/* 第5套 web · 展览馆 / 画廊 */
:root {
  --wall: #e8dfd2;
  --wall-deep: #d4c8b4;
  --paper: #fbf6ee;
  --ink: #2b2721;
  --mute: #6d6558;
  --sage: #5d7358;
  --sage-deep: #3e513c;
  --sage-soft: #dfe6d7;
  --bronze: #8b7048;
  --frame: #cfc2ad;
  --card: #fffdf8;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 12% 0%, rgba(255, 255, 255, 0.42), transparent 46%),
    radial-gradient(ellipse at 88% 100%, rgba(93, 115, 88, 0.1), transparent 42%),
    var(--wall);
  color: var(--ink);
  font-family: "Palatino Linotype", Palatino, "Songti SC", "STSong", "SimSun", "Microsoft YaHei", serif;
  font-size: 17px;
  line-height: 1.85;
}

img,
svg {
  max-width: 100%;
  vertical-align: middle;
}

a {
  color: var(--sage-deep);
}

a:hover {
  color: var(--sage);
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 30;
  background: var(--paper);
  padding: 6px 10px;
}

.plaque {
  width: min(1080px, calc(100% - 48px));
  margin: 28px auto 0;
  padding: 18px 28px;
  background: var(--paper);
  border: 1px solid var(--frame);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 1.15rem;
  font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

.brand svg {
  width: 28px;
  height: 28px;
  color: var(--sage);
}

.brand:hover {
  color: var(--sage-deep);
}

.nav {
  display: flex;
  gap: 22px;
  font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  font-size: 0.92rem;
}

.nav a {
  text-decoration: none;
  color: var(--mute);
  padding: 4px 0;
}

.nav a.is-on,
.nav a[aria-current="page"] {
  color: var(--sage-deep);
  box-shadow: inset 0 -2px 0 var(--sage);
}

.nav a:hover {
  color: var(--sage-deep);
}

.hall-note {
  width: min(1080px, calc(100% - 48px));
  margin: 18px auto 0;
  color: var(--mute);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
}

.hall {
  width: min(920px, calc(100% - 48px));
  margin: 22px auto 56px;
}

.wall {
  background: var(--paper);
  border: 1px solid var(--frame);
  padding: 2.6rem 3rem 2.4rem;
  margin: 0 0 2.6rem;
}

.wall:last-child {
  margin-bottom: 0;
}

.label {
  margin: 0 0 0.7rem;
  color: var(--sage);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
}

h1,
h2,
h3 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

h1 {
  margin: 0 0 1rem;
  font-size: 2rem;
}

h2 {
  margin: 0 0 0.85rem;
  font-size: 1.38rem;
}

h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
}

.caption {
  margin: 0 0 1.15rem;
  padding: 0 0 0 0.85rem;
  border-left: 2px solid var(--sage);
  color: var(--mute);
  font-size: 0.92rem;
  font-style: italic;
}

.wall p {
  margin: 0 0 0.95rem;
}

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

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 1.2rem 0 0.4rem;
}

.btn,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.62rem 1.05rem;
  text-decoration: none;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

.btn {
  background: var(--sage-deep);
  color: #f7f3ea;
  border: 1px solid var(--sage-deep);
}

.btn:hover {
  background: var(--sage);
  border-color: var(--sage);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--sage-deep);
  border: 1px solid var(--frame);
}

.btn-ghost:hover {
  border-color: var(--sage);
  color: var(--sage-deep);
}

.btn svg,
.btn-ghost svg {
  width: 16px;
  height: 16px;
}

.strip {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 0.35rem 0 1rem;
  margin: 0.4rem 0 0.8rem;
}

.strip article,
.card {
  background: var(--card);
  border: 1px solid var(--frame);
  padding: 1.15rem 1.2rem 1.05rem;
}

.strip article {
  flex: 0 0 min(230px, 74vw);
}

.strip h3,
.card h3 {
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}

.strip p,
.card p {
  margin: 0;
  color: var(--mute);
  font-size: 0.92rem;
}

.wide {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--frame);
  padding: 1.35rem 1.4rem 1.2rem;
  margin: 0 0 1rem;
}

.table-wrap {
  overflow-x: auto;
  margin: 0.8rem 0 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  font-size: 0.95rem;
}

th,
td {
  border: 1px solid var(--frame);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--sage-soft);
  color: var(--sage-deep);
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  font-weight: 700;
}

.faq {
  margin-top: 0.6rem;
}

.faq article {
  background: var(--card);
  border: 1px solid var(--frame);
  padding: 1.1rem 1.2rem;
  margin: 0 0 0.85rem;
}

.faq article:last-child {
  margin-bottom: 0;
}

.site-footer {
  width: min(920px, calc(100% - 48px));
  margin: 0 auto 48px;
  padding-top: 8px;
  color: var(--mute);
  font-size: 0.9rem;
  font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}

.site-footer p {
  margin: 0 0 0.45rem;
}

.site-footer .safe {
  color: var(--sage-deep);
}

@media (max-width: 720px) {
  .plaque,
  .hall-note,
  .hall,
  .site-footer {
    width: calc(100% - 24px);
  }

  .plaque {
    margin-top: 14px;
    padding: 14px 16px;
  }

  .wall {
    padding: 1.6rem 1.2rem 1.45rem;
    margin-bottom: 1.6rem;
  }

  h1 {
    font-size: 1.45rem;
  }

  h2 {
    font-size: 1.18rem;
  }
}