/* roulang page: index */
:root {
      --color-primary: #7357ff;
      --color-primary-2: #8c5cf6;
      --color-mint: #18c7a6;
      --color-mint-2: #2ed3b7;
      --color-warm: #ffb15c;
      --color-text: #17171f;
      --color-muted: #626270;
      --color-soft: #7a7a88;
      --color-bg: #faf8f3;
      --color-bg-2: #f7f5ef;
      --color-card: #ffffff;
      --color-card-tint: #fcfbff;
      --color-border: rgba(23, 23, 31, 0.08);
      --color-border-strong: rgba(115, 87, 255, 0.22);
      --color-footer: #1b1825;
      --gradient-main: linear-gradient(135deg, #7357ff 0%, #8c5cf6 48%, #18c7a6 100%);
      --gradient-soft: radial-gradient(circle at 20% 20%, rgba(115,87,255,.16), transparent 32%), radial-gradient(circle at 80% 10%, rgba(24,199,166,.14), transparent 30%);
      --shadow-card: 0 20px 60px rgba(39, 33, 72, .08);
      --shadow-hover: 0 26px 78px rgba(39, 33, 72, .14);
      --radius-lg: 34px;
      --radius-md: 24px;
      --radius-sm: 16px;
      --radius-pill: 999px;
      --container: 1180px;
      --transition: 220ms ease-out;
      --font-main: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      color: var(--color-text);
      background: var(--color-bg);
      line-height: 1.75;
      font-size: 16px;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
      background: none;
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 3px solid rgba(115, 87, 255, .35);
      outline-offset: 4px;
      border-radius: 14px;
    }

    .site-container {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section.compact {
      padding: 74px 0;
    }

    .section-header {
      margin-bottom: 42px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: var(--radius-pill);
      background: rgba(115, 87, 255, .09);
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
      margin-bottom: 18px;
      border: 1px solid rgba(115, 87, 255, .13);
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-mint);
      box-shadow: 0 0 0 5px rgba(24, 199, 166, .12);
    }

    h1,
    h2,
    h3,
    h4,
    p {
      margin-top: 0;
    }

    h1 {
      font-size: clamp(2.3rem, 5.4vw, 4.25rem);
      line-height: 1.1;
      letter-spacing: -0.05em;
      font-weight: 800;
      margin-bottom: 22px;
    }

    h2 {
      font-size: clamp(1.95rem, 3.6vw, 2.8rem);
      line-height: 1.18;
      letter-spacing: -0.035em;
      font-weight: 780;
      margin-bottom: 16px;
    }

    h3 {
      font-size: clamp(1.18rem, 2vw, 1.55rem);
      line-height: 1.35;
      font-weight: 760;
      margin-bottom: 10px;
    }

    .lead {
      font-size: 18px;
      color: var(--color-muted);
      max-width: 720px;
      line-height: 1.85;
    }

    .text-muted {
      color: var(--color-muted);
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(250, 248, 243, .88);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(23, 23, 31, .06);
      transition: box-shadow var(--transition), background var(--transition);
    }

    .site-header.is-scrolled {
      box-shadow: 0 12px 34px rgba(39, 33, 72, .07);
      background: rgba(250, 248, 243, .96);
    }

    .nav-wrap {
      height: 82px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -0.03em;
      color: var(--color-text);
      min-width: max-content;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 15px;
      background: var(--gradient-main);
      display: inline-grid;
      place-items: center;
      box-shadow: 0 12px 32px rgba(115, 87, 255, .24);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::before {
      content: "";
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 12px solid #fff;
      transform: translateX(2px);
      z-index: 2;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 70px;
      height: 70px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .24);
      right: -42px;
      top: -34px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.18;
    }

    .brand-text strong {
      font-size: 17px;
    }

    .brand-text span {
      font-size: 12px;
      color: var(--color-muted);
      font-weight: 600;
      letter-spacing: .02em;
    }

    .nav-main {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      flex: 1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 0;
      list-style: none;
    }

    .nav-links a {
      position: relative;
      display: inline-flex;
      min-height: 42px;
      align-items: center;
      padding: 0 14px;
      border-radius: var(--radius-pill);
      color: #353541;
      font-size: 15px;
      font-weight: 650;
    }

    .nav-links a:hover {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .07);
    }

    .nav-links a.active {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .09);
    }

    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      border-radius: 99px;
      background: var(--gradient-main);
    }

    .nav-cta {
      margin-left: 10px;
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 15px;
      border: 1px solid var(--color-border);
      background: #fff;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      box-shadow: 0 10px 28px rgba(39, 33, 72, .06);
    }

    .menu-toggle span {
      width: 18px;
      height: 2px;
      border-radius: 99px;
      background: var(--color-text);
      transition: transform var(--transition), opacity var(--transition);
    }

    .menu-toggle.is-open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.is-open span:nth-child(2) {
      opacity: 0;
    }

    .menu-toggle.is-open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: var(--radius-pill);
      font-weight: 760;
      font-size: 15px;
      line-height: 1;
      border: 1px solid transparent;
      transition: transform var(--transition), box-shadow var(--transition), background-position var(--transition), border-color var(--transition), color var(--transition), background var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: var(--gradient-main);
      background-size: 160% 160%;
      box-shadow: 0 16px 36px rgba(115, 87, 255, .24);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      background-position: 80% 30%;
      box-shadow: 0 22px 48px rgba(115, 87, 255, .31);
    }

    .btn-primary:active,
    .btn-secondary:active {
      transform: translateY(0);
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 255, 255, .75);
      border-color: rgba(115, 87, 255, .18);
      box-shadow: 0 10px 28px rgba(39, 33, 72, .06);
    }

    .btn-secondary:hover {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .08);
      border-color: rgba(115, 87, 255, .28);
      transform: translateY(-2px);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--color-primary);
      font-weight: 750;
      position: relative;
    }

    .text-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 2px;
      border-radius: 99px;
      background: currentColor;
      transition: width var(--transition);
    }

    .text-link:hover::after {
      width: 100%;
    }

    .hero {
      position: relative;
      overflow: hidden;
      min-height: 690px;
      display: flex;
      align-items: center;
      padding: 72px 0 88px;
      background: var(--gradient-soft);
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: auto -10% -35% -10%;
      height: 300px;
      background: linear-gradient(180deg, rgba(250,248,243,0), var(--color-bg));
      pointer-events: none;
    }

    .hero-copy {
      position: relative;
      z-index: 2;
      padding: 26px 0;
    }

    .hero-copy .lead {
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
      margin-bottom: 24px;
    }

    .trust-line {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--color-soft);
      font-size: 14px;
    }

    .mini-pill {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-pill);
      background: rgba(255, 255, 255, .7);
    }

    .mini-pill i {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--color-mint);
      display: inline-block;
    }

    .hero-visual {
      position: relative;
      z-index: 2;
      min-height: 530px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .player-card {
      width: 100%;
      max-width: 560px;
      border-radius: 36px;
      padding: 18px;
      background: linear-gradient(180deg, rgba(255,255,255,.92), rgba(252,251,255,.78));
      border: 1px solid rgba(255,255,255,.7);
      box-shadow: var(--shadow-card);
      position: relative;
    }

    .player-screen {
      position: relative;
      overflow: hidden;
      border-radius: 28px;
      min-height: 322px;
      background:
        radial-gradient(circle at 20% 10%, rgba(255,177,92,.32), transparent 28%),
        radial-gradient(circle at 78% 18%, rgba(24,199,166,.30), transparent 30%),
        linear-gradient(135deg, #2d2842 0%, #4a3a86 48%, #7560e8 100%);
      padding: 20px;
    }

    .player-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: rgba(255,255,255,.92);
      font-size: 13px;
      font-weight: 700;
      margin-bottom: 46px;
    }

    .quality-tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 11px;
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(10px);
    }

    .quality-tag::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-mint-2);
    }

    .play-button {
      width: 86px;
      height: 86px;
      border-radius: 50%;
      margin: 0 auto;
      display: grid;
      place-items: center;
      background: rgba(255,255,255,.92);
      box-shadow: 0 22px 60px rgba(0, 0, 0, .22);
    }

    .play-button::before {
      content: "";
      width: 0;
      height: 0;
      border-top: 15px solid transparent;
      border-bottom: 15px solid transparent;
      border-left: 23px solid var(--color-primary);
      transform: translateX(3px);
    }

    .progress-area {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 22px;
      color: rgba(255,255,255,.94);
    }

    .progress-meta {
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      margin-bottom: 10px;
      font-weight: 700;
    }

    .progress-line {
      height: 8px;
      border-radius: 99px;
      background: rgba(255,255,255,.24);
      overflow: hidden;
    }

    .progress-line span {
      display: block;
      height: 100%;
      width: 68%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-mint), #fff);
    }

    .floating-metric {
      position: absolute;
      border-radius: 22px;
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(23,23,31,.08);
      box-shadow: 0 18px 46px rgba(39,33,72,.11);
      padding: 14px 16px;
      min-width: 138px;
      backdrop-filter: blur(16px);
    }

    .floating-metric strong {
      display: block;
      font-size: 21px;
      line-height: 1.1;
      margin-bottom: 3px;
    }

    .floating-metric span {
      color: var(--color-muted);
      font-size: 13px;
      font-weight: 650;
    }

    .floating-metric.metric-a {
      top: 30px;
      right: -20px;
    }

    .floating-metric.metric-b {
      left: -26px;
      bottom: 78px;
    }

    .player-info {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 12px;
      margin-top: 14px;
    }

    .info-chip {
      border-radius: 22px;
      padding: 16px;
      background: #fff;
      border: 1px solid var(--color-border);
    }

    .info-chip span {
      color: var(--color-muted);
      font-size: 13px;
      display: block;
      margin-top: 2px;
    }

    .badge-grid {
      margin-top: -34px;
      position: relative;
      z-index: 3;
    }

    .metric-card {
      height: 100%;
      padding: 22px;
      border-radius: 26px;
      background: rgba(255, 255, 255, .86);
      border: 1px solid rgba(23,23,31,.08);
      box-shadow: 0 16px 48px rgba(39,33,72,.07);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .metric-card:hover {
      transform: translateY(-5px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-hover);
    }

    .metric-card strong {
      font-size: 26px;
      letter-spacing: -0.03em;
      display: block;
      margin-bottom: 4px;
    }

    .metric-card span {
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 650;
    }

    .category-strip {
      margin-top: 34px;
      padding: 22px;
      border-radius: 28px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .category-strip p {
      margin: 0;
      color: var(--color-muted);
    }

    .card {
      background: var(--color-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      box-shadow: 0 14px 42px rgba(39, 33, 72, .055);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
      height: 100%;
    }

    .card:hover {
      transform: translateY(-5px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-hover);
    }

    .feature-layout {
      align-items: stretch;
    }

    .feature-hero-card {
      min-height: 520px;
      padding: 34px;
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 90% 10%, rgba(24,199,166,.16), transparent 28%),
        linear-gradient(160deg, #fff 0%, #fcfbff 100%);
      position: relative;
      overflow: hidden;
    }

    .feature-hero-card::after {
      content: "";
      position: absolute;
      right: -70px;
      bottom: -82px;
      width: 240px;
      height: 240px;
      border-radius: 50%;
      background: rgba(115,87,255,.08);
    }

    .line-player {
      margin-top: 36px;
      border-radius: 28px;
      border: 1px solid rgba(115,87,255,.18);
      padding: 18px;
      background: rgba(115,87,255,.045);
      position: relative;
      z-index: 1;
    }

    .line-player .bar {
      height: 12px;
      border-radius: 99px;
      background: rgba(23,23,31,.08);
      margin: 14px 0;
      overflow: hidden;
    }

    .line-player .bar span {
      display: block;
      width: 76%;
      height: 100%;
      border-radius: inherit;
      background: var(--gradient-main);
    }

    .feature-points {
      display: grid;
      gap: 12px;
      margin-top: 26px;
      position: relative;
      z-index: 1;
    }

    .feature-point {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-muted);
      font-weight: 650;
    }

    .feature-point i {
      width: 24px;
      height: 24px;
      display: inline-grid;
      place-items: center;
      border-radius: 50%;
      background: rgba(24,199,166,.12);
      color: var(--color-mint);
      font-style: normal;
      font-weight: 900;
    }

    .feature-mini-card {
      padding: 24px;
      min-height: 230px;
      position: relative;
      overflow: hidden;
    }

    .feature-mini-card::before {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 4px;
      background: var(--gradient-main);
      opacity: .78;
    }

    .icon-dot {
      width: 44px;
      height: 44px;
      border-radius: 16px;
      background: rgba(115,87,255,.1);
      display: grid;
      place-items: center;
      color: var(--color-primary);
      font-weight: 900;
      margin-bottom: 18px;
    }

    .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-top: 18px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 12px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      font-weight: 700;
      color: var(--color-muted);
      background: rgba(23,23,31,.04);
      border: 1px solid rgba(23,23,31,.06);
    }

    .tag.is-mint {
      color: #087b68;
      background: rgba(24,199,166,.12);
      border-color: rgba(24,199,166,.18);
    }

    .scenario-section {
      background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(247,245,239,.82));
    }

    .scenario-focus {
      border-radius: var(--radius-lg);
      padding: 34px;
      min-height: 430px;
      color: #fff;
      background:
        radial-gradient(circle at 18% 15%, rgba(255,255,255,.22), transparent 26%),
        linear-gradient(135deg, #2b2540 0%, #4b3d8d 48%, #18a98e 100%);
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .scenario-focus::after {
      content: "";
      position: absolute;
      width: 290px;
      height: 290px;
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 50%;
      right: -90px;
      bottom: -110px;
    }

    .scenario-focus p {
      color: rgba(255,255,255,.78);
      max-width: 580px;
    }

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

    .scenario-item {
      padding: 22px;
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 12px 36px rgba(39, 33, 72, .052);
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      align-items: start;
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }

    .scenario-item:hover {
      transform: translateX(4px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-hover);
    }

    .scenario-icon {
      width: 54px;
      height: 54px;
      border-radius: 18px;
      background: rgba(255,177,92,.16);
      display: grid;
      place-items: center;
      color: #b76510;
      font-weight: 900;
    }

    .quote-card {
      padding: 36px;
      border-radius: var(--radius-lg);
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-card);
    }

    .quote-text {
      font-size: 24px;
      line-height: 1.62;
      letter-spacing: -0.02em;
      color: #262633;
      margin-bottom: 28px;
    }

    .quote-person {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .avatar {
      width: 54px;
      height: 54px;
      border-radius: 50%;
      background: var(--gradient-main);
      box-shadow: 0 12px 28px rgba(115,87,255,.22);
    }

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

    .result-card {
      padding: 24px;
      border-radius: 26px;
      background: var(--color-card-tint);
      border: 1px solid var(--color-border);
    }

    .result-card strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      color: var(--color-primary);
      margin-bottom: 8px;
    }

    .pricing-wrap {
      align-items: stretch;
    }

    .pricing-card {
      padding: 28px;
      border-radius: 30px;
      background: #fff;
      border: 1px solid var(--color-border);
      box-shadow: 0 14px 42px rgba(39,33,72,.055);
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .pricing-card:hover {
      transform: translateY(-5px);
      border-color: var(--color-border-strong);
      box-shadow: var(--shadow-hover);
    }

    .pricing-card.recommended {
      background:
        radial-gradient(circle at 90% 8%, rgba(24,199,166,.16), transparent 28%),
        linear-gradient(180deg, #fff, #fbfaff);
      border-color: rgba(115,87,255,.26);
      transform: translateY(-12px);
    }

    .pricing-card.recommended:hover {
      transform: translateY(-16px);
    }

    .plan-label {
      width: fit-content;
      padding: 6px 12px;
      border-radius: var(--radius-pill);
      background: rgba(255,177,92,.16);
      color: #a25b0d;
      font-size: 13px;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .plan-price {
      font-size: 30px;
      font-weight: 850;
      letter-spacing: -0.04em;
      margin: 12px 0 18px;
    }

    .plan-list {
      list-style: none;
      padding: 0;
      margin: 0 0 26px;
      display: grid;
      gap: 12px;
      color: var(--color-muted);
    }

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

    .plan-list li::before {
      content: "✓";
      color: var(--color-mint);
      font-weight: 900;
    }

    .pricing-card .btn {
      margin-top: auto;
    }

    .faq-wrap {
      max-width: 940px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

    .faq-item {
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--color-border);
      overflow: hidden;
      box-shadow: 0 12px 32px rgba(39, 33, 72, .045);
    }

    .faq-question {
      width: 100%;
      min-height: 66px;
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      color: var(--color-text);
      font-weight: 780;
      text-align: left;
    }

    .faq-question:hover {
      background: rgba(115,87,255,.045);
    }

    .faq-question .plus {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(115,87,255,.09);
      color: var(--color-primary);
      display: inline-grid;
      place-items: center;
      flex: 0 0 auto;
      transition: transform var(--transition);
    }

    .faq-item.is-open .faq-question .plus {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 22px;
      color: var(--color-muted);
      border-left: 4px solid var(--color-primary);
      margin-left: 24px;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .cta-card {
      position: relative;
      overflow: hidden;
      border-radius: 38px;
      padding: 46px;
      color: #fff;
      background:
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.22), transparent 28%),
        radial-gradient(circle at 86% 12%, rgba(255,177,92,.18), transparent 26%),
        var(--gradient-main);
      box-shadow: 0 28px 90px rgba(115,87,255,.23);
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -90px;
      bottom: -110px;
      width: 270px;
      height: 270px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,.24);
    }

    .cta-card p {
      color: rgba(255,255,255,.82);
      max-width: 650px;
      margin-bottom: 0;
    }

    .cta-form {
      position: relative;
      z-index: 1;
      padding: 22px;
      border-radius: 28px;
      background: rgba(255,255,255,.14);
      border: 1px solid rgba(255,255,255,.22);
      backdrop-filter: blur(12px);
    }

    .form-field {
      margin-bottom: 14px;
    }

    .form-field label {
      display: block;
      color: rgba(255,255,255,.9);
      font-size: 13px;
      font-weight: 750;
      margin-bottom: 6px;
    }

    .form-field input,
    .form-field textarea {
      width: 100%;
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 16px;
      min-height: 46px;
      padding: 12px 14px;
      color: #fff;
      background: rgba(255,255,255,.12);
      box-shadow: none;
      margin: 0;
    }

    .form-field textarea {
      min-height: 88px;
      resize: vertical;
    }

    .form-field input::placeholder,
    .form-field textarea::placeholder {
      color: rgba(255,255,255,.58);
    }

    .form-field input:focus,
    .form-field textarea:focus {
      border-color: rgba(255,255,255,.68);
      background: rgba(255,255,255,.16);
      box-shadow: 0 0 0 3px rgba(255,255,255,.16);
    }

    .btn-white {
      background: #fff;
      color: var(--color-primary);
      width: 100%;
      box-shadow: 0 14px 34px rgba(0,0,0,.12);
    }

    .btn-white:hover {
      color: var(--color-primary);
      transform: translateY(-2px);
      box-shadow: 0 18px 44px rgba(0,0,0,.17);
    }

    .site-footer {
      padding: 70px 0 28px;
      background: var(--color-footer);
      color: rgba(255,255,255,.78);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .8fr .9fr;
      gap: 44px;
      padding-bottom: 42px;
      border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: #fff;
      font-weight: 850;
      margin-bottom: 18px;
    }

    .footer-brand .brand-mark {
      box-shadow: none;
    }

    .footer-title {
      color: #fff;
      font-weight: 800;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255,255,255,.72);
      font-weight: 620;
    }

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

    .footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .footer-tags span {
      padding: 7px 11px;
      border-radius: var(--radius-pill);
      background: rgba(255,255,255,.08);
      color: rgba(255,255,255,.76);
      font-size: 13px;
      font-weight: 650;
    }

    .footer-bottom {
      padding-top: 22px;
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(255,255,255,.58);
    }

    @media (max-width: 1023px) {
      .nav-wrap {
        height: 72px;
      }

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

      .nav-main {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 78px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        background: rgba(255,255,255,.96);
        border: 1px solid var(--color-border);
        border-radius: 26px;
        box-shadow: var(--shadow-card);
      }

      .nav-main.is-open {
        display: flex;
      }

      .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
      }

      .nav-links a {
        justify-content: space-between;
        min-height: 48px;
      }

      .nav-cta {
        margin-left: 0;
        margin-top: 10px;
      }

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

      .hero {
        min-height: auto;
        padding: 56px 0 74px;
      }

      .hero-visual {
        min-height: 470px;
        margin-top: 12px;
      }

      .floating-metric.metric-a {
        right: 8px;
        top: 18px;
      }

      .floating-metric.metric-b {
        left: 8px;
        bottom: 76px;
      }

      .section {
        padding: 74px 0;
      }

      .pricing-card.recommended {
        transform: none;
      }

      .pricing-card.recommended:hover {
        transform: translateY(-5px);
      }

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

      .footer-grid > div:first-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 639px) {
      .site-container {
        width: min(calc(100% - 28px), var(--container));
      }

      .brand-text strong {
        font-size: 15px;
      }

      .brand-text span {
        display: none;
      }

      .hero-actions,
      .category-strip,
      .footer-bottom {
        flex-direction: column;
        align-items: stretch;
      }

      .hero-actions .btn,
      .category-strip .btn {
        width: 100%;
      }

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

      .player-card {
        border-radius: 28px;
        padding: 12px;
      }

      .player-screen {
        min-height: 285px;
        border-radius: 22px;
      }

      .floating-metric {
        position: static;
        margin-top: 12px;
      }

      .player-info {
        grid-template-columns: 1fr;
      }

      .metric-card,
      .feature-mini-card,
      .feature-hero-card,
      .scenario-focus,
      .quote-card,
      .pricing-card,
      .cta-card {
        border-radius: 24px;
      }

      .feature-hero-card,
      .scenario-focus,
      .quote-card,
      .cta-card {
        padding: 24px;
      }

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

      .quote-text {
        font-size: 20px;
      }

      .cta-form {
        margin-top: 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .section {
        padding: 62px 0;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
      }
    }

/* roulang page: category1 */
:root {
      --color-primary: #7357ff;
      --color-primary-2: #8c5cf6;
      --color-secondary: #18c7a6;
      --color-secondary-2: #2ed3b7;
      --color-accent: #ffb15c;
      --color-text: #17171f;
      --color-muted: #626270;
      --color-soft: #7a7a88;
      --color-bg: #faf8f3;
      --color-bg-2: #f7f5ef;
      --color-card: #ffffff;
      --color-card-tint: #fcfbff;
      --color-border: rgba(23, 23, 31, 0.08);
      --color-border-strong: rgba(115, 87, 255, 0.22);
      --color-footer: #1b1825;
      --gradient-main: linear-gradient(135deg, #7357ff 0%, #8c5cf6 48%, #18c7a6 100%);
      --gradient-soft: radial-gradient(circle at 20% 20%, rgba(115, 87, 255, .16), transparent 32%), radial-gradient(circle at 80% 10%, rgba(24, 199, 166, .14), transparent 30%);
      --shadow-soft: 0 20px 60px rgba(39, 33, 72, .08);
      --shadow-hover: 0 26px 70px rgba(39, 33, 72, .13);
      --radius-xl: 34px;
      --radius-lg: 26px;
      --radius-md: 20px;
      --radius-sm: 14px;
      --container: 1180px;
      --transition: 220ms ease-out;
      --font-base: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-base);
      color: var(--color-text);
      background:
        radial-gradient(circle at 12% 8%, rgba(115, 87, 255, .12), transparent 28%),
        radial-gradient(circle at 88% 2%, rgba(24, 199, 166, .11), transparent 30%),
        var(--color-bg);
      line-height: 1.75;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition), background-color var(--transition), border-color var(--transition), transform var(--transition);
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    ::selection {
      background: rgba(115, 87, 255, .18);
      color: var(--color-text);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid rgba(115, 87, 255, .68);
      outline-offset: 3px;
    }

    .site-container {
      width: min(calc(100% - 40px), var(--container));
      margin: 0 auto;
    }

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section.compact {
      padding: 72px 0;
    }

    .section-header {
      max-width: 760px;
      margin-bottom: 38px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 6px 13px;
      border-radius: 999px;
      background: rgba(115, 87, 255, .08);
      color: var(--color-primary);
      border: 1px solid rgba(115, 87, 255, .14);
      font-size: 14px;
      font-weight: 700;
      letter-spacing: .02em;
      margin-bottom: 16px;
    }

    .section-kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-secondary);
      box-shadow: 0 0 0 5px rgba(24, 199, 166, .12);
    }

    h1,
    h2,
    h3,
    p {
      margin-top: 0;
    }

    h1 {
      font-size: clamp(36px, 5.2vw, 64px);
      line-height: 1.12;
      letter-spacing: -0.045em;
      font-weight: 800;
      margin-bottom: 22px;
    }

    h2 {
      font-size: clamp(28px, 3.6vw, 44px);
      line-height: 1.2;
      letter-spacing: -0.035em;
      font-weight: 800;
      margin-bottom: 16px;
    }

    h3 {
      font-size: 22px;
      line-height: 1.32;
      font-weight: 760;
      margin-bottom: 10px;
    }

    p {
      color: var(--color-muted);
      font-size: 16.5px;
    }

    .lead {
      font-size: 18px;
      line-height: 1.8;
      color: var(--color-muted);
      max-width: 720px;
      margin-bottom: 0;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(250, 248, 243, .86);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(23, 23, 31, .06);
      transition: box-shadow var(--transition), background-color var(--transition);
    }

    .site-header.is-scrolled {
      background: rgba(250, 248, 243, .94);
      box-shadow: 0 10px 34px rgba(39, 33, 72, .07);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: var(--color-text);
    }

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

    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 12px;
      background: var(--gradient-main);
      position: relative;
      box-shadow: 0 12px 30px rgba(115, 87, 255, .25);
      flex: 0 0 auto;
    }

    .brand-mark::before {
      content: "";
      position: absolute;
      left: 13px;
      top: 9px;
      width: 0;
      height: 0;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
      border-left: 11px solid #fff;
      filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .12));
    }

    .nav-main {
      display: flex;
      align-items: center;
      gap: 26px;
      margin-left: auto;
    }

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

    .nav-links a {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 9px 14px;
      border-radius: 999px;
      color: var(--color-muted);
      font-size: 15px;
      font-weight: 650;
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 18px;
      right: 18px;
      bottom: 6px;
      height: 2px;
      border-radius: 999px;
      background: var(--gradient-main);
      transform: scaleX(0);
      transform-origin: left center;
      transition: transform var(--transition);
    }

    .nav-links a:hover {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .06);
    }

    .nav-links a:hover::after,
    .nav-links a.active::after {
      transform: scaleX(1);
    }

    .nav-links a.active {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .08);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, .72);
      border-radius: 999px;
      color: var(--color-text);
      align-items: center;
      justify-content: center;
      transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
    }

    .mobile-toggle:hover {
      background: #fff;
      border-color: var(--color-border-strong);
      transform: translateY(-1px);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      position: relative;
      transition: transform var(--transition), opacity var(--transition);
    }

    .mobile-toggle span::before,
    .mobile-toggle span::after {
      content: "";
      position: absolute;
      left: 0;
    }

    .mobile-toggle span::before {
      top: -6px;
    }

    .mobile-toggle span::after {
      top: 6px;
    }

    .mobile-toggle.is-open span {
      transform: rotate(45deg);
    }

    .mobile-toggle.is-open span::before {
      transform: translateY(6px) rotate(90deg);
    }

    .mobile-toggle.is-open span::after {
      opacity: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 760;
      border: 1px solid transparent;
      line-height: 1.1;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-position var(--transition), background-color var(--transition), color var(--transition);
    }

    .btn-primary {
      color: #fff;
      background: var(--gradient-main);
      background-size: 160% 160%;
      box-shadow: 0 14px 34px rgba(115, 87, 255, .22);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #fff;
      transform: translateY(-2px);
      background-position: 100% 50%;
      box-shadow: 0 18px 44px rgba(115, 87, 255, .3);
    }

    .btn-secondary {
      color: var(--color-primary);
      background: rgba(255, 255, 255, .78);
      border-color: rgba(115, 87, 255, .18);
    }

    .btn-secondary:hover {
      color: var(--color-primary);
      background: rgba(115, 87, 255, .08);
      transform: translateY(-2px);
      border-color: rgba(115, 87, 255, .28);
    }

    .hero-category {
      padding: 76px 0 72px;
      overflow: hidden;
      border-bottom: 1px solid rgba(23, 23, 31, .06);
      background: var(--gradient-soft);
    }

    .breadcrumb-line {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 9px;
      color: var(--color-soft);
      font-size: 14px;
      font-weight: 650;
      margin-bottom: 18px;
    }

    .breadcrumb-line a {
      color: var(--color-primary);
    }

    .breadcrumb-line span {
      color: var(--color-soft);
    }

    .hero-copy {
      padding: 24px 0;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      margin-top: 30px;
    }

    .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--color-border);
      color: var(--color-muted);
      font-size: 13.5px;
      font-weight: 700;
    }

    .tag::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--color-secondary);
    }

    .summary-card {
      position: relative;
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-soft);
      padding: 28px;
      overflow: hidden;
    }

    .summary-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 18% 12%, rgba(115, 87, 255, .14), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(24, 199, 166, .12), transparent 30%);
      pointer-events: none;
    }

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

    .mini-screen {
      border-radius: 26px;
      background: linear-gradient(145deg, #211d31, #352d54);
      min-height: 218px;
      padding: 18px;
      color: #fff;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1), 0 22px 52px rgba(36, 30, 62, .22);
      margin-bottom: 18px;
      position: relative;
      overflow: hidden;
    }

    .mini-screen::before {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      right: -60px;
      top: -70px;
      background: rgba(24, 199, 166, .28);
      filter: blur(8px);
    }

    .screen-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .quality-pill {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 5px 11px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .13);
      border: 1px solid rgba(255, 255, 255, .18);
      font-size: 13px;
      font-weight: 800;
    }

    .play-center {
      width: 68px;
      height: 68px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .16);
      border: 1px solid rgba(255, 255, 255, .22);
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 54px auto 42px;
      position: relative;
      z-index: 1;
    }

    .play-center::before {
      content: "";
      width: 0;
      height: 0;
      margin-left: 5px;
      border-top: 12px solid transparent;
      border-bottom: 12px solid transparent;
      border-left: 18px solid #fff;
    }

    .progress-line {
      position: relative;
      z-index: 1;
      height: 8px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .18);
      overflow: hidden;
    }

    .progress-line::before {
      content: "";
      display: block;
      width: 68%;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    }

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

    .metric-box {
      border-radius: 20px;
      border: 1px solid var(--color-border);
      background: rgba(255, 255, 255, .72);
      padding: 16px;
    }

    .metric-box strong {
      display: block;
      font-size: 21px;
      line-height: 1.1;
      color: var(--color-text);
      margin-bottom: 6px;
    }

    .metric-box span {
      color: var(--color-muted);
      font-size: 13.5px;
      font-weight: 650;
    }

    .tag-filter-wrap {
      margin-top: -32px;
      position: relative;
      z-index: 3;
    }

    .tag-filter {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 18px;
      border: 1px solid var(--color-border);
      border-radius: 28px;
      background: rgba(255, 255, 255, .86);
      box-shadow: var(--shadow-soft);
    }

    .filter-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 9px 15px;
      border-radius: 999px;
      border: 1px solid rgba(23, 23, 31, .08);
      background: #fff;
      color: var(--color-muted);
      font-weight: 750;
      font-size: 14px;
      transition: transform var(--transition), border-color var(--transition), background-color var(--transition), color var(--transition), box-shadow var(--transition);
    }

    .filter-chip::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(115, 87, 255, .35);
    }

    .filter-chip:hover,
    .filter-chip.is-active {
      transform: translateY(-2px);
      color: var(--color-primary);
      border-color: rgba(115, 87, 255, .24);
      background: rgba(115, 87, 255, .07);
      box-shadow: 0 12px 28px rgba(39, 33, 72, .07);
    }

    .scenario-list {
      display: grid;
      gap: 20px;
    }

    .wide-card {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.48fr) minmax(260px, .82fr);
      gap: 24px;
      align-items: stretch;
      padding: 26px;
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .wide-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--color-border-strong);
    }

    .wide-card.featured {
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(252, 251, 255, .9)),
        radial-gradient(circle at 12% 10%, rgba(115, 87, 255, .12), transparent 30%);
    }

    .card-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 15px;
      background: rgba(115, 87, 255, .09);
      color: var(--color-primary);
      font-weight: 850;
      margin-bottom: 16px;
    }

    .wide-card p {
      max-width: 680px;
      margin-bottom: 18px;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
      margin-bottom: 18px;
    }

    .card-tags span {
      display: inline-flex;
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(24, 199, 166, .1);
      color: #127d6b;
      font-size: 13px;
      font-weight: 760;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary);
      font-weight: 800;
      position: relative;
    }

    .text-link::after {
      content: "→";
      transition: transform var(--transition);
    }

    .text-link:hover::after {
      transform: translateX(4px);
    }

    .visual-summary {
      border-radius: 26px;
      background: linear-gradient(145deg, rgba(115, 87, 255, .1), rgba(24, 199, 166, .09));
      border: 1px solid rgba(115, 87, 255, .14);
      padding: 18px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .visual-head {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      align-items: center;
    }

    .visual-title {
      font-size: 13px;
      color: var(--color-muted);
      font-weight: 760;
    }

    .visual-badge {
      padding: 5px 10px;
      border-radius: 999px;
      color: #fff;
      background: var(--gradient-main);
      font-size: 12px;
      font-weight: 850;
    }

    .bars {
      display: grid;
      gap: 10px;
      margin: 22px 0;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: rgba(23, 23, 31, .08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    }

    .visual-points {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }

    .visual-point {
      min-height: 58px;
      border-radius: 17px;
      background: rgba(255, 255, 255, .76);
      border: 1px solid rgba(23, 23, 31, .06);
      padding: 10px;
    }

    .visual-point strong {
      display: block;
      line-height: 1.1;
      font-size: 15px;
      margin-bottom: 4px;
    }

    .visual-point span {
      display: block;
      color: var(--color-soft);
      font-size: 12.5px;
      font-weight: 650;
    }

    .recommend-panel {
      border-radius: var(--radius-xl);
      padding: 34px;
      background:
        radial-gradient(circle at 85% 15%, rgba(255, 177, 92, .18), transparent 28%),
        var(--gradient-main);
      color: #fff;
      box-shadow: 0 24px 70px rgba(115, 87, 255, .22);
      overflow: hidden;
      position: relative;
    }

    .recommend-panel::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      right: -90px;
      bottom: -120px;
      background: rgba(255, 255, 255, .13);
    }

    .recommend-panel h2,
    .recommend-panel p {
      color: #fff;
      position: relative;
      z-index: 1;
    }

    .recommend-panel p {
      opacity: .88;
      max-width: 680px;
    }

    .recommend-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 26px;
    }

    .recommend-item {
      border-radius: 22px;
      padding: 17px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .18);
      min-height: 120px;
    }

    .recommend-item strong {
      display: block;
      color: #fff;
      font-size: 17px;
      margin-bottom: 6px;
    }

    .recommend-item span {
      color: rgba(255, 255, 255, .8);
      font-size: 13.5px;
      line-height: 1.6;
      display: block;
    }

    .process-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      align-items: start;
    }

    .process-card,
    .advice-card,
    .faq-card,
    .contact-card {
      border-radius: var(--radius-xl);
      background: rgba(255, 255, 255, .86);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      padding: 28px;
    }

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

    .process-steps li {
      display: grid;
      grid-template-columns: 42px 1fr;
      gap: 14px;
      align-items: start;
      padding: 16px;
      border-radius: 22px;
      background: rgba(247, 245, 239, .78);
      border: 1px solid rgba(23, 23, 31, .06);
    }

    .step-num {
      width: 42px;
      height: 42px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: var(--gradient-main);
      font-weight: 850;
    }

    .process-steps strong {
      display: block;
      margin-bottom: 4px;
      font-size: 17px;
    }

    .process-steps span {
      color: var(--color-muted);
      font-size: 14.5px;
    }

    .advice-card {
      background:
        radial-gradient(circle at 12% 12%, rgba(24, 199, 166, .12), transparent 34%),
        rgba(255, 255, 255, .9);
    }

    .advice-list {
      margin: 22px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 13px;
    }

    .advice-list li {
      display: flex;
      gap: 11px;
      align-items: flex-start;
      color: var(--color-muted);
    }

    .advice-list li::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      margin-top: 10px;
      background: var(--color-secondary);
      box-shadow: 0 0 0 5px rgba(24, 199, 166, .1);
      flex: 0 0 auto;
    }

    .accordion {
      margin: 0;
      background: transparent;
    }

    .accordion-item {
      border: 1px solid var(--color-border);
      border-radius: 22px;
      background: rgba(255, 255, 255, .88);
      margin-bottom: 13px;
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(39, 33, 72, .04);
    }

    .accordion-title {
      border: 0;
      color: var(--color-text);
      font-weight: 780;
      font-size: 17px;
      padding: 20px 52px 20px 22px;
      line-height: 1.45;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(115, 87, 255, .05);
      color: var(--color-primary);
    }

    .accordion-title::before {
      color: var(--color-primary);
      right: 22px;
      margin-top: -8px;
      font-size: 22px;
    }

    .accordion-content {
      border: 0;
      padding: 0 22px 22px;
      color: var(--color-muted);
      background: rgba(255, 255, 255, .88);
      line-height: 1.75;
    }

    .contact-card {
      background:
        radial-gradient(circle at 22% 0%, rgba(115, 87, 255, .13), transparent 32%),
        radial-gradient(circle at 92% 20%, rgba(24, 199, 166, .12), transparent 30%),
        rgba(255, 255, 255, .9);
    }

    .contact-form {
      margin-top: 24px;
    }

    .form-label {
      display: block;
      color: var(--color-text);
      font-size: 14px;
      font-weight: 760;
      margin-bottom: 8px;
    }

    .contact-form input,
    .contact-form textarea {
      width: 100%;
      border-radius: 18px;
      border: 1px solid rgba(23, 23, 31, .1);
      background: rgba(255, 255, 255, .82);
      box-shadow: none;
      min-height: 50px;
      padding: 12px 15px;
      color: var(--color-text);
      transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
    }

    .contact-form textarea {
      min-height: 116px;
      resize: vertical;
    }

    .contact-form input:focus,
    .contact-form textarea:focus {
      border-color: rgba(115, 87, 255, .42);
      box-shadow: 0 0 0 4px rgba(115, 87, 255, .1);
      background: #fff;
    }

    .form-hint {
      color: var(--color-soft);
      font-size: 13.5px;
      margin-top: 10px;
      margin-bottom: 0;
    }

    .site-footer {
      background: var(--color-footer);
      color: rgba(255, 255, 255, .76);
      padding: 64px 0 28px;
      margin-top: 36px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .7fr 1fr;
      gap: 44px;
      padding-bottom: 34px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand {
      color: #fff;
      font-size: 18px;
      margin-bottom: 16px;
    }

    .site-footer p {
      color: rgba(255, 255, 255, .66);
      max-width: 460px;
      margin-bottom: 0;
    }

    .footer-title {
      color: #fff;
      font-weight: 800;
      margin-bottom: 14px;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, .68);
      font-weight: 650;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 3px;
    }

    .footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .footer-tags span {
      padding: 7px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .08);
      color: rgba(255, 255, 255, .72);
      border: 1px solid rgba(255, 255, 255, .08);
      font-size: 13px;
      font-weight: 650;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 24px;
      color: rgba(255, 255, 255, .52);
      font-size: 13.5px;
    }

    @media (max-width: 1023px) {
      .site-container {
        width: min(calc(100% - 32px), var(--container));
      }

      .header-inner {
        min-height: 70px;
      }

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

      .nav-main {
        position: absolute;
        left: 16px;
        right: 16px;
        top: calc(100% + 8px);
        display: grid;
        gap: 14px;
        padding: 16px;
        border-radius: 24px;
        border: 1px solid var(--color-border);
        background: rgba(250, 248, 243, .96);
        box-shadow: var(--shadow-soft);
        transform: translateY(-8px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
      }

      .nav-main.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
      }

      .nav-links {
        display: grid;
        gap: 4px;
      }

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

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

      .hero-category {
        padding: 54px 0 62px;
      }

      .summary-card {
        margin-top: 24px;
      }

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

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

      .process-wrap {
        grid-template-columns: 1fr;
      }

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

    @media (max-width: 639px) {
      .site-container {
        width: min(calc(100% - 24px), var(--container));
      }

      .section {
        padding: 64px 0;
      }

      .section.compact {
        padding: 54px 0;
      }

      .brand {
        font-size: 16px;
        max-width: calc(100vw - 92px);
        overflow: hidden;
        text-overflow: ellipsis;
      }

      h1 {
        font-size: 38px;
        letter-spacing: -0.04em;
      }

      h2 {
        font-size: 30px;
      }

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

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

      .summary-metrics,
      .visual-points,
      .recommend-grid {
        grid-template-columns: 1fr;
      }

      .tag-filter {
        padding: 14px;
        gap: 9px;
      }

      .filter-chip {
        width: 100%;
        justify-content: center;
      }

      .wide-card,
      .summary-card,
      .recommend-panel,
      .process-card,
      .advice-card,
      .faq-card,
      .contact-card {
        border-radius: 24px;
        padding: 22px;
      }

      .mini-screen {
        min-height: 190px;
      }

      .play-center {
        margin: 40px auto 34px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

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

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
      }
    }