/* roulang page: index */
:root {
      --bg: #0f0c20;
      --bg-deep: #071426;
      --panel: rgba(13, 25, 48, 0.78);
      --panel-strong: #101a31;
      --text: #ffffff;
      --muted: #a6acaf;
      --line: rgba(0, 240, 255, 0.22);
      --cyan: #00f0ff;
      --lime: #ccff00;
      --pink: #ff2ea6;
      --yellow: #ffe66d;
      --danger: #ff4d6d;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
      --glow: 0 0 32px rgba(0, 240, 255, 0.28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: Inter, "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
      background:
        radial-gradient(circle at 15% 10%, rgba(0, 240, 255, 0.16), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(204, 255, 0, 0.13), transparent 30%),
        linear-gradient(145deg, var(--bg), var(--bg-deep) 48%, #050912);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.78), transparent 88%);
    }

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

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

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

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

    :focus-visible {
      outline: 3px solid rgba(204, 255, 0, 0.8);
      outline-offset: 4px;
    }

    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin-inline: auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(0, 240, 255, 0.14);
      background: rgba(7, 12, 27, 0.78);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.22);
    }

    .nav-wrap {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      min-width: 0;
      gap: 12px;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #051018;
      font-weight: 950;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-main {
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 0.98rem;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 0.75rem;
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: #dce9ef;
      font-size: 0.92rem;
      font-weight: 800;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(0, 240, 255, 0.12);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #041016;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: var(--glow);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .nav-login {
      border: 0;
      background: transparent;
      color: #e9f7fb;
      font-weight: 850;
      padding: 10px 8px;
      cursor: pointer;
      transition: color .2s ease, transform .2s ease;
    }

    .nav-login:hover {
      color: var(--lime);
      transform: translateY(-1px);
    }

    .btn-primary,
    .btn-secondary,
    .btn-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      min-height: 46px;
      padding: 12px 18px;
      font-weight: 900;
      line-height: 1.15;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }

    .btn-primary {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 15px 38px rgba(0, 240, 255, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px) scale(1.01);
      box-shadow: 0 20px 52px rgba(204, 255, 0, 0.24);
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-dark:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(0, 240, 255, 0.35);
      background: rgba(0, 240, 255, 0.08);
    }

    .btn-secondary:hover {
      border-color: var(--cyan);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }

    .btn-dark {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.13);
    }

    .btn-dark:hover {
      background: rgba(255, 255, 255, 0.13);
      border-color: rgba(204, 255, 0, 0.4);
      transform: translateY(-2px);
    }

    .hero {
      position: relative;
      min-height: 730px;
      padding: 126px 0 72px;
      overflow: hidden;
      background-image:
        linear-gradient(90deg, rgba(5, 10, 24, 0.94), rgba(5, 10, 24, 0.58) 46%, rgba(5, 10, 24, 0.88)),
        url('/assets/images/backpic/back-1.jpg');
      background-size: cover;
      background-position: center;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 160px;
      background: linear-gradient(to top, var(--bg-deep), transparent);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 30px;
      align-items: stretch;
    }

    .promo-stage {
      min-height: 498px;
      border: 1px solid rgba(0, 240, 255, 0.24);
      border-radius: 30px;
      padding: clamp(24px, 4vw, 46px);
      background:
        linear-gradient(135deg, rgba(0, 240, 255, 0.10), rgba(204, 255, 0, 0.06)),
        rgba(3, 9, 22, 0.62);
      box-shadow: var(--shadow);
      position: relative;
      overflow: hidden;
    }

    .promo-stage::before {
      content: "";
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(204, 255, 0, 0.14);
      border-radius: 24px;
      pointer-events: none;
    }

    .burst {
      position: absolute;
      top: 24px;
      right: 24px;
      width: 122px;
      height: 122px;
      display: grid;
      place-items: center;
      text-align: center;
      color: #061018;
      font-weight: 950;
      line-height: 1.05;
      background: conic-gradient(from 12deg, var(--lime), var(--cyan), var(--yellow), var(--lime));
      clip-path: polygon(50% 0%, 60% 22%, 84% 9%, 78% 35%, 100% 50%, 78% 64%, 86% 91%, 60% 78%, 50% 100%, 39% 78%, 15% 91%, 22% 65%, 0% 50%, 22% 35%, 14% 9%, 39% 22%);
      filter: drop-shadow(0 0 22px rgba(204, 255, 0, .35));
      transform: rotate(8deg);
      z-index: 2;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--lime);
      background: rgba(204, 255, 0, 0.09);
      border: 1px solid rgba(204, 255, 0, 0.28);
      font-size: 0.84rem;
      font-weight: 900;
      margin-bottom: 18px;
    }

    h1 {
      margin: 0;
      max-width: 870px;
      font-size: clamp(2.35rem, 5.3vw, 5.25rem);
      line-height: 1.02;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-title-glow {
      color: transparent;
      background: linear-gradient(90deg, #ffffff, var(--cyan) 45%, var(--lime));
      -webkit-background-clip: text;
      background-clip: text;
      text-shadow: 0 0 34px rgba(0, 240, 255, .16);
    }

    .hero-copy {
      margin: 22px 0 0;
      max-width: 760px;
      color: #d7e5ea;
      font-size: 1.08rem;
      line-height: 1.68;
    }

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

    .deadline {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      color: #e9f7fb;
    }

    .deadline span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 12px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.07);
      font-weight: 800;
      font-size: 0.9rem;
    }

    .kpi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 30px;
    }

    .kpi {
      border: 1px solid rgba(0, 240, 255, 0.18);
      border-radius: 18px;
      padding: 16px;
      background: rgba(0, 0, 0, 0.24);
    }

    .kpi strong {
      display: block;
      font-size: clamp(1.3rem, 2vw, 1.75rem);
      color: var(--lime);
      line-height: 1.1;
    }

    .kpi span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 0.86rem;
      font-weight: 750;
    }

    .portal-board {
      display: grid;
      grid-template-rows: auto 1fr auto;
      gap: 16px;
      min-height: 498px;
      border-radius: 30px;
      padding: 20px;
      background:
        linear-gradient(180deg, rgba(16, 26, 49, 0.82), rgba(6, 13, 27, 0.82)),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
      border: 1px solid rgba(0, 240, 255, 0.2);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .ticker {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 11px 13px;
      border-radius: 16px;
      color: #eaffff;
      background: rgba(0, 0, 0, 0.36);
      border: 1px solid rgba(204, 255, 0, 0.18);
      overflow: hidden;
    }

    .ticker-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 14px var(--lime);
      animation: pulseLight 1.45s infinite;
      flex: 0 0 auto;
    }

    .portal-games {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .game-portal {
      position: relative;
      min-height: 118px;
      padding: 14px;
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid rgba(0, 240, 255, 0.24);
      background: linear-gradient(145deg, rgba(0, 240, 255, 0.13), rgba(204, 255, 0, 0.05));
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .game-portal:hover {
      transform: translateY(-5px) scale(1.02);
      border-color: rgba(204, 255, 0, .78);
      box-shadow: 0 0 28px rgba(0, 240, 255, 0.26);
    }

    .game-portal::after {
      content: "";
      position: absolute;
      inset: -30%;
      background: radial-gradient(circle, rgba(255,255,255,0.14), transparent 42%);
      transform: translate(-38%, -38%);
      transition: transform .35s ease;
    }

    .game-portal:hover::after {
      transform: translate(18%, 18%);
    }

    .game-portal b,
    .game-portal small {
      position: relative;
      z-index: 1;
      display: block;
    }

    .game-portal b {
      font-size: 1rem;
      line-height: 1.25;
    }

    .game-portal small {
      color: var(--muted);
      margin-top: 8px;
      font-weight: 750;
    }

    .mini-rank {
      display: flex;
      gap: 10px;
      align-items: center;
      justify-content: space-between;
      padding: 12px;
      border-radius: 18px;
      background: rgba(0,0,0,.34);
      border: 1px solid rgba(255,255,255,.1);
      color: #e9f7fb;
      font-weight: 800;
    }

    .section {
      padding: 72px 0;
    }

    .section-tight {
      padding: 52px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 28px;
    }

    .section-head.center {
      margin-inline: auto;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--lime);
      font-size: 0.82rem;
      font-weight: 950;
      letter-spacing: 0;
      padding: 7px 11px;
      border-radius: 999px;
      border: 1px solid rgba(204, 255, 0, 0.26);
      background: rgba(204, 255, 0, 0.08);
      margin-bottom: 12px;
    }

    h2 {
      margin: 0;
      font-size: clamp(1.85rem, 3.3vw, 3.1rem);
      line-height: 1.12;
      font-weight: 950;
      letter-spacing: 0;
    }

    h3 {
      margin: 0;
      font-size: clamp(1.15rem, 2vw, 1.55rem);
      line-height: 1.25;
      font-weight: 920;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 14px 0 0;
      color: #c9d5db;
      font-size: 1rem;
      line-height: 1.68;
    }

    .highlight-band {
      border-top: 1px solid rgba(0, 240, 255, .16);
      border-bottom: 1px solid rgba(0, 240, 255, .16);
      background:
        linear-gradient(90deg, rgba(0, 240, 255, 0.08), transparent 42%),
        rgba(255, 255, 255, 0.025);
    }

    .reward-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 26px;
      align-items: start;
    }

    .reward-meter {
      border: 1px solid rgba(204, 255, 0, .24);
      background: linear-gradient(145deg, rgba(204,255,0,.12), rgba(0,240,255,.08));
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow);
    }

    .reward-meter .big {
      display: block;
      color: var(--lime);
      font-size: clamp(2.4rem, 6vw, 5rem);
      font-weight: 950;
      line-height: 1;
    }

    .meter-bar {
      margin: 20px 0 12px;
      height: 13px;
      border-radius: 999px;
      background: rgba(255,255,255,.1);
      overflow: hidden;
    }

    .meter-bar i {
      display: block;
      width: 78%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--lime));
      box-shadow: 0 0 18px rgba(204,255,0,.34);
    }

    .reward-list {
      display: grid;
      gap: 13px;
    }

    .reward-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.09);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .reward-item:hover {
      transform: translateX(4px);
      border-color: rgba(0,240,255,.38);
      background: rgba(0,240,255,.08);
    }

    .icon-badge {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      font-weight: 950;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.18);
    }

    .reward-item p,
    .feature-card p,
    .story-card p,
    .quote-card p,
    .price-card p,
    .faq-item p {
      margin: 7px 0 0;
      color: var(--muted);
      line-height: 1.62;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: max-content;
      padding: 7px 10px;
      border-radius: 999px;
      color: #061118;
      background: var(--lime);
      font-size: .76rem;
      font-weight: 950;
    }

    .material-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 26px;
      align-items: center;
    }

    .media-panel {
      position: relative;
      min-height: 390px;
      border-radius: 28px;
      overflow: hidden;
      border: 1px solid rgba(0,240,255,.22);
      box-shadow: var(--shadow);
    }

    .media-panel img {
      width: 100%;
      height: 100%;
      min-height: 390px;
      object-fit: cover;
    }

    .media-panel .overlay-label {
      position: absolute;
      left: 18px;
      bottom: 18px;
      right: 18px;
      padding: 16px;
      border-radius: 18px;
      background: rgba(5, 10, 24, 0.74);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255,255,255,.12);
    }

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

    .feature-card {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.05);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0,240,255,.42);
      box-shadow: var(--glow);
    }

    .category-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .category-card {
      min-height: 242px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid rgba(0,240,255,.24);
      background: #0d1930;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .category-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .78;
      transition: transform .4s ease;
    }

    .category-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(2,6,16,.96), rgba(2,6,16,.34));
    }

    .category-card:hover {
      transform: translateY(-6px);
      border-color: rgba(204,255,0,.6);
      box-shadow: 0 22px 54px rgba(0,0,0,.34);
    }

    .category-card:hover img {
      transform: scale(1.06);
    }

    .category-content {
      position: relative;
      z-index: 1;
      padding: 22px;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 24px;
      align-items: start;
    }

    .news-list {
      border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(255,255,255,.045);
    }

    .news-item {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 16px;
      padding: 16px;
      border-bottom: 1px solid rgba(255,255,255,.08);
      transition: background .2s ease;
    }

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

    .news-item:hover {
      background: rgba(0,240,255,.07);
    }

    .news-meta {
      color: var(--lime);
      font-size: .84rem;
      font-weight: 900;
    }

    .news-title {
      font-size: 1.03rem;
      font-weight: 920;
      line-height: 1.35;
    }

    .news-summary {
      margin-top: 6px;
      color: var(--muted);
      font-size: .93rem;
      line-height: 1.58;
    }

    .recommend-panel {
      padding: 20px;
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(0,240,255,.11), rgba(204,255,0,.06));
      border: 1px solid rgba(0,240,255,.22);
      position: sticky;
      top: 92px;
    }

    .recommend-panel ul {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .recommend-panel li {
      display: flex;
      gap: 10px;
      color: #d8e8ed;
      font-weight: 760;
    }

    .recommend-panel li::before {
      content: "✓";
      color: var(--lime);
      font-weight: 950;
    }

    .steps {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 16px;
      counter-reset: step;
    }

    .step-card {
      counter-increment: step;
      position: relative;
      padding: 22px;
      min-height: 210px;
      border-radius: 22px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
      overflow: hidden;
    }

    .step-card::before {
      content: "0" counter(step);
      position: absolute;
      right: 18px;
      top: 8px;
      color: rgba(0,240,255,.16);
      font-size: 4.4rem;
      line-height: 1;
      font-weight: 950;
    }

    .step-card p {
      position: relative;
      margin: 10px 0 0;
      color: var(--muted);
    }

    .quote-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: start;
    }

    .score-card {
      padding: 24px;
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(204,255,0,.13), rgba(0,240,255,.08));
      border: 1px solid rgba(204,255,0,.24);
      box-shadow: var(--shadow);
    }

    .score {
      display: flex;
      align-items: baseline;
      gap: 10px;
      color: var(--lime);
      font-weight: 950;
      font-size: 4rem;
      line-height: 1;
    }

    .score small {
      color: #e9f7fb;
      font-size: 1rem;
    }

    .quote-list {
      display: grid;
      gap: 14px;
    }

    .quote-card {
      padding: 18px;
      border-radius: 20px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
    }

    .quote-card cite {
      display: block;
      margin-top: 12px;
      color: var(--cyan);
      font-style: normal;
      font-weight: 900;
    }

    .price-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .price-card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }

    .price-card.featured {
      border-color: rgba(204,255,0,.48);
      background: linear-gradient(145deg, rgba(204,255,0,.13), rgba(0,240,255,.08));
      box-shadow: var(--glow);
    }

    .price-card:hover {
      transform: translateY(-5px);
      border-color: rgba(0,240,255,.46);
    }

    .price {
      margin: 14px 0 8px;
      color: var(--lime);
      font-size: 2rem;
      font-weight: 950;
      line-height: 1;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 13px;
    }

    .faq-item {
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
    }

    .join-section {
      padding: 78px 0;
      background:
        linear-gradient(100deg, rgba(0, 240, 255, .12), rgba(204, 255, 0, .08)),
        url('/assets/images/backpic/back-3.jpg');
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .join-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(3, 8, 20, .78);
    }

    .join-box {
      position: relative;
      display: grid;
      grid-template-columns: 1fr .82fr;
      gap: 26px;
      align-items: center;
      padding: clamp(24px, 5vw, 42px);
      border-radius: 30px;
      border: 1px solid rgba(0,240,255,.24);
      background: rgba(5, 12, 27, .72);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }

    .lead-form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border-radius: 22px;
      background: rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.1);
    }

    .lead-form label {
      display: grid;
      gap: 7px;
      color: #dce9ef;
      font-size: .9rem;
      font-weight: 850;
    }

    .lead-form input,
    .lead-form select {
      width: 100%;
      min-height: 46px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.08);
      color: var(--text);
      padding: 11px 12px;
      outline: none;
      transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .lead-form select option {
      color: #071426;
    }

    .lead-form input::placeholder {
      color: rgba(220, 233, 239, .62);
    }

    .lead-form input:focus,
    .lead-form select:focus {
      border-color: var(--cyan);
      box-shadow: 0 0 0 4px rgba(0,240,255,.13);
      background: rgba(255,255,255,.11);
    }

    .form-note {
      color: var(--muted);
      font-size: .84rem;
      line-height: 1.55;
    }

    .site-footer {
      padding: 42px 0 28px;
      background: #050912;
      border-top: 1px solid rgba(0,240,255,.16);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr .82fr .82fr;
      gap: 24px;
      align-items: start;
    }

    .footer-title {
      font-weight: 950;
      font-size: 1.05rem;
      margin-bottom: 10px;
    }

    .footer-text,
    .footer-links a,
    .copyright {
      color: var(--muted);
      font-size: .93rem;
      line-height: 1.65;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

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

    .trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 14px;
    }

    .trust-badges span {
      border: 1px solid rgba(0,240,255,.18);
      border-radius: 999px;
      padding: 7px 10px;
      color: #eaf9fc;
      background: rgba(255,255,255,.05);
      font-size: .82rem;
      font-weight: 850;
    }

    .footer-bottom {
      margin-top: 30px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .fab {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 50;
      min-width: 58px;
      height: 58px;
      padding: 0 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 18px;
      color: #ffffff;
      background: rgba(0, 0, 0, 0.6);
      border: 1px solid transparent;
      background-image:
        linear-gradient(rgba(0,0,0,.72), rgba(0,0,0,.72)),
        linear-gradient(135deg, var(--lime), var(--cyan), var(--pink));
      background-origin: border-box;
      background-clip: padding-box, border-box;
      box-shadow: 0 0 18px rgba(0,240,255,.5);
      opacity: .68;
      font-weight: 950;
      transition: transform .22s ease, opacity .22s ease, box-shadow .22s ease;
      animation: floatFab 3s ease-in-out infinite;
    }

    .fab:hover {
      opacity: 1;
      transform: translateY(-3px) scale(1.08);
      box-shadow: 0 0 30px rgba(0,240,255,.72);
    }

    .fab:active {
      transform: translateY(1px) scale(.95);
    }

    .fab .neon {
      color: var(--lime);
      text-shadow: 0 0 10px var(--lime);
      animation: flicker 2.2s infinite;
    }

    .fab::after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -9px;
      border-radius: 999px;
      padding: 3px 6px;
      color: #061118;
      background: var(--lime);
      font-size: .65rem;
      font-weight: 950;
      animation: pulseLight 1.4s infinite;
    }

    @keyframes pulseLight {
      0%, 100% { opacity: .55; transform: scale(.96); }
      50% { opacity: 1; transform: scale(1.06); }
    }

    @keyframes floatFab {
      0%, 100% { translate: 0 0; }
      50% { translate: 0 -7px; }
    }

    @keyframes flicker {
      0%, 18%, 22%, 100% { opacity: 1; }
      20% { opacity: .45; }
    }

    @media (max-width: 1024px) {
      .nav-wrap {
        height: auto;
        min-height: 74px;
        flex-wrap: wrap;
        padding: 10px 0;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
      }

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

      .brand-main {
        max-width: 280px;
      }

      .hero-inner,
      .reward-layout,
      .material-layout,
      .news-layout,
      .quote-grid,
      .faq-grid,
      .join-box {
        grid-template-columns: 1fr;
      }

      .recommend-panel {
        position: static;
      }

      .portal-board {
        min-height: auto;
      }
    }

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 28px, var(--container));
      }

      .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 13px;
      }

      .brand-main {
        max-width: 188px;
        font-size: .88rem;
      }

      .brand-sub {
        display: none;
      }

      .nav-actions {
        margin-left: auto;
        gap: 6px;
      }

      .nav-login {
        padding-inline: 4px;
        font-size: .88rem;
      }

      .nav-actions .btn-primary {
        min-height: 40px;
        padding: 10px 12px;
        font-size: .86rem;
      }

      .hero {
        min-height: auto;
        padding-top: 156px;
      }

      .promo-stage,
      .portal-board,
      .join-box {
        border-radius: 22px;
      }

      .burst {
        width: 90px;
        height: 90px;
        right: 14px;
        top: 14px;
        font-size: .78rem;
      }

      .hero-copy {
        font-size: 1rem;
      }

      .kpi-grid,
      .steps,
      .price-grid,
      .category-strip,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .portal-games {
        grid-template-columns: 1fr;
      }

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

      .news-meta {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
      }

      .footer-bottom {
        flex-direction: column;
      }
    }

    @media (max-width: 520px) {
      .section {
        padding: 54px 0;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn-primary,
      .btn-secondary,
      .btn-dark {
        width: 100%;
      }

      .deadline span {
        width: 100%;
        justify-content: center;
      }

      .reward-item {
        grid-template-columns: 1fr;
      }

      .tag {
        justify-self: start;
      }

      .score {
        font-size: 3rem;
      }

      .fab {
        min-width: 52px;
        height: 52px;
        border-radius: 16px;
        padding: 0 12px;
      }

      .fab span:last-child {
        display: none;
      }
    }

/* roulang page: article */
:root {
      --bg: #0f0c20;
      --bg-deep: #071426;
      --panel: rgba(13, 25, 48, 0.78);
      --panel-strong: #101a31;
      --text: #ffffff;
      --muted: #a6acaf;
      --line: rgba(0, 240, 255, 0.22);
      --cyan: #00f0ff;
      --lime: #ccff00;
      --pink: #ff2ea6;
      --yellow: #ffe66d;
      --danger: #ff4d6d;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
      --glow: 0 0 32px rgba(0, 240, 255, 0.28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: Inter, "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
      background:
        radial-gradient(circle at 15% 10%, rgba(0, 240, 255, 0.16), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(204, 255, 0, 0.13), transparent 30%),
        linear-gradient(145deg, var(--bg), var(--bg-deep) 48%, #050912);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.78), transparent 88%);
    }

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

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

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

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

    :focus-visible {
      outline: 3px solid rgba(204, 255, 0, 0.72);
      outline-offset: 4px;
      border-radius: 12px;
    }

    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin-inline: auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(0, 240, 255, 0.14);
      background: rgba(7, 12, 27, 0.78);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.22);
    }

    .nav-wrap {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      min-width: 0;
      gap: 12px;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #051018;
      font-weight: 950;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-main {
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 0.98rem;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 0.75rem;
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: #dce9ef;
      font-size: 0.92rem;
      font-weight: 800;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(0, 240, 255, 0.12);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #041016;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: var(--glow);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .nav-login {
      border: 0;
      background: transparent;
      color: #e9f7fb;
      font-weight: 850;
      padding: 10px 8px;
      cursor: pointer;
      transition: color .2s ease, transform .2s ease;
    }

    .nav-login:hover {
      color: var(--lime);
      transform: translateY(-1px);
    }

    .btn-primary,
    .btn-secondary,
    .btn-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      min-height: 46px;
      padding: 12px 18px;
      font-weight: 900;
      line-height: 1.15;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }

    .btn-primary {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 15px 38px rgba(0, 240, 255, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px) scale(1.01);
      box-shadow: 0 20px 52px rgba(204, 255, 0, 0.24);
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-dark:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(0, 240, 255, 0.35);
      background: rgba(0, 240, 255, 0.08);
    }

    .btn-secondary:hover {
      border-color: var(--cyan);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }

    .btn-dark {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.13);
    }

    .btn-dark:hover {
      background: rgba(255, 255, 255, 0.13);
      border-color: rgba(204, 255, 0, 0.4);
      transform: translateY(-2px);
    }

    .article-hero {
      position: relative;
      padding: 124px 0 58px;
      overflow: hidden;
      background-image:
        linear-gradient(90deg, rgba(5, 10, 24, 0.96), rgba(5, 10, 24, 0.72) 48%, rgba(5, 10, 24, 0.92)),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
      border-bottom: 1px solid rgba(0, 240, 255, 0.18);
    }

    .article-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 130px;
      background: linear-gradient(to top, var(--bg-deep), transparent);
      pointer-events: none;
    }

    .article-hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(310px, .72fr);
      gap: 28px;
      align-items: stretch;
    }

    .hero-panel {
      padding: 32px;
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(16, 26, 49, 0.88), rgba(7, 18, 36, 0.76));
      border: 1px solid rgba(0, 240, 255, 0.24);
      box-shadow: var(--shadow);
      backdrop-filter: blur(12px);
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--lime);
      background: rgba(204, 255, 0, 0.08);
      border: 1px solid rgba(204, 255, 0, 0.2);
      font-size: 0.83rem;
      font-weight: 900;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 16px rgba(204, 255, 0, .82);
    }

    h1 {
      margin: 0;
      font-size: clamp(2rem, 4vw, 4.2rem);
      line-height: 1.06;
      font-weight: 950;
      letter-spacing: 0;
      max-width: 920px;
    }

    .hero-summary {
      margin: 18px 0 0;
      max-width: 780px;
      color: #d5e8ef;
      font-size: 1.05rem;
      line-height: 1.68;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .meta-chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 7px 11px;
      border-radius: 999px;
      font-size: .85rem;
      font-weight: 850;
      color: #eafcff;
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid rgba(255, 255, 255, 0.11);
    }

    .badge.hot {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      border-color: transparent;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 26px;
    }

    .ranking-panel {
      border-radius: var(--radius);
      background: rgba(8, 18, 35, 0.84);
      border: 1px solid rgba(0, 240, 255, 0.22);
      box-shadow: var(--shadow);
      overflow: hidden;
      backdrop-filter: blur(14px);
    }

    .ranking-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .ranking-head strong {
      font-size: 1rem;
      font-weight: 950;
    }

    .live-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--lime);
      font-size: .82rem;
      font-weight: 900;
    }

    .live-dot::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 18px rgba(204, 255, 0, .78);
      animation: pulseDot 1.2s infinite ease-in-out;
    }

    @keyframes pulseDot {
      0%, 100% { transform: scale(.86); opacity: .72; }
      50% { transform: scale(1.18); opacity: 1; }
    }

    .rank-list {
      display: grid;
      gap: 10px;
      padding: 18px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 34px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px;
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .rank-item:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 240, 255, .38);
      background: rgba(0, 240, 255, .08);
    }

    .rank-no {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      font-weight: 950;
    }

    .rank-name {
      min-width: 0;
    }

    .rank-name b {
      display: block;
      font-size: .96rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .rank-name span {
      color: var(--muted);
      font-size: .82rem;
    }

    .rank-value {
      color: var(--yellow);
      font-weight: 950;
      white-space: nowrap;
    }

    main {
      position: relative;
      z-index: 1;
    }

    .section {
      padding: 72px 0;
    }

    .section.tight {
      padding-top: 40px;
    }

    .section-kicker {
      color: var(--lime);
      font-weight: 950;
      font-size: .86rem;
      margin-bottom: 10px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(1.65rem, 2.6vw, 2.8rem);
      line-height: 1.15;
      font-weight: 950;
      letter-spacing: 0;
    }

    .section-lead {
      margin: 14px 0 0;
      color: #cbd8df;
      max-width: 720px;
      font-size: 1rem;
      line-height: 1.68;
    }

    .content-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 30px;
      align-items: start;
    }

    .article-card {
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(16, 26, 49, 0.78), rgba(8, 19, 38, 0.86));
      border: 1px solid rgba(0, 240, 255, 0.2);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .article-cover {
      position: relative;
      aspect-ratio: 16 / 7;
      overflow: hidden;
      background: #071426;
    }

    .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(1.08) contrast(1.04);
    }

    .article-cover::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 10, 24, 0.76), transparent 62%);
    }

    .article-body {
      padding: 34px;
    }

    .article-content {
      color: #e7f2f6;
      font-size: 1.04rem;
      line-height: 1.68;
    }

    .article-content h2,
    .article-content h3,
    .article-content h4 {
      color: #fff;
      line-height: 1.22;
      font-weight: 950;
      margin: 1.75em 0 .65em;
      letter-spacing: 0;
    }

    .article-content h2 {
      font-size: 1.65rem;
    }

    .article-content h3 {
      font-size: 1.32rem;
    }

    .article-content p {
      margin: 0 0 1.08em;
    }

    .article-content a {
      color: var(--cyan);
      font-weight: 850;
      border-bottom: 1px solid rgba(0, 240, 255, .35);
    }

    .article-content a:hover {
      color: var(--lime);
      border-color: rgba(204, 255, 0, .55);
    }

    .article-content ul,
    .article-content ol {
      margin: 1em 0 1.1em;
      padding-left: 1.25rem;
    }

    .article-content li {
      margin: .45em 0;
    }

    .article-content blockquote {
      margin: 1.4em 0;
      padding: 18px 20px;
      border-left: 4px solid var(--cyan);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      background: rgba(0, 240, 255, .08);
      color: #f2fbff;
    }

    .article-content table {
      width: 100%;
      border-collapse: collapse;
      overflow: hidden;
      border-radius: 14px;
      margin: 1.2em 0;
      display: block;
      overflow-x: auto;
      border: 1px solid rgba(0, 240, 255, .16);
    }

    .article-content th,
    .article-content td {
      padding: 12px 14px;
      border-bottom: 1px solid rgba(255, 255, 255, .09);
      text-align: left;
      white-space: nowrap;
    }

    .article-content th {
      color: var(--lime);
      background: rgba(255, 255, 255, .06);
      font-weight: 950;
    }

    .not-found {
      padding: 38px;
      border-radius: var(--radius);
      background: rgba(16, 26, 49, .82);
      border: 1px solid rgba(255, 77, 109, .34);
      box-shadow: var(--shadow);
    }

    .not-found h2 {
      margin: 0 0 10px;
      font-size: 1.7rem;
      font-weight: 950;
    }

    .not-found p {
      margin: 0 0 22px;
      color: #cbd8df;
    }

    .side-stack {
      display: grid;
      gap: 18px;
      position: sticky;
      top: 96px;
    }

    .side-box {
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(16, 26, 49, .72);
      border: 1px solid rgba(0, 240, 255, .18);
      box-shadow: 0 18px 55px rgba(0,0,0,.24);
    }

    .side-box h2,
    .side-box h3 {
      margin: 0 0 12px;
      font-size: 1.1rem;
      line-height: 1.25;
      font-weight: 950;
    }

    .side-box p {
      margin: 0;
      color: #c9d8de;
      font-size: .95rem;
    }

    .quick-list {
      display: grid;
      gap: 10px;
      margin-top: 16px;
    }

    .quick-list a,
    .quick-list div {
      padding: 12px;
      border-radius: 14px;
      color: #eafcff;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.08);
      transition: transform .18s ease, border-color .18s ease, background .18s ease;
    }

    .quick-list a:hover {
      transform: translateX(3px);
      border-color: rgba(0, 240, 255, .35);
      background: rgba(0, 240, 255, .08);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: center;
    }

    .proof-image {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(0, 240, 255, .2);
      box-shadow: var(--shadow);
    }

    .proof-image img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
    }

    .proof-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(145deg, rgba(0, 240, 255, .13), rgba(204, 255, 0, .06));
      pointer-events: none;
    }

    .feature-list {
      display: grid;
      gap: 14px;
      margin-top: 24px;
    }

    .feature-item {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .feature-icon {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      font-weight: 950;
      box-shadow: 0 0 20px rgba(0,240,255,.23);
    }

    .feature-item h3 {
      margin: 0 0 4px;
      font-size: 1.06rem;
      font-weight: 950;
    }

    .feature-item p {
      margin: 0;
      color: #cbd8df;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 28px;
    }

    .step-card {
      padding: 20px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.09);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .step-card:hover {
      transform: translateY(-4px);
      border-color: rgba(0, 240, 255, .35);
      box-shadow: var(--glow);
    }

    .step-no {
      color: var(--lime);
      font-size: .86rem;
      font-weight: 950;
      margin-bottom: 10px;
    }

    .step-card h3 {
      margin: 0 0 8px;
      font-size: 1.06rem;
      font-weight: 950;
    }

    .step-card p {
      margin: 0;
      color: #cbd8df;
      font-size: .94rem;
    }

    .case-strip {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 28px;
    }

    .case-card {
      position: relative;
      min-height: 230px;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(0, 240, 255, .18);
      background: #071426;
      transition: transform .2s ease, border-color .2s ease;
    }

    .case-card:hover {
      transform: translateY(-5px) scale(1.01);
      border-color: rgba(204, 255, 0, .4);
    }

    .case-card img {
      width: 100%;
      height: 100%;
      min-height: 230px;
      object-fit: cover;
      opacity: .72;
    }

    .case-card .case-content {
      position: absolute;
      inset: auto 0 0;
      padding: 20px;
      background: linear-gradient(to top, rgba(5, 10, 24, .94), transparent);
    }

    .case-content h3 {
      margin: 0 0 6px;
      font-size: 1.12rem;
      font-weight: 950;
    }

    .case-content p {
      margin: 0;
      color: #d8e8ee;
      font-size: .94rem;
    }

    .price-band {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 28px;
    }

    .price-box {
      padding: 24px;
      border-radius: var(--radius);
      background: linear-gradient(145deg, rgba(16,26,49,.82), rgba(7,18,36,.72));
      border: 1px solid rgba(0, 240, 255, .2);
      box-shadow: 0 18px 55px rgba(0,0,0,.22);
    }

    .price-box.highlight {
      border-color: rgba(204, 255, 0, .34);
      box-shadow: 0 0 34px rgba(204,255,0,.12);
    }

    .price-box h3 {
      margin: 0 0 8px;
      font-size: 1.18rem;
      font-weight: 950;
    }

    .price {
      color: var(--lime);
      font-size: 2rem;
      font-weight: 950;
      line-height: 1.1;
      margin: 10px 0;
    }

    .price-note {
      color: #cbd8df;
      margin: 0 0 16px;
    }

    .price-box ul {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
      color: #e8f4f8;
    }

    .price-box li {
      display: flex;
      gap: 9px;
      align-items: flex-start;
    }

    .price-box li::before {
      content: "✓";
      color: var(--lime);
      font-weight: 950;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 30px;
      align-items: start;
    }

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

    .faq-item {
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.09);
      background: rgba(255,255,255,.052);
      overflow: hidden;
    }

    .faq-item summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 950;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 18px;
    }

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

    .faq-item summary::after {
      content: "+";
      color: var(--cyan);
      font-size: 1.2rem;
      line-height: 1;
    }

    .faq-item[open] summary::after {
      content: "−";
      color: var(--lime);
    }

    .faq-item p {
      margin: 0;
      padding: 0 20px 18px;
      color: #cbd8df;
    }

    .cta-section {
      padding: 78px 0;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: calc(var(--radius) + 8px);
      padding: 36px;
      background-image:
        linear-gradient(110deg, rgba(8, 18, 35, .94), rgba(8, 18, 35, .66)),
        url('/assets/images/backpic/back-3.jpg');
      background-size: cover;
      background-position: center;
      border: 1px solid rgba(0, 240, 255, .24);
      box-shadow: var(--shadow);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(0,240,255,.12), rgba(204,255,0,.08));
      pointer-events: none;
    }

    .cta-content {
      position: relative;
      z-index: 1;
      max-width: 760px;
    }

    .cta-content h2 {
      margin: 0;
      font-size: clamp(1.8rem, 3vw, 3rem);
      line-height: 1.13;
      font-weight: 950;
    }

    .cta-content p {
      margin: 14px 0 0;
      color: #d8e9ef;
      max-width: 650px;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 24px;
    }

    .support-fab {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 50;
      min-width: 54px;
      min-height: 54px;
      border: 1px solid transparent;
      border-radius: 18px;
      padding: 3px;
      background: linear-gradient(135deg, var(--lime), var(--cyan), var(--pink));
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
      opacity: .68;
      cursor: pointer;
      transition: transform .22s ease, opacity .22s ease, box-shadow .22s ease, filter .22s ease;
      animation: fabBreath 2.4s infinite ease-in-out;
    }

    .support-fab span {
      width: 50px;
      height: 50px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(0, 0, 0, .7);
      backdrop-filter: blur(10px);
      font-weight: 950;
      text-shadow: 0 0 12px rgba(0, 240, 255, .85);
    }

    .support-fab::after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -10px;
      padding: 2px 6px;
      border-radius: 999px;
      color: #fff;
      background: var(--pink);
      font-size: .62rem;
      font-weight: 950;
      box-shadow: 0 0 14px rgba(255, 46, 166, .7);
      animation: blinkNew 1s infinite;
    }

    .support-fab:hover {
      opacity: 1;
      transform: translateY(-3px) scale(1.08);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.78);
    }

    .support-fab:hover span {
      animation: flicker .7s ease;
    }

    .support-fab:active {
      transform: translateY(1px) scale(.94);
      filter: hue-rotate(60deg);
    }

    @keyframes fabBreath {
      0%, 100% { opacity: .62; }
      50% { opacity: .82; }
    }

    @keyframes blinkNew {
      0%, 100% { opacity: 1; }
      50% { opacity: .42; }
    }

    @keyframes flicker {
      0%, 100% { opacity: 1; }
      20% { opacity: .42; }
      36% { opacity: 1; }
      54% { opacity: .62; }
      76% { opacity: 1; }
    }

    .site-footer {
      padding: 54px 0 28px;
      border-top: 1px solid rgba(0, 240, 255, 0.16);
      background: rgba(5, 10, 22, 0.78);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr 1fr;
      gap: 34px;
      align-items: start;
    }

    .footer-text {
      margin: 16px 0 0;
      color: #b8c8cf;
      max-width: 520px;
    }

    .trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .trust-badges span {
      padding: 7px 10px;
      border-radius: 999px;
      color: #eafcff;
      background: rgba(255,255,255,.06);
      border: 1px solid rgba(255,255,255,.1);
      font-size: .82rem;
      font-weight: 850;
    }

    .footer-title {
      font-size: .95rem;
      font-weight: 950;
      margin-bottom: 14px;
      color: #fff;
    }

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

    .footer-links a {
      color: #b8c8cf;
      transition: color .2s ease, transform .2s ease;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 34px;
      padding-top: 22px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .copyright {
      margin: 0;
      color: #91a2aa;
      font-size: .88rem;
    }

    @media (max-width: 1024px) {
      .nav-wrap {
        height: auto;
        min-height: 76px;
        padding: 12px 0;
        flex-wrap: wrap;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
      }

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

      .article-hero-grid,
      .content-shell,
      .proof-grid,
      .faq-wrap {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

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

      .price-band {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 768px) {
      .site-container {
        width: min(var(--container), calc(100% - 28px));
      }

      .brand-main {
        max-width: 210px;
      }

      .nav-actions {
        margin-left: auto;
      }

      .nav-login {
        padding-inline: 4px;
        font-size: .9rem;
      }

      .btn-primary,
      .btn-secondary,
      .btn-dark {
        min-height: 44px;
        padding: 11px 14px;
        font-size: .92rem;
      }

      .article-hero {
        padding-top: 156px;
      }

      .hero-panel,
      .article-body,
      .cta-panel {
        padding: 24px;
      }

      .article-cover {
        aspect-ratio: 4 / 3;
      }

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

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

    @media (max-width: 520px) {
      .site-container {
        width: min(var(--container), calc(100% - 22px));
      }

      .brand {
        gap: 8px;
      }

      .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        font-size: .86rem;
      }

      .brand-main {
        max-width: 155px;
        font-size: .88rem;
      }

      .brand-sub {
        display: none;
      }

      .nav-wrap {
        gap: 10px;
      }

      .nav-actions {
        gap: 6px;
      }

      .nav-login {
        font-size: .84rem;
      }

      .nav-actions .btn-primary {
        padding: 10px 12px;
        min-height: 40px;
      }

      .nav-links a {
        padding: 9px 12px;
        font-size: .86rem;
      }

      .article-hero {
        padding: 148px 0 42px;
      }

      h1 {
        font-size: 2rem;
        overflow-wrap: anywhere;
      }

      .hero-summary,
      .section-lead,
      .article-content {
        font-size: .98rem;
      }

      .hero-panel,
      .ranking-panel,
      .article-card,
      .side-box,
      .price-box,
      .cta-panel {
        border-radius: 18px;
      }

      .hero-panel,
      .article-body,
      .not-found,
      .cta-panel {
        padding: 20px;
      }

      .ranking-head {
        padding: 18px;
      }

      .rank-list {
        padding: 14px;
      }

      .rank-item {
        grid-template-columns: 30px 1fr;
      }

      .rank-value {
        grid-column: 2;
      }

      .section {
        padding: 54px 0;
      }

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

      .price {
        font-size: 1.65rem;
      }

      .support-fab {
        left: 1rem;
        bottom: 5.5rem;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #0f0c20;
      --bg-deep: #071426;
      --panel: rgba(13, 25, 48, 0.78);
      --panel-strong: #101a31;
      --text: #ffffff;
      --muted: #a6acaf;
      --line: rgba(0, 240, 255, 0.22);
      --cyan: #00f0ff;
      --lime: #ccff00;
      --pink: #ff2ea6;
      --yellow: #ffe66d;
      --danger: #ff4d6d;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
      --glow: 0 0 32px rgba(0, 240, 255, 0.28);
      --container: 1180px;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      color: var(--text);
      font-family: Inter, "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
      background:
        radial-gradient(circle at 15% 10%, rgba(0, 240, 255, 0.16), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(204, 255, 0, 0.13), transparent 30%),
        linear-gradient(145deg, var(--bg), var(--bg-deep) 48%, #050912);
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.78), transparent 88%);
    }
    a {
      color: inherit;
      text-decoration: none;
    }
    img {
      display: block;
      max-width: 100%;
      height: auto;
    }
    button,
    input,
    select,
    textarea {
      font: inherit;
    }
    button,
    a,
    input,
    select {
      -webkit-tap-highlight-color: transparent;
    }
    :focus-visible {
      outline: 3px solid rgba(204, 255, 0, 0.9);
      outline-offset: 4px;
    }
    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin-inline: auto;
    }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(0, 240, 255, 0.14);
      background: rgba(7, 12, 27, 0.78);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.22);
    }
    .nav-wrap {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      min-width: 0;
      gap: 12px;
      font-weight: 900;
      letter-spacing: 0;
    }
    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #051018;
      font-weight: 950;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
      flex: 0 0 auto;
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }
    .brand-main {
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 0.98rem;
    }
    .brand-sub {
      color: var(--muted);
      font-size: 0.75rem;
      font-weight: 700;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
    }
    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: #dce9ef;
      font-size: 0.92rem;
      font-weight: 800;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover {
      color: var(--text);
      background: rgba(0, 240, 255, 0.12);
      transform: translateY(-1px);
    }
    .nav-links a.active {
      color: #041016;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: var(--glow);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }
    .nav-login {
      border: 0;
      background: transparent;
      color: #e9f7fb;
      font-weight: 850;
      padding: 10px 8px;
      cursor: pointer;
      transition: color .2s ease, transform .2s ease;
    }
    .nav-login:hover {
      color: var(--lime);
      transform: translateY(-1px);
    }
    .btn-primary,
    .btn-secondary,
    .btn-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      min-height: 46px;
      padding: 12px 18px;
      font-weight: 900;
      line-height: 1.15;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }
    .btn-primary {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 15px 38px rgba(0, 240, 255, 0.22);
    }
    .btn-primary:hover {
      transform: translateY(-2px) scale(1.01);
      box-shadow: 0 20px 52px rgba(204, 255, 0, 0.24);
    }
    .btn-primary:active,
    .btn-secondary:active,
    .btn-dark:active {
      transform: translateY(1px) scale(.98);
    }
    .btn-secondary {
      color: var(--text);
      border-color: rgba(0, 240, 255, 0.35);
      background: rgba(0, 240, 255, 0.08);
    }
    .btn-secondary:hover {
      border-color: var(--cyan);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }
    .btn-dark {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.13);
    }
    .btn-dark:hover {
      background: rgba(255, 255, 255, 0.13);
      border-color: rgba(204, 255, 0, 0.4);
      transform: translateY(-2px);
    }
    .section {
      padding: 82px 0;
      position: relative;
    }
    .section.tight {
      padding-top: 46px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--lime);
      font-size: .83rem;
      font-weight: 900;
      letter-spacing: 0;
      margin-bottom: 14px;
    }
    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 16px rgba(204, 255, 0, .75);
    }
    .section-title {
      font-size: clamp(2rem, 4vw, 3.8rem);
      line-height: 1.05;
      font-weight: 950;
      letter-spacing: 0;
      margin: 0;
    }
    .section-lead {
      color: #c6d0d4;
      font-size: 1.05rem;
      max-width: 720px;
      margin-top: 18px;
    }
    .hero-category {
      min-height: 690px;
      padding: 128px 0 68px;
      background-image:
        linear-gradient(90deg, rgba(5, 10, 24, 0.95), rgba(5, 10, 24, 0.62) 48%, rgba(5, 10, 24, 0.9)),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
      position: relative;
      overflow: hidden;
    }
    .hero-category::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 150px;
      background: linear-gradient(to top, var(--bg-deep), transparent);
      pointer-events: none;
    }
    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(340px, .78fr);
      gap: 34px;
      align-items: center;
    }
    .hero-copy {
      max-width: 760px;
    }
    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 22px;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 8px 12px;
      color: #eafcff;
      border: 1px solid rgba(0, 240, 255, 0.26);
      background: rgba(0, 240, 255, 0.08);
      font-size: .84rem;
      font-weight: 850;
    }
    .tag.hot {
      color: #061118;
      border-color: transparent;
      background: linear-gradient(135deg, var(--yellow), var(--lime));
    }
    h1 {
      font-size: clamp(2.45rem, 5.4vw, 5.9rem);
      line-height: .98;
      font-weight: 950;
      letter-spacing: 0;
      margin: 0;
      max-width: 920px;
    }
    .hero-copy p {
      color: #d7e3e7;
      font-size: clamp(1rem, 1.7vw, 1.2rem);
      max-width: 710px;
      margin: 22px 0 0;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }
    .download-panel {
      border: 1px solid rgba(0, 240, 255, 0.24);
      background: linear-gradient(180deg, rgba(16, 26, 49, 0.86), rgba(7, 14, 28, 0.88));
      border-radius: var(--radius);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
    }
    .panel-top {
      padding: 18px 20px;
      border-bottom: 1px solid rgba(0, 240, 255, 0.18);
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
    }
    .panel-title {
      font-size: 1rem;
      font-weight: 950;
    }
    .status-live {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--lime);
      font-weight: 900;
      font-size: .82rem;
      white-space: nowrap;
    }
    .status-live::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--lime);
      box-shadow: 0 0 15px rgba(204,255,0,.8);
      animation: pulseDot 1.4s infinite;
    }
    @keyframes pulseDot {
      0%, 100% { opacity: .55; transform: scale(.86); }
      50% { opacity: 1; transform: scale(1.16); }
    }
    .time-slots {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      padding: 20px;
    }
    .slot {
      border: 1px solid rgba(255,255,255,.11);
      background: rgba(255,255,255,.045);
      border-radius: 16px;
      padding: 14px;
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .slot strong {
      display: block;
      font-size: 1rem;
      color: #fff;
      margin-bottom: 4px;
    }
    .slot span {
      color: var(--muted);
      font-size: .85rem;
      font-weight: 750;
    }
    .slot.active,
    .slot:hover {
      transform: translateY(-3px);
      border-color: rgba(204, 255, 0, 0.65);
      background: rgba(204, 255, 0, 0.08);
    }
    .panel-cta {
      padding: 0 20px 20px;
    }
    .quick-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 30px;
      max-width: 740px;
    }
    .stat-pill {
      padding: 15px;
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.055);
      border-radius: 18px;
    }
    .stat-pill b {
      display: block;
      font-size: 1.2rem;
      color: var(--cyan);
    }
    .stat-pill span {
      color: var(--muted);
      font-size: .85rem;
      font-weight: 750;
    }
    .value-layout {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
      gap: 42px;
      align-items: start;
    }
    .value-aside {
      position: sticky;
      top: 104px;
    }
    .feature-list {
      display: grid;
      gap: 16px;
    }
    .feature-item {
      display: grid;
      grid-template-columns: 48px 1fr;
      gap: 14px;
      padding: 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(0, 240, 255, 0.18);
      background: rgba(255,255,255,.045);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }
    .feature-item:hover {
      transform: translateY(-3px);
      border-color: rgba(0,240,255,.48);
      box-shadow: 0 0 28px rgba(0,240,255,.12);
    }
    .icon-box {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #061118;
      font-weight: 950;
      background: linear-gradient(135deg, var(--cyan), var(--lime));
    }
    .feature-item h3,
    .scenario h3,
    .story h3,
    .price-box h3 {
      margin: 0 0 6px;
      font-size: 1.12rem;
      font-weight: 950;
      letter-spacing: 0;
    }
    .feature-item p,
    .scenario p,
    .story p,
    .price-box p {
      margin: 0;
      color: #c4ced4;
    }
    .media-strip {
      margin-top: 26px;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      align-items: stretch;
    }
    .media-card {
      position: relative;
      min-height: 310px;
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(0,240,255,.2);
      background: #0b1629;
    }
    .media-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 310px;
    }
    .media-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5,10,24,.92), rgba(5,10,24,.08));
    }
    .media-caption {
      position: absolute;
      z-index: 1;
      left: 20px;
      right: 20px;
      bottom: 20px;
    }
    .media-caption b {
      display: block;
      font-size: 1.08rem;
      margin-bottom: 5px;
    }
    .media-caption span {
      color: #d6e2e7;
      font-size: .92rem;
    }
    .category-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }
    .tab-chip {
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.055);
      color: #e7f4f6;
      border-radius: 999px;
      padding: 10px 14px;
      font-weight: 850;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
    }
    .tab-chip:hover,
    .tab-chip.active {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      border-color: transparent;
      transform: translateY(-2px);
    }
    .game-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
      margin-top: 28px;
    }
    .game-card {
      position: relative;
      min-height: 230px;
      border-radius: 18px;
      overflow: hidden;
      border: 1px solid rgba(0,240,255,.22);
      background: rgba(255,255,255,.05);
      transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }
    .game-card:hover {
      transform: translateY(-7px) scale(1.02);
      border-color: rgba(204,255,0,.58);
      box-shadow: 0 0 32px rgba(0,240,255,.22);
    }
    .game-card img {
      height: 230px;
      width: 100%;
      object-fit: cover;
    }
    .game-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5,10,24,.94), rgba(5,10,24,.16) 62%, transparent);
    }
    .game-info {
      position: absolute;
      z-index: 1;
      left: 14px;
      right: 14px;
      bottom: 14px;
    }
    .game-info b {
      display: block;
      font-size: 1rem;
      font-weight: 950;
    }
    .game-info span {
      color: #c9d5da;
      font-size: .86rem;
      display: block;
      margin-top: 3px;
    }
    .corner-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      padding: 6px 9px;
      border-radius: 999px;
      color: #071018;
      background: var(--lime);
      font-size: .74rem;
      font-weight: 950;
    }
    .scenario-wrap {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 36px;
      align-items: center;
    }
    .scenario-list {
      display: grid;
      gap: 14px;
    }
    .scenario {
      padding: 18px 0 18px 22px;
      border-left: 3px solid rgba(0,240,255,.45);
    }
    .scenario:nth-child(2) {
      border-color: rgba(204,255,0,.55);
    }
    .scenario:nth-child(3) {
      border-color: rgba(255,46,166,.5);
    }
    .phone-panel {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(0,240,255,.22);
      background: rgba(255,255,255,.045);
      box-shadow: var(--shadow);
    }
    .phone-panel img {
      width: 100%;
      min-height: 430px;
      object-fit: cover;
    }
    .steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }
    .step {
      padding: 20px;
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.1);
    }
    .step-num {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: #061118;
      font-weight: 950;
      background: var(--cyan);
      margin-bottom: 16px;
    }
    .step h3 {
      font-size: 1.05rem;
      font-weight: 950;
      margin: 0 0 7px;
    }
    .step p {
      color: #c4ced4;
      margin: 0;
      font-size: .95rem;
    }
    .story-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
      margin-top: 30px;
    }
    .story {
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(0,240,255,.18);
      background: rgba(255,255,255,.045);
    }
    .story strong {
      display: block;
      color: var(--lime);
      font-size: 2.1rem;
      line-height: 1;
      margin-bottom: 14px;
    }
    .proof-bars {
      display: grid;
      gap: 16px;
    }
    .bar-item {
      padding: 18px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255,255,255,.1);
      background: rgba(255,255,255,.045);
    }
    .bar-head {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: #eaf8fa;
      font-weight: 900;
      margin-bottom: 10px;
    }
    .bar-track {
      height: 9px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }
    .bar-fill {
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--cyan), var(--lime));
      box-shadow: 0 0 18px rgba(0,240,255,.3);
    }
    .price-layout {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 28px;
      align-items: start;
    }
    .price-box {
      border-radius: var(--radius);
      padding: 26px;
      background: linear-gradient(180deg, rgba(16,26,49,.88), rgba(11,19,37,.72));
      border: 1px solid rgba(0,240,255,.2);
      box-shadow: var(--shadow);
    }
    .price-box.highlight {
      border-color: rgba(204,255,0,.5);
      box-shadow: 0 0 40px rgba(204,255,0,.14);
    }
    .price-tag {
      display: flex;
      align-items: end;
      gap: 8px;
      margin: 20px 0 10px;
    }
    .price-tag b {
      font-size: clamp(2rem, 4vw, 3.2rem);
      line-height: 1;
      color: var(--lime);
    }
    .price-tag span {
      color: var(--muted);
      font-weight: 850;
      margin-bottom: 8px;
    }
    .check-list {
      display: grid;
      gap: 10px;
      margin: 22px 0;
      padding: 0;
      list-style: none;
    }
    .check-list li {
      display: flex;
      gap: 10px;
      color: #d9e5e9;
    }
    .check-list li::before {
      content: "✓";
      color: var(--lime);
      font-weight: 950;
      flex: 0 0 auto;
    }
    .faq-wrap {
      display: grid;
      grid-template-columns: .72fr 1.28fr;
      gap: 34px;
      align-items: start;
    }
    .faq-list {
      display: grid;
      gap: 12px;
    }
    details {
      border: 1px solid rgba(255,255,255,.11);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      overflow: hidden;
    }
    summary {
      cursor: pointer;
      padding: 18px 20px;
      font-weight: 950;
      color: #f4fdff;
      list-style: none;
    }
    summary::-webkit-details-marker {
      display: none;
    }
    details p {
      margin: 0;
      padding: 0 20px 18px;
      color: #c8d4d9;
    }
    details[open] {
      border-color: rgba(0,240,255,.38);
      box-shadow: 0 0 24px rgba(0,240,255,.11);
    }
    .cta-band {
      position: relative;
      overflow: hidden;
      border-top: 1px solid rgba(0,240,255,.16);
      border-bottom: 1px solid rgba(0,240,255,.16);
      background-image:
        linear-gradient(90deg, rgba(5,10,24,.92), rgba(5,10,24,.7)),
        url('/assets/images/backpic/back-3.jpg');
      background-size: cover;
      background-position: center;
    }
    .cta-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
    }
    .cta-inner h2 {
      font-size: clamp(2rem, 4vw, 3.8rem);
      line-height: 1.04;
      margin: 0;
      font-weight: 950;
    }
    .cta-inner p {
      margin: 14px 0 0;
      color: #d4e1e5;
      max-width: 760px;
    }
    .floating-fab {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 50;
      min-width: 58px;
      height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      border-radius: 18px;
      color: #f9ffff;
      border: 1px solid transparent;
      background:
        linear-gradient(rgba(0,0,0,.62), rgba(0,0,0,.62)) padding-box,
        linear-gradient(135deg, var(--lime), var(--cyan), var(--pink)) border-box;
      box-shadow: 0 0 15px rgba(0,240,255,.5);
      opacity: .68;
      backdrop-filter: blur(12px);
      transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      animation: fabFlow 2.8s ease-in-out infinite;
    }
    .floating-fab:hover {
      opacity: 1;
      transform: scale(1.1);
      box-shadow: 0 0 28px rgba(0,240,255,.72);
    }
    .floating-fab:active {
      transform: scale(.95);
      border-color: var(--pink);
    }
    .floating-fab span {
      font-weight: 950;
      color: var(--lime);
      text-shadow: 0 0 12px rgba(204,255,0,.72);
    }
    .floating-fab::after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -7px;
      padding: 2px 6px;
      border-radius: 999px;
      background: var(--pink);
      color: #fff;
      font-size: .62rem;
      font-weight: 950;
      animation: blinkNew 1.1s infinite;
    }
    @keyframes fabFlow {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-5px); }
    }
    @keyframes blinkNew {
      0%, 100% { opacity: .5; }
      50% { opacity: 1; }
    }
    .site-footer {
      padding: 58px 0 26px;
      background: rgba(3, 8, 18, 0.94);
      border-top: 1px solid rgba(0, 240, 255, 0.16);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .65fr .9fr;
      gap: 34px;
      align-items: start;
    }
    .footer-text {
      color: var(--muted);
      margin: 18px 0 0;
      max-width: 520px;
    }
    .trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 18px;
    }
    .trust-badges span {
      border-radius: 999px;
      padding: 7px 10px;
      color: #dff7fb;
      background: rgba(255,255,255,.055);
      border: 1px solid rgba(255,255,255,.1);
      font-size: .8rem;
      font-weight: 850;
    }
    .footer-title {
      font-size: .95rem;
      font-weight: 950;
      color: var(--lime);
      margin-bottom: 14px;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: #d8e6ea;
      transition: color .2s ease, transform .2s ease;
    }
    .footer-links a:hover {
      color: var(--cyan);
      transform: translateX(3px);
    }
    .footer-bottom {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: #9aa9af;
      font-size: .88rem;
    }
    .copyright {
      margin: 0;
    }
    @media (max-width: 1024px) {
      .nav-wrap {
        height: auto;
        min-height: 74px;
        padding: 12px 0;
        flex-wrap: wrap;
      }
      .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
        overflow-x: auto;
      }
      .hero-grid,
      .value-layout,
      .scenario-wrap,
      .price-layout,
      .faq-wrap,
      .story-grid {
        grid-template-columns: 1fr;
      }
      .value-aside {
        position: static;
      }
      .game-grid,
      .steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-inner {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-container {
        width: min(var(--container), calc(100% - 28px));
      }
      .brand-main {
        max-width: 190px;
      }
      .nav-actions {
        margin-left: auto;
      }
      .nav-login {
        padding-inline: 4px;
      }
      .btn-primary,
      .btn-secondary,
      .btn-dark {
        min-height: 44px;
        padding: 11px 14px;
      }
      .hero-category {
        min-height: auto;
        padding-top: 150px;
      }
      .hero-grid {
        gap: 24px;
      }
      .time-slots,
      .quick-stats,
      .media-strip,
      .footer-grid,
      .footer-bottom {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        display: grid;
      }
    }
    @media (max-width: 520px) {
      .brand-sub {
        display: none;
      }
      .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
      }
      .nav-wrap {
        gap: 10px;
      }
      .nav-links a {
        padding: 9px 12px;
        font-size: .86rem;
      }
      .nav-login {
        font-size: .88rem;
      }
      .nav-actions .btn-primary {
        padding-inline: 12px;
      }
      h1 {
        font-size: 2.35rem;
      }
      .section {
        padding: 58px 0;
      }
      .game-grid,
      .steps {
        grid-template-columns: 1fr;
      }
      .feature-item {
        grid-template-columns: 42px 1fr;
        padding: 16px;
      }
      .icon-box {
        width: 42px;
        height: 42px;
      }
      .floating-fab {
        left: 1rem;
        bottom: 5.8rem;
        min-width: 52px;
        height: 52px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #0f0c20;
      --bg-deep: #071426;
      --panel: rgba(13, 25, 48, 0.78);
      --panel-strong: #101a31;
      --text: #ffffff;
      --muted: #a6acaf;
      --line: rgba(0, 240, 255, 0.22);
      --cyan: #00f0ff;
      --lime: #ccff00;
      --pink: #ff2ea6;
      --yellow: #ffe66d;
      --danger: #ff4d6d;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
      --glow: 0 0 32px rgba(0, 240, 255, 0.28);
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      color: var(--text);
      font-family: Inter, "Be Vietnam Pro", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.6;
      background:
        radial-gradient(circle at 15% 10%, rgba(0, 240, 255, 0.16), transparent 26%),
        radial-gradient(circle at 86% 18%, rgba(204, 255, 0, 0.13), transparent 30%),
        linear-gradient(145deg, var(--bg), var(--bg-deep) 48%, #050912);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -2;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.78), transparent 88%);
    }

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

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

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

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

    :focus-visible {
      outline: 3px solid rgba(204, 255, 0, 0.9);
      outline-offset: 4px;
    }

    .site-container {
      width: min(var(--container), calc(100% - 36px));
      margin-inline: auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 60;
      border-bottom: 1px solid rgba(0, 240, 255, 0.14);
      background: rgba(7, 12, 27, 0.78);
      backdrop-filter: blur(18px);
      box-shadow: 0 16px 45px rgba(0, 0, 0, 0.22);
    }

    .nav-wrap {
      height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      min-width: 0;
      gap: 12px;
      font-weight: 900;
      letter-spacing: 0;
    }

    .brand-mark {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #051018;
      font-weight: 950;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.35);
      flex: 0 0 auto;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
    }

    .brand-main {
      max-width: 330px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      font-size: 0.98rem;
    }

    .brand-sub {
      color: var(--muted);
      font-size: 0.75rem;
      font-weight: 700;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
    }

    .nav-links a {
      padding: 10px 14px;
      border-radius: 999px;
      color: #dce9ef;
      font-size: 0.92rem;
      font-weight: 800;
      transition: color .2s ease, background .2s ease, transform .2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover {
      color: var(--text);
      background: rgba(0, 240, 255, 0.12);
      transform: translateY(-1px);
    }

    .nav-links a.active {
      color: #041016;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: var(--glow);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }

    .nav-login {
      border: 0;
      background: transparent;
      color: #e9f7fb;
      font-weight: 850;
      padding: 10px 8px;
      cursor: pointer;
      transition: color .2s ease, transform .2s ease;
    }

    .nav-login:hover {
      color: var(--lime);
      transform: translateY(-1px);
    }

    .btn-primary,
    .btn-secondary,
    .btn-dark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      border-radius: 999px;
      min-height: 46px;
      padding: 12px 18px;
      font-weight: 900;
      line-height: 1.15;
      border: 1px solid transparent;
      cursor: pointer;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, background .22s ease;
    }

    .btn-primary {
      color: #061118;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 15px 38px rgba(0, 240, 255, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-2px) scale(1.01);
      box-shadow: 0 20px 52px rgba(204, 255, 0, 0.24);
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-dark:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-secondary {
      color: var(--text);
      border-color: rgba(0, 240, 255, 0.35);
      background: rgba(0, 240, 255, 0.08);
    }

    .btn-secondary:hover {
      border-color: var(--cyan);
      box-shadow: var(--glow);
      transform: translateY(-2px);
    }

    .btn-dark {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.13);
    }

    .btn-dark:hover {
      background: rgba(255, 255, 255, 0.13);
      border-color: rgba(204, 255, 0, 0.4);
      transform: translateY(-2px);
    }

    .section {
      padding: 88px 0;
      position: relative;
    }

    .section-tight {
      padding: 58px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--lime);
      font-size: 0.83rem;
      font-weight: 950;
      margin-bottom: 12px;
    }

    .section-kicker::before {
      content: "";
      width: 28px;
      height: 2px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--lime), var(--cyan));
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3.1rem);
      line-height: 1.1;
      font-weight: 950;
      letter-spacing: 0;
      margin: 0;
    }

    .section-copy {
      color: #cdd8de;
      max-width: 760px;
      margin-top: 16px;
      font-size: 1.04rem;
    }

    .page-hero {
      min-height: 690px;
      padding: 122px 0 72px;
      position: relative;
      overflow: hidden;
      background-image:
        linear-gradient(90deg, rgba(5, 10, 24, 0.96), rgba(5, 10, 24, 0.62) 48%, rgba(5, 10, 24, 0.88)),
        url('/assets/images/backpic/back-2.jpg');
      background-size: cover;
      background-position: center;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 150px;
      background: linear-gradient(to top, var(--bg-deep), transparent);
      pointer-events: none;
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 32px;
      align-items: stretch;
    }

    .flash-panel {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-height: 498px;
    }

    .flash-strip {
      width: fit-content;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      border: 1px solid rgba(204, 255, 0, 0.36);
      border-radius: 999px;
      background: rgba(204, 255, 0, 0.08);
      box-shadow: 0 0 26px rgba(204, 255, 0, 0.12);
      color: #efffd7;
      font-size: 0.91rem;
      font-weight: 900;
      margin-bottom: 20px;
    }

    .live-dot {
      width: 9px;
      height: 9px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 16px rgba(204, 255, 0, 0.9);
      animation: pulseDot 1.5s ease-in-out infinite;
    }

    @keyframes pulseDot {
      0%, 100% { transform: scale(.75); opacity: .65; }
      50% { transform: scale(1.08); opacity: 1; }
    }

    h1 {
      max-width: 860px;
      margin: 0;
      font-size: clamp(2.45rem, 5.6vw, 5.7rem);
      line-height: .98;
      letter-spacing: 0;
      font-weight: 950;
    }

    .hero-lead {
      max-width: 710px;
      margin: 22px 0 0;
      color: #dce7ec;
      font-size: clamp(1rem, 1.7vw, 1.18rem);
      line-height: 1.65;
    }

    .countdown {
      display: grid;
      grid-template-columns: repeat(4, minmax(70px, 1fr));
      gap: 10px;
      max-width: 430px;
      margin: 26px 0;
    }

    .time-box {
      padding: 12px 10px;
      border-radius: 18px;
      border: 1px solid rgba(0, 240, 255, 0.24);
      background: rgba(8, 18, 35, 0.72);
      text-align: center;
      box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.07);
    }

    .time-box strong {
      display: block;
      color: var(--cyan);
      font-size: 1.7rem;
      line-height: 1;
      font-weight: 950;
    }

    .time-box span {
      color: var(--muted);
      font-size: 0.75rem;
      font-weight: 800;
    }

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

    .product-card {
      align-self: center;
      border: 1px solid rgba(0, 240, 255, 0.25);
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(16, 26, 49, 0.9), rgba(8, 18, 35, 0.82));
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      transform: rotate(1deg);
      transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
    }

    .product-card:hover {
      transform: rotate(0deg) translateY(-6px) scale(1.02);
      border-color: rgba(204, 255, 0, 0.48);
      box-shadow: 0 28px 90px rgba(0,0,0,.44), 0 0 38px rgba(0, 240, 255, .32);
    }

    .product-image {
      position: relative;
      aspect-ratio: 16 / 10;
      overflow: hidden;
    }

    .product-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(1.08) contrast(1.06);
    }

    .product-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(5, 10, 24, 0.88), transparent 62%);
    }

    .sale-badge {
      position: absolute;
      left: 18px;
      top: 18px;
      z-index: 2;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #081119;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      font-size: 0.78rem;
      font-weight: 950;
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.32);
    }

    .product-body {
      padding: 22px;
    }

    .product-title {
      margin: 0;
      font-size: 1.42rem;
      line-height: 1.25;
      font-weight: 950;
    }

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

    .tag,
    .trust-badges span,
    .mini-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      border: 1px solid rgba(0, 240, 255, 0.22);
      background: rgba(0, 240, 255, 0.08);
      color: #dffaff;
      padding: 7px 10px;
      font-size: 0.78rem;
      font-weight: 850;
    }

    .product-list {
      display: grid;
      gap: 9px;
      margin: 16px 0 20px;
      padding: 0;
      list-style: none;
      color: #dce7ec;
    }

    .product-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }

    .product-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 9px;
      border-radius: 999px;
      background: var(--lime);
      box-shadow: 0 0 12px rgba(204, 255, 0, .72);
      flex: 0 0 auto;
    }

    .value-layout {
      display: grid;
      grid-template-columns: .88fr 1.12fr;
      gap: 34px;
      align-items: start;
    }

    .value-copy {
      position: sticky;
      top: 100px;
    }

    .feature-stack {
      display: grid;
      gap: 16px;
    }

    .feature-row {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 16px;
      padding: 18px;
      border: 1px solid rgba(255,255,255,.08);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .feature-row:hover {
      transform: translateX(5px);
      border-color: rgba(0, 240, 255, 0.32);
      background: rgba(0, 240, 255, 0.075);
    }

    .feature-icon {
      width: 64px;
      height: 64px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: #061118;
      font-weight: 950;
      background: linear-gradient(135deg, var(--lime), var(--cyan));
      box-shadow: 0 0 26px rgba(0,240,255,.24);
    }

    .feature-row h3,
    .scenario h3,
    .case-card h3,
    .price-box h3,
    .faq-item h3 {
      margin: 0 0 8px;
      font-size: 1.12rem;
      line-height: 1.3;
      font-weight: 950;
    }

    .feature-row p,
    .scenario p,
    .case-card p,
    .price-box p,
    .faq-item p {
      margin: 0;
      color: #c9d4dc;
    }

    .portal-band {
      border-block: 1px solid rgba(0, 240, 255, 0.13);
      background:
        linear-gradient(180deg, rgba(0, 240, 255, 0.05), rgba(204, 255, 0, 0.035)),
        rgba(255,255,255,0.02);
    }

    .game-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .game-card {
      position: relative;
      min-height: 210px;
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(0, 240, 255, 0.2);
      background: var(--panel);
      box-shadow: 0 14px 36px rgba(0,0,0,.25);
      transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
    }

    .game-card:hover {
      transform: translateY(-8px) scale(1.025);
      border-color: rgba(204, 255, 0, 0.55);
      box-shadow: 0 24px 56px rgba(0,0,0,.35), 0 0 28px rgba(0, 240, 255, .22);
    }

    .game-card img {
      width: 100%;
      height: 100%;
      min-height: 210px;
      object-fit: cover;
    }

    .game-card::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 50% 10%, rgba(0,240,255,.18), transparent 42%),
        linear-gradient(to top, rgba(5,10,24,.96), rgba(5,10,24,.26));
    }

    .game-content {
      position: absolute;
      inset: auto 16px 16px;
      z-index: 2;
    }

    .game-content h3 {
      margin: 10px 0 4px;
      font-size: 1.05rem;
      font-weight: 950;
    }

    .game-content p {
      margin: 0;
      color: #d0dde5;
      font-size: .9rem;
    }

    .scenario-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .scenario-media {
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid rgba(0, 240, 255, 0.2);
      box-shadow: var(--shadow);
      min-height: 420px;
    }

    .scenario-media img {
      width: 100%;
      height: 100%;
      min-height: 420px;
      object-fit: cover;
    }

    .scenario-list {
      display: grid;
      gap: 14px;
    }

    .scenario {
      padding: 18px 0 18px 20px;
      border-left: 2px solid rgba(0, 240, 255, 0.28);
      transition: border-color .22s ease, transform .22s ease;
    }

    .scenario:hover {
      transform: translateX(5px);
      border-color: var(--lime);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 18px;
      margin-top: 28px;
    }

    .case-card,
    .price-box,
    .faq-item,
    .join-panel {
      border: 1px solid rgba(255,255,255,.09);
      border-radius: var(--radius);
      background: rgba(16, 26, 49, 0.76);
      box-shadow: 0 18px 56px rgba(0,0,0,.25);
    }

    .case-card {
      padding: 24px;
    }

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

    .metric {
      padding: 16px;
      border-radius: 18px;
      background: rgba(0, 240, 255, .065);
      border: 1px solid rgba(0, 240, 255, .16);
    }

    .metric strong {
      display: block;
      color: var(--lime);
      font-size: 1.58rem;
      line-height: 1;
      font-weight: 950;
    }

    .metric span {
      color: var(--muted);
      font-size: .82rem;
      font-weight: 800;
    }

    .price-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 26px;
      align-items: start;
    }

    .price-box {
      padding: 24px;
    }

    .price-highlight {
      border-color: rgba(204,255,0,.34);
      background:
        linear-gradient(135deg, rgba(204,255,0,.09), rgba(0,240,255,.06)),
        rgba(16,26,49,.82);
    }

    .price {
      margin: 14px 0;
      color: var(--cyan);
      font-size: 2.05rem;
      line-height: 1;
      font-weight: 950;
    }

    .price small {
      color: var(--muted);
      font-size: .9rem;
      font-weight: 750;
    }

    .price-list {
      list-style: none;
      margin: 18px 0 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }

    .price-list li {
      display: flex;
      gap: 10px;
      color: #dce7ec;
    }

    .price-list li::before {
      content: "✓";
      color: var(--lime);
      font-weight: 950;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 28px;
      align-items: start;
    }

    .faq-list {
      display: grid;
      gap: 14px;
    }

    .faq-item {
      padding: 20px;
      transition: border-color .22s ease, transform .22s ease;
    }

    .faq-item:hover {
      border-color: rgba(0,240,255,.32);
      transform: translateY(-2px);
    }

    .join-panel {
      padding: 36px;
      overflow: hidden;
      position: relative;
      background:
        linear-gradient(120deg, rgba(204,255,0,.12), rgba(0,240,255,.1), rgba(255,46,166,.08)),
        rgba(16,26,49,.86);
    }

    .join-panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background-image: linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 28px 28px;
      opacity: .35;
      pointer-events: none;
    }

    .join-content {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .join-content h2 {
      margin: 0;
      font-size: clamp(1.8rem, 3vw, 3rem);
      line-height: 1.08;
      font-weight: 950;
    }

    .join-content p {
      margin: 14px 0 0;
      color: #dce7ec;
      max-width: 760px;
    }

    .site-footer {
      padding: 58px 0 28px;
      border-top: 1px solid rgba(0, 240, 255, 0.14);
      background: rgba(5, 10, 24, 0.86);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .footer-text {
      margin: 18px 0 0;
      color: #bfcbd3;
      max-width: 520px;
    }

    .trust-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .footer-title {
      color: var(--text);
      font-size: 1rem;
      font-weight: 950;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: #cbd8df;
      font-weight: 760;
      transition: color .2s ease, transform .2s ease;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      margin-top: 38px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
    }

    .copyright {
      margin: 0;
      color: #95a4ad;
      font-size: .9rem;
    }

    .fab {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 50;
      min-width: 58px;
      min-height: 58px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      background: rgba(0,0,0,.6);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(0, 240, 255, .5);
      box-shadow: 0 0 15px rgba(0,240,255,.5);
      opacity: .62;
      overflow: visible;
      transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      animation: fabBreathe 2.8s ease-in-out infinite;
    }

    .fab::before {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: 20px;
      padding: 2px;
      background: linear-gradient(135deg, var(--lime), var(--cyan), var(--pink), var(--lime));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      animation: neonFlow 3s linear infinite;
    }

    .fab::after {
      content: "NEW";
      position: absolute;
      right: -10px;
      top: -10px;
      padding: 2px 6px;
      border-radius: 999px;
      color: #050912;
      background: var(--lime);
      font-size: .62rem;
      font-weight: 950;
      box-shadow: 0 0 12px rgba(204,255,0,.8);
      animation: blinkNew 1.1s steps(2, end) infinite;
    }

    .fab span {
      font-size: 1.02rem;
      font-weight: 950;
      letter-spacing: 0;
      text-shadow: 0 0 10px rgba(0,240,255,.9);
    }

    .fab:hover {
      opacity: 1;
      transform: translateY(-3px) scale(1.08);
      box-shadow: 0 0 30px rgba(0,240,255,.68);
      border-color: var(--lime);
    }

    .fab:active {
      transform: translateY(1px) scale(.95);
      border-color: var(--pink);
    }

    @keyframes neonFlow {
      to { filter: hue-rotate(360deg); }
    }

    @keyframes fabBreathe {
      0%, 100% { opacity: .62; }
      50% { opacity: .84; }
    }

    @keyframes blinkNew {
      50% { opacity: .25; }
    }

    @media (max-width: 1024px) {
      .nav-wrap {
        height: auto;
        min-height: 74px;
        padding: 10px 0;
        flex-wrap: wrap;
      }

      .brand-main {
        max-width: 250px;
      }

      .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
        scrollbar-width: none;
      }

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

      .page-hero {
        padding-top: 150px;
      }

      .hero-grid,
      .value-layout,
      .scenario-layout,
      .proof-grid,
      .price-layout,
      .faq-grid {
        grid-template-columns: 1fr;
      }

      .value-copy {
        position: static;
      }

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

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

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

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 26px, var(--container));
      }

      .brand-sub {
        display: none;
      }

      .brand-main {
        max-width: 190px;
        font-size: .92rem;
      }

      .nav-actions {
        gap: 6px;
      }

      .nav-login {
        padding: 9px 5px;
        font-size: .88rem;
      }

      .btn-primary,
      .btn-secondary,
      .btn-dark {
        min-height: 43px;
        padding: 11px 14px;
        font-size: .9rem;
      }

      .page-hero {
        min-height: auto;
        padding: 144px 0 54px;
      }

      .flash-panel {
        min-height: auto;
      }

      h1 {
        font-size: clamp(2.15rem, 10vw, 3.45rem);
      }

      .countdown {
        grid-template-columns: repeat(2, 1fr);
        max-width: 100%;
      }

      .product-card {
        transform: none;
      }

      .section {
        padding: 64px 0;
      }

      .game-grid,
      .metric-row {
        grid-template-columns: 1fr;
      }

      .feature-row {
        grid-template-columns: 52px 1fr;
        padding: 16px;
      }

      .feature-icon {
        width: 52px;
        height: 52px;
        border-radius: 15px;
      }

      .scenario-media,
      .scenario-media img {
        min-height: 300px;
      }

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

      .footer-bottom {
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      .brand-mark {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        font-size: .86rem;
      }

      .brand-main {
        max-width: 142px;
      }

      .nav-links a {
        padding: 9px 12px;
        font-size: .86rem;
      }

      .hero-actions {
        align-items: stretch;
      }

      .hero-actions a,
      .product-body .btn-primary,
      .join-content .btn-primary {
        width: 100%;
      }

      .flash-strip {
        width: 100%;
        justify-content: center;
        text-align: center;
        border-radius: 18px;
      }

      .product-body,
      .case-card,
      .price-box,
      .faq-item,
      .join-panel {
        padding: 18px;
      }

      .section-title {
        font-size: 1.88rem;
      }

      .fab {
        left: 16px;
        bottom: 96px;
        min-width: 52px;
        min-height: 52px;
      }
    }