:root {
  --blue: #08a8ea;
  --blue-deep: #008fdd;
  --ink: #101820;
  --muted: #66717d;
  --line: #d9e0e6;
  --paper: #f7f8fa;
  --dark: #080c0f;
  --container: 1180px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-snap-type: none;
  scroll-padding-top: 78px;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.container { width: min(var(--container), calc(100% - 72px)); margin: 0 auto; }
.section {
  min-height: calc(100svh - 78px);
  display: flex;
  align-items: center;
  padding: 44px 0;
}
.section > .container { width: min(var(--container), calc(100% - 72px)); }
.section-title {
  margin: 0 0 32px;
  font-size: clamp(32px, 3.25vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}
.section-title span { color: var(--blue); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: 78px;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #edf0f3;
  backdrop-filter: blur(12px);
}
main > section,
.site-footer {
  scroll-margin-top: 78px;
}
.nav-wrap {
  width: min(1220px, calc(100% - 64px));
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand img { width: 202px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 38px; font-weight: 700; }
.main-nav a { transition: color .2s ease; }
.main-nav a:hover { color: var(--blue-deep); }
.main-nav a.active { color: var(--blue-deep); }
.login-link { padding: 10px 22px; border: 1px solid var(--ink); border-radius: 8px; }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: min(760px, calc(100vh - 78px));
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  background: url("../images/hero-background.webp") center/cover no-repeat;
}
.hero-overlay { position: absolute; inset: 0; background: rgba(4,12,20,.68); }
.hero-logo { position: absolute; z-index: 2; top: 38px; left: max(44px, calc((100% - var(--container))/2)); }
.hero-logo img { width: 300px; }
.hero-content { position: relative; z-index: 2; text-align: center; padding: 120px 40px 60px; }
.hero h1 { margin: 0; font-size: clamp(42px, 6vw, 82px); line-height: 1.18; letter-spacing: -.05em; }
.hero p { margin: 48px 0 0; color: var(--blue); font-size: clamp(25px, 3.3vw, 48px); font-weight: 700; }
.hero-actions { display: flex; justify-content: center; gap: 34px; margin-top: 52px; }
.hero-action {
  min-width: 164px;
  padding: 11px 28px;
  border: 2px solid var(--blue);
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 20px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease;
}
.hero-action:hover { transform: translateY(-2px); }
.hero-action.primary { color: #06121d; background: var(--blue); }
.hero-action.secondary { color: #fff; background: rgba(3,12,20,.18); }

.profile-section { background: #fff; }
.profile-layout { display: grid; grid-template-columns: .78fr 1.72fr; gap: 48px; align-items: stretch; }
.profile-photo { width: 100%; height: 100%; min-height: 600px; object-fit: cover; border-radius: 18px; filter: grayscale(1); }
.profile-content { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.profile-card { padding: 34px 36px; border: 1px solid var(--line); border-radius: 18px; }
.profile-card h3, .challenge-block h3 {
  display: inline-block;
  margin: 0 0 24px;
  padding: 7px 28px;
  color: #fff;
  background: #171717;
  border-radius: 999px;
  font-size: 19px;
}
.profile-card ul { margin: 0; padding-left: 1.25em; color: var(--muted); font-size: 18px; }
.profile-wide { grid-column: 1 / -1; }
.feature-columns { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; align-items: start; }
.feature-columns p { margin: 0; color: var(--muted); }
.feature-columns strong { color: #536270; }

.challenge-section { display: grid; grid-template-columns: 1.68fr 1fr; padding: 0; background: #f9fafb; }
.challenge-copy { padding: 90px max(48px, calc((100vw - var(--container))/2)); padding-right: 68px; }
.challenge-block + .challenge-block { margin-top: 54px; }
.challenge-block ul { margin: 0; padding-left: 1.25em; color: var(--muted); font-size: 18px; }
.challenge-block li + li { margin-top: 8px; }
.challenge-block strong { color: var(--ink); }
.challenge-visual { position: relative; min-height: 720px; background: #222; overflow: hidden; }
.challenge-visual img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) brightness(.62); }
.challenge-visual p {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  margin: 0;
  padding: 42px 30px;
  color: #fff;
  background: rgba(0,0,0,.55);
  text-align: center;
  font-size: 23px;
  font-weight: 700;
}

.why-section { min-height: 720px; }
.why-core {
  width: min(340px, 55vw);
  margin: 0 auto 96px;
  padding: 58px 20px;
  color: #fff;
  background: #050505;
  border: 12px solid #eee;
  border-radius: 28px;
  text-align: center;
  font-size: 36px;
  font-weight: 700;
}
.why-grid { position: relative; display: grid; grid-template-columns: repeat(3,1fr); gap: 48px; text-align: center; }
.why-grid::before { content: ""; position: absolute; top: -50px; right: 15%; left: 15%; border-top: 3px dashed #d4d4d4; }
.why-grid article { position: relative; }
.why-grid article::before { content: "↓"; position: absolute; top: -64px; left: 50%; color: #ccc; font-size: 32px; transform: translateX(-50%); }
.why-grid h3 { margin: 0 0 20px; font-size: 28px; }
.why-grid p { margin: 0; color: var(--muted); font-size: 17px; }

.comparison-section { background: #fff; }
.table-scroll { overflow-x: auto; overflow-y: hidden; padding-bottom: 0; border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
.comparison-table th, .comparison-table td { padding: 22px 25px; text-align: center; border-bottom: 1px solid #e1e5e9; }
.comparison-table thead th { font-size: 23px; color: #666; }
.comparison-table thead th:first-child { min-width: 148px; white-space: nowrap; }
.comparison-table tbody th {
  width: 138px;
  color: #fff;
  background: transparent;
  border-bottom: 0;
  white-space: nowrap;
}
.comparison-table tbody th::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 50%;
  left: 50%;
  width: 106px;
  height: 42px;
  background: #171717;
  border-radius: 999px;
  transform: translate(-50%, -50%);
}
.comparison-table tbody th { position: relative; z-index: 0; }
.comparison-table .featured { color: #111; background: #e9f6ff; font-weight: 700; }
.comparison-table thead .featured { color: var(--blue-deep); border-radius: 18px 18px 0 0; }
.comparison-table tbody tr:last-child .featured { border-radius: 0 0 18px 18px; }

.experience-section { background: #fff; }
.experience-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.experience-grid article {
  position: relative;
  min-height: 270px;
  display: grid;
  place-content: center;
  padding: 36px;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(rgba(0,0,0,.58),rgba(0,0,0,.58)), var(--bg) center/cover no-repeat;
  border-radius: 16px;
  text-align: center;
}
.experience-grid article[style*="background-image"] {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.experience-grid article[style*="--bg"] {
  background: linear-gradient(rgba(0,0,0,.58), rgba(0,0,0,.58)), var(--bg) center/cover no-repeat !important;
}
.experience-grid h3 { margin: 0 0 8px; font-size: 38px; }
.experience-grid p { margin: 0; font-size: 20px; }

.pdf-visual-section {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #f9f9f9;
}
.pdf-page-visual { width: 100%; height: 100%; object-fit: cover; }

.pricing-section { background: #fafafa; }
.plan-hint {
  margin: -18px 0 22px;
  color: #7a838b;
  text-align: left;
  font-size: 14px;
}
.plan-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
  overflow: visible;
  background: transparent;
}
.plan-tab {
  min-height: 66px;
  padding: 14px 20px;
  color: #68737d;
  background: #e8edf1;
  border: 1px solid #d8e0e6;
  border-radius: 13px;
  cursor: pointer;
  font: inherit;
  font-size: 20px;
  font-weight: 700;
  opacity: .72;
  transform: scale(.95);
  transition: background .22s ease, color .22s ease, transform .22s ease, opacity .22s ease, box-shadow .22s ease;
}
.plan-tab:last-child { border-right: 1px solid #d8e0e6; }
.plan-tab:hover { opacity: 1; transform: scale(.98); }
.plan-tab.active {
  z-index: 1;
  color: #fff;
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  box-shadow: 0 12px 28px rgba(0,143,221,.25);
  opacity: 1;
  transform: scale(1.04);
}
.plan-tab sup { font-size: 12px; }
.plan-panels {
  min-height: 500px;
  background: #fff;
  border: 1px solid #d9dee3;
  border-top: 0;
  border-radius: 0 0 12px 12px;
}
.plan-panel { display: grid; grid-template-columns: repeat(2, 1fr); }
.plan-panel[hidden] { display: none; }
.plan-panel > div {
  min-height: 112px;
  display: grid;
  grid-template-columns: minmax(150px, .7fr) 1.3fr;
  align-items: center;
  gap: 24px;
  padding: 22px 28px;
  border-right: 1px solid #e0e4e7;
  border-bottom: 1px solid #e0e4e7;
}
.plan-panel > div:nth-child(2n) { border-right: 0; }
.plan-panel > div:nth-last-child(-n+2) { border-bottom: 0; }
.plan-panel span { color: #111; font-weight: 700; }
.plan-panel strong { color: #626970; font-size: 18px; font-weight: 500; }
.plan-panel small { display: block; margin-top: 7px; color: #7e858c; font-weight: 400; }
.pricing-notes p::first-letter { color: var(--blue); }
.pricing-notes { display: flex; justify-content: flex-end; gap: 42px; margin-top: 24px; color: #666; font-size: 13px; }

.process-section-v10 { color: #fff; background: #111; }
.process-section-v10 .section-title { color: #fff; }
.process-grid-v10 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process-card-v10 {
  position: relative;
  min-height: 500px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: #2c2c2c;
  border: 0;
  border-radius: 14px;
  cursor: zoom-in;
  font: inherit;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.process-card-v10::after {
  content: "";
  position: absolute;
  z-index: 2;
  bottom: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  background-color: rgba(5,15,24,.82);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round'%3E%3Ccircle cx='10.5' cy='10.5' r='6.5'/%3E%3Cpath d='m15.4 15.4 4.6 4.6M10.5 7.5v6M7.5 10.5h6'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
  background-size: 23px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(0,0,0,.28);
  backdrop-filter: blur(7px);
  transition: transform .2s ease, background-color .2s ease;
}
.process-card-v10:hover { transform: translateY(-5px); box-shadow: 0 18px 38px rgba(0,0,0,.34); }
.process-card-v10:hover::after {
  transform: scale(1.08);
  background-color: var(--blue);
}
.process-image {
  height: 270px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 24px 22px 0;
  overflow: hidden;
  background: #292929;
}
.process-image img {
  width: 86%;
  height: auto;
  object-fit: contain;
  object-position: center top;
  transition: transform .35s ease;
}
.process-card-v10:hover .process-image img { transform: scale(1.035); }
.process-card-v10 b { margin: 28px 26px 0; color: var(--blue); font-size: 38px; line-height: 1; }
.process-card-v10 p { margin: 22px 26px 30px; color: #fff; font-size: 17px; line-height: 1.65; }

.safety-section-v10 { background: #f6f6f6; }
.safety-layout-v10 { display: grid; grid-template-columns: 1.2fr .9fr; gap: 28px; }
.safety-layout-v10 h3 { margin: 0 0 18px; font-size: 26px; }
.licence-card-v10,
.award-card-v10,
.honours-card-v10 {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(19,37,51,.04);
}
.licence-card-v10 {
  min-height: 480px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 28px 24px;
}
.licence-card-v10 figure { min-width: 0; display: flex; flex-direction: column; margin: 0; }
.licence-image {
  height: 330px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  background: #fafafa;
  border: 1px solid #e0e5e9;
}
.licence-image img { width: 100%; height: 100%; object-fit: contain; object-position: center top; }
.licence-card-v10 figcaption { margin-top: 18px; text-align: center; }
.licence-card-v10 figcaption strong,
.licence-card-v10 figcaption span { display: block; }
.licence-card-v10 figcaption strong { font-size: 17px; }
.licence-card-v10 figcaption span { margin-top: 5px; color: #717980; font-size: 14px; }
.award-card-v10 {
  min-height: 340px;
  display: grid;
  grid-template-columns: 190px 1fr;
  align-items: center;
  gap: 24px;
  padding: 26px;
}
.award-card-v10 img { width: 190px; height: 270px; object-fit: contain; }
.award-card-v10 h4 { margin: 0; font-size: 21px; }
.award-card-v10 p { margin: 12px 0 0; color: #737b82; }
.honours-card-v10 {
  min-height: 122px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 18px;
  margin-top: 18px;
  padding: 25px 22px;
}
.honours-card-v10 span { white-space: nowrap; font-weight: 700; }

.process-card {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 0;
  overflow: hidden;
  color: #fff;
  background: #2c2c2c;
  border: 0;
  border-radius: 12px;
  cursor: zoom-in;
  font: inherit;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.process-card:hover { transform: translateY(-4px); box-shadow: 0 18px 34px rgba(0,0,0,.28); }
.process-dialog {
  width: min(520px, calc(100% - 36px));
  max-height: 90vh;
  padding: 28px;
  color: #fff;
  background: #202020;
  border: 0;
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,.48);
}
.process-dialog::backdrop { background: rgba(0,0,0,.75); backdrop-filter: blur(5px); }
.dialog-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 38px;
  height: 38px;
  color: #fff;
  background: #353535;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 28px;
}
.dialog-step { color: var(--blue); font-size: 32px; font-weight: 700; }
.dialog-image { width: auto; max-width: 100%; max-height: 62vh; margin: 16px auto; object-fit: contain; }
.process-dialog p { margin: 8px 0 0; text-align: center; font-size: 18px; }
.register-dialog {
  width: min(450px, calc(100% - 36px));
  padding: 42px 42px 36px;
  color: var(--ink);
  background: #fff;
  border: 0;
  border-radius: 18px;
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
}
.register-dialog::backdrop { background: rgba(3,12,20,.72); backdrop-filter: blur(5px); }
.register-dialog-close {
  position: absolute;
  top: 13px;
  right: 15px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #26333d;
  background: #f0f3f5;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 27px;
  line-height: 1;
}
.register-dialog p { margin: 0 0 24px; text-align: center; font-size: 18px; font-weight: 700; }
.register-dialog img { width: min(290px, 100%); margin: 0 auto; }

.cooperation-hero h1 span {
  display: block;
  margin-top: clamp(38px, 5vw, 58px);
  color: #17b8f1;
  font-size: clamp(28px, 3.3vw, 48px);
  font-weight: 700;
  letter-spacing: -.03em;
}
.cooperation-hero .hero-actions { margin-top: clamp(48px, 5.5vw, 68px); }
.cooperation-hero .hero-action.primary {
  color: #fff;
  background: rgba(3, 12, 20, .18);
  border-color: #fff;
}
.cooperation-hero .hero-action.primary:hover { color: #07111a; background: #fff; }

.usage-section { background: #f7f9fb; }
.usage-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  max-width: 1080px;
  margin: 0 auto;
}
.usage-card {
  display: block;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  color: var(--ink);
  background: #e9f0f6;
  border: 0;
  border-radius: 28px;
  box-shadow: none;
  cursor: zoom-in;
  font: inherit;
  text-align: left;
  transition: transform .2s ease, box-shadow .2s ease;
}
.usage-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 52px rgba(14, 51, 73, .14);
}
.usage-media {
  height: 345px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
  padding: 42px 54px 0;
  background: #e9f0f6;
}
.usage-media img {
  width: auto;
  max-width: 100%;
  height: 430px;
  max-height: none;
  object-fit: contain;
  object-position: top center;
}
.usage-caption {
  width: 100%;
  min-height: 150px;
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 30px 32px;
  background: #fff;
}
.usage-step {
  color: #12ace8;
  font-size: 36px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
}
.usage-copy {
  display: grid;
  gap: 4px;
}
.usage-copy strong { font-size: 20px; line-height: 1.45; }
.usage-copy small { color: var(--ink); font-size: 17px; font-weight: 700; line-height: 1.45; }

.reveal-item {
  opacity: 0;
  transform: none;
  transition: opacity .9s linear;
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity;
}
.reveal-item.is-visible { opacity: 1; transform: none; }

.company-section { background: #f7f8fa; }
.lakala-card-row {
  display: grid;
  grid-template-columns: minmax(260px, .58fr) minmax(0, 1.42fr);
  gap: 24px;
}
.lakala-logo-card,
.lakala-copy-card,
.lakala-stats-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(19,37,51,.04);
}
.lakala-logo-card,
.lakala-copy-card {
  min-height: 160px;
  display: flex;
  align-items: center;
}
.lakala-logo-card { justify-content: center; padding: 30px; }
.lakala-logo-card img { width: 230px; max-height: 92px; object-fit: contain; }
.lakala-copy-card { padding: 34px 42px; }
.lakala-copy-card p { margin: 0; color: #59636c; font-size: 18px; line-height: 1.8; }
.lakala-stats-card {
  min-height: 350px;
  display: grid;
  grid-template-columns: 1.55fr .9fr;
  align-items: end;
  gap: 30px;
  margin-top: 24px;
  padding: 44px 0 0 44px;
  overflow: hidden;
}
.lakala-metrics {
  align-self: center;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px 34px;
  padding-bottom: 40px;
}
.lakala-metrics p { margin: 0; }
.metric-value {
  min-height: 58px;
  display: flex !important;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.lakala-metrics strong { color: var(--blue); font-size: 50px; line-height: 1; }
.lakala-metrics em { color: #111; font-size: 18px; font-style: normal; }
.lakala-metrics small { display: block; margin-top: 4px; color: #59636c; font-size: 15px; }
.lakala-stats-card > img { width: 100%; align-self: end; background: #fff; }
.skyee-company-section { background: #f9fafb; }
.world-map { width: 100%; margin: -28px auto 22px; }
.skyee-card-row {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(300px, .95fr);
  gap: 24px;
  align-items: stretch;
}
.skyee-intro-card,
.skyee-metrics-card {
  min-height: 176px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(19,37,51,.04);
}
.skyee-intro-card {
  display: grid;
  grid-template-columns: 165px 1fr;
  align-items: center;
  gap: 30px;
  padding: 28px 34px;
}
.skyee-intro-card > img {
  width: 145px;
  max-height: 112px;
  justify-self: center;
  object-fit: contain;
}
.skyee-intro-card p { margin: 6px 0; color: #606870; font-size: 14px; line-height: 1.75; }
.skyee-intro-card .skyee-lead { color: #101820; font-weight: 700; }
.skyee-metrics-card {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: 28px;
  padding: 28px 30px;
}
.skyee-metrics-card p {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 0;
}
.skyee-metrics-card .metric-value { width: 100%; min-height: 58px; }
.skyee-metrics-card .metric-value strong { color: var(--blue); font-size: 42px; line-height: 1; }
.skyee-metrics-card .metric-value em { color: #111; font-size: 18px; font-style: normal; }
.skyee-metrics-card .metric-label { display: block; margin-top: 8px; color: #222; font-size: 14px; }
.faq-section { background: #f7f8fa; }
.faq-grid { width: min(920px, 100%); display: grid; grid-template-columns: 1fr; gap: 14px; margin: 0 auto; }
.faq-grid details { padding: 0 26px; background: #fff; border: 1px solid #e1e5e9; border-radius: 12px; }
.faq-grid summary { position: relative; padding: 24px 44px 24px 0; cursor: pointer; list-style: none; font-weight: 700; }
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  color: var(--blue);
  font-size: 28px;
  font-weight: 400;
  transform: translateY(-50%);
}
.faq-grid details[open] summary::after { content: "−"; }
.faq-grid p { margin: 0; padding: 0 0 24px; color: var(--muted); }
.region-list { display: grid; gap: 8px; }
.region-list span { display: block; }
.region-list strong { color: #253442; }

.site-footer { padding: 64px 0; color: #fff; background: #07111a; }
.footer-inner {
  width: min(var(--container), calc(100% - 72px));
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}
.footer-logo { width: 280px; margin-bottom: 24px; }
.site-footer h2 { margin: 0; font-size: 34px; }
.site-footer p { margin: 8px 0 0; color: #aeb8c1; }
.site-footer figure { margin: 0; text-align: center; }
.site-footer figure img { width: 170px; padding: 8px; background: #fff; border-radius: 10px; }
.site-footer figcaption { margin-top: 8px; color: #b8c1c9; font-size: 13px; }

@media (min-width: 901px) {
  .profile-photo {
    min-height: 0;
    height: min(610px, calc(100svh - 230px));
  }
  .profile-card { padding: 24px 28px; }
  .profile-card h3 { margin-bottom: 16px; }
  .profile-card ul { font-size: 16px; }
  .feature-columns { gap: 24px; font-size: 15px; }

  .challenge-copy { padding-top: 48px; padding-bottom: 48px; }
  .challenge-visual { min-height: calc(100svh - 78px); }
  .challenge-block + .challenge-block { margin-top: 30px; }

  .why-section { min-height: calc(100svh - 78px); }
  .why-core { margin-bottom: 68px; padding: 38px 20px; }
  .why-grid { gap: 34px; }

  .comparison-table th,
  .comparison-table td { padding-top: 15px; padding-bottom: 15px; }
  .comparison-table thead th { font-size: 20px; }

  .experience-grid article { min-height: 225px; }

  .pdf-visual-section {
    min-height: 0;
    display: block;
  }
  .pdf-visual-section > .pdf-page-visual {
    width: 100%;
    max-width: none;
    height: 100%;
    object-fit: cover;
    margin: 0 auto;
  }
  .plan-tabs { margin-bottom: 14px; }
  .plan-tab { min-height: 56px; padding-block: 10px; font-size: 18px; }
  .plan-panels { min-height: 0; }
  .plan-panel > div { min-height: 78px; padding: 13px 24px; }
  .pricing-notes { margin-top: 14px; }

  .process-card-v10 { min-height: 425px; }
  .process-image { height: 220px; }
  .process-card-v10 b { margin-top: 22px; font-size: 32px; }
  .process-card-v10 p { margin-top: 16px; margin-bottom: 22px; font-size: 15px; }

  .lakala-logo-card,
  .lakala-copy-card { min-height: 125px; }
  .lakala-stats-card { min-height: 285px; margin-top: 18px; padding-top: 26px; }
  .lakala-metrics { gap: 28px 30px; padding-bottom: 22px; }
  .lakala-metrics strong { font-size: 42px; }

  .world-map { max-height: 305px; object-fit: contain; margin-top: -18px; }
  .skyee-intro-card,
  .skyee-metrics-card { min-height: 145px; }

  .licence-card-v10 { min-height: 405px; padding-block: 22px; }
  .licence-image { height: 260px; }
  .award-card-v10 { min-height: 265px; }
  .award-card-v10 img { height: 210px; }

  .faq-grid { gap: 10px; }
  .faq-grid summary { padding-top: 17px; padding-bottom: 17px; }
  .faq-grid p { padding-bottom: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-item { opacity: 1; transform: none; transition: none; }
}

@media (max-width: 900px) {
  html { scroll-snap-type: none; scroll-padding-top: 66px; }
  .container, .footer-inner { width: min(100% - 36px, var(--container)); }
  .section { min-height: auto; padding: 68px 0; scroll-snap-stop: normal; }
  .site-header { height: 66px; }
  .nav-wrap { width: calc(100% - 32px); }
  .brand img { width: 158px; }
  .menu-toggle { display: block; padding: 6px 10px; background: #fff; border: 1px solid #ccd3d9; border-radius: 6px; }
  .main-nav {
    position: absolute;
    top: 66px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: #fff;
    box-shadow: 0 18px 30px rgba(0,0,0,.08);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; }
  .login-link { border: 0; }
  .hero { min-height: 600px; }
  .hero-logo { top: 26px; left: 24px; }
  .hero-logo img { width: 210px; }
  .hero-content { padding-inline: 24px; }
  .profile-layout, .challenge-section { grid-template-columns: 1fr; }
  .profile-photo { min-height: 360px; }
  .challenge-copy { padding: 68px 24px; }
  .challenge-visual { min-height: 480px; }
  .process-grid-v10 { grid-template-columns: repeat(2,1fr); }
  .usage-grid { grid-template-columns: 1fr; max-width: 560px; }
  .safety-layout-v10 { grid-template-columns: 1fr; }
  .lakala-card-row { grid-template-columns: 1fr 1.8fr; }
  .lakala-stats-card { grid-template-columns: 1.35fr .85fr; padding-left: 30px; }
  .lakala-metrics { gap: 34px 20px; }
  .lakala-metrics strong { font-size: 42px; }
  .skyee-card-row { grid-template-columns: 1fr; }
  .pdf-visual-section { overflow: hidden; }
  .pdf-visual-section > .pdf-page-visual { min-width: 0; }
}

@media (max-width: 620px) {
  .section-title { margin-bottom: 38px; }
  .profile-content, .feature-columns, .why-grid, .experience-grid, .faq-grid { grid-template-columns: 1fr; }
  .profile-wide { grid-column: auto; }
  .profile-card { padding: 26px 24px; }
  .why-core { margin-bottom: 58px; }
  .why-grid { gap: 36px; }
  .why-grid::before, .why-grid article::before { display: none; }
  .experience-grid article { min-height: 220px; }
  .process-card { min-height: 390px; }
  .process-grid-v10 { grid-template-columns: 1fr; }
  .process-card-v10 { min-height: 470px; }
  .usage-card { min-height: 0; }
  .usage-media { height: 285px; padding: 30px 34px 0; }
  .usage-media img { height: 390px; max-height: none; }
  .usage-caption { min-height: 132px; grid-template-columns: 58px minmax(0, 1fr); padding: 24px 20px; }
  .usage-step { font-size: 30px; }
  .usage-copy strong { font-size: 18px; }
  .usage-copy small { font-size: 15px; }
  .plan-tabs { grid-template-columns: repeat(3, minmax(132px, 1fr)); overflow-x: auto; padding: 10px 6px 14px; }
  .plan-tab { min-height: 54px; }
  .plan-panel { grid-template-columns: 1fr; }
  .plan-panel > div { grid-template-columns: 1fr; gap: 6px; border-right: 0; }
  .plan-panel > div:nth-last-child(-n+2) { border-bottom: 1px solid #e0e4e7; }
  .plan-panel > div:last-child { border-bottom: 0; }
  .lakala-card-row,
  .lakala-stats-card { grid-template-columns: 1fr; }
  .lakala-stats-card { padding: 30px 24px 0; }
  .lakala-metrics { grid-template-columns: repeat(2, 1fr); padding-bottom: 16px; }
  .lakala-stats-card > img { width: min(500px, 100%); margin-left: auto; }
  .skyee-intro-card { grid-template-columns: 1fr; text-align: left; }
  .skyee-intro-card > img { justify-self: start; }
  .skyee-metrics-card strong { font-size: 38px; }
  .pricing-notes { flex-direction: column; gap: 4px; }
  .licence-card-v10 { grid-template-columns: 1fr; }
  .licence-image { height: 420px; }
  .award-card-v10 { grid-template-columns: 130px 1fr; }
  .award-card-v10 img { width: 130px; height: 210px; }
  .honours-card-v10 { grid-template-columns: 1fr; }
  .honours-card-v10 span { white-space: normal; }
  .hero-actions { gap: 14px; margin-top: 34px; }
  .hero-action { min-width: 126px; padding-inline: 18px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* 秘书公司合作页 */
.main-nav a.active { color: var(--blue); }
.partner-free-fee {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.partner-free-fee s { color: #7f8991; font-weight: 500; }
.partner-free-fee sup { color: var(--blue); }
.partner-plan-section { background: #f7f8fa; }
.cooperation-page > main > .cooperation-hero,
.cooperation-page > main > .profile-section,
.cooperation-page > main > .challenge-section,
.cooperation-page > main > .why-section,
.cooperation-page > main > .comparison-section,
.cooperation-page > main > .experience-section,
.cooperation-page > main > .pdf-visual-section,
.cooperation-page > main > .pricing-section {
  display: none;
}
.partner-plan-section .section-title span { color: var(--blue); }
.partner-plan-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 1fr);
  gap: 28px;
}
.partner-plan-left { display: grid; gap: 22px; }
.partner-plan-card,
.partner-benefits-card {
  min-height: 190px;
  padding: 34px 38px;
  background: #fff;
  border: 1px solid #edf0f2;
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(15,31,43,.045);
}
.partner-plan-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 24px;
  align-items: center;
}
.partner-plan-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: #17232d;
  background: #eff3f5;
  border-radius: 12px;
  font-size: 25px;
}
.partner-plan-card h3,
.partner-benefits-card h3 { margin: 0 0 16px; font-size: 22px; }
.partner-plan-card p { margin: 0; color: var(--muted); line-height: 1.8; }
.partner-benefits-card {
  min-height: 402px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.partner-benefits-card ul {
  display: grid;
  gap: 20px;
  margin: 14px 0 0;
  padding-left: 24px;
  line-height: 1.7;
}
.partner-benefits-card li::marker { color: var(--blue); }
.partner-plan-note {
  margin: 18px 0 0;
  color: #8a949c;
  font-size: 12px;
  text-align: right;
}
.partner-process-section .process-image img {
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top center;
}

@media (max-width: 900px) {
  .partner-plan-layout { grid-template-columns: 1fr; }
  .partner-benefits-card { min-height: 0; }
  .partner-plan-note { text-align: left; }
}

@media (max-width: 560px) {
  .partner-plan-card,
  .partner-benefits-card { padding: 26px 22px; }
  .partner-plan-card {
    grid-template-columns: 42px 1fr;
    gap: 16px;
  }
  .partner-plan-icon { width: 42px; height: 42px; }
}