:root {
  --color-primary: #E8B33C;
  --color-primary-dark: #C98A1B;
  --color-primary-deep: #8A5A00;
  --color-primary-light: #FFF7E0;
  --color-accent: #FF6F3C;
  --color-accent-2: #7C5CFF;
  --color-bg: #FFFBF2;
  --color-bg-alt: #FFF4DC;
  --color-surface: #FFFFFF;
  --color-surface-glass: rgba(255, 255, 255, 0.68);
  --color-text: #2A2118;
  --color-text-soft: #5C5147;
  --color-text-muted: #8A7F73;
  --color-border: rgba(138, 90, 0, 0.14);
  --color-border-strong: rgba(138, 90, 0, 0.28);
  --shadow-sm: 0 2px 8px rgba(138, 90, 0, 0.08);
  --shadow-md: 0 8px 28px rgba(138, 90, 0, 0.12);
  --shadow-lg: 0 18px 48px rgba(138, 90, 0, 0.16);
  --shadow-glow: 0 0 0 4px rgba(232, 179, 60, 0.18);
  --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", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --container: 1180px;
  --header-h: 72px;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  --gradient-hero: linear-gradient(135deg, #E8B33C 0%, #F5CE6B 32%, #FF6F3C 78%, #7C5CFF 130%);
  --gradient-brand: linear-gradient(120deg, #C98A1B 0%, #E8B33C 55%, #FFB347 100%);
  --gradient-card: linear-gradient(160deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 247, 224, 0.7) 100%);
  --gradient-text: linear-gradient(100deg, #C98A1B 0%, #E8B33C 40%, #FF6F3C 100%);
  color-scheme: light;
}

[data-theme="dark"],
body.dark-mode {
  --color-primary: #F0C05A;
  --color-primary-dark: #E8B33C;
  --color-primary-deep: #FFD98A;
  --color-primary-light: #2A2418;
  --color-accent: #FF8A5C;
  --color-accent-2: #9B85FF;
  --color-bg: #14110C;
  --color-bg-alt: #1B1710;
  --color-surface: #1F1A12;
  --color-surface-glass: rgba(31, 26, 18, 0.66);
  --color-text: #F5EFE3;
  --color-text-soft: #CDC3B4;
  --color-text-muted: #948A7B;
  --color-border: rgba(240, 192, 90, 0.16);
  --color-border-strong: rgba(240, 192, 90, 0.32);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 0 4px rgba(240, 192, 90, 0.2);
  --gradient-hero: linear-gradient(135deg, #3A2E12 0%, #4A3418 35%, #5A2A18 75%, #2A1F4A 130%);
  --gradient-card: linear-gradient(160deg, rgba(44, 36, 22, 0.92) 0%, rgba(31, 26, 18, 0.8) 100%);
  --gradient-text: linear-gradient(100deg, #F0C05A 0%, #FFD98A 45%, #FF8A5C 100%);
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
  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(circle at 12% 0%, rgba(232, 179, 60, 0.14), transparent 42%),
    radial-gradient(circle at 88% 8%, rgba(124, 92, 255, 0.1), transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(255, 111, 60, 0.08), transparent 55%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-base), color var(--transition-base);
}

body > a[href="#main-content"] {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: #2A2118;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: top var(--transition-fast);
}

body > a[href="#main-content"]:focus {
  top: 16px;
  outline: 3px solid var(--color-accent-2);
  outline-offset: 2px;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-family: var(--font-display);
  line-height: 1.3;
  color: var(--color-text);
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(1.75rem, 4.2vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 800;
  position: relative;
  padding-left: 18px;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.18em;
  width: 6px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  box-shadow: 0 0 18px rgba(232, 179, 60, 0.55);
}

h3 {
  font-size: clamp(1.15rem, 2.1vw, 1.4rem);
  font-weight: 700;
  margin-top: 1.6em;
}

h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-deep);
}

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

strong {
  color: var(--color-text);
  font-weight: 700;
  background: linear-gradient(transparent 62%, rgba(232, 179, 60, 0.38) 62%);
  padding: 0 2px;
}

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

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

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

ul, ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
  color: var(--color-text-soft);
}

li {
  margin-bottom: 0.45em;
}

li::marker {
  color: var(--color-primary-dark);
  font-weight: 700;
}

blockquote {
  margin: 1.4em 0;
  padding: 1.1em 1.4em;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  font-style: italic;
  color: var(--color-text-soft);
}

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

time {
  font-size: 0.85em;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

address {
  font-style: normal;
}

/* ============ HEADER ============ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-glass);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(138, 90, 0, 0.06);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

header > div {
  max-width: var(--container);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

header a[aria-label="黄豆魔改短剧大全首页"] {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: transform var(--transition-fast);
}

header a[aria-label="黄豆魔改短剧大全首页"]:hover {
  transform: translateY(-1px);
}

header a[aria-label="黄豆魔改短剧大全首页"] svg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 4px 14px rgba(232, 179, 60, 0.45);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

header a[aria-label="黄豆魔改短剧大全首页"]:hover svg {
  transform: rotate(-8deg) scale(1.06);
  box-shadow: 0 6px 22px rgba(232, 179, 60, 0.65);
}

header nav {
  flex: 1 1 auto;
}

header nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

header nav li {
  margin: 0;
}

header nav a {
  display: inline-block;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-soft);
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

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

header nav a:hover {
  color: var(--color-primary-deep);
  background: rgba(232, 179, 60, 0.12);
  transform: translateY(-1px);
}

header nav a:hover::after {
  width: 60%;
}

header form[role="search"] {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 3px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

header form[role="search"]:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

header form[role="search"] label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

header form[role="search"] input {
  border: none;
  background: transparent;
  padding: 7px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  width: 180px;
  min-width: 0;
  outline: none;
}

header form[role="search"] input::placeholder {
  color: var(--color-text-muted);
}

header form[role="search"] button {
  border: none;
  cursor: pointer;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  color: #2A2118;
  font-weight: 700;
  font-size: 0.88rem;
  font-family: inherit;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

header form[role="search"] button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(232, 179, 60, 0.45);
  filter: brightness(1.05);
}

header form[role="search"] button:active {
  transform: translateY(0) scale(0.97);
}

header > div > button {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

header > div > button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-deep);
  background: rgba(232, 179, 60, 0.12);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

header > div > button[aria-label="打开移动菜单"] {
  display: none;
}

/* ============ MAIN LAYOUT ============ */
main {
  display: block;
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 64px;
}

main > section {
  margin-bottom: 40px;
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

main > section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0.85;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

main > section:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

main > section:nth-child(1) { animation-delay: 0.02s; }
main > section:nth-child(2) { animation-delay: 0.05s; }
main > section:nth-child(3) { animation-delay: 0.08s; }
main > section:nth-child(4) { animation-delay: 0.11s; }
main > section:nth-child(5) { animation-delay: 0.14s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@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;
  }
}

/* ============ HERO ============ */
main > section[aria-labelledby="hero-title"] {
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 255, 255, 0.28), transparent 45%),
    var(--gradient-hero);
  color: #2A2118;
  border: none;
  box-shadow: var(--shadow-lg);
  padding: clamp(32px, 5vw, 60px);
  isolation: isolate;
}

main > section[aria-labelledby="hero-title"]::before {
  display: none;
}

main > section[aria-labelledby="hero-title"]::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 85%, rgba(255, 255, 255, 0.22), transparent 40%),
    radial-gradient(circle at 95% 5%, rgba(124, 92, 255, 0.18), transparent 45%);
  z-index: -1;
  pointer-events: none;
}

main > section[aria-labelledby="hero-title"] h1 {
  background: linear-gradient(100deg, #3A2600 0%, #6B3D00 45%, #4A2A6B 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin-bottom: 0.5em;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.15);
}

main > section[aria-labelledby="hero-title"] p {
  color: #3A2A12;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  max-width: 78ch;
}

main > section[aria-labelledby="hero-title"] strong {
  color: #2A1A00;
  background: linear-gradient(transparent 58%, rgba(255, 255, 255, 0.55) 58%);
}

main > section[aria-labelledby="hero-title"] p:last-of-type {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 1.6em;
}

main > section[aria-labelledby="hero-title"] p:last-of-type a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.95rem;
  color: #2A2118;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 6px 20px rgba(90, 50, 0, 0.18);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

main > section[aria-labelledby="hero-title"] p:last-of-type a:first-child {
  background: #2A2118;
  color: #FFF7E0;
  border-color: transparent;
}

main > section[aria-labelledby="hero-title"] p:last-of-type a:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(90, 50, 0, 0.28);
  background: #FFFFFF;
  color: #2A2118;
}

main > section[aria-labelledby="hero-title"] p:last-of-type a:first-child:hover {
  background: #3A2A12;
  color: #FFF7E0;
}

main > section[aria-labelledby="hero-title"] figure {
  margin: 32px 0 24px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(90, 50, 0, 0.25);
  border: 4px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

main > section[aria-labelledby="hero-title"] figure:hover {
  transform: scale(1.012);
  box-shadow: 0 26px 60px rgba(90, 50, 0, 0.32);
}

main > section[aria-labelledby="hero-title"] figure svg {
  width: 100%;
  height: auto;
  display: block;
}

main > section[aria-labelledby="hero-title"] figcaption {
  padding: 12px 18px;
  font-size: 0.85rem;
  color: #3A2A12;
  text-align: center;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-weight: 600;
}

main > section[aria-labelledby="hero-title"] > div > p:last-child {
  font-size: 0.85rem;
  color: #4A3A22;
  opacity: 0.85;
  border-top: 1px dashed rgba(90, 50, 0, 0.25);
  padding-top: 14px;
  margin-top: 8px;
  margin-bottom: 0;
}

/* ============ BREADCRUMB ============ */
nav[aria-label="面包屑导航"] {
  margin: 0 0 28px;
  padding: 0 4px;
}

nav[aria-label="面包屑导航"] ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 0.86rem;
}

nav[aria-label="面包屑导航"] li {
  margin: 0;
  color: var(--color-text-muted);
  display: inline-flex;
  align-items: center;
}

nav[aria-label="面包屑导航"] li + li::before {
  content: "›";
  margin-right: 8px;
  color: var(--color-primary-dark);
  font-weight: 700;
}

nav[aria-label="面包屑导航"] a {
  color: var(--color-text-soft);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

nav[aria-label="面包屑导航"] a:hover {
  color: var(--color-primary-deep);
  border-color: var(--color-primary);
  background: rgba(232, 179, 60, 0.14);
}

nav[aria-label="面包屑导航"] [aria-current="page"] {
  color: var(--color-primary-deep);
  font-weight: 700;
}

/* ============ BRAND / SECTION CONTENT ============ */
main > section#brand h3,
main > section#concept h3,
main > section#products h3,
main > section#solutions h3,
main > section#cases h3,
main > section#howto h3,
main > section#notice h3,
main > section#contact h3 {
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--color-border-strong);
}

main > section#brand h3::after,
main > section#concept h3::after,
main > section#products h3::after,
main > section#solutions h3::after,
main > section#cases h3::after,
main > section#howto h3::after,
main > section#notice h3::after,
main > section#contact h3::after {
  content: "";
  display: block;
}

main > section#products ul,
main > section#howto ul,
main > section#howto ol {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 12px;
}

main > section#products ul li,
main > section#howto ul li {
  position: relative;
  padding: 14px 18px 14px 46px;
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

main > section#products ul li:hover,
main > section#howto ul li:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

main > section#products ul li::before,
main > section#howto ul li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #2A2118;
  font-size: 0.72rem;
  font-weight: 900;
  box-shadow: 0 3px 10px rgba(232, 179, 60, 0.45);
}

main > section#howto ol {
  counter-reset: step;
}

main > section#howto ol li {
  position: relative;
  counter-increment: step;
  padding: 16px 20px 16px 60px;
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

main > section#howto ol li:hover {
  transform: translateX(4px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

main > section#howto ol li::before {
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #2A2118;
  font-weight: 900;
  font-size: 0.9rem;
  box-shadow: 0 3px 12px rgba(232, 179, 60, 0.5);
}

/* ============ NEWS ============ */
main > section#news ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

main > section#news li {
  position: relative;
  padding: 14px 18px 14px 20px;
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  font-size: 0.95rem;
  color: var(--color-text-soft);
  margin: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

main > section#news li:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}

main > section#news time {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(232, 179, 60, 0.16);
  color: var(--color-primary-deep);
  font-weight: 700;
  font-size: 0.78rem;
}

/* ============ ARTICLES ============ */
main > section#articles {
  display: block;
}

main > section#articles > article {
  margin: 0 0 16px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

main > section#articles > article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--transition-base);
}

main > section#articles > article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

main > section#articles > article:hover::before {
  opacity: 1;
}

main > section#articles > article h3 {
  margin-top: 0;
  margin-bottom: 6px;
  font-size: 1.15rem;
  border: none;
  padding: 0;
}

main > section#articles > article h3::after {
  display: none;
}

main > section#articles > article p {
  font-size: 0.94rem;
  margin-bottom: 0.6em;
}

main > section#articles > article > p:first-of-type {
  margin-bottom: 0.5em;
}

main > section#articles > article > p:first-of-type time {
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(232, 179, 60, 0.14);
  color: var(--color-primary-deep);
  font-weight: 600;
}

main > section#articles > article > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(232, 179, 60, 0.14);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

main > section#articles > article > a::after {
  content: "→";
  transition: transform var(--transition-fast);
}

main > section#articles > article > a:hover {
  background: var(--gradient-brand);
  color: #2A2118;
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(232, 179, 60, 0.4);
  transform: translateY(-2px);
}

main > section#articles > article > a:hover::after {
  transform: translateX(4px);
}

/* ============ FAQ ============ */
main > section#faq details {
  margin-bottom: 12px;
  border-radius: var(--radius-md);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

main > section#faq details:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

main > section#faq details[open] {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}

main > section#faq summary {
  cursor: pointer;
  padding: 16px 52px 16px 20px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  list-style: none;
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
  user-select: none;
}

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

main > section#faq summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(232, 179, 60, 0.18);
  color: var(--color-primary-deep);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1;
  transition: transform var(--transition-base), background var(--transition-fast), color var(--transition-fast);
}

main > section#faq summary:hover {
  color: var(--color-primary-deep);
  background: rgba(232, 179, 60, 0.08);
}

main > section#faq details[open] summary {
  color: var(--color-primary-deep);
  border-bottom: 1px dashed var(--color-border-strong);
}

main > section#faq details[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  background: var(--gradient-brand);
  color: #2A2118;
}

main > section#faq details p {
  padding: 16px 20px;
  margin: 0;
  font-size: 0.95rem;
  animation: faqFade 0.35s ease both;
}

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

/* ============ CONTACT ============ */
main > section#contact address {
  display: grid;
  gap: 10px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin: 0 0 1.4em;
}

main > section#contact address p {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.95rem;
}

main > section#contact address a {
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(232, 179, 60, 0.14);
  transition: all var(--transition-fast);
}

main > section#contact address a:hover {
  background: var(--gradient-brand);
  color: #2A2118;
  box-shadow: 0 4px 14px rgba(232, 179, 60, 0.4);
}

/* ============ SITEMAP & LINKS ============ */
main > section#sitemap ul,
main > section#links ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

main > section#sitemap li,
main > section#links li {
  margin: 0;
}

main > section#sitemap a,
main > section#links a {
  display: inline-block;
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-soft);
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

main > section#sitemap a:hover,
main > section#links a:hover {
  color: #2A2118;
  background: var(--gradient-brand);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(232, 179, 60, 0.4);
}

/* ============ FOOTER ============ */
footer {
  position: relative;
  margin-top: 24px;
  background:
    radial-gradient(circle at 15% 0%, rgba(232, 179, 60, 0.16), transparent 45%),
    radial-gradient(circle at 90% 100%, rgba(124, 92, 255, 0.12), transparent 45%),
    var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 48px 24px 32px;
  transition: background var(--transition-base);
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
}

footer > div {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

footer p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

footer p:first-child {
  font-weight: 700;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}

footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

footer nav li {
  margin: 0;
}

footer nav a {
  font-size: 0.88rem;
  color: var(--color-text-soft);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

footer nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  transition: width var(--transition-base);
}

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

footer nav a:hover::after {
  width: 100%;
}

footer p:last-child {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  opacity: 0.85;
  border-top: 1px dashed var(--color-border-strong);
  padding-top: 14px;
  margin-top: 4px;
}

/* ============ BACK TO TOP ============ */
body > button[aria-label="返回顶部"] {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-glass);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  color: var(--color-primary-deep);
  font-size: 0.72rem;
  font-weight: 800;
  font-family: inherit;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  display: grid;
  place-items: center;
  line-height: 1.15;
  padding: 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-fast), color var(--transition-fast);
}

body > button[aria-label="返回顶部"]::before {
  content: "↑";
  display: block;
  font-size: 1.05rem;
  line-height: 1;
  margin-bottom: 1px;
}

body > button[aria-label="返回顶部"]:hover {
  transform: translateY(-4px) scale(1.06);
  background: var(--gradient-brand);
  color: #2A2118;
  box-shadow: 0 14px 34px rgba(232, 179, 60, 0.5);
}

body > button[aria-label="返回顶部"]:active {
  transform: translateY(-1px) scale(0.98);
}

/* ============ SCROLL ANIMATIONS ============ */
@supports (animation-timeline: view()) {
  main > section:not([aria-labelledby="hero-title"]),
  main > section#articles > article,
  main > section#faq details {
    animation: revealUp linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 32%;
  }

  @keyframes revealUp {
    from {
      opacity: 0;
      transform: translateY(28px) scale(0.985);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  header > div {
    gap: 14px;
  }

  header form[role="search"] input {
    width: 140px;
  }

  header nav a {
    padding: 8px 10px;
    font-size: 0.88rem;
  }
}

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

  header > div {
    flex-wrap: wrap;
    padding: 10px 18px;
    gap: 10px;
  }

  header nav {
    order: 3;
    flex-basis: 100%;
  }

  header nav ul {
    gap: 2px;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  header nav ul::-webkit-scrollbar {
    height: 4px;
  }

  header nav ul::-webkit-scrollbar-thumb {
    background: var(--color-border-strong);
    border-radius: var(--radius-pill);
  }

  header nav a {
    white-space: nowrap;
  }

  header form[role="search"] {
    order: 2;
    margin-left: auto;
  }

  header form[role="search"] input {
    width: 150px;
  }

  main {
    padding: 24px 18px 48px;
  }

  main > section {
    border-radius: var(--radius-lg);
    margin-bottom: 28px;
  }

  main > section[aria-labelledby="hero-title"] {
    border-radius: var(--radius-lg);
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  header > div > button[aria-label="切换暗黑模式"] {
    padding: 8px 12px;
    font-size: 0.82rem;
  }

  header form[role="search"] input {
    width: 110px;
    padding: 7px 10px;
  }

  header form[role="search"] button {
    padding: 7px 12px;
    font-size: 0.82rem;
  }

  main {
    padding: 18px 14px 40px;
  }

  main > section {
    padding: 22px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 22px;
  }

  main > section[aria-labelledby="hero-title"] {
    padding: 26px 18px;
  }

  main > section[aria-labelledby="hero-title"] p:last-of-type {
    flex-direction: column;
    align-items: stretch;
  }

  main > section[aria-labelledby="hero-title"] p:last-of-type a {
    justify-content: center;
  }

  main > section[aria-labelledby="hero-title"] figure {
    margin: 22px 0 18px;
    border-width: 3px;
  }

  h2 {
    padding-left: 14px;
  }

  h2::before {
    width: 5px;
  }

  main > section#articles > article {
    padding: 18px 16px;
  }

  main > section#faq summary {
    padding: 14px 46px 14px 16px;
    font-size: 0.95rem;
  }

  main > section#faq details p {
    padding: 14px 16px;
    font-size: 0.92rem;
  }

  main > section#products ul li,
  main > section#howto ul li {
    padding: 12px 14px 12px 42px;
  }

  main > section#howto ol li {
    padding: 14px 16px 14px 54px;
  }

  main > section#contact address {
    padding: 16px 18px;
  }

  footer {
    padding: 36px 18px 24px;
  }

  body > button[aria-label="返回顶部"] {
    right: 14px;
    bottom: 14px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 480px) {
  header > div {
    padding: 10px 14px;
  }

  header a[aria-label="黄豆魔改短剧大全首页"] span {
    font-size: 0.95rem;
  }

  header form[role="search"] input {
    width: 84px;
  }

  header form[role="search"] input::placeholder {
    color: transparent;
  }

  main > section#sitemap a,
  main > section#links a {
    padding: 8px 14px;
    font-size: 0.85rem;
  }

  footer nav ul {
    gap: 8px 14px;
  }
}

/* ============ PRINT ============ */
@media print {
  header,
  footer nav,
  body > button[aria-label="返回顶部"],
  header form[role="search"],
  header > div > button {
    display: none !important;
  }

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

  main > section {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}
</style>