-radius:10px;transition:.2s}
    .record:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b9c98d}
    .record-date{font-family:ui-monospace,monospace;font-size:13px;color:var(--clay);font-weight:700}
    .record h3{font-size:17px;line-height:1.35;margin:5px 0}
    .record p{font-size:12px;color:var(--ink-soft)}
    .record .btn{font-size:12px;padding:7px 11px;min-height:36px;white-space:nowrap}
    .index-card{background:var(--dark);color:#e8eee4;border-radius:var(--radius);padding:24px;position:sticky;top:20px}
    .index-card h3{font-size:19px;margin-bottom:17px}
    .index-card a{display:flex;justify-content:space-between;border-bottom:1px solid #465048;padding:11px 0;color:#c9d1c5;font-size:13px}
    .index-card a:hover{color:var(--lime)}
    .index-card span{color:#879187}
    .stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stage{background:var(--surface);border:1px solid var(--line);padding:22px;border-radius:10px;position:relative}
    .stage:before{content:"";position:absolute;left:0;top:0;width:38px;height:3px;background:var(--lime-deep)}
    .stage b{font-size:27px;font-family:ui-monospace,monospace}
    .stage h3{font-size:16px;margin:8px 0}
    .stage p{font-size:13px;color:var(--ink-soft)}
    .faq-list{max-width:900px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:19px 0}
    summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:15px}
    summary:after{content:"+";font-size:22px;color:var(--clay)}
    details[open] summary:after{content:"−"}
    details p{color:var(--ink-soft);max-width:800px;padding:13px 35px 0 0}
    .notice{margin-top:75px;background:#f5ecd9;border:1px solid #d4b87f;border-left:5px solid var(--amber);padding:24px;border-radius:10px;color:#59472b}
    .notice strong{display:block;color:#403321;margin-bottom:5px}
    .cta{margin-top:72px;background:var(--lime);border-radius:var(--radius);padding:36px 42px;display:flex;justify-content:space-between;align-items:center;gap:24px}
    .cta h2{font-size:27px;line-height:1.3;margin-bottom:7px}
    .cta p{color:#4e5c29}
    .footer{background:var(--dark);color:#c8d0c4;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:35px;padding-bottom:38px}
    .footer h3{color:#fff;font-size:16px;margin-bottom:14px}
    .footer p,.footer a{font-size:13px;color:#aeb8ac}
    .footer a{display:block;margin:7px 0;transition:.2s}
    .footer a:hover{color:var(--lime)}
    .footer-brand{color:#fff!important;font-size:18px!important;font-weight:800;margin-bottom:12px}
    .copyright{border-top:1px solid #465048;padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:#8f9a8e}
    @media(max-width:1024px){
      .site-nav a{padding:8px 7px;font-size:12px}
      .hero-grid{gap:35px}
      .content-layout{grid-template-columns:1fr}
      .index-card{position:static}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--container))}
      .header-inner{min-height:70px}
      .nav-toggle{display:block}
      .site-nav{display:none;position:absolute;left:16px;right:16px;top:70px;background:var(--surface);padding:10px;border:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .site-nav.open{display:flex}
      .site-nav a{padding:12px;border-bottom:1px solid var(--line)}
      .status-inner{padding:9px 0;align-items:flex-start;flex-direction:column;gap:3px}
      .status-list{gap:7px 14px}
      .hero{padding:58px 0}
      .hero-grid{grid-template-columns:1fr}
      .hero h1{font-size:39px}
      .hero p{font-size:15px}
      .section{padding-top:62px}
      .section-heading{display:block}
      .section-heading p{margin-top:13px}
      .feature-card{grid-template-columns:1fr}
      .feature-card img{height:210px}
      .record{grid-template-columns:1fr;gap:7px}
      .record .btn{width:max-content}
      .stage-grid{grid-template-columns:repeat(2,1fr)}
      .cta{display:block;padding:28px}
      .cta .btn{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .brand{min-width:0}
      .brand-sub{display:none}
      .brand-title{font-size:15px}
      .hero h1{font-size:33px}
      .hero-actions .btn{width:100%}
      .filter-box{display:block}
      .field{margin-bottom:12px}
      .filter-box .btn{width:100%}
      .stage-grid,.footer-grid{grid-template-columns:1fr}
      .feature-copy{padding:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
    }