/* EasyTalk 官网 + Web 端 —— 亮色 / 品牌蓝 #3296FA / 大圆角 */
:root {
  --brand: #3296fa;
  --brand-dk: #1c7ce0;
  --ink: #1c2333;
  --ink-2: #5a6478;
  --line: #e6ebf2;
  --bg: #f6f9fd;
  --card: #ffffff;
  --danger: #f5484d;
  --ok: #26bf6c;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(28, 60, 120, .08);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
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 22px; border-radius: 12px; 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 30px; font-size: 16px; border-radius: 14px; }

/* ---------------- 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: 6px 2px; border-radius: 8px; }
.nav-links a:hover, .nav-links a.active { color: var(--brand); }
.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; }