/* ============================================================
   老谢读写课 laoxieduxieke.cn · 共享样式 shared.css v1
   2026-05-27 钦定 · 米黄手账风 · 所有占位页通用
   后续改样式·只改这一份
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Caveat:wght@600;700&family=Patrick+Hand&family=Fredoka:wght@500;700&family=DM+Serif+Display:ital@0;1&display=swap");

/* === 钦定主题变量 === */
:root {
  --paper:        #faf3e0;
  --paper-light:  #fff8e7;
  --ink:          #2a1f12;
  --ink-soft:     #5a4128;
  --ink-mute:     #8a7158;
  --rule:         #d4c1a8;
  --accent:       #e85d4a;
  --highlight:    #fde047;
  --pending:      #fed7aa;
  --pending-edge: #f59e0b;
}

/* === Reset & Base === */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper); color: var(--ink);
  font-family: -apple-system, "Fredoka", "PingFang SC", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  /* 删除 min-width: 1280px · 改成响应式·手机端不再横向滚动（2026-05-27 谢老师钦定） */
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ============== Sticky Nav · 主页 v4 同款 ============== */
.nav {
  position: sticky; top: 0; z-index: 200;
  background: var(--paper);
  border-bottom: 1px solid var(--accent);
  padding: 7px 48px;
  display: flex; align-items: center; gap: 18px;
  box-shadow: 0 2px 8px rgba(42,31,18,0.05);
  min-height: 44px;
}
.nav .logo {
  font-family: "Caveat", cursive; font-weight: 700; font-size: 20px;
  color: var(--ink);
  display: flex; align-items: center; gap: 5px;
  line-height: 1;
}
.nav .logo::before {
  content: "🦊";
  font-size: 16px;
  display: inline-block;
  animation: navWobble 5s ease-in-out infinite;
  transform-origin: center bottom;
}
@keyframes navWobble {
  0%, 100% { transform: rotate(-4deg); }
  50%      { transform: rotate(4deg); }
}
.nav .logo em { font-style: normal; color: var(--accent); padding: 0 2px; }

.nav .menu {
  display: flex; gap: 18px; margin-left: auto;
  font-family: "Patrick Hand", system-ui; font-size: 13px; color: var(--ink-soft);
  align-items: center;
}
.nav .menu a {
  padding: 3px 2px;
  border-bottom: 1.5px solid transparent;
  transition: all .15s ease;
}
.nav .menu a:not(.cta):hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.nav .menu a.cta {
  background: var(--ink); color: var(--paper-light);
  padding: 4px 12px; border-radius: 99px;
  font-family: "Fredoka", system-ui; font-weight: 600; font-size: 12px;
  border: none;
  transition: all .2s ease;
}
.nav .menu a.cta:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(232,93,74,0.3);
}

/* ============== Page Hero（占位页通用顶部） ============== */
.page-hero {
  padding: 80px 56px 50px;
  text-align: center;
  border-bottom: 2px dashed var(--rule);
  position: relative;
}
.page-hero::before {
  content: "✦";
  position: absolute;
  top: 30px; left: 8%;
  font-size: 32px; color: var(--accent); opacity: 0.2;
  transform: rotate(-15deg);
}
.page-hero::after {
  content: "✦";
  position: absolute;
  bottom: 30px; right: 8%;
  font-size: 32px; color: #14b8a6; opacity: 0.2;
  transform: rotate(15deg);
}
.page-hero .pre {
  font-family: "Caveat", cursive;
  font-size: 22px; color: var(--accent);
  display: inline-block; transform: rotate(-2deg);
  margin-bottom: 10px;
}
.page-hero h1 {
  font-family: "DM Serif Display", serif;
  font-size: 64px; line-height: 1.1; font-weight: 400;
  color: var(--ink); letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.page-hero h1 em { font-style: italic; color: var(--accent); }
.page-hero h1 .crayon {
  background: linear-gradient(180deg, transparent 60%, var(--highlight) 60%, var(--highlight) 92%, transparent 92%);
  padding: 0 10px;
}
.page-hero .lede {
  font-family: "Patrick Hand", system-ui;
  font-size: 18px; line-height: 1.7;
  color: var(--ink-soft);
  max-width: 720px;
  margin: 0 auto;
}
.page-hero .pending-tag {
  display: inline-block;
  margin-top: 16px;
  background: var(--pending);
  border: 2px solid var(--pending-edge);
  color: #9a3412;
  padding: 4px 14px; border-radius: 99px;
  font-family: "Patrick Hand", system-ui;
  font-size: 12px; font-weight: 600;
}

/* ============== Page Section ============== */
.page-section {
  padding: 56px;
  max-width: 1280px;
  margin: 0 auto;
}
.page-section h2 {
  font-family: "DM Serif Display", serif;
  font-size: 36px; color: var(--ink);
  margin-bottom: 20px;
}
.page-section h2 em { font-style: italic; color: var(--accent); }
.page-section .desc {
  font-family: "Patrick Hand", system-ui;
  font-size: 16px; color: var(--ink-soft);
  margin-bottom: 28px; line-height: 1.7;
}

/* ============== Button ============== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--ink); color: var(--paper-light);
  padding: 10px 24px; border-radius: 99px;
  font-family: "Fredoka", system-ui; font-weight: 600; font-size: 15px;
  border: none; cursor: pointer;
  transition: all .2s ease;
  text-decoration: none;
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(232,93,74,0.35);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--paper-light); color: var(--ink);
  border: 2px solid var(--ink);
  padding: 8px 22px; border-radius: 99px;
  font-family: "Fredoka", system-ui; font-weight: 600; font-size: 14px;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
}
.btn-secondary:hover {
  background: var(--ink);
  color: var(--paper-light);
}
.btn-ghost {
  display: inline-flex; align-items: center; gap: 4px;
  background: transparent; color: var(--accent);
  padding: 6px 14px; border-radius: 99px;
  font-family: "Patrick Hand", system-ui; font-size: 14px;
  border: 1.5px dashed var(--accent);
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
}
.btn-ghost:hover {
  background: var(--accent);
  color: var(--paper-light);
}

/* ============== Form ============== */
.form-group {
  margin-bottom: 18px;
  display: flex; flex-direction: column; gap: 6px;
}
.form-group label {
  font-family: "Patrick Hand", system-ui;
  font-size: 14px; color: var(--ink-soft); font-weight: 600;
}
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--paper-light);
  border: 2px solid var(--rule);
  border-radius: 10px;
  padding: 10px 14px;
  font-family: -apple-system, "Patrick Hand", system-ui;
  font-size: 15px; color: var(--ink);
  transition: border-color .15s ease;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-hint {
  font-family: "Patrick Hand", system-ui;
  font-size: 12px; color: var(--ink-mute);
  margin-top: 2px;
}

/* ============== Card ============== */
.card {
  background: var(--paper-light);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all .2s ease;
  position: relative;
}
.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(42,31,18,0.12);
}
.card h3 {
  font-family: "Caveat", cursive;
  font-weight: 700; font-size: 22px;
  margin-bottom: 6px;
  color: var(--ink);
}
.card .desc {
  font-family: "Patrick Hand", system-ui;
  font-size: 14px; color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 12px;
}
.card .meta {
  font-family: "Patrick Hand", system-ui;
  font-size: 12px; color: var(--ink-mute);
}

/* ============== Layout · 老师工作台 / 后台 双栏 ============== */
.layout-app {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 60px);
}
.sidebar {
  background: var(--paper-light);
  border-right: 2px dashed var(--rule);
  padding: 28px 18px;
}
.sidebar .user {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}
.sidebar .user .avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--accent); color: var(--paper-light);
  display: flex; align-items: center; justify-content: center;
  font-family: "Fredoka", system-ui;
  font-weight: 700;
}
.sidebar .user .name {
  font-family: "Patrick Hand", system-ui;
  font-size: 14px; font-weight: 600;
}
.sidebar .user .role {
  font-family: "Patrick Hand", system-ui;
  font-size: 11px; color: var(--ink-mute);
}
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  font-family: "Patrick Hand", system-ui;
  font-size: 14px;
  border-radius: 8px;
  margin-bottom: 4px;
  color: var(--ink-soft);
  transition: all .15s ease;
}
.sidebar nav a:hover {
  background: var(--paper);
  color: var(--ink);
}
.sidebar nav a.active {
  background: var(--ink);
  color: var(--paper-light);
}
.sidebar nav a .ico { font-size: 16px; width: 18px; text-align: center; }
.main-content {
  padding: 32px 40px;
  overflow-y: auto;
}

/* ============== Stats Grid ============== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--paper-light);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 18px 20px;
}
.stat-card .num {
  font-family: "DM Serif Display", serif;
  font-style: italic;
  font-size: 36px; line-height: 1;
  color: var(--accent);
}
.stat-card .lbl {
  font-family: "Patrick Hand", system-ui;
  font-size: 13px; color: var(--ink-mute);
  margin-top: 4px;
}

/* ============== Table ============== */
.app-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--paper-light);
  border: 2px solid var(--ink);
  border-radius: 12px;
  overflow: hidden;
}
.app-table th {
  background: var(--ink);
  color: var(--paper-light);
  font-family: "Patrick Hand", system-ui;
  font-weight: 600;
  font-size: 13px;
  text-align: left;
  padding: 12px 14px;
  letter-spacing: 0.04em;
}
.app-table td {
  padding: 12px 14px;
  font-family: "Patrick Hand", system-ui;
  font-size: 14px;
  border-bottom: 1px dashed var(--rule);
  color: var(--ink-soft);
}
.app-table tr:last-child td { border-bottom: none; }
.app-table tr:hover td { background: var(--paper); }
.app-table .status {
  display: inline-block;
  padding: 2px 10px; border-radius: 99px;
  font-size: 12px; font-weight: 600;
}
.app-table .status.pending { background: var(--pending); color: #9a3412; }
.app-table .status.done    { background: #d1fae5; color: #065f46; }
.app-table .status.review  { background: #dbeafe; color: #1e40af; }

/* ============== Auth Card · 登陆页 ============== */
.auth-wrap {
  min-height: calc(100vh - 60px);
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(circle at 18% 24%, rgba(232,93,74,0.08), transparent 40%),
    radial-gradient(circle at 82% 76%, rgba(253,224,71,0.12), transparent 40%),
    var(--paper);
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--paper-light);
  border: 2px solid var(--ink);
  border-radius: 16px;
  padding: 36px 32px 28px;
  box-shadow: 0 20px 60px rgba(42,31,18,0.18);
}
.auth-card .title {
  font-family: "DM Serif Display", serif;
  font-size: 30px; color: var(--ink);
  margin-bottom: 6px;
  text-align: center;
}
.auth-card .title em { font-style: italic; color: var(--accent); }
.auth-card .sub {
  font-family: "Patrick Hand", system-ui;
  font-size: 14px; color: var(--ink-mute);
  text-align: center;
  margin-bottom: 26px;
}
.auth-card .btn-primary {
  width: 100%;
  justify-content: center;
  margin-top: 6px;
}
.auth-card .alt {
  text-align: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--rule);
  font-family: "Patrick Hand", system-ui;
  font-size: 13px; color: var(--ink-mute);
}
.auth-card .alt a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
}

/* ============== Upload Drop · 上传作文 ============== */
.dropzone {
  background: var(--paper-light);
  border: 3px dashed var(--rule);
  border-radius: 14px;
  padding: 60px 30px;
  text-align: center;
  cursor: pointer;
  transition: all .2s ease;
}
.dropzone:hover {
  border-color: var(--accent);
  background: #fff;
}
.dropzone .ico {
  font-size: 56px; line-height: 1;
  margin-bottom: 14px;
}
.dropzone .text {
  font-family: "Caveat", cursive;
  font-weight: 700; font-size: 22px;
  color: var(--ink);
  margin-bottom: 6px;
}
.dropzone .hint {
  font-family: "Patrick Hand", system-ui;
  font-size: 13px; color: var(--ink-mute);
}

/* ============== Restricted · 锁屏蒙层（白名单权限） ============== */
.restricted-wrap {
  position: relative;
  min-height: 600px;
}
.restricted-content {
  filter: blur(5px) saturate(0.6);
  pointer-events: none;
  user-select: none;
  opacity: 0.6;
}
.restricted-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(255, 248, 231, 0.6) 20%,
    rgba(255, 248, 231, 0.92) 50%,
    rgba(255, 248, 231, 0.97) 100%);
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 60px;
  z-index: 10;
}
.restricted-card {
  background: var(--paper-light);
  border: 3px dashed var(--accent);
  border-radius: 18px;
  padding: 36px 40px 28px;
  text-align: center;
  max-width: 520px;
  box-shadow: 0 16px 40px rgba(42, 31, 18, 0.2);
  position: relative;
}
.restricted-card .ico {
  font-size: 56px; line-height: 1;
  margin-bottom: 14px;
}
.restricted-card h3 {
  font-family: "DM Serif Display", serif;
  font-size: 28px; color: var(--ink);
  margin-bottom: 12px;
}
.restricted-card h3 em { font-style: italic; color: var(--accent); }
.restricted-card p {
  font-family: "Patrick Hand", system-ui;
  font-size: 15px; color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 20px;
}
.restricted-card p strong { color: var(--accent); }
.restricted-card .actions {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}
.restricted-card .note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-family: "Patrick Hand", system-ui;
  font-size: 12px; color: var(--ink-mute);
  line-height: 1.6;
}

/* ============== Footer ============== */
.footer {
  margin-top: 60px;
  background: var(--ink); color: var(--paper-light);
  padding: 36px 56px 24px;
  text-align: center;
  font-family: "Patrick Hand", system-ui;
}
.footer h4 {
  font-family: "DM Serif Display", serif;
  font-style: italic; font-size: 22px;
  color: var(--highlight);
  margin-bottom: 6px;
}
.footer p { font-size: 13px; color: rgba(255,248,231,0.75); }
.footer .back {
  display: inline-block; margin-top: 14px;
  border: 2px solid var(--highlight); color: var(--highlight);
  padding: 6px 18px; border-radius: 99px;
  font-family: "Fredoka", system-ui;
  font-weight: 600; font-size: 13px;
  transition: all .15s;
  text-decoration: none;
}
.footer .back:hover { background: var(--highlight); color: var(--ink); }
.footer .copyright {
  margin-top: 20px;
  font-size: 11px; color: rgba(255,248,231,0.4);
}

/* ============== 👑 作者权限面板（前端假版本·2026-05-27 钦定） ============== */
#author-panel {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9998;
  font-family: "Patrick Hand", system-ui;
}
#author-panel .ap-toggle {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: var(--highlight);
  color: var(--ink);
  font-size: 26px;
  border: 2.5px solid var(--ink);
  box-shadow: 0 8px 20px rgba(42,31,18,0.3);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .2s ease;
}
#author-panel .ap-toggle:hover {
  transform: scale(1.08) rotate(-6deg);
}
#author-panel .ap-body {
  position: absolute;
  right: 0;
  bottom: 64px;
  width: 320px;
  background: var(--paper-light);
  border: 2.5px solid var(--ink);
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 16px 38px rgba(0,0,0,0.28);
  display: none;
}
#author-panel .ap-body.show { display: block; }
#author-panel .ap-head {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--rule);
  margin-bottom: 12px;
}
#author-panel .ap-head strong { color: var(--ink); }
#author-panel .ap-close {
  font-size: 22px; cursor: pointer;
  padding: 0 8px;
  color: var(--ink-mute);
  line-height: 1;
}
#author-panel .ap-close:hover { color: var(--accent); }
#author-panel .ap-section { margin-bottom: 14px; }
#author-panel .ap-label {
  font-size: 12px;
  color: var(--ink-mute);
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
#author-panel .ap-section label {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px;
  font-size: 13px;
  color: var(--ink);
  cursor: pointer;
  border-radius: 6px;
  transition: background .12s;
  margin-bottom: 2px;
}
#author-panel .ap-section label:hover { background: rgba(232,93,74,0.08); }
#author-panel .ap-section input[type="radio"] { margin: 0; cursor: pointer; }
#author-panel .ap-actions {
  display: flex; gap: 8px;
  margin-top: 10px;
}
#author-panel .ap-btn {
  flex: 1;
  padding: 8px 10px;
  background: rgba(255,255,255,0.7);
  border: 1.5px solid var(--rule);
  border-radius: 6px;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all .12s;
}
#author-panel .ap-btn:hover { border-color: var(--ink); }
#author-panel .ap-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  font-weight: 700;
}
#author-panel .ap-primary:hover { background: #c44535; border-color: #c44535; }
#author-panel .ap-hint {
  font-size: 10px;
  color: var(--ink-mute);
  margin-top: 10px;
  line-height: 1.6;
  border-top: 1px dashed var(--rule);
  padding-top: 8px;
}

@keyframes ap-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.06); }
}

/* 作者权限生效（前端模拟） */
.restricted-wrap.author-unlocked .restricted-overlay { display: none; }
.restricted-wrap.author-unlocked .restricted-content {
  filter: none; pointer-events: auto; user-select: auto; opacity: 1;
}
.restricted-wrap.author-fullclosed {
  position: relative;
}
.restricted-wrap.author-fullclosed::before {
  content: "🚫 整页锁定（仅白名单 + 作者可见）";
  position: absolute; inset: 0;
  background: rgba(42,31,18,0.85);
  color: var(--highlight);
  display: flex; align-items: center; justify-content: center;
  font-family: "Caveat", cursive;
  font-weight: 700; font-size: 28px;
  z-index: 12;
}

/* ============== 📱 手机端 / 平板响应式（2026-05-27 谢老师钦定） ============== */
@media (max-width: 900px) {
  .nav {
    padding: 8px 14px;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 38px;
  }
  .nav .logo { font-size: 17px; gap: 4px; }
  .nav .logo::before { font-size: 14px; }
  .nav .menu {
    font-size: 12px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .nav .menu a:not(.cta) { padding: 2px 1px; }
  .nav .menu a.cta { padding: 3px 10px; font-size: 11px; }

  .page-hero {
    padding: 40px 18px 28px;
  }
  .page-hero h1 { font-size: 38px; line-height: 1.15; }
  .page-hero .pre { font-size: 17px; margin-bottom: 6px; }
  .page-hero .lede { font-size: 14px; line-height: 1.6; }
  .page-hero .pending-tag { font-size: 11px; padding: 3px 10px; }

  .page-section {
    padding: 28px 18px;
  }
  .page-section h2 { font-size: 24px; }
  .page-section .desc { font-size: 14px; margin-bottom: 18px; }

  /* 工作台 / 后台双栏 → 单列堆叠 */
  .layout-app { grid-template-columns: 1fr; }
  .sidebar {
    border-right: none;
    border-bottom: 1px dashed var(--rule);
    padding: 12px 14px;
  }
  .sidebar .user { margin-bottom: 12px; padding-bottom: 10px; }
  .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .sidebar nav a {
    padding: 5px 9px;
    margin-bottom: 0;
    font-size: 12px;
    flex: 0 0 auto;
  }
  .main-content { padding: 20px 14px; }

  /* 数据卡 2 列 */
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-card { padding: 12px 14px; }
  .stat-card .num { font-size: 28px; }
  .stat-card .lbl { font-size: 11px; }

  /* 表格紧凑 */
  .app-table { font-size: 11px; }
  .app-table th, .app-table td { padding: 8px 10px; }

  /* 表单按钮 */
  .btn-primary, .btn-secondary { padding: 8px 18px; font-size: 14px; }
  .btn-ghost { padding: 5px 10px; font-size: 12px; }
  .form-group input, .form-group textarea, .form-group select {
    padding: 9px 12px;
    font-size: 14px;
  }

  /* 登陆卡 */
  .auth-card { padding: 24px 22px; }
  .auth-card .title { font-size: 24px; }
  .auth-card .sub { font-size: 13px; margin-bottom: 18px; }

  /* 锁屏卡 */
  .restricted-card { padding: 24px 20px; max-width: 88%; }
  .restricted-card h3 { font-size: 22px; }
  .restricted-card p { font-size: 13px; }
  .restricted-card .actions { flex-direction: column; align-items: stretch; }

  /* Dropzone 上传 */
  .dropzone { padding: 36px 18px; }
  .dropzone .ico { font-size: 40px; }
  .dropzone .text { font-size: 18px; }

  /* Footer */
  .footer { padding: 26px 18px 18px; }
  .footer h4 { font-size: 18px; }
  .footer p { font-size: 12px; }

  /* 3 列卡片网格 → 1 列（页面里用 inline style 写死的也兼容） */
  div[style*="grid-template-columns:repeat(3,1fr)"],
  div[style*="grid-template-columns: repeat(3,1fr)"],
  div[style*="grid-template-columns: repeat(3, 1fr)"] {
    grid-template-columns: 1fr !important;
  }

  /* 2 列卡片网格 → 1 列 */
  div[style*="grid-template-columns:repeat(2,1fr)"],
  div[style*="grid-template-columns: repeat(2, 1fr)"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .nav .menu { font-size: 11px; gap: 8px; }
  .nav .logo { font-size: 15px; }
  .page-hero h1 { font-size: 30px; }
  .page-hero { padding: 32px 14px 22px; }
  .page-section { padding: 22px 14px; }
  .page-section h2 { font-size: 20px; }
}