/* roulang page: index */
:root {
      --bg: #061018;
      --bg-2: #08131d;
      --panel: rgba(10, 19, 29, 0.84);
      --panel-strong: rgba(13, 24, 37, 0.96);
      --line: rgba(255, 255, 255, 0.10);
      --line-strong: rgba(255, 255, 255, 0.16);
      --text: #f4f7fb;
      --muted: #a7b3c2;
      --muted-2: #738293;
      --accent: #28d7c3;
      --accent-2: #8c7dff;
      --accent-3: #ffa34d;
      --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
      --radius: 0.5rem;
      --gap: 1.5rem;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      background:
        linear-gradient(180deg, rgba(7, 17, 25, 0.94), rgba(5, 10, 16, 0.98)),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 88px),
        repeating-linear-gradient(180deg, rgba(255,255,255,0.02) 0, rgba(255,255,255,0.02) 1px, transparent 1px, transparent 88px);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }

    * {
      box-sizing: border-box;
    }

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: rgba(40, 215, 195, 0.28);
      color: #fff;
    }

    .container-shell {
      width: min(1180px, calc(100% - 2rem));
      margin: 0 auto;
    }

    .glass-nav {
      background: rgba(8, 16, 24, 0.56);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
    }

    .glass-nav.is-scrolled {
      background: rgba(6, 12, 18, 0.96);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
    }

    .panel {
      background: linear-gradient(180deg, rgba(13, 24, 37, 0.90), rgba(8, 17, 27, 0.92));
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: var(--shadow);
      border-radius: var(--radius);
    }

    .panel-soft {
      background: linear-gradient(180deg, rgba(13, 24, 37, 0.72), rgba(7, 15, 23, 0.84));
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius);
    }

    .label {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      padding: .35rem .65rem;
      border-radius: 999px;
      border: 1px solid rgba(40, 215, 195, 0.22);
      background: rgba(40, 215, 195, 0.08);
      color: #8ef1e7;
      font-size: .78rem;
      font-weight: 600;
      letter-spacing: 0;
    }

    .subtle-label {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      padding: .3rem .6rem;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.09);
      background: rgba(255,255,255,0.04);
      color: #c6d0dc;
      font-size: .77rem;
    }

    .heading {
      font-weight: 800;
      letter-spacing: 0;
      line-height: 1.08;
      color: #fff;
    }

    .section-kicker {
      color: #95a7ba;
      font-size: .88rem;
      font-weight: 600;
      letter-spacing: 0;
    }

    .section-title {
      font-size: clamp(1.6rem, 2.1vw, 2.2rem);
      font-weight: 800;
      line-height: 1.1;
      color: #f7fbff;
      letter-spacing: 0;
    }

    .section-copy {
      color: var(--muted);
      max-width: 60rem;
    }

    .icon-btn,
    .primary-btn,
    .secondary-btn {
      transition: transform .18s ease, border-color .18s ease, background-color .18s ease, box-shadow .18s ease, color .18s ease, opacity .18s ease;
    }

    .icon-btn:hover,
    transform: translateY(-1px);
    border-color: rgba(40, 215, 195, 0.34);
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.18);
  }

    .primary-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      border-radius: .5rem;
      padding: .9rem 1.15rem;
      font-weight: 700;
      color: #061018;
      background: linear-gradient(135deg, #7df8e9 0%, #34d6c6 45%, #57b3ff 100%);
      border: 1px solid rgba(255,255,255,0.08);
      box-shadow: 0 10px 28px rgba(40, 215, 195, 0.18);
    }

    .primary-btn:hover,
    .primary-btn:focus-visible {
      transform: translateY(-1px);
      box-shadow: 0 16px 32px rgba(40, 215, 195, 0.24);
    }

    .secondary-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      border-radius: .5rem;
      padding: .9rem 1.15rem;
      font-weight: 700;
      color: #e9f2fb;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255,255,255,0.14);
    }

    .secondary-btn:hover,
    .secondary-btn:focus-visible {
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(138, 166, 255, 0.38);
      transform: translateY(-1px);
    }

    .icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: .5rem;
      width: 2.55rem;
      height: 2.55rem;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.10);
      color: #dce7f4;
    }

    .icon-btn:hover,
    .icon-btn:focus-visible {
      background: rgba(255,255,255,0.07);
      border-color: rgba(40, 215, 195, 0.3);
      transform: translateY(-1px);
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      color: #d6e0eb;
      font-weight: 600;
      font-size: .94rem;
      padding: .45rem .15rem;
      transition: color .18s ease, opacity .18s ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: #ffffff;
    }

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -.1rem;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, #7df8e9, #8c7dff);
    }

    .hero {
      position: relative;
      padding-top: 7.2rem;
      padding-bottom: 2.5rem;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, rgba(40, 215, 195, 0.10), transparent 35%),
        linear-gradient(310deg, rgba(140, 125, 255, 0.10), transparent 40%),
        linear-gradient(180deg, rgba(255,255,255,0.02), transparent 34%);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 1.25rem;
      align-items: stretch;
    }

    .hero-copy {
      padding: 1.4rem;
    }

    .hero-title {
      font-size: clamp(2.25rem, 4vw, 4.6rem);
      font-weight: 900;
      line-height: .96;
      letter-spacing: 0;
      margin: .85rem 0 1rem;
    }

    .hero-lead {
      font-size: 1.02rem;
      color: var(--muted);
      max-width: 36rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: .75rem;
      margin-top: 1.45rem;
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: .75rem;
      margin-top: 1.3rem;
    }

    .point {
      padding: .8rem .85rem;
      border-radius: .45rem;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      min-height: 4.3rem;
    }

    .point strong {
      display: block;
      color: #ffffff;
      font-size: 1.02rem;
      line-height: 1.1;
    }

    .point span {
      display: block;
      color: var(--muted);
      font-size: .85rem;
      margin-top: .25rem;
    }

    .hero-side {
      display: grid;
      gap: .95rem;
      align-content: start;
    }

    .hero-board {
      padding: 1rem;
      position: relative;
      overflow: hidden;
    }

    .hero-board::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: var(--radius);
      pointer-events: none;
      background: linear-gradient(135deg, rgba(125,248,233,0.10), transparent 40%, rgba(140,125,255,0.10));
      opacity: .7;
    }

    .board-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: .75rem;
      margin-bottom: .85rem;
    }

    .board-title {
      font-size: 1rem;
      font-weight: 800;
      color: #fff;
    }

    .board-mini {
      color: var(--muted);
      font-size: .82rem;
    }

    .task-list {
      display: grid;
      gap: .7rem;
      margin-top: .4rem;
    }

    .task {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: .75rem;
      align-items: center;
      padding: .78rem .8rem;
      border-radius: .45rem;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
    }

    .task strong {
      display: block;
      color: #fff;
      font-size: .95rem;
    }

    .task span {
      display: block;
      color: var(--muted);
      font-size: .82rem;
      margin-top: .14rem;
    }

    .task-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      border-radius: .45rem;
      background: linear-gradient(135deg, rgba(125,248,233,0.2), rgba(140,125,255,0.24));
      border: 1px solid rgba(255,255,255,0.12);
      color: #fff;
      font-weight: 800;
      flex: none;
    }

    .progress-wrap {
      display: grid;
      gap: .8rem;
    }

    .progress-item {
      display: grid;
      gap: .35rem;
    }

    .progress-head {
      display: flex;
      justify-content: space-between;
      gap: .8rem;
      color: #dfe8f2;
      font-size: .84rem;
    }

    .progress-track {
      height: .55rem;
      border-radius: 999px;
      background: rgba(255,255,255,0.07);
      overflow: hidden;
    }

    .progress-bar {
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, #28d7c3, #8c7dff, #ffa34d);
      box-shadow: 0 0 18px rgba(40, 215, 195, 0.26);
    }

    .section {
      padding: 2rem 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .section-head p {
      max-width: 42rem;
      color: var(--muted);
      margin: .5rem 0 0;
    }

    .grid-5 {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: .9rem;
    }

    .feature-card,
    .metric-card,
    .case-card,
    .step-card,
    .news-card,
    .contact-card,
    .faq-item {
      border-radius: .5rem;
    }

    .feature-card {
      padding: 1rem;
      background: linear-gradient(180deg, rgba(15, 27, 40, 0.93), rgba(9, 18, 28, 0.96));
      border: 1px solid rgba(255,255,255,0.08);
      min-height: 12.4rem;
    }

    .feature-card:nth-child(2n) {
      transform: translateY(8px);
    }

    .feature-card:nth-child(3n) {
      min-height: 13.4rem;
    }

    .feature-icon {
      width: 2.35rem;
      height: 2.35rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: .45rem;
      background: rgba(40, 215, 195, 0.08);
      border: 1px solid rgba(40, 215, 195, 0.18);
      color: #8ef1e7;
      margin-bottom: .8rem;
    }

    .feature-card h3,
    .metric-card h3,
    .case-card h3,
    .step-card h3,
    .news-card h3,
    .contact-card h3 {
      color: #fff;
      font-size: 1.02rem;
      font-weight: 800;
      line-height: 1.22;
      margin: 0 0 .45rem;
    }

    .feature-card p,
    .metric-card p,
    .case-card p,
    .step-card p,
    .news-card p,
    .contact-card p {
      color: var(--muted);
      font-size: .9rem;
      margin: 0;
    }

    .feature-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 1rem;
      padding-top: .85rem;
      border-top: 1px solid rgba(255,255,255,0.08);
      color: #c7d4e2;
      font-size: .8rem;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: .9rem;
      align-items: stretch;
    }

    .metrics {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: .9rem;
    }

    .metric-card {
      padding: 1rem;
      background: linear-gradient(180deg, rgba(14, 26, 38, 0.94), rgba(9, 17, 27, 0.95));
      border: 1px solid rgba(255,255,255,0.08);
      min-height: 11rem;
    }

    .metric-value {
      font-size: 2rem;
      line-height: 1;
      font-weight: 900;
      margin-bottom: .45rem;
      background: linear-gradient(135deg, #f7fbff 0%, #7df8e9 35%, #8c7dff 100%);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .metric-bar {
      margin-top: .85rem;
    }

    .metric-bar .progress-track {
      height: .62rem;
    }

    .metric-side {
      padding: 1rem;
    }

    .ring {
      width: 8rem;
      height: 8rem;
      border-radius: 50%;
      background:
        radial-gradient(circle at center, rgba(10,18,28,0.96) 0 54%, transparent 55%),
        conic-gradient(#28d7c3 0 72%, rgba(255,255,255,0.08) 72% 100%);
      display: grid;
      place-items: center;
      margin-bottom: .9rem;
      border: 1px solid rgba(255,255,255,0.08);
    }

    .ring strong {
      display: block;
      text-align: center;
      font-size: 1.35rem;
      color: #fff;
      line-height: 1;
      font-weight: 900;
    }

    .ring span {
      display: block;
      text-align: center;
      font-size: .72rem;
      color: var(--muted);
      margin-top: .2rem;
    }

    .case-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: .9rem;
    }

    .case-card {
      padding: 1rem;
      background: linear-gradient(180deg, rgba(12, 22, 34, 0.95), rgba(7, 14, 22, 0.98));
      border: 1px solid rgba(255,255,255,0.08);
      min-height: 14rem;
      position: relative;
      overflow: hidden;
    }

    .case-card::after {
      content: "";
      position: absolute;
      inset: auto -10% -18% auto;
      width: 8rem;
      height: 8rem;
      background: linear-gradient(135deg, rgba(40,215,195,0.16), rgba(140,125,255,0.2));
      border-radius: .5rem;
      transform: rotate(12deg);
      filter: blur(2px);
      opacity: .55;
    }

    .case-head {
      display: flex;
      justify-content: space-between;
      gap: .75rem;
      align-items: start;
      margin-bottom: .75rem;
      position: relative;
      z-index: 1;
    }

    .case-tag {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      padding: .26rem .55rem;
      border-radius: 999px;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
      color: #d6e0eb;
      font-size: .76rem;
      white-space: nowrap;
    }

    .case-list {
      display: grid;
      gap: .55rem;
      position: relative;
      z-index: 1;
    }

    .case-list li {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: .55rem;
      align-items: start;
      color: #dce6f1;
      font-size: .89rem;
    }

    .case-list li::before {
      content: "•";
      color: #7df8e9;
      font-weight: 800;
      line-height: 1.2;
    }

    .split-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: .9rem;
      margin-top: .9rem;
      position: relative;
      z-index: 1;
    }

    .split-item {
      padding: .72rem .8rem;
      border-radius: .45rem;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
    }

    .split-item strong {
      display: block;
      font-size: .82rem;
      color: #fff;
      margin-bottom: .22rem;
    }

    .split-item span {
      color: var(--muted);
      font-size: .8rem;
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: .9rem;
    }

    .news-list {
      display: grid;
      gap: .7rem;
    }

    .news-card {
      padding: .95rem 1rem;
      background: linear-gradient(180deg, rgba(14, 25, 37, 0.95), rgba(9, 17, 27, 0.95));
      border: 1px solid rgba(255,255,255,0.08);
    }

    .news-row {
      display: flex;
      justify-content: space-between;
      gap: .75rem;
      align-items: center;
      margin-bottom: .45rem;
    }

    .news-row a {
      color: #fff;
      font-weight: 700;
    }

    .news-row a:hover {
      color: #7df8e9;
    }

    .news-date {
      color: #8ea0b2;
      font-size: .78rem;
      flex: none;
    }

    .news-side {
      padding: 1rem;
      display: grid;
      align-content: start;
      gap: .8rem;
    }

    .notice {
      padding: .85rem .9rem;
      border-radius: .45rem;
      background: rgba(40, 215, 195, 0.07);
      border: 1px solid rgba(40, 215, 195, 0.16);
      color: #dff8f4;
      font-size: .88rem;
    }

    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: .9rem;
    }

    .step-card {
      padding: 1rem;
      background: linear-gradient(180deg, rgba(12, 22, 34, 0.94), rgba(8, 15, 24, 0.96));
      border: 1px solid rgba(255,255,255,0.08);
      min-height: 12.5rem;
    }

    .step-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      border-radius: .45rem;
      background: linear-gradient(135deg, rgba(255,163,77,0.18), rgba(140,125,255,0.22));
      border: 1px solid rgba(255,255,255,0.10);
      color: #fff;
      font-weight: 800;
      margin-bottom: .8rem;
    }

    .step-card ul {
      margin: .75rem 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: .45rem;
    }

    .step-card li {
      display: flex;
      gap: .45rem;
      align-items: start;
      color: #d9e4ef;
      font-size: .87rem;
    }

    .step-card li::before {
      content: "◆";
      color: #28d7c3;
      font-size: .68rem;
      margin-top: .22rem;
      flex: none;
    }

    .faq-list {
      display: grid;
      gap: .75rem;
    }

    .faq-item {
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.08);
      background: linear-gradient(180deg, rgba(13, 24, 36, 0.93), rgba(8, 16, 25, 0.96));
    }

    .faq-btn {
      width: 100%;
      text-align: left;
      padding: 1rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      color: #fff;
      font-weight: 700;
      background: transparent;
      border: 0;
      cursor: pointer;
    }

    .faq-btn span {
      color: #fff;
    }

    .faq-icon {
      flex: none;
      width: 1.6rem;
      height: 1.6rem;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: .4rem;
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.08);
      color: #cfe0ef;
      transition: transform .18s ease;
    }

    .faq-item[data-open="true"] .faq-icon {
      transform: rotate(180deg);
    }

    .faq-panel {
      padding: 0 1rem 1rem;
      color: var(--muted);
      font-size: .92rem;
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr .8fr;
      gap: .9rem;
    }

    .contact-card {
      padding: 1rem;
      background: linear-gradient(180deg, rgba(14, 25, 36, 0.94), rgba(8, 15, 24, 0.98));
      border: 1px solid rgba(255,255,255,0.08);
    }

    .field {
      display: grid;
      gap: .42rem;
      margin-bottom: .85rem;
    }

    .field label {
      color: #dbe6f1;
      font-size: .86rem;
      font-weight: 600;
    }

    .input,
    .textarea {
      width: 100%;
      border-radius: .45rem;
      border: 1px solid rgba(255,255,255,0.10);
      background: rgba(255,255,255,0.04);
      color: #fff;
      padding: .84rem .9rem;
      outline: none;
      transition: border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
    }

    .textarea {
      min-height: 7.8rem;
      resize: vertical;
    }

    .input::placeholder,
    .textarea::placeholder {
      color: #748698;
    }

    .input:focus,
    .textarea:focus {
      border-color: rgba(40, 215, 195, 0.4);
      box-shadow: 0 0 0 3px rgba(40, 215, 195, 0.14);
      background: rgba(255,255,255,0.05);
    }

    .contact-meta {
      display: grid;
      gap: .7rem;
    }

    .meta-row {
      display: flex;
      justify-content: space-between;
      gap: .8rem;
      align-items: center;
      padding: .75rem .85rem;
      border-radius: .45rem;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
      color: #d8e4ef;
      font-size: .9rem;
    }

    .meta-row strong {
      color: #fff;
    }

    .footer {
      padding: 2rem 0 2.4rem;
      border-top: 1px solid rgba(255,255,255,0.08);
      margin-top: 1rem;
      color: #9caaba;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 1rem;
      align-items: start;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: .75rem 1rem;
      justify-content: flex-end;
    }

    .footer-links a {
      color: #d6e0eb;
      font-size: .9rem;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #7df8e9;
    }

    .divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
      margin: 1rem 0;
    }

    .sticky-actions {
      position: fixed;
      left: 50%;
      bottom: 1rem;
      transform: translateX(-50%);
      z-index: 40;
      display: none;
      gap: .6rem;
      padding: .55rem;
      border-radius: 999px;
      background: rgba(7, 13, 20, 0.84);
      border: 1px solid rgba(255,255,255,0.10);
      backdrop-filter: blur(18px);
    }

    @media (max-width: 1024px) {
      .hero-grid,
      .metric-grid,
      .news-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .grid-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

      .step-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 768px) {
      .container-shell {
        width: min(100% - 1.2rem, 100%);
      }

      .hero {
        padding-top: 6.2rem;
      }

      .hero-copy,
      .hero-board,
      .metric-side,
      .feature-card,
      .metric-card,
      .case-card,
      .step-card,
      .news-card,
      .contact-card {
        padding: .92rem;
      }

      .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
      }

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

      .grid-5,
      .case-grid,
      .step-grid {
        grid-template-columns: 1fr;
      }

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

      .section-head {
        flex-direction: column;
        align-items: start;
      }

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

      .footer-links {
        justify-content: flex-start;
      }

      .desktop-nav {
        display: none;
      }

      .mobile-toggle {
        display: inline-flex;
      }

      .mobile-panel[data-open="false"] {
        display: none;
      }

      .sticky-actions {
        display: inline-flex;
      }
    }

    @media (min-width: 769px) {
      .mobile-toggle,
      .mobile-panel {
        display: none !important;
      }
    }

/* roulang page: category2 */
:root{
      --bg:#05070c;
      --bg-soft:#0a0f18;
      --panel:rgba(10,15,24,.78);
      --panel-strong:rgba(14,20,32,.92);
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(255,255,255,.14);
      --text:#edf3ff;
      --muted:#95a6bb;
      --muted-2:#728299;
      --accent:#34f5c5;
      --accent-2:#7e63ff;
      --accent-3:#ff9f43;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --radius:8px;
      --radius-sm:6px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:
        radial-gradient(1000px 480px at 10% -10%, rgba(126,99,255,.16), transparent 52%),
        radial-gradient(900px 420px at 92% 6%, rgba(52,245,197,.12), transparent 44%),
        linear-gradient(180deg, #06080d 0%, #090d14 30%, #05070c 100%);
      font-family: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
      line-height:1.6;
      letter-spacing:0;
      overflow-x:hidden;
      position:relative;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(to right, rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size: 88px 88px;
      opacity:.22;
      mask-image: linear-gradient(180deg, rgba(0,0,0,.55), transparent 92%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    ::selection{background:rgba(52,245,197,.25);color:#fff}
    :focus-visible{
      outline:2px solid rgba(52,245,197,.9);
      outline-offset:2px;
    }

    .container-shell{
      width:min(1180px, calc(100% - 32px));
      margin:0 auto;
    }
    .glass-nav{
      background:rgba(5,8,14,.55);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      transition: background .25s ease, box-shadow .25s ease, border-color .25s ease;
    }
    .glass-nav.is-scrolled{
      background:rgba(7,10,16,.94);
      box-shadow:0 10px 30px rgba(0,0,0,.24);
      border-color:rgba(255,255,255,.12);
    }
    .nav-link{
      position:relative;
      color:#c9d3e5;
      font-weight:600;
      font-size:.94rem;
      padding:.55rem .1rem;
      transition:color .2s ease, opacity .2s ease;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      left:0;
      bottom:-.15rem;
      width:100%;
      height:2px;
      border-radius:999px;
      transform:scaleX(0);
      transform-origin:left;
      background:linear-gradient(90deg, var(--accent), var(--accent-2));
      transition:transform .22s ease;
      opacity:.95;
    }
    .nav-link:hover,
    .nav-link.active{
      color:#fff;
    }
    .nav-link:hover::after,
    .nav-link.active::after{
      transform:scaleX(1);
    }

    .primary-btn,
    .secondary-btn,
    .icon-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:.55rem;
      border-radius:var(--radius);
      border:1px solid transparent;
      transition:transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
      will-change:transform;
      user-select:none;
    }
    .primary-btn{
      padding:.8rem 1rem;
      color:#04110f;
      font-weight:800;
      background:linear-gradient(135deg, #9ff9e6 0%, #34f5c5 35%, #7e63ff 100%);
      box-shadow:0 10px 30px rgba(52,245,197,.16);
    }
    .primary-btn:hover{transform:translateY(-1px); box-shadow:0 14px 36px rgba(52,245,197,.22)}
    .secondary-btn{
      padding:.76rem .98rem;
      color:#eef4ff;
      font-weight:700;
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
    }
    .secondary-btn:hover{
      transform:translateY(-1px);
      border-color:rgba(52,245,197,.38);
      box-shadow:0 12px 24px rgba(0,0,0,.22);
      background:rgba(52,245,197,.06);
    }
    .icon-btn{
      width:2.6rem;
      height:2.6rem;
      color:#e9f1ff;
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.04);
    }
    .icon-btn:hover{border-color:rgba(52,245,197,.38);background:rgba(52,245,197,.06)}
    .input{
      width:100%;
      min-height:2.75rem;
      color:#edf3ff;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius);
      padding:.78rem .92rem;
      transition:border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .input::placeholder{color:#7f90a5}
    .input:hover,
    .input:focus{
      border-color:rgba(52,245,197,.45);
      background:rgba(255,255,255,.06);
      box-shadow:0 0 0 4px rgba(52,245,197,.08);
    }

    .panel-soft{
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(15,20,30,.88), rgba(11,15,24,.78));
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .page-band{
      padding-top:2.4rem;
      padding-bottom:2.4rem;
    }
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:1rem;
      margin-bottom:1rem;
    }
    .kicker{
      display:inline-flex;
      align-items:center;
      gap:.45rem;
      color:#b8c6da;
      font-size:.82rem;
      font-weight:700;
      letter-spacing:.02em;
      text-transform:none;
    }
    .kicker::before{
      content:"";
      width:.55rem;
      height:.55rem;
      border-radius:999px;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 3px rgba(52,245,197,.12);
    }
    .section-title{
      margin:0;
      font-size:clamp(1.25rem, 1.02rem + .9vw, 1.9rem);
      line-height:1.15;
      letter-spacing:0;
      font-weight:900;
      color:#f5f8ff;
    }
    .section-copy{
      margin:0;
      color:var(--muted);
      max-width:62ch;
      font-size:.96rem;
    }

    .hero-shell{
      padding-top:6.25rem;
      padding-bottom:1rem;
      position:relative;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
    }
    .hero-title{
      font-size:clamp(2rem, 1.6rem + 2.5vw, 4rem);
      line-height:1.02;
      font-weight:900;
      letter-spacing:0;
      color:#fff;
      margin:0;
    }
    .hero-subtitle{
      color:var(--muted);
      margin:1rem 0 0;
      font-size:1rem;
      max-width:60ch;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:.55rem;
      margin-top:1.2rem;
    }
    .subtle-label{
      display:inline-flex;
      align-items:center;
      gap:.35rem;
      padding:.45rem .72rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#dbe6f6;
      font-size:.85rem;
      font-weight:600;
      transition:background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .subtle-label:hover,
    .subtle-label.active{
      border-color:rgba(52,245,197,.34);
      background:rgba(52,245,197,.08);
      color:#fff;
      transform:translateY(-1px);
    }

    .search-shell{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.04);
      border-radius:var(--radius);
      padding:.8rem;
      box-shadow:0 16px 34px rgba(0,0,0,.18);
    }
    .search-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:.75rem;
      align-items:center;
    }

    .metric-tile{
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border-radius:var(--radius);
      padding:1rem;
      min-height:8.1rem;
    }
    .metric-value{
      font-size:1.85rem;
      line-height:1;
      font-weight:900;
      color:#fff;
      margin:0;
    }
    .metric-label{
      margin:.45rem 0 0;
      color:#d9e3f2;
      font-size:.92rem;
      font-weight:700;
    }
    .metric-note{
      margin:.35rem 0 0;
      color:var(--muted);
      font-size:.84rem;
    }
    .bar{
      width:100%;
      height:.45rem;
      border-radius:999px;
      background:rgba(255,255,255,.07);
      overflow:hidden;
    }
    .bar > span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
      box-shadow:0 0 22px rgba(52,245,197,.18);
    }

    .entry-card{
      position:relative;
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(15,20,31,.9), rgba(11,16,25,.78));
      border-radius:var(--radius);
      padding:1rem;
      transition:transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .entry-card:hover{
      transform:translateY(-2px);
      border-color:rgba(52,245,197,.28);
      box-shadow:0 20px 40px rgba(0,0,0,.26);
      background:linear-gradient(180deg, rgba(18,24,37,.94), rgba(11,16,25,.82));
    }
    .entry-card.featured{
      background:
        linear-gradient(180deg, rgba(22,28,40,.98), rgba(10,15,24,.86));
      border-color:rgba(126,99,255,.22);
    }
    .entry-card .meta-line{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:.5rem;
      margin-bottom:.75rem;
    }
    .status-dot{
      width:.5rem;
      height:.5rem;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(52,245,197,.14);
    }
    .entry-title{
      margin:0;
      font-size:1.06rem;
      line-height:1.28;
      font-weight:800;
      color:#fff;
    }
    .entry-copy{
      margin:.55rem 0 0;
      color:#aab8ca;
      font-size:.93rem;
    }
    .entry-foot{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      justify-content:space-between;
      gap:.65rem;
      margin-top:1rem;
      padding-top:.9rem;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .mini-tags{
      display:flex;
      flex-wrap:wrap;
      gap:.45rem;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      gap:.3rem;
      padding:.3rem .52rem;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:#d8e2f2;
      font-size:.78rem;
      font-weight:700;
    }

    .timeline{
      display:grid;
      gap:.85rem;
    }
    .timeline-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:.8rem;
      align-items:start;
      padding:1rem;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .timeline-mark{
      width:.8rem;
      height:.8rem;
      border-radius:999px;
      margin-top:.3rem;
      background:linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow:0 0 0 4px rgba(126,99,255,.12);
    }
    .timeline-title{
      margin:0;
      color:#fff;
      font-size:.94rem;
      font-weight:800;
    }
    .timeline-copy{
      margin:.2rem 0 0;
      color:var(--muted);
      font-size:.86rem;
    }

    .compare-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:1rem;
    }
    .compare-card{
      padding:1rem;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
    }
    .compare-card h3{
      margin:0;
      color:#fff;
      font-size:.95rem;
      font-weight:800;
    }
    .compare-card p{
      margin:.45rem 0 0;
      color:var(--muted);
      font-size:.9rem;
    }

    details.faq-item{
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      border-radius:var(--radius);
      padding:0;
      overflow:hidden;
    }
    details.faq-item + details.faq-item{margin-top:.75rem}
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:1rem 1rem;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:1rem;
      font-weight:800;
      color:#fff;
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    details.faq-item .faq-copy{
      padding:0 1rem 1rem;
      color:var(--muted);
      font-size:.93rem;
      border-top:1px solid rgba(255,255,255,.06);
    }

    .footer{
      margin-top:2rem;
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(5,8,13,.9);
    }
    .footer-grid{
      display:flex;
      justify-content:space-between;
      gap:1.5rem;
      padding:1.7rem 0;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:.9rem 1.1rem;
      max-width:28rem;
    }
    .footer-links a{
      color:#cbd7e8;
      font-size:.92rem;
      font-weight:600;
      transition:color .2s ease;
    }
    .footer-links a:hover{color:#fff}

    .mobile-panel{
      overflow:hidden;
      transition:max-height .25s ease, opacity .2s ease, transform .2s ease;
    }
    .mobile-panel[data-open="false"]{
      max-height:0;
      opacity:0;
      transform:translateY(-4px);
      pointer-events:none;
    }
    .mobile-panel[data-open="true"]{
      max-height:18rem;
      opacity:1;
      transform:translateY(0);
      pointer-events:auto;
    }

    @media (max-width: 1024px){
      .search-grid{grid-template-columns:1fr}
      .compare-grid{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .hero-shell{padding-top:5.7rem}
      .section-head{align-items:start;flex-direction:column}
      .footer-grid{flex-direction:column}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width: 640px){
      .container-shell{width:min(100% - 24px, 1180px)}
      .hero-title{font-size:2.1rem}
      .primary-btn,.secondary-btn{width:100%}
      .search-grid .primary-btn{width:100%}
      .entry-foot{align-items:flex-start}
    }

/* roulang page: category1 */
:root {
      --bg: #05070d;
      --bg-2: #070b13;
      --panel: rgba(12, 18, 31, 0.94);
      --panel-2: rgba(9, 14, 24, 0.92);
      --line: rgba(255, 255, 255, 0.09);
      --line-strong: rgba(100, 210, 255, 0.22);
      --text: #e6edf7;
      --muted: #8a97aa;
      --muted-2: #667387;
      --accent: #28e3c4;
      --accent-2: #8a5cff;
      --accent-3: #44b8ff;
      --warm: #ff9f43;
      --radius: 8px;
      --shadow: 0 20px 50px rgba(0, 0, 0, 0.28);
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      position: relative;
      isolation: isolate;
      min-height: 100vh;
      background:
        linear-gradient(180deg, #070b13 0%, #05070d 58%, #071018 100%);
      color: var(--text);
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      letter-spacing: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
      background-size: 100% 72px, 88px 100%;
      mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.94), rgba(0, 0, 0, 0.42) 70%, transparent);
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background: linear-gradient(135deg, rgba(40, 227, 196, 0.08), transparent 34%, rgba(138, 92, 255, 0.09) 67%, transparent);
      opacity: 0.7;
    }

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

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

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

    ::selection {
      background: rgba(40, 227, 196, 0.22);
      color: #ffffff;
    }

    .container-shell {
      width: min(1200px, calc(100% - 2rem));
      margin-inline: auto;
    }

    .glass-nav {
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      background: rgba(6, 11, 20, 0.54);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background-color 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
    }

    .glass-nav.nav-scrolled {
      background: rgba(7, 10, 17, 0.96);
      box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
      border-bottom-color: rgba(255, 255, 255, 0.12);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      border-radius: 0.5rem;
      border: 1px solid transparent;
      padding: 0.55rem 0.85rem;
      font-size: 0.95rem;
      font-weight: 700;
      color: #c8d3e1;
      transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
    }

    .nav-link:hover,
    .nav-link:focus-visible {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.06);
      border-color: rgba(255, 255, 255, 0.09);
      outline: none;
    }

    .nav-link.active {
      color: #ffffff;
      background: linear-gradient(135deg, rgba(40, 227, 196, 0.14), rgba(138, 92, 255, 0.15));
      border-color: rgba(115, 197, 255, 0.26);
      box-shadow: inset 0 0 0 1px rgba(40, 227, 196, 0.05);
    }

    .primary-btn,
    .secondary-btn,
    .icon-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      border-radius: 0.5rem;
      font-weight: 800;
      transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease, color 180ms ease, filter 180ms ease;
      will-change: transform;
    }

    .primary-btn {
      background: linear-gradient(135deg, #7ff3df, #8a5cff 56%, #44b8ff);
      color: #071018;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 16px 30px rgba(40, 227, 196, 0.16);
      padding: 0.82rem 1rem;
    }

    .primary-btn:hover,
    .primary-btn:focus-visible {
      transform: translateY(-1px);
      filter: brightness(1.04);
      outline: none;
    }

    .secondary-btn {
      background: rgba(255, 255, 255, 0.04);
      color: #e8eef8;
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 0.82rem 1rem;
    }

    .secondary-btn:hover,
    .secondary-btn:focus-visible {
      transform: translateY(-1px);
      background: rgba(255, 255, 255, 0.07);
      border-color: rgba(98, 210, 255, 0.34);
      outline: none;
    }

    .icon-btn {
      width: 42px;
      height: 42px;
      color: #ffffff;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.05);
    }

    .icon-btn:hover,
    .icon-btn:focus-visible {
      transform: translateY(-1px);
      border-color: rgba(98, 210, 255, 0.34);
      background: rgba(255, 255, 255, 0.08);
      outline: none;
    }

    .input,
    .select,
    .textarea {
      width: 100%;
      border-radius: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(9, 14, 24, 0.88);
      color: #ffffff;
      padding: 0.82rem 0.95rem;
      outline: none;
      transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
    }

    .input::placeholder,
    .textarea::placeholder {
      color: #6e7b91;
    }

    .input:focus,
    .select:focus,
    .textarea:focus {
      border-color: rgba(40, 227, 196, 0.42);
      box-shadow: 0 0 0 3px rgba(40, 227, 196, 0.12);
      background: rgba(10, 16, 28, 0.98);
    }

    .panel-soft,
    .card-shell {
      position: relative;
      overflow: hidden;
      border-radius: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: linear-gradient(180deg, rgba(12, 18, 31, 0.94), rgba(8, 13, 23, 0.92));
      box-shadow: var(--shadow);
    }

    .panel-soft::before,
    .card-shell::before {
      content: "";
      position: absolute;
      inset: 0;
      pointer-events: none;
      background: linear-gradient(135deg, rgba(40, 227, 196, 0.05), transparent 30%, rgba(138, 92, 255, 0.06));
      opacity: 0.7;
    }

    .panel-soft > *,
    .card-shell > * {
      position: relative;
      z-index: 1;
    }

    .subtle-label {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.045);
      padding: 0.42rem 0.72rem;
      font-size: 0.9rem;
      font-weight: 700;
      color: #d7e1ee;
      transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease, transform 180ms ease;
    }

    .subtle-label:hover,
    .subtle-label:focus-visible {
      transform: translateY(-1px);
      border-color: rgba(40, 227, 196, 0.22);
      background: rgba(255, 255, 255, 0.065);
      outline: none;
    }

    .subtle-label.active {
      color: #ffffff;
      border-color: rgba(40, 227, 196, 0.28);
      background: linear-gradient(135deg, rgba(40, 227, 196, 0.14), rgba(138, 92, 255, 0.13));
    }

    .metric {
      border-radius: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(255, 255, 255, 0.04);
      padding: 0.85rem;
    }

    .metric-number {
      font-size: 1.6rem;
      line-height: 1.1;
      font-weight: 900;
      color: #ffffff;
    }

    .section-block {
      scroll-margin-top: 110px;
    }

    .faq-item {
      border-radius: 0.5rem;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(10, 16, 28, 0.74);
      transition: border-color 180ms ease, background-color 180ms ease;
    }

    .faq-item[open] {
      border-color: rgba(40, 227, 196, 0.2);
      background: rgba(13, 20, 33, 0.94);
    }

    .faq-item summary {
      list-style: none;
      cursor: pointer;
    }

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

    .faq-item[open] summary svg {
      transform: rotate(180deg);
    }

    .footer {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      background: rgba(5, 8, 14, 0.96);
    }

    .footer-grid {
      display: grid;
      gap: 1.25rem;
      padding: 1.75rem 0 2rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem 1rem;
      align-items: flex-start;
    }

    .footer-links a {
      color: #c0cbda;
      font-weight: 700;
      transition: color 180ms ease, transform 180ms ease;
    }

    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #ffffff;
      transform: translateY(-1px);
      outline: none;
    }

    .mobile-panel {
      max-height: 0;
      opacity: 0;
      transform: translateY(-4px);
      overflow: hidden;
      transition: max-height 220ms ease, opacity 220ms ease, transform 220ms ease;
    }

    .mobile-panel[data-open="true"] {
      max-height: 280px;
      opacity: 1;
      transform: translateY(0);
    }