/* ==========================================================
   企鹅日报 · 样式
   报纸版式：衬线标题、细分割线、大留白，黑白为主，橙色只做点缀
   ========================================================== */

:root {
  --paper: #f9f7f2;
  --paper-deep: #f1eee6;
  --ink: #14120f;
  --ink-2: #4a463f;
  --ink-3: #837c70;
  --rule: #14120f;
  --rule-soft: #d6d1c6;
  --beak: #d4622a;

  --serif: "Songti SC", "SimSun", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --max: 1040px;
  --gut: 24px;
}

* {
  box-sizing: border-box;
}

/* 兜底：任何带 hidden 的元素都不显示，避免被 display 规则覆盖（如徽标、面板） */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
  /* 给底部固定免责声明留位置 */
  padding-bottom: 52px;

  /* 极淡的纸纹 */
  background-image:
    radial-gradient(circle at 20% 0%, rgba(0, 0, 0, 0.022), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(0, 0, 0, 0.018), transparent 40%);
}

a {
  color: inherit;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gut);
}

/* ---------------- 报头 ---------------- */

.masthead {
  padding-top: 18px;
  border-top: 4px solid var(--rule);
  margin-top: 14px;
}

.masthead-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  text-transform: uppercase;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule-soft);
}

.masthead-top .mid {
  letter-spacing: 0.3em;
}

.brand {
  text-align: center;
  padding: 26px 0 20px;
}

.brand-logo {
  display: block;
  width: 96px;
  height: 96px;
  margin: 0 auto 16px;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(20, 18, 15, 0.22);
}

.brand h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(42px, 8.4vw, 82px);
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.05;
  /* 中文字距会在右侧多出一段，视觉上补偿 */
  text-indent: 0.16em;
}

.brand .en {
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.44em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-indent: 0.44em;
}

.penguin {
  display: inline-block;
  width: 34px;
  height: 34px;
  vertical-align: middle;
  margin-right: 14px;
  transform: translateY(-6px);
}

/* 导航 */

.nav {
  border-top: 1px solid var(--rule);
  border-bottom: 3px double var(--rule);
}

.nav-inner {
  display: flex;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav a {
  flex: none;
  display: block;
  padding: 11px 20px 10px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-decoration: none;
  color: var(--ink-2);
  border-right: 1px solid var(--rule-soft);
  transition: color 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}

.nav a:first-child {
  border-left: 1px solid var(--rule-soft);
}

.nav a:hover {
  color: var(--ink);
  background: var(--paper-deep);
}

.nav a.active {
  color: var(--paper);
  background: var(--ink);
}

/* ---------------- 栏目条 ---------------- */

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin: 34px 0 6px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--rule);
}

.section-head h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.12em;
  font-weight: 700;
}

.section-head .count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}

/* ---------------- 文章列表 ---------------- */

.list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.item {
  padding: 30px 0 26px;
  border-bottom: 1px solid var(--rule-soft);
}

.item:last-child {
  border-bottom: none;
}

.item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.tag {
  display: inline-block;
  padding: 3px 8px 2px;
  background: var(--ink);
  color: var(--paper);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

.time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}

.item h3 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.item h3 a {
  text-decoration: none;
}

.item h3 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.item .excerpt {
  margin: 0 0 16px;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.85;
  max-width: 62ch;
}

.read-more {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--ink);
  color: var(--ink);
  transition: background 0.16s ease, color 0.16s ease;
}

.read-more:hover {
  background: var(--ink);
  color: var(--paper);
}

/* 头条：第一条更重 */

.item.lead h3 {
  font-size: clamp(30px, 4.6vw, 42px);
  line-height: 1.28;
  letter-spacing: 0.005em;
}

.item.lead .excerpt {
  font-size: 17px;
  line-height: 1.9;
}

/* 空状态 */

.empty {
  padding: 80px 0;
  text-align: center;
  color: var(--ink-3);
  font-size: 15px;
  letter-spacing: 0.08em;
}

/* ---------------- 文章详情 ---------------- */

.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 44px 0 70px;
}

.article-head {
  text-align: center;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule-soft);
  margin-bottom: 34px;
}

.article-head h1 {
  margin: 16px 0 14px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.34;
  letter-spacing: 0.01em;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
}

.article-body p {
  margin: 0 0 1.35em;
  font-size: 17.5px;
  line-height: 2;
  color: #1c1a16;
  text-align: justify;
}

/* 首段首字下沉 */
.article-body > p:first-child::first-letter {
  float: left;
  font-size: 3.3em;
  line-height: 0.92;
  padding: 0.06em 0.12em 0 0;
  font-weight: 700;
}

.back {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-soft);
  padding-bottom: 2px;
}

.back:hover {
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------------- 页脚 ---------------- */

.foot {
  margin-top: 60px;
  padding: 26px 0 30px;
  border-top: 3px double var(--rule);
  text-align: center;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
}

/* ---------------- 底部固定免责声明 ---------------- */

.disclaimer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  background: var(--ink);
  color: #f4f1ea;
  text-align: center;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 9px 14px calc(9px + env(safe-area-inset-bottom));
  line-height: 1.5;
}

/* ---------------- 后台 ---------------- */

.admin {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 0 80px;
}

.admin h1 {
  font-size: 26px;
  letter-spacing: 0.1em;
  margin: 0 0 6px;
}

.admin .sub {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  margin-bottom: 26px;
}

.panel {
  border: 1px solid var(--rule);
  background: #fffdf9;
  padding: 22px;
  margin-bottom: 26px;
}

.panel h2 {
  margin: 0 0 16px;
  font-size: 15px;
  letter-spacing: 0.12em;
  font-family: var(--sans);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule-soft);
}

label {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
select,
textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid #b9b3a6;
  padding: 9px 11px;
  border-radius: 0;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}

textarea {
  min-height: 260px;
  line-height: 1.8;
  resize: vertical;
  font-family: var(--serif);
  font-size: 15px;
}

.field {
  margin-bottom: 16px;
}

.row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.row > * {
  flex: 1;
  min-width: 160px;
}

.btn {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  padding: 9px 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: opacity 0.16s ease;
}

.btn:hover {
  opacity: 0.82;
}

.btn.ghost {
  background: transparent;
  color: var(--ink);
}

.btn.ghost:hover {
  background: var(--paper-deep);
  opacity: 1;
}

.btn.danger {
  border-color: #a3281f;
  color: #a3281f;
  background: transparent;
}

.btn.danger:hover {
  background: #a3281f;
  color: #fff;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.hint {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-3);
  line-height: 1.7;
}

.msg {
  font-family: var(--sans);
  font-size: 13px;
  padding: 9px 12px;
  margin-bottom: 14px;
  border-left: 3px solid var(--ink);
  background: var(--paper-deep);
  display: none;
}

.msg.show {
  display: block;
}

.msg.err {
  border-left-color: #a3281f;
  color: #a3281f;
}

.msg.ok {
  border-left-color: #2f6b3a;
  color: #2f6b3a;
}

/* 字数统计与草稿提示 */

.countbar {
  display: flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 7px;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-3);
}

.countbar .count {
  font-variant-numeric: tabular-nums;
}

.countbar .count.near {
  color: #8a6a1f;
}

.countbar .count.over {
  color: #a3281f;
  font-weight: 600;
}

.draftbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  border: 1px dashed #8a6a1f;
  background: #fbf6e6;
  padding: 11px 14px;
  margin-bottom: 14px;
  font-family: var(--sans);
  font-size: 12.5px;
  color: #6d5314;
}

.draftbar[hidden] {
  display: none;
}

.draftbar b {
  font-weight: 600;
  color: var(--ink);
}

.draftbar .draft-actions {
  display: flex;
  gap: 8px;
}

.btn.small {
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* 往期目录 */

.month {
  margin-bottom: 36px;
}

.month-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 2px;
  padding-bottom: 9px;
  border-bottom: 2px solid var(--rule);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.month-n {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}

.month-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.month-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dotted var(--rule-soft);
  font-family: var(--sans);
  font-size: 14px;
}

.month-list li:last-child {
  border-bottom: none;
}

.month-list .day {
  flex: none;
  width: 1.8em;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.month-list .tag {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.04em;
  border: 1px solid var(--rule-soft);
  padding: 1px 7px;
  color: var(--ink-2);
}

.month-list a {
  flex: 1;
  min-width: 0;
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  text-overflow: ellipsis;
}

.month-list a:hover {
  text-decoration: underline;
}

@media (max-width: 560px) {
  .month-list li {
    flex-wrap: wrap;
    gap: 6px 10px;
  }

  .month-list a {
    flex-basis: 100%;
    white-space: normal;
  }
}

/* 后台文章管理列表 */

.mgr {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mgr li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--rule-soft);
  font-family: var(--sans);
  font-size: 13px;
}

.mgr li:last-child {
  border-bottom: none;
}

.mgr .mgr-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mgr .mgr-cat {
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  flex: none;
}

.mgr button {
  font-family: var(--sans);
  font-size: 12px;
  padding: 3px 10px;
  border: 1px solid #b9b3a6;
  background: transparent;
  cursor: pointer;
  flex: none;
}

.mgr button:hover {
  border-color: var(--ink);
}

.mgr button.del:hover {
  border-color: #a3281f;
  color: #a3281f;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 720px) {
  :root {
    --gut: 16px;
  }

  .masthead {
    margin-top: 0;
    padding-top: 12px;
    border-top-width: 3px;
  }

  .masthead-top {
    font-size: 9.5px;
    letter-spacing: 0.1em;
    padding-bottom: 8px;
  }

  .masthead-top .mid {
    display: none;
  }

  .brand {
    padding: 18px 0 14px;
  }

  .brand-logo {
    width: 64px;
    height: 64px;
    margin-bottom: 10px;
  }

  .penguin {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    transform: translateY(-3px);
  }

  .nav-inner {
    justify-content: flex-start;
  }

  .nav a {
    padding: 10px 14px;
    font-size: 12px;
    letter-spacing: 0.1em;
  }

  .section-head {
    margin-top: 26px;
  }

  .item {
    padding: 24px 0 22px;
  }

  .item h3 {
    font-size: 21px;
  }

  .item.lead h3 {
    font-size: 26px;
  }

  .item .excerpt {
    font-size: 14.5px;
    line-height: 1.8;
  }

  .article {
    padding: 28px 0 60px;
  }

  .article-body p {
    font-size: 16.5px;
    line-height: 1.95;
  }

  .article-body > p:first-child::first-letter {
    font-size: 2.8em;
  }

  .disclaimer {
    font-size: 11px;
    letter-spacing: 0.02em;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  }

  body {
    padding-bottom: 58px;
  }

  .admin {
    padding: 24px 0 60px;
  }

  .panel {
    padding: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* ==========================================================
   投稿页
   ========================================================== */

.brand-mini {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(24px, 4.6vw, 32px);
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand-mini img {
  width: 52px;
  height: 52px;
  border-radius: 4px;
  box-shadow: 0 1px 6px rgba(20, 18, 15, 0.2);
}

.submit-lead {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule-soft);
  padding: 18px 0 20px;
  margin-bottom: 24px;
}

.submit-lead p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
}

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

.submit-rules {
  font-family: var(--sans);
  font-size: 13px;
  line-height: 2;
  color: var(--ink-3);
  background: var(--paper-deep);
  border-left: 3px solid var(--beak);
  padding: 12px 14px;
}

.submit-rules b {
  color: var(--ink-2);
  letter-spacing: 0.04em;
}

.req {
  color: var(--beak);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-left: 2px;
}

/* 蜜罐字段：真人看不见，机器人会填 */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.panel.done {
  text-align: center;
  padding: 40px 24px;
}

.done-mark {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-indent: 0.3em;
  color: #fff;
  background: var(--ink);
  padding: 6px 14px;
  margin-bottom: 18px;
}

.panel.done h2 {
  border: 0;
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.panel.done p {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.9;
  max-width: 460px;
  margin: 0 auto 24px;
}

.panel.done .actions {
  justify-content: center;
}

@media (max-width: 640px) {
  .brand-mini img {
    width: 40px;
    height: 40px;
  }

  .submit-lead p {
    font-size: 15px;
  }
}

/* ==========================================================
   后台 · 投稿部
   ========================================================== */

.badge {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--beak);
  padding: 2px 7px;
  margin-left: 6px;
  vertical-align: 2px;
}

.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--rule-soft);
  margin-bottom: 4px;
}

.tabs .tab {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--ink-3);
  padding: 8px 14px;
  cursor: pointer;
}

.tabs .tab.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
  font-weight: 600;
}

.subs {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sub-item {
  padding: 14px 0 12px;
  border-bottom: 1px dashed var(--rule-soft);
}

.sub-item:last-child {
  border-bottom: 0;
}

.sub-meta {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  word-break: break-all;
}

.sub-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  margin-bottom: 8px;
}

.sub-body {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-2);
  white-space: pre-wrap;
  background: var(--paper-deep);
  border-left: 2px solid var(--rule-soft);
  padding: 12px 14px;
  margin-bottom: 10px;
  max-height: 320px;
  overflow: auto;
}

.sub-acts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.sub-acts button {
  font-family: var(--sans);
  font-size: 12px;
  background: #fff;
  border: 1px solid #b9b3a6;
  color: var(--ink);
  padding: 5px 12px;
  cursor: pointer;
}

.sub-acts button:hover {
  border-color: var(--ink);
}

.sub-acts button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.sub-acts button.del {
  color: #a33;
  border-color: #d8b9b9;
  margin-left: auto;
}

.sub-link {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--beak);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 98, 42, 0.4);
}