/* 译舟 YIZHOU — 设计系统
   配色取意：深青（应急指挥）+ 琥珀（警示）+ 米白（公文纸） */

:root {
  --ink: #0b1f2a;
  --ink-2: #17333d;
  --ink-3: #3d5560;
  --teal: #0f6e6e;
  --teal-dark: #0a5252;
  --teal-soft: #e6f1ef;
  --amber: #e3a03c;
  --amber-soft: #fbf0dc;
  --paper: #f6f4ef;
  --card: #ffffff;
  --line: #e0e5e1;
  --line-strong: #c9d2cc;
  --muted: #61737a;
  --danger: #b4402f;
  --danger-soft: #fbeceb;
  --ok: #2e7d5b;
  --ok-soft: #e8f3ee;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-mono: "SFMono-Regular", Consolas, "Cascadia Mono", "Liberation Mono", monospace;

  --radius-s: 6px;
  --radius-m: 10px;
  --radius-l: 16px;
  --shadow-s: 0 1px 2px rgba(11, 31, 42, .05);
  --shadow-m: 0 6px 24px rgba(11, 31, 42, .07);
  --shadow-l: 0 16px 48px rgba(11, 31, 42, .12);
  --max: 1180px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.large-text { font-size: 18.5px; }

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 244, 239, .93);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar::before {
  content: ""; display: block; height: 3px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--teal) 55%, var(--amber) 55%, var(--amber) 100%);
}
.topbar-inner {
  display: flex; align-items: center; gap: 14px;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 9px;
  background: var(--teal); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 21px; font-weight: 700;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .12);
}
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: .02em; line-height: 1.15; }
.brand-sub { font-size: 11px; color: var(--muted); letter-spacing: .06em; }

.nav { display: flex; align-items: center; gap: 3px; margin-left: auto; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav a {
  display: inline-block; padding: 8px 7px; border-radius: 8px;
  color: var(--ink-3); font-size: 14px; white-space: nowrap;
}
.nav a:hover { background: rgba(15, 110, 110, .07); color: var(--teal-dark); text-decoration: none; }
.nav a.active { color: var(--teal-dark); font-weight: 600; background: var(--teal-soft); }

.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--ink-3);
  border: 1px solid var(--line-strong); border-radius: 99px;
  padding: 4px 10px; background: #fff; white-space: nowrap;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.dot.warn { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }

.nav-toggle { display: none; }

/* ---------- 通用块 ---------- */
main { min-height: 60vh; }

.section { padding: 56px 0; }
.section.tight { padding: 36px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; flex-wrap: wrap; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--teal); font-weight: 600;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--amber); }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.3; color: var(--ink); }
h1 { font-size: clamp(30px, 4.4vw, 50px); margin: 14px 0 18px; letter-spacing: -.01em; }
h2 { font-size: clamp(23px, 2.8vw, 31px); margin: 0 0 10px; }
h3 { font-size: 19px; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.lead { font-size: 18px; color: var(--ink-2); line-height: 1.8; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: var(--font-mono); }
.center { text-align: center; }

.rule { height: 1px; background: var(--line); border: 0; margin: 32px 0; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 8px; border: 1px solid var(--line-strong);
  background: #fff; color: var(--ink); cursor: pointer;
  font-size: 14.5px; font-weight: 500; transition: .16s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--teal); color: var(--teal-dark); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.btn-amber { background: var(--amber); border-color: var(--amber); color: #35240a; }
.btn-amber:hover { background: #d5922f; border-color: #d5922f; color: #35240a; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--teal); }
.btn-ghost:hover { background: var(--teal-soft); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-m); box-shadow: var(--shadow-s);
}
.card-pad { padding: 22px; }
.card-hover { transition: .18s ease; }
.card-hover:hover { border-color: var(--line-strong); box-shadow: var(--shadow-m); transform: translateY(-2px); }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 首页英雄区 ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); background: #fff; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(700px 340px at 88% -10%, rgba(227, 160, 60, .13), transparent 70%),
    radial-gradient(620px 320px at 8% 120%, rgba(15, 110, 110, .1), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; padding-top: 64px; padding-bottom: 54px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: center; }
.hero h1 { max-width: 15em; }
.hero h1 em { font-style: normal; color: var(--teal); position: relative; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 8px;
  background: rgba(227, 160, 60, .3); z-index: -1;
}
.hero-sub { font-size: 17px; color: var(--ink-3); max-width: 36em; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 26px; }

.hero-panel {
  background: var(--ink); color: #eaf1ef; border-radius: var(--radius-l);
  padding: 24px; box-shadow: var(--shadow-l); position: relative;
}
.hero-panel h3 { color: #fff; font-size: 16px; font-family: var(--font-sans); letter-spacing: .04em; margin-bottom: 16px; }
.hero-panel .rail { margin: 0; padding: 0; list-style: none; }
.hero-panel .rail li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; padding: 10px 0; border-top: 1px solid rgba(255,255,255,.11); }
.hero-panel .rail li:first-child { border-top: 0; }
.rail-num { font-family: var(--font-mono); font-size: 12px; color: var(--amber); padding-top: 3px; }
.rail-title { font-size: 14.5px; font-weight: 600; color: #fff; }
.rail-desc { font-size: 12.5px; color: #a9bdb9; line-height: 1.5; }

.hero-foot { display: flex; gap: 32px; margin-top: 26px; flex-wrap: wrap; }
.hero-stat b { display: block; font-family: var(--font-serif); font-size: 26px; color: var(--teal-dark); line-height: 1.2; }
.hero-stat span { font-size: 12.5px; color: var(--muted); }

/* ---------- 场景链 ---------- */
.chain { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; background: #fff; }
.chain-step { padding: 20px 18px; border-left: 1px solid var(--line); position: relative; }
.chain-step:first-child { border-left: 0; }
.chain-step:hover { background: #fcfbf8; }
.chain-k { font-family: var(--font-mono); font-size: 11px; color: var(--amber); letter-spacing: .1em; }
.chain-step h4 { margin: 6px 0 4px; font-size: 15.5px; }
.chain-step p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.chain-step a { position: absolute; inset: 0; }

/* ---------- 物资包 ---------- */
.pack {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m);
  padding: 22px; display: flex; flex-direction: column; gap: 10px; height: 100%;
  position: relative; overflow: hidden;
}
.pack::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--teal); }
.pack.p2::before { background: var(--amber); }
.pack.p3::before { background: #7c9c8e; }
.pack.p4::before { background: var(--ink-3); }
.pack-ico { font-family: var(--font-serif); font-size: 13px; color: var(--teal); letter-spacing: .12em; font-weight: 700; }
.pack h3 { font-size: 18px; margin: 0; }
.pack p { margin: 0; font-size: 13.5px; color: var(--muted); }
.pack .pack-meta { margin-top: auto; font-size: 12.5px; color: var(--ink-3); display: flex; justify-content: space-between; border-top: 1px dashed var(--line); padding-top: 10px; }

/* ---------- 入口卡 ---------- */
.entry {
  display: block; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-m);
  background: #fff; color: var(--ink); position: relative; transition: .18s ease;
}
.entry:hover { text-decoration: none; border-color: var(--teal); box-shadow: var(--shadow-m); transform: translateY(-2px); }
.entry-idx { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: .1em; }
.entry h3 { margin: 8px 0 6px; font-size: 18px; }
.entry p { margin: 0 0 14px; font-size: 13px; color: var(--muted); }
.entry-go { font-size: 13px; color: var(--teal); font-weight: 600; }
.entry-go::after { content: " →"; }

/* ---------- 数据条 ---------- */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; background: #fff; }
.metric { padding: 20px 22px; border-left: 1px solid var(--line); }
.metric:first-child { border-left: 0; }
.metric b { display: block; font-family: var(--font-serif); font-size: 30px; line-height: 1.15; color: var(--ink); }
.metric span { font-size: 12.5px; color: var(--muted); }
.metric small { display: block; margin-top: 4px; font-size: 11px; color: var(--teal); letter-spacing: .04em; }

/* ---------- 表单 ---------- */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12.5px; color: var(--ink-3); font-weight: 600; letter-spacing: .03em; }
.input, .select, .textarea {
  width: 100%; padding: 10px 13px; border: 1px solid var(--line-strong);
  border-radius: 8px; background: #fff; font-size: 14.5px; color: var(--ink);
  transition: border-color .15s;
}
.input:focus, .select:focus, .textarea:focus { border-color: var(--teal); outline: none; box-shadow: 0 0 0 3px rgba(15,110,110,.1); }
.textarea { resize: vertical; min-height: 130px; line-height: 1.7; }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.toolbar .input { flex: 1 1 220px; min-width: 160px; }
.search-box { position: relative; flex: 1 1 260px; }
.search-box .input { padding-left: 36px; }
.search-box svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--muted); }

/* ---------- 徽标 / 标签 ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 99px; border: 1px solid var(--line-strong);
  background: #fff; color: var(--ink-3); font-size: 12.5px; cursor: pointer;
  transition: .15s;
}
.chip:hover { border-color: var(--teal); color: var(--teal-dark); }
.chip[aria-pressed="true"] { background: var(--teal); border-color: var(--teal); color: #fff; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 9px; border-radius: 99px; font-size: 11.5px; font-weight: 600;
  background: var(--teal-soft); color: var(--teal-dark); white-space: nowrap;
}
.badge.amber { background: var(--amber-soft); color: #8a5a12; }
.badge.gray { background: #eef1ef; color: var(--ink-3); }
.badge.red { background: var(--danger-soft); color: var(--danger); }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.tag { font-family: var(--font-mono); font-size: 11px; color: var(--muted); letter-spacing: .04em; }

/* ---------- 列表 ---------- */
.list { display: flex; flex-direction: column; gap: 0; }
.list-item { padding: 20px 0; border-top: 1px solid var(--line); }
.list-item:first-child { border-top: 0; }
.list-item h3 { font-size: 17.5px; margin: 4px 0 6px; line-height: 1.45; }
.list-item h3 a { color: var(--ink); }
.list-item h3 a:hover { color: var(--teal-dark); }
.list-item p { margin: 0 0 10px; font-size: 14px; color: var(--ink-3); }
.list-meta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; font-size: 12px; color: var(--muted); }
.list-meta .sep { width: 1px; height: 11px; background: var(--line-strong); }
.original { font-size: 12.5px; color: var(--muted); border-left: 2px solid var(--line); padding-left: 10px; margin-top: 8px; display: none; }
.original.show { display: block; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-m); background: #fff; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 760px; }
table.data th {
  text-align: left; padding: 12px 14px; background: #fbfaf7;
  font-size: 12px; letter-spacing: .05em; color: var(--muted); font-weight: 600;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.data td { padding: 12px 14px; border-bottom: 1px solid #eff1ee; vertical-align: top; }
table.data tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #fcfbf8; }
.term-zh { font-weight: 600; }
.term-foreign { color: var(--teal-dark); }
.th-lang { white-space: nowrap; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; flex-wrap: wrap; }
.pager-btns { display: flex; gap: 6px; }
.page-btn { min-width: 34px; height: 34px; padding: 0 10px; border: 1px solid var(--line-strong); background: #fff; border-radius: 6px; font-size: 13px; cursor: pointer; }
.page-btn[aria-current="true"] { background: var(--teal); color: #fff; border-color: var(--teal); }
.page-btn:disabled { opacity: .45; cursor: not-allowed; }

/* ---------- 加载 / 空态 ---------- */
.skeleton { background: linear-gradient(90deg, #eef0ed 25%, #f6f7f4 37%, #eef0ed 63%); background-size: 400% 100%; animation: sk 1.3s ease infinite; border-radius: 6px; }
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.empty { text-align: center; padding: 54px 20px; color: var(--muted); }
.empty b { display: block; font-family: var(--font-serif); font-size: 19px; color: var(--ink-2); margin-bottom: 6px; }

/* ---------- 页脚 ---------- */
.footer { background: var(--ink); color: #b9c9c6; margin-top: 40px; padding: 44px 0 30px; font-size: 13.5px; }
.footer a { color: #dbe7e4; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.footer h4 { color: #fff; font-family: var(--font-sans); font-size: 13px; letter-spacing: .08em; margin: 0 0 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 7px; }
.footer .brand { color: #fff; }
.footer .brand-mark { background: #fff; color: var(--teal); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 30px; padding-top: 18px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: #8ba09c; }
.disclaimer {
  background: rgba(227, 160, 60, .12); border: 1px solid rgba(227, 160, 60, .3);
  color: #f0d9b3; border-radius: 8px; padding: 12px 14px; font-size: 12.5px; line-height: 1.6;
}

/* ---------- 翻译页 ---------- */
.translate-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #fbfaf7; }
.panel-body { padding: 16px; }
.lang-row { display: grid; grid-template-columns: 1fr 40px 1fr; gap: 8px; align-items: center; }
.lang-swap { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line-strong); background: #fff; cursor: pointer; display: grid; place-items: center; }
.lang-swap:hover { border-color: var(--teal); color: var(--teal); }
.output {
  min-height: 168px; padding: 14px; border: 1px dashed var(--line-strong); border-radius: 8px;
  background: #fcfcfa; font-size: 15.5px; line-height: 1.85; white-space: pre-wrap;
}
.hl { background: rgba(227, 160, 60, .26); border-bottom: 2px solid var(--amber); padding: 1px 2px; border-radius: 3px; cursor: help; }
.hl-t { background: rgba(15, 110, 110, .16); border-bottom: 2px solid var(--teal); padding: 1px 2px; border-radius: 3px; cursor: help; }
.gloss-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px dashed var(--line); font-size: 13.5px; }
.gloss-row:first-child { border-top: 0; }
.gloss-zh { min-width: 86px; font-weight: 600; }
.gloss-arrow { color: var(--amber); }
.gloss-foreign { color: var(--teal-dark); flex: 1; }
.ctx-item { padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 8px; font-size: 13px; background: #fcfcfa; }
.ctx-item .src { color: var(--muted); font-size: 11.5px; }
.ctx-item .tgt { color: var(--teal-dark); margin-top: 4px; }
.quick-examples { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

/* ---------- 问答页 ---------- */
.ask-layout { display: grid; grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }
.chat { display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; gap: 12px; }
.msg-avatar { width: 32px; height: 32px; border-radius: 8px; background: var(--teal); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 700; flex-shrink: 0; font-family: var(--font-serif); }
.msg.user .msg-avatar { background: var(--ink-3); }
.msg-body { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; font-size: 14.5px; line-height: 1.8; max-width: 100%; }
.msg.user .msg-body { background: var(--teal-soft); border-color: #cfe3df; }
.msg-body p:last-child { margin-bottom: 0; }
.cite { color: var(--teal-dark); font-size: 11px; vertical-align: super; font-weight: 700; }
.sources { margin-top: 12px; border-top: 1px dashed var(--line); padding-top: 10px; }
.source-item { display: flex; gap: 8px; font-size: 12.5px; padding: 4px 0; color: var(--ink-3); }
.source-idx { font-family: var(--font-mono); color: var(--teal); flex-shrink: 0; }
.refuse { background: var(--amber-soft); border: 1px solid #eed4a8; border-radius: 10px; padding: 14px 16px; font-size: 14px; color: #6b4a12; }
.ask-input { display: flex; gap: 10px; align-items: flex-end; }
.ask-input textarea { min-height: 56px; max-height: 180px; }
.suggest { display: flex; flex-direction: column; gap: 8px; }
.suggest button { text-align: left; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 13px; color: var(--ink-3); cursor: pointer; }
.suggest button:hover { border-color: var(--teal); color: var(--teal-dark); background: var(--teal-soft); }
.diag { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }

/* ---------- 抽屉 ---------- */
.drawer-mask { position: fixed; inset: 0; background: rgba(11,31,42,.4); z-index: 80; display: none; }
.drawer-mask.show { display: block; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(480px, 92vw); background: #fff; z-index: 81; transform: translateX(100%); transition: transform .22s ease; overflow-y: auto; box-shadow: var(--shadow-l); }
.drawer.show { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; z-index: 1; }
.drawer-body { padding: 22px; }
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 10px 14px; font-size: 14px; }
.kv dt { color: var(--muted); font-size: 12.5px; padding-top: 2px; }
.kv dd { margin: 0; word-break: break-word; }

/* ---------- 提示 ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 99px; font-size: 13.5px; opacity: 0; pointer-events: none; transition: .2s; z-index: 200; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.note { font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; align-items: flex-start; }
.note::before { content: "※"; color: var(--amber); }

/* ---------- 响应式 ---------- */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; padding-top: 44px; padding-bottom: 40px; }
  .hero-panel { max-width: 560px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .translate-grid { grid-template-columns: 1fr; }
  .ask-layout { grid-template-columns: 1fr; }
  .chain { grid-template-columns: repeat(2, 1fr); }
  .chain-step { border-left: 0; border-top: 1px solid var(--line); }
  .chain-step:nth-child(1), .chain-step:nth-child(2) { border-top: 0; }
  .chain-step:nth-child(even) { border-left: 1px solid var(--line); }
}

@media (max-width: 1360px) {
  .quick-btn kbd { display: none; }
}
@media (max-width: 1120px) {
  .status-pill { display: none; }
}
@media (max-width: 1180px) {
  .brand-sub { display: none; }
}
@media (max-width: 900px) {
  .nav-toggle {
    display: inline-grid; place-items: center; flex: 0 0 40px;
    margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line-strong);
    background: #fff; border-radius: 8px; cursor: pointer;
  }
  .nav {
    position: absolute; top: 71px; left: 0; right: 0; z-index: 60;
    background: #fff; border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; padding: 8px;
    display: none; box-shadow: var(--shadow-m); overflow: visible;
  }
  .nav.open { display: flex; }
  .nav a { padding: 11px 14px; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .topbar-inner { gap: 10px; }
  .nav-toggle { flex: 0 0 40px; }
  .hero-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
  .hero-stat b { font-size: 23px; }
  .nav { position: absolute; top: 71px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; padding: 8px; display: none; box-shadow: var(--shadow-m); overflow: visible; }
  .nav.open { display: flex; }
  .nav a { padding: 11px 14px; }
  .nav-toggle { display: inline-grid; place-items: center; margin-left: auto; width: 40px; height: 40px; border: 1px solid var(--line-strong); background: #fff; border-radius: 8px; cursor: pointer; }
  .status-pill { display: none; }
  .section { padding: 40px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .metric:nth-child(4) { border-top: 1px solid var(--line); }
  .hero-foot { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .chain { grid-template-columns: 1fr; }
  .chain-step { border-left: 0 !important; }
  .lang-row { grid-template-columns: 1fr; gap: 10px; }
  .lang-swap { justify-self: start; }
  table.data { min-width: 640px; }
}
@media (max-width: 380px) {
  .topbar-inner { gap: 8px; }
  .brand { gap: 8px; }
  .brand-name { font-size: 16px; letter-spacing: .01em; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   二轮增强：语言速查 / 国家覆盖 / 国家卡片 / 历史 / 双语卡
   ============================================================ */

::selection { background: rgba(15, 110, 110, .18); }

.hero-wave { position: absolute; left: 0; right: 0; bottom: 0; height: 190px; z-index: 0; pointer-events: none; }
.hero-wave svg { width: 100%; height: 100%; display: block; }
.hero-inner { z-index: 1; }

/* 语言速查条 */
.lang-ribbon {
  position: relative; overflow: hidden;
  display: grid; grid-template-columns: 210px 1fr; gap: 26px; align-items: center;
  background: linear-gradient(120deg, #0b1f2a 0%, #123a40 58%, #0f6e6e 100%);
  border-radius: var(--radius-l); padding: 24px 26px; box-shadow: var(--shadow-m);
}
.lang-ribbon::after {
  content: ""; position: absolute; right: -80px; top: -90px; width: 260px; height: 260px;
  border-radius: 50%; background: rgba(227, 160, 60, .18); filter: blur(6px);
}
.lang-ribbon .eyebrow { color: var(--amber); }
.lang-ribbon h2 { color: #fff; font-size: 19px; margin: 6px 0 0; }
.lang-ribbon-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(102px, 1fr)); gap: 8px; position: relative; z-index: 1; }
.lang-chip {
  display: flex; flex-direction: column; gap: 1px; padding: 9px 12px;
  border-radius: 9px; border: 1px solid rgba(255, 255, 255, .13);
  background: rgba(255, 255, 255, .07); color: #fff; transition: .16s ease;
}
.lang-chip:hover { background: rgba(255, 255, 255, .16); border-color: rgba(255, 255, 255, .3); text-decoration: none; transform: translateY(-1px); }
.lang-chip b { font-size: 14px; font-weight: 600; }
.lang-chip span { font-size: 10.5px; color: #b6c9c6; letter-spacing: .02em; }

/* 国家覆盖条 */
.country-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.country-pill {
  display: flex; align-items: center; gap: 10px; padding: 11px 12px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink);
  transition: .16s ease;
}
.country-pill:hover { text-decoration: none; border-color: var(--teal); background: #fff; box-shadow: var(--shadow-s); transform: translateY(-1px); }
.country-pill .cc-code { width: 30px; height: 30px; border-radius: 8px; font-size: 11.5px; }
.country-pill b { display: block; font-size: 13px; line-height: 1.25; }
.country-pill small { display: block; font-size: 10px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.cc-code {
  width: 44px; height: 44px; border-radius: 11px; flex: 0 0 auto;
  background: var(--teal); color: #fff; display: grid; place-items: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 13px; letter-spacing: .04em;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .14);
}

/* 国家与语种页 */
.stat-row { display: flex; gap: 40px; flex-wrap: wrap; }
.stat b { display: block; font-family: var(--font-serif); font-size: 28px; line-height: 1.15; color: var(--teal-dark); }
.stat span { font-size: 12.5px; color: var(--muted); }

.lang-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
.chip-btn {
  display: inline-flex; align-items: center; gap: 5px; padding: 5px 12px;
  border: 1px solid var(--line-strong); border-radius: 99px; background: #fff;
  color: var(--ink-3); font-size: 12.5px; cursor: pointer; transition: .15s;
}
.chip-btn:hover { border-color: var(--teal); color: var(--teal-dark); }
.chip-btn.active { background: var(--teal); border-color: var(--teal); color: #fff; }
.chip-btn em { font-style: normal; font-size: 11px; opacity: .65; }

.country-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.country-card {
  display: flex; flex-direction: column; gap: 12px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  padding: 22px; transition: .18s ease;
}
.country-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); border-color: var(--line-strong); }
.cc-head { display: flex; align-items: center; gap: 12px; }
.cc-head h3 { margin: 0; font-size: 18px; line-height: 1.3; }
.cc-head h3 small { display: block; font-family: var(--font-sans); font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: .04em; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip-lang { background: var(--teal-soft); border-color: transparent; color: var(--teal-dark); font-size: 11.5px; cursor: default; }
.cc-meta { display: grid; grid-template-columns: 72px 1fr; gap: 6px 10px; margin: 0; font-size: 12.5px; }
.cc-meta dt { color: var(--muted); }
.cc-meta dd { margin: 0; color: var(--ink-3); }
.cc-note { margin: 0; padding-left: 10px; border-left: 3px solid var(--amber-soft); font-size: 12.5px; color: var(--muted); }
.cc-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }

/* 入口强调卡 */
.entry-accent { background: linear-gradient(150deg, #fbf0dc 0%, #fff 62%); border-color: #eed4a8; }

/* 翻译历史 */
.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-item {
  display: grid; grid-template-columns: 120px 1fr 1fr; gap: 12px; align-items: center;
  width: 100%; text-align: left; padding: 10px 12px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 9px; cursor: pointer;
  transition: .15s ease;
}
.history-item:hover { border-color: var(--teal); background: #fff; }
.history-lang { font-size: 11.5px; font-weight: 600; color: var(--teal-dark); }
.history-zh { font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-tgt { font-size: 13px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 双语应急卡（打印） */
.print-card { display: none; }
@media print {
  body { background: #fff; }
  body > *:not(#printCard) { display: none !important; }
  #printCard {
    display: block !important;
    width: 100%; max-width: 150mm; margin: 0 auto; padding: 0;
    border: 2px solid #0f6e6e; border-radius: 6mm; overflow: hidden;
  }
  @page { margin: 16mm; }
}
.print-card .pc-brand {
  background: #0f6e6e; color: #fff; padding: 14px 18px;
  font-family: var(--font-serif); font-size: 17px; font-weight: 700; letter-spacing: .04em;
}
.print-card .pc-brand span { display: block; font-family: var(--font-sans); font-size: 10.5px; font-weight: 400; color: #cfe3df; letter-spacing: .06em; margin-top: 2px; }
.print-card .pc-row { padding: 14px 18px; }
.print-card .pc-label { font-size: 10.5px; letter-spacing: .12em; color: #61737a; margin-bottom: 4px; }
.print-card .pc-text { font-size: 15px; line-height: 1.6; color: #0b1f2a; }
.print-card .pc-text.pc-strong { font-size: 18px; font-weight: 600; }
.print-card .pc-divider { height: 1px; background: #e0e5e1; margin: 0 18px; }
.print-card .pc-foot { border-top: 1px dashed #e0e5e1; padding: 9px 18px; font-size: 9.5px; color: #61737a; }

/* 统计数字的轻量强调 */
.metric b, .hero-stat b { font-variant-numeric: tabular-nums; }

/* 新增组件的响应式 */
@media (max-width: 1080px) {
  .country-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .country-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .lang-ribbon { grid-template-columns: 1fr; gap: 16px; padding: 20px; }
  .lang-ribbon-list { grid-template-columns: repeat(auto-fit, minmax(92px, 1fr)); }
  .country-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .country-grid { grid-template-columns: 1fr; }
  .history-item { grid-template-columns: 1fr; gap: 2px; }
  .stat-row { gap: 22px; }
}

/* 表格行悬停与链接细节 */
table.data tbody tr { transition: background .12s ease; }
table.data tbody tr:hover { background: #fbfaf6; }
.btn:active { transform: translateY(1px); }

.chip em { font-style: normal; font-size: 11px; opacity: .6; margin-left: 2px; }
.chip[aria-pressed="true"] { background: var(--teal); border-color: var(--teal); color: #fff; }
.chip[aria-pressed="true"] em { opacity: .8; }
a.chip { text-decoration: none; }
a.chip:hover { text-decoration: none; border-color: var(--teal); }

/* ---------- 品牌标志 ---------- */
.logo-mark {
  width: 38px; height: 38px; flex: 0 0 auto; display: block;
  border-radius: 11px; box-shadow: 0 1px 2px rgba(11, 31, 42, .18);
  transition: transform .16s ease;
}
.brand:hover .logo-mark { transform: translateY(-1px); }
.footer .logo-mark { box-shadow: 0 0 0 1px rgba(255, 255, 255, .16); }

.brandboard {
  display: grid; grid-template-columns: 320px 1fr; gap: 28px; align-items: center;
  background: linear-gradient(120deg, #fff 0%, #f1f7f5 100%);
}
.brand-lockup { width: 100%; max-width: 330px; height: auto; display: block; }

/* ---------- 国家与语种：视图切换 ---------- */
.view-tabs {
  display: inline-flex; gap: 4px; padding: 4px; margin-bottom: 20px;
  background: #eae6dd; border-radius: 99px;
}
.view-tab {
  border: 0; background: transparent; color: var(--ink-3); cursor: pointer;
  padding: 7px 18px; border-radius: 99px; font-size: 13.5px; transition: .16s ease;
}
.view-tab em { font-style: normal; font-size: 11px; color: var(--muted); margin-left: 4px; }
.view-tab:hover { color: var(--teal-dark); }
.view-tab.active { background: #fff; color: var(--teal-dark); font-weight: 600; box-shadow: var(--shadow-s); }
.view-tab.active em { color: var(--teal); }

/* 国家分组 */
.region-block + .region-block { margin-top: 32px; }
.region-head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.region-head h2 { margin: 0; font-size: 17px; font-family: var(--font-serif); letter-spacing: .02em; }
.region-head span { font-size: 12px; color: var(--muted); }

/* 国家卡片（新版） */
.cc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.country-card .cc-code { width: 42px; height: 42px; font-size: 12.5px; border-radius: 11px; }
.cc-region { font-size: 11px; letter-spacing: .1em; color: var(--muted); }
.cc-title { margin: 0; font-family: var(--font-serif); font-size: 20px; line-height: 1.25; }
.cc-title small {
  display: block; margin-top: 2px; font-family: var(--font-sans);
  font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: .04em;
}
.cc-capital { margin: -6px 0 0; font-size: 12px; color: var(--muted); }
.cc-langs { display: flex; flex-wrap: wrap; gap: 6px; }
.cc-lang {
  display: inline-flex; align-items: baseline; gap: 6px; padding: 3px 10px;
  border-radius: 99px; background: var(--teal-soft); color: var(--teal-dark); font-size: 11.5px;
}
.cc-lang small { font-size: 10px; opacity: .72; }
.cc-risk { display: flex; gap: 8px; margin: 0; font-size: 12.5px; color: var(--ink-3); line-height: 1.55; }
.cc-risk b { flex: 0 0 auto; color: var(--muted); font-weight: 400; }
.country-card .cc-actions { padding-top: 4px; border-top: 1px dashed var(--line); }

/* 语种卡片 */
.lang-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lang-card {
  display: flex; flex-direction: column; gap: 13px; padding: 22px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  transition: .18s ease;
}
.lang-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-m); border-color: var(--line-strong); }
.lc-head { display: flex; align-items: center; gap: 12px; }
.lc-code {
  width: 44px; height: 44px; flex: 0 0 auto; border-radius: 12px;
  display: grid; place-items: center; background: var(--teal-soft); color: var(--teal-dark);
  font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: .04em;
}
.lc-head h3 { margin: 0; font-size: 18px; line-height: 1.3; }
.lc-native { margin: 0; font-size: 12.5px; color: var(--muted); }
.lc-meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.lc-tag {
  display: inline-block; padding: 3px 9px; border-radius: 99px;
  background: var(--paper); border: 1px solid var(--line); color: var(--ink-3); font-size: 11px;
}
.lc-greet {
  display: flex; align-items: baseline; gap: 10px; padding: 10px 14px;
  background: var(--paper); border-left: 3px solid var(--amber); border-radius: 0 10px 10px 0;
}
.lc-greet b { font-size: 16px; color: var(--teal-dark); }
.lc-greet span { font-size: 12px; color: var(--muted); }
.lc-list { margin: 0; padding-left: 18px; font-size: 12.5px; color: var(--ink-3); line-height: 1.7; }
.lc-list li + li { margin-top: 4px; }
.lc-tip { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.lc-tip b { color: var(--amber); margin-right: 8px; font-weight: 600; }
.lc-foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--line); }
.lc-foot > span { flex: 1 1 100%; }

/* 国家详情弹层 */
dialog.detail {
  width: min(780px, calc(100vw - 32px)); max-height: min(86vh, 920px);
  padding: 0; border: 0; border-radius: 18px; background: #fff; color: var(--ink);
  box-shadow: var(--shadow-l); overflow: hidden;
}
dialog.detail::backdrop { background: rgba(11, 31, 42, .46); backdrop-filter: blur(2px); }
.detail-head {
  display: flex; align-items: flex-start; gap: 14px; padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line); background: linear-gradient(150deg, #f2f7f5 0%, #fff 72%);
}
.detail-head .cc-code { width: 46px; height: 46px; font-size: 13px; border-radius: 12px; }
.detail-head .cc-title { font-size: 22px; }
.detail-close {
  margin-left: auto; width: 34px; height: 34px; flex: 0 0 auto;
  border: 1px solid var(--line); border-radius: 9px; background: #fff;
  color: var(--ink-3); font-size: 20px; line-height: 1; cursor: pointer;
}
.detail-close:hover { border-color: var(--teal); color: var(--teal-dark); }
.detail-body { padding: 20px 24px 26px; max-height: calc(86vh - 92px); overflow: auto; }
.detail-body h4 {
  margin: 22px 0 10px; font-size: 11.5px; letter-spacing: .14em;
  color: var(--muted); font-weight: 600;
}
.detail-body h4:first-child { margin-top: 0; }
.detail-pair { display: grid; grid-template-columns: 92px 1fr; gap: 8px 14px; margin: 0; font-size: 13.5px; }
.detail-pair dt { color: var(--muted); }
.detail-pair dd { margin: 0; color: var(--ink-2); line-height: 1.65; }
.detail-pair .dd-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.detail-lang { padding: 14px 16px; background: var(--paper); border-radius: 12px; }
.detail-lang + .detail-lang { margin-top: 10px; }
.dl-head { display: flex; align-items: baseline; gap: 10px; }
.dl-head b { font-size: 15px; }
.dl-head span { font-size: 12.5px; color: var(--muted); }
.dl-line { margin: 4px 0 8px; font-size: 12px; color: var(--muted); }
.dl-greet { margin: 0 0 8px; font-size: 15px; color: var(--teal-dark); }
.dl-greet span { margin-left: 10px; font-size: 12px; color: var(--muted); }
.detail-lang .lc-list { font-size: 12.5px; }
.dl-tip { margin: 8px 0 0; font-size: 12.5px; color: var(--muted); line-height: 1.65; }
.dl-tip b { color: var(--amber); margin-right: 8px; font-weight: 600; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

@media (max-width: 900px) {
  .lang-grid { grid-template-columns: 1fr; }
  .brandboard { grid-template-columns: 1fr; gap: 16px; }
  .brand-lockup { max-width: 280px; }
}
@media (max-width: 760px) {
  .detail-body { padding: 16px 18px 22px; }
  .detail-head { padding: 16px 18px 14px; }
  .detail-pair { grid-template-columns: 1fr; gap: 2px 0; }
  .detail-pair dt { margin-top: 8px; }
  .view-tab { padding: 7px 14px; font-size: 13px; }
}

/* ---------- 国家与语种：页头路线图与工具条 ---------- */
.page-hero .wrap { position: relative; }
.route-art {
  position: absolute; right: 0; top: 6px; width: 430px; max-width: 40%;
  pointer-events: none; user-select: none;
}
.route-art svg { width: 100%; height: auto; display: block; }
.route-note {
  position: absolute; right: 8px; top: -4px;
  padding: 2px 9px; background: #fff; border: 1px solid var(--line); border-radius: 99px;
  font-size: 10.5px; letter-spacing: .14em; color: var(--muted); white-space: nowrap;
}
@media (min-width: 1081px) {
  .page-hero .wrap {
    display: grid; grid-template-columns: minmax(0, 1fr) 390px;
    column-gap: 44px; align-items: start;
  }
  .page-hero .wrap > .eyebrow,
  .page-hero .wrap > h1,
  .page-hero .wrap > .lead,
  .page-hero .wrap > .stat-row { grid-column: 1; }
  .page-hero .lead { max-width: none; }
  .page-hero .route-art {
    position: relative; inset: auto; grid-column: 2; grid-row: 1 / span 4;
    width: 100%; max-width: none; align-self: center; margin-top: 6px;
  }
}
@media (max-width: 1080px) {
  .route-art { display: none; }
  .page-hero .lead { max-width: 62em; }
}

.list-tools {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 20px;
}
.list-tools .view-tabs { margin-bottom: 0; }
.list-tools .search-box { max-width: 380px; }
.list-tools .search-box .input { width: 100%; }
.tools-count { margin-left: auto; font-size: 12.5px; color: var(--muted); white-space: nowrap; }
.tools-count b { color: var(--teal-dark); font-weight: 600; font-variant-numeric: tabular-nums; }

.country-card { position: relative; overflow: hidden; }
.country-card::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--teal); opacity: .38;
}
.country-card.r-cn::before { background: var(--amber); opacity: .8; }
.country-card.r-mainland::before { background: var(--teal); opacity: .6; }
.country-card.r-maritime::before { background: #3f7ca6; opacity: .55; }
.cc-watermark {
  position: absolute; right: -6px; bottom: -26px; z-index: 0;
  font-family: var(--font-mono); font-size: 94px; font-weight: 700; line-height: 1;
  letter-spacing: -.06em; color: rgba(15, 110, 110, .055);
  pointer-events: none; user-select: none;
}
.country-card > *:not(.cc-watermark) { position: relative; z-index: 1; }

.empty-state {
  display: flex; flex-direction: column; align-items: center; gap: 9px;
  padding: 46px 20px; text-align: center; background: #fff;
  border: 1px dashed var(--line-strong); border-radius: var(--radius-l);
}
.empty-state strong { font-family: var(--font-serif); font-size: 17px; }

@media (max-width: 760px) {
  .list-tools { gap: 10px; }
  .list-tools .search-box { flex: 1 1 100%; max-width: none; order: 3; }
  .tools-count { order: 4; margin-left: 0; }
  .country-card::before { height: 2px; }
}

/* ---------- 翻译页：语音输入 ---------- */
.voice-bar {
  display: flex; align-items: stretch; gap: 14px; flex-wrap: wrap;
  margin-top: 14px; padding: 12px;
  background:
    radial-gradient(420px 140px at 0% 0%, #e9f5f1 0%, transparent 70%),
    radial-gradient(320px 140px at 100% 100%, #fbf1df 0%, transparent 72%),
    #fdfdfb;
  border: 1px solid #d9e6e1; border-radius: 16px;
}
.mic-btn {
  position: relative; display: flex; align-items: center; gap: 12px;
  min-width: 268px; padding: 10px 16px 10px 10px;
  border: 0; border-radius: 14px; cursor: pointer; overflow: hidden;
  background: linear-gradient(135deg, #12807d 0%, #0a5252 100%);
  color: #fff; text-align: left; font-family: inherit;
  box-shadow: 0 8px 22px rgba(10, 82, 82, .22), inset 0 1px 0 rgba(255, 255, 255, .2);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}
.mic-btn::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(120px 64px at 18% 0%, rgba(255, 255, 255, .3), transparent 72%);
}
.mic-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(10, 82, 82, .28); filter: saturate(1.06); }
.mic-btn:active { transform: translateY(0); }
.mic-btn:disabled { cursor: not-allowed; filter: grayscale(.55); opacity: .65; transform: none; }
.mic-core {
  position: relative; z-index: 1; width: 42px; height: 42px; flex: 0 0 auto;
  display: grid; place-items: center; border-radius: 50%;
  background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .3);
}
.mic-core svg { width: 21px; height: 21px; }
.mic-text { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; line-height: 1.3; }
.mic-text b { font-size: 14.5px; font-weight: 600; letter-spacing: .01em; }
.mic-text small { font-size: 10.5px; opacity: .72; letter-spacing: .02em; }
.mic-wave { position: relative; z-index: 1; display: none; align-items: flex-end; gap: 3px; height: 22px; margin-left: auto; }
.mic-wave i { width: 3px; height: 6px; border-radius: 2px; background: #fff; opacity: .9; animation: micWave 1s ease-in-out infinite; }
.mic-wave i:nth-child(2) { animation-delay: .14s; }
.mic-wave i:nth-child(3) { animation-delay: .28s; }
.mic-wave i:nth-child(4) { animation-delay: .42s; }
@keyframes micWave {
  0%, 100% { height: 5px; opacity: .55; }
  50% { height: 20px; opacity: 1; }
}
.mic-timer {
  position: relative; z-index: 1; display: none; margin-left: 8px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .06em; opacity: .9;
}
.mic-btn.listening { background: linear-gradient(135deg, #c0503d 0%, #8f2f22 100%); box-shadow: 0 10px 26px rgba(180, 64, 47, .3); }
.mic-btn.listening .mic-wave { display: flex; }
.mic-btn.listening .mic-timer { display: inline; }
.mic-btn.listening .mic-halo {
  position: absolute; left: 10px; top: 10px; z-index: 0;
  width: 42px; height: 42px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .55);
  animation: micHalo 1.8s ease-out infinite;
}
@keyframes micHalo {
  0% { transform: scale(1); opacity: .75; }
  100% { transform: scale(1.95); opacity: 0; }
}
.mic-panel { flex: 1 1 230px; display: flex; flex-direction: column; justify-content: center; gap: 7px; min-width: 0; }
.mic-status { font-size: 12.5px; color: var(--ink-3); line-height: 1.5; }
.mic-status.warn { color: var(--danger); }
.voice-opts { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.voice-opt { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; }
.voice-opt input { width: 15px; height: 15px; accent-color: var(--teal); cursor: pointer; }
.voice-privacy { margin: 8px 2px 0; font-size: 11.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 翻译页：应急话术库 ---------- */
.phrase-lab {
  margin-top: 24px; padding: 24px;
  background:
    radial-gradient(560px 190px at 100% 0%, #fbf0dc 0%, transparent 62%),
    radial-gradient(420px 180px at 0% 100%, #ecf5f2 0%, transparent 66%),
    #fff;
  border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow-s);
}
.phrase-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.phrase-head h2 { margin: 8px 0 4px; font-family: var(--font-serif); font-size: clamp(20px, 2.4vw, 26px); letter-spacing: .01em; }
.phrase-head p { margin: 0; max-width: 62em; }
.phrase-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.phrase-tab {
  padding: 5px 13px; border-radius: 99px; cursor: pointer;
  border: 1px solid var(--line-strong); background: #fff; color: var(--ink-3);
  font-size: 12.5px; font-family: inherit; transition: .15s ease;
}
.phrase-tab em { font-style: normal; font-size: 10.5px; color: var(--muted); margin-left: 3px; }
.phrase-tab:hover { border-color: var(--teal); color: var(--teal-dark); }
.phrase-tab.active { background: var(--teal); border-color: var(--teal); color: #fff; }
.phrase-tab.active em { color: rgba(255, 255, 255, .76); }
.phrase-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.phrase-card {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding: 15px 16px 13px; text-align: left; cursor: pointer; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: 13px;
  font-family: inherit; color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.phrase-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--teal); opacity: .22; transition: .18s ease;
}
.phrase-card:hover { transform: translateY(-2px); border-color: #bcd6cf; box-shadow: var(--shadow-m); }
.phrase-card:hover::before { background: var(--amber); opacity: .95; }
.phrase-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.phrase-cat { padding: 2px 8px; border-radius: 99px; background: var(--teal-soft); color: var(--teal-dark); font-size: 10.5px; letter-spacing: .1em; }
.phrase-num { font-family: var(--font-mono); font-size: 10.5px; color: var(--line-strong); }
.phrase-text { min-height: 3.2em; font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.phrase-go { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; font-size: 11.5px; color: var(--muted); }
.phrase-go span { transition: transform .18s ease; }
.phrase-card:hover .phrase-go { color: var(--amber); }
.phrase-card:hover .phrase-go span { transform: translateX(3px); }

@media (max-width: 900px) {
  .phrase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .voice-bar { flex-direction: column; }
  .mic-btn { width: 100%; min-width: 0; }
  .phrase-lab { padding: 18px; }
  .phrase-grid { grid-template-columns: 1fr; }
  .phrase-head { align-items: flex-start; }
}

/* ==========================================================
   点击波纹 · 交互细节（语音按钮 / 话术卡 / 主按钮）
   ========================================================== */
.ripple-ink {
  position: absolute; z-index: 0; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle, rgba(255, 255, 255, .62) 0%, rgba(255, 255, 255, .3) 40%, rgba(255, 255, 255, 0) 72%);
  transform: scale(.12); opacity: .9;
  animation: rippleInk .64s cubic-bezier(.2, .72, .28, 1) forwards;
}
.ripple-ink.dark {
  background: radial-gradient(circle, rgba(15, 110, 110, .3) 0%, rgba(15, 110, 110, .13) 44%, rgba(15, 110, 110, 0) 72%);
}
.ripple-ink.amber {
  background: radial-gradient(circle, rgba(227, 160, 60, .38) 0%, rgba(227, 160, 60, .16) 44%, rgba(227, 160, 60, 0) 72%);
}
@keyframes rippleInk {
  0% { transform: scale(.12); opacity: .95; }
  55% { opacity: .55; }
  100% { transform: scale(1); opacity: 0; }
}
.mic-btn:active { transform: translateY(1px) scale(.994); }
.mic-btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }
.mic-btn .mic-core, .mic-btn .mic-text, .mic-btn .mic-wave, .mic-btn .mic-timer { position: relative; z-index: 2; }

.phrase-card { isolation: isolate; }
.phrase-card::after {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(230px 170px at var(--mx, 50%) var(--my, 50%), rgba(227, 160, 60, .16), transparent 66%);
  opacity: 0; transition: opacity .26s ease;
}
.phrase-card:hover::after { opacity: 1; }
.phrase-card > * { position: relative; z-index: 1; }
.phrase-card:active { transform: translateY(0) scale(.986); box-shadow: var(--shadow-s); }
.phrase-card:focus-visible { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(15, 110, 110, .2); }
.phrase-card:hover .phrase-num { color: var(--amber); }
.phrase-card:hover .phrase-cat { background: var(--amber-soft); color: #8a5a0d; }
.phrase-card:hover .phrase-text { color: var(--ink); }
.phrase-card.is-picked { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(227, 160, 60, .24), var(--shadow-m); }
.phrase-card.is-picked::before { background: var(--amber); opacity: 1; width: 4px; }
.phrase-card.is-picked .phrase-cat { background: var(--amber); color: #fff; }
.phrase-card.is-picked .phrase-go { color: var(--ok); }
.phrase-card.is-picked .phrase-go span { transform: translateX(3px); }
.btn-primary.ripple-host { position: relative; overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .ripple-ink { animation-duration: .01ms; }
  .mic-halo, .mic-wave i { animation: none !important; }
}

/* ==========================================================
   应急速查（命令面板）
   ========================================================== */
.quick-btn {
  display: inline-flex; align-items: center; gap: 7px; flex-shrink: 0;
  height: 34px; padding: 0 10px; border-radius: 9px; cursor: pointer;
  border: 1px solid var(--line-strong); background: #fff; color: var(--ink-3);
  font-size: 12.5px; font-family: inherit; white-space: nowrap;
  transition: border-color .16s, color .16s, box-shadow .16s;
}
.quick-btn:hover { border-color: var(--teal); color: var(--teal-dark); box-shadow: 0 2px 10px rgba(15, 110, 110, .1); }
.quick-btn svg { width: 14px; height: 14px; }
.quick-btn kbd {
  font-family: var(--font-mono); font-size: 10px; padding: 1px 4px; border-radius: 4px;
  border: 1px solid var(--line); background: var(--paper); color: var(--muted);
}
.quick-dialog {
  position: fixed; inset: 10vh auto auto 50%; transform: translateX(-50%);
  width: min(720px, calc(100vw - 32px)); max-height: 76vh; margin: 0; padding: 0;
  border: 1px solid #d3e0db; border-radius: 18px; background: #fff;
  box-shadow: 0 32px 90px rgba(11, 31, 42, .3); overflow: hidden;
}
.quick-dialog[open] { display: flex; flex-direction: column; animation: quickIn .22s cubic-bezier(.2, .7, .3, 1); }
.quick-dialog::backdrop { background: rgba(11, 31, 42, .44); backdrop-filter: blur(3px); }
@keyframes quickIn { from { opacity: 0; transform: translate(-50%, -12px) scale(.985); } }
.quick-head {
  display: flex; align-items: center; gap: 10px; padding: 13px 15px;
  border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fbfaf7, #fff);
}
.quick-ico {
  width: 30px; height: 30px; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 9px; background: var(--teal-soft); color: var(--teal-dark);
}
.quick-ico svg { width: 16px; height: 16px; }
.quick-head input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; font-size: 16px; color: var(--ink); }
.quick-head input::placeholder { color: #94a4a8; }
.quick-head kbd, .quick-hint kbd, .quick-foot kbd {
  font-family: var(--font-mono); font-size: 10px; padding: 1px 5px; border-radius: 4px;
  border: 1px solid var(--line); background: #fff; color: var(--muted);
}
.quick-hint {
  display: flex; gap: 14px; flex-wrap: wrap; padding: 7px 16px;
  border-bottom: 1px solid var(--line); background: #fdfdfb;
  font-size: 11px; color: var(--muted);
}
.quick-body { flex: 1; overflow-y: auto; padding: 7px; overscroll-behavior: contain; }
.quick-sec {
  margin: 8px 8px 3px; font-size: 10px; letter-spacing: .16em;
  color: var(--muted); font-weight: 600;
}
.quick-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 10px; border: 0; border-radius: 9px; background: transparent;
  text-align: left; cursor: pointer; color: inherit; font-family: inherit;
}
.quick-item:hover, .quick-item.active { background: var(--teal-soft); }
.quick-item .qi-type {
  flex: 0 0 auto; font-size: 10px; padding: 2px 7px; border-radius: 5px;
  background: #eef3f1; color: var(--teal-dark); letter-spacing: .04em;
}
.quick-item .qi-type.act { background: var(--amber-soft); color: #8a5a0d; }
.quick-item .qi-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.quick-item .qi-main b { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.quick-item .qi-main small { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.quick-item .qi-go { flex: 0 0 auto; font-size: 11px; color: var(--muted); opacity: 0; transition: opacity .15s; }
.quick-item:hover .qi-go, .quick-item.active .qi-go { opacity: 1; }
.quick-empty { padding: 30px 18px; text-align: center; color: var(--muted); font-size: 13px; line-height: 1.8; }
.quick-load { padding: 18px; }
.quick-foot {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  padding: 9px 16px; border-top: 1px solid var(--line);
  background: #fbfaf7; font-size: 11px; color: var(--muted);
}
.quick-foot .qf-brand { color: var(--teal-dark); font-weight: 600; letter-spacing: .04em; }

/* ==========================================================
   岗位工作台
   ========================================================== */
.desk-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(640px 260px at 88% 0%, rgba(227, 160, 60, .16), transparent 64%),
    radial-gradient(720px 320px at 4% 100%, rgba(15, 110, 110, .12), transparent 68%),
    #fff;
  border-bottom: 1px solid var(--line);
}
.desk-hero::after {
  content: '译'; position: absolute; right: 3%; top: -52px;
  font-family: var(--font-serif); font-size: 300px; line-height: 1;
  color: rgba(15, 110, 110, .045); pointer-events: none;
}
.desk-hero .wrap { position: relative; z-index: 1; }
.desk-hero h1 { font-size: clamp(27px, 3.8vw, 42px); margin: 12px 0 10px; }
.desk-hero .lead { max-width: 62em; }
.desk-counts { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.desk-count {
  display: inline-flex; align-items: baseline; gap: 7px; padding: 6px 12px;
  border: 1px solid var(--line); border-radius: 99px; background: #fff;
  font-size: 12px; color: var(--muted);
}
.desk-count b { font-family: var(--font-mono); font-size: 14px; color: var(--teal-dark); }

.desk-layout {
  display: grid; grid-template-columns: 248px minmax(0, 1fr);
  gap: 28px; align-items: start;
}
.desk-rail { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 6px; }
.desk-rail-title {
  font-size: 10.5px; letter-spacing: .16em; color: var(--muted);
  font-weight: 600; margin: 0 0 4px 4px;
}
.desk-tab {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 10px 12px; border-radius: 11px; cursor: pointer;
  border: 1px solid transparent; background: transparent;
  text-align: left; font-family: inherit; color: var(--ink-3);
  transition: background .16s, border-color .16s, color .16s;
}
.desk-tab:hover { background: #fff; border-color: var(--line); }
.desk-tab .dt-seal {
  width: 32px; height: 32px; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 9px; background: var(--teal-soft); color: var(--teal-dark);
  font-family: var(--font-serif); font-size: 15px; font-weight: 700;
  transition: background .16s, color .16s;
}
.desk-tab .dt-main { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.desk-tab .dt-main b { font-size: 13.5px; font-weight: 600; }
.desk-tab .dt-main small { font-size: 10.5px; color: var(--muted); }
.desk-tab.active {
  background: #fff; border-color: #cfe0da; color: var(--ink);
  box-shadow: var(--shadow-s);
}
.desk-tab.active .dt-seal { background: var(--desk-c, var(--teal)); color: #fff; }
.desk-rail-tip {
  margin-top: 10px; padding: 10px 12px; border-radius: 10px;
  background: rgba(15, 110, 110, .06); border: 1px dashed #c9ddd6;
  font-size: 11px; color: var(--ink-3); line-height: 1.7;
}

.desk-panel {
  --desk-c: var(--teal);
  position: relative; overflow: hidden;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l);
  box-shadow: var(--shadow-s);
}
.desk-panel::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--desk-c), var(--amber));
}
.desk-panel.is-switch { animation: deskIn .3s cubic-bezier(.2, .7, .3, 1); }
@keyframes deskIn { from { opacity: .35; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.desk-panel-head {
  display: flex; align-items: flex-start; gap: 18px; flex-wrap: wrap;
  padding: 26px 28px 20px; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(420px 180px at 100% 0%, rgba(227, 160, 60, .09), transparent 70%),
    #fdfdfb;
}
.desk-seal-big {
  width: 54px; height: 54px; flex: 0 0 auto; display: grid; place-items: center;
  border-radius: 14px; background: var(--desk-c); color: #fff;
  font-family: var(--font-serif); font-size: 25px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(11, 31, 42, .16);
}
.desk-panel-head h2 { margin: 0 0 3px; font-size: 25px; }
.desk-panel-head .dph-sub { font-size: 12.5px; color: var(--muted); letter-spacing: .02em; }
.desk-panel-head .dph-desc { flex: 1 1 360px; min-width: 0; font-size: 13.5px; color: var(--ink-3); margin: 0; }
.desk-body { padding: 24px 28px 28px; }

.desk-block { margin-bottom: 26px; }
.desk-block:last-child { margin-bottom: 0; }
.desk-block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.desk-block-head h3 { margin: 0; font-size: 16px; font-family: var(--font-sans); font-weight: 600; letter-spacing: .01em; }
.desk-block-head .small { margin: 0; }
.desk-kicker {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--muted);
}
.desk-kicker::before { content: ''; width: 14px; height: 1px; background: var(--desk-c, var(--teal)); }

.desk-langs { display: flex; gap: 7px; flex-wrap: wrap; }
.desk-lang {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  border: 1px solid var(--line-strong); border-radius: 99px; background: #fff;
  font-size: 12.5px; color: var(--ink-3); transition: .16s;
}
.desk-lang:hover { border-color: var(--desk-c); color: var(--desk-c); text-decoration: none; transform: translateY(-1px); }
.desk-lang em { font-style: normal; font-size: 10px; color: var(--muted); font-family: var(--font-mono); }

.desk-phrases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.desk-phrase {
  display: flex; flex-direction: column; gap: 8px; padding: 14px 15px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
  text-align: left; cursor: pointer; font-family: inherit; color: inherit;
  transition: transform .16s, border-color .16s, box-shadow .16s;
}
.desk-phrase:hover {
  transform: translateY(-2px); border-color: var(--desk-c);
  box-shadow: 0 8px 22px rgba(11, 31, 42, .08);
}
.desk-phrase .dp-q { font-size: 13.5px; line-height: 1.6; color: var(--ink-2); }
.desk-phrase .dp-go {
  display: inline-flex; align-items: center; gap: 5px; margin-top: auto;
  font-size: 11px; color: var(--muted); transition: color .16s;
}
.desk-phrase:hover .dp-go { color: var(--desk-c); }
.desk-phrase .dp-go span { transition: transform .16s; }
.desk-phrase:hover .dp-go span { transform: translateX(3px); }

.desk-tools { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.desk-tool {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  padding: 13px 14px 12px; border-radius: 12px; border: 1px solid var(--line);
  background: #fcfbf8; color: inherit; transition: .16s;
}
.desk-tool:hover {
  text-decoration: none; border-color: var(--desk-c); background: #fff;
  transform: translateY(-2px); box-shadow: var(--shadow-s);
}
.desk-tool .dt-k { font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .12em; color: var(--muted); }
.desk-tool b { font-size: 13.5px; font-weight: 600; }
.desk-tool small { font-size: 11px; color: var(--muted); line-height: 1.5; }
.desk-tool .dt-arrow { position: absolute; right: 12px; top: 12px; font-size: 12px; color: var(--line-strong); transition: .16s; }
.desk-tool:hover .dt-arrow { color: var(--desk-c); transform: translateX(2px); }

.desk-notes { display: grid; grid-template-columns: 1.25fr .75fr; gap: 14px; }
.desk-note-card {
  padding: 16px 18px; border-radius: 12px; border: 1px solid var(--line);
  background: #fcfbf8;
}
.desk-note-card h4 { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.desk-note-card ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 6px; }
.desk-note-card li { font-size: 12.5px; color: var(--ink-3); line-height: 1.65; }
.desk-note-card li::marker { color: var(--desk-c); }
.desk-alert {
  display: flex; flex-direction: column; gap: 6px; justify-content: center;
  padding: 16px 18px; border-radius: 12px;
  background: linear-gradient(150deg, rgba(227, 160, 60, .13), rgba(227, 160, 60, .04));
  border: 1px solid rgba(227, 160, 60, .38);
}
.desk-alert b { font-size: 12.5px; color: #8a5a0d; letter-spacing: .04em; }
.desk-alert p { margin: 0; font-size: 12px; line-height: 1.7; color: #6b5528; }
.desk-panel-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 28px; border-top: 1px solid var(--line); background: #fbfaf7;
  font-size: 11.5px; color: var(--muted);
}
.desk-panel-foot a { color: var(--teal-dark); }

/* 首页岗位直达 */
.role-strip { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.role-card {
  position: relative; display: flex; flex-direction: column; gap: 7px;
  padding: 15px 14px 13px; border-radius: 13px;
  border: 1px solid var(--line); background: #fdfdfb; color: inherit;
  transition: transform .18s, border-color .18s, box-shadow .18s, background .18s;
}
.role-card:hover {
  text-decoration: none; transform: translateY(-3px); background: #fff;
  border-color: var(--rc, var(--teal)); box-shadow: var(--shadow-m);
}
.role-card .rc-seal {
  width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px;
  background: color-mix(in srgb, var(--rc, #0f6e6e) 12%, #fff);
  color: var(--rc, #0f6e6e); font-family: var(--font-serif); font-size: 16px; font-weight: 700;
}
.role-card b { font-size: 13.5px; font-weight: 600; }
.role-card small { font-size: 11px; color: var(--muted); line-height: 1.55; }
.role-card .rc-go { margin-top: auto; font-size: 10.5px; color: var(--muted); display: inline-flex; gap: 4px; align-items: center; }
.role-card:hover .rc-go { color: var(--rc, var(--teal)); }
.role-card::after {
  content: ''; position: absolute; inset: auto 12px 0; height: 2px; border-radius: 2px;
  background: var(--rc, var(--teal)); opacity: 0; transition: opacity .18s;
}
.role-card:hover::after { opacity: .85; }

@media (max-width: 1080px) {
  .role-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .desk-layout { grid-template-columns: 1fr; }
  .desk-rail {
    position: static; flex-direction: row; overflow-x: auto; gap: 8px;
    padding-bottom: 6px; scrollbar-width: thin;
  }
  .desk-rail-title, .desk-rail-tip { display: none; }
  .desk-tab { flex: 0 0 auto; width: auto; border-color: var(--line); background: #fff; }
  .desk-tab .dt-main small { display: none; }
}
@media (max-width: 900px) {
  .desk-phrases { grid-template-columns: 1fr 1fr; }
  .desk-tools { grid-template-columns: 1fr 1fr; }
  .desk-notes { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .role-strip { grid-template-columns: 1fr 1fr; }
  .desk-panel-head, .desk-body { padding-left: 18px; padding-right: 18px; }
  .desk-phrases { grid-template-columns: 1fr; }
  .quick-btn kbd { display: none; }
  .quick-btn span { display: none; }
  .quick-btn { width: 36px; padding: 0; justify-content: center; }
  .quick-dialog { inset: 4vh auto auto 50%; max-height: 88vh; }
  .desk-panel-foot { padding-left: 18px; padding-right: 18px; }
}

/* ============ 导航升级：高频优先 + 探索菜单 ============ */
.nav-more { position: relative; display: inline-flex; }
.nav-more-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 8px 9px; border: 0; border-radius: 8px; background: transparent;
  color: var(--ink-3); font-size: 14px; cursor: pointer; white-space: nowrap;
}
.nav-more-btn:hover, .nav-more-btn.active { background: rgba(15, 110, 110, .07); color: var(--teal-dark); }
.nav-more-btn.open { background: var(--teal-soft); color: var(--teal-dark); }
.nav-more-btn svg { width: 9px; height: 6px; transition: transform .18s ease; }
.nav-more-btn.open svg { transform: rotate(180deg); }
.nav-more-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 188px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-l); padding: 6px; display: none; z-index: 70;
}
.nav-more-menu.open { display: block; animation: menuIn .16s ease; }
.nav-more-menu a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 8px 10px; border-radius: 8px; font-size: 14px; color: var(--ink-2); white-space: nowrap;
}
.nav-more-menu a:hover { background: var(--teal-soft); text-decoration: none; }
.nav-more-menu a.active { color: var(--teal-dark); font-weight: 600; background: var(--teal-soft); }
.nav-new { font-size: 10px; line-height: 1; color: #fff; background: var(--amber); border-radius: 99px; padding: 3px 5px; }
.nav a.nav-primary { background: var(--teal); color: #fff; font-weight: 600; padding: 8px 11px; }
.nav a.nav-primary:hover { background: var(--teal-dark); color: #fff; }
.nav a.nav-primary.active { background: var(--teal-dark); color: #fff; }
@keyframes menuIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ============ 首页一条龙：可点击 + 波纹 ============ */
.rail-tip { font-family: var(--font-sans); font-size: 10.5px; color: var(--amber); letter-spacing: .04em; margin-left: 6px; font-weight: 400; }
.hero-panel .rail li { display: block; padding: 0; position: relative; overflow: hidden; }
.rail-link {
  display: grid; grid-template-columns: 30px 1fr 18px; gap: 12px; align-items: start;
  padding: 11px 8px 11px 0; color: inherit; position: relative; overflow: hidden;
  border-radius: 8px; transition: background .16s ease;
}
.rail-link:hover { background: rgba(255, 255, 255, .06); text-decoration: none; }
.rail-link:hover .rail-title { color: var(--amber); }
.rail-link:hover .rail-go { opacity: 1; transform: translateX(0); }
.rail-body { display: block; min-width: 0; }
.rail-title { display: block; }
.rail-desc { display: block; }
.rail-go { opacity: 0; transform: translateX(-4px); transition: .18s ease; color: var(--amber); font-size: 15px; padding-top: 6px; }
[data-ripple] { position: relative; overflow: hidden; }

/* ============ 快捷工作台 ============ */
.wb { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 22px; box-shadow: var(--shadow-s); }
.wb-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.wb-head h2 { margin: 2px 0 0; }
.wb-search {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px;
  border: 1px solid var(--line-strong); border-radius: 10px; background: #fbfaf7;
  cursor: pointer; text-align: left; transition: .16s ease;
}
.wb-search:hover { border-color: var(--teal); background: var(--teal-soft); }
.wb-search-ico { font-size: 19px; color: var(--teal); line-height: 1; }
.wb-search b { display: block; font-size: 13.5px; }
.wb-search small { display: block; font-size: 11.5px; color: var(--muted); }
.wb-search kbd { font-family: var(--font-mono); font-size: 11px; color: var(--muted); border: 1px solid var(--line); background: #fff; border-radius: 5px; padding: 2px 5px; }
.wb-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr; gap: 12px; }
.wb-card {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 4px;
  padding: 18px; border-radius: 12px; border: 1px solid var(--line); background: #fff;
  color: var(--ink); min-height: 138px; transition: .18s ease;
}
.wb-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-m); border-color: var(--line-strong); text-decoration: none; }
.wb-k { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; color: var(--muted); }
.wb-card b { font-family: var(--font-serif); font-size: 19px; margin-top: 2px; }
.wb-card small { color: var(--muted); font-size: 12.5px; line-height: 1.55; }
.wb-go { margin-top: auto; font-size: 12.5px; color: var(--teal); font-weight: 600; }
.wb-primary { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); color: #fff; border-color: transparent; }
.wb-primary .wb-k, .wb-primary small { color: #cfe4df; }
.wb-primary .wb-go { color: var(--amber); }
.wb-terms { border-top: 3px solid var(--amber); }
.wb-terms .wb-go { color: #a8750f; }
.wb-ask { border-top: 3px solid #3f7ca6; }
.wb-ask .wb-go { color: #3f7ca6; }
.wb-desk { border-top: 3px solid #2e7d5b; }
.wb-desk .wb-go { color: #2e7d5b; }

/* ============ 发现更多 ============ */
.discover {
  display: grid; grid-template-columns: .95fr 1.05fr; gap: 26px;
  background: radial-gradient(600px 260px at 12% 0%, rgba(227, 160, 60, .16), transparent 70%), linear-gradient(135deg, #0b1f2a, #123c45);
  color: #eaf1ef; border-radius: var(--radius-l); padding: 28px; position: relative; overflow: hidden;
}
.discover-lead .eyebrow { color: var(--amber); }
.discover-lead h2 { color: #fff; margin-top: 8px; }
.discover-lead p { color: #b9cbc7; font-size: 14px; line-height: 1.8; max-width: 34em; }
.discover-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: center; }
.discover-card {
  display: flex; flex-direction: column; gap: 3px; padding: 14px; border-radius: 12px;
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12);
  color: #eef5f3; text-align: left; cursor: pointer; position: relative; overflow: hidden; transition: .18s ease;
}
.discover-card:hover { background: rgba(255, 255, 255, .12); transform: translateY(-2px); text-decoration: none; }
.dc-ico { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: rgba(227, 160, 60, .18); color: var(--amber); font-family: var(--font-serif); font-weight: 700; }
.discover-card b { font-size: 15px; }
.discover-card small { color: #a9bdb9; font-size: 12px; line-height: 1.55; }
.dc-go { margin-top: 6px; font-size: 12px; color: var(--amber); }
.discover-wide { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 12px; }
.discover-wide .dc-ico { flex: 0 0 auto; }
.discover-wide b { flex: 0 0 auto; }
.discover-wide small { flex: 1 1 auto; }
.discover-wide .dc-go { margin-top: 0; flex: 0 0 auto; }
@media (max-width: 620px) {
  .discover-wide { flex-wrap: wrap; }
  .discover-wide small { flex-basis: 100%; }
}

/* ============ 原创领航员「小渡」 ============ */
.mascot { display: inline-flex; width: 36px; height: 36px; flex-shrink: 0; }
.mascot svg { width: 100%; height: 100%; display: block; }
.mascot-lg { width: 64px; height: 64px; margin-bottom: 10px; }
.mascot .m-eye, .mascot .m-mouth { transform-box: fill-box; transform-origin: center; }
.mascot .m-extra { font-family: var(--font-sans); font-size: 10px; fill: var(--amber); font-weight: 700; }
.mascot[data-mood="think"] .m-eye-r { transform: scaleY(.22); }
.mascot[data-mood="rest"] .m-eye { transform: scaleY(.12); }
.mascot[data-mood="cheer"] { animation: mascotBounce .7s ease-in-out infinite alternate; }
.mascot[data-mood="wave"] .m-extra { font-size: 12px; }
@keyframes mascotBounce { from { transform: translateY(0); } to { transform: translateY(-3px); } }
.lan-btn {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  display: flex; align-items: center; gap: 9px; padding: 7px 14px 7px 7px;
  border: 1px solid rgba(15, 110, 110, .2); border-radius: 99px;
  background: #fff; color: var(--ink); box-shadow: var(--shadow-l); cursor: pointer;
  transition: .18s ease;
}
.lan-btn:hover { transform: translateY(-2px); border-color: var(--teal); }
.lan-btn .lan-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--teal-soft); display: grid; place-items: center; }
.lan-btn .lan-avatar svg { width: 32px; height: 32px; }
.lan-label { font-size: 13.5px; font-weight: 600; letter-spacing: .02em; }
.lan-label small { display: block; font-size: 10.5px; color: var(--muted); font-weight: 400; }
.lan-ping { position: absolute; left: 34px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 3px #fff; animation: lanPing 2.4s infinite; }
@keyframes lanPing { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.25); opacity: .7; } }
.lan-panel {
  position: fixed; right: 22px; bottom: 92px; z-index: 70; width: 372px; max-width: calc(100vw - 28px);
  max-height: min(660px, 76vh); display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-l); overflow: hidden;
}
.lan-panel[hidden] { display: none; }
.lan-head { display: flex; align-items: center; gap: 10px; padding: 13px 14px; background: linear-gradient(135deg, var(--ink), #16434b); color: #fff; }
.lan-head .lan-avatar { width: 38px; height: 38px; border-radius: 50%; background: rgba(255, 255, 255, .12); display: grid; place-items: center; }
.lan-head .lan-avatar svg { width: 32px; height: 32px; }
.lan-head b { display: block; font-size: 14px; }
.lan-head small { display: block; font-size: 11px; color: #a9c3be; }
.lan-close { margin-left: auto; border: 0; background: transparent; color: #cfdedb; font-size: 22px; line-height: 1; cursor: pointer; padding: 2px 6px; border-radius: 6px; }
.lan-close:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.lan-quick { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 12px 4px; }
.lan-quick button { flex: 0 0 auto; border: 1px solid var(--line); background: #fbfaf7; color: var(--ink-2); border-radius: 99px; padding: 5px 10px; font-size: 12px; cursor: pointer; }
.lan-quick button:hover { border-color: var(--teal); color: var(--teal-dark); background: var(--teal-soft); }
.lan-log { flex: 1; overflow-y: auto; padding: 10px 12px 4px; display: flex; flex-direction: column; gap: 8px; min-height: 180px; }
.lan-msg { max-width: 88%; padding: 8px 11px; border-radius: 12px; font-size: 13px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.lan-msg.bot { align-self: flex-start; background: var(--teal-soft); color: var(--ink); border-bottom-left-radius: 4px; }
.lan-msg.user { align-self: flex-end; background: var(--teal); color: #fff; border-bottom-right-radius: 4px; }
.lan-msg a { color: var(--teal-dark); font-weight: 600; }
.lan-msg .lan-src { display: block; margin-top: 5px; font-size: 11px; color: var(--muted); }
.lan-msg .lan-src a { font-weight: 400; }
.lan-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.lan-actions a, .lan-actions button { border: 1px solid var(--line-strong); background: #fff; color: var(--teal-dark); border-radius: 8px; padding: 4px 8px; font-size: 11.5px; cursor: pointer; }
.lan-actions a:hover, .lan-actions button:hover { background: var(--teal-soft); text-decoration: none; }
.lan-form { display: flex; gap: 6px; padding: 8px 12px; border-top: 1px solid var(--line); }
.lan-form input { flex: 1; min-width: 0; border: 1px solid var(--line-strong); border-radius: 9px; padding: 8px 10px; font-size: 13px; background: #fbfaf7; }
.lan-form button { border: 0; border-radius: 9px; padding: 8px 13px; background: var(--teal); color: #fff; font-size: 13px; cursor: pointer; }
.lan-form button:hover { background: var(--teal-dark); }
.lan-foot { padding: 0 12px 9px; font-size: 10.5px; color: var(--muted); }
.lan-typing { display: inline-flex; gap: 3px; align-items: center; }
.lan-typing i { width: 5px; height: 5px; border-radius: 50%; background: var(--teal); animation: lanTyping 1s infinite; }
.lan-typing i:nth-child(2) { animation-delay: .15s; }
.lan-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes lanTyping { 0%, 100% { opacity: .25; transform: translateY(0); } 50% { opacity: 1; transform: translateY(-2px); } }

/* ============ 原创贴纸 ============ */
.sticker { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: var(--sc, var(--teal-soft)); position: relative; overflow: hidden; flex-shrink: 0; }
.sticker svg { width: 36px; height: 36px; }
.sticker.big { width: 62px; height: 62px; border-radius: 18px; }
.sticker.big svg { width: 50px; height: 50px; }
.sticker-pick { display: flex; gap: 8px; flex-wrap: wrap; }
.sticker-pick button { border: 2px solid transparent; background: transparent; padding: 3px; border-radius: 16px; cursor: pointer; }
.sticker-pick button.on { border-color: var(--teal); background: var(--teal-soft); }
.sticker-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.sticker-item { text-align: center; padding: 10px 4px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.sticker-item small { display: block; font-size: 11px; color: var(--muted); margin-top: 4px; }
.sticker-item.locked { opacity: .45; filter: grayscale(1); }
.sticker-item.current { border-color: var(--teal); box-shadow: 0 0 0 2px var(--teal-soft); }
.sticker-item button { border: 0; background: transparent; cursor: pointer; padding: 0; }

/* ============ 社区 / 反馈 / 游戏通用 ============ */
.page-hero { background: #fff; border-bottom: 1px solid var(--line); padding: 44px 0 34px; position: relative; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(520px 240px at 90% -20%, rgba(227, 160, 60, .14), transparent 70%); pointer-events: none; }
.page-hero .wrap { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(27px, 3.6vw, 40px); margin: 10px 0 8px; }
.page-hero p { max-width: 46em; }
.community-layout { display: grid; grid-template-columns: 1.55fr .85fr; gap: 22px; align-items: start; }
.composer, .side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 18px; box-shadow: var(--shadow-s); }
.composer h3, .side-card h3 { font-size: 16px; margin: 0 0 12px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 9px 11px; font-size: 14px; background: #fbfaf7;
}
.field textarea { min-height: 96px; resize: vertical; line-height: 1.6; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--teal); outline-offset: 0; background: #fff; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line-strong); background: #fff; color: var(--ink-2); border-radius: 99px; padding: 5px 11px; font-size: 12.5px; cursor: pointer; }
.chip.on { background: var(--teal); border-color: var(--teal); color: #fff; }
.composer-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.composer-tip { font-size: 11.5px; color: var(--muted); }
.post-list { display: flex; flex-direction: column; gap: 12px; margin-top: 14px; }
.post { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 16px; box-shadow: var(--shadow-s); }
.post-head { display: flex; align-items: center; gap: 10px; }
.post-head .sticker { width: 38px; height: 38px; border-radius: 12px; }
.post-head .sticker svg { width: 30px; height: 30px; }
.post-who b { font-size: 13.5px; display: block; }
.post-who small { font-size: 11px; color: var(--muted); }
.post-cat { margin-left: auto; font-size: 11px; padding: 3px 8px; border-radius: 99px; background: var(--teal-soft); color: var(--teal-dark); }
.post-body { margin: 10px 0 8px; font-size: 14px; line-height: 1.75; white-space: pre-wrap; word-break: break-word; }
.post-actions { display: flex; gap: 12px; align-items: center; font-size: 12px; color: var(--muted); }
.post-actions button { border: 0; background: transparent; color: var(--muted); cursor: pointer; padding: 2px 0; font-size: 12px; }
.post-actions button:hover, .post-actions button.liked { color: var(--danger); }
.replies { margin-top: 10px; padding-top: 8px; border-top: 1px dashed var(--line); display: flex; flex-direction: column; gap: 6px; }
.reply { font-size: 12.5px; line-height: 1.6; color: var(--ink-2); }
.reply b { color: var(--teal-dark); font-weight: 600; }
.reply-form { display: flex; gap: 6px; margin-top: 8px; }
.reply-form input { flex: 1; min-width: 0; border: 1px solid var(--line); border-radius: 7px; padding: 6px 9px; font-size: 12.5px; }
.reply-form button { border: 1px solid var(--line-strong); background: #fff; border-radius: 7px; padding: 5px 10px; font-size: 12px; cursor: pointer; }
.side-stat { display: flex; align-items: baseline; gap: 8px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.side-stat b { font-family: var(--font-serif); font-size: 20px; color: var(--teal-dark); }
.side-stat span { font-size: 12px; color: var(--muted); }
.side-links { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.side-links a { font-size: 13px; padding: 6px 8px; border-radius: 7px; }
.side-links a:hover { background: var(--teal-soft); text-decoration: none; }
.empty { text-align: center; color: var(--muted); padding: 32px 12px; font-size: 13.5px; }
.feedback-list { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.feedback-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 13px 15px; }
.feedback-item .fb-top { display: flex; gap: 8px; align-items: center; font-size: 11.5px; color: var(--muted); }
.feedback-item p { margin: 7px 0 0; font-size: 13.5px; line-height: 1.7; }
.fb-status { margin-left: auto; font-size: 10.5px; color: var(--ok); background: var(--ok-soft); border-radius: 99px; padding: 2px 8px; }

/* ============ 术语翻牌 ============ */
.game-shell { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 20px; box-shadow: var(--shadow-s); }
.game-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.game-bar select { border: 1px solid var(--line-strong); border-radius: 8px; padding: 7px 10px; background: #fbfaf7; font-size: 13px; }
.game-stats { display: flex; gap: 16px; margin-left: auto; font-size: 12.5px; color: var(--muted); }
.game-stats b { display: block; font-family: var(--font-serif); font-size: 19px; color: var(--teal-dark); line-height: 1.2; }
.game-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gcard {
  min-height: 88px; border: 1px solid var(--line); border-radius: 12px; background: #fbfaf7;
  display: grid; place-items: center; text-align: center; padding: 8px; cursor: pointer;
  font-size: 12.5px; line-height: 1.45; color: transparent; user-select: none;
  position: relative; overflow: hidden; transition: transform .15s ease, background .15s ease;
}
.gcard::before { content: "澜"; position: absolute; font-family: var(--font-serif); font-size: 24px; color: var(--teal); opacity: .18; }
.gcard:hover { transform: translateY(-2px); border-color: var(--teal); }
.gcard.flip { background: #fff; color: var(--ink); border-color: var(--teal); }
.gcard.flip::before, .gcard.matched::before { display: none; }
.gcard.matched { background: var(--teal-soft); border-color: var(--teal); color: var(--teal-dark); font-weight: 600; cursor: default; }
.gcard.wrong { background: var(--danger-soft); border-color: var(--danger); }
.game-win { text-align: center; padding: 18px; margin-top: 14px; border-radius: 12px; background: var(--amber-soft); }
.game-win h3 { margin: 6px 0; }
.game-win .sticker { margin: 0 auto 6px; }

/* ============ 响应式追加 ============ */
@media (max-width: 1080px) {
  .wb-grid { grid-template-columns: 1fr 1fr; }
  .wb-primary { grid-column: span 2; }
  .discover { grid-template-columns: 1fr; }
  .community-layout { grid-template-columns: 1fr; }
  .sticker-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .nav-more { width: 100%; display: block; }
  .nav-more-btn { width: 100%; justify-content: space-between; padding: 10px 12px; font-size: 15px; }
  .nav-more-menu { position: static; min-width: 0; box-shadow: none; border: 0; padding: 4px 0 0; background: transparent; }
  .nav-more-menu.open { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
  .nav-more-menu a { background: #fff; border: 1px solid var(--line); }
  .game-board { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .wb { padding: 16px; }
  .wb-grid { grid-template-columns: 1fr; }
  .wb-primary { grid-column: auto; }
  .wb-search { width: 100%; }
  .wb-search kbd { display: none; }
  .discover { padding: 20px; }
  .discover-grid { grid-template-columns: 1fr; }
  .rail-tip { display: none; }
  .lan-btn { right: 14px; bottom: 14px; }
  .lan-panel { right: 14px; bottom: 82px; width: calc(100vw - 28px); max-height: 78vh; }
  .sticker-wall { grid-template-columns: repeat(2, 1fr); }
  .game-board { grid-template-columns: repeat(2, 1fr); }
  .game-stats { width: 100%; margin-left: 0; justify-content: space-between; }
}

/* ==========================================================================
   2026-11 体验升级
   1) 主题令牌与阅读偏好  2) 首页版块  3) 导航与工作台动效
   4) 领航助手 3D 图标    5) 术语翻牌    6) 社区筛选    7) 反馈截图
   ========================================================================== */

html { scroll-behavior: smooth; }
main section[id] { scroll-margin-top: 132px; }
.topic-strip[hidden], .upload-preview[hidden], .game-win[hidden] { display: none !important; }

/* ---------- 1. 配色皮肤 ---------- */
html[data-skin="sand"] {
  --teal: #8a5a2b;
  --teal-dark: #6b431d;
  --teal-soft: #f6eddf;
  --amber: #c08a3e;
  --amber-soft: #f9eeda;
  --paper: #f8f5ee;
  --line: #e5dccd;
  --line-strong: #cdbfa8;
  --ink: #201a12;
  --ink-2: #3a3023;
  --ink-3: #5c4c37;
  --muted: #7d6c57;
}
html[data-skin="sand"] .hero { background: #fffdf8; }
html[data-skin="indigo"] {
  --teal: #31557d;
  --teal-dark: #23415f;
  --teal-soft: #e9eef4;
  --amber: #c9973f;
  --amber-soft: #f7efdf;
  --paper: #f5f6f8;
  --line: #dfe4ea;
  --line-strong: #c6cfda;
  --ink: #101b26;
  --ink-2: #233442;
  --ink-3: #435663;
  --muted: #687b88;
}
html[data-skin="indigo"] .hero { background: #fbfcfe; }

/* ---------- 夜间模式 ---------- */
html[data-theme="dark"] {
  --ink: #eaf2f0;
  --ink-2: #d3e2df;
  --ink-3: #a9bdb9;
  --teal: #41b8b0;
  --teal-dark: #7bd4cc;
  --teal-soft: #123b3a;
  --amber: #e7b25e;
  --amber-soft: #3b2f1b;
  --paper: #0c1a20;
  --card: #12252c;
  --line: #23403f;
  --line-strong: #345250;
  --muted: #8aa39e;
  --danger: #e08a76;
  --danger-soft: #3a211c;
  --ok: #5cc39a;
  --ok-soft: #123028;
  --shadow-s: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow-m: 0 8px 26px rgba(0, 0, 0, .35);
  --shadow-l: 0 18px 50px rgba(0, 0, 0, .45);
}
html[data-theme="dark"][data-skin="sand"] {
  --paper: #171310; --card: #211b16; --teal: #dfae74; --teal-dark: #f1c794;
  --teal-soft: #3a2c1d; --amber: #d99b46; --amber-soft: #3a2b18;
  --line: #392e23; --line-strong: #4d3f30; --ink: #f4ede2; --ink-2: #e0d4c3;
  --ink-3: #b9a992; --muted: #9c8b76;
}
html[data-theme="dark"][data-skin="indigo"] {
  --paper: #0d151f; --card: #14202c; --teal: #7fb0d6; --teal-dark: #a9ccea;
  --teal-soft: #1c3142; --amber: #d9ab63; --amber-soft: #332a1b;
  --line: #26384a; --line-strong: #354b60; --ink: #e8eef4; --ink-2: #cbd9e5;
  --ink-3: #9db2c4; --muted: #8198aa;
}
html[data-theme="dark"] body { background: var(--paper); color: var(--ink); }
html[data-theme="dark"] .topbar { background: var(--paper); border-color: var(--line); }
html[data-theme="dark"] .hero { background: linear-gradient(180deg, var(--card), var(--paper)); }
html[data-theme="dark"] .page-hero { background: var(--card); }
html[data-theme="dark"] .section-alt { background: color-mix(in srgb, var(--card) 62%, var(--paper)); }
html[data-theme="dark"] .hero-panel { background: #081b21; color: #eaf1ef; }
html[data-theme="dark"] .hero-panel .rail-desc { color: #9eb5b1; }
html[data-theme="dark"] .footer { background: #071519; color: #b9c9c6; }
html[data-theme="dark"] .skip-link,
html[data-theme="dark"] .toast { background: #071519; color: #fff; }
html[data-theme="dark"] .lan-head { background: linear-gradient(135deg, #08232a, #0f3c43); }
html[data-theme="dark"] .discover { background: radial-gradient(600px 260px at 12% 0%, rgba(231, 178, 94, .12), transparent 70%), linear-gradient(135deg, #081b21, #0d323a); }
html[data-theme="dark"] .lang-ribbon { background: linear-gradient(120deg, #081b21 0%, #0d3036 58%, #0a4a4a 100%); }
html[data-theme="dark"] .card,
html[data-theme="dark"] .pack,
html[data-theme="dark"] .wb,
html[data-theme="dark"] .wb-card,
html[data-theme="dark"] .metric,
html[data-theme="dark"] .chain,
html[data-theme="dark"] .entry,
html[data-theme="dark"] .role-card,
html[data-theme="dark"] .post,
html[data-theme="dark"] .composer,
html[data-theme="dark"] .side-card,
html[data-theme="dark"] .feedback-item,
html[data-theme="dark"] .game-shell,
html[data-theme="dark"] .sticker-item,
html[data-theme="dark"] .table-wrap,
html[data-theme="dark"] .quick-dialog,
html[data-theme="dark"] .card-soft,
html[data-theme="dark"] .ov-card,
html[data-theme="dark"] .section-nav,
html[data-theme="dark"] .topic-strip,
html[data-theme="dark"] .fb-shot-wrap {
  background: var(--card);
}
html[data-theme="dark"] .chain-step:hover,
html[data-theme="dark"] table.data th { background: #163038; }
html[data-theme="dark"] table.data tr:nth-child(even) td { background: color-mix(in srgb, var(--card) 70%, #000); }
html[data-theme="dark"] .btn,
html[data-theme="dark"] .display-btn,
html[data-theme="dark"] .nav-more-menu,
html[data-theme="dark"] .display-panel,
html[data-theme="dark"] .chip,
html[data-theme="dark"] .chip-btn,
html[data-theme="dark"] .quick-btn,
html[data-theme="dark"] .status-pill,
html[data-theme="dark"] .lan-actions a,
html[data-theme="dark"] .lan-actions button,
html[data-theme="dark"] .nav-more-menu a {
  background: var(--card);
  color: var(--ink);
  border-color: var(--line-strong);
}
html[data-theme="dark"] .btn-primary { background: var(--teal); border-color: var(--teal); color: #052426; }
html[data-theme="dark"] .wb-primary { background: linear-gradient(135deg, color-mix(in srgb, var(--teal) 82%, #000), color-mix(in srgb, var(--teal) 55%, #000)); color: #f3fbf9; }
html[data-theme="dark"] .wb-primary .wb-k,
html[data-theme="dark"] .wb-primary small { color: rgba(255, 255, 255, .78); }
html[data-theme="dark"] .wb-primary .wb-go { color: #fff; }
html[data-theme="dark"] .btn-primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); }
html[data-theme="dark"] .btn-amber { background: var(--amber); border-color: var(--amber); color: #2a1c05; }
html[data-theme="dark"] .chip.on,
html[data-theme="dark"] .chip[aria-pressed="true"] { background: var(--teal); border-color: var(--teal); color: #052426; }
html[data-theme="dark"] .field input,
html[data-theme="dark"] .field textarea,
html[data-theme="dark"] .field select,
html[data-theme="dark"] .game-bar select {
  background: #0e2027;
  color: var(--ink);
  border-color: var(--line-strong);
}
html[data-theme="dark"] .field input:focus,
html[data-theme="dark"] .field textarea:focus { background: #10262e; }
html[data-theme="dark"] .nav a:hover,
html[data-theme="dark"] .nav a.active { background: var(--teal-soft); color: var(--teal-dark); }
html[data-theme="dark"] .nav a.nav-primary { background: var(--teal); color: #052426; }
html[data-theme="dark"] .badge { background: var(--teal-soft); color: var(--teal-dark); border-color: var(--line); }
html[data-theme="dark"] .badge.amber { background: var(--amber-soft); color: var(--amber); }
html[data-theme="dark"] .badge.gray { background: var(--card); color: var(--muted); }
html[data-theme="dark"] .gcard { background: #0f222a; border-color: var(--line); }
html[data-theme="dark"] .gcard-back { background: linear-gradient(145deg, #14565a, #0b343a); }
html[data-theme="dark"] .game-win { background: var(--amber-soft); }
html[data-theme="dark"] .kv dd,
html[data-theme="dark"] .muted { color: var(--muted); }
html[data-theme="dark"] .post-cat { background: var(--teal-soft); color: var(--teal-dark); }
html[data-theme="dark"] .upload-box { background: #0e2027; }
html[data-theme="dark"] .nav-new { color: #2a1c05; }

/* ---------- 1b. 竖栏阅读与字号 ---------- */
html.large-text body { font-size: 18.5px; }
html[data-layout="column"] main .wrap { max-width: 920px; }
html[data-layout="column"] main p,
html[data-layout="column"] main .lead,
html[data-layout="column"] .post-body,
html[data-layout="column"] .reply,
html[data-layout="column"] .ov-card p {
  font-family: var(--font-serif);
  line-height: 1.95;
  letter-spacing: .01em;
}
html[data-layout="column"] .section { padding: 44px 0; }
html[data-layout="column"] .hero-inner { grid-template-columns: 1fr; gap: 30px; }
html[data-layout="column"] .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-layout="column"] .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-layout="column"] .ov-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-layout="column"] .chain { grid-template-columns: 1fr; }
html[data-layout="column"] .chain-step { border-left: 0; border-top: 1px solid var(--line); }
html[data-layout="column"] .chain-step:first-child { border-top: 0; }
html[data-layout="column"] .role-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
html[data-layout="column"] .discover { grid-template-columns: 1fr; }
html[data-layout="column"] .hero h1 { max-width: none; }

/* 显示设置面板 */
.display-wrap { position: relative; display: inline-flex; flex-shrink: 0; }
.display-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px;
  border: 1px solid var(--line-strong); border-radius: 9px; background: #fff;
  color: var(--ink-3); cursor: pointer; font-size: 12.5px; transition: .18s ease;
}
.display-btn svg { width: 15px; height: 15px; transition: transform .4s ease; }
.display-btn:hover, .display-btn.open { border-color: var(--teal); color: var(--teal-dark); }
.display-btn.open svg { transform: rotate(45deg); }
.display-panel {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 80;
  width: min(322px, calc(100vw - 28px)); padding: 14px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow-l); animation: dpIn .2s cubic-bezier(.2, .9, .3, 1);
}
.display-panel[hidden] { display: none; }
@keyframes dpIn { from { opacity: 0; transform: translateY(-6px) scale(.97); } to { opacity: 1; transform: none; } }
.dp-head { display: flex; align-items: baseline; gap: 8px; padding: 0 2px 10px; }
.dp-head b { font-family: var(--font-serif); font-size: 16px; }
.dp-head small { color: var(--muted); font-size: 11px; }
.dp-group { padding: 9px 0; border-top: 1px dashed var(--line); }
.dp-label { display: block; font-size: 11px; color: var(--muted); letter-spacing: .08em; margin-bottom: 6px; }
.dp-seg { display: flex; gap: 4px; padding: 3px; background: var(--paper); border: 1px solid var(--line); border-radius: 9px; }
.dp-seg button {
  flex: 1; padding: 5px 4px; border: 0; border-radius: 6px; background: transparent;
  color: var(--ink-3); font-size: 12px; cursor: pointer; transition: .15s ease;
}
.dp-seg button:hover { color: var(--teal-dark); }
.dp-seg button.on { background: var(--card); color: var(--teal-dark); font-weight: 600; box-shadow: var(--shadow-s); }
html[data-theme="dark"] .dp-seg button.on { background: var(--teal-soft); color: var(--teal-dark); }
.dp-swatches { display: flex; gap: 6px; }
.dp-swatches button {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 5px;
  padding: 6px 4px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--ink-3); font-size: 12px; cursor: pointer; transition: .15s ease;
}
.dp-swatches button i { width: 11px; height: 11px; border-radius: 50%; background: var(--sw); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .14); }
.dp-swatches button.on { border-color: var(--teal); color: var(--teal-dark); box-shadow: 0 0 0 2px var(--teal-soft); }
.dp-tip { margin: 8px 0 0; font-size: 11px; line-height: 1.55; color: var(--muted); }

/* ---------- 2. 首页版块导航与总览 ---------- */
.scroll-progress {
  position: fixed; left: 0; top: 0; width: 100%; height: 2px; z-index: 120;
  transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--teal), var(--amber));
  pointer-events: none;
}
.section-nav {
  position: sticky; top: 71px; z-index: 40;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.section-nav .wrap { display: flex; gap: 3px; overflow-x: auto; padding: 8px 24px; scrollbar-width: none; }
.section-nav .wrap::-webkit-scrollbar { display: none; }
.section-nav a {
  display: inline-flex; align-items: center; gap: 5px; padding: 6px 10px; border-radius: 99px;
  font-size: 12.5px; color: var(--muted); white-space: nowrap; transition: .16s ease;
}
.section-nav a span { font-family: var(--font-mono); font-size: 9.5px; opacity: .6; }
.section-nav a:hover { background: var(--teal-soft); color: var(--teal-dark); text-decoration: none; }
.section-nav a.on { background: var(--teal-soft); color: var(--teal-dark); font-weight: 600; }
.section-nav a.on span { opacity: 1; }

.ov-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.ov-card {
  --ov: var(--teal);
  position: relative; overflow: hidden; display: flex; flex-direction: column;
  padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.ov-card::before {
  content: ""; position: absolute; left: 18px; right: 18px; top: 0; height: 2px;
  background: linear-gradient(90deg, var(--ov), transparent); opacity: .75;
}
.ov-card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-m); }
.ov-b { --ov: #b4402f; }
.ov-c { --ov: #3f7ca6; }
.ov-d { --ov: #b7791f; }
.ov-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.ov-no { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .12em; color: var(--muted); }
.ov-ico {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 19px; font-weight: 700;
  background: color-mix(in srgb, var(--ov) 12%, var(--card)); color: var(--ov);
}
.ov-card h3 { font-size: 19px; margin: 0 0 6px; }
.ov-card h3 a { color: var(--ink); }
.ov-card h3 a:hover { color: var(--ov); text-decoration: none; }
.ov-card p { font-size: 12.5px; line-height: 1.65; color: var(--muted); margin: 0 0 14px; flex: 1; }
.ov-links {
  list-style: none; margin: auto 0 0; padding: 11px 0 0;
  border-top: 1px dashed var(--line);
  display: grid; grid-template-columns: 1fr 1fr; gap: 5px 10px;
}
.ov-links a, .ov-link {
  display: flex; align-items: center; justify-content: space-between; gap: 4px;
  padding: 2px 0; border: 0; background: transparent; cursor: pointer;
  color: var(--ink-3); font-size: 12px; text-align: left;
}
.ov-links a:hover, .ov-link:hover { color: var(--ov); text-decoration: none; }
.ov-links span, .ov-link span { opacity: .3; transition: .18s ease; }
.ov-links a:hover span, .ov-link:hover span { opacity: 1; transform: translateX(2px); }
.inline-kbd {
  font-family: var(--font-mono); font-size: 11px; padding: 1px 5px; border-radius: 4px;
  border: 1px solid var(--line-strong); background: var(--card); color: var(--ink-3);
}
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card-soft { background: #fcfbf8; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 3. 探索菜单与快捷工作台 ---------- */
@media (min-width: 901px) {
  .nav { overflow: visible; }
}
.nav-more-btn.open svg { transform: rotate(180deg); }
.nav-more-menu {
  width: 344px; padding: 8px; border-radius: 16px;
  box-shadow: var(--shadow-l); border-color: var(--line);
  transform-origin: top right;
}
.nav-more-menu.open { animation: nmIn .22s cubic-bezier(.2, .9, .3, 1); }
@keyframes nmIn { from { opacity: 0; transform: translateY(-7px) scale(.975); } to { opacity: 1; transform: none; } }
.nm-head {
  display: flex; align-items: baseline; gap: 7px; padding: 5px 8px 9px;
  font-family: var(--font-serif); font-size: 13px; font-weight: 700; color: var(--ink);
}
.nm-head small { font-family: var(--font-sans); font-size: 10.5px; font-weight: 400; color: var(--muted); }
.nav-more-menu a {
  display: grid; grid-template-columns: 34px 1fr 16px; align-items: center; gap: 10px;
  padding: 8px; border-radius: 10px; white-space: normal;
  opacity: 0; transform: translateY(-4px);
}
.nav-more-menu.open a { animation: nmItem .26s ease forwards; animation-delay: calc(var(--i) * 32ms); }
@keyframes nmItem { to { opacity: 1; transform: none; } }
.nav-more-menu a + a { margin-top: 1px; }
.nav-more-menu a:hover { background: var(--teal-soft); }
.nav-more-menu a:hover .nm-ico { background: var(--teal); color: #fff; transform: rotate(-4deg) scale(1.04); }
.nav-more-menu a:hover .nm-arrow { opacity: 1; transform: translateX(2px); }
.nm-ico {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--teal-soft); color: var(--teal-dark);
  font-family: var(--font-serif); font-size: 16px; font-weight: 700;
  transition: .2s ease;
}
.nm-txt { min-width: 0; }
.nm-txt b { display: flex; align-items: center; gap: 5px; font-size: 13.5px; font-weight: 600; color: var(--ink); }
.nm-txt small { display: block; font-size: 11px; color: var(--muted); line-height: 1.45; margin-top: 1px; }
.nm-arrow { color: var(--teal); opacity: 0; transition: .18s ease; }
.nav-more-menu a.active { background: var(--teal-soft); }
.nav-more-menu a.active .nm-txt b { color: var(--teal-dark); }

.wb { position: relative; background: linear-gradient(180deg, var(--card), color-mix(in srgb, var(--card) 70%, var(--paper))); }
.wb-card {
  isolation: isolate;
  transition: transform .22s cubic-bezier(.2, .9, .3, 1), box-shadow .22s ease, border-color .22s ease;
}
.wb-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .25s ease;
  background: radial-gradient(280px 180px at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .18), transparent 70%);
}
.wb-card:not(.wb-primary)::before {
  background: radial-gradient(300px 200px at var(--mx, 50%) var(--my, 0%), rgba(15, 110, 110, .12), transparent 68%);
}
.wb-card:hover::before { opacity: 1; }
.wb-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-m); }
.wb-card:active { transform: translateY(-1px) scale(.995); }
.wb-mark {
  position: absolute; right: 6px; bottom: -12px; z-index: -1;
  font-family: var(--font-serif); font-size: 74px; font-weight: 700; line-height: 1;
  color: var(--teal); opacity: .07; transition: .3s ease; pointer-events: none;
}
.wb-primary .wb-mark { color: #fff; opacity: .13; }
.wb-card:hover .wb-mark { opacity: .14; transform: translateY(-4px) rotate(-5deg); }
.wb-primary:hover .wb-mark { opacity: .22; }
.wb-primary::before { background: radial-gradient(300px 200px at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .22), transparent 70%); }
.wb-go { transition: letter-spacing .2s ease, transform .2s ease; }
.wb-card:hover .wb-go { letter-spacing: .03em; }
.wb-primary:hover .wb-go { transform: translateX(2px); }

/* ---------- 4. 领航助手「小渡」 ---------- */
.lan-btn {
  background: linear-gradient(135deg, var(--card), color-mix(in srgb, var(--card) 82%, var(--teal-soft)));
  border: 1px solid var(--line-strong);
  box-shadow: 0 8px 26px rgba(6, 47, 51, .16);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.lan-btn:hover { box-shadow: 0 12px 34px rgba(6, 47, 51, .22); }
.lan-halo {
  position: absolute; left: 4px; top: 5px; width: 46px; height: 46px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 160, 60, .5), transparent 68%);
  filter: blur(4px); pointer-events: none;
}
.lan-halo.head { left: 8px; top: 8px; width: 48px; height: 48px; }
.lan-btn .lan-avatar {
  position: relative; z-index: 1;
  box-shadow: 0 0 0 2px rgba(227, 160, 60, .75), inset 0 2px 3px rgba(255, 255, 255, .35), 0 3px 8px rgba(0, 0, 0, .18);
  overflow: hidden;
}
.lan-btn .lan-avatar svg { filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .18)); animation: lanBob 4.2s ease-in-out infinite; }
@keyframes lanBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-1.5px); } }
.lan-btn:hover .lan-avatar svg { animation-play-state: paused; transform: scale(1.06) rotate(-3deg); }
.lan-label b { display: block; }
.lan-panel { animation: lanPanelIn .28s cubic-bezier(.2, .9, .25, 1); transform-origin: bottom right; border-color: var(--line); }
@keyframes lanPanelIn { from { opacity: 0; transform: translateY(12px) scale(.97); } to { opacity: 1; transform: none; } }
.lan-head { position: relative; overflow: hidden; }
.lan-head::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(220px 90px at 12% 0%, rgba(227, 160, 60, .22), transparent 70%);
}
.lan-head > * { position: relative; z-index: 1; }
.lan-head small { color: #9fc0bc; }
.lan-body { background: color-mix(in srgb, var(--paper) 55%, var(--card)); }
.lan-msg {
  animation: msgIn .32s cubic-bezier(.2, 1.15, .3, 1) both;
  box-shadow: 0 1px 2px rgba(11, 31, 42, .06);
  transition: transform .16s ease;
}
.lan-msg.bot { border: 1px solid color-mix(in srgb, var(--teal) 16%, transparent); }
.lan-msg.user { animation-name: msgInUser; }
.lan-msg:hover { transform: translateY(-1px); }
@keyframes msgIn { from { opacity: 0; transform: translate(-6px, 7px) scale(.97); } to { opacity: 1; transform: none; } }
@keyframes msgInUser { from { opacity: 0; transform: translate(7px, 7px) scale(.97); } to { opacity: 1; transform: none; } }
.lan-actions { animation: msgIn .3s .05s both; }
.lan-actions a, .lan-actions button { transition: .15s ease; }
.lan-actions a:hover, .lan-actions button:hover { background: var(--teal-soft); border-color: var(--teal); transform: translateY(-1px); }
.lan-quick button, .lan-quick a { transition: .15s ease; }
.lan-quick button:hover, .lan-quick a:hover { transform: translateY(-1px); border-color: var(--teal); }
.lan-btn:focus-visible, .lan-close:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* ---------- 5. 术语翻牌 ---------- */
.game-shell { position: relative; overflow: hidden; }
.game-bar { flex-wrap: wrap; }
.game-bar select {
  padding: 6px 9px; border: 1px solid var(--line-strong); border-radius: 8px;
  background: var(--card); color: var(--ink); font-size: 12.5px; cursor: pointer;
}
.game-progress { height: 4px; border-radius: 99px; background: var(--line); overflow: hidden; margin: 4px 0 14px; }
.game-progress i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, var(--teal), var(--amber)); transition: width .35s cubic-bezier(.2, .9, .3, 1); }
.game-stats { align-items: flex-end; gap: 18px; }
.game-stats span { display: block; font-size: 10.5px; letter-spacing: .04em; }
.game-stats b { font-variant-numeric: tabular-nums; }
.game-stats .game-combo {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 99px;
  background: var(--amber-soft); color: #8a5a12; font-size: 11px; font-weight: 600;
  opacity: 0; transform: translateY(3px); transition: .2s ease; align-self: center;
}
.game-stats .game-combo.on { opacity: 1; transform: none; }
html[data-theme="dark"] .game-combo { color: var(--amber); }
.game-board { perspective: 900px; position: relative; }
.game-board.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.game-board.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gcard {
  position: relative; min-height: 92px; padding: 0; border: 0; background: transparent;
  perspective: 700px; cursor: pointer;
}
.gcard::before { display: none !important; }
.gcard-inner {
  position: absolute; inset: 0; transform-style: preserve-3d;
  transition: transform .42s cubic-bezier(.25, .8, .3, 1);
}
.gcard.flip .gcard-inner, .gcard.matched .gcard-inner { transform: rotateY(180deg); }
.gcard-face, .gcard-back {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 8px;
  border-radius: 12px; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border: 1px solid var(--line);
}
.gcard-back {
  background:
    radial-gradient(120px 80px at 30% 20%, rgba(255, 255, 255, .18), transparent 70%),
    linear-gradient(145deg, #14807c, #0a5252);
  color: #f7f4ec; font-family: var(--font-serif); font-size: 23px; font-weight: 700;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
}
.gcard-back::after {
  content: ""; position: absolute; inset: 6px; border: 1px solid rgba(255, 255, 255, .16); border-radius: 8px;
}
.gcard-face {
  transform: rotateY(180deg); background: var(--card); color: var(--ink);
  font-size: 14px; line-height: 1.45; text-align: center; word-break: break-word;
}
.gcard:hover .gcard-inner { transform: translateY(-2px) rotateY(0); }
.gcard.flip:hover .gcard-inner, .gcard.matched:hover .gcard-inner { transform: rotateY(180deg); }
.gcard.flip .gcard-face { border-color: var(--teal); box-shadow: 0 0 0 2px var(--teal-soft); }
.gcard.matched .gcard-face {
  background: linear-gradient(145deg, var(--teal-soft), color-mix(in srgb, var(--teal-soft) 60%, var(--card)));
  border-color: var(--teal); color: var(--teal-dark); font-weight: 600;
  animation: cardPop .36s cubic-bezier(.2, 1.4, .4, 1);
}
.gcard.matched { cursor: default; }
@keyframes cardPop { 0% { transform: rotateY(180deg) scale(.94); } 60% { transform: rotateY(180deg) scale(1.04); } 100% { transform: rotateY(180deg) scale(1); } }
.gcard.wrong .gcard-inner { animation: cardShake .38s ease; }
@keyframes cardShake { 0%, 100% { transform: rotateY(0) translateX(0); } 25% { transform: rotateY(0) translateX(-5px); } 50% { transform: rotateY(0) translateX(4px); } 75% { transform: rotateY(0) translateX(-2px); } }
.game-float {
  position: absolute; z-index: 5; pointer-events: none; font-weight: 700; font-size: 14px;
  color: var(--teal-dark); text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
  animation: floatUp .75s ease forwards;
}
@keyframes floatUp { from { opacity: 1; transform: translateY(0) scale(1); } to { opacity: 0; transform: translateY(-28px) scale(1.15); } }
.game-win { position: relative; overflow: hidden; animation: winIn .4s cubic-bezier(.2, 1.1, .3, 1); }
@keyframes winIn { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }
.confetti { position: absolute; width: 7px; height: 10px; border-radius: 2px; top: -14px; animation: confettiFall 1.5s ease-in forwards; }
@keyframes confettiFall { to { transform: translateY(190px) rotate(540deg); opacity: 0; } }
.game-win .win-score { font-family: var(--font-serif); font-size: 34px; color: var(--teal-dark); line-height: 1.1; }
.game-win .win-sub { font-size: 12px; color: var(--muted); }
.game-bar label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.game-bar .btn { height: 32px; }
.game-tip { font-size: 11.5px; color: var(--muted); margin: 0 0 10px; }

/* ---------- 6. 社区筛选 ---------- */
.chip-sep { width: 1px; height: 18px; background: var(--line); margin: 0 4px; align-self: center; }
.chip.chip-hot.on,
html[data-theme="dark"] .chip.chip-hot.on { background: #b4402f; border-color: #b4402f; color: #fff; }
.chip.chip-best.on,
html[data-theme="dark"] .chip.chip-best.on { background: var(--amber); border-color: var(--amber); color: #3a2708; }
.topic-strip {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 12px; margin: 12px 0 0; border: 1px solid var(--line); border-radius: 10px;
  background: color-mix(in srgb, var(--teal-soft) 45%, var(--card));
}
.topic-strip > b { font-size: 11.5px; letter-spacing: .06em; color: var(--teal-dark); white-space: nowrap; }
.topic-chip {
  border: 0; background: var(--card); color: var(--ink-3); border-radius: 99px;
  padding: 3px 9px; font-size: 11.5px; cursor: pointer; box-shadow: inset 0 0 0 1px var(--line);
  transition: .15s ease;
}
.topic-chip:hover { color: var(--teal-dark); box-shadow: inset 0 0 0 1px var(--teal); }
.topic-chip.on { background: var(--teal); color: #fff; box-shadow: none; }
.topic-chip em { font-style: normal; opacity: .6; margin-left: 3px; font-size: 10px; }
.topic-clear { border: 0; background: transparent; color: var(--muted); font-size: 11px; cursor: pointer; text-decoration: underline; }
.filter-meta { font-size: 11.5px; color: var(--muted); margin: 10px 0 0; }
.post { position: relative; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.post:hover { border-color: var(--line-strong); box-shadow: var(--shadow-m); transform: translateY(-1px); }
.post-best, .post-hot {
  display: inline-flex; align-items: center; gap: 3px; font-size: 10px; font-weight: 600;
  border-radius: 4px; padding: 2px 6px; letter-spacing: .04em;
}
.post-best { background: var(--amber-soft); color: #8a5a12; }
html[data-theme="dark"] .post-best { color: var(--amber); }
.post-hot { background: var(--danger-soft); color: var(--danger); }
.post-heat { font-size: 10.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.post-flags { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.post-flags + .post-cat { margin-left: 0; }

/* ---------- 7. 反馈截图 ---------- */
.upload-box {
  position: relative; border: 1.5px dashed var(--line-strong); border-radius: 10px;
  background: #fbfaf7; padding: 14px; text-align: center; transition: .18s ease;
}
.upload-box:hover, .upload-box.drag { border-color: var(--teal); background: var(--teal-soft); }
.upload-box input[type="file"] { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-empty b { display: block; font-size: 13px; color: var(--ink-2); }
.upload-empty small { display: block; font-size: 11px; color: var(--muted); margin-top: 3px; }
.upload-preview { position: relative; display: inline-block; max-width: 100%; }
.upload-preview img { display: block; max-width: 100%; max-height: 190px; border-radius: 8px; border: 1px solid var(--line); }
.upload-remove {
  position: absolute; right: -8px; top: -8px; width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--card); color: var(--ink-2);
  cursor: pointer; font-size: 14px; line-height: 1; z-index: 2;
}
.upload-meta { display: block; font-size: 10.5px; color: var(--muted); margin-top: 6px; }
.upload-tip { margin: 6px 0 0; font-size: 11px; color: var(--muted); line-height: 1.55; }
.fb-shot-wrap { margin-top: 8px; }
.fb-shot {
  max-width: 220px; max-height: 140px; border-radius: 8px; border: 1px solid var(--line);
  cursor: zoom-in; transition: .15s ease;
}
.fb-shot:hover { border-color: var(--teal); transform: translateY(-1px); }
.fb-lightbox {
  position: fixed; inset: 0; z-index: 300; display: none; place-items: center;
  background: rgba(6, 22, 27, .78); backdrop-filter: blur(5px); padding: 28px;
}
.fb-lightbox.show { display: grid; }
.fb-lightbox img { max-width: min(920px, 92vw); max-height: 84vh; border-radius: 10px; box-shadow: var(--shadow-l); }
.fb-lightbox button {
  position: absolute; right: 20px; top: 16px; width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .12); color: #fff;
  font-size: 20px; cursor: pointer;
}

/* ---------- 8. 响应式与动效降级 ---------- */
@media (max-width: 1080px) {
  .ov-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-nav { position: static; }
}
@media (max-width: 900px) {
  .nav-more-menu { width: auto; }
  .nav-more-menu.open { display: flex; flex-direction: column; }
  .nav-more-menu.open a { grid-template-columns: 30px 1fr 14px; background: var(--paper); }
  .nm-head { display: none; }
  .nm-ico { width: 30px; height: 30px; font-size: 14px; }
  .display-panel { position: fixed; top: 64px; right: 12px; }
  .section-nav .wrap { padding: 7px 16px; }
  .game-board.cols-4, .game-board.cols-5 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .game-board.cols-4, .game-board.cols-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ov-grid { grid-template-columns: 1fr; gap: 10px; }
  .ov-card { padding: 16px; }
  .ov-links { grid-template-columns: 1fr 1fr; }
  .display-btn span { display: none; }
  .display-btn { padding: 0 8px; }
  .display-panel { top: auto; bottom: 74px; right: 12px; }
  .lan-btn { right: 14px; bottom: 14px; }
  .lan-msg { font-size: 13.5px; }
  .gcard { min-height: 78px; }
  .gcard-face { font-size: 12.5px; padding: 5px; }
  .game-stats { gap: 12px; }
  .game-stats b { font-size: 17px; }
  .section-nav a { padding: 5px 8px; font-size: 12px; }
  .fb-shot { max-width: 160px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}







/* ==========================================================================
   2026-11-12 精修（第二轮）
   1) 首页导航入口与顶部按钮  2) 大板块按钮与波纹  3) 教学演练
   4) 翻牌五档难度与六列布局  5) 社区时间筛选  6) 截图说明
   ========================================================================== */

/* ---------- 1. 顶部导航 ---------- */
.nav { gap: 2px; }
.nav a {
  position: relative; overflow: hidden;
  padding: 7px 7px; font-size: 13.5px; letter-spacing: .005em;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}
.nav a:hover { transform: translateY(-1px); }
.nav a .nav-ico { width: 14px; height: 14px; margin-right: 4px; vertical-align: -3px; opacity: .78; }
.nav a.active .nav-ico { opacity: 1; }
.nav a.active { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 24%, transparent); }
.nav a.nav-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  box-shadow: 0 1px 5px rgba(15, 110, 110, .18);
}
.nav a.nav-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--teal-dark), color-mix(in srgb, var(--teal-dark) 82%, #000));
}
html[data-theme="dark"] .nav a.nav-primary { color: #052426; }
html[data-theme="dark"] .nav a.nav-primary:hover { color: #052426; }

.nav-more-btn { position: relative; overflow: hidden; }
.quick-btn, .status-pill, .lang-wrap, .display-wrap { flex: 0 0 auto; }
.status-pill {
  position: relative; overflow: hidden;
  font-family: inherit; cursor: pointer;
  transition: border-color .18s ease, color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease;
}
.status-pill:hover {
  border-color: var(--teal); color: var(--teal-dark); background: var(--teal-soft);
  box-shadow: 0 2px 10px rgba(15, 110, 110, .08);
}
.status-pill:active { transform: translateY(1px); }
.status-pill svg { width: 12px; height: 12px; opacity: .5; flex: 0 0 auto; }
.status-pill .dot { flex: 0 0 auto; }
.drill-btn .drill-badge {
  font-style: normal; font-size: 10px; line-height: 1; padding: 2px 5px; border-radius: 99px;
  background: var(--amber-soft); color: color-mix(in srgb, var(--amber) 62%, #5a3a08);
  border: 1px solid color-mix(in srgb, var(--amber) 38%, transparent);
}
html[data-theme="dark"] .drill-btn .drill-badge { color: var(--amber); }
.drill-btn.done { border-color: var(--ok); color: var(--ok); }
.drill-btn.done .dot { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }

/* ---------- 2. 按钮与大板块：更醒目、更精致 ---------- */
.btn {
  position: relative; overflow: hidden;
  padding: 11px 20px; border-radius: 10px;
  font-weight: 600; letter-spacing: .01em;
  transition: transform .18s cubic-bezier(.2, .9, .3, 1), box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-s); }
.btn:active { transform: translateY(0) scale(.99); }
.btn-primary {
  background: linear-gradient(135deg, color-mix(in srgb, var(--teal) 88%, #fff) 0%, var(--teal) 55%, color-mix(in srgb, var(--teal) 84%, #000) 100%);
  border-color: color-mix(in srgb, var(--teal) 86%, #000);
  color: #fff;
  box-shadow: 0 2px 9px rgba(15, 110, 110, .2), inset 0 1px 0 rgba(255, 255, 255, .18);
}
.btn-primary:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--teal) 0%, color-mix(in srgb, var(--teal) 82%, #000) 100%);
  border-color: color-mix(in srgb, var(--teal) 78%, #000);
  box-shadow: 0 8px 20px rgba(15, 110, 110, .22);
}
html[data-theme="dark"] .btn-primary {
  background: linear-gradient(135deg, var(--teal) 0%, color-mix(in srgb, var(--teal) 80%, #fff) 100%);
  border-color: transparent; color: #04201f;
  box-shadow: 0 3px 12px rgba(0, 0, 0, .3);
}
html[data-theme="dark"] .btn-primary:hover {
  background: linear-gradient(135deg, var(--teal) 0%, color-mix(in srgb, var(--teal) 88%, #fff) 100%);
  color: #04201f;
}
.btn-amber {
  background: linear-gradient(135deg, color-mix(in srgb, var(--amber) 84%, #fff), var(--amber));
  border-color: color-mix(in srgb, var(--amber) 78%, #000);
  color: #35240a;
  box-shadow: 0 2px 9px rgba(227, 160, 60, .22);
}
.btn-amber:hover {
  background: linear-gradient(135deg, var(--amber), color-mix(in srgb, var(--amber) 86%, #000));
  color: #2a1c05;
}
html[data-theme="dark"] .btn-amber {
  background: linear-gradient(135deg, var(--amber), color-mix(in srgb, var(--amber) 82%, #fff));
  color: #2a1c05;
}
.btn-sm { padding: 7px 13px; border-radius: 8px; font-size: 13px; }
.btn:focus-visible,
.chip:focus-visible,
.section-nav a:focus-visible,
.status-pill:focus-visible,
.wb-card:focus-visible,
.ov-card:focus-visible {
  outline: 2px solid var(--amber); outline-offset: 2px;
}

/* 波纹宿主统一裁剪 */
.btn, .chip, .nav a, .section-nav a, .nav-more-btn, .quick-btn,
.display-btn, .topic-chip, .status-pill { position: relative; overflow: hidden; }
.btn, .chip, .section-nav a, .nav a { -webkit-tap-highlight-color: transparent; }

/* 大板块卡片：层级更清楚 */
.ov-card { background: var(--card); }
.ov-card:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--ov) 34%, var(--line));
  box-shadow: var(--shadow-m);
}
.ov-card h3 { font-size: 19.5px; letter-spacing: .01em; }
.ov-card h3 a { color: var(--ink); }
.ov-card h3 a:hover { color: var(--ov); }
.ov-links a, .ov-link { font-weight: 500; }
.ov-links a span, .ov-link span { display: inline-block; color: var(--ov); transition: transform .18s ease; }
.ov-links a:hover span, .ov-link:hover span { transform: translateX(2px); }
.wb-card b { font-size: 20px; letter-spacing: .01em; }
.wb-card small { line-height: 1.6; }
.wb-primary {
  background: linear-gradient(140deg, color-mix(in srgb, var(--teal) 92%, #fff) 0%, var(--teal) 44%, var(--teal-dark) 100%);
  box-shadow: 0 6px 18px rgba(15, 110, 110, .18);
}
.wb-primary:hover { box-shadow: 0 12px 28px rgba(15, 110, 110, .24); }
.section-nav a { font-weight: 500; }
.section-nav a.on {
  background: linear-gradient(135deg, var(--teal-soft), color-mix(in srgb, var(--teal-soft) 68%, var(--card)));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 22%, transparent);
}
.section-nav a span { color: var(--teal); opacity: .72; font-weight: 600; }
.section-nav a.on span { opacity: 1; }
.section-head h2, .wb-head h2 { letter-spacing: .005em; }

/* ---------- 3. 教学演练 ---------- */
.drill-dialog {
  width: min(920px, calc(100vw - 32px));
  max-width: 920px; max-height: min(88vh, 840px);
  padding: 0; margin: auto;
  border: 1px solid var(--line); border-radius: 18px;
  background: var(--card); color: var(--ink);
  box-shadow: var(--shadow-l); overflow: hidden;
}
.drill-dialog:not([open]) { display: none; }
.drill-dialog::backdrop { background: rgba(4, 20, 24, .55); backdrop-filter: blur(4px); }
.drill-inner { display: flex; flex-direction: column; max-height: min(88vh, 840px); }
.drill-head {
  position: relative; padding: 22px 26px 16px; border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, color-mix(in srgb, var(--teal-soft) 52%, var(--card)), var(--card));
}
.drill-head h2 { margin: 5px 0 7px; font-size: 24px; letter-spacing: .005em; }
.drill-head p { margin: 0; max-width: 62em; color: var(--muted); font-size: 12.5px; line-height: 1.75; }
.drill-close {
  position: absolute; right: 14px; top: 14px; width: 32px; height: 32px;
  border: 0; border-radius: 9px; background: transparent; color: var(--muted);
  font-size: 22px; line-height: 1; cursor: pointer; transition: .15s ease;
}
.drill-close:hover { background: var(--paper); color: var(--ink); }
.drill-body { padding: 18px 24px 10px; overflow: auto; overscroll-behavior: contain; }
.drill-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.drill-card {
  display: flex; flex-direction: column; padding: 14px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--paper);
  transition: border-color .18s ease, box-shadow .18s ease;
}
.drill-card:hover { border-color: color-mix(in srgb, var(--teal) 28%, var(--line)); box-shadow: var(--shadow-s); }
.drill-card.complete { border-color: color-mix(in srgb, var(--ok) 42%, var(--line)); background: color-mix(in srgb, var(--ok-soft) 42%, var(--paper)); }
.dc-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.dc-role {
  font-size: 10.5px; letter-spacing: .06em; padding: 2px 7px; border-radius: 99px;
  background: var(--teal-soft); color: var(--teal-dark); font-weight: 600;
}
.dc-time { font-size: 10.5px; color: var(--muted); }
.drill-card h3 { margin: 7px 0 3px; font-size: 16.5px; }
.dc-desc { margin: 0 0 10px; font-size: 11.5px; line-height: 1.6; color: var(--muted); }
.drill-bar { height: 4px; border-radius: 99px; background: var(--line); overflow: hidden; margin-bottom: 4px; }
.drill-bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--teal), var(--amber)); transition: width .35s cubic-bezier(.2, .9, .3, 1); }
.drill-steps { display: flex; flex-direction: column; }
.drill-step { display: flex; align-items: flex-start; gap: 8px; padding: 8px 0; border-top: 1px dashed var(--line); }
.drill-step:first-child { border-top: 0; }
.ds-check {
  flex: 0 0 auto; width: 18px; height: 18px; margin-top: 1px; padding: 2px;
  border: 1.5px solid var(--line-strong); border-radius: 6px; background: var(--card);
  color: transparent; cursor: pointer; display: grid; place-items: center; transition: .15s ease;
}
.ds-check svg { width: 12px; height: 12px; }
.ds-check:hover { border-color: var(--teal); }
.drill-step.done .ds-check { background: var(--teal); border-color: var(--teal); color: var(--paper); }
.ds-body { flex: 1 1 auto; min-width: 0; }
.ds-title { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.drill-step.done .ds-title { color: var(--muted); text-decoration: line-through; text-decoration-thickness: 1px; }
.ds-desc { display: block; font-size: 11px; line-height: 1.55; color: var(--muted); margin-top: 1px; }
.ds-go {
  flex: 0 0 auto; font-size: 11px; font-weight: 600; color: var(--teal-dark);
  white-space: nowrap; margin-top: 0; padding: 4px 9px; border-radius: 99px;
  border: 1px solid color-mix(in srgb, var(--teal) 28%, var(--line));
  background: var(--teal-soft); transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.ds-go:hover { background: var(--teal); border-color: var(--teal); color: #fff; text-decoration: none; }
html[data-theme="dark"] .ds-go:hover { color: #052426; }
.drill-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 24px 16px; border-top: 1px solid var(--line);
  font-size: 11.5px; color: var(--muted);
}
.drill-foot b { color: var(--teal-dark); }
.drill-foot-actions { display: flex; align-items: center; gap: 10px; }
.drill-reset { border: 0; background: transparent; color: var(--muted); font-size: 11.5px; cursor: pointer; padding: 4px 2px; }
.drill-reset:hover { color: var(--danger); text-decoration: underline; }

/* ---------- 4. 翻牌六列与移动端 ---------- */
.game-board.cols-5 { grid-template-columns: repeat(5, 1fr); }
.game-board.cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (max-width: 1080px) {
  .game-board.cols-6 { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 900px) {
  .game-board.cols-5 { grid-template-columns: repeat(4, 1fr); }
  .game-board.cols-6 { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 760px) {
  .game-board.cols-5 { grid-template-columns: repeat(3, 1fr); }
  .game-board.cols-6 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .game-board.cols-5, .game-board.cols-6 { grid-template-columns: repeat(3, 1fr); gap: 7px; }
  .game-board.cols-5 .gcard, .game-board.cols-6 .gcard { min-height: 78px; font-size: 11.5px; }
}

/* ---------- 5. 社区：最新发布 ---------- */
.chip-latest { border-color: color-mix(in srgb, var(--teal) 34%, var(--line-strong)); }
.chip-latest.on { background: var(--teal); border-color: var(--teal); color: #fff; }
html[data-theme="dark"] .chip-latest.on { color: #052426; }

/* ---------- 6. 反馈截图说明 ---------- */
.shot-note { margin-top: 10px; }
.shot-note[hidden] { display: none !important; }
.shot-note label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.shot-note input {
  width: 100%; border: 1px solid var(--line-strong); border-radius: 8px;
  padding: 8px 10px; background: var(--card); color: var(--ink); font: inherit; font-size: 12.5px;
}
.shot-note input:focus { outline: 2px solid color-mix(in srgb, var(--teal) 30%, transparent); outline-offset: 1px; border-color: var(--teal); }
.fb-shot-note { font-size: 11.5px; color: var(--muted); margin: 6px 0 0; line-height: 1.55; }

/* ---------- 7. 窄桌面：收紧顶栏 ---------- */
@media (min-width: 901px) and (max-width: 1240px) {
  .topbar-inner { gap: 10px; }
  .nav a { font-size: 13px; padding: 7px 5px; }
  .brand-sub { display: none; }
  .quick-btn kbd { display: none; }
}

/* ---------- 8. 演练弹窗移动端 ---------- */
@media (max-width: 820px) {
  .drill-dialog { width: calc(100vw - 20px); max-height: 92vh; border-radius: 15px; }
  .drill-inner { max-height: 92vh; }
  .drill-head { padding: 18px 18px 13px; }
  .drill-head h2 { font-size: 20px; padding-right: 30px; }
  .drill-head p { font-size: 12px; }
  .drill-body { padding: 14px 16px 6px; }
  .drill-grid { grid-template-columns: 1fr; }
  .drill-foot { padding: 10px 16px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .drill-bar i, .btn, .ov-card, .wb-card { transition: none !important; }
}

/* ==========================================================================
   2026-11-12 精修（第四轮）
   1) 多语翻译入口：轻记号而非重色块  2) 界面语言面板
   3) 首页版块导航：滑动高亮 / 玻璃底 / 自动收起 / 回顶
   4) 探索按钮与探索页
   ========================================================================== */

/* ---------- 1. 导航里的“多语翻译”：有记号，但不抢戏 ---------- */
.nav a.nav-primary {
  color: var(--teal-dark);
  background: transparent;
  box-shadow: none;
  font-weight: 600;
}
.nav a.nav-primary::after {
  content: ""; position: absolute; top: 5px; right: 5px;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--amber); opacity: .85;
  transition: opacity .18s ease;
}
.nav a.nav-primary:hover {
  color: var(--teal-dark);
  background: var(--teal-soft);
  box-shadow: none;
}
.nav a.nav-primary.active {
  color: var(--teal-dark);
  background: var(--teal-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 24%, transparent);
}
html[data-theme="dark"] .nav a.nav-primary {
  color: var(--teal-dark);
  background: transparent;
  box-shadow: none;
}
html[data-theme="dark"] .nav a.nav-primary:hover {
  color: var(--teal-dark);
  background: var(--teal-soft);
  box-shadow: none;
}
html[data-theme="dark"] .nav a.nav-primary.active {
  color: var(--teal-dark);
  background: var(--teal-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 30%, transparent);
}

/* ---------- 2. 界面语言 ---------- */
.lang-wrap { position: relative; display: inline-flex; flex-shrink: 0; }
.lang-btn { gap: 5px; }
.lang-btn .lang-code { font-size: 11.5px; font-weight: 600; letter-spacing: .02em; }
.lang-btn.open { border-color: var(--teal); color: var(--teal-dark); }
.lang-btn.open svg { transform: none; }
.lang-panel {
  width: min(272px, calc(100vw - 28px));
  padding: 12px;
  max-height: calc(100vh - 92px); overflow: auto;
}
.lang-list { display: flex; flex-direction: column; gap: 3px; }
.lang-list button {
  display: grid; grid-template-columns: 1fr auto 14px; align-items: center; gap: 8px;
  padding: 8px 10px; border: 1px solid transparent; border-radius: 9px;
  background: transparent; color: var(--ink-2); text-align: left;
  font-size: 13.5px; cursor: pointer; transition: .15s ease;
}
.lang-list button small { font-size: 10.5px; color: var(--muted); letter-spacing: .01em; }
.lang-list button i { font-style: normal; font-size: 12px; color: var(--teal); opacity: 0; transition: opacity .15s ease; }
.lang-list button:hover { background: var(--teal-soft); }
.lang-list button.on {
  background: var(--teal-soft);
  border-color: color-mix(in srgb, var(--teal) 26%, transparent);
  color: var(--teal-dark); font-weight: 600;
}
.lang-list button.on i { opacity: 1; }
.lang-more-tip {
  margin: 8px 0 0; padding-top: 8px; border-top: 1px dashed var(--line);
  font-size: 10.5px; color: var(--muted); text-align: center; letter-spacing: .02em;
}
@media (max-width: 900px) {
  .lang-panel { position: fixed; top: 70px; bottom: auto; right: 12px; }
}
@media (max-width: 430px) {
  .lang-btn { width: 34px; padding: 0; justify-content: center; }
  .lang-btn .lang-code { display: none; }
}

/* ---------- 3. 探索按钮（首页英雄区）---------- */
.btn-explore {
  border-color: color-mix(in srgb, var(--teal) 38%, var(--line-strong));
  background: color-mix(in srgb, var(--teal) 6%, #fff);
  color: var(--teal-dark);
}
.btn-explore:hover {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}
html[data-theme="dark"] .btn-explore {
  color: #bfeee8;
  border-color: color-mix(in srgb, var(--teal) 42%, transparent);
  background: color-mix(in srgb, var(--teal) 16%, var(--card));
}
html[data-theme="dark"] .btn-explore:hover { background: var(--teal); color: #052426; }

/* ---------- 4. 首页版块导航：滑块、玻璃、收起、回顶 ---------- */
.section-nav {
  transition: transform .32s cubic-bezier(.2, .8, .2, 1),
              box-shadow .24s ease, background .24s ease, border-color .24s ease;
}
.section-nav[data-stuck="1"] {
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  border-bottom-color: color-mix(in srgb, var(--line) 72%, transparent);
  box-shadow: 0 10px 26px rgba(11, 31, 42, .07);
}
html[data-theme="dark"] .section-nav[data-stuck="1"] {
  background: color-mix(in srgb, var(--card) 84%, transparent);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .34);
}
.section-nav.sn-hide { transform: translateY(-118%); }
.section-nav.sn-hide:hover, .section-nav.sn-hide:focus-within { transform: none; }
.section-nav .wrap { position: relative; }
.section-nav a { z-index: 1; }
.section-nav a.on {
  background: transparent;
  box-shadow: none;
  color: var(--teal-dark);
}
.sn-pill {
  position: absolute; left: 0; top: 8px; bottom: 8px; width: 0;
  border-radius: 99px; z-index: 0; pointer-events: none; opacity: 0;
  background: linear-gradient(135deg, var(--teal-soft), color-mix(in srgb, var(--teal-soft) 62%, var(--card)));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--teal) 20%, transparent);
  transition: transform .34s cubic-bezier(.2, .8, .2, 1), width .34s cubic-bezier(.2, .8, .2, 1), opacity .2s ease;
}
.sn-top {
  position: absolute; right: max(14px, calc((100% - var(--max)) / 2 + 26px)); top: 50%; z-index: 3;
  width: 26px; height: 26px; border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--card) 90%, transparent);
  color: var(--teal-dark); display: grid; place-items: center;
  cursor: pointer; opacity: 0; pointer-events: none;
  transform: translateY(-50%) scale(.9);
  box-shadow: var(--shadow-s);
  transition: opacity .2s ease, transform .22s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.sn-top svg { width: 12px; height: 12px; }
.sn-top.show { opacity: 1; pointer-events: auto; transform: translateY(-50%); }
.sn-top:hover { background: var(--teal); border-color: var(--teal); color: #fff; }
.section-nav.sn-has-top .wrap { padding-right: 52px; }

@media (max-width: 1080px) {
  .section-nav { position: static; }
  .section-nav.sn-hide { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .sn-pill, .section-nav, .sn-top { transition: none !important; }
}

/* ---------- 5. 探索页 ---------- */
.ex-back {
  display: inline-flex; align-items: center; gap: 6px;
  margin-bottom: 14px; padding: 5px 12px 5px 9px;
  border: 1px solid var(--line); border-radius: 99px;
  background: var(--card); color: var(--ink-3);
  font-size: 12.5px; transition: .16s ease;
}
.ex-back span { display: inline-block; transition: transform .18s ease; }
.ex-back b { font-weight: 600; }
.ex-back:hover {
  border-color: var(--teal); color: var(--teal-dark);
  background: var(--teal-soft); text-decoration: none;
}
.ex-back:hover span { transform: translateX(-2px); }

/* 探索页页头不使用国家页的双栏页头网格（那一栏是留给路线图的） */
@media (min-width: 1081px) {
  .ex-hero .wrap { display: block; }
}
.ex-hero h1 em { font-style: normal; color: var(--teal); position: relative; }
.ex-hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 8px;
  background: rgba(227, 160, 60, .3); z-index: -1;
}
.ex-search-wrap { margin-top: 18px; }
.ex-search {
  display: flex; align-items: center; gap: 10px;
  width: min(520px, 100%); padding: 9px 12px;
  border: 1px solid var(--line-strong); border-radius: 11px;
  background: #fbfaf7; cursor: text;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.ex-search:focus-within {
  border-color: var(--teal); background: #fff;
  box-shadow: 0 0 0 3px var(--teal-soft);
}
.ex-search svg { width: 16px; height: 16px; color: var(--muted); flex: 0 0 auto; }
.ex-search input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  font-size: 14px; color: var(--ink); padding: 2px 0;
}
.ex-search input::-webkit-search-cancel-button { cursor: pointer; }
.ex-search kbd {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); background: #fff; border-radius: 5px; padding: 1px 6px;
}
html[data-theme="dark"] .ex-search { background: #0e2027; }
html[data-theme="dark"] .ex-search:focus-within { background: #102830; }
html[data-theme="dark"] .ex-search kbd { background: var(--card); }

.ex-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 16px; }
.ex-count {
  margin-left: auto; font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: .06em; color: var(--muted);
}

.ex-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.ex-card {
  --ex: var(--teal);
  position: relative; display: flex; flex-direction: column; gap: 7px;
  min-height: 152px; padding: 16px;
  border: 1px solid var(--line); border-radius: 13px;
  background: var(--card); color: var(--ink); text-align: left;
  font: inherit; cursor: pointer;
  animation: exIn .36s cubic-bezier(.2, .9, .3, 1) backwards;
  animation-delay: calc(var(--i, 0) * 18ms);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.ex-card[data-group="co"] { --ex: #b7791f; }
.ex-card[data-group="about"] { --ex: #3f7ca6; }
.ex-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--ex) 34%, var(--line));
  box-shadow: var(--shadow-m);
  text-decoration: none;
}
.ex-glyph {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  font-family: var(--font-serif); font-size: 19px; font-weight: 700;
  background: color-mix(in srgb, var(--ex) 12%, var(--card));
  color: var(--ex);
  transition: transform .2s ease;
}
.ex-card:hover .ex-glyph { transform: scale(1.05) rotate(-3deg); }
.ex-body { display: flex; flex-direction: column; gap: 3px; }
.ex-body b { font-family: var(--font-serif); font-size: 16.5px; letter-spacing: .01em; }
.ex-body small { color: var(--muted); font-size: 12px; line-height: 1.6; }
.ex-tag {
  align-self: flex-start; margin-top: auto;
  font-size: 10.5px; line-height: 1.4; padding: 2px 7px; border-radius: 99px;
  background: var(--amber-soft);
  color: color-mix(in srgb, var(--amber) 58%, #5a3a08);
}
.ex-arrow {
  position: absolute; right: 14px; top: 18px;
  color: var(--muted); font-size: 15px;
  transition: transform .2s ease, color .2s ease;
}
.ex-card:hover .ex-arrow { color: var(--ex); transform: translateX(3px); }
.ex-card:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
@keyframes exIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
html[data-theme="dark"] .ex-card[data-group="co"] { --ex: var(--amber); }
html[data-theme="dark"] .ex-card[data-group="about"] { --ex: #7fb3d9; }
html[data-theme="dark"] .ex-tag { color: var(--amber); }

.ex-empty {
  margin: 8px 0 0; padding: 34px 16px; text-align: center;
  color: var(--muted); font-size: 13.5px;
  border: 1px dashed var(--line-strong); border-radius: 13px;
}

.ex-route {
  position: relative; overflow: hidden;
  padding: 22px;
  border: 1px solid var(--line); border-radius: var(--radius-l);
  background: linear-gradient(120deg, color-mix(in srgb, var(--teal) 5%, var(--card)), var(--card) 62%);
}
.ex-route::after {
  content: ""; position: absolute; right: -40px; top: -70px;
  width: 230px; height: 230px; border-radius: 50%;
  background: radial-gradient(circle, rgba(227, 160, 60, .16), transparent 70%);
  pointer-events: none;
}
.ex-route-head { position: relative; z-index: 1; margin-bottom: 14px; }
.ex-route-head h2 { margin: 6px 0 0; font-size: 22px; }
.ex-steps { position: relative; z-index: 1; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.ex-steps a, .ex-steps button {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  width: 100%; height: 100%; padding: 15px 16px 16px;
  border: 1px solid var(--line); border-radius: 12px;
  background: var(--card); color: var(--ink); text-align: left;
  font: inherit; cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.ex-steps a:hover, .ex-steps button:hover {
  transform: translateY(-2px); text-decoration: none;
  border-color: var(--teal); background: var(--teal-soft);
  box-shadow: var(--shadow-s);
}
.ex-steps b { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--amber); }
.ex-steps strong { font-family: var(--font-serif); font-size: 15px; }
.ex-steps span { font-size: 12px; color: var(--muted); line-height: 1.55; padding-right: 18px; }
.ex-steps i {
  position: absolute; right: 14px; bottom: 14px;
  font-style: normal; color: var(--teal); transition: transform .18s ease;
}
.ex-steps a:hover i, .ex-steps button:hover i { transform: translateX(3px); }
html[data-theme="dark"] .ex-route { background: linear-gradient(120deg, color-mix(in srgb, var(--teal) 10%, var(--card)), var(--card) 62%); }
html[data-theme="dark"] .ex-steps a:hover, html[data-theme="dark"] .ex-steps button:hover { background: var(--teal-soft); }

@media (max-width: 960px) {
  .ex-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .ex-steps { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .ex-grid { grid-template-columns: 1fr; }
  .ex-card { min-height: 0; }
  .ex-hero { padding: 32px 0 26px; }
  .ex-search kbd { display: none; }
  .ex-route { padding: 18px; }
  .ex-route-head h2 { font-size: 19px; }
}

/* ---------- 6. 导航小图标 & 探索卡交互反馈 ---------- */
.nav-more-btn .nav-ico { width: 13px; height: 13px; margin-right: 1px; opacity: .8; flex: 0 0 auto; }
.nav-more-btn:hover .nav-ico, .nav-more-btn.active .nav-ico, .nav-more-btn.open .nav-ico { opacity: 1; }
.nav-more-btn.open .nav-ico { transform: none; }

.ex-card { overflow: hidden; isolation: isolate; }
.ex-card > .ex-glyph, .ex-card > .ex-body, .ex-card > .ex-tag { position: relative; z-index: 1; }
.ex-card > .ex-arrow { z-index: 1; }
.ex-card:active { transform: translateY(-1px) scale(.994); box-shadow: var(--shadow-s); }
.ex-card .ripple-ink { border-radius: 50%; }

.ex-steps a, .ex-steps button { overflow: hidden; isolation: isolate; }
.ex-steps a > b, .ex-steps a > strong, .ex-steps a > span,
.ex-steps button > b, .ex-steps button > strong, .ex-steps button > span { position: relative; z-index: 1; }
.ex-steps i { z-index: 1; }

@media (max-width: 1400px) and (min-width: 901px) {
  .topbar-inner { gap: 10px; }
  .nav { gap: 2px; }
  .nav a { padding-left: 5px; padding-right: 5px; }
}

/* 中等宽度下先收起导航小图标，避免顶栏拥挤；手机菜单展开时仍保留图标 */
@media (max-width: 1240px) and (min-width: 901px) {
  .nav a .nav-ico, .nav-more-btn .nav-ico { display: none; }
}