*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; scroll-padding-top: 76px; overflow-x: hidden; }
    body {
      overflow-x: hidden;
      background: #000;
      color: #e1e0cc;
      font-family: "Almarai", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }

    .noise-overlay,
    .bg-noise::before {
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='.65'/%3E%3C/svg%3E");
    }

    .hero {
      position: relative;
      min-height: 100vh;
      padding: 16px;
      background: #000;
    }
    .hero-frame {
      position: relative;
      min-height: calc(100vh - 32px);
      overflow: hidden;
      border-radius: 24px;
      background: #070707;
      isolation: isolate;
    }
    .hero-frame video,
    .fallback-bg {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .hero-frame video {
      z-index: -3;
      filter: saturate(.75) contrast(1.05) brightness(.76);
    }
    .fallback-bg {
      z-index: -4;
      background:
        url("./assets/radar-grid.png") center / cover,
        radial-gradient(circle at 50% 55%, rgba(222,219,200,.18), transparent 40%),
        #050505;
    }
    .noise-overlay {
      position: absolute;
      inset: 0;
      z-index: -1;
      mix-blend-mode: overlay;
      opacity: .7;
      pointer-events: none;
    }
    .hero-frame::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
      background: linear-gradient(to bottom, rgba(0,0,0,.34), transparent 42%, rgba(0,0,0,.68));
    }

    .nav-pill {
      position: fixed;
      top: 0;
      left: 50%;
      z-index: 60;
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      gap: clamp(14px, 4vw, 56px);
      max-width: min(100vw - 24px, 1120px);
      overflow-x: auto;
      padding: 12px clamp(18px, 4vw, 34px);
      border-radius: 0 0 24px 24px;
      background: rgba(0,0,0,.94);
      color: rgba(225,224,204,.78);
      font-size: clamp(10px, 1.1vw, 14px);
      white-space: nowrap;
      scrollbar-width: none;
    }
    .nav-pill::-webkit-scrollbar { display: none; }
    .nav-pill a { transition: color .2s ease, opacity .2s ease; }
    .nav-pill a:hover,
    .nav-pill a.active { color: #e1e0cc; }
    .lang-switch {
      display: inline-flex;
      align-items: center;
      gap: 2px;
      margin-left: clamp(4px, 1vw, 10px);
      padding: 3px;
      border: 1px solid rgba(222,219,200,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.04);
    }
    .lang-switch button {
      min-width: 34px;
      height: 24px;
      border: 0;
      border-radius: 999px;
      background: transparent;
      color: rgba(225,224,204,.58);
      font-size: 11px;
      cursor: pointer;
      transition: background .18s ease, color .18s ease;
    }
    .lang-switch button.active {
      background: #dedbc8;
      color: #050505;
    }
    a:focus-visible,
    button:focus-visible {
      outline: 2px solid rgba(222,219,200,.8);
      outline-offset: 4px;
    }

    .hero-content {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 2;
      display: grid;
      grid-template-columns: minmax(0, 8fr) minmax(280px, 4fr);
      gap: 24px;
      align-items: end;
      padding: clamp(18px, 4vw, 52px);
    }
    .hero-title {
      position: relative;
      width: 2.72em;
      color: #e1e0cc;
      font-size: clamp(38px, 9.5vw, 155px);
      font-weight: 700;
      line-height: .78;
      letter-spacing: 0;
    }
    .hero-title-line {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      width: 100%;
    }
    .hero-title-line > span {
      justify-self: center;
    }
    .hero-title-line > span:first-child {
      justify-self: start;
    }
    .hero-title-line > span:last-child {
      justify-self: end;
    }
    .hero-side {
      display: grid;
      gap: 22px;
      justify-items: start;
      padding-bottom: .8vw;
    }
    .hero-side p {
      max-width: 450px;
      color: rgba(222,219,200,.72);
      font-size: clamp(13px, 1.2vw, 16px);
      line-height: 1.2;
    }
    .cta {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-height: 52px;
      padding: 6px 7px 6px 23px;
      border: 0;
      border-radius: 999px;
      background: #dedbc8;
      color: #050505;
      font-weight: 700;
      cursor: pointer;
      transition: gap .2s ease, transform .2s ease;
    }
    .cta .arrow {
      display: grid;
      place-items: center;
      width: 40px;
      height: 40px;
      border-radius: 999px;
      background: #000;
      color: #dedbc8;
      transition: transform .2s ease;
    }
    .cta:hover { gap: 18px; transform: translateY(-2px); }
    .cta:hover .arrow { transform: scale(1.08); }
    .hero-social {
      position: absolute;
      top: clamp(64px, 7vw, 84px);
      right: clamp(18px, 4vw, 52px);
      z-index: 4;
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-height: 46px;
      padding: 5px 6px 5px 14px;
      border: 1px solid rgba(222,219,200,.18);
      border-radius: 999px;
      background: rgba(7,7,7,.82);
      box-shadow: 0 12px 32px rgba(0,0,0,.18);
      isolation: isolate;
    }
    .hero-social-label {
      color: rgba(222,219,200,.62);
      font-size: 10px;
      font-weight: 700;
      line-height: 1.2;
      white-space: nowrap;
    }
    .hero-social-links {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .hero-social-link {
      --social-accent: #f2efda;
      --social-icon: none;
      position: relative;
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      display: grid;
      place-items: center;
      border: 1px solid rgba(222,219,200,.14);
      border-radius: 50%;
      background: color-mix(in srgb, var(--social-accent) 9%, rgba(255,255,255,.04));
      padding: 0;
      color: inherit;
      cursor: pointer;
      appearance: none;
      transition: border-color .18s ease, background .18s ease, transform .18s ease;
    }
    .hero-social-link:hover,
    .hero-social-link:focus-visible {
      border-color: color-mix(in srgb, var(--social-accent) 68%, transparent);
      background: color-mix(in srgb, var(--social-accent) 16%, rgba(255,255,255,.06));
      transform: translateY(-2px);
    }
    .hero-social-tooltip {
      position: absolute;
      left: 50%;
      bottom: calc(100% + 9px);
      z-index: 4;
      padding: 5px 8px;
      border: 1px solid rgba(222,219,200,.14);
      border-radius: 6px;
      background: rgba(5,5,5,.94);
      color: #e1e0cc;
      font-size: 10px;
      line-height: 1;
      white-space: nowrap;
      opacity: 0;
      pointer-events: none;
      transform: translate(-50%, 4px);
      transition: opacity .16s ease, transform .16s ease;
    }
    .hero-social-link:hover .hero-social-tooltip,
    .hero-social-link:focus .hero-social-tooltip {
      opacity: 1;
      transform: translate(-50%, 0);
    }
    .hero-social-link.is-unconfigured {
      opacity: 1;
    }
    .social-account--xiaohongshu {
      --social-accent: #ff2442;
      --social-icon: url("assets/social/xiaohongshu.svg");
    }
    .social-account--douyin {
      --social-accent: #25f4ee;
      --social-icon: url("assets/social/douyin.svg");
    }
    .social-account--channels {
      --social-accent: #07c160;
      --social-icon: url("assets/social/wechat-channels.svg");
    }
    .social-account--x {
      --social-accent: #f2efda;
      --social-icon: url("assets/social/x.svg");
    }
    .social-logo {
      position: relative;
      z-index: 1;
      width: 20px;
      height: 20px;
      display: block;
      background: var(--social-accent);
      filter: none;
      -webkit-mask: var(--social-icon) center / contain no-repeat;
      mask: var(--social-icon) center / contain no-repeat;
    }

    .article-index {
      scroll-margin-top: 76px;
      padding: clamp(22px, 5vw, 72px);
      background: #000;
    }
    .article-shell {
      max-width: 1160px;
      margin: 0 auto;
    }
    .article-header {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
      gap: clamp(22px, 5vw, 64px);
      align-items: end;
      margin-bottom: 26px;
    }
    .label {
      display: block;
      margin-bottom: 18px;
      color: #dedbc8;
      font-size: 12px;
      letter-spacing: .04em;
    }
    .article-header h2 {
      color: #e1e0cc;
      font-size: clamp(38px, 7vw, 92px);
      font-weight: 700;
      line-height: .88;
      letter-spacing: -.06em;
    }
    .article-header p {
      color: rgba(222,219,200,.7);
      font-size: clamp(13px, 1.15vw, 15px);
      line-height: 1.65;
    }
    .article-filters {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      margin: 0 auto 28px;
    }
    .article-filter {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 38px;
      padding: 0 18px;
      border: 1px solid rgba(222,219,200,.18);
      border-radius: 8px;
      background: rgba(255,255,255,.045);
      color: rgba(222,219,200,.72);
      font-weight: 700;
      cursor: pointer;
      transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
    }
    .article-filter::before {
      content: "";
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: rgba(222,219,200,.45);
    }
    .article-filter.active,
    .article-filter:hover {
      border-color: rgba(222,219,200,.62);
      background: rgba(222,219,200,.9);
      color: #050505;
      transform: translateY(-1px);
    }
    .article-filter.active::before,
    .article-filter:hover::before {
      background: #a00000;
    }
    .article-list {
      display: grid;
      gap: 28px;
      max-width: 760px;
      margin: 0 auto;
    }
    .article-card {
      overflow: hidden;
      border: 1px solid rgba(222,219,200,.12);
      border-radius: 10px;
      background: #050505;
      box-shadow: 0 30px 90px rgba(0,0,0,.36);
      transition: transform .22s ease, border-color .22s ease;
    }
    .article-card:hover {
      transform: translateY(-3px);
      border-color: rgba(222,219,200,.28);
    }
    .article-media {
      position: relative;
      min-height: 255px;
      overflow: hidden;
      background:
        radial-gradient(circle at 50% 40%, rgba(222,219,200,.12), transparent 46%),
        #111;
    }
    .article-media video,
    .article-media img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.82) brightness(.78);
    }
    .article-body {
      padding: clamp(20px, 4vw, 34px);
    }
    .article-body h3 {
      margin-bottom: 8px;
      color: #e1e0cc;
      font-size: clamp(24px, 3.4vw, 38px);
      line-height: 1.05;
      letter-spacing: -.035em;
      font-weight: 500;
    }
    .article-date {
      display: block;
      margin-bottom: 18px;
      color: #dedbc8;
      font-size: 14px;
      font-style: italic;
    }
    .article-body p {
      color: rgba(222,219,200,.74);
      font-size: 15px;
      line-height: 1.72;
    }
    .article-actions {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-top: 28px;
    }
    .article-tag {
      padding: 9px 12px;
      border: 1px solid rgba(222,219,200,.22);
      color: rgba(222,219,200,.62);
      font-size: 12px;
      text-transform: uppercase;
    }
    .article-read {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 8px;
      background: rgba(222,219,200,.18);
      color: #e1e0cc;
      font-size: 14px;
    }
    .article-note {
      max-width: 760px;
      margin: 24px auto 0;
      color: rgba(222,219,200,.42);
      font-size: 12px;
      line-height: 1.6;
    }

    .features {
      scroll-margin-top: 76px;
      position: relative;
      min-height: 100vh;
      padding: clamp(44px, 7vw, 94px) clamp(16px, 4vw, 52px) 96px;
      background: #000;
    }
    .features.bg-noise::before {
      content: "";
      position: absolute;
      inset: 0;
      opacity: .15;
      pointer-events: none;
    }
    .features-head {
      position: relative;
      z-index: 1;
      max-width: 1160px;
      margin: 0 auto 34px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 24px;
      align-items: end;
    }
    .features-head h2 {
      max-width: 780px;
      color: #e1e0cc;
      font-size: clamp(24px, 4vw, 48px);
      font-weight: 400;
      line-height: 1.08;
      letter-spacing: -.035em;
    }
    .features-head h2 span {
      display: block;
      color: #6b7280;
    }
    .stat {
      color: #777;
      font-size: 12px;
      white-space: nowrap;
    }
    .page-tabs {
      position: relative;
      z-index: 1;
      max-width: 1160px;
      margin: 0 auto 14px;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 6px;
    }
    .page-tab {
      min-height: 46px;
      border: 1px solid rgba(222,219,200,.12);
      border-radius: 999px;
      background: rgba(16,16,16,.76);
      color: rgba(222,219,200,.62);
      font-weight: 700;
      cursor: pointer;
      transition: transform .18s ease, background .2s ease, color .2s ease, border-color .2s ease;
    }
    .page-tab:hover { transform: translateY(-1px); }
    .page-tab.active {
      border-color: #dedbc8;
      background: #dedbc8;
      color: #050505;
    }
    .page-panel {
      position: relative;
      z-index: 1;
      max-width: 1160px;
      margin: 0 auto 28px;
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 1px;
      overflow: hidden;
      border-radius: 22px;
      background: rgba(222,219,200,.11);
      transition: opacity .2s ease, transform .2s ease, border-color .2s ease;
    }
    .page-panel.is-swapping {
      opacity: .45;
      transform: translateY(6px);
    }
    .page-panel-main,
    .page-index {
      min-height: 250px;
      background: rgba(16,16,16,.9);
      padding: clamp(22px, 4vw, 38px);
    }
    .page-kicker {
      display: block;
      margin-bottom: 22px;
      color: rgba(222,219,200,.48);
      font-size: 12px;
      text-transform: uppercase;
    }
    .page-panel h3 {
      margin-bottom: 18px;
      color: #e1e0cc;
      font-size: clamp(28px, 4.8vw, 56px);
      line-height: .95;
      letter-spacing: -.055em;
    }
    .page-panel p {
      max-width: 520px;
      color: rgba(222,219,200,.72);
      font-size: 15px;
      line-height: 1.68;
    }
    .page-image {
      overflow: hidden;
      margin-top: 28px;
      border-radius: 14px;
      aspect-ratio: 16 / 7;
      background: #050505;
    }
    .page-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.84) brightness(.82);
      transition: transform .55s cubic-bezier(.16,1,.3,1), filter .35s ease;
    }
    .page-panel:hover .page-image img {
      transform: scale(1.025);
      filter: saturate(.9) brightness(.88);
    }
    .page-index {
      display: grid;
      gap: 1px;
      background: rgba(222,219,200,.1);
    }
    .index-row {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      align-items: start;
      padding: 17px 18px;
      background: #181818;
      transition: background .18s ease, transform .18s ease;
    }
    .index-row:hover {
      background: #202020;
      transform: translateX(3px);
    }
    .index-row strong {
      color: #dedbc8;
      font-size: 13px;
    }
    .index-row span {
      color: rgba(222,219,200,.72);
      font-size: 14px;
      line-height: 1.45;
    }
    .feature-grid {
      position: relative;
      z-index: 1;
      max-width: 1160px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 6px;
    }
    .feature-card {
      min-height: 480px;
      position: relative;
      overflow: hidden;
      border-radius: 20px;
      background: #212121;
      padding: 24px;
      color: #e1e0cc;
      transition: transform .22s ease, background .22s ease;
    }
    .feature-card:hover {
      transform: translateY(-4px);
      background: #282828;
    }
    .feature-card.video {
      display: flex;
      align-items: flex-end;
      background: #111;
    }
    .feature-card.video video {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.8) brightness(.82);
    }
    .feature-card.video::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,.72), transparent);
    }
    .feature-card.video h3 {
      position: relative;
      z-index: 1;
      font-size: 28px;
      line-height: 1;
      letter-spacing: -.04em;
    }
    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      margin-bottom: 34px;
      object-fit: cover;
      background: #111;
      border: 1px solid rgba(222,219,200,.12);
    }
    .feature-card h3 {
      margin-bottom: 18px;
      font-size: 26px;
      line-height: 1;
      letter-spacing: -.04em;
    }
    .feature-card h3 small {
      display: block;
      margin-bottom: 10px;
      color: #777;
      font-size: 12px;
      font-weight: 400;
      letter-spacing: 0;
    }
    .checks {
      display: grid;
      gap: 12px;
      margin: 26px 0 30px;
      color: #a8a8a8;
      font-size: 14px;
      line-height: 1.35;
    }
    .checks li {
      list-style: none;
      display: grid;
      grid-template-columns: 18px 1fr;
      gap: 10px;
      align-items: start;
    }
    .checks li::before {
      content: "✓";
      color: #dedbc8;
      font-weight: 800;
    }
    .learn {
      position: absolute;
      left: 24px;
      bottom: 24px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #dedbc8;
      font-size: 14px;
      transition: gap .18s ease, color .18s ease;
    }
    .learn:hover { gap: 14px; color: #fffde8; }
    .learn .arrow {
      transform: rotate(-45deg);
      font-size: 18px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(28px);
      filter: blur(8px);
      transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1), filter .9s cubic-bezier(.16,1,.3,1);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
      filter: blur(0);
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: .001ms !important;
        transition-duration: .001ms !important;
      }
    }

    @media (min-width: 768px) {
      .hero { padding: 24px; }
      .hero-frame { min-height: calc(100vh - 48px); border-radius: 32px; }
    }
    @media (max-width: 1000px) {
      .hero-content { grid-template-columns: 1fr; }
      .hero-side { max-width: 520px; }
      .article-header { grid-template-columns: 1fr; }
      .features-head { grid-template-columns: 1fr; }
      .page-panel { grid-template-columns: 1fr; }
      .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    }
    @media (max-width: 680px) {
      .hero { padding: 12px; }
      .hero-frame { min-height: calc(100vh - 24px); border-radius: 18px; }
      .nav-pill {
        width: calc(100% - 32px);
        justify-content: flex-start;
        gap: 14px;
        padding: 10px 12px;
        overflow-x: auto;
      }
      .lang-switch { flex: 0 0 auto; }
      .hero-content { padding: 24px 18px 46px; }
      .hero-title { font-size: 13.5vw; }
      .hero-side p { font-size: 13px; }
      .hero-social { top: 56px; right: 14px; padding-left: 6px; }
      .hero-social-label { display: none; }
      .page-tabs { grid-template-columns: 1fr 1fr; }
      .page-tab { min-height: 40px; font-size: 13px; }
      .feature-grid { grid-template-columns: 1fr; }
      .feature-card { min-height: 360px; }
      .article-media { min-height: 210px; }
      .article-actions { align-items: stretch; flex-direction: column; }
      .article-read { justify-content: center; }
    }