:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-strong: #f7f9fc;
  --ink: #213047;
  --muted: #5f6e83;
  --line: rgba(28, 47, 76, 0.12);
  --brand: #1980df;
  --brand-strong: #0f63b1;
  --accent: #d63a29;
  --accent-strong: #b82718;
  --shadow: 0 10px 28px rgba(28, 47, 76, 0.08);
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: #f4f6fa;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  width: min(960px, calc(100% - 20px));
  margin: 0 auto;
}

.modal__title  strong {
  color: #C62828;
}

.utility-bar {
  background: #f4f4f4;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.utility-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  color: #5a6778;
  font-size: 0.88rem;
}

.utility-bar__links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-header {
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid rgba(16, 59, 109, 0.12);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  padding: 6px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand__mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 10px 20px rgba(227, 59, 46, 0.22);
}

.brand__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand__meta {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.search-wrap {
  width: min(520px, 100%);
}

.search-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.search-tabs span {
  padding: 6px 12px;
  border-radius: 999px;
  background: #f3f7fd;
  color: var(--brand-strong);
  font-size: 0.88rem;
}

.search-bar {
  display: flex;
  gap: 10px;
}

.search-bar input {
  flex: 1;
  height: 42px;
  padding: 0 14px;
  border: 1px solid #c8d9ec;
  border-radius: 4px;
  color: var(--muted);
  font: inherit;
}

.main-nav {
  background: linear-gradient(180deg, #1780de 0%, #0d68bf 100%);
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.18);
}

.main-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
}

.main-nav__links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.main-nav__links a,
.main-nav__promo {
  color: #fff;
  font-size: 0.95rem;
}

.hero {
  padding: 16px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 250px;
  gap: 10px;
}

.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow);
}

.hero-card,
.sidebar-card,
.article-card,
.stats-card {
  padding: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(227, 59, 46, 0.1);
  font-size: 0.88rem;
  font-weight: 600;
}

.hero-title {
  margin: 14px 0 12px;
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  line-height: 1.25;
}

.hero-copy,
.section-note,
.stats-card p,
.info-card p,
.notice-item p,
.sidebar-list,
.article-body,


.home-bullets {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.home-bullets div {
  padding: 12px 14px;
  border-radius: 6px;
  background: #f9fbff;
  border: 1px solid rgba(29, 120, 208, 0.1);
}

.hero-actions,
.article-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 20px;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  color: #fff;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 10px 20px rgba(227, 59, 46, 0.22);
}

.button--secondary {
  color: var(--ink);
  border: 1px solid #c9d8ea;
  background: rgba(255, 255, 255, 0.92);
}

.stats-card {
  display: grid;
  gap: 14px;
}

.stats-card h2,
.sidebar-card h3,
.info-card h3 {
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-tile {
  padding: 16px;
  border-radius: 6px;
  background: #f7fbff;
  border: 1px solid rgba(29, 120, 208, 0.12);
}

.stat-tile strong {
  display: block;
  font-size: 1.4rem;
}

.stat-tile span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 8px 0 22px;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.section-title {
  margin: 0;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.info-card {
  padding: 16px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 10px;
}

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

.notice-item {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.notice-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.04rem;
}

.notice-item span {
  color: var(--brand);
  font-size: 0.9rem;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(31, 42, 55, 0.08);
  background: #fff;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-footer__links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.floating-trigger {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border: 0;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 18px 38px rgba(190, 37, 25, 0.28);
  font: inherit;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.floating-trigger:hover,
.floating-trigger:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 46px rgba(190, 37, 25, 0.32);
}

.modal a{color: #C62828;
  text-decoration: none;
  margin-right: 15px;}
.floating-trigger__badge {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 700;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

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

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 25, 34, 0.56);
  backdrop-filter: blur(8px);
}

.modal__dialog {
  position: relative;
  width: min(760px, calc(100% - 24px));
  margin: min(82vh, 300px) auto 0;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 251, 255, 0.98) 100%);
  box-shadow: 0 28px 90px rgba(15, 23, 38, 0.26);
}

.modal__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.modal__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.2rem);
}

.modal__close {
  flex: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(31, 42, 55, 0.08);
  color: var(--ink);
  font-size: 1.2rem;
  cursor: pointer;
}

.modal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.modal-link {
  padding: 22px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.modal-link:hover,
.modal-link:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(29, 120, 208, 0.34);
}

.modal-link__tag {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--brand-strong);
  background: rgba(29, 120, 208, 0.1);
}

.modal-link strong {
  display: block;
  font-size: 1.1rem;
  line-height: 1.5;
}

.article-shell {
  padding: 34px 0 72px;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.article-layout {
  grid-template-columns: minmax(0, 1fr) 300px;
}

.article-title {
  margin: 0;
  font-size: clamp(1.8rem, 2.8vw, 2.6rem);
  line-height: 1.2;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

.article-body p,
.article-body li {
  margin: 0 0 14px;
}

.article-body h2 {
  margin: 28px 0 14px;
  font-size: 1.16rem;
  color: var(--brand-strong);
}

.article-body ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.article-body .source {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed rgba(31, 42, 55, 0.16);
  color: var(--muted);
  font-size: 0.94rem;
}

.article-side {
  display: grid;
  gap: 18px;
  align-self: start;
}

.article-side .sidebar-card {
  position: sticky;
  top: 24px;
}

.article-links,
.mini-links {
  display: grid;
  gap: 10px;
}

.article-link,
.mini-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  background: #f5f9ff;
  border: 1px solid rgba(29, 120, 208, 0.12);
  line-height: 1.7;
}

.classic-list {
  margin: 0;
  padding-left: 18px;
  line-height: 1.8;
  color: var(--muted);
}

.classic-list li {
  margin-bottom: 8px;
}

.modal__actions {
  display: flex;
  justify-content: center;
  margin-top: 18px;
}

@media (max-width: 960px) {
  .hero-grid,
  .two-col,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .cards,
  .modal-grid {
    grid-template-columns: 1fr;
  }

  .article-side .sidebar-card {
    position: static;
  }
}

@media (max-width: 720px) {
  .utility-bar__inner,
  .site-header__inner,
  .main-nav__inner,
  .section-header,
  .site-footer__inner {
    align-items: start;
    flex-direction: column;
  }

  .search-bar,
  .hero-actions,
  .article-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .notice-item {
    flex-direction: column;
  }

  .floating-trigger {
    right: 16px;
    bottom: 16px;
  }
}