:root {
  --ev-bg: #ffffff;
  --ev-page-bg: #f7f7f8;
  --ev-text: #0f172a;
  --ev-muted: #64748b;
  --ev-line: #e2e8f0;
  --ev-line-soft: #f1f5f9;
  --ev-navy: #0c1f62;
  --ev-blue: #1b49b1;
  --ev-brand1: #0ea5e9;
  --ev-brand2: #10b981;
  --ev-brand3: #8b5cf6;
  --ev-font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, sans-serif;
}

.ev-hero {
  box-sizing: border-box;
  max-width: 860px;
  margin: 16px auto 20px;
  padding: 28px 28px 50px;
  background: linear-gradient(135deg, #f0f9ff 0%, #ecfdf5 100%);
  border: 1px solid var(--ev-line);
  border-radius: 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  font-family: var(--ev-font);
  overflow: hidden;
}

.ev-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ev-navy);
  letter-spacing: -0.01em;
}

.ev-hero p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ev-muted);
}

.ev-hero strong {
  color: var(--ev-navy);
  font-weight: 700;
}

.ev-intro {
  max-width: 860px;
  margin: 0 auto 24px;
  padding: 0 4px;
  font-family: var(--ev-font);
  font-size: 15px;
  line-height: 1.7;
  color: #334155;
}

.ev-intro p {
  margin: 0;
}

.ev-intro strong {
  color: var(--ev-navy);
  font-weight: 600;
}

.ev-intro em {
  font-style: normal;
  color: var(--ev-blue);
}

.ev-section-heading {
  max-width: 860px;
  margin: 14px auto 14px;
  padding: 0 4px;
  font-family: var(--ev-font);
  font-size: 20px;
  font-weight: 700;
  color: var(--ev-navy);
  letter-spacing: -0.01em;
}

.ev-about {
  max-width: 860px;
  margin: 36px auto 0;
  padding: 28px;
  background: #f8fafc;
  border: 1px solid var(--ev-line);
  border-radius: 14px;
  font-family: var(--ev-font);
}

.ev-about h2 {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 700;
  color: var(--ev-navy);
  letter-spacing: -0.01em;
}

.ev-about p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: #334155;
}

.ev-about p:last-child {
  margin-bottom: 0;
}

.ev-about strong {
  color: var(--ev-navy);
  font-weight: 600;
}

.ev-filters {
  max-width: 860px;
  margin: 0 auto 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 4px;
  font-family: var(--ev-font);
}

.ev-filter-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ev-navy);
  align-self: center;
  margin-right: 4px;
}

.ev-filter-btn {
  border: 1px solid var(--ev-line);
  background: #fff;
  color: var(--ev-navy);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--ev-font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ev-filter-btn:hover {
  border-color: var(--ev-brand1);
  color: var(--ev-brand1);
  transform: translateY(-1px);
}

.ev-filter-btn[aria-pressed="true"] {
  background: var(--ev-navy);
  color: #fff;
  border-color: var(--ev-navy);
}

.ev-filter-btn .ev-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.ev-filter-btn[data-cat="nano"] .ev-dot     { background: var(--ev-brand1); }
.ev-filter-btn[data-cat="biotech"] .ev-dot  { background: var(--ev-brand2); }
.ev-filter-btn[data-cat="nanobio"] .ev-dot  {
  background: linear-gradient(135deg, var(--ev-brand1), var(--ev-brand2));
}
.ev-filter-btn[data-cat="quantum"] .ev-dot  { background: var(--ev-brand3); }

.ev-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: var(--ev-font);
}

.ev-list[hidden] {
  display: none;
}

.ev-card {
  position: relative;
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--ev-line);
  border-radius: 14px;
  padding: 18px 20px 18px 16px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  overflow: hidden;
}

.ev-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
}

.ev-card[data-cat="nano"]::before    { background: var(--ev-brand1); }
.ev-card[data-cat="biotech"]::before { background: var(--ev-brand2); }
.ev-card[data-cat="nanobio"]::before {
  background: linear-gradient(180deg, var(--ev-brand1) 0%, var(--ev-brand2) 100%);
}
.ev-card[data-cat="quantum"]::before { background: var(--ev-brand3); }

.ev-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -8px rgba(12, 31, 98, 0.15);
  border-color: #cbd5e1;
}

.ev-date {
  background: #f8fafc;
  border: 1px solid var(--ev-line);
  border-radius: 10px;
  padding: 8px 4px;
  text-align: center;
  align-self: start;
  min-width: 78px;
}

.ev-date-month {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ev-brand1);
  margin-bottom: 2px;
}

.ev-date-days {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--ev-navy);
  line-height: 1.15;
}

.ev-date-year {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--ev-muted);
  margin-top: 2px;
}

.ev-body {
  min-width: 0;
}

.ev-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 6px;
}

.ev-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ev-navy);
}

.ev-title a {
  color: inherit;
  text-decoration: none;
  background-image: linear-gradient(var(--ev-brand1), var(--ev-brand1));
  background-size: 0% 1.5px;
  background-repeat: no-repeat;
  background-position: 0 100%;
  transition: background-size 0.25s ease, color 0.18s ease;
  padding-bottom: 1px;
}

.ev-title a:hover {
  color: var(--ev-brand1);
  background-size: 100% 1.5px;
}

.ev-badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.ev-badge[data-cat="nano"] {
  background: #e0f2fe;
  color: #075985;
}

.ev-badge[data-cat="biotech"] {
  background: #d1fae5;
  color: #065f46;
}

.ev-badge[data-cat="nanobio"] {
  background: linear-gradient(135deg, #e0f2fe 0%, #d1fae5 100%);
  color: #0c4a6e;
}

.ev-badge[data-cat="quantum"] {
  background: #ede9fe;
  color: #5b21b6;
}

.ev-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--ev-muted);
  margin-top: 2px;
}

.ev-location svg {
  flex-shrink: 0 !important;
  width: 14px !important;
  height: 14px !important;
  min-width: 14px;
  max-width: 14px;
  color: var(--ev-brand1);
}

.ev-location.ev-online svg {
  color: var(--ev-brand2);
}

.ev-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.ev-topic {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 9px;
  background: #f1f5f9;
  color: #334155;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.3;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ev-topic:hover {
  background: #fff;
  border-color: #cbd5e1;
  color: var(--ev-navy);
}

.ev-topic-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #94a3b8;
  flex-shrink: 0;
}

.ev-topic[data-cat="nano"]    .ev-topic-dot { background: var(--ev-brand1); }
.ev-topic[data-cat="biotech"] .ev-topic-dot { background: var(--ev-brand2); }
.ev-topic[data-cat="nanobio"] .ev-topic-dot {
  background: linear-gradient(135deg, var(--ev-brand1), var(--ev-brand2));
}
.ev-topic[data-cat="quantum"] .ev-topic-dot { background: var(--ev-brand3); }

.ev-empty {
  display: none;
  max-width: 860px;
  margin: 8px auto 0;
  padding: 24px;
  background: #f8fafc;
  border: 1px dashed var(--ev-line);
  border-radius: 12px;
  text-align: center;
  color: var(--ev-muted);
  font-family: var(--ev-font);
  font-size: 15px;
}

.ev-sidebar {
  font-family: var(--ev-font);
}

.ev-sidebar h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ev-navy);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ev-line-soft);
}

.ev-month-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ev-month-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ev-navy);
  font-size: 15px;
  font-weight: 500;
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.ev-month-link:hover {
  background: #f0f9ff;
  transform: translateX(2px);
}

.ev-month-count {
  font-size: 12px;
  font-weight: 700;
  background: #e0f2fe;
  color: #075985;
  padding: 2px 8px;
  border-radius: 999px;
  min-width: 24px;
  text-align: center;
}

.ev-month-link:hover .ev-month-count {
  background: var(--ev-brand1);
  color: #fff;
}

@media (max-width: 720px) {
  .ev-hero {
    padding: 22px 18px;
    margin: 12px 8px 16px;
  }

  .ev-filters {
    padding: 0 8px;
  }

  .ev-filter-label {
    width: 100%;
    margin-bottom: 4px;
  }

  .ev-list {
    padding: 0 8px;
  }

  .ev-card {
    grid-template-columns: 64px 1fr;
    gap: 14px;
    padding: 14px 16px 14px 14px;
  }

  .ev-date {
    min-width: 64px;
    padding: 6px 2px;
  }

  .ev-date-days {
    font-size: 15px;
  }

  .ev-card-head {
    flex-direction: column;
    gap: 6px;
  }

  .ev-badge {
    align-self: flex-start;
  }

  .ev-title {
    font-size: 16px;
  }

  .ev-topics {
    gap: 5px;
    margin-top: 8px;
  }

  .ev-topic {
    font-size: 11.5px;
    padding: 3px 9px 3px 8px;
  }

  .ev-intro,
  .ev-section-heading {
    padding: 0 12px;
  }

  .ev-about {
    margin: 28px 8px 0;
    padding: 22px 18px;
  }

  .ev-about h2 {
    font-size: 20px;
  }
}

.ev-breadcrumb {
  max-width: 860px;
  margin: 12px auto 8px;
  padding: 0 4px;
  font-family: var(--ev-font);
  font-size: 14px;
}

.ev-breadcrumb a {
  color: var(--ev-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}

.ev-breadcrumb a:hover {
  color: var(--ev-brand1);
}

.ev-month-nav {
  max-width: 860px;
  margin: 8px auto 24px;
  padding: 0 4px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  font-family: var(--ev-font);
}

.ev-month-nav-bottom {
  margin: 32px auto 8px;
}

.ev-month-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #fff;
  border: 1px solid var(--ev-line);
  border-radius: 12px;
  color: var(--ev-navy);
  text-decoration: none;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.ev-month-nav-link:hover {
  transform: translateY(-1px);
  border-color: var(--ev-brand1);
  box-shadow: 0 8px 16px -8px rgba(12, 31, 98, 0.15);
}

.ev-month-nav-next {
  justify-content: flex-end;
  text-align: right;
}

.ev-month-nav-arrow {
  font-size: 20px;
  font-weight: 700;
  color: var(--ev-brand1);
  flex-shrink: 0;
}

.ev-month-nav-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.ev-month-nav-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ev-muted);
  margin-bottom: 2px;
}

.ev-month-nav-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--ev-navy);
}

.ev-month-link.ev-month-current {
  background: #f0f9ff;
  font-weight: 700;
  color: var(--ev-brand1);
}

.ev-month-link.ev-month-current .ev-month-count {
  background: var(--ev-brand1);
  color: #fff;
}

@media (max-width: 720px) {
  .ev-breadcrumb,
  .ev-month-nav {
    padding: 0 12px;
  }

  .ev-month-nav-link {
    padding: 12px 14px;
    gap: 10px;
  }

  .ev-month-nav-value {
    font-size: 14px;
  }
}

.ev-detail {
  max-width: 860px;
  margin: 0 auto;
  font-family: var(--ev-font);
  color: #1f2937;
  font-size: 16px;
  line-height: 1.7;
}

.ev-detail-head {
  padding: 0 0 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--ev-line);
}

.ev-detail-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.ev-detail-title-row h1 {
  margin: 0 !important;
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ev-navy);
  letter-spacing: -0.01em;
  flex: 1;
  min-width: 0;
}

.ev-badge-large {
  font-size: 12px;
  padding: 6px 14px;
  align-self: flex-start;
  margin-top: 6px;
}

.ev-detail-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.ev-detail-meta-row {
  font-size: 15px;
  color: #334155;
  line-height: 1.55;
}

.ev-detail-meta-row strong {
  color: var(--ev-navy);
  font-weight: 600;
  margin-right: 4px;
}

.ev-detail-body {
  padding: 0;
}

.ev-detail-summary {
  margin-bottom: 24px;
}

.ev-detail-summary p {
  margin: 0 !important;
  font-size: 16px;
  line-height: 1.75;
  color: #1f2937;
}

.ev-detail-fact {
  margin: 18px 0 !important;
  font-size: 15px;
  color: #334155;
  line-height: 1.6;
}

.ev-detail-fact strong {
  color: var(--ev-navy);
  font-weight: 600;
  margin-right: 4px;
}

.ev-detail-h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ev-navy);
  margin: 32px 0 14px !important;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ev-line-soft);
  letter-spacing: -0.01em;
}

.ev-detail-topics {
  margin: 12px 0 24px !important;
  padding-left: 22px !important;
  list-style: disc !important;
}

.ev-detail-topics li {
  margin: 8px 0 !important;
  line-height: 1.6;
  color: #334155;
  list-style: disc !important;
  display: list-item !important;
}

.ev-detail-topics li::marker {
  color: var(--ev-brand1);
}

.ev-detail-cta {
  display: inline-block;
  padding: 12px 24px;
  margin: 8px 0 !important;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--ev-brand1), var(--ev-brand2));
  color: #fff !important;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none !important;
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.25);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.ev-detail-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.35);
  color: #fff !important;
  text-decoration: none !important;
}

.ev-detail-cta-wrap {
  margin: 20px 0 28px;
}

.ev-detail-map {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ev-line);
}

.ev-detail-map iframe,
.ev-detail-map .stay22-widget,
.ev-detail-map > div {
  width: 100%;
  min-height: 320px;
  display: block;
  border: 0;
  border-radius: 12px;
  overflow: hidden;
}

.ev-detail-footer {
  margin-top: 32px;
  padding: 16px 0 0;
  border-top: 1px solid var(--ev-line);
  font-size: 14px;
}

.ev-detail-footer a {
  color: var(--ev-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}

.ev-detail-footer a:hover {
  color: var(--ev-brand1);
}

@media (max-width: 720px) {
  .ev-detail {
    padding: 0 12px;
  }

  .ev-detail-title-row {
    flex-direction: column;
    gap: 10px;
  }

  .ev-badge-large {
    align-self: flex-start;
    margin-top: 0;
  }

  .ev-detail-cta {
    display: block;
    text-align: center;
  }
}