:root {
  --ink: #0b1d2a;
  --ink-2: #132e40;
  --ink-3: #1d4055;
  --paper: #f3eee5;
  --paper-2: #faf7f1;
  --white: #ffffff;
  --coral: #ff6534;
  --coral-dark: #d9471d;
  --blue: #3153d8;
  --blue-dark: #2038a2;
  --mint: #a8d9cf;
  --muted: #61707a;
  --line: rgba(11, 29, 42, 0.16);
  --content: min(1200px, calc(100% - 40px));
  --radius: 28px;
  --shadow: 0 26px 80px rgba(11, 29, 42, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-2);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.68;
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 16px;
  border-radius: 10px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.proposal-bar {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 7px 20px;
  color: rgba(255, 255, 255, 0.76);
  background: #071720;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-align: center;
}

.proposal-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(255, 101, 52, 0.12);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  min-height: 76px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 36px;
  padding: 0 max(24px, calc((100vw - 1200px) / 2));
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--white);
  background: rgba(11, 29, 42, 0.94);
  backdrop-filter: blur(16px);
  transition: box-shadow 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 14px 40px rgba(2, 12, 18, 0.28);
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: var(--ink);
  background: var(--coral);
  font-family: Georgia, serif;
  font-size: 24px;
  font-weight: 900;
}

.brand > span:last-child {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand strong {
  font-size: 14px;
  letter-spacing: 0.16em;
}

.brand small {
  margin-top: 5px;
  font-size: 7px;
  letter-spacing: 0.2em;
  opacity: 0.58;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
}

.main-nav a {
  position: relative;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 2px;
  background: var(--coral);
  content: "";
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--white);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.site-nav-group { position: relative; }
.main-nav .site-nav-parent { gap: 6px; }
.site-nav-chevron { font-size: 11px; line-height: 1; transition: transform 180ms ease; }
.site-nav-submenu {
  position: absolute;
  z-index: 30;
  top: 100%;
  left: 50%;
  display: grid;
  width: 238px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: #071720;
  box-shadow: 0 24px 60px rgba(2, 14, 22, 0.38);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  visibility: hidden;
}
.main-nav .site-nav-submenu a { width: 100%; min-height: 44px; padding: 10px 12px; border-radius: 10px; }
.main-nav .site-nav-submenu a::after { display: none; }
.main-nav .site-nav-submenu a:hover,
.main-nav .site-nav-submenu a:focus-visible,
.main-nav .site-nav-submenu a[aria-current="page"] { color: var(--white); background: rgba(255, 255, 255, 0.08); }
.site-nav-group:hover .site-nav-submenu,
.site-nav-group:focus-within .site-nav-submenu { opacity: 1; pointer-events: auto; transform: translate(-50%, 0); visibility: visible; }
.site-nav-group:hover .site-nav-chevron,
.site-nav-group:focus-within .site-nav-chevron { transform: rotate(180deg); }

.header-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: var(--white);
  font-size: 11px;
  font-weight: 900;
  text-decoration: none;
}

.header-cta span {
  color: var(--coral);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  color: var(--white);
  background: transparent;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.main-nav a[aria-current="page"] {
  color: var(--white);
}

.main-nav .site-nav-parent.is-active { color: var(--white); }

.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  color: var(--white);
  background:
    radial-gradient(circle at 84% 18%, rgba(49, 83, 216, 0.48), transparent 34rem),
    linear-gradient(135deg, #071720, var(--ink-2));
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 50px 50px;
  content: "";
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.55), transparent 88%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  width: var(--content);
  min-height: 730px;
  grid-template-columns: 1.08fr 0.92fr;
  align-items: center;
  gap: 52px;
  margin: 0 auto;
  padding: 72px 0 84px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--coral);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span {
  color: inherit;
}

.eyebrow.light {
  color: var(--mint);
}

.hero-copy h1 {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", Georgia, serif;
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero-copy h1 span {
  display: block;
  max-width: 8ch;
  font-size: clamp(62px, 7.7vw, 108px);
}

.hero-copy h1 em {
  display: block;
  max-width: 18ch;
  margin-top: 24px;
  color: var(--coral);
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  font-size: clamp(24px, 3.1vw, 42px);
  font-style: normal;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero-lead {
  max-width: 32ch;
  margin: 36px 0 0;
  font-size: clamp(21px, 2.25vw, 30px);
  font-weight: 800;
  line-height: 1.48;
}

.hero-lead strong {
  color: var(--mint);
}

.hero-intro {
  max-width: 61ch;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.hero-audience {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.hero-audience li {
  padding: 8px 12px;
  border: 1px solid rgba(168, 217, 207, 0.36);
  border-radius: 999px;
  color: var(--mint);
  background: rgba(168, 217, 207, 0.08);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--ink);
  background: var(--coral);
}

.button-primary:hover {
  background: #ff754b;
}

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--white);
  background: rgba(255, 255, 255, 0.03);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.54);
}

.hero-facts {
  display: flex;
  gap: 0;
  margin: 42px 0 0;
}

.hero-facts div {
  min-width: 112px;
  padding: 0 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-facts div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
}

.hero-facts dd {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.54);
  font-size: 10px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
  display: grid;
  min-width: 0;
  align-content: center;
  gap: 16px;
  padding: 0 0 0 34px;
}

.hero-course-card {
  position: relative;
  width: min(100%, 540px);
  margin: 0 auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.hero-course-card img {
  width: 100%;
  border-radius: 16px;
}

.hero-course-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 8px 5px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 900;
}

.hero-course-card figcaption span {
  color: var(--coral-dark);
  font-size: 8px;
  letter-spacing: 0.14em;
}

.hero-course-card figcaption strong {
  text-align: right;
}

.hero-artifact-note {
  max-width: 48ch;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.56);
  font-size: 10px;
  font-weight: 800;
  text-align: center;
}

.hero-method-card {
  position: relative;
  width: min(100%, 540px);
  margin: 2px auto 0;
  padding: 22px 24px 24px;
  overflow: hidden;
  border: 1px solid rgba(168, 217, 207, 0.26);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(168, 217, 207, 0.12), transparent 46%),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 54px rgba(2, 12, 20, 0.22);
}

.hero-method-card::after {
  position: absolute;
  width: 132px;
  height: 132px;
  right: -78px;
  bottom: -84px;
  border: 1px solid rgba(255, 101, 52, 0.28);
  border-radius: 50%;
  content: "";
}

.hero-method-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 18px;
}

.hero-method-heading p {
  flex: 0 0 auto;
  margin: 0 0 3px;
  color: var(--mint);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero-method-heading h2 {
  max-width: 15ch;
  margin: 0;
  color: var(--white);
  font-family: "Noto Serif TC", "Songti TC", Georgia, serif;
  font-size: 21px;
  line-height: 1.25;
  text-align: right;
}

.hero-method-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-method-steps li {
  position: relative;
  z-index: 1;
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  background: rgba(11, 29, 42, 0.54);
}

.hero-method-steps li > span {
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 16px;
  font-weight: 900;
}

.hero-method-steps div {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.hero-method-steps strong {
  color: var(--white);
  font-size: 12px;
}

.hero-method-steps small {
  color: rgba(255, 255, 255, 0.54);
  font-size: 9px;
  font-weight: 700;
}

.section {
  padding: 112px 0;
}

.section-heading {
  width: var(--content);
  margin: 0 auto 58px;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: end;
  gap: 72px;
}

.section-heading h2,
.diagnosis-copy h2,
.ai-copy h2,
.register-section h2 {
  margin: 0;
  font-family: "Noto Serif TC", "Songti TC", Georgia, serif;
  font-size: clamp(42px, 5.4vw, 70px);
  line-height: 1.14;
  letter-spacing: -0.045em;
}

.split-heading > p,
.center-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.center-heading {
  max-width: 900px;
  text-align: center;
}

.center-heading p:last-child {
  max-width: 64ch;
  margin: 22px auto 0;
}

.story-section {
  background: var(--paper);
}

.story-layout {
  display: grid;
  width: var(--content);
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 54px;
  margin: 0 auto;
}

.story-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.story-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 20px;
  padding: 0 0 34px;
}

.story-timeline li::before {
  position: absolute;
  top: 48px;
  bottom: 0;
  left: 23px;
  width: 1px;
  background: var(--line);
  content: "";
}

.story-timeline li:last-child::before {
  display: none;
}

.story-timeline > li > span {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--blue);
  background: var(--paper-2);
  font-size: 10px;
  font-weight: 900;
}

.story-timeline small {
  color: var(--coral-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.story-timeline h3 {
  margin: 5px 0 0;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 24px;
  line-height: 1.35;
}

.story-timeline p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.story-timeline .is-turning-point > span {
  color: var(--ink);
  background: var(--coral);
}

.story-artifact {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: var(--shadow);
  transform: rotate(1.2deg);
}

.story-artifact img {
  width: 100%;
  border-radius: 18px;
}

.story-artifact figcaption {
  padding: 11px 8px 2px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.story-bridge {
  display: flex;
  width: var(--content);
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  margin: 72px auto 0;
  padding: 30px 34px;
  border-left: 5px solid var(--coral);
  color: var(--white);
  background: var(--ink);
}

.story-bridge span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
}

.story-bridge strong {
  max-width: 25ch;
  color: var(--mint);
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 24px;
  text-align: right;
}

.diagnosis-section {
  color: var(--white);
  background:
    radial-gradient(circle at 6% 8%, rgba(255, 101, 52, 0.22), transparent 27rem),
    linear-gradient(135deg, var(--blue-dark), var(--blue));
}

.diagnosis-layout {
  display: grid;
  width: var(--content);
  grid-template-columns: 0.78fr 1.22fr;
  gap: 58px;
  margin: 0 auto;
}

.diagnosis-copy > p:not(.eyebrow) {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.diagnosis-result {
  margin-top: 36px;
  padding: 24px 26px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 22px;
  background: rgba(7, 23, 32, 0.46);
  box-shadow: 0 20px 50px rgba(6, 20, 31, 0.22);
}

.diagnosis-result-score {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.diagnosis-result-score > span {
  color: var(--mint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.diagnosis-result-score strong {
  display: flex;
  align-items: baseline;
  color: var(--coral);
  font-family: Georgia, serif;
  line-height: 0.9;
}

.diagnosis-result-score b {
  font-size: 54px;
}

.diagnosis-result-score small {
  margin-left: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-family: "Noto Sans TC", "PingFang TC", sans-serif;
  font-size: 12px;
}

.diagnosis-meter {
  height: 8px;
  margin-top: 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.diagnosis-meter i {
  display: block;
  width: var(--diagnosis-score, 0%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), var(--coral));
  transition: width 220ms ease;
}

.diagnosis-result p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 15px;
  font-weight: 700;
}

.diagnosis-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  border: 0;
}

.diagnosis-list label {
  display: grid;
  min-height: 86px;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.diagnosis-list label:hover {
  background: rgba(255, 255, 255, 0.13);
  transform: translateX(4px);
}

.diagnosis-list label:has(input:checked) {
  border-color: rgba(255, 101, 52, 0.9);
  background: rgba(7, 23, 32, 0.3);
  box-shadow: inset 4px 0 0 var(--coral);
}

.diagnosis-list input {
  width: 22px;
  height: 22px;
  margin: 0;
  accent-color: var(--coral);
}

.diagnosis-list span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.diagnosis-list b {
  display: block;
  color: var(--white);
  font-size: 16px;
}

.curriculum-section {
  background: var(--paper-2);
}

.module-total {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  margin: -20px auto 34px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--paper);
  font-size: 11px;
}

.module-total strong {
  color: var(--ink);
}

.module-total span {
  color: var(--coral-dark);
  font-weight: 900;
}

.module-grid {
  display: grid;
  width: var(--content);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0 auto;
}

.module-card {
  display: flex;
  min-height: 286px;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.module-card > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.module-card > div span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 900;
}

.module-card small {
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.14em;
  opacity: 0.55;
}

.module-card h3 {
  max-width: 12ch;
  margin: 46px 0 0;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 29px;
  line-height: 1.25;
}

.module-card p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.module-output {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid currentColor;
  color: inherit;
  font-size: 11px;
  line-height: 1.45;
  opacity: 0.78;
}

.module-card-featured {
  color: var(--ink);
  background: var(--mint);
}

.module-card-featured p {
  color: rgba(11, 29, 42, 0.68);
}

.module-card-blue {
  color: var(--white);
  background: var(--blue);
}

.module-card-blue p,
.module-card-ink p {
  color: rgba(255, 255, 255, 0.68);
}

.module-card-ink {
  color: var(--white);
  background: var(--ink);
}

.method-section {
  background: var(--paper);
}

.method-grid {
  display: grid;
  width: var(--content);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 0 auto;
}

.method-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: 0 18px 48px rgba(11, 29, 42, 0.08);
  overflow: hidden;
}

.method-card figure {
  margin: 0;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.method-card figure img {
  width: 100%;
  border-radius: 20px 20px 12px 12px;
}

.method-card-body {
  padding: 30px 32px 34px;
}

.method-card-body > span {
  color: var(--coral-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.method-card h3 {
  margin: 10px 0 0;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: clamp(27px, 2.6vw, 38px);
  line-height: 1.25;
}

.method-card p {
  margin: 16px 0 0;
  color: var(--muted);
}

.method-card ul,
.check-list,
.fit-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.method-card li,
.check-list li,
.fit-card li {
  position: relative;
  padding-left: 24px;
  font-size: 13px;
}

.method-card li::before,
.check-list li::before,
.fit-card li::before {
  position: absolute;
  top: 0.65em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  content: "";
}

.ai-section {
  color: var(--white);
  background:
    radial-gradient(circle at 76% 24%, rgba(49, 83, 216, 0.38), transparent 31rem),
    #071720;
}

.ai-layout {
  display: grid;
  width: var(--content);
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 52px;
  margin: 0 auto;
}

.ai-copy > p:not(.eyebrow) {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.64);
}

.ai-copy .check-list li {
  color: rgba(255, 255, 255, 0.78);
}

.ai-copy .check-list li::before {
  background: var(--mint);
}

.ai-artifact {
  width: 100%;
  max-width: 660px;
  justify-self: end;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: 0 34px 80px rgba(0, 0, 0, 0.32);
}

.ai-artifact img {
  width: 100%;
  border-radius: 17px;
}

.ai-artifact figcaption {
  padding: 11px 8px 2px;
  color: var(--muted);
  font-size: 10px;
}

.output-section {
  background: var(--paper-2);
}

.output-grid {
  display: grid;
  width: var(--content);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 0 auto;
}

.output-card {
  min-height: 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 20px 52px rgba(11, 29, 42, 0.08);
}

.output-card-class {
  border-top: 8px solid var(--blue);
}

.output-card-home {
  border-top: 8px solid var(--mint);
}

.output-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.output-card-heading p {
  margin: 0;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.68;
}

.output-card-heading span {
  color: var(--coral-dark);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.output-preview {
  position: relative;
  display: flex;
  min-height: 156px;
  flex-direction: column;
  justify-content: flex-end;
  margin-top: 24px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(90deg, rgba(11, 29, 42, 0.055) 1px, transparent 1px),
    var(--paper-2);
  background-size: 28px 100%;
  overflow: hidden;
}

.output-preview::after {
  position: absolute;
  top: 20px;
  right: 22px;
  width: 74px;
  height: 88px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: -9px 9px 0 rgba(49, 83, 216, 0.08);
  content: "";
}

.output-preview span,
.output-preview strong {
  position: relative;
  z-index: 1;
  max-width: 62%;
}

.output-preview span {
  color: var(--coral-dark);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.output-preview strong {
  margin-top: 7px;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 19px;
  line-height: 1.35;
}

.output-preview i {
  position: absolute;
  z-index: 1;
  right: 35px;
  width: 48px;
  height: 2px;
  background: rgba(11, 29, 42, 0.18);
}

.output-preview i:nth-of-type(1) { top: 47px; }
.output-preview i:nth-of-type(2) { top: 59px; width: 38px; }
.output-preview i:nth-of-type(3) { top: 71px; width: 44px; }

.output-card ol {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.output-card li {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.output-card li span {
  color: var(--blue);
  font-family: Georgia, serif;
  font-size: 26px;
  opacity: 0.48;
}

.output-card-home li span {
  color: var(--coral-dark);
}

.output-card li strong {
  font-size: 16px;
}

.launch-card {
  position: relative;
  width: var(--content);
  margin: 56px auto 0;
  border-radius: var(--radius);
  background: var(--ink);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.launch-card img {
  width: 100%;
}

.launch-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px;
  color: var(--white);
}

.launch-card figcaption span {
  color: var(--coral);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.launch-card figcaption strong {
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 22px;
  text-align: right;
}

.fit-section {
  background: var(--paper);
}

.fit-grid {
  display: grid;
  width: var(--content);
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 0 auto;
}

.fit-card {
  min-height: 430px;
  padding: 38px;
  border-radius: var(--radius);
}

.fit-card > span {
  display: inline-flex;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 900;
}

.fit-card h3 {
  max-width: 18ch;
  margin: 72px 0 0;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 35px;
  line-height: 1.28;
}

.is-fit {
  color: var(--ink);
  background: var(--mint);
}

.is-fit > span {
  background: rgba(11, 29, 42, 0.1);
}

.is-not-fit {
  color: var(--white);
  background: var(--ink);
}

.is-not-fit > span {
  background: rgba(255, 255, 255, 0.1);
}

.is-not-fit li {
  color: rgba(255, 255, 255, 0.7);
}

.faq-section {
  background: var(--paper-2);
}

.faq-list {
  display: grid;
  width: var(--content);
  gap: 10px;
  margin: 0 auto;
}

.faq-list details {
  border-top: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 8px;
  font-family: "Noto Serif TC", Georgia, serif;
  font-size: 20px;
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--blue);
  content: "+";
  font-family: sans-serif;
  font-size: 20px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 74ch;
  margin: 0;
  padding: 0 8px 26px;
  color: var(--muted);
  font-size: 14px;
}

.register-section {
  display: grid;
  min-height: 500px;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 64px;
  padding: 100px max(24px, calc((100vw - 1200px) / 2));
  color: var(--white);
  background:
    radial-gradient(circle at 84% 14%, rgba(255, 101, 52, 0.3), transparent 26rem),
    linear-gradient(135deg, var(--ink), var(--ink-2));
}

.register-section > div:first-child > p:not(.eyebrow) {
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.62);
}

.register-actions {
  display: flex;
  max-width: 290px;
  flex-direction: column;
  gap: 14px;
}

.register-actions small {
  color: rgba(255, 255, 255, 0.46);
  font-size: 10px;
}

.site-footer {
  display: grid;
  min-height: 110px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 22px max(24px, calc((100vw - 1200px) / 2));
  color: var(--white);
  background: #071720;
}

.site-footer p {
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 11px;
  text-align: center;
}

.site-footer > a:last-child {
  justify-self: end;
  color: var(--coral);
  font-size: 11px;
  font-weight: 900;
  text-decoration: none;
}

.footer-nav {
  display: flex;
  justify-self: end;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
  font-weight: 800;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--white);
}

:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

@media (max-width: 1020px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding-inline: 22px;
  }

  .main-nav {
    display: none;
  }

  .main-nav.is-open {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 10px 22px 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(11, 29, 42, 0.98);
    box-shadow: 0 20px 36px rgba(2, 12, 18, 0.3);
  }

  .main-nav.is-open a {
    justify-content: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .main-nav.is-open .site-nav-group { display: grid; }
  .main-nav.is-open .site-nav-submenu {
    position: static;
    width: auto;
    margin: 0 0 8px 14px;
    padding: 4px 0 4px 10px;
    border: 0;
    border-left: 2px solid rgba(255, 101, 52, 0.7);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    visibility: visible;
  }
  .main-nav.is-open .site-nav-submenu a { min-height: 44px; border-bottom: 0; font-size: 11px; }
  .main-nav.is-open .site-nav-chevron { transform: rotate(180deg); }

  .main-nav.is-open a:last-child {
    border-bottom: 0;
  }

  .nav-toggle {
    display: grid;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.84fr;
    gap: 38px;
  }

  .hero-visual {
    padding-left: 0;
  }

  .split-heading,
  .story-layout,
  .diagnosis-layout,
  .ai-layout,
  .output-grid {
    grid-template-columns: 1fr;
  }

  .split-heading {
    gap: 22px;
  }

  .story-layout,
  .ai-layout {
    gap: 48px;
  }

  .diagnosis-copy {
    max-width: 760px;
  }

  .module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .output-card {
    min-height: 0;
  }

  .register-section {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (max-width: 760px) {
  .proposal-bar {
    font-size: 9px;
  }

  .site-header {
    min-height: 68px;
    padding-inline: 18px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    padding: 9px 11px;
    font-size: 9px;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 72px 0 82px;
  }

  .hero-copy h1 span {
    font-size: clamp(58px, 18vw, 78px);
  }

  .hero-copy h1 em {
    font-size: 24px;
  }

  .hero-lead {
    font-size: 22px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .hero-facts div {
    min-width: 0;
    padding: 0 10px;
  }

  .hero-facts dt {
    font-size: 26px;
  }

  .hero-visual {
    max-width: 430px;
    margin: 52px auto 0;
    padding: 0;
  }

  .hero-course-card {
    width: 100%;
    margin: 0;
    padding: 7px;
    border-radius: 18px;
  }

  .hero-course-card img {
    border-radius: 12px;
  }

  .hero-course-card figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
    padding: 11px 7px 4px;
  }

  .hero-course-card figcaption strong {
    text-align: left;
  }

  .hero-artifact-note {
    max-width: 34ch;
  }

  .hero-method-card {
    width: 100%;
    padding: 19px 18px 20px;
    border-radius: 18px;
  }

  .hero-method-heading {
    display: grid;
    gap: 7px;
    margin-bottom: 15px;
  }

  .hero-method-heading h2 {
    max-width: none;
    font-size: 20px;
    text-align: left;
  }

  .hero-method-steps {
    gap: 8px;
  }

  .hero-method-steps li {
    align-items: flex-start;
    gap: 8px;
    padding: 11px 10px;
  }

  .hero-method-steps li > span {
    font-size: 14px;
  }

  .section {
    padding: 82px 0;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .section-heading h2,
  .diagnosis-copy h2,
  .ai-copy h2,
  .register-section h2 {
    font-size: 40px;
  }

  .story-timeline h3 {
    font-size: 20px;
  }

  .story-artifact {
    padding: 7px;
    border-radius: 18px;
    transform: none;
  }

  .story-artifact img {
    border-radius: 12px;
  }

  .story-bridge {
    align-items: flex-start;
    flex-direction: column;
    padding: 26px 24px;
  }

  .story-bridge strong {
    text-align: left;
  }

  .diagnosis-layout {
    gap: 42px;
  }

  .diagnosis-result {
    margin-top: 28px;
  }

  .diagnosis-list label {
    min-height: 0;
    padding: 16px;
  }

  .module-grid,
  .fit-grid {
    grid-template-columns: 1fr;
  }

  .module-card {
    min-height: 0;
  }

  .module-card h3 {
    margin-top: 34px;
  }

  .method-grid {
    grid-template-columns: 1fr;
  }

  .method-card figure,
  .ai-artifact {
    padding: 7px;
    border-radius: 18px;
  }

  .method-card figure img,
  .ai-artifact img {
    border-radius: 12px;
  }

  .method-card-body {
    padding: 26px 24px 30px;
  }

  .method-card h3 {
    font-size: 32px;
  }

  .output-card {
    padding: 28px 24px;
  }

  .output-card ol {
    margin-top: 24px;
  }

  .output-preview {
    min-height: 148px;
    padding: 22px;
  }

  .output-card li {
    grid-template-columns: 38px 1fr;
    gap: 10px;
  }

  .launch-card {
    border-radius: 18px;
  }

  .launch-card figcaption {
    align-items: flex-start;
    flex-direction: column;
    padding: 20px;
  }

  .launch-card figcaption strong {
    font-size: 18px;
    text-align: left;
  }

  .fit-card {
    min-height: 0;
    padding: 30px 26px;
  }

  .fit-card h3 {
    margin-top: 44px;
    font-size: 29px;
  }

  .faq-list summary {
    font-size: 17px;
  }

  .register-section {
    min-height: 0;
    gap: 42px;
    padding: 82px 20px;
  }

  .register-actions {
    max-width: none;
  }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 26px 20px;
    text-align: center;
  }

  .site-footer .brand,
  .site-footer > a:last-child,
  .footer-nav {
    justify-self: center;
  }

  .footer-nav {
    justify-content: center;
  }
}

@media (max-width: 340px) {
  :root {
    --content: min(1200px, calc(100% - 32px));
  }

  .site-header {
    padding-inline: 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    display: none;
  }

  .hero-facts dd {
    font-size: 9px;
  }

  .story-timeline li {
    grid-template-columns: 46px 1fr;
    gap: 14px;
  }

  .story-timeline > li > span {
    width: 42px;
    height: 42px;
  }

  .story-timeline li::before {
    top: 42px;
    left: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}