:root {
  --color-primary: #F5A623;
  --color-primary-dark: #E8622C;
  --color-primary-deep: #C94F1F;
  --color-accent: #FF7A45;
  --color-bg: #FFFBF4;
  --color-bg-alt: #FFF4E3;
  --color-surface: #FFFFFF;
  --color-surface-glass: rgba(255, 255, 255, 0.72);
  --color-text: #2B2118;
  --color-text-soft: #5C4F42;
  --color-text-muted: #8A7B6B;
  --color-border: rgba(232, 98, 44, 0.16);
  --color-border-strong: rgba(232, 98, 44, 0.32);
  --color-shadow: rgba(201, 79, 31, 0.14);
  --color-shadow-strong: rgba(201, 79, 31, 0.24);
  --gradient-brand: linear-gradient(135deg, #F5A623 0%, #E8622C 55%, #C94F1F 100%);
  --gradient-banner: linear-gradient(120deg, #FFE9C2 0%, #FFD79A 35%, #FFB877 70%, #FF9E6B 100%);
  --gradient-soft: linear-gradient(160deg, rgba(245, 166, 35, 0.14), rgba(232, 98, 44, 0.06));
  --gradient-card: linear-gradient(150deg, rgba(255, 255, 255, 0.95), rgba(255, 247, 230, 0.88));
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  --header-height: 72px;
  --max-width: 1200px;
  --transition-fast: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.36s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  --blur-glass: blur(18px) saturate(160%);
}

body.dark-mode {
  --color-bg: #14100C;
  --color-bg-alt: #1B1611;
  --color-surface: #221B14;
  --color-surface-glass: rgba(34, 27, 20, 0.68);
  --color-text: #F7EFE3;
  --color-text-soft: #D8C9B6;
  --color-text-muted: #A6957F;
  --color-border: rgba(245, 166, 35, 0.18);
  --color-border-strong: rgba(245, 166, 35, 0.36);
  --color-shadow: rgba(0, 0, 0, 0.5);
  --color-shadow-strong: rgba(0, 0, 0, 0.68);
  --gradient-banner: linear-gradient(120deg, #2A1E12 0%, #3A2716 40%, #4A2E17 70%, #5A3418 100%);
  --gradient-soft: linear-gradient(160deg, rgba(245, 166, 35, 0.1), rgba(232, 98, 44, 0.04));
  --gradient-card: linear-gradient(150deg, rgba(44, 34, 24, 0.95), rgba(34, 27, 20, 0.9));
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(245, 166, 35, 0.16), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(232, 98, 44, 0.1), transparent 60%);
  background-attachment: fixed;
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.dark-mode {
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(245, 166, 35, 0.12), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(232, 98, 44, 0.08), transparent 60%);
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

a:hover {
  color: var(--color-primary);
}

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

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

h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 2rem); }
h3 { font-size: clamp(1.1rem, 1.8vw, 1.3rem); }
h4 { font-size: 1rem; color: var(--color-primary-dark); }

p {
  margin: 0 0 1em;
  color: var(--color-text-soft);
}

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

strong {
  color: var(--color-text);
}

time {
  color: var(--color-text-muted);
  font-size: 0.9em;
}

.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;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 12px 22px;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px var(--color-shadow-strong);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
  color: #fff;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition-base), border-color var(--transition-base), background-color var(--transition-base);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 10px 30px -12px var(--color-shadow);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.brand-logo {
  border-radius: 14px;
  box-shadow: 0 6px 18px -6px var(--color-shadow-strong);
  transition: transform var(--transition-base);
}

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

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-size: 1.18rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-primary-dark);
}

.brand-slogan {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.main-nav {
  flex: 1;
  min-width: 0;
}

.main-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}

.nav-link {
  display: inline-block;
  padding: 8px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-soft);
  border-radius: var(--radius-pill);
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 4px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gradient-brand);
  transform: translateX(-50%);
  transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.is-current {
  color: var(--color-primary-dark);
  background: rgba(245, 166, 35, 0.1);
}

.nav-link:hover::after,
.nav-link.is-current::after {
  width: 60%;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.site-search {
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 4px 4px 4px 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.site-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.16);
  background: var(--color-surface);
}

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

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

.site-search button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.site-search button:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 16px -4px var(--color-shadow-strong);
}

.theme-toggle,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text-soft);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover,
.menu-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.theme-icon {
  font-size: 1.1rem;
  line-height: 1;
}

body.dark-mode .theme-icon {
  transform: rotate(180deg);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

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

.breadcrumb a {
  color: var(--color-text-muted);
}

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

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

/* ===== Hero ===== */
.hero {
  position: relative;
  max-width: var(--max-width);
  margin: 20px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  grid-template-areas:
    "slider intro"
    "controls intro";
  gap: 24px 40px;
  align-items: start;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40px -20px auto;
  height: 520px;
  background:
    radial-gradient(600px 300px at 20% 10%, rgba(245, 166, 35, 0.22), transparent 70%),
    radial-gradient(500px 280px at 90% 30%, rgba(232, 98, 44, 0.18), transparent 70%);
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.hero-slider {
  grid-area: slider;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--gradient-banner);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 30px 60px -30px var(--color-shadow-strong), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

body.dark-mode .hero-slider {
  border-color: rgba(245, 166, 35, 0.2);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(245, 166, 35, 0.12);
}

.slide {
  display: none;
  animation: slideFade 0.7s var(--transition-slow) both;
}

.slide.is-active {
  display: block;
}

@keyframes slideFade {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.slide-art {
  width: 100%;
  height: auto;
  display: block;
}

.slide-caption {
  padding: 18px 26px 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.82));
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

body.dark-mode .slide-caption {
  background: linear-gradient(180deg, rgba(20, 16, 12, 0.3), rgba(20, 16, 12, 0.72));
}

.slide-caption h2 {
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  margin-bottom: 0.35em;
}

.slide-caption p {
  font-size: 0.92rem;
  margin: 0;
}

.slider-controls {
  grid-area: controls;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: -8px;
}

.slider-prev,
.slider-next {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  color: var(--color-primary-dark);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.slider-prev:hover,
.slider-next:hover {
  transform: translateY(-2px);
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 10px 22px -8px var(--color-shadow-strong);
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: var(--color-border-strong);
  cursor: pointer;
  transition: width var(--transition-base), background var(--transition-base);
}

.dot.is-active {
  width: 28px;
  background: var(--gradient-brand);
}

.hero-intro {
  grid-area: intro;
  padding: 8px 0 0;
}

.hero-intro h1 {
  margin-bottom: 0.5em;
  background: linear-gradient(120deg, var(--color-text) 30%, var(--color-primary-deep));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.dark-mode .hero-intro h1 {
  background: linear-gradient(120deg, #F7EFE3 30%, #F5A623);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--color-text-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 26px 0 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 30px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base), background-color var(--transition-fast), color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.7s var(--transition-slow);
}

.btn:hover::after {
  transform: translateX(120%);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 14px 30px -12px var(--color-shadow-strong);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -14px var(--color-shadow-strong);
}

.btn-ghost {
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border-color: var(--color-border-strong);
  color: var(--color-primary-dark);
}

.btn-ghost:hover {
  color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -16px var(--color-shadow);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  box-shadow: 0 18px 40px -24px var(--color-shadow);
}

.stat {
  text-align: center;
  padding: 6px 4px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.stat:hover {
  background: rgba(245, 166, 35, 0.1);
  transform: translateY(-2px);
}

.stat dt {
  font-size: 0.74rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin-bottom: 6px;
}

.stat dd {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  white-space: nowrap;
}

.counter {
  font-variant-numeric: tabular-nums;
}

/* ===== Sections ===== */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 24px;
}

.section-alt {
  position: relative;
  max-width: 100%;
  background: var(--gradient-soft);
  border-block: 1px solid var(--color-border);
}

.section-alt > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

.section-header {
  max-width: 820px;
  margin: 0 auto clamp(32px, 4vw, 48px);
  text-align: center;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}

.section-header h2::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 64px;
  height: 4px;
  border-radius: 4px;
  background: var(--gradient-brand);
  transform: translateX(-50%);
}

.section-sub {
  font-size: 0.96rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== Grid & Cards ===== */
.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));
}

.card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  box-shadow: 0 14px 36px -22px var(--color-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-strong);
  box-shadow: 0 26px 54px -26px var(--color-shadow-strong);
}

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

.card h3 {
  margin-bottom: 0.6em;
}

.card h3 a {
  color: inherit;
}

.card h3 a:hover {
  color: var(--color-primary-dark);
}

.card p {
  font-size: 0.94rem;
}

.card ul:not(.timeline):not(.friend-links):not(.howto-steps) {
  display: grid;
  gap: 8px;
  margin: 0.6em 0 0;
}

.card ul:not(.timeline):not(.friend-links):not(.howto-steps) li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.card ul:not(.timeline):not(.friend-links):not(.howto-steps) li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.65em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.18);
}

.product-card h4 {
  margin: 1.1em 0 0.3em;
}

/* Timeline */
.timeline {
  position: relative;
  display: grid;
  gap: 14px;
  margin-top: 0.6em;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-primary), rgba(232, 98, 44, 0.15));
}

.timeline li {
  position: relative;
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 0.55em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 3px solid var(--color-primary);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.12);
  transition: transform var(--transition-fast);
}

.timeline li:hover::before {
  transform: scale(1.25);
}

/* Author box */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-top: 28px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px dashed var(--color-border-strong);
}

.author-avatar {
  flex-shrink: 0;
  border-radius: 50%;
  box-shadow: 0 8px 20px -8px var(--color-shadow-strong);
}

.author-box p {
  font-size: 0.9rem;
  margin-bottom: 0.5em;
}

/* Quote */
.quote-card {
  position: relative;
  margin: 0;
  padding: 32px 30px 26px;
  border-radius: var(--radius-lg);
  background: var(--gradient-card);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  box-shadow: 0 14px 36px -22px var(--color-shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.quote-card::before {
  content: "\201C";
  position: absolute;
  top: -6px;
  left: 18px;
  font-size: 5rem;
  line-height: 1;
  font-family: Georgia, serif;
  color: var(--color-primary);
  opacity: 0.28;
}

.quote-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 48px -24px var(--color-shadow-strong);
}

.quote-card p {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  position: relative;
  z-index: 1;
}

.quote-card footer {
  margin-top: 12px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  text-align: right;
}

/* Meta */
.meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.8em;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.read-more::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.read-more:hover::after {
  transform: translateX(4px);
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  box-shadow: 0 10px 28px -22px var(--color-shadow);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq-item[open] {
  border-color: var(--color-border-strong);
  box-shadow: 0 18px 40px -24px var(--color-shadow-strong);
}

.faq-item summary {
  position: relative;
  padding: 18px 56px 18px 22px;
  font-weight: 600;
  font-size: 0.96rem;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(245, 166, 35, 0.14);
  color: var(--color-primary-dark);
  font-size: 1.2rem;
  font-weight: 700;
  transition: transform var(--transition-base), background var(--transition-base), color var(--transition-base);
}

.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: var(--gradient-brand);
  color: #fff;
}

.faq-item summary:hover {
  background: rgba(245, 166, 35, 0.06);
  color: var(--color-primary-dark);
}

.faq-answer {
  padding: 0 22px 20px;
  animation: faqOpen 0.4s var(--transition-base) both;
}

.faq-answer p {
  font-size: 0.92rem;
  margin: 0;
}

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

/* HowTo steps */
.howto-steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
  margin-top: 0.6em;
}

.howto-steps li {
  position: relative;
  counter-increment: step;
  padding-left: 44px;
  font-size: 0.92rem;
  color: var(--color-text-soft);
}

.howto-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -2px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 6px 14px -6px var(--color-shadow-strong);
}

/* Contact */
.contact-card address {
  font-style: normal;
}

.contact-card address p {
  font-size: 0.92rem;
  margin-bottom: 0.6em;
}

/* Sitemap */
.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 0.6em;
}

.friend-links li {
  font-size: 0.9rem;
}

.friend-links a {
  color: var(--color-text-soft);
  position: relative;
  padding-bottom: 2px;
}

.friend-links a:hover {
  color: var(--color-primary-dark);
}

.friend-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.friend-links a:hover::after {
  width: 100%;
}

/* ===== Footer ===== */
.site-footer {
  margin-top: 40px;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  border-top: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: auto -10% -60% 50%;
  height: 320px;
  background: radial-gradient(closest-side, rgba(245, 166, 35, 0.16), transparent);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand svg {
  border-radius: 12px;
  box-shadow: 0 8px 20px -8px var(--color-shadow-strong);
}

.footer-brand p {
  font-size: 0.92rem;
  max-width: 320px;
  margin: 0;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  align-content: flex-start;
}

.footer-nav a {
  font-size: 0.9rem;
  color: var(--color-text-soft);
  position: relative;
}

.footer-nav a:hover {
  color: var(--color-primary-dark);
}

.footer-meta {
  grid-column: 1 / -1;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.footer-meta p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.4em;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 14px 30px -10px var(--color-shadow-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.9);
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base), box-shadow var(--transition-fast);
}

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

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 20px 40px -12px var(--color-shadow-strong);
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--transition-slow), transform 0.7s var(--transition-slow);
  will-change: opacity, transform;
}

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

/* Lazy svg */
.lazy-pending {
  opacity: 0;
  filter: blur(6px);
  transition: opacity 0.6s ease, filter 0.6s ease;
}

.lazy-loaded {
  opacity: 1;
  filter: blur(0);
}

/* ===== Responsive ===== */
@media (max-width: 1080px) {
  .main-nav ul {
    gap: 0;
  }
  .nav-link {
    padding: 8px 9px;
    font-size: 0.85rem;
  }
  .site-search input {
    width: 130px;
  }
  .hero {
    grid-template-columns: 1fr;
    grid-template-areas:
      "slider"
      "controls"
      "intro";
    gap: 20px;
  }
  .hero-intro {
    padding-top: 4px;
  }
  .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 10px 18px;
    gap: 12px;
    min-height: auto;
  }
  .brand {
    flex: 1;
  }
  .brand-slogan {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .main-nav {
    flex-basis: 100%;
    order: 5;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--transition-slow), opacity var(--transition-base);
  }
  .main-nav.is-open {
    max-height: 520px;
    opacity: 1;
    padding-bottom: 10px;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav-link {
    display: block;
    padding: 12px 16px;
    font-size: 0.94rem;
    border-radius: var(--radius-sm);
  }
  .nav-link::after {
    display: none;
  }
  .site-search {
    order: 6;
  }
  .site-search input {
    width: 100%;
  }
  .header-tools {
    gap: 8px;
  }
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .footer-inner {
    grid-template-columns: 1fr;
    padding: 44px 20px 32px;
  }
  .footer-nav ul {
    gap: 10px 20px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }
  .breadcrumb {
    padding: 12px 18px 0;
  }
  .hero {
    padding: 0 16px;
    margin-top: 14px;
    gap: 16px;
  }
  .section {
    padding: 48px 18px;
  }
  .section-alt > * {
    padding-left: 18px;
    padding-right: 18px;
  }
  .slide-caption {
    padding: 14px 18px 20px;
  }
  .hero-actions {
    gap: 10px;
    margin: 20px 0 24px;
  }
  .btn {
    flex: 1 1 auto;
    padding: 12px 20px;
    font-size: 0.9rem;
  }
  .hero-stats {
    padding: 14px;
    gap: 8px;
  }
  .stat dd {
    font-size: 1rem;
  }
  .author-box {
    flex-direction: column;
    padding: 20px;
  }
  .faq-item summary {
    padding: 15px 48px 15px 16px;
    font-size: 0.92rem;
  }
  .faq-answer {
    padding: 0 16px 16px;
  }
  .back-to-top {
    right: 14px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
  .quote-card {
    padding: 26px 20px 22px;
  }
}

@media (max-width: 400px) {
  .brand-name {
    font-size: 1.04rem;
  }
  .site-search {
    display: none;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
}

@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;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .back-to-top,
  .site-search,
  .theme-toggle,
  .menu-toggle,
  .slider-controls {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .card,
  .faq-item,
  .quote-card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}