:root {
  --navy: #163a73;
  --navy-deep: #0d2a58;
  --blue: #1d5bb8;
  --sky: #2f74e8;
  --teal: #1aa39a;
  --teal-dark: #12847d;
  --violet: #6b4fd8;
  --ink: #1b2a44;
  --muted: #5b6b82;
  --line: #d9e4f2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.lp {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  background: #fff;
}
.lp-wrap {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}
.lp-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding: 8px 32px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #e7eef8;
  backdrop-filter: blur(12px);
}
.lp-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--navy);
  min-width: 240px;
}
.lp-brand img { width: 36px; height: 36px; object-fit: contain; }
.lp-brand-en, .lp-brand-zh { display: grid; line-height: 1.15; }
.lp-brand-en strong, .lp-brand-zh strong { font-size: 15px; }
.lp-brand-en small, .lp-brand-zh small {
  font-size: 10px;
  color: var(--muted);
  font-weight: 500;
}
.lp-brand-zh strong { color: var(--blue); }
.lp-brand-rule {
  width: 1px;
  height: 36px;
  background: #c5d3e6;
}
.lp-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
}
.lp-links a {
  color: #3a4d68;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
.lp-links a.is-current { color: var(--blue); font-weight: 700; }
.lp-logins { display: flex; gap: 8px; }
.lp-menu-btn {
  display: none;
  margin-left: auto;
  border: 0;
  background: transparent;
  font-size: 24px;
  cursor: pointer;
}
.pill, .btn-blue, .btn-ghost, .btn-pro, .btn-sa {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
}
.pill svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}
.pill-line {
  border: 1.5px solid #8aa0bf;
  color: var(--navy);
  background: #fff;
}
.pill-sa {
  background: var(--teal);
  color: #fff;
  border: 0;
}
.btn-blue {
  background: linear-gradient(180deg, #2f74e8, #1d5bb8);
  color: #fff;
  box-shadow: 0 10px 18px rgba(29,91,184,.22);
}
.btn-blue.lg { min-height: 52px; padding: 0 28px; font-size: 16px; }
.btn-ghost {
  background: #fff;
  color: var(--navy);
  border: 1.5px solid #c5d5ea;
}
.btn-pro { background: var(--violet); color: #fff; }
.btn-sa { background: var(--teal); color: #fff; }

.lp-hero {
  overflow: hidden;
  background:
    radial-gradient(700px 340px at 12% -10%, rgba(90,170,255,.22), transparent 60%),
    linear-gradient(180deg, #f3f8ff 0%, #f7fbff 52%, #ffffff 100%);
  padding: 56px 0 64px;
}
.lp-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr;
  gap: 36px;
  align-items: center;
}
.lp-kicker {
  margin: 0 0 8px;
  color: #5aa0ff;
  letter-spacing: .16em;
  font-size: 11px;
  font-weight: 800;
  font-family: Montserrat, sans-serif;
}
.lp-kicker.center, .lp-features h2, .lp-plans h2, .lp-audience h2 { text-align: center; }
.lp-hero h1 {
  margin: 0;
  font-family: Montserrat, "Noto Sans TC", sans-serif;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.12;
  color: var(--navy-deep);
  font-weight: 800;
}
.lp-hero h1 em { font-style: normal; color: #2b6fe0; }
.lp-lead {
  margin: 14px 0 18px;
  color: #4a5d78;
  font-size: 15px;
  line-height: 1.7;
  max-width: 420px;
}
.lp-hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.lp-hero-actions .btn-blue,
.lp-hero-actions .btn-ghost { min-height: 42px; padding: 0 18px; font-size: 14px; }
.lp-hero-feats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.lp-hero-feats li { display: grid; justify-items: start; gap: 4px; }
.lp-hero-feats i {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1.5px solid #c5d8f0;
  background: #fff;
  display: grid; place-items: center;
}
.lp-hero-feats svg {
  width: 16px; height: 16px;
  fill: none; stroke: var(--blue); stroke-width: 1.7;
}
.lp-hero-feats strong { font-size: 13px; }
.lp-hero-feats span { color: var(--muted); font-size: 11px; }
.lp-hero-visual {
  overflow: hidden;
  border-radius: 18px;
  background: #eef6ff;
  box-shadow: 0 22px 48px rgba(22,58,115,.14);
  max-height: 390px;
}
.lp-hero-visual img {
  width: 100%;
  height: 390px;
  object-fit: cover;
  object-position: 70% 18%;
  display: block;
  margin: 0;
}

.lp-features { padding: 40px 0 16px; }
.lp-features h2, .lp-plans h2, .lp-audience h2, .lp-cta h2, .lp-platform h2 {
  margin: 0 0 8px;
  font-size: 28px;
  color: var(--navy-deep);
}
.lp-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 auto 32px;
  max-width: 620px;
}
.lp-feature-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.lp-feature-grid article,
.plan,
.lp-audience-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(22,58,115,.05);
}
.lp-feature-grid article { padding: 22px 18px 20px; }
.lp-feature-grid h3 { margin: 12px 0 8px; font-size: 16px; color: var(--blue); }
.lp-feature-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.feat-ico {
  width: 46px; height: 46px; border-radius: 14px;
  background: #eaf2ff center/28px no-repeat;
}
.ico-pif { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231d5bb8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Crect x='4' y='3' width='16' height='18' rx='2'/%3E%3Cpath d='M8 8h8M8 12h8M8 16h5'/%3E%3C/svg%3E"); }
.ico-doc { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%236b4fd8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Cpath d='M7 3h7l5 5v13H7z'/%3E%3Cpath d='M14 3v5h5M9 13h6M9 17h4'/%3E%3C/svg%3E"); }
.ico-sa { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231d5bb8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Ccircle cx='9' cy='8' r='3'/%3E%3Ccircle cx='16' cy='9' r='2.4'/%3E%3Cpath d='M4 19c.5-3 2.6-5 5-5s4.5 2 5 5M14 19c.2-2 1.5-3.4 3.4-3.6'/%3E%3C/svg%3E"); }
.ico-chart { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231d5bb8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Cpath d='M4 19V5M4 19h16M8 15v-4M12 15V8M16 15v-7'/%3E%3C/svg%3E"); }
.ico-lock { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%231d5bb8' stroke-width='1.8' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='8' r='3'/%3E%3Cpath d='M5 19c.8-3.2 3.4-5 7-5s6.2 1.8 7 5'/%3E%3C/svg%3E"); }

.lp-platform { padding: 36px 0 56px; }
.lp-platform-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 36px;
  align-items: center;
}
.lp-platform h2 em { font-style: normal; color: var(--blue); }
.lp-platform p { color: var(--muted); line-height: 1.8; font-size: 16px; }
.lp-platform-img {
  width: 100%;
  border-radius: 16px;
  display: block;
  object-fit: cover;
  height: 280px;
}

.lp-plans { padding: 12px 0 56px; background: linear-gradient(180deg, #fff, #f6f9fe); }
.lp-plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.plan { display: flex; flex-direction: column; padding: 28px 24px; }
.plan h3 { margin: 0 0 10px; font-size: 24px; }
.plan h3 small { display: block; font-size: 13px; font-weight: 600; margin-top: 4px; }
.plan p { color: var(--muted); line-height: 1.7; }
.plan ul { padding: 0; margin: 8px 0 22px; list-style: none; }
.plan li { padding: 7px 0 7px 22px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; font-weight: 800; }
.plan a { margin-top: auto; min-height: 46px; }
.plan.ent { border-top: 5px solid var(--blue); }
.plan.ent h3, .plan.ent li::before { color: var(--blue); }
.plan.pro { border-top: 5px solid var(--violet); }
.plan.pro h3, .plan.pro li::before { color: var(--violet); }
.plan.sa { border-top: 5px solid var(--teal); }
.plan.sa h3, .plan.sa li::before { color: var(--teal); }

.lp-audience { padding: 12px 0 64px; }
.lp-audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.lp-audience-grid article { padding: 22px 18px; }
.lp-audience-grid h3 { margin: 0 0 6px; }
.lp-audience-grid p { margin: 0; color: var(--muted); font-size: 13px; }

.lp-cta {
  background: linear-gradient(90deg, #eaf4ff, #d7ebff);
  padding: 42px 0;
}
.lp-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.lp-cta h2 { color: var(--navy-deep); }
.lp-cta p { margin: 0; color: var(--muted); }

.lp-footer { background: #0e1c33; color: #c9d6ea; padding: 48px 0 18px; }
.lp-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .8fr .7fr .7fr .9fr;
  gap: 24px;
  padding-bottom: 28px;
}
.footer-brand { color: #fff; flex-wrap: wrap; }
.lp-footer h4 { color: #fff; margin: 0 0 12px; font-size: 14px; }
.lp-footer a, .lp-footer p { display: block; color: #b7c6db; text-decoration: none; font-size: 13px; margin: 0 0 8px; }
.lp-legal {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid #243552;
  padding: 16px 0 0;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  font-size: 12px;
  color: #8ea0b8;
}
.lp-legal a { color: #8ea0b8; display: inline; }

@media (max-width: 980px) {
  .lp-links, .lp-logins { display: none; }
  .lp-menu-btn { display: block; }
  .lp-nav.open .lp-links,
  .lp-nav.open .lp-logins {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  .lp-nav { flex-wrap: wrap; }
  .lp-hero-grid, .lp-platform-grid, .lp-plan-grid, .lp-audience-grid, .lp-feature-grid, .lp-footer-grid, .lp-cta-row {
    grid-template-columns: 1fr;
  }
  .lp-hero-visual img { width: 100%; height: 280px; margin: 0; }
}