* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      body {
        font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro SC", "PingFang SC", "Segoe UI", sans-serif;
        min-height: 100vh;
        background: var(--gradient-dark);
        color: var(--text-primary, #e5e7eb);
        overflow-x: hidden;
      }
      .page-shell {
        position: relative;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        z-index: 1;
      }
      .grid-bg {
        position: fixed;
        inset: 0;
        background-image: linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 0), linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 0);
        background-size: 80px 80px;
        mask-image: radial-gradient(circle at top, rgba(0, 0, 0, 1), transparent 70%);
        opacity: 0.75;
        pointer-events: none;
        z-index: 0;
      }
      .glow-orb {
        position: fixed;
        width: 420px;
        height: 420px;
        border-radius: 999px;
        background: radial-gradient(circle at 30% 30%, rgba(96, 165, 250, 0.9), transparent 60%);
        filter: blur(32px);
        opacity: 0.5;
        top: -80px;
        right: -60px;
        pointer-events: none;
        mix-blend-mode: screen;
        z-index: 0;
      }
      .glow-orb.secondary {
        top: auto;
        bottom: -120px;
        right: auto;
        left: -120px;
        background: radial-gradient(circle at 20% 40%, rgba(45, 212, 191, 0.9), transparent 60%);
        opacity: 0.45;
      }
      .center-hero {
        max-width: 1120px;
        margin: 0 auto;
        padding: 40px 20px;
        min-height: calc(100vh - 140px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
      }
      .center-title-main {
        font-size: clamp(40px, 5vw, 54px);
        line-height: 1.05;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        margin-bottom: 16px;
        background: linear-gradient(120deg, #60a5fa, #3b82f6, #22c55e);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
      }
      .center-title-sub {
        font-size: clamp(20px, 2.6vw, 26px);
        line-height: 1.4;
        color: #e5e7eb;
        opacity: 0.9;
      }
      .nav {
        position: sticky;
        top: 0;
        z-index: 10;
        backdrop-filter: blur(18px);
        background: linear-gradient(to bottom, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7), transparent);
        border-bottom: 1px solid rgba(148, 163, 184, 0.2);
      }
      .nav-inner {
        max-width: 1120px;
        margin: 0 auto;
        padding: 16px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
      }
      .nav-left {
        display: flex;
        align-items: center;
        gap: 10px;
      }
      .nav-logo {
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .nav-logo img {
        width: 32px;
        height: 32px;
        display: block;
      }
      .nav-title-wrap {
        display: flex;
        flex-direction: column;
        gap: 2px;
      }
      .nav-title {
        font-weight: 600;
        font-size: 16px;
        letter-spacing: 0.04em;
      }
      .nav-subtitle {
        font-size: 11px;
        color: #9ca3af;
        text-transform: uppercase;
        letter-spacing: 0.16em;
      }
      .nav-right {
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .nav-link {
        font-size: 13px;
        color: #94a3b8;
        text-decoration: none;
        padding: 8px 10px;
        border-radius: 999px;
        border: 1px solid transparent;
        transition: all 0.18s ease-out;
      }
      .nav-link:hover {
        border-color: rgba(148, 163, 184, 0.5);
        background: rgba(15, 23, 42, 0.9);
      }
      .nav-pill {
        position: relative;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 14px;
        border-radius: 999px;
        border: 1px solid rgba(148, 163, 184, 0.6);
        background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), rgba(15, 23, 42, 0.95));
        color: #e5e7eb;
        font-size: 13px;
        text-decoration: none;
        overflow: hidden;
        cursor: pointer;
      }
      .nav-pill span.badge {
        font-size: 10px;
        text-transform: uppercase;
        letter-spacing: 0.12em;
        padding: 2px 6px;
        border-radius: 999px;
        background: rgba(22, 163, 74, 0.18);
        color: #6ee7b7;
        border: 1px solid rgba(34, 197, 94, 0.5);
      }
      .nav-pill::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(96, 165, 250, 0.1), transparent, rgba(45, 212, 191, 0.12));
        opacity: 0;
        transition: opacity 0.2s ease-out;
      }
      .nav-pill:hover::before {
        opacity: 1;
      }
      .nav-pill-label {
        position: relative;
        display: inline-flex;
        align-items: center;
        gap: 4px;
      }
      .nav-pill-label svg {
        width: 14px;
        height: 14px;
      }
      .main {
        flex: 1;
      }
      .hero {
        max-width: 1120px;
        margin: 0 auto;
        padding: 40px 20px 32px;
        display: grid;
        grid-template-columns: minmax(0, 3fr) minmax(0, 2.6fr);
        gap: 32px;
        align-items: center;
      }
      .hero-tagline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 4px 10px 4px 4px;
        border-radius: 999px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        background: linear-gradient(to right, rgba(17, 24, 39, 0.9), rgba(15, 23, 42, 0.9));
        color: #9ca3af;
        font-size: 12px;
        margin-bottom: 18px;
      }
      .hero-dot {
        width: 22px;
        height: 22px;
        border-radius: 999px;
        background: radial-gradient(circle at 30% 20%, #22c55e, #16a34a);
        box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.6), 0 0 18px rgba(22, 163, 74, 0.9);
      }
      .hero-heading {
        font-size: clamp(34px, 4.4vw, 46px);
        line-height: 1.05;
        letter-spacing: 0.02em;
        margin-bottom: 18px;
      }
      .hero-heading span.highlight {
        background: linear-gradient(120deg, #60a5fa, #3b82f6, #22c55e);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
      }
      .hero-subtitle {
        font-size: 15px;
        color: #9ca3af;
        max-width: 480px;
        line-height: 1.7;
        margin-bottom: 24px;
      }
      .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 24px;
      }
      .btn-primary,
      .btn-ghost {
        position: relative;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 18px;
        border-radius: 999px;
        border: 1px solid transparent;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        text-decoration: none;
        transition: transform 0.15s ease-out, box-shadow 0.15s ease-out, border-color 0.15s ease-out, background 0.15s ease-out;
      }
      .btn-primary {
        background: linear-gradient(120deg, #3b82f6, #2563eb, #22c55e);
        color: white;
        box-shadow: 0 12px 30px rgba(37, 99, 235, 0.45);
      }
      .btn-primary:hover {
        transform: translateY(-1px) translateZ(0);
        box-shadow: 0 18px 40px rgba(37, 99, 235, 0.6);
      }
      .btn-ghost {
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.6));
        border-color: rgba(75, 85, 99, 0.9);
        color: #d1d5db;
      }
      .btn-ghost:hover {
        border-color: rgba(148, 163, 184, 0.9);
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.8));
      }
      .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 11px;
        color: #6b7280;
        text-transform: uppercase;
        letter-spacing: 0.16em;
      }
      .hero-meta span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
      }
      .hero-meta-dot {
        width: 4px;
        height: 4px;
        border-radius: 999px;
        background: #4b5563;
      }
      .hero-right {
        position: relative;
        min-height: 260px;
      }
      .hero-panel {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98));
        border: 1px solid rgba(148, 163, 184, 0.35);
        box-shadow: 0 20px 50px rgba(15, 23, 42, 0.9);
        padding: 18px 18px 18px;
        backdrop-filter: blur(18px);
      }
      .hero-panel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 16px;
      }
      .hero-panel-title {
        display: flex;
        flex-direction: column;
        gap: 2px;
      }
      .hero-panel-title-main {
        font-size: 14px;
        font-weight: 500;
      }
      .hero-panel-title-sub {
        font-size: 11px;
        color: #6b7280;
      }
      .hero-panel-indicator {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 11px;
        color: #6ee7b7;
        padding: 4px 8px;
        border-radius: 999px;
        background: rgba(5, 46, 22, 0.85);
        border: 1px solid rgba(22, 163, 74, 0.6);
      }
      .hero-panel-indicator-dot {
        width: 8px;
        height: 8px;
        border-radius: 999px;
        background: radial-gradient(circle at 30% 20%, #6ee7b7, #22c55e);
        box-shadow: 0 0 14px rgba(16, 185, 129, 0.9);
      }
      .hero-panel-body {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 14px;
        align-items: stretch;
      }
      .hero-panel-card {
        border-radius: 16px;
        padding: 12px 12px 12px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        background: radial-gradient(circle at 10% 0, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.96));
        display: flex;
        flex-direction: column;
        gap: 10px;
      }
      .hero-panel-card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: #9ca3af;
      }
      .hero-panel-card-title {
        display: inline-flex;
        align-items: center;
        gap: 6px;
      }
      .hero-panel-card-title span.dot {
        width: 6px;
        height: 6px;
        border-radius: 999px;
        background: #2563eb;
        box-shadow: 0 0 10px rgba(37, 99, 235, 0.9);
      }
      .hero-panel-code {
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
        font-size: 11px;
        line-height: 1.7;
        color: #e5e7eb;
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.96));
        border-radius: 12px;
        padding: 10px 10px;
        overflow: hidden;
        position: relative;
      }
      .hero-panel-code-line {
        opacity: 0.7;
        transition: opacity 0.2s ease-out, transform 0.2s ease-out;
      }
      .hero-panel-code-line.active {
        opacity: 1;
        transform: translateX(2px);
        color: #e0f2fe;
      }
      .hero-panel-code-comment {
        color: #64748b;
      }
      .hero-panel-metrics {
        display: flex;
        flex-direction: column;
        gap: 10px;
      }
      .metric-card {
        border-radius: 12px;
        padding: 10px 10px;
        border: 1px solid rgba(55, 65, 81, 0.8);
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
        font-size: 11px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #9ca3af;
      }
      .metric-label {
        display: flex;
        flex-direction: column;
        gap: 2px;
      }
      .metric-label span.main {
        text-transform: uppercase;
        letter-spacing: 0.12em;
      }
      .metric-label span.sub {
        font-size: 10px;
        color: #4b5563;
      }
      .metric-value {
        font-size: 13px;
        color: #e5e7eb;
      }
      .metric-value span.positive {
        font-size: 11px;
        color: #6ee7b7;
        margin-left: 4px;
      }
      .hero-panel-footer {
        margin-top: 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 11px;
        color: #6b7280;
      }
      .hero-panel-footer span.dot {
        width: 6px;
        height: 6px;
        border-radius: 999px;
        background: #22c55e;
        box-shadow: 0 0 10px rgba(34, 197, 94, 0.9);
        display: inline-block;
        margin-right: 6px;
      }
      .hero-panel-footer-link {
        color: #9ca3af;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 4px;
      }
      .hero-panel-footer-link:hover {
        color: #e5e7eb;
      }
      .sections {
        max-width: 1120px;
        margin: 0 auto;
        padding: 0 20px 40px;
      }
      .section {
        border-radius: 24px;
        padding: 20px 18px 18px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.98));
        box-shadow: 0 18px 40px rgba(15, 23, 42, 0.9);
        position: relative;
        overflow: hidden;
      }
      .section + .section {
        margin-top: 18px;
      }
      .section-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 10px;
        gap: 10px;
      }
      .section-title-wrap {
        display: flex;
        align-items: center;
        gap: 8px;
      }
      .section-title {
        font-size: 14px;
        font-weight: 500;
      }
      .section-chip {
        font-size: 11px;
        padding: 3px 8px;
        border-radius: 999px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        color: #9ca3af;
        background: rgba(15, 23, 42, 0.9);
      }
      .section-description {
        font-size: 12px;
        color: #6b7280;
        margin-bottom: 14px;
      }
      .section-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
      }
      .section-card {
        position: relative;
        border-radius: 16px;
        padding: 12px 12px 12px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        background: radial-gradient(circle at 10% 0, rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.98));
        overflow: hidden;
        cursor: default;
        transition: transform 0.18s ease-out, border-color 0.18s ease-out, box-shadow 0.18s ease-out, background 0.18s ease-out;
      }
      .section-card::before {
        content: "";
        position: absolute;
        inset: -40%;
        background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 0%), rgba(59, 130, 246, 0.28), transparent 55%);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.2s ease-out;
      }
      .section-card:hover::before {
        opacity: 1;
      }
      .section-card:hover {
        transform: translateY(-3px) translateZ(0);
        border-color: rgba(96, 165, 250, 0.9);
        box-shadow: 0 18px 40px rgba(30, 64, 175, 0.8);
      }
      .section-card-title {
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 6px;
      }
      .section-card-meta {
        font-size: 11px;
        color: #6b7280;
        margin-bottom: 8px;
        display: flex;
        justify-content: space-between;
        gap: 8px;
      }
      .section-card-body {
        font-size: 12px;
        color: #9ca3af;
        line-height: 1.5;
      }
      .section-card-tags {
        margin-top: 8px;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
      }
      .tag {
        font-size: 10px;
        padding: 3px 7px;
        border-radius: 999px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        color: #9ca3af;
        background: rgba(15, 23, 42, 0.9);
      }
      .tag.stack {
        border-color: rgba(59, 130, 246, 0.7);
        color: #bfdbfe;
      }
      .tag.status {
        border-color: rgba(22, 163, 74, 0.8);
        color: #bbf7d0;
      }
      .tag.experimental {
        border-color: rgba(249, 115, 22, 0.8);
        color: #fed7aa;
      }
      .section-links {
        margin-top: 12px;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 11px;
      }
      .section-link {
        color: #9ca3af;
        text-decoration: none;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 5px 10px;
        border-radius: 999px;
        border: 1px solid rgba(55, 65, 81, 0.9);
        background: rgba(15, 23, 42, 0.9);
      }
      .section-link:hover {
        color: #e5e7eb;
        border-color: rgba(96, 165, 250, 0.9);
      }
      @media (max-width: 960px) {
        .center-hero {
          min-height: calc(100vh - 140px);
          padding: 32px 16px;
        }
      }
      @media (max-width: 640px) {
        .nav-inner {
          padding-inline: 14px;
        }
        .center-hero {
          padding-inline: 18px;
        }
      }