/* roulang page: index */
:root {
      --brand-purple: #7c3aed;
      --brand-pink: #ec4899;
      --brand-orange: #ff7a1a;
      --mint: #10b981;
      --amber: #f59e0b;
      --ink: #171423;
      --ink-2: #262236;
      --muted: #6b6478;
      --soft-bg: #fff7f2;
      --soft-violet: #f7f2ff;
      --card-bg: #ffffff;
      --line: rgba(23, 20, 35, .1);
      --brand-line: rgba(124, 58, 237, .18);
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow-soft: 0 18px 50px rgba(124, 58, 237, .13);
      --shadow-warm: 0 20px 54px rgba(236, 72, 153, .18);
      --gradient-brand: linear-gradient(135deg, var(--brand-purple), var(--brand-pink) 52%, var(--brand-orange));
      --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, .12), rgba(236, 72, 153, .10), rgba(255, 122, 26, .12));
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(236, 72, 153, .10), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(255, 122, 26, .10), transparent 28%),
        linear-gradient(180deg, #fffaf7 0%, #ffffff 38%, #fff7f2 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

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

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

    ::selection {
      color: #fff;
      background: var(--brand-pink);
    }

    .site-shell {
      min-height: 100vh;
      padding-top: 84px;
    }

    .container {
      max-width: 1180px;
    }

    .section-pad {
      padding: 84px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(124, 58, 237, .08);
      color: var(--brand-purple);
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(28px, 4vw, 40px);
      line-height: 1.18;
      font-weight: 800;
      margin: 0 0 14px;
      color: var(--ink);
      letter-spacing: 0;
    }

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

    .site-header {
      position: fixed;
      inset: 0 0 auto;
      z-index: 1030;
      padding: 12px 0;
      background: rgba(255, 250, 247, .88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(124, 58, 237, .12);
      box-shadow: 0 10px 30px rgba(23, 20, 35, .06);
    }

    .navbar {
      min-height: 58px;
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      white-space: nowrap;
      margin-right: 26px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: var(--gradient-brand);
      color: #fff;
      display: grid;
      place-items: center;
      font-size: 15px;
      font-weight: 900;
      box-shadow: 0 14px 30px rgba(236, 72, 153, .25);
    }

    .navbar-toggler {
      border: 0;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(124, 58, 237, .08);
      color: var(--ink);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .18);
    }

    .nav-channel {
      gap: 6px;
    }

    .nav-link {
      position: relative;
      color: var(--muted);
      font-weight: 700;
      padding: 10px 14px !important;
      border-radius: 999px;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .08);
    }

    .nav-link.active {
      color: var(--brand-purple);
      background: linear-gradient(135deg, rgba(124, 58, 237, .12), rgba(236, 72, 153, .10));
    }

    .nav-search {
      width: 230px;
      position: relative;
    }

    .nav-search .form-control {
      height: 44px;
      border-radius: 999px;
      border: 1px solid rgba(124, 58, 237, .16);
      background: #fff;
      padding-left: 18px;
      padding-right: 18px;
      color: var(--ink);
      box-shadow: none;
    }

    .form-control:focus {
      border-color: rgba(236, 72, 153, .55);
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .13);
    }

    .btn {
      border: 0;
      border-radius: 999px;
      font-weight: 800;
      padding: 12px 20px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .btn-primary {
      background: var(--gradient-brand);
      color: #fff;
      box-shadow: 0 16px 34px rgba(236, 72, 153, .24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 20px 46px rgba(236, 72, 153, .32);
      filter: brightness(1.04);
    }

    .btn-soft {
      background: #fff;
      color: var(--brand-purple);
      border: 1px solid rgba(124, 58, 237, .18);
      box-shadow: 0 10px 28px rgba(124, 58, 237, .08);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      color: var(--brand-pink);
      background: #fff5fb;
      transform: translateY(-2px);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, .14);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .36);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      background: rgba(255, 255, 255, .22);
      color: #fff;
      transform: translateY(-2px);
    }

    .hero {
      position: relative;
      min-height: calc(100vh - 84px);
      display: flex;
      align-items: center;
      padding: 56px 0 68px;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(110deg, rgba(20, 18, 31, .94) 0%, rgba(56, 27, 92, .88) 36%, rgba(236, 72, 153, .78) 68%, rgba(255, 122, 26, .82) 100%),
        radial-gradient(circle at 78% 24%, rgba(255,255,255,.25), transparent 34%),
        linear-gradient(135deg, #7c3aed, #ec4899, #ff7a1a);
    }

    .hero::before,
    .hero::after {
      content: "";
      position: absolute;
      pointer-events: none;
      opacity: .45;
    }

    .hero::before {
      width: 560px;
      height: 560px;
      right: -180px;
      top: -180px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255, 255, 255, .32), transparent 65%);
    }

    .hero::after {
      inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(90deg, transparent, #000 15%, #000 80%, transparent);
    }

    .hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-stage {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(360px, 1.05fr);
      align-items: center;
      gap: 44px;
    }

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

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .28);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 20px;
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 6px rgba(16, 185, 129, .16);
      flex: 0 0 auto;
    }

    h1 {
      font-size: clamp(34px, 5.4vw, 58px);
      line-height: 1.08;
      font-weight: 900;
      margin: 0 0 18px;
      letter-spacing: 0;
    }

    .hero-desc {
      font-size: 18px;
      color: rgba(255, 255, 255, .88);
      margin: 0 0 28px;
      max-width: 610px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 28px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      max-width: 560px;
    }

    .metric-pill {
      padding: 14px 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .22);
      backdrop-filter: blur(8px);
    }

    .metric-num {
      display: block;
      font-size: 28px;
      line-height: 1;
      font-weight: 900;
      margin-bottom: 6px;
    }

    .metric-text {
      display: block;
      font-size: 13px;
      color: rgba(255, 255, 255, .82);
      font-weight: 700;
    }

    .poster-panel {
      position: relative;
      min-height: 500px;
      border-radius: 36px;
      padding: 26px;
      background:
        linear-gradient(145deg, rgba(255,255,255,.22), rgba(255,255,255,.08)),
        radial-gradient(circle at 24% 18%, rgba(255,255,255,.24), transparent 32%);
      border: 1px solid rgba(255, 255, 255, .32);
      box-shadow: 0 30px 90px rgba(20, 18, 31, .30);
      overflow: hidden;
    }

    .poster-panel::before {
      content: "99";
      position: absolute;
      right: 22px;
      top: -18px;
      font-size: 132px;
      line-height: 1;
      font-weight: 900;
      color: rgba(255,255,255,.12);
    }

    .entry-matrix {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 16px;
      height: 100%;
    }

    .entry-card {
      border-radius: 26px;
      padding: 22px;
      background: rgba(255, 255, 255, .94);
      color: var(--ink);
      border: 1px solid rgba(255,255,255,.55);
      box-shadow: 0 20px 50px rgba(20, 18, 31, .14);
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 26px 60px rgba(20, 18, 31, .20);
    }

    .entry-card.big {
      min-height: 290px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        linear-gradient(160deg, rgba(255,255,255,.96), rgba(255,247,242,.92)),
        radial-gradient(circle at 80% 24%, rgba(236,72,153,.16), transparent 38%);
    }

    .entry-card.stack {
      display: grid;
      gap: 14px;
      background: rgba(255,255,255,.88);
    }

    .entry-title {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .entry-copy {
      color: var(--muted);
      margin: 0;
      font-size: 15px;
    }

    .entry-search {
      margin-top: 22px;
      padding: 9px;
      border-radius: 999px;
      background: #f7f2ff;
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .entry-search span {
      color: var(--muted);
      font-size: 14px;
      padding-left: 10px;
      flex: 1;
    }

    .mini-status {
      border-radius: 20px;
      padding: 16px;
      background: linear-gradient(135deg, rgba(124,58,237,.10), rgba(236,72,153,.08));
    }

    .mini-status strong {
      display: block;
      font-size: 18px;
      margin-bottom: 6px;
    }

    .mini-status small {
      color: var(--muted);
      font-weight: 600;
    }

    .poster-timeline {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 16px;
    }

    .timeline-chip {
      padding: 15px;
      border-radius: 22px;
      background: rgba(255, 255, 255, .88);
      color: var(--ink);
    }

    .timeline-chip b {
      display: block;
      font-size: 14px;
      color: var(--brand-purple);
      margin-bottom: 5px;
    }

    .timeline-chip span {
      font-size: 13px;
      color: var(--muted);
      font-weight: 600;
    }

    .catalog-section {
      background: #fff;
    }

    .catalog-grid {
      margin-top: 34px;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      align-items: stretch;
    }

    .catalog-main,
    .feature-card,
    .benefit-card,
    .progress-panel,
    .faq-panel,
    .news-panel,
    .share-card {
      border-radius: var(--radius-lg);
      background: var(--card-bg);
      border: 1px solid var(--brand-line);
      box-shadow: var(--shadow-soft);
    }

    .catalog-main {
      padding: 30px;
      min-height: 360px;
      background:
        linear-gradient(145deg, #fff, #fff7f2),
        radial-gradient(circle at 88% 12%, rgba(255,122,26,.12), transparent 30%);
    }

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

    .chapter-item {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.82);
      border: 1px solid rgba(124,58,237,.10);
      transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    .chapter-item:hover {
      transform: translateY(-3px);
      border-color: rgba(236,72,153,.35);
      box-shadow: 0 14px 30px rgba(124,58,237,.11);
    }

    .chapter-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      color: #fff;
      font-weight: 900;
      background: var(--gradient-brand);
    }

    .chapter-item h3 {
      font-size: 18px;
      font-weight: 900;
      margin: 0 0 4px;
    }

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

    .catalog-side {
      display: grid;
      gap: 18px;
    }

    .side-highlight {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--gradient-brand);
      color: #fff;
      box-shadow: var(--shadow-warm);
    }

    .side-highlight h3 {
      font-size: 24px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .side-highlight p {
      margin: 0;
      color: rgba(255,255,255,.86);
    }

    .badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 18px;
    }

    .custom-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      padding: 7px 12px;
      background: rgba(255,255,255,.18);
      color: inherit;
      font-weight: 800;
      font-size: 13px;
      border: 1px solid rgba(255,255,255,.25);
    }

    .custom-badge.light {
      background: rgba(124,58,237,.08);
      color: var(--brand-purple);
      border-color: rgba(124,58,237,.12);
    }

    .recommended-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
    }

    .feature-card {
      padding: 26px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-color: rgba(236,72,153,.38);
      box-shadow: var(--shadow-warm);
    }

    .feature-card.large {
      grid-column: span 6;
      min-height: 260px;
      background:
        linear-gradient(140deg, #fff, #fff2f8),
        radial-gradient(circle at 90% 20%, rgba(236,72,153,.12), transparent 34%);
    }

    .feature-card.small {
      grid-column: span 3;
      min-height: 260px;
    }

    .icon-bubble {
      width: 48px;
      height: 48px;
      border-radius: 17px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: var(--gradient-brand);
      margin-bottom: 18px;
      box-shadow: 0 12px 26px rgba(236,72,153,.22);
    }

    .feature-card h3,
    .benefit-card h3,
    .progress-panel h3,
    .news-panel h3,
    .share-card h3 {
      font-size: 21px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .feature-card p,
    .benefit-card p,
    .progress-panel p,
    .news-panel p,
    .share-card p {
      color: var(--muted);
      margin: 0;
    }

    .proof-strip {
      padding: 26px 0;
      background: #14121f;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .proof-strip::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(124,58,237,.32), transparent 42%, rgba(255,122,26,.22));
    }

    .proof-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }

    .proof-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }

    .proof-icon {
      width: 36px;
      height: 36px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.14);
      color: #fff;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .proof-item strong {
      display: block;
      line-height: 1.25;
      font-size: 15px;
    }

    .proof-item span {
      color: rgba(255,255,255,.70);
      font-size: 13px;
    }

    .benefit-section {
      background: linear-gradient(180deg, #fff7f2, #ffffff);
    }

    .benefit-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 22px;
    }

    .benefit-card {
      padding: 30px;
    }

    .benefit-card.primary {
      background:
        linear-gradient(150deg, #fff, #f7f2ff),
        radial-gradient(circle at 24% 18%, rgba(124,58,237,.12), transparent 34%);
    }

    .benefit-list {
      list-style: none;
      padding: 0;
      margin: 22px 0 0;
      display: grid;
      gap: 12px;
    }

    .benefit-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      color: var(--ink-2);
      font-weight: 650;
    }

    .check-dot {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      flex: 0 0 auto;
      background: rgba(16,185,129,.12);
      color: var(--mint);
      font-size: 13px;
      font-weight: 900;
      margin-top: 2px;
    }

    .benefit-stack {
      display: grid;
      gap: 18px;
    }

    .progress-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
      gap: 22px;
      align-items: start;
    }

    .progress-panel {
      padding: 30px;
    }

    .progress {
      height: 16px;
      border-radius: 999px;
      background: rgba(124,58,237,.10);
      overflow: visible;
      margin: 22px 0 30px;
    }

    .progress-bar {
      border-radius: 999px;
      background: var(--gradient-brand);
      box-shadow: 0 10px 22px rgba(236,72,153,.25);
    }

    .step-timeline {
      display: grid;
      gap: 16px;
      position: relative;
    }

    .step-node {
      display: grid;
      grid-template-columns: 46px 1fr auto;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 20px;
      border: 1px solid rgba(124,58,237,.12);
      background: #fff;
    }

    .step-dot {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      font-weight: 900;
      background: var(--gradient-brand);
    }

    .step-node h3 {
      font-size: 18px;
      font-weight: 900;
      margin: 0 0 4px;
    }

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

    .state-badge {
      border-radius: 999px;
      padding: 6px 10px;
      background: rgba(16,185,129,.10);
      color: #087f5b;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

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

    .metric-card {
      padding: 22px;
      border-radius: var(--radius-md);
      background: #fff;
      border: 1px solid var(--brand-line);
      box-shadow: 0 14px 34px rgba(124,58,237,.09);
    }

    .metric-card b {
      display: block;
      font-size: 36px;
      line-height: 1;
      font-weight: 900;
      color: var(--brand-purple);
      margin-bottom: 8px;
    }

    .metric-card span {
      color: var(--muted);
      font-weight: 700;
    }

    .scenario-section {
      background: #fff;
    }

    .scenario-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      align-items: center;
    }

    .scenario-visual {
      min-height: 410px;
      border-radius: var(--radius-xl);
      padding: 28px;
      background:
        linear-gradient(145deg, rgba(124,58,237,.12), rgba(236,72,153,.10), rgba(255,122,26,.12)),
        #fff;
      border: 1px solid var(--brand-line);
      box-shadow: var(--shadow-soft);
    }

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

    .screen-row {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 12px;
      align-items: center;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255,255,255,.88);
      border: 1px solid rgba(124,58,237,.12);
    }

    .screen-row .label {
      color: var(--brand-purple);
      font-weight: 900;
    }

    .screen-bar {
      height: 10px;
      border-radius: 999px;
      background: linear-gradient(90deg, rgba(124,58,237,.82), rgba(236,72,153,.64));
    }

    .scenario-list {
      display: grid;
      gap: 16px;
    }

    .scenario-item {
      padding: 20px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--brand-line);
      box-shadow: 0 12px 28px rgba(124,58,237,.08);
    }

    .scenario-item h3 {
      font-size: 19px;
      font-weight: 900;
      margin-bottom: 6px;
    }

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

    .news-section {
      background: linear-gradient(180deg, #ffffff, #fff7f2);
    }

    .news-layout {
      margin-top: 34px;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
      gap: 24px;
      align-items: start;
    }

    .news-panel {
      padding: 28px;
    }

    .news-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 12px;
    }

    .news-list a {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 15px 0;
      border-bottom: 1px solid rgba(23,20,35,.08);
      color: var(--ink);
      font-weight: 800;
    }

    .news-list a:hover,
    .news-list a:focus {
      color: var(--brand-pink);
      transform: translateX(4px);
    }

    .news-list small {
      color: var(--muted);
      font-weight: 700;
      white-space: nowrap;
    }

    .recommend-card {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: var(--gradient-brand);
      color: #fff;
      box-shadow: var(--shadow-warm);
    }

    .recommend-card p {
      color: rgba(255,255,255,.84);
      margin: 10px 0 18px;
    }

    .accordion {
      --bs-accordion-border-width: 0;
      --bs-accordion-border-radius: 0;
      display: grid;
      gap: 14px;
      margin-top: 34px;
    }

    .accordion-item {
      border-radius: 22px !important;
      overflow: hidden;
      border: 1px solid rgba(124,58,237,.14);
      box-shadow: 0 12px 28px rgba(124,58,237,.08);
      background: #fff;
    }

    .accordion-button {
      padding: 20px 22px;
      font-weight: 900;
      color: var(--ink);
      background: #fff;
      box-shadow: none !important;
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-purple);
      background: linear-gradient(135deg, rgba(124,58,237,.10), rgba(236,72,153,.07));
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: 0 0 0 4px rgba(236,72,153,.14) !important;
    }

    .accordion-body {
      color: var(--muted);
      padding: 0 22px 22px;
    }

    .share-section {
      background: #fff;
    }

    .share-card {
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      background:
        linear-gradient(145deg, #fff, #fff7f2),
        radial-gradient(circle at 92% 12%, rgba(255,122,26,.14), transparent 35%);
    }

    .share-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .final-cta {
      padding: 84px 0;
      background: #fff7f2;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      border-radius: 36px;
      padding: 48px;
      color: #fff;
      background:
        radial-gradient(circle at 84% 22%, rgba(255,255,255,.22), transparent 32%),
        var(--gradient-brand);
      box-shadow: 0 28px 80px rgba(236,72,153,.25);
    }

    .cta-card::after {
      content: "99";
      position: absolute;
      right: 30px;
      bottom: -40px;
      font-size: 160px;
      font-weight: 900;
      line-height: 1;
      color: rgba(255,255,255,.12);
    }

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

    .cta-card h2 {
      font-size: clamp(28px, 4vw, 42px);
      line-height: 1.18;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .cta-card p {
      color: rgba(255,255,255,.86);
      margin: 0;
      max-width: 720px;
    }

    .site-footer {
      background: #14121f;
      color: #fff;
      padding: 56px 0 28px;
      position: relative;
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 4px;
      background: var(--gradient-brand);
    }

    .footer-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 14px;
    }

    .footer-text {
      color: rgba(255,255,255,.68);
      max-width: 460px;
      margin: 0;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255,255,255,.70);
      font-weight: 650;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      position: relative;
      z-index: 1;
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 20px;
      color: rgba(255,255,255,.58);
      font-size: 14px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
    }

    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 1020;
      width: min(680px, calc(100% - 28px));
      padding: 10px;
      border-radius: 999px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(124,58,237,.16);
      box-shadow: 0 18px 48px rgba(23,20,35,.16);
      backdrop-filter: blur(14px);
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .floating-cta span {
      flex: 1;
      color: var(--ink);
      font-weight: 800;
      padding-left: 12px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    @media (max-width: 991.98px) {
      .site-shell {
        padding-top: 76px;
      }

      .navbar-collapse {
        margin-top: 12px;
        padding: 16px;
        border-radius: 0 0 24px 24px;
        background: rgba(255,255,255,.96);
        box-shadow: 0 20px 46px rgba(23,20,35,.12);
      }

      .nav-search {
        width: 100%;
        margin: 12px 0;
      }

      .hero {
        min-height: auto;
        padding: 48px 0 58px;
      }

      .hero-stage,
      .catalog-grid,
      .benefit-layout,
      .progress-layout,
      .scenario-layout,
      .news-layout,
      .cta-content,
      .share-card {
        grid-template-columns: 1fr;
      }

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

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

      .feature-card.large,
      .feature-card.small {
        grid-column: span 1;
        min-height: auto;
      }

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

      .share-actions,
      .cta-content .hero-actions {
        justify-content: flex-start;
      }

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

    @media (max-width: 767.98px) {
      .section-pad {
        padding: 58px 0;
      }

      .hero-metrics,
      .poster-timeline,
      .entry-matrix,
      .recommended-layout,
      .proof-grid {
        grid-template-columns: 1fr;
      }

      .hero-actions .btn,
      .share-actions .btn,
      .cta-content .btn {
        width: 100%;
      }

      .poster-panel,
      .catalog-main,
      .benefit-card,
      .progress-panel,
      .news-panel,
      .share-card,
      .cta-card {
        border-radius: 24px;
        padding: 24px;
      }

      .step-node {
        grid-template-columns: 42px 1fr;
      }

      .step-node .state-badge {
        grid-column: 2;
        justify-self: start;
      }

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

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

      .floating-cta {
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
      }

      .floating-cta span {
        white-space: normal;
        padding: 4px 8px 0;
        text-align: center;
      }

      .floating-cta .btn {
        width: 100%;
      }
    }

    @media (max-width: 575.98px) {
      .navbar-brand {
        font-size: 16px;
        margin-right: 0;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero {
        padding-top: 38px;
      }

      .hero-desc,
      .section-lead {
        font-size: 16px;
      }

      .metric-pill {
        padding: 13px 14px;
      }

      .metric-num {
        font-size: 24px;
      }

      .news-list a {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .copyright {
        padding-bottom: 92px;
      }
    }

/* roulang page: category2 */
:root {
      --brand-purple: #7c3aed;
      --brand-pink: #ec4899;
      --brand-orange: #ff7a1a;
      --brand-green: #10b981;
      --brand-amber: #f59e0b;
      --ink: #14121f;
      --ink-soft: #343044;
      --muted: #746f83;
      --soft-bg: #fff7f2;
      --lavender-bg: #f7f2ff;
      --card-bg: #ffffff;
      --line: rgba(20, 18, 31, .09);
      --line-strong: rgba(124, 58, 237, .18);
      --radius-xl: 30px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --shadow-soft: 0 18px 50px rgba(124, 58, 237, .12);
      --shadow-warm: 0 22px 60px rgba(236, 72, 153, .17);
      --gradient-brand: linear-gradient(135deg, var(--brand-purple), var(--brand-pink) 54%, var(--brand-orange));
      --gradient-soft: linear-gradient(135deg, rgba(124, 58, 237, .11), rgba(236, 72, 153, .09), rgba(255, 122, 26, .11));
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(236, 72, 153, .10), transparent 26%),
        radial-gradient(circle at 92% 14%, rgba(255, 122, 26, .10), transparent 24%),
        linear-gradient(180deg, #fffaf7 0%, #ffffff 46%, #f9f5ff 100%);
      line-height: 1.7;
      text-rendering: optimizeLegibility;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease, box-shadow .22s ease;
    }

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

    button,
    input {
      font: inherit;
    }

    ::selection {
      background: rgba(236, 72, 153, .22);
    }

    .container {
      max-width: 1180px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 250, 247, .88);
      border-bottom: 1px solid rgba(124, 58, 237, .10);
      backdrop-filter: blur(18px);
    }

    .navbar {
      min-height: 76px;
      padding: 12px 0;
    }

    .navbar-brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      font-weight: 800;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 16px;
      font-weight: 900;
      background: var(--gradient-brand);
      box-shadow: 0 12px 28px rgba(236, 72, 153, .24);
    }

    .navbar-toggler {
      border: 1px solid var(--line-strong);
      border-radius: 14px;
      color: var(--brand-purple);
      padding: 8px 12px;
      background: rgba(255, 255, 255, .78);
      box-shadow: none;
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .16);
    }

    .nav-channel {
      gap: 6px;
      align-items: center;
    }

    .nav-channel .nav-link {
      position: relative;
      border-radius: 999px;
      color: var(--ink-soft);
      font-size: 15px;
      font-weight: 700;
      padding: 9px 15px;
    }

    .nav-channel .nav-link:hover,
    .nav-channel .nav-link:focus {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .08);
    }

    .nav-channel .nav-link.active {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .11);
    }

    .nav-channel .nav-link.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 5px;
      height: 3px;
      border-radius: 99px;
      background: var(--gradient-brand);
    }

    .nav-search {
      min-width: 210px;
    }

    .form-control {
      min-height: 44px;
      border: 1px solid rgba(124, 58, 237, .15);
      border-radius: 999px;
      color: var(--ink);
      background: rgba(255, 255, 255, .82);
      padding: 10px 16px;
      box-shadow: none;
      transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
    }

    .form-control::placeholder {
      color: rgba(116, 111, 131, .82);
    }

    .form-control:focus {
      border-color: rgba(236, 72, 153, .55);
      background: #fff;
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .14);
    }

    .btn {
      min-height: 44px;
      border-radius: 999px;
      padding: 10px 18px;
      font-weight: 800;
      border: 1px solid transparent;
      letter-spacing: 0;
      transition: transform .22s ease, box-shadow .22s ease, background .22s ease, border-color .22s ease, color .22s ease;
    }

    .btn:focus-visible,
    a:focus-visible {
      outline: 3px solid rgba(236, 72, 153, .35);
      outline-offset: 3px;
    }

    .btn-primary {
      border: 0;
      color: #fff;
      background: var(--gradient-brand);
      box-shadow: 0 14px 34px rgba(236, 72, 153, .24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(236, 72, 153, .30);
      filter: saturate(1.08);
    }

    .btn-soft {
      color: var(--brand-purple);
      background: rgba(255, 255, 255, .72);
      border-color: rgba(124, 58, 237, .16);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      color: var(--brand-pink);
      background: rgba(247, 242, 255, .96);
      border-color: rgba(236, 72, 153, .25);
      transform: translateY(-1px);
    }

    .btn-ghost {
      color: #fff;
      border-color: rgba(255, 255, 255, .46);
      background: rgba(255, 255, 255, .14);
    }

    .btn-ghost:hover,
    .btn-ghost:focus {
      color: #fff;
      background: rgba(255, 255, 255, .22);
      transform: translateY(-1px);
    }

    .page-hero {
      position: relative;
      overflow: hidden;
      color: #fff;
      min-height: 520px;
      display: flex;
      align-items: stretch;
      background: #22152f;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(105deg, rgba(20, 18, 31, .92), rgba(124, 58, 237, .75) 48%, rgba(236, 72, 153, .62)),
        radial-gradient(circle at 84% 12%, rgba(255, 122, 26, .48), transparent 32%),
        repeating-linear-gradient(115deg, rgba(255,255,255,.08) 0 1px, transparent 1px 18px);
      z-index: 1;
    }

    .page-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255,255,255,.06) 0 1px, transparent 1px 68px),
        linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 68px);
      opacity: .32;
      z-index: 2;
    }

    .hero-motion {
      position: absolute;
      inset: 0;
      z-index: 0;
      background:
        radial-gradient(circle at 70% 45%, rgba(255, 122, 26, .38), transparent 18%),
        radial-gradient(circle at 44% 30%, rgba(236, 72, 153, .38), transparent 24%),
        linear-gradient(135deg, #7c3aed, #ec4899, #ff7a1a);
      animation: shiftTone 9s ease-in-out infinite alternate;
      transform: scale(1.04);
    }

    @keyframes shiftTone {
      from { filter: hue-rotate(0deg) saturate(1); transform: scale(1.04) translateX(0); }
      to { filter: hue-rotate(8deg) saturate(1.12); transform: scale(1.08) translateX(-18px); }
    }

    .hero-inner {
      position: relative;
      z-index: 3;
      width: 100%;
      padding: 82px 0 72px;
    }

    .breadcrumb-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 14px;
      border-radius: 999px;
      color: rgba(255, 255, 255, .92);
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .22);
      margin-bottom: 26px;
      font-size: 14px;
      font-weight: 700;
    }

    .breadcrumb-wrap a:hover {
      color: #fff;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    .hero-kicker,
    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 8px 13px;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .hero-kicker {
      color: #fff;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .24);
    }

    .section-kicker {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .09);
      border: 1px solid rgba(124, 58, 237, .12);
    }

    .status-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      display: inline-block;
      background: var(--brand-green);
      box-shadow: 0 0 0 5px rgba(16, 185, 129, .16);
    }

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

    h1 {
      max-width: 780px;
      margin: 18px 0 18px;
      font-size: clamp(34px, 5vw, 54px);
      font-weight: 900;
    }

    .hero-lead {
      max-width: 720px;
      margin: 0 0 28px;
      color: rgba(255, 255, 255, .86);
      font-size: 18px;
      line-height: 1.85;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin: 28px 0 30px;
    }

    .hero-panel {
      height: 100%;
      border-radius: var(--radius-xl);
      padding: 24px;
      background: rgba(255, 255, 255, .15);
      border: 1px solid rgba(255, 255, 255, .24);
      box-shadow: 0 28px 80px rgba(20, 18, 31, .24);
      backdrop-filter: blur(12px);
    }

    .panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 18px;
    }

    .play-action {
      width: 62px;
      height: 62px;
      flex: 0 0 62px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, .38);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: rgba(255, 255, 255, .18);
      box-shadow: 0 14px 34px rgba(0, 0, 0, .16);
    }

    .play-action::before {
      content: "";
      width: 0;
      height: 0;
      margin-left: 4px;
      border-top: 12px solid transparent;
      border-bottom: 12px solid transparent;
      border-left: 18px solid #fff;
    }

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

    .hero-stat,
    .metric-card {
      border-radius: 20px;
      padding: 16px;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .22);
    }

    .hero-stat strong,
    .metric-card strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      font-weight: 900;
      color: #fff;
      margin-bottom: 8px;
    }

    .hero-stat span,
    .metric-card span {
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-line {
      margin-top: 14px;
      padding: 16px;
      border-radius: 22px;
      background: rgba(20, 18, 31, .24);
      border: 1px solid rgba(255, 255, 255, .16);
    }

    .hero-line-title {
      display: flex;
      justify-content: space-between;
      gap: 14px;
      color: rgba(255, 255, 255, .92);
      font-weight: 800;
      margin-bottom: 10px;
    }

    .progress {
      height: 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .18);
      overflow: hidden;
    }

    .progress-bar {
      border-radius: 999px;
      background: linear-gradient(90deg, #34d399, #ffdd77, #ffffff);
      box-shadow: 0 0 18px rgba(255, 255, 255, .35);
    }

    main {
      overflow: hidden;
    }

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

    .section-tight {
      padding: 62px 0;
    }

    .section-title {
      max-width: 760px;
      margin: 14px 0 16px;
      font-size: clamp(26px, 3vw, 38px);
      font-weight: 900;
      color: var(--ink);
    }

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

    .content-shell {
      margin-top: 34px;
      display: grid;
      grid-template-columns: 330px minmax(0, 1fr);
      gap: 26px;
      align-items: start;
    }

    .timeline-nav {
      position: sticky;
      top: 98px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .84);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      padding: 22px;
    }

    .timeline-nav-title {
      font-size: 18px;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--ink);
    }

    .timeline-list {
      display: grid;
      gap: 14px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .timeline-link {
      display: grid;
      grid-template-columns: 20px 1fr;
      gap: 12px;
      align-items: start;
      padding: 12px;
      border-radius: 18px;
      border: 1px solid transparent;
      background: rgba(247, 242, 255, .54);
    }

    .timeline-link:hover {
      border-color: rgba(236, 72, 153, .20);
      background: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(124, 58, 237, .10);
    }

    .timeline-point {
      width: 16px;
      height: 16px;
      margin-top: 5px;
      border-radius: 50%;
      background: var(--gradient-brand);
      box-shadow: 0 0 0 6px rgba(236, 72, 153, .12);
    }

    .timeline-link strong {
      display: block;
      font-size: 15px;
      color: var(--ink);
      line-height: 1.35;
    }

    .timeline-link span {
      display: block;
      margin-top: 3px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.55;
    }

    .update-stack {
      display: grid;
      gap: 18px;
    }

    .info-card {
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .92);
      box-shadow: 0 14px 42px rgba(124, 58, 237, .09);
      padding: 26px;
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .info-card:hover {
      transform: translateY(-4px);
      border-color: rgba(236, 72, 153, .24);
      box-shadow: var(--shadow-warm);
    }

    .card-head {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 14px;
    }

    .card-head h2,
    .card-head h3 {
      margin: 0;
      color: var(--ink);
      font-size: 24px;
      font-weight: 900;
    }

    .badge {
      border-radius: 999px;
      padding: 7px 11px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .badge-gradient {
      color: #fff;
      background: var(--gradient-brand);
      box-shadow: 0 10px 24px rgba(236, 72, 153, .20);
    }

    .badge-soft {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .09);
      border: 1px solid rgba(124, 58, 237, .12);
    }

    .badge-green {
      color: #047857;
      background: rgba(16, 185, 129, .12);
      border: 1px solid rgba(16, 185, 129, .18);
    }

    .card-text {
      color: var(--muted);
      margin: 0 0 16px;
      font-size: 16px;
    }

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

    .check-list li {
      position: relative;
      padding-left: 30px;
      color: var(--ink-soft);
      font-weight: 600;
    }

    .check-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      top: 0;
      width: 21px;
      height: 21px;
      border-radius: 50%;
      color: #fff;
      background: linear-gradient(135deg, var(--brand-green), #34d399);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 900;
      line-height: 1;
    }

    .topic-strip {
      background: linear-gradient(180deg, rgba(247, 242, 255, .72), rgba(255, 247, 242, .88));
      border-top: 1px solid rgba(124, 58, 237, .08);
      border-bottom: 1px solid rgba(236, 72, 153, .08);
    }

    .topic-grid {
      margin-top: 34px;
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 22px;
    }

    .feature-panel {
      min-height: 100%;
      border-radius: var(--radius-xl);
      padding: 30px;
      background: var(--gradient-brand);
      color: #fff;
      box-shadow: var(--shadow-warm);
      position: relative;
      overflow: hidden;
    }

    .feature-panel::after {
      content: "99";
      position: absolute;
      right: -8px;
      bottom: -46px;
      font-size: 160px;
      line-height: 1;
      font-weight: 900;
      color: rgba(255, 255, 255, .11);
    }

    .feature-panel h2 {
      position: relative;
      z-index: 1;
      font-size: 32px;
      font-weight: 900;
      margin: 12px 0 14px;
    }

    .feature-panel p {
      position: relative;
      z-index: 1;
      color: rgba(255, 255, 255, .84);
      margin: 0;
    }

    .metric-row {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 26px;
    }

    .mini-stack {
      display: grid;
      gap: 18px;
    }

    .mini-card {
      border-radius: var(--radius-lg);
      padding: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 14px 40px rgba(124, 58, 237, .10);
    }

    .mini-card h3 {
      margin: 12px 0 10px;
      font-size: 21px;
      font-weight: 900;
      color: var(--ink);
    }

    .mini-card p {
      margin: 0;
      color: var(--muted);
    }

    .faq-section {
      background: #fff;
    }

    .accordion {
      margin-top: 32px;
      display: grid;
      gap: 14px;
    }

    .accordion-item {
      border: 1px solid var(--line);
      border-radius: 22px !important;
      overflow: hidden;
      box-shadow: 0 10px 32px rgba(124, 58, 237, .08);
      background: #fff;
    }

    .accordion-button {
      border: 0;
      padding: 20px 22px;
      color: var(--ink);
      font-weight: 900;
      background: #fff;
      box-shadow: none;
      letter-spacing: 0;
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-purple);
      background: linear-gradient(135deg, rgba(124, 58, 237, .08), rgba(236, 72, 153, .07));
      box-shadow: none;
    }

    .accordion-button:focus {
      border-color: transparent;
      box-shadow: inset 0 0 0 3px rgba(236, 72, 153, .14);
    }

    .accordion-button::after {
      filter: hue-rotate(240deg) saturate(1.3);
    }

    .accordion-body {
      padding: 0 22px 22px;
      color: var(--muted);
      font-size: 15px;
    }

    .cta-band {
      padding: 78px 0 86px;
      background:
        radial-gradient(circle at 18% 28%, rgba(255, 255, 255, .22), transparent 28%),
        radial-gradient(circle at 84% 52%, rgba(255, 122, 26, .28), transparent 30%),
        var(--gradient-brand);
      color: #fff;
    }

    .cta-card {
      border-radius: 34px;
      padding: 38px;
      background: rgba(255, 255, 255, .15);
      border: 1px solid rgba(255, 255, 255, .24);
      box-shadow: 0 28px 80px rgba(20, 18, 31, .20);
      backdrop-filter: blur(10px);
    }

    .cta-card h2 {
      margin: 0 0 14px;
      font-size: clamp(26px, 3vw, 40px);
      font-weight: 900;
    }

    .cta-card p {
      margin: 0;
      color: rgba(255, 255, 255, .84);
      font-size: 17px;
    }

    .cta-badges {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }

    .cta-badges span {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      padding: 8px 12px;
      color: rgba(255, 255, 255, .92);
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .20);
      font-size: 13px;
      font-weight: 800;
    }

    .site-footer {
      background:
        radial-gradient(circle at 86% 18%, rgba(236, 72, 153, .16), transparent 28%),
        #14121f;
      color: #fff;
      padding: 58px 0 26px;
      position: relative;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 4px;
      background: var(--gradient-brand);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr .7fr;
      gap: 34px;
      padding-bottom: 34px;
    }

    .footer-brand {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-text {
      color: rgba(255, 255, 255, .68);
      max-width: 410px;
      margin: 0;
    }

    .footer-title {
      color: #fff;
      font-weight: 900;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, .68);
      font-weight: 600;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, .12);
      color: rgba(255, 255, 255, .54);
      font-size: 14px;
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        margin-top: 12px;
        padding: 18px;
        border-radius: 0 0 24px 24px;
        background: rgba(255, 255, 255, .96);
        box-shadow: var(--shadow-soft);
        border: 1px solid rgba(124, 58, 237, .10);
      }

      .nav-channel {
        align-items: stretch;
        margin-bottom: 14px;
      }

      .nav-channel .nav-link {
        padding: 11px 14px;
      }

      .nav-search {
        min-width: 100%;
        margin-bottom: 10px;
      }

      .page-hero {
        min-height: auto;
      }

      .hero-inner {
        padding: 64px 0 58px;
      }

      .hero-panel {
        margin-top: 26px;
      }

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

      .timeline-nav {
        position: relative;
        top: auto;
      }

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

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

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

    @media (max-width: 767.98px) {
      .section {
        padding: 58px 0;
      }

      .section-tight {
        padding: 48px 0;
      }

      .hero-actions,
      .cta-card .d-flex {
        flex-direction: column;
        align-items: stretch !important;
      }

      .hero-actions .btn,
      .cta-card .btn {
        width: 100%;
      }

      .hero-stat-grid,
      .metric-row,
      .timeline-list {
        grid-template-columns: 1fr;
      }

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

      .info-card,
      .feature-panel,
      .mini-card,
      .cta-card {
        padding: 22px;
        border-radius: 22px;
      }

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

      .copyright {
        flex-direction: column;
      }
    }

    @media (max-width: 575.98px) {
      .navbar {
        min-height: 68px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 14px;
      }

      .navbar-brand {
        font-size: 16px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-lead {
        font-size: 16px;
      }

      .breadcrumb-wrap {
        flex-wrap: wrap;
      }

      .play-action {
        width: 54px;
        height: 54px;
        flex-basis: 54px;
      }

      .footer-links a,
      .footer-text,
      .copyright {
        font-size: 14px;
      }
    }

/* roulang page: category1 */
:root {
      --brand-purple: #7c3aed;
      --brand-pink: #ec4899;
      --brand-orange: #ff7a1a;
      --mint: #10b981;
      --amber: #f59e0b;
      --ink: #14121f;
      --ink-soft: #222033;
      --muted: #686174;
      --soft-bg: #fff7f2;
      --soft-lilac: #f7f2ff;
      --card-bg: #ffffff;
      --line: rgba(20, 18, 31, .1);
      --line-brand: rgba(124, 58, 237, .16);
      --shadow-soft: 0 18px 50px rgba(124, 58, 237, .12);
      --shadow-warm: 0 20px 56px rgba(236, 72, 153, .16);
      --radius-xl: 30px;
      --radius-lg: 24px;
      --radius-md: 18px;
      --radius-sm: 14px;
      --container: 1160px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(236, 72, 153, .09), transparent 28%),
        radial-gradient(circle at 92% 12%, rgba(255, 122, 26, .12), transparent 26%),
        linear-gradient(180deg, #fffaf7 0%, #ffffff 46%, #f9f5ff 100%);
      line-height: 1.75;
      letter-spacing: 0;
      overflow-x: hidden;
    }

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

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

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

    .container {
      max-width: var(--container);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 250, 247, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(124, 58, 237, .1);
    }

    .navbar {
      min-height: 76px;
      padding: 12px 0;
    }

    .navbar-brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      color: var(--ink);
      white-space: nowrap;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 15px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink) 52%, var(--brand-orange));
      box-shadow: 0 12px 30px rgba(236, 72, 153, .25);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 15px;
      height: 15px;
      right: -3px;
      top: 8px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .36);
    }

    .navbar-toggler {
      border: 1px solid var(--line-brand);
      border-radius: 14px;
      padding: 8px 12px;
      color: var(--brand-purple);
      background: #fff;
      box-shadow: 0 8px 24px rgba(124, 58, 237, .1);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .18);
    }

    .nav-channel {
      gap: 6px;
      align-items: center;
    }

    .nav-channel .nav-link {
      position: relative;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--muted);
      font-weight: 700;
    }

    .nav-channel .nav-link:hover,
    .nav-channel .nav-link:focus {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .08);
    }

    .nav-channel .nav-link.active {
      color: var(--brand-purple);
      background: linear-gradient(135deg, rgba(124, 58, 237, .12), rgba(236, 72, 153, .1));
    }

    .nav-search {
      min-width: 210px;
    }

    .form-control,
    .form-select {
      min-height: 46px;
      border-radius: 16px;
      border: 1px solid rgba(124, 58, 237, .16);
      background-color: rgba(255, 255, 255, .9);
      color: var(--ink);
      padding: 10px 15px;
      box-shadow: none;
    }

    .form-control::placeholder {
      color: #948da1;
    }

    .form-control:focus,
    .form-select:focus {
      border-color: rgba(236, 72, 153, .62);
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .14);
      background: #fff;
    }

    .btn {
      min-height: 46px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      padding: 10px 18px;
      font-weight: 800;
      border: 0;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink) 52%, var(--brand-orange));
      color: #fff;
      box-shadow: 0 14px 34px rgba(236, 72, 153, .24);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 18px 42px rgba(236, 72, 153, .3);
      background: linear-gradient(135deg, #6d28d9, #db2777 48%, #f97316);
    }

    .btn-soft {
      color: var(--brand-purple);
      background: rgba(255, 255, 255, .82);
      border: 1px solid rgba(124, 58, 237, .14);
    }

    .btn-soft:hover,
    .btn-soft:focus {
      color: var(--brand-pink);
      background: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(124, 58, 237, .12);
    }

    .btn-outline-brand {
      color: var(--ink);
      background: transparent;
      border: 1px solid rgba(20, 18, 31, .14);
    }

    .btn-outline-brand:hover,
    .btn-outline-brand:focus {
      color: var(--brand-purple);
      border-color: rgba(124, 58, 237, .35);
      background: rgba(247, 242, 255, .9);
      transform: translateY(-2px);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 76px 0;
    }

    .section-tight {
      padding: 54px 0;
    }

    .breadcrumb-wrap {
      padding-top: 28px;
    }

    .breadcrumb {
      display: inline-flex;
      padding: 9px 14px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--line-brand);
      margin: 0;
      box-shadow: 0 10px 28px rgba(124, 58, 237, .08);
    }

    .breadcrumb-item,
    .breadcrumb-item a {
      color: var(--muted);
      font-weight: 700;
      font-size: 14px;
    }

    .breadcrumb-item.active {
      color: var(--brand-purple);
    }

    .hero-entry {
      position: relative;
      padding: 42px 0 76px;
    }

    .hero-panel {
      position: relative;
      border-radius: 34px;
      padding: 44px;
      overflow: hidden;
      color: #fff;
      background:
        linear-gradient(135deg, rgba(20, 18, 31, .88), rgba(124, 58, 237, .88) 42%, rgba(236, 72, 153, .86) 70%, rgba(255, 122, 26, .86));
      box-shadow: var(--shadow-warm);
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px),
        linear-gradient(0deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
      background-size: 34px 34px;
      opacity: .35;
    }

    .hero-panel::after {
      content: "99";
      position: absolute;
      right: 34px;
      bottom: -42px;
      font-size: 180px;
      font-weight: 900;
      line-height: 1;
      color: rgba(255, 255, 255, .1);
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      color: #fff;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .28);
      backdrop-filter: blur(10px);
    }

    .eyebrow .dot,
    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 5px rgba(16, 185, 129, .18);
      flex: 0 0 auto;
    }

    h1 {
      margin: 18px 0 16px;
      font-size: clamp(34px, 5vw, 54px);
      line-height: 1.12;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 670px;
      margin: 0;
      color: rgba(255, 255, 255, .88);
      font-size: 18px;
    }

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

    .hero-badges {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 30px;
      max-width: 650px;
    }

    .data-badge {
      border-radius: 20px;
      padding: 15px 16px;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .22);
      backdrop-filter: blur(12px);
    }

    .data-badge strong {
      display: block;
      font-size: 28px;
      line-height: 1;
      font-weight: 900;
      color: #fff;
    }

    .data-badge span {
      display: block;
      margin-top: 6px;
      color: rgba(255, 255, 255, .78);
      font-size: 13px;
      font-weight: 700;
    }

    .hero-form-card {
      padding: 26px;
      border-radius: 28px;
      background: rgba(255, 255, 255, .94);
      color: var(--ink);
      box-shadow: 0 18px 50px rgba(20, 18, 31, .16);
      border: 1px solid rgba(255, 255, 255, .52);
    }

    .hero-form-card h2 {
      margin: 0 0 8px;
      font-size: 23px;
      font-weight: 900;
    }

    .hero-form-card p {
      margin: 0 0 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .input-group-custom {
      display: grid;
      gap: 12px;
    }

    .quick-check {
      margin-top: 18px;
      display: grid;
      gap: 10px;
    }

    .check-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(247, 242, 255, .95), rgba(255, 247, 242, .95));
      border: 1px solid rgba(124, 58, 237, .12);
      font-size: 14px;
      font-weight: 700;
    }

    .check-row .tag {
      color: var(--mint);
      white-space: nowrap;
    }

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

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand-purple);
      font-weight: 900;
      font-size: 14px;
      margin-bottom: 10px;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 8px;
      border-radius: 999px;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink), var(--brand-orange));
    }

    h2 {
      margin: 0 0 12px;
      font-size: clamp(26px, 3vw, 38px);
      line-height: 1.22;
      font-weight: 900;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 0;
      color: var(--muted);
      font-size: 17px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 10px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line-brand);
      box-shadow: 0 12px 34px rgba(124, 58, 237, .08);
      margin-bottom: 22px;
    }

    .filter-pill {
      border: 0;
      border-radius: 999px;
      padding: 10px 16px;
      font-weight: 800;
      color: var(--muted);
      background: transparent;
      transition: all .2s ease;
    }

    .filter-pill:hover,
    .filter-pill:focus {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .08);
      outline: none;
    }

    .filter-pill.active {
      color: #fff;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink), var(--brand-orange));
      box-shadow: 0 12px 26px rgba(236, 72, 153, .18);
    }

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

    .entry-list {
      display: grid;
      gap: 16px;
    }

    .entry-card,
    .side-card,
    .scenario-card,
    .timeline-card,
    .faq-wrap,
    .support-card {
      background: var(--card-bg);
      border: 1px solid var(--line-brand);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }

    .entry-card:hover,
    .scenario-card:hover,
    .side-card:hover,
    .support-card:hover {
      transform: translateY(-4px);
      border-color: rgba(236, 72, 153, .28);
      box-shadow: 0 24px 64px rgba(236, 72, 153, .16);
    }

    .entry-card {
      padding: 24px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 18px;
      align-items: start;
    }

    .icon-tile {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink), var(--brand-orange));
      box-shadow: 0 14px 32px rgba(236, 72, 153, .2);
      flex: 0 0 auto;
    }

    .entry-card h3,
    .scenario-card h3,
    .side-card h3,
    .timeline-card h3,
    .support-card h3 {
      margin: 0 0 8px;
      font-size: 20px;
      font-weight: 900;
      line-height: 1.35;
    }

    .entry-card p,
    .scenario-card p,
    .side-card p,
    .timeline-card p,
    .support-card p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .meta-row {
      margin-top: 14px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
    }

    .badge {
      border-radius: 999px;
      padding: 8px 11px;
      font-weight: 800;
      letter-spacing: 0;
    }

    .badge-soft {
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .1);
    }

    .badge-mint {
      color: #047857;
      background: rgba(16, 185, 129, .12);
    }

    .badge-amber {
      color: #a16207;
      background: rgba(245, 158, 11, .14);
    }

    .arrow-link {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-purple);
      background: rgba(124, 58, 237, .08);
      font-weight: 900;
      transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    .entry-card:hover .arrow-link {
      transform: translateX(4px);
      color: #fff;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink));
    }

    .side-stack {
      position: sticky;
      top: 104px;
      display: grid;
      gap: 16px;
    }

    .side-card {
      padding: 24px;
    }

    .side-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
      padding: 0;
      list-style: none;
    }

    .side-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px;
      border-radius: 16px;
      background: rgba(247, 242, 255, .8);
      color: var(--ink-soft);
      font-weight: 700;
      font-size: 14px;
    }

    .side-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--mint);
      box-shadow: 0 0 0 5px rgba(16, 185, 129, .12);
      flex: 0 0 auto;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 16px;
    }

    .metric {
      border-radius: 18px;
      padding: 16px;
      background: linear-gradient(135deg, rgba(255, 247, 242, .95), rgba(247, 242, 255, .95));
      border: 1px solid rgba(124, 58, 237, .1);
    }

    .metric strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      font-weight: 900;
      color: var(--brand-pink);
    }

    .metric span {
      display: block;
      margin-top: 6px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 800;
    }

    .scenario-band {
      background: linear-gradient(180deg, rgba(247, 242, 255, .68), rgba(255, 247, 242, .72));
    }

    .scenario-layout {
      display: grid;
      grid-template-columns: .82fr 1.18fr;
      gap: 22px;
      align-items: stretch;
    }

    .scenario-feature {
      min-height: 100%;
      padding: 30px;
      border-radius: 30px;
      color: #fff;
      background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, .18), transparent 32%),
        linear-gradient(135deg, var(--brand-purple), var(--brand-pink) 58%, var(--brand-orange));
      box-shadow: var(--shadow-warm);
    }

    .scenario-feature h2 {
      color: #fff;
    }

    .scenario-feature p {
      color: rgba(255, 255, 255, .86);
      margin-bottom: 22px;
    }

    .mini-progress {
      margin-top: 22px;
    }

    .progress {
      height: 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .22);
      overflow: hidden;
    }

    .progress-bar {
      border-radius: 999px;
      background: linear-gradient(90deg, #fff, #ffe8d9);
    }

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

    .scenario-card {
      padding: 24px;
    }

    .step-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 28px;
    }

    .step-item {
      position: relative;
      padding: 22px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line-brand);
      box-shadow: 0 12px 34px rgba(124, 58, 237, .08);
    }

    .step-num {
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink));
      margin-bottom: 14px;
    }

    .step-item h3 {
      margin: 0 0 8px;
      font-size: 18px;
      font-weight: 900;
    }

    .step-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .timeline-card {
      padding: 30px;
    }

    .timeline {
      position: relative;
      display: grid;
      gap: 18px;
      margin: 0;
      padding: 0 0 0 24px;
      list-style: none;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 7px;
      top: 8px;
      bottom: 8px;
      width: 2px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--brand-purple), var(--brand-pink), var(--brand-orange));
    }

    .timeline li {
      position: relative;
      padding: 18px 18px 18px 20px;
      border-radius: 20px;
      background: rgba(247, 242, 255, .72);
      border: 1px solid rgba(124, 58, 237, .1);
    }

    .timeline li::before {
      content: "";
      position: absolute;
      left: -22px;
      top: 25px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--brand-purple), var(--brand-pink));
      box-shadow: 0 0 0 6px rgba(236, 72, 153, .12);
    }

    .timeline strong {
      display: block;
      margin-bottom: 5px;
      font-size: 17px;
      font-weight: 900;
    }

    .timeline span {
      color: var(--muted);
      font-size: 14px;
    }

    .faq-wrap {
      padding: 12px;
    }

    .accordion {
      display: grid;
      gap: 10px;
    }

    .accordion-item {
      border: 1px solid rgba(124, 58, 237, .12);
      border-radius: 18px !important;
      overflow: hidden;
      background: #fff;
      box-shadow: none;
    }

    .accordion-button {
      padding: 18px 20px;
      color: var(--ink);
      font-weight: 900;
      border-radius: 18px !important;
      background: #fff;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: var(--brand-purple);
      background: linear-gradient(135deg, rgba(247, 242, 255, .95), rgba(255, 247, 242, .95));
      box-shadow: none;
    }

    .accordion-button:focus {
      border-color: rgba(236, 72, 153, .3);
      box-shadow: 0 0 0 4px rgba(236, 72, 153, .13);
    }

    .accordion-button::after {
      filter: hue-rotate(238deg) saturate(1.4);
    }

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

    .support-card {
      padding: 30px;
      background:
        radial-gradient(circle at 14% 20%, rgba(236, 72, 153, .14), transparent 28%),
        linear-gradient(135deg, #fff, #fff7f2 45%, #f7f2ff);
    }

    .support-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: center;
    }

    .support-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }

    .site-footer {
      position: relative;
      padding: 56px 0 28px;
      color: rgba(255, 255, 255, .86);
      background:
        radial-gradient(circle at 12% 20%, rgba(236, 72, 153, .22), transparent 28%),
        linear-gradient(135deg, #14121f, #211a2f);
      overflow: hidden;
    }

    .site-footer::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--brand-purple), var(--brand-pink), var(--brand-orange));
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.45fr .8fr .8fr;
      gap: 32px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-text {
      max-width: 420px;
      margin: 0;
      color: rgba(255, 255, 255, .68);
    }

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

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

    .footer-links a {
      color: rgba(255, 255, 255, .68);
      font-weight: 700;
    }

    .footer-links a:hover,
    .footer-links a:focus {
      color: #fff;
      transform: translateX(3px);
    }

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      color: rgba(255, 255, 255, .56);
      font-size: 14px;
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        margin-top: 12px;
        padding: 16px;
        border-radius: 0 0 24px 24px;
        background: rgba(255, 255, 255, .96);
        border: 1px solid rgba(124, 58, 237, .12);
        box-shadow: var(--shadow-soft);
      }

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

      .nav-search {
        min-width: 100%;
        margin: 10px 0;
      }

      .hero-panel {
        padding: 34px 26px;
      }

      .entry-grid,
      .scenario-layout,
      .support-grid {
        grid-template-columns: 1fr;
      }

      .side-stack {
        position: static;
      }

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

      .support-actions {
        justify-content: flex-start;
      }

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

    @media (max-width: 767.98px) {
      .section {
        padding: 56px 0;
      }

      .hero-entry {
        padding-bottom: 56px;
      }

      .hero-panel {
        border-radius: 26px;
      }

      .hero-panel::after {
        font-size: 112px;
        right: 16px;
        bottom: -22px;
      }

      .hero-badges,
      .scenario-cards,
      .step-strip,
      .metric-grid {
        grid-template-columns: 1fr;
      }

      .entry-card {
        grid-template-columns: 1fr;
      }

      .arrow-link {
        width: auto;
        height: 40px;
        border-radius: 999px;
      }

      .filter-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 12px;
      }

      .filter-pill {
        white-space: nowrap;
      }

      .footer-grid,
      .copyright {
        grid-template-columns: 1fr;
        flex-direction: column;
      }
    }

    @media (max-width: 575.98px) {
      .navbar {
        min-height: 68px;
      }

      .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
      }

      .hero-panel,
      .support-card,
      .timeline-card,
      .side-card,
      .entry-card,
      .scenario-card {
        border-radius: 22px;
        padding: 22px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-lead,
      .section-desc {
        font-size: 16px;
      }

      .hero-actions .btn,
      .support-actions .btn,
      .hero-form-card .btn {
        width: 100%;
      }
    }