/* roulang page: index */
:root {
      --primary: #ff3d7f;
      --primary-dark: #db1f61;
      --secondary: #18c6b7;
      --accent: #ffb703;
      --ink: #18202f;
      --muted: #667085;
      --soft: #f8fafc;
      --surface: #ffffff;
      --surface-2: #fff5f8;
      --line: rgba(24, 32, 47, .10);
      --shadow: 0 18px 50px rgba(24, 32, 47, .10);
      --shadow-hover: 0 24px 70px rgba(255, 61, 127, .18);
      --radius-sm: 12px;
      --radius: 22px;
      --radius-lg: 34px;
      --max: 1180px;
      --nav-height: 132px;
      --ease: all .24s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 150px;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(255, 61, 127, .14), transparent 30%),
        radial-gradient(circle at 90% 12%, rgba(24, 198, 183, .16), transparent 32%),
        linear-gradient(180deg, #fff 0%, #f7f8fb 48%, #fff 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--ease);
    }

    a:hover,
    a:focus {
      color: var(--primary);
    }

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

    button,
    input {
      font: inherit;
    }

    button,
    .button {
      cursor: pointer;
      border: 0;
    }

    input:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(255, 61, 127, .22);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      box-shadow: 0 12px 35px rgba(24, 32, 47, .06);
    }

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

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 900;
      letter-spacing: -.02em;
      font-size: 22px;
      color: var(--ink);
      white-space: nowrap;
    }

    .logo-mark {
      width: 42px;
      height: 42px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #7c3aed);
      box-shadow: 0 14px 32px rgba(255, 61, 127, .28);
    }

    .top-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex: 1;
      justify-content: flex-end;
    }

    .nav-search {
      position: relative;
      width: min(360px, 44vw);
    }

    .nav-search input {
      width: 100%;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 0 110px 0 42px;
      background: #fff;
      color: var(--ink);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
      transition: var(--ease);
    }

    .nav-search input:focus {
      border-color: rgba(255, 61, 127, .55);
      box-shadow: 0 0 0 5px rgba(255, 61, 127, .10);
    }

    .nav-search .fa-magnifying-glass {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
    }

    .search-btn {
      position: absolute;
      right: 5px;
      top: 5px;
      height: 32px;
      padding: 0 16px;
      border-radius: 999px;
      color: #fff;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), #ff6a3d);
      transition: var(--ease);
    }

    .search-btn:hover {
      transform: translateY(-1px);
      box-shadow: 0 10px 22px rgba(255, 61, 127, .22);
    }

    .trend-link {
      height: 42px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 0 16px;
      border-radius: 999px;
      background: #101828;
      color: #fff;
      font-weight: 800;
      white-space: nowrap;
    }

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

    .channel-row {
      border-top: 1px solid rgba(24, 32, 47, .07);
      min-height: 58px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
      padding: 10px 0;
    }

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

    .main-nav a {
      display: inline-flex;
      align-items: center;
      min-height: 36px;
      padding: 0 15px;
      border-radius: 999px;
      font-weight: 800;
      color: #344054;
      white-space: nowrap;
    }

    .main-nav a:hover,
    .main-nav a.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #7c3aed);
      box-shadow: 0 10px 24px rgba(255, 61, 127, .18);
    }

    .hot-words {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 14px;
      white-space: nowrap;
    }

    .hot-words a {
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--surface-2);
      color: var(--primary-dark);
      font-weight: 700;
    }

    .hot-words a:hover {
      background: var(--primary);
      color: #fff;
    }

    .hero {
      padding: 56px 0 36px;
    }

    .hero-panel {
      position: relative;
      overflow: hidden;
      border-radius: var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(255,255,255,.96), rgba(255,245,248,.92)),
        radial-gradient(circle at 80% 20%, rgba(255, 183, 3, .22), transparent 30%);
      border: 1px solid rgba(255, 61, 127, .12);
      box-shadow: var(--shadow);
      padding: 46px;
    }

    .hero-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(255,61,127,.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(24,198,183,.06) 1px, transparent 1px);
      background-size: 34px 34px;
      mask-image: linear-gradient(90deg, rgba(0,0,0,.8), transparent 85%);
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 34px;
      align-items: center;
    }

    .hero-copy {
      text-align: center;
      max-width: 780px;
      margin: 0 auto;
      grid-column: 1 / -1;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 13px;
      border-radius: 999px;
      background: rgba(24, 198, 183, .12);
      color: #087b72;
      font-weight: 900;
      font-size: 14px;
      margin-bottom: 16px;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 6vw, 66px);
      line-height: 1.05;
      letter-spacing: -.055em;
      font-weight: 950;
    }

    .hero-copy p {
      margin: 18px auto 0;
      color: #475467;
      font-size: clamp(16px, 2vw, 20px);
      max-width: 760px;
    }

    .hero-search {
      margin: 28px auto 0;
      max-width: 760px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 10px;
      padding: 8px;
      border: 1px solid rgba(255, 61, 127, .15);
      background: rgba(255,255,255,.88);
      border-radius: 999px;
      box-shadow: 0 18px 42px rgba(24, 32, 47, .10);
    }

    .hero-search input {
      border: 0;
      background: transparent;
      min-height: 50px;
      padding: 0 20px;
      color: var(--ink);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      font-weight: 900;
      letter-spacing: -.01em;
      transition: var(--ease);
      border: 1px solid transparent;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #ff6a3d);
      box-shadow: 0 16px 32px rgba(255, 61, 127, .26);
    }

    .btn-primary:hover {
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 22px 45px rgba(255, 61, 127, .34);
    }

    .btn-secondary {
      background: #fff;
      color: var(--ink);
      border-color: var(--line);
      box-shadow: 0 10px 24px rgba(24, 32, 47, .08);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      color: var(--primary);
      border-color: rgba(255, 61, 127, .28);
      box-shadow: var(--shadow-hover);
    }

    .quick-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 20px;
    }

    .quick-chips a,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 7px 12px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 800;
      background: #fff;
      border: 1px solid var(--line);
      color: #475467;
    }

    .quick-chips a:hover,
    .tag:hover {
      color: #fff;
      background: var(--primary);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .hero-stage {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      margin-top: 30px;
      align-items: stretch;
    }

    .bento-card,
    .content-card,
    .price-card,
    .news-card,
    .proof-card,
    .faq-item,
    .app-panel,
    .milestone-item {
      border: 1px solid var(--line);
      background: rgba(255,255,255,.92);
      border-radius: var(--radius);
      box-shadow: 0 14px 35px rgba(24, 32, 47, .08);
      transition: var(--ease);
    }

    .bento-card:hover,
    .content-card:hover,
    .price-card:hover,
    .news-card:hover,
    .proof-card:hover,
    .milestone-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255, 61, 127, .22);
    }

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

    .mini-vertical {
      min-height: 220px;
      padding: 20px;
      position: relative;
      overflow: hidden;
    }

    .mini-vertical::after {
      content: "";
      position: absolute;
      right: -22px;
      bottom: -24px;
      width: 96px;
      height: 96px;
      border-radius: 30px;
      background: linear-gradient(135deg, rgba(255, 61, 127, .18), rgba(24, 198, 183, .14));
      transform: rotate(18deg);
    }

    .mini-vertical .icon {
      width: 46px;
      height: 46px;
      display: grid;
      place-items: center;
      border-radius: 18px;
      color: #fff;
      background: linear-gradient(135deg, var(--primary), #7c3aed);
      margin-bottom: 16px;
    }

    .mini-vertical h3 {
      font-size: 20px;
      margin: 0 0 8px;
      font-weight: 950;
    }

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

    .status-panel {
      padding: 22px;
      display: grid;
      gap: 12px;
      background: linear-gradient(145deg, #101828, #29213f);
      color: #fff;
    }

    .status-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 13px;
      border-radius: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.10);
    }

    .status-line strong {
      display: block;
      font-size: 15px;
    }

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

    .pulse {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--secondary);
      box-shadow: 0 0 0 8px rgba(24,198,183,.16);
    }

    .section {
      padding: 54px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 24px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3.2vw, 42px);
      line-height: 1.16;
      letter-spacing: -.035em;
      font-weight: 950;
    }

    .section-desc {
      margin: 10px 0 0;
      max-width: 660px;
      color: var(--muted);
      font-size: 16px;
    }

    .matrix-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      grid-auto-rows: minmax(180px, auto);
      gap: 16px;
    }

    .matrix-card {
      padding: 24px;
      overflow: hidden;
      position: relative;
    }

    .matrix-card.large {
      grid-row: span 2;
      background:
        linear-gradient(145deg, rgba(255,61,127,.95), rgba(124,58,237,.92)),
        #ff3d7f;
      color: #fff;
    }

    .matrix-card.large p,
    .matrix-card.large .muted {
      color: rgba(255,255,255,.82);
    }

    .matrix-card h3 {
      margin: 0 0 9px;
      font-size: 23px;
      font-weight: 950;
    }

    .matrix-card p {
      margin: 0 0 18px;
      color: var(--muted);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      border-radius: 999px;
      padding: 6px 11px;
      font-size: 13px;
      font-weight: 900;
      background: rgba(255, 183, 3, .18);
      color: #9a6500;
    }

    .large .badge {
      background: rgba(255,255,255,.16);
      color: #fff;
    }

    .milestone-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
    }

    .milestone-item {
      padding: 22px;
      position: relative;
    }

    .milestone-item::before {
      content: "";
      position: absolute;
      top: 22px;
      right: 22px;
      width: 34px;
      height: 6px;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }

    .milestone-item strong {
      display: block;
      font-size: 30px;
      font-weight: 950;
      letter-spacing: -.04em;
      margin-bottom: 8px;
    }

    .milestone-item span {
      color: var(--muted);
      font-weight: 700;
    }

    .news-layout {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 18px;
      align-items: start;
    }

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

    .news-row {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 14px;
      align-items: center;
      padding: 17px;
      border-radius: 18px;
      background: #fff;
      border: 1px solid var(--line);
      transition: var(--ease);
    }

    .news-row:hover {
      transform: translateX(4px);
      border-color: rgba(255, 61, 127, .25);
      box-shadow: 0 16px 36px rgba(24,32,47,.08);
    }

    .news-date {
      width: 56px;
      height: 56px;
      border-radius: 18px;
      display: grid;
      place-items: center;
      font-weight: 950;
      color: var(--primary-dark);
      background: var(--surface-2);
    }

    .news-row h3 {
      margin: 0 0 3px;
      font-size: 18px;
      font-weight: 950;
    }

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

    .news-action {
      color: var(--primary);
      font-weight: 900;
      white-space: nowrap;
    }

    .recommend-card {
      padding: 24px;
      background: linear-gradient(180deg, #fff, #fff7fb);
    }

    .recommend-card h3 {
      margin: 0 0 12px;
      font-weight: 950;
    }

    .recommend-list {
      display: grid;
      gap: 10px;
      margin: 16px 0;
    }

    .recommend-list a {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 12px;
      border-radius: 15px;
      background: #fff;
      border: 1px solid var(--line);
      font-weight: 800;
    }

    .recommend-list a:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 18px;
      align-items: stretch;
    }

    .proof-card {
      padding: 24px;
    }

    .score {
      display: flex;
      align-items: baseline;
      gap: 8px;
      margin: 8px 0 16px;
    }

    .score strong {
      font-size: 58px;
      line-height: 1;
      letter-spacing: -.05em;
      color: var(--primary);
    }

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

    .bar-item span {
      display: flex;
      justify-content: space-between;
      font-weight: 800;
      margin-bottom: 7px;
    }

    .bar {
      height: 10px;
      border-radius: 999px;
      background: #eef2f6;
      overflow: hidden;
    }

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

    .bubble-wall {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .bubble {
      padding: 16px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--line);
    }

    .avatar {
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: inline-grid;
      place-items: center;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, var(--secondary), #7c3aed);
      margin-right: 8px;
    }

    .bubble p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

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

    .price-card {
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .price-card.recommend {
      border-color: rgba(255,61,127,.32);
      background: linear-gradient(180deg, #fff, #fff3f7);
      transform: translateY(-8px);
    }

    .price-card h3 {
      margin: 0 0 10px;
      font-weight: 950;
      font-size: 23px;
    }

    .price {
      display: flex;
      align-items: baseline;
      gap: 5px;
      margin: 14px 0;
    }

    .price strong {
      font-size: 44px;
      line-height: 1;
      color: var(--ink);
      letter-spacing: -.05em;
    }

    .price small {
      color: var(--muted);
      font-weight: 800;
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 20px;
      display: grid;
      gap: 10px;
    }

    .check-list li {
      display: flex;
      gap: 9px;
      color: #475467;
      font-weight: 700;
    }

    .check-list i {
      color: var(--secondary);
      margin-top: 5px;
    }

    .discount-track {
      padding: 26px;
      border-radius: var(--radius-lg);
      background: #101828;
      color: #fff;
      overflow: hidden;
      position: relative;
      margin-top: 18px;
    }

    .discount-track::after {
      content: "";
      position: absolute;
      right: -50px;
      top: -70px;
      width: 220px;
      height: 220px;
      border-radius: 70px;
      transform: rotate(25deg);
      background: rgba(255, 61, 127, .26);
    }

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

    .discount-step {
      padding: 16px;
      border-radius: 18px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
    }

    .discount-step strong {
      display: block;
      color: var(--accent);
      font-size: 22px;
      margin-bottom: 4px;
    }

    .demo-flow {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 18px;
      align-items: stretch;
    }

    .step-card {
      padding: 22px;
      border-radius: var(--radius);
      background: #fff;
      border: 1px solid var(--line);
      display: grid;
      gap: 14px;
    }

    .step {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 12px;
      align-items: start;
      padding: 13px;
      border-radius: 18px;
      background: var(--soft);
    }

    .step-num {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
    }

    .step h3 {
      margin: 0 0 4px;
      font-size: 17px;
      font-weight: 950;
    }

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

    .compare-panel {
      padding: 24px;
      border-radius: var(--radius);
      background: linear-gradient(145deg, #fff, #f7fbff);
      border: 1px solid var(--line);
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px 0;
      border-bottom: 1px solid var(--line);
    }

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

    .compare-row strong {
      font-size: 17px;
    }

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

    .app-panel {
      padding: 30px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(24,198,183,.12), rgba(255,61,127,.10)),
        #fff;
    }

    .app-icons {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .app-icon {
      width: 88px;
      height: 88px;
      border-radius: 28px;
      display: grid;
      place-items: center;
      color: #fff;
      font-size: 30px;
      background: linear-gradient(135deg, var(--primary), #7c3aed);
      box-shadow: 0 18px 40px rgba(255,61,127,.22);
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: .7fr 1.3fr;
      gap: 18px;
      align-items: start;
    }

    .faq-aside {
      padding: 24px;
      border-radius: var(--radius);
      background: #101828;
      color: #fff;
      position: sticky;
      top: 150px;
    }

    .faq-aside p {
      color: rgba(255,255,255,.72);
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      background: transparent;
      margin-bottom: 12px;
      border: 0;
    }

    .accordion-title {
      border: 1px solid var(--line) !important;
      border-radius: 18px !important;
      background: #fff !important;
      color: var(--ink) !important;
      font-weight: 950;
      padding: 18px 52px 18px 18px;
      font-size: 17px;
      transition: var(--ease);
    }

    .accordion-title:hover {
      background: var(--surface-2) !important;
      color: var(--primary-dark) !important;
    }

    .accordion-content {
      border: 1px solid var(--line) !important;
      border-top: 0 !important;
      border-radius: 0 0 18px 18px !important;
      color: var(--muted);
      background: #fff;
      padding: 18px;
    }

    .site-footer {
      margin-top: 48px;
      background: #111827;
      color: #fff;
      padding: 48px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr 1fr;
      gap: 28px;
      margin-bottom: 30px;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 950;
      margin-bottom: 12px;
    }

    .footer-grid p {
      color: rgba(255,255,255,.68);
      margin: 0;
    }

    .footer-title {
      font-weight: 950;
      margin-bottom: 12px;
    }

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

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

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

    .copyright {
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 18px;
      color: rgba(255,255,255,.58);
      display: flex;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
      font-size: 14px;
    }

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 1001;
      display: grid;
      gap: 10px;
    }

    .float-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-width: 152px;
      min-height: 48px;
      padding: 0 16px;
      border-radius: 999px;
      color: #fff;
      font-weight: 950;
      background: linear-gradient(135deg, var(--primary), #7c3aed);
      box-shadow: 0 18px 40px rgba(255,61,127,.32);
    }

    .float-btn:hover {
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 24px 54px rgba(255,61,127,.40);
    }

    @media (max-width: 1024px) {
      .brand-row {
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .top-actions {
        width: 100%;
        order: 2;
      }

      .nav-search {
        width: 100%;
      }

      .hero-content,
      .hero-stage,
      .proof-grid,
      .demo-flow,
      .faq-wrap,
      .news-layout,
      .app-panel {
        grid-template-columns: 1fr;
      }

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

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

      .faq-aside {
        position: static;
      }
    }

    @media (max-width: 768px) {
      html {
        scroll-padding-top: 170px;
      }

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

      .channel-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
        padding-bottom: 10px;
      }

      .hot-words {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .hero {
        padding-top: 28px;
      }

      .hero-panel {
        padding: 28px 18px;
        border-radius: 26px;
      }

      .hero-search {
        grid-template-columns: 1fr;
        border-radius: 24px;
      }

      .hero-search input {
        min-height: 46px;
      }

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

      .section {
        padding: 38px 0;
      }

      .section-head {
        display: block;
      }

      .matrix-grid,
      .price-grid,
      .milestone-wrap,
      .feature-stack,
      .discount-grid,
      .bubble-wall,
      .footer-grid {
        grid-template-columns: 1fr;
      }

      .matrix-card.large {
        grid-row: auto;
      }

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

      .news-action {
        grid-column: 2;
      }

      .price-card.recommend {
        transform: none;
      }

      .floating-cta {
        left: 12px;
        right: 12px;
        bottom: 12px;
      }

      .float-btn {
        width: 100%;
      }

      body {
        padding-bottom: 72px;
      }
    }

    @media (max-width: 520px) {
      .brand-logo {
        font-size: 18px;
      }

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

      .trend-link {
        display: none;
      }

      .nav-search input {
        padding-right: 94px;
      }

      .search-btn {
        padding: 0 12px;
      }

      .main-nav a {
        padding: 0 12px;
      }

      .quick-chips {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
      }

      .mini-vertical {
        min-height: auto;
      }

      .app-icons {
        justify-content: center;
      }

      .app-icon {
        width: 72px;
        height: 72px;
        border-radius: 22px;
      }
    }

/* roulang page: category2 */
:root {
      --color-primary: #ff4d6d;
      --color-primary-dark: #e83258;
      --color-secondary: #18c6a7;
      --color-accent: #7c4dff;
      --color-gold: #ffb703;
      --color-bg: #fff8f6;
      --color-surface: #ffffff;
      --color-soft: #fff0f3;
      --color-text: #1f2430;
      --color-muted: #6d7484;
      --color-light: #9aa3b2;
      --color-border: #f0dfe3;
      --shadow-sm: 0 8px 22px rgba(31, 36, 48, .07);
      --shadow-md: 0 16px 42px rgba(255, 77, 109, .14);
      --shadow-lg: 0 26px 70px rgba(31, 36, 48, .15);
      --radius-sm: 12px;
      --radius-md: 18px;
      --radius-lg: 28px;
      --radius-xl: 36px;
      --container: 1180px;
      --header-height: 132px;
      --transition: .24s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--color-text);
      line-height: 1.7;
      background:
        radial-gradient(circle at 8% 12%, rgba(255, 77, 109, .12), transparent 26%),
        radial-gradient(circle at 92% 4%, rgba(24, 198, 167, .12), transparent 22%),
        linear-gradient(180deg, #fffafa 0%, var(--color-bg) 44%, #ffffff 100%);
      overflow-x: hidden;
    }

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

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

    button,
    input,
    select {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    input,
    select {
      outline: none;
    }

    input:focus,
    select:focus,
    button:focus,
    a:focus {
      outline: 3px solid rgba(255, 77, 109, .24);
      outline-offset: 3px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(240, 223, 227, .9);
      box-shadow: 0 10px 28px rgba(31, 36, 48, .05);
    }

    .brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 22px;
      padding: 14px 0 10px;
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 900;
      letter-spacing: -.02em;
      color: var(--color-text);
      white-space: nowrap;
    }

    .brand-logo {
      font-size: 22px;
    }

    .logo-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 10px 26px rgba(255, 77, 109, .28);
    }

    .top-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      flex: 1;
      min-width: 0;
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      width: min(520px, 100%);
      background: #fff;
      border: 1px solid var(--color-border);
      border-radius: 999px;
      padding: 6px 7px 6px 14px;
      box-shadow: var(--shadow-sm);
    }

    .nav-search i {
      color: var(--color-primary);
    }

    .nav-search input {
      flex: 1;
      min-width: 80px;
      border: 0;
      background: transparent;
      margin: 0;
      height: 34px;
      box-shadow: none;
      color: var(--color-text);
    }

    .nav-search input::placeholder {
      color: var(--color-light);
    }

    .search-btn,
    .btn-primary,
    .btn-secondary,
    .card-action,
    .filter-btn {
      border: 0;
      border-radius: 999px;
      font-weight: 800;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
    }

    .search-btn {
      min-width: 70px;
      padding: 8px 16px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
      box-shadow: 0 8px 18px rgba(255, 77, 109, .22);
    }

    .search-btn:hover,
    .btn-primary:hover,
    .card-action:hover,
    .filter-btn.active:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-md);
      color: #fff;
    }

    .trend-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 10px 14px;
      border-radius: 999px;
      color: var(--color-primary-dark);
      background: var(--color-soft);
      font-weight: 800;
      white-space: nowrap;
    }

    .trend-link:hover {
      background: #ffe1e8;
      transform: translateY(-1px);
    }

    .channel-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 0 12px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
    }

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

    .main-nav a {
      flex: 0 0 auto;
      padding: 9px 15px;
      border-radius: 999px;
      color: var(--color-muted);
      font-weight: 850;
      border: 1px solid transparent;
    }

    .main-nav a:hover {
      color: var(--color-primary-dark);
      background: rgba(255, 77, 109, .08);
    }

    .main-nav a.active {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 10px 26px rgba(255, 77, 109, .22);
    }

    .hot-words {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--color-light);
      font-size: 13px;
      white-space: nowrap;
    }

    .hot-words a {
      color: var(--color-muted);
      padding: 6px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .78);
      border: 1px solid var(--color-border);
    }

    .hot-words a:hover {
      color: var(--color-primary-dark);
      border-color: rgba(255, 77, 109, .35);
    }

    .main {
      padding-bottom: 80px;
    }

    .page-hero {
      padding: 28px 0 16px;
    }

    .hero-strip {
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(240, 223, 227, .92);
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, rgba(255, 255, 255, .98), rgba(255, 240, 243, .9)),
        radial-gradient(circle at 86% 8%, rgba(124, 77, 255, .18), transparent 30%);
      box-shadow: var(--shadow-sm);
      padding: 26px;
    }

    .hero-strip::after {
      content: "";
      position: absolute;
      right: -70px;
      top: -90px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: linear-gradient(135deg, rgba(255, 77, 109, .2), rgba(24, 198, 167, .16));
      filter: blur(4px);
    }

    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
      gap: 26px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 12px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 700;
    }

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

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(255, 77, 109, .1);
      color: var(--color-primary-dark);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 10px;
    }

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

    h1 {
      font-size: clamp(30px, 4vw, 52px);
      line-height: 1.12;
      margin-bottom: 14px;
      letter-spacing: -.04em;
    }

    .hero-desc {
      max-width: 780px;
      color: var(--color-muted);
      font-size: 17px;
      margin-bottom: 20px;
    }

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

    .btn-primary,
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 46px;
      padding: 12px 19px;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 14px 30px rgba(255, 77, 109, .24);
    }

    .btn-secondary {
      color: var(--color-primary-dark);
      background: #fff;
      border: 1px solid rgba(255, 77, 109, .22);
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      color: var(--color-primary-dark);
      border-color: rgba(255, 77, 109, .5);
      box-shadow: var(--shadow-md);
    }

    .quick-panel {
      position: relative;
      z-index: 2;
      display: grid;
      gap: 12px;
    }

    .mini-card {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 15px;
      border-radius: 24px;
      background: rgba(255, 255, 255, .86);
      border: 1px solid rgba(240, 223, 227, .95);
      box-shadow: var(--shadow-sm);
    }

    .mini-card:nth-child(2) {
      transform: translateX(22px);
    }

    .mini-icon {
      width: 46px;
      height: 46px;
      border-radius: 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
      flex: 0 0 auto;
    }

    .mini-card strong {
      display: block;
      line-height: 1.35;
      margin-bottom: 2px;
    }

    .mini-card span {
      color: var(--color-muted);
      font-size: 13px;
    }

    .section {
      padding: 48px 0;
    }

    .section-heading {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(260px, .45fr);
      align-items: end;
      gap: 22px;
      margin-bottom: 22px;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--color-primary-dark);
      font-weight: 900;
      font-size: 13px;
      margin-bottom: 8px;
    }

    h2 {
      font-size: clamp(24px, 3vw, 38px);
      line-height: 1.22;
      margin-bottom: 10px;
      letter-spacing: -.03em;
    }

    .section-heading p,
    .section-note {
      color: var(--color-muted);
      margin-bottom: 0;
    }

    .filter-board {
      display: grid;
      gap: 16px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .82);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .filter-top {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 180px;
      gap: 12px;
    }

    .filter-search,
    .sort-select {
      min-height: 48px;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      background: #fff;
      box-shadow: none;
      margin: 0;
      padding: 0 18px;
      color: var(--color-text);
    }

    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-btn {
      padding: 9px 14px;
      background: #fff;
      color: var(--color-muted);
      border: 1px solid var(--color-border);
    }

    .filter-btn:hover {
      color: var(--color-primary-dark);
      border-color: rgba(255, 77, 109, .32);
      transform: translateY(-1px);
    }

    .filter-btn.active {
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      border-color: transparent;
    }

    .content-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 320px;
      gap: 24px;
      align-items: start;
    }

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

    .resource-card {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 88px minmax(0, 1fr);
      gap: 18px;
      padding: 18px;
      border-radius: var(--radius-lg);
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }

    .resource-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(255, 77, 109, .34);
    }

    .resource-card::before {
      content: "";
      position: absolute;
      inset: 0 auto 0 0;
      width: 5px;
      background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    }

    .cover-chip {
      min-height: 118px;
      border-radius: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 28px;
      background:
        linear-gradient(160deg, rgba(255, 77, 109, .95), rgba(124, 77, 255, .88)),
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, .4), transparent 28%);
      box-shadow: 0 16px 32px rgba(124, 77, 255, .22);
    }

    .resource-meta {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 9px;
    }

    .badge,
    .tag,
    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 850;
      line-height: 1;
    }

    .badge {
      padding: 7px 10px;
      color: var(--color-primary-dark);
      background: rgba(255, 77, 109, .1);
    }

    .tag {
      padding: 7px 9px;
      color: var(--color-muted);
      background: #fafafa;
      border: 1px solid var(--color-border);
    }

    .status-pill {
      padding: 7px 10px;
      color: #0f8c75;
      background: rgba(24, 198, 167, .12);
    }

    .resource-card h3 {
      font-size: 21px;
      line-height: 1.35;
      margin-bottom: 8px;
    }

    .resource-card p {
      color: var(--color-muted);
      margin-bottom: 14px;
    }

    .card-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 14px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    }

    .text-link {
      color: var(--color-primary-dark);
      font-weight: 850;
    }

    .text-link:hover {
      color: var(--color-accent);
    }

    .side-stack {
      display: grid;
      gap: 16px;
      position: sticky;
      top: 150px;
    }

    .side-card,
    .flow-card,
    .proof-card,
    .price-card,
    .faq-box,
    .cta-panel {
      border-radius: var(--radius-lg);
      background: rgba(255, 255, 255, .88);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .side-card {
      padding: 18px;
    }

    .side-card h3 {
      font-size: 18px;
      margin-bottom: 12px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 9px;
    }

    .tag-cloud a {
      padding: 8px 10px;
      border-radius: 999px;
      background: var(--color-soft);
      color: var(--color-primary-dark);
      font-size: 13px;
      font-weight: 800;
    }

    .tag-cloud a:hover {
      background: #ffe0e7;
      transform: translateY(-1px);
    }

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

    .update-list li {
      display: grid;
      grid-template-columns: 10px minmax(0, 1fr);
      gap: 10px;
      color: var(--color-muted);
      font-size: 14px;
    }

    .update-list li::before {
      content: "";
      width: 10px;
      height: 10px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--color-secondary);
      box-shadow: 0 0 0 5px rgba(24, 198, 167, .12);
    }

    .flow-grid {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 22px;
      align-items: stretch;
    }

    .flow-card {
      padding: 22px;
    }

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

    .flow-steps li {
      display: grid;
      grid-template-columns: 38px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 20px;
      background: #fff;
      border: 1px solid var(--color-border);
    }

    .step-num {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    }

    .flow-steps strong {
      display: block;
      margin-bottom: 2px;
    }

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

    .matrix-panel {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 13px;
    }

    .matrix-item {
      min-height: 132px;
      padding: 16px;
      border-radius: 24px;
      color: #fff;
      background: linear-gradient(145deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 16px 36px rgba(124, 77, 255, .18);
    }

    .matrix-item:nth-child(2) {
      background: linear-gradient(145deg, var(--color-secondary), #11a78e);
    }

    .matrix-item:nth-child(3) {
      background: linear-gradient(145deg, var(--color-gold), #ff7a1a);
    }

    .matrix-item:nth-child(4) {
      background: linear-gradient(145deg, #4f7cff, var(--color-accent));
    }

    .matrix-item i {
      font-size: 22px;
      margin-bottom: 12px;
    }

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

    .matrix-item span {
      display: block;
      opacity: .9;
      font-size: 13px;
    }

    .proof-band {
      padding: 26px;
      border-radius: var(--radius-xl);
      background:
        linear-gradient(135deg, #211b35, #362056 58%, #271932),
        radial-gradient(circle at 82% 20%, rgba(255, 77, 109, .36), transparent 30%);
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .proof-band .section-kicker,
    .proof-band .section-note {
      color: rgba(255, 255, 255, .74);
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin-top: 22px;
    }

    .proof-card {
      padding: 18px;
      background: rgba(255, 255, 255, .1);
      border-color: rgba(255, 255, 255, .16);
      box-shadow: none;
      backdrop-filter: blur(8px);
    }

    .proof-card strong {
      display: block;
      font-size: 30px;
      line-height: 1.1;
      margin-bottom: 6px;
      color: #fff;
    }

    .proof-card span {
      color: rgba(255, 255, 255, .74);
      font-size: 14px;
    }

    .price-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr .9fr;
      gap: 16px;
      align-items: stretch;
    }

    .price-card {
      position: relative;
      padding: 22px;
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition);
    }

    .price-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .price-card.recommended {
      border-color: rgba(255, 77, 109, .38);
      box-shadow: var(--shadow-md);
      transform: translateY(-8px);
    }

    .recommend-label {
      position: absolute;
      top: 16px;
      right: 16px;
      padding: 7px 10px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      font-size: 12px;
      font-weight: 900;
    }

    .price-card h3 {
      font-size: 21px;
      margin-bottom: 8px;
    }

    .price-value {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin: 10px 0 14px;
      color: var(--color-primary-dark);
    }

    .price-value strong {
      font-size: 34px;
      line-height: 1;
    }

    .price-card ul {
      display: grid;
      gap: 10px;
      margin: 0 0 18px;
      padding: 0;
      list-style: none;
      color: var(--color-muted);
    }

    .price-card li {
      display: flex;
      gap: 8px;
      align-items: flex-start;
    }

    .price-card li i {
      color: var(--color-secondary);
      margin-top: 5px;
    }

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

    .faq-box {
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      border: 0;
      background: #fff;
      color: var(--color-text);
      padding: 18px 20px;
      font-weight: 900;
      text-align: left;
    }

    .faq-question i {
      color: var(--color-primary);
      transition: transform var(--transition);
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: var(--color-muted);
      border-top: 1px solid var(--color-border);
      background: linear-gradient(180deg, #fff, #fffafa);
    }

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

    .faq-box.open .faq-question i {
      transform: rotate(180deg);
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: center;
      padding: 28px;
      background:
        linear-gradient(135deg, rgba(255, 77, 109, .12), rgba(24, 198, 167, .12)),
        #fff;
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      right: -48px;
      bottom: -70px;
      width: 190px;
      height: 190px;
      border-radius: 50%;
      background: rgba(255, 77, 109, .16);
    }

    .cta-panel h2,
    .cta-panel p,
    .cta-panel .hero-actions {
      position: relative;
      z-index: 2;
    }

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 1001;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      border-radius: 999px;
      color: #fff;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      box-shadow: 0 18px 42px rgba(255, 77, 109, .32);
      font-weight: 900;
    }

    .floating-cta:hover {
      color: #fff;
      transform: translateY(-3px);
      box-shadow: 0 24px 54px rgba(255, 77, 109, .38);
    }

    .site-footer {
      padding: 46px 0 28px;
      background: #191723;
      color: rgba(255, 255, 255, .72);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr .85fr 1fr;
      gap: 26px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .footer-brand {
      color: #fff;
      font-size: 20px;
      margin-bottom: 12px;
    }

    .footer-grid p {
      margin-bottom: 0;
      color: rgba(255, 255, 255, .68);
      font-size: 14px;
    }

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

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

    .footer-links a {
      color: rgba(255, 255, 255, .7);
      font-size: 14px;
    }

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

    .copyright {
      display: flex;
      justify-content: space-between;
      gap: 18px;
      flex-wrap: wrap;
      padding-top: 18px;
      color: rgba(255, 255, 255, .54);
      font-size: 13px;
    }

    @media (max-width: 1024px) {
      .hero-content,
      .content-layout,
      .flow-grid,
      .section-heading {
        grid-template-columns: 1fr;
      }

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

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

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

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

    @media (max-width: 768px) {
      .site-container {
        width: min(100% - 24px, var(--container));
      }

      .brand-row {
        align-items: stretch;
        flex-direction: column;
        gap: 12px;
      }

      .top-actions {
        justify-content: stretch;
      }

      .trend-link {
        display: none;
      }

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

      .hot-words {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
      }

      .hero-strip {
        padding: 20px;
        border-radius: 26px;
      }

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

      .filter-top,
      .resource-card,
      .proof-grid,
      .side-stack,
      .matrix-panel,
      .footer-grid,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .cover-chip {
        min-height: 82px;
      }

      .section {
        padding: 36px 0;
      }

      .floating-cta {
        right: 12px;
        left: 12px;
        justify-content: center;
        bottom: 14px;
      }

      .main {
        padding-bottom: 98px;
      }
    }

    @media (max-width: 520px) {
      .brand-logo {
        font-size: 19px;
      }

      .logo-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .nav-search {
        padding-left: 12px;
      }

      .search-btn {
        min-width: 58px;
        padding: 8px 12px;
      }

      .main-nav a {
        padding: 8px 12px;
        font-size: 14px;
      }

      h1 {
        font-size: 30px;
      }

      .hero-actions,
      .section-actions,
      .card-actions {
        align-items: stretch;
        flex-direction: column;
      }

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

      .resource-card {
        padding: 15px;
      }

      .copyright {
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root{
  --bg:#f7f4ef;
  --bg-alt:#fff7f1;
  --panel:#ffffff;
  --panel-soft:#fffaf6;
  --ink:#22212b;
  --muted:#6d7181;
  --line:#eadfd7;
  --line-strong:#dfd0c5;
  --accent:#ff5d7a;
  --accent-2:#7c62ff;
  --accent-3:#ff9f43;
  --accent-4:#18a999;
  --accent-5:#ffcf5a;
  --shadow:0 16px 40px rgba(57, 32, 46, .08);
  --shadow-strong:0 24px 60px rgba(57, 32, 46, .14);
  --radius:24px;
  --radius-sm:16px;
  --radius-xs:12px;
  --container:1200px;
  --space-1:6px;
  --space-2:10px;
  --space-3:14px;
  --space-4:18px;
  --space-5:24px;
  --space-6:32px;
  --space-7:42px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
  line-height:1.7;
  background:
    radial-gradient(circle at top left, rgba(255,93,122,.10), transparent 30%),
    radial-gradient(circle at top right, rgba(124,98,255,.10), transparent 26%),
    radial-gradient(circle at 50% 0, rgba(255,159,67,.08), transparent 20%),
    linear-gradient(180deg, #fffdfb 0%, #f7f4ef 46%, #f5f1eb 100%);
}
a{color:inherit;text-decoration:none;transition:all .22s ease}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:rgba(255,93,122,.18);color:var(--ink)}
:focus-visible{outline:3px solid rgba(255,93,122,.28);outline-offset:2px}

.page-shell{position:relative;overflow:hidden}
.site-container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  backdrop-filter:blur(16px);
  background:rgba(247,244,239,.84);
  border-bottom:1px solid rgba(234,223,215,.72);
  box-shadow:0 10px 30px rgba(53,35,45,.05);
}
.site-header.is-scrolled{
  background:rgba(248,245,240,.94);
  box-shadow:0 12px 34px rgba(53,35,45,.08);
}
.brand-row,
.channel-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand-row{padding:14px 0 10px}
.channel-row{padding:0 0 14px}
.brand-logo,
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--ink);
}
.brand-logo{font-size:1.08rem}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:linear-gradient(135deg, var(--accent), #ff7f55);
  box-shadow:0 14px 24px rgba(255,93,122,.22);
}
.top-actions{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:12px;
}
.nav-search{
  min-width:min(540px, 100%);
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow);
}
.nav-search i{color:var(--muted)}
.nav-search input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  color:var(--ink);
  min-width:0;
}
.nav-search input::placeholder{color:#9aa0ae}
.search-btn,
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:999px;
  padding:12px 18px;
  font-weight:800;
  line-height:1;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
  white-space:nowrap;
}
.search-btn{
  background:linear-gradient(135deg, var(--accent), #ff7a59);
  color:#fff;
  box-shadow:0 14px 26px rgba(255,93,122,.22);
}
.search-btn:hover,
.button:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-strong);
}
.trend-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 14px;
  border-radius:999px;
  border:1px solid rgba(255,93,122,.16);
  background:rgba(255,93,122,.08);
  color:var(--accent);
  font-weight:800;
  white-space:nowrap;
}
.trend-link:hover{background:rgba(255,93,122,.12)}

.main-nav{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.main-nav::-webkit-scrollbar{display:none}
.main-nav a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 16px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:800;
  box-shadow:0 8px 18px rgba(56,34,42,.04);
  flex:0 0 auto;
}
.main-nav a:hover,
.main-nav a.active{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  transform:translateY(-1px);
  box-shadow:0 14px 24px rgba(124,98,255,.16);
}
.hot-words{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.hot-words span{
  color:var(--muted);
  font-size:.86rem;
  font-weight:700;
}
.hot-words a{
  padding:8px 12px;
  border-radius:999px;
  background:#fff;
  border:1px dashed var(--line-strong);
  color:var(--ink);
  font-size:.92rem;
}
.hot-words a:hover{
  border-color:rgba(255,93,122,.32);
  color:var(--accent);
  background:rgba(255,93,122,.05);
}

main{padding:24px 0 56px}
.section{padding:18px 0 10px}
.hero-panel,
.section-card,
.trend-band{
  border-radius:calc(var(--radius) + 8px);
  border:1px solid rgba(234,223,215,.92);
  background:linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,250,246,.98) 100%);
  box-shadow:var(--shadow);
}
.hero-panel{position:relative;overflow:hidden}
.hero-panel::before{
  content:"";
  position:absolute;
  inset:-40px auto auto -40px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,93,122,.14) 0%, rgba(255,93,122,0) 70%);
  pointer-events:none;
}
.hero-panel::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-70px;
  width:280px;
  height:280px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(124,98,255,.10) 0%, rgba(124,98,255,0) 72%);
  pointer-events:none;
}
.hero-layout{
  padding:34px;
  position:relative;
  z-index:1;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,93,122,.10);
  color:var(--accent);
  font-weight:800;
  font-size:.88rem;
}
.hero-title{
  margin:16px 0 12px;
  font-size:clamp(2.2rem, 4.4vw, 3.7rem);
  line-height:1.06;
  letter-spacing:-.04em;
  font-weight:900;
}
.hero-subtitle{
  margin:0;
  color:var(--muted);
  font-size:1.03rem;
  max-width:58ch;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.button.primary{
  background:linear-gradient(135deg, var(--accent), #ff7b57);
  color:#fff;
  box-shadow:0 16px 28px rgba(255,93,122,.22);
}
.button.secondary{
  background:#fff;
  color:var(--ink);
  border:1px solid var(--line);
}
.button.ghost{
  background:rgba(124,98,255,.08);
  color:var(--accent-2);
  border:1px solid rgba(124,98,255,.14);
}
.hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.hero-pills span{
  padding:8px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:.92rem;
  font-weight:700;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:12px;
  margin-top:24px;
}
.stat{
  padding:14px 14px 12px;
  border-radius:18px;
  background:linear-gradient(180deg, #fff 0%, #fffaf5 100%);
  border:1px solid var(--line);
}
.stat strong{
  display:block;
  font-size:1.3rem;
  line-height:1.1;
  margin-bottom:4px;
}
.stat span{color:var(--muted);font-size:.92rem}
.hero-visual{position:relative}
.video-stack{
  display:grid;
  gap:12px;
}
.vertical-card{
  border-radius:26px;
  border:1px solid rgba(234,223,215,.95);
  background:linear-gradient(160deg, rgba(255,255,255,.98), rgba(255,244,248,.96));
  box-shadow:var(--shadow);
  overflow:hidden;
}
.vertical-card.big{
  min-height:320px;
  padding:18px;
  position:relative;
}
.cover{
  position:relative;
  overflow:hidden;
  height:190px;
  border-radius:22px;
  background:
    linear-gradient(145deg, rgba(255,93,122,.95), rgba(255,159,67,.92) 42%, rgba(124,98,255,.92) 72%, rgba(24,169,153,.88) 100%);
  box-shadow:0 18px 30px rgba(255,93,122,.18);
}
.cover::before{
  content:"";
  position:absolute;
  inset:18px 16px auto auto;
  width:70px;
  height:70px;
  border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cover::after{
  content:"";
  position:absolute;
  left:-30px;
  bottom:-34px;
  width:170px;
  height:170px;
  border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cover-label{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--ink);
  font-weight:800;
  box-shadow:0 12px 20px rgba(50,25,38,.10);
}
.video-caption{
  margin-top:14px;
  display:grid;
  gap:10px;
}
.video-caption h3{
  margin:0;
  font-size:1.12rem;
  font-weight:900;
}
.video-caption p{
  margin:0;
  color:var(--muted);
}
.stack-list{
  display:grid;
  gap:10px;
  margin-top:12px;
}
.stack-item{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  padding:12px 14px;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
}
.stack-item .mini{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.stack-item .mini strong{font-size:.98rem}
.stack-item .mini small{color:var(--muted)}
.stack-item .badge{
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,93,122,.10);
  color:var(--accent);
  font-weight:800;
  font-size:.82rem;
}

.trend-band{
  padding:18px 20px;
  margin-top:18px;
}
.trend-head{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  align-items:flex-start;
}
.trend-title{
  margin:0 0 4px;
  font-size:1.2rem;
  font-weight:900;
}
.trend-sub{
  margin:0;
  color:var(--muted);
}
.trend-capsule{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.trend-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.92rem;
  font-weight:700;
}

.section-inner{
  padding:28px;
}
.section-heading{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-end;
  flex-wrap:wrap;
  margin-bottom:20px;
}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 11px;
  border-radius:999px;
  background:rgba(255,159,67,.12);
  color:#c56915;
  font-weight:800;
  font-size:.86rem;
}
.section-heading h2{
  margin:10px 0 8px;
  font-size:clamp(1.55rem, 2.8vw, 2.24rem);
  line-height:1.15;
  font-weight:900;
}
.section-heading p{
  margin:0;
  color:var(--muted);
  max-width:62ch;
}
.section-tools{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  width:100%;
  margin:14px 0 18px;
}
.filter-box{
  flex:1;
  min-width:260px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 10px 22px rgba(54,32,42,.05);
}
.filter-box i{color:var(--muted)}
.filter-box input{
  width:100%;
  border:0;
  outline:0;
  background:transparent;
  min-width:0;
}
.filter-box input::placeholder{color:#9aa0ae}
.filter-box .button{
  padding:10px 14px;
}
.sort-group{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:800;
  box-shadow:0 8px 18px rgba(56,34,42,.04);
}
.pill.active{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow:0 14px 24px rgba(124,98,255,.16);
}
.pill:hover{transform:translateY(-1px)}

.entry-list{
  display:grid;
  gap:14px;
}
.entry-card{
  display:block;
  padding:18px;
  border-radius:22px;
  background:linear-gradient(180deg, #fff 0%, #fffaf6 100%);
  border:1px solid var(--line);
  box-shadow:0 12px 24px rgba(56,34,42,.05);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.entry-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-strong);
  border-color:rgba(255,93,122,.22);
}
.entry-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:10px;
}
.entry-num{
  width:42px;
  height:42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:900;
  background:linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow:0 14px 24px rgba(124,98,255,.16);
}
.entry-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,93,122,.10);
  color:var(--accent);
  font-size:.82rem;
  font-weight:800;
}
.entry-title{
  margin:0 0 8px;
  font-size:1.14rem;
  line-height:1.35;
  font-weight:900;
}
.entry-desc{
  margin:0 0 12px;
  color:var(--muted);
}
.entry-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.84rem;
}
.entry-action{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.mini-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius:999px;
  font-weight:800;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
}
.mini-btn.primary{
  color:#fff;
  border-color:transparent;
  background:linear-gradient(135deg, var(--accent), #ff7b57);
  box-shadow:0 14px 24px rgba(255,93,122,.18);
}

.side-sticky{
  position:sticky;
  top:132px;
  display:grid;
  gap:14px;
}
.side-card{
  padding:18px;
  border-radius:22px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, #fff 0%, #fffaf6 100%);
  box-shadow:var(--shadow);
}
.side-card h3{
  margin:0 0 10px;
  font-size:1.06rem;
  font-weight:900;
}
.side-card p{
  margin:0;
  color:var(--muted);
}
.label-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.label-cloud a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 12px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:.9rem;
  font-weight:700;
}
.label-cloud a:hover{
  border-color:rgba(255,93,122,.24);
  color:var(--accent);
  background:rgba(255,93,122,.05);
}
.side-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.side-list li{
  display:flex;
  justify-content:space-between;
  gap:10px;
  align-items:flex-start;
  padding-bottom:10px;
  border-bottom:1px dashed var(--line);
  color:var(--muted);
}
.side-list li:last-child{padding-bottom:0;border-bottom:0}
.side-list strong{color:var(--ink)}
.note-box{
  border-radius:18px;
  padding:16px;
  background:linear-gradient(135deg, rgba(255,93,122,.08), rgba(124,98,255,.08));
  border:1px solid rgba(255,93,122,.12);
}
.note-box strong{
  display:block;
  margin-bottom:6px;
  color:var(--ink);
}
.note-box span{color:var(--muted)}

.demo-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:18px;
}
.step-list{
  display:grid;
  gap:12px;
}
.step-item{
  display:flex;
  gap:14px;
  padding:16px;
  border-radius:20px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 10px 24px rgba(56,34,42,.04);
}
.step-num{
  width:42px;
  height:42px;
  flex:0 0 42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-weight:900;
  background:linear-gradient(135deg, var(--accent-4), var(--accent-2));
}
.step-item h3{
  margin:0 0 5px;
  font-size:1rem;
  font-weight:900;
}
.step-item p{
  margin:0;
  color:var(--muted);
}
.demo-panel{
  border-radius:24px;
  padding:20px;
  border:1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,247,240,.98));
  box-shadow:var(--shadow);
}
.panel-top{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  margin-bottom:14px;
}
.panel-top strong{
  font-size:1.08rem;
  font-weight:900;
}
.panel-top span{
  padding:7px 10px;
  border-radius:999px;
  background:rgba(24,169,153,.10);
  color:var(--accent-4);
  font-size:.82rem;
  font-weight:800;
}
.demo-flow{
  display:grid;
  gap:10px;
}
.flow-row{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid var(--line);
  background:#fff;
}
.flow-row strong{
  display:block;
  line-height:1.2;
}
.flow-row small{
  color:var(--muted);
}
.flow-chip{
  padding:8px 10px;
  border-radius:999px;
  background:rgba(255,159,67,.10);
  color:#c56915;
  font-weight:800;
  font-size:.82rem;
  white-space:nowrap;
}
.check-list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:8px;
}
.check-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--muted);
}
.check-mark{
  color:var(--accent);
  margin-top:2px;
}
.mini-cta{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.mini-cta .button{
  padding:11px 14px;
}

.proof-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
.proof-card{
  padding:16px;
  border-radius:20px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 10px 22px rgba(56,34,42,.04);
}
.proof-card strong{
  display:block;
  font-size:1.5rem;
  font-weight:900;
  line-height:1.1;
}
.proof-card span{
  color:var(--muted);
  font-size:.92rem;
}
.proof-stack{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:18px;
  margin-top:18px;
}
.bar-list{
  display:grid;
  gap:12px;
}
.bar-item{
  display:grid;
  gap:8px;
}
.bar-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
}
.bar-head strong{font-weight:800}
.bar-head span{color:var(--muted);font-size:.92rem}
.bar-track{
  height:10px;
  border-radius:999px;
  background:#efe7de;
  overflow:hidden;
}
.bar-track i{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, var(--accent), var(--accent-3));
}
.timeline{
  display:grid;
  gap:12px;
}
.timeline-item{
  display:flex;
  gap:12px;
  padding:14px;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
}
.timeline-time{
  font-weight:900;
  color:var(--accent-2);
  white-space:nowrap;
}
.timeline-item p{
  margin:0;
  color:var(--muted);
}
.quote-card{
  margin-top:16px;
  padding:16px;
  border-radius:20px;
  background:linear-gradient(135deg, rgba(255,93,122,.08), rgba(124,98,255,.08));
  border:1px solid rgba(255,93,122,.10);
}
.quote-card strong{
  display:block;
  margin-bottom:6px;
}

.price-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:20px;
  border-radius:24px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow);
}
.plan-card.recommend{
  background:linear-gradient(180deg, #fff 0%, #fff3f7 100%);
  border-color:rgba(255,93,122,.20);
}
.plan-tag{
  position:absolute;
  top:16px;
  right:16px;
  padding:7px 10px;
  border-radius:999px;
  font-size:.8rem;
  font-weight:800;
  background:rgba(255,93,122,.10);
  color:var(--accent);
}
.plan-title{
  margin:0;
  font-size:1.08rem;
  font-weight:900;
}
.plan-price{
  font-size:2rem;
  line-height:1;
  font-weight:900;
  letter-spacing:-.03em;
}
.plan-note{
  color:var(--muted);
}
.plan-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.plan-list li{
  display:flex;
  gap:8px;
  align-items:flex-start;
  color:var(--muted);
}
.plan-list i{color:var(--accent);margin-top:3px}
.plan-card .button{
  width:100%;
  margin-top:auto;
}

.faq-grid{
  display:grid;
  gap:12px;
}
.faq-item{
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:0 10px 22px rgba(56,34,42,.04);
}
.faq-item summary{
  list-style:none;
  padding:16px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-weight:900;
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary span:last-child{
  color:var(--accent);
  font-size:1.1rem;
  font-weight:900;
}
.faq-item[open] summary{
  background:linear-gradient(135deg, rgba(255,93,122,.08), rgba(124,98,255,.06));
}
.faq-content{
  padding:0 18px 18px;
  color:var(--muted);
}
.faq-content p{margin:0}
.faq-content p + p{margin-top:10px}

.site-footer{
  margin-top:36px;
  padding:30px 0 22px;
  color:#f7eee8;
  background:#231a24;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.35fr .8fr .8fr .9fr;
  gap:18px;
}
.footer-brand{color:#fff;font-size:1.04rem}
.footer-title{
  margin-bottom:12px;
  font-size:.95rem;
  font-weight:900;
  color:#ffd8cc;
}
.footer-grid p{margin:0;color:rgba(247,238,232,.78)}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  color:rgba(247,238,232,.76);
}
.footer-links a:hover{color:#fff}
.copyright{
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:rgba(247,238,232,.74);
  font-size:.92rem;
}

.float-cta{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:90;
  display:grid;
  gap:10px;
}
.float-cta .button{
  min-width:168px;
  box-shadow:var(--shadow-strong);
}
.float-cta .button.secondary{
  background:rgba(255,255,255,.94);
}

.mobile-dock{display:none}

@media (max-width: 1024px){
  .hero-layout,
  .demo-grid,
  .proof-stack,
  .footer-grid{
    grid-template-columns:1fr;
  }
  .side-sticky{position:static}
  .proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .price-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width: 768px){
  .brand-row,
  .channel-row,
  .top-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .top-actions{justify-content:stretch}
  .nav-search{min-width:0;width:100%}
  .channel-row{padding-top:0}
  .main-nav{padding-bottom:4px}
  .hero-layout{padding:24px}
  .hero-title{font-size:clamp(1.9rem, 8vw, 3rem)}
  .hero-stats{grid-template-columns:1fr}
  .section-inner{padding:22px}
  .proof-grid{grid-template-columns:1fr}
  .float-cta{display:none}
  .mobile-dock{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    position:fixed;
    left:12px;
    right:12px;
    bottom:12px;
    z-index:95;
    padding:10px;
    border-radius:18px;
    border:1px solid rgba(234,223,215,.92);
    background:rgba(247,244,239,.92);
    backdrop-filter:blur(12px);
    box-shadow:var(--shadow-strong);
  }
  .mobile-dock .button{width:100%;padding:12px 14px}
  body{padding-bottom:88px}
}
@media (max-width: 520px){
  .site-container{width:min(calc(100% - 20px), var(--container))}
  .hero-layout,
  .section-inner,
  .trend-band{padding:18px}
  .section-heading h2{font-size:1.45rem}
  .stack-item,
  .entry-top,
  .flow-row,
  .timeline-item,
  .step-item{
    align-items:flex-start;
    flex-direction:column;
  }
  .entry-action,.mini-cta{width:100%}
  .entry-action .mini-btn,.mini-cta .button{width:100%}
  .copyright{flex-direction:column}
}