:root {
  --color-primary: #1e5aa8;
  --color-primary-dark: #123e75;
  --color-ink: #172033;
  --color-muted: #5f6b7a;
  --color-line: #167e63;
  --color-border: #d8e1ec;
  --color-panel: #f5f8fb;
  --color-soft: #edf4fb;
  --color-white: #ffffff;
  --shadow-soft: 0 16px 40px rgba(23, 32, 51, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background: #ffffff;
  font-family: "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
  color: var(--color-primary-dark);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  border-bottom: 1px solid rgba(216, 225, 236, 0.9);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  color: var(--color-ink);
  font-weight: 800;
  line-height: 1.15;
  text-decoration: none;
}

.brand small {
  color: var(--color-muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.primary-nav {
  display: flex;
  flex: 1 1 280px;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  justify-content: center;
}

.primary-nav a {
  min-height: 40px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-weight: 700;
  text-decoration: none;
}

.primary-nav a[aria-current="page"],
.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--color-primary-dark);
  background: var(--color-soft);
}

.button,
.nav-cta {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
}

.button:hover,
.button:focus-visible,
.nav-cta:hover,
.nav-cta:focus-visible {
  border-color: var(--color-primary-dark);
  background: var(--color-primary-dark);
  color: var(--color-white);
}

.button.secondary {
  background: var(--color-white);
  color: var(--color-primary);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--color-soft);
  color: var(--color-primary-dark);
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 72px 0 34px;
}

.hero-copy h1 {
  max-width: 880px;
  margin: 0 0 18px;
  color: var(--color-primary-dark);
  font-size: 4.45rem;
  line-height: 1.05;
}

.hero-copy .hero-number {
  display: inline-block;
  color: var(--color-primary);
  font-size: 1.22em;
  line-height: 0.98;
}

.hero-copy p {
  max-width: 820px;
  margin: 0 0 16px;
  font-size: 1.08rem;
}

.intro {
  padding: 46px 0 24px;
}

.intro h1 {
  margin: 0 0 18px;
  color: var(--color-primary-dark);
  font-size: 3rem;
  line-height: 1.16;
}

.intro p {
  max-width: 860px;
  margin: 0 0 16px;
  font-size: 1.08rem;
}

blockquote {
  margin: 24px 0;
  padding: 16px 18px;
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius);
  background: var(--color-soft);
}

blockquote p {
  margin: 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

.hero-grid {
  display: grid;
  gap: 24px;
}

.qr-card {
  align-self: start;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f6faf8 100%);
  box-shadow: var(--shadow-soft);
}

.qr-card img {
  width: 168px;
  margin: 0 auto;
}

.copy {
  padding-bottom: 56px;
}

.content-section {
  padding: 38px 0;
  border-top: 1px solid var(--color-border);
}

.content-section h2 {
  margin: 0 0 20px;
  color: var(--color-primary-dark);
  font-size: 2rem;
  line-height: 1.22;
}

.content-section h3 {
  margin: 24px 0 8px;
  color: var(--color-ink);
  font-size: 1.18rem;
  line-height: 1.35;
}

.content-section p {
  margin: 0 0 16px;
}

.step-list,
.story-panel,
.faq-list {
  display: grid;
  gap: 16px;
}

.step,
.story-panel,
.faq-item,
.plan-card,
.enterprise-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
}

.step,
.story-panel,
.faq-item {
  padding: 18px;
}

.step h3,
.faq-item h3 {
  margin-top: 0;
}

.story-panel {
  background: var(--color-panel);
}

.table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
}

table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 0.96rem;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-soft);
  color: var(--color-primary-dark);
  font-weight: 800;
}

tr:last-child td {
  border-bottom: 0;
}

.plans {
  display: grid;
  gap: 16px;
}

.plan-grid {
  display: grid;
  gap: 16px;
}

.plan-card,
.enterprise-card {
  padding: 20px;
}

.plan-card h3,
.enterprise-card h3 {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 8px;
}

.price {
  margin: 0 0 12px;
  color: var(--color-primary-dark);
  font-size: 1.25rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #e9f6ef;
  color: var(--color-line);
  font-size: 0.78rem;
  font-weight: 800;
}

ul {
  margin: 0 0 18px;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #f7f9fc;
}

.footer-inner {
  display: grid;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  gap: 20px;
  padding: 28px 0;
}

.footer-brand strong {
  color: var(--color-primary-dark);
}

.footer-brand p {
  margin: 6px 0 0;
  color: var(--color-muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.footer-nav a {
  font-weight: 700;
}

.footer-qr img {
  width: 108px;
}

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

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 230px;
  }

  .plan-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
  }
}

@media (max-width: 767px) {
  .site-header {
    align-items: flex-start;
  }

  .primary-nav {
    order: 3;
    flex-basis: 100%;
    justify-content: flex-start;
  }

  .nav-cta {
    max-width: 168px;
  }

  .hero-copy h1,
  .intro h1 {
    font-size: 2.1rem;
  }

  .button {
    width: 100%;
  }

  .qr-card img {
    width: 148px;
  }
}

/* TASK_WEB02 visual refresh */
:root {
  --shadow-card: 0 14px 34px rgba(23, 32, 51, 0.075);
  --shadow-raised: 0 20px 48px rgba(30, 90, 168, 0.16);
  --color-warning: #e8a321;
}

body {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 48%, #ffffff 100%);
}

.button,
.nav-cta {
  box-shadow: 0 10px 22px rgba(30, 90, 168, 0.14);
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible,
.nav-cta:hover,
.nav-cta:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(18, 62, 117, 0.18);
}

.button.secondary {
  box-shadow: none;
}

.page,
.footer-inner {
  width: min(1160px, calc(100% - 32px));
}

.hero {
  padding: 72px 0 48px;
}

.hero-copy h1 {
  max-width: 920px;
  font-size: 4.45rem;
  letter-spacing: 0;
}

.hero-copy .hero-number {
  position: relative;
  display: inline-grid;
  min-width: 2.95em;
  padding: 0 0.06em 0.26em;
  color: var(--color-primary);
  font-size: 1.3em;
  line-height: 0.92;
  isolation: isolate;
}

.hero-copy .hero-number::before {
  position: absolute;
  inset: 0.06em -0.08em 0.24em;
  z-index: -1;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(30, 90, 168, 0.08), rgba(22, 126, 99, 0.08));
  content: "";
}

.hero-copy .hero-number::after {
  display: block;
  width: 170px;
  max-width: 100%;
  height: 16px;
  margin-top: 10px;
  background:
    radial-gradient(circle at 5px 5px, var(--color-primary) 0 4px, transparent 4.5px) 0 0 / 17px 16px no-repeat,
    radial-gradient(circle at 5px 5px, #c9d6e5 0 3px, transparent 3.5px) 0 0 / 17px 16px repeat-x;
  content: "";
}

.hero-copy p,
.intro p {
  color: #344057;
}

.hero-grid {
  align-items: center;
}

.qr-card {
  border-color: rgba(30, 90, 168, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 250, 248, 0.96)),
    radial-gradient(circle at top right, rgba(22, 126, 99, 0.16), transparent 42%);
  box-shadow: var(--shadow-card);
}

.intro {
  padding: 58px 0 34px;
}

.intro h1 {
  font-size: 3rem;
  letter-spacing: 0;
}

.intro-with-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
}

.intro-visual {
  width: min(100%, 520px);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.content-section {
  padding: 54px 0;
}

.content-section h2 {
  position: relative;
  margin-bottom: 24px;
  padding-top: 14px;
  font-size: 2rem;
  letter-spacing: 0;
}

.content-section h2::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-line));
  content: "";
}

.content-section h3 {
  font-size: 1.17rem;
  letter-spacing: 0;
}

.step,
.story-panel,
.faq-item,
.plan-card,
.enterprise-card,
.feature-card,
.table-wrap {
  border-color: rgba(216, 225, 236, 0.95);
  box-shadow: var(--shadow-card);
}

.step,
.story-panel,
.faq-item,
.feature-card {
  padding: 22px;
}

.feature-grid,
.visual-grid {
  display: grid;
  gap: 18px;
}

.feature-card,
.visual-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
}

.feature-card h3,
.visual-card h3 {
  margin-top: 0;
}

.card-icon {
  width: 48px;
  height: 48px;
  margin: 0 0 14px;
}

.mockup-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 320px));
  gap: 18px;
  justify-content: center;
  margin-top: 26px;
}

.line-mockup {
  width: 100%;
  max-width: 320px;
  border-radius: 28px;
  filter: drop-shadow(0 18px 30px rgba(23, 32, 51, 0.14));
}

.intro-mockups {
  justify-content: start;
  margin-top: 30px;
}

.embedded-mockup {
  width: min(100%, 300px);
  margin: 16px auto 18px;
  border-radius: 24px;
  filter: drop-shadow(0 16px 26px rgba(23, 32, 51, 0.12));
}

.process-list {
  position: relative;
  counter-reset: process-step;
  gap: 16px;
}

.process-list .step {
  position: relative;
  min-height: 118px;
  padding-left: 78px;
}

.process-list .step::before {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 1;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 2px solid rgba(30, 90, 168, 0.2);
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 10px 18px rgba(30, 90, 168, 0.22);
  content: counter(process-step);
  counter-increment: process-step;
  font-weight: 800;
  line-height: 1;
}

.process-list .step::after {
  position: absolute;
  top: 66px;
  bottom: -18px;
  left: 40px;
  width: 2px;
  background: linear-gradient(180deg, rgba(30, 90, 168, 0.32), rgba(216, 225, 236, 0));
  content: "";
}

.process-list .step:last-child::after {
  display: none;
}

.journey-list .step:nth-child(4),
.journey-list .step:nth-child(5) {
  display: grid;
}

.plans {
  gap: 18px;
}

.plan-grid {
  align-items: stretch;
  gap: 18px;
}

.plan-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 22px;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.plan-card:hover,
.plan-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-raised);
}

.plan-card h3,
.enterprise-card h3 {
  line-height: 1.28;
}

.plan-card ul {
  margin-bottom: 24px;
}

.plan-card .button {
  width: 100%;
  margin-top: auto;
}

.plan-card.is-featured {
  border-color: rgba(30, 90, 168, 0.72);
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
  box-shadow: 0 18px 44px rgba(30, 90, 168, 0.15);
}

.badge {
  min-height: 28px;
  padding: 4px 10px;
  border: 1px solid rgba(22, 126, 99, 0.18);
  background: #e8f6f0;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.65);
  letter-spacing: 0;
}

.enterprise-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  background: linear-gradient(90deg, #ffffff 0%, #f5f8fb 100%);
}

.enterprise-card h3,
.enterprise-card .price,
.enterprise-card p {
  margin: 0;
}

.enterprise-card .button {
  white-space: nowrap;
}

.story-panel {
  background:
    linear-gradient(180deg, rgba(245, 248, 251, 0.94), rgba(255, 255, 255, 0.98)),
    radial-gradient(circle at top right, rgba(30, 90, 168, 0.12), transparent 38%);
}

.faq-list {
  gap: 14px;
}

.faq-item {
  background: #ffffff;
}

.site-footer {
  background: linear-gradient(180deg, #f7f9fc 0%, #eef4fa 100%);
}

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 230px;
  }

  .feature-grid,
  .pain-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .intro-with-visual {
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.8fr);
  }
}

@media (min-width: 1024px) {
  .plan-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .plan-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .site-header {
    padding: 14px;
  }

  .page,
  .footer-inner {
    width: min(100% - 28px, 1160px);
  }

  .hero {
    padding: 46px 0 34px;
  }

  .hero-copy h1,
  .intro h1 {
    font-size: 2.25rem;
  }

  .hero-copy .hero-number {
    min-width: 2.6em;
  }

  .hero-copy .hero-number::after {
    width: 132px;
    height: 14px;
    background-size: 14px 14px;
  }

  .intro {
    padding: 42px 0 26px;
  }

  .content-section {
    padding: 42px 0;
  }

  .content-section h2 {
    font-size: 1.55rem;
  }

  .feature-grid,
  .visual-grid,
  .mockup-row,
  .plan-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .mockup-row {
    justify-items: center;
  }

  .process-list .step {
    padding-left: 70px;
  }

  .process-list .step::before {
    left: 18px;
  }

  .process-list .step::after {
    left: 36px;
  }

  .enterprise-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .enterprise-card .button {
    width: 100%;
    white-space: normal;
  }
}

/* TASK_WEB03 corporate umbrella + product section */
.flagship-card {
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid rgba(30, 90, 168, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f6faff 100%);
  box-shadow: var(--shadow-raised);
}

.flagship-card h3 {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: 1.4rem;
}

.flagship-card .quote,
.product-card .quote {
  margin: 0;
  color: var(--color-primary);
  font-size: 1.1rem;
  font-weight: 800;
}

.flagship-card p:not(.quote),
.product-card p:not(.quote) {
  margin: 0;
}

.product-grid {
  display: grid;
  gap: 18px;
}

.product-card {
  display: grid;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}

.product-card h3 {
  margin: 0;
  color: var(--color-primary-dark);
}

.product-card .button {
  justify-self: start;
}

.more-products {
  padding: 20px 22px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  background: var(--color-panel);
  text-align: center;
}

.more-products p {
  margin: 0;
}

@media (min-width: 768px) {
  .product-grid {
    max-width: 560px;
  }
}