:root {
      --bg: #0b0812;
      --bg-2: #15111d;
      --bg-3: #1d1728;
      --ink: #f4f1f7;
      --muted: #a09aae;
      --muted-2: #746b80;
      --rule: rgba(255,255,255,.10);
      --accent: #8a5fa3;
      --accent-2: #6e4c8f;
      --accent-soft: rgba(138, 95, 163, .16);
      --light: #f3f0f6;
      --light-ink: #160f1e;
      --light-muted: #655b70;
      --max: 1280px;
      --radius-lg: 34px;
      --radius-md: 24px;
      --ease: cubic-bezier(.2,.8,.2,1);
      --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }

    * { box-sizing: border-box; }
    html {
      scroll-behavior: smooth;
      scroll-padding-top: 90px;
    }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--bg);
      font-family: var(--font);
      line-height: 1.5;
      overflow-x: hidden;
    }
    body.menu-open { overflow: hidden; }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    .scroll-progress {
      position: fixed;
      top: 0;
      left: 0;
      z-index: 80;
      width: 100%;
      height: 3px;
      transform-origin: left center;
      transform: scaleX(0);
      background: linear-gradient(90deg, var(--accent), #d9b9ee);
      box-shadow: 0 0 22px rgba(138,95,163,.55);
      pointer-events: none;
    }
    .cursor-glow {
      position: fixed;
      left: 0;
      top: 0;
      z-index: 1;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      transform: translate3d(-50%, -50%, 0);
      background: radial-gradient(circle, rgba(138,95,163,.18), transparent 62%);
      pointer-events: none;
      opacity: 0;
      transition: opacity .4s var(--ease);
      mix-blend-mode: screen;
    }
    body.has-pointer .cursor-glow { opacity: 1; }
    .container {
      width: min(var(--max), calc(100% - 48px));
      margin: 0 auto;
    }

    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      height: 76px;
      border-bottom: 1px solid transparent;
      transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s var(--ease);
    }
    .nav.scrolled,
    .nav.open {
      background: rgba(11, 8, 18, .82);
      border-bottom-color: var(--rule);
      backdrop-filter: blur(20px);
    }
    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: .02em;
    }
    .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 11px;
      display: grid;
      place-items: center;
      color: white;
      font-size: 14px;
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      box-shadow: 0 0 34px rgba(138,95,163,.34);
    }
    .brand-logo {
      width: 34px;
      height: 34px;
      border-radius: 11px;
      object-fit: contain;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 30px;
      margin-left: auto;
      margin-right: 20px;
      color: rgba(244,241,247,.72);
      font-size: 14px;
    }
    .nav-links a {
      position: relative;
      transition: color .25s var(--ease);
    }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -8px;
      height: 1px;
      transform: scaleX(0);
      transform-origin: center;
      background: #d4b8e6;
      transition: transform .25s var(--ease);
    }
    .nav-links a:hover { color: var(--ink); }
    .nav-links a.active { color: var(--ink); }
    .nav-links a.active::after { transform: scaleX(1); }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .lang-switch {
      height: 38px;
      padding: 0 14px;
      border: 1px solid var(--rule);
      border-radius: 999px;
      background: rgba(255,255,255,.04);
      color: var(--ink);
      cursor: pointer;
    }
    .menu-btn {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--rule);
      border-radius: 999px;
      background: rgba(255,255,255,.04);
      color: var(--ink);
      cursor: pointer;
    }
    .menu-btn span {
      display: block;
      width: 18px;
      height: 1px;
      background: currentColor;
      margin: 5px auto;
      transition: transform .25s var(--ease), opacity .25s var(--ease);
    }
    .nav.open .menu-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .nav.open .menu-btn span:nth-child(2) { opacity: 0; }
    .nav.open .menu-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

    .hero {
      min-height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding: 132px 0 180px;
      background:
        linear-gradient(180deg, rgba(11,8,18,.18), var(--bg) 94%),
        radial-gradient(circle at 50% 40%, rgba(138,95,163,.24), transparent 34%),
        linear-gradient(135deg, #161021, #08060c);
    }
    .hero-video,
    .hero-fallback {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      pointer-events: none;
      z-index: 0;
    }
    .hero-video {
      opacity: 0;
      filter: saturate(.8) contrast(1.08);
      transition: opacity .6s ease;
    }
    .hero-fallback {
      opacity: .46;
      background:
        linear-gradient(90deg, transparent 0 48%, rgba(255,255,255,.06) 49% 51%, transparent 52%),
        repeating-linear-gradient(120deg, rgba(255,255,255,.08) 0 1px, transparent 1px 22px),
        radial-gradient(circle at 28% 58%, rgba(138,95,163,.26), transparent 28%),
        radial-gradient(circle at 76% 36%, rgba(110,76,143,.22), transparent 32%);
      animation: slow-pan 18s var(--ease) infinite alternate;
    }
    .hero-grid {
      position: absolute;
      inset: 0;
      z-index: 1;
      pointer-events: none;
      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: 72px 72px;
      mask-image: radial-gradient(circle at center, black, transparent 78%);
      animation: grid-drift 24s linear infinite;
    }
    .hero::after {
      content: "";
      position: absolute;
      inset: auto 0 0;
      height: 240px;
      background: linear-gradient(180deg, transparent, var(--bg));
    }
    .hero-content {
      position: relative;
      z-index: 2;
      width: min(980px, 100%);
      text-align: center;
      margin: 0 auto;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      height: 38px;
      padding: 0 16px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      color: #d4c5df;
      font-size: 12px;
      letter-spacing: .12em;
      text-transform: uppercase;
    }
    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 999px;
      background: var(--accent);
      box-shadow: 0 0 18px rgba(138,95,163,.8);
      animation: pulse-dot 2.2s var(--ease) infinite;
    }
    .hero h1 {
      margin: 30px 0 0;
      font-size: 104px;
      line-height: 1.2;
      letter-spacing: 0;
      font-weight: 900;
    }
    html[lang="en"] .hero h1 {
      letter-spacing: -.04em;
    }
    .hero h1 span { color: #c3a0da; }

    .hero p {
      max-width: 800px;
      margin: 36px auto 0;
      color: #c2bbcb;
      font-size: clamp(18px, 2vw, 24px);
      line-height: 1.7;
    }
    .cta-row {
      margin-top: 44px;
      display: flex;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .btn {
      min-height: 52px;
      padding: 0 25px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 800;
      transition: transform .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
      will-change: transform;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary {
      background: #f1eaf7;
      color: #17101f;
    }
    .btn-ghost {
      border-color: rgba(255,255,255,.16);
      background: rgba(255,255,255,.04);
      color: var(--ink);
    }
    section {
      position: relative;
      padding: 120px 0;
    }
    #about {
      padding-top: 0;
      padding-bottom: 60px;
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      gap: 80px;
      margin-bottom: 56px;
    }
    .kicker {
      color: #b896cc;
      font-size: 12px;
      letter-spacing: .14em;
      text-transform: uppercase;
      margin-bottom: 16px;
      font-weight: 800;
    }
    h2 {
      margin: 0;
      max-width: 860px;
      font-size: clamp(42px, 5vw, 72px);
      line-height: .96;
      letter-spacing: -.055em;
    }
    .section-desc {
      margin: 0;
      max-width: 500px;
      color: var(--muted);
      font-size: 18px;
    }
    .stats-grid,
    .product-grid,
    .mission-grid,
    .contact-grid {
      display: grid;
      gap: 18px;
    }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .stat-card {
      min-height: 210px;
      padding: 28px;
      border: 1px solid var(--rule);
      border-radius: 28px;
      background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
      transition: transform .35s var(--ease), border-color .35s var(--ease);
    }
    .stat-card:hover {
      transform: translateY(-6px);
      border-color: rgba(212,184,230,.34);
    }
    .stat-card strong {
      display: block;
      color: #d4b8e6;
      font-size: clamp(52px, 6vw, 74px);
      line-height: .86;
      letter-spacing: -.055em;
      margin-bottom: 20px;
    }
    .stat-card span { color: var(--muted); }

    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .products-more {
      display: flex;
      justify-content: center;
      margin-top: 48px;
    }
    .product-card {
      min-height: 440px;
      padding: 34px;
      border-radius: 30px;
      border: 1px solid var(--rule);
      display: block;
      color: inherit;
      text-decoration: none;
      cursor: pointer;
      background:
        radial-gradient(circle at 80% 10%, rgba(138,95,163,.22), transparent 34%),
        linear-gradient(180deg, #181220, #111019);
      position: relative;
      overflow: hidden;
      transition: transform .32s var(--ease), border-color .32s var(--ease);
      transform-style: preserve-3d;
      will-change: transform;
    }
    .product-card:hover {
      transform: translateY(-8px);
      border-color: rgba(212,184,230,.42);
      box-shadow: 0 20px 60px rgba(0,0,0,.24);
    }
    .product-card-cover {
      width: 100%;
      height: 200px;
      border-radius: 18px;
      overflow: hidden;
      margin-bottom: 20px;
      background: rgba(255,255,255,.03);
    }
    .product-card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .product-card-cover-placeholder {
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(138,95,163,.2), transparent);
      color: var(--accent);
      font-size: 28px;
      font-weight: 900;
      letter-spacing: .06em;
    }

    /* 产品中心页专用卡片 */
    .archive-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .archive-card {
      display: flex;
      flex-direction: column;
      border-radius: 20px;
      border: 1px solid var(--rule);
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
      text-decoration: none;
      color: inherit;
      cursor: pointer;
      transition: transform .32s var(--ease), border-color .32s var(--ease), box-shadow .32s var(--ease);
    }
    .archive-card:hover {
      transform: translateY(-6px);
      border-color: rgba(212,184,230,.35);
      box-shadow: 0 16px 48px rgba(0,0,0,.28);
    }
    .archive-card-cover {
      width: 100%;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background: rgba(255,255,255,.03);
    }
    .archive-card-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s var(--ease);
    }
    .archive-card:hover .archive-card-cover img {
      transform: scale(1.06);
    }
    .archive-card-cover-placeholder {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      min-height: 200px;
      aspect-ratio: 4 / 3;
      position: relative;
      overflow: hidden;
      border-radius: 20px;
      background:
        radial-gradient(ellipse 80% 60% at 50% 30%, rgba(138,95,163,.22), transparent 70%),
        linear-gradient(160deg, rgba(255,255,255,.08), rgba(138,95,163,.06) 40%, rgba(0,0,0,.12));
      box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 12px 40px rgba(0,0,0,.22);
      transition: box-shadow .35s var(--ease), background .35s var(--ease);
    }
    .archive-card:hover .archive-card-cover-placeholder {
      box-shadow: inset 0 1px 0 rgba(255,255,255,.1), 0 20px 60px rgba(0,0,0,.32);
      background:
        radial-gradient(ellipse 80% 60% at 50% 30%, rgba(138,95,163,.32), transparent 70%),
        linear-gradient(160deg, rgba(255,255,255,.12), rgba(138,95,163,.1) 40%, rgba(0,0,0,.16));
    }
    .archive-card-cover-placeholder::before {
      content: "";
      position: absolute;
      width: 48px;
      height: 48px;
      border-radius: 14px;
      border: 2px solid rgba(212,184,230,.25);
      background: rgba(212,184,230,.06);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
    }
    .archive-card-cover-placeholder::after {
      content: "";
      position: absolute;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      border: 2px solid rgba(212,184,230,.18);
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) translate(20px, 20px);
    }
    .archive-card-title {
      padding: 16px 20px 20px;
      margin: 0;
      font-size: 16px;
      font-weight: 600;
      line-height: 1.35;
      letter-spacing: -.005em;
      color: var(--ink);
      text-align: center;
    }
    @media (max-width: 1100px) {
      .archive-grid { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 768px) {
      .archive-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 480px) {
      .archive-grid { grid-template-columns: 1fr; }
    }
    .product-card h3 {
      margin: 0 0 14px;
      max-width: 420px;
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.05;
      letter-spacing: -.035em;
    }
    .product-card p {
      max-width: 460px;
      color: var(--muted);
      margin: 0;
    }
    .product-card-img {
      position: absolute;
      right: 30px;
      bottom: 34px;
      width: min(300px, 42%);
      height: 188px;
      border-radius: 24px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,.12);
      box-shadow: 0 28px 80px rgba(0,0,0,.32);
      transition: transform .35s var(--ease), box-shadow .35s var(--ease);
    }
    .product-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s var(--ease);
    }
    .product-card:hover .product-card-img {
      transform: translateY(-8px);
      box-shadow: 0 38px 100px rgba(0,0,0,.42);
    }
    .product-card:hover .product-card-img img {
      transform: scale(1.05);
    }
    .product-visual {
      position: absolute;
      right: 30px;
      bottom: 34px;
      width: min(300px, 42%);
      height: 188px;
      border-radius: 24px;
      border: 1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(255,255,255,.13), rgba(255,255,255,.025)),
        repeating-linear-gradient(90deg, rgba(216,198,230,.18) 0 8px, transparent 8px 20px);
      transform: perspective(540px) rotateX(12deg) rotateY(-18deg);
      box-shadow: 0 28px 80px rgba(0,0,0,.32);
      transition: transform .35s var(--ease), box-shadow .35s var(--ease);
    }
    .product-card:hover .product-visual {
      transform: perspective(540px) rotateX(9deg) rotateY(-12deg) translateY(-8px);
      box-shadow: 0 38px 100px rgba(0,0,0,.42);
    }
    .product-visual::before,
    .product-visual::after {
      content: "";
      position: absolute;
      border-radius: 999px;
      background: rgba(212,184,230,.24);
    }
    .product-visual::before {
      width: 70%;
      height: 12px;
      left: 15%;
      top: 34%;
    }
    .product-visual::after {
      width: 46%;
      height: 12px;
      left: 25%;
      top: 55%;
    }
    .product-cta {
      position: absolute;
      left: 34px;
      bottom: 34px;
      min-height: 42px;
      padding: 0 16px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: #f1eaf7;
      background: rgba(255,255,255,.04);
      font-weight: 800;
      font-size: 13px;
    }
    .product-cta::after { content: "→"; color: #d4b8e6; }

    .mission {
      background: var(--light);
      color: var(--light-ink);
    }
    .mission .kicker { color: var(--accent-2); }
    .mission p {
      max-width: 760px;
      color: var(--light-muted);
      font-size: 20px;
      margin: 26px 0 0;
    }
    .mission-grid {
      margin-top: 54px;
      grid-template-columns: repeat(3, 1fr);
    }
    .mission-card {
      min-height: 220px;
      padding: 30px;
      border-radius: 28px;
      border: 1px solid #ded6e8;
      background: #fff;
    }
    .mission-card b {
      display: block;
      color: #5b3b73;
      font-size: 26px;
      line-height: 1.08;
      margin-bottom: 16px;
    }
    .mission-card span { color: var(--light-muted); }

    .tech-panel {
      padding: 54px;
      border: 1px solid var(--rule);
      border-radius: var(--radius-lg);
      background:
        radial-gradient(circle at 70% 50%, rgba(138,95,163,.25), transparent 36%),
        linear-gradient(135deg, #171022, #0e0b14);
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 54px;
      align-items: center;
    }
    .orbit {
      min-height: 430px;
      border-radius: 34px;
      border: 1px solid var(--rule);
      background:
        radial-gradient(circle at center, rgba(216,184,238,.22), transparent 20%),
        repeating-radial-gradient(circle at center, rgba(255,255,255,.10) 0 1px, transparent 1px 58px);
      position: relative;
      overflow: hidden;
    }
    .orbit-ring {
      position: absolute;
      inset: 16%;
      border: 1px solid rgba(212,184,230,.20);
      border-radius: 50%;
      animation: orbit-spin 18s linear infinite;
    }
    .orbit-ring:nth-child(2) {
      inset: 28%;
      animation-duration: 12s;
      animation-direction: reverse;
      opacity: .7;
    }
    .orbit-ring::after {
      content: "";
      position: absolute;
      top: 7%;
      left: 50%;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #d4b8e6;
      box-shadow: 0 0 26px rgba(212,184,230,.85);
    }
    .particle {
      position: absolute;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: rgba(212,184,230,.75);
      box-shadow: 0 0 18px rgba(212,184,230,.65);
      animation: float-particle 7s var(--ease) infinite;
    }
    .particle:nth-child(3) { left: 22%; top: 30%; animation-delay: -.5s; }
    .particle:nth-child(4) { left: 72%; top: 24%; animation-delay: -1.8s; }
    .particle:nth-child(5) { left: 60%; top: 68%; animation-delay: -3.1s; }
    .particle:nth-child(6) { left: 34%; top: 72%; animation-delay: -4.4s; }
    .orbit::before,
    .orbit::after {
      content: "";
      position: absolute;
      width: 120px;
      height: 120px;
      border-radius: 50%;
      background: rgba(138,95,163,.46);
      filter: blur(32px);
    }
    .orbit::before { left: 82px; top: 92px; }
    .orbit::after { right: 70px; bottom: 78px; }
    .tech-list {
      display: grid;
      gap: 14px;
      margin-top: 30px;
    }
    .tech-item {
      display: flex;
      gap: 18px;
      padding: 18px;
      border: 1px solid var(--rule);
      border-radius: 18px;
      background: rgba(255,255,255,.04);
    }
    .tech-num {
      flex: none;
      width: 34px;
      height: 34px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: rgba(138,95,163,.22);
      color: #d7b9eb;
      font-weight: 900;
      font-size: 13px;
    }
    .tech-item b { display: block; margin-bottom: 4px; }
    .tech-item span { color: var(--muted); font-size: 14px; }

    .contact {
      text-align: center;
      padding-bottom: 96px;
    }
    .contact h2 { margin: 0 auto; }
    .contact .section-desc {
      margin: 22px auto 0;
      max-width: 680px;
    }
    .contact-grid {
      margin-top: 42px;
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: auto auto;
      text-align: left;
    }
    .contact-card-address { grid-column: 1; grid-row: 1; }
    .contact-card-phone { grid-column: 1; grid-row: 2; }
    .contact-card-wechat { grid-column: 2; grid-row: 1 / 3; }
    .contact-card {
      padding: 26px;
      border: 1px solid var(--rule);
      border-radius: 24px;
      background: rgba(255,255,255,.04);
      transition: transform .35s var(--ease), border-color .35s var(--ease);
    }
    .contact-card:hover {
      transform: translateY(-6px);
      border-color: rgba(212,184,230,.34);
    }
    .contact-card b {
      display: block;
      color: #d4b8e6;
      margin-bottom: 10px;
    }
    .contact-card span { color: var(--muted); }
    .wechat-qr {
      display: block;
      width: 100%;
      height: auto;
      margin-top: 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: 0 8px 32px rgba(0,0,0,.3);
      object-fit: cover;
    }
    .icp-link {
      color: var(--muted-2);
      text-decoration: none;
      transition: color .25s var(--ease);
    }
    .icp-link:hover { color: var(--accent); }

    html[lang="en"] .brand span {
      font-size: 15px;
      letter-spacing: 0;
    }
    html[lang="en"] .nav-links a {
      font-size: 13px;
    }
    html[lang="en"] .hero-content {
      width: min(980px, 100%);
    }
    html[lang="en"] .hero p {
      max-width: 800px;
      line-height: 1.7;
    }
    html[lang="en"] .stat-card span {
      display: block;
      font-size: 13px;
      line-height: 1.42;
    }
    html[lang="en"] h2 {
      max-width: 860px;
    }
    html[lang="en"] .section-head {
      align-items: flex-end;
      gap: 80px;
    }
    html[lang="en"] .section-desc {
      max-width: 540px;
      font-size: 18px;
      line-height: 1.7;
    }
    html[lang="en"] .product-card {
      min-height: 440px;
    }
    html[lang="en"] .product-card h3 {
      max-width: 420px;
    }
    html[lang="en"] .product-card p {
      max-width: 460px;
    }
    html[lang="en"] .mission p {
      max-width: 800px;
    }
    html[lang="en"] .mission-card b {
      font-size: 22px;
      line-height: 1.12;
    }
    html[lang="en"] .mission-card span,
    html[lang="en"] .tech-item span,
    html[lang="en"] .contact-card span {
      font-size: 14px;
      line-height: 1.5;
    }

    footer {
      border-top: 1px solid var(--rule);
      padding: 34px 0;
      color: var(--muted-2);
      font-size: 14px;
    }
    .footer-inner {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .reveal {
      opacity: 0;
      transform: translateY(26px);
      transition: opacity .7s var(--ease), transform .7s var(--ease);
    }
    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }
    .split-char {
      display: inline-block;
      opacity: 0;
      transform: translateY(24px);
      animation: title-rise .72s var(--ease) forwards;
      animation-delay: calc(var(--i) * 18ms);
    }
    @keyframes title-rise {
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes pulse-dot {
      0%, 100% { transform: scale(1); opacity: .75; }
      50% { transform: scale(1.55); opacity: 1; }
    }
    @keyframes slow-pan {
      from { transform: scale(1.04) translate3d(-1%, -1%, 0); }
      to { transform: scale(1.1) translate3d(1.5%, 1%, 0); }
    }
    @keyframes grid-drift {
      from { background-position: 0 0; }
      to { background-position: 72px 72px; }
    }
    @keyframes orbit-spin {
      to { transform: rotate(360deg); }
    }
    @keyframes float-particle {
      0%, 100% { transform: translate3d(0,0,0); opacity: .35; }
      50% { transform: translate3d(18px,-26px,0); opacity: 1; }
    }

    @media (max-width: 980px) {
      .nav-links {
        position: fixed;
        inset: 76px 16px auto;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 14px;
        border: 1px solid var(--rule);
        border-radius: 24px;
        background: rgba(11, 8, 18, .96);
        backdrop-filter: blur(20px);
        margin-left: 0;
        margin-right: 0;
      }
      .nav.open .nav-links { display: flex; }
      .nav-links a {
        padding: 14px;
        border-radius: 14px;
      }
      .nav-links a::after { display: none; }
      .nav-links a:hover { background: rgba(255,255,255,.06); }
      .menu-btn { display: block; }
      .hero {
        padding: 112px 0 60px;
        min-height: auto;
      }
      html[lang="en"] .nav-links a {
        font-size: 14px;
      }
      html[lang="en"] .hero {
        min-height: auto;
      }
      .hero h1 { font-size: clamp(48px, 12vw, 72px); line-height: 1.2; }
      .section-head,
      .tech-panel {
        grid-template-columns: 1fr;
        display: grid;
        gap: 28px;
      }
      .stats-grid,
      .product-grid,
      .mission-grid,
      .contact-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 640px) {
      .container { width: min(100% - 32px, var(--max)); }
      .brand span { font-size: 15px; }
      .lang-switch { height: 36px; padding: 0 11px; }
      .hero { padding-bottom: 48px; }
      html[lang="en"] .hero {
        padding-bottom: 48px;
      }
      .hero-content { text-align: left; }
      .cta-row { justify-content: flex-start; }
      .btn { width: 100%; }
      .stats-grid,
      .product-grid,
      .mission-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }
      section { padding: 56px 0; }
      #about { padding-top: 0; padding-bottom: 36px; }
      h2 { font-size: clamp(38px, 12vw, 58px); }
      .section-desc { font-size: 16px; }
      .section-head { margin-bottom: 36px; }
      .product-card { min-height: auto; padding: 24px; }
      .product-card-img,
      .product-visual {
        position: relative;
        width: 100%;
        right: auto;
        bottom: auto;
        height: 180px;
        margin-top: 16px;
        transform: none;
        box-shadow: none;
      }
      .product-card-img img {
        border-radius: 18px;
      }
      .product-cta {
        position: relative;
        left: auto;
        bottom: auto;
        margin-top: 16px;
      }
      .mission-card,
      .stat-card,
      .contact-card { padding: 24px; }
      .contact-card-address,
      .contact-card-phone,
      .contact-card-wechat { grid-column: auto; grid-row: auto; }
      .wechat-qr {
        width: 100%;
        height: auto;
      }
      .post-content img {
        width: 100%;
        border-radius: 12px;
      }
      .tech-panel { padding: 24px; border-radius: 26px; }
      .orbit { display: none; }
      .cursor-glow { display: none; }
      html[lang="en"] .eyebrow {
        height: auto;
        min-height: 38px;
        line-height: 1.25;
        align-items: flex-start;
        padding-top: 10px;
        padding-bottom: 10px;
      }
      html[lang="en"] .product-card {
        min-height: auto;
      }
      html[lang="en"] .mission-card {
        min-height: auto;
      }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
      }
    }

    /* ===== 文章详情页 ===== */
    .post-page {
      padding-top: 120px;
      padding-bottom: 100px;
      min-height: 100vh;
      background:
        radial-gradient(ellipse 60% 40% at 20% 10%, rgba(138,95,163,.06), transparent),
        radial-gradient(ellipse 50% 50% at 80% 80%, rgba(88,130,196,.04), transparent);
    }
    .post-article {
      max-width: 950px;
      margin: 0 auto;
    }
    .post-back {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--muted);
      font-size: 14px;
      margin-bottom: 40px;
      transition: color .25s var(--ease);
      letter-spacing: .02em;
    }
    .post-back:hover { color: var(--accent); }
    .post-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }
    .post-category {
      display: inline-block;
      padding: 5px 14px;
      border-radius: 999px;
      background: var(--accent-soft);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: .04em;
      transition: background .25s var(--ease);
    }
    .post-category:hover { background: rgba(138,95,163,.28); }
    .post-time {
      color: var(--muted-2);
      font-size: 13px;
      letter-spacing: .02em;
    }
    .post-title {
      font-size: clamp(34px, 5vw, 56px);
      line-height: 1.08;
      letter-spacing: -.04em;
      font-weight: 900;
      margin: 0 0 28px;
    }
    .post-cover {
      width: 100%;
      border-radius: 20px;
      margin-bottom: 40px;
      object-fit: cover;
      max-height: 440px;
      border: 1px solid var(--rule);
    }
    .post-divider {
      width: 48px;
      height: 3px;
      border-radius: 99px;
      background: var(--accent);
      margin-bottom: 40px;
    }
    .post-content {
      color: rgba(244,241,247,.88);
      font-size: 17px;
      line-height: 1.88;
      letter-spacing: .01em;
    }
    .post-content h1,
    .post-content h2,
    .post-content h3,
    .post-content h4 {
      color: var(--ink);
      letter-spacing: -.03em;
      margin: 2.2em 0 .7em;
      font-weight: 800;
    }
    .post-content h1 { font-size: clamp(28px, 4vw, 40px); }
    .post-content h2 {
      font-size: clamp(24px, 3.5vw, 34px);
      padding-bottom: 12px;
      border-bottom: 1px solid var(--rule);
    }
    .post-content h3 { font-size: clamp(20px, 3vw, 26px); }
    .post-content p { margin: 0 0 1.3em; }
    .post-content img {
      max-width: 100%;
      border-radius: 16px;
      margin: 1.6em 0;
    }
    .post-content a {
      color: #c3a0da;
      text-decoration: underline;
      text-underline-offset: 3px;
      transition: color .25s var(--ease);
    }
    .post-content a:hover { color: var(--ink); }
    .post-content blockquote {
      border-left: 3px solid var(--accent);
      padding: 14px 22px;
      margin: 1.6em 0;
      color: var(--muted);
      background: rgba(138,95,163,.06);
      border-radius: 0 14px 14px 0;
      font-style: italic;
    }
    .post-content pre {
      background: rgba(255,255,255,.04);
      border: 1px solid var(--rule);
      border-radius: 14px;
      padding: 22px 24px;
      overflow-x: auto;
      margin: 1.6em 0;
      font-size: 14px;
    }
    .post-content code {
      font-family: 'JetBrains Mono', 'Fira Code', monospace;
      font-size: .88em;
    }
    .post-content :not(pre) > code {
      background: rgba(255,255,255,.08);
      padding: 2px 8px;
      border-radius: 6px;
    }
    .post-content ul, .post-content ol {
      padding-left: 1.5em;
      margin: 0 0 1.3em;
    }
    .post-content li { margin-bottom: .5em; }
    .post-content table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      margin: 1.6em 0;
      border-radius: 14px;
      overflow: hidden;
      border: 1px solid var(--rule);
    }
    .post-content th, .post-content td {
      border-bottom: 1px solid var(--rule);
      border-right: 1px solid var(--rule);
      padding: 14px 18px;
      text-align: left;
      font-size: 15px;
    }
    .post-content th {
      background: rgba(138,95,163,.12);
      color: #d4b8e6;
      font-weight: 700;
    }
    .post-content tr:last-child td { border-bottom: 0; }
    .post-content th:last-child, .post-content td:last-child { border-right: 0; }
    .post-content tr:hover td { background: rgba(255,255,255,.03); }
    .post-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 48px;
      padding-top: 32px;
      border-top: 1px solid var(--rule);
    }
    .post-tag {
      padding: 5px 14px;
      border-radius: 999px;
      border: 1px solid var(--rule);
      color: var(--muted);
      font-size: 13px;
      transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
    }
    .post-tag:hover {
      border-color: var(--accent);
      color: var(--accent);
      background: var(--accent-soft);
    }
    .post-footer-cta {
      margin-top: 56px;
      padding-top: 36px;
      border-top: 1px solid var(--rule);
    }
    .post-footer-cta .btn {
      font-size: 15px;
    }

    /* ===== 侧边栏锚点导航 ===== */
    .side-nav {
      position: fixed;
      right: 28px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 90;
      display: flex;
      flex-direction: column;
      gap: 4px;
      opacity: 0;
      pointer-events: none;
      transition: opacity .5s var(--ease);
    }
    .side-nav.visible {
      opacity: 1;
      pointer-events: auto;
    }
    .side-nav-item {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
      padding: 10px 18px 10px 22px;
      border-radius: 12px;
      color: var(--muted-2);
      font-size: 13px;
      font-weight: 500;
      text-decoration: none;
      letter-spacing: .01em;
      white-space: nowrap;
      background: rgba(0,0,0,.75);
      border: 1px solid rgba(255,255,255,.06);
      backdrop-filter: blur(20px) saturate(1.4);
      -webkit-backdrop-filter: blur(20px) saturate(1.4);
      transition: color .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease), transform .3s var(--ease);
    }
    .side-nav-item::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 3px;
      height: 0;
      border-radius: 0 3px 3px 0;
      background: var(--accent);
      transition: height .3s var(--ease);
    }
    .side-nav-item:hover {
      color: var(--ink);
      background: rgba(0,0,0,.9);
      border-color: rgba(255,255,255,.1);
      transform: translateX(-4px);
    }
    .side-nav-item.active {
      color: #d4b8e6;
      background: rgba(20,10,30,.85);
      border-color: rgba(138,95,163,.25);
      box-shadow: 0 4px 20px rgba(138,95,163,.15);
    }
    .side-nav-item.active::before {
      height: 60%;
    }
    @media (max-width: 768px) {
      .side-nav { display: none; }
    }

    /* ===== 文章归档页 ===== */
    .archives-page {
      padding-top: 120px;
      padding-bottom: 80px;
      min-height: 100vh;
    }
    .archives-head {
      margin-bottom: 56px;
    }
    .archives-title {
      font-size: clamp(42px, 5vw, 72px);
      line-height: .96;
      letter-spacing: -.055em;
      font-weight: 900;
      margin: 0 0 14px;
    }
    .archives-desc {
      color: var(--muted);
      font-size: 18px;
      margin: 0;
    }
    .archives-list {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .archive-year {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 20px;
    }
    .year-label {
      font-size: 14px;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: .06em;
      position: sticky;
      top: 100px;
      align-self: start;
    }
    .year-posts {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .archive-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
      padding: 18px 24px;
      border-radius: 16px;
      border: 1px solid transparent;
      transition: background .25s var(--ease), border-color .25s var(--ease);
    }
    .archive-item:hover {
      background: rgba(255,255,255,.04);
      border-color: var(--rule);
    }
    .archive-item-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--ink);
      transition: color .25s var(--ease);
    }
    .archive-item:hover .archive-item-title { color: #c3a0da; }
    .archive-item-time {
      color: var(--muted-2);
      font-size: 13px;
      white-space: nowrap;
    }
    .archives-pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 20px;
      margin-top: 56px;
      padding-top: 32px;
      border-top: 1px solid var(--rule);
    }
    .page-btn {
      padding: 10px 22px;
      border-radius: 999px;
      border: 1px solid var(--rule);
      color: var(--ink);
      font-size: 14px;
      font-weight: 600;
      transition: border-color .25s var(--ease), background .25s var(--ease);
    }
    .page-btn:hover {
      border-color: var(--accent);
      background: var(--accent-soft);
    }
    .page-info {
      color: var(--muted);
      font-size: 14px;
    }
    @media (max-width: 768px) {
      .archive-year {
        grid-template-columns: 1fr;
        gap: 8px;
      }
      .year-label {
        position: static;
      }
    }