/* roulang page: index */
:root {
      --ink: #14101d;
      --ink-2: #21182e;
      --ink-3: #312540;
      --paper: #fffaf1;
      --paper-soft: #f7f0e5;
      --card: #fffdf8;
      --muted: #756b7d;
      --text: #201b25;
      --text-invert: #fffaf3;
      --line: rgba(49, 37, 64, .12);
      --line-dark: rgba(255, 250, 243, .16);
      --amber: #f2a33a;
      --amber-2: #ffca6d;
      --mist: #a985d8;
      --mist-2: #d8c5ff;
      --green: #7fb7a5;
      --radius-sm: 14px;
      --radius: 22px;
      --radius-lg: 32px;
      --shadow: 0 18px 45px rgba(34, 24, 48, .12);
      --shadow-soft: 0 10px 28px rgba(34, 24, 48, .08);
      --shadow-dark: 0 24px 70px rgba(0, 0, 0, .28);
      --container: 1180px;
      --transition: all .22s ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--paper);
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 10% 10%, rgba(169, 133, 216, .16), transparent 30%),
        radial-gradient(circle at 88% 8%, rgba(242, 163, 58, .13), transparent 34%),
        linear-gradient(180deg, #fffaf1 0%, #f8f0e6 42%, #fffaf1 100%);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .22;
      background-image:
        linear-gradient(rgba(20, 16, 29, .04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 16, 29, .035) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 65%);
      z-index: -1;
    }

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

    a:hover,
    a:focus {
      color: inherit;
      text-decoration: none;
    }

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

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

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

    .skip-link {
      position: absolute;
      left: -999px;
      top: 12px;
      padding: 10px 14px;
      background: var(--amber);
      color: var(--ink);
      border-radius: 12px;
      z-index: 2000;
    }

    .skip-link:focus {
      left: 12px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(20, 16, 29, .92);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line-dark);
      box-shadow: 0 12px 35px rgba(0, 0, 0, .18);
    }

    .nav-shell {
      padding: 14px 0;
      display: grid;
      grid-template-columns: minmax(220px, 1fr) minmax(320px, 480px) auto;
      align-items: center;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--text-invert);
      font-weight: 900;
      letter-spacing: -.03em;
      line-height: 1.18;
      font-size: 17px;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      flex: 0 0 40px;
      border-radius: 15px;
      background:
        radial-gradient(circle at 32% 24%, #fff3c7 0 13%, transparent 14%),
        linear-gradient(135deg, var(--amber), var(--mist));
      box-shadow: 0 10px 25px rgba(242, 163, 58, .28);
      position: relative;
      overflow: hidden;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      width: 42px;
      height: 12px;
      left: 8px;
      bottom: 8px;
      border-radius: 999px;
      background: rgba(20, 16, 29, .28);
      transform: rotate(-18deg);
    }

    .nav-search {
      display: flex;
      align-items: center;
      gap: 8px;
      height: 52px;
      border: 1px solid rgba(255, 250, 243, .16);
      background: rgba(255, 250, 243, .08);
      border-radius: 999px;
      padding: 5px 6px 5px 18px;
      transition: var(--transition);
    }

    .nav-search:focus-within {
      border-color: rgba(242, 163, 58, .72);
      box-shadow: 0 0 0 4px rgba(242, 163, 58, .14);
      background: rgba(255, 250, 243, .12);
    }

    .search-icon {
      color: var(--amber-2);
      font-size: 17px;
      flex: 0 0 auto;
    }

    .nav-search input {
      width: 100%;
      min-width: 0;
      color: #fffaf3;
      background: transparent;
      border: 0;
      outline: none;
      height: 42px;
      box-shadow: none;
      margin: 0;
    }

    .nav-search input::placeholder {
      color: rgba(255, 250, 243, .62);
    }

    .nav-search button {
      height: 42px;
      padding: 0 18px;
      border-radius: 999px;
      color: var(--ink);
      font-weight: 800;
      background: linear-gradient(135deg, var(--amber-2), var(--mist-2));
      box-shadow: 0 12px 24px rgba(242, 163, 58, .22);
      white-space: nowrap;
    }

    .nav-search button:hover {
      transform: translateY(-1px);
      filter: brightness(1.04);
    }

    .nav-links {
      display: flex;
      justify-content: flex-end;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    .nav-links a {
      color: rgba(255, 250, 243, .78);
      padding: 9px 13px;
      border: 1px solid transparent;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 700;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: #fffaf3;
      border-color: rgba(255, 250, 243, .18);
      background: rgba(255, 250, 243, .1);
    }

    .anchor-bar {
      border-top: 1px solid rgba(255, 250, 243, .08);
      padding: 8px 0 12px;
    }

    .anchor-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      overflow-x: auto;
      scrollbar-width: none;
    }

    .anchor-links::-webkit-scrollbar {
      display: none;
    }

    .anchor-links a {
      flex: 0 0 auto;
      color: rgba(255, 250, 243, .72);
      font-size: 13px;
      font-weight: 800;
      border-radius: 999px;
      padding: 7px 14px;
      background: rgba(255, 250, 243, .06);
      border: 1px solid rgba(255, 250, 243, .08);
    }

    .anchor-links a:hover,
    .anchor-links a.is-current {
      color: var(--ink);
      background: linear-gradient(135deg, var(--amber-2), var(--mist-2));
      border-color: transparent;
    }

    .hero {
      position: relative;
      padding: 86px 0 54px;
      background:
        radial-gradient(circle at 70% 18%, rgba(169, 133, 216, .28), transparent 30%),
        radial-gradient(circle at 35% 92%, rgba(242, 163, 58, .2), transparent 34%),
        linear-gradient(145deg, var(--ink) 0%, var(--ink-2) 58%, #1d1429 100%);
      color: var(--text-invert);
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .16;
      background-image:
        radial-gradient(circle, rgba(255,255,255,.45) 1px, transparent 1.5px);
      background-size: 28px 28px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 82%);
    }

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

    .hero-grid {
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 13px;
      border-radius: 999px;
      background: rgba(255, 250, 243, .1);
      border: 1px solid rgba(255, 250, 243, .14);
      color: #ffe8b2;
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 18px;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 0 6px rgba(127, 183, 165, .14);
    }

    h1,
    h2,
    h3 {
      letter-spacing: -.045em;
      line-height: 1.14;
      margin: 0;
      font-weight: 950;
    }

    h1 {
      font-size: clamp(32px, 5vw, 58px);
      max-width: 760px;
    }

    .hero-subtitle {
      max-width: 650px;
      margin: 20px 0 28px;
      color: rgba(255, 250, 243, .78);
      font-size: 17px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 18px;
      border-radius: 16px;
      font-weight: 900;
      line-height: 1;
      border: 1px solid transparent;
      transition: var(--transition);
      user-select: none;
    }

    .btn-primary {
      color: var(--ink);
      background: linear-gradient(135deg, var(--amber-2), var(--mist-2));
      box-shadow: 0 16px 32px rgba(242, 163, 58, .24);
    }

    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-ghost:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }

    .btn-primary:active,
    .btn-secondary:active,
    .btn-ghost:active {
      transform: translateY(0) scale(.98);
    }

    .btn-secondary {
      color: var(--text-invert);
      background: rgba(255, 250, 243, .08);
      border-color: rgba(255, 250, 243, .16);
    }

    .btn-ghost {
      color: var(--ink-2);
      background: #fff;
      border-color: var(--line);
    }

    .hero-panel {
      position: relative;
      border-radius: var(--radius-lg);
      padding: 18px;
      background: linear-gradient(180deg, rgba(255, 250, 243, .12), rgba(255, 250, 243, .05));
      border: 1px solid rgba(255, 250, 243, .18);
      box-shadow: var(--shadow-dark);
      overflow: hidden;
    }

    .hero-panel::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 190px;
      right: -60px;
      top: -60px;
      border-radius: 50%;
      background: rgba(242, 163, 58, .22);
      filter: blur(20px);
    }

    .preview-screen {
      position: relative;
      z-index: 1;
      border-radius: 26px;
      background: rgba(17, 12, 25, .86);
      border: 1px solid rgba(255, 250, 243, .12);
      padding: 18px;
    }

    .screen-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
    }

    .dots {
      display: flex;
      gap: 7px;
    }

    .dots span {
      width: 9px;
      height: 9px;
      border-radius: 99px;
      background: rgba(255, 250, 243, .24);
    }

    .screen-tag {
      color: var(--amber-2);
      font-size: 12px;
      font-weight: 900;
    }

    .cover-wall {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 12px;
    }

    .cover-card {
      min-height: 132px;
      border-radius: 22px;
      padding: 14px;
      background:
        linear-gradient(160deg, rgba(242, 163, 58, .32), rgba(169, 133, 216, .16)),
        linear-gradient(135deg, #312540, #181120);
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 250, 243, .1);
    }

    .cover-card.tall {
      min-height: 278px;
    }

    .cover-card::before {
      content: "";
      position: absolute;
      inset: auto -20px -28px auto;
      width: 150px;
      height: 150px;
      border-radius: 50%;
      background: rgba(255, 250, 243, .12);
    }

    .play-pill {
      position: absolute;
      left: 14px;
      bottom: 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      color: var(--ink);
      font-size: 12px;
      font-weight: 900;
      background: #fff5d7;
    }

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

    .mini-item {
      min-height: 83px;
      border-radius: 18px;
      padding: 12px;
      background: rgba(255, 250, 243, .08);
      border: 1px solid rgba(255, 250, 243, .1);
    }

    .mini-line {
      height: 10px;
      border-radius: 999px;
      background: rgba(255, 250, 243, .28);
      margin-bottom: 10px;
    }

    .mini-line.short {
      width: 62%;
      background: rgba(242, 163, 58, .5);
    }

    .metric-row {
      margin-top: 26px;
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .metric {
      display: inline-flex;
      align-items: baseline;
      gap: 8px;
      border: 1px solid rgba(255, 250, 243, .14);
      background: rgba(255, 250, 243, .08);
      border-radius: 999px;
      padding: 10px 14px;
      color: rgba(255, 250, 243, .78);
    }

    .metric strong {
      color: #ffe8b2;
      font-size: 20px;
      line-height: 1;
    }

    .section {
      padding: 88px 0;
    }

    .section.tight {
      padding: 66px 0;
    }

    .section-dark {
      color: var(--text-invert);
      background:
        radial-gradient(circle at 20% 0%, rgba(242, 163, 58, .18), transparent 32%),
        radial-gradient(circle at 82% 28%, rgba(169, 133, 216, .2), transparent 30%),
        linear-gradient(145deg, var(--ink) 0%, var(--ink-2) 100%);
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--amber);
      font-weight: 950;
      font-size: 13px;
      margin-bottom: 9px;
      letter-spacing: .08em;
    }

    .section h2 {
      font-size: clamp(28px, 3vw, 38px);
    }

    .section-desc {
      margin: 12px 0 0;
      color: var(--muted);
      max-width: 660px;
      font-size: 16px;
    }

    .section-dark .section-desc {
      color: rgba(255, 250, 243, .72);
    }

    .feature-layout {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      align-items: stretch;
    }

    .feature-card,
    .content-card,
    .evidence-card,
    .price-card,
    .category-card {
      position: relative;
      background: rgba(255, 253, 248, .88);
      border: 1px solid var(--line);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-soft);
      padding: 24px;
      overflow: hidden;
      transition: var(--transition);
    }

    .feature-card:hover,
    .content-card:hover,
    .evidence-card:hover,
    .price-card:hover,
    .category-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
      border-color: rgba(242, 163, 58, .34);
    }

    .feature-card.large {
      min-height: 360px;
      background:
        radial-gradient(circle at 84% 18%, rgba(242, 163, 58, .2), transparent 28%),
        linear-gradient(145deg, #fffdf8, #f7ecdd);
    }

    .feature-number {
      position: absolute;
      right: 22px;
      top: 12px;
      color: rgba(49, 37, 64, .08);
      font-size: 88px;
      font-weight: 950;
      line-height: 1;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      width: fit-content;
      padding: 7px 11px;
      border-radius: 999px;
      color: #5b3c0d;
      background: rgba(242, 163, 58, .18);
      border: 1px solid rgba(242, 163, 58, .22);
      font-size: 12px;
      font-weight: 900;
    }

    .tag.purple {
      color: #49316b;
      background: rgba(169, 133, 216, .18);
      border-color: rgba(169, 133, 216, .22);
    }

    .tag.green {
      color: #24584b;
      background: rgba(127, 183, 165, .18);
      border-color: rgba(127, 183, 165, .28);
    }

    .feature-card h3,
    .content-card h3,
    .evidence-card h3,
    .price-card h3,
    .category-card h3 {
      margin-top: 18px;
      font-size: 23px;
    }

    .card-text {
      color: var(--muted);
      margin: 12px 0 20px;
    }

    .feature-stack {
      display: grid;
      gap: 22px;
    }

    .feature-stack .feature-card {
      min-height: 169px;
    }

    .demo-board {
      border-radius: var(--radius-lg);
      background: #17111f;
      border: 1px solid rgba(255, 250, 243, .12);
      box-shadow: var(--shadow-dark);
      overflow: hidden;
    }

    .demo-toolbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      padding: 16px 18px;
      border-bottom: 1px solid rgba(255, 250, 243, .1);
      color: rgba(255, 250, 243, .74);
    }

    .demo-search {
      width: min(420px, 100%);
      height: 44px;
      border-radius: 999px;
      background: rgba(255, 250, 243, .08);
      border: 1px solid rgba(255, 250, 243, .12);
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 15px;
      color: rgba(255, 250, 243, .62);
      font-size: 14px;
    }

    .demo-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 16px;
      padding: 18px;
    }

    .demo-main {
      border-radius: 24px;
      min-height: 338px;
      padding: 18px;
      background:
        radial-gradient(circle at 70% 30%, rgba(242, 163, 58, .28), transparent 34%),
        linear-gradient(135deg, #332642, #20172c);
      border: 1px solid rgba(255, 250, 243, .1);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }

    .demo-title {
      color: #fffaf3;
      font-weight: 950;
      font-size: 25px;
      line-height: 1.2;
      max-width: 440px;
      margin-bottom: 10px;
    }

    .demo-copy {
      color: rgba(255, 250, 243, .7);
      max-width: 520px;
      margin: 0;
    }

    .demo-side {
      display: grid;
      gap: 13px;
    }

    .rank-item {
      display: grid;
      grid-template-columns: 38px 1fr auto;
      align-items: center;
      gap: 12px;
      padding: 13px;
      border-radius: 18px;
      background: rgba(255, 250, 243, .07);
      border: 1px solid rgba(255, 250, 243, .08);
      color: rgba(255, 250, 243, .78);
    }

    .rank-num {
      width: 32px;
      height: 32px;
      display: grid;
      place-items: center;
      border-radius: 12px;
      color: var(--ink);
      font-weight: 950;
      background: linear-gradient(135deg, var(--amber-2), var(--mist-2));
    }

    .rank-item strong {
      display: block;
      color: #fffaf3;
      line-height: 1.25;
    }

    .rank-item span {
      font-size: 12px;
      color: rgba(255, 250, 243, .58);
    }

    .category-card {
      min-height: 260px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      background:
        radial-gradient(circle at 82% 18%, rgba(169, 133, 216, .23), transparent 28%),
        linear-gradient(145deg, #fffdf8, #fff4df);
    }

    .category-card .visual-strip {
      height: 86px;
      border-radius: 22px;
      margin-bottom: 22px;
      background:
        linear-gradient(90deg, rgba(242, 163, 58, .75), rgba(169, 133, 216, .66)),
        repeating-linear-gradient(135deg, rgba(255,255,255,.2) 0 8px, transparent 8px 16px);
      position: relative;
      overflow: hidden;
    }

    .category-card .visual-strip::after {
      content: "";
      position: absolute;
      inset: 14px;
      border-radius: 18px;
      border: 1px solid rgba(255, 255, 255, .42);
    }

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

    .evidence-card {
      padding: 22px;
    }

    .score {
      font-size: 36px;
      font-weight: 950;
      letter-spacing: -.05em;
      color: var(--ink-2);
    }

    .score small {
      font-size: 14px;
      color: var(--muted);
      letter-spacing: 0;
    }

    .bar {
      height: 9px;
      border-radius: 999px;
      background: rgba(49, 37, 64, .08);
      overflow: hidden;
      margin-top: 16px;
    }

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

    .price-grid {
      align-items: stretch;
    }

    .price-card {
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .price-card.highlight {
      color: var(--text-invert);
      background:
        radial-gradient(circle at 80% 20%, rgba(242, 163, 58, .24), transparent 30%),
        linear-gradient(145deg, var(--ink-2), #1a1224);
      border-color: rgba(255, 250, 243, .14);
      transform: translateY(-8px);
    }

    .price-card.highlight .card-text,
    .price-card.highlight li {
      color: rgba(255, 250, 243, .72);
    }

    .price-value {
      margin: 18px 0 12px;
      font-size: 38px;
      font-weight: 950;
      letter-spacing: -.05em;
    }

    .price-value small {
      font-size: 14px;
      color: var(--muted);
      letter-spacing: 0;
      font-weight: 700;
    }

    .price-card.highlight .price-value small {
      color: rgba(255, 250, 243, .62);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 18px 0 24px;
      display: grid;
      gap: 11px;
    }

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

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      display: grid;
      place-items: center;
      border-radius: 999px;
      color: var(--ink);
      font-weight: 950;
      background: linear-gradient(135deg, var(--amber-2), var(--mist-2));
      line-height: 1;
      margin-top: 2px;
    }

    .price-card .btn {
      margin-top: auto;
      width: 100%;
    }

    .content-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr 1fr;
      gap: 18px;
    }

    .content-card {
      min-height: 260px;
    }

    .content-card:nth-child(2) {
      min-height: 315px;
      background:
        radial-gradient(circle at 80% 16%, rgba(242, 163, 58, .18), transparent 30%),
        #fffdf8;
    }

    .thumb {
      height: 118px;
      border-radius: 22px;
      background:
        linear-gradient(135deg, rgba(242, 163, 58, .72), rgba(169, 133, 216, .62)),
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.55), transparent 22%);
      margin-bottom: 16px;
      overflow: hidden;
      position: relative;
    }

    .thumb::after {
      content: "";
      position: absolute;
      inset: 16px;
      border: 1px solid rgba(255,255,255,.42);
      border-radius: 16px;
    }

    .faq-wrap {
      max-width: 900px;
      margin: 0 auto;
    }

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

    .accordion-item {
      margin-bottom: 13px;
      border-radius: 22px;
      overflow: hidden;
      background: rgba(255, 253, 248, .9);
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
    }

    .accordion-title {
      border: 0 !important;
      color: var(--text) !important;
      font-size: 16px;
      font-weight: 950;
      padding: 20px 52px 20px 22px;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      background: rgba(242, 163, 58, .08);
      color: var(--text) !important;
    }

    .accordion-title::before {
      right: 22px;
      font-size: 24px;
      margin-top: -12px;
      color: var(--amber);
    }

    .accordion-content {
      border: 0 !important;
      background: rgba(255, 250, 241, .82);
      color: var(--muted);
      padding: 0 22px 22px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      border-radius: 36px;
      padding: 44px;
      color: var(--text-invert);
      background:
        radial-gradient(circle at 82% 18%, rgba(242, 163, 58, .26), transparent 28%),
        radial-gradient(circle at 18% 78%, rgba(169, 133, 216, .28), transparent 32%),
        linear-gradient(145deg, var(--ink), var(--ink-2));
      box-shadow: var(--shadow-dark);
    }

    .cta-panel::after {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -70px;
      bottom: -90px;
      border-radius: 50%;
      background: rgba(255, 250, 243, .1);
    }

    .cta-panel h2 {
      max-width: 680px;
    }

    .cta-panel p {
      color: rgba(255, 250, 243, .72);
      max-width: 720px;
      margin: 14px 0 26px;
    }

    .site-footer {
      background: #120d19;
      color: rgba(255, 250, 243, .72);
      padding: 54px 0 28px;
      border-top: 1px solid rgba(255, 250, 243, .1);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr .8fr .8fr;
      gap: 34px;
      margin-bottom: 34px;
    }

    .footer-brand {
      color: #fffaf3;
      font-weight: 950;
      font-size: 20px;
      margin-bottom: 12px;
      letter-spacing: -.035em;
    }

    .footer-desc {
      max-width: 470px;
      margin: 0;
      color: rgba(255, 250, 243, .62);
    }

    .footer-title {
      color: #fffaf3;
      font-weight: 950;
      margin-bottom: 12px;
    }

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

    .footer-links a {
      color: rgba(255, 250, 243, .62);
      font-weight: 700;
    }

    .footer-links a:hover {
      color: var(--amber-2);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 250, 243, .1);
      font-size: 13px;
      color: rgba(255, 250, 243, .48);
    }

    .floating-cta {
      position: fixed;
      right: 22px;
      bottom: 22px;
      z-index: 900;
      display: grid;
      gap: 10px;
    }

    .floating-cta a {
      min-width: 132px;
      justify-content: center;
      box-shadow: 0 16px 36px rgba(0,0,0,.18);
    }

    .mobile-bottom-cta {
      display: none;
    }

    @media (max-width: 1024px) {
      .nav-shell {
        grid-template-columns: 1fr;
        gap: 12px;
      }

      .nav-links {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 2px;
      }

      .hero {
        padding-top: 64px;
      }

      .feature-layout,
      .demo-grid {
        grid-template-columns: 1fr;
      }

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

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

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

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

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

      .brand {
        font-size: 15px;
      }

      .nav-search {
        height: auto;
        border-radius: 22px;
        padding: 8px;
        display: grid;
        grid-template-columns: auto 1fr;
      }

      .nav-search button {
        grid-column: 1 / -1;
        width: 100%;
      }

      .anchor-links {
        justify-content: flex-start;
      }

      .hero,
      .section {
        padding: 56px 0;
      }

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

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

      .metric-row {
        gap: 8px;
      }

      .metric {
        width: calc(50% - 4px);
        justify-content: center;
      }

      .section-head {
        display: block;
      }

      .feature-card.large {
        min-height: 300px;
      }

      .cover-wall {
        grid-template-columns: 1fr;
      }

      .cover-card.tall {
        min-height: 180px;
      }

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

      .demo-toolbar {
        display: grid;
      }

      .rank-item {
        grid-template-columns: 34px 1fr;
      }

      .rank-item .tag {
        grid-column: 2;
        width: fit-content;
      }

      .cta-panel {
        padding: 30px 22px;
        border-radius: 28px;
      }

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

      .floating-cta {
        display: none;
      }

      .mobile-bottom-cta {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 950;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
        background: rgba(20, 16, 29, .94);
        border-top: 1px solid rgba(255, 250, 243, .12);
        backdrop-filter: blur(16px);
      }

      .mobile-bottom-cta .btn {
        min-height: 44px;
        border-radius: 14px;
        padding: 10px;
      }

      body {
        padding-bottom: 74px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 32px;
      }

      .hero-subtitle,
      .section-desc {
        font-size: 15px;
      }

      .metric {
        width: 100%;
      }

      .feature-card,
      .content-card,
      .evidence-card,
      .price-card,
      .category-card {
        padding: 20px;
        border-radius: 24px;
      }

      .feature-number {
        font-size: 64px;
      }

      .price-value {
        font-size: 32px;
      }

      .footer-bottom {
        display: grid;
      }
    }

/* roulang page: category1 */
:root{
      --ink:#130f1f;
      --ink-2:#1d162d;
      --plum:#30223f;
      --plum-soft:#6f5c86;
      --amber:#f0a84b;
      --amber-2:#ffcf7a;
      --mist:#b7a4d8;
      --mint:#83c7b4;
      --paper:#fbf8f2;
      --paper-2:#f2eee7;
      --card:#fffdf8;
      --text:#211b2e;
      --muted:#766d80;
      --weak:#a79faf;
      --line:rgba(35,27,48,.12);
      --line-dark:rgba(255,255,255,.13);
      --radius-sm:14px;
      --radius:22px;
      --radius-lg:32px;
      --shadow:0 18px 48px rgba(21,15,34,.12);
      --shadow-soft:0 10px 28px rgba(21,15,34,.08);
      --glow:0 0 0 4px rgba(240,168,75,.18);
      --ease:.22s ease;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      line-height:1.72;
      background:
        radial-gradient(circle at 8% 4%, rgba(183,164,216,.28), transparent 28%),
        radial-gradient(circle at 88% 12%, rgba(240,168,75,.18), transparent 30%),
        linear-gradient(180deg,#fffaf1 0%,#f6f0e8 42%,#fbf8f2 100%);
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.45;
      background-image:
        linear-gradient(rgba(19,15,31,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(19,15,31,.022) 1px, transparent 1px);
      background-size:34px 34px;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(240,168,75,.35)}

    .site-container{
      width:min(calc(100% - 36px), var(--container));
      margin:0 auto;
    }
    .section{
      padding:82px 0;
      position:relative;
    }
    .section-tight{padding:56px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(240,168,75,.28);
      border-radius:999px;
      color:#6d4d22;
      background:rgba(255,244,220,.78);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--amber),var(--mist));
      box-shadow:0 0 0 4px rgba(240,168,75,.12);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:28px;
    }
    .section-title{
      margin:12px 0 0;
      color:var(--ink);
      font-size:clamp(28px,4vw,38px);
      line-height:1.18;
      letter-spacing:-.04em;
      font-weight:900;
    }
    .section-desc{
      max-width:650px;
      margin:12px 0 0;
      color:var(--muted);
      font-size:16px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(19,15,31,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line-dark);
      box-shadow:0 12px 32px rgba(12,9,20,.18);
    }
    .nav-shell{
      min-height:78px;
      display:grid;
      grid-template-columns:auto minmax(320px,1fr) auto;
      align-items:center;
      gap:20px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:#fff8eb;
      font-weight:900;
      letter-spacing:-.03em;
      white-space:nowrap;
      font-size:18px;
    }
    .brand:hover{color:var(--amber-2);transform:translateY(-1px)}
    .brand-mark{
      width:34px;
      height:34px;
      border-radius:12px;
      background:
        radial-gradient(circle at 30% 25%,#fff4cf 0 14%,transparent 15%),
        linear-gradient(135deg,var(--amber),var(--mist));
      box-shadow:0 10px 22px rgba(240,168,75,.25);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      right:7px;
      bottom:7px;
      width:10px;
      height:10px;
      border-radius:50%;
      border:2px solid rgba(19,15,31,.72);
      background:var(--mint);
    }
    .nav-search{
      display:flex;
      align-items:center;
      gap:8px;
      width:100%;
      height:50px;
      padding:5px 5px 5px 16px;
      background:rgba(255,252,246,.1);
      border:1px solid rgba(255,255,255,.14);
      border-radius:18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .search-icon{
      color:var(--amber-2);
      font-size:22px;
      line-height:1;
      transform:translateY(-1px);
    }
    .nav-search input{
      min-width:0;
      flex:1;
      height:40px;
      border:0;
      outline:0;
      color:#fffaf0;
      background:transparent;
      box-shadow:none;
      margin:0;
      padding:0 4px;
    }
    .nav-search input::placeholder{color:rgba(255,250,240,.62)}
    .nav-search:focus-within{
      border-color:rgba(240,168,75,.72);
      box-shadow:var(--glow), inset 0 1px 0 rgba(255,255,255,.1);
    }
    .nav-search button{
      height:40px;
      border:0;
      border-radius:14px;
      padding:0 18px;
      color:#1d1426;
      font-weight:900;
      background:linear-gradient(135deg,var(--amber-2),var(--amber));
      box-shadow:0 10px 22px rgba(240,168,75,.22);
    }
    .nav-search button:hover{transform:translateY(-1px);filter:saturate(1.06)}
    .nav-search button:active{transform:translateY(0) scale(.98)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      justify-content:flex-end;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      height:38px;
      padding:0 14px;
      border-radius:999px;
      color:rgba(255,250,240,.78);
      font-size:14px;
      font-weight:800;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
    }
    .nav-links a.active{
      color:#221629;
      background:linear-gradient(135deg,var(--amber-2),var(--mist));
      box-shadow:0 10px 24px rgba(183,164,216,.22);
    }
    .anchor-bar{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(13,10,21,.42);
    }
    .anchor-links{
      display:flex;
      gap:10px;
      overflow:auto;
      scrollbar-width:none;
      padding:10px 0;
    }
    .anchor-links::-webkit-scrollbar{display:none}
    .anchor-links a{
      flex:0 0 auto;
      color:rgba(255,250,240,.68);
      font-size:13px;
      font-weight:800;
      padding:7px 13px;
      border-radius:999px;
    }
    .anchor-links a:hover,.anchor-links a.active{
      color:#fff;
      background:rgba(255,255,255,.09);
    }

    .breadcrumb-wrap{
      padding:26px 0 0;
    }
    .breadcrumb{
      margin:0;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      list-style:none;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .breadcrumb li:not(:last-child):after{
      content:"/";
      margin-left:8px;
      color:var(--weak);
    }
    .breadcrumb a:hover{color:#7b4d13}

    .category-hero{
      padding:34px 0 44px;
      color:#fff8ed;
      background:
        radial-gradient(circle at 16% 10%, rgba(240,168,75,.24), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(183,164,216,.26), transparent 34%),
        linear-gradient(135deg,var(--ink) 0%,#201735 58%,#151120 100%);
      border-bottom-left-radius:42px;
      border-bottom-right-radius:42px;
      overflow:hidden;
      position:relative;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      inset:auto -80px -180px auto;
      width:420px;
      height:420px;
      border-radius:50%;
      background:rgba(240,168,75,.12);
      filter:blur(10px);
    }
    .hero-layout{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);
      gap:34px;
      align-items:center;
      padding-top:36px;
    }
    h1{
      margin:14px 0 14px;
      font-size:clamp(31px,5.1vw,54px);
      line-height:1.08;
      letter-spacing:-.055em;
      color:#fff9ee;
      font-weight:950;
      max-width:760px;
    }
    .hero-sub{
      max-width:710px;
      margin:0;
      color:rgba(255,250,240,.76);
      font-size:17px;
    }
    .hero-search-panel{
      margin-top:26px;
      padding:12px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:24px;
      background:rgba(255,255,255,.08);
      box-shadow:0 22px 58px rgba(5,4,10,.26);
    }
    .large-search{
      display:flex;
      gap:10px;
      align-items:center;
    }
    .large-search input{
      flex:1;
      min-width:0;
      height:56px;
      margin:0;
      border:1px solid rgba(255,255,255,.13);
      border-radius:17px;
      background:rgba(255,255,255,.92);
      color:var(--text);
      padding:0 18px;
      box-shadow:none;
    }
    .large-search input:focus{
      border-color:var(--amber);
      box-shadow:var(--glow);
    }
    .large-search button,.btn-primary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border:0;
      border-radius:16px;
      color:#21152a;
      background:linear-gradient(135deg,var(--amber-2),var(--amber) 55%,#e69235);
      font-weight:950;
      box-shadow:0 14px 30px rgba(240,168,75,.24);
    }
    .large-search button{height:56px;min-width:104px}
    .btn-primary:hover,.large-search button:hover{
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(240,168,75,.32);
      color:#21152a;
    }
    .btn-primary:active,.large-search button:active{transform:translateY(0) scale(.98)}
    .btn-secondary{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 20px;
      border:1px solid rgba(49,37,65,.14);
      border-radius:16px;
      color:var(--ink);
      background:rgba(255,255,255,.72);
      font-weight:900;
    }
    .btn-secondary:hover{
      transform:translateY(-2px);
      background:#fff;
      border-color:rgba(240,168,75,.34);
      box-shadow:var(--shadow-soft);
      color:#6e4c18;
    }
    .hero-visual{
      position:relative;
      min-height:390px;
      border-radius:34px;
      padding:20px;
      background:
        linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.05)),
        radial-gradient(circle at 20% 20%,rgba(255,207,122,.22),transparent 28%);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:0 26px 80px rgba(4,3,9,.3);
      overflow:hidden;
    }
    .cover-wall{
      display:grid;
      grid-template-columns:1.05fr .8fr;
      gap:14px;
      height:100%;
    }
    .cover-tile{
      min-height:112px;
      border-radius:24px;
      background:
        linear-gradient(135deg,rgba(240,168,75,.7),rgba(183,164,216,.72)),
        linear-gradient(180deg,#3b2e4d,#1a1427);
      position:relative;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
    }
    .cover-tile:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 22% 18%,rgba(255,255,255,.34),transparent 18%),
        linear-gradient(180deg,transparent 35%,rgba(12,9,18,.62));
    }
    .cover-tile:nth-child(1){grid-row:span 2;min-height:248px}
    .cover-tile:nth-child(2){background:linear-gradient(135deg,#6e5b85,#1d162d)}
    .cover-tile:nth-child(3){background:linear-gradient(135deg,#32483f,#8d6f45)}
    .tile-label{
      position:absolute;
      left:14px;
      bottom:14px;
      right:14px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:8px;
      color:#fff;
      font-size:13px;
      font-weight:900;
      z-index:1;
    }
    .play-dot{
      width:34px;
      height:34px;
      border-radius:50%;
      background:rgba(255,255,255,.9);
      position:relative;
      flex:0 0 auto;
    }
    .play-dot:after{
      content:"";
      position:absolute;
      left:13px;
      top:9px;
      border-left:10px solid #21152a;
      border-top:7px solid transparent;
      border-bottom:7px solid transparent;
    }
    .hero-stats{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:20px;
    }
    .stat-pill{
      display:inline-flex;
      align-items:baseline;
      gap:7px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.1);
      color:rgba(255,250,240,.78);
      border:1px solid rgba(255,255,255,.11);
      font-size:13px;
      font-weight:800;
    }
    .stat-pill strong{
      color:#fff;
      font-size:17px;
      letter-spacing:-.02em;
    }

    .filter-board{
      margin-top:-32px;
      position:relative;
      z-index:2;
    }
    .filter-card{
      padding:22px;
      border-radius:28px;
      background:rgba(255,253,248,.94);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow);
    }
    .filter-top{
      display:flex;
      justify-content:space-between;
      gap:16px;
      align-items:center;
      margin-bottom:17px;
    }
    .filter-title{
      margin:0;
      font-size:20px;
      line-height:1.3;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.03em;
    }
    .sort-select{
      min-width:172px;
      height:46px;
      margin:0;
      border-radius:15px;
      border:1px solid var(--line);
      background-color:#fff;
      color:var(--text);
      box-shadow:none;
      font-weight:800;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(35,27,48,.11);
      background:#fff;
      color:#4d435b;
      font-size:13px;
      font-weight:850;
      cursor:pointer;
      user-select:none;
    }
    .tag:hover{
      transform:translateY(-1px);
      border-color:rgba(240,168,75,.35);
      color:#765018;
      box-shadow:0 8px 18px rgba(21,15,34,.06);
    }
    .tag.active{
      color:#21152a;
      background:linear-gradient(135deg,rgba(255,207,122,.85),rgba(183,164,216,.68));
      border-color:transparent;
    }

    .result-layout{
      display:grid;
      grid-template-columns:260px minmax(0,1fr);
      gap:24px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:132px;
      padding:20px;
      border-radius:26px;
      background:rgba(255,253,248,.82);
      border:1px solid rgba(35,27,48,.1);
      box-shadow:var(--shadow-soft);
    }
    .side-title{
      margin:0 0 12px;
      font-size:16px;
      font-weight:950;
      color:var(--ink);
    }
    .side-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list a{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:10px;
      padding:11px 12px;
      border-radius:16px;
      background:rgba(246,240,232,.72);
      color:#4b4258;
      font-size:14px;
      font-weight:800;
      border:1px solid transparent;
    }
    .side-list a:hover{
      background:#fff;
      border-color:rgba(240,168,75,.28);
      color:#6d4d22;
      transform:translateX(2px);
    }
    .side-list em{
      font-style:normal;
      color:var(--weak);
      font-size:12px;
    }
    .results-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      margin-bottom:16px;
      padding:0 2px;
    }
    .result-count{
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }
    .view-switch{
      display:flex;
      gap:8px;
    }
    .view-switch span{
      width:34px;
      height:30px;
      border-radius:11px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border:1px solid var(--line);
      color:#8a8094;
      background:#fff;
      font-size:13px;
      font-weight:900;
    }
    .view-switch span.active{
      color:#25182f;
      background:rgba(255,207,122,.7);
      border-color:rgba(240,168,75,.3);
    }
    .result-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .content-card{
      border-radius:27px;
      overflow:hidden;
      background:rgba(255,253,248,.9);
      border:1px solid rgba(35,27,48,.1);
      box-shadow:0 12px 30px rgba(21,15,34,.07);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .content-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow);
      border-color:rgba(240,168,75,.28);
    }
    .thumb{
      aspect-ratio:16/10;
      position:relative;
      background:
        radial-gradient(circle at 24% 20%,rgba(255,255,255,.38),transparent 18%),
        linear-gradient(135deg,#2b203d,#735f87 48%,#d79b4d);
      overflow:hidden;
    }
    .content-card:nth-child(2n) .thumb{background:linear-gradient(135deg,#1f2e2b,#766145 50%,#b7a4d8)}
    .content-card:nth-child(3n) .thumb{background:linear-gradient(135deg,#3b2635,#4f3f70 52%,#f0a84b)}
    .thumb:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px),
        linear-gradient(180deg,transparent 34%,rgba(16,11,24,.65));
      background-size:28px 28px,auto;
    }
    .thumb-badge{
      position:absolute;
      left:13px;
      top:13px;
      padding:6px 10px;
      border-radius:999px;
      color:#25182f;
      background:rgba(255,244,220,.9);
      font-size:12px;
      font-weight:950;
    }
    .thumb-action{
      position:absolute;
      right:13px;
      bottom:13px;
      width:38px;
      height:38px;
      border-radius:50%;
      background:rgba(255,255,255,.9);
      box-shadow:0 10px 22px rgba(0,0,0,.12);
    }
    .thumb-action:after{
      content:"";
      position:absolute;
      left:15px;
      top:11px;
      border-left:11px solid #20152a;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
    }
    .card-body{
      padding:17px;
    }
    .card-title{
      margin:0 0 8px;
      color:var(--ink);
      font-size:18px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .card-desc{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      min-height:46px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:7px;
      margin:13px 0 14px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(183,164,216,.18);
      color:#5d4d70;
      font-size:12px;
      font-weight:900;
      line-height:1.2;
    }
    .badge.hot{background:rgba(240,168,75,.18);color:#7c541c}
    .badge.new{background:rgba(131,199,180,.18);color:#386b5d}
    .small-cta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:10px 12px;
      border-radius:15px;
      background:rgba(246,240,232,.74);
      color:#40354e;
      font-size:13px;
      font-weight:950;
    }
    .small-cta:hover{
      background:#fff0d2;
      color:#6f4d16;
    }
    .wide-card{
      grid-column:span 2;
      display:grid;
      grid-template-columns:45% 1fr;
    }
    .wide-card .thumb{aspect-ratio:auto;min-height:230px}
    .wide-card .card-body{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:24px;
    }
    .wide-card .card-title{font-size:23px}
    .wide-card .card-desc{min-height:auto;font-size:15px}

    .load-more{
      display:flex;
      justify-content:center;
      margin-top:26px;
    }
    .load-more .btn-secondary{min-width:168px}

    .features-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .feature-card{
      padding:24px;
      border-radius:28px;
      background:rgba(255,253,248,.88);
      border:1px solid rgba(35,27,48,.1);
      box-shadow:var(--shadow-soft);
    }
    .feature-card.large{
      background:
        radial-gradient(circle at 90% 10%,rgba(240,168,75,.24),transparent 28%),
        linear-gradient(135deg,#fffdf8,#f3eadf);
    }
    .feature-number{
      color:rgba(240,168,75,.75);
      font-weight:950;
      font-size:34px;
      letter-spacing:-.05em;
      line-height:1;
      margin-bottom:16px;
    }
    .feature-card h3{
      margin:0 0 9px;
      font-size:21px;
      line-height:1.3;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.03em;
    }
    .feature-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .process-panel{
      border-radius:34px;
      padding:28px;
      background:linear-gradient(135deg,var(--ink),#221832);
      color:#fff8ed;
      box-shadow:0 22px 62px rgba(21,15,34,.18);
      overflow:hidden;
      position:relative;
    }
    .process-panel:before{
      content:"";
      position:absolute;
      right:-100px;
      top:-120px;
      width:320px;
      height:320px;
      border-radius:50%;
      background:rgba(240,168,75,.14);
      filter:blur(8px);
    }
    .process-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
      margin-top:24px;
    }
    .step-card{
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .step-dot{
      width:34px;
      height:34px;
      border-radius:13px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#20152a;
      background:linear-gradient(135deg,var(--amber-2),var(--mist));
      font-weight:950;
      margin-bottom:14px;
    }
    .step-card h3{
      margin:0 0 8px;
      font-size:18px;
      color:#fff;
      font-weight:950;
    }
    .step-card p{
      margin:0;
      color:rgba(255,250,240,.72);
      font-size:14px;
    }

    .proof-strip{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:14px;
    }
    .proof-item{
      padding:22px;
      border-radius:26px;
      background:#fffdf8;
      border:1px solid rgba(35,27,48,.1);
      box-shadow:var(--shadow-soft);
    }
    .proof-item strong{
      display:block;
      color:var(--ink);
      font-size:30px;
      line-height:1;
      letter-spacing:-.05em;
      margin-bottom:9px;
    }
    .proof-item span{
      color:var(--muted);
      font-size:14px;
      font-weight:800;
    }

    .price-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      padding:30px;
      border-radius:34px;
      background:
        radial-gradient(circle at 16% 18%,rgba(183,164,216,.22),transparent 28%),
        linear-gradient(135deg,#fffdf8,#f5eee4);
      border:1px solid rgba(35,27,48,.1);
      box-shadow:var(--shadow);
    }
    .price-card h2{
      margin:0 0 10px;
      font-size:30px;
      line-height:1.2;
      font-weight:950;
      color:var(--ink);
      letter-spacing:-.04em;
    }
    .price-card p{
      margin:0;
      color:var(--muted);
      max-width:650px;
    }
    .price-tags{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      margin-top:18px;
    }

    .faq-wrap{
      max-width:920px;
      margin:0 auto;
    }
    .accordion{
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border:1px solid rgba(35,27,48,.1);
      border-radius:20px;
      overflow:hidden;
      background:rgba(255,253,248,.9);
      box-shadow:0 10px 24px rgba(21,15,34,.06);
    }
    .accordion-title{
      border:0;
      color:var(--ink);
      font-size:16px;
      font-weight:950;
      padding:18px 52px 18px 20px;
      line-height:1.45;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(255,244,220,.74);
      color:#6c4b17;
    }
    .accordion-title:before{
      right:20px;
      color:var(--amber);
      font-weight:950;
    }
    .accordion-content{
      border:0;
      padding:0 20px 20px;
      color:var(--muted);
      background:transparent;
      font-size:15px;
    }

    .bottom-cta{
      padding:52px 0 76px;
    }
    .cta-panel{
      border-radius:36px;
      padding:34px;
      color:#fff8ed;
      background:
        radial-gradient(circle at 75% 20%,rgba(240,168,75,.24),transparent 28%),
        linear-gradient(135deg,var(--ink),#2b1f3c);
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      box-shadow:0 24px 72px rgba(21,15,34,.2);
    }
    .cta-panel h2{
      margin:0 0 9px;
      color:#fff;
      font-size:31px;
      line-height:1.18;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .cta-panel p{
      margin:0;
      color:rgba(255,250,240,.72);
      max-width:680px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .cta-actions .btn-secondary{
      color:#fff8ed;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.16);
    }
    .cta-actions .btn-secondary:hover{
      color:#fff;
      background:rgba(255,255,255,.14);
      border-color:rgba(255,255,255,.28);
    }

    .floating-cta{
      position:fixed;
      right:22px;
      bottom:22px;
      z-index:70;
      display:flex;
      flex-direction:column;
      gap:10px;
    }
    .float-btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:118px;
      height:44px;
      padding:0 16px;
      border-radius:999px;
      color:#20152a;
      background:linear-gradient(135deg,var(--amber-2),var(--amber));
      font-size:14px;
      font-weight:950;
      box-shadow:0 14px 30px rgba(21,15,34,.18);
    }
    .float-btn.secondary{
      color:#fff8ed;
      background:rgba(19,15,31,.84);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
    }
    .float-btn:hover{transform:translateY(-2px)}

    .site-footer{
      background:linear-gradient(135deg,#130f1f,#20162e);
      color:rgba(255,250,240,.74);
      padding:54px 0 26px;
      border-top:1px solid rgba(255,255,255,.1);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr .8fr;
      gap:34px;
      padding-bottom:30px;
    }
    .footer-brand{
      color:#fff8ed;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.03em;
      margin-bottom:10px;
    }
    .footer-desc{
      margin:0;
      max-width:430px;
      color:rgba(255,250,240,.62);
      font-size:14px;
    }
    .footer-title{
      color:#fff8ed;
      font-weight:950;
      margin-bottom:12px;
    }
    .footer-links{
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:rgba(255,250,240,.62);
      font-size:14px;
    }
    .footer-links a:hover{
      color:var(--amber-2);
      transform:translateX(2px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,250,240,.5);
      font-size:13px;
    }

    @media (max-width:1024px){
      .nav-shell{
        grid-template-columns:1fr;
        gap:12px;
        padding:14px 0;
      }
      .brand{justify-content:center}
      .nav-links{justify-content:center;flex-wrap:wrap}
      .hero-layout{grid-template-columns:1fr}
      .hero-visual{min-height:330px}
      .result-layout{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .side-list{grid-template-columns:repeat(3,minmax(0,1fr))}
      .result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .features-grid{grid-template-columns:1fr 1fr}
      .feature-card.large{grid-column:span 2}
      .process-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .proof-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media (max-width:768px){
      .site-container{width:min(calc(100% - 28px),var(--container))}
      .section{padding:58px 0}
      .category-hero{border-bottom-left-radius:28px;border-bottom-right-radius:28px}
      .breadcrumb-wrap{padding-top:18px}
      .hero-layout{padding-top:24px}
      .hero-search-panel{padding:10px;border-radius:20px}
      .large-search{flex-direction:column}
      .large-search input,.large-search button{width:100%}
      .section-head{display:block}
      .filter-top{display:block}
      .sort-select{width:100%;margin-top:12px}
      .tag-row{flex-wrap:nowrap;overflow:auto;padding-bottom:3px;scrollbar-width:none}
      .tag-row::-webkit-scrollbar{display:none}
      .tag{flex:0 0 auto}
      .side-list{grid-template-columns:1fr 1fr}
      .wide-card{
        grid-column:span 1;
        grid-template-columns:1fr;
      }
      .wide-card .thumb{aspect-ratio:16/10;min-height:0}
      .features-grid{grid-template-columns:1fr}
      .feature-card.large{grid-column:auto}
      .price-card{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr;padding:26px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
      .floating-cta{
        left:12px;
        right:12px;
        bottom:12px;
        flex-direction:row;
      }
      .float-btn{flex:1;min-width:0}
      body{padding-bottom:58px}
    }

    @media (max-width:520px){
      .brand{font-size:15px;white-space:normal;text-align:center}
      .brand-mark{width:30px;height:30px;border-radius:10px}
      .nav-search{height:auto;min-height:48px;padding:5px}
      .nav-search button{padding:0 13px}
      .nav-links{overflow:auto;justify-content:flex-start;flex-wrap:nowrap;scrollbar-width:none}
      .nav-links::-webkit-scrollbar{display:none}
      .nav-links a{flex:0 0 auto}
      h1{font-size:32px}
      .hero-sub{font-size:15px}
      .hero-visual{min-height:280px;padding:14px;border-radius:26px}
      .cover-wall{gap:10px}
      .cover-tile{border-radius:18px;min-height:96px}
      .cover-tile:nth-child(1){min-height:210px}
      .filter-card{padding:16px;border-radius:22px}
      .result-grid{grid-template-columns:1fr}
      .side-list{grid-template-columns:1fr}
      .process-grid{grid-template-columns:1fr}
      .proof-strip{grid-template-columns:1fr}
      .proof-item strong{font-size:26px}
      .cta-actions .btn-primary,.cta-actions .btn-secondary{width:100%}
    }