.container { max-width: 1280px; margin: 0 auto; padding: 0 28px; }
  section { padding: 110px 0; position: relative; }

  /* Chrome — single-use only, applied once to the Hero H1 accent keyword. Do not reuse elsewhere. */
  .chrome {
    color: var(--ink); /* fallback when background-clip:text fails or isn't supported */
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  /* Buttons */
  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 15px; font-weight: 700;
    padding: 14px 24px;
    border-radius: 999px;
    text-decoration: none; cursor: pointer;
    white-space: nowrap;
    transition: all .25s;
    letter-spacing: -0.01em;
    border: 2px solid transparent;
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    color: #fff;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.1), 0 8px 32px rgba(155,91,255,0.5);
  }
  .btn-primary:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 0 0 2px rgba(255,255,255,0.2), 0 12px 40px rgba(155,91,255,0.7); }
  .btn-glass {
    background: rgba(255,255,255,0.06);
    color: var(--ink);
    border-color: rgba(255,255,255,0.2);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }
  .btn-glass:hover { background: rgba(255,255,255,0.12); border-color: var(--cyan); color: var(--cyan); }

  /* NAV */
  nav.site {
    position: fixed; top: 16px; left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    width: calc(100% - 32px);
    max-width: 1180px;
    padding: 8px 8px 8px 20px;
    display: flex; align-items: center; gap: 16px;
    border-radius: 999px;
    background: rgba(10, 4, 24, 0.7);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    backdrop-filter: blur(20px) saturate(1.4);
    border: 1px solid rgba(255,255,255,0.12);
    box-shadow: 0 0 0 1px rgba(255,255,255,0.04) inset, 0 8px 32px rgba(0,0,0,0.4);
  }
  .nav-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); white-space: nowrap; }
  .nav-mark {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: block;
    object-fit: cover;
    box-shadow: 0 0 16px rgba(155,91,255,0.6);
  }
  .nav-name { font-weight: 700; font-size: 18px; letter-spacing: -0.02em; }
  .nav-name span { font-family: "Noto Sans TC", sans-serif; color: var(--ink-2); margin-left: 6px; font-size: 14px; font-weight: 500; }
  .nav-links { display: flex; gap: 2px; margin-left: auto; }
  .nav-links a {
    padding: 8px 14px; font-size: 14px; font-weight: 500;
    color: var(--ink-2); text-decoration: none;
    border-radius: 999px;
    display: flex; align-items: center; gap: 6px;
    transition: all .2s;
  }
  .nav-links a .num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--cyan); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
  }
  .nav-links a:hover { background: rgba(255,255,255,0.08); color: var(--ink); }
  .nav-cta { padding: 10px 20px; font-size: 14px; }

  /* HERO */
  .hero { padding-top: 160px; padding-bottom: 100px; text-align: center; position: relative; overflow: hidden; }
  .hero-accent-blob {
    position: absolute;
    top: 18%; left: 50%;
    width: 640px; height: 640px;
    transform: translateX(-50%);
    border-radius: 50%;
    background: var(--violet);
    filter: blur(120px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
  }
  .hero > .container { position: relative; z-index: 1; }
  .hero-tag {
    display: inline-flex; align-items: center; gap: 12px;
    padding: 8px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    font-size: 13px; color: var(--ink-2);
    margin-bottom: 32px;
    font-weight: 500;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    white-space: nowrap;
  }
  .hero-tag .star {
    width: 14px; height: 14px;
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  }
  .hero h1 {
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: clamp(44px, 6.5vw, 96px);
    line-height: 1.05; font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
    font-variation-settings: "wdth" 110;
  }
  .hero h1 .han { font-weight: 900; }
  .hero h1 .chrome { display: inline-block; }
  .hero p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 18px; line-height: 1.7;
    max-width: 600px; margin: 0 auto 40px;
    color: var(--ink-2);
  }
  .hero-actions {
    display: flex; justify-content: center; gap: 12px; flex-wrap: wrap;
    margin-bottom: 80px;
  }

  /* Hero stats */
  .hero-stats {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 900px; margin: 0 auto;
  }
  .hstat {
    padding: 28px 20px;
    border-radius: 28px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    text-align: left;
    position: relative;
    overflow: hidden;
  }
  .hstat .n {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--cyan); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
    margin-bottom: 8px;
  }
  .hstat .v {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 700; line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: 6px;
    font-variant-numeric: tabular-nums;
  }
  .hstat-1 .v { color: var(--violet); }
  .hstat-2 .v { color: var(--cyan); }
  .hstat-3 .v { color: var(--violet); }
  .hstat .v small { font-size: 0.4em; color: var(--ink-2); font-weight: 500; margin-left: 4px; }
  .hstat .l {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 13px; color: var(--ink-2);
  }

  /* Section header */
  .sec-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 13px; color: var(--cyan); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
    margin-bottom: 20px;
  }
  .sec-eyebrow .num {
    color: var(--violet); font-weight: 500;
  }
  .sec-title {
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: clamp(32px, 4vw, 56px);
    line-height: 1.05; font-weight: 700;
    letter-spacing: -0.03em;
  }
  .sec-sub {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 17px; color: var(--ink-2);
    line-height: 1.7; max-width: 600px;
    margin-top: 16px;
  }
  .sec-head { text-align: center; margin-bottom: 64px; display: flex; flex-direction: column; align-items: center; }
  .sec-head .sec-sub { margin-left: auto; margin-right: auto; }

  /* PAINS */
  .pains-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 20px; max-width: 1100px; margin: 0 auto;
  }
  .pain {
    padding: 36px;
    border-radius: 28px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    position: relative;
    overflow: hidden;
    transition: transform .3s, border-color .3s;
  }
  .pain:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.3); }
  .pain-num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 56px; font-weight: 700;
    line-height: 0.85; letter-spacing: -0.05em;
    margin-bottom: 24px;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
  }
  .pp-pains .pain:nth-child(odd) .pain-num { color: var(--cyan); }
  .pp-pains .pain:nth-child(even) .pain-num { color: #5B8BFF; }
  .pain h3 {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 22px; font-weight: 700;
    line-height: 1.3; letter-spacing: -0.01em;
    margin-bottom: 12px; color: var(--ink);
  }
  .pain p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 14px; color: var(--ink-2);
    line-height: 1.75;
  }
  .pain-tag {
    margin-top: 20px;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--cyan); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
  }

  /* PAIN + PRODUCT */
  .pp-grid {
    max-width: 1240px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1.05fr;
    gap: 48px; align-items: start;
    position: relative;
  }
  .pp-pains { display: flex; flex-direction: column; gap: 12px; }
  .pp-pains .pain { padding: 20px 24px; }
  .pp-pains .pain-num { font-size: 44px; margin-bottom: 8px; }
  .pp-pains .pain h3 { font-size: 17px; margin-bottom: 8px; }
  .pp-pains .pain p { font-size: 13px; line-height: 1.65; }
  .pp-pains .pain-tag { margin-top: 12px; padding: 3px 10px; font-size: 11px; }
  .pp-product {
    padding: 40px;
    border-radius: 32px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.12);
    position: relative; overflow: hidden;
  }
  .pp-product h3 {
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: clamp(28px, 3.4vw, 40px);
    line-height: 1.1; font-weight: 700;
    letter-spacing: -0.03em; margin-bottom: 16px;
  }
  .pp-product-lead {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 15px; color: var(--ink-2); line-height: 1.75;
    margin-bottom: 24px;
  }
  .pp-product .pstats { margin-bottom: 24px; }
  .pstats { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
  .pstat {
    padding: 22px;
    border-radius: 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.12);
  }
  .pstat .v {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 40px; font-weight: 700;
    line-height: 0.9; letter-spacing: -0.04em;
  }
  .pstat:nth-child(1) .v { color: var(--violet); }
  .pstat:nth-child(2) .v { color: var(--cyan); }
  .pstat:nth-child(3) .v { color: var(--violet); }
  .pstat:nth-child(4) .v { color: var(--cyan); }
  .pstat .v small { font-size: 0.4em; color: var(--ink-2); font-weight: 500; margin-left: 4px; }
  .pstat .l { font-family: "Noto Sans TC", sans-serif; font-size: 13px; color: var(--ink-2); margin-top: 6px; }

  details.acc {
    border-radius: 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    margin-bottom: 10px;
    transition: all .25s;
    overflow: hidden;
  }
  details.acc[open] {
    background: rgba(255,255,255,0.08);
    border-color: var(--cyan);
  }
  details.acc summary {
    list-style: none; cursor: pointer;
    padding: 20px 24px;
    display: grid; grid-template-columns: 34px 1fr 36px;
    gap: 14px; align-items: center;
    font-family: "Noto Sans TC", sans-serif;
    font-size: 17px; font-weight: 700;
    color: var(--ink);
  }
  details.acc summary::-webkit-details-marker { display: none; }
  .acc-num {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 14px; font-weight: 700;
    line-height: 1; letter-spacing: 0;
    border: 1px solid rgba(255,255,255,0.25);
    background: rgba(255,255,255,0.06);
    color: var(--ink);
  }
  details.acc:nth-child(1) .acc-num { border-color: var(--violet); color: var(--violet); }
  details.acc:nth-child(2) .acc-num { border-color: var(--cyan); color: var(--cyan); }
  details.acc:nth-child(3) .acc-num { border-color: var(--violet); color: var(--violet); }
  details.acc[open] .acc-num { background: rgba(0, 224, 255, 0.12); }
  .acc-arrow {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: grid; place-items: center;
    color: var(--ink); transition: transform .3s;
  }
  details.acc[open] .acc-arrow { transform: rotate(180deg); background: var(--cyan); color: #0A0418; }
  details.acc .acc-body {
    padding: 0 24px 24px 90px;
    font-family: "Noto Sans TC", sans-serif;
    font-size: 14px; color: var(--ink-2);
    line-height: 1.85;
  }
  details.acc .acc-body strong { color: var(--cyan); font-weight: 600; }

  /* WORKFLOW */
  .wf-list { max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
  .wf {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr) auto auto;
    gap: 24px; align-items: center;
    padding: 22px 32px;
    border-radius: 999px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform .25s, border-color .25s;
  }
  .wf:hover { transform: translateX(8px); border-color: rgba(255,255,255,0.25); }
  .wf.metsa {
    background: linear-gradient(90deg, rgba(155,91,255,0.18), rgba(0,240,255,0.12));
    border-color: rgba(155,91,255,0.4);
  }
  .wf.wf-highlight {
    position: relative;
    box-shadow: 0 0 0 1px rgba(0,240,255,0.35), 0 8px 32px rgba(0,240,255,0.18), 0 0 60px rgba(155,91,255,0.18);
  }
  .wf-ribbon {
    position: absolute;
    top: -12px; left: 32px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 11px; font-weight: 700;
    letter-spacing: 0.12em;
    color: #0A0418;
    padding: 4px 12px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    box-shadow: 0 4px 16px rgba(0,240,255,0.5);
    z-index: 2;
    white-space: nowrap;
  }
  .wf-h4-badge {
    display: inline-block;
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: 11px; font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--cyan);
    padding: 3px 10px;
    border-radius: 999px;
    background: rgba(0,240,255,0.1);
    border: 1px solid rgba(0,240,255,0.35);
    margin-left: 8px;
    vertical-align: middle;
  }
  .wf-content p strong {
    color: var(--cyan); font-weight: 700;
  }
  .wf.wf-highlight .wf-price .v em {
    font-size: 32px;
    filter: drop-shadow(0 0 12px rgba(0,240,255,0.5));
  }
  .wf-n {
    width: 64px; height: 64px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 28px; font-weight: 700;
    color: #0A0418;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    box-shadow: 0 4px 16px rgba(0,240,255,0.4);
    letter-spacing: -0.04em;
  }
  .wf.metsa .wf-n {
    background: linear-gradient(135deg, var(--violet), var(--cyan));
    color: #fff;
    box-shadow: 0 4px 16px rgba(155,91,255,0.5);
  }
  .wf-content h4 {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 22px; font-weight: 700;
    color: var(--ink); margin-bottom: 4px;
    letter-spacing: -0.01em;
  }
  .wf-content p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 14px; color: var(--ink-2);
    line-height: 1.6;
  }
  .wf-tags { display: flex; align-items: center; gap: 8px; }
  .wf-tag {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 12px; font-weight: 600;
    color: var(--ink-2);
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    white-space: nowrap;
  }
  .wf-tag.metsa {
    color: #0A0418;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    border-color: transparent;
  }
  .wf-or {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 11px; font-weight: 600;
    color: var(--ink-2); opacity: 0.6;
    text-transform: uppercase; letter-spacing: 0.08em;
  }
  .wf-price { text-align: right; min-width: 110px; }
  .wf-price .v {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 14px; font-weight: 600;
    color: var(--ink); line-height: 1.1;
  }
  .wf-price .v em {
    font-style: normal;
    font-size: 24px;
    background: linear-gradient(135deg, var(--cyan), var(--violet));
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
    margin-right: 2px;
  }
  .wf-price .u {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 11px; color: var(--ink-2);
    margin-top: 4px; letter-spacing: 0.04em;
  }

  /* PROOF (Cases + Portfolio tabbed) */
  .proof-tabs {
    display: flex; justify-content: center; gap: 10px;
    margin: 0 auto 36px; max-width: 1100px;
    flex-wrap: wrap;
  }
  .proof-tab {
    appearance: none; border: 1px solid rgba(255,255,255,0.18);
    background: rgba(255,255,255,0.04);
    color: var(--ink-2);
    font-family: "Noto Sans TC", sans-serif;
    font-size: 15px; font-weight: 700;
    padding: 10px 22px;
    border-radius: 999px;
    cursor: pointer;
    transition: all .25s;
    letter-spacing: 0.02em;
  }
  .proof-tab:hover { color: var(--ink); border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.08); }
  .proof-tab.is-active {
    background: var(--cyan);
    color: #0A0418;
    border-color: var(--cyan);
    box-shadow: 0 6px 20px rgba(0,240,255,0.35);
  }
  .proof-panel { display: none; }
  .proof-panel.is-active { display: block; }

  /* CASES */
  .cases-grid {
    display: grid; grid-template-columns: repeat(3,1fr);
    gap: 18px; max-width: 1240px; margin: 0 auto;
  }
  .case {
    padding: 28px;
    border-radius: 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    transition: transform .3s, border-color .3s;
    display: flex; flex-direction: column;
    min-height: 240px;
    position: relative; overflow: hidden;
  }
  .case:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.3); }
  .case-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
  .case-num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 48px; font-weight: 700;
    line-height: 0.85; letter-spacing: -0.05em;
  }
  .case:nth-child(1) .case-num { color: var(--violet); }
  .case:nth-child(2) .case-num { color: var(--cyan); }
  .case:nth-child(3) .case-num { color: var(--violet); }
  .case:nth-child(4) .case-num { color: var(--cyan); }
  .case:nth-child(5) .case-num { color: var(--violet); }
  .case:nth-child(6) .case-num { color: var(--cyan); }
  .case-cat {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--ink-2); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
  }
  .case h3 {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 22px; font-weight: 700;
    line-height: 1.2; margin-bottom: 8px;
    letter-spacing: -0.01em;
  }
  .case p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 13px; color: var(--ink-2);
    line-height: 1.6;
  }
  .case-foot {
    margin-top: auto; padding-top: 20px;
    display: flex; align-items: baseline; gap: 8px;
    border-top: 1px dashed rgba(255,255,255,0.15);
  }
  .case-foot .v {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 30px; font-weight: 700;
    color: var(--ink); letter-spacing: -0.03em;
    line-height: 1; margin-top: 16px;
  }
  .case-foot .v em { font-style: normal; color: var(--cyan); }
  .case-foot .u {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--ink-2); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-top: 16px;
  }

  /* TECH */
  .tech {
    max-width: 1100px; margin: 64px auto 0;
    padding: 48px;
    border-radius: 32px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    text-align: center;
    position: relative; overflow: hidden;
  }
  .tech h3 {
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700; letter-spacing: -0.025em;
    margin-bottom: 12px;
  }
  .tech p { font-family: "Noto Sans TC", sans-serif; font-size: 15px; color: var(--ink-2); margin-bottom: 28px; }
  .tech-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
  .tech-tag {
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.15);
    font-size: 14px; font-weight: 500;
    color: var(--ink); transition: all .25s;
    display: inline-flex; align-items: center; gap: 8px;
  }
  .tech-tag .num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--cyan);
    font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    font-variant-numeric: tabular-nums;
  }
  .tech-tag:hover {
    background: var(--cyan); color: #0A0418; border-color: var(--cyan);
    transform: translateY(-2px);
  }
  .tech-tag:hover .num { color: var(--violet); }

  /* PORTFOLIO */
  .pf-grid {
    display: grid; grid-template-columns: repeat(3,1fr);
    gap: 18px; max-width: 1240px; margin: 0 auto;
  }
  .pf {
    text-decoration: none; color: var(--ink);
    border-radius: 28px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.12);
    overflow: hidden;
    transition: transform .3s, border-color .3s;
  }
  .pf:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.3); }
  .pf-thumb {
    aspect-ratio: 4/3;
    margin: 8px;
    border-radius: 22px;
    position: relative; overflow: hidden;
  }
  .pf-thumb img {
    width: 100%; height: 100%;
    object-fit: cover; object-position: top;
    transition: transform .4s;
  }
  .pf:hover .pf-thumb img { transform: scale(1.05); }
  .pf-thumb-overlay {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(to right, rgba(255,255,255,0.06) 1px, transparent 1px),
      linear-gradient(to bottom, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
  }
  .pf-info {
    padding: 8px 24px 24px;
    display: grid; grid-template-columns: 50px 1fr auto;
    gap: 14px; align-items: center;
  }
  .pf-num {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 32px; font-weight: 700;
    line-height: 0.9; letter-spacing: -0.04em;
  }
  .pf-1 .pf-num { color: var(--violet); }
  .pf-2 .pf-num { color: var(--cyan); }
  .pf-3 .pf-num { color: var(--violet); }
  .pf-4 .pf-num { color: var(--violet); }
  .pf-5 .pf-num { color: var(--cyan); }
  .pf-6 .pf-num { color: var(--violet); }
  .pf-info-mid .pf-cat {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--ink-2); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 2px;
  }
  .pf-info-mid h3 {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 17px; font-weight: 700;
    color: var(--ink); letter-spacing: -0.01em;
  }
  .pf-arrow {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    display: grid; place-items: center;
    transition: all .25s; flex: 0 0 auto;
  }
  .pf:hover .pf-arrow { background: var(--cyan); color: #0A0418; transform: rotate(-45deg); }

  /* CTA */
  .cta {
    max-width: 1100px; margin: 0 auto;
    padding: 72px 56px;
    border-radius: 48px;
    background:
      radial-gradient(circle at 20% 20%, rgba(155,91,255,0.4), transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(0,240,255,0.4), transparent 50%),
      radial-gradient(circle at 50% 50%, rgba(155,91,255,0.3), transparent 60%),
      rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.2);
    text-align: center; position: relative; overflow: hidden;
  }
  .cta h2 {
    font-family: "Bricolage Grotesque", "Noto Sans TC", sans-serif;
    font-size: clamp(40px, 6vw, 80px);
    line-height: 1; font-weight: 700;
    letter-spacing: -0.035em; margin-bottom: 24px;
  }
  .cta > p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 17px; color: var(--ink-2);
    max-width: 520px; margin: 0 auto 36px;
    line-height: 1.7;
  }
  .cta-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
  .cta-layout {
    display: flex; flex-wrap: wrap; gap: 14px;
    max-width: 700px; margin: 16px auto 0;
    justify-content: center;
  }
  .cta-step {
    padding: 24px;
    border-radius: 20px;
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.15);
    text-align: left;
  }
  .cta-step .n {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 32px; font-weight: 700;
    line-height: 0.9; letter-spacing: -0.04em;
    margin-bottom: 12px;
  }
  .cta-step:first-child .n { color: var(--violet); }
  .cta-right-col .cta-step:first-child .n { color: var(--cyan); }
  .cta-right-col .cta-step:last-child .n { color: var(--violet); }
  .cta-step h4 {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 17px; font-weight: 700;
    color: var(--ink); margin-bottom: 6px;
    letter-spacing: -0.01em;
  }
  .cta-step p {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 13px; color: var(--ink-2);
    margin: 0; max-width: none; line-height: 1.6;
  }
  .cta-step a { color: var(--cyan); text-decoration: none; transition: color .2s; }
  .cta-step a:hover { color: var(--violet); }
  .cta-links {
    margin-top: 20px;
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 12px; color: var(--soft); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
  }
  .cta-links a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; transition: color .2s; }
  .cta-links a:hover { color: var(--cyan); }

  /* FOOTER */
  footer { margin-top: 80px; padding: 56px 28px 32px; text-align: center; border-top: 1px solid rgba(255,255,255,0.1); }
  .foot-mark {
    font-family: "Bricolage Grotesque", sans-serif;
    font-size: 88px; font-weight: 700;
    line-height: 0.9; letter-spacing: -0.05em;
    margin-bottom: 16px;
  }
  .foot-tag {
    font-family: "Noto Sans TC", sans-serif;
    font-size: 14px; color: var(--ink-2);
    max-width: 460px; margin: 0 auto 32px;
    line-height: 1.7;
  }
  .foot-links { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
  .foot-links a {
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--ink-2);
    font-size: 13px; font-weight: 500;
    text-decoration: none;
    transition: all .2s;
  }
  .foot-links a:hover { background: var(--cyan); color: #0A0418; border-color: var(--cyan); }
  .foot-bot {
    font-family: "Bricolage Grotesque", sans-serif;
    font-style: normal;
    font-size: 12px; color: var(--soft); font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.08em;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px; max-width: 1100px; margin: 0 auto;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  }




  /* Responsive */
  @media (max-width: 1024px) {
    section { padding: 80px 0; }
    .pp-grid { grid-template-columns: 1fr; gap: 32px; }
    .pp-product { padding: 32px; }
    .cases-grid, .pf-grid { grid-template-columns: repeat(2,1fr); }
    .nav-links { display: none; }
  }
  @media (max-width: 720px) {
    .container { padding: 0 16px; }
    section { padding: 60px 0; }
    .hero { padding-top: 120px; padding-bottom: 60px; }
    nav.site { padding: 6px 6px 6px 14px; gap: 8px; }
    .nav-name span { display: none; }
    .nav-cta { padding: 8px 14px; font-size: 13px; }
    .pains-grid, .cases-grid, .pf-grid, .hero-stats { grid-template-columns: 1fr; }
    .pp-product { padding: 24px; border-radius: 24px; }
    .cta { padding: 48px 24px; border-radius: 32px; }
    .wf {
      grid-template-columns: 48px 1fr;
      grid-template-areas: "n content" "tags price";
      gap: 12px 14px; padding: 18px 22px; border-radius: 28px;
      align-items: start;
    }
    .wf-n { width: 48px; height: 48px; font-size: 22px; grid-area: n; align-self: center; }
    .wf-content { grid-area: content; align-self: center; }
    .wf-content h4 { font-size: 18px; }
    .wf-content p { font-size: 13px; }
    .wf-tags { grid-area: tags; grid-column: 1 / -1; flex-wrap: wrap; }
    .wf-price { grid-area: price; text-align: right; min-width: 0; }
    .wf-price .v em { font-size: 20px; }
    .tech { padding: 32px 24px; }
    .pain { padding: 24px; }
    .pain-num { font-size: 56px; }
    .cta-layout { flex-direction: column; align-items: center; }
    .cta-layout > *, .cta-right-col { max-width: 100% !important; width: 100%; }
    .hero-stats { max-width: 420px; }
    .hstat {
      display: grid;
      grid-template-columns: 110px 1fr;
      column-gap: 14px;
      align-items: center;
      padding: 18px 20px;
    }
    .hstat .n { grid-column: 2; grid-row: 1; margin-bottom: 4px; font-size: 13px; }
    .hstat .v { grid-column: 1; grid-row: 1 / 3; font-size: clamp(44px, 13vw, 56px); margin-bottom: 0; align-self: center; text-align: left; }
    .hstat .l { grid-column: 2; grid-row: 2; font-size: 13px; line-height: 1.4; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }