/* roulang page: index */
:root {
      --bg: #07070b;
      --bg-2: #0d0b13;
      --panel: #121019;
      --panel-2: #191523;
      --panel-3: #211a2d;
      --text: #f7f4ff;
      --muted: #b8b0c8;
      --soft: #817892;
      --line: rgba(255, 255, 255, .12);
      --line-hot: rgba(255, 45, 140, .55);
      --hot: #ff2d8c;
      --hot-2: #ff67b3;
      --cyan: #31f0d2;
      --violet: #8b5cff;
      --warning: #ffd166;
      --success: #5df08f;
      --radius: 8px;
      --shadow: 0 18px 54px rgba(0, 0, 0, .46);
      --glow: 0 0 28px rgba(255, 45, 140, .28);
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      background:
        linear-gradient(180deg, rgba(255, 45, 140, .05), transparent 22rem),
        radial-gradient(circle at 82% 14%, rgba(49, 240, 210, .08), transparent 24rem),
        repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0, rgba(255,255,255,.025) 1px, transparent 1px, transparent 72px),
        var(--bg);
      color: var(--text);
      line-height: 1.7;
      letter-spacing: 0;
      overflow-x: hidden;
    }

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

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

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

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

    .skip-link {
      position: absolute;
      left: 12px;
      top: -48px;
      z-index: 2000;
      background: var(--cyan);
      color: #07110f;
      padding: 10px 14px;
      border-radius: var(--radius);
    }

    .skip-link:focus {
      top: 12px;
      outline: 2px solid var(--text);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(180deg, rgba(7, 7, 11, .97), rgba(12, 9, 18, .94));
      border-bottom: 1px solid rgba(255, 255, 255, .1);
      box-shadow: 0 12px 28px rgba(0, 0, 0, .34);
    }

    .navbar {
      min-height: 72px;
      padding: 0;
    }

    .brand-mark {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      color: var(--text);
      max-width: 58vw;
      white-space: normal;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      border: 1px solid var(--line-hot);
      background:
        linear-gradient(135deg, rgba(255,45,140,.26), rgba(49,240,210,.08)),
        #0b0910;
      position: relative;
      border-radius: 7px;
      box-shadow: var(--glow);
      flex: 0 0 auto;
    }

    .brand-icon::before,
    .brand-icon::after {
      content: "";
      position: absolute;
      inset: 8px;
      border-top: 2px solid var(--cyan);
      border-right: 2px solid var(--hot);
      transform: skewX(-12deg);
    }

    .brand-icon::after {
      inset: 14px 9px 9px 14px;
      border-color: var(--hot-2);
      opacity: .75;
    }

    .brand-text {
      font-size: 18px;
      line-height: 1.25;
    }

    .navbar-toggler {
      min-height: 44px;
      border: 1px solid rgba(255, 45, 140, .48);
      border-radius: var(--radius);
      color: var(--text);
      padding: 8px 10px;
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(49, 240, 210, .22);
    }

    .navbar-toggler-icon {
      width: 24px;
      height: 18px;
      background-image: none;
      position: relative;
      display: inline-block;
      border-top: 2px solid var(--text);
      border-bottom: 2px solid var(--text);
    }

    .navbar-toggler-icon::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 7px;
      border-top: 2px solid var(--hot-2);
    }

    .navbar-nav {
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      color: var(--muted);
      font-weight: 700;
      padding: 10px 14px !important;
      min-height: 44px;
      border-radius: var(--radius);
      border: 1px solid transparent;
      position: relative;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      border-color: rgba(49, 240, 210, .28);
      background: rgba(49, 240, 210, .06);
      outline: none;
    }

    .nav-link.active {
      color: var(--text);
      border-color: rgba(255, 45, 140, .5);
      background: rgba(255, 45, 140, .11);
      box-shadow: inset 0 -2px 0 var(--hot);
    }

    .header-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 16px;
      margin-left: 10px;
      border-radius: var(--radius);
      color: #14060e;
      background: var(--hot);
      font-weight: 900;
      border: 1px solid var(--hot-2);
      box-shadow: 0 0 22px rgba(255, 45, 140, .32);
    }

    .header-cta:hover,
    .header-cta:focus {
      color: #08060a;
      background: var(--cyan);
      border-color: var(--cyan);
      transform: translateY(-1px);
      outline: none;
    }

    main {
      overflow: hidden;
    }

    section {
      position: relative;
      padding: 82px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 900;
      padding: 6px 10px;
      border: 1px solid rgba(49, 240, 210, .24);
      background: rgba(49, 240, 210, .06);
      border-radius: var(--radius);
      margin-bottom: 14px;
    }

    .section-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--cyan);
      box-shadow: 0 0 14px var(--cyan);
      border-radius: 50%;
    }

    .section-title {
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.22;
      font-weight: 900;
      margin: 0 0 14px;
      color: var(--text);
    }

    .section-desc {
      color: var(--muted);
      max-width: 780px;
      margin: 0 0 30px;
      font-size: 16px;
    }

    .btn-neon,
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 11px 18px;
      border-radius: var(--radius);
      font-weight: 900;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease, color .2s ease;
      word-break: break-word;
    }

    .btn-neon {
      background: linear-gradient(135deg, var(--hot), var(--hot-2));
      color: #14060e;
      box-shadow: 0 10px 30px rgba(255, 45, 140, .28);
    }

    .btn-neon:hover,
    .btn-neon:focus {
      color: #07110f;
      background: linear-gradient(135deg, var(--cyan), #8fffee);
      transform: translateY(-2px);
      box-shadow: 0 12px 34px rgba(49, 240, 210, .26);
      outline: none;
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .03);
      color: var(--text);
      border-color: rgba(255, 255, 255, .16);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: var(--text);
      border-color: var(--hot);
      background: rgba(255, 45, 140, .1);
      transform: translateY(-2px);
      outline: none;
    }

    .hero {
      padding: 92px 0 54px;
      min-height: calc(100vh - 72px);
      display: flex;
      align-items: center;
    }

    .hero-band {
      width: 100%;
      border: 1px solid rgba(255, 255, 255, .12);
      background:
        linear-gradient(135deg, rgba(255, 45, 140, .13), rgba(49, 240, 210, .06) 52%, rgba(139, 92, 255, .11)),
        linear-gradient(180deg, rgba(18, 16, 25, .96), rgba(8, 7, 12, .98));
      box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, .08);
      border-radius: 8px;
      overflow: hidden;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 28px;
      padding: clamp(28px, 5vw, 54px);
      align-items: stretch;
    }

    .hero-copy {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .hero h1 {
      font-size: clamp(32px, 5vw, 56px);
      line-height: 1.12;
      font-weight: 900;
      margin: 0 0 18px;
      max-width: 820px;
      overflow-wrap: anywhere;
    }

    .hero-lead {
      font-size: 17px;
      color: #d8d1e8;
      max-width: 760px;
      margin: 0 0 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 20px;
    }

    .compliance-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .compliance-strip span {
      border: 1px solid rgba(255, 255, 255, .12);
      background: rgba(0, 0, 0, .22);
      padding: 7px 10px;
      border-radius: var(--radius);
    }

    .console-matrix {
      background: rgba(7, 7, 11, .58);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: var(--radius);
      padding: 18px;
      min-height: 360px;
      position: relative;
      overflow: hidden;
    }

    .console-matrix::before {
      content: "";
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(0deg, rgba(255,255,255,.035), rgba(255,255,255,.035) 1px, transparent 1px, transparent 20px);
      pointer-events: none;
      opacity: .38;
    }

    .matrix-top,
    .matrix-grid,
    .status-row {
      position: relative;
      z-index: 1;
    }

    .matrix-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 18px;
    }

    .status-light {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      font-weight: 900;
      font-size: 14px;
    }

    .status-light::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 18px var(--cyan);
    }

    .age-badge {
      color: var(--warning);
      border: 1px solid rgba(255, 209, 102, .36);
      padding: 5px 9px;
      border-radius: var(--radius);
      background: rgba(255, 209, 102, .07);
      font-weight: 900;
      font-size: 13px;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-bottom: 18px;
    }

    .matrix-cell {
      min-height: 84px;
      border: 1px solid rgba(255, 255, 255, .12);
      background: rgba(255, 255, 255, .035);
      border-radius: var(--radius);
      padding: 12px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .matrix-cell strong {
      font-size: 20px;
      color: var(--text);
    }

    .matrix-cell span {
      color: var(--muted);
      font-size: 13px;
    }

    .matrix-cell.is-hot {
      border-color: rgba(255, 45, 140, .58);
      background: rgba(255, 45, 140, .1);
      box-shadow: inset 0 0 22px rgba(255, 45, 140, .08);
    }

    .status-row {
      display: grid;
      gap: 12px;
    }

    .status-item {
      display: grid;
      grid-template-columns: 112px 1fr auto;
      gap: 12px;
      align-items: center;
      color: var(--muted);
      font-size: 14px;
    }

    .energy {
      height: 8px;
      background: rgba(255, 255, 255, .09);
      border-radius: 2px;
      overflow: hidden;
    }

    .energy span {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, var(--hot), var(--cyan));
    }

    .hero-peek {
      margin-top: 18px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    .peek-card {
      border: 1px solid rgba(255, 255, 255, .11);
      background: rgba(18, 16, 25, .72);
      border-radius: var(--radius);
      padding: 14px;
      min-height: 88px;
    }

    .peek-card b {
      color: var(--hot-2);
      font-size: 22px;
      display: block;
      line-height: 1.1;
    }

    .peek-card span {
      color: var(--muted);
      font-size: 13px;
    }

    .entry-section {
      padding-top: 72px;
    }

    .entry-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 24px;
      align-items: start;
    }

    .step-ladder {
      display: grid;
      gap: 12px;
    }

    .step-card,
    .entry-card,
    .proof-card,
    .testimonial,
    .feature-card {
      border: 1px solid rgba(255, 255, 255, .12);
      background: linear-gradient(180deg, rgba(25, 21, 35, .95), rgba(13, 11, 19, .95));
      border-radius: var(--radius);
      box-shadow: 0 14px 38px rgba(0, 0, 0, .28);
    }

    .step-card {
      padding: 18px;
      position: relative;
      overflow: hidden;
    }

    .step-card::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 74px;
      height: 4px;
      background: linear-gradient(90deg, transparent, var(--hot));
    }

    .step-number {
      display: inline-flex;
      color: var(--cyan);
      font-weight: 900;
      margin-bottom: 8px;
    }

    .step-card h3,
    .entry-card h3,
    .proof-card h3,
    .feature-card h3 {
      font-size: 18px;
      font-weight: 900;
      margin: 0 0 8px;
    }

    .step-card p,
    .entry-card p,
    .proof-card p,
    .feature-card p,
    .testimonial p {
      color: var(--muted);
      margin: 0;
      font-size: 15px;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }

    .entry-card {
      padding: 18px;
      min-height: 168px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .entry-card:hover,
    .proof-card:hover,
    .feature-card:hover,
    .testimonial:hover {
      transform: translateY(-3px);
      border-color: rgba(255, 45, 140, .45);
      box-shadow: var(--shadow), var(--glow);
    }

    .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 10px;
    }

    .icon-tile {
      width: 42px;
      height: 42px;
      border-radius: 7px;
      border: 1px solid rgba(49, 240, 210, .32);
      background: rgba(49, 240, 210, .08);
      display: grid;
      place-items: center;
      color: var(--cyan);
      font-weight: 900;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 3px 8px;
      border-radius: 6px;
      color: var(--text);
      border: 1px solid rgba(255, 255, 255, .14);
      background: rgba(255, 255, 255, .04);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .tag.hot {
      border-color: rgba(255, 45, 140, .48);
      color: var(--hot-2);
      background: rgba(255, 45, 140, .08);
    }

    .tag.ok {
      border-color: rgba(49, 240, 210, .4);
      color: var(--cyan);
      background: rgba(49, 240, 210, .07);
    }

    .entry-card .btn-ghost {
      margin-top: 18px;
      align-self: flex-start;
      min-height: 40px;
      padding: 8px 12px;
      font-size: 14px;
    }

    .milestone-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: stretch;
    }

    .timeline {
      border-left: 1px solid rgba(255, 45, 140, .35);
      padding-left: 18px;
      display: grid;
      gap: 16px;
    }

    .timeline-item {
      position: relative;
      padding: 16px;
      background: rgba(255, 255, 255, .035);
      border: 1px solid rgba(255, 255, 255, .11);
      border-radius: var(--radius);
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -24px;
      top: 22px;
      width: 11px;
      height: 11px;
      border-radius: 50%;
      background: var(--hot);
      box-shadow: 0 0 18px var(--hot);
    }

    .timeline-item h3 {
      margin: 0 0 6px;
      font-size: 17px;
      font-weight: 900;
    }

    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

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

    .feature-card {
      padding: 18px;
    }

    .news-section {
      background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.04));
      border-top: 1px solid rgba(255,255,255,.08);
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
    }

    .news-list {
      display: grid;
      gap: 10px;
    }

    .news-link {
      display: grid;
      grid-template-columns: 120px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border: 1px solid rgba(255, 255, 255, .11);
      background: rgba(18, 16, 25, .78);
      border-radius: var(--radius);
      min-height: 78px;
    }

    .news-link:hover,
    .news-link:focus {
      border-color: rgba(49, 240, 210, .38);
      background: rgba(49, 240, 210, .06);
      transform: translateX(3px);
      outline: none;
    }

    .news-date {
      color: var(--cyan);
      font-weight: 900;
      font-size: 13px;
    }

    .news-link strong {
      color: var(--text);
      font-size: 16px;
    }

    .news-link span {
      color: var(--soft);
      font-weight: 900;
    }

    .recommend-panel {
      border: 1px solid rgba(255, 45, 140, .28);
      background:
        linear-gradient(135deg, rgba(255,45,140,.12), transparent),
        rgba(13, 11, 19, .9);
      border-radius: var(--radius);
      padding: 22px;
      min-height: 100%;
    }

    .recommend-panel h3 {
      font-weight: 900;
      margin: 0 0 12px;
    }

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

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
    }

    .proof-card {
      padding: 20px;
      min-height: 210px;
    }

    .proof-card .metric {
      color: var(--hot-2);
      font-size: 32px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 12px;
    }

    .proof-card ul {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
    }

    .proof-card li {
      display: flex;
      gap: 8px;
    }

    .proof-card li::before {
      content: "";
      width: 7px;
      height: 7px;
      margin-top: 9px;
      border-radius: 50%;
      background: var(--cyan);
      flex: 0 0 auto;
    }

    .testimonial-grid {
      display: grid;
      grid-template-columns: 1fr 1.15fr .85fr;
      gap: 14px;
      align-items: start;
    }

    .testimonial {
      padding: 18px;
      min-height: 152px;
    }

    .avatar-row {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .avatar {
      width: 38px;
      height: 38px;
      border-radius: 7px;
      background: linear-gradient(135deg, var(--hot), var(--violet));
      display: grid;
      place-items: center;
      color: var(--text);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .avatar-row strong {
      display: block;
      font-size: 15px;
    }

    .avatar-row span {
      display: block;
      color: var(--soft);
      font-size: 12px;
    }

    .faq-wrap {
      max-width: 940px;
    }

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

    .accordion-item {
      background: var(--panel);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: var(--radius) !important;
      overflow: hidden;
    }

    .accordion-button {
      min-height: 56px;
      background: rgba(18, 16, 25, .94);
      color: var(--text);
      font-weight: 900;
      box-shadow: none;
      padding: 16px 18px;
    }

    .accordion-button:not(.collapsed) {
      color: var(--text);
      background: linear-gradient(90deg, rgba(255, 45, 140, .16), rgba(49, 240, 210, .05));
      box-shadow: inset 4px 0 0 var(--hot);
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .8;
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 3px rgba(49, 240, 210, .18);
    }

    .accordion-body {
      color: var(--muted);
      background: rgba(8, 7, 12, .74);
      padding: 18px;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .app-section {
      padding-bottom: 94px;
    }

    .open-panel {
      border-radius: var(--radius);
      border: 1px solid rgba(255, 45, 140, .34);
      background:
        linear-gradient(135deg, rgba(255, 45, 140, .15), rgba(49, 240, 210, .08)),
        rgba(13, 11, 19, .96);
      box-shadow: var(--shadow), var(--glow);
      padding: clamp(22px, 4vw, 38px);
      overflow: hidden;
      position: relative;
    }

    .open-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0, rgba(255,255,255,.04) 1px, transparent 1px, transparent 18px);
      opacity: .36;
      pointer-events: none;
    }

    .open-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: center;
    }

    .open-panel h2 {
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 900;
      line-height: 1.22;
      margin: 0 0 12px;
    }

    .open-panel p {
      color: #ded7ee;
      margin: 0 0 18px;
    }

    .form-control,
    .form-select {
      min-height: 46px;
      border-radius: var(--radius);
      border: 1px solid #2d2938;
      background-color: #0f0f14;
      color: var(--text);
      box-shadow: none;
    }

    .form-control::placeholder {
      color: #726a82;
    }

    .form-control:focus,
    .form-select:focus {
      background-color: #0f0f14;
      color: var(--text);
      border-color: var(--cyan);
      box-shadow: 0 0 0 3px rgba(49, 240, 210, .18);
    }

    .form-label {
      color: var(--muted);
      font-weight: 800;
      font-size: 14px;
    }

    .form-note {
      color: var(--warning);
      font-size: 13px;
      margin-top: 10px;
    }

    .site-footer {
      background: #050508;
      border-top: 1px solid rgba(255,255,255,.1);
      padding: 46px 0 28px;
      color: var(--muted);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 24px;
      align-items: start;
      margin-bottom: 24px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--text);
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .footer-links a {
      border: 1px solid rgba(255,255,255,.12);
      border-radius: var(--radius);
      padding: 8px 10px;
      min-height: 40px;
      color: var(--muted);
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--text);
      border-color: rgba(255, 45, 140, .42);
      background: rgba(255, 45, 140, .08);
      outline: none;
    }

    .copyright {
      border-top: 1px solid rgba(255,255,255,.09);
      padding-top: 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: space-between;
      color: var(--soft);
      font-size: 13px;
    }

    .modal-content {
      background: var(--panel);
      color: var(--text);
      border: 1px solid rgba(255, 45, 140, .36);
      border-radius: var(--radius);
    }

    .modal-header,
    .modal-footer {
      border-color: rgba(255,255,255,.1);
    }

    .btn-close {
      filter: invert(1);
    }

    @media (max-width: 1024px) {
      section {
        padding: 68px 0;
      }

      .hero-grid,
      .entry-layout,
      .milestone-wrap,
      .news-layout,
      .open-grid {
        grid-template-columns: 1fr;
      }

      .hero {
        min-height: auto;
        padding-top: 82px;
      }

      .console-matrix {
        min-height: auto;
      }

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

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

    @media (max-width: 767.98px) {
      .site-container {
        width: min(100% - 24px, var(--container));
      }

      .navbar-collapse {
        width: 100%;
        margin-top: 12px;
        padding: 12px;
        background: #0c0a12;
        border: 1px solid rgba(255,255,255,.1);
        border-radius: var(--radius);
      }

      .navbar-nav {
        align-items: stretch;
      }

      .header-cta {
        width: 100%;
        margin: 10px 0 0;
      }

      section {
        padding: 54px 0;
      }

      .hero {
        padding: 64px 0 36px;
      }

      .hero-grid {
        padding: 22px;
      }

      .hero-actions .btn-neon,
      .hero-actions .btn-ghost {
        width: 100%;
      }

      .matrix-grid,
      .entry-grid,
      .proof-grid,
      .testimonial-grid,
      .hero-peek {
        grid-template-columns: 1fr;
      }

      .status-item {
        grid-template-columns: 86px 1fr;
      }

      .status-item .tag {
        grid-column: 1 / -1;
        width: fit-content;
      }

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

      .news-date {
        grid-column: 1 / -1;
      }

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

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

      .copyright {
        display: grid;
      }
    }

    @media (max-width: 520px) {
      .brand-text {
        font-size: 16px;
      }

      .brand-icon {
        width: 34px;
        height: 34px;
      }

      .hero h1 {
        font-size: 32px;
      }

      .section-title {
        font-size: 26px;
      }

      .open-panel {
        padding: 20px;
      }

      .btn-neon,
      .btn-ghost {
        width: 100%;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08070c;
      --bg-2: #0e0b15;
      --panel: #14111d;
      --panel-2: #191424;
      --panel-3: #20172d;
      --text: #f7f3ff;
      --muted: #b9afc8;
      --soft: #847a96;
      --line: rgba(255, 255, 255, .12);
      --line-hot: rgba(255, 49, 156, .58);
      --pink: #ff2f9f;
      --violet: #9b5cff;
      --cyan: #25f0d0;
      --yellow: #ffd166;
      --danger: #ff6b8a;
      --radius: 8px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .38);
      --glow: 0 0 26px rgba(255, 47, 159, .24);
      --container: 1200px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.7;
      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(255, 47, 159, .18), transparent 30%),
        radial-gradient(circle at 82% 22%, rgba(37, 240, 208, .11), transparent 28%),
        var(--bg);
      background-size: 34px 34px, 34px 34px, auto, auto, auto;
      overflow-x: hidden;
    }

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

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: linear-gradient(180deg, rgba(11, 7, 16, .98), rgba(11, 7, 16, .92));
      border-bottom: 1px solid rgba(255, 255, 255, .1);
      box-shadow: 0 14px 40px rgba(0, 0, 0, .35);
    }

    .navbar {
      min-height: 72px;
      padding: 0;
    }

    .brand-mark,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text);
      font-weight: 900;
      letter-spacing: 0;
      min-height: 52px;
    }

    .brand-icon {
      width: 34px;
      height: 34px;
      display: inline-block;
      position: relative;
      border: 1px solid rgba(255, 47, 159, .85);
      border-radius: 7px;
      background:
        linear-gradient(135deg, rgba(255, 47, 159, .35), rgba(37, 240, 208, .12)),
        #100b17;
      box-shadow: 0 0 18px rgba(255, 47, 159, .35);
      transform: skew(-8deg);
      flex: 0 0 auto;
    }

    .brand-icon::before,
    .brand-icon::after {
      content: "";
      position: absolute;
      inset: 7px;
      border-top: 2px solid var(--cyan);
      border-bottom: 2px solid var(--pink);
    }

    .brand-icon::after {
      inset: 12px 8px;
      border-top-color: rgba(255, 255, 255, .82);
      border-bottom: 0;
    }

    .brand-text {
      font-size: 18px;
      white-space: nowrap;
    }

    .navbar-nav {
      align-items: center;
      gap: 8px;
    }

    .nav-link {
      color: var(--muted);
      padding: 9px 14px !important;
      border: 1px solid transparent;
      border-radius: var(--radius);
      font-weight: 700;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      border-color: rgba(37, 240, 208, .35);
      background: rgba(37, 240, 208, .07);
    }

    .nav-link.active {
      color: var(--text) !important;
      border-color: var(--line-hot);
      background: rgba(255, 47, 159, .13);
      box-shadow: inset 0 -2px 0 var(--pink), 0 0 18px rgba(255, 47, 159, .16);
    }

    .header-cta,
    .btn-neon,
    .btn-outline-neon {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius);
      padding: 11px 18px;
      font-weight: 850;
      border: 1px solid transparent;
      line-height: 1.2;
    }

    .header-cta {
      margin-left: 14px;
      color: #120711;
      background: linear-gradient(135deg, var(--pink), #ff72c3);
      box-shadow: 0 0 22px rgba(255, 47, 159, .32);
    }

    .header-cta:hover,
    .btn-neon:hover {
      transform: translateY(-2px);
      color: #0b0710;
      box-shadow: 0 0 30px rgba(255, 47, 159, .45);
    }

    .navbar-toggler {
      border: 1px solid rgba(255, 47, 159, .42);
      border-radius: var(--radius);
      padding: 9px 11px;
      box-shadow: none !important;
    }

    .navbar-toggler-icon {
      filter: invert(1) brightness(1.4);
    }

    .page-hero {
      position: relative;
      padding: 88px 0 54px;
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, rgba(255, 47, 159, .10), transparent 34%),
        linear-gradient(280deg, rgba(37, 240, 208, .10), transparent 34%);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.02fr) minmax(340px, .78fr);
      gap: 34px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      border: 1px solid rgba(37, 240, 208, .32);
      background: rgba(37, 240, 208, .06);
      padding: 7px 10px;
      border-radius: var(--radius);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(37, 240, 208, .8);
    }

    h1,
    h2,
    h3 {
      margin: 0;
      line-height: 1.18;
      letter-spacing: 0;
    }

    h1 {
      margin-top: 18px;
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 950;
      max-width: 820px;
    }

    .hero-copy {
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 17px;
      max-width: 760px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .btn-neon {
      color: #130812;
      background: linear-gradient(135deg, var(--pink), #ff75c7);
      box-shadow: var(--glow);
    }

    .btn-outline-neon {
      color: var(--text);
      border-color: rgba(37, 240, 208, .42);
      background: rgba(37, 240, 208, .06);
    }

    .btn-outline-neon:hover {
      color: var(--cyan);
      background: rgba(37, 240, 208, .11);
      border-color: rgba(37, 240, 208, .72);
      transform: translateY(-2px);
      box-shadow: 0 0 22px rgba(37, 240, 208, .18);
    }

    .notice-strip {
      margin-top: 22px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
      color: #e8dff1;
      background: rgba(255, 209, 102, .08);
      border: 1px solid rgba(255, 209, 102, .28);
      border-left: 3px solid var(--yellow);
      border-radius: var(--radius);
      padding: 13px 14px;
      max-width: 760px;
      font-size: 14px;
    }

    .group-panel {
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .015)),
        var(--panel);
      border: 1px solid rgba(255, 255, 255, .12);
      border-radius: var(--radius);
      box-shadow: var(--shadow), 0 0 0 1px rgba(255, 47, 159, .12);
      padding: 22px;
      position: relative;
      overflow: hidden;
      min-height: 410px;
    }

    .group-panel::before {
      content: "";
      position: absolute;
      top: 0;
      left: 22px;
      right: 22px;
      height: 2px;
      background: linear-gradient(90deg, var(--pink), var(--cyan), transparent);
    }

    .panel-head {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: flex-start;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--line);
    }

    .panel-title {
      font-size: 18px;
      font-weight: 900;
    }

    .status-badge,
    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      border: 1px solid rgba(37, 240, 208, .42);
      border-radius: 6px;
      padding: 4px 9px;
      color: var(--cyan);
      background: rgba(37, 240, 208, .07);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .count-box {
      margin-top: 18px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .count-item {
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .035);
      border-radius: var(--radius);
      padding: 16px;
    }

    .count-item strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      color: var(--text);
    }

    .count-item span {
      display: block;
      margin-top: 8px;
      color: var(--soft);
      font-size: 13px;
    }

    .progress-track {
      margin-top: 20px;
    }

    .progress-label {
      display: flex;
      justify-content: space-between;
      color: var(--muted);
      font-size: 13px;
      margin-bottom: 8px;
    }

    .progress {
      height: 9px;
      background: #0b0910;
      border-radius: 4px;
      border: 1px solid rgba(255,255,255,.08);
      overflow: hidden;
    }

    .progress-bar {
      background: linear-gradient(90deg, var(--pink), var(--violet), var(--cyan));
    }

    .panel-actions {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }

    .check-list {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--muted);
      font-size: 14px;
    }

    .check-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 8px;
      border-radius: 2px;
      background: var(--pink);
      box-shadow: 0 0 12px rgba(255, 47, 159, .55);
      flex: 0 0 auto;
    }

    main {
      position: relative;
    }

    .section {
      padding: 76px 0;
    }

    .section.compact {
      padding-top: 48px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .72fr) minmax(280px, .28fr);
      gap: 28px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-kicker {
      color: var(--pink);
      font-size: 13px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .section h2 {
      font-size: clamp(25px, 3.2vw, 36px);
      font-weight: 950;
    }

    .section-desc {
      color: var(--muted);
      margin: 12px 0 0;
      max-width: 760px;
    }

    .filter-board {
      border: 1px solid rgba(255, 255, 255, .13);
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
      border-radius: var(--radius);
      padding: 18px;
      box-shadow: var(--shadow);
    }

    .filter-row {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 220px 220px;
      gap: 14px;
      align-items: center;
    }

    .nav-pills {
      gap: 10px;
      flex-wrap: nowrap;
      overflow-x: auto;
      padding-bottom: 2px;
    }

    .nav-pills .nav-link {
      white-space: nowrap;
      color: var(--muted);
      background: rgba(255, 255, 255, .035);
      border: 1px solid var(--line);
      min-height: 42px;
    }

    .nav-pills .nav-link.active {
      color: #120711 !important;
      background: var(--cyan);
      border-color: var(--cyan);
      box-shadow: 0 0 18px rgba(37, 240, 208, .25);
    }

    .form-select,
    .form-control {
      min-height: 44px;
      color: var(--text);
      background-color: #0f0d14;
      border: 1px solid #30283e;
      border-radius: var(--radius);
      box-shadow: none;
    }

    .form-select {
      background-image: none;
    }

    .form-select:focus,
    .form-control:focus {
      color: var(--text);
      background-color: #100d16;
      border-color: rgba(255, 47, 159, .8);
      box-shadow: 0 0 0 .22rem rgba(255, 47, 159, .14);
    }

    .entry-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 22px;
    }

    .entry-card,
    .proof-card,
    .rule-card,
    .cta-panel,
    .faq-shell {
      border: 1px solid rgba(255, 255, 255, .12);
      background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .018)), var(--panel);
      border-radius: var(--radius);
      box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
    }

    .entry-card {
      padding: 20px;
      min-height: 250px;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .entry-card::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 3px;
      background: linear-gradient(var(--pink), var(--violet), var(--cyan));
      opacity: .85;
    }

    .card-top {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
    }

    .entry-card h3,
    .proof-card h3,
    .rule-card h3 {
      font-size: 19px;
      font-weight: 920;
    }

    .entry-card p,
    .proof-card p,
    .rule-card p {
      color: var(--muted);
      margin: 10px 0 0;
      font-size: 14.5px;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 16px 0 18px;
    }

    .mini-badge {
      color: #e9e0f3;
      border-color: rgba(255,255,255,.15);
      background: rgba(255,255,255,.04);
    }

    .mini-badge.hot {
      color: var(--pink);
      border-color: rgba(255, 47, 159, .4);
      background: rgba(255, 47, 159, .08);
    }

    .mini-badge.ok {
      color: var(--cyan);
      border-color: rgba(37, 240, 208, .38);
      background: rgba(37, 240, 208, .07);
    }

    .entry-card .btn-outline-neon {
      margin-top: auto;
      width: 100%;
    }

    .entry-card:hover,
    .proof-card:hover,
    .rule-card:hover {
      transform: translateY(-3px);
      border-color: rgba(255, 47, 159, .32);
      box-shadow: 0 24px 58px rgba(0,0,0,.34), 0 0 20px rgba(255,47,159,.13);
    }

    .proof-layout {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 18px;
      align-items: stretch;
    }

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

    .metric {
      padding: 18px;
      border-radius: var(--radius);
      background: #100d16;
      border: 1px solid rgba(255,255,255,.12);
    }

    .metric strong {
      font-size: 34px;
      line-height: 1;
      color: var(--cyan);
      display: block;
    }

    .metric span {
      display: block;
      color: var(--muted);
      margin-top: 8px;
      font-size: 14px;
    }

    .proof-cards {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .proof-card,
    .rule-card {
      padding: 18px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .rule-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .rule-card {
      min-height: 178px;
    }

    .rule-index {
      width: 34px;
      height: 28px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 14px;
      border-radius: 5px;
      background: rgba(255, 47, 159, .16);
      color: #fff;
      font-weight: 900;
      font-size: 13px;
      box-shadow: 0 0 18px rgba(255, 47, 159, .22);
    }

    .rule-card ul {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 8px;
    }

    .rule-card li {
      color: var(--muted);
      font-size: 14px;
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .rule-card li::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 2px;
      margin-top: 9px;
      background: var(--cyan);
      flex: 0 0 auto;
    }

    .faq-shell {
      padding: 10px 0;
      overflow: hidden;
    }

    .accordion-item {
      background: transparent;
      border: 0;
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    .accordion-item:first-child {
      border-top: 0;
    }

    .accordion-button {
      background: transparent;
      color: var(--text);
      font-weight: 800;
      padding: 18px 18px;
      box-shadow: none !important;
      border: 0;
      min-height: 56px;
    }

    .accordion-button::after {
      filter: invert(1) brightness(1.3);
    }

    .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(37, 240, 208, .05);
      box-shadow: inset 3px 0 0 var(--cyan);
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 18px 18px;
      background: rgba(255, 255, 255, .012);
    }

    .cta-panel {
      padding: 28px;
      position: relative;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(255, 47, 159, .08), rgba(37, 240, 208, .05)),
        var(--panel-2);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      border-top: 1px solid rgba(255, 47, 159, .34);
      pointer-events: none;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 18px;
    }

    .cta-note {
      margin-top: 16px;
      color: var(--soft);
      font-size: 13px;
    }

    .site-footer {
      padding: 36px 0 28px;
      background: #07060a;
      border-top: 1px solid rgba(255, 255, 255, .08);
      margin-top: 10px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) minmax(240px, .8fr);
      gap: 28px;
      align-items: start;
    }

    .site-footer p {
      color: var(--muted);
      margin: 14px 0 0;
      max-width: 640px;
      font-size: 14px;
    }

    .footer-links {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px 16px;
      justify-items: start;
    }

    .footer-links a {
      color: var(--muted);
      padding: 6px 0;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: var(--text);
    }

    .copyright {
      margin-top: 22px;
      padding-top: 18px;
      border-top: 1px solid rgba(255, 255, 255, .08);
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      justify-content: space-between;
      color: var(--soft);
      font-size: 13px;
    }

    .lead-rail {
      display: grid;
      gap: 12px;
    }

    .rail-card {
      padding: 14px 16px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .03);
      border: 1px solid rgba(255, 255, 255, .1);
    }

    .rail-card strong {
      display: block;
      font-size: 14px;
    }

    .rail-card span {
      display: block;
      margin-top: 4px;
      color: var(--soft);
      font-size: 13px;
    }

    .subtle-line {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(255, 47, 159, .5), rgba(37, 240, 208, .45), transparent);
      margin: 22px 0;
    }

    .sr-only-focusable:focus {
      position: static;
      width: auto;
      height: auto;
      margin: 0;
      overflow: visible;
      clip: auto;
      white-space: normal;
    }

    @media (max-width: 1199.98px) {
      .hero-grid,
      .proof-layout,
      .section-head,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .filter-row {
        grid-template-columns: 1fr 1fr;
      }

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

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

      .page-hero {
        padding: 58px 0 38px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-copy {
        font-size: 15px;
      }

      .hero-actions,
      .panel-actions,
      .cta-actions {
        flex-direction: column;
      }

      .hero-actions > *,
      .panel-actions > *,
      .cta-actions > * {
        width: 100%;
      }

      .count-box,
      .proof-cards,
      .entry-grid,
      .rule-grid,
      .footer-links {
        grid-template-columns: 1fr;
      }

      .filter-row {
        grid-template-columns: 1fr;
      }

      .navbar-collapse {
        margin-top: 12px;
        padding: 14px;
        background: rgba(12, 9, 17, .98);
        border: 1px solid rgba(255, 255, 255, .1);
        border-radius: var(--radius);
      }

      .navbar-nav {
        align-items: stretch;
      }

      .header-cta {
        margin: 12px 0 0;
        width: 100%;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .section {
        padding: 56px 0;
      }

      .cta-panel {
        padding: 22px;
      }

      .copyright {
        flex-direction: column;
      }
    }