/* GPT328 Home V2 · migrated from the confirmed standalone demo. */
    :root {
      --ink: #111816;
      --muted: #65716c;
      --line: #dfe7e3;
      --paper: #f7f9f7;
      --card: #ffffff;
      --green: #10a37f;
      --green-dark: #087f64;
      --green-soft: #e8f7f2;
      --lime: #b8f35b;
      --violet: #7c5cff;
      --blue: #3b82f6;
      --dark: #101716;
      --radius-xl: 32px;
      --radius-lg: 24px;
      --radius-md: 17px;
      --shadow: 0 28px 80px rgba(21, 46, 39, .11);
      --shell: min(1180px, calc(100% - 48px));
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 82px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    body::before {
      position: fixed;
      z-index: -2;
      inset: 0;
      content: "";
      background:
        radial-gradient(circle at 12% 7%, rgba(184, 243, 91, .14), transparent 25%),
        radial-gradient(circle at 91% 16%, rgba(16, 163, 127, .13), transparent 24%),
        var(--paper);
      pointer-events: none;
    }
    a { color: inherit; text-decoration: none; }
    button { font: inherit; }
    svg { display: block; }
    .shell { width: var(--shell); margin: 0 auto; }
    .section { padding: 104px 0; }
    .section-soft { background: #f0f5f2; }

    .topbar {
      position: sticky;
      z-index: 100;
      top: 0;
      border-bottom: 1px solid rgba(223, 231, 227, .76);
      background: rgba(247, 249, 247, .84);
      backdrop-filter: blur(18px) saturate(150%);
    }
    .home-nav {
      display: flex;
      min-height: 74px;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .logo { display: inline-flex; align-items: center; gap: 11px; }
    .logo-mark {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      color: #fff;
      border-radius: 12px;
      background: var(--dark);
      box-shadow: 0 8px 22px rgba(16, 23, 22, .18);
      font-size: 14px;
      font-weight: 850;
    }
    .logo-name { font-size: 18px; font-weight: 850; letter-spacing: -.05em; }
    .logo-name em { color: var(--green); font-style: normal; }
    .logo-caption {
      margin-left: 2px;
      padding-left: 12px;
      color: #8b9691;
      border-left: 1px solid var(--line);
      font-size: 10px;
      font-weight: 700;
      letter-spacing: .08em;
    }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links > a {
      padding: 9px 11px;
      color: #55615d;
      border-radius: 10px;
      font-size: 13px;
      font-weight: 650;
    }
    .nav-links > a:hover { color: var(--green-dark); background: var(--green-soft); }
    .nav-blog { color: var(--green-dark) !important; background: var(--green-soft); font-weight: 850 !important; }
    .nav-cta { margin-left: 10px; color: #fff !important; background: var(--dark) !important; }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 22px;
      padding: 6px 10px 6px 7px;
      color: #47615a;
      border: 1px solid #d8e7e1;
      border-radius: 999px;
      background: rgba(255,255,255,.76);
      font-size: 11px;
      font-weight: 750;
    }
    .eyebrow-dot {
      width: 21px;
      height: 21px;
      border: 6px solid var(--dark);
      border-radius: 50%;
      background: var(--lime);
    }
    .section-kicker {
      display: inline-flex;
      margin-bottom: 14px;
      color: var(--green-dark);
      font-size: 11px;
      font-weight: 850;
      letter-spacing: .13em;
    }
    .section-head { max-width: 750px; margin-bottom: 45px; }
    .section-head.split {
      display: grid;
      max-width: none;
      grid-template-columns: minmax(0, 1fr) minmax(300px, .65fr);
      align-items: end;
      gap: 65px;
    }
    .section-title {
      margin: 0;
      font-size: clamp(34px, 4.6vw, 58px);
      font-weight: 820;
      line-height: 1.06;
      letter-spacing: -.065em;
    }
    .section-desc { margin: 17px 0 0; color: var(--muted); font-size: 15px; line-height: 1.82; }
    .section-head.split .section-desc { margin: 0 0 5px; }

    .btn {
      display: inline-flex;
      min-height: 49px;
      padding: 12px 19px;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 1px solid transparent;
      border-radius: 13px;
      cursor: pointer;
      font-size: 13px;
      font-weight: 750;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    }
    .btn:hover { transform: translateY(-2px); }
    .btn-primary { color: #fff; background: var(--green); box-shadow: 0 14px 30px rgba(16, 163, 127, .24); }
    .btn-primary:hover { background: var(--green-dark); }
    .btn-dark { color: #fff; background: var(--dark); }
    .btn-outline { color: var(--ink); border-color: var(--line); background: #fff; }
    .btn svg { width: 16px; height: 16px; }

    /* Hero */
    .hero { position: relative; padding: 88px 0 112px; overflow: hidden; }
    .hero::after {
      position: absolute;
      z-index: -1;
      top: 20px;
      right: -160px;
      width: 620px;
      height: 620px;
      content: "";
      border: 1px solid rgba(16, 163, 127, .08);
      border-radius: 50%;
      box-shadow: 0 0 0 70px rgba(16, 163, 127, .025), 0 0 0 140px rgba(16, 163, 127, .018);
    }
    .hero-grid {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, .83fr) minmax(520px, 1.17fr);
      align-items: center;
      gap: 70px;
    }
    .hero-title {
      margin: 0;
      font-size: clamp(54px, 6.4vw, 84px);
      font-weight: 850;
      line-height: .98;
      letter-spacing: -.082em;
    }
    .hero-title span { display: block; color: var(--green); }
    .hero-lead { max-width: 610px; margin: 27px 0 0; color: #586660; font-size: 17px; line-height: 1.85; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 32px; }
    .hero-proof { display: flex; flex-wrap: wrap; gap: 15px 22px; margin-top: 28px; }
    .hero-proof span { display: inline-flex; align-items: center; gap: 6px; color: #69756f; font-size: 11px; font-weight: 700; }
    .hero-proof svg { width: 14px; height: 14px; color: var(--green); }
    .member-service-bar {
      display: grid;
      max-width: 570px;
      margin-top: 25px;
      padding: 14px 15px;
      grid-template-columns: auto 1fr;
      align-items: center;
      gap: 12px;
      border: 1px solid #d8e7e1;
      border-radius: 15px;
      background: rgba(255,255,255,.78);
      box-shadow: 0 12px 35px rgba(21,46,39,.05);
    }
    .member-service-brand {
      display: grid;
      width: 38px;
      height: 38px;
      place-items: center;
      color: #fff;
      border-radius: 11px;
      background: var(--green);
      font-size: 11px;
      font-weight: 850;
    }
    .member-service-copy strong { display: block; margin-bottom: 5px; font-size: 11px; }
    .member-service-items { display: flex; flex-wrap: wrap; gap: 5px 12px; color: #75827c; font-size: 9px; font-weight: 700; }
    .member-service-items span::before { margin-right: 4px; color: var(--green); content: "•"; }
    .hero-plan-entry {
      display: grid;
      max-width: 570px;
      margin-top: 10px;
      padding: 15px 16px;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 16px;
      color: #fff;
      border: 1px solid rgba(255,255,255,.09);
      border-radius: 15px;
      background: #13231e;
      box-shadow: 0 16px 40px rgba(12,35,28,.12);
    }
    .hero-plan-entry strong { display: block; margin-bottom: 7px; font-size: 13px; }
    .hero-plan-types { display: flex; flex-wrap: wrap; gap: 6px 14px; color: #b9cbc4; font-size: 10px; font-weight: 700; }
    .hero-plan-types span::before { margin-right: 5px; color: #6fe2bc; content: "•"; }
    .hero-plan-entry b { padding: 8px 10px; color: #10221c; border-radius: 9px; background: #6fe2bc; font-size: 10px; white-space: nowrap; transition: transform .18s ease; }
    .hero-plan-entry:hover b { transform: translateX(3px); }

    .hero-tech-node {
      position: absolute;
      z-index: 7;
      top: 48%;
      left: 42.3%;
      width: 70px;
      height: 70px;
      pointer-events: none;
      transform: translate(-50%, -50%);
      filter: drop-shadow(0 12px 22px rgba(16,163,127,.2));
    }
    .hero-tech-node::before,
    .hero-tech-node::after {
      position: absolute;
      top: 50%;
      width: 38px;
      height: 1px;
      content: "";
      background: linear-gradient(90deg, transparent, rgba(16,163,127,.62));
    }
    .hero-tech-node::before { right: calc(100% - 7px); }
    .hero-tech-node::after { left: calc(100% - 7px); transform: rotate(180deg); }
    .tech-orbit { position: absolute; inset: 6px; border: 1px solid rgba(16,163,127,.28); border-radius: 50%; }
    .tech-orbit::before,
    .tech-orbit::after { position: absolute; content: ""; background: rgba(16,163,127,.45); }
    .tech-orbit::before { top: 50%; right: -5px; left: -5px; height: 1px; }
    .tech-orbit::after { top: -5px; bottom: -5px; left: 50%; width: 1px; }
    .tech-orbit i { position: absolute; top: 4px; left: 50%; width: 7px; height: 7px; border: 2px solid #effcf6; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(16,163,127,.85); transform: translateX(-50%); }
    .tech-orbit-a { animation: tech-spin 7s linear infinite; }
    .tech-orbit-b { inset: 14px; border-style: dashed; animation: tech-spin-reverse 4.5s linear infinite; }
    .tech-orbit-b i { top: auto; right: -1px; bottom: 5px; left: auto; width: 5px; height: 5px; }
    .tech-core { position: absolute; z-index: 2; inset: 21px; display: grid; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.65); background: #10251f; box-shadow: 0 0 0 5px rgba(16,163,127,.1), 0 0 25px rgba(16,163,127,.36); clip-path: polygon(25% 0,75% 0,100% 25%,100% 75%,75% 100%,25% 100%,0 75%,0 25%); animation: tech-pulse 2.4s ease-in-out infinite; }
    .tech-core svg { width: 18px; height: 18px; }
    .tech-scan { position: absolute; z-index: 3; top: 10px; bottom: 10px; left: 50%; width: 1px; background: linear-gradient(transparent, #6fe2bc, transparent); box-shadow: 0 0 9px #6fe2bc; animation: tech-scan 2.8s ease-in-out infinite; }
    .tech-code { position: absolute; top: calc(100% + 5px); left: 50%; color: var(--green-dark); font: 700 6px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .16em; text-align: center; transform: translateX(-50%); }
    @keyframes tech-spin { to { transform: rotate(360deg); } }
    @keyframes tech-spin-reverse { to { transform: rotate(-360deg); } }
    @keyframes tech-pulse { 50% { box-shadow: 0 0 0 9px rgba(16,163,127,.06), 0 0 34px rgba(16,163,127,.5); transform: scale(1.07); } }
    @keyframes tech-scan { 0%,100% { opacity: .25; transform: translateX(-20px); } 50% { opacity: 1; transform: translateX(20px); } }

    /* Hero holographic AI network */
    .holo-stage { position: relative; min-height: 585px; overflow: hidden; isolation: isolate; }
    .holo-stage::before { position: absolute; inset: 7% 3% 5%; content: ""; border-radius: 50%; background: radial-gradient(circle, rgba(16,163,127,.14) 0, rgba(16,163,127,.055) 28%, transparent 68%); filter: blur(3px); }
    .holo-stage::after { position: absolute; z-index: -1; right: 8%; bottom: 11%; left: 8%; height: 23%; content: ""; border: 1px solid rgba(16,163,127,.18); border-radius: 50%; background: radial-gradient(ellipse, rgba(16,163,127,.08), transparent 68%); box-shadow: 0 0 60px rgba(16,163,127,.08); transform: perspective(420px) rotateX(68deg); }
    .holo-grid { position: absolute; z-index: -1; right: 7%; bottom: 7%; left: 7%; height: 43%; opacity: .34; background-image: linear-gradient(rgba(16,163,127,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(16,163,127,.2) 1px, transparent 1px); background-size: 26px 26px; mask-image: radial-gradient(ellipse, #000 18%, transparent 72%); transform: perspective(420px) rotateX(62deg); transform-origin: center bottom; }
    .holo-scan { position: absolute; z-index: 2; top: 14%; bottom: 17%; left: 50%; width: 2px; opacity: .8; background: linear-gradient(transparent, #7cf0ca 25%, rgba(16,163,127,.18) 72%, transparent); box-shadow: 0 0 18px #6fe2bc; animation: holo-scan 3.6s ease-in-out infinite; }
    .holo-orbit { position: absolute; z-index: 1; top: 45%; left: 50%; border: 1px solid rgba(16,163,127,.36); border-radius: 50%; transform: translate(-50%,-50%); }
    .holo-orbit::before, .holo-orbit::after { position: absolute; content: ""; border-radius: inherit; }
    .holo-orbit::before { inset: 8px; border: 1px dashed rgba(16,163,127,.17); }
    .holo-orbit::after { inset: -5px; border: 1px solid rgba(16,163,127,.08); }
    .holo-orbit-one { width: 430px; height: 430px; animation: holo-rotate 18s linear infinite; }
    .holo-orbit-two { width: 330px; height: 330px; border-style: dashed; animation: holo-rotate-reverse 13s linear infinite; }
    .holo-orbit-three { width: 235px; height: 235px; border-color: rgba(111,226,188,.48); box-shadow: inset 0 0 35px rgba(16,163,127,.06), 0 0 28px rgba(16,163,127,.05); animation: holo-breathe 3s ease-in-out infinite; }
    .holo-orbit i { position: absolute; display: block; width: 8px; height: 8px; border: 2px solid #f4fff9; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px rgba(16,163,127,.8); }
    .holo-orbit-one i:first-child { top: 8%; left: 22%; }
    .holo-orbit-one i:nth-child(2) { top: 53%; right: -4px; }
    .holo-orbit-one i:nth-child(3) { bottom: 5%; left: 30%; }
    .holo-orbit-two i:first-child { top: -4px; left: 52%; }
    .holo-orbit-two i:nth-child(2) { right: 13%; bottom: 12%; }
    .holo-core { position: absolute; z-index: 4; top: 45%; left: 50%; width: 172px; height: 172px; transform: translate(-50%,-50%); }
    .holo-core-shell { position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.85); background: radial-gradient(circle at 35% 30%, #9ef3d7 0, #16b58a 12%, #0d755b 34%, #10251f 72%); box-shadow: inset -22px -25px 38px rgba(0,0,0,.28), inset 15px 15px 28px rgba(255,255,255,.2), 0 0 0 13px rgba(16,163,127,.06), 0 0 65px rgba(16,163,127,.34); clip-path: polygon(25% 2%,75% 2%,98% 25%,98% 75%,75% 98%,25% 98%,2% 75%,2% 25%); animation: holo-core-float 4s ease-in-out infinite; }
    .holo-core-shell::before, .holo-core-shell::after { position: absolute; content: ""; }
    .holo-core-shell::before { inset: 19px; border: 1px solid rgba(255,255,255,.2); clip-path: inherit; }
    .holo-core-shell::after { top: 14%; right: 17%; width: 25%; height: 11%; border-radius: 50%; background: rgba(255,255,255,.35); filter: blur(7px); transform: rotate(25deg); }
    .holo-core-mark { position: absolute; z-index: 2; inset: 0; display: grid; place-content: center; color: #fff; text-align: center; text-shadow: 0 2px 16px rgba(0,0,0,.32); }
    .holo-core-mark b { font-size: 34px; line-height: 1; letter-spacing: -.06em; }
    .holo-core-mark small { margin-top: 8px; font: 750 7px/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .24em; }
    .holo-tool { position: absolute; z-index: 6; display: grid; min-width: 132px; padding: 11px 14px 11px 46px; color: #173129; border: 1px solid rgba(16,163,127,.25); background: rgba(255,255,255,.7); box-shadow: 0 15px 34px rgba(20,61,49,.08); backdrop-filter: blur(12px); clip-path: polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .holo-tool::after { position: absolute; right: 8px; bottom: 6px; width: 20px; height: 1px; content: ""; background: var(--green); box-shadow: 0 -3px 0 rgba(16,163,127,.26); }
    .holo-tool > span { position: absolute; top: 50%; left: 11px; display: grid; width: 27px; height: 27px; place-items: center; color: #fff; border-radius: 8px; background: #10251f; transform: translateY(-50%); }
    .holo-tool svg { width: 15px; height: 15px; }
    .holo-tool strong { font-size: 11px; }
    .holo-tool small { margin-top: 3px; color: #6b7d76; font-size: 8px; }
    .holo-tool:hover { border-color: var(--green); box-shadow: 0 18px 42px rgba(16,163,127,.16); transform: translateY(-4px); }
    .holo-tool-chatgpt { top: 14%; right: 6%; }
    .holo-tool-claude { top: 31%; left: 0; }
    .holo-tool-gemini { right: 0; bottom: 27%; }
    .holo-tool-grok { bottom: 15%; left: 5%; }
    .holo-status { position: absolute; z-index: 5; right: 17%; bottom: 2%; left: 17%; display: grid; padding: 13px 16px; grid-template-columns: 1fr auto; align-items: center; gap: 4px 18px; color: #26473d; border-top: 1px solid rgba(16,163,127,.28); border-bottom: 1px solid rgba(16,163,127,.18); background: rgba(245,252,248,.58); backdrop-filter: blur(9px); }
    .holo-status span { font: 800 8px/1 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .1em; }
    .holo-status span i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #27cb91; box-shadow: 0 0 9px #27cb91; animation: holo-status 1.5s ease-in-out infinite; }
    .holo-status strong { color: var(--green-dark); font-size: 9px; letter-spacing: .07em; }
    .holo-status small { grid-column: 1/-1; color: #81918b; font: 650 7px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .09em; }
    @keyframes holo-rotate { to { transform: translate(-50%,-50%) rotate(360deg); } }
    @keyframes holo-rotate-reverse { to { transform: translate(-50%,-50%) rotate(-360deg); } }
    @keyframes holo-breathe { 50% { opacity: .6; transform: translate(-50%,-50%) scale(1.07); } }
    @keyframes holo-core-float { 50% { transform: translateY(-8px) rotate(3deg); } }
    @keyframes holo-scan { 0%,100% { opacity: .2; transform: translateX(-64px); } 50% { opacity: .9; transform: translateX(64px); } }
    @keyframes holo-status { 50% { opacity: .35; } }

    .experience-window {
      position: relative;
      display: grid;
      min-height: 585px;
      grid-template-columns: 132px 1fr;
      overflow: hidden;
      border: 1px solid rgba(20, 45, 37, .13);
      border-radius: 26px;
      background: #fff;
      box-shadow: var(--shadow);
      transform: rotateY(-2deg) rotateX(1deg);
    }
    .window-bar {
      position: absolute;
      z-index: 5;
      top: 0;
      right: 0;
      left: 0;
      display: flex;
      height: 39px;
      padding: 0 14px;
      align-items: center;
      gap: 6px;
      border-bottom: 1px solid #e5ebe8;
      background: #fbfcfb;
    }
    .window-bar i { width: 8px; height: 8px; border-radius: 50%; background: #d8dfdc; }
    .window-bar i:first-child { background: #ff7b6b; }
    .window-bar i:nth-child(2) { background: #f3c95a; }
    .window-bar i:nth-child(3) { background: #57c882; }
    .window-bar span { margin-left: auto; color: #9aa39f; font-size: 9px; font-weight: 700; letter-spacing: .08em; }
    .demo-sidebar { padding: 58px 11px 15px; color: #d8dfdc; background: #171c1b; }
    .demo-side-logo { display: flex; margin: 0 6px 24px; align-items: center; gap: 8px; color: #fff; font-size: 11px; font-weight: 800; }
    .demo-side-logo b { display: grid; width: 24px; height: 24px; place-items: center; border-radius: 8px; background: var(--green); }
    .demo-side-item { display: flex; margin-bottom: 5px; padding: 8px; align-items: center; gap: 7px; border-radius: 8px; font-size: 9px; }
    .demo-side-item.active { color: #fff; background: #2a312f; }
    .demo-side-item i { width: 7px; height: 7px; border: 1px solid currentColor; border-radius: 2px; }
    .demo-main { position: relative; display: flex; padding: 61px 24px 20px; flex-direction: column; background: #fff; }
    .demo-model { display: flex; align-items: center; justify-content: space-between; color: #1f2926; font-size: 10px; font-weight: 800; }
    .demo-model span { padding: 5px 8px; color: #7a8782; border: 1px solid #e0e8e4; border-radius: 7px; font-size: 8px; }
    .demo-thread { display: grid; gap: 17px; margin-top: 32px; }
    .demo-message { display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
    .demo-avatar { display: grid; width: 28px; height: 28px; place-items: center; color: #fff; border-radius: 9px; background: var(--dark); font-size: 9px; font-weight: 850; }
    .demo-avatar.user { color: #456059; background: var(--green-soft); }
    .demo-bubble { color: #45524d; font-size: 10px; line-height: 1.65; }
    .demo-bubble strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: 9px; }
    .file-chip { display: flex; max-width: 250px; margin-top: 9px; padding: 9px; align-items: center; gap: 9px; border: 1px solid #dfe8e4; border-radius: 10px; background: #fafcfb; }
    .file-chip-icon { display: grid; width: 28px; height: 32px; place-items: center; color: var(--green-dark); border-radius: 7px; background: var(--green-soft); font-size: 8px; font-weight: 850; }
    .file-chip span { display: grid; gap: 2px; color: #28332f; font-size: 8px; font-weight: 750; }
    .file-chip small { color: #929c98; font-size: 7px; font-weight: 500; }
    .analysis-card { margin-top: 10px; padding: 11px; border: 1px solid #dfe8e4; border-radius: 11px; background: #f8fbf9; }
    .analysis-head { display: flex; align-items: center; justify-content: space-between; color: #31403a; font-size: 8px; font-weight: 800; }
    .analysis-head span { color: var(--green-dark); }
    .analysis-bars { display: grid; gap: 6px; margin-top: 9px; }
    .analysis-bars i { display: block; height: 5px; overflow: hidden; border-radius: 999px; background: #e5ede9; }
    .analysis-bars i::after { display: block; width: var(--w); height: 100%; content: ""; border-radius: inherit; background: linear-gradient(90deg, var(--green), var(--lime)); }
    .code-card { margin-top: 9px; padding: 10px 12px; color: #c9d6d1; border-radius: 10px; background: #18201e; font: 8px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; }
    .code-card b { color: #b8f35b; font-weight: 500; }
    .code-card em { color: #7dd3fc; font-style: normal; }
    .service-intent { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
    .service-intent span { padding: 6px 8px; color: var(--green-dark); border: 1px solid #d4e7df; border-radius: 8px; background: var(--green-soft); font-size: 8px; font-weight: 800; }
    .member-route-card { margin-top: 10px; padding: 12px; border: 1px solid #d8e6e0; border-radius: 12px; background: #f7faf8; }
    .member-route-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #25332e; font-size: 9px; font-weight: 850; }
    .member-route-head span { padding: 4px 6px; color: #fff; border-radius: 6px; background: var(--green); font-size: 7px; }
    .member-route-options { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 10px; }
    .member-route-options span { padding: 8px; color: #35463f; border: 1px solid #dce8e3; border-radius: 8px; background: #fff; font-size: 8px; font-weight: 750; }
    .service-steps { display: flex; margin-top: 9px; align-items: center; justify-content: space-between; gap: 4px; color: #7c8984; font-size: 7px; font-weight: 700; }
    .service-steps span { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
    .service-steps b { display: grid; width: 15px; height: 15px; place-items: center; color: #fff; border-radius: 50%; background: var(--green); font-size: 7px; }
    .demo-composer { display: flex; min-height: 43px; margin-top: auto; padding: 8px 9px 8px 13px; align-items: center; color: #99a39f; border: 1px solid #dce5e1; border-radius: 13px; box-shadow: 0 8px 22px rgba(20,45,37,.06); font-size: 9px; }
    .demo-send { display: grid; width: 27px; height: 27px; margin-left: auto; place-items: center; color: #fff; border-radius: 8px; background: var(--green); }
    .floating-mode {
      position: absolute;
      z-index: 8;
      right: -24px;
      bottom: 90px;
      display: grid;
      width: 145px;
      padding: 14px;
      gap: 8px;
      border: 1px solid rgba(255,255,255,.9);
      border-radius: 17px;
      background: rgba(255,255,255,.86);
      box-shadow: 0 20px 55px rgba(21,46,39,.16);
      backdrop-filter: blur(15px);
    }
    .floating-mode small { color: #8a9691; font-size: 8px; font-weight: 750; letter-spacing: .08em; }
    .floating-mode strong { font-size: 12px; }
    .mode-row { display: flex; gap: 5px; }
    .mode-row span { padding: 4px 5px; color: var(--green-dark); border-radius: 5px; background: var(--green-soft); font-size: 7px; font-weight: 750; }

    /* Capabilities */
    .cap-grid { display: grid; grid-template-columns: repeat(5, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--card); box-shadow: 0 18px 60px rgba(21,46,39,.06); }
    .cap-card { position: relative; min-height: 300px; padding: 24px; border-right: 1px solid var(--line); transition: color .2s ease, background .2s ease; }
    .cap-card:last-child { border-right: 0; }
    .cap-card:hover { color: #fff; background: var(--dark); }
    .cap-icon { display: grid; width: 42px; height: 42px; place-items: center; color: var(--green-dark); border-radius: 13px; background: var(--green-soft); }
    .cap-icon svg { width: 21px; height: 21px; }
    .cap-index { position: absolute; top: 25px; right: 23px; color: #c9d2ce; font-size: 10px; font-weight: 850; }
    .cap-card h3 { margin: 64px 0 10px; font-size: 18px; letter-spacing: -.03em; }
    .cap-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
    .cap-card:hover p { color: #aab7b2; }
    .cap-value { position: absolute; right: 24px; bottom: 23px; left: 24px; display: flex; padding-top: 13px; align-items: center; justify-content: space-between; color: var(--green-dark); border-top: 1px solid var(--line); font-size: 10px; font-weight: 800; }
    .cap-card:hover .cap-value { color: var(--lime); border-color: #35403d; }

    /* Product */
    .product-section { background: var(--dark); color: #fff; }
    .product-section .section-kicker { color: var(--lime); }
    .product-section .section-title { color: #fff; }
    .product-section .section-desc { color: #aab7b2; }
    .product-stage { display: grid; grid-template-columns: minmax(0, .72fr) minmax(500px, 1.28fr); gap: 32px; }
    .product-intro { position: relative; padding: 38px; overflow: hidden; border: 1px solid #303b38; border-radius: var(--radius-lg); background: #161e1c; }
    .product-intro::after { position: absolute; right: -90px; bottom: -120px; width: 280px; height: 280px; content: ""; border-radius: 50%; background: rgba(16,163,127,.18); filter: blur(5px); }
    .product-logo { display: grid; width: 58px; height: 58px; place-items: center; border-radius: 18px; background: var(--green); }
    .product-logo svg { width: 31px; height: 31px; }
    .product-intro h3 { margin: 68px 0 13px; font-size: 39px; line-height: 1; letter-spacing: -.055em; }
    .product-intro p { max-width: 380px; margin: 0; color: #aab7b2; font-size: 13px; line-height: 1.8; }
    .product-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
    .product-tags span { padding: 6px 8px; color: #cbd8d3; border: 1px solid #35413e; border-radius: 7px; font-size: 9px; font-weight: 700; }
    .product-plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .product-plan { display: flex; min-height: 245px; padding: 25px; flex-direction: column; border: 1px solid #303b38; border-radius: 19px; background: #151c1a; transition: transform .2s ease, border-color .2s ease; }
    .product-plan:hover { border-color: #52625d; transform: translateY(-4px); }
    .product-plan.featured { color: var(--ink); border-color: var(--lime); background: var(--lime); }
    .product-plan.redeem-plan { opacity: .76; border-color: #28312f; background: #111715; }
    .product-plan.redeem-plan:hover { opacity: 1; border-color: #3d4945; transform: translateY(-2px); }
    .plan-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
    .plan-top span { color: #91a09a; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
    .featured .plan-top span { color: #486126; }
    .plan-badge { padding: 5px 7px; color: var(--green-dark) !important; border-radius: 5px; background: #fff; }
    .product-plan h4 { margin: 30px 0 8px; font-size: 18px; }
    .product-plan p { margin: 0; color: #95a49e; font-size: 10px; line-height: 1.65; }
    .featured p { color: #486126; }
    .plan-price { display: flex; min-height: 46px; margin-top: 17px; padding: 10px 11px; align-items: center; justify-content: space-between; gap: 10px; border: 1px solid #303b38; border-radius: 10px; background: rgba(255,255,255,.025); }
    .plan-price span { color: #82918b; font-size: 8px; font-weight: 750; letter-spacing: .05em; }
    .plan-price strong { color: #f2f7f5; font-size: 11px; text-align: right; }
    .price-value { display: flex; align-items: center; gap: 4px; }
    .price-value em { color: inherit; font-size: 12px; font-style: normal; }
    .price-value i { position: relative; display: block; width: 48px; height: 18px; overflow: hidden; border-radius: 5px; background: rgba(255,255,255,.11); }
    .price-value i::after { position: absolute; inset: 0; content: ""; background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.16) 50%, transparent 80%); transform: translateX(-100%); animation: price-shimmer 1.8s infinite; }
    .price-value small { color: #899791; font-size: 7px; font-weight: 650; }
    .featured .plan-price { border-color: rgba(48,67,25,.18); background: rgba(255,255,255,.28); }
    .featured .plan-price span { color: #587034; }
    .featured .plan-price strong { color: #263717; }
    .featured .price-value i { background: rgba(48,67,25,.14); }
    .featured .price-value small { color: #587034; }
    .plan-points { display: grid; gap: 7px; margin: 14px 0 0; padding: 0; list-style: none; }
    .plan-points li { position: relative; padding-left: 14px; color: #95a49e; font-size: 9px; line-height: 1.45; }
    .plan-points li::before { position: absolute; left: 0; color: var(--green); content: "✓"; font-weight: 850; }
    .featured .plan-points li { color: #486126; }
    .featured .plan-points li::before { color: var(--green-dark); }
    .plan-action { display: flex; min-height: 38px; margin-top: auto; padding: 10px 12px; align-items: center; justify-content: space-between; color: #fff; border: 1px solid var(--green); border-radius: 10px; background: var(--green); box-shadow: 0 10px 24px rgba(16,163,127,.15); font-size: 9px; font-weight: 850; }
    .featured .plan-action { color: #fff; border-color: #17261f; background: #17261f; box-shadow: 0 10px 24px rgba(23,38,31,.15); }

    /* AI tool selector: reuse GPT328's existing dark product stage and palette. */
    .ai-tool-card { min-height: 360px; }
    .ai-tool-head { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 13px; }
    .ai-tool-icon { display: grid; width: 48px; height: 48px; place-items: center; color: #fff; border: 1px solid #35413e; border-radius: 14px; }
    .ai-tool-icon svg { width: 25px; height: 25px; }
    .featured .ai-tool-icon { color: #fff; border-color: var(--green); background: var(--green); }
    .ai-tool-head > div > span { color: #91a09a; font-size: 10px; font-weight: 800; letter-spacing: .04em; }
    .featured .ai-tool-head > div > span { color: #486126; }
    .product-plan .ai-tool-head h4 { margin: 3px 0 0; font-size: 23px; letter-spacing: -.035em; }
    .product-plan.ai-tool-card > p { margin-top: 18px; font-size: 13px; line-height: 1.75; }
    .ai-tool-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 17px; }
    .ai-tool-tags span { padding: 6px 8px; color: #b7c5bf; border: 1px solid #35413e; border-radius: 7px; font-size: 9px; font-weight: 750; }
    .featured .ai-tool-tags span { color: #3f5722; border-color: rgba(48,67,25,.2); background: rgba(255,255,255,.24); }
    .ai-tool-note { margin: 17px 0 20px; color: #8f9f98; font-size: 10px; line-height: 1.65; }
    .featured .ai-tool-note { color: #486126; }
    .redeem-plan .plan-action { color: #b6c3be; border-color: #36413d; background: transparent; box-shadow: none; }
    .sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
    @keyframes price-shimmer { to { transform: translateX(100%); } }

    /* Why GPT328 */
    .why-section { position: relative; overflow: hidden; background: #fff; }
    .why-section::before {
      position: absolute;
      top: -210px;
      left: -150px;
      width: 460px;
      height: 460px;
      content: "";
      border-radius: 50%;
      background: rgba(184,243,91,.1);
      filter: blur(4px);
    }
    .why-grid { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 22px 70px rgba(21,46,39,.07); }
    .why-card { position: relative; min-height: 265px; padding: 25px; border-right: 1px solid var(--line); }
    .why-card:last-child { border-right: 0; }
    .why-num { position: absolute; top: 25px; right: 23px; color: #cbd4d0; font-size: 9px; font-weight: 850; letter-spacing: .12em; }
    .why-icon { display: grid; width: 43px; height: 43px; place-items: center; color: var(--green-dark); border-radius: 13px; background: var(--green-soft); }
    .why-icon svg { width: 21px; height: 21px; }
    .why-card h3 { margin: 55px 0 9px; font-size: 16px; letter-spacing: -.025em; }
    .why-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
    .why-note { display: flex; margin-top: 18px; padding: 15px 18px; align-items: center; justify-content: space-between; gap: 20px; color: #67746e; border: 1px solid var(--line); border-radius: 13px; background: #f8faf9; font-size: 10px; }
    .why-note strong { color: var(--ink); }
    .why-note span { color: var(--green-dark); font-weight: 800; }

    /* Other AI */
    .other-ai-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .other-ai-card { display: grid; min-height: 180px; padding: 22px; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 0 15px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
    .other-ai-logo { display: grid; width: 43px; height: 43px; place-items: center; border: 1px solid var(--line); border-radius: 13px; background: #f8faf9; font-size: 15px; font-weight: 850; }
    .other-ai-copy { align-self: center; }
    .other-ai-copy span { color: #89958f; font-size: 9px; font-weight: 750; }
    .other-ai-copy h3 { margin: 5px 0 4px; font-size: 17px; }
    .other-ai-copy p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.6; }
    .other-ai-link { grid-column: 1/-1; display: flex; padding-top: 13px; align-items: center; justify-content: space-between; color: #7c8983; border-top: 1px solid var(--line); font-size: 10px; font-weight: 750; }

    /* Blog */
    .blog-grid { display: grid; grid-template-columns: 1.15fr repeat(3, 1fr); gap: 14px; }
    .blog-card { position: relative; display: flex; min-height: 285px; padding: 23px; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 19px; background: #fff; }
    .blog-card.featured { color: #fff; border: 0; background: linear-gradient(145deg, #111816, #164d3e); }
    .blog-tag { align-self: flex-start; padding: 5px 7px; color: var(--green-dark); border-radius: 6px; background: var(--green-soft); font-size: 8px; font-weight: 850; letter-spacing: .05em; }
    .featured .blog-tag { color: var(--lime); background: rgba(255,255,255,.1); }
    .blog-arrow { position: absolute; top: 21px; right: 21px; display: grid; width: 29px; height: 29px; place-items: center; color: #84928c; border: 1px solid var(--line); border-radius: 50%; font-size: 11px; }
    .featured .blog-arrow { color: #fff; border-color: rgba(255,255,255,.2); }
    .blog-card h3 { margin: auto 0 10px; font-size: 17px; line-height: 1.42; letter-spacing: -.025em; }
    .blog-card p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.7; }
    .featured p { color: #b9c8c2; }
    .blog-more { margin-top: 25px; text-align: center; }

    /* Process */
    .process-wrap { position: relative; padding: 48px; overflow: hidden; border-radius: var(--radius-lg); background: #fff; box-shadow: 0 20px 60px rgba(21,46,39,.07); }
    .process-wrap::after { position: absolute; right: -80px; bottom: -130px; width: 300px; height: 300px; content: ""; border-radius: 50%; background: rgba(16,163,127,.07); }
    .process-list { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 42px; }
    .process-list::before { position: absolute; top: 19px; right: 10%; left: 10%; height: 1px; content: ""; background: #cfe1da; }
    .process-step { position: relative; padding: 0 20px; text-align: center; }
    .process-num { position: relative; z-index: 1; display: grid; width: 38px; height: 38px; margin: 0 auto 18px; place-items: center; color: #fff; border: 5px solid #fff; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 1px #cfe1da; font-size: 9px; font-weight: 850; }
    .process-step h3 { margin: 0 0 7px; font-size: 14px; }
    .process-step p { margin: 0; color: var(--muted); font-size: 10px; line-height: 1.65; }

    /* FAQ */
    .faq { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--line); }
    .faq-item { border-bottom: 1px solid var(--line); }
    .faq-trigger { display: flex; width: 100%; min-height: 76px; padding: 20px 4px; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink); border: 0; background: transparent; cursor: pointer; text-align: left; font-size: 14px; font-weight: 750; }
    .faq-plus { position: relative; width: 28px; height: 28px; flex: 0 0 auto; border-radius: 50%; background: var(--green-soft); }
    .faq-plus::before, .faq-plus::after { position: absolute; top: 50%; left: 50%; width: 10px; height: 1.5px; content: ""; background: var(--green-dark); transform: translate(-50%,-50%); }
    .faq-plus::after { transform: translate(-50%,-50%) rotate(90deg); transition: transform .18s ease; }
    .faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .22s ease; }
    .faq-answer > div { overflow: hidden; }
    .faq-answer p { margin: 0; padding: 0 52px 22px 4px; color: var(--muted); font-size: 12px; line-height: 1.8; }
    .faq-item.open .faq-answer { grid-template-rows: 1fr; }
    .faq-item.open .faq-plus::after { transform: translate(-50%,-50%) rotate(0); }

    .footer { padding: 34px 0; color: #81908a; border-top: 1px solid var(--line); background: #fff; font-size: 10px; }
    .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
    .footer strong { color: var(--ink); }

    @media (max-width: 1050px) {
      .hero-tech-node { display: none; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-copy { max-width: 760px; }
      .holo-stage { width: 100%; max-width: 720px; min-width: 0; }
      .experience-window { width: min(100%, 720px); }
      .floating-mode { right: 18px; }
      .cap-grid { grid-template-columns: repeat(3, 1fr); }
      .cap-card { border-bottom: 1px solid var(--line); }
      .cap-card:nth-child(3) { border-right: 0; }
      .product-stage { grid-template-columns: 1fr; }
      .why-grid { grid-template-columns: repeat(2, 1fr); }
      .why-card:nth-child(2) { border-right: 0; }
      .why-card:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
      .blog-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (prefers-reduced-motion: reduce) {
      .tech-orbit-a, .tech-orbit-b, .tech-core, .tech-scan { animation: none; }
      .holo-orbit, .holo-core-shell, .holo-scan, .holo-status span i { animation: none; }
    }
    @media (max-width: 900px) {
      .nav-ai { display: none; }
    }
    @media (max-width: 760px) {
      :root { --shell: min(100% - 30px, 1180px); }
      .section { padding: 76px 0; }
      .logo-caption, .nav-links > a:not(.nav-cta):not(.nav-blog) { display: none; }
      .section-head.split { grid-template-columns: 1fr; gap: 16px; }
      .section-head.split .section-desc { margin: 0; }
      .hero { padding: 62px 0 80px; }
      .hero-title { font-size: clamp(48px, 15vw, 70px); }
      .holo-stage { min-height: 520px; }
      .holo-orbit-one { width: 390px; height: 390px; }
      .holo-orbit-two { width: 300px; height: 300px; }
      .experience-window { min-height: 530px; grid-template-columns: 1fr; transform: none; }
      .demo-sidebar { display: none; }
      .demo-main { padding-top: 59px; }
      .floating-mode { display: none; }
      .cap-grid { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
      .cap-card { min-width: 245px; min-height: 270px; border-right: 1px solid var(--line) !important; scroll-snap-align: start; }
      .product-plans { grid-template-columns: 1fr; }
      .other-ai-grid { grid-template-columns: 1fr; }
      .why-grid { grid-template-columns: 1fr; }
      .why-card { min-height: 220px; border-right: 0 !important; border-bottom: 1px solid var(--line); }
      .why-card:last-child { border-bottom: 0; }
      .why-note { align-items: flex-start; flex-direction: column; }
      .blog-grid { grid-template-columns: 1fr; }
      .blog-card { min-height: 230px; }
      .process-wrap { padding: 34px 22px; }
      .process-list { grid-template-columns: 1fr; gap: 0; }
      .process-list::before { top: 19px; bottom: 20px; left: 19px; width: 1px; height: auto; }
      .process-step { display: grid; grid-template-columns: 38px 1fr; padding: 0 0 24px; gap: 16px; text-align: left; }
      .process-num { margin: 0; }
      .footer-inner { align-items: flex-start; flex-direction: column; }
    }
    @media (max-width: 450px) {
      .hero-actions { align-items: stretch; flex-direction: column; }
      .hero-actions .btn { width: 100%; }
      .holo-stage { width: 100%; max-width: 100%; min-height: 470px; margin-inline: 0; }
      .holo-orbit-one { width: 315px; height: 315px; }
      .holo-orbit-two { width: 250px; height: 250px; }
      .holo-orbit-three { width: 185px; height: 185px; }
      .holo-core { width: 132px; height: 132px; }
      .holo-core-mark b { font-size: 27px; }
      .holo-tool { min-width: 112px; padding: 9px 10px 9px 38px; }
      .holo-tool > span { left: 8px; width: 24px; height: 24px; }
      .holo-tool-chatgpt { top: 10%; right: 8px; }
      .holo-tool-claude { top: 28%; left: 8px; }
      .holo-tool-gemini { right: 8px; bottom: 24%; }
      .holo-tool-grok { bottom: 13%; left: 8px; }
      .holo-status { right: 10%; left: 10%; }
      .experience-window { min-height: 490px; }
      .demo-main { padding-inline: 14px; }
      .product-intro { padding: 27px; }
      .product-intro h3 { margin-top: 45px; font-size: 32px; }
    }
@media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    }

/* Real storefront integration: dynamic Plans::all() cards and original service links. */
.product-commerce { display: grid; gap: 14px; min-width: 0; }
.product-commerce .product-plans { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.product-commerce .product-plan { min-height: 330px; }
.product-plan.featured > p { color: #486126; }
.plan-real-price { display: flex; align-items: baseline; gap: 3px; font-size: 23px !important; letter-spacing: -.04em; }
.plan-real-price em { font-size: 12px; font-style: normal; }
.plan-real-price small { color: #899791; font-size: 7px; font-weight: 650; letter-spacing: 0; }
.featured .plan-real-price small { color: #587034; }
.product-detail-link { position: relative; z-index: 1; display: inline-flex; margin-top: 25px; color: #c9d8d2; font-size: 10px; font-weight: 800; }
.product-detail-link:hover { color: var(--lime); }
.redeem-strip { display: flex; min-height: 68px; padding: 14px 16px; align-items: center; justify-content: space-between; gap: 18px; color: #b7c4bf; border: 1px solid #303b38; border-radius: 15px; background: #121917; }
.redeem-strip span { display: grid; gap: 4px; }
.redeem-strip small { color: #75837e; font-size: 8px; font-weight: 750; }
.redeem-strip strong { color: #dce5e1; font-size: 11px; }
.redeem-strip > b { color: #8fa19a; font-size: 9px; white-space: nowrap; }
.redeem-strip:hover { border-color: #53615c; }
.redeem-strip:hover > b { color: var(--lime); }
.faq-section-head { margin-inline: auto; text-align: center; }
.faq { display: block; gap: 0; }
.faq-item,
.faq-item:hover,
.faq-item.open { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; box-shadow: none; transform: none; }

@media (max-width: 760px) {
  .product-commerce .product-plans { grid-template-columns: 1fr; }
  .product-commerce .product-plan { min-height: 300px; }
}

@media (max-width: 450px) {
  .redeem-strip { align-items: flex-start; flex-direction: column; }
}

/* 320px class devices only: keep brand, blog and plan CTA on one line. */
@media (max-width: 340px) {
  .home-nav { gap: 4px; }
  .logo { gap: 5px; min-width: 0; }
  .logo-mark { width: 30px; height: 30px; flex: 0 0 30px; }
  .logo-name { font-size: 14px; white-space: nowrap; }
  .nav-links { gap: 0; flex: 0 0 auto; }
  .nav-links > a { padding: 6px 5px; font-size: 11px; white-space: nowrap; }
  .nav-cta { margin-left: 0; }
}