/* roulang page: index */
:root {
      --bg: #090b12;
      --bg-2: #11131d;
      --panel: #171a26;
      --panel-2: #1e2230;
      --panel-3: #222638;
      --text: #f4f7fb;
      --muted: #aab3c5;
      --soft: #7d879b;
      --line: rgba(255, 255, 255, .09);
      --line-strong: rgba(49, 246, 184, .34);
      --primary: #31f6b8;
      --primary-2: #20e0d0;
      --pink: #ff4fa3;
      --violet: #8a5cff;
      --amber: #ffb347;
      --danger: #ff6b7a;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 22px 60px rgba(0, 0, 0, .38);
      --glow: 0 0 28px rgba(49, 246, 184, .16);
      --container: 1220px;
      --nav-h: 78px;
      --ease: 180ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      color: var(--text);
      line-height: 1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(138, 92, 255, .18), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(255, 79, 163, .12), transparent 28%),
        linear-gradient(180deg, #090b12 0%, #11131d 46%, #090b12 100%);
      padding-bottom: 92px;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      z-index: -1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 46px 46px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.25), transparent);
      pointer-events: none;
    }

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

    a:hover,
    a:focus {
      color: var(--primary);
      outline: none;
    }

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

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

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

    .section-tight {
      padding: 72px 0;
    }

    .section-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-weight: 800;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .section-kicker::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 99px;
      background: var(--primary);
      box-shadow: 0 0 16px rgba(49, 246, 184, .7);
    }

    .section-title {
      margin: 0;
      font-size: clamp(28px, 4vw, 38px);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    .section-desc {
      max-width: 760px;
      margin: 16px 0 0;
      color: var(--muted);
      font-size: 17px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(9, 11, 18, .88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }

    .center-nav {
      min-height: var(--nav-h);
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 20px;
    }

    .nav-side {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .nav-side-left {
      justify-content: flex-start;
    }

    .nav-side-right {
      justify-content: flex-end;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 42px;
      padding: 0 14px;
      color: #dce4f3;
      font-size: 15px;
      font-weight: 700;
      border-radius: 999px;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 5px;
      height: 2px;
      background: linear-gradient(90deg, var(--primary), var(--pink));
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--ease);
    }

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

    .nav-link.active {
      color: var(--primary);
      background: rgba(49, 246, 184, .08);
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 10px 16px;
      border: 1px solid rgba(49, 246, 184, .28);
      border-radius: 999px;
      background: linear-gradient(135deg, rgba(49, 246, 184, .11), rgba(138, 92, 255, .12));
      box-shadow: var(--glow);
      color: #fff;
      font-weight: 900;
      white-space: nowrap;
    }

    .brand-mark {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      background:
        linear-gradient(135deg, var(--primary), var(--pink));
      box-shadow: 0 0 18px rgba(49, 246, 184, .45);
      position: relative;
      flex: 0 0 auto;
    }

    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 6px;
      border: 1px solid rgba(9, 11, 18, .75);
      border-radius: 5px;
    }

    .nav-cta {
      border: 1px solid rgba(49, 246, 184, .28);
      background: rgba(49, 246, 184, .08);
    }

    .mobile-bar {
      display: none;
      min-height: 66px;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .menu-button {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--text);
      display: grid;
      place-items: center;
    }

    .menu-button span {
      width: 18px;
      height: 2px;
      background: currentColor;
      position: relative;
      display: block;
    }

    .menu-button span::before,
    .menu-button span::after {
      content: "";
      position: absolute;
      left: 0;
      width: 18px;
      height: 2px;
      background: currentColor;
    }

    .menu-button span::before {
      top: -6px;
    }

    .menu-button span::after {
      top: 6px;
    }

    .mobile-menu {
      display: none;
      border-top: 1px solid var(--line);
      padding: 12px 0 18px;
    }

    .mobile-menu.is-open {
      display: block;
    }

    .mobile-menu a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 48px;
      padding: 10px 14px;
      border-radius: 12px;
      color: #dfe7f5;
      font-weight: 750;
    }

    .mobile-menu a.active {
      color: var(--primary);
      background: rgba(49, 246, 184, .08);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 999px;
      border: 1px solid transparent;
      color: #071018;
      font-weight: 850;
      font-size: 16px;
      line-height: 1;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease), border-color var(--ease);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-2) 45%, var(--pink));
      box-shadow: 0 14px 36px rgba(49, 246, 184, .22);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      color: #041015;
      transform: translateY(-2px);
      box-shadow: 0 18px 46px rgba(49, 246, 184, .32);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, .04);
      border-color: rgba(49, 246, 184, .32);
    }

    .btn-secondary:hover,
    .btn-secondary:focus {
      color: var(--primary);
      background: rgba(49, 246, 184, .12);
      transform: translateY(-2px);
    }

    .chip,
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 30px;
      padding: 5px 11px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: rgba(255, 255, 255, .045);
      color: #dfe7f5;
      font-size: 13px;
      font-weight: 750;
    }

    .chip-hot {
      border-color: rgba(255, 79, 163, .32);
      color: #ffd8eb;
      background: rgba(255, 79, 163, .10);
    }

    .chip-ok {
      border-color: rgba(49, 246, 184, .32);
      color: var(--primary);
      background: rgba(49, 246, 184, .09);
    }

    .hero {
      padding: 44px 0 72px;
    }

    .hero-bento {
      display: grid;
      grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
      grid-template-rows: auto auto;
      gap: 18px;
      min-height: 560px;
    }

    .bento-main,
    .bento-card,
    .hero-cta-strip,
    .panel-card {
      position: relative;
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.018)),
        var(--panel);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .bento-main {
      grid-row: span 2;
      padding: clamp(28px, 5vw, 54px);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 560px;
    }

    .bento-main::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(120deg, rgba(49,246,184,.22), transparent 30%),
        linear-gradient(315deg, rgba(255,79,163,.14), transparent 34%);
      pointer-events: none;
    }

    .scan-lines {
      position: absolute;
      inset: 0;
      background: repeating-linear-gradient(180deg, rgba(255,255,255,.035) 0 1px, transparent 1px 12px);
      opacity: .22;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 760px;
    }

    .hero h1 {
      margin: 18px 0 18px;
      font-size: clamp(34px, 5.5vw, 58px);
      line-height: 1.13;
      font-weight: 900;
      letter-spacing: 0;
    }

    .hero-lead {
      max-width: 720px;
      color: #c9d3e7;
      font-size: 18px;
      margin: 0 0 28px;
    }

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

    .hero-data {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      position: relative;
      z-index: 1;
      margin-top: 34px;
    }

    .data-pill {
      padding: 14px;
      border-radius: 14px;
      background: rgba(9, 11, 18, .45);
      border: 1px solid var(--line);
      min-width: 0;
    }

    .data-pill strong {
      display: block;
      color: var(--primary);
      font-size: 22px;
      line-height: 1.1;
    }

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

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

    .bento-card {
      padding: 22px;
      min-height: 180px;
    }

    .bento-card::before,
    .task-card::before,
    .list-item::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--violet), var(--pink));
      transform-origin: left;
      transition: transform var(--ease);
    }

    .bento-card:hover::before,
    .task-card:hover::before,
    .list-item:hover::before {
      transform: scaleX(.72);
    }

    .status-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid var(--line);
    }

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

    .status-dot {
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: var(--primary);
      box-shadow: 0 0 14px rgba(49, 246, 184, .8);
      flex: 0 0 auto;
    }

    .status-name {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #e8eefb;
      font-weight: 750;
    }

    .status-meta {
      color: var(--soft);
      font-size: 13px;
      white-space: nowrap;
    }

    .hero-cta-strip {
      grid-column: 1 / -1;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 18px 22px;
      background:
        linear-gradient(90deg, rgba(49,246,184,.12), rgba(255,79,163,.08)),
        var(--panel-2);
    }

    .strip-title {
      margin: 0;
      font-size: 18px;
      font-weight: 850;
    }

    .strip-desc {
      margin: 3px 0 0;
      color: var(--muted);
      font-size: 14px;
    }

    .task-line {
      position: relative;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
      margin-top: 34px;
    }

    .task-line::before {
      content: "";
      position: absolute;
      left: 10%;
      right: 10%;
      top: 34px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(49,246,184,.45), rgba(255,79,163,.38), transparent);
    }

    .task-card {
      position: relative;
      padding: 24px;
      border-radius: var(--radius);
      background: var(--panel);
      border: 1px solid var(--line);
      box-shadow: var(--shadow);
      min-height: 236px;
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .task-card:nth-child(2) {
      transform: translateY(-14px);
      border-color: rgba(49,246,184,.28);
      background: linear-gradient(180deg, rgba(49,246,184,.06), rgba(255,255,255,.025)), var(--panel);
    }

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

    .task-card:nth-child(2):hover {
      transform: translateY(-19px);
    }

    .task-num {
      width: 42px;
      height: 42px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #071018;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--amber));
      margin-bottom: 18px;
    }

    .task-card h3,
    .panel-card h3,
    .material-card h3,
    .quote-card h3,
    .list-item h3 {
      margin: 0 0 10px;
      font-size: 20px;
      line-height: 1.35;
      font-weight: 850;
    }

    .task-card p,
    .panel-card p,
    .material-card p,
    .quote-card p,
    .list-item p {
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .energy-bar {
      height: 7px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
      margin-top: 20px;
    }

    .energy-bar span {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--primary), var(--pink));
      width: 68%;
      transition: width var(--ease);
    }

    .task-card:hover .energy-bar span {
      width: 92%;
    }

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

    .panel-card {
      padding: 26px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .metric {
      padding: 16px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .metric strong {
      display: block;
      color: var(--primary);
      font-size: 28px;
      line-height: 1.1;
      margin-bottom: 4px;
    }

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

    .matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 20px;
    }

    .matrix a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      min-height: 76px;
      padding: 16px;
      border-radius: 14px;
      background: rgba(9,11,18,.48);
      border: 1px solid var(--line);
      font-weight: 800;
    }

    .matrix a:hover {
      border-color: var(--line-strong);
      background: rgba(49,246,184,.08);
      transform: translateY(-2px);
    }

    .materials {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 22px;
      margin-top: 34px;
    }

    .material-card {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: var(--radius);
      padding: 22px;
      min-height: 170px;
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .material-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255,79,163,.28);
      box-shadow: var(--shadow);
    }

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

    .mini-row {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .mini-index {
      width: 30px;
      height: 30px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: rgba(49,246,184,.12);
      color: var(--primary);
      font-weight: 900;
      flex: 0 0 auto;
    }

    .mini-row strong {
      display: block;
      line-height: 1.35;
      margin-bottom: 4px;
    }

    .mini-row span {
      display: block;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

    .news-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 340px;
      gap: 22px;
      margin-top: 34px;
    }

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

    .list-item {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 18px;
      align-items: center;
      padding: 22px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }

    .list-item:hover {
      transform: translateY(-3px);
      border-color: var(--line-strong);
      box-shadow: var(--shadow);
    }

    .list-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 12px;
    }

    .side-stack {
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .recommend {
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: linear-gradient(180deg, rgba(255,79,163,.08), rgba(255,255,255,.025)), var(--panel);
    }

    .recommend h3 {
      margin: 0 0 10px;
      font-size: 19px;
      font-weight: 850;
    }

    .recommend ul {
      list-style: none;
      margin: 14px 0 0;
      padding: 0;
      display: grid;
      gap: 10px;
    }

    .recommend li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid var(--line);
      color: #dfe7f5;
      font-weight: 700;
      font-size: 14px;
    }

    .recommend li:last-child a {
      border-bottom: 0;
    }

    .scene-board {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 22px;
      margin-top: 34px;
    }

    .console-panel {
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: #0e111b;
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .console-top {
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 18px;
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

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

    .console-dots span {
      width: 9px;
      height: 9px;
      border-radius: 99px;
      background: var(--soft);
    }

    .console-dots span:nth-child(1) {
      background: var(--pink);
    }

    .console-dots span:nth-child(2) {
      background: var(--amber);
    }

    .console-dots span:nth-child(3) {
      background: var(--primary);
    }

    .console-body {
      padding: 24px;
    }

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

    .check-list li {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: rgba(255,255,255,.03);
    }

    .check-icon {
      width: 24px;
      height: 24px;
      border-radius: 8px;
      background: rgba(49,246,184,.14);
      color: var(--primary);
      display: grid;
      place-items: center;
      font-weight: 900;
      flex: 0 0 auto;
    }

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

    .quote-wall {
      display: grid;
      grid-template-columns: 1fr .9fr 1.1fr;
      gap: 16px;
      margin-top: 34px;
      align-items: start;
    }

    .quote-card {
      padding: 20px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: var(--panel);
    }

    .quote-card:nth-child(2) {
      margin-top: 28px;
      background: linear-gradient(180deg, rgba(49,246,184,.07), rgba(255,255,255,.025)), var(--panel);
    }

    .quote-card:nth-child(3) {
      margin-top: 10px;
    }

    .quote-meta {
      margin-top: 16px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 850;
    }

    .compare-wrap {
      margin-top: 34px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--panel);
      box-shadow: var(--shadow);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr;
    }

    .compare-card {
      padding: 24px;
      border-right: 1px solid var(--line);
      min-height: 250px;
    }

    .compare-card:last-child {
      border-right: 0;
    }

    .compare-card.recommend-level {
      background: linear-gradient(180deg, rgba(49,246,184,.08), rgba(255,79,163,.04));
    }

    .compare-card h3 {
      margin: 0 0 10px;
      font-size: 21px;
      font-weight: 850;
    }

    .compare-card ul {
      list-style: none;
      padding: 0;
      margin: 18px 0 0;
      display: grid;
      gap: 10px;
      color: var(--muted);
      font-size: 14px;
    }

    .compare-card li::before {
      content: "✓";
      color: var(--primary);
      margin-right: 8px;
      font-weight: 900;
    }

    .faq-wrap {
      margin-top: 34px;
    }

    .accordion {
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--line);
      border-radius: 14px;
      overflow: hidden;
      background: var(--panel);
      transition: border-color var(--ease), box-shadow var(--ease);
    }

    .accordion-item.is-active {
      border-color: var(--line-strong);
      box-shadow: var(--glow);
    }

    .accordion-title {
      min-height: 56px;
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 48px 16px 18px;
      color: var(--text);
      font-size: 16px;
      font-weight: 850;
      border: 0;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--primary);
      background: rgba(49,246,184,.06);
    }

    .accordion-title::before {
      right: 18px;
      color: var(--primary);
      font-size: 22px;
      margin-top: -15px;
    }

    .faq-no {
      width: 28px;
      height: 28px;
      display: inline-grid;
      place-items: center;
      border-radius: 9px;
      background: rgba(49,246,184,.11);
      color: var(--primary);
      flex: 0 0 auto;
      font-size: 13px;
    }

    .accordion-content {
      padding: 0 18px 18px 58px;
      color: var(--muted);
      background: transparent;
      border: 0;
      line-height: 1.8;
    }

    .join-panel {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 24px;
      align-items: center;
      padding: 34px;
      border-radius: 24px;
      border: 1px solid rgba(49,246,184,.22);
      background:
        linear-gradient(120deg, rgba(49,246,184,.14), transparent 38%),
        linear-gradient(300deg, rgba(255,79,163,.12), transparent 42%),
        var(--panel-2);
      box-shadow: var(--shadow), var(--glow);
    }

    .join-panel h2 {
      margin: 0 0 10px;
      font-size: clamp(26px, 4vw, 38px);
      line-height: 1.2;
      font-weight: 900;
    }

    .join-panel p {
      margin: 0;
      color: var(--muted);
      max-width: 740px;
    }

    .site-footer {
      position: relative;
      padding: 52px 0 34px;
      border-top: 1px solid var(--line);
      background: #070910;
    }

    .site-footer::before,
    .fixed-cta::before {
      content: "";
      position: absolute;
      inset: 0 0 auto;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--primary), var(--pink), transparent);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .85fr;
      gap: 28px;
    }

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

    .footer-text {
      color: var(--muted);
      margin: 0;
      max-width: 480px;
      font-size: 14px;
    }

    .footer-col h3 {
      margin: 0 0 12px;
      font-size: 16px;
      font-weight: 850;
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: grid;
      gap: 8px;
    }

    .footer-col a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--primary);
    }

    .copyright {
      margin-top: 30px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--soft);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 14px;
      z-index: 60;
      transform: translateX(-50%);
      width: min(calc(100% - 28px), 1060px);
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(9, 11, 18, .92);
      backdrop-filter: blur(16px);
      box-shadow: 0 -16px 46px rgba(0,0,0,.36);
      overflow: hidden;
    }

    .fixed-cta-inner {
      display: grid;
      grid-template-columns: 1fr auto auto;
      gap: 16px;
      align-items: center;
      padding: 12px 14px 12px 18px;
    }

    .fixed-cta strong {
      display: block;
      line-height: 1.35;
    }

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

    .fixed-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: center;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        scroll-behavior: auto !important;
      }
    }

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

      .center-nav {
        display: none;
      }

      .mobile-bar {
        display: flex;
      }

      .hero-bento,
      .highlight-grid,
      .materials,
      .scene-board,
      .news-layout {
        grid-template-columns: 1fr;
      }

      .bento-main {
        min-height: 500px;
      }

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

      .task-line {
        gap: 16px;
      }

      .news-layout {
        gap: 18px;
      }

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

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

      .compare-card {
        border-right: 0;
        border-bottom: 1px solid var(--line);
      }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 84px;
      }

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

      .section {
        padding: 64px 0;
      }

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

      .hero {
        padding: 26px 0 54px;
      }

      .brand-logo {
        max-width: calc(100vw - 96px);
        overflow-wrap: anywhere;
        white-space: normal;
        line-height: 1.25;
        border-radius: 16px;
      }

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

      .bento-main {
        min-height: auto;
        padding: 26px;
      }

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

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

      .btn {
        width: 100%;
        min-height: 50px;
        padding: 0 16px;
      }

      .hero-data {
        grid-template-columns: 1fr;
        margin-top: 24px;
      }

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

      .task-line::before {
        left: 21px;
        right: auto;
        top: 0;
        bottom: 0;
        width: 1px;
        height: auto;
        background: linear-gradient(180deg, rgba(49,246,184,.48), rgba(255,79,163,.28), transparent);
      }

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

      .metric-grid,
      .matrix,
      .quote-wall {
        grid-template-columns: 1fr;
      }

      .quote-card:nth-child(2),
      .quote-card:nth-child(3) {
        margin-top: 0;
      }

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

      .join-panel {
        grid-template-columns: 1fr;
        padding: 24px;
      }

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

      .fixed-cta {
        bottom: 8px;
        border-radius: 16px;
      }

      .fixed-cta-inner {
        grid-template-columns: 1fr auto;
        gap: 10px;
        padding: 10px 10px 10px 14px;
      }

      .fixed-tags {
        display: none;
      }

      .fixed-cta .btn {
        width: auto;
        min-height: 44px;
        padding: 0 15px;
        font-size: 14px;
      }

      .fixed-cta span {
        display: none;
      }

      .accordion-title {
        padding-left: 14px;
        font-size: 15px;
      }

      .accordion-content {
        padding-left: 14px;
      }

      .faq-no {
        display: none;
      }
    }

    @media (max-width: 520px) {
      .section-title {
        font-size: 26px;
      }

      .hero h1 {
        font-size: 32px;
      }

      .bento-card,
      .panel-card,
      .material-card,
      .task-card,
      .list-item {
        border-radius: 16px;
        padding: 18px;
      }

      .hero-cta-strip {
        padding: 18px;
      }

      .status-row {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #090b12;
      --bg-2: #11131d;
      --panel: #171a26;
      --panel-2: #1e2230;
      --panel-3: #222638;
      --text: #f4f7fb;
      --muted: #aab4c5;
      --weak: #788397;
      --line: rgba(255,255,255,.09);
      --line-strong: rgba(32,224,208,.38);
      --cyan: #20e0d0;
      --green: #31f6b8;
      --purple: #8a5cff;
      --pink: #ff4fa3;
      --amber: #ffb347;
      --danger: #ff6b8a;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 22px 56px rgba(0,0,0,.42);
      --glow: 0 0 34px rgba(32,224,208,.16);
      --container: 1220px;
      --header-h: 78px;
      --ease: 200ms ease-out;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      margin: 0;
      min-width: 320px;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
      line-height: 1.75;
      background:
        radial-gradient(circle at 16% 10%, rgba(138,92,255,.18), transparent 28%),
        radial-gradient(circle at 82% 14%, rgba(32,224,208,.14), transparent 30%),
        linear-gradient(180deg, #090b12 0%, #11131d 44%, #090b12 100%);
      padding-bottom: 96px;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .24;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size: 44px 44px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 74%);
      z-index: -1;
    }

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

    a:hover,
    a:focus {
      color: var(--cyan);
      outline: none;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

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

    :focus-visible {
      outline: 3px solid rgba(49,246,184,.55);
      outline-offset: 3px;
      border-radius: 10px;
    }

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      min-height: var(--header-h);
      border-bottom: 1px solid rgba(255,255,255,.08);
      background: rgba(9,11,18,.86);
      backdrop-filter: blur(16px);
      box-shadow: 0 10px 32px rgba(0,0,0,.26);
    }

    .header-shell {
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .center-nav {
      width: 100%;
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 24px;
    }

    .nav-side {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-side-left {
      justify-content: flex-start;
    }

    .nav-side-right {
      justify-content: flex-end;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      min-height: 42px;
      align-items: center;
      justify-content: center;
      padding: 0 14px;
      color: #d6deea;
      font-size: 15px;
      font-weight: 700;
      border: 1px solid transparent;
      border-radius: 999px;
      white-space: nowrap;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 3px;
      height: 2px;
      transform: scaleX(0);
      transform-origin: center;
      border-radius: 999px;
      background: linear-gradient(90deg, var(--cyan), var(--pink));
      transition: transform var(--ease);
    }

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

    .nav-link.active {
      color: var(--cyan);
      border-color: rgba(32,224,208,.28);
      background: rgba(32,224,208,.08);
    }

    .nav-cta {
      border-color: rgba(255,255,255,.12);
      background: rgba(255,255,255,.04);
    }

    .nav-cta:hover {
      background: rgba(32,224,208,.12);
      border-color: rgba(32,224,208,.35);
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 11px;
      color: #fff;
      font-weight: 850;
      line-height: 1.2;
      letter-spacing: 0;
    }

    .brand-logo {
      justify-self: center;
      min-height: 50px;
      padding: 8px 14px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 999px;
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
      box-shadow: inset 0 0 0 1px rgba(32,224,208,.08), 0 10px 32px rgba(0,0,0,.28);
      font-size: 17px;
      white-space: nowrap;
    }

    .brand-mark {
      width: 18px;
      height: 18px;
      flex: 0 0 18px;
      border-radius: 6px;
      background:
        linear-gradient(135deg, var(--cyan), var(--green) 36%, var(--pink) 72%, var(--amber));
      box-shadow: 0 0 18px rgba(32,224,208,.5);
      transform: skew(-8deg);
    }

    .mobile-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 12px;
      color: var(--text);
      background: rgba(255,255,255,.05);
    }

    .mobile-toggle span,
    .mobile-toggle span::before,
    .mobile-toggle span::after {
      display: block;
      width: 19px;
      height: 2px;
      border-radius: 999px;
      background: currentColor;
      transition: transform var(--ease), opacity var(--ease);
    }

    .mobile-toggle span {
      position: relative;
    }

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

    .mobile-toggle span::before {
      top: -7px;
    }

    .mobile-toggle span::after {
      top: 7px;
    }

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

    .mobile-toggle.is-open span::before {
      transform: translateY(7px) rotate(90deg);
    }

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

    .section {
      padding: 86px 0;
    }

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

    .section-head {
      max-width: 790px;
      margin-bottom: 30px;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 5px 11px;
      border: 1px solid rgba(32,224,208,.28);
      border-radius: 999px;
      color: var(--cyan);
      background: rgba(32,224,208,.08);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 16px rgba(49,246,184,.75);
    }

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

    h1 {
      margin-bottom: 18px;
      font-size: clamp(32px, 5vw, 52px);
      line-height: 1.14;
      font-weight: 850;
      letter-spacing: 0;
    }

    h2 {
      margin-bottom: 14px;
      font-size: clamp(25px, 3.4vw, 36px);
      line-height: 1.2;
      font-weight: 820;
      letter-spacing: 0;
    }

    h3 {
      margin-bottom: 10px;
      font-size: 19px;
      line-height: 1.35;
      font-weight: 800;
      letter-spacing: 0;
    }

    p {
      color: var(--muted);
    }

    .lead {
      max-width: 710px;
      margin-bottom: 24px;
      color: #c7d0df;
      font-size: 17px;
    }

    .btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .energy-btn,
    .ghost-btn {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 0 20px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 800;
      line-height: 1;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .energy-btn {
      color: #071014;
      background: linear-gradient(135deg, var(--green), var(--cyan) 42%, var(--amber));
      box-shadow: 0 16px 38px rgba(32,224,208,.24);
    }

    .energy-btn:hover,
    .energy-btn:focus {
      color: #071014;
      transform: translateY(-2px);
      box-shadow: 0 20px 48px rgba(32,224,208,.34);
      filter: brightness(1.05);
    }

    .ghost-btn {
      color: var(--text);
      border-color: rgba(32,224,208,.34);
      background: rgba(32,224,208,.06);
    }

    .ghost-btn:hover,
    .ghost-btn:focus {
      color: var(--cyan);
      background: rgba(32,224,208,.13);
      border-color: rgba(32,224,208,.55);
      transform: translateY(-2px);
    }

    .category-hero {
      position: relative;
      padding: 54px 0 42px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255,255,255,.07);
      background:
        linear-gradient(120deg, rgba(32,224,208,.08), transparent 34%),
        linear-gradient(300deg, rgba(255,79,163,.10), transparent 34%);
    }

    .category-hero::after {
      content: "";
      position: absolute;
      inset: auto -10% -80px -10%;
      height: 170px;
      pointer-events: none;
      background: linear-gradient(90deg, transparent, rgba(32,224,208,.12), rgba(255,79,163,.10), transparent);
      transform: skewY(-4deg);
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      align-items: center;
    }

    .hero-copy {
      padding: 22px 0;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
      margin-top: 24px;
    }

    .metric-chip {
      min-height: 78px;
      padding: 13px 14px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: var(--radius-sm);
      background: rgba(23,26,38,.82);
      box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
    }

    .metric-chip strong {
      display: block;
      color: var(--green);
      font-size: 22px;
      line-height: 1.1;
    }

    .metric-chip span {
      display: block;
      margin-top: 4px;
      color: var(--weak);
      font-size: 13px;
    }

    .status-panel {
      position: relative;
      min-height: 290px;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 24px;
      background:
        linear-gradient(145deg, rgba(30,34,48,.96), rgba(17,19,29,.96)),
        linear-gradient(135deg, rgba(32,224,208,.16), rgba(255,79,163,.10));
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      transform: rotate(-1.3deg);
    }

    .status-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      padding: 1px;
      border-radius: inherit;
      background: linear-gradient(135deg, rgba(32,224,208,.54), transparent 36%, rgba(255,79,163,.45));
      mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      mask-composite: exclude;
      pointer-events: none;
    }

    .status-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 18px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .status-title {
      color: #fff;
      font-weight: 850;
    }

    .status-live {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-size: 13px;
      font-weight: 800;
    }

    .status-live::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 16px rgba(49,246,184,.8);
    }

    .panel-row {
      display: grid;
      grid-template-columns: 88px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 13px 0;
      border-bottom: 1px solid rgba(255,255,255,.07);
    }

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

    .panel-label {
      color: var(--weak);
      font-size: 13px;
      font-weight: 800;
    }

    .panel-main {
      min-width: 0;
      color: #e9eef6;
      font-weight: 750;
      overflow-wrap: anywhere;
    }

    .panel-tag {
      padding: 4px 9px;
      border-radius: 999px;
      color: #071014;
      background: var(--green);
      font-size: 12px;
      font-weight: 850;
      white-space: nowrap;
    }

    .energy-line {
      height: 7px;
      margin-top: 18px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }

    .energy-line span {
      display: block;
      height: 100%;
      width: 76%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--green), var(--cyan), var(--pink));
      box-shadow: 0 0 18px rgba(32,224,208,.55);
    }

    .filter-band {
      position: sticky;
      top: var(--header-h);
      z-index: 40;
      padding: 16px 0;
      border-top: 1px solid rgba(255,255,255,.06);
      border-bottom: 1px solid rgba(255,255,255,.08);
      background: rgba(9,11,18,.88);
      backdrop-filter: blur(14px);
    }

    .filter-scroll {
      display: flex;
      gap: 10px;
      overflow-x: auto;
      padding-bottom: 2px;
      scrollbar-width: thin;
      scrollbar-color: rgba(32,224,208,.35) transparent;
    }

    .filter-chip {
      flex: 0 0 auto;
      display: inline-flex;
      min-height: 40px;
      align-items: center;
      justify-content: center;
      padding: 0 15px;
      border: 1px solid rgba(255,255,255,.11);
      border-radius: 999px;
      color: #d9e2ee;
      background: rgba(23,26,38,.82);
      font-size: 14px;
      font-weight: 800;
    }

    .filter-chip:hover {
      border-color: rgba(32,224,208,.38);
      background: rgba(32,224,208,.10);
      color: var(--cyan);
    }

    .filter-chip.active {
      color: #071014;
      border-color: transparent;
      background: linear-gradient(135deg, var(--green), var(--cyan));
      box-shadow: 0 12px 24px rgba(32,224,208,.18);
    }

    .content-layout {
      align-items: flex-start;
    }

    .task-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }

    .task-card {
      position: relative;
      min-height: 238px;
      padding: 22px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius);
      background:
        linear-gradient(180deg, rgba(255,255,255,.045), transparent 26%),
        var(--panel);
      box-shadow: 0 18px 42px rgba(0,0,0,.28);
      overflow: hidden;
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .task-card::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 4px;
      background: linear-gradient(90deg, var(--green), var(--cyan), var(--pink));
      opacity: .82;
      transform-origin: left;
      transform: scaleX(.68);
      transition: transform var(--ease), opacity var(--ease);
    }

    .task-card:nth-child(2n) {
      background:
        linear-gradient(140deg, rgba(138,92,255,.10), transparent 34%),
        var(--panel-2);
    }

    .task-card:nth-child(3n) {
      min-height: 262px;
    }

    .task-card:hover {
      transform: translateY(-3px);
      border-color: rgba(32,224,208,.36);
      background-color: #1c2030;
      box-shadow: 0 22px 52px rgba(0,0,0,.34), 0 0 28px rgba(32,224,208,.10);
    }

    .task-card:hover::before {
      opacity: 1;
      transform: scaleX(1);
    }

    .task-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 15px;
    }

    .task-no {
      display: inline-flex;
      width: 38px;
      height: 38px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      color: #071014;
      background: linear-gradient(135deg, var(--green), var(--cyan));
      font-weight: 900;
      box-shadow: 0 10px 26px rgba(32,224,208,.22);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 3px 9px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.12);
      color: #dbe5f2;
      background: rgba(255,255,255,.05);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .badge.hot {
      color: #180b12;
      border-color: transparent;
      background: linear-gradient(135deg, var(--amber), var(--pink));
    }

    .task-card h3 {
      color: #fff;
    }

    .task-card p {
      display: -webkit-box;
      min-height: 82px;
      margin-bottom: 16px;
      overflow: hidden;
      color: #aeb8c9;
      font-size: 15px;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
    }

    .meta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 16px;
    }

    .meta {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--weak);
      font-size: 12px;
      font-weight: 750;
    }

    .meta::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--cyan);
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      color: var(--green);
      font-weight: 850;
    }

    .text-link::after {
      content: "›";
      font-size: 20px;
      line-height: 1;
      transition: transform var(--ease);
    }

    .text-link:hover::after {
      transform: translateX(3px);
    }

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

    .side-panel,
    .demo-panel,
    .proof-card,
    .cta-panel {
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius);
      background: rgba(23,26,38,.88);
      box-shadow: 0 18px 42px rgba(0,0,0,.25);
    }

    .side-panel {
      padding: 20px;
    }

    .side-panel h3 {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #fff;
    }

    .side-panel h3::before {
      content: "";
      width: 9px;
      height: 18px;
      border-radius: 999px;
      background: linear-gradient(180deg, var(--green), var(--pink));
      box-shadow: 0 0 16px rgba(32,224,208,.3);
    }

    .quick-list {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .quick-list li {
      display: flex;
      gap: 10px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255,255,255,.07);
      color: #c9d3e2;
      font-size: 14px;
    }

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

    .quick-list span {
      flex: 0 0 auto;
      color: var(--cyan);
      font-weight: 900;
    }

    .mini-progress {
      display: grid;
      gap: 14px;
      margin-top: 12px;
    }

    .progress-item strong {
      display: flex;
      justify-content: space-between;
      gap: 10px;
      color: #e8eef7;
      font-size: 14px;
    }

    .progress-item strong em {
      color: var(--green);
      font-style: normal;
    }

    .bar {
      height: 7px;
      margin-top: 7px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
      overflow: hidden;
    }

    .bar i {
      display: block;
      height: 100%;
      border-radius: inherit;
      background: linear-gradient(90deg, var(--green), var(--cyan));
      box-shadow: 0 0 16px rgba(32,224,208,.42);
    }

    .demo-panel {
      padding: 24px;
      overflow: hidden;
      background:
        linear-gradient(135deg, rgba(32,224,208,.08), transparent 38%),
        rgba(23,26,38,.88);
    }

    .demo-screen {
      min-height: 330px;
      padding: 20px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 18px;
      background: #11131d;
      box-shadow: inset 0 0 0 1px rgba(32,224,208,.06);
    }

    .screen-head {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255,255,255,.08);
      color: var(--weak);
      font-size: 13px;
      font-weight: 800;
    }

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

    .matrix-item {
      min-height: 92px;
      padding: 14px;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: 14px;
      background: rgba(255,255,255,.04);
    }

    .matrix-item strong {
      display: block;
      color: #fff;
      font-size: 15px;
    }

    .matrix-item span {
      display: block;
      margin-top: 5px;
      color: var(--weak);
      font-size: 13px;
      line-height: 1.55;
    }

    .step-stack {
      display: grid;
      gap: 13px;
    }

    .step-card {
      position: relative;
      padding: 17px 17px 17px 50px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius-sm);
      background: rgba(30,34,48,.82);
      transition: border-color var(--ease), transform var(--ease), background var(--ease);
    }

    .step-card:hover {
      transform: translateX(3px);
      border-color: rgba(32,224,208,.34);
      background: rgba(34,38,56,.92);
    }

    .step-card b {
      position: absolute;
      left: 16px;
      top: 17px;
      display: inline-flex;
      width: 24px;
      height: 24px;
      align-items: center;
      justify-content: center;
      border-radius: 9px;
      color: #071014;
      background: var(--green);
      font-size: 12px;
    }

    .step-card strong {
      display: block;
      color: #fff;
      line-height: 1.35;
    }

    .step-card span {
      display: block;
      margin-top: 5px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.6;
    }

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

    .proof-card {
      height: 100%;
      padding: 20px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.05), transparent 30%),
        rgba(23,26,38,.88);
    }

    .proof-card strong {
      display: block;
      margin-bottom: 7px;
      color: #fff;
      font-size: 18px;
      font-weight: 850;
    }

    .proof-card p {
      margin-bottom: 0;
      font-size: 14px;
    }

    .timeline {
      position: relative;
      margin-top: 18px;
      padding-left: 18px;
      border-left: 1px solid rgba(32,224,208,.30);
    }

    .timeline-item {
      position: relative;
      padding: 0 0 16px 18px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -24px;
      top: 6px;
      width: 11px;
      height: 11px;
      border-radius: 999px;
      background: var(--green);
      box-shadow: 0 0 14px rgba(49,246,184,.6);
    }

    .timeline-item b {
      display: block;
      color: #f1f6fc;
    }

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

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

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: var(--radius-sm);
      overflow: hidden;
      background: rgba(23,26,38,.88);
      box-shadow: 0 14px 32px rgba(0,0,0,.20);
    }

    .accordion-title {
      min-height: 58px;
      padding: 18px 50px 18px 20px;
      border: 0;
      color: #eef4fb;
      font-size: 16px;
      font-weight: 850;
      line-height: 1.45;
      background: transparent;
    }

    .accordion-title:hover,
    .accordion-title:focus {
      color: var(--cyan);
      background: rgba(32,224,208,.07);
    }

    .accordion-title::before {
      right: 20px;
      color: var(--green);
      font-size: 22px;
      margin-top: -14px;
    }

    .is-active > .accordion-title {
      color: var(--cyan);
      background: rgba(32,224,208,.08);
    }

    .accordion-content {
      padding: 0 20px 20px;
      border: 0;
      color: var(--muted);
      background: rgba(13,15,24,.55);
    }

    .accordion-content p {
      margin: 0;
      color: #b7c1d1;
    }

    .cta-panel {
      position: relative;
      padding: 34px;
      overflow: hidden;
      background:
        linear-gradient(120deg, rgba(49,246,184,.16), transparent 35%),
        linear-gradient(300deg, rgba(255,79,163,.13), transparent 40%),
        var(--panel);
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 2px;
      background: linear-gradient(90deg, var(--green), var(--cyan), var(--pink), var(--amber));
    }

    .cta-panel p {
      max-width: 690px;
      margin-bottom: 0;
    }

    .site-footer {
      padding: 54px 0 34px;
      border-top: 1px solid rgba(255,255,255,.09);
      background: #080a10;
    }

    .site-footer::before {
      content: "";
      display: block;
      height: 2px;
      margin-top: -54px;
      margin-bottom: 52px;
      background: linear-gradient(90deg, transparent, var(--green), var(--pink), transparent);
      opacity: .75;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.5fr) minmax(160px, .75fr) minmax(160px, .75fr);
      gap: 34px;
    }

    .footer-brand {
      margin-bottom: 13px;
      font-size: 18px;
    }

    .footer-text {
      max-width: 480px;
      margin-bottom: 0;
      color: #9da8ba;
      font-size: 14px;
    }

    .footer-col h3 {
      margin-bottom: 12px;
      color: #f3f7fd;
      font-size: 15px;
    }

    .footer-col ul {
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .footer-col li {
      margin: 8px 0;
    }

    .footer-col a {
      color: #aeb8c9;
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--cyan);
    }

    .copyright {
      margin-top: 34px;
      padding-top: 20px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: #7d8798;
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1200;
      border-top: 1px solid rgba(255,255,255,.10);
      background: rgba(9,11,18,.92);
      backdrop-filter: blur(16px);
      box-shadow: 0 -18px 42px rgba(0,0,0,.38);
    }

    .fixed-cta::before {
      content: "";
      position: absolute;
      inset: 0 0 auto 0;
      height: 2px;
      background: linear-gradient(90deg, var(--green), var(--cyan), var(--pink), var(--amber));
    }

    .fixed-inner {
      min-height: 74px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding-top: 8px;
      padding-bottom: 8px;
    }

    .fixed-title {
      color: #fff;
      font-weight: 850;
      line-height: 1.35;
    }

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

    .fixed-tags span {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 3px 10px;
      border: 1px solid rgba(255,255,255,.10);
      border-radius: 999px;
      color: #b8c3d3;
      background: rgba(255,255,255,.045);
      font-size: 12px;
      font-weight: 800;
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: 1ms !important;
        animation-duration: 1ms !important;
      }
    }

    @media (max-width: 1024px) {
      .site-container {
        padding: 0 24px;
      }

      .center-nav {
        gap: 12px;
      }

      .nav-link {
        padding: 0 10px;
      }

      .status-panel {
        margin-top: 22px;
        transform: none;
      }

      .task-list {
        grid-template-columns: 1fr;
      }

      .task-card:nth-child(3n) {
        min-height: 238px;
      }
    }

    @media (max-width: 768px) {
      :root {
        --header-h: 64px;
      }

      body {
        padding-bottom: 82px;
      }

      .site-container {
        padding: 0 16px;
      }

      .site-header {
        min-height: var(--header-h);
      }

      .header-shell {
        min-height: var(--header-h);
        justify-content: space-between;
      }

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

      .center-nav {
        position: absolute;
        top: 64px;
        left: 16px;
        right: 16px;
        display: none;
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 12px;
        border: 1px solid rgba(255,255,255,.10);
        border-radius: 18px;
        background: rgba(13,15,24,.98);
        box-shadow: var(--shadow);
      }

      .center-nav.is-open {
        display: grid;
      }

      .nav-side,
      .nav-side-left,
      .nav-side-right {
        justify-content: stretch;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }

      .brand-logo {
        justify-self: stretch;
        justify-content: center;
        order: -1;
        white-space: normal;
        text-align: center;
      }

      .nav-link {
        width: 100%;
        justify-content: center;
      }

      .category-hero {
        padding: 38px 0 34px;
      }

      .section {
        padding: 62px 0;
      }

      .section-tight {
        padding: 50px 0;
      }

      h1 {
        font-size: 34px;
      }

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

      .panel-row {
        grid-template-columns: 1fr;
        gap: 4px;
      }

      .panel-tag {
        justify-self: flex-start;
      }

      .filter-band {
        top: 64px;
      }

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

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .fixed-inner {
        min-height: 68px;
      }

      .fixed-tags {
        display: none;
      }
    }

    @media (max-width: 520px) {
      .btn-row {
        flex-direction: column;
        align-items: stretch;
      }

      .energy-btn,
      .ghost-btn {
        width: 100%;
        padding: 0 14px;
      }

      .status-panel,
      .demo-panel,
      .cta-panel,
      .task-card,
      .side-panel {
        border-radius: 16px;
      }

      .status-panel,
      .demo-panel {
        padding: 18px;
      }

      .task-card {
        min-height: auto;
        padding: 19px;
      }

      .task-card p {
        min-height: 0;
      }

      .cta-panel {
        padding: 26px 20px;
      }

      .fixed-title {
        font-size: 14px;
      }

      .fixed-inner .energy-btn {
        width: auto;
        min-width: 118px;
        min-height: 44px;
      }
    }