/* ==========================================================================
   Originals for Netflix · 官网与法律文档
   设计语言：Cinematic Pro（深色影院感）
   色板 / 排版 / 间距对齐 App 内 XFColorPalette / XFTypography / XFMetrics
   ========================================================================== */

:root {
  /* Cinematic Pro 色板 */
  --bg: #131315;
  --surface-lowest: #0e0e10;
  --surface-low: #1b1b1d;
  --surface: #1f1f21;
  --surface-high: #2a2a2c;
  --surface-highest: #353437;

  --on-surface: #e4e2e4;
  --on-surface-variant: rgba(255, 255, 255, 0.7);
  --on-surface-faint: rgba(255, 255, 255, 0.46);

  --primary: #ff2d55;
  --primary-container: #ff5167;
  --on-primary: #680019;
  --secondary: #aac7ff;
  --secondary-container: #3e90ff;
  --tertiary: #e8b3ff;

  --hairline: rgba(255, 255, 255, 0.1);
  --hairline-strong: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(255, 255, 255, 0.1);

  /* 圆角 / 间距（4pt 基线） */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --safe-margin: 24px;

  --font-sans: "DM Sans", "Noto Sans SC", system-ui, -apple-system,
    "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas,
    monospace;

  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.45);
  --glow-primary: 0 0 60px rgba(255, 45, 85, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--on-surface);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  /* 影院暗角 */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    ellipse 90% 70% at 50% -10%,
    rgba(255, 45, 85, 0.08),
    transparent 60%
  );
}

a {
  color: var(--secondary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--glass);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 1px 6px;
  color: var(--secondary);
}

/* ── Header ────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(19, 19, 21, 0.72);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--hairline);
}

.site-header__inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 12px var(--safe-margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--on-surface);
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.brand:hover {
  text-decoration: none;
}

.brand__mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--primary), #b3002b);
  box-shadow: 0 6px 20px rgba(255, 45, 85, 0.35);
  flex: none;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.brand__sub {
  opacity: 0.42;
  font-weight: 600;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  align-items: center;
  justify-content: flex-end;
}

.nav a {
  color: var(--on-surface-variant);
  font-weight: 600;
  font-size: 0.86rem;
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav a:hover {
  color: var(--on-surface);
  text-decoration: none;
}

.nav a.is-active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: clamp(56px, 10vw, 104px) var(--safe-margin) 88px;
  background: linear-gradient(
    155deg,
    var(--surface-lowest) 0%,
    var(--bg) 45%,
    #1a1013 78%,
    #2a0f18 100%
  );
}

.hero__mesh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
      ellipse 60% 50% at 82% 8%,
      rgba(255, 45, 85, 0.3),
      transparent 58%
    ),
    radial-gradient(
      ellipse 45% 40% at 6% 88%,
      rgba(62, 144, 255, 0.16),
      transparent 55%
    ),
    radial-gradient(
      ellipse 40% 35% at 55% 110%,
      rgba(232, 179, 255, 0.1),
      transparent 50%
    );
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.5;
  animation: float 16s ease-in-out infinite;
}

.hero__orb--1 {
  width: 320px;
  height: 320px;
  background: rgba(255, 45, 85, 0.4);
  top: -110px;
  right: -60px;
}

.hero__orb--2 {
  width: 220px;
  height: 220px;
  background: rgba(62, 144, 255, 0.28);
  bottom: -80px;
  left: 8%;
  animation-delay: -6s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-14px, 18px) scale(1.06);
  }
}

.hero__inner {
  max-width: 1160px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
  align-items: center;
  gap: 44px;
}

.hero__inner > * {
  min-width: 0;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 18px;
}

.hero__kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 14px rgba(255, 45, 85, 0.9);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2.3rem, 5.6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.hero h1 .accent {
  background: linear-gradient(120deg, var(--primary), #ff7a94);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  margin: 0;
  font-size: 1.1rem;
  color: var(--on-surface-variant);
  max-width: 540px;
  font-weight: 500;
  line-height: 1.7;
}

.hero__tags {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 5px 12px;
  background: var(--glass);
}

.tag--primary {
  color: var(--primary);
  border-color: rgba(255, 45, 85, 0.4);
  background: rgba(255, 45, 85, 0.1);
}

.hero__actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s;
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), #e00033);
  color: #fff;
  box-shadow: 0 10px 30px rgba(255, 45, 85, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(255, 45, 85, 0.45);
}

.btn--ghost {
  background: var(--glass);
  color: var(--on-surface);
  border-color: var(--hairline-strong);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: var(--glass-strong);
}

/* ── Banner ────────────────────────────────────────────────────────────── */
.banner {
  max-width: 1160px;
  margin: -34px auto 12px;
  padding: 0 var(--safe-margin);
  position: relative;
  z-index: 2;
}

.banner__inner {
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.1), rgba(62, 144, 255, 0.06));
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-xl);
  padding: 24px 28px;
  backdrop-filter: blur(10px);
  color: var(--on-surface-variant);
  font-size: 0.94rem;
  line-height: 1.75;
}

.banner__inner strong {
  color: var(--on-surface);
}

/* 强调块 */
.callout {
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.14), rgba(255, 45, 85, 0.05));
  border: 1px solid rgba(255, 45, 85, 0.32);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  margin: 0 0 28px;
  color: var(--on-surface);
  line-height: 1.85;
}

.callout strong {
  color: #fff;
}

.callout--plain {
  background: var(--surface-low);
  border-color: var(--hairline-strong);
}

/* ── Sections ──────────────────────────────────────────────────────────── */
.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: 60px var(--safe-margin);
  position: relative;
  z-index: 1;
}

.section--tight {
  padding-top: 34px;
}

.section__kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 10px;
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--on-surface);
  margin: 0 0 12px;
}

.section__lead {
  margin: 0 0 38px;
  color: var(--on-surface-variant);
  font-size: 1.02rem;
  max-width: 720px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 26px;
  border: 1px solid var(--hairline);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent, var(--primary));
  opacity: 0.9;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
  box-shadow: var(--shadow-card);
}

.card--discover {
  --card-accent: var(--primary);
}
.card--originals {
  --card-accent: #ff7a94;
}
.card--create {
  --card-accent: var(--secondary-container);
}
.card--ai {
  --card-accent: var(--tertiary);
}
.card--detail {
  --card-accent: var(--secondary);
}
.card--library {
  --card-accent: #7dd3a0;
}

.card__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--on-surface-faint);
  margin-bottom: 14px;
}

.card__icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--glass-strong);
  color: var(--card-accent, var(--primary));
  border: 1px solid var(--hairline);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--on-surface);
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  font-size: 0.93rem;
  color: var(--on-surface-variant);
  line-height: 1.68;
}

.card ul {
  margin: 12px 0 0;
  padding-left: 1.05rem;
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

.card li {
  margin-bottom: 5px;
}

/* 设计语言 / 数据来源 双栏 */
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.panel {
  background: var(--surface-low);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.panel h3 {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--on-surface);
}

.panel p {
  margin: 0 0 10px;
  color: var(--on-surface-variant);
  font-size: 0.93rem;
}

.panel ul {
  margin: 4px 0 0;
  padding-left: 1.15rem;
}

.panel li {
  color: var(--on-surface-variant);
  font-size: 0.93rem;
  margin-bottom: 8px;
}

.source-logos {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.source-logos img {
  height: 26px;
  width: auto;
  opacity: 0.92;
}

.source-logos .credit {
  font-size: 0.82rem;
  color: var(--on-surface-faint);
}

/* ── Hero screenshots ──────────────────────────────────────────────────── */
.hero__shots {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  z-index: 1;
}

.hero__shots::before {
  content: "";
  position: absolute;
  inset: -16% -12%;
  background: radial-gradient(
    50% 46% at 50% 52%,
    rgba(255, 45, 85, 0.34),
    transparent 70%
  );
  filter: blur(30px);
  z-index: -1;
  pointer-events: none;
}

.hero__shots::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: -3%;
  height: 34px;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.55),
    transparent 72%
  );
  filter: blur(10px);
  z-index: -1;
  pointer-events: none;
}

.hero__shot {
  display: block;
  width: clamp(150px, 17vw, 258px);
  height: auto;
  border-radius: 32px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.07),
    0 36px 60px rgba(0, 0, 0, 0.72);
}

.shots-note {
  margin-top: 26px;
  font-size: 0.82rem;
  color: var(--on-surface-faint);
  max-width: 860px;
  line-height: 1.7;
}

/* ── Legal ─────────────────────────────────────────────────────────────── */
.legal-hero {
  background: linear-gradient(160deg, var(--surface-lowest), #1a1013 70%, #2a0f18);
  border-bottom: 1px solid var(--hairline);
  color: #fff;
  padding: 56px var(--safe-margin) 48px;
  text-align: center;
}

.legal-hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0 0 12px;
}

.legal-hero h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
}

.legal-hero p {
  margin: 12px auto 0;
  max-width: 560px;
  color: var(--on-surface-variant);
  font-size: 0.96rem;
}

.legal {
  max-width: 880px;
  margin: 0 auto;
  padding: 44px var(--safe-margin) 88px;
}

.legal__meta {
  font-size: 0.85rem;
  color: var(--on-surface-faint);
  margin-bottom: 30px;
  padding: 16px 20px;
  background: var(--surface-low);
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline);
  line-height: 1.7;
}

.legal h2 {
  font-size: 1.14rem;
  font-weight: 800;
  color: var(--on-surface);
  margin: 38px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  letter-spacing: -0.01em;
}

.legal h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--on-surface);
  margin: 24px 0 10px;
}

.legal p,
.legal li {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
}

.legal strong {
  color: var(--on-surface);
}

.legal ul {
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 8px;
}

.legal .note {
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.14), rgba(255, 45, 85, 0.05));
  border: 1px solid rgba(255, 45, 85, 0.3);
  border-radius: var(--radius-lg);
  padding: 18px 22px;
  color: var(--on-surface);
  font-weight: 500;
  line-height: 1.8;
}

.legal .highlight {
  background: var(--surface-low);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin: 20px 0;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
}

.legal th,
.legal td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--hairline);
  color: var(--on-surface-variant);
  vertical-align: top;
}

.legal th {
  color: var(--on-surface);
  font-weight: 700;
  background: var(--surface-low);
}

/* ── Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--surface-lowest);
  border-top: 1px solid var(--hairline);
  color: var(--on-surface-faint);
  padding: 48px var(--safe-margin);
  font-size: 0.87rem;
  position: relative;
  z-index: 1;
}

.site-footer__inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
}

.site-footer strong {
  color: var(--on-surface);
}

.site-footer a {
  color: var(--on-surface-variant);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-content: flex-start;
}

.footer-links a {
  font-weight: 600;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

.footer-note {
  display: block;
  margin-top: 10px;
  font-size: 0.8rem;
  opacity: 0.72;
  max-width: 620px;
  line-height: 1.7;
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__shots {
    justify-content: flex-start;
  }

  .hero__shot {
    width: clamp(118px, 33vw, 190px);
    border-radius: 24px;
  }
}

@media (max-width: 640px) {
  :root {
    --safe-margin: 18px;
  }

  .nav {
    gap: 2px 14px;
  }

  .nav a {
    font-size: 0.8rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .brand__sub {
    display: none;
  }
}