:root {
  --brand: #2b7a78;
  --brand-2: #3aafa9;
  --brand-3: #17252a;
  --accent: #fe8a71;
  --accent-2: #ffd166;
  --paper: #f6fbfa;
  --paper-2: #ffffff;
  --ink: #14201f;
  --ink-2: #3d4f4d;
  --ink-3: #6b7f7c;
  --line: rgba(43, 122, 120, 0.16);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.55);
  --shadow-sm: 0 2px 10px rgba(23, 37, 42, 0.06);
  --shadow-md: 0 12px 32px rgba(23, 37, 42, 0.10);
  --shadow-lg: 0 24px 60px rgba(23, 37, 42, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --header-h: 72px;
  --maxw: 1180px;
}

html[data-theme="dark"] {
  --paper: #0e1618;
  --paper-2: #142022;
  --ink: #e9f4f3;
  --ink-2: #b7c9c7;
  --ink-3: #8ba09e;
  --line: rgba(222, 242, 241, 0.14);
  --glass: rgba(20, 32, 34, 0.62);
  --glass-border: rgba(222, 242, 241, 0.12);
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.55);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(58, 175, 169, 0.16), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(254, 138, 113, 0.12), transparent 55%),
    var(--paper);
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
  overflow-x: hidden;
}

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

a:hover,
a:focus-visible {
  color: var(--brand-2);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.9rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.35rem); }
h4 { font-size: clamp(1rem, 1.4vw, 1.12rem); }

p {
  margin: 0 0 1em;
  color: var(--ink-2);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: rgba(58, 175, 169, 0.32);
  color: var(--ink);
}

/* ============ Header ============ */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--ink);
  font-weight: 800;
}

.logo svg {
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(43, 122, 120, 0.35);
  transition: transform 0.4s var(--ease);
}

.logo:hover svg {
  transform: rotate(-6deg) scale(1.06);
}

.logo-text {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  background: linear-gradient(120deg, var(--brand), var(--brand-2) 60%, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
}

#site-header nav {
  flex: 1 1 auto;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-list::-webkit-scrollbar { display: none; }

.nav-list li { flex-shrink: 0; }

.nav-list a {
  display: inline-block;
  padding: 8px 11px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--ink-2);
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  background: rgba(58, 175, 169, 0.16);
  color: var(--brand);
  transform: translateY(-1px);
}

.site-search {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  flex-shrink: 0;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.site-search:focus-within {
  border-color: var(--brand-2);
  box-shadow: 0 0 0 4px rgba(58, 175, 169, 0.16);
}

.site-search input {
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  padding: 6px 10px;
  width: 170px;
  min-width: 0;
  outline: none;
}

.site-search input::placeholder {
  color: var(--ink-3);
}

.site-search button {
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  padding: 7px 16px;
  border-radius: 999px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), filter 0.25s var(--ease);
}

.site-search button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(43, 122, 120, 0.35);
  filter: saturate(120%);
}

#theme-toggle,
#menu-toggle {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--ink);
  font-size: 1.05rem;
  cursor: pointer;
  display: inline-grid;
  place-items: center;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

#theme-toggle:hover,
#menu-toggle:hover {
  transform: translateY(-2px) rotate(8deg);
  box-shadow: var(--shadow-md);
  background: rgba(58, 175, 169, 0.14);
}

#menu-toggle { display: none; }

/* ============ Banner ============ */
.banner {
  position: relative;
  max-width: var(--maxw);
  margin: 24px auto 0;
  padding: 0 20px;
}

.banner-slides {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--brand-3), var(--brand));
}

.banner .slide {
  display: none;
  animation: fadeSlide 0.7s var(--ease);
}

.banner .slide.active {
  display: block;
}

.banner .slide svg {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  display: block;
}

@keyframes fadeSlide {
  from { opacity: 0; transform: scale(1.02); }
  to { opacity: 1; transform: scale(1); }
}

.banner-dots {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(23, 37, 42, 0.35);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.banner-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border-radius: 50%;
  border: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.45);
  transition: width 0.35s var(--ease), background 0.35s var(--ease);
}

.banner-dots button[aria-selected="true"] {
  width: 28px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

/* ============ Hero ============ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 20px 24px;
  text-align: center;
}

.hero h1 {
  margin-bottom: 18px;
  background: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 45%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-wrap: balance;
}

.hero-desc {
  max-width: 860px;
  margin: 0 auto 36px;
  font-size: clamp(0.95rem, 1.2vw, 1.06rem);
  color: var(--ink-2);
  text-wrap: pretty;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.hero-stats .stat {
  padding: 22px 14px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  font-size: 0.88rem;
  color: var(--ink-3);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.hero-stats .stat:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(58, 175, 169, 0.4);
}

.hero-stats .num {
  display: block;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 6px;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============ Breadcrumb ============ */
.breadcrumb {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px 20px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--ink-3);
}

.breadcrumb li + li::before {
  content: "›";
  margin-right: 6px;
  color: var(--ink-3);
  opacity: 0.6;
}

.breadcrumb a {
  color: var(--ink-3);
}

.breadcrumb a:hover { color: var(--brand); }

.breadcrumb [aria-current="page"] {
  color: var(--brand);
  font-weight: 600;
}

/* ============ Anchor nav ============ */
.anchor-nav {
  max-width: var(--maxw);
  margin: 12px auto 0;
  padding: 0 20px;
}

.anchor-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.anchor-nav a {
  display: inline-block;
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--ink-2);
  background: rgba(58, 175, 169, 0.08);
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.anchor-nav a:hover {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  transform: translateY(-2px);
}

/* ============ Sections ============ */
main > section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 44px 20px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

main > section + section {
  border-top: 1px solid var(--line);
}

main > section > h2 {
  position: relative;
  padding-left: 18px;
  margin-bottom: 26px;
}

main > section > h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2), var(--accent));
}

main > section h3 {
  margin-top: 1.4em;
  color: var(--brand);
}

main > section h3:first-of-type {
  margin-top: 0;
}

main > section p {
  text-wrap: pretty;
}

/* ============ Posts ============ */
.post {
  position: relative;
  padding: 26px 26px 22px;
  margin-bottom: 20px;
  border-radius: var(--radius-lg);
  background: var(--paper-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s var(--ease);
  overflow: hidden;
}

.post::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(58, 175, 169, 0.10), rgba(254, 138, 113, 0.08));
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.post:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(58, 175, 169, 0.42);
}

.post:hover::after { opacity: 1; }

.post > * { position: relative; z-index: 1; }

.post h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: var(--ink);
}

.post .meta {
  font-size: 0.82rem;
  color: var(--ink-3);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.post > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--brand);
  padding: 6px 0;
}

.post > a::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.post > a:hover::after {
  transform: translateX(5px);
}

/* ============ FAQ ============ */
#faq details {
  margin-bottom: 14px;
  border-radius: var(--radius-md);
  background: var(--paper-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.35s var(--ease), border-color 0.35s var(--ease), transform 0.35s var(--ease);
}

#faq details:hover {
  border-color: rgba(58, 175, 169, 0.4);
  box-shadow: var(--shadow-md);
}

#faq details[open] {
  border-color: rgba(58, 175, 169, 0.55);
  box-shadow: var(--shadow-md);
}

#faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 52px 16px 20px;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

#faq summary::-webkit-details-marker { display: none; }

#faq summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  transition: transform 0.35s var(--ease), background 0.35s var(--ease);
}

#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

#faq summary:hover {
  background: rgba(58, 175, 169, 0.08);
}

#faq details p {
  margin: 0;
  padding: 0 20px 18px;
  font-size: 0.95rem;
  animation: revealDown 0.4s var(--ease);
}

@keyframes revealDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============ HowTo ============ */
#howto h4 {
  color: var(--brand);
  margin-top: 1.2em;
}

#howto h4::before {
  content: "▹ ";
  color: var(--accent);
}

/* ============ Contact & legal ============ */
#contact p,
#legal p {
  font-size: 0.96rem;
}

/* ============ Footer ============ */
footer {
  margin-top: 40px;
  background: linear-gradient(160deg, var(--brand-3), #0c1517 70%);
  color: #cfe3e1;
  position: relative;
  overflow: hidden;
}

footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(58, 175, 169, 0.22), transparent 65%),
    radial-gradient(500px 260px at 90% 100%, rgba(254, 138, 113, 0.16), transparent 65%);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 20px 32px;
  display: grid;
  gap: 28px;
}

.footer-brand p {
  color: #cfe3e1;
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.footer-brand strong {
  color: #fff;
  font-size: 1.05rem;
}

footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

footer nav a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.88rem;
  color: #cfe3e1;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s var(--ease), color 0.3s var(--ease), transform 0.3s var(--ease);
}

footer nav a:hover {
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff;
  transform: translateY(-2px);
}

.copyright {
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  color: rgba(207, 227, 225, 0.7);
}

/* ============ Back to top ============ */
#back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  color: var(--brand);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s var(--ease), background 0.3s var(--ease);
}

#back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  transform: translateY(-4px) scale(1.05);
}

/* ============ Scroll reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .nav-list a { padding: 8px 9px; font-size: 0.85rem; }
  .site-search input { width: 130px; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }

  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 16px;
  }

  .logo-text { font-size: 0.98rem; }

  #menu-toggle { display: inline-grid; order: 3; }

  #theme-toggle { order: 2; }

  .site-search {
    order: 4;
    flex: 1 1 100%;
    margin-top: 2px;
  }

  .site-search input {
    width: 100%;
    flex: 1 1 auto;
  }

  #site-header nav {
    order: 5;
    flex: 1 1 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease);
    opacity: 0;
  }

  #site-header nav.is-open {
    max-height: 70vh;
    overflow-y: auto;
    opacity: 1;
    padding-bottom: 8px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 6px 0;
  }

  .nav-list a {
    display: block;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    background: rgba(58, 175, 169, 0.07);
    font-size: 0.92rem;
  }

  .hero { padding: 36px 16px 16px; }

  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .banner { padding: 0 16px; margin-top: 16px; }

  main > section { padding: 34px 16px; }

  .breadcrumb,
  .anchor-nav { padding-left: 16px; padding-right: 16px; }

  .post { padding: 20px 18px 16px; }
}

@media (max-width: 560px) {
  body { font-size: 15px; line-height: 1.7; }

  .header-inner { padding: 10px 14px; }

  .logo svg { width: 34px; height: 34px; }

  .logo-text { font-size: 0.9rem; }

  #theme-toggle,
  #menu-toggle { width: 38px; height: 38px; font-size: 0.95rem; }

  .banner { padding: 0 12px; }

  .banner-slides,
  .banner .slide svg { border-radius: var(--radius-lg); }

  .banner-dots { bottom: 10px; padding: 6px 10px; gap: 8px; }

  .hero { padding: 28px 14px 12px; }

  .hero-desc { margin-bottom: 26px; }

  .hero-stats { gap: 10px; }

  .hero-stats .stat { padding: 16px 10px; border-radius: var(--radius-md); font-size: 0.8rem; }

  .breadcrumb,
  .anchor-nav { padding-left: 14px; padding-right: 14px; }

  .anchor-nav ul { padding: 10px; gap: 6px; }

  .anchor-nav a { font-size: 0.8rem; padding: 5px 11px; }

  main > section { padding: 28px 14px; }

  main > section > h2 { padding-left: 14px; margin-bottom: 20px; }

  main > section > h2::before { width: 5px; }

  .post { padding: 18px 16px 14px; border-radius: var(--radius-md); }

  #faq summary { padding: 14px 46px 14px 16px; font-size: 0.94rem; }

  #faq summary::after { right: 14px; width: 24px; height: 24px; }

  #faq details p { padding: 0 16px 16px; font-size: 0.9rem; }

  .footer-inner { padding: 36px 14px 26px; gap: 22px; }

  footer nav a { font-size: 0.82rem; padding: 5px 12px; }

  #back-to-top { right: 14px; bottom: 16px; width: 44px; height: 44px; }
}

@media (hover: none) {
  .post:hover,
  .hero-stats .stat:hover,
  .logo:hover svg,
  #theme-toggle:hover,
  #menu-toggle:hover {
    transform: none;
  }
}

/* ============ Print ============ */
@media print {
  #site-header,
  .banner,
  .anchor-nav,
  #back-to-top,
  footer nav {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  main > section {
    padding: 12px 0;
    border-top: 1px solid #ddd;
  }

  .post,
  #faq details {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }

  a { color: #000; text-decoration: underline; }
}