:root {
  --teal: #78b9d8;
  /* a11y：teal-dark 加深以通過 WCAG AA 對比（白底/mint 底/白字皆 ≥4.5） */
  --teal-dark: #246073;
  --green: #ffe38b;
  --coral: #ff786f;
  --leaf: #9fcf86;
  --mint: #dceef6;
  --mint-2: #f5fbff;
  --ink: #17324a;
  --text: #2e4a5f;
  --muted: #556d7a;
  --paper: #ffffff;
  --soft: #eef7fb;
  --line: #d6e8f0;
  --shadow: 0 16px 34px rgba(83, 151, 176, 0.18);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 0 max(28px, calc((100vw - 1180px) / 2));
  color: var(--teal-dark);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(214, 232, 240, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 176px;
}

.brand-logo {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--teal-dark);
  border-radius: 50%;
  font-weight: 800;
}

.brand-name strong,
.brand-name em {
  display: block;
  font-style: normal;
  line-height: 1.12;
}

.brand-name strong {
  font-size: 16px;
  font-weight: 800;
}

.brand-name em {
  margin-top: 3px;
  font-size: 12px;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 30px;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  color: var(--ink);
}

.header-action,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  white-space: nowrap;
}

.header-action,
.btn.primary {
  color: #fff;
  background: var(--teal-dark);
  box-shadow: 0 10px 22px rgba(83, 151, 176, 0.24);
}

.btn.secondary {
  color: var(--teal-dark);
  background: #fff;
  border: 1px solid var(--line);
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(90deg, var(--mint) 0%, #edf7fb 100%);
}

.hero::before,
.hero::after,
.solutions::after,
.process-section::before {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 620'%3E%3Cpath d='M0 0h590c-54 92-166 98-282 112C178 128 154 249 0 288Z' fill='%23b8ddeb' opacity='.38'/%3E%3Cpath d='M1440 92c-118-6-198 47-214 142-20 118 65 166 214 148Z' fill='%23c9e6f1' opacity='.5'/%3E%3Cpath d='M594 620c136-90 266-114 420-92 176 26 254-54 426-84v176Z' fill='%23c6e4ef' opacity='.34'/%3E%3Cpath d='M-120 334C128 224 198 140 480 132c292-8 430-30 544-186' fill='none' stroke='%23ffffff' stroke-width='4' stroke-linecap='round' opacity='.82'/%3E%3Cpath d='M824 620c180-124 334-118 616-286' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' opacity='.62'/%3E%3Ccircle cx='118' cy='196' r='17' fill='none' stroke='%23ffffff' stroke-width='3' stroke-dasharray='7 7' opacity='.88'/%3E%3Ccircle cx='706' cy='88' r='5' fill='none' stroke='%23ffffff' stroke-width='4' opacity='.72'/%3E%3Cpath d='M1004 108h34M1021 91v34' stroke='%23ffffff' stroke-width='5' stroke-linecap='round' opacity='.82'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.hero::after {
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 620'%3E%3Cpath d='M20 452C116 438 178 472 224 548' fill='none' stroke='%23ff786f' stroke-width='2' opacity='.32'/%3E%3Ccircle cx='1298' cy='476' r='8' fill='none' stroke='%23ffffff' stroke-width='4' opacity='.9'/%3E%3Ccircle cx='764' cy='580' r='6' fill='none' stroke='%23ffffff' stroke-width='4' opacity='.74'/%3E%3Ccircle cx='785' cy='48' r='16' fill='none' stroke='%23ffffff' stroke-width='3' stroke-dasharray='7 7' opacity='.7'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 48px));
  min-height: 560px;
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(420px, 0.8fr);
  gap: 70px;
  align-items: center;
  margin: 0 auto;
  padding: 58px 0 70px;
}

.eyebrow,
.kicker,
.section-label {
  margin: 0;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
  line-height: 1.4;
}

.hero h1,
.section h2,
.process-section h2,
.contact-section h2 {
  margin: 0;
  color: var(--ink);
  font-size: 46px;
  line-height: 1.18;
  font-weight: 900;
}

.hero .lead {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--text);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.caption {
  margin: 22px 0 0;
  color: var(--ink);
  font-weight: 800;
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.circle-photo {
  position: absolute;
  top: 8px;
  right: 14px;
  width: min(390px, 82vw);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.circle-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% 72%;
}

.circle-photo::after {
  content: "";
  position: absolute;
  right: -26px;
  bottom: 40px;
  width: 122px;
  height: 122px;
  background: var(--green);
  border-radius: 0 80px 80px 80px;
  mix-blend-mode: multiply;
  opacity: 0.82;
}

.hero-card {
  position: absolute;
  min-width: 178px;
  padding: 18px 20px;
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-card span,
.hero-card strong,
.hero-card p {
  display: block;
  margin: 0;
}

.hero-card span {
  color: var(--teal-dark);
  font-size: 13px;
  font-weight: 900;
}

.hero-card strong {
  margin-top: 4px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.2;
}

.hero-card p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.shift-card {
  left: 0;
  bottom: 76px;
}

.record-card {
  right: 0;
  bottom: 8px;
}

.metric-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 58px 0;
  border-bottom: 1px solid var(--line);
}

.metric-band div {
  min-height: 96px;
  padding: 0 34px;
  border-right: 1px solid var(--line);
}

.metric-band div:first-child {
  padding-left: 0;
}

.metric-band div:last-child {
  border-right: 0;
}

.metric-band strong {
  display: block;
  color: var(--teal-dark);
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
}

.metric-band span {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 800;
}

.section,
.process-section,
.contact-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 86px 0;
}

.about,
.ux-section {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 64px;
}

.about-copy,
.ux-copy {
  max-width: 760px;
}

.about-copy p,
.ux-copy p,
.contact-copy p {
  margin: 22px 0 0;
  color: var(--text);
  font-size: 17px;
}

.solutions {
  position: relative;
  width: 100%;
  background: linear-gradient(180deg, var(--soft) 0%, #f6fbfd 100%);
  overflow: hidden;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
}

.solutions::after {
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 900'%3E%3Cpath d='M0 72c132-20 226 14 302 108 78 96 198 116 342 70 146-46 262-28 348 72' fill='none' stroke='%23ffffff' stroke-width='4' stroke-linecap='round' opacity='.7'/%3E%3Cpath d='M920 804c156-154 268-198 520-170' fill='none' stroke='%2378b9d8' stroke-width='2' stroke-linecap='round' opacity='.2'/%3E%3Cpath d='M1020 0c-70 94-58 174 34 238 94 66 98 148 26 246' fill='%23d9eef6' opacity='.48'/%3E%3Cpath d='M0 604c92-54 190-44 286 30 96 72 218 74 352 8' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' opacity='.55'/%3E%3Ccircle cx='1208' cy='716' r='92' fill='none' stroke='%23ff786f' stroke-width='2' opacity='.23'/%3E%3Ccircle cx='112' cy='342' r='16' fill='none' stroke='%23ffffff' stroke-width='3' stroke-dasharray='7 7' opacity='.78'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center top;
  opacity: 0.95;
}

.section-heading {
  max-width: 720px;
}

.solutions .section-heading {
  position: relative;
  z-index: 1;
}

.section-heading.centered {
  margin: 0 auto 54px;
  text-align: center;
}

.solution-list {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 72px;
}

.solution-row {
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(360px, 1fr);
  gap: 62px;
  align-items: center;
}

.solution-row.reverse {
  grid-template-columns: minmax(440px, 1fr) minmax(340px, 0.86fr);
}

.solution-image {
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.solution-image img {
  width: 100%;
  height: 315px;
  object-fit: cover;
}

.solution-copy h3 {
  margin: 12px 0 14px;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.28;
  font-weight: 900;
}

.solution-copy ul {
  display: grid;
  gap: 8px;
  padding-left: 1.2em;
  margin: 0;
  color: var(--text);
}

.product-panel {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--ink);
  font-weight: 900;
  padding: 8px 8px 18px;
}

.panel-top em {
  color: var(--teal-dark);
  font-style: normal;
  font-size: 13px;
}

.panel-main {
  display: grid;
  grid-template-columns: 0.78fr 1.25fr;
  gap: 18px;
}

.phone-ui {
  min-height: 340px;
  padding: 20px;
  color: var(--text);
  background: var(--mint-2);
  border-radius: 18px;
}

.phone-head,
.brief-stats {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.phone-head span,
.mini-row span,
.panel-top span {
  color: var(--teal-dark);
  font-weight: 900;
}

.phone-head strong {
  color: var(--ink);
  font-size: 26px;
  line-height: 1;
}

.mini-row {
  margin-top: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.mini-row.active {
  padding: 14px;
  background: #fff;
  border-radius: 14px;
  border-top: 0;
}

.mini-row em {
  display: block;
  color: var(--muted);
  font-style: normal;
  font-size: 13px;
}

.brief-ui {
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.brief-ui h4 {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 26px;
  line-height: 1.2;
}

.brief-stats {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.brief-stats span {
  flex: 1;
  display: grid;
  gap: 4px;
  min-height: 82px;
  align-content: center;
  padding: 0 12px;
  color: var(--muted);
  font-size: 12px;
  border-right: 1px solid var(--line);
}

.brief-stats span:last-child {
  border-right: 0;
}

.brief-stats strong {
  color: var(--ink);
  font-size: 25px;
  line-height: 1;
}

.brief-ui p {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.process-section {
  position: relative;
  overflow: hidden;
}

.process-section::before {
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1180 420'%3E%3Cpath d='M-70 178c148-106 286-92 414 42 96 100 214 116 354 48 154-74 306-52 552 114' fill='none' stroke='%2378b9d8' stroke-width='2' stroke-linecap='round' opacity='.18'/%3E%3Cpath d='M856 20c68 24 104 76 108 156 4 84 54 126 150 128' fill='none' stroke='%23ffffff' stroke-width='4' stroke-linecap='round' opacity='.76'/%3E%3Ccircle cx='1024' cy='86' r='19' fill='none' stroke='%2378b9d8' stroke-width='2' stroke-dasharray='6 7' opacity='.35'/%3E%3Cpath d='M92 50h24M104 38v24' stroke='%23ff786f' stroke-width='3' stroke-linecap='round' opacity='.28'/%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

.process-section > * {
  position: relative;
  z-index: 1;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 44px;
}

.process-grid article {
  min-height: 260px;
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 12px 26px rgba(83, 151, 176, 0.1);
}

.process-grid span {
  color: var(--teal-dark);
  font-weight: 900;
}

.process-grid svg {
  width: 26px;
  height: 26px;
  margin-top: 34px;
  color: var(--teal-dark);
  stroke-width: 1.8;
}

.process-grid h3 {
  margin: 16px 0 8px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.24;
}

.process-grid p {
  margin: 0;
  color: var(--muted);
}

.ux-section {
  width: 100%;
  padding-left: max(24px, calc((100% - 1180px) / 2));
  padding-right: max(24px, calc((100% - 1180px) / 2));
  background: var(--mint);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(360px, 0.75fr);
  gap: 72px;
  align-items: start;
}

.demo-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.demo-form label {
  display: grid;
  gap: 8px;
}

.demo-form label span {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.demo-form input,
.demo-form select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  color: var(--text);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.form-message {
  min-height: 22px;
  margin: 0;
  color: var(--teal-dark);
  font-weight: 900;
}

.contact-cta {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  align-content: center;
}

.phone-cta {
  justify-content: center;
  height: 56px;
  font-size: 18px;
  letter-spacing: 0.04em;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 120px;
  padding: 28px max(28px, calc((100vw - 1180px) / 2));
  color: var(--ink);
  background: var(--mint);
  border-top: 1px solid var(--line);
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer span {
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    height: 64px;
    padding: 0 18px;
  }

  .nav {
    display: none;
  }

  .hero-inner,
  .solution-row,
  .solution-row.reverse,
  .about,
  .ux-section,
  .contact-section {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-inner {
    min-height: auto;
    padding: 52px 0 58px;
  }

  .hero-visual {
    min-height: 460px;
  }

  .circle-photo {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .metric-band,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-band div:nth-child(2) {
    border-right: 0;
  }

  .metric-band div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
    padding-bottom: 30px;
  }

  .metric-band div:nth-child(n + 3) {
    padding-top: 30px;
  }

  .panel-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    gap: 14px;
  }

  .brand {
    min-width: auto;
  }

  .brand-name em {
    display: none;
  }

  .header-action {
    min-height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .hero-inner,
  .section,
  .process-section,
  .contact-section,
  .metric-band {
    width: min(100% - 32px, 1180px);
  }

  .hero h1,
  .section h2,
  .process-section h2,
  .contact-section h2 {
    font-size: 34px;
  }

  .hero .lead,
  .about-copy p,
  .ux-copy p,
  .contact-copy p {
    font-size: 16px;
  }

  .hero-visual {
    min-height: 370px;
  }

  .circle-photo {
    width: 300px;
  }

  .hero-card {
    min-width: 150px;
    padding: 14px 16px;
  }

  .shift-card {
    left: 0;
    bottom: 74px;
  }

  .record-card {
    right: 0;
    bottom: 6px;
  }

  .metric-band,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .metric-band {
    padding: 36px 0;
  }

  .metric-band div,
  .metric-band div:first-child,
  .metric-band div:nth-child(n + 3) {
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-band div:last-child {
    border-bottom: 0;
  }

  .section,
  .process-section,
  .contact-section {
    padding: 62px 0;
  }

  .solutions,
  .ux-section {
    padding-left: 16px;
    padding-right: 16px;
  }

  .solution-copy h3 {
    font-size: 28px;
  }

  .brief-stats {
    display: grid;
  }

  .brief-stats span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .brief-stats span:last-child {
    border-bottom: 0;
  }

  .site-footer {
    display: block;
  }

  .site-footer a {
    display: inline-block;
    margin-top: 18px;
  }
}