```css
/* ============================================================
   撸撸射 eszjx.cn - 城市漫步与街拍分享
   完整样式表 style.css
   ============================================================ */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #fafafa;
  --bg-soft: #f2f2f5;
  --fg: #1a1a2e;
  --muted: #666;
  --accent: #e94560;
  --accent-2: #0f3460;
  --accent-3: #533483;
  --card: #ffffff;
  --card-glass: rgba(255, 255, 255, 0.72);
  --border: #e5e5e5;
  --border-glass: rgba(255, 255, 255, 0.35);
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 46, 0.1);
  --shadow-lg: 0 18px 48px rgba(26, 26, 46, 0.16);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --header-h: 64px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --grad-banner: linear-gradient(135deg, #0f3460 0%, #16213e 45%, #e94560 100%);
  --grad-accent: linear-gradient(135deg, #e94560 0%, #533483 100%);
  --grad-soft: linear-gradient(135deg, rgba(233, 69, 96, 0.12), rgba(15, 52, 96, 0.12));
}

html.dark {
  --bg: #0e0e14;
  --bg-soft: #16161f;
  --fg: #eaeaea;
  --muted: #9a9a9a;
  --card: #1b1b26;
  --card-glass: rgba(27, 27, 38, 0.72);
  --border: #2c2c3a;
  --border-glass: rgba(255, 255, 255, 0.12);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.6);
  --accent: #ff6b81;
  --accent-2: #4a90d9;
  --accent-3: #8b6fd6;
  --grad-banner: linear-gradient(135deg, #0b1f3a 0%, #141428 45%, #7a2038 100%);
  --grad-accent: linear-gradient(135deg, #ff6b81 0%, #8b6fd6 100%);
  --grad-soft: linear-gradient(135deg, rgba(255, 107, 129, 0.14), rgba(74, 144, 217, 0.14));
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.8;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.35s var(--ease), color 0.35s var(--ease);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(600px 400px at 8% 0%, rgba(233, 69, 96, 0.08), transparent 70%),
    radial-gradient(700px 500px at 100% 20%, rgba(15, 52, 96, 0.1), transparent 70%);
}

html.dark body::before {
  background:
    radial-gradient(600px 400px at 8% 0%, rgba(255, 107, 129, 0.1), transparent 70%),
    radial-gradient(700px 500px at 100% 20%, rgba(74, 144, 217, 0.12), transparent 70%);
}

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

a:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

ul {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header / Nav ---------- */
header.top {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-glass);
  border-bottom: 1px solid var(--border);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  transition: box-shadow 0.35s var(--ease), background 0.35s var(--ease);
}

header.top.scrolled {
  box-shadow: var(--shadow-md);
  background: var(--card-glass);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--fg);
  flex-shrink: 0;
}

.logo:hover {
  text-decoration: none;
  color: var(--fg);
}

.logo svg {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.06);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links li {
  position: relative;
}

.nav-links a {
  display: inline-block;
  color: var(--fg);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--grad-accent);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover {
  color: var(--accent);
  background: var(--grad-soft);
  text-decoration: none;
}

.nav-links a:hover::after {
  width: 60%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 4px 6px 4px 14px;
  background: var(--bg-soft);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background 0.25s var(--ease);
}

.search-box:focus-within {
  border-color: var(--accent);
  background: var(--card);
  box-shadow: 0 0 0 4px rgba(233, 69, 96, 0.12);
}

.search-box input {
  border: none;
  outline: none;
  background: transparent;
  color: var(--fg);
  width: 130px;
  font-size: 14px;
  padding: 4px 0;
  font-family: inherit;
}

.search-box input::placeholder {
  color: var(--muted);
}

.search-box button {
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 15px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.search-box button:hover {
  background: var(--grad-soft);
  transform: scale(1.1);
}

.icon-btn {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg);
  font-size: 16px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.icon-btn:hover {
  transform: translateY(-2px) rotate(12deg);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.mobile-toggle {
  display: none;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  font-size: 20px;
  line-height: 1;
  color: var(--fg);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background 0.25s var(--ease);
}

.mobile-toggle:hover {
  background: var(--grad-soft);
}

/* ---------- Banner / Hero ---------- */
.banner {
  position: relative;
  overflow: hidden;
  height: 460px;
  background: var(--grad-banner);
  isolation: isolate;
}

.banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(500px 300px at 85% 15%, rgba(255, 255, 255, 0.14), transparent 65%),
    radial-gradient(420px 260px at 10% 90%, rgba(255, 255, 255, 0.1), transparent 65%);
  pointer-events: none;
}

.banner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(10, 14, 30, 0.55) 0%, rgba(10, 14, 30, 0.15) 60%, transparent 100%);
  pointer-events: none;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.04);
  transition: opacity 0.9s var(--ease), transform 1.2s var(--ease),
    visibility 0.9s var(--ease);
  padding: 0 20px;
  z-index: 2;
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.slide-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  color: #fff;
  padding: 0 20px;
}

.slide-content h2 {
  font-size: clamp(26px, 4.4vw, 46px);
  line-height: 1.28;
  margin-bottom: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  max-width: 780px;
}

.slide-content p {
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 660px;
  opacity: 0.94;
  line-height: 1.75;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.banner-dots {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.banner-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: width 0.35s var(--ease), background 0.35s var(--ease);
}

.banner-dots span:hover {
  background: rgba(255, 255, 255, 0.75);
}

.banner-dots span.active {
  width: 26px;
  border-radius: var(--radius-pill);
  background: #fff;
}

/* ---------- Sections ---------- */
section {
  padding: 64px 0;
  position: relative;
}

section h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 14px;
  color: var(--fg);
  font-weight: 800;
  letter-spacing: 0.4px;
  line-height: 1.35;
}

section h2::after {
  content: "";
  display: block;
  width: 52px;
  height: 4px;
  border-radius: 4px;
  background: var(--grad-accent);
  margin-top: 14px;
}

section h3 {
  font-size: clamp(19px, 2.2vw, 23px);
  margin: 32px 0 12px;
  color: var(--fg);
  font-weight: 700;
  line-height: 1.45;
}

section h4 {
  font-size: 18px;
  margin: 20px 0 10px;
  color: var(--accent-2);
  font-weight: 700;
}

html.dark section h4 {
  color: var(--accent-2);
}

section p {
  margin-bottom: 14px;
  color: var(--fg);
  line-height: 1.85;
}

section p a {
  font-weight: 600;
}

.lead {
  font-size: clamp(16px, 1.7vw, 18px);
  color: var(--muted);
  margin-bottom: 28px;
  line-height: 1.8;
  max-width: 900px;
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease), background 0.4s var(--ease);
  box-shadow: var(--shadow-sm);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--grad-soft);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card:hover::before {
  opacity: 1;
}

.card:hover::after {
  transform: scaleX(1);
}

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

.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

.card h3::after {
  display: none;
}

.card p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 0;
  line-height: 1.75;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  text-align: center;
  padding: 8px 0;
}

.stats > div {
  padding: 28px 16px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
}

.stats > div:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.stat-num {
  display: block;
  font-size: clamp(30px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: 0.5px;
}

.stat-label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Article List ---------- */
.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.article-item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 22px 20px;
  overflow: hidden;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    border-color 0.4s var(--ease);
  box-shadow: var(--shadow-sm);
}

.article-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--grad-accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
}

.article-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.article-item:hover::before {
  transform: scaleY(1);
}

.article-item .meta {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--grad-soft);
  letter-spacing: 0.3px;
}

.article-item h3 {
  font-size: 17px;
  margin: 0 0 10px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fg);
}

.article-item h3::after {
  display: none;
}

.article-item p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.75;
}

.article-item a.more {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s var(--ease), color 0.3s var(--ease);
}

.article-item a.more:hover {
  gap: 10px;
  text-decoration: none;
}

/* ---------- FAQ ---------- */
#faqList {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background 0.3s var(--ease);
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  border-color: var(--accent);
}

.faq-item.open {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  font-family: inherit;
  line-height: 1.6;
  transition: color 0.25s var(--ease);
}

.faq-q:hover {
  color: var(--accent);
}

.faq-q::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  line-height: 1;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.35s var(--ease);
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s var(--ease), padding 0.45s var(--ease);
  padding: 0 22px;
}

.faq-item.open .faq-a {
  max-height: 420px;
  padding-bottom: 20px;
}

.faq-a p {
  font-size: 15px;
  color: var(--muted);
  margin: 0;
  line-height: 1.85;
}

/* ---------- HowTo ---------- */
.howto-step {
  display: flex;
  gap: 18px;
  margin-bottom: 22px;
  align-items: flex-start;
  padding: 20px;
  border-radius: var(--radius-md);
  background: var(--card);
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
  box-shadow: var(--shadow-sm);
}

.howto-step:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(233, 69, 96, 0.35);
  transition: transform 0.35s var(--ease);
}

.howto-step:hover .step-num {
  transform: scale(1.08) rotate(-6deg);
}

.howto-step h4 {
  margin: 0 0 6px;
  color: var(--fg);
  font-size: 17px;
}

.howto-step p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
}

/* ---------- Contact Info ---------- */
.contact-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.contact-info div {
  background: var(--card);
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
  box-shadow: var(--shadow-sm);
}

.contact-info div:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.contact-info strong {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.contact-info span {
  font-size: 15px;
  color: var(--fg);
  font-weight: 500;
  word-break: break-word;
}

/* ---------- Sitemap ---------- */
section ul[style*="columns"] {
  columns: 2;
  column-gap: 40px;
}

section ul[style*="columns"] li {
  margin-bottom: 10px;
  break-inside: avoid;
}

section ul[style*="columns"] a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 15px;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease),
    border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

section ul[style*="columns"] a:hover {
  transform: translateX(4px);
  background: var(--grad-soft);
  border-color: var(--accent);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

/* ---------- Footer ---------- */
footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
  margin-top: 48px;
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-accent);
  opacity: 0.85;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-grid h4 {
  font-size: 16px;
  margin: 0 0 16px;
  color: var(--fg);
  font-weight: 700;
  position: relative;
  padding-bottom: 10px;
}

.footer-grid h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad-accent);
}

.footer-grid ul {
  list-style: none;
}

.footer-grid li {
  margin-bottom: 10px;
}

.footer-grid a {
  color: var(--muted);
  font-size: 14px;
  transition: color 0.25s var(--ease), padding-left 0.25s var(--ease);
  display: inline-block;
}

.footer-grid a:hover {
  color: var(--accent);
  padding-left: 4px;
  text-decoration: none;
}

.footer-grid p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
}

.footer-bottom p {
  margin-bottom: 8px;
}

.footer-bottom p:last-child {
  margin-bottom: 0;
}

/* ---------- Back To Top ---------- */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--grad-accent);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99;
  box-shadow: 0 8px 24px rgba(233, 69, 96, 0.4);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    opacity 0.35s var(--ease);
}

.back-top.show {
  display: flex;
  animation: backTopIn 0.4s var(--ease);
}

.back-top:hover {
  transform: translateY(-5px) scale(1.06);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.55);
}

.back-top:active {
  transform: translateY(-2px) scale(0.98);
}

@keyframes backTopIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.85);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

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

/* ---------- Misc Utilities ---------- */
#article-1,
#article-2,
#article-3,
#article-4,
#article-5,
#article-6,
#article-7,
#article-8,
#article-9,
#article-10 {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ---------- Responsive: Tablet ---------- */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 60px;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--card-glass);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    flex-direction: column;
    padding: 18px 20px 22px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
    box-shadow: var(--shadow-lg);
    animation: navDrop 0.3s var(--ease);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
  }

  .nav-links a::after {
    display: none;
  }

  @keyframes navDrop {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .grid-3,
  .grid-4,
  .grid-2,
  .footer-grid,
  .article-list,
  .contact-info {
    grid-template-columns: 1fr;
  }

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

  .banner {
    height: 380px;
  }

  .slide-content h2 {
    font-size: 28px;
  }

  .slide-content p {
    font-size: 16px;
  }

  .search-box input {
    width: 90px;
  }

  section {
    padding: 52px 0;
  }

  section ul[style*="columns"] {
    columns: 1;
  }

  .footer-grid {
    gap: 28px;
  }
}

/* ---------- Responsive: Mobile ---------- */
@media (max-width: 600px) {
  body {
    font-size: 15px;
  }

  .container {
    padding: 0 16px;
  }

  .nav-actions .search-box {
    display: none;
  }

  .logo {
    font-size: 18px;
  }

  .logo svg {
    width: 30px;
    height: 30px;
  }

  .banner {
    height: 340px;
  }

  .banner-dots {
    bottom: 18px;
    padding: 6px 12px;
  }

  .slide-content {
    padding: 0 8px;
  }

  .slide-content h2 {
    font-size: 24px;
    margin-bottom: 12px;
  }

  .slide-content p {
    font-size: 15px;
  }

  section {
    padding: 44px 0;
  }

  section h2 {
    font-size: 22px;
  }

  section h3 {
    font-size: 18px;
    margin-top: 26px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .stats > div {
    padding: 20px 12px;
  }

  .stat-num {
    font-size: 28px;
  }

  .card {
    padding: 22px 18px;
  }

  .article-item {
    padding: 20px 18px;
  }

  .faq-q {
    padding: 16px 18px;
    font-size: 15px;
  }

  .faq-a {
    padding: 0 18px;
  }

  .faq-item.open .faq-a {
    padding-bottom: 16px;
  }

  .howto-step {
    padding: 16px;
    gap: 14px;
  }

  .step-num {
    width: 38px;
    height: 38px;
    font-size: 16px;
  }

  .contact-info {
    gap: 12px;
  }

  .contact-info div {
    padding: 16px;
  }

  .back-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  footer {
    padding: 40px 0 28px;
  }

  .footer-grid {
    gap: 24px;
  }
}

@media (max-width: 380px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .slide-content h2 {
    font-size: 21px;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Print ---------- */
@media print {
  header.top,
  .banner,
  .back-top,
  footer,
  .nav-actions {
    display: none !important;
  }

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

  .card,
  .article-item,
  .faq-item,
  .howto-step {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

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