*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --paper: #FAF7F1;
    --paper2: #F2ECE1;
    --ink: #1A1613;
    --ink-soft: #5C544A;
    --accent: #C84B31;
    --accent-dk: #A83825;
    --line: rgba(26,22,19,0.14);
    --line-soft: rgba(26,22,19,0.08);
  }
  html { scroll-behavior: smooth; }
  body { font-family: 'Noto Sans TC', sans-serif; background: var(--paper); color: var(--ink); line-height: 1.8; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
  ::selection { background: #F0D9C2; }
  .serif { font-family: 'Noto Serif TC', serif; }

  /* NAV */
  nav { position: sticky; top: 0; z-index: 100; background: rgba(250,247,241,0.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); padding: 0.75rem 2rem; display: flex; align-items: center; justify-content: space-between; }
  .nav-logo { display: flex; align-items: center; gap: 0.55rem; font-family: 'Noto Serif TC', serif; font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
  .nav-logo img { width: 27px; height: 27px; border-radius: 7px; }
  .nav-logo .tld { color: var(--accent); }
  .nav-cta { font-family: 'Space Grotesk', sans-serif; background: var(--ink); color: var(--paper); border: none; padding: 0.5rem 1.2rem; border-radius: 2px; font-size: 0.85rem; font-weight: 600; cursor: pointer; text-decoration: none; transition: background 0.15s; }
  .nav-cta:hover { background: var(--accent); }

  /* LAYOUT */
  .section { padding: 5.5rem 2rem; }
  .inner { max-width: 1200px; margin: 0 auto; }
  .kicker { font-family: 'Space Grotesk', sans-serif; font-size: 0.74rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.1rem; display: flex; align-items: center; gap: 0.8rem; }
  .kicker::before { content: ''; width: 34px; height: 1px; background: var(--accent); }
  .section h2 { font-family: 'Noto Serif TC', serif; font-size: clamp(1.9rem, 4.6vw, 3rem); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 1.1rem; max-width: 760px; }
  .section .lead { font-size: 1.05rem; color: var(--ink-soft); max-width: 660px; margin-bottom: 3rem; }

  /* HERO — editorial */
  .hero { padding: 4rem 2rem 0; }
  .hero-inner { max-width: 1200px; margin: 0 auto; }
  .hero-top { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--ink); padding-bottom: 0.8rem; margin-bottom: 2.5rem; font-family: 'Space Grotesk', sans-serif; font-size: 0.76rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-soft); }
  .hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: center; }
  @media (max-width: 820px) { .hero-grid { grid-template-columns: 1fr; gap: 2rem; } }
  .hero h1 { font-family: 'Noto Serif TC', serif; font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 900; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 1.4rem; }
  .hero h1 em { font-style: italic; color: var(--accent); }
  .hero-sub { font-size: clamp(1.05rem, 2.4vw, 1.2rem); color: var(--ink-soft); margin-bottom: 2rem; max-width: 560px; }
  .hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; }
  .btn { font-family: 'Space Grotesk', sans-serif; border-radius: 2px; font-size: 0.96rem; font-weight: 600; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: background 0.15s, transform 0.12s, border-color 0.15s, color 0.15s; }
  .btn-primary { background: var(--accent); color: #fff; border: none; padding: 0.85rem 1.9rem; }
  .btn-primary:hover { background: var(--accent-dk); transform: translateY(-2px); }
  .btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); padding: 0.85rem 1.6rem; }
  .btn-ghost:hover { background: var(--ink); color: var(--paper); }
  .hero-fine { margin-top: 1.1rem; font-size: 0.83rem; color: var(--ink-soft); }
  .hero-art { position: relative; }
  .hero-art img { width: 100%; border-radius: 4px; display: block; box-shadow: 0 30px 60px rgba(26,22,19,0.16); }
  .hero-art .mascot { position: absolute; bottom: -28px; right: -18px; width: 92px; height: 92px; filter: drop-shadow(0 10px 22px rgba(26,22,19,0.2)); animation: floaty 4.5s ease-in-out infinite; }
  @keyframes floaty { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-9px);} }
  .hero-caption { font-family: 'Space Grotesk', sans-serif; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); margin-top: 1.4rem; text-align: right; }

  /* PAIN — editorial list */
  .pain-section { border-top: 1px solid var(--line); }
  .pain-list { border-top: 1px solid var(--line); }
  .pain-row { display: grid; grid-template-columns: 60px 1fr 1.4fr; gap: 1.5rem; align-items: baseline; padding: 1.75rem 0; border-bottom: 1px solid var(--line); }
  @media (max-width: 700px) { .pain-row { grid-template-columns: 1fr; gap: 0.5rem; } }
  .pain-row .num { font-family: 'Space Grotesk', sans-serif; font-size: 1rem; color: var(--accent); font-weight: 600; }
  .pain-row h3 { font-family: 'Noto Serif TC', serif; font-size: 1.3rem; font-weight: 700; line-height: 1.4; }
  .pain-row p { font-size: 0.95rem; color: var(--ink-soft); }

  /* VALUE cards */
  .value-section { background: var(--paper2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  @media (max-width: 700px) { .value-grid { grid-template-columns: 1fr; } }
  .value { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 2rem; }
  .value .vn { font-family: 'Space Grotesk', sans-serif; font-size: 0.74rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin-bottom: 0.9rem; }
  .value h3 { font-family: 'Noto Serif TC', serif; font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.4; }
  .value p { font-size: 0.95rem; color: var(--ink-soft); }

  /* FEATURES — rich post */
  .feat-band { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--line); border-radius: 4px; overflow: hidden; background: var(--paper); }
  .feat-item { flex: 1 1 33.33%; min-width: 200px; padding: 1.6rem 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  @media (max-width: 760px) { .feat-item { flex: 1 1 50%; } }
  @media (max-width: 460px) { .feat-item { flex: 1 1 100%; } }
  .feat-item .fi { font-size: 1.5rem; margin-bottom: 0.6rem; }
  .feat-item h3 { font-family: 'Noto Serif TC', serif; font-size: 1.12rem; font-weight: 700; margin-bottom: 0.3rem; }
  .feat-item p { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.65; }

  /* SERVICES */
  .svc-section { background: var(--paper2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; max-width: 1200px; margin: 0 auto; }
  @media (max-width: 760px) { .svc-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 440px) { .svc-grid { grid-template-columns: 1fr; } }
  .svc { display: block; text-decoration: none; color: inherit; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 1.5rem; transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s; position: relative; }
  .svc:hover { transform: translateY(-3px); box-shadow: 0 14px 32px rgba(26,22,19,0.1); border-color: var(--accent); }
  .svc:hover h3 { color: var(--accent); }
  .svc::after { content: '↗'; position: absolute; right: 1.1rem; top: 1.2rem; font-family: 'Space Grotesk', sans-serif; font-size: 0.95rem; color: var(--accent); opacity: 0; transition: opacity 0.15s; }
  .svc:hover::after { opacity: 0.85; }
  .svc .ico { font-size: 1.5rem; margin-bottom: 0.55rem; }
  .svc h3 { font-family: 'Noto Serif TC', serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 0.3rem; transition: color 0.15s; }
  .svc p { font-size: 0.88rem; color: var(--ink-soft); line-height: 1.65; }

  /* APPS */
  .apps-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3rem; align-items: center; }
  @media (max-width: 820px) { .apps-grid { grid-template-columns: 1fr; gap: 2rem; } .apps-right { order: -1; } }
  .fly-card { display: flex; align-items: center; gap: 1rem; background: var(--paper2); border: 1px solid var(--line); border-radius: 4px; padding: 1.3rem 1.5rem; text-decoration: none; color: inherit; position: relative; transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s; }
  .fly-card:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(26,22,19,0.1); border-color: var(--accent); }
  .fly-card .fly-ico { font-size: 1.9rem; }
  .fly-card h3 { font-family: 'Noto Serif TC', serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 0.2rem; }
  .fly-card .tagm { font-family: 'Space Grotesk', sans-serif; font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-left: 0.5rem; }
  .fly-card p { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.6; }
  .fly-card .arrow { position: absolute; right: 1.3rem; top: 1.2rem; font-family: 'Space Grotesk', sans-serif; color: var(--accent); }
  .plat { margin-top: 1.6rem; display: flex; flex-direction: column; gap: 1.2rem; }
  .plat-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
  .plat-label { font-family: 'Space Grotesk', sans-serif; font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); width: 96px; flex-shrink: 0; }
  .badge { display: inline-block; transition: transform 0.12s; }
  .badge:hover { transform: translateY(-2px); }
  .badge img { height: 44px; display: block; }
  .more { font-size: 0.9rem; color: var(--ink-soft); }
  .more a { color: var(--accent); text-decoration: none; font-weight: 500; }
  .more a:hover { text-decoration: underline; }
  .all-apps { display: inline-block; margin-top: 1.6rem; font-family: 'Space Grotesk', sans-serif; font-size: 0.88rem; color: var(--accent); font-weight: 600; text-decoration: none; }
  .all-apps:hover { text-decoration: underline; }
  .phone { width: 258px; margin: 0 auto; background: var(--paper); border: 8px solid var(--ink); border-radius: 36px; box-shadow: 0 28px 60px rgba(26,22,19,0.2); overflow: hidden; }
  .phone-notch { height: 24px; background: var(--ink); position: relative; }
  .phone-notch::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; width: 92px; height: 16px; background: var(--ink); border-radius: 0 0 12px 12px; }
  .phone-screen { padding: 0.5rem 0.7rem 0.8rem; }
  .p-head { font-family: 'Space Grotesk', sans-serif; font-size: 0.68rem; letter-spacing: 0.06em; color: var(--ink-soft); padding: 0.45rem 0.25rem; border-bottom: 1px solid var(--line); }
  .p-post { display: flex; gap: 0.5rem; padding: 0.6rem 0.25rem; border-bottom: 1px solid var(--line); }
  .p-post:last-child { border-bottom: none; }
  .p-av { width: 28px; height: 28px; border-radius: 50%; background: var(--paper2); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; }
  .p-body { font-size: 0.7rem; line-height: 1.5; }
  .p-body .pn { font-weight: 600; font-family: 'Noto Serif TC', serif; }
  .p-body .pm { color: var(--ink-soft); }

  /* ADMIN */
  .admin { display: flex; gap: 2rem; align-items: center; max-width: 820px; background: var(--paper2); border: 1px solid var(--line); border-radius: 4px; padding: 2.25rem; }
  @media (max-width: 600px) { .admin { flex-direction: column; text-align: center; } }
  .admin-av { width: 124px; height: 124px; border-radius: 50%; flex-shrink: 0; overflow: hidden; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-family: 'Noto Serif TC', serif; font-weight: 700; font-size: 2.3rem; box-shadow: 0 0 0 5px var(--paper), 0 14px 34px rgba(26,22,19,0.14); }
  .admin-av img { width: 100%; height: 100%; object-fit: cover; }
  .admin h3 { font-family: 'Noto Serif TC', serif; font-size: 1.3rem; font-weight: 700; }
  .admin .handle { font-family: 'Space Grotesk', sans-serif; font-size: 0.84rem; color: var(--accent); margin-bottom: 0.6rem; }
  .admin p { font-size: 0.93rem; color: var(--ink-soft); }
  .admin a { color: var(--accent); text-decoration: none; font-weight: 600; }
  .admin a:hover { text-decoration: underline; }

  /* FAQ */
  .faq { max-width: 820px; }
  details.fq { border-bottom: 1px solid var(--line); }
  .fq summary { list-style: none; cursor: pointer; padding: 1.3rem 0; font-family: 'Noto Serif TC', serif; font-weight: 700; font-size: 1.12rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
  .fq summary::-webkit-details-marker { display: none; }
  .fq summary::after { content: '+'; font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; color: var(--accent); transition: transform 0.2s; line-height: 1; }
  details.fq[open] summary::after { transform: rotate(45deg); }
  .fq .ans { padding: 0 0 1.4rem; font-size: 0.95rem; color: var(--ink-soft); line-height: 1.85; max-width: 680px; }

  /* POWERED */
  .powered-wrap { margin-top: 3rem; }
  .powered { display: inline-flex; align-items: center; gap: 0.85rem; padding: 0.7rem 1.5rem; background: var(--paper); border: 1px solid var(--line); border-radius: 4px; }
  .powered span { font-family: 'Space Grotesk', sans-serif; font-size: 0.76rem; color: var(--ink-soft); letter-spacing: 0.05em; text-transform: uppercase; }
  .powered img { height: 22px; display: block; }

  /* CTA */
  .cta { background: var(--ink); color: var(--paper); text-align: center; padding: 6rem 2rem; }
  .cta img.mascot { width: 78px; height: 78px; margin-bottom: 1.5rem; }
  .cta h2 { font-family: 'Noto Serif TC', serif; font-size: clamp(2rem, 5.5vw, 3.2rem); font-weight: 900; max-width: 720px; margin: 0 auto 1rem; line-height: 1.3; }
  .cta p { color: rgba(250,247,241,0.7); max-width: 600px; margin: 0 auto 2.25rem; }
  .cta .btn-primary { background: var(--paper); color: var(--ink); }
  .cta .btn-primary:hover { background: #fff; }
  .cta .fine { margin-top: 1.25rem; font-family: 'Space Grotesk', sans-serif; font-size: 0.8rem; color: rgba(250,247,241,0.45); }

  footer { background: #120F0D; color: rgba(250,247,241,0.45); text-align: center; padding: 2rem; font-size: 0.82rem; line-height: 2; }
  footer img { width: 34px; height: 34px; border-radius: 9px; margin-bottom: 0.7rem; }
  footer a { color: rgba(250,247,241,0.75); text-decoration: none; }
  footer a:hover { color: var(--paper); }
  .foot-nav { display: flex; gap: 1.25rem; justify-content: center; flex-wrap: wrap; margin-bottom: 0.75rem; font-family: 'Space Grotesk', sans-serif; font-size: 0.8rem; }