/* 广州泰生信息技术有限公司 官网 —— 增强样式
   依赖 style.css 里定义的 CSS 变量（--brand / --ink / --line 等）。
   本文件只做增量：移动端导航、悬浮客服、留资表单、能力标签、痛点卡、仿真通话演示。 */

/* ============================================================
   1. 移动端汉堡菜单
   ============================================================ */
.nav-burger {
  display: none;
  width: 40px; height: 40px; flex: none;
  border: 1px solid var(--line-2); border-radius: 10px;
  background: #fff; cursor: pointer; padding: 0;
  align-items: center; justify-content: center;
  margin-left: 8px;
}
.nav-burger span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: var(--ink); position: relative;
}
.nav-burger span::before,
.nav-burger span::after {
  content: ""; position: absolute; left: 0; width: 18px; height: 2px;
  border-radius: 2px; background: var(--ink); transition: transform .18s ease;
}
.nav-burger span::before { top: -6px; }
.nav-burger span::after { top: 6px; }

.drawer {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(13,27,42,.42);
  opacity: 0; visibility: hidden; transition: opacity .2s ease, visibility .2s ease;
}
.drawer.open { opacity: 1; visibility: visible; }
.drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(305px, 84vw); background: #fff;
  padding: 18px 20px 26px; overflow-y: auto;
  transform: translateX(100%); transition: transform .22s ease;
  box-shadow: -10px 0 30px rgba(13,27,42,.14);
  display: flex; flex-direction: column;
}
.drawer.open .drawer-panel { transform: translateX(0); }
.drawer-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 8px; border-bottom: 1px solid var(--line);
}
.drawer-head b { font-size: 15px; }
.drawer-close {
  width: 34px; height: 34px; border: 1px solid var(--line-2); border-radius: 9px;
  background: #fff; cursor: pointer; font-size: 17px; line-height: 1;
  color: var(--ink-2); padding: 0;
}
.drawer nav { display: flex; flex-direction: column; }
.drawer nav a {
  padding: 14px 4px; font-size: 16px; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.drawer nav a.on { color: var(--brand); font-weight: 600; }
.drawer-foot { margin-top: auto; padding-top: 22px; }
.drawer-foot .btn { width: 100%; justify-content: center; }
.drawer-foot p { font-size: 13px; color: var(--muted); margin: 14px 0 0; text-align: center; }

/* ============================================================
   2. 右侧悬浮客服
   ============================================================ */
.sidebar {
  position: fixed; right: 18px; bottom: 26px; z-index: 80;
  display: flex; flex-direction: column; gap: 10px;
}
.sbar-item { position: relative; }
.sbar-btn {
  width: 50px; height: 50px; border-radius: 14px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px;
  box-shadow: var(--shadow); color: var(--ink-2);
  font-size: 10px; line-height: 1.1; text-decoration: none;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.sbar-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); text-decoration: none; }
.sbar-btn svg { width: 20px; height: 20px; }
.sbar-btn b { font-size: 10px; font-weight: 600; }
.sbar-btn.primary { background: var(--brand); color: #fff; border-color: var(--brand); }
.sbar-btn.primary:hover { background: var(--brand-d); }

/* 二维码气泡（hover / click 触发） */
.qr-pop {
  position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) scale(.96);
  width: 186px; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 14px; box-shadow: 0 12px 34px rgba(13,27,42,.14);
  opacity: 0; visibility: hidden; transition: all .18s ease; pointer-events: none;
}
.sbar-item:hover .qr-pop, .qr-pop.open {
  opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); pointer-events: auto;
}
.qr-pop img { width: 100%; border-radius: 8px; }
.qr-pop .cap { font-size: 12px; color: var(--muted); text-align: center; margin: 9px 0 0; line-height: 1.5; }
.qr-pop .cap b { display: block; color: var(--ink); font-size: 13px; margin-bottom: 2px; }
.qr-pop::after {
  content: ""; position: absolute; left: 100%; top: 50%; transform: translateY(-50%);
  border: 7px solid transparent; border-left-color: #fff;
}

/* ============================================================
   3. 留资表单
   ============================================================ */
.lead-form {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 30px 28px; box-shadow: var(--shadow);
}
.lead-form h3 { margin-bottom: 6px; }
.lead-form .hint { font-size: 14px; color: var(--muted); margin: 0 0 20px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 10px;
  background: #fff; outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--brand); box-shadow: 0 0 0 3px rgba(27,75,216,.10);
}
.field textarea { resize: vertical; min-height: 84px; }
.lead-form .btn { width: 100%; justify-content: center; }
.form-note { font-size: 12.5px; color: var(--muted); margin: 12px 0 0; line-height: 1.6; }
.form-msg {
  margin-top: 14px; padding: 12px 15px; border-radius: 10px; font-size: 14px;
  background: #eefaf5; border: 1px solid #b9e6d5; color: #0b6b4f; display: none;
}
.form-msg.show { display: block; }
.form-msg.warn { background: #fff8ec; border-color: #f0d9a8; color: #7a5714; }

/* ============================================================
   4. 能力标签（单字 + 说明，参照「耳答改记查」的记法）
   ============================================================ */
.ability-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.ability {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; box-shadow: var(--shadow);
}
.ability .glyph {
  width: 46px; height: 46px; border-radius: 13px; margin-bottom: 14px;
  background: linear-gradient(135deg, var(--brand) 0%, #2f6bff 100%);
  color: #fff; font-size: 22px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.ability h4 { font-size: 16px; margin-bottom: 4px; }
.ability .tag2 { font-size: 12.5px; color: var(--brand); font-weight: 600; margin-bottom: 9px; display: block; }
.ability p { font-size: 14px; color: var(--ink-2); margin: 0; line-height: 1.7; }

/* ============================================================
   5. 痛点卡
   ============================================================ */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pain {
  background: #fff; border: 1px solid var(--line); border-left: 3px solid #e2604f;
  border-radius: 0 var(--radius) var(--radius) 0; padding: 26px 24px;
}
.pain h4 { font-size: 18px; margin-bottom: 8px; color: #b8412f; }
.pain p { font-size: 15px; margin: 0; color: var(--ink-2); }

/* ============================================================
   6. 仿真通话演示
   ============================================================ */
.phone-demo {
  background: #0d1b2a; border-radius: 20px; padding: 22px;
  box-shadow: 0 18px 44px rgba(13,27,42,.28); color: #dbe6f5;
}
.pd-head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding-bottom: 15px; border-bottom: 1px solid rgba(255,255,255,.10); margin-bottom: 16px;
}
.pd-live { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #7ee0b8; }
.pd-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #16c98d; flex: none;
  animation: pdPulse 1.6s ease-in-out infinite;
}
@keyframes pdPulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.8); } }
.pd-timer { font-size: 13px; color: #93a7c0; font-variant-numeric: tabular-nums; }
.pd-stream { display: flex; flex-direction: column; gap: 11px; min-height: 232px; }
.pd-line { display: flex; gap: 10px; align-items: flex-start; opacity: 0; animation: pdIn .34s ease forwards; }
@keyframes pdIn { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
.pd-line .who {
  flex: none; width: 46px; height: 24px; border-radius: 7px; font-size: 11.5px; font-weight: 600;
  display: flex; align-items: center; justify-content: center; margin-top: 3px;
}
.pd-line.ai .who { background: rgba(47,107,255,.20); color: #9dbaff; }
.pd-line.cu .who { background: rgba(255,255,255,.10); color: #b9c8de; }
.pd-line .say {
  background: rgba(255,255,255,.065); border-radius: 4px 12px 12px 12px;
  padding: 10px 14px; font-size: 14.5px; line-height: 1.62; color: #e6eefa;
}
.pd-line.ai .say { background: rgba(47,107,255,.13); }
.pd-line .say em { color: #ffc95c; font-style: normal; }
.pd-foot {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; padding-top: 15px;
  border-top: 1px solid rgba(255,255,255,.10);
}
.pd-tag {
  font-size: 12px; color: #9dbaff; background: rgba(47,107,255,.14);
  border-radius: 999px; padding: 5px 12px;
}
.pd-legend { font-size: 12.5px; color: #8195ae; margin: 14px 0 0; }

/* ============================================================
   7. 行业场景卡（试听 / 预约试打）
   ============================================================ */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.scene {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.scene .ico { font-size: 24px; line-height: 1; margin-bottom: 12px; }
.scene h4 { font-size: 16px; margin-bottom: 8px; }
.scene p { font-size: 14px; color: var(--ink-2); margin: 0 0 16px; }
.scene .acts { display: flex; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.scene .acts .btn { padding: 9px 16px; font-size: 14px; border-radius: 9px; }
.btn.ghost { background: #fff; color: var(--ink-2); border-color: var(--line-2); }
.btn.ghost:hover { border-color: var(--brand); color: var(--brand); }
.scene .soon {
  font-size: 12px; color: var(--muted); background: var(--bg-soft);
  border: 1px dashed var(--line-2); border-radius: 9px; padding: 9px 14px;
  flex: 1; text-align: center;
}

/* ============================================================
   8. 页脚二维码区（企业微信 + 个人微信 双码）
   ============================================================ */
footer .cols.q4 { grid-template-columns: 1.25fr .8fr .8fr 236px; }
footer .qr-box { text-align: left; }
footer .qr-duo { display: flex; gap: 14px; }
footer .qr-one { display: block; width: 104px; text-align: center; }
footer .qr-one:hover { text-decoration: none; }
footer .qr-one img {
  display: block; width: 104px; height: 104px; box-sizing: border-box;
  border-radius: 10px; background: #fff; padding: 6px;
}
footer .qr-one b { display: block; color: #fff; font-size: 12.5px; margin-top: 8px; }
footer .qr-one span { display: block; font-size: 11.5px; color: #8296ad; line-height: 1.5; margin-top: 2px; }
footer .qr-pub { font-size: 12.5px; color: #8296ad; margin: 13px 0 0; line-height: 1.6; }
footer .qr-pub a { color: #cfe0f5; }

/* ============================================================
   9. 通用小件
   ============================================================ */
.sec-head { margin-bottom: 44px; }
.anchor-nav {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px;
}
.anchor-nav a {
  font-size: 14px; color: var(--ink-2); background: #fff;
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 15px;
}
.anchor-nav a:hover { border-color: var(--brand); color: var(--brand); text-decoration: none; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 18px; padding: 0; list-style: none; }
.tag-row li {
  font-size: 13.5px; color: var(--ink-2); background: var(--bg-soft);
  border: 1px solid var(--line); border-radius: 999px; padding: 5px 13px;
}
.two-col { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: start; }
.calc-list { margin: 0; padding: 0; list-style: none; }
.calc-list li {
  display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 15px; color: var(--ink-2);
}
.calc-list li:last-child { border-bottom: none; }
.calc-list li b { color: var(--ink); flex: none; min-width: 92px; }

/* ============================================================
   9b. 试听播放条
   ============================================================ */
.audio-bar {
  display: none; align-items: center; gap: 16px; flex-wrap: wrap;
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand);
  border-radius: 0 14px 14px 0; padding: 16px 20px; margin-bottom: 28px;
  box-shadow: var(--shadow);
}
.audio-bar.show { display: flex; }
.ab-info { display: flex; align-items: center; gap: 10px; min-width: 190px; }
.ab-badge {
  font-size: 12px; font-weight: 600; color: #fff; background: var(--brand);
  border-radius: 999px; padding: 4px 11px; flex: none;
}
.ab-info b { font-size: 15px; }
.audio-bar audio { flex: 1; min-width: 220px; height: 38px; }
.ab-close {
  width: 32px; height: 32px; flex: none; border: 1px solid var(--line-2);
  border-radius: 9px; background: #fff; cursor: pointer; color: var(--ink-2);
  font-size: 16px; line-height: 1; padding: 0;
}
.ab-tip {
  flex-basis: 100%; margin: 0; font-size: 13px; color: var(--muted); line-height: 1.65;
}
.ab-tip.warn { color: #7a5714; }
.scene .acts .btn[data-audio] { position: relative; }

/* ============================================================
   9c. 试打流程（带编号的横向步骤）
   ============================================================ */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flow-item { position: relative; padding-right: 8px; }
.flow-item .fn {
  width: 32px; height: 32px; border-radius: 50%; background: var(--brand-l); color: var(--brand);
  font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 13px;
}
.flow-item h4 { font-size: 16px; margin-bottom: 6px; }
.flow-item p { font-size: 14px; margin: 0; color: var(--ink-2); }

/* ============================================================
   9d. 联系方式补强（2026-09-17）：必填星号 / 短信按钮 / 直接联系块
   ============================================================ */
.field label .req { color: #b8412f; font-weight: 700; }

.form-sms {
  display: block; margin-top: 11px; text-align: center;
  font-size: 13.5px; font-weight: 600; color: var(--brand);
  background: var(--brand-l); border: 1px solid #c7d8fb;
  border-radius: 10px; padding: 11px 14px;
}
.form-sms:hover { text-decoration: none; background: #e4ecfd; }
.form-sms[hidden] { display: none; }

.direct-contact { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.dc-head { font-size: 13.5px; color: var(--muted); margin: 0 0 12px; line-height: 1.65; }
.dc-head b { color: var(--ink); }
.dc-rows { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dc-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; padding: 12px 8px; text-align: center;
  border: 1px solid var(--line-2); border-radius: 12px; background: #fff;
  color: var(--ink-2); font: inherit; cursor: pointer; text-decoration: none;
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.dc-btn:hover { border-color: var(--brand); color: var(--brand); background: #f7faff; text-decoration: none; }
.dc-btn svg { width: 19px; height: 19px; margin-bottom: 2px; }
.dc-btn b { font-size: 13px; font-weight: 600; }
.dc-btn span { font-size: 11.5px; color: var(--muted); line-height: 1.4; }

/* 二维码弹层：点击图片可在新标签打开原图，方便手机长按识别 */
.qr-pop { width: 200px; }
.qr-pop-img { display: block; }
.qr-pop-img img { display: block; width: 100%; border-radius: 8px; }
.qr-close {
  position: absolute; top: 7px; right: 7px; z-index: 2;
  width: 28px; height: 28px; border-radius: 8px; padding: 0; line-height: 1;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  font-size: 16px; cursor: pointer;
}
.qr-close:hover { border-color: var(--brand); color: var(--brand); }

/* 关于页：双码联系卡 */
.contact-qr { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }
.cq-item {
  display: flex; align-items: center; gap: 18px; padding: 18px 20px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); text-decoration: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.cq-item:hover { border-color: var(--brand); text-decoration: none; box-shadow: 0 10px 28px rgba(13,27,42,.10); }
.cq-item img { width: 108px; height: 108px; flex: none; border-radius: 8px; }
.cq-item b { display: block; font-size: 15.5px; color: var(--ink); margin-bottom: 6px; }
.cq-item span { font-size: 13.5px; color: var(--muted); line-height: 1.65; }

/* ============================================================
   10. 响应式
   ============================================================ */
@media (max-width: 960px) {
  .ability-grid { grid-template-columns: repeat(3, 1fr); }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  footer .cols.q4 { grid-template-columns: 1fr 1fr; }
  footer .qr-box { text-align: left; }
  .flow { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav-burger { display: flex; }
  .ability-grid, .pain-grid, .scene-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  footer .cols.q4 { grid-template-columns: 1fr; gap: 24px; }
  .sidebar { right: 12px; bottom: 16px; gap: 8px; }
  .sbar-btn { width: 46px; height: 46px; border-radius: 13px; }
  /* 手机上二维码改为点开居中弹层，避免超出屏幕 */
  .qr-pop {
    position: fixed; right: 16px; left: 16px; top: auto; bottom: 84px;
    width: auto; transform: none; padding: 16px 18px 18px;
  }
  .sbar-item:hover .qr-pop, .qr-pop.open { transform: none; }
  .qr-pop::after { display: none; }
  .qr-pop img { max-width: 260px; margin: 0 auto; }
  /* 直接联系块在手机上改为通栏竖排，文字更好读 */
  .dc-rows { grid-template-columns: 1fr; gap: 8px; }
  .dc-btn { flex-direction: row; justify-content: flex-start; gap: 10px; padding: 12px 15px; text-align: left; }
  .dc-btn svg { margin: 0; flex: none; }
  .dc-btn span { margin-left: auto; }
  .contact-qr { grid-template-columns: 1fr; gap: 14px; }
  .cq-item { gap: 14px; padding: 16px; }
  .cq-item img { width: 92px; height: 92px; }
  .lead-form { padding: 24px 20px; }
  .phone-demo { padding: 18px; border-radius: 16px; }
  .pd-line .say { font-size: 14px; }
  .audio-bar { padding: 14px 16px; gap: 12px; }
  .ab-info { min-width: 0; }
  .audio-bar audio { min-width: 100%; }
}

/* ============================================================
   11. 品牌升级（2026-09-17）
   ------------------------------------------------------------
   接入设计源文件导出的真实 LOGO（矢量级清晰度），并把它那条
   蓝→青绿渐变用在按钮、标签、光晕上，让整站的“清晰度”和“质感”
   一起提上来。只做增量覆盖，不改 style.css，方便单独回滚。
   ============================================================ */
:root {
  --brand-2: #17b89b;
  --brand-grad: linear-gradient(118deg, #1a6fd0 0%, #1f9fd8 48%, #17b89b 100%);
  --shadow-lift: 0 2px 6px rgba(13,27,42,.05), 0 20px 46px rgba(13,27,42,.11);
}

/* --- LOGO 接入 --- */
.brand-logo { width: 36px; height: 36px; flex: none; }
.brand-txt b { font-weight: 700; }
.brand-txt em { display: none; font-style: normal; font-weight: 700; }
.foot-logo { width: 178px; height: auto; margin: 0 0 14px; }
/* 页脚 LOGO 里已经含公司名，去掉下面重复的那行文字 */
footer .co { display: none; }
.about-logo { width: 300px; height: auto; margin: 4px 0 26px; }

/* --- 首屏：光晕换成品牌蓝绿 --- */
.hero {
  background:
    radial-gradient(720px 360px at 88% -10%, rgba(26,111,208,.12), transparent 62%),
    radial-gradient(600px 320px at 2% 108%, rgba(23,184,155,.10), transparent 60%),
    linear-gradient(180deg, #f9fcff 0%, #eef4ff 100%);
}

/* --- 主按钮：品牌渐变 + 柔和投影 --- */
.btn-p {
  background-color: var(--brand); background-image: var(--brand-grad);
  border-color: transparent; box-shadow: 0 5px 16px rgba(26,111,208,.20);
  transition: box-shadow .18s ease, filter .18s ease;
}
.btn-p:hover { filter: brightness(1.06); box-shadow: 0 10px 26px rgba(26,111,208,.28); }

/* --- 卡片：悬停轻微上浮，阴影更有层次 --- */
.card, .scene, .ability, .hero-facts li, .lead-form, .pain, .cq-item, .faq {
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover, .scene:hover, .ability:hover, .pain:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: #cfdcf0;
}

/* --- 小标签：加一枚品牌渐变方块，视觉锚点更清楚 --- */
.eyebrow::before {
  content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 2px;
  margin-right: 7px; vertical-align: 1px; background: var(--brand-grad);
}

/* --- 首屏大数字：渐变文字（渐进增强，浏览器不支持时回退纯色） --- */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .hero-facts b {
    background-image: var(--brand-grad); -webkit-background-clip: text;
    background-clip: text; -webkit-text-fill-color: transparent;
  }
}

/* --- 图标块与 CTA：统一到品牌渐变 --- */
.ability .glyph { background: var(--brand-grad); }
.card-ico { background: linear-gradient(135deg, #eaf0ff 0%, #e6f8f4 100%); }
.cta { background: linear-gradient(120deg, #10306e 0%, #1a6fd0 62%, #17b89b 132%); }

/* --- 页脚：加深一档，白字 LOGO 更立得住 --- */
footer { background: linear-gradient(180deg, #10233a 0%, #0b1727 100%); }

/* --- 细节 --- */
.faq summary { transition: background .15s ease; }
.faq summary:hover { background: #f7faff; }
th { letter-spacing: .01em; }

@media (max-width: 720px) {
  .brand-logo { width: 32px; height: 32px; }
  .foot-logo { width: 152px; }
  .about-logo { width: 216px; margin-bottom: 20px; }
  /* 手机导航空间有限：只留 LOGO + 短名 + 汉堡（电话入口在悬浮按钮和抽屉里） */
  .brand-txt b { display: none; }
  .brand-txt em { display: block; font-size: 15px; letter-spacing: 0; }
  .brand small { display: none; }
  .nav-tel { display: none; }
  .nav-burger { margin-left: auto; }
}