.hda-ip-landing {
  --hda-ip-rose: #da526c;
  --hda-ip-rose-dark: #bf3e57;
  --hda-ip-leaf: #b0c527;
  --hda-ip-leaf-ink: #6c7a14;
  --hda-ip-cream: #faf7f0;
  --hda-ip-sage: #eef2e6;
  --hda-ip-sage-2: #e2ead7;
  --hda-ip-pine: #2c4a33;
  --hda-ip-pine-deep: #1f3825;
  --hda-ip-ink: #3b3733;
  --hda-ip-ink-soft: #6e6760;
  --hda-ip-line: #e3ddd0;
  --hda-ip-shadow: 0 18px 40px -28px rgba(44, 74, 51, 0.35);
  --hda-ip-r-sm: 6px;
  --hda-ip-r-lg: 22px;
  --hda-ip-r-md: 14px;
  --hda-ip-r-pill: 999px;
  --hda-ip-wrap: min(100% - 48px, 1120px);
  --hda-ip-font-serif: "Noto Serif TC", "Songti TC", serif;
  --hda-ip-font-latin: "Manrope", "Noto Serif TC", sans-serif;
  color: var(--hda-ip-ink);
  font-family: var(--hda-ip-font-serif);
  font-size: 1.0625rem;
  line-height: 1.85;
  background: #fffdf8;
  overflow: clip;
  width: 100vw;
  max-width: 100vw;
  margin-inline: calc(50% - 50vw);
}

.hda-ip-landing,
.hda-ip-landing * {
  box-sizing: border-box;
}

.hda-ip-landing h1,
.hda-ip-landing h2,
.hda-ip-landing h3,
.hda-ip-landing h4,
.hda-ip-landing h5,
.hda-ip-landing h6 {
  margin: 0 0 16px;
  color: var(--hda-ip-ink);
  font-family: var(--hda-ip-font-serif);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: 0;
  text-transform: none;
}

.hda-ip-landing p {
  max-width: 68ch;
  margin: 0 0 16px;
  letter-spacing: 0;
}

.hda-ip-landing figure,
.hda-ip-landing ul,
.hda-ip-landing ol {
  margin: 0;
}

.hda-ip-landing ul,
.hda-ip-landing ol {
  padding-inline-start: 0;
}

.hda-ip-landing img {
  display: block;
  max-width: 100%;
  height: auto;
}

.hda-ip-wrap {
  width: var(--hda-ip-wrap);
  margin-inline: auto;
}

.hda-ip-wrap--narrow {
  max-width: 860px;
}

.hda-ip-wrap--form {
  max-width: 920px;
}

.hda-ip-section {
  padding-block: clamp(72px, 10vw, 128px);
}

.hda-ip-section-tight {
  padding-block: clamp(44px, 6.2vw, 80px);
}

.hda-ip-bg-cream {
  background: var(--hda-ip-cream);
}

.hda-ip-bg-sage {
  background: linear-gradient(180deg, var(--hda-ip-sage), var(--hda-ip-sage-2));
}

.hda-ip-bg-pine {
  background: var(--hda-ip-pine);
  color: #f8f4e9;
}

.hda-ip-sec-head {
  max-width: 760px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.hda-ip-sec-head--compact {
  margin-bottom: 28px;
}

.hda-ip-sec-head--center {
  text-align: center;
  margin-inline: auto;
}

.hda-ip-sec-head--center .hda-ip-sec-no {
  justify-content: center;
}

.hda-ip-sec-no {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--hda-ip-leaf-ink);
  font-family: var(--hda-ip-font-latin);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

.hda-ip-sec-no::before {
  content: "";
  width: 26px;
  height: 9px;
  background: radial-gradient(circle 3.2px at 4px 50%, var(--hda-ip-rose) 98%, transparent),
    radial-gradient(circle 3.2px at 13px 50%, var(--hda-ip-leaf) 98%, transparent),
    radial-gradient(circle 3.2px at 22px 50%, var(--hda-ip-pine) 98%, transparent);
}

.hda-ip-bg-pine .hda-ip-sec-no {
  color: var(--hda-ip-leaf);
}

.hda-ip-sec-head h2 {
  color: inherit;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  line-height: 1.32;
  letter-spacing: 0;
}

.hda-ip-sec-lede {
  margin: 0 0 16px;
  max-width: 56ch;
  color: var(--hda-ip-ink-soft);
  font-size: 1.02em;
  line-height: 1.85;
}

.hda-ip-bg-pine .hda-ip-sec-lede {
  color: rgba(248, 244, 233, 0.78);
}

.hda-ip-hero {
  position: relative;
  overflow: hidden;
  padding-block: 0;
}

.hda-ip-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  padding-block: calc(clamp(40px, 6vw, 96px) + 8px);
}

.hda-ip-row {
  display: grid;
  gap: clamp(28px, 4.5vw, 64px);
  align-items: center;
  grid-template-columns: 1fr 1fr;
}

.hda-ip-hero h1 {
  margin-top: 18px;
  color: var(--hda-ip-pine-deep);
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.32;
  letter-spacing: 0.01em;
}

.hda-ip-chips,
.hda-ip-plan__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.hda-ip-chips--loose {
  gap: 12px;
}

.hda-ip-chip {
  display: inline-flex;
  align-items: center;
  min-height: 0;
  padding: 7px 16px;
  border: 1px solid var(--hda-ip-line);
  border-radius: var(--hda-ip-r-pill);
  background: rgba(255, 255, 255, 0.7);
  color: var(--hda-ip-ink-soft);
  font-size: 0.9rem;
  line-height: 1.35;
}

.hda-ip-chip--on {
  border-color: var(--hda-ip-pine);
  background: var(--hda-ip-sage);
  color: var(--hda-ip-pine-deep);
}

.hda-ip-hero__actions,
.hda-ip-faq__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-block: 24px;
}

.hda-ip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 0;
  padding: 16px 30px;
  border: 2px solid transparent;
  border-radius: var(--hda-ip-r-pill);
  font-family: var(--hda-ip-font-serif);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.hda-ip-btn:hover,
.hda-ip-btn:focus-visible {
  transform: translateY(-1px);
  color: #fffdf8;
  text-decoration: none;
}

.hda-ip-btn--primary {
  background: var(--hda-ip-rose);
  color: #fffdf8;
  box-shadow: 0 12px 26px rgba(218, 82, 108, 0.28);
}

.hda-ip-btn--primary:visited,
.hda-ip-btn--primary:hover,
.hda-ip-btn--primary:focus-visible {
  background: var(--hda-ip-rose-dark);
  color: #fffdf8;
}

.hda-ip-btn--line {
  border-color: transparent;
  background: #07b53b;
  color: #fff;
}

.hda-ip-btn--line:visited,
.hda-ip-btn--line:hover,
.hda-ip-btn--line:focus-visible {
  color: #fff;
}

.hda-ip-btn--disabled {
  cursor: not-allowed;
  opacity: 0.54;
  filter: grayscale(0.28);
  box-shadow: none;
}

.hda-ip-btn--disabled:hover {
  transform: none;
}

.hda-ip-hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  color: var(--hda-ip-ink-soft);
  font-size: 0.9rem;
  line-height: 1.85;
}

.hda-ip-hero__trust li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--hda-ip-leaf);
}

.hda-ip-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--hda-ip-r-lg);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: var(--hda-ip-shadow);
}

.hda-ip-media__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.hda-ip-hero__media .hda-ip-media__img {
  aspect-ratio: 4 / 3.4;
}

.hda-ip-plan__media .hda-ip-media__img {
  aspect-ratio: 4 / 3;
}

.hda-ip-row__media {
  max-width: 480px;
}

.hda-ip-row__media .hda-ip-media__img {
  aspect-ratio: 4 / 3.4;
}

.hda-ip-auth-tag {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 7px 12px;
  border-radius: var(--hda-ip-r-pill);
  background: rgba(255, 255, 255, 0.88);
  color: var(--hda-ip-rose-dark);
  font-size: 0.82rem;
  font-weight: 700;
}

.hda-ip-scenario {
  display: grid;
  gap: 18px;
}

.hda-ip-scene {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 6px 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--hda-ip-line);
  background: transparent;
}

.hda-ip-scene:last-child {
  border-bottom: 0;
}

.hda-ip-scene__q {
  color: var(--hda-ip-pine-deep);
  font-size: 1.08em;
  font-weight: 700;
  line-height: 1.85;
}

.hda-ip-scene__q::before {
  content: "「";
  color: var(--hda-ip-rose);
}

.hda-ip-scene__q::after {
  content: "」";
  color: var(--hda-ip-rose);
}

.hda-ip-scene__a,
.hda-ip-plan p,
.hda-ip-principle p,
.hda-ip-step p,
.hda-ip-faq__a {
  color: var(--hda-ip-ink-soft);
  font-size: 0.9rem;
  line-height: 1.85;
}

.hda-ip-plan {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(22px, 3.5vw, 56px);
  align-items: center;
  padding-block: clamp(34px, 5vw, 64px);
  border-top: 1px solid var(--hda-ip-line);
}

.hda-ip-plan:first-of-type {
  border-top: 0;
}

.hda-ip-plan--flip .hda-ip-plan__media {
  order: 2;
}

.hda-ip-plan__no {
  color: transparent;
  font-family: var(--hda-ip-font-latin);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  -webkit-text-stroke: 1.6px var(--hda-ip-rose);
}

.hda-ip-plan h3,
.hda-ip-principle h3,
.hda-ip-step h3 {
  color: var(--hda-ip-pine);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.32;
  font-weight: 700;
}

.hda-ip-plan h3 {
  margin-top: 10px;
}

.hda-ip-plan p {
  margin-top: 16px;
}

.hda-ip-plan__chips {
  margin-top: 16px;
}

.hda-ip-plan__fit strong {
  color: var(--hda-ip-pine);
}

.hda-ip-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  list-style: none;
  border-top: 1px solid rgba(244, 241, 232, 0.25);
}

.hda-ip-principle {
  padding: 26px 26px 26px 0;
  border-bottom: 1px solid rgba(244, 241, 232, 0.25);
  background: transparent;
}

.hda-ip-principle:nth-child(odd) {
  padding-right: 40px;
}

.hda-ip-principle:nth-child(even) {
  padding-left: 40px;
  border-left: 1px solid rgba(244, 241, 232, 0.25);
}

.hda-ip-bg-pine .hda-ip-principle h3,
.hda-ip-bg-pine .hda-ip-step h3 {
  color: #fffaf0;
}

.hda-ip-bg-pine .hda-ip-principle p {
  color: rgba(248, 244, 233, 0.78);
}

.hda-ip-teacher-quote {
  margin: 24px 0 0;
  padding: 22px 26px;
  border-left: 0;
  border-radius: var(--hda-ip-r-md);
  background: var(--hda-ip-sage);
  color: var(--hda-ip-pine-deep);
  font-size: 1.05em;
  line-height: 1.85;
}

.hda-ip-teacher-quote cite {
  display: block;
  margin-top: 12px;
  color: rgba(248, 244, 233, 0.7);
  font-size: 0.9rem;
  font-style: normal;
}

.hda-ip-gallery {
  columns: 3;
  column-gap: 14px;
}

.hda-ip-gallery figure {
  position: relative;
  overflow: hidden;
  break-inside: avoid;
  margin: 0 0 14px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.hda-ip-gallery img {
  width: 100%;
  border-radius: var(--hda-ip-r-sm);
}

.hda-ip-gallery figcaption {
  padding: 6px 0 0;
  color: var(--hda-ip-ink-soft);
  font-size: 0.82rem;
}

.hda-ip-logos-wrap {
  margin-top: clamp(36px, 5vw, 58px);
}

.hda-ip-logos-wrap h3 {
  margin-bottom: 18px;
  color: var(--hda-ip-pine);
  font-size: 1.4rem;
}

.hda-ip-logo-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.hda-ip-logo-strip figure {
  display: grid;
  place-items: center;
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--hda-ip-line);
  border-radius: var(--hda-ip-r-sm);
  background: #fff;
  filter: grayscale(1);
}

.hda-ip-logo-strip__img {
  max-height: 52px;
  object-fit: contain;
}

.hda-ip-steps {
  display: grid;
  gap: 0;
  counter-reset: steps;
  list-style: none;
}

.hda-ip-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding-block: 20px;
  border: 0;
  border-radius: 0;
  background: transparent;
  position: relative;
}

.hda-ip-step::before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fffdf8;
  border: 2px solid var(--hda-ip-pine);
  color: var(--hda-ip-pine-deep);
  font-family: var(--hda-ip-font-latin);
  font-size: 0.84rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.hda-ip-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 21px;
  top: 64px;
  bottom: -2px;
  width: 2px;
  background: var(--hda-ip-sage-2);
}

.hda-ip-step h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.hda-ip-faq {
  display: block;
  border-top: 1px solid var(--hda-ip-line);
}

.hda-ip-faq details {
  border: 0;
  border-bottom: 1px solid var(--hda-ip-line);
  border-radius: 0;
  background: transparent;
  overflow: hidden;
}

.hda-ip-faq summary {
  cursor: pointer;
  padding: 26px 4px;
  color: var(--hda-ip-pine);
  font-size: 1.04rem;
  font-weight: 800;
  line-height: 1.85;
}

.hda-ip-faq__a {
  padding: 0 4px 22px;
  font-size: 1.0625rem;
  line-height: 1.85;
}

.hda-ip-form-shell {
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--hda-ip-line);
  border-radius: var(--hda-ip-r-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--hda-ip-shadow);
}

.hda-ip-form-placeholder,
.hda-ip-form-note {
  color: var(--hda-ip-ink-soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

.hda-ip-form-note {
  margin-top: 14px;
}

.hda-ip-form-shell .ff-el-group {
  margin-bottom: 18px;
}

.hda-ip-form-shell .ff-el-input--label label {
  color: var(--hda-ip-pine);
  font-weight: 700;
}

.hda-ip-form-shell :where(input, select, textarea) {
  border-radius: 12px !important;
  border-color: rgba(44, 74, 51, 0.18) !important;
}

.hda-ip-form-shell .ff-btn-submit {
  border-radius: var(--hda-ip-r-pill) !important;
  background: var(--hda-ip-rose) !important;
  border-color: var(--hda-ip-rose) !important;
  color: #fff !important;
  font-weight: 800 !important;
}

.hda-ip-sticky-cta {
  position: fixed;
  z-index: 30;
  right: 14px;
  bottom: calc(14px + env(safe-area-inset-bottom));
  left: 14px;
  display: none;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding: 10px;
  border: 1px solid rgba(44, 74, 51, 0.12);
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.95);
  box-shadow: 0 16px 44px rgba(44, 74, 51, 0.18);
  backdrop-filter: blur(10px);
}

.hda-ip-sticky-cta.is-visible {
  display: grid;
}

.hda-ip-reveal {
  opacity: 0.001;
  transform: translateY(14px);
  transition: opacity 420ms ease, transform 420ms ease;
}

.hda-ip-reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 879px) {
  .hda-ip-hero__grid {
    padding-block: calc(clamp(40px, 6vw, 96px) + 15px);
  }

  .hda-ip-hero__grid,
  .hda-ip-row,
  .hda-ip-plan {
    grid-template-columns: 1fr;
  }

  .hda-ip-plan--flip .hda-ip-plan__media {
    order: 0;
  }

  .hda-ip-logo-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .hda-ip-scene,
  .hda-ip-principles {
    grid-template-columns: 1fr;
  }

  .hda-ip-gallery {
    columns: 2;
  }

  .hda-ip-logo-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hda-ip-chips--loose {
    row-gap: 22px;
  }

  .hda-ip-gallery figure {
    margin-bottom: 42px;
  }

  .hda-ip-btn {
    min-height: 46px;
    padding-inline: 18px;
  }
}

@media (min-width: 880px) and (max-width: 1199px) {
  .hda-ip-hero__grid {
    padding-block: calc(clamp(40px, 6vw, 96px) - 4px);
  }
}

@media (max-width: 520px) {
  .hda-ip-sticky-cta .hda-ip-btn {
    padding-inline: 14px;
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hda-ip-reveal,
  .hda-ip-btn {
    transition: none;
  }
}