/* ============ 哇咔学外语 - 全站样式 ============ */
:root {
  --bg: #FFF6E5;
  --card: #FFFFFF;
  --ink: #3A3226;
  --ink-soft: #8A7E6A;
  --red: #E8503A;
  --red-soft: #FDEBE7;
  --yellow: #FFC83D;
  --yellow-soft: #FFF3D6;
  --green: #22A45D;
  --green-soft: #E6F6ED;
  --blue: #2F7CF6;
  --blue-soft: #E8F1FE;
  --purple: #7C5CBF;
  --purple-soft: #F1EBFB;
  --pink: #F98BAB;
  --border: #F0E4CC;
  --radius: 18px;
  --shadow: 0 4px 18px rgba(120, 90, 30, .08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.wrap { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(6px);
  border-bottom: 2px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; gap: 10px; height: 62px; }
.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 800; }
.logo .bear {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--yellow);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 24px; box-shadow: inset 0 -3px 0 rgba(0,0,0,.06);
}
.logo em { font-style: normal; color: var(--red); }
.nav { margin-left: auto; display: flex; gap: 4px; }
.nav a {
  padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--ink-soft);
}
.nav a:hover { background: var(--yellow-soft); color: var(--ink); }
.nav a.active { background: var(--red); color: #fff; }

/* ---------- 首页 ---------- */
.hero { text-align: center; padding: 54px 0 26px; }
.hero .bear-big {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--yellow); font-size: 58px;
  display: inline-flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow), inset 0 -6px 0 rgba(0,0,0,.06);
  border: 4px solid #fff;
}
.hero h1 { font-size: 34px; margin-top: 16px; letter-spacing: 1px; }
.hero h1 em { font-style: normal; color: var(--red); }
.hero p.slogan { color: var(--ink-soft); margin-top: 6px; font-size: 16px; }

.search-box { max-width: 640px; margin: 28px auto 0; position: relative; }
.search-box form { display: flex; background: #fff; border-radius: 999px; padding: 8px;
  box-shadow: var(--shadow); border: 2px solid var(--border); }
.search-box input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-size: 17px; padding: 8px 10px 8px 18px; color: var(--ink);
}
.search-box button {
  border: 0; cursor: pointer; background: var(--red); color: #fff;
  font-size: 16px; font-weight: 700; padding: 10px 26px; border-radius: 999px;
}
.search-box button:hover { filter: brightness(1.06); }
.search-hint { margin-top: 12px; color: var(--ink-soft); font-size: 13px; }
.search-hint b { color: var(--red); }

/* 联想下拉 */
.suggest { position: absolute; left: 0; right: 0; top: calc(100% + 8px); background: #fff;
  border-radius: 16px; box-shadow: var(--shadow); border: 1px solid var(--border);
  overflow: hidden; display: none; text-align: left; z-index: 40; }
.suggest.show { display: block; }
.suggest .sg-item { padding: 10px 18px; cursor: pointer; display: flex; gap: 8px; align-items: center; }
.suggest .sg-item:hover { background: var(--yellow-soft); }
.suggest .sg-label { font-size: 12px; color: var(--ink-soft); padding: 8px 18px 2px; }

/* 首页快捷入口 */
.quick { display: flex; gap: 12px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.quick a {
  display: inline-flex; align-items: center; gap: 6px;
  background: #fff; border: 2px solid var(--border); border-radius: 999px;
  padding: 9px 18px; font-weight: 600; font-size: 14px; box-shadow: var(--shadow);
}
.quick a:hover { border-color: var(--yellow); transform: translateY(-1px); }

/* 板块标题 */
.section { margin: 34px 0; }
.section-title { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.section-title .tag {
  background: var(--red); color: #fff; font-weight: 800; font-size: 15px;
  border-radius: 10px; padding: 4px 12px;
}
.section-title .tag.green { background: var(--green); }
.section-title .tag.blue { background: var(--blue); }
.section-title h2 { font-size: 20px; }
.section-title .more { margin-left: auto; color: var(--ink-soft); font-size: 14px; }

/* 专题卡片 */
.topics-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.topic-card {
  background: var(--card); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow); border: 2px solid var(--border); display: flex; gap: 14px; align-items: flex-start;
}
.topic-card:hover { border-color: var(--yellow); }
.topic-card .emoji {
  width: 52px; height: 52px; border-radius: 14px; background: var(--yellow-soft);
  display: flex; align-items: center; justify-content: center; font-size: 30px; flex: none;
}
.topic-card h3 { font-size: 17px; }
.topic-card p { color: var(--ink-soft); font-size: 13px; margin-top: 4px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.topic-card .meta { margin-top: 8px; font-size: 12px; color: var(--red); font-weight: 700; }

/* ---------- 专题分类（成人 / 儿童） ---------- */
.cat-tabs { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.cat-tab {
  font-family: inherit; font-weight: 700; font-size: 15px; cursor: pointer;
  background: var(--card); color: var(--ink); border: 2px solid var(--border);
  border-radius: 999px; padding: 9px 20px; display: inline-flex; align-items: center; gap: 8px;
  box-shadow: var(--shadow); transition: all .15s;
}
.cat-tab em { font-style: normal; font-size: 12px; font-weight: 800; background: var(--yellow-soft);
  color: #8a6a00; border-radius: 999px; padding: 1px 8px; }
.cat-tab:hover { border-color: var(--yellow); }
.cat-tab.active { background: var(--red); border-color: var(--red); color: #fff; }
.cat-tab.active em { background: rgba(255, 255, 255, .25); color: #fff; }
.cat-chip { display: inline-block; margin-top: 8px; font-size: 12px; font-weight: 700;
  padding: 3px 12px; border-radius: 999px; }
.cat-chip.adult { background: var(--blue-soft); color: var(--blue); }
.cat-chip.kids { background: var(--green-soft); color: var(--green); }
[hidden] { display: none !important; }

/* 文章卡片 */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.article-card { background: var(--card); border-radius: var(--radius); padding: 18px;
  box-shadow: var(--shadow); border: 2px solid var(--border); }
.article-card:hover { border-color: var(--blue); }
.article-card .cat { display: inline-block; background: var(--blue-soft); color: var(--blue);
  font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.article-card h3 { font-size: 16px; margin-top: 8px; line-height: 1.5; }
.article-card p { color: var(--ink-soft); font-size: 13px; margin-top: 6px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-card .date { color: var(--ink-soft); font-size: 12px; margin-top: 8px; }

/* ---------- 单词页 ---------- */
.word-hero { padding: 30px 0 10px; text-align: center; }
.badge { display: inline-flex; align-items: center; gap: 6px; background: var(--red-soft); color: var(--red);
  font-weight: 800; font-size: 14px; padding: 6px 16px; border-radius: 999px; }
.word-title { margin-top: 14px; display: flex; align-items: baseline; justify-content: center; gap: 12px; flex-wrap: wrap; }
.word-title h1 { font-size: 52px; font-weight: 900; letter-spacing: 1px; }
.word-title .phonetic { color: var(--ink-soft); font-size: 18px; }
.speak-btn {
  border: 0; cursor: pointer; background: var(--blue-soft); color: var(--blue);
  width: 42px; height: 42px; border-radius: 50%; font-size: 20px;
  display: inline-flex; align-items: center; justify-content: center; vertical-align: middle;
}
.speak-btn:hover { background: var(--blue); color: #fff; }
.word-pos { margin-top: 6px; }
.word-pos .pos { color: var(--red); font-weight: 800; font-size: 20px; }
.word-pos .meaning { color: var(--ink); font-weight: 700; font-size: 20px; }

.card { background: var(--card); border-radius: var(--radius); padding: 20px 22px;
  box-shadow: var(--shadow); border: 2px solid var(--border); margin-top: 18px; }
.card h2 { font-size: 17px; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.card h2 .ico { width: 30px; height: 30px; border-radius: 9px; display: inline-flex;
  align-items: center; justify-content: center; font-size: 17px; flex: none; }
.ico.red { background: var(--red-soft); } .ico.yellow { background: var(--yellow-soft); }
.ico.green { background: var(--green-soft); } .ico.blue { background: var(--blue-soft); }
.ico.purple { background: var(--purple-soft); }

.card.detail { border-left: 6px solid var(--yellow); }
.card.detail p { font-size: 15px; }
.card.usage p { font-size: 15px; }

/* 生活怎么用：编号句子 */
.num-list { list-style: none; }
.num-list li { display: flex; gap: 12px; padding: 9px 0; align-items: flex-start; }
.num-list .n { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--green);
  color: #fff; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin-top: 2px; }
.num-list .en { font-weight: 600; }
.num-list .en b { color: var(--red); }
.num-list .zh { color: var(--ink-soft); font-size: 14px; }

/* 相关词 / 短语 两列网格 */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 22px; }
.pw-list { list-style: none; }
.pw-list li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0;
  border-bottom: 1px dashed var(--border); font-size: 14px; }
.pw-list li:last-child { border-bottom: 0; }
.pw-list .w { font-weight: 700; }
.pw-list .m { color: var(--ink-soft); text-align: right; }

/* 相关用法 ✓ 列表 */
.check-list { list-style: none; display: grid; grid-template-columns: 1fr; gap: 6px; }
@media (min-width: 640px) { .check-list { grid-template-columns: 1fr 1fr; } }
.check-list li { display: flex; gap: 8px; align-items: baseline; font-size: 14px; }
.check-list .ck { color: var(--green); font-weight: 900; flex: none; }
.check-list .m { color: var(--ink-soft); }

/* 记忆技巧 */
.memory-card { border-left: 6px solid var(--pink); }
.memory-card p { font-size: 15px; }

/* 一句话学会 */
.one-line { background: linear-gradient(135deg, var(--red-soft), #fff 60%); }
.one-line .en { font-size: 19px; font-weight: 800; }
.one-line .en b { color: var(--red); }
.one-line .zh { color: var(--ink-soft); margin-top: 4px; }

/* 生成中状态 */
.loading-bear { text-align: center; padding: 60px 0; }
.loading-bear .bear { font-size: 60px; display: inline-block; animation: bounce 1s infinite alternate; }
@keyframes bounce { from { transform: translateY(0); } to { transform: translateY(-12px); } }
.loading-bear p { color: var(--ink-soft); margin-top: 14px; }

/* ---------- 翻译页 ---------- */
.trans-panel { display: grid; grid-template-columns: 1fr; gap: 14px; margin-top: 20px; }
@media (min-width: 760px) { .trans-panel { grid-template-columns: 1fr 1fr; } }
.trans-box { background: var(--card); border-radius: var(--radius); border: 2px solid var(--border);
  box-shadow: var(--shadow); display: flex; flex-direction: column; min-height: 260px; }
.trans-box textarea { flex: 1; border: 0; outline: 0; resize: vertical; padding: 18px;
  font-size: 16px; font-family: inherit; border-radius: var(--radius); background: transparent; color: var(--ink); }
.trans-box .box-head { display: flex; align-items: center; gap: 8px; padding: 12px 18px 0; }
.trans-box .box-head .lang { font-weight: 800; color: var(--ink-soft); font-size: 13px; }
.trans-result { padding: 18px; font-size: 16px; white-space: pre-wrap; flex: 1; }
.trans-actions { display: flex; justify-content: center; gap: 12px; margin: 4px 0 20px; }
.btn { border: 0; cursor: pointer; font-weight: 700; font-size: 15px;
  padding: 11px 30px; border-radius: 999px; background: var(--red); color: #fff; }
.btn.ghost { background: #fff; color: var(--ink); border: 2px solid var(--border); }
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .55; cursor: wait; }
.trans-tip { text-align: center; color: var(--ink-soft); font-size: 13px; margin-bottom: 30px; }

/* ---------- 专题页 ---------- */
.topic-head { padding: 34px 0 6px; text-align: center; }
.topic-head .emoji { font-size: 54px; }
.topic-head h1 { font-size: 30px; margin-top: 8px; }
.topic-head h1 .hl { color: var(--red); }
.topic-head p { color: var(--ink-soft); margin-top: 6px; }
.words-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
.word-card { background: var(--card); border: 2px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow); text-align: center; padding: 20px 10px 16px; position: relative; }
.word-card:hover { border-color: var(--yellow); transform: translateY(-2px); }
.word-card .idx { position: absolute; top: -10px; left: -6px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--red); color: #fff; font-weight: 800; font-size: 13px;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); }
.word-card .w { font-size: 20px; font-weight: 800; }
.word-card .m { color: var(--ink-soft); font-size: 13px; margin-top: 4px; min-height: 20px; }
.word-card.pending { opacity: .75; }

/* 列表空状态 */
.empty { text-align: center; color: var(--ink-soft); padding: 60px 0; }
.empty .bear { font-size: 56px; }

/* ---------- 页脚 ---------- */
.site-footer { margin-top: auto; border-top: 2px solid var(--border); background: #fff; }
.site-footer .wrap { padding: 22px 16px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
  color: var(--ink-soft); font-size: 13px; }
.site-footer a:hover { color: var(--red); }
.site-footer .fr { margin-left: auto; }

/* ---------- 后台 ---------- */
.admin-wrap { max-width: 900px; margin: 30px auto; padding: 0 16px; }
.admin-card { background: #fff; border-radius: var(--radius); border: 2px solid var(--border);
  box-shadow: var(--shadow); padding: 24px; margin-bottom: 18px; }
.admin-card h2 { font-size: 18px; margin-bottom: 14px; }
.admin-card label { display: block; font-weight: 700; font-size: 14px; margin: 12px 0 6px; }
.admin-card input[type=text], .admin-card input[type=password], .admin-card textarea, .admin-card select {
  width: 100%; border: 2px solid var(--border); border-radius: 12px; padding: 10px 12px;
  font-size: 15px; font-family: inherit; outline: none; background: #FFFDF7;
}
.admin-card input:focus, .admin-card textarea:focus { border-color: var(--yellow); }
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th, .admin-table td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--border); }
.admin-table th { color: var(--ink-soft); font-size: 12px; }
.tag-mini { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.tag-ready { background: var(--green-soft); color: var(--green); }
.tag-gen { background: var(--yellow-soft); color: #B8860B; }
.tag-fail { background: var(--red-soft); color: var(--red); }
.admin-nav { display: flex; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.admin-nav a { background: #fff; border: 2px solid var(--border); border-radius: 999px;
  padding: 7px 16px; font-weight: 700; font-size: 14px; }
.admin-nav a.active { background: var(--red); border-color: var(--red); color: #fff; }
.flash { background: var(--green-soft); color: var(--green); border-radius: 12px;
  padding: 10px 14px; margin-bottom: 14px; font-weight: 600; }
.flash.err { background: var(--red-soft); color: var(--red); }

/* 资讯条目（供 XunRuiCMS 模板复用） */
.news-item { background: var(--card); border-radius: var(--radius); border: 2px solid var(--border);
  box-shadow: var(--shadow); padding: 18px 22px; margin-bottom: 14px; }
.news-item h3 { font-size: 18px; }
.news-item h3 a:hover { color: var(--red); }
.news-item .meta { color: var(--ink-soft); font-size: 13px; margin-top: 6px; }
.news-item .desc { color: var(--ink-soft); font-size: 14px; margin-top: 8px; }
.news-body { background: var(--card); border-radius: var(--radius); border: 2px solid var(--border);
  box-shadow: var(--shadow); padding: 26px; line-height: 1.9; }
.news-body h1 { font-size: 26px; margin-bottom: 10px; }

@media (max-width: 600px) {
  .hero h1 { font-size: 26px; }
  .word-title h1 { font-size: 38px; }
  .grid2 { grid-template-columns: 1fr; }
  /* 手机版头部：logo 一行 + 导航整行铺开（需求2文档第1条） */
  .site-header .wrap { flex-wrap: wrap; height: auto; padding: 8px 16px 4px; row-gap: 0; }
  .logo { font-size: 17px; gap: 6px; }
  .logo .bear { width: 30px; height: 30px; font-size: 18px; }
  .nav { margin-left: 0; width: 100%; gap: 0; }
  .nav a { flex: 1; text-align: center; padding: 7px 2px; font-size: 14px; }
  .nav a.active { background: none; color: var(--red); box-shadow: inset 0 -3px 0 var(--red); border-radius: 0; }
}

/* ============ 专题页：常用句子 & 场景对话 ============ */
.sent-list { display: flex; flex-direction: column; gap: 12px; }
.sent-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; }
.sent-card .idx {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: var(--green-soft); color: var(--green);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 14px; margin-top: 2px;
}
.sent-card .en { font-size: 17px; font-weight: 700; color: var(--ink); }
.sent-card .zh { font-size: 14px; color: var(--ink-soft); margin-top: 3px; }

.chat { display: flex; flex-direction: column; gap: 14px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.bubble-row { display: flex; gap: 10px; align-items: flex-start; }
.bubble-row:nth-child(even) { flex-direction: row-reverse; }
.bubble-row .who {
  flex-shrink: 0; min-width: 34px; height: 34px; border-radius: 50%;
  background: var(--yellow-soft); display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: var(--ink); padding: 0 8px;
}
.bubble-row:nth-child(even) .who { background: var(--blue-soft); }
.bubble {
  max-width: 78%; background: var(--yellow-soft);
  border-radius: 4px 16px 16px 16px; padding: 10px 14px;
}
.bubble-row:nth-child(even) .bubble { background: var(--blue-soft); border-radius: 16px 4px 16px 16px; }
.bubble .en { font-size: 15px; font-weight: 700; color: var(--ink); }
.bubble .zh { font-size: 13px; color: var(--ink-soft); margin-top: 2px; }
@media (max-width: 600px) {
  .bubble { max-width: 86%; }
  .sent-card .en { font-size: 16px; }
}

/* ---------- 单词卡配图（恐龙等带图专题） ---------- */
.word-card .wc-img { display: block; width: 100%; height: 110px; object-fit: contain;
  background: var(--yellow-soft); border-radius: 12px; margin-bottom: 10px; }