:root {
  --blue: #0956c7;
  --blue-dark: #003d9c;
  --green: #279448;
  --teal: #10a6aa;
  --orange: #f29b18;
  --text: #162033;
  --muted: #5e6a7d;
  --line: #dfe7f3;
  --bg: #f4f8fd;
  --shadow: 0 12px 30px rgba(20, 62, 120, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: var(--bg);
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 78px;
  padding: 0 36px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 18px rgba(40, 72, 110, 0.06);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: #0545aa;
  font-size: 24px;
  font-weight: 800;
  white-space: nowrap;
}

.brand span:last-child,
.hero h1,
.hero p {
  min-width: 0;
  overflow-wrap: anywhere;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--green);
  font-size: 18px;
  border: 3px solid #0f4da8;
  border-radius: 50%;
  background: #fff;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 15px;
  white-space: nowrap;
}

.nav a {
  position: relative;
  padding: 29px 0 25px;
}

.nav a.active,
.nav a:hover {
  color: var(--blue);
  font-weight: 700;
}

.nav a.active::after,
.nav a:hover::after {
  position: absolute;
  right: 0;
  bottom: 16px;
  left: 0;
  height: 3px;
  background: var(--blue);
  border-radius: 3px;
  content: "";
}

.search {
  display: flex;
  align-items: center;
  width: 210px;
  height: 40px;
  padding: 0 8px 0 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #fff;
}

.search input {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  font-size: 14px;
}

.search button,
.nav-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle {
  display: none;
  width: 34px;
  height: 34px;
  color: #0f4da8;
  font-size: 0;
  font-weight: 800;
}

.mobile-menu-label {
  display: none;
}

  .nav-toggle::before {
  display: block;
  width: 22px;
  height: 16px;
  background:
    linear-gradient(#0f4da8, #0f4da8) 0 0 / 100% 2px no-repeat,
    linear-gradient(#0f4da8, #0f4da8) 0 7px / 100% 2px no-repeat,
    linear-gradient(#0f4da8, #0f4da8) 0 14px / 100% 2px no-repeat;
  content: "";
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto;
  gap: 32px;
  align-items: center;
  min-height: 300px;
  padding: 56px 70px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 71, 170, 0.94) 0%, rgba(0, 86, 184, 0.72) 34%, rgba(0, 86, 184, 0.08) 70%),
    url("assets/hero-potato-fields.png") center / cover;
}

.hero-copy {
  position: relative;
  color: #fff;
  min-width: 0;
  max-width: 100%;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.2;
}

.hero p {
  margin: 0 0 28px;
  font-size: 20px;
  font-weight: 600;
}

.primary-btn,
.light-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 24px;
  border-radius: 5px;
  font-weight: 700;
}

.primary-btn {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: rgba(8, 86, 205, 0.62);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 150px);
  gap: 20px;
}

.hero-stats article {
  display: grid;
  justify-items: center;
  gap: 8px;
  min-height: 138px;
  padding: 20px 12px;
  background: rgba(255, 255, 255, 0.93);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.stat-icon,
.feature-icon,
.policy-icon {
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
}

.stat-icon {
  width: 46px;
  height: 46px;
  font-size: 22px;
  background: #eaf2ff;
}

.stat-icon.green {
  color: var(--green);
  background: #eaf8ee;
}

.stat-icon.orange {
  color: var(--orange);
  background: #fff4df;
}

.hero-stats strong {
  color: var(--blue);
  font-size: 32px;
  line-height: 1;
}

.hero-stats article:nth-child(1) strong {
  color: var(--green);
}

.hero-stats article:nth-child(2) strong {
  color: var(--orange);
}

.hero-stats small {
  color: #303948;
  font-weight: 700;
}

main > section:not(.hero) {
  width: min(1280px, calc(100% - 64px));
  margin-right: auto;
  margin-left: auto;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 20px;
}

.feature-card,
.policy-grid article,
.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.feature-card {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 20px;
  padding: 24px;
}

.feature-icon {
  width: 56px;
  height: 56px;
  color: #fff;
  font-size: 22px;
}

.green {
  background-color: var(--green);
}

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

.teal {
  background-color: var(--teal);
}

.feature-card h2,
.policy-grid h2,
.panel h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.feature-card p,
.policy-grid p,
.panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.ghost-btn {
  min-height: 34px;
  margin-top: 12px;
  padding: 0 14px;
  color: var(--blue);
  border: 1px solid currentColor;
  background: #fff;
  font-size: 14px;
}

.ghost-btn.green {
  color: var(--green);
  background: #fff;
}

.ghost-btn.teal {
  color: var(--teal);
  background: #fff;
}

.database-banner {
  display: flex;
  justify-content: space-between;
  min-height: 140px;
  margin-top: 22px;
  padding: 28px 34px;
  color: #fff;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 40%, rgba(63, 183, 255, 0.55), transparent 18%),
    linear-gradient(135deg, #003c9c, #0065c8 48%, #003b92);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.database-banner h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.database-banner p {
  max-width: 720px;
  margin: 0 0 18px;
}

.database-banner > span {
  align-self: start;
  padding: 8px 16px;
  border-radius: 18px;
  background: rgba(0, 24, 70, 0.45);
  font-size: 14px;
}

.light-btn {
  color: var(--blue);
  background: #fff;
}

.content-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr 1fr;
  gap: 22px;
  margin-top: 22px;
}

.panel {
  padding: 0;
  overflow: hidden;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 12px;
}

.panel .section-title,
.panel > p {
  padding-right: 18px;
  padding-left: 18px;
}

.panel .section-title {
  padding-top: 18px;
}

.section-title a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.link-button {
  color: var(--blue);
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.video-box {
  position: relative;
  display: grid;
  place-items: center;
  height: 220px;
  margin: 0 18px 12px;
  color: #fff;
  background:
    linear-gradient(rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.35)),
    url("assets/hero-potato-fields.png") center / cover;
  border-radius: 6px;
}

.video-box button {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.35);
  cursor: pointer;
}

.video-box span {
  position: absolute;
  bottom: 10px;
  left: 14px;
  font-size: 13px;
}

.scroll-panel {
  min-height: 350px;
}

.expert-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 18px 12px;
}

.expert-tabs button {
  min-height: 32px;
  padding: 0 12px;
  color: #34506f;
  border: 1px solid #d6e3f4;
  border-radius: 5px;
  background: #f7fbff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
}

.expert-tabs button.active,
.expert-tabs button:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.scroll-window {
  position: relative;
  height: 278px;
  margin: 0 18px 18px;
  overflow: hidden;
}

.scroll-window::before,
.scroll-window::after {
  position: absolute;
  right: 0;
  left: 0;
  z-index: 2;
  height: 28px;
  pointer-events: none;
  content: "";
}

.scroll-window::before {
  top: 0;
  background: linear-gradient(#fff, rgba(255, 255, 255, 0));
}

.scroll-window::after {
  bottom: 0;
  background: linear-gradient(rgba(255, 255, 255, 0), #fff);
}

.scroll-track {
  display: grid;
  gap: 12px;
  animation: scrollUp 22s linear infinite;
}

.scroll-window:hover .scroll-track {
  animation-play-state: paused;
}

.result-card,
.expert-card {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.07);
}

.result-card h3,
.expert-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.4;
}

.result-card p,
.expert-card p,
.expert-card small {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.card-meta {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 8px;
  padding: 0 9px;
  color: var(--blue);
  border-radius: 4px;
  background: #eaf3ff;
  font-size: 12px;
  font-weight: 700;
}

.expert-card {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  align-items: center;
}

.expert-card p {
  margin-bottom: 4px;
}

.expert-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
}

.expert-modal.open {
  display: block;
}

.expert-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 28, 55, 0.48);
}

.expert-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1080px, calc(100vw - 48px));
  max-height: min(820px, calc(100vh - 48px));
  padding: 24px;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.database-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(620px, calc(100vw - 48px));
  padding: 24px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.expert-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.modal-eyebrow {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 0 10px;
  color: var(--blue);
  background: #eaf3ff;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
}

.expert-modal-header h2 {
  margin: 10px 0 0;
  font-size: 24px;
}

.modal-close {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #31415a;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.database-login-box {
  display: grid;
  gap: 12px;
  padding: 18px 0 16px;
}

.database-login-box div {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7fbff;
}

.database-login-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.database-login-box strong,
.database-login-box a {
  color: #0a4fb8;
  font-size: 18px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.database-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 5px;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.primary-action {
  color: #fff;
  background: var(--blue);
}

.secondary-action {
  color: var(--blue);
  border: 1px solid var(--blue);
  background: #fff;
}

.database-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.expert-modal-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 16px 0;
}

.summary-card {
  min-height: 76px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f7fbff;
}

.summary-card strong {
  display: block;
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}

.summary-card span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.expert-modal-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 16px;
}

.expert-modal-tabs button {
  min-height: 38px;
  padding: 0 16px;
  color: #34506f;
  border: 1px solid #d6e3f4;
  border-radius: 6px;
  background: #f7fbff;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.expert-modal-tabs button.active,
.expert-modal-tabs button:hover {
  color: #fff;
  border-color: var(--blue);
  background: var(--blue);
}

.expert-modal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-height: calc(min(820px, 100vh - 48px) - 230px);
  padding-right: 4px;
  overflow-y: auto;
}

.result-modal-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  max-height: calc(min(820px, 100vh - 48px) - 230px);
  padding-right: 4px;
  overflow-y: auto;
}

.expert-full-card {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.06);
}

.result-full-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.06);
}

.result-full-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.45;
}

.result-full-card p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.result-full-card strong {
  color: #26364d;
}

.expert-full-card .avatar {
  width: 48px;
  height: 54px;
  margin: 0;
  font-size: 20px;
}

.expert-full-card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.expert-full-card p,
.expert-full-card small {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.expert-full-card .field-tag {
  margin-top: 8px;
}

.thumb {
  height: 84px;
  border-radius: 5px;
  background-size: cover;
}

.thumb.storage {
  background-image: linear-gradient(135deg, #6b4b23, #d9ac5e);
}

.thumb.seedling {
  background-image: linear-gradient(135deg, #0f7d3e, #a8d783);
}

.thumb.chips {
  background-image: linear-gradient(135deg, #f3c05a, #fff1bf);
}

.result-list span,
.expert-list span,
.field-tag {
  display: inline-block;
  margin: 10px 5px 0 0;
  padding: 4px 8px;
  color: #0c69b9;
  border-radius: 4px;
  background: #eaf3ff;
  font-size: 12px;
}

.avatar {
  display: grid;
  place-items: center;
  width: 74px;
  height: 86px;
  margin: 0 auto 8px;
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(160deg, #29415f, #7291b8);
  border-radius: 4px;
}

.avatar.woman {
  background: linear-gradient(160deg, #c35b83, #f3b1c7);
}

.avatar.man {
  background: linear-gradient(160deg, #355071, #9cb4d2);
}

.expert-list article {
  text-align: center;
}

@keyframes scrollUp {
  from {
    transform: translateY(0);
  }

  to {
    transform: translateY(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-track {
    animation: none;
  }
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 22px;
  margin-bottom: 24px;
}

.policy-grid article {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
}

.policy-entry {
  cursor: pointer;
}

.policy-icon {
  width: 48px;
  height: 48px;
  color: #fff;
  border-radius: 8px;
}

.policy-grid time {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.policy-grid a {
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.policy-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1040px, calc(100vw - 48px));
  max-height: min(820px, calc(100vh - 48px));
  padding: 24px;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.map-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1240px, calc(100vw - 48px));
  max-height: min(900px, calc(100vh - 48px));
  padding: 24px;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.video-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1080px, calc(100vw - 48px));
  max-height: min(820px, calc(100vh - 48px));
  padding: 24px;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.video-player-wrap {
  margin-top: 16px;
  overflow: hidden;
  background: #07192e;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.video-player-wrap video {
  display: block;
  width: 100%;
  max-height: calc(100vh - 190px);
  aspect-ratio: 16 / 9;
  background: #07192e;
}

.innovation-modal-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(1120px, calc(100vw - 48px));
  max-height: min(860px, calc(100vh - 48px));
  padding: 24px;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 28px 80px rgba(9, 28, 55, 0.28);
  transform: translate(-50%, -50%);
}

.innovation-body {
  max-height: calc(min(860px, 100vh - 48px) - 96px);
  overflow-x: hidden;
  overflow-y: auto;
  padding-right: 6px;
}

.innovation-intro {
  margin: 16px 0;
  padding: 18px;
  color: #26364d;
  background: linear-gradient(135deg, #fff8ee, #f8fbff);
  border: 1px solid #f2dfbf;
  border-radius: 8px;
  line-height: 1.8;
}

.innovation-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.innovation-summary article {
  min-height: 82px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.06);
}

.innovation-summary strong {
  display: block;
  color: var(--orange);
  font-size: 24px;
  line-height: 1.1;
}

.innovation-summary span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.innovation-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.innovation-tabs button {
  min-height: 38px;
  padding: 0 16px;
  color: #5c4630;
  border: 1px solid #eed8b8;
  border-radius: 6px;
  background: #fff9f0;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.innovation-tabs button.active,
.innovation-tabs button:hover {
  color: #fff;
  border-color: var(--orange);
  background: var(--orange);
}

.innovation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.innovation-card {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.06);
  overflow-wrap: anywhere;
}

.innovation-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.innovation-card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.45;
}

.count-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: #a75b00;
  border-radius: 14px;
  background: #fff2de;
  font-size: 13px;
  font-weight: 800;
}

.innovation-card p,
.innovation-card li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.innovation-card p {
  margin: 0 0 8px;
}

.innovation-card ul {
  display: grid;
  gap: 6px;
  margin: 8px 0 0;
  padding-left: 18px;
}

.map-viewer {
  display: grid;
  place-items: center;
  height: calc(min(900px, 100vh - 48px) - 170px);
  margin-top: 16px;
  overflow: auto;
  background: #f5faf7;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.map-viewer img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.map-actions {
  display: flex;
  justify-content: flex-end;
  padding-top: 14px;
}

.policy-brief {
  max-height: calc(min(820px, 100vh - 48px) - 96px);
  overflow-y: auto;
  padding-right: 6px;
}

.policy-intro {
  margin: 16px 0;
  padding: 18px;
  color: #26364d;
  background: linear-gradient(135deg, #eef6ff, #f8fbff);
  border: 1px solid #d9e8fb;
  border-radius: 8px;
  line-height: 1.8;
}

.policy-source {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.policy-highlights {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.policy-highlights article {
  min-height: 86px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 6px 16px rgba(20, 62, 120, 0.06);
}

.policy-highlights strong {
  display: block;
  color: var(--blue);
  font-size: 22px;
  line-height: 1.15;
}

.policy-highlights span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.policy-section-list {
  display: grid;
  gap: 14px;
}

.policy-section-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.policy-section-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.policy-section-card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.8;
}

.policy-section-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.policy-section-card li {
  color: #31415a;
  line-height: 1.75;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: center;
  padding: 26px 70px;
  color: #fff;
  background: linear-gradient(135deg, #004aa8, #006bd6);
}

.site-footer div:first-child {
  display: grid;
  gap: 8px;
}

.site-footer nav {
  display: flex;
  gap: 36px;
}

.site-footer a {
  color: inherit;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 24px;
  }

  .brand {
    font-size: 22px;
  }

  .nav-toggle {
    display: block;
  }

  .nav,
  .search {
    display: none;
  }

  .site-header.open .nav,
  .site-header.open .search {
    display: flex;
    grid-column: 1 / -1;
  }

  .site-header.open .nav {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .site-header.open .search {
    margin-bottom: 16px;
  }

  .hero,
  .quick-grid,
  .content-grid,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 700px) {
  .site-header {
    min-height: 64px;
    padding: 0 56px 0 16px;
  }

  .nav-toggle {
    position: fixed;
    top: 18px;
    right: 16px;
    left: auto;
    z-index: 30;
  }

  .site-header::after {
    position: fixed;
    top: 24px;
    right: 22px;
    left: auto;
    z-index: 29;
    width: 22px;
    height: 16px;
    background:
      linear-gradient(#0f4da8, #0f4da8) 0 0 / 100% 2px no-repeat,
      linear-gradient(#0f4da8, #0f4da8) 0 7px / 100% 2px no-repeat,
      linear-gradient(#0f4da8, #0f4da8) 0 14px / 100% 2px no-repeat;
    pointer-events: none;
    content: "";
  }

  .mobile-menu-label {
    position: fixed;
    top: 21px;
    right: 16px;
    z-index: 28;
    display: block;
    color: #0f4da8;
    font-size: 14px;
    font-weight: 800;
    pointer-events: none;
  }

  .brand {
    gap: 8px;
    font-size: 15px;
    white-space: normal;
  }

  .brand span:last-child {
    max-width: calc(100vw - 118px);
    line-height: 1.25;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 38px 20px;
  }

  .hero-copy {
    width: min(100%, 350px);
  }

  .hero h1 {
    font-size: 28px;
    max-width: 100%;
    word-break: break-all;
  }

  .hero p {
    font-size: 17px;
    word-break: break-all;
  }

  .hero-stats,
  .result-list,
  .expert-list {
    grid-template-columns: 1fr;
  }

  .scroll-window {
    height: 330px;
  }

  main > section:not(.hero) {
    width: min(100% - 28px, 1280px);
  }

  .feature-card,
  .policy-grid article {
    grid-template-columns: 1fr;
  }

  .policy-modal-panel {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 16px;
  }

  .map-modal-panel {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 16px;
  }

  .video-modal-panel {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 16px;
  }

  .video-player-wrap video {
    max-height: calc(100vh - 160px);
  }

  .innovation-modal-panel {
    top: 12px;
    left: 16px;
    right: 16px;
    width: auto;
    max-height: calc(100vh - 24px);
    padding: 16px;
    transform: none;
  }

  .innovation-summary,
  .innovation-list {
    grid-template-columns: 1fr;
  }

  .innovation-body {
    max-height: calc(100vh - 126px);
    padding-right: 0;
  }

  .innovation-intro {
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .innovation-tabs button {
    flex: 1 1 100%;
    padding: 0 10px;
  }

  .map-viewer {
    height: calc(100vh - 210px);
  }

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

  .database-banner,
  .site-footer {
    display: grid;
    grid-template-columns: 1fr;
    padding: 24px 18px;
  }

  .site-footer nav {
    flex-wrap: wrap;
    gap: 18px;
  }

  .expert-modal-panel {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 24px);
    padding: 16px;
  }

  .database-modal-panel {
    width: calc(100vw - 24px);
    padding: 16px;
  }

  .expert-modal-header h2 {
    font-size: 20px;
  }

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

  .expert-modal-list {
    grid-template-columns: 1fr;
    max-height: calc(100vh - 330px);
  }

  .result-modal-list {
    grid-template-columns: 1fr;
    max-height: calc(100vh - 330px);
  }
}