:root {
  color-scheme: light;
  --md-surface: #fffbfe;
  --md-on-surface: #1c1b1f;
  --md-primary: #6750a4;
  --md-on-primary: #ffffff;
  --md-primary-container: #eaddff;
  --md-on-primary-container: #21005d;
  --md-secondary-container: #e8def8;
  --md-on-secondary-container: #1d192b;
  --md-tertiary: #7d5260;
  --md-tertiary-container: #ffd8e4;
  --md-surface-container-lowest: #fff7fc;
  --md-surface-container-low: #f7f2fa;
  --md-surface-container: #f3edf7;
  --md-surface-container-high: #ece6f0;
  --md-surface-container-highest: #e6e0e9;
  --md-outline: #79747e;
  --md-outline-variant: #cac4d0;
  --md-on-surface-variant: #49454f;
  --easing: cubic-bezier(0.2, 0, 0, 1);
  --shadow-one: 0 1px 2px rgba(28, 27, 31, 0.06), 0 2px 8px rgba(28, 27, 31, 0.05);
  --shadow-two: 0 8px 24px rgba(28, 27, 31, 0.1), 0 2px 6px rgba(28, 27, 31, 0.06);
  --shell: min(1160px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% 15%, rgba(234, 221, 255, 0.55), transparent 24rem),
    var(--md-surface);
  color: var(--md-on-surface);
  font-family: "Roboto", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
}

svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 200ms var(--easing);
}

.skip-link:focus {
  transform: translateY(0);
}

.top-app-bar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 10px max(20px, calc((100vw - 1160px) / 2));
  border-bottom: 1px solid rgba(202, 196, 208, 0.65);
  background: rgba(255, 251, 254, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  border-radius: 16px;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 15px 15px 6px 15px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: var(--shadow-one);
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 0.95rem;
  font-weight: 700;
}

.brand-copy span {
  margin-top: 4px;
  color: var(--md-on-surface-variant);
  font-size: 0.75rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.fab {
  display: grid;
  width: 48px;
  height: 48px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 18px;
  background: var(--md-surface-container);
  color: var(--md-on-surface-variant);
  cursor: pointer;
  text-decoration: none;
  transition: transform 200ms var(--easing), box-shadow 300ms var(--easing), background 200ms;
}

.fab svg {
  width: 23px;
  height: 23px;
}

.fab:hover {
  background: var(--md-secondary-container);
  box-shadow: var(--shadow-two);
}

.fab:active,
.primary-button:active,
.repository-button:active,
.contact-button:active,
.site-link:active {
  transform: scale(0.95);
}

.contact-button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 20px;
  align-items: center;
  gap: 9px;
  border: 0;
  border-radius: 999px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 5px 16px rgba(103, 80, 164, 0.2);
  transition: transform 200ms var(--easing), box-shadow 300ms var(--easing), opacity 200ms;
}

.repository-button {
  display: inline-flex;
  min-height: 48px;
  padding: 0 18px;
  align-items: center;
  gap: 9px;
  border-radius: 999px;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: inset 0 0 0 1px var(--md-outline-variant);
  transition: transform 200ms var(--easing), box-shadow 300ms var(--easing), background 200ms;
}

.repository-button svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  stroke: none;
}

.repository-button:hover {
  background: var(--md-secondary-container);
  box-shadow: var(--shadow-one);
}

.repository-label-short {
  display: none;
}

.contact-button svg {
  width: 19px;
  height: 19px;
}

.contact-button:hover {
  opacity: 0.9;
  box-shadow: 0 9px 24px rgba(103, 80, 164, 0.28);
}

:focus-visible {
  outline: 2px solid var(--md-primary);
  outline-offset: 3px;
}

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  min-height: 530px;
  margin-top: 32px;
  padding: 68px 72px;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  overflow: hidden;
  border-radius: 48px;
  background:
    radial-gradient(circle at 75% 25%, rgba(255, 216, 228, 0.8), transparent 24%),
    linear-gradient(135deg, var(--md-secondary-container), #f4eafa 54%, #efe7f3);
  box-shadow: 0 16px 50px rgba(103, 80, 164, 0.12);
}

.ambient {
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(55px);
  opacity: 0.5;
}

.ambient-one {
  top: -18%;
  left: -10%;
  width: 390px;
  height: 260px;
  background: var(--md-primary-container);
  transform: rotate(24deg);
}

.ambient-two {
  right: 2%;
  bottom: -24%;
  width: 430px;
  height: 330px;
  background: var(--md-tertiary-container);
}

.ambient-three {
  top: 45%;
  left: 48%;
  width: 230px;
  height: 180px;
  background: rgba(103, 80, 164, 0.22);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  color: var(--md-primary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 251, 254, 0.58);
  box-shadow: inset 0 0 0 1px rgba(103, 80, 164, 0.12);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--md-tertiary);
  box-shadow: 0 0 0 5px rgba(125, 82, 96, 0.12);
}

.hero h1 {
  margin: 24px 0 18px;
  font-size: clamp(2.8rem, 5.5vw, 4.7rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.hero h1 span {
  color: var(--md-primary);
}

.hero-copy > p {
  max-width: 560px;
  margin: 0 0 30px;
  color: var(--md-on-surface-variant);
  font-size: 1.08rem;
  line-height: 1.8;
}

.primary-button,
.site-link {
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 500;
  text-decoration: none;
  transition: transform 200ms var(--easing), box-shadow 300ms var(--easing), background 200ms;
}

.primary-button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 26px;
  align-items: center;
  gap: 12px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: 0 8px 22px rgba(103, 80, 164, 0.25);
}

.primary-button::before,
.site-link::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms var(--easing);
}

.primary-button {
  position: relative;
}

.primary-button:hover::before,
.site-link:hover::before {
  opacity: 0.1;
}

.primary-button:hover {
  box-shadow: 0 12px 30px rgba(103, 80, 164, 0.3);
}

.primary-button svg,
.site-link svg {
  width: 20px;
  height: 20px;
}

.hero-orbit {
  position: relative;
  width: min(390px, 100%);
  aspect-ratio: 1;
  justify-self: center;
}

.orbit-ring {
  position: absolute;
  border: 1px solid rgba(103, 80, 164, 0.18);
  border-radius: 50%;
}

.orbit-ring::after {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--md-tertiary);
  box-shadow: 0 0 0 8px rgba(125, 82, 96, 0.12);
  content: "";
}

.orbit-ring-one {
  inset: 4%;
  animation: spin 18s linear infinite;
}

.orbit-ring-one::after {
  top: 16%;
  right: 9%;
}

.orbit-ring-two {
  inset: 18%;
  border-style: dashed;
  animation: spin 14s linear infinite reverse;
}

.orbit-ring-two::after {
  bottom: 4%;
  left: 24%;
  background: var(--md-primary);
}

.orbit-core {
  position: absolute;
  inset: 29%;
  display: grid;
  place-items: center;
  border-radius: 38% 38% 18% 38%;
  background: rgba(255, 251, 254, 0.78);
  color: var(--md-primary);
  box-shadow: 0 20px 45px rgba(103, 80, 164, 0.2);
  backdrop-filter: blur(10px);
  transform: rotate(-8deg);
}

.orbit-core svg {
  width: 58%;
  transform: rotate(8deg);
}

.orbit-chip {
  position: absolute;
  display: grid;
  min-width: 72px;
  min-height: 42px;
  padding: 8px 16px;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 251, 254, 0.76);
  color: var(--md-on-primary-container);
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow-one);
  backdrop-filter: blur(10px);
}

.chip-one {
  top: 15%;
  left: 1%;
}

.chip-two {
  top: 25%;
  right: -2%;
}

.chip-three {
  right: 9%;
  bottom: 9%;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.directory {
  padding-block: 108px 72px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2,
.about h2 {
  margin: 8px 0 6px;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: 0;
}

.section-heading p,
.about p {
  margin: 0;
  color: var(--md-on-surface-variant);
}

.site-count {
  display: flex;
  min-width: 112px;
  padding: 14px 20px;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  border-radius: 24px;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.site-count strong {
  font-size: 1.9rem;
  line-height: 1;
}

.site-count span {
  font-size: 0.8rem;
}

.status-panel {
  display: grid;
  min-height: 260px;
  margin-top: 32px;
  padding: 48px 24px;
  place-items: center;
  align-content: center;
  border-radius: 32px;
  background: var(--md-surface-container-low);
  color: var(--md-on-surface-variant);
  text-align: center;
}

.status-panel p {
  margin: 18px 0 0;
}

.loader {
  width: 38px;
  height: 38px;
  border: 4px solid var(--md-secondary-container);
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.site-grid {
  display: grid;
  margin-top: 32px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.click-count-note {
  margin: 12px 2px 0;
  color: var(--md-on-surface-variant);
  font-size: 0.72rem;
  line-height: 1.5;
  text-align: right;
  opacity: 0.72;
}

.click-count-note span {
  display: block;
}

.click-count-note span:not([hidden]) + span:not([hidden]) {
  margin-top: 2px;
}

.score-overview {
  margin-top: 28px;
  padding-top: 46px;
  border-top: 1px solid var(--md-outline-variant);
}

.score-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.score-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 500;
  line-height: 1.2;
}

.score-legend {
  margin: 12px 0 0;
  color: var(--md-on-surface-variant);
  font-size: 0.78rem;
  line-height: 1.5;
}

.score-year-range {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
  font-size: 0.84rem;
  white-space: nowrap;
}

.score-plans {
  margin-top: 34px;
}

.score-plan + .score-plan {
  margin-top: 48px;
  padding-top: 42px;
  border-top: 1px solid var(--md-outline-variant);
}

.score-plan-heading {
  display: flex;
  align-items: center;
  gap: 12px;
}

.score-plan-heading h3 {
  margin: 0;
  color: var(--md-on-surface);
  font-size: 1.14rem;
  font-weight: 600;
  line-height: 1.35;
}

.score-plan-index {
  color: var(--md-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.score-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.score-toolbar label {
  display: grid;
  gap: 5px;
  min-width: 160px;
  color: var(--md-on-surface-variant);
  font-size: 0.8rem;
}

.score-toolbar select {
  min-height: 42px;
  padding: 0 36px 0 13px;
  border: 1px solid var(--md-outline-variant);
  border-radius: 10px;
  background: var(--md-surface-container-lowest);
  color: var(--md-on-surface);
}

.score-status {
  margin: 22px 0 0;
  color: var(--md-on-surface-variant);
}

.score-table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--md-outline-variant);
  border-radius: 16px;
  background: var(--md-surface-container-lowest);
}

.score-table-wrap:has(.score-table[hidden]) {
  display: none;
}

.score-table {
  width: 100%;
  min-width: 1020px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.score-table th,
.score-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--md-outline-variant);
  text-align: left;
  vertical-align: top;
}

.score-table th {
  background: var(--md-surface-container-low);
  color: var(--md-on-surface-variant);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.score-table tbody tr:last-child td {
  border-bottom: 0;
}

.score-table tbody tr:hover {
  background: var(--md-surface-container-low);
}

.score-source {
  display: block;
  margin-top: 4px;
  color: var(--md-primary);
  font-size: 0.76rem;
  text-decoration: none;
}

.score-source:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-card {
  position: relative;
  display: flex;
  min-height: 335px;
  padding: 26px;
  flex-direction: column;
  overflow: hidden;
  border-radius: 24px;
  background: var(--md-surface-container);
  box-shadow: var(--shadow-one);
  transition: transform 300ms var(--easing), box-shadow 300ms var(--easing), background 300ms;
}

.site-card::after {
  position: absolute;
  top: -60px;
  right: -65px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--card-aura, var(--md-secondary-container));
  content: "";
  filter: blur(20px);
  opacity: 0.62;
  transition: opacity 300ms var(--easing), transform 300ms var(--easing);
}

.site-card:hover {
  background: var(--md-surface-container-low);
  box-shadow: var(--shadow-two);
  transform: translateY(-5px) scale(1.01);
}

.site-card:hover::after {
  opacity: 0.92;
  transform: scale(1.16);
}

/*
 * 卡片变体
 * `site-config.js` 中的 variant 会映射为 `.site-card--{variant}`。
 * 新增视觉变体时，把样式集中放在这一段即可，不需要修改渲染逻辑。
 */

/* 通用图片封面：图片背景 + 深色遮罩压字。 */
.site-card--cover {
  background-color: #1b1e3a; /* 图片加载失败时的回退底色 */
  background-image: var(--card-cover);
  background-position: var(--card-cover-position, center);
  background-size: cover;
}

.site-card--cover::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    to top,
    rgba(18, 14, 34, 0.85) 0%,
    rgba(18, 14, 34, 0.6) 30%,
    rgba(18, 14, 34, 0.28) 62%,
    rgba(18, 14, 34, 0.06) 100%
  );
  content: "";
  pointer-events: none;
}

.site-card--cover::after {
  display: none; /* 关闭圆形 aura 光斑，由图片背景取代 */
}

.site-card--cover:hover {
  /* 覆盖 .site-card:hover 的 background 简写，避免清掉背景图 */
  background-color: #1b1e3a;
  background-image: var(--card-cover);
  background-position: var(--card-cover-position, center);
  background-size: cover;
}

.site-card--cover .site-monogram {
  background: none;
  color: #ffffff;
  box-shadow: none;
  padding: 0;
  min-width: 0;
  min-height: 0;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 0 14px rgba(0, 0, 0, 0.45);
  transform: translateY(6px); /* 徽章文字向下微移 */
}

.site-card--cover .site-content {
  /* 补偿去按钮 monogram 的高度差，标题与简介对齐普通卡片文字位置 */
  padding-top: 31px;
}

.site-card--cover .site-content h3 {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.55), 0 0 10px rgba(0, 0, 0, 0.35);
}

.site-card--cover .site-description {
  color: rgba(255, 255, 255, 0.86);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.site-card--cover .site-link {
  background: none;
  color: rgba(255, 255, 255, 0.92);
  box-shadow: none;
  border-radius: 0;
  min-height: 0;
  padding: 0;
  font-weight: 500;
  text-decoration: none;
  transition: color 200ms var(--easing);
  margin-bottom: 10px; /* 访问链接向上微移 */
}

.site-card--cover .site-link::before {
  display: none; /* 去掉 hover 光晕，改为纯文字链接 */
}

.site-card--cover .site-link:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(255, 255, 255, 0.7);
}

.site-card--cover .site-health {
  background: none;
  box-shadow: none;
  color: rgba(255, 255, 255, 0.92);
  min-height: 0;
  padding: 0;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 0 12px rgba(0, 0, 0, 0.4);
  transform: translateY(6px); /* 健康徽标向下微移 */
}

.site-card--cover .site-health .health-dot {
  background: #d6d0e0;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.22);
}

.site-card--cover .site-health.is-online {
  color: #b0f0b6;
}

.site-card--cover .site-health.is-online .health-dot {
  background: #8fe395;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.22);
}

.site-card--cover .site-health.is-offline {
  color: #ffb4ab;
}

.site-card--cover .site-health.is-offline .health-dot {
  background: #ffb4ab;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.22);
}

/* 特色院所封面：整图叠字的画册式构图。 */
.site-card--institute-featured {
  /* 实体边框会露出回退底色，导致图片顶部出现深色细线。 */
  border: 0;
  background-position: var(--card-cover-position, center);
  background-repeat: no-repeat;
  box-shadow: 0 14px 34px rgba(15, 22, 28, 0.2);
  transition:
    transform 300ms var(--easing),
    box-shadow 300ms var(--easing);
}

.site-card--institute-featured::before {
  background:
    linear-gradient(
      180deg,
      rgba(9, 17, 23, 0.04) 0%,
      rgba(9, 17, 23, 0.08) 25%,
      rgba(9, 17, 23, 0.48) 56%,
      rgba(8, 14, 20, 0.94) 100%
    ),
    linear-gradient(90deg, rgba(10, 18, 24, 0.2), transparent 64%);
}

.site-card--institute-featured:hover {
  background-position: var(--card-cover-position, center);
  background-repeat: no-repeat;
  background-size: cover;
  box-shadow: 0 22px 48px rgba(15, 22, 28, 0.3);
}

.site-card--institute-featured .site-monogram {
  min-width: 0;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(237, 213, 166, 0.58);
  border-radius: 4px;
  background: rgba(17, 25, 30, 0.28);
  color: #f5dfb6;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.12);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(8px);
  transform: none;
}

.site-card--institute-featured .site-health {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(17, 25, 30, 0.28);
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.7rem;
  box-shadow: 0 5px 14px rgba(0, 0, 0, 0.12);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
  transform: none;
}

.site-card--institute-featured .site-health.is-online {
  color: #b9efbd;
}

.site-card--institute-featured .site-health.is-offline {
  color: #ffb4ab;
}

.site-card--institute-featured .institute-identity {
  position: absolute;
  top: 78px;
  left: 28px;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: rgba(244, 218, 167, 0.86);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.42);
}

.site-card--institute-featured .institute-identity-rule {
  width: 26px;
  height: 1px;
  margin-top: 7px;
  background: linear-gradient(90deg, #e4bd78, rgba(228, 189, 120, 0.18));
  box-shadow: 0 0 8px rgba(228, 189, 120, 0.2);
}

.site-card--institute-featured .institute-identity-copy {
  display: grid;
  gap: 2px;
}

.site-card--institute-featured .institute-identity-copy strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.2;
}

.site-card--institute-featured .institute-identity-copy small {
  color: rgba(255, 244, 218, 0.62);
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 0.58rem;
  line-height: 1.25;
  letter-spacing: 0.06em;
}

.site-card--institute-featured .site-content {
  margin-top: auto;
  padding-top: 58px;
}

.site-card--institute-featured .site-content h3 {
  display: flex;
  margin-bottom: 10px;
  flex-direction: column;
  color: #ffffff;
  line-height: 1;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.44);
}

.site-card--institute-featured .site-content h3::after {
  width: 46px;
  height: 1px;
  margin-top: 11px;
  background: linear-gradient(90deg, #e3bd78, rgba(227, 189, 120, 0));
  content: "";
}

.site-card--institute-featured .institute-title-academy {
  color: #edd19a;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.16em;
}

.site-card--institute-featured .institute-title-name {
  margin-top: 5px;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 1.62rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.035em;
}

.site-card--institute-featured .institute-title-english {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.68);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.52rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.08em;
}

.site-card--institute-featured .site-description {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
  line-height: 1.58;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.42);
  -webkit-line-clamp: 2;
}

.site-card--institute-featured .site-link {
  min-height: 36px;
  margin: 13px 0 0;
  padding: 0 13px;
  align-self: flex-end;
  border: 1px solid rgba(237, 213, 166, 0.32);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff4de;
  font-size: 0.76rem;
  font-weight: 600;
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(10px);
}

.site-card--institute-featured .site-link::before {
  display: block;
}

.site-card--institute-featured .site-link:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  text-decoration: none;
}

.site-card--institute-featured .site-link svg {
  width: 15px;
  height: 15px;
}

/* 标题封面：浅纸面编辑风，保留水彩画面的通透感。 */
.site-card--title-only {
  border: 1px solid rgba(31, 59, 80, 0.16);
  background-position: var(--card-cover-position, center);
  box-shadow: 0 14px 34px rgba(40, 50, 55, 0.16);
}

.site-card--title-only::before {
  background:
    linear-gradient(
      180deg,
      rgba(255, 252, 243, 0.92) 0%,
      rgba(255, 252, 243, 0.58) 31%,
      rgba(255, 252, 243, 0.08) 61%,
      rgba(16, 42, 61, 0.2) 100%
    ),
    linear-gradient(90deg, rgba(255, 252, 243, 0.42), transparent 72%);
}

.site-card--title-only:hover {
  border-color: rgba(172, 119, 48, 0.36);
  background-position: var(--card-cover-position, center);
  box-shadow: 0 20px 46px rgba(31, 48, 59, 0.24);
}

.site-card--title-only .card-topline {
  display: flex;
  justify-content: flex-end;
}

.site-card--title-only .site-monogram,
.site-card--title-only .site-description {
  display: none;
}

.site-card--title-only .site-health {
  min-height: 30px;
  padding: 0 11px;
  border: 1px solid rgba(38, 65, 83, 0.14);
  background: rgba(255, 252, 243, 0.82);
  color: #27465b;
  font-size: 0.7rem;
  text-shadow: none;
  box-shadow: 0 5px 16px rgba(37, 50, 55, 0.1);
  backdrop-filter: blur(10px);
  transform: none;
}

.site-card--title-only .site-health.is-online {
  color: #245d3c;
}

.site-card--title-only .site-health.is-offline {
  color: #8a302c;
}

.site-card--title-only .site-content {
  max-width: 100%;
  margin-top: -30px;
  padding: 0;
}

.site-card--title-only .site-content h3 {
  display: flex;
  margin: 0;
  flex-direction: column;
  align-items: flex-start;
  color: #173b55;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.62);
}

.site-card--title-only .title-academy {
  font-size: clamp(0.78rem, 1vw, 0.88rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.18em;
  white-space: nowrap;
}

.site-card--title-only .title-institution {
  margin-top: 7px;
  font-size: clamp(1rem, 1.35vw, 1.13rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.055em;
  white-space: nowrap;
}

.site-card--title-only .title-guide {
  position: relative;
  margin-top: 13px;
  padding-top: 12px;
  color: #11344d;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0.12em;
}

.site-card--title-only .title-guide::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 54px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #9b6122, #d4a354);
  content: "";
}

.site-card--title-only .site-link {
  min-height: 38px;
  margin-bottom: 0;
  padding: 0 14px;
  align-self: flex-end;
  border: 1px solid rgba(38, 65, 83, 0.14);
  border-radius: 999px;
  background: rgba(255, 252, 243, 0.88);
  color: #173b55;
  font-size: 0.78rem;
  box-shadow: 0 6px 18px rgba(26, 45, 57, 0.14);
  backdrop-filter: blur(10px);
}

.site-card--title-only .site-link:hover {
  background: #fffaf0;
  color: #8b541a;
  text-decoration: none;
}

.site-card--title-only .site-link svg {
  width: 16px;
  height: 16px;
}

/* 计算所：利用水彩封面的左侧纸面留白排版，完整保留右侧建筑主体。 */
.site-card--ict-watercolor {
  border: 1px solid rgba(55, 78, 88, 0.18);
  background-color: #eee4cf;
  background-position: var(--card-cover-position, center);
  box-shadow: 0 14px 34px rgba(48, 62, 68, 0.16);
}

.site-card--ict-watercolor::before {
  background:
    linear-gradient(
      90deg,
      rgba(250, 243, 226, 0.98) 0%,
      rgba(250, 243, 226, 0.9) 34%,
      rgba(250, 243, 226, 0.46) 54%,
      rgba(250, 243, 226, 0) 72%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 58%, rgba(38, 54, 61, 0.12));
}

.site-card--ict-watercolor:hover {
  border-color: rgba(53, 93, 114, 0.32);
  background-color: #eee4cf;
  background-image: var(--card-cover);
  background-position: var(--card-cover-position, center);
  background-size: cover;
  box-shadow: 0 20px 46px rgba(48, 62, 68, 0.24);
}

.site-card--ict-watercolor .site-monogram {
  min-width: 0;
  min-height: 0;
  padding: 0;
  background: none;
  color: #355d72;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0;
  box-shadow: none;
  text-shadow: none;
  transform: none;
}

.site-card--ict-watercolor .site-health {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(53, 93, 114, 0.16);
  background: rgba(250, 243, 226, 0.82);
  color: #435d69;
  font-size: 0.7rem;
  box-shadow: 0 5px 14px rgba(48, 62, 68, 0.08);
  text-shadow: none;
  backdrop-filter: blur(8px);
  transform: none;
}

.site-card--ict-watercolor .site-health.is-online {
  color: #286044;
}

.site-card--ict-watercolor .site-health.is-offline {
  color: #8a3a32;
}

.site-card--ict-watercolor .site-health .health-dot {
  box-shadow: 0 0 0 4px rgba(53, 93, 114, 0.1);
}

.site-card--ict-watercolor .institute-identity {
  position: absolute;
  top: 70px;
  left: 26px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(41, 75, 93, 0.72);
}

.site-card--ict-watercolor .institute-identity-rule {
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, #51758a, rgba(81, 117, 138, 0.18));
}

.site-card--ict-watercolor .institute-identity-copy {
  display: flex;
  align-items: center;
  gap: 7px;
  line-height: 1;
}

.site-card--ict-watercolor .institute-identity-copy strong,
.site-card--ict-watercolor .institute-identity-copy small {
  font-family: Georgia, "Times New Roman", "Songti SC", STSong, serif;
  font-size: 0.56rem;
  letter-spacing: 0;
}

.site-card--ict-watercolor .institute-identity-copy strong {
  font-weight: 700;
}

.site-card--ict-watercolor .institute-identity-copy small {
  padding-left: 7px;
  border-left: 1px solid rgba(41, 75, 93, 0.24);
  color: rgba(41, 75, 93, 0.58);
}

.site-card--ict-watercolor .site-content {
  max-width: 62%;
  margin-top: 30px;
  padding-top: 0;
}

.site-card--ict-watercolor .site-content h3 {
  display: flex;
  margin: 0;
  flex-direction: column;
  align-items: flex-start;
  color: #294b5d;
  line-height: 1;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.68);
}

.site-card--ict-watercolor .ict-title-academy {
  color: #526e7b;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0;
}

.site-card--ict-watercolor .ict-title-name {
  margin-top: 6px;
  font-family: "Songti SC", "Noto Serif CJK SC", STSong, serif;
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.site-card--ict-watercolor .ict-title-english {
  max-width: 170px;
  margin-top: 8px;
  color: rgba(41, 75, 93, 0.68);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.5rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
}

.site-card--ict-watercolor .site-description {
  display: -webkit-box;
  max-width: 210px;
  margin-top: 13px;
  color: rgba(41, 75, 93, 0.78);
  font-size: 0.76rem;
  line-height: 1.55;
  text-shadow: none;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.site-card--ict-watercolor .site-link {
  min-height: 34px;
  margin: auto 0 2px;
  padding: 0;
  align-self: flex-start;
  background: none;
  color: #294b5d;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: none;
  text-decoration: none;
}

.site-card--ict-watercolor .site-link:hover {
  color: #173c50;
  text-decoration: underline;
  text-decoration-color: rgba(41, 75, 93, 0.5);
  text-underline-offset: 4px;
}

.site-card--ict-watercolor .site-link svg {
  width: 16px;
  height: 16px;
}

/* 重庆所：以研究院大楼为背景，突出“重庆所”作为卡片主标题。 */
.site-card--cigit-featured {
  border: 0;
  background-color: #123c54;
  background-position: var(--card-cover-position, center);
  background-repeat: no-repeat;
  box-shadow: 0 14px 34px rgba(12, 47, 67, 0.22);
}

.site-card--cigit-featured::before {
  background:
    linear-gradient(180deg, rgba(6, 29, 46, 0.18) 0%, rgba(5, 28, 45, 0.18) 30%, rgba(4, 20, 33, 0.92) 100%),
    linear-gradient(90deg, rgba(5, 31, 48, 0.54), rgba(5, 31, 48, 0.06) 74%);
}

.site-card--cigit-featured:hover {
  background-color: #123c54;
  background-image: var(--card-cover);
  background-position: var(--card-cover-position, center);
  background-size: cover;
  box-shadow: 0 22px 48px rgba(12, 47, 67, 0.32);
}

.site-card--cigit-featured .site-monogram {
  min-width: 0;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(221, 246, 255, 0.58);
  border-radius: 999px;
  color: #e7f8ff;
  background: rgba(5, 52, 78, 0.4);
  box-shadow: none;
  font-size: 0.68rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.site-card--cigit-featured .site-health {
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.92);
  background: rgba(5, 27, 42, 0.32);
  box-shadow: none;
  backdrop-filter: blur(8px);
  transform: none;
}

.site-card--cigit-featured .site-health.is-online { color: #bbf0c2; }
.site-card--cigit-featured .site-health.is-offline { color: #ffb4ab; }

.site-card--cigit-featured .institute-identity {
  position: absolute;
  top: 75px;
  left: 28px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(213, 243, 255, 0.88);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.42);
}

.site-card--cigit-featured .institute-identity-rule {
  width: 25px;
  height: 1px;
  background: linear-gradient(90deg, #86dcff, rgba(134, 220, 255, 0.18));
}

.site-card--cigit-featured .institute-identity-copy { display: grid; gap: 2px; }
.site-card--cigit-featured .institute-identity-copy strong { font: 700 0.58rem/1.2 Georgia, "Times New Roman", serif; letter-spacing: 0.14em; }
.site-card--cigit-featured .institute-identity-copy small { color: rgba(235, 249, 255, 0.66); font-size: 0.58rem; line-height: 1.2; letter-spacing: 0.06em; }

.site-card--cigit-featured .site-content { margin-top: auto; padding-top: 57px; }
.site-card--cigit-featured .site-content h3 { display: flex; margin-bottom: 10px; flex-direction: column; align-items: flex-start; color: white; line-height: 1; text-shadow: 0 2px 8px rgba(0, 0, 0, 0.46); }
.site-card--cigit-featured .cigit-title-academy { color: #bfeaff; font: 700 0.68rem/1.25 "Songti SC", "Noto Serif CJK SC", STSong, serif; letter-spacing: 0.14em; }
.site-card--cigit-featured .cigit-title-city { margin-top: 5px; color: #ffffff; font-size: clamp(2.18rem, 3.4vw, 2.78rem); font-weight: 800; line-height: 0.98; letter-spacing: 0.08em; }
.site-card--cigit-featured .cigit-title-name { margin-top: 8px; color: #d3f2ff; font: 700 0.82rem/1.2 "Songti SC", "Noto Serif CJK SC", STSong, serif; letter-spacing: 0.12em; }
.site-card--cigit-featured .cigit-title-english { max-width: 230px; margin-top: 8px; color: rgba(255, 255, 255, 0.7); font: 600 0.48rem/1.35 Georgia, "Times New Roman", serif; letter-spacing: 0.07em; }
.site-card--cigit-featured .site-description { color: rgba(255, 255, 255, 0.84); font-size: 0.8rem; line-height: 1.58; text-shadow: 0 1px 4px rgba(0, 0, 0, 0.42); -webkit-line-clamp: 2; }
.site-card--cigit-featured .site-link { min-height: 36px; margin: 13px 0 0; padding: 0 13px; align-self: flex-end; border: 1px solid rgba(206, 244, 255, 0.58); color: #effcff; background: rgba(4, 40, 62, 0.42); box-shadow: 0 7px 18px rgba(0, 0, 0, 0.16); backdrop-filter: blur(10px); }
.site-card--cigit-featured .site-link:hover { color: white; background: rgba(126, 218, 255, 0.25); text-decoration: none; }
.site-card--cigit-featured .site-link svg { width: 15px; height: 15px; }

.card-topline {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-monogram {
  display: inline-flex;
  min-width: 54px;
  min-height: 50px;
  max-width: min(68%, 190px);
  padding: 10px 15px;
  align-items: center;
  justify-content: center;
  border-radius: 18px 18px 7px 18px;
  background: var(--card-color, var(--md-primary));
  color: var(--md-on-primary);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-align: center;
  box-shadow: 0 8px 18px rgba(103, 80, 164, 0.18);
}

.site-health {
  display: inline-flex;
  min-height: 34px;
  padding: 0 12px;
  align-items: center;
  gap: 7px;
  border-radius: 999px;
  background: rgba(255, 251, 254, 0.72);
  color: var(--md-on-surface-variant);
  font-size: 0.72rem;
  font-weight: 500;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(121, 116, 126, 0.16);
  backdrop-filter: blur(8px);
}

.health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #79747e;
  box-shadow: 0 0 0 4px rgba(121, 116, 126, 0.1);
}

.site-health.is-checking .health-dot {
  animation: health-pulse 1.2s var(--easing) infinite;
}

.site-health.is-online {
  color: #1d5e25;
}

.site-health.is-online .health-dot {
  background: #2e7d32;
  box-shadow: 0 0 0 4px rgba(46, 125, 50, 0.12);
}

.site-health.is-offline {
  color: #8c1d18;
}

.site-health.is-offline .health-dot {
  background: #ba1a1a;
  box-shadow: 0 0 0 4px rgba(186, 26, 26, 0.12);
}

@keyframes health-pulse {
  50% {
    opacity: 0.45;
    transform: scale(0.78);
  }
}

.site-content {
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

.site-content h3 {
  margin: 0 0 12px;
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.site-description {
  display: -webkit-box;
  overflow: hidden;
  color: var(--md-on-surface-variant);
  font-size: 0.94rem;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

.site-description p {
  margin: 0 0 8px;
}

.site-description p:last-child {
  margin-bottom: 0;
}

.site-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  min-height: 44px;
  margin-top: auto;
  padding: 0 18px;
  align-self: flex-start;
  align-items: center;
  gap: 8px;
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.empty-icon {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  border-radius: 24px;
  background: var(--md-secondary-container);
  color: var(--md-primary);
}

.empty-icon svg {
  width: 30px;
}

.about {
  position: relative;
  display: grid;
  margin-top: 38px;
  margin-bottom: 88px;
  padding: 54px 62px;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 34px;
  overflow: hidden;
  border-radius: 38px;
  background:
    radial-gradient(circle at 95% 5%, rgba(255, 216, 228, 0.8), transparent 30%),
    var(--md-secondary-container);
  box-shadow: 0 14px 34px rgba(103, 80, 164, 0.1);
}

.about-symbol {
  display: grid;
  width: 112px;
  height: 112px;
  place-items: center;
  border-radius: 36px 36px 12px 36px;
  background: rgba(255, 251, 254, 0.62);
  color: var(--md-primary);
  box-shadow: var(--shadow-one);
}

.site-statuses {
  position: relative;
  display: flex;
  align-items: flex-end;
  flex-direction: column;
}

.site-click-count,
.site-heat {
  position: absolute;
  right: 0;
  display: inline-flex;
  min-height: 22px;
  padding: 0 9px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 251, 254, 0.78);
  color: var(--md-on-surface-variant);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(121, 116, 126, 0.14);
  backdrop-filter: blur(8px);
}

.site-click-count {
  top: calc(100% + 6px);
}

.site-heat {
  top: calc(100% + 6px);
  background: rgba(255, 251, 254, 0.64);
  font-weight: 500;
}

.site-click-count.is-loading,
.site-click-count.is-unavailable,
.site-heat.is-loading,
.site-heat.is-unavailable {
  color: rgba(73, 69, 79, 0.72);
  font-weight: 500;
}

.site-card--cover .site-click-count,
.site-card--cover .site-heat {
  background: rgba(17, 20, 28, 0.38);
  color: rgba(255, 255, 255, 0.9);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.site-card--title-only .site-click-count,
.site-card--title-only .site-heat,
.site-card--ict-watercolor .site-click-count,
.site-card--ict-watercolor .site-heat {
  background: rgba(250, 243, 226, 0.84);
  color: #435d69;
  box-shadow: inset 0 0 0 1px rgba(53, 93, 114, 0.14);
  text-shadow: none;
}

.site-card--title-only .site-content {
  max-width: calc(100% - 92px);
}

.about-copy {
  min-width: 0;
}

.about-symbol svg {
  width: 62px;
}

.about p {
  max-width: 880px;
  font-size: 1rem;
}

.about-points {
  display: grid;
  margin: 30px 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.about-points > div {
  padding: 2px 24px;
  border-left: 1px solid rgba(103, 80, 164, 0.2);
}

.about-points > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.about-points dt {
  margin-bottom: 7px;
  color: var(--md-on-surface);
  font-weight: 700;
}

.about-points dd {
  margin: 0;
  color: var(--md-on-surface-variant);
  font-size: 0.88rem;
  line-height: 1.7;
}

.about-points a {
  color: var(--md-primary);
  font-weight: 500;
  text-underline-offset: 3px;
}

.update-note {
  display: flex;
  margin-top: 26px !important;
  align-items: center;
  gap: 8px;
  color: var(--md-on-surface-variant);
  font-size: 0.78rem !important;
}

.update-note svg {
  width: 17px;
  height: 17px;
  color: var(--md-primary);
}

.about p a {
  padding: 2px 5px;
  border-radius: 7px;
  color: var(--md-primary);
  font-weight: 500;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.about p a:hover {
  background: rgba(103, 80, 164, 0.1);
}

.footer {
  display: flex;
  min-height: 100px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface-variant);
  font-size: 0.85rem;
}

.footer a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--md-primary);
  font-weight: 500;
  text-decoration: none;
}

.footer a:hover {
  background: rgba(103, 80, 164, 0.1);
}

.fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  width: 56px;
  height: 56px;
  background: var(--md-tertiary-container);
  color: #31111d;
  box-shadow: var(--shadow-two);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.94);
}

.fab.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.contact-dialog {
  width: min(480px, calc(100% - 28px));
  padding: 38px;
  border: 0;
  border-radius: 28px;
  background:
    radial-gradient(circle at 100% 0, rgba(255, 216, 228, 0.8), transparent 34%),
    var(--md-surface-container-low);
  color: var(--md-on-surface);
  box-shadow: 0 24px 70px rgba(28, 27, 31, 0.24);
}

.contact-dialog[open] {
  animation: dialog-in 300ms var(--easing);
}

.contact-dialog::backdrop {
  background: rgba(28, 27, 31, 0.38);
  backdrop-filter: blur(5px);
}

.dialog-close {
  position: absolute;
  top: 16px;
  right: 16px;
  display: grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--md-on-surface-variant);
  cursor: pointer;
}

.dialog-close:hover {
  background: rgba(103, 80, 164, 0.1);
}

.dialog-close svg {
  width: 21px;
  height: 21px;
}

.dialog-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 22px 22px 8px 22px;
  background: var(--md-secondary-container);
  color: var(--md-primary);
}

.dialog-icon svg {
  width: 30px;
  height: 30px;
}

.contact-dialog h2 {
  margin: 6px 0 10px;
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.2;
}

.contact-dialog > p {
  margin: 0 0 24px;
  color: var(--md-on-surface-variant);
}

.email-field {
  display: flex;
  min-height: 62px;
  padding: 8px 8px 8px 18px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: 20px;
  background: var(--md-surface-container-high);
}

.email-field > span {
  min-width: 0;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.copy-email-button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 17px;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 999px;
  background: var(--md-primary);
  color: var(--md-on-primary);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 500;
}

.copy-email-button svg {
  width: 18px;
  height: 18px;
}

.copy-email-button:active,
.dialog-close:active {
  transform: scale(0.95);
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
}

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

[hidden] {
  display: none !important;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding: 56px 44px;
    grid-template-columns: 1fr 0.72fr;
  }

  .hero-orbit {
    width: 300px;
  }

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

@media (max-width: 720px) {
  :root {
    --shell: min(100% - 24px, 1160px);
  }

  .top-app-bar {
    min-height: 64px;
    padding-inline: 14px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .header-actions {
    gap: 6px;
  }

  .contact-button {
    min-height: 44px;
    padding-inline: 15px;
  }

  .repository-button {
    min-height: 44px;
    padding-inline: 13px;
  }

  .repository-label-full {
    display: none;
  }

  .repository-label-short {
    display: inline;
  }

  .hero {
    margin-top: 16px;
    padding: 44px 25px 32px;
    grid-template-columns: 1fr;
    border-radius: 30px;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 13vw, 4rem);
  }

  .hero-copy > p {
    font-size: 1rem;
  }

  .hero-orbit {
    width: min(310px, 90vw);
    margin-top: 28px;
  }

  .directory {
    padding-block: 78px 52px;
  }

  .section-heading {
    align-items: flex-start;
  }

  .site-count {
    min-width: 88px;
    padding: 12px 14px;
    border-radius: 20px;
  }

  .site-count strong {
    font-size: 1.5rem;
  }

  .site-grid {
    grid-template-columns: 1fr;
  }

  .score-overview {
    margin-top: 28px;
    padding-top: 36px;
  }

  .score-heading {
    align-items: flex-start;
  }

  .score-toolbar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .score-plans {
    margin-top: 28px;
  }

  .score-plan + .score-plan {
    margin-top: 38px;
    padding-top: 34px;
  }

  .score-toolbar label {
    min-width: 0;
  }

  .score-table-wrap {
    overflow: visible;
    border: 0;
    background: transparent;
  }

  .score-table {
    min-width: 0;
  }

  .score-table thead {
    display: none;
  }

  .score-table,
  .score-table tbody,
  .score-table tr,
  .score-table td {
    display: block;
    width: 100%;
  }

  .score-table tr {
    margin-top: 14px;
    padding: 12px 16px;
    border: 1px solid var(--md-outline-variant);
    border-radius: 14px;
    background: var(--md-surface-container-lowest);
  }

  .score-table td {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--md-surface-container-high);
  }

  .score-table td:last-child {
    border-bottom: 0;
  }

  .score-table td::before {
    color: var(--md-on-surface-variant);
    content: attr(data-label);
    font-size: 0.78rem;
  }

  .site-card {
    min-height: 310px;
  }

  .about {
    margin-bottom: 60px;
    padding: 36px 26px;
    grid-template-columns: 1fr;
    gap: 24px;
    border-radius: 30px;
  }

  .about-symbol {
    width: 88px;
    height: 88px;
    border-radius: 30px 30px 10px 30px;
  }

  .about-symbol svg {
    width: 48px;
  }

  .about-points {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .about-points > div,
  .about-points > div:first-child {
    padding: 0 0 0 16px;
    border-left: 2px solid rgba(103, 80, 164, 0.22);
  }

  .footer {
    min-height: 120px;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
  }

  .fab {
    right: 16px;
    bottom: 16px;
  }

  .contact-dialog {
    padding: 32px 22px 24px;
  }

  .email-field {
    align-items: stretch;
    flex-direction: column;
  }

  .copy-email-button {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}