:root {
  color-scheme: light;
  --paper: #f6f0df;
  --paper-deep: #e7dbc0;
  --ink: #1e2420;
  --muted: #68726a;
  --line: rgba(42, 37, 25, 0.16);
  --red: #9d2f25;
  --red-deep: #6f1f18;
  --green: #2e6759;
  --gold: #a36f2b;
  --white: #fffaf0;
  --shadow: 0 18px 45px rgba(37, 28, 12, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Serif SC", "Songti SC", "Microsoft YaHei", serif;
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: url("/assets/paper-texture.png");
  background-size: 560px 560px;
  opacity: 0.36;
  z-index: -1;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 22px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(246, 240, 223, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.seal {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--red);
  color: var(--white);
  border-radius: 6px;
  font-weight: 800;
  box-shadow: inset 0 0 0 2px rgba(255, 250, 240, 0.45);
}

.brand strong {
  display: block;
  font-size: 17px;
  letter-spacing: 0;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-family: "Microsoft YaHei", sans-serif;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vw, 28px);
  flex: 1;
  font-size: 15px;
}

.nav a,
.admin-link,
.text-link {
  color: var(--green);
  font-weight: 700;
}

.admin-link {
  min-width: max-content;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  align-items: end;
  gap: clamp(28px, 5vw, 64px);
  padding: clamp(76px, 11vw, 140px) clamp(20px, 6vw, 84px) clamp(36px, 6vw, 72px);
  background:
    linear-gradient(90deg, rgba(246, 240, 223, 0.95), rgba(246, 240, 223, 0.75) 44%, rgba(246, 240, 223, 0.36)),
    url("/assets/hero-ink.png") right center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 780px;
}

.eyebrow,
.section-kicker {
  color: var(--red);
  font-weight: 800;
  margin: 0 0 10px;
  font-family: "Microsoft YaHei", sans-serif;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(76px, 14vw, 184px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 5vw, 56px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-copy p:not(.eyebrow),
.lead {
  font-size: clamp(18px, 2vw, 22px);
  color: #394238;
}

.hero-actions,
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.primary-btn,
.ghost-btn,
button {
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  padding: 11px 18px;
  font: 800 15px/1 "Microsoft YaHei", sans-serif;
  cursor: pointer;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--red);
  color: var(--white);
  box-shadow: 0 10px 20px rgba(112, 31, 24, 0.18);
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(46, 103, 89, 0.32);
  background: rgba(255, 250, 240, 0.62);
  color: var(--green);
}

.hero-panel {
  padding: 22px;
  background: rgba(255, 250, 240, 0.8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero-panel dl,
.hero-panel dd {
  margin: 0;
}

.hero-panel div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:last-child {
  border-bottom: 0;
}

.hero-panel dt {
  color: var(--muted);
  font-size: 13px;
  font-family: "Microsoft YaHei", sans-serif;
}

.hero-panel dd {
  font-size: 18px;
  font-weight: 800;
}

.notice-strip {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 14px clamp(20px, 6vw, 84px);
  background: var(--ink);
  color: var(--white);
}

.notice-strip span {
  color: #f0c36f;
  font-weight: 900;
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 6vw, 84px);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 86px);
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.facts div,
.card,
.member-card,
.activity-item,
.qr-box {
  background: rgba(255, 250, 240, 0.74);
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(37, 28, 12, 0.08);
}

.facts div {
  padding: 18px;
}

.facts strong,
.facts span {
  display: block;
}

.facts span,
.card-meta {
  color: var(--muted);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  padding: 22px;
}

.card time {
  color: var(--red);
  font-weight: 800;
  font-family: "Microsoft YaHei", sans-serif;
}

.ink-band {
  background:
    linear-gradient(rgba(246, 240, 223, 0.82), rgba(246, 240, 223, 0.95)),
    url("/assets/ink-wash.png") center / cover no-repeat;
  border-block: 1px solid var(--line);
}

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

.art-card {
  background: rgba(255, 250, 240, 0.8);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.art-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--paper-deep);
}

.art-card div {
  padding: 18px;
}

.activity-list {
  display: grid;
  gap: 22px;
}

.activity-item {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 22px;
  padding: 18px;
}

.activity-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.member-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.member-card {
  padding: 20px;
}

.form-section,
.upload-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.55fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 60px);
}

.panel-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: clamp(20px, 4vw, 34px);
  background: rgba(255, 250, 240, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 7px;
  color: #2c362f;
  font-weight: 800;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(42, 37, 25, 0.2);
  border-radius: 6px;
  background: rgba(255, 252, 245, 0.86);
  color: var(--ink);
  padding: 11px 12px;
  font: 15px/1.5 "Microsoft YaHei", sans-serif;
}

textarea {
  resize: vertical;
}

.wide {
  grid-column: 1 / -1;
}

.file-label input {
  background: rgba(255, 252, 245, 0.62);
}

.form-message {
  min-height: 24px;
  margin: 0;
  color: var(--green);
  font-weight: 800;
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 28px;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.contact-band .section-kicker {
  color: #f0c36f;
}

.qr-box {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 20px;
  color: var(--ink);
}

.qr-box img {
  width: min(100%, 240px);
  aspect-ratio: 1;
  object-fit: contain;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px clamp(20px, 6vw, 84px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .two-column,
  .form-section,
  .upload-section,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .grid.three,
  .art-grid,
  .member-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: auto;
    padding-top: 68px;
  }

  .hero-actions,
  .facts,
  .panel-form,
  .grid.three,
  .art-grid,
  .member-list,
  .activity-item {
    grid-template-columns: 1fr;
  }

  .primary-btn,
  .ghost-btn {
    width: 100%;
  }
}

.admin-body {
  background: #f3ead4;
}

.admin-top .nav button {
  min-height: 38px;
  background: transparent;
  color: var(--green);
  box-shadow: none;
}

.admin-top .nav button.active {
  background: rgba(46, 103, 89, 0.12);
}

.admin-shell {
  padding: clamp(26px, 5vw, 58px);
}

.login-panel {
  max-width: 560px;
  margin: 8vh auto;
}

.login-panel h1,
.admin-heading h1 {
  font-size: clamp(38px, 7vw, 72px);
}

.admin-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.admin-section {
  margin-bottom: 28px;
  padding: 24px;
  background: rgba(255, 250, 240, 0.68);
  border: 1px solid var(--line);
}

.admin-section h2 {
  font-size: 26px;
}

.editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.list-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.list-title button,
.editor-actions button,
.record-actions button {
  border: 1px solid rgba(46, 103, 89, 0.26);
  background: rgba(255, 250, 240, 0.74);
  color: var(--green);
}

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

.editor-item,
.record-item {
  padding: 18px;
  background: rgba(255, 252, 245, 0.78);
  border: 1px solid var(--line);
}

.editor-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.admin-records {
  display: grid;
  gap: 16px;
}

.record-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 220px);
  gap: 18px;
}

.record-item h3 span {
  color: var(--muted);
  font-size: 15px;
}

.record-actions {
  display: grid;
  align-content: start;
  gap: 10px;
}

.upload-record {
  grid-template-columns: 180px minmax(0, 1fr) minmax(160px, 220px);
}

.upload-record img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--paper-deep);
}

@media (max-width: 780px) {
  .admin-heading,
  .record-item,
  .upload-record,
  .editor-grid {
    grid-template-columns: 1fr;
  }

  .admin-heading {
    display: grid;
  }
}