/* ============================================================
   耀阳周报 · 线上存档
   视觉概念:手账纸贴墙 / 读报亭 —— 米黄纸底、陶土棕主色、
   封面如随手贴上的印刷样张,每期像一本翻开的竖版小册子。
   ============================================================ */

:root {
  --bg: #f4ebdb;
  --bg-2: #eadfc5;
  --card: #fffaf0;
  --paper-dark: #e3d3b0;
  --ink: #46352a;
  --ink-2: #85705c;
  --brick: #a3452f;
  --brick-deep: #7c2f1d;
  --gold: #c59b52;
  --gold-soft: rgba(197, 155, 82, 0.5);
  --line: rgba(70, 53, 42, 0.16);
  --shadow: 0 18px 34px -22px rgba(70, 45, 20, 0.5);
  --shadow-sm: 0 8px 18px -12px rgba(70, 45, 20, 0.35);
  --font-display: "Kaiti SC", "STKaiti", "KaiTi", "楷体", "Songti SC", serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  background:
    radial-gradient(circle at 12% 6%, rgba(197, 155, 82, 0.14), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(163, 69, 47, 0.08), transparent 30%),
    linear-gradient(180deg, #f6eedd 0%, var(--bg) 42%, #efe3c9 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* 纸纹噪点,盖在整页上制造印刷颗粒感 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 120;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--brick); text-decoration: none; }
img { display: block; }

/* ---------- 视图切换 ---------- */
.view { display: none; }
.view.active { display: block; animation: view-in 0.45s ease both; }

@keyframes view-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ============================================================
   主页报头
   ============================================================ */
.masthead { padding: 56px 20px 30px; text-align: center; }

.medallion {
  width: 118px;
  height: 118px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: #fdf6e7;
  box-shadow: var(--shadow-sm), inset 0 0 0 1px rgba(70, 53, 42, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.masthead:hover .medallion {
  transform: rotate(-4deg) scale(1.04);
  box-shadow: var(--shadow);
}
.medallion img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.mast-kicker {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--gold);
  text-indent: 0.42em;
}

.mast-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--brick);
  letter-spacing: 0.08em;
}

.mast-en {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(13px, 2.4vw, 16px);
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

.mast-count {
  margin: 22px auto 0;
  display: inline-block;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--ink-2);
  border-top: 1px dashed var(--line);
  border-bottom: 1px dashed var(--line);
}

/* ============================================================
   归档网格
   ============================================================ */
.archive { max-width: 1120px; margin: 0 auto; padding: 24px 18px 20px; }

.issue-grid {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(205px, 1fr));
  gap: 30px 22px;
}

.issue-item {
  animation: rise-in 0.6s ease both;
  animation-delay: calc(var(--i, 0) * 45ms);
}
@keyframes rise-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

.issue-card {
  position: relative;
  display: flex;
  flex-direction: column;
  margin-top: 16px;
  padding: 10px 10px 12px;
  background: var(--card);
  border: 1px solid rgba(70, 53, 42, 0.09);
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform: rotate(var(--tilt, 0.5deg));
  transition: transform 0.32s cubic-bezier(0.2, 0.8, 0.25, 1), box-shadow 0.32s ease;
}
.issue-card:hover {
  transform: rotate(0deg) translateY(-6px);
  box-shadow: 0 26px 44px -24px rgba(70, 45, 20, 0.6);
}

.card-cover {
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 4px;
  background: var(--bg-2);
}

/* 纸胶带 */
.tape {
  position: absolute;
  top: -12px;
  left: 50%;
  width: 92px;
  height: 22px;
  margin-left: -46px;
  z-index: 2;
  background: linear-gradient(180deg, rgba(214, 178, 112, 0.72), rgba(196, 158, 96, 0.62));
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(60, 40, 15, 0.18);
  transform: rotate(-2.5deg);
  opacity: 0.9;
  pointer-events: none;
}
.tape::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1px;
  background: rgba(255, 255, 255, 0.4);
  transform: translateY(-50%);
}

.card-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 4px 2px;
  text-align: left;
}
.card-ord {
  align-self: flex-start;
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--gold);
  background: rgba(197, 155, 82, 0.16);
  border-radius: 99px;
  padding: 1px 10px;
  margin-bottom: 6px;
}
.card-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--brick-deep);
}
.card-date {
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.issue-error {
  grid-column: 1 / -1;
  padding: 28px;
  text-align: center;
  color: var(--brick-deep);
  background: rgba(255, 250, 240, 0.7);
  border: 1px dashed rgba(163, 69, 47, 0.4);
  border-radius: 10px;
}
.issue-error code { background: var(--bg-2); padding: 1px 6px; border-radius: 4px; }

/* ============================================================
   阅读页
   ============================================================ */
.reader-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(246, 238, 221, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.bar-back {
  flex: 0 0 auto;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 13px;
  color: var(--ink);
  background: rgba(255, 250, 240, 0.8);
  border: 1px solid var(--line);
  transition: border-color 0.2s, color 0.2s;
}
.bar-back:hover { color: var(--brick); border-color: var(--brick); }

.bar-title {
  flex: 1 1 auto;
  min-width: 0;
  text-align: center;
}
.bar-title h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--brick-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bar-title p {
  margin: 1px 0 0;
  font-size: 11px;
  color: var(--ink-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-arrows { flex: 0 0 auto; display: flex; gap: 6px; }
.bar-arrows button {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--brick);
  font-size: 19px;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s, background 0.18s, box-shadow 0.18s;
}
.bar-arrows button:hover:not(:disabled) {
  transform: translateY(-1px);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.bar-arrows button:disabled { opacity: 0.35; cursor: default; }

/* 阅读主体:窄栏,像一本竖开小册子 */
.reader {
  max-width: 560px;
  margin: 0 auto;
  padding: 30px 14px 8px;
}

.reader-intro { text-align: center; margin-bottom: 6px; }
.reader-hint {
  display: inline-block;
  margin: 0;
  padding: 5px 16px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 99px;
  background: rgba(255, 250, 240, 0.65);
  border: 1px dashed rgba(70, 53, 42, 0.22);
}

.pages { display: flex; flex-direction: column; gap: 26px; padding: 18px 0 6px; }

.page {
  margin: 0;
  padding: 12px;
  background: var(--card);
  border: 1px solid rgba(70, 53, 42, 0.08);
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
}
.page img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  background: #f1e6cf;
}
.page-original {
  display: inline-block;
  margin: 10px auto 2px;
  font-size: 12px;
  color: var(--ink-2);
  border-bottom: 1px dashed var(--line);
  transition: color 0.2s, border-color 0.2s;
}
.page-original:hover { color: var(--brick); border-color: var(--brick); }

/* 底部期次导航 */
.issue-nav { padding: 22px 0 6px; }
.issue-nav-solo {
  margin: 0;
  padding: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-2);
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: rgba(255, 250, 240, 0.6);
}

.issue-nav-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.issue-nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid rgba(70, 53, 42, 0.1);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}
.issue-nav-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.issue-nav-btn.is-empty { opacity: 0.45; pointer-events: none; }
.issue-nav-btn.next { text-align: right; flex-direction: row-reverse; }

.issue-nav-arrow {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 17px;
  color: var(--card);
  background: var(--brick);
}
.issue-nav-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}
.issue-nav-label { font-size: 12px; color: var(--gold); }
.issue-nav-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--brick-deep);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.to-top { text-align: center; padding: 14px 0 8px; }
.to-top a { font-size: 13px; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.to-top a:hover { color: var(--brick); }

/* ---------- 页脚 ---------- */
.site-footer {
  text-align: center;
  padding: 26px 18px 40px;
  color: var(--ink-2);
  font-size: 12px;
  letter-spacing: 0.1em;
}
.site-footer p { margin: 4px 0; }
.site-footer .site-footer-note {
  font-size: 11px;
  letter-spacing: 0.04em;
  opacity: 0.75;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 560px) {
  .archive { padding: 14px 12px; }
  .issue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
  .card-name { font-size: 16px; }
  .card-date { font-size: 11px; }
  .masthead { padding-top: 42px; }
  .reader-bar { padding: 10px 10px; }
  .reader { padding-top: 20px; }
  .pages { gap: 20px; }
  .page { padding: 8px; }
}

@media (max-width: 360px) {
  .bar-title h1 { font-size: 15px; }
  .issue-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}