/* roulang page: index */
:root {
      --bg: #f7f7f4;
      --surface: #ffffff;
      --surface-soft: #fbfbf7;
      --text: #171717;
      --muted: #71717a;
      --line: rgba(23, 23, 23, .09);
      --line-strong: rgba(23, 23, 23, .14);
      --primary: #00d084;
      --primary-2: #19e6a1;
      --primary-soft: #e8fff5;
      --coral: #ff4d6d;
      --coral-soft: #fff0f3;
      --yellow: #ffd43b;
      --dark: #171717;
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 30px;
      --shadow: 0 14px 40px rgba(23, 23, 23, .08);
      --shadow-hover: 0 18px 54px rgba(23, 23, 23, .13);
      --container: 1220px;
    }

    * {
      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;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      letter-spacing: 0;
      text-rendering: optimizeLegibility;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      border: 0;
      cursor: pointer;
    }

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

    :focus-visible {
      outline: 3px solid rgba(0, 208, 132, .35);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 64px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 247, 244, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 8px 26px rgba(23, 23, 23, .04);
    }

    .brand-row {
      display: grid;
      grid-template-columns: auto minmax(240px, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 14px 0 10px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 850;
      color: var(--text);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--yellow));
      display: grid;
      place-items: center;
      box-shadow: 0 10px 26px rgba(0, 208, 132, .28);
    }

    .brand-mark span {
      width: 15px;
      height: 15px;
      border-radius: 50%;
      background: var(--dark);
      box-shadow: 12px 0 0 rgba(23, 23, 23, .62);
    }

    .brand-text {
      font-size: 18px;
      line-height: 1.15;
    }

    .search {
      display: flex;
      align-items: center;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 6px;
      box-shadow: 0 10px 26px rgba(23, 23, 23, .04);
    }

    .search input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      padding: 8px 14px;
      color: var(--text);
      min-width: 0;
    }

    .search input::placeholder {
      color: #8f8f96;
    }

    .search button {
      min-width: 74px;
      border-radius: 999px;
      padding: 8px 14px;
      background: var(--dark);
      color: #fff;
      font-weight: 750;
      transition: transform .2s ease, background .2s ease;
    }

    .search button:hover {
      transform: translateY(-1px);
      background: #2a2a2a;
    }

    .age-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 13px;
      border-radius: 999px;
      background: var(--coral-soft);
      color: #9f1831;
      border: 1px solid rgba(255, 77, 109, .24);
      font-size: 14px;
      font-weight: 750;
      white-space: nowrap;
    }

    .channel-row {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      padding: 0 0 12px;
      scrollbar-width: none;
    }

    .channel-row::-webkit-scrollbar {
      display: none;
    }

    .nav-link,
    .trend-link {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 38px;
      padding: 8px 15px;
      border-radius: 999px;
      background: #ecece7;
      color: var(--text);
      font-size: 15px;
      font-weight: 760;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .nav-link:hover,
    .trend-link:hover {
      transform: translateY(-1px);
      background: #fff;
      box-shadow: 0 10px 24px rgba(23, 23, 23, .08);
    }

    .nav-link.active {
      background: var(--primary);
      color: var(--dark);
      box-shadow: 0 10px 24px rgba(0, 208, 132, .25);
    }

    .trend-link {
      background: var(--dark);
      color: #fff;
      position: relative;
    }

    .trend-link::after {
      content: "新";
      display: inline-grid;
      place-items: center;
      width: 20px;
      height: 20px;
      border-radius: 999px;
      background: var(--yellow);
      color: var(--dark);
      font-size: 12px;
      font-weight: 850;
    }

    main {
      overflow: hidden;
    }

    section {
      padding: 82px 0;
    }

    .hero {
      padding: 46px 0 38px;
    }

    .hero-shell {
      position: relative;
      border-radius: 34px;
      background:
        linear-gradient(120deg, rgba(0, 208, 132, .18), transparent 34%),
        linear-gradient(300deg, rgba(255, 77, 109, .16), transparent 34%),
        var(--surface);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      overflow: hidden;
      clip-path: polygon(0 0, 100% 0, 100% 91%, 92% 100%, 0 100%);
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
      gap: 28px;
      align-items: stretch;
      padding: 40px;
    }

    .hero-copy {
      padding: 10px 0 8px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: 999px;
      background: var(--primary-soft);
      color: #065f3d;
      border: 1px solid rgba(0, 208, 132, .28);
      font-size: 14px;
      font-weight: 800;
    }

    .eyebrow .dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 6px rgba(0, 208, 132, .16);
    }

    h1 {
      margin: 18px 0 18px;
      max-width: 680px;
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.1;
      font-weight: 880;
      letter-spacing: 0;
    }

    .hero-sub {
      max-width: 620px;
      margin: 0 0 24px;
      font-size: 18px;
      color: #3f3f46;
      line-height: 1.8;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 18px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 820;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      user-select: none;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--dark);
      box-shadow: 0 12px 28px rgba(0, 208, 132, .26);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      background: var(--primary-2);
      box-shadow: 0 16px 34px rgba(0, 208, 132, .34);
    }

    .btn-secondary {
      background: #fff;
      color: var(--text);
      border: 1px solid var(--line-strong);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 208, 132, .7);
      background: var(--primary-soft);
    }

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

    .stat-chip {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--line);
      color: #3f3f46;
      font-size: 14px;
      font-weight: 720;
    }

    .stat-chip strong {
      color: var(--text);
    }

    .hero-panel {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      align-content: start;
    }

    .stage-card {
      border-radius: 24px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(23, 23, 23, .06);
      padding: 18px;
      min-height: 150px;
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .stage-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .stage-card.wide {
      grid-column: span 2;
    }

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

    .stage-title {
      font-size: 16px;
      font-weight: 850;
      line-height: 1.35;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 5px 9px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
      line-height: 1;
      white-space: nowrap;
    }

    .badge-green {
      background: var(--primary);
      color: var(--dark);
    }

    .badge-coral {
      background: var(--coral);
      color: #fff;
    }

    .badge-yellow {
      background: var(--yellow);
      color: var(--dark);
    }

    .badge-muted {
      background: #efefea;
      color: #52525b;
    }

    .slot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
    }

    .slot {
      padding: 10px 8px;
      border-radius: 14px;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      text-align: center;
      font-size: 13px;
      font-weight: 760;
    }

    .slot.active {
      background: var(--dark);
      color: #fff;
      border-color: var(--dark);
    }

    .quality-list {
      display: grid;
      gap: 9px;
    }

    .quality-item {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      padding: 9px 10px;
      border-radius: 14px;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      font-size: 14px;
      font-weight: 720;
    }

    .progress {
      height: 9px;
      border-radius: 999px;
      background: #eeeeea;
      overflow: hidden;
      margin: 12px 0 10px;
    }

    .progress span {
      display: block;
      height: 100%;
      width: 78%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--coral));
    }

    .notice-bar {
      margin-top: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 13px 16px;
      border-radius: 18px;
      background: rgba(255, 77, 109, .08);
      border: 1px solid rgba(255, 77, 109, .18);
      color: #7c1d31;
      font-size: 14px;
      font-weight: 720;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 28px;
      margin-bottom: 30px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: #05764b;
      font-size: 14px;
      font-weight: 850;
      margin-bottom: 8px;
    }

    .section-kicker::before {
      content: "";
      width: 22px;
      height: 8px;
      border-radius: 999px;
      background: var(--primary);
    }

    h2 {
      margin: 0;
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.2;
      font-weight: 850;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 620px;
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 16px;
    }

    .entry-card {
      position: relative;
      overflow: hidden;
      min-height: 210px;
      padding: 22px;
      border-radius: var(--radius);
      background: var(--surface);
      border: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(23, 23, 23, .05);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 208, 132, .5);
    }

    .entry-card.featured {
      grid-row: span 2;
      background: var(--dark);
      color: #fff;
    }

    .entry-card.featured .entry-text,
    .entry-card.featured .meta-line {
      color: rgba(255, 255, 255, .72);
    }

    .entry-card.featured::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -60px;
      bottom: -80px;
      border-radius: 50%;
      background: var(--primary);
      opacity: .9;
    }

    .entry-top {
      position: relative;
      z-index: 1;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
    }

    .entry-card h3 {
      position: relative;
      z-index: 1;
      margin: 0 0 10px;
      font-size: 22px;
      line-height: 1.25;
      font-weight: 850;
    }

    .entry-text {
      position: relative;
      z-index: 1;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.75;
    }

    .meta-line {
      position: relative;
      z-index: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
      color: #52525b;
      font-size: 13px;
      font-weight: 750;
    }

    .steps-band {
      background: #fff;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      align-items: start;
    }

    .step-card {
      position: relative;
      padding: 24px;
      border-radius: var(--radius);
      background: var(--surface-soft);
      border: 1px solid var(--line);
      box-shadow: 0 12px 30px rgba(23, 23, 23, .04);
    }

    .step-card:nth-child(2) {
      transform: translateY(-12px);
      border-color: rgba(0, 208, 132, .42);
    }

    .step-num {
      display: grid;
      place-items: center;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--yellow);
      color: var(--dark);
      font-weight: 900;
      margin-bottom: 16px;
    }

    .step-card h3 {
      margin: 0 0 8px;
      font-size: 21px;
      line-height: 1.3;
      font-weight: 850;
    }

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

    .milestone-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: stretch;
    }

    .milestone-board {
      border-radius: var(--radius-lg);
      padding: 26px;
      background: var(--dark);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .metric-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .metric {
      padding: 18px;
      border-radius: 20px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .metric strong {
      display: block;
      font-size: 30px;
      line-height: 1;
      color: var(--primary);
      margin-bottom: 9px;
    }

    .metric span {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

    .timeline {
      display: grid;
      gap: 14px;
    }

    .timeline-item {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 16px;
      padding: 18px;
      border-radius: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 10px 26px rgba(23, 23, 23, .04);
    }

    .timeline-time {
      font-weight: 900;
      color: #05764b;
    }

    .timeline-item h3 {
      margin: 0 0 5px;
      font-size: 18px;
      font-weight: 850;
    }

    .timeline-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
    }

    .news-band {
      background: var(--surface);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 22px;
      align-items: start;
    }

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

    .news-item {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 20px;
      background: var(--surface-soft);
      border: 1px solid var(--line);
      transition: transform .2s ease, border-color .2s ease, background .2s ease;
    }

    .news-item:hover {
      transform: translateX(4px);
      border-color: rgba(0, 208, 132, .5);
      background: var(--primary-soft);
    }

    .news-date {
      min-width: 74px;
      color: var(--muted);
      font-size: 13px;
      font-weight: 760;
    }

    .news-item a {
      font-size: 17px;
      font-weight: 820;
      line-height: 1.45;
    }

    .news-tag {
      font-size: 12px;
      font-weight: 850;
      padding: 5px 9px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--line);
      white-space: nowrap;
    }

    .recommend {
      border-radius: var(--radius);
      background: var(--dark);
      color: #fff;
      padding: 24px;
      position: sticky;
      top: 128px;
    }

    .recommend h3 {
      margin: 0 0 10px;
      font-size: 22px;
      font-weight: 850;
    }

    .recommend p {
      margin: 0 0 18px;
      color: rgba(255, 255, 255, .72);
      font-size: 15px;
    }

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

    .mini-list a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 13px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      font-weight: 760;
      transition: background .2s ease, transform .2s ease;
    }

    .mini-list a:hover {
      background: rgba(0, 208, 132, .22);
      transform: translateY(-2px);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr 1fr;
      gap: 16px;
    }

    .proof-card {
      min-height: 190px;
      border-radius: var(--radius);
      padding: 22px;
      background: #fff;
      border: 1px solid var(--line);
      box-shadow: 0 10px 28px rgba(23, 23, 23, .05);
    }

    .proof-card.wide {
      grid-column: span 2;
      background: var(--primary-soft);
      border-color: rgba(0, 208, 132, .28);
    }

    .proof-card.tall {
      grid-row: span 2;
      background: #fff7d7;
      border-color: rgba(255, 212, 59, .44);
    }

    .proof-card h3 {
      margin: 12px 0 8px;
      font-size: 21px;
      font-weight: 850;
      line-height: 1.3;
    }

    .proof-card p {
      margin: 0;
      color: #5b5b63;
      font-size: 15px;
      line-height: 1.75;
    }

    .compare-line {
      display: grid;
      grid-template-columns: 34% 66%;
      height: 12px;
      border-radius: 999px;
      overflow: hidden;
      margin: 18px 0 6px;
      background: #e9e9e3;
    }

    .compare-line span:first-child {
      background: #d8d8d0;
    }

    .compare-line span:last-child {
      background: var(--primary);
    }

    .device-stage {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: center;
      border-radius: var(--radius-lg);
      padding: 30px;
      background:
        linear-gradient(135deg, rgba(0, 208, 132, .18), rgba(255, 212, 59, .18)),
        #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .mock-window {
      border-radius: 26px;
      background: var(--dark);
      padding: 16px;
      box-shadow: 0 18px 42px rgba(23, 23, 23, .18);
    }

    .mock-top {
      display: flex;
      gap: 7px;
      margin-bottom: 14px;
    }

    .mock-top span {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--primary);
    }

    .mock-top span:nth-child(2) {
      background: var(--yellow);
    }

    .mock-top span:nth-child(3) {
      background: var(--coral);
    }

    .mock-content {
      display: grid;
      gap: 10px;
    }

    .mock-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      padding: 12px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .08);
      color: #fff;
      font-size: 14px;
      font-weight: 760;
    }

    .mock-row span:last-child {
      color: var(--primary);
    }

    .faq-list {
      display: grid;
      gap: 12px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: 0 8px 24px rgba(23, 23, 23, .04);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      background: transparent;
      color: var(--text);
      text-align: left;
      font-weight: 850;
      font-size: 17px;
    }

    .faq-question span:first-child {
      display: inline-flex;
      gap: 12px;
      align-items: center;
    }

    .faq-index {
      display: inline-grid;
      place-items: center;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary-soft);
      color: #05764b;
      font-size: 13px;
      font-weight: 900;
    }

    .faq-icon {
      flex: 0 0 auto;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: #efefea;
      display: grid;
      place-items: center;
      transition: transform .2s ease, background .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 60px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
      background: linear-gradient(90deg, rgba(0, 208, 132, .08), transparent);
    }

    .faq-item.open {
      border-color: rgba(0, 208, 132, .42);
    }

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

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
    }

    .cta-section {
      padding-bottom: 96px;
    }

    .cta-box {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 28px;
      align-items: center;
      padding: 34px;
      border-radius: 32px;
      background: var(--dark);
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-box::after {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: var(--primary);
      opacity: .9;
    }

    .cta-box h2,
    .cta-box p,
    .cta-box .cta-actions {
      position: relative;
      z-index: 1;
    }

    .cta-box p {
      max-width: 650px;
      margin: 10px 0 0;
      color: rgba(255, 255, 255, .72);
      font-size: 16px;
    }

    .site-footer {
      background: var(--dark);
      color: #fff;
      padding: 46px 0 26px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      gap: 26px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .footer-text {
      max-width: 520px;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
      line-height: 1.8;
    }

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

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

    .footer-links a {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
      transition: color .2s ease, transform .2s ease;
    }

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

    .copyright {
      padding-top: 20px;
      color: rgba(255, 255, 255, .56);
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

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

      .search {
        grid-column: 1 / -1;
        order: 3;
      }

      .hero-inner,
      .milestone-wrap,
      .news-layout,
      .device-stage {
        grid-template-columns: 1fr;
      }

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

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

      .entry-card.featured,
      .proof-card.wide,
      .proof-card.tall {
        grid-column: auto;
        grid-row: auto;
      }

      .recommend {
        position: static;
      }

      .cta-box {
        grid-template-columns: 1fr;
      }
    }

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

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

      .brand-row {
        gap: 12px;
      }

      .brand-text {
        font-size: 16px;
        max-width: 190px;
        white-space: normal;
      }

      .age-pill {
        font-size: 12px;
        padding: 8px 10px;
      }

      .hero-shell {
        clip-path: none;
        border-radius: 26px;
      }

      .hero-inner {
        padding: 24px;
      }

      .hero-panel,
      .steps-grid,
      .matrix-grid,
      .proof-grid,
      .footer-grid,
      .metric-row {
        grid-template-columns: 1fr;
      }

      .stage-card.wide {
        grid-column: auto;
      }

      .section-head {
        display: block;
      }

      .step-card:nth-child(2) {
        transform: none;
      }

      .timeline-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .news-item {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .news-tag {
        justify-self: start;
      }

      .faq-answer {
        padding: 0 18px 18px 18px;
      }
    }

    @media (max-width: 520px) {
      .hero-actions,
      .cta-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .btn {
        width: 100%;
      }

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

      .search button {
        min-width: 58px;
      }

      .cta-box {
        padding: 26px;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #f7f7f4;
      --surface: #ffffff;
      --surface-soft: #f1f1ec;
      --text: #171717;
      --muted: #71717a;
      --line: rgba(23, 23, 23, .09);
      --line-strong: rgba(23, 23, 23, .16);
      --primary: #00d084;
      --primary-strong: #05b974;
      --primary-soft: #dcfff1;
      --accent: #ff4d6d;
      --accent-soft: #fff0f3;
      --yellow: #ffd43b;
      --dark: #171717;
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 24px;
      --shadow: 0 14px 40px rgba(23, 23, 23, .08);
      --shadow-hover: 0 20px 56px rgba(23, 23, 23, .12);
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 15% 8%, rgba(0, 208, 132, .12), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(255, 77, 109, .10), transparent 26%),
        var(--bg);
      line-height: 1.75;
      letter-spacing: 0;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

    :focus-visible {
      outline: 3px solid rgba(0, 208, 132, .42);
      outline-offset: 3px;
    }

    .container {
      width: min(100% - 64px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(247, 247, 244, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 10px 30px rgba(23, 23, 23, .04);
    }

    .brand-row {
      display: grid;
      grid-template-columns: auto minmax(260px, 1fr) auto;
      align-items: center;
      gap: 18px;
      padding: 16px 0 12px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 850;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: var(--dark);
      display: grid;
      place-items: center;
      box-shadow: inset 0 -4px 0 rgba(255, 255, 255, .12);
    }

    .brand-mark span {
      width: 18px;
      height: 18px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary), var(--yellow));
      position: relative;
    }

    .brand-mark span::after {
      content: "";
      position: absolute;
      right: -5px;
      bottom: -5px;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--accent);
    }

    .brand-text {
      font-size: 18px;
      color: var(--text);
      white-space: nowrap;
    }

    .search {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 6px;
      box-shadow: 0 8px 24px rgba(23, 23, 23, .04);
    }

    .search input {
      flex: 1;
      min-width: 120px;
      border: 0;
      background: transparent;
      padding: 8px 12px;
      color: var(--text);
      outline: none;
    }

    .search input::placeholder {
      color: #8c8c93;
    }

    .search button,
    .btn-primary {
      border-radius: 999px;
      background: var(--primary);
      color: var(--dark);
      font-weight: 800;
      padding: 10px 18px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow: 0 10px 22px rgba(0, 208, 132, .25);
    }

    .search button:hover,
    .btn-primary:hover {
      transform: translateY(-2px);
      background: #19e6a1;
      box-shadow: 0 16px 30px rgba(0, 208, 132, .34);
    }

    .age-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      border-radius: 999px;
      padding: 9px 14px;
      background: var(--accent-soft);
      color: #a01833;
      font-size: 14px;
      font-weight: 800;
      border: 1px solid rgba(255, 77, 109, .22);
    }

    .channel-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 0 14px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .channel-row::-webkit-scrollbar {
      display: none;
    }

    .nav-link,
    .trend-link {
      flex: 0 0 auto;
      border-radius: 999px;
      padding: 9px 15px;
      font-size: 14px;
      font-weight: 800;
      background: var(--surface-soft);
      border: 1px solid transparent;
      color: #333;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
    }

    .nav-link:hover,
    .trend-link:hover {
      transform: translateY(-1px);
      border-color: rgba(0, 208, 132, .35);
      background: var(--primary-soft);
    }

    .nav-link.active {
      background: var(--primary);
      color: var(--dark);
      box-shadow: 0 10px 22px rgba(0, 208, 132, .2);
    }

    .trend-link {
      background: var(--accent);
      color: #fff;
      position: relative;
    }

    .trend-link::before {
      content: "";
      width: 7px;
      height: 7px;
      display: inline-block;
      border-radius: 50%;
      background: var(--yellow);
      margin-right: 7px;
      vertical-align: 1px;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 78px 0;
    }

    .section-tight {
      padding: 56px 0;
    }

    .category-hero {
      padding: 54px 0 34px;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(320px, .8fr);
      grid-template-areas:
        "main side"
        "bar side";
      gap: 18px;
      align-items: stretch;
    }

    .hero-main,
    .hero-side,
    .hero-bar,
    .content-card,
    .step-card,
    .faq-item,
    .entry-card,
    .signal-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
    }

    .hero-main {
      grid-area: main;
      padding: 34px;
      min-height: 360px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .hero-main::after {
      content: "";
      position: absolute;
      right: 24px;
      top: 24px;
      width: 96px;
      height: 96px;
      border-radius: 28px;
      background: linear-gradient(135deg, var(--primary), var(--yellow));
      opacity: .18;
      transform: rotate(8deg);
    }

    .hero-side {
      grid-area: side;
      padding: 24px;
      background: #171717;
      color: #fff;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hero-bar {
      grid-area: bar;
      padding: 18px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 14px;
      align-items: center;
      background: linear-gradient(90deg, var(--primary-soft), #fff7d7);
    }

    .eyebrow,
    .tag,
    .status-dot,
    .mini-badge {
      display: inline-flex;
      align-items: center;
      width: fit-content;
      border-radius: 999px;
      font-weight: 850;
    }

    .eyebrow {
      gap: 8px;
      padding: 8px 12px;
      background: var(--primary-soft);
      color: #046b46;
      font-size: 14px;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

    h1 {
      margin: 0;
      max-width: 800px;
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 900;
    }

    h2 {
      margin: 0;
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.2;
      letter-spacing: 0;
      font-weight: 850;
    }

    h3 {
      margin: 0;
      font-size: 21px;
      line-height: 1.35;
      font-weight: 850;
    }

    p {
      margin: 0;
    }

    .lead {
      max-width: 720px;
      margin-top: 18px;
      color: #4d4d53;
      font-size: 17px;
      line-height: 1.85;
    }

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

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      padding: 10px 18px;
      background: var(--surface);
      color: var(--text);
      border: 1px solid var(--line-strong);
      font-weight: 800;
      transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      border-color: rgba(0, 208, 132, .55);
      background: var(--primary-soft);
      box-shadow: 0 12px 24px rgba(23, 23, 23, .08);
    }

    .tag-row,
    .filter-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 22px;
    }

    .tag {
      padding: 7px 11px;
      font-size: 13px;
      color: #303035;
      background: #f0f0eb;
      border: 1px solid var(--line);
    }

    .tag.hot {
      background: var(--accent-soft);
      color: #a01833;
      border-color: rgba(255, 77, 109, .22);
    }

    .side-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-weight: 900;
      font-size: 18px;
    }

    .mini-badge {
      padding: 5px 9px;
      background: var(--yellow);
      color: var(--dark);
      font-size: 12px;
    }

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

    .side-item {
      padding: 14px;
      border-radius: 18px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
    }

    .side-item strong {
      display: block;
      margin-bottom: 4px;
      font-size: 15px;
    }

    .side-item span {
      color: rgba(255, 255, 255, .72);
      font-size: 14px;
    }

    .hero-bar strong {
      font-size: 16px;
    }

    .hero-bar span {
      display: block;
      color: var(--muted);
      font-size: 14px;
    }

    .layout-guide {
      display: grid;
      grid-template-columns: 280px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .toc {
      position: sticky;
      top: 126px;
      display: grid;
      gap: 10px;
      padding: 16px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
    }

    .toc-title {
      font-weight: 900;
      margin-bottom: 4px;
    }

    .toc a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 12px;
      border-radius: 999px;
      color: #34343a;
      background: var(--surface-soft);
      font-size: 14px;
      font-weight: 800;
      transition: background .2s ease, transform .2s ease;
    }

    .toc a:hover {
      background: var(--primary-soft);
      transform: translateX(2px);
    }

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

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

    .content-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 208, 132, .36);
    }

    .card-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 12px;
    }

    .num {
      width: 34px;
      height: 34px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: var(--yellow);
      color: var(--dark);
      font-weight: 900;
    }

    .content-card p,
    .step-card p,
    .entry-card p,
    .signal-card p {
      color: #55555c;
      line-height: 1.82;
    }

    .notice-strip {
      margin-top: 20px;
      padding: 15px 16px;
      border-radius: 18px;
      background: var(--accent-soft);
      color: #7c1328;
      border: 1px solid rgba(255, 77, 109, .22);
      font-size: 14px;
      font-weight: 700;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 28px;
    }

    .section-head p {
      max-width: 620px;
      color: var(--muted);
      font-size: 16px;
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }

    .step-card {
      padding: 22px;
      min-height: 230px;
      position: relative;
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease;
    }

    .step-card:nth-child(2) {
      transform: translateY(-10px);
      border-color: rgba(0, 208, 132, .35);
    }

    .step-card:nth-child(3) {
      background: var(--primary-soft);
    }

    .step-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .step-card:nth-child(2):hover {
      transform: translateY(-14px);
    }

    .step-number {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: var(--dark);
      color: var(--primary);
      font-weight: 900;
      margin-bottom: 18px;
    }

    .status-dot {
      gap: 7px;
      margin-top: 16px;
      padding: 6px 10px;
      background: #f0f0eb;
      color: #4b4b52;
      font-size: 13px;
    }

    .status-dot::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
    }

    .signal-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 18px;
    }

    .signal-card {
      padding: 24px;
      min-height: 210px;
      overflow: hidden;
    }

    .signal-card.wide {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      align-items: center;
      background: #171717;
      color: #fff;
    }

    .signal-card.wide p {
      color: rgba(255, 255, 255, .74);
    }

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

    .meter-row {
      display: grid;
      gap: 7px;
    }

    .meter-label {
      display: flex;
      justify-content: space-between;
      color: rgba(255, 255, 255, .78);
      font-size: 14px;
      font-weight: 750;
    }

    .meter-line {
      height: 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .12);
      overflow: hidden;
    }

    .meter-line span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--yellow));
    }

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

    .entry-card {
      padding: 24px;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255, 77, 109, .32);
    }

    .entry-card.feature {
      grid-column: span 2;
      background: linear-gradient(135deg, #fff, var(--primary-soft));
      border: 2px solid rgba(0, 208, 132, .34);
    }

    .entry-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 14px;
    }

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

    .faq-item {
      overflow: hidden;
      box-shadow: none;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 22px;
      background: var(--surface);
      color: var(--text);
      font-weight: 900;
      text-align: left;
    }

    .faq-question span:last-child {
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--surface-soft);
      transition: transform .2s ease, background .2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      color: #55555c;
      background: linear-gradient(90deg, var(--primary-soft), #fff);
      border-left: 4px solid var(--primary);
    }

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

    .faq-item.open .faq-question span:last-child {
      transform: rotate(45deg);
      background: var(--primary);
    }

    .cta-band {
      border-radius: 30px;
      padding: 30px;
      background:
        linear-gradient(135deg, rgba(0, 208, 132, .22), rgba(255, 212, 59, .24)),
        var(--surface);
      border: 1px solid rgba(0, 208, 132, .28);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
    }

    .cta-band p {
      color: #4b4b52;
      max-width: 680px;
      margin-top: 8px;
    }

    .site-footer {
      background: var(--dark);
      color: #f7f7f4;
      padding: 54px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 34px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
      color: #fff;
    }

    .footer-brand::after {
      content: "";
      display: block;
      width: 58px;
      height: 5px;
      border-radius: 999px;
      margin-top: 10px;
      background: var(--primary);
    }

    .footer-text {
      color: rgba(255, 255, 255, .72);
      max-width: 520px;
      line-height: 1.85;
    }

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

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

    .footer-links a {
      color: rgba(255, 255, 255, .7);
      transition: color .2s ease, transform .2s ease;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(100% - 48px, var(--container));
      }

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

      .search {
        grid-column: 1 / -1;
        order: 3;
      }

      .hero-bento,
      .layout-guide,
      .signal-grid,
      .cta-band {
        grid-template-columns: 1fr;
        grid-template-areas: none;
      }

      .hero-main,
      .hero-side,
      .hero-bar {
        grid-area: auto;
      }

      .toc {
        position: static;
        display: flex;
        overflow-x: auto;
      }

      .toc-title {
        flex: 0 0 auto;
        align-self: center;
      }

      .toc a {
        flex: 0 0 auto;
      }

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

      .entry-card.feature {
        grid-column: span 2;
      }

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

    @media (max-width: 640px) {
      .container {
        width: min(100% - 32px, var(--container));
      }

      .site-header {
        position: sticky;
      }

      .brand-row {
        gap: 12px;
        padding-top: 12px;
      }

      .brand-text {
        font-size: 16px;
        max-width: 190px;
        white-space: normal;
        line-height: 1.25;
      }

      .age-pill {
        font-size: 12px;
        padding: 8px 10px;
      }

      .search {
        border-radius: 18px;
      }

      .search button {
        padding: 9px 14px;
      }

      .channel-row {
        padding-bottom: 12px;
      }

      .section {
        padding: 54px 0;
      }

      .section-tight {
        padding: 42px 0;
      }

      .category-hero {
        padding: 36px 0 28px;
      }

      .hero-main,
      .hero-side,
      .hero-bar,
      .content-card,
      .step-card,
      .entry-card,
      .signal-card,
      .cta-band {
        border-radius: 20px;
        padding: 20px;
      }

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

      .section-head {
        display: grid;
        gap: 10px;
        margin-bottom: 20px;
      }

      .steps-grid,
      .device-grid,
      .entry-grid,
      .signal-card.wide {
        grid-template-columns: 1fr;
      }

      .step-card:nth-child(2),
      .step-card:nth-child(2):hover,
      .step-card:hover {
        transform: none;
      }

      .entry-card.feature {
        grid-column: auto;
      }

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

      .btn-primary,
      .btn-secondary {
        width: 100%;
        text-align: center;
        justify-content: center;
      }

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

      .copyright {
        align-items: flex-start;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #fafaf7;
      --bg-soft: #f7f7f4;
      --panel: #ffffff;
      --text: #171717;
      --muted: #71717a;
      --line: rgba(23, 23, 23, .09);
      --line-strong: rgba(23, 23, 23, .14);
      --primary: #00d084;
      --primary-2: #19e6a1;
      --primary-soft: rgba(0, 208, 132, .14);
      --accent: #ff4d6d;
      --accent-soft: rgba(255, 77, 109, .12);
      --yellow: #ffd43b;
      --dark: #171717;
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 30px;
      --shadow: 0 14px 40px rgba(23, 23, 23, .08);
      --shadow-hover: 0 20px 56px rgba(23, 23, 23, .13);
      --container: 1200px;
      --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at 8% 2%, rgba(0, 208, 132, .13), transparent 26%),
        radial-gradient(circle at 92% 8%, rgba(255, 77, 109, .11), transparent 24%),
        var(--bg);
      line-height: 1.75;
      letter-spacing: 0;
    }

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

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input {
      outline: none;
    }

    :focus-visible {
      outline: 3px solid rgba(0, 208, 132, .35);
      outline-offset: 3px;
    }

    .container {
      width: min(var(--container), calc(100% - 64px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(250, 250, 247, .92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(23, 23, 23, .04);
    }

    .brand-row {
      min-height: 76px;
      display: grid;
      grid-template-columns: auto minmax(260px, 1fr) auto;
      gap: 18px;
      align-items: center;
      padding: 12px 0 10px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 850;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      background: var(--dark);
      display: grid;
      place-items: center;
      box-shadow: 0 12px 28px rgba(23, 23, 23, .18);
      flex: 0 0 auto;
    }

    .brand-mark span {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--yellow) 52%, var(--accent));
      display: block;
    }

    .brand-text {
      font-size: 19px;
      line-height: 1.25;
      white-space: nowrap;
    }

    .search {
      display: flex;
      align-items: center;
      padding: 5px;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 999px;
      box-shadow: 0 10px 28px rgba(23, 23, 23, .05);
    }

    .search input {
      width: 100%;
      border: 0;
      background: transparent;
      padding: 10px 14px;
      color: var(--text);
      min-width: 0;
    }

    .search input::placeholder {
      color: #8d8d93;
    }

    .search button {
      flex: 0 0 auto;
      border-radius: 999px;
      background: var(--primary);
      color: var(--dark);
      font-weight: 800;
      padding: 10px 18px;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }

    .search button:hover {
      transform: translateY(-1px);
      background: var(--primary-2);
      box-shadow: 0 10px 24px rgba(0, 208, 132, .28);
    }

    .age-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      white-space: nowrap;
      border-radius: 999px;
      padding: 10px 14px;
      background: var(--accent-soft);
      color: #8f1730;
      font-size: 14px;
      font-weight: 750;
      border: 1px solid rgba(255, 77, 109, .24);
    }

    .channel-row {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 0 0 14px;
    }

    .channel-row::-webkit-scrollbar {
      display: none;
    }

    .nav-link,
    .trend-link {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 38px;
      padding: 9px 15px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 780;
      border: 1px solid transparent;
      transition: background .2s ease, border-color .2s ease, transform .2s ease, color .2s ease;
    }

    .nav-link {
      background: #eeeeea;
      color: #2b2b2b;
    }

    .nav-link:hover {
      background: #fff;
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .nav-link.active {
      background: var(--primary);
      color: var(--dark);
      box-shadow: 0 10px 22px rgba(0, 208, 132, .22);
    }

    .trend-link {
      margin-left: auto;
      background: var(--accent);
      color: #fff;
      position: relative;
      box-shadow: 0 10px 24px rgba(255, 77, 109, .22);
    }

    .trend-link::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--yellow);
      margin-right: 8px;
      box-shadow: 0 0 0 4px rgba(255, 212, 59, .22);
    }

    .trend-link:hover {
      transform: translateY(-1px);
      background: #ff385d;
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 78px 0;
    }

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

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      padding: 8px 12px;
      background: var(--primary-soft);
      color: #075b3c;
      font-weight: 820;
      font-size: 14px;
      border: 1px solid rgba(0, 208, 132, .24);
    }

    .kicker::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--primary);
    }

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

    h1 {
      max-width: 820px;
      margin-bottom: 18px;
      font-size: clamp(32px, 5vw, 54px);
      line-height: 1.12;
      letter-spacing: 0;
      font-weight: 900;
    }

    h2 {
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.2;
      letter-spacing: 0;
      font-weight: 850;
      margin-bottom: 14px;
    }

    h3 {
      font-size: 21px;
      line-height: 1.32;
      letter-spacing: 0;
      font-weight: 820;
      margin-bottom: 10px;
    }

    .lead {
      max-width: 760px;
      color: #4d4d55;
      font-size: 18px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    .hero {
      padding: 38px 0 46px;
    }

    .creator-head {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(0, 208, 132, .22), rgba(255, 212, 59, .18) 42%, rgba(255, 77, 109, .16)),
        #fff;
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
    }

    .creator-cover {
      min-height: 154px;
      padding: 26px;
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 18px;
      background:
        linear-gradient(90deg, rgba(23,23,23,.88), rgba(23,23,23,.62)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.12) 0 2px, transparent 2px 18px);
      color: #fff;
    }

    .cover-title {
      max-width: 650px;
    }

    .cover-title strong {
      display: block;
      font-size: 24px;
      line-height: 1.3;
      margin-bottom: 8px;
    }

    .cover-title span {
      color: rgba(255,255,255,.75);
      font-size: 15px;
    }

    .update-badge {
      flex: 0 0 auto;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      border-radius: 999px;
      background: var(--yellow);
      color: var(--dark);
      font-weight: 850;
      font-size: 14px;
    }

    .profile-row {
      padding: 0 28px 30px;
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 20px;
      align-items: end;
      margin-top: -42px;
    }

    .avatar {
      width: 92px;
      height: 92px;
      border-radius: 28px;
      background: #fff;
      border: 5px solid #fff;
      box-shadow: 0 14px 36px rgba(23, 23, 23, .15);
      display: grid;
      place-items: center;
      font-size: 32px;
      font-weight: 950;
      color: var(--dark);
      position: relative;
      overflow: hidden;
    }

    .avatar::after {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 20px;
      background: linear-gradient(135deg, var(--primary), var(--yellow) 48%, var(--accent));
      z-index: 0;
    }

    .avatar span {
      position: relative;
      z-index: 1;
      color: #111;
    }

    .profile-main {
      min-width: 0;
      padding-top: 52px;
    }

    .profile-name {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
      margin-bottom: 8px;
    }

    .profile-name span:first-child {
      font-size: 20px;
      font-weight: 900;
    }

    .verify {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 5px 9px;
      background: var(--primary-soft);
      color: #075b3c;
      font-size: 12px;
      font-weight: 820;
    }

    .profile-desc {
      max-width: 720px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.7;
      margin: 0;
    }

    .follow-actions {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 12px 20px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 15px;
      border: 1px solid transparent;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--dark);
      box-shadow: 0 12px 24px rgba(0, 208, 132, .24);
    }

    .btn-primary:hover {
      background: var(--primary-2);
      transform: translateY(-2px);
      box-shadow: 0 18px 34px rgba(0, 208, 132, .31);
    }

    .btn-secondary {
      background: #fff;
      color: var(--dark);
      border-color: var(--line-strong);
    }

    .btn-secondary:hover {
      border-color: var(--primary);
      background: #f2fff9;
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(23, 23, 23, .08);
    }

    .hero-body {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(330px, .95fr);
      gap: 28px;
      align-items: stretch;
      margin-top: 26px;
    }

    .hero-copy {
      padding: 12px 0;
    }

    .hero-copy .lead {
      max-width: 650px;
    }

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

    .trust-strip {
      margin-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .mini-tag,
    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 780;
      line-height: 1;
    }

    .mini-tag {
      padding: 8px 11px;
      background: #fff;
      border: 1px solid var(--line);
      color: #3f3f46;
    }

    .mini-tag::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
    }

    .hero-panel {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: 22px;
    }

    .panel-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      margin-bottom: 16px;
    }

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

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: #0b6d49;
      font-size: 13px;
      font-weight: 820;
    }

    .status-dot::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 5px rgba(0, 208, 132, .15);
    }

    .filter-stack {
      display: grid;
      gap: 12px;
    }

    .filter-line {
      display: grid;
      grid-template-columns: 90px 1fr;
      gap: 10px;
      align-items: start;
      padding: 12px;
      border-radius: 18px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
    }

    .filter-line b {
      font-size: 14px;
      line-height: 1.4;
    }

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

    .chip {
      padding: 8px 10px;
      background: #fff;
      border: 1px solid var(--line);
      color: #3f3f46;
    }

    .chip.active {
      background: var(--primary);
      color: var(--dark);
      border-color: var(--primary);
    }

    .chip.warn {
      background: var(--accent-soft);
      color: #8f1730;
      border-color: rgba(255,77,109,.22);
    }

    .quick-filter {
      background: #fff;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      padding: 16px 0;
    }

    .filter-bar {
      display: flex;
      align-items: center;
      gap: 10px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .filter-bar::-webkit-scrollbar {
      display: none;
    }

    .filter-label {
      flex: 0 0 auto;
      font-weight: 900;
      margin-right: 2px;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 22px;
      margin-bottom: 28px;
    }

    .section-head p {
      max-width: 620px;
      color: var(--muted);
      margin-bottom: 0;
    }

    .entry-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr 1fr;
      grid-auto-rows: minmax(220px, auto);
      gap: 18px;
      align-items: stretch;
    }

    .entry-card {
      position: relative;
      min-height: 220px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 10px 30px rgba(23, 23, 23, .05);
      padding: 22px;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(0, 208, 132, .42);
    }

    .entry-card.feature {
      grid-row: span 2;
      background:
        linear-gradient(180deg, rgba(0, 208, 132, .18), rgba(255,255,255,.72) 46%),
        #fff;
      border: 2px solid rgba(0, 208, 132, .52);
    }

    .entry-card.coral {
      background:
        linear-gradient(180deg, rgba(255, 77, 109, .15), rgba(255,255,255,.74) 52%),
        #fff;
    }

    .entry-card.yellow {
      background:
        linear-gradient(180deg, rgba(255, 212, 59, .25), rgba(255,255,255,.75) 54%),
        #fff;
    }

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

    .badge {
      padding: 8px 10px;
      background: var(--dark);
      color: #fff;
    }

    .badge.green {
      background: var(--primary);
      color: var(--dark);
    }

    .badge.coral {
      background: var(--accent);
      color: #fff;
    }

    .badge.yellow {
      background: var(--yellow);
      color: var(--dark);
    }

    .entry-card h3 {
      margin-bottom: 12px;
    }

    .entry-card p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 18px;
    }

    .meta-list {
      display: grid;
      gap: 9px;
      margin: auto 0 18px;
      padding: 0;
      list-style: none;
    }

    .meta-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 9px 0;
      border-bottom: 1px dashed var(--line);
      color: #4b4b52;
      font-size: 14px;
    }

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

    .meta-list span {
      color: var(--muted);
    }

    .card-link {
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 10px 15px;
      border-radius: 999px;
      background: var(--dark);
      color: #fff;
      font-size: 14px;
      font-weight: 850;
      transition: transform .2s ease, background .2s ease;
    }

    .card-link:hover {
      transform: translateY(-1px);
      background: #000;
    }

    .compare-wrap {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow);
    }

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

    .score-cards {
      display: grid;
      gap: 12px;
    }

    .score-card {
      display: grid;
      grid-template-columns: 92px 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 16px;
      border-radius: 20px;
      background: var(--bg-soft);
      border: 1px solid var(--line);
    }

    .score-num {
      font-size: 30px;
      line-height: 1;
      font-weight: 950;
    }

    .score-num.green {
      color: #079965;
    }

    .score-num.coral {
      color: var(--accent);
    }

    .score-num.yellow {
      color: #9c7400;
    }

    .score-card strong {
      display: block;
      line-height: 1.35;
      margin-bottom: 3px;
    }

    .score-card small {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.5;
      display: block;
    }

    .progress {
      width: 86px;
      height: 10px;
      border-radius: 999px;
      background: #e8e8e1;
      overflow: hidden;
    }

    .progress span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--yellow), var(--accent));
    }

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

    .step-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: 0 10px 30px rgba(23, 23, 23, .05);
      position: relative;
    }

    .step-card:nth-child(2) {
      transform: translateY(-10px);
    }

    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--yellow);
      font-weight: 950;
      margin-bottom: 16px;
    }

    .step-card p {
      color: var(--muted);
      font-size: 15px;
      margin-bottom: 16px;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 330px 1fr;
      gap: 24px;
      align-items: start;
    }

    .faq-note {
      background: var(--dark);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 28px;
      position: sticky;
      top: 132px;
    }

    .faq-note p {
      color: rgba(255,255,255,.72);
      margin-bottom: 22px;
    }

    .faq-note .mini-tag {
      background: rgba(255,255,255,.08);
      color: #fff;
      border-color: rgba(255,255,255,.14);
    }

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

    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 8px 22px rgba(23, 23, 23, .04);
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 20px;
      background: #fff;
      color: var(--text);
      text-align: left;
      font-weight: 850;
    }

    .faq-question span {
      min-width: 30px;
      height: 30px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: var(--primary-soft);
      color: #075b3c;
      flex: 0 0 auto;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 20px 58px;
      color: var(--muted);
      font-size: 15px;
      background: linear-gradient(90deg, rgba(0, 208, 132, .08), transparent 72%);
    }

    .faq-item.open {
      border-color: rgba(0, 208, 132, .36);
    }

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

    .faq-item.open .faq-question span {
      background: var(--primary);
      color: var(--dark);
    }

    .cta-band {
      background:
        linear-gradient(135deg, rgba(0, 208, 132, .22), rgba(255, 212, 59, .2) 54%, rgba(255, 77, 109, .16)),
        #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      box-shadow: var(--shadow);
    }

    .cta-band p {
      max-width: 700px;
      color: #4b4b52;
      margin-bottom: 0;
    }

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

    .site-footer {
      background: var(--dark);
      color: #fff;
      padding: 58px 0 28px;
      margin-top: 34px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr .7fr;
      gap: 34px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 900;
      margin-bottom: 12px;
      position: relative;
      padding-left: 16px;
    }

    .footer-brand::before {
      content: "";
      position: absolute;
      left: 0;
      top: 8px;
      width: 6px;
      height: 22px;
      border-radius: 999px;
      background: var(--primary);
    }

    .footer-text {
      max-width: 520px;
      color: rgba(255,255,255,.68);
      margin-bottom: 0;
      font-size: 15px;
    }

    .footer-title {
      font-weight: 850;
      margin-bottom: 12px;
      color: var(--primary-2);
    }

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

    .footer-links a {
      color: rgba(255,255,255,.68);
      font-size: 15px;
      transition: color .2s ease, transform .2s ease;
    }

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

    .copyright {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 22px;
      color: rgba(255,255,255,.55);
      font-size: 14px;
    }

    @media (max-width: 1024px) {
      .container {
        width: min(var(--container), calc(100% - 48px));
      }

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

      .search {
        grid-column: 1 / -1;
        order: 3;
      }

      .hero-body,
      .compare-wrap,
      .faq-layout {
        grid-template-columns: 1fr;
      }

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

      .faq-note {
        position: static;
      }

      .trend-link {
        margin-left: 0;
      }
    }

    @media (max-width: 768px) {
      .container {
        width: min(var(--container), calc(100% - 32px));
      }

      .section {
        padding: 56px 0;
      }

      .brand-row {
        gap: 12px;
        min-height: auto;
        padding-top: 10px;
      }

      .brand-text {
        font-size: 16px;
        white-space: normal;
      }

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

      .age-pill {
        font-size: 12px;
        padding: 8px 10px;
      }

      .profile-row {
        grid-template-columns: auto 1fr;
        align-items: start;
        padding: 0 18px 22px;
      }

      .profile-main {
        padding-top: 50px;
      }

      .follow-actions {
        grid-column: 1 / -1;
        justify-content: flex-start;
      }

      .creator-cover {
        min-height: 140px;
        padding: 20px;
        flex-direction: column;
      }

      .hero-body {
        margin-top: 20px;
      }

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

      .entry-card.feature {
        grid-row: auto;
      }

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

      .step-card:nth-child(2) {
        transform: none;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 10px;
      }

      .cta-band {
        grid-template-columns: 1fr;
        padding: 24px;
      }

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

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

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

    @media (max-width: 520px) {
      h1 {
        font-size: 33px;
      }

      .search {
        border-radius: 18px;
      }

      .search button {
        padding-inline: 14px;
      }

      .channel-row {
        padding-bottom: 12px;
      }

      .nav-link,
      .trend-link {
        font-size: 13px;
        padding-inline: 12px;
      }

      .hero {
        padding-top: 24px;
      }

      .avatar {
        width: 76px;
        height: 76px;
        border-radius: 22px;
      }

      .profile-row {
        gap: 14px;
      }

      .hero-panel,
      .compare-wrap {
        padding: 18px;
        border-radius: 24px;
      }

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

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

      .progress {
        width: 100%;
      }

      .faq-answer {
        padding-left: 20px;
      }

      .btn {
        width: 100%;
      }
    }