/* roulang page: index */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: rgba(17, 24, 39, .78);
      --panel-solid: #111827;
      --panel-soft: #172033;
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #94a3b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --green: #22c55e;
      --red: #ef4444;
      --amber: #fbbf24;
      --border: rgba(0, 240, 255, .22);
      --border-strong: rgba(0, 240, 255, .58);
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .45);
      --shadow-blue: 0 0 34px rgba(0, 82, 255, .32);
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(rgba(8, 9, 15, .82), rgba(8, 9, 15, .93)),
        radial-gradient(circle at 18% 12%, rgba(0, 240, 255, .18), transparent 30%),
        radial-gradient(circle at 82% 8%, rgba(0, 82, 255, .2), transparent 32%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 92px),
        var(--bg);
      line-height: 1.6;
      min-width: 320px;
      overflow-x: hidden;
    }

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

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    ::selection {
      background: var(--cyan);
      color: #020617;
    }

    .container-page {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      right: 0;
      left: 0;
      z-index: 1000;
      background: rgba(8, 9, 15, .78);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: 74px;
      padding: 0;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      max-width: 360px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid var(--border-strong);
      background: linear-gradient(135deg, rgba(0, 82, 255, .35), rgba(0, 240, 255, .12));
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
      box-shadow: var(--shadow-blue);
      font-weight: 900;
    }

    .brand-text {
      display: block;
      font-size: .95rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: 0;
      color: #f8fafc;
      overflow-wrap: anywhere;
    }

    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
      width: 100%;
      justify-content: space-between;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 0 8px;
      margin: 0;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(0, 240, 255, .1);
      box-shadow: inset 0 0 0 1px rgba(0, 240, 255, .26);
    }

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

    .btn-custom {
      border: 0;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      color: var(--text);
      font-weight: 800;
      line-height: 1.1;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor: pointer;
    }

    .btn-custom:hover {
      transform: translateY(-2px);
      color: var(--text);
    }

    .btn-custom:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-custom:focus-visible,
    .nav-links a:focus-visible,
    .form-control:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(0, 240, 255, .35);
      outline-offset: 3px;
      box-shadow: none;
    }

    .btn-primary-neon {
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #fff;
      box-shadow: 0 12px 34px rgba(0, 82, 255, .38);
    }

    .btn-primary-neon:hover {
      box-shadow: 0 16px 44px rgba(0, 240, 255, .36);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .04);
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .22);
    }

    .btn-ghost:hover {
      background: rgba(0, 240, 255, .09);
      border-color: rgba(0, 240, 255, .35);
      color: var(--text);
    }

    .navbar-toggler {
      border: 1px solid rgba(0, 240, 255, .3);
      width: 44px;
      height: 44px;
      border-radius: 12px;
      padding: 0;
      box-shadow: none;
    }

    .navbar-toggler-icon {
      filter: invert(1);
      width: 1.25rem;
      height: 1.25rem;
    }

    main {
      padding-top: 74px;
    }

    section {
      position: relative;
      padding: 76px 0;
    }

    .hero {
      min-height: 690px;
      display: flex;
      align-items: end;
      padding: 128px 0 42px;
      background:
        linear-gradient(180deg, rgba(8, 9, 15, .25), rgba(8, 9, 15, .94)),
        linear-gradient(90deg, rgba(8, 9, 15, .78), rgba(13, 17, 30, .3)),
        url("/assets/images/backpic/back-1.jpg") center/cover no-repeat;
      overflow: hidden;
    }

    .hero:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(0, 240, 255, .08) 0 1px, transparent 1px 120px),
        linear-gradient(115deg, rgba(0, 82, 255, .22), transparent 45%, rgba(0, 240, 255, .13));
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 1;
      width: 100%;
    }

    .countdown-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      width: min(100%, 1020px);
      margin-bottom: 26px;
      padding: 14px 16px;
      border: 1px solid rgba(0, 240, 255, .34);
      background: rgba(8, 9, 15, .7);
      backdrop-filter: blur(12px);
      border-radius: var(--radius);
      box-shadow: var(--shadow-blue);
    }

    .timer-label {
      color: var(--muted);
      font-weight: 700;
    }

    .timer-grid {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .timer-box {
      min-width: 72px;
      padding: 8px 10px;
      border-radius: 12px;
      background: rgba(0, 82, 255, .22);
      border: 1px solid rgba(0, 240, 255, .22);
      text-align: center;
    }

    .timer-box strong {
      display: block;
      font-size: 1.18rem;
      line-height: 1;
      color: var(--cyan);
    }

    .timer-box span {
      display: block;
      margin-top: 3px;
      font-size: .75rem;
      color: var(--muted-2);
    }

    .hero-copy {
      max-width: 980px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 14px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #e0faff;
      background: rgba(0, 240, 255, .09);
      border: 1px solid rgba(0, 240, 255, .28);
      font-size: .86rem;
      font-weight: 800;
    }

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

    h1 {
      max-width: 960px;
      font-size: clamp(2.2rem, 5.5vw, 5.1rem);
      line-height: 1.02;
      font-weight: 900;
      text-wrap: balance;
    }

    .hero-lead {
      max-width: 760px;
      margin: 20px 0 0;
      color: #dbeafe;
      font-size: 1.08rem;
      line-height: 1.68;
    }

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

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      width: min(100%, 840px);
      margin-top: 28px;
    }

    .metric-pill {
      padding: 14px 16px;
      background: rgba(8, 9, 15, .64);
      border: 1px solid rgba(148, 163, 184, .2);
      border-left-color: rgba(0, 240, 255, .72);
      border-radius: 14px;
    }

    .metric-pill strong {
      display: block;
      color: #fff;
      font-size: 1.25rem;
      line-height: 1.15;
    }

    .metric-pill span {
      display: block;
      margin-top: 4px;
      color: var(--muted);
      font-size: .9rem;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(260px, .65fr);
      gap: 34px;
      align-items: end;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--cyan);
      font-size: .84rem;
      font-weight: 900;
      margin-bottom: 8px;
    }

    .section-title {
      font-size: clamp(1.75rem, 3.2vw, 3rem);
      font-weight: 900;
      line-height: 1.12;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      line-height: 1.68;
    }

    .soft-band {
      background: linear-gradient(180deg, rgba(13, 17, 30, .55), rgba(8, 9, 15, .2));
      border-top: 1px solid rgba(148, 163, 184, .12);
      border-bottom: 1px solid rgba(148, 163, 184, .12);
    }

    .track-row {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
      align-items: stretch;
    }

    .wide-feature {
      min-height: 360px;
      border-radius: var(--radius);
      padding: 28px;
      background:
        linear-gradient(90deg, rgba(8, 9, 15, .9), rgba(8, 9, 15, .38)),
        url("/assets/images/coverpic/cover-1.jpg") center/cover no-repeat;
      border: 1px solid rgba(0, 240, 255, .22);
      display: flex;
      align-items: end;
      overflow: hidden;
    }

    .wide-feature h3 {
      font-size: 1.75rem;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .wide-feature p {
      max-width: 620px;
      margin: 0;
      color: var(--muted);
    }

    .mini-track {
      display: grid;
      grid-template-columns: 1fr;
      gap: 14px;
    }

    .track-item {
      display: grid;
      grid-template-columns: 112px 1fr;
      gap: 14px;
      align-items: center;
      padding: 12px;
      background: rgba(17, 24, 39, .62);
      border: 1px solid rgba(148, 163, 184, .14);
      border-radius: 16px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .track-item:hover {
      transform: translateY(-3px);
      border-color: rgba(0, 240, 255, .42);
      box-shadow: 0 0 26px rgba(0, 240, 255, .12);
    }

    .track-item img {
      width: 112px;
      height: 78px;
      object-fit: cover;
      border-radius: 12px;
    }

    .track-item h3 {
      font-size: 1rem;
      font-weight: 850;
      margin-bottom: 4px;
    }

    .track-item p {
      margin: 0;
      color: var(--muted-2);
      font-size: .9rem;
      line-height: 1.5;
    }

    .rank-layout {
      display: grid;
      grid-template-columns: .78fr 1.22fr;
      gap: 22px;
      align-items: start;
    }

    .rank-panel {
      padding: 24px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(0, 82, 255, .18), rgba(17, 24, 39, .74));
      border: 1px solid rgba(0, 240, 255, .24);
    }

    .rank-panel h3 {
      font-weight: 900;
      margin-bottom: 12px;
    }

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

    .progress-line {
      height: 10px;
      background: rgba(255, 255, 255, .08);
      border-radius: 999px;
      overflow: hidden;
      margin: 13px 0 6px;
    }

    .progress-line span {
      display: block;
      height: 100%;
      width: 82%;
      background: linear-gradient(90deg, var(--green), var(--cyan));
      border-radius: inherit;
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }

    .compare-card {
      padding: 20px;
      border-radius: var(--radius);
      background: rgba(17, 24, 39, .68);
      border: 1px solid rgba(148, 163, 184, .15);
      min-height: 190px;
    }

    .compare-card .tag {
      margin-bottom: 14px;
    }

    .compare-card h3 {
      font-size: 1.15rem;
      font-weight: 900;
      margin-bottom: 9px;
    }

    .compare-card p {
      margin: 0;
      color: var(--muted);
      font-size: .95rem;
    }

    .tag {
      display: inline-flex;
      width: fit-content;
      align-items: center;
      gap: 7px;
      padding: 6px 10px;
      border-radius: 999px;
      color: #dffbff;
      background: rgba(0, 240, 255, .08);
      border: 1px solid rgba(0, 240, 255, .25);
      font-size: .78rem;
      font-weight: 850;
    }

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

    .category-card {
      position: relative;
      min-height: 300px;
      display: flex;
      align-items: end;
      overflow: hidden;
      border-radius: var(--radius);
      border: 1px solid rgba(0, 240, 255, .2);
      background: #0f172a;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .category-card:hover {
      transform: translateY(-5px);
      border-color: rgba(0, 240, 255, .52);
      box-shadow: 0 0 32px rgba(0, 82, 255, .25);
    }

    .category-card img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .66;
      transition: transform .35s ease, opacity .25s ease;
    }

    .category-card:hover img {
      transform: scale(1.05);
      opacity: .78;
    }

    .category-card:after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent, rgba(8, 9, 15, .92));
    }

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

    .category-content h3 {
      font-size: 1.3rem;
      font-weight: 900;
      margin: 10px 0 8px;
    }

    .category-content p {
      color: var(--muted);
      margin: 0 0 14px;
    }

    .link-arrow {
      color: var(--cyan);
      font-weight: 900;
    }

    .story-band {
      padding: 40px;
      border-radius: 24px;
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .16), rgba(0, 240, 255, .07)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      border: 1px solid rgba(0, 240, 255, .23);
      overflow: hidden;
    }

    .story-grid {
      display: grid;
      grid-template-columns: minmax(0, .82fr) minmax(280px, .48fr);
      gap: 28px;
      align-items: center;
    }

    .story-band h2 {
      font-size: clamp(1.8rem, 3.1vw, 3rem);
      font-weight: 900;
      margin-bottom: 16px;
    }

    .story-band p {
      color: #dbeafe;
      margin-bottom: 0;
    }

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

    .proof-item {
      padding: 14px 16px;
      border-radius: 14px;
      background: rgba(8, 9, 15, .66);
      border: 1px solid rgba(255, 255, 255, .12);
      color: var(--muted);
    }

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

    .vertical-card {
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid rgba(148, 163, 184, .16);
      background: rgba(17, 24, 39, .72);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .vertical-card:hover {
      transform: translateY(-5px);
      border-color: rgba(0, 240, 255, .4);
      box-shadow: 0 18px 42px rgba(0, 0, 0, .3);
    }

    .vertical-media {
      position: relative;
      aspect-ratio: 9 / 12;
      overflow: hidden;
    }

    .vertical-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: .82;
    }

    .vertical-media .badge-hot {
      position: absolute;
      top: 12px;
      left: 12px;
    }

    .vertical-body {
      padding: 16px;
    }

    .vertical-body h3 {
      font-size: 1rem;
      font-weight: 900;
      margin-bottom: 7px;
    }

    .vertical-body p {
      color: var(--muted-2);
      margin: 0 0 14px;
      font-size: .9rem;
    }

    .badge-hot {
      display: inline-flex;
      align-items: center;
      padding: 5px 9px;
      border-radius: 999px;
      background: rgba(239, 68, 68, .92);
      color: #fff;
      font-size: .72rem;
      font-weight: 900;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 22px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      padding: 18px 20px;
      border-radius: 16px;
      background: rgba(17, 24, 39, .68);
      border: 1px solid rgba(148, 163, 184, .15);
    }

    .news-item:hover {
      border-color: rgba(0, 240, 255, .36);
      background: rgba(17, 24, 39, .86);
    }

    .news-item h3 {
      font-size: 1.04rem;
      font-weight: 900;
      margin-bottom: 6px;
    }

    .news-item p {
      margin: 0;
      color: var(--muted-2);
      font-size: .94rem;
    }

    .news-meta {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: 8px;
      color: var(--muted-2);
      font-size: .82rem;
      white-space: nowrap;
    }

    .news-empty {
      padding: 22px;
      border-radius: 16px;
      color: var(--muted);
      background: rgba(17, 24, 39, .68);
      border: 1px solid rgba(148, 163, 184, .15);
    }

    .side-reco {
      padding: 22px;
      border-radius: var(--radius);
      background: linear-gradient(180deg, rgba(0, 240, 255, .08), rgba(17, 24, 39, .78));
      border: 1px solid rgba(0, 240, 255, .2);
      position: sticky;
      top: 96px;
    }

    .side-reco h3 {
      font-size: 1.2rem;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .side-reco ul {
      padding: 0;
      margin: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }

    .side-reco li {
      color: var(--muted);
      padding-left: 18px;
      position: relative;
    }

    .side-reco li:before {
      content: "";
      position: absolute;
      left: 0;
      top: .7em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(34, 197, 94, .7);
    }

    .live-box {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
      gap: 24px;
      align-items: center;
      padding: 24px;
      border-radius: 24px;
      background: rgba(17, 24, 39, .72);
      border: 1px solid rgba(0, 240, 255, .22);
    }

    .live-cover {
      min-height: 320px;
      border-radius: 18px;
      background:
        linear-gradient(180deg, rgba(8, 9, 15, .08), rgba(8, 9, 15, .88)),
        url("/assets/images/coverpic/cover-8.jpg") center/cover no-repeat;
      display: flex;
      align-items: end;
      padding: 22px;
    }

    .live-cover h3 {
      font-size: 1.45rem;
      font-weight: 900;
    }

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

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

    .check-list li:before {
      content: "✓";
      display: grid;
      place-items: center;
      width: 22px;
      height: 22px;
      flex: 0 0 22px;
      border-radius: 50%;
      color: #031521;
      background: var(--cyan);
      font-weight: 900;
      font-size: .8rem;
      margin-top: 2px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: minmax(280px, .55fr) minmax(0, 1fr);
      gap: 32px;
      align-items: start;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(148, 163, 184, .16);
      --bs-accordion-btn-color: #ffffff;
      --bs-accordion-active-color: #ffffff;
      --bs-accordion-active-bg: rgba(0, 240, 255, .08);
      --bs-accordion-btn-focus-box-shadow: none;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      border-radius: 16px !important;
      overflow: hidden;
      background: rgba(17, 24, 39, .72);
      border: 1px solid rgba(148, 163, 184, .16);
    }

    .accordion-button {
      font-weight: 900;
      line-height: 1.35;
      padding: 18px 20px;
      background: transparent;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      box-shadow: none;
    }

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

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
    }

    .lead-form {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
      gap: 12px;
      align-items: end;
      margin-top: 22px;
    }

    .form-control {
      min-height: 48px;
      border-radius: 14px;
      color: #fff;
      background: rgba(8, 9, 15, .65);
      border: 1px solid rgba(148, 163, 184, .25);
    }

    .form-control::placeholder {
      color: #94a3b8;
    }

    .form-label {
      color: var(--muted);
      font-size: .88rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .cta-final {
      padding: 54px 0;
      text-align: center;
    }

    .cta-box {
      padding: 42px 28px;
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .24), rgba(0, 240, 255, .1)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      border: 1px solid rgba(0, 240, 255, .25);
      box-shadow: var(--shadow);
    }

    .cta-box h2 {
      font-size: clamp(1.9rem, 3.5vw, 3.2rem);
      font-weight: 900;
      margin-bottom: 12px;
    }

    .cta-box p {
      max-width: 760px;
      margin: 0 auto 24px;
      color: #e2e8f0;
    }

    .site-footer {
      padding: 54px 0 28px;
      background: rgba(3, 7, 18, .88);
      border-top: 1px solid rgba(148, 163, 184, .14);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) repeat(3, minmax(160px, .45fr));
      gap: 28px;
      margin-bottom: 32px;
    }

    .footer-title {
      font-weight: 900;
      margin-bottom: 12px;
      color: #fff;
    }

    .footer-brand {
      font-size: 1.05rem;
      font-weight: 900;
      line-height: 1.35;
      margin-bottom: 10px;
    }

    .footer-text,
    .footer-links a,
    .copyright {
      color: var(--muted-2);
      font-size: .94rem;
    }

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

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid rgba(148, 163, 184, .12);
      color: var(--muted-2);
      font-size: .9rem;
    }

    .fab-support {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 1050;
      min-width: 58px;
      min-height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #e0fbff;
      background: rgba(0, 0, 0, .62);
      border: 1px solid transparent;
      border-radius: 18px;
      opacity: .68;
      backdrop-filter: blur(14px);
      box-shadow: 0 0 18px rgba(0, 240, 255, .5);
      transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      isolation: isolate;
    }

    .fab-support:before {
      content: "";
      position: absolute;
      inset: -2px;
      z-index: -1;
      border-radius: 20px;
      background: linear-gradient(135deg, var(--green), var(--cyan), var(--blue));
      animation: borderFlow 2.8s linear infinite;
    }

    .fab-support:after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -10px;
      padding: 3px 6px;
      border-radius: 999px;
      color: #fff;
      background: var(--red);
      font-size: .64rem;
      font-weight: 900;
      animation: blink .9s infinite alternate;
    }

    .fab-support span {
      font-size: 1.35rem;
      filter: drop-shadow(0 0 8px rgba(0, 240, 255, .9));
    }

    .fab-support:hover {
      opacity: 1;
      transform: translateY(-3px) scale(1.08);
      box-shadow: 0 0 30px rgba(0, 240, 255, .75);
      color: #fff;
    }

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

    @keyframes borderFlow {
      0% { filter: hue-rotate(0deg); opacity: .75; }
      50% { opacity: 1; }
      100% { filter: hue-rotate(360deg); opacity: .75; }
    }

    @keyframes blink {
      from { opacity: .45; }
      to { opacity: 1; }
    }

    @media (max-width: 1199px) {
      .brand-wrap {
        max-width: 300px;
      }

      .nav-links a {
        padding: 8px 9px;
        font-size: .86rem;
      }

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

    @media (max-width: 991px) {
      .navbar-collapse {
        position: absolute;
        left: 16px;
        right: 16px;
        top: 74px;
        padding: 14px;
        background: rgba(8, 9, 15, .96);
        border: 1px solid rgba(0, 240, 255, .24);
        border-radius: 18px;
        box-shadow: var(--shadow);
      }

      .nav-links {
        align-items: stretch;
        padding: 0;
      }

      .nav-links a {
        width: 100%;
      }

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

      .hero {
        min-height: 640px;
      }

      .countdown-strip,
      .section-head,
      .track-row,
      .rank-layout,
      .story-grid,
      .news-layout,
      .live-box,
      .faq-wrap,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .compare-grid,
      .category-strip {
        grid-template-columns: 1fr;
      }

      .side-reco {
        position: static;
      }

      .lead-form {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 767px) {
      .container-page {
        width: min(100% - 24px, var(--container));
      }

      .brand-text {
        font-size: .82rem;
      }

      .brand-wrap {
        max-width: 200px;
      }

      .nav-actions {
        gap: 6px;
      }

      .nav-actions .btn-custom {
        min-height: 38px;
        padding: 8px 10px;
        font-size: .82rem;
      }

      section {
        padding: 56px 0;
      }

      .hero {
        min-height: 650px;
        padding-top: 112px;
      }

      .countdown-strip {
        align-items: flex-start;
      }

      .timer-grid {
        justify-content: flex-start;
      }

      .timer-box {
        min-width: 62px;
      }

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

      .wide-feature,
      .story-band,
      .live-box {
        padding: 20px;
      }

      .track-item {
        grid-template-columns: 88px 1fr;
      }

      .track-item img {
        width: 88px;
        height: 70px;
      }

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

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

      .news-meta {
        align-items: flex-start;
      }

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

    @media (max-width: 520px) {
      h1 {
        font-size: 2rem;
      }

      .hero-lead {
        font-size: .98rem;
      }

      .btn-custom {
        width: 100%;
      }

      .nav-actions .btn-custom {
        width: auto;
      }

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

      .countdown-strip {
        padding: 12px;
      }

      .timer-box {
        flex: 1 1 calc(50% - 8px);
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

      .navbar-toggler {
        width: 40px;
        height: 40px;
      }
    }

/* roulang page: article */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: rgba(17, 24, 39, .78);
      --panel-solid: #111827;
      --panel-soft: #172033;
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #94a3b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --green: #22c55e;
      --red: #ef4444;
      --amber: #fbbf24;
      --border: rgba(0, 240, 255, .22);
      --border-strong: rgba(0, 240, 255, .58);
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .45);
      --shadow-blue: 0 0 34px rgba(0, 82, 255, .32);
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(rgba(8, 9, 15, .84), rgba(8, 9, 15, .96)),
        radial-gradient(circle at 16% 10%, rgba(0, 240, 255, .16), transparent 30%),
        radial-gradient(circle at 84% 6%, rgba(0, 82, 255, .2), transparent 34%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 92px),
        var(--bg);
      line-height: 1.6;
      min-width: 320px;
      overflow-x: hidden;
    }

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

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

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

    button,
    input,
    textarea {
      font: inherit;
    }

    .container-page {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      right: 0;
      left: 0;
      z-index: 1000;
      background: rgba(8, 9, 15, .78);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: 74px;
      padding: 0;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      max-width: 360px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid var(--border-strong);
      background: linear-gradient(135deg, rgba(0, 82, 255, .35), rgba(0, 240, 255, .12));
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
      box-shadow: var(--shadow-blue);
      font-weight: 900;
    }

    .brand-text {
      display: block;
      font-size: .95rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: 0;
      color: #f8fafc;
      overflow-wrap: anywhere;
    }

    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
      width: 100%;
      justify-content: space-between;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 0 8px;
      margin: 0;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(0, 240, 255, .1);
      box-shadow: inset 0 0 0 1px rgba(0, 240, 255, .26);
    }

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

    .btn-custom {
      border: 0;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      color: var(--text);
      font-weight: 800;
      line-height: 1.1;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor: pointer;
    }

    .btn-custom:hover {
      transform: translateY(-2px);
      color: var(--text);
    }

    .btn-custom:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-custom:focus-visible,
    .nav-links a:focus-visible,
    .form-control:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(0, 240, 255, .35);
      outline-offset: 3px;
      box-shadow: none;
    }

    .btn-primary-neon {
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #fff;
      box-shadow: 0 12px 34px rgba(0, 82, 255, .38);
    }

    .btn-primary-neon:hover {
      box-shadow: 0 16px 44px rgba(0, 240, 255, .36);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .04);
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .22);
    }

    .btn-ghost:hover {
      background: rgba(0, 240, 255, .09);
      border-color: rgba(0, 240, 255, .35);
      color: var(--text);
    }

    .navbar-toggler {
      border: 1px solid rgba(0, 240, 255, .3);
      width: 44px;
      height: 44px;
      border-radius: 12px;
      padding: 0;
      box-shadow: none;
    }

    .navbar-toggler-icon {
      filter: invert(1);
      width: 1.25rem;
      height: 1.25rem;
    }

    main {
      padding-top: 74px;
    }

    section {
      position: relative;
      padding: 76px 0;
    }

    .article-hero {
      min-height: 620px;
      display: flex;
      align-items: end;
      padding: 130px 0 48px;
      background:
        linear-gradient(180deg, rgba(8, 9, 15, .22), rgba(8, 9, 15, .96)),
        linear-gradient(90deg, rgba(8, 9, 15, .82), rgba(13, 17, 30, .34)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      overflow: hidden;
    }

    .article-hero:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(0, 240, 255, .08) 0 1px, transparent 1px 118px),
        linear-gradient(115deg, rgba(0, 82, 255, .22), transparent 45%, rgba(0, 240, 255, .13));
      pointer-events: none;
    }

    .article-hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.2fr) 390px;
      gap: 42px;
      align-items: end;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      background: rgba(0, 240, 255, .08);
      border: 1px solid rgba(0, 240, 255, .24);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: .86rem;
      font-weight: 800;
      margin-bottom: 18px;
    }

    .eyebrow:before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 16px rgba(34, 197, 94, .75);
    }

    h1 {
      font-size: clamp(2.35rem, 5vw, 5.2rem);
      line-height: 1.04;
      letter-spacing: 0;
      margin: 0 0 22px;
      font-weight: 950;
      overflow-wrap: anywhere;
    }

    .hero-lead {
      max-width: 820px;
      color: var(--muted);
      font-size: clamp(1.03rem, 1.8vw, 1.25rem);
      margin: 0 0 24px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 22px;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: .92rem;
    }

    .trust-strip span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 10px;
      border: 1px solid rgba(148, 163, 184, .2);
      border-radius: 999px;
      background: rgba(8, 9, 15, .46);
    }

    .trust-strip span:before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 2px;
      background: var(--cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, .7);
    }

    .hero-panel {
      background: rgba(8, 9, 15, .68);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow);
      backdrop-filter: blur(16px);
    }

    .hero-panel img {
      width: 100%;
      height: 190px;
      object-fit: cover;
      border-radius: 14px;
      margin-bottom: 18px;
      border: 1px solid rgba(0, 240, 255, .18);
    }

    .panel-title {
      font-size: 1rem;
      font-weight: 900;
      margin: 0 0 12px;
    }

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

    .panel-list li {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      color: var(--muted);
      border-bottom: 1px solid rgba(148, 163, 184, .14);
      padding-bottom: 10px;
    }

    .panel-list strong {
      color: var(--text);
      white-space: nowrap;
    }

    .summary-bar {
      padding: 28px 0 0;
    }

    .summary-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      transform: translateY(-42px);
      margin-bottom: -42px;
    }

    .metric-card {
      min-height: 136px;
      padding: 20px;
      border: 1px solid rgba(0, 240, 255, .2);
      border-radius: var(--radius-sm);
      background: linear-gradient(180deg, rgba(17, 24, 39, .9), rgba(13, 17, 30, .74));
      box-shadow: 0 18px 42px rgba(0, 0, 0, .26);
    }

    .metric-label {
      color: var(--muted-2);
      font-size: .86rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .metric-value {
      color: var(--text);
      font-size: clamp(1.45rem, 2.6vw, 2.25rem);
      font-weight: 950;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-note {
      color: var(--muted);
      font-size: .92rem;
      margin: 0;
    }

    .section-heading {
      max-width: 760px;
      margin-bottom: 30px;
    }

    .section-kicker {
      color: var(--cyan);
      font-weight: 900;
      font-size: .9rem;
      margin: 0 0 8px;
    }

    h2 {
      font-size: clamp(1.75rem, 3vw, 3rem);
      line-height: 1.15;
      font-weight: 920;
      letter-spacing: 0;
      margin: 0 0 14px;
    }

    .section-heading p {
      color: var(--muted);
      font-size: 1.05rem;
      margin: 0;
    }

    .article-shell {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 330px;
      gap: 42px;
      align-items: start;
    }

    .article-body {
      background: rgba(17, 24, 39, .58);
      border: 1px solid rgba(0, 240, 255, .16);
      border-radius: var(--radius);
      padding: clamp(24px, 4vw, 46px);
      box-shadow: var(--shadow);
    }

    .article-body h2,
    .article-body h3,
    .article-body h4 {
      color: var(--text);
      line-height: 1.2;
      margin: 32px 0 12px;
      font-weight: 900;
    }

    .article-body h2:first-child,
    .article-body h3:first-child {
      margin-top: 0;
    }

    .article-body p,
    .article-body li {
      color: var(--muted);
      font-size: 1.03rem;
      line-height: 1.7;
    }

    .article-body p {
      margin: 0 0 18px;
    }

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

    .article-body ul,
    .article-body ol {
      padding-left: 22px;
      margin: 0 0 20px;
    }

    .article-body blockquote {
      margin: 28px 0;
      padding: 20px 22px;
      border-left: 4px solid var(--cyan);
      background: rgba(0, 240, 255, .07);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: var(--text);
    }

    .missing-content {
      display: grid;
      gap: 16px;
      padding: 34px;
      border: 1px solid rgba(239, 68, 68, .32);
      border-radius: var(--radius);
      background: rgba(239, 68, 68, .08);
    }

    .side-rail {
      position: sticky;
      top: 96px;
      display: grid;
      gap: 16px;
    }

    .rail-card {
      border: 1px solid rgba(0, 240, 255, .18);
      border-radius: var(--radius);
      background: rgba(13, 17, 30, .78);
      padding: 20px;
      box-shadow: 0 18px 44px rgba(0, 0, 0, .24);
    }

    .rail-card img {
      height: 172px;
      width: 100%;
      object-fit: cover;
      border-radius: 14px;
      margin-bottom: 16px;
    }

    .rail-card h3 {
      font-size: 1.05rem;
      font-weight: 900;
      margin: 0 0 10px;
    }

    .rail-card p {
      color: var(--muted);
      margin: 0 0 16px;
      font-size: .95rem;
    }

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

    .check-list li {
      position: relative;
      padding-left: 25px;
      color: var(--muted);
      font-size: .95rem;
    }

    .check-list li:before {
      content: "";
      position: absolute;
      left: 0;
      top: .52em;
      width: 12px;
      height: 12px;
      border-radius: 3px;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      box-shadow: 0 0 14px rgba(0, 240, 255, .4);
    }

    .matrix-section {
      background: linear-gradient(180deg, rgba(13, 17, 30, .52), rgba(8, 9, 15, .1));
    }

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

    .matrix-item {
      min-height: 260px;
      border: 1px solid rgba(0, 240, 255, .16);
      border-radius: var(--radius);
      background: rgba(17, 24, 39, .62);
      padding: 22px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .matrix-item:hover {
      transform: translateY(-5px);
      border-color: rgba(0, 240, 255, .42);
      box-shadow: var(--shadow-blue);
    }

    .matrix-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      color: var(--cyan);
      background: rgba(0, 240, 255, .09);
      border: 1px solid rgba(0, 240, 255, .22);
      font-weight: 950;
      margin-bottom: 18px;
    }

    .matrix-item h3 {
      font-size: 1.15rem;
      font-weight: 900;
      margin: 0 0 10px;
    }

    .matrix-item p {
      color: var(--muted);
      margin: 0;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 34px;
      align-items: center;
    }

    .compare-visual {
      border: 1px solid rgba(0, 240, 255, .18);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(17, 24, 39, .72);
      box-shadow: var(--shadow);
    }

    .compare-visual img {
      width: 100%;
      height: 390px;
      object-fit: cover;
    }

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

    .comparison-row {
      display: grid;
      grid-template-columns: 190px 1fr;
      gap: 18px;
      padding: 18px 0;
      border-bottom: 1px solid rgba(148, 163, 184, .16);
    }

    .comparison-row strong {
      color: var(--text);
      font-size: 1rem;
    }

    .comparison-row p {
      color: var(--muted);
      margin: 0;
    }

    .in-article-cta {
      margin: 34px 0;
      padding: 24px;
      border-radius: var(--radius);
      border: 1px solid rgba(0, 240, 255, .22);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .2), rgba(0, 240, 255, .08)),
        rgba(13, 17, 30, .82);
    }

    .in-article-cta h3 {
      margin: 0 0 8px;
      font-size: 1.3rem;
    }

    .in-article-cta p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .faq-wrap {
      max-width: 900px;
    }

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

    .accordion-item {
      color: var(--text);
      background: rgba(17, 24, 39, .72);
      border: 1px solid rgba(0, 240, 255, .16);
      border-radius: var(--radius-sm) !important;
      overflow: hidden;
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      font-weight: 850;
      padding: 18px 20px;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: var(--text);
      background: rgba(0, 240, 255, .08);
      box-shadow: none;
    }

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

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
    }

    .cta-section {
      padding-top: 34px;
    }

    .cta-panel {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 390px;
      gap: 34px;
      align-items: center;
      border: 1px solid rgba(0, 240, 255, .22);
      border-radius: var(--radius);
      padding: clamp(24px, 5vw, 46px);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .3), rgba(0, 240, 255, .1)),
        rgba(17, 24, 39, .82);
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin-bottom: 12px;
    }

    .cta-panel p {
      color: var(--muted);
      margin: 0 0 22px;
      max-width: 690px;
    }

    .lead-form {
      display: grid;
      gap: 12px;
      background: rgba(8, 9, 15, .56);
      border: 1px solid rgba(148, 163, 184, .18);
      border-radius: var(--radius);
      padding: 20px;
    }

    .form-label {
      color: var(--muted);
      font-size: .9rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .form-control,
    .form-select {
      min-height: 48px;
      color: var(--text);
      background: rgba(15, 23, 42, .9);
      border: 1px solid rgba(148, 163, 184, .24);
      border-radius: 12px;
    }

    .form-control::placeholder {
      color: rgba(203, 213, 225, .55);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      background: rgba(15, 23, 42, .96);
      border-color: rgba(0, 240, 255, .52);
    }

    .form-select option {
      color: #0f172a;
    }

    .site-footer {
      padding: 58px 0 26px;
      background: rgba(4, 6, 12, .86);
      border-top: 1px solid rgba(0, 240, 255, .16);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr .8fr;
      gap: 28px;
      padding-bottom: 28px;
    }

    .footer-brand {
      color: var(--text);
      font-size: 1.1rem;
      font-weight: 950;
      margin-bottom: 10px;
    }

    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 380px;
    }

    .footer-title {
      color: var(--text);
      font-weight: 900;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: .94rem;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      color: var(--muted-2);
      font-size: .9rem;
      padding-top: 22px;
      border-top: 1px solid rgba(148, 163, 184, .14);
    }

    .floating-fab {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 50;
      width: 62px;
      min-width: 48px;
      height: 62px;
      display: grid;
      place-items: center;
      color: #fff;
      background: rgba(0, 0, 0, .62);
      border: 1px solid transparent;
      border-radius: 18px;
      background-image:
        linear-gradient(rgba(0, 0, 0, .62), rgba(0, 0, 0, .62)),
        linear-gradient(135deg, var(--cyan), var(--blue));
      background-origin: border-box;
      background-clip: content-box, border-box;
      box-shadow: 0 0 15px rgba(0, 240, 255, .5);
      opacity: .68;
      backdrop-filter: blur(10px);
      transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      animation: fab-breathe 2.8s ease-in-out infinite;
    }

    .floating-fab span {
      font-weight: 950;
      color: var(--cyan);
      text-shadow: 0 0 12px rgba(0, 240, 255, .8);
    }

    .floating-fab:after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -8px;
      font-size: .62rem;
      font-weight: 950;
      padding: 3px 6px;
      border-radius: 999px;
      color: #fff;
      background: var(--red);
      box-shadow: 0 0 16px rgba(239, 68, 68, .72);
      animation: neon-blink 1.3s linear infinite;
    }

    .floating-fab:hover {
      opacity: 1;
      transform: scale(1.1);
      box-shadow: 0 0 28px rgba(0, 240, 255, .78);
    }

    .floating-fab:active {
      transform: scale(.95);
    }

    @keyframes fab-breathe {
      0%, 100% { opacity: .62; }
      50% { opacity: .88; }
    }

    @keyframes neon-blink {
      0%, 48%, 100% { opacity: 1; }
      50%, 70% { opacity: .35; }
    }

    @media (max-width: 1199px) {
      .brand-wrap {
        max-width: 300px;
      }

      .nav-links a {
        padding: 8px 10px;
        font-size: .88rem;
      }

      .article-hero-inner,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .hero-panel {
        max-width: 620px;
      }

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

      .article-shell,
      .compare-wrap {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 991px) {
      .navbar {
        min-height: auto;
        padding: 12px 0;
      }

      .nav-shell {
        flex-wrap: wrap;
      }

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

      .navbar-collapse {
        flex-basis: 100%;
        width: 100%;
        padding-top: 12px;
      }

      .nav-links {
        align-items: stretch;
        padding: 10px;
        border: 1px solid rgba(0, 240, 255, .16);
        border-radius: var(--radius-sm);
        background: rgba(8, 9, 15, .92);
      }

      .nav-links a {
        width: 100%;
        justify-content: flex-start;
      }

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

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

    @media (max-width: 767px) {
      .container-page {
        width: min(100% - 24px, var(--container));
      }

      main {
        padding-top: 80px;
      }

      section {
        padding: 54px 0;
      }

      .article-hero {
        min-height: auto;
        padding: 94px 0 42px;
      }

      .hero-actions,
      .trust-strip {
        align-items: stretch;
      }

      .hero-actions .btn-custom {
        width: 100%;
      }

      .summary-grid,
      .service-matrix,
      .side-rail {
        grid-template-columns: 1fr;
      }

      .comparison-row {
        grid-template-columns: 1fr;
        gap: 6px;
      }

      .compare-visual img {
        height: 260px;
      }

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

    @media (max-width: 520px) {
      .brand-wrap {
        max-width: 170px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

      .brand-text {
        font-size: .78rem;
      }

      .nav-actions {
        gap: 6px;
      }

      .nav-actions .btn-custom {
        min-height: 38px;
        padding: 8px 10px;
        font-size: .78rem;
      }

      .navbar-toggler {
        width: 38px;
        height: 38px;
      }

      .article-body,
      .cta-panel {
        padding: 20px;
      }

      .metric-card,
      .matrix-item,
      .rail-card {
        padding: 18px;
      }

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

      .floating-fab {
        width: 54px;
        height: 54px;
        bottom: 84px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: rgba(17, 24, 39, .78);
      --panel-solid: #111827;
      --panel-soft: #172033;
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #94a3b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --green: #22c55e;
      --red: #ef4444;
      --amber: #fbbf24;
      --border: rgba(0, 240, 255, .22);
      --border-strong: rgba(0, 240, 255, .58);
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .45);
      --shadow-blue: 0 0 34px rgba(0, 82, 255, .32);
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(rgba(8, 9, 15, .82), rgba(8, 9, 15, .93)),
        radial-gradient(circle at 18% 12%, rgba(0, 240, 255, .18), transparent 30%),
        radial-gradient(circle at 82% 8%, rgba(0, 82, 255, .2), transparent 32%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(255, 255, 255, .03) 0 1px, transparent 1px 92px),
        var(--bg);
      line-height: 1.6;
      min-width: 320px;
      overflow-x: hidden;
    }

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

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

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

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

    .container-page {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: fixed;
      top: 0;
      right: 0;
      left: 0;
      z-index: 1000;
      background: rgba(8, 9, 15, .78);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: 74px;
      padding: 0;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      max-width: 360px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid var(--border-strong);
      background: linear-gradient(135deg, rgba(0, 82, 255, .35), rgba(0, 240, 255, .12));
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
      box-shadow: var(--shadow-blue);
      font-weight: 900;
    }

    .brand-text {
      display: block;
      font-size: .95rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: 0;
      color: #f8fafc;
      overflow-wrap: anywhere;
    }

    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
      width: 100%;
      justify-content: space-between;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 0 8px;
      margin: 0;
      list-style: none;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 700;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(0, 240, 255, .1);
      box-shadow: inset 0 0 0 1px rgba(0, 240, 255, .26);
    }

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

    .btn-custom {
      border: 0;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      color: var(--text);
      font-weight: 800;
      line-height: 1.1;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor: pointer;
    }

    .btn-custom:hover {
      transform: translateY(-2px);
      color: var(--text);
    }

    .btn-custom:active {
      transform: translateY(1px) scale(.98);
    }

    .btn-custom:focus-visible,
    .nav-links a:focus-visible,
    .form-control:focus,
    .form-select:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(0, 240, 255, .35);
      outline-offset: 3px;
      box-shadow: none;
    }

    .btn-primary-neon {
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #fff;
      box-shadow: 0 12px 34px rgba(0, 82, 255, .38);
    }

    .btn-primary-neon:hover {
      box-shadow: 0 16px 44px rgba(0, 240, 255, .36);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .04);
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .22);
    }

    .btn-ghost:hover {
      background: rgba(0, 240, 255, .09);
      border-color: rgba(0, 240, 255, .35);
      color: var(--text);
    }

    .navbar-toggler {
      border: 1px solid rgba(0, 240, 255, .3);
      width: 44px;
      height: 44px;
      border-radius: 12px;
      padding: 0;
      box-shadow: none;
    }

    .navbar-toggler-icon {
      filter: invert(1);
      width: 1.25rem;
      height: 1.25rem;
    }

    main {
      padding-top: 74px;
    }

    section {
      position: relative;
      padding: 76px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      width: fit-content;
      padding: 7px 12px;
      border: 1px solid rgba(0, 240, 255, .28);
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(0, 240, 255, .08);
      font-size: .82rem;
      font-weight: 800;
    }

    .section-kicker {
      color: var(--cyan);
      font-size: .86rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3.5rem);
      line-height: 1.08;
      margin: 0;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-lead {
      color: var(--muted);
      font-size: 1.05rem;
      max-width: 760px;
      margin: 16px 0 0;
    }

    .hero-invite {
      min-height: 690px;
      display: flex;
      align-items: center;
      padding: 118px 0 58px;
      background:
        linear-gradient(180deg, rgba(8, 9, 15, .35), rgba(8, 9, 15, .96)),
        linear-gradient(100deg, rgba(8, 9, 15, .88), rgba(13, 17, 30, .5)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
      overflow: hidden;
    }

    .hero-invite:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        repeating-linear-gradient(90deg, rgba(0, 240, 255, .09) 0 1px, transparent 1px 118px),
        linear-gradient(118deg, rgba(0, 82, 255, .28), transparent 46%, rgba(34, 197, 94, .12));
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
    }

    .hero-copy {
      max-width: 760px;
    }

    .hero-copy h1 {
      margin: 18px 0 18px;
      font-size: clamp(2.45rem, 6vw, 5.2rem);
      line-height: .98;
      font-weight: 950;
      letter-spacing: 0;
    }

    .hero-copy p {
      max-width: 710px;
      color: var(--muted);
      font-size: 1.12rem;
      margin: 0 0 26px;
    }

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

    .hero-panel {
      background: linear-gradient(180deg, rgba(17, 24, 39, .86), rgba(8, 9, 15, .82));
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 22px;
      backdrop-filter: blur(16px);
    }

    .reward-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      padding-bottom: 18px;
      border-bottom: 1px solid rgba(148, 163, 184, .16);
      margin-bottom: 18px;
    }

    .reward-label {
      color: var(--muted-2);
      font-size: .86rem;
      font-weight: 700;
    }

    .reward-value {
      color: var(--text);
      font-size: 1.85rem;
      font-weight: 950;
      line-height: 1.1;
    }

    .progress-wrap {
      margin: 18px 0;
    }

    .progress-meta {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      color: var(--muted);
      font-size: .9rem;
      margin-bottom: 10px;
    }

    .progress {
      height: 12px;
      background: rgba(148, 163, 184, .18);
      border-radius: 999px;
      overflow: hidden;
    }

    .progress-bar {
      width: 68%;
      background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
      box-shadow: 0 0 24px rgba(0, 240, 255, .4);
    }

    .invite-code {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      margin-top: 18px;
    }

    .code-box {
      border: 1px dashed rgba(0, 240, 255, .38);
      border-radius: 999px;
      padding: 12px 16px;
      color: var(--cyan);
      background: rgba(0, 240, 255, .06);
      font-weight: 850;
      overflow-wrap: anywhere;
    }

    .trust-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .trust-badge,
    .metric-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 36px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .05);
      border: 1px solid rgba(148, 163, 184, .18);
      color: var(--muted);
      font-size: .88rem;
      font-weight: 750;
    }

    .dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 14px rgba(34, 197, 94, .8);
      flex: 0 0 auto;
    }

    .dashboard-band {
      padding-top: 42px;
    }

    .metric-dashboard {
      display: grid;
      grid-template-columns: 1.1fr .9fr .9fr .9fr;
      gap: 14px;
      align-items: stretch;
    }

    .metric-card {
      background: linear-gradient(180deg, rgba(17, 24, 39, .82), rgba(13, 17, 30, .76));
      border: 1px solid rgba(0, 240, 255, .18);
      border-radius: var(--radius);
      padding: 20px;
      min-height: 150px;
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-blue);
    }

    .metric-card.featured {
      background:
        linear-gradient(180deg, rgba(0, 82, 255, .2), rgba(17, 24, 39, .82)),
        url("/assets/images/coverpic/cover-1.jpg") center/cover no-repeat;
      position: relative;
      overflow: hidden;
    }

    .metric-card.featured:before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(8, 9, 15, .88), rgba(8, 9, 15, .52));
    }

    .metric-card.featured > * {
      position: relative;
      z-index: 1;
    }

    .metric-number {
      font-size: clamp(2rem, 4vw, 3.3rem);
      font-weight: 950;
      line-height: 1;
      color: #fff;
      margin-bottom: 10px;
    }

    .metric-title {
      font-size: 1rem;
      font-weight: 850;
      margin: 0 0 8px;
    }

    .metric-text {
      color: var(--muted);
      margin: 0;
      font-size: .94rem;
    }

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

    .sticky-note {
      position: sticky;
      top: 104px;
      padding: 26px;
      border-left: 3px solid var(--cyan);
      background: rgba(0, 240, 255, .06);
      border-radius: var(--radius-sm);
    }

    .sticky-note p {
      color: var(--muted);
      margin: 12px 0 0;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .service-item {
      padding: 22px;
      border: 1px solid rgba(148, 163, 184, .16);
      background: rgba(17, 24, 39, .62);
      border-radius: var(--radius);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .service-item:hover {
      transform: translateY(-3px);
      border-color: rgba(0, 240, 255, .42);
      background: rgba(17, 24, 39, .82);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: var(--cyan);
      background: rgba(0, 82, 255, .2);
      border: 1px solid rgba(0, 240, 255, .25);
      margin-bottom: 16px;
      font-weight: 950;
    }

    .service-item h3 {
      font-size: 1.08rem;
      margin: 0 0 10px;
      font-weight: 880;
    }

    .service-item p {
      margin: 0;
      color: var(--muted);
      font-size: .96rem;
    }

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

    .compare-panel {
      border-radius: var(--radius);
      border: 1px solid rgba(148, 163, 184, .17);
      background: rgba(17, 24, 39, .7);
      overflow: hidden;
    }

    .compare-panel.safe {
      border-color: rgba(34, 197, 94, .34);
    }

    .compare-head {
      padding: 18px 20px;
      background: rgba(255, 255, 255, .04);
      border-bottom: 1px solid rgba(148, 163, 184, .13);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .compare-head h3 {
      margin: 0;
      font-size: 1.05rem;
      font-weight: 880;
    }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      padding: 5px 10px;
      font-size: .78rem;
      font-weight: 850;
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .2);
    }

    .status-pill.ok {
      color: #dcfce7;
      border-color: rgba(34, 197, 94, .32);
      background: rgba(34, 197, 94, .08);
    }

    .compare-list {
      list-style: none;
      margin: 0;
      padding: 8px 20px 20px;
    }

    .compare-list li {
      display: flex;
      gap: 10px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(148, 163, 184, .11);
      color: var(--muted);
    }

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

    .check,
    .warn {
      width: 24px;
      height: 24px;
      flex: 0 0 24px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      font-weight: 950;
      font-size: .82rem;
    }

    .check {
      color: #dcfce7;
      background: rgba(34, 197, 94, .18);
    }

    .warn {
      color: #fee2e2;
      background: rgba(239, 68, 68, .18);
    }

    .flow-section {
      background:
        linear-gradient(90deg, rgba(8, 9, 15, .92), rgba(13, 17, 30, .78)),
        url("/assets/images/coverpic/cover-4.jpg") center/cover no-repeat;
      border-top: 1px solid rgba(0, 240, 255, .12);
      border-bottom: 1px solid rgba(0, 240, 255, .12);
    }

    .flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-top: 28px;
    }

    .flow-step {
      padding: 20px;
      background: rgba(8, 9, 15, .72);
      border: 1px solid rgba(0, 240, 255, .18);
      border-radius: var(--radius);
    }

    .step-number {
      width: 38px;
      height: 38px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      margin-bottom: 14px;
      color: var(--text);
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      font-weight: 950;
      box-shadow: 0 0 20px rgba(0, 240, 255, .28);
    }

    .flow-step h3 {
      font-size: 1.02rem;
      font-weight: 880;
      margin: 0 0 8px;
    }

    .flow-step p {
      color: var(--muted);
      margin: 0;
      font-size: .94rem;
    }

    .evidence-layout {
      display: grid;
      grid-template-columns: 1fr .82fr;
      gap: 34px;
      align-items: center;
    }

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

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

    .proof-list {
      list-style: none;
      padding: 0;
      margin: 22px 0 0;
    }

    .proof-list li {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 12px;
      padding: 14px 0;
      border-bottom: 1px solid rgba(148, 163, 184, .14);
      color: var(--muted);
    }

    .proof-list strong {
      color: var(--text);
      display: block;
      margin-bottom: 2px;
    }

    .faq-wrap {
      max-width: 920px;
      margin-top: 28px;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: rgba(148, 163, 184, .16);
      --bs-accordion-btn-focus-box-shadow: none;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      color: var(--text);
      background: rgba(17, 24, 39, .72);
      border: 1px solid rgba(148, 163, 184, .16);
      border-radius: var(--radius) !important;
      overflow: hidden;
    }

    .accordion-button {
      color: var(--text);
      background: transparent;
      font-weight: 850;
      padding: 18px 20px;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(0, 240, 255, .06);
      box-shadow: none;
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .85;
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
    }

    .conversion {
      padding-bottom: 86px;
    }

    .conversion-box {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 28px;
      align-items: stretch;
      padding: 28px;
      border: 1px solid var(--border);
      border-radius: calc(var(--radius) + 6px);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .18), rgba(17, 24, 39, .84)),
        rgba(17, 24, 39, .78);
      box-shadow: var(--shadow);
    }

    .form-panel {
      padding: 22px;
      border-radius: var(--radius);
      background: rgba(8, 9, 15, .56);
      border: 1px solid rgba(148, 163, 184, .16);
    }

    .form-label {
      color: var(--muted);
      font-weight: 760;
      margin-bottom: 8px;
    }

    .form-control,
    .form-select {
      min-height: 48px;
      border-radius: 12px;
      border: 1px solid rgba(148, 163, 184, .22);
      color: var(--text);
      background-color: rgba(15, 23, 42, .82);
    }

    .form-control::placeholder {
      color: rgba(203, 213, 225, .62);
    }

    .form-control:focus,
    .form-select:focus {
      color: var(--text);
      background-color: rgba(15, 23, 42, .92);
      border-color: rgba(0, 240, 255, .46);
    }

    .form-select option {
      color: #0f172a;
    }

    .microcopy {
      color: var(--muted-2);
      font-size: .86rem;
      margin-top: 12px;
    }

    .site-footer {
      padding: 54px 0 28px;
      background: rgba(5, 7, 12, .92);
      border-top: 1px solid rgba(0, 240, 255, .16);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .8fr .8fr .8fr;
      gap: 28px;
    }

    .footer-brand {
      font-size: 1.1rem;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 420px;
    }

    .footer-title {
      color: var(--text);
      font-weight: 850;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: var(--muted);
      font-size: .95rem;
    }

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

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 24px;
      margin-top: 34px;
      border-top: 1px solid rgba(148, 163, 184, .14);
      color: var(--muted-2);
      font-size: .9rem;
    }

    .support-fab {
      position: fixed;
      left: 16px;
      bottom: 96px;
      z-index: 1050;
      min-width: 56px;
      min-height: 56px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      border-radius: 16px;
      color: var(--cyan);
      background: rgba(0, 0, 0, .6);
      border: 1px solid transparent;
      background-image:
        linear-gradient(rgba(0, 0, 0, .68), rgba(0, 0, 0, .68)),
        linear-gradient(135deg, var(--green), var(--cyan), var(--blue));
      background-origin: border-box;
      background-clip: padding-box, border-box;
      box-shadow: 0 0 15px rgba(0, 240, 255, .5);
      opacity: .6;
      backdrop-filter: blur(12px);
      transition: transform .2s ease, opacity .2s ease, box-shadow .2s ease;
      animation: fabFlow 3s linear infinite;
    }

    .support-fab:hover {
      opacity: 1;
      color: #fff;
      transform: scale(1.1);
      box-shadow: 0 0 28px rgba(0, 240, 255, .7);
    }

    .support-fab:active {
      transform: scale(.96);
    }

    .support-fab .fab-icon {
      font-size: 1.05rem;
      font-weight: 950;
      text-shadow: 0 0 12px rgba(0, 240, 255, .9);
    }

    .support-fab:after {
      content: "NEW";
      position: absolute;
      top: -8px;
      right: -8px;
      padding: 2px 6px;
      border-radius: 999px;
      color: #fff;
      background: var(--red);
      font-size: .66rem;
      font-weight: 950;
      animation: blinkNew 1.2s steps(2, start) infinite;
    }

    @keyframes fabFlow {
      0%, 100% {
        box-shadow: 0 0 15px rgba(0, 240, 255, .45);
      }
      50% {
        box-shadow: 0 0 24px rgba(34, 197, 94, .45);
      }
    }

    @keyframes blinkNew {
      0%, 55% {
        opacity: 1;
      }
      56%, 100% {
        opacity: .35;
      }
    }

    @media (max-width: 1024px) {
      .brand-wrap {
        max-width: 290px;
      }

      .nav-links a {
        padding: 8px 10px;
        font-size: .88rem;
      }

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

      .matrix-layout,
      .evidence-layout,
      .conversion-box {
        grid-template-columns: 1fr;
      }

      .sticky-note {
        position: static;
      }
    }

    @media (max-width: 991.98px) {
      .navbar {
        min-height: auto;
        padding: 12px 0;
      }

      .nav-shell {
        flex-wrap: wrap;
      }

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

      .navbar-collapse {
        flex-basis: 100%;
        order: 4;
        padding-top: 12px;
      }

      .nav-links {
        align-items: stretch;
        padding: 10px;
        border-radius: var(--radius);
        background: rgba(17, 24, 39, .94);
        border: 1px solid rgba(0, 240, 255, .14);
      }

      .nav-links a {
        justify-content: flex-start;
        width: 100%;
      }

      main {
        padding-top: 78px;
      }

      .hero-invite {
        min-height: auto;
        padding: 108px 0 50px;
      }
    }

    @media (max-width: 768px) {
      section {
        padding: 58px 0;
      }

      .hero-copy h1 {
        font-size: clamp(2.25rem, 12vw, 3.6rem);
      }

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

      .service-grid,
      .comparison-wrap,
      .footer-grid {
        grid-template-columns: 1fr;
      }

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

      .reward-row {
        flex-direction: column;
      }

      .invite-code {
        grid-template-columns: 1fr;
      }
    }

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

      .brand-text {
        font-size: .78rem;
        max-width: 150px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
      }

      .nav-actions {
        gap: 6px;
      }

      .btn-custom {
        min-height: 40px;
        padding: 9px 12px;
        font-size: .86rem;
      }

      .navbar-toggler {
        width: 40px;
        height: 40px;
      }

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

      .hero-actions .btn-custom {
        width: 100%;
      }

      .metric-dashboard,
      .flow-grid {
        grid-template-columns: 1fr;
      }

      .conversion-box,
      .form-panel,
      .hero-panel {
        padding: 18px;
      }

      .section-title {
        font-size: 2rem;
      }

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

/* roulang page: category2 */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: rgba(17, 24, 39, .78);
      --panel-solid: #111827;
      --panel-soft: #172033;
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #94a3b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --green: #22c55e;
      --red: #ef4444;
      --amber: #fbbf24;
      --border: rgba(0, 240, 255, .22);
      --border-strong: rgba(0, 240, 255, .58);
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .45);
      --shadow-blue: 0 0 34px rgba(0, 82, 255, .32);
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-width: 320px;
      overflow-x: hidden;
      color: var(--text);
      font-family: var(--font);
      line-height: 1.63;
      background:
        linear-gradient(rgba(8, 9, 15, .84), rgba(8, 9, 15, .96)),
        radial-gradient(circle at 14% 12%, rgba(0, 240, 255, .13), transparent 31%),
        radial-gradient(circle at 86% 11%, rgba(0, 82, 255, .18), transparent 32%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.028) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.024) 0 1px, transparent 1px 92px),
        var(--bg);
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }
    a:hover { color: var(--cyan); }
    img { display: block; max-width: 100%; }
    button, input, textarea { font: inherit; }
    .container-page { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }

    .site-header {
      position: fixed;
      z-index: 1000;
      top: 0;
      right: 0;
      left: 0;
      background: rgba(8, 9, 15, .79);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
      backdrop-filter: blur(18px);
    }
    .navbar { min-height: 74px; padding: 0; }
    .nav-shell { display: flex; align-items: center; justify-content: space-between; width: 100%; gap: 14px; }
    .brand-wrap { display: flex; align-items: center; gap: 10px; min-width: 0; max-width: 360px; }
    .brand-mark {
      display: grid; flex: 0 0 42px; width: 42px; height: 42px; place-items: center;
      color: var(--cyan); font-weight: 900; border: 1px solid var(--border-strong);
      background: linear-gradient(135deg, rgba(0, 82, 255, .35), rgba(0, 240, 255, .12));
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
      box-shadow: var(--shadow-blue);
    }
    .brand-text { color: #f8fafc; font-size: .95rem; font-weight: 800; line-height: 1.25; overflow-wrap: anywhere; }
    .nav-links { display: flex; align-items: center; gap: 4px; margin: 0; padding: 0 8px; list-style: none; }
    .nav-links a {
      display: inline-flex; align-items: center; min-height: 38px; padding: 8px 12px;
      color: var(--muted); font-size: .92rem; font-weight: 700; white-space: nowrap; border-radius: 999px;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--text); background: rgba(0, 240, 255, .1); box-shadow: inset 0 0 0 1px rgba(0, 240, 255, .26);
    }
    .nav-actions { display: flex; align-items: center; flex: 0 0 auto; gap: 10px; }
    .btn-custom {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px;
      padding: 10px 18px; border: 0; border-radius: 999px; color: var(--text); font-weight: 800;
      line-height: 1.1; cursor: pointer;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
    }
    .btn-custom:hover { color: var(--text); transform: translateY(-2px); }
    .btn-custom:active { transform: translateY(1px) scale(.98); }
    .btn-primary-neon { background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 12px 34px rgba(0, 82, 255, .38); }
    .btn-primary-neon:hover { box-shadow: 0 16px 44px rgba(0, 240, 255, .36); }
    .btn-ghost { color: var(--muted); border: 1px solid rgba(148, 163, 184, .22); background: rgba(255,255,255,.04); }
    .btn-ghost:hover { color: var(--text); border-color: rgba(0,240,255,.35); background: rgba(0,240,255,.09); }
    .navbar-toggler { width: 44px; height: 44px; padding: 0; border: 1px solid rgba(0,240,255,.3); border-radius: 12px; box-shadow: none; }
    .navbar-toggler-icon { width: 1.25rem; height: 1.25rem; filter: invert(1); }
    .btn-custom:focus-visible, .nav-links a:focus-visible, .form-control:focus, .accordion-button:focus {
      outline: 3px solid rgba(0,240,255,.35); outline-offset: 3px; box-shadow: none;
    }

    main { padding-top: 74px; }
    section { position: relative; padding: 80px 0; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--cyan);
      font-size: .78rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase;
    }
    .eyebrow::before { width: 24px; height: 2px; content: ""; background: var(--cyan); box-shadow: 0 0 12px var(--cyan); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 860px; margin-bottom: 18px; font-size: clamp(2.25rem, 5vw, 4.7rem); font-weight: 900; line-height: 1.04; letter-spacing: -.045em; }
    h2 { margin-bottom: 16px; font-size: clamp(1.7rem, 3vw, 2.7rem); font-weight: 850; line-height: 1.15; letter-spacing: -.025em; }
    h3 { font-size: 1.1rem; font-weight: 800; line-height: 1.3; }
    .lead-copy { max-width: 720px; margin-bottom: 0; color: var(--muted); font-size: 1.08rem; }
    .section-intro { max-width: 650px; color: var(--muted); }

    .coupon-hero {
      min-height: 648px;
      display: flex;
      align-items: center;
      padding: 120px 0 76px;
      overflow: hidden;
      background:
        linear-gradient(90deg, rgba(8,9,15,.92) 2%, rgba(8,9,15,.65) 55%, rgba(8,9,15,.86)),
        linear-gradient(180deg, rgba(8,9,15,.15), rgba(8,9,15,.94)),
        url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
    }
    .coupon-hero::before {
      position: absolute; inset: 0; content: "";
      background: repeating-linear-gradient(135deg, transparent 0 28px, rgba(0,240,255,.035) 28px 29px);
      pointer-events: none;
    }
    .hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 52px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
    .hero-note { display: flex; align-items: center; gap: 9px; margin-top: 20px; color: var(--muted-2); font-size: .86rem; }
    .status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(34,197,94,.13), 0 0 15px var(--green); }

    .coupon-wall { position: relative; min-height: 405px; }
    .coupon-card {
      position: absolute; right: 0; width: min(100%, 472px); padding: 32px;
      overflow: hidden; border: 1px solid var(--border-strong); border-radius: 22px;
      background: linear-gradient(145deg, rgba(20,33,59,.97), rgba(9,14,29,.96));
      box-shadow: 0 28px 70px rgba(0,0,0,.52), 0 0 45px rgba(0,82,255,.22);
    }
    .coupon-card::after {
      position: absolute; top: -80px; right: -42px; width: 220px; height: 220px; content: "";
      border: 1px solid rgba(0,240,255,.25); border-radius: 50%; box-shadow: 0 0 0 28px rgba(0,240,255,.03), 0 0 0 56px rgba(0,240,255,.025);
    }
    .coupon-main { z-index: 2; top: 20px; }
    .coupon-mini { bottom: 0; right: 42px; width: 290px; padding: 18px 22px; border-color: rgba(0,240,255,.2); transform: rotate(-4deg); opacity: .8; }
    .coupon-label { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; color: var(--cyan); font-size: .77rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .coupon-label span:last-child { color: var(--amber); }
    .coupon-value { position: relative; z-index: 1; margin-bottom: 4px; color: #fff; font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 950; line-height: 1; letter-spacing: -.06em; }
    .coupon-title { position: relative; z-index: 1; max-width: 300px; margin-bottom: 22px; color: var(--muted); font-weight: 700; }
    .coupon-code {
      position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 12px;
      padding: 12px 14px; border: 1px dashed rgba(0,240,255,.5); border-radius: var(--radius-sm);
      background: rgba(0,240,255,.06); color: #e7fdff; font-size: .83rem;
    }
    .coupon-code strong { font-size: .95rem; letter-spacing: .09em; }
    .coupon-cut { position: absolute; right: -13px; bottom: 74px; left: -13px; height: 24px; background: radial-gradient(circle at 12px 0, transparent 12px, rgba(8,9,15,.96) 13px) repeat-x; background-size: 28px 24px; }
    .mini-title { margin: 0; color: var(--muted); font-size: .83rem; }
    .mini-score { margin: 3px 0 0; color: #fff; font-size: 1.35rem; font-weight: 900; }

    .signal-section { padding-top: 52px; }
    .signal-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; padding-bottom: 40px; border-bottom: 1px solid rgba(148,163,184,.16); }
    .score-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .signal-item {
      min-height: 130px; padding: 18px; border: 1px solid rgba(148,163,184,.18); border-radius: var(--radius-sm);
      background: linear-gradient(145deg, rgba(23,32,51,.84), rgba(11,17,30,.8));
    }
    .signal-number { display: block; margin-bottom: 7px; color: var(--cyan); font-size: 1.7rem; font-weight: 900; line-height: 1; }
    .signal-label { color: var(--muted-2); font-size: .81rem; font-weight: 700; line-height: 1.35; }
    .check-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px 28px; margin: 26px 0 0; padding: 0; list-style: none; }
    .check-list li { display: flex; gap: 10px; color: var(--muted); font-size: .96rem; }
    .check-list b { color: var(--cyan); }

    .matrix-section { background: linear-gradient(180deg, transparent, rgba(13,17,30,.55), transparent); }
    .matrix-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; }
    .image-frame { position: relative; overflow: hidden; min-height: 420px; border: 1px solid var(--border); border-radius: 20px; background: var(--panel-solid); }
    .image-frame img { width: 100%; height: 420px; object-fit: cover; opacity: .7; }
    .image-frame::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 38%, rgba(8,9,15,.9)); }
    .image-caption { position: absolute; z-index: 2; right: 25px; bottom: 22px; left: 25px; font-size: .91rem; color: #e2e8f0; }
    .image-caption strong { display: block; margin-bottom: 3px; color: var(--cyan); font-size: 1rem; }
    .service-lines { margin-top: 26px; border-top: 1px solid rgba(148,163,184,.16); }
    .service-line { display: grid; grid-template-columns: 42px 1fr auto; gap: 16px; align-items: center; padding: 17px 0; border-bottom: 1px solid rgba(148,163,184,.16); }
    .service-icon { display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--border); border-radius: 10px; color: var(--cyan); font-weight: 900; background: rgba(0,240,255,.05); }
    .service-line h3 { margin: 0 0 2px; }
    .service-line p { margin: 0; color: var(--muted-2); font-size: .88rem; }
    .service-status { color: var(--green); font-size: .78rem; font-weight: 850; white-space: nowrap; }

    .compare-section { padding-top: 42px; }
    .compare-header { display: grid; grid-template-columns: 1fr .8fr; gap: 30px; align-items: end; margin-bottom: 28px; }
    .compare-header p { margin: 0; color: var(--muted); }
    .compare-board { overflow: hidden; border: 1px solid rgba(0,240,255,.25); border-radius: var(--radius); background: rgba(17,24,39,.62); box-shadow: var(--shadow); }
    .compare-row { display: grid; grid-template-columns: 1.05fr .95fr .95fr; align-items: stretch; border-bottom: 1px solid rgba(148,163,184,.13); }
    .compare-row:last-child { border-bottom: 0; }
    .compare-row > div { display: flex; align-items: center; min-height: 67px; padding: 15px 20px; }
    .compare-row > div:not(:last-child) { border-right: 1px solid rgba(148,163,184,.13); }
    .compare-row.head > div { min-height: 54px; color: var(--muted-2); font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; background: rgba(0,82,255,.11); }
    .compare-row .trusted { color: #dcfeff; background: rgba(0,240,255,.045); font-weight: 700; }
    .compare-row .risk { color: #fda4af; }
    .compare-row .feature { font-weight: 800; }
    .tick { margin-right: 8px; color: var(--green); font-weight: 900; }
    .cross { margin-right: 8px; color: var(--red); font-weight: 900; }

    .path-section { padding-bottom: 68px; }
    .path-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 42px; }
    .path-steps { margin: 28px 0 0; padding: 0; list-style: none; counter-reset: steps; }
    .path-steps li { position: relative; min-height: 90px; padding: 0 0 28px 72px; counter-increment: steps; }
    .path-steps li::before {
      position: absolute; top: 0; left: 0; display: grid; width: 45px; height: 45px; place-items: center;
      content: "0" counter(steps); color: var(--cyan); font-size: .82rem; font-weight: 950;
      border: 1px solid var(--border-strong); border-radius: 50%; background: rgba(0,82,255,.16);
    }
    .path-steps li:not(:last-child)::after { position: absolute; top: 48px; bottom: 1px; left: 22px; width: 1px; content: ""; background: linear-gradient(var(--cyan), transparent); }
    .path-steps h3 { margin-bottom: 5px; }
    .path-steps p { margin: 0; color: var(--muted); }
    .responsible-panel { padding: 30px; border: 1px solid rgba(251,191,36,.32); border-radius: var(--radius); background: linear-gradient(145deg, rgba(55,43,18,.38), rgba(17,24,39,.85)); }
    .responsible-panel .eyebrow { color: var(--amber); }
    .responsible-panel .eyebrow::before { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
    .budget-meter { margin: 24px 0; }
    .meter-label { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 9px; color: var(--muted); font-size: .87rem; }
    .meter-track { height: 9px; overflow: hidden; border-radius: 999px; background: rgba(255,255,255,.1); }
    .meter-value { width: 62%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--cyan)); box-shadow: 0 0 14px rgba(0,240,255,.65); }
    .responsible-panel p { color: var(--muted); }
    .small-note { color: var(--muted-2) !important; font-size: .84rem; }

    .faq-section { padding-top: 44px; background: linear-gradient(180deg, rgba(13,17,30,.25), transparent); }
    .faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 48px; align-items: start; }
    .accordion { --bs-accordion-bg: transparent; --bs-accordion-border-color: rgba(148,163,184,.16); --bs-accordion-btn-color: var(--text); --bs-accordion-active-color: var(--cyan); --bs-accordion-active-bg: rgba(0,240,255,.05); --bs-accordion-btn-focus-box-shadow: none; }
    .accordion-item { overflow: hidden; margin-bottom: 10px; border: 1px solid rgba(148,163,184,.16) !important; border-radius: 12px !important; background: rgba(17,24,39,.58); }
    .accordion-button { padding: 18px 20px; color: var(--text); font-size: 1rem; font-weight: 800; background: transparent; }
    .accordion-button:not(.collapsed) { box-shadow: none; }
    .accordion-button::after { filter: invert(1) sepia(1) saturate(5) hue-rotate(130deg); }
    .accordion-body { padding: 0 20px 19px; color: var(--muted); }

    .form-section { padding-top: 44px; }
    .cta-panel {
      position: relative; overflow: hidden; padding: 46px; border: 1px solid var(--border-strong); border-radius: 22px;
      background:
        linear-gradient(105deg, rgba(0,82,255,.25), rgba(17,24,39,.96) 48%, rgba(0,240,255,.12)),
        url("/assets/images/coverpic/cover-7.jpg") right center/cover no-repeat;
      box-shadow: var(--shadow), 0 0 40px rgba(0,82,255,.14);
    }
    .cta-panel::after { position: absolute; inset: 0; content: ""; background: linear-gradient(90deg, rgba(8,9,15,.78), rgba(8,9,15,.4)); pointer-events: none; }
    .cta-content { position: relative; z-index: 1; display: grid; grid-template-columns: .92fr 1.08fr; gap: 44px; align-items: center; }
    .cta-content h2 { max-width: 490px; }
    .cta-content p { max-width: 510px; margin-bottom: 0; color: var(--muted); }
    .consult-form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .consult-form .form-control {
      min-height: 49px; border: 1px solid rgba(203,213,225,.22); border-radius: 10px; color: var(--text);
      background: rgba(8,9,15,.68);
    }
    .consult-form .form-control::placeholder { color: #94a3b8; }
    .consult-form .form-full { grid-column: 1 / -1; }
    .form-legal { grid-column: 1 / -1; margin: 1px 0 3px; color: #cbd5e1; font-size: .79rem; }
    .form-legal input { margin-right: 7px; accent-color: var(--cyan); }
    .consult-form .btn-custom { width: 100%; }

    .site-footer { padding: 60px 0 24px; border-top: 1px solid rgba(148,163,184,.16); background: rgba(5,7,13,.72); }
    .footer-grid { display: grid; grid-template-columns: 1.45fr .8fr .95fr .95fr; gap: 30px; }
    .footer-brand { margin-bottom: 12px; color: #fff; font-size: 1.04rem; font-weight: 900; }
    .footer-text { max-width: 330px; margin: 0; color: var(--muted-2); font-size: .9rem; }
    .footer-title { margin-bottom: 13px; color: var(--cyan); font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
    .footer-links { display: grid; gap: 8px; }
    .footer-links a { color: var(--muted); font-size: .89rem; }
    .footer-links a:hover { padding-left: 4px; color: var(--cyan); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 47px; padding-top: 20px; color: var(--muted-2); font-size: .79rem; border-top: 1px solid rgba(148,163,184,.15); }
    .copyright { color: var(--muted); }

    .support-fab {
      position: fixed; z-index: 1050; bottom: 6rem; left: 1rem; display: inline-flex; align-items: center; justify-content: center;
      width: 58px; height: 58px; border: 1px solid transparent; border-radius: 16px; color: var(--cyan);
      background: linear-gradient(rgba(8,9,15,.9), rgba(8,9,15,.9)) padding-box, linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
      box-shadow: 0 0 15px rgba(0,240,255,.45); opacity: .7; backdrop-filter: blur(12px);
      animation: neon-breathe 2.8s ease-in-out infinite;
    }
    .support-fab::after { position: absolute; top: 7px; right: 8px; width: 8px; height: 8px; content: ""; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px var(--red); }
    .support-fab span { font-size: 1.45rem; font-weight: 950; text-shadow: 0 0 12px var(--cyan); transition: transform .3s ease; }
    .support-fab:hover { color: #fff; opacity: 1; box-shadow: 0 0 28px rgba(0,240,255,.75); transform: scale(1.1); }
    .support-fab:hover span { animation: flicker .45s linear; }
    .support-fab:active { transform: scale(.95); }
    @keyframes neon-breathe { 50% { opacity: 1; box-shadow: 0 0 23px rgba(0,240,255,.75); } }
    @keyframes flicker { 20%, 60% { opacity: .2; } 40%, 80%, 100% { opacity: 1; } }

    @media (max-width: 1024px) {
      .nav-links a { padding-right: 8px; padding-left: 8px; font-size: .84rem; }
      .brand-text { font-size: .86rem; }
      .hero-grid, .matrix-layout, .path-layout, .faq-layout, .cta-content { gap: 30px; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
    }
    @media (max-width: 991.98px) {
      .navbar { min-height: 70px; }
      main { padding-top: 70px; }
      .nav-shell { flex-wrap: wrap; }
      .nav-actions { margin-left: auto; }
      .navbar-collapse { order: 4; width: 100%; padding-bottom: 13px; }
      .nav-links { align-items: stretch; padding: 7px 0 0; }
      .nav-links a { width: 100%; }
      .coupon-hero { min-height: auto; padding: 118px 0 64px; }
      .hero-grid, .signal-wrap, .matrix-layout, .path-layout, .faq-layout, .cta-content { grid-template-columns: 1fr; }
      .coupon-wall { max-width: 580px; width: 100%; min-height: 380px; margin: 5px auto 0; }
      .coupon-card { right: 0; left: 0; margin: auto; }
      .coupon-mini { right: 0; left: auto; }
      .image-frame, .image-frame img { min-height: 330px; height: 330px; }
      .compare-header { grid-template-columns: 1fr; }
      .cta-panel { padding: 36px; }
    }
    @media (max-width: 767.98px) {
      section { padding: 62px 0; }
      .container-page { width: min(100% - 24px, var(--container)); }
      .brand-wrap { max-width: 175px; }
      .brand-text { font-size: .77rem; }
      .brand-mark { flex-basis: 37px; width: 37px; height: 37px; }
      .nav-actions { gap: 6px; }
      .nav-actions .btn-custom { min-height: 38px; padding: 8px 10px; font-size: .79rem; }
      .navbar-toggler { width: 39px; height: 39px; }
      .coupon-hero { padding-top: 108px; }
      h1 { font-size: clamp(2.2rem, 11vw, 3.3rem); }
      .lead-copy { font-size: 1rem; }
      .coupon-wall { min-height: 355px; }
      .coupon-card { padding: 25px; }
      .coupon-mini { width: 235px; padding: 15px 17px; }
      .score-board { grid-template-columns: 1fr; }
      .signal-item { min-height: 90px; }
      .check-list { grid-template-columns: 1fr; }
      .compare-board { overflow-x: auto; }
      .compare-row { min-width: 650px; }
      .service-line { grid-template-columns: 39px 1fr; }
      .service-status { grid-column: 2; }
      .cta-panel { padding: 28px 22px; }
      .consult-form { grid-template-columns: 1fr; }
      .consult-form .form-full { grid-column: auto; }
      .footer-bottom { flex-direction: column; margin-top: 34px; }
    }
    @media (max-width: 520px) {
      .nav-actions .btn-ghost { display: none; }
      .nav-actions .btn-primary-neon { padding: 8px 11px; }
      .coupon-main { top: 0; }
      .coupon-wall { min-height: 345px; }
      .coupon-value { font-size: 2.7rem; }
      .coupon-mini { bottom: -3px; width: 200px; }
      .hero-actions .btn-custom { width: 100%; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .support-fab { bottom: 5.4rem; width: 52px; height: 52px; }
    }

/* roulang page: category3 */
:root {
      --bg: #08090f;
      --bg-2: #0d111e;
      --panel: rgba(17, 24, 39, .78);
      --panel-solid: #111827;
      --panel-soft: #172033;
      --text: #ffffff;
      --muted: #cbd5e1;
      --muted-2: #94a3b8;
      --blue: #0052ff;
      --cyan: #00f0ff;
      --green: #22c55e;
      --red: #ef4444;
      --amber: #fbbf24;
      --border: rgba(0, 240, 255, .22);
      --border-strong: rgba(0, 240, 255, .58);
      --radius: 18px;
      --radius-sm: 10px;
      --shadow: 0 24px 70px rgba(0, 0, 0, .45);
      --shadow-blue: 0 0 34px rgba(0, 82, 255, .32);
      --container: 1180px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        linear-gradient(rgba(8, 9, 15, .84), rgba(8, 9, 15, .94)),
        radial-gradient(circle at 14% 10%, rgba(0, 240, 255, .18), transparent 30%),
        radial-gradient(circle at 88% 18%, rgba(0, 82, 255, .22), transparent 32%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 1px, transparent 1px 92px),
        repeating-linear-gradient(0deg, rgba(255,255,255,.03) 0 1px, transparent 1px 92px),
        var(--bg);
      line-height: 1.6;
      min-width: 320px;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    a:hover { color: var(--cyan); }
    img { max-width: 100%; display: block; }
    button, input, textarea, select { font: inherit; }
    .container-page {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }
    .site-header {
      position: fixed;
      top: 0;
      right: 0;
      left: 0;
      z-index: 1000;
      background: rgba(8, 9, 15, .78);
      border-bottom: 1px solid rgba(148, 163, 184, .18);
      backdrop-filter: blur(18px);
    }
    .navbar { min-height: 74px; padding: 0; }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      max-width: 360px;
    }
    .brand-mark {
      width: 42px;
      height: 42px;
      flex: 0 0 42px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid var(--border-strong);
      background: linear-gradient(135deg, rgba(0, 82, 255, .35), rgba(0, 240, 255, .12));
      clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%);
      box-shadow: var(--shadow-blue);
      font-weight: 900;
    }
    .brand-text {
      display: block;
      font-size: .95rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: 0;
      color: #f8fafc;
      overflow-wrap: anywhere;
    }
    .nav-shell {
      display: flex;
      align-items: center;
      gap: 14px;
      width: 100%;
      justify-content: space-between;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 0 8px;
      margin: 0;
      list-style: none;
    }
    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 38px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 700;
      white-space: nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text);
      background: rgba(0, 240, 255, .1);
      box-shadow: inset 0 0 0 1px rgba(0, 240, 255, .26);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 0 0 auto;
    }
    .btn-custom {
      border: 0;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 18px;
      color: var(--text);
      font-weight: 800;
      line-height: 1.1;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      cursor: pointer;
    }
    .btn-custom:hover { transform: translateY(-2px); color: var(--text); }
    .btn-custom:active { transform: translateY(1px) scale(.98); }
    .btn-custom:focus-visible,
    .nav-links a:focus-visible,
    .form-control:focus,
    .form-select:focus,
    .accordion-button:focus {
      outline: 3px solid rgba(0, 240, 255, .35);
      outline-offset: 3px;
      box-shadow: none;
    }
    .btn-primary-neon {
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      color: #fff;
      box-shadow: 0 12px 34px rgba(0, 82, 255, .38);
    }
    .btn-primary-neon:hover { box-shadow: 0 16px 44px rgba(0, 240, 255, .36); }
    .btn-ghost {
      background: rgba(255, 255, 255, .04);
      color: var(--muted);
      border: 1px solid rgba(148, 163, 184, .22);
    }
    .btn-ghost:hover {
      background: rgba(0, 240, 255, .09);
      border-color: rgba(0, 240, 255, .35);
      color: var(--text);
    }
    .navbar-toggler {
      border: 1px solid rgba(0, 240, 255, .3);
      width: 44px;
      height: 44px;
      border-radius: 12px;
      padding: 0;
      box-shadow: none;
    }
    .navbar-toggler-icon {
      filter: invert(1);
      width: 1.25rem;
      height: 1.25rem;
    }
    main { padding-top: 74px; }
    section { position: relative; padding: 76px 0; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--cyan);
      background: rgba(0, 240, 255, .08);
      border: 1px solid rgba(0, 240, 255, .24);
      border-radius: 999px;
      padding: 7px 12px;
      font-size: .84rem;
      font-weight: 800;
    }
    .page-hero {
      min-height: 650px;
      display: flex;
      align-items: end;
      padding: 124px 0 46px;
      background:
        linear-gradient(180deg, rgba(8, 9, 15, .18), rgba(8, 9, 15, .96)),
        linear-gradient(90deg, rgba(8, 9, 15, .86), rgba(13, 17, 30, .34)),
        url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;
      overflow: hidden;
    }
    .page-hero:before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(115deg, rgba(0, 82, 255, .2), transparent 46%, rgba(0, 240, 255, .12)),
        repeating-linear-gradient(90deg, rgba(0, 240, 255, .08) 0 1px, transparent 1px 126px);
      pointer-events: none;
    }
    .hero-layout {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) 390px;
      gap: 38px;
      align-items: end;
    }
    .hero-copy h1 {
      margin: 18px 0 18px;
      max-width: 860px;
      font-size: clamp(2.1rem, 5vw, 4.8rem);
      line-height: 1.04;
      font-weight: 950;
      letter-spacing: 0;
    }
    .hero-copy p {
      max-width: 760px;
      color: var(--muted);
      font-size: 1.08rem;
      margin: 0 0 26px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }
    .heat-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 28px;
    }
    .heat-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid rgba(0, 240, 255, .22);
      background: rgba(8, 9, 15, .62);
      border-radius: 999px;
      padding: 8px 12px;
      color: #e2e8f0;
      font-weight: 750;
      font-size: .9rem;
    }
    .pulse-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--green);
      box-shadow: 0 0 16px rgba(34, 197, 94, .8);
      animation: pulseDot 1.7s infinite;
    }
    .poster-panel {
      position: relative;
      border: 1px solid rgba(0, 240, 255, .32);
      background: rgba(8, 9, 15, .72);
      clip-path: polygon(0 0, 94% 0, 100% 8%, 100% 100%, 6% 100%, 0 92%);
      box-shadow: var(--shadow), var(--shadow-blue);
      overflow: hidden;
    }
    .poster-panel img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      opacity: .92;
    }
    .poster-overlay {
      position: absolute;
      inset: auto 0 0 0;
      padding: 24px;
      background: linear-gradient(180deg, transparent, rgba(8, 9, 15, .96) 40%);
    }
    .poster-label {
      display: inline-flex;
      border: 1px solid rgba(0, 240, 255, .38);
      color: var(--cyan);
      padding: 5px 9px;
      border-radius: 999px;
      font-size: .78rem;
      font-weight: 850;
      margin-bottom: 10px;
    }
    .poster-overlay strong {
      display: block;
      font-size: 1.3rem;
      line-height: 1.25;
      margin-bottom: 8px;
    }
    .poster-overlay span {
      color: var(--muted);
      font-size: .92rem;
    }
    .section-head {
      max-width: 800px;
      margin-bottom: 30px;
    }
    .section-head h2 {
      font-size: clamp(1.7rem, 3vw, 2.7rem);
      line-height: 1.15;
      margin: 12px 0;
      font-weight: 900;
      letter-spacing: 0;
    }
    .section-head p {
      color: var(--muted);
      margin: 0;
      font-size: 1rem;
    }
    .metrics-strip {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 24px;
      align-items: stretch;
    }
    .dashboard {
      border: 1px solid var(--border);
      background: linear-gradient(145deg, rgba(17, 24, 39, .9), rgba(8, 9, 15, .7));
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow);
    }
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }
    .metric {
      border: 1px solid rgba(148, 163, 184, .18);
      background: rgba(255, 255, 255, .035);
      border-radius: var(--radius-sm);
      padding: 18px;
      min-height: 132px;
    }
    .metric .value {
      font-size: 2rem;
      font-weight: 950;
      line-height: 1;
      color: #fff;
      margin-bottom: 8px;
    }
    .metric .value small {
      color: var(--cyan);
      font-size: .95rem;
    }
    .metric p {
      margin: 0;
      color: var(--muted);
      font-size: .93rem;
    }
    .meter-list {
      display: grid;
      gap: 16px;
      margin-top: 22px;
    }
    .meter-row {
      display: grid;
      grid-template-columns: 130px 1fr 58px;
      gap: 12px;
      align-items: center;
      color: var(--muted);
      font-size: .92rem;
    }
    .meter-track {
      height: 9px;
      border-radius: 999px;
      background: rgba(148, 163, 184, .18);
      overflow: hidden;
    }
    .meter-fill {
      height: 100%;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--blue), var(--cyan));
      box-shadow: 0 0 18px rgba(0, 240, 255, .45);
    }
    .insight-card {
      border: 1px solid rgba(0, 240, 255, .26);
      background:
        linear-gradient(180deg, rgba(0, 82, 255, .12), rgba(17, 24, 39, .72)),
        url("/assets/images/coverpic/cover-7.jpg") center/cover no-repeat;
      border-radius: var(--radius);
      padding: 26px;
      min-height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      overflow: hidden;
      position: relative;
    }
    .insight-card:before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 9, 15, .34), rgba(8, 9, 15, .92));
    }
    .insight-card > * { position: relative; z-index: 1; }
    .insight-card h3 {
      font-size: 1.55rem;
      font-weight: 900;
      margin: 0 0 12px;
    }
    .insight-card p { color: var(--muted); margin: 0 0 18px; }
    .check-list {
      display: grid;
      gap: 12px;
      padding: 0;
      margin: 0;
      list-style: none;
    }
    .check-list li {
      display: flex;
      gap: 10px;
      color: #e5e7eb;
      align-items: flex-start;
    }
    .check-list li:before {
      content: "✓";
      flex: 0 0 24px;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      color: #06121a;
      background: var(--cyan);
      font-weight: 900;
      margin-top: 1px;
    }
    .service-matrix {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      gap: 18px;
    }
    .service-item {
      border: 1px solid var(--border);
      background: rgba(17, 24, 39, .72);
      border-radius: var(--radius);
      padding: 22px;
      transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
    }
    .service-item:hover {
      transform: translateY(-5px);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-blue);
    }
    .service-icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      background: rgba(0, 240, 255, .1);
      border: 1px solid rgba(0, 240, 255, .26);
      color: var(--cyan);
      font-weight: 950;
      margin-bottom: 16px;
    }
    .service-item h3 {
      font-size: 1.15rem;
      font-weight: 850;
      margin: 0 0 10px;
    }
    .service-item p {
      margin: 0;
      color: var(--muted);
      font-size: .95rem;
    }
    .compare-wrap {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 26px;
      align-items: start;
    }
    .compare-note {
      padding: 26px;
      border-left: 3px solid var(--cyan);
      background: linear-gradient(90deg, rgba(0, 240, 255, .08), transparent);
    }
    .compare-note h2 {
      margin: 0 0 12px;
      font-size: clamp(1.6rem, 3vw, 2.5rem);
      font-weight: 900;
    }
    .compare-note p { color: var(--muted); margin: 0 0 18px; }
    .compare-table {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      background: rgba(17, 24, 39, .74);
      box-shadow: var(--shadow);
    }
    .compare-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
      border-bottom: 1px solid rgba(148, 163, 184, .16);
    }
    .compare-row:last-child { border-bottom: 0; }
    .compare-cell {
      padding: 18px;
      color: var(--muted);
      border-right: 1px solid rgba(148, 163, 184, .16);
    }
    .compare-cell:last-child { border-right: 0; }
    .compare-head .compare-cell {
      color: #fff;
      font-weight: 900;
      background: rgba(0, 82, 255, .18);
    }
    .good { color: #86efac; font-weight: 800; }
    .warn { color: #fcd34d; font-weight: 800; }
    .timeline {
      display: grid;
      gap: 16px;
      counter-reset: step;
    }
    .step {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 18px;
      align-items: start;
      padding: 20px 0;
      border-bottom: 1px solid rgba(148, 163, 184, .16);
    }
    .step:last-child { border-bottom: 0; }
    .step:before {
      counter-increment: step;
      content: counter(step, decimal-leading-zero);
      width: 56px;
      height: 56px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--blue), var(--cyan));
      border-radius: 16px;
      font-weight: 950;
      box-shadow: var(--shadow-blue);
    }
    .step h3 {
      margin: 0 0 8px;
      font-size: 1.12rem;
      font-weight: 850;
    }
    .step p {
      margin: 0;
      color: var(--muted);
    }
    .form-band {
      border: 1px solid rgba(0, 240, 255, .26);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .14), rgba(0, 240, 255, .06)),
        rgba(17, 24, 39, .78);
      box-shadow: var(--shadow);
      padding: 30px;
    }
    .form-control,
    .form-select {
      min-height: 50px;
      color: #fff;
      background-color: rgba(8, 9, 15, .72);
      border: 1px solid rgba(148, 163, 184, .26);
      border-radius: 14px;
    }
    .form-control::placeholder { color: #64748b; }
    .form-control:focus,
    .form-select:focus {
      color: #fff;
      background-color: rgba(8, 9, 15, .86);
      border-color: rgba(0, 240, 255, .55);
    }
    .form-label {
      color: #e2e8f0;
      font-weight: 750;
      margin-bottom: 8px;
    }
    .form-hint {
      color: var(--muted-2);
      font-size: .9rem;
      margin-top: 10px;
    }
    .accordion {
      display: grid;
      gap: 12px;
    }
    .accordion-item {
      color: var(--text);
      background: rgba(17, 24, 39, .76);
      border: 1px solid rgba(0, 240, 255, .2);
      border-radius: var(--radius-sm) !important;
      overflow: hidden;
    }
    .accordion-button {
      color: #fff;
      background: transparent;
      font-weight: 850;
      padding: 18px 20px;
    }
    .accordion-button:not(.collapsed) {
      color: var(--cyan);
      background: rgba(0, 240, 255, .06);
      box-shadow: none;
    }
    .accordion-button:after { filter: invert(1); }
    .accordion-body {
      color: var(--muted);
      padding: 0 20px 20px;
    }
    .cta-section {
      padding: 72px 0;
      text-align: center;
    }
    .cta-box {
      border: 1px solid rgba(0, 240, 255, .28);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(0, 82, 255, .22), rgba(0, 240, 255, .08)),
        rgba(8, 9, 15, .78);
      padding: 42px 28px;
      box-shadow: var(--shadow);
    }
    .cta-box h2 {
      font-size: clamp(1.7rem, 3vw, 2.8rem);
      font-weight: 950;
      margin: 0 auto 14px;
      max-width: 780px;
    }
    .cta-box p {
      color: var(--muted);
      max-width: 760px;
      margin: 0 auto 24px;
    }
    .floating-fab {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 1050;
      min-width: 58px;
      height: 58px;
      padding: 0 16px;
      display: inline-flex;
      align-items: center;
      gap: 9px;
      border-radius: 999px;
      color: #fff;
      background: rgba(0, 0, 0, .62);
      border: 1px solid rgba(0, 240, 255, .72);
      box-shadow: 0 0 18px rgba(0, 240, 255, .42), inset 0 0 18px rgba(0, 82, 255, .22);
      backdrop-filter: blur(12px);
      opacity: .72;
      font-weight: 900;
      transition: opacity .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
      overflow: visible;
    }
    .floating-fab:before {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: inherit;
      padding: 2px;
      background: linear-gradient(120deg, var(--cyan), var(--blue), var(--cyan));
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      animation: flowBorder 2.8s linear infinite;
      pointer-events: none;
    }
    .fab-icon {
      font-size: 1.25rem;
      text-shadow: 0 0 12px rgba(0, 240, 255, .9);
    }
    .floating-fab:hover {
      opacity: 1;
      color: #fff;
      transform: translateY(-3px) scale(1.04);
      box-shadow: 0 0 28px rgba(0, 240, 255, .62);
    }
    .floating-fab:active {
      transform: translateY(1px) scale(.96);
      border-color: #ff79c6;
    }
    .fab-alert {
      position: absolute;
      top: -3px;
      right: -3px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--red);
      box-shadow: 0 0 14px rgba(239, 68, 68, .9);
      animation: blink 1.15s infinite;
    }
    .site-footer {
      padding: 54px 0 28px;
      border-top: 1px solid rgba(148, 163, 184, .18);
      background: rgba(5, 7, 12, .86);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.45fr 1fr 1fr 1fr;
      gap: 28px;
      margin-bottom: 32px;
    }
    .footer-brand {
      font-size: 1.05rem;
      font-weight: 900;
      margin-bottom: 12px;
      color: #fff;
    }
    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 430px;
    }
    .footer-title {
      color: #fff;
      font-weight: 850;
      margin-bottom: 12px;
    }
    .footer-links {
      display: grid;
      gap: 9px;
    }
    .footer-links a {
      color: var(--muted-2);
      font-size: .94rem;
    }
    .footer-links a:hover { color: var(--cyan); transform: translateX(3px); }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      border-top: 1px solid rgba(148, 163, 184, .16);
      padding-top: 22px;
      color: var(--muted-2);
      font-size: .9rem;
    }
    @keyframes pulseDot {
      0%, 100% { transform: scale(1); opacity: .75; }
      50% { transform: scale(1.35); opacity: 1; }
    }
    @keyframes blink {
      0%, 100% { opacity: .35; transform: scale(.9); }
      50% { opacity: 1; transform: scale(1.12); }
    }
    @keyframes flowBorder {
      0% { filter: hue-rotate(0deg); opacity: .65; }
      100% { filter: hue-rotate(360deg); opacity: .95; }
    }
    @media (max-width: 1100px) {
      .brand-wrap { max-width: 280px; }
      .nav-links a { padding: 8px 9px; font-size: .86rem; }
      .hero-layout,
      .metrics-strip,
      .compare-wrap {
        grid-template-columns: 1fr;
      }
      .poster-panel { max-width: 430px; }
    }
    @media (max-width: 991.98px) {
      .navbar { min-height: 72px; }
      .nav-shell { flex-wrap: wrap; padding: 12px 0; }
      .nav-actions { margin-left: auto; }
      .navbar-collapse {
        width: 100%;
        flex-basis: 100%;
        border-top: 1px solid rgba(148, 163, 184, .16);
        margin-top: 12px;
        padding-top: 12px;
      }
      .nav-links {
        align-items: stretch;
        gap: 8px;
        padding: 0 0 6px;
      }
      .nav-links a {
        width: 100%;
        justify-content: flex-start;
        white-space: normal;
      }
      .service-matrix,
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      section { padding: 56px 0; }
      .page-hero { min-height: auto; padding: 112px 0 36px; }
      .hero-copy p { font-size: 1rem; }
      .metric-grid,
      .service-matrix,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .compare-row {
        grid-template-columns: 1fr;
      }
      .compare-cell {
        border-right: 0;
        border-bottom: 1px solid rgba(148, 163, 184, .16);
      }
      .compare-cell:last-child { border-bottom: 0; }
      .meter-row { grid-template-columns: 1fr; gap: 7px; }
      .step { grid-template-columns: 48px 1fr; gap: 14px; }
      .step:before { width: 44px; height: 44px; border-radius: 13px; }
      .footer-bottom { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container-page { width: min(100% - 24px, var(--container)); }
      .brand-text { font-size: .82rem; max-width: 152px; }
      .brand-mark { width: 38px; height: 38px; flex-basis: 38px; }
      .nav-actions { gap: 6px; }
      .btn-custom { min-height: 40px; padding: 9px 12px; font-size: .84rem; }
      .navbar-toggler { width: 40px; height: 40px; }
      .hero-actions .btn-custom { width: 100%; }
      .heat-badge { width: 100%; justify-content: center; }
      .form-band,
      .dashboard,
      .cta-box { padding: 22px; }
      .floating-fab {
        left: 1rem;
        bottom: 5.5rem;
        min-width: 52px;
        height: 52px;
        padding: 0 13px;
      }
      .floating-fab span:last-child { display: none; }
    }