:root {
  --ink: #102a25;
  --muted: #607069;
  --paper: #f7f4ed;
  --white: #fff;
  --line: rgba(16, 42, 37, 0.16);
  --accent: #b42328;
  --accent2: #d6a743;
  --deep: #172623;
  --tint: #efe9dc;
  --shadow: 0 20px 50px rgba(16, 42, 37, 0.12);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: inherit;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}
body[data-theme="ai"] {
  --accent: #36d7ff;
  --accent2: #7c5cff;
  --deep: #071624;
  --tint: #e9f7fb;
  --paper: #f3f7f8;
  --ink: #0b2731;
}
body[data-theme="map"] {
  --accent: #d46a2f;
  --accent2: #0f6e69;
  --deep: #103f3c;
  --tint: #e8f1e5;
  --paper: #f5f1e7;
  --ink: #173d39;
}
body[data-theme="eco"] {
  --accent: #237a57;
  --accent2: #d59642;
  --deep: #173c2e;
  --tint: #e7f1e9;
  --paper: #f7f5eb;
  --ink: #17392d;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
button {
  font: inherit;
}
.container {
  width: min(1160px, calc(100% - 48px));
  margin: auto;
}
.content-narrow {
  width: min(900px, calc(100% - 48px));
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 237, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
[data-theme="ai"] .site-header {
  background: rgba(243, 247, 248, 0.94);
}
.nav-shell {
  height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-logo {
  width: 54px;
  height: 54px;
  background: transparent;
  border: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-logo img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  max-height: 100%;
}
[data-theme="ai"] .brand-logo {
  width: 66px;
  height: 62px;
  border: 0;
  background: transparent;
}
[data-theme="ai"] .brand-logo img {
  transform: scale(1.12);
}
.brand strong {
  display: block;
  font-size: 17px;
  line-height: 1.25;
}
.brand small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 700;
}
.main-nav a {
  position: relative;
  white-space: nowrap;
}
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -9px;
  height: 2px;
  background: var(--accent);
  transition: 0.25s;
}
.main-nav a:hover::after,
.main-nav a.active::after {
  right: 0;
}
.nav-cta {
  padding: 12px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 2px;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 28%, transparent);
}
[data-theme="ai"] .nav-cta {
  color: #041720;
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
}
.hero {
  position: relative;
  overflow: hidden;
  padding: 0;
  background-image:
    linear-gradient(
      90deg,
      rgba(5, 32, 29, 0.42),
      rgba(5, 32, 29, 0.12) 65%,
      transparent
    ),
    url("map-landscape.webp");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.2));
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: 640px;
  padding-block: 60px;
}
.hero-copy {
  max-width: 740px;
  padding: 0;
  border-left: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  text-shadow: none;
}
.eyebrow {
  margin: 0 0 17px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.hero-badge {
  margin: 0 0 17px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
}
.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(38px, 4.8vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.whitelist-number {
  display: block;
  margin-bottom: 12px;
  color: var(--accent);
  font-size: 0.25em;
  line-height: 1.2;
  letter-spacing: 0.13em;
}
.event-title-line {
  display: block;
  white-space: nowrap;
}
.hero-edition {
  margin: 24px 0 12px;
  font-size: 21px;
  font-weight: 800;
}
.hero-edition span {
  display: inline-block;
  margin-left: 10px;
  padding: 5px 9px;
  background: #e9bd82;
  color: #173d39;
  font-size: 28px;
  vertical-align: 3px;
}
.hero-intro {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 31px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 23px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 14px;
  transition: 0.25s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 24%, transparent);
}
[data-theme="ai"] .button-primary {
  color: #05151e;
}
.button-ghost {
  border-color: var(--ink);
  background: transparent;
}
.hero .button-ghost {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.12);
  color: #fff;
}
.button-outline {
  margin-top: 32px;
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}
.button-light {
  background: #fff;
  color: var(--deep);
}
.hero-note {
  margin: 25px 0 0;
  padding-left: 19px;
  border-left: 3px solid var(--accent2);
  font-weight: 700;
}
.fact-strip {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  color: var(--ink);
}
.fact-strip > div {
  position: relative;
  min-height: 112px;
  padding: 23px 20px 20px 52px;
  border-right: 1px solid var(--line);
}
.fact-strip > div:last-child {
  border: 0;
}
.fact-strip span {
  position: absolute;
  left: 18px;
  top: 25px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}
.fact-strip small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}
.fact-strip strong {
  display: block;
  margin-top: 6px;
  font-size: 16px;
}
.section {
  padding: 56px 0;
}
.section-paper {
  background: var(--paper);
}
.hero + .section {
  padding-top: 56px;
}
.section-tint {
  background: var(--tint);
}
.section-dark {
  background: var(--deep);
  color: #fff;
}
.section-head {
  display: block;
  margin-bottom: 32px;
}
.section-head h2 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(30px, 3.8vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.section-head > p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
}
.section-dark .section-head > p {
  color: rgba(255, 255, 255, 0.66);
}
.authority-layout {
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.authority-main {
  position: relative;
  padding: 40px 70px 40px 0;
}
.authority-main .chapter-mark {
  position: absolute;
  right: 35px;
  top: 18px;
  margin: 0;
  color: color-mix(in srgb, var(--accent) 18%, transparent);
  font-size: 96px;
  font-weight: 900;
}
.authority-main h3 {
  margin: 0 0 12px;
  font-size: 17px;
}
.authority-name {
  margin: 0 0 18px !important;
  color: var(--accent);
  font-size: 31px !important;
  font-weight: 900;
}
.authority-main p {
  max-width: 560px;
  color: var(--muted);
}
.text-link {
  display: inline-block;
  margin-top: 12px;
  font-weight: 800;
  border-bottom: 1px solid var(--accent);
}
.track-grid {
  display: grid;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.track-grid.count-2 {
  grid-template-columns: repeat(2, 1fr);
}
.track-grid.count-4 {
  grid-template-columns: repeat(4, 1fr);
}
.track-grid article {
  min-height: 218px;
  padding: 26px 24px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.28);
}
.track-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}
.track-grid h3 {
  margin: 32px 0 11px;
  font-size: 22px;
}
.track-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.participation-guide {
  margin-top: 46px;
  padding-top: 38px;
  border-top: 1px solid var(--ink);
}
.subsection-head {
  display: block;
  margin-bottom: 22px;
}
.subsection-head .eyebrow {
  margin: 0 0 10px;
}
.subsection-head h3 {
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.035em;
}
.project-compare {
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.25);
}
.project-compare-head,
.project-compare-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1.2fr 1.45fr;
}
.project-compare-head {
  background: var(--deep);
  color: #fff;
}
.project-compare-head b,
.project-compare-row span {
  padding: 14px 16px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
}
.project-compare-head b {
  border-color: rgba(255, 255, 255, 0.22);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.project-compare-row span:first-child {
  font-weight: 900;
  color: var(--ink);
}
.project-compare-row span {
  color: var(--muted);
}
.entry-support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}
.entry-support-card {
  padding: 26px 28px;
  border: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.38);
}
.entry-support-card .eyebrow {
  margin-bottom: 10px;
}
.entry-support-card h3 {
  margin: 0 0 18px;
  font-size: 26px;
}
.entry-support-card ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.entry-support-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}
.entry-support-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--accent);
}
.entry-support-card dl {
  margin: 0;
}
.entry-support-card dl div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.entry-support-card dt {
  font-weight: 900;
}
.entry-support-card dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.inline-link {
  margin-top: 22px;
  text-align: right;
  font-weight: 800;
}
.schedule-preview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.32);
}
.schedule-preview article {
  padding: 30px 24px 12px 0;
}
.schedule-preview span {
  display: block;
  color: var(--accent2);
  font-size: 12px;
  font-weight: 900;
}
.schedule-preview time {
  display: block;
  margin: 25px 0 14px;
  color: #fff;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.035em;
}
.schedule-preview h3 {
  margin: 0 0 10px;
  font-size: 19px;
}
.schedule-preview p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}
.decision-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.decision-grid a {
  min-height: 164px;
  padding: 22px;
  border: 1px solid var(--line);
  background: #fff;
  transition: 0.25s;
}
.decision-grid a:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.decision-grid span {
  display: inline-grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--tint);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}
.decision-grid h3 {
  margin: 24px 0 7px;
}
.decision-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.cta-band {
  padding: 46px 0;
  background: var(--deep);
  color: #fff;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-inner .eyebrow {
  color: #fff;
}
.cta-inner h2 {
  margin: 0 0 8px;
  font-size: 36px;
  line-height: 1.2;
}
.cta-inner p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 68px 0 60px;
  background: var(--deep);
  color: #fff;
}
.page-hero::after {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  right: -100px;
  top: -250px;
  border: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
  border-radius: 50%;
  box-shadow:
    0 0 0 48px color-mix(in srgb, var(--accent) 8%, transparent),
    0 0 0 96px color-mix(in srgb, var(--accent) 5%, transparent);
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(38px, 4.6vw, 60px);
  line-height: 1.15;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.page-title-line {
  display: block;
}
.page-hero p:last-child {
  max-width: 720px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.68);
}
.guide-steps .section-head h2 {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(30px, 3.2vw, 44px);
}
.step-list {
  border-top: 1px solid var(--ink);
}
.step-list article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.step-list b {
  color: var(--accent);
  font-size: 28px;
}
.step-list h3 {
  margin: 0 0 6px;
  font-size: 20px;
}
.step-list p {
  margin: 0;
  color: var(--muted);
}
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.check-grid div {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: rgba(255, 255, 255, 0.34);
}
.check-grid span {
  color: var(--accent);
  font-weight: 900;
}
.check-grid p {
  margin: 0;
}
.service-fee {
  padding: 28px;
  border: 1px solid var(--ink);
  border-top: 6px solid var(--accent);
  background: #fff;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.service-grid article {
  padding: 22px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.service-grid b {
  color: var(--accent);
  font-size: 12px;
}
.service-grid h3 {
  margin: 20px 0 8px;
  font-size: 18px;
}
.service-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.status-panel {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 24px;
  margin-bottom: 34px;
  padding: 22px 26px;
  border-left: 6px solid var(--accent);
  background: var(--tint);
}
.status-panel span {
  font-size: 12px;
  font-weight: 900;
}
.status-panel strong {
  font-size: 28px;
}
.status-panel p {
  grid-column: 2;
  margin: 0;
  color: var(--muted);
}
.timeline-list {
  border-top: 1px solid var(--ink);
}
.timeline-list article {
  display: grid;
  grid-template-columns: 70px 220px 1fr;
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.timeline-index {
  color: color-mix(in srgb, var(--accent) 50%, transparent);
  font-size: 36px;
  font-weight: 900;
}
.timeline-list time {
  padding-top: 2px;
  color: var(--accent2);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: -0.035em;
}
.timeline-list h2 {
  margin: 0 0 7px;
  font-size: 22px;
}
.timeline-list p {
  margin: 0;
  color: var(--muted);
}
.requirement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.requirement-grid article {
  min-height: 196px;
  padding: 25px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.requirement-grid span {
  color: var(--accent);
  font-weight: 900;
}
.requirement-grid h2 {
  margin: 28px 0 10px;
  font-size: 22px;
}
.requirement-grid p {
  margin: 0;
  color: var(--muted);
}
.principle-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.25);
}
.principle-list div {
  padding: 23px;
  background: var(--deep);
}
.principle-list b {
  color: var(--accent2);
  font-size: 20px;
}
.principle-list p {
  color: rgba(255, 255, 255, 0.66);
}
.prepare-order {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  counter-reset: item;
}
.prepare-order li {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}
.prepare-order b {
  font-size: 18px;
}
.prepare-order span {
  color: var(--muted);
}
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 42px;
  align-items: start;
}
.faq-list {
  border-top: 1px solid var(--ink);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 23px 0;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary span {
  color: var(--accent);
  font-size: 12px;
}
.faq-list summary b {
  font-size: 22px;
  transition: 0.2s;
}
.faq-list details[open] summary b {
  transform: rotate(45deg);
}
.faq-list details p {
  margin: -6px 0 25px;
  padding-left: 70px;
  color: var(--muted);
}
.faq-aside {
  position: sticky;
  top: 102px;
  padding: 26px;
  background: var(--deep);
  color: #fff;
  box-shadow: 12px 12px 0 var(--accent2);
}
.faq-aside h2 {
  font-size: 26px;
  line-height: 1.35;
}
.faq-aside p,
.faq-aside small {
  color: rgba(255, 255, 255, 0.68);
}
.faq-aside hr {
  margin: 26px 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}
.event-file {
  padding: 58px 0 64px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.event-file-head {
  width: min(900px, 100%);
  margin: 0 auto 28px;
}
.event-file-head h2 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(28px, 3.1vw, 42px);
  line-height: 1.22;
  letter-spacing: -0.035em;
  text-wrap: balance;
}
.event-file-meta {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}
.event-file-preview {
  width: min(720px, 100%);
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: var(--shadow);
}
.event-file-preview img {
  display: block;
  width: 100%;
  height: auto;
}
.event-file-preview.first-page {
  aspect-ratio: 755/1042;
}
.site-footer {
  padding: 46px 0 22px;
  background: #0c1715;
  color: #fff;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.7fr 1fr;
  gap: 40px;
}
.footer-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}
.footer-name {
  margin-bottom: 10px !important;
  color: #fff !important;
  font-size: 19px !important;
  font-weight: 900;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  font-size: 13px;
}
.footer-grid a {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.4);
  font-size: 11px;
}
.mobile-contact {
  display: none;
  height: auto;
  min-height: 76px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  left: 0;
  right: 0;
  bottom: 0;
  background: #fff;
  border-top: 1px solid var(--line);
  box-shadow: none;
}
@media (max-width: 1180px) {
  .container,
  .content-narrow {
    width: min(100% - 32px, 1160px);
  }
  .nav-shell {
    height: 68px;
    gap: 18px;
  }
  .brand strong {
    font-size: 15px;
  }
  .brand small {
    display: none;
  }
  .brand-logo {
    width: 54px;
    height: 54px;
    background: transparent;
    border: 0;
    flex-shrink: 0;
  }
  .nav-toggle {
    display: grid;
    grid-template-columns: 20px auto;
    gap: 4px 8px;
    align-items: center;
  }
  .nav-toggle span {
    grid-column: 1;
    display: block;
    width: 20px;
    height: 2px;
    background: var(--ink);
  }
  .nav-toggle b {
    grid-column: 2;
    grid-row: 1/4;
    font-size: 12px;
  }
  .main-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 69px;
    display: none;
    padding: 16px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }
  .main-nav.open {
    display: flex;
  }
  .main-nav a {
    padding: 13px 10px;
    border-bottom: 1px solid var(--line);
  }
  .main-nav a::after {
    display: none;
  }
  .nav-cta {
    text-align: center;
    margin-top: 8px;
  }
  .hero {
    padding: 0;
    background-image:
      linear-gradient(
        90deg,
        rgba(5, 32, 29, 0.42),
        rgba(5, 32, 29, 0.12) 65%,
        transparent
      ),
      url("map-landscape.webp");
    background-position: center;
  }
  .hero-grid {
    min-height: 640px;
    padding-block: 60px;
  }
  .hero-copy {
    max-width: 740px;
    padding: 0;
    background: transparent;
    border-left: 0;
    box-shadow: none;
    backdrop-filter: none;
    text-shadow: none;
  }
  .fact-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .fact-strip > div:nth-child(2) {
    border-right: 0;
  }
  .fact-strip > div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
  .section {
    padding: 56px 0;
  }
  .hero + .section {
    padding-top: 56px;
  }
  .section-head {
    margin-bottom: 28px;
  }
  .authority-main {
    padding-right: 20px;
  }
  .track-grid.count-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-compare-head b,
  .project-compare-row span {
    padding: 12px 10px;
    font-size: 12px;
  }
  .entry-support-card ul {
    grid-template-columns: 1fr;
  }
  .schedule-preview,
  .decision-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .schedule-preview article {
    padding-right: 16px;
  }
  .cta-inner {
    align-items: flex-start;
    flex-direction: column;
    flex-wrap: wrap;
    gap: 28px;
  }
  .timeline-list article {
    grid-template-columns: 55px 190px 1fr;
  }
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .faq-aside {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid > div:first-child {
    grid-column: 1/-1;
  }
}
@media (max-width: 640px) {
  body {
    padding-bottom: 66px;
    font-size: 17px;
  }
  .hero h1 {
    font-size: 40px;
    letter-spacing: -0.025em;
  }
  .event-title-line {
    white-space: normal;
  }
  .hero-edition {
    font-size: 17px;
  }
  .hero-edition span {
    display: block;
    width: max-content;
    margin: 8px 0 0;
    background: #e9bd82;
    color: #173d39;
    font-size: 28px;
  }
  .hero-intro {
    font-size: 17px;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    flex-wrap: wrap;
  }
  .fact-strip {
    grid-template-columns: 1fr;
  }
  .fact-strip > div {
    min-height: 85px;
    padding-top: 17px;
    padding-bottom: 15px;
    border-right: 0;
    border-bottom: 1px solid var(--line) !important;
  }
  .section {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 34px;
  }
  .guide-steps .section-head h2 {
    white-space: normal;
    font-size: 34px;
  }
  .track-grid.count-2,
  .track-grid.count-4,
  .schedule-preview,
  .decision-grid,
  .service-grid,
  .requirement-grid,
  .principle-list {
    grid-template-columns: 1fr;
  }
  .track-grid article {
    min-height: 0;
  }
  .track-grid h3 {
    margin-top: 26px;
  }
  .participation-guide {
    margin-top: 36px;
    padding-top: 30px;
  }
  .subsection-head h3 {
    font-size: 29px;
  }
  .project-compare-head {
    display: none;
  }
  .project-compare-row {
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--ink);
  }
  .project-compare-row span {
    min-height: 74px;
    padding: 12px 13px;
    border-bottom: 0;
    font-size: 13px;
  }
  .project-compare-row span::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.05em;
  }
  .project-compare-row span:last-child {
    grid-column: 1/-1;
    border-top: 1px solid var(--line);
  }
  .entry-support-grid {
    grid-template-columns: 1fr;
  }
  .entry-support-card {
    padding: 22px;
  }
  .entry-support-card dl div {
    grid-template-columns: 90px 1fr;
    gap: 12px;
  }
  .authority-main {
    padding: 30px 10px 30px 0;
  }
  .authority-main .chapter-mark {
    font-size: 68px;
  }
  .authority-name {
    font-size: 25px !important;
  }
  .schedule-preview {
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .schedule-preview article {
    padding: 22px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }
  .schedule-preview p,
  .decision-grid p {
    font-size: 14px;
  }
  .cta-inner h2 {
    font-size: 29px;
  }
  .page-hero {
    padding: 50px 0;
  }
  .page-hero h1 {
    font-size: 38px;
  }
  .step-list article {
    grid-template-columns: 52px 1fr;
  }
  .check-grid {
    grid-template-columns: 1fr;
  }
  .service-fee {
    padding: 24px;
  }
  .timeline-list article {
    grid-template-columns: 46px 1fr;
    gap: 14px;
  }
  .timeline-list time {
    grid-column: 2;
    font-size: 28px;
    color: var(--accent2);
    line-height: 1.4;
  }
  .timeline-list article > div:last-child {
    grid-column: 2;
  }
  .prepare-order li {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .faq-list summary {
    grid-template-columns: 42px 1fr auto;
  }
  .faq-list details p {
    padding-left: 0;
  }
  .event-file {
    padding: 36px 0;
  }
  .event-file-head {
    margin-bottom: 22px;
  }
  .event-file-head h2 {
    font-size: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-grid > div:first-child {
    grid-column: auto;
  }
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }
  .mobile-contact {
    display: flex;
    position: fixed;
    z-index: 60;
    left: 0;
    right: 0;
    bottom: 0;
    height: auto;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #fff;
    font-weight: 900;
    box-shadow: none;
    min-height: 76px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button,
  .decision-grid a {
    transition: none;
  }
}