/* ==========================================================================
   MANBET品牌站 · 共享样式 /assets/site.css
   包含：重置、设计变量、中文排版、头部、页脚、通用组件、响应式
   ========================================================================== */

/* ---------- 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd, hr {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- 设计变量 ---------- */
:root {
  /* 色彩 */
  --ink: #0A1428;          /* 墨蓝基底 */
  --silver: #E8ECF4;       /* 科技银 */
  --white: #FFFFFF;        /* 纯白 */
  --orange: #FF6A1A;       /* 品牌锚点橙 */
  --cyan: #16C79A;         /* 电子青 */
  --blue: #123A6B;         /* 结构深蓝 */
  --gray: #5A6577;         /* 中灰文本 */
  --mist: #F3F5FA;         /* 浅银分区 */
  --amber: #F5B301;        /* 警示琥珀 */
  --teal: #0E7C6B;         /* 深青绿 */
  --line: #C9D3E4;
  --dim: rgba(232, 236, 244, .72);
  --dim-strong: rgba(232, 236, 244, .30);

  /* 形状 */
  --radius: 4px;
  --bd: 2px;
  --bd-strong: 3px;
  --shadow-hard: 6px 6px 0 rgba(18, 58, 107, .16);
  --shadow-hard-ink: 6px 6px 0 rgba(10, 20, 40, .55);
  --shadow-sm: 3px 3px 0 rgba(18, 58, 107, .18);

  /* 版式 */
  --maxw: 1240px;
  --gutter: 24px;
  --slot: 24px;
  --font-sans: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  /* 缓动 */
  --ease: cubic-bezier(.4, .14, .3, 1);
}

/* ---------- 中文排版基线 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  color: var(--gray);
  background: var(--white);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  color: var(--blue);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.01em;
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 6vw, 64px); }
h2 { font-size: clamp(26px, 3.6vw, 42px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; }

p { font-size: 17px; line-height: 1.75; }
strong { font-weight: 800; color: var(--blue); }

.num,
code, kbd, samp, .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

::selection { background: var(--orange); color: var(--white); }

/* ---------- 焦点可见 ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  top: 8px;
  left: 12px;
  z-index: 120;
  transform: translateY(-260%);
  padding: 10px 18px;
  background: var(--orange);
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .18s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

#main-content { scroll-margin-top: 96px; }

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--ink);
  color: var(--silver);
  border-bottom: var(--bd) solid var(--silver);
}

.header-inner {
  position: relative;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* 品牌锁定 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-width: 0;
}

.brand-mark {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 900;
  line-height: 1;
  border: var(--bd) solid var(--orange);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 rgba(232, 236, 244, .22);
}

.brand-text { display: block; min-width: 0; }

.brand-name {
  display: block;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: .16em;
  color: var(--white);
}

.brand-tagline {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  line-height: 1.3;
  letter-spacing: .22em;
  color: var(--cyan);
  white-space: nowrap;
}

/* 导航 */
.site-nav { margin-left: auto; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 12px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--silver);
  border-bottom: var(--bd) solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(232, 236, 244, .06);
  border-bottom-color: var(--orange);
}

.nav-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--teal);
  transition: color .16s var(--ease);
}

.nav-link:hover .nav-num { color: var(--cyan); }

.nav-link[aria-current="page"] {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.nav-link[aria-current="page"] .nav-num { color: var(--orange); }

/* 头部次要操作 */
.header-utility {
  display: none;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 13px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--silver);
  background: transparent;
  border: var(--bd) solid var(--dim-strong);
  border-radius: var(--radius);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.ghost-btn:hover {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

/* 菜单按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  margin-left: auto;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--silver);
  background: rgba(232, 236, 244, .06);
  border: var(--bd) solid var(--silver);
  border-radius: var(--radius);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.nav-toggle:hover { border-color: var(--orange); color: var(--white); }

.nav-toggle[aria-expanded="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

/* 移动端导航面板 */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  max-height: 72vh;
  overflow-y: auto;
  padding: 10px;
  background: var(--ink);
  border: var(--bd) solid var(--silver);
  border-top: 0;
  box-shadow: var(--shadow-hard-ink);
}

.site-nav[data-open] { display: block; }

/* ---------- 桌面端（≥1024px） ---------- */
@media (min-width: 1024px) {
  .header-inner {
    justify-content: flex-start;
    gap: 28px;
    padding-block: 16px;
  }

  .nav-toggle { margin-left: 0; display: none; }

  .header-utility { display: flex; }

  .site-nav {
    position: static;
    display: block;
    width: auto;
    max-height: none;
    overflow: visible;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    margin-left: auto;
  }

  .nav-list { flex-direction: row; gap: 2px; }

  .nav-link { padding: 8px 11px; }

  /* 压缩态：右侧栏目收拢为带序号的下拉目录 */
  .site-header[data-condensed] .header-inner { padding-block: 10px; }
  .site-header[data-condensed] .brand-tagline { display: none; }
  .site-header[data-condensed] .nav-toggle { display: inline-flex; margin-left: auto; }

  .site-header[data-condensed] .site-nav {
    position: absolute;
    top: 100%;
    right: var(--gutter);
    left: auto;
    width: 268px;
    max-height: 72vh;
    display: none;
    padding: 10px;
    background: var(--ink);
    border: var(--bd) solid var(--silver);
    box-shadow: var(--shadow-hard-ink);
  }

  .site-header[data-condensed] .site-nav[data-open] { display: block; }

  .site-header[data-condensed] .nav-list { flex-direction: column; gap: 2px; }
  .site-header[data-condensed] .nav-link { padding: 10px 12px; }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: var(--ink);
  color: var(--silver);
  border-top: var(--bd-strong) solid var(--orange);
}

.footer-inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(40px, 5vw, 64px) var(--gutter) 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.footer-logo {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: .18em;
  color: var(--white);
}

.footer-tag {
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.footer-note {
  margin-top: 18px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

.footer-address {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dim);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 28px;
}

.footer-col {
  padding-left: 16px;
  border-left: var(--bd) solid var(--dim-strong);
}

.footer-col-title {
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .06em;
  color: var(--white);
}

.footer-links { display: grid; gap: 10px; }

.footer-links a {
  display: inline-block;
  width: fit-content;
  font-size: 15px;
  line-height: 1.6;
  color: var(--silver);
  border-bottom: var(--bd) solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.footer-links a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.footer-base {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 20px var(--gutter) 32px;
  border-top: var(--bd) solid var(--dim-strong);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--dim);
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--silver);
}

.footer-contact { word-break: break-word; }
.footer-copy { color: var(--dim); }

@media (min-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1.9fr; gap: 48px; }
}

/* ==========================================================================
   通用布局组件
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 4vw, 56px); }
.section--dark { background: var(--ink); color: var(--silver); }
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--white); }
.section--mist { background: var(--mist); }

.grid { display: grid; gap: var(--slot); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }
.grid--asym { grid-template-columns: 1fr; }

@media (min-width: 1024px) {
  .grid--asym { grid-template-columns: 8fr 4fr; gap: 40px; align-items: start; }
}

.stack { display: grid; gap: 16px; }
.stack--lg { gap: 28px; }

/* 标题与索引 */
.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .24em;
  color: var(--orange);
}

.section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(56px, 9vw, 96px);
  font-weight: 900;
  line-height: .84;
  letter-spacing: -.02em;
  color: rgba(18, 58, 107, .13);
  user-select: none;
}

.section--dark .section-index { color: rgba(232, 236, 244, .13); }

.section-title { font-size: clamp(26px, 3.6vw, 42px); }
.section-title--light { color: var(--white); }

.lede {
  max-width: 68ch;
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--gray);
}
.section--dark .lede { color: var(--dim); }

/* 面包屑 */
.breadcrumb {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--blue);
  opacity: .45;
}
.breadcrumb a {
  border-bottom: var(--bd) solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.breadcrumb a:hover { color: var(--orange); border-bottom-color: var(--orange); }
.breadcrumb [aria-current="page"] { color: var(--blue); font-weight: 700; }

/* 正文 */
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.9em; }
.prose h3 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; list-style: square; }
.prose li + li { margin-top: .45em; }
.prose a {
  color: var(--blue);
  border-bottom: var(--bd) solid var(--orange);
  font-weight: 700;
}
.prose a:hover { color: var(--orange); }

.note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}
.section--dark .note { color: var(--dim); }

.rule {
  height: var(--bd);
  background: var(--blue);
  border: 0;
  opacity: .18;
}
.section--dark .rule { background: var(--silver); opacity: .22; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .02em;
  color: var(--blue);
  background: var(--white);
  border: var(--bd) solid var(--blue);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--blue);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease),
              background-color .16s var(--ease), color .16s var(--ease),
              border-color .16s var(--ease);
}

.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--blue); }
.btn:active { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--blue); }

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
  box-shadow: 4px 4px 0 var(--blue);
}
.btn--primary:hover { box-shadow: 6px 6px 0 var(--blue); }

.btn--ghost {
  background: transparent;
  color: var(--silver);
  border-color: var(--silver);
  box-shadow: 4px 4px 0 rgba(232, 236, 244, .26);
}
.btn--ghost:hover { box-shadow: 6px 6px 0 rgba(232, 236, 244, .26); }

.btn--sm { padding: 8px 16px; font-size: 14px; box-shadow: 3px 3px 0 var(--blue); }

/* 标签与筛选 */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: var(--bd) solid var(--line);
  margin-bottom: 28px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--blue);
  background: var(--white);
  border: var(--bd) solid var(--blue);
  border-radius: 999px;
  transition: color .16s var(--ease), background-color .16s var(--ease),
              border-color .16s var(--ease), transform .16s var(--ease);
}

.chip:hover { border-color: var(--orange); color: var(--orange); }

.chip[aria-pressed="true"],
.chip--active {
  color: var(--white);
  background: var(--orange);
  border-color: var(--orange);
}

.section--dark .chip {
  color: var(--silver);
  background: transparent;
  border-color: var(--dim-strong);
}
.section--dark .chip[aria-pressed="true"] {
  color: var(--ink);
  background: var(--orange);
  border-color: var(--orange);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--teal);
  border: var(--bd) solid var(--teal);
  border-radius: 999px;
}

.tag--amber { color: #7A5600; border-color: var(--amber); background: rgba(245, 179, 1, .16); }
.tag--cyan { color: var(--teal); border-color: var(--cyan); background: rgba(22, 199, 154, .12); }

/* 卡片 */
.card {
  position: relative;
  padding: 24px;
  background: var(--white);
  border: var(--bd) solid var(--blue);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease),
              transform .18s var(--ease);
}

.card:hover {
  border-color: var(--orange);
  box-shadow: 6px 6px 0 rgba(255, 106, 26, .3);
  transform: translateY(-2px);
}

.card-title {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--blue);
}

.card-meta {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gray);
}

.card p + p { margin-top: .8em; }

.section--dark .card {
  background: rgba(232, 236, 244, .05);
  border-color: var(--dim-strong);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, .35);
}
.section--dark .card:hover { border-color: var(--orange); }
.section--dark .card-title { color: var(--white); }

/* 数字块 */
.stat { display: grid; gap: 6px; }

.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--orange);
}

.stat-label {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}
.section--dark .stat-label { color: var(--dim); }

/* 图形容器 */
.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(18, 58, 107, .16), rgba(22, 199, 154, .16)),
    var(--mist);
  border: var(--bd) solid var(--blue);
  border-radius: var(--radius);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame img,
.media-frame picture,
.media-frame svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 16px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--blue);
  opacity: .68;
}

.section--dark .media-frame {
  background:
    linear-gradient(135deg, rgba(255, 106, 26, .18), rgba(22, 199, 154, .18)),
    rgba(232, 236, 244, .05);
  border-color: var(--dim-strong);
}
.section--dark .media-fallback { color: var(--silver); }

/* 网格底纹 */
.grid-bg {
  background-image:
    linear-gradient(rgba(18, 58, 107, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 58, 107, .07) 1px, transparent 1px);
  background-size: 32px 32px;
}

.grid-bg--dark {
  background-image:
    linear-gradient(rgba(232, 236, 244, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 236, 244, .08) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* 轻提示 */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 130;
  max-width: calc(100% - 32px);
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  background: var(--ink);
  border: var(--bd) solid var(--orange);
  border-radius: var(--radius);
  box-shadow: 6px 6px 0 rgba(255, 106, 26, .32);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(14px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}

.toast[data-visible] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 显现动效 */
[data-js="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

[data-js="on"] [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* 打印时隐藏头部动效 */
@media print {
  .site-header, .site-footer, .toast { display: none; }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  [data-js="on"] [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .toast {
    opacity: 1;
    transform: translateX(-50%);
  }
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 480px) {
  :root { --gutter: 18px; }

  .brand-mark { width: 34px; height: 34px; font-size: 17px; }
  .brand-name { font-size: 18px; letter-spacing: .12em; }
  .brand-tagline { font-size: 10px; letter-spacing: .16em; }
  .nav-toggle { padding: 8px 11px; font-size: 13px; }

  .footer-base { flex-direction: column; align-items: flex-start; }
}