/* EasyTalk 官网 + Web 端 —— 亮色 / 品牌蓝 #3296FA / 大圆角 */
:root {
  --brand: #7454c6;
  --brand-dk: #5c3ba5;
  --ink: #282235;
  --ink-2: #71677f;
  --line: #e8e2ef;
  --bg: #f8f6fb;
  --card: #ffffff;
  --danger: #f5484d;
  --ok: #26bf6c;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
:focus-visible { outline: 3px solid #8bc5ff; outline-offset: 3px; }
button, input, select { font: inherit; }
button:disabled { cursor: not-allowed; opacity: .55; }
.records-toolbar { display:flex; gap:10px; flex-wrap:wrap; margin:22px 0 12px; }
.records-toolbar input { flex:1; min-width:180px; }
.records-toolbar input, .records-toolbar select, #transcriptSearch {
  border:1px solid var(--line); border-radius:10px; padding:10px 13px; background:#fff; color:var(--ink);
}
.records-workspace { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.1fr); gap:22px; margin-top:14px; align-items:start; }
.records-workspace .rec-list { max-height:65vh; overflow:auto; padding:2px; }
.records-workspace .rec-item { width:100%; text-align:left; padding:18px; flex-wrap:wrap; }
.records-workspace .rec-item.selected { background:#edf5ff; border-color:#8bc5ff; box-shadow:inset 3px 0 var(--brand); }
.rec-main { min-width:0; overflow-wrap:anywhere; }
.rec-main .rec-meta { display:block; }
.record-preview { position:sticky; top:86px; min-height:320px; overflow-wrap:anywhere; }
.record-preview h2 { text-align:left; font-size:24px; margin:12px 0; }
.record-preview .sum-text { margin:20px 0; }
.eyebrow { font-size:12px; color:var(--brand-dk); font-weight:600; }
.workspace-tabs { display:flex; gap:6px; border-bottom:1px solid var(--line); padding-bottom:10px; margin-bottom:18px; }
.workspace-tabs button { background:transparent; color:var(--ink-2); border:0; padding:10px 14px; border-radius:10px; cursor:pointer; }
.workspace-tabs button[aria-selected="true"] { color:var(--brand-dk); background:#eaf3ff; font-weight:600; }
.workspace-tabs button:hover { background:#f0f6ff; }
.detail-tools { display:flex; gap:8px; padding:12px 22px; flex-wrap:wrap; border-bottom:1px solid var(--line); }
.detail-feedback { padding:12px 22px; border-top:1px solid var(--line); }
#dBody { min-height:300px; overflow-wrap:anywhere; }
#dBody h4 { margin:18px 0 10px; }
#transcriptSearch { width:100%; margin-bottom:14px; }
.sum-text, .tl-item p { white-space:pre-wrap; }
.mm-kids:empty { display:none; }
.demo-head { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.demo-pane { min-height:180px; }
.demo-pane p { margin-top:16px; }
.demo-footer { color:var(--brand-dk); padding-top:12px; border-top:1px solid var(--line); font-weight:600; }
.demo-card .demo-line { margin:12px 0; }
.feat-card, .dl-card { transition:transform .2s, box-shadow .2s; }
.feat-card:hover, .dl-card:hover { transform:translateY(-3px); box-shadow:0 12px 32px #22314e0d; }
@media(max-width:900px) {
  .records-workspace { grid-template-columns:1fr; }
  .record-preview { position:static; }
  .records-workspace .rec-list { max-height:42vh; }
}
@media(max-width:600px) {
  .detail-tools { padding:10px; gap:6px; }
  .detail-tools button { padding:8px 12px; }
  .workspace-tabs button { padding:9px; font-size:13px; }
  .modal { padding:10px; }
  .modal-box { max-height:94dvh; }
  .records-toolbar select { flex:1; min-width:120px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation:none !important; transition:none !important; }
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.6;
}
.hidden { display: none !important; }
a { color: inherit; text-decoration: none; }
h1 { font-size: 34px; line-height: 1.25; }
h2 { font-size: 26px; text-align: center; margin-bottom: 26px; }
h3 { font-size: 17px; }
small { color: var(--ink-2); font-weight: 400; }

/* ---------------- 按钮 ---------------- */
.btn-primary, .btn-ghost, .btn-danger {
  display: inline-block; border: 0; cursor: pointer; font-size: 14px;
  padding: 10px 24px; border-radius: 999px; transition: .18s; font-family: inherit;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dk); transform: translateY(-1px); }
.btn-primary:disabled { background: #b9d4f5; cursor: not-allowed; transform: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(.94); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-lg { padding: 13px 32px; font-size: 16px; border-radius: 999px; }

/* ---------------- 导航 ---------------- */
.nav {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 20px; height: 62px;
  display: flex; align-items: center; gap: 26px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.brand-logo { font-size: 22px; }
.brand-name em { font-style: normal; color: var(--brand); }
.nav-links { display: flex; gap: 20px; flex: 1; }
.nav-links a {
  font-size: 14px; color: var(--ink-2); padding: 7px 14px;
  border-radius: 999px; transition: .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--brand); background: #e9f2fe; }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.lang-toggle { min-width: 52px; }

/* ---------------- Hero ---------------- */
.hero {
  max-width: 1160px; margin: 0 auto; padding: 70px 20px 50px;
  display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center;
}
.hero-text h1 { font-size: 46px; }
.hero-sub { margin: 18px 0 26px; font-size: 17px; color: var(--ink-2); max-width: 460px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 13px; color: var(--ink-2); }
.hero-art { position: relative; min-height: 320px; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .5; }
.orb-1 { width: 260px; height: 260px; right: -30px; top: -40px;
  background: radial-gradient(circle at 30% 30%, #bfe0ff, #3296fa55); }
.orb-2 { width: 140px; height: 140px; left: 10px; bottom: -20px;
  background: radial-gradient(circle at 30% 30%, #d8f5e4, #26bf6c44); }
.demo-card {
  position: relative; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px;
  display: grid; gap: 12px; margin-top: 40px;
}
.demo-line { font-size: 14.5px; display: flex; gap: 8px; align-items: baseline; }
.demo-line.demo-tl { color: var(--ink-2); }
.demo-tag {
  flex: none; font-size: 11px; background: #eef4ff; color: var(--brand-dk);
  border-radius: 6px; padding: 2px 7px; font-weight: 600;
}
.demo-tag.tag-blue { background: var(--brand); color: #fff; }

/* ---------------- 区块 ---------------- */
.section { max-width: 1160px; margin: 0 auto; padding: 60px 20px; }
.section-alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); max-width: none; }
.section-alt > * { max-width: 1120px; margin-left: auto; margin-right: auto; }
.section-sub { text-align: center; color: var(--ink-2); margin: -14px 0 30px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; transition: .2s;
}
.feat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #cfe3fb; }
.feat-ico { font-size: 30px; margin-bottom: 10px; }
.feat-card p { margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step { text-align: center; padding: 10px 20px; }
.step-n {
  display: inline-flex; width: 44px; height: 44px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: 20px; font-weight: 700;
  align-items: center; justify-content: center; margin-bottom: 12px;
}
.step p { font-size: 14px; color: var(--ink-2); margin-top: 6px; }

/* ---------------- 下载 ---------------- */
.dl-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 760px; margin: 0 auto 22px; }
.dl-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; text-align: center; box-shadow: var(--shadow);
}
.dl-ico { font-size: 40px; }
.dl-card h3 { margin: 8px 0 4px; }
.dl-ver { font-size: 13px; color: var(--ink-2); margin-bottom: 14px; }
.dl-card .btn-primary { margin-top: 14px; }
.dl-feats { list-style: none; margin: 12px 0; font-size: 13.5px; color: var(--ink-2); }
.dl-feats li { padding: 3px 0; }
.dl-preview { text-align: center; }
.dl-preview .btn-ghost { margin-top: 4px; }
.hint { font-size: 13px; color: var(--ink-2); }

/* ---------------- 页面通用 ---------------- */
.page { max-width: 1000px; margin: 0 auto; padding: 44px 20px 80px; }
.page > h1 { margin-bottom: 10px; }
.footer { text-align: center; padding: 34px 20px 44px; color: var(--ink-2); font-size: 13px; }

/* ---------------- 工作台 ---------------- */
.studio-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.live-dot { display: inline-flex; align-items: center; gap: 7px; font-size: 13px; color: var(--danger); font-weight: 600; }
.live-dot i { width: 10px; height: 10px; border-radius: 50%; background: var(--danger); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.cfg-row label, .cfg-grid label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.cfg-row input, .cfg-grid select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 11px;
  font-size: 14.5px; font-family: inherit; background: #fbfdff; outline: none;
}
.cfg-row input:focus, .cfg-grid select:focus { border-color: var(--brand); }
.cfg-grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 16px; margin-top: 16px; }
.cfg-switches { display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.switch { display: flex; gap: 8px; align-items: center; font-size: 13.5px; cursor: pointer; }
.switch input { accent-color: var(--brand); width: 16px; height: 16px; }
.cfg-actions { display: flex; gap: 14px; align-items: center; margin-top: 18px; flex-wrap: wrap; }

.cap-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cap-box-head {
  padding: 12px 18px; font-weight: 700; font-size: 14px; background: #f2f7fe;
  border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between;
}
.cap-box-hint { font-weight: 400; font-size: 12px; color: #a8b3c5; }
.cap-flow { height: 420px; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 16px; }
.col-empty { color: #a8b3c5; text-align: center; margin-top: 180px; font-size: 13.5px; }
.seg { animation: fadein .25s; border-left: 2px solid var(--line); padding-left: 14px; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } }
.seg-src { font-size: 15px; line-height: 1.55; }
.seg-dst { font-size: 14px; color: var(--brand); margin-top: 4px; line-height: 1.5; font-weight: 500; }
.seg-partial .seg-src { color: #9aa7bb; font-style: italic; font-size: 14px; }
.cap-time { font-size: 11px; color: #b3bdcc; margin-right: 6px; }

/* ---------------- 记录 ---------------- */
.rec-list { display: grid; gap: 14px; }
.rec-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; display: flex; align-items: center; gap: 16px; cursor: pointer; transition: .18s;
}
.rec-item:hover { box-shadow: var(--shadow); border-color: #cfe3fb; }
.rec-ico { font-size: 26px; }
.rec-main { flex: 1; }
.rec-main h3 { font-size: 15.5px; }
.rec-meta { font-size: 12.5px; color: var(--ink-2); margin-top: 3px; }
.badge { font-size: 11.5px; border-radius: 8px; padding: 3px 10px; font-weight: 600; }
.badge-gray { background: #eef1f6; color: var(--ink-2); }
.badge-blue { background: #e3f0ff; color: var(--brand-dk); }
.badge-green { background: #e2f7ea; color: #1a9e54; }
.badge-red { background: #fdeaea; color: var(--danger); }

/* ---------------- 详情弹层 ---------------- */
.modal {
  position: fixed; inset: 0; z-index: 90; background: rgba(15, 30, 60, .45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-box {
  background: #fff; border-radius: 20px; width: 100%; max-width: 860px; max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden; animation: fadein .2s;
}
.modal-sm { max-width: 400px; }
.modal-head {
  padding: 16px 22px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.modal-head h3 { font-size: 16px; }
.modal-body { padding: 22px; overflow-y: auto; }
.sum-block { margin-bottom: 18px; }
.sum-block h4 { font-size: 14px; margin-bottom: 8px; color: var(--brand-dk); }
.sum-text { background: #f6faff; border-radius: 12px; padding: 14px; font-size: 14.5px; }
.sum-list { padding-left: 20px; font-size: 14px; }
.sum-list li { margin: 4px 0; }
.transcript { border-top: 1px solid var(--line); padding-top: 14px; }
.tl-item { padding: 8px 0; border-bottom: 1px dashed #eef1f6; font-size: 14px; }
.tl-item .who { color: var(--brand-dk); font-weight: 600; margin-right: 8px; }
.tl-item .when { color: #b3bdcc; font-size: 11px; margin-left: 8px; }

/* 思维导图（横向缩进树） */
.mindmap { overflow-x: auto; padding: 10px 0; }
.mm-root { display: flex; align-items: center; gap: 34px; }
.mm-node {
  background: #eef5ff; border: 1.5px solid #bcd9fb; color: var(--ink);
  border-radius: 12px; padding: 7px 13px; font-size: 13.5px; white-space: nowrap; font-weight: 600;
}
.mm-branch { display: flex; flex-direction: column; gap: 12px; }
.mm-branch > .mm-node { background: #e2f7ea; border-color: #b5e8c9; }
.mm-kids { display: flex; flex-direction: column; gap: 7px; margin-left: 16px; border-left: 2px solid #d5e6f8; padding-left: 16px; }
.mm-kid { background: #f7fafd; border: 1px solid var(--line); border-radius: 9px; padding: 5px 11px; font-size: 12.5px; white-space: nowrap; font-weight: 400; }

/* ---------------- 账户 ---------------- */
.acc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.acc-card { text-align: center; padding: 30px; }
.acc-avatar {
  width: 62px; height: 62px; border-radius: 50%; background: var(--brand); color: #fff;
  font-size: 26px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 10px;
}
.acc-num { font-size: 30px; font-weight: 700; color: var(--brand-dk); margin: 8px 0; }

/* ---------------- 登录弹层 ---------------- */
.auth-tabs { display: flex; gap: 4px; }
.auth-tab {
  border: 0; background: transparent; font-size: 15px; font-weight: 600; padding: 6px 14px;
  cursor: pointer; border-radius: 10px; color: var(--ink-2); font-family: inherit;
}
.auth-tab.active { background: #e8f2ff; color: var(--brand-dk); }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form input {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; font-size: 14.5px;
  font-family: inherit; outline: none;
}
.auth-form input:focus { border-color: var(--brand); }
.form-err { color: var(--danger); font-size: 13px; }

/* ---------------- 遮罩/提示 ---------------- */
.gate { text-align: center; padding: 60px 20px; }
.gate-box { display: inline-block; }
.gate-ico { font-size: 44px; margin-bottom: 10px; }
.gate p { margin: 8px 0 18px; color: var(--ink-2); font-size: 14px; }
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 99;
  background: #22314e; color: #fff; padding: 11px 22px; border-radius: 12px;
  font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.25); animation: fadein .2s;
  max-width: 80vw;
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-art { display: none; }
  .feat-grid, .steps, .dl-cards, .acc-grid { grid-template-columns: 1fr; }
  .cfg-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .hero-text h1 { font-size: 34px; }
}

/* ---- SVG 线性图标（替换 emoji，2026-09-18） ---- */
.ic {
  width: 1em; height: 1em; display: inline-block; vertical-align: -0.14em;
  fill: none; stroke: currentColor; stroke-width: 1.8;
  stroke-linecap: round; stroke-linejoin: round;
}
.brand-logo .ic { width: 24px; height: 24px; color: var(--brand); vertical-align: -5px; }
.feat-ico .ic   { width: 34px; height: 34px; color: var(--brand); }
.dl-ico .ic     { width: 46px; height: 46px; color: var(--brand); }
.gate-ico .ic   { width: 50px; height: 50px; color: var(--brand); }
.rec-ico .ic    { width: 28px; height: 28px; color: var(--brand); vertical-align: -6px; }

/* ================= 2026-09-18 晚新增：验证码 / 面对面 / 兑换 / 记录类型 ================= */
.captcha-row { display: flex; gap: 10px; align-items: stretch; }
.captcha-row input { flex: 1; }
.captcha-img { display: inline-flex; align-items: center; cursor: pointer; border-radius: 10px; overflow: hidden; min-width: 150px; justify-content: center; }
.captcha-img svg { display: block; }
.room-row { display: flex; gap: 8px; }
.room-row input { flex: 1; }
.redeem-row { display: flex; gap: 10px; margin-top: 10px; }
.redeem-row input { flex: 1; }
.redeem-row select {
  flex: 1; background: #fff; border: 1px solid #EBEFF4; border-radius: 10px;
  padding: 10px 12px; color: #1D2129; font-size: 13px; outline: none;
}
.redeem-row select:focus { border-color: #3296FA; }
/* ---- 面对面翻译：单机双半区（安卓复刻 · 字幕窗版） ---- */
.f2f-card-wrap { max-width: 860px; margin: 0 auto; }
#f2fLive { display: flex; flex-direction: column; margin-top: 18px; }
#f2fLive.hidden { display: none; }
.f2f-engine { display: flex; align-items: center; justify-content: center; gap: 10px; font-size: 13px; color: var(--ink-2); background: #f7fafd; border: 1px solid var(--line); border-radius: 10px; padding: 9px 14px; }
.f2f-setup { margin-top: 16px; }
.f2f-langrow { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.f2f-langsel { flex: 1; min-width: 150px; max-width: 260px; }
.f2f-langsel label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.f2f-langsel select { width: 100%; }
.f2f-swap { height: 40px; min-width: 44px; font-size: 17px; border-radius: 12px; }
.f2f-ttssw { padding-bottom: 10px; margin-left: auto; }
.f2f-actions { justify-content: center; margin-top: 18px; }
.f2f-half-head { display: flex; align-items: center; gap: 8px; margin: 0 2px 8px; font-size: 14px; color: var(--ink); }
.f2f-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.f2f-dot.dot-top { background: var(--brand); }
.f2f-dot.dot-bottom { background: #18A058; }
.f2f-arrow { margin-left: auto; font-size: 12px; color: #a8b3c5; }
.f2f-divider { position: relative; border-top: 1px dashed #D8E0EA; margin: 16px 0; }
.f2f-swap-mid { position: absolute; left: 50%; top: -21px; margin-left: -22px; width: 42px; height: 42px; border-radius: 50%; background: #fff; font-size: 16px; }
/* 固定字幕窗：不滚动、底部对齐、最多 3 条（JS 淘汰最顶一条） */
.f2f-flow { height: 290px; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 8px; padding: 12px 16px; background: #F2F5FA; border-radius: 14px; border: 1px solid var(--line); }
.f2f-card { flex: none; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 9px 14px; line-height: 1.55; max-width: 92%; animation: f2fin .28s ease; transition: margin-top .24s ease, opacity .2s ease; }
@keyframes f2fin { from { transform: translateY(12px); opacity: 0; } }
.f2f-card.leaving { opacity: 0; pointer-events: none; }
.f2f-card .f2f-tag { display: inline-block; font-size: 11px; padding: 1px 9px; border-radius: 20px; background: #EEF3FB; color: #7A8699; margin-right: 8px; vertical-align: 1px; }
.f2f-card p { margin: 3px 0 0; font-size: 14.5px; color: #1D2129; word-break: break-word; }
.f2f-card.is-orig p { font-weight: 400; }
.f2f-card:not(.is-orig) { background: #F4FAFF; border-color: #CFE6FF; }
.f2f-card:not(.is-orig) p { font-weight: 700; color: var(--brand-dk, #0E42D2); }
.f2f-card:not(.is-orig) .f2f-tag { background: #E6F1FB; color: var(--brand); }
.f2f-card.is-err p { color: #999; font-weight: 400; }
.f2f-tip { text-align: center; margin-top: 16px; }
.badge-kind { font-size: 11px; padding: 3px 9px; border-radius: 20px; background: #EEF3FB; color: #5A6B85; white-space: nowrap; }
.badge-kind.k-pc { background: #F0F7FF; color: var(--brand); }
.badge-kind.k-web { background: #F0FDF6; color: #18A058; }
.badge-kind.k-video { background: #FDF2F0; color: #E5484D; }
.sum-extra ul { margin: 6px 0 10px; padding-left: 20px; }
.sum-extra li { margin: 3px 0; font-size: 13.5px; }
.mm-tree { padding-left: 0; }
.mm-node { display: inline-block; padding: 4px 12px; border-radius: 8px; background: #F0F7FF; color: var(--brand); font-size: 13px; margin: 3px 0; }
.mm-branch { border-left: 2px solid #D8E8FF; margin-left: 8px; padding-left: 14px; }
.mm-root > .mm-node { font-weight: 700; font-size: 14px; }

/* ================= 2026-09-19：全球访问延迟表（匿名聚合，仅地区+延迟） ================= */
.lat-mine {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; max-width: 640px; margin: 0 auto 16px;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 18px; box-shadow: var(--shadow); font-size: 14px; color: var(--ink-2);
}
.lat-table {
  width: 100%; max-width: 640px; margin: 0 auto; border-collapse: collapse;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden; font-size: 14.5px;
}
.lat-table thead th {
  text-align: left; font-size: 12.5px; color: var(--ink-2); font-weight: 600;
  padding: 11px 18px; background: #F4F8FE; border-bottom: 1px solid var(--line);
}
.lat-table td { padding: 11px 18px; border-bottom: 1px solid #EEF3FA; }
.lat-table tbody tr:last-child td { border-bottom: none; }
.lat-table th:nth-child(2), .lat-table td:nth-child(2),
.lat-table th:nth-child(3), .lat-table td:nth-child(3) { text-align: right; }
.lat-table td:nth-child(3) { color: var(--ink-2); font-size: 13px; }
.lat-ok   { color: var(--ok); }
.lat-mid  { color: #d9830f; }
.lat-slow { color: var(--danger); }
.lat-empty { text-align: center; color: var(--ink-2); padding: 22px 0; }
.lat-you td { background: #EDF6FF; font-weight: 600; }
.lat-you td:nth-child(2), .lat-you td:nth-child(3) { font-weight: 700; }

/* ================= 2026-09-19：移动端全功能适配 ================= */
/* 汉堡按钮：桌面隐藏 */
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line);
  border-radius: 12px; background: #fff; cursor: pointer; flex: none;
}
.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--ink); transition: .2s; }
body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  h1 { font-size: 30px; }
  h2 { font-size: 22px; margin-bottom: 20px; }
  .section { padding: 40px 16px; }
  .page { padding: 30px 16px 60px; }

  /* 导航：汉堡 + 下拉面板 */
  .nav-toggle { display: flex; order: 3; }
  .nav-inner { gap: 12px; height: 58px; padding: 0 14px; }
  .brand-name { font-size: 15px; }
  .nav-actions { margin-left: auto; gap: 8px; }
  .nav-links {
    display: none; position: absolute; top: 58px; left: 0; right: 0;
    flex-direction: column; gap: 2px; background: #fff; padding: 10px 14px 14px;
    border-bottom: 1px solid var(--line); box-shadow: 0 18px 30px rgba(28,60,120,.12);
  }
  body.nav-open .nav-links { display: flex; }
  .nav-links a { padding: 13px 12px; font-size: 15px; border-radius: 10px; }
  .nav-links a:active { background: #eef5ff; }

  /* 首页 */
  .hero { padding: 34px 16px 30px; gap: 0; }
  .hero-sub { font-size: 15px; margin: 12px 0 20px; }
  .hero-cta .btn-lg { width: 100%; text-align: center; padding: 14px 20px; }
  .hero-note { font-size: 12px; }
  .lat-mine { width: 100%; justify-content: center; }
  .lat-table { font-size: 13.5px; }
  .lat-table th, .lat-table td { padding: 9px 12px; }

  /* 卡片栅格单列 */
  .feat-grid, .steps, .dl-cards, .acc-grid { grid-template-columns: 1fr; }
  .feat-card { padding: 20px; }

  /* 工作台 */
  .studio-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .cap-flow { height: 300px; padding: 12px 14px; }
  .cfg-row input, .cfg-grid select { padding: 13px 14px; font-size: 16px; }  /* 16px 防 iOS 聚焦放大 */
  .auth-form input, .room-row input, .redeem-row input, #fCaptcha { font-size: 16px; }
  .cfg-actions .btn-lg { width: 100%; text-align: center; }
  .btn-primary, .btn-ghost, .btn-danger { min-height: 44px; }               /* 触控目标 ≥44px */

  /* 记录 / 详情 */
  .rec-item { padding: 14px 16px; flex-wrap: wrap; }
  .rec-main { min-width: 60%; }
  .badge { margin-left: 0; }
  .modal { padding: 10px; align-items: flex-end; }
  .modal-box { max-height: 92vh; border-radius: 20px 20px 0 0; }
  .modal-sm { max-width: 100%; }
  .modal-body { padding: 18px 16px; }

  /* 登录弹层 / 行内组合 */
  .captcha-row { flex-wrap: wrap; }
  .captcha-img { min-width: 120px; min-height: 44px; }
  .room-row, .redeem-row { flex-wrap: wrap; }
  .room-row .btn-ghost, .redeem-row .btn-primary { width: 100%; }
  /* 面对面翻译 · 手机端 */
  .f2f-langrow { flex-direction: column; align-items: stretch; gap: 10px; }
  .f2f-langsel { min-width: 0; max-width: none; }
  .f2f-swap { align-self: center; transform: rotate(90deg); min-width: 52px; }
  .f2f-ttssw { padding: 2px 2px 0; margin-left: 0; justify-content: center; }
  .f2f-flow { height: 168px; padding: 10px 12px; }
  .f2f-card { max-width: 100%; padding: 8px 11px; }
  .f2f-card p { font-size: 13px; }
  .f2f-arrow { display: none; }
  .f2f-engine { font-size: 12px; flex-wrap: wrap; }
  .f2f-actions .btn-lg { width: 100%; text-align: center; }
  .gate { padding: 36px 14px; }
}

@media (max-width: 380px) {
  .brand-name em { display: none; }
  .lang-toggle { min-width: 44px; padding: 10px 8px; }
}

/* ================= 2026-09-19 晚：公告栏 + UI 细节打磨 ================= */
.ann-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1080px; margin: 0 auto; }
.ann-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.ann-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(50,150,250,.10); }
.ann-card h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 15.5px; }
.ann-card h3 .ic { width: 18px; height: 18px; color: var(--brand); }
.ann-list { list-style: none; margin: 0; padding: 0; max-height: 260px; overflow-y: auto; }
.ann-list li { padding: 9px 0; border-bottom: 1px dashed var(--line); }
.ann-list li:last-child { border-bottom: none; }
.ann-row { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.ann-row b { color: var(--brand-dk); }
.ann-date { font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.ann-note { font-size: 12.5px; color: var(--ink-2); margin-top: 3px; line-height: 1.55; }
.ann-empty { color: var(--ink-2); font-size: 13px; }
.ann-status { display: flex; flex-wrap: wrap; gap: 8px; }
.ann-chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px;
  border-radius: 999px; font-size: 13px; font-weight: 600;
}
.ann-chip.ok   { background: #E8F8EE; color: #1B8A4C; }
.ann-chip.bad  { background: #FDECEC; color: #C53030; }
.ann-chip.wait { background: #F0F3F8; color: var(--ink-2); }
.ann-chip.ok::before, .ann-chip.bad::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
}
.ann-chip.ok::before  { background: #26BF6C; box-shadow: 0 0 0 3px #26bf6c33; }
.ann-chip.bad::before { background: #F5484D; box-shadow: 0 0 0 3px #f5484d33; }

/* 交互细节打磨：全局更顺滑的悬停/按压反馈 */
@media (hover: hover) {
  .feat-card:hover, .dl-card:hover, .step:hover { transform: translateY(-4px); }
  .feat-card, .dl-card, .step { transition: transform .25s ease, box-shadow .25s ease; }
}
.btn-primary:active, .btn-ghost:active { transform: scale(.97); }
.btn-primary, .btn-ghost { transition: transform .12s ease, box-shadow .2s ease, background .2s ease; }
.lat-table tbody tr { transition: background .15s ease; }
.lat-table tbody tr:hover { background: #F4F8FF; }
@media (max-width: 900px) {
  .ann-grid { grid-template-columns: 1fr; }
  .ann-list { max-height: 200px; }
}

/* Product demo and review workspace remain usable on touch screens. */
.hero-art { min-width:0; }
.demo-card { box-shadow:0 20px 60px #243f6810; }
.demo-card [role="tabpanel"] { min-height:205px; }
.demo-card .mm-node, .demo-card .mm-kid { white-space:normal; }
.record-preview h2 { text-align:left; }
@media(max-width:900px) {
  #product.hero-art { display:block; min-height:0; }
  .demo-card { margin-top:0; }
  .orb { display:none; }
}
@media(max-width:600px) {
  #detailModal .modal-box { max-height:94dvh; }
  .demo-card { padding:16px; }
  .demo-head { flex-wrap:wrap; }
}
/* Public navigation remains available on every view. */
.site-footer {max-width:1200px;margin:72px auto 0;padding:44px 24px 24px;text-align:left;border-top:1px solid #e6e2ef;background:transparent}
.footer-grid {display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:32px}
.footer-grid h3 {font-size:14px;margin:0 0 18px;color:#262035}
.footer-grid a {display:block;width:fit-content;margin:12px 0;color:#665e76;text-decoration:none;line-height:1.6}
.footer-grid a:hover {color:#7253c7;text-decoration:underline;text-underline-offset:5px}
.footer-grid p {max-width:230px;line-height:1.8;color:#756e83}
.footer-grid .footer-email {font-size:12px;overflow-wrap:anywhere}
.footer-bottom {border-top:1px solid #e6e2ef;margin-top:32px;padding-top:24px;font-size:12px;color:#756e83}
.public-page {max-width:850px;min-height:45vh}
.public-copy p {white-space:pre-line;font-size:16px;line-height:1.95;margin:24px 0;color:#514a60}
.public-copy h2 {margin-top:30px}
.lang-toggle {max-width:116px;cursor:pointer}
@media(max-width:720px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.site-footer{margin-top:36px}.public-page{padding:24px 18px}.nav-actions{gap:4px}.lang-toggle{max-width:86px;padding:8px 4px}}