/* =========================================================
   黑料社官网 · 设计系统
   主题：暗夜霓虹 · 料镜观察
   ========================================================= */

/* ---------- 字体导入 ---------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Noto+Serif+SC:wght@500;700;900&family=Outfit:wght@300;400;500;600;700;800&family=ZCOOL+KuaiLe&display=swap');

/* ---------- 设计 Token ---------- */
:root {
  /* 背景色阶 */
  --bg-900: #08060f;
  --bg-800: #0d0a18;
  --bg-700: #141024;
  --bg-600: #1c1636;
  --bg-glass: rgba(20, 16, 36, 0.55);
  --bg-glass-2: rgba(28, 22, 54, 0.4);

  /* 文字色阶 */
  --text-100: #F7F4FF;
  --text-200: #D4CCE8;
  --text-300: #9B92B8;
  --text-400: #6B6285;

  /* 强调色 */
  --neon-pink: #FF3D7F;
  --neon-pink-soft: #FF6B9D;
  --neon-cyan: #2EE6D6;
  --neon-cyan-soft: #5FF5E4;
  --neon-purple: #A855F7;
  --neon-yellow: #FFD84D;
  --neon-orange: #FF7849;

  /* 渐变 */
  --grad-brand: linear-gradient(135deg, #FF3D7F 0%, #A855F7 50%, #7C3AED 100%);
  --grad-brand-soft: linear-gradient(135deg, rgba(255,61,127,.15) 0%, rgba(168,85,247,.15) 100%);
  --grad-cyan: linear-gradient(135deg, #2EE6D6 0%, #06B6D4 100%);
  --grad-text: linear-gradient(120deg, #FF6B9D 0%, #FF3D7F 30%, #A855F7 70%, #2EE6D6 100%);
  --grad-hero-glow: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(255,61,127,.22) 0%, rgba(168,85,247,.12) 35%, transparent 70%);

  /* 阴影 */
  --shadow-glow-pink: 0 0 40px rgba(255,61,127,.35), 0 0 80px rgba(255,61,127,.15);
  --shadow-glow-cyan: 0 0 40px rgba(46,230,214,.3), 0 0 80px rgba(46,230,214,.12);
  --shadow-card: 0 8px 32px rgba(0,0,0,.4), 0 2px 8px rgba(0,0,0,.3);
  --shadow-card-hover: 0 16px 48px rgba(255,61,127,.18), 0 4px 16px rgba(0,0,0,.4);

  /* 圆角 */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-full: 999px;

  /* 间距 */
  --space-section: clamp(64px, 9vw, 120px);
  --container: 1240px;

  /* 字体 */
  --font-display: 'Noto Serif SC', 'Outfit', serif;
  --font-body: 'Noto Sans SC', 'Outfit', sans-serif;
  --font-num: 'Outfit', sans-serif;
  --font-cute: 'ZCOOL KuaiLe', cursive;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg-900);
  color: var(--text-200);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 噪点纹理叠层 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: .025;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

/* 全局背景光晕 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,61,127,.06) 0%, transparent 40%),
    radial-gradient(circle at 88% 75%, rgba(46,230,214,.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

/* ---------- 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.section { padding: var(--space-section) 0; position: relative; z-index: 2; }

/* 章节标题 */
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  padding: 6px 16px;
  border: 1px solid rgba(46,230,214,.25);
  border-radius: var(--r-full);
  background: rgba(46,230,214,.06);
  margin-bottom: 20px;
}
.sec-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--neon-cyan);
}
.sec-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 900;
  color: var(--text-100);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.sec-title .grad {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-sub {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--text-300);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 顶部导航 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: all .35s cubic-bezier(.4,0,.2,1);
}
.navbar.scrolled {
  background: rgba(8,6,15,.82);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 12px 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-100);
}
.logo-mark {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: var(--grad-brand);
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: var(--shadow-glow-pink);
  position: relative;
  overflow: hidden;
}
.logo-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.4) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}
@keyframes shimmer { 0%,100% { transform: translateX(-100%); } 50% { transform: translateX(100%); } }
.logo .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-300);
  border-radius: var(--r-full);
  transition: all .25s;
  position: relative;
}
.nav-links a:hover { color: var(--text-100); background: rgba(255,255,255,.05); }
.nav-links a.active { color: var(--neon-pink); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--neon-pink);
  box-shadow: 0 0 8px var(--neon-pink);
}

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

/* 汉堡菜单按钮 */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 11px; right: 11px;
  height: 2px;
  background: var(--text-100);
  border-radius: 2px;
  transition: all .3s;
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle.open span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: .98rem;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: var(--r-full);
  transition: all .3s cubic-bezier(.4,0,.2,1);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 6px 24px rgba(255,61,127,.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(255,61,127,.55);
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.3) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform .6s;
}
.btn-primary:hover::after { transform: translateX(100%); }

.btn-ghost {
  background: rgba(255,255,255,.06);
  color: var(--text-100);
  border: 1px solid rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.2);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--grad-cyan);
  color: #062b2a;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(46,230,214,.35);
}
.btn-cyan:hover { transform: translateY(-2px); box-shadow: 0 10px 36px rgba(46,230,214,.5); }

.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* ---------- 玻璃卡片 ---------- */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  transition: all .4s cubic-bezier(.4,0,.2,1);
}
.glass:hover {
  border-color: rgba(255,61,127,.25);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(180deg, transparent 0%, var(--bg-800) 30%, var(--bg-900) 100%);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 64px 0 32px;
  position: relative;
  z-index: 2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-300); font-size: .92rem; max-width: 320px; }
.footer-col h4 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 18px;
  letter-spacing: .02em;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: var(--text-300);
  font-size: .9rem;
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--neon-pink-soft); }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  display: grid;
  place-items: center;
  transition: all .25s;
}
.footer-social a:hover { background: var(--grad-brand); border-color: transparent; transform: translateY(-2px); }
.footer-social a svg { width: 18px; height: 18px; }
.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { color: var(--text-400); font-size: .85rem; }
.footer-bottom .links { display: flex; gap: 20px; }
.footer-bottom .links a { color: var(--text-400); font-size: .85rem; transition: color .2s; }
.footer-bottom .links a:hover { color: var(--text-100); }

/* ---------- 动画工具类 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-900); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--neon-pink), var(--neon-purple)); border-radius: 10px; border: 2px solid var(--bg-900); }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(var(--neon-pink-soft), var(--neon-purple)); }

/* 选区 */
::selection { background: var(--neon-pink); color: #fff; }

/* =========================================================
   首页专属
   ========================================================= */

/* Hero */
.hero {
  position: relative;
  padding: 150px 0 100px;
  overflow: hidden;
  z-index: 2;
}
.hero-bg-glow {
  position: absolute;
  inset: 0;
  background: var(--grad-hero-glow);
  z-index: -1;
  pointer-events: none;
}
.hero-grid-deco {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,61,127,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,61,127,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000 0%, transparent 75%);
  z-index: -1;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 8px;
  background: rgba(255,61,127,.1);
  border: 1px solid rgba(255,61,127,.25);
  border-radius: var(--r-full);
  font-size: .85rem;
  color: var(--neon-pink-soft);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.hero-badge .tag {
  background: var(--neon-pink);
  color: #fff;
  padding: 3px 10px;
  border-radius: var(--r-full);
  font-size: .72rem;
  font-weight: 700;
  font-family: var(--font-num);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--text-100);
}
.hero-title .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-title .cute { font-family: var(--font-cute); display: block; font-size: .55em; color: var(--neon-cyan); margin-top: 8px; letter-spacing: .02em; }
.hero-desc {
  margin-top: 24px;
  font-size: 1.1rem;
  color: var(--text-300);
  max-width: 520px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero-stat .num {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stat .label { font-size: .85rem; color: var(--text-400); margin-top: 4px; }

/* Hero 视觉 - 手机mockup + 浮动卡片 */
.hero-visual { position: relative; height: 480px; display: flex; align-items: center; justify-content: center; }
.phone-mockup {
  width: 240px;
  height: 480px;
  background: linear-gradient(145deg, #1c1636, #0d0a18);
  border-radius: 36px;
  border: 3px solid rgba(255,255,255,.1);
  padding: 14px 10px;
  box-shadow: 0 30px 80px rgba(0,0,0,.6), var(--shadow-glow-pink);
  position: relative;
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.phone-screen {
  width: 100%; height: 100%;
  background: linear-gradient(180deg, rgba(255,61,127,.12), rgba(168,85,247,.08));
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.phone-notch {
  width: 80px; height: 22px;
  background: #000;
  border-radius: 0 0 14px 14px;
  margin: 0 auto;
}
.phone-content { padding: 16px 12px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.phone-search {
  height: 32px;
  background: rgba(255,255,255,.08);
  border-radius: 10px;
  display: flex; align-items: center; padding: 0 10px;
  font-size: .7rem; color: var(--text-300);
}
.phone-cats { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.phone-cat { padding: 4px 10px; background: rgba(255,61,127,.2); border-radius: 8px; font-size: .62rem; color: var(--neon-pink-soft); }
.phone-feed { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.phone-feed-item { height: 70px; border-radius: 10px; background: linear-gradient(135deg, rgba(255,61,127,.2), rgba(168,85,247,.15)); display: flex; align-items: flex-end; padding: 8px; font-size: .58rem; color: var(--text-200); }
.phone-feed-item:nth-child(odd) { background: linear-gradient(135deg, rgba(46,230,214,.18), rgba(108,99,255,.12)); }

/* 浮动装饰卡 */
.float-card {
  position: absolute;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px;
  padding: 14px 18px;
  box-shadow: var(--shadow-card);
  display: flex; align-items: center; gap: 12px;
  z-index: 3;
}
.float-card .ico {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.float-card .ico.pink { background: rgba(255,61,127,.15); color: var(--neon-pink); }
.float-card .ico.cyan { background: rgba(46,230,214,.15); color: var(--neon-cyan); }
.float-card .txt .t { font-size: .85rem; font-weight: 700; color: var(--text-100); }
.float-card .txt .s { font-size: .72rem; color: var(--text-300); }
.float-card.fc1 { top: 30px; left: -10px; animation: float 5s ease-in-out infinite; }
.float-card.fc2 { bottom: 50px; right: -10px; animation: float 5s ease-in-out infinite .8s; }
.float-card.fc3 { bottom: 10px; left: 20px; animation: float 5s ease-in-out infinite 1.6s; }

/* 功能入口区 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 36px 30px;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-ico {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: grid; place-items: center;
  margin-bottom: 22px;
  font-size: 1.6rem;
}
.feature-card:nth-child(1) .feature-ico { background: rgba(255,61,127,.15); color: var(--neon-pink); }
.feature-card:nth-child(2) .feature-ico { background: rgba(46,230,214,.15); color: var(--neon-cyan); }
.feature-card:nth-child(3) .feature-ico { background: rgba(168,85,247,.15); color: var(--neon-purple); }
.feature-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--text-100); margin-bottom: 10px; }
.feature-card p { color: var(--text-300); font-size: .92rem; }
.feature-card .arrow { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; color: var(--neon-pink); font-size: .85rem; font-weight: 600; transition: gap .25s; }
.feature-card:hover .arrow { gap: 12px; }

/* 内容分类卡片 */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  padding: 28px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cat-card .ico {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 18px;
  display: grid; place-items: center;
  font-size: 1.8rem;
  transition: transform .4s;
}
.cat-card:hover .ico { transform: scale(1.1) rotate(-6deg); }
.cat-card h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-100); margin-bottom: 6px; }
.cat-card p { font-size: .82rem; color: var(--text-300); }
.cat-card .count {
  margin-top: 12px;
  font-family: var(--font-num);
  font-size: .78rem;
  color: var(--text-400);
}

/* 热门内容卡片 */
.trending-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 20px;
}
.trend-card {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 200px;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  color: #fff;
  transition: transform .4s;
}
.trend-card:hover { transform: translateY(-6px); }
.trend-card .bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  transition: transform .5s;
}
.trend-card:hover .bg { transform: scale(1.08); }
.trend-card .content { position: relative; z-index: 2; }
.trend-card .tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--r-full);
  font-size: .72rem;
  font-weight: 700;
  background: rgba(255,255,255,.2);
  backdrop-filter: blur(8px);
  margin-bottom: 10px;
}
.trend-card h3 { font-size: 1.15rem; font-weight: 700; line-height: 1.35; text-shadow: 0 2px 12px rgba(0,0,0,.6); }
.trend-card .meta { font-size: .78rem; opacity: .85; margin-top: 8px; display: flex; gap: 12px; }
.trend-card.big { grid-row: span 2; min-height: 420px; }
.trend-card.big h3 { font-size: 1.6rem; }
.trend-card .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(8,6,15,.85) 100%); z-index: 1; }
.trend-card.t1 .bg { background: linear-gradient(135deg, #FF3D7F, #A855F7); }
.trend-card.t2 .bg { background: linear-gradient(135deg, #2EE6D6, #06B6D4); }
.trend-card.t3 .bg { background: linear-gradient(135deg, #A855F7, #7C3AED); }
.trend-card.t4 .bg { background: linear-gradient(135deg, #FF7849, #FF3D7F); }
.trend-card.t5 .bg { background: linear-gradient(135deg, #7C3AED, #2EE6D6); }

/* 下载引导区 */
.download-cta {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,61,127,.15);
  border-radius: var(--r-xl);
  padding: 56px;
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.download-cta::before {
  content: '';
  position: absolute;
  top: -50%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,61,127,.18), transparent 70%);
  pointer-events: none;
}
.download-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  color: var(--text-100);
  line-height: 1.25;
}
.download-cta h2 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.download-cta p { color: var(--text-300); margin-top: 14px; font-size: 1rem; }
.download-cta .dl-buttons { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; position: relative; z-index: 2; }
.dl-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 22px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  transition: all .3s;
}
.dl-option:hover { background: rgba(255,61,127,.1); border-color: rgba(255,61,127,.3); transform: translateX(4px); }
.dl-option .store-ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; flex-shrink: 0; }
.dl-option .info .t { font-weight: 700; color: var(--text-100); font-size: .95rem; }
.dl-option .info .s { font-size: .78rem; color: var(--text-400); }

/* =========================================================
   在线观看页
   ========================================================= */
.page-hero {
  position: relative;
  padding: 130px 0 60px;
  z-index: 2;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 20% 0%, rgba(46,230,214,.12), transparent 60%);
  z-index: -1;
}
.page-hero-inner { display: flex; align-items: center; gap: 32px; }
.page-hero .title-block { flex: 1; }
.page-hero .crumb { font-size: .85rem; color: var(--text-400); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.page-hero .crumb a:hover { color: var(--neon-pink); }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--text-100);
  line-height: 1.2;
}
.page-hero h1 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--text-300); margin-top: 14px; font-size: 1rem; max-width: 500px; }

/* 视频播放器区 */
.player-section {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 28px;
  align-items: start;
}
.player-main { position: relative; }
.video-player {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #141024, #0d0a18);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.video-player .bg-blur {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,61,127,.25), rgba(168,85,247,.2), rgba(46,230,214,.15));
  filter: blur(40px);
  transform: scale(1.2);
}
.video-player .play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 88px; height: 88px;
  border-radius: 50%;
  background: rgba(255,61,127,.9);
  backdrop-filter: blur(10px);
  display: grid; place-items: center;
  box-shadow: 0 0 40px rgba(255,61,127,.5);
  transition: all .3s;
  z-index: 2;
}
.video-player .play-btn:hover { transform: translate(-50%,-50%) scale(1.1); }
.video-player .play-btn::after {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid rgba(255,61,127,.4);
  animation: pulse-ring 2s infinite;
}
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(1.4); opacity: 0; } }
.video-player .play-btn svg { width: 32px; height: 32px; color: #fff; margin-left: 4px; }
.video-player .player-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px;
  background: linear-gradient(0deg, rgba(8,6,15,.9), transparent);
  z-index: 2;
}
.video-player .player-info h2 { font-size: 1.3rem; font-weight: 700; color: #fff; }
.video-player .player-info .vmeta { font-size: .82rem; color: var(--text-300); margin-top: 6px; display: flex; gap: 16px; }

.video-actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; padding: 0 4px; }
.video-actions .vbtn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  font-size: .85rem;
  color: var(--text-200);
  transition: all .25s;
}
.video-actions .vbtn:hover { background: rgba(255,61,127,.1); border-color: rgba(255,61,127,.25); color: var(--neon-pink-soft); }
.video-actions .vbtn.liked { color: var(--neon-pink); border-color: rgba(255,61,127,.3); }
.video-actions .spacer { flex: 1; }

.video-desc {
  margin-top: 20px;
  padding: 20px 24px;
  background: rgba(255,255,255,.03);
  border-radius: var(--r-md);
  border: 1px solid rgba(255,255,255,.06);
}
.video-desc h4 { font-size: .95rem; font-weight: 700; color: var(--text-100); margin-bottom: 8px; }
.video-desc p { font-size: .88rem; color: var(--text-300); line-height: 1.7; }

/* 侧边栏 - 播放列表 */
.playlist-sidebar { position: sticky; top: 90px; }
.playlist-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.playlist-head h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-100); }
.playlist-head .cnt { font-family: var(--font-num); font-size: .8rem; color: var(--neon-cyan); }
.playlist-item {
  display: flex;
  gap: 12px;
  padding: 10px;
  border-radius: var(--r-md);
  transition: all .25s;
  cursor: pointer;
}
.playlist-item:hover { background: rgba(255,255,255,.05); }
.playlist-item.active { background: rgba(255,61,127,.1); }
.playlist-item.active .thumb { border-color: var(--neon-pink); }
.playlist-item .thumb {
  width: 120px; height: 70px;
  border-radius: 10px;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color .25s;
}
.playlist-item .thumb .play-mini {
  position: absolute;
  inset: 0;
  display: grid; place-items: center;
  background: rgba(0,0,0,.3);
}
.playlist-item .thumb .dur {
  position: absolute;
  bottom: 4px; right: 4px;
  font-family: var(--font-num);
  font-size: .68rem;
  background: rgba(0,0,0,.7);
  padding: 2px 6px;
  border-radius: 4px;
}
.playlist-item .info { flex: 1; min-width: 0; }
.playlist-item .info .t { font-size: .82rem; font-weight: 600; color: var(--text-100); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.playlist-item .info .v { font-size: .72rem; color: var(--text-400); margin-top: 4px; }

/* 短视频网格 */
.short-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.short-card {
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 9/16;
  cursor: pointer;
  transition: transform .35s;
}
.short-card:hover { transform: translateY(-6px); }
.short-card .bg { position: absolute; inset: 0; transition: transform .5s; }
.short-card:hover .bg { transform: scale(1.06); }
.short-card .overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(8,6,15,.9)); }
.short-card .info { position: absolute; bottom: 12px; left: 12px; right: 12px; z-index: 2; }
.short-card .info .t { font-size: .82rem; font-weight: 600; color: #fff; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.short-card .info .v { font-size: .72rem; color: rgba(255,255,255,.7); margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.short-card .badge { position: absolute; top: 10px; left: 10px; padding: 3px 8px; border-radius: 6px; font-size: .65rem; font-weight: 700; background: rgba(255,61,127,.9); z-index: 2; }

/* =========================================================
   下载页
   ========================================================= */
.dl-hero {
  position: relative;
  padding: 140px 0 80px;
  z-index: 2;
  overflow: hidden;
}
.dl-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 20%, rgba(255,61,127,.18), transparent 65%);
  z-index: -1;
}
.dl-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.dl-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--text-100);
  line-height: 1.2;
}
.dl-hero h1 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.dl-hero p { color: var(--text-300); font-size: 1.05rem; margin-top: 20px; max-width: 480px; line-height: 1.8; }
.dl-hero .stats-row { display: flex; gap: 32px; margin-top: 36px; }
.dl-hero .stat .n { font-family: var(--font-num); font-size: 1.6rem; font-weight: 800; color: var(--neon-cyan); }
.dl-hero .stat .l { font-size: .8rem; color: var(--text-400); }

/* 下载卡片网格 */
.dl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.dl-card {
  padding: 36px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.dl-card .plat-ico {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  border-radius: 20px;
  display: grid; place-items: center;
  font-size: 2rem;
  transition: transform .4s;
}
.dl-card:hover .plat-ico { transform: scale(1.1); }
.dl-card:nth-child(1) .plat-ico { background: rgba(255,61,127,.15); color: var(--neon-pink); box-shadow: var(--shadow-glow-pink); }
.dl-card:nth-child(2) .plat-ico { background: rgba(46,230,214,.15); color: var(--neon-cyan); box-shadow: var(--shadow-glow-cyan); }
.dl-card:nth-child(3) .plat-ico { background: rgba(168,85,247,.15); color: var(--neon-purple); }
.dl-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-100); margin-bottom: 6px; }
.dl-card .ver { font-family: var(--font-num); font-size: .8rem; color: var(--text-400); margin-bottom: 18px; }
.dl-card .dl-btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--r-full); background: var(--grad-brand); color: #fff; font-weight: 600; font-size: .92rem; box-shadow: 0 6px 20px rgba(255,61,127,.35); transition: all .3s; }
.dl-card:nth-child(2) .dl-btn { background: var(--grad-cyan); color: #062b2a; box-shadow: 0 6px 20px rgba(46,230,214,.35); }
.dl-card:nth-child(3) .dl-btn { background: linear-gradient(135deg, #A855F7, #7C3AED); box-shadow: 0 6px 20px rgba(168,85,247,.35); }
.dl-card .dl-btn:hover { transform: translateY(-2px); }

/* 功能亮点 */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.highlight-item {
  display: flex;
  gap: 16px;
  padding: 24px;
  align-items: flex-start;
}
.highlight-item .num {
  font-family: var(--font-num);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  flex-shrink: 0;
  line-height: 1;
}
.highlight-item h4 { font-size: 1rem; font-weight: 700; color: var(--text-100); margin-bottom: 6px; }
.highlight-item p { font-size: .88rem; color: var(--text-300); }

/* =========================================================
   内容页（料镜观察）
   ========================================================= */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
  padding: 16px;
  background: rgba(255,255,255,.03);
  border-radius: var(--r-md);
  border: 1px solid rgba(255,255,255,.06);
}
.filter-bar button {
  padding: 8px 18px;
  border-radius: var(--r-full);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-300);
  background: transparent;
  transition: all .25s;
}
.filter-bar button:hover { color: var(--text-100); background: rgba(255,255,255,.05); }
.filter-bar button.active { background: var(--grad-brand); color: #fff; box-shadow: 0 4px 14px rgba(255,61,127,.35); }

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.content-card {
  overflow: hidden;
  cursor: pointer;
}
.content-card .thumb {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
}
.content-card .thumb .bg { position: absolute; inset: 0; transition: transform .5s; }
.content-card:hover .thumb .bg { transform: scale(1.08); }
.content-card .thumb .tag {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 700;
  color: #fff;
  z-index: 2;
}
.content-card .thumb .dur {
  position: absolute;
  bottom: 12px; right: 12px;
  font-family: var(--font-num);
  font-size: .72rem;
  background: rgba(0,0,0,.7);
  padding: 3px 8px;
  border-radius: 6px;
  color: #fff;
  z-index: 2;
}
.content-card .body { padding: 20px 22px 24px; }
.content-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--text-100); line-height: 1.4; margin-bottom: 10px; transition: color .2s; }
.content-card:hover h3 { color: var(--neon-pink-soft); }
.content-card .meta { display: flex; align-items: center; gap: 12px; font-size: .78rem; color: var(--text-400); }
.content-card .meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-400); }

/* 分类色彩 */
.bg-ent { background: linear-gradient(135deg, #FF3D7F, #FF7849); }
.bg-soc { background: linear-gradient(135deg, #2EE6D6, #06B6D4); }
.bg-biz { background: linear-gradient(135deg, #FFD84D, #FF7849); }
.bg-spo { background: linear-gradient(135deg, #A855F7, #7C3AED); }
.tag-ent { background: rgba(255,61,127,.9); }
.tag-soc { background: rgba(46,230,214,.9); color: #062b2a; }
.tag-biz { background: rgba(255,216,77,.9); color: #3d2e00; }
.tag-spo { background: rgba(168,85,247,.9); }

/* =========================================================
   关于页
   ========================================================= */
.about-hero { padding: 130px 0 80px; position: relative; z-index: 2; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h1 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; color: var(--text-100); line-height: 1.25; }
.about-text h1 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.about-text p { color: var(--text-300); margin-top: 20px; font-size: 1rem; line-height: 1.8; }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-visual .av-card { padding: 28px 24px; position: relative; overflow: hidden; }
.about-visual .av-card.big { grid-column: span 2; }
.about-visual .av-card .ico { font-size: 2rem; margin-bottom: 12px; }
.about-visual .av-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-100); margin-bottom: 6px; }
.about-visual .av-card p { font-size: .85rem; color: var(--text-300); }

/* 时间线 */
.timeline { position: relative; max-width: 720px; margin: 0 auto; }
.timeline::before { content: ''; position: absolute; left: 24px; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--neon-pink), var(--neon-purple), var(--neon-cyan)); }
.timeline-item { position: relative; padding-left: 70px; margin-bottom: 40px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-item .dot {
  position: absolute;
  left: 16px; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--bg-900);
  border: 3px solid var(--neon-pink);
  box-shadow: 0 0 12px rgba(255,61,127,.5);
  z-index: 2;
}
.timeline-item .year { font-family: var(--font-num); font-size: .9rem; font-weight: 700; color: var(--neon-cyan); }
.timeline-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-100); margin: 6px 0 8px; }
.timeline-item p { font-size: .9rem; color: var(--text-300); }

/* 联系表单 */
.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; color: var(--text-100); }
.contact-info h2 .grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.contact-info > p { color: var(--text-300); margin-top: 14px; }
.contact-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: center; gap: 14px; padding: 16px 20px; background: rgba(255,255,255,.03); border-radius: var(--r-md); border: 1px solid rgba(255,255,255,.06); }
.contact-item .ico { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,61,127,.15); display: grid; place-items: center; color: var(--neon-pink); flex-shrink: 0; }
.contact-item .t { font-size: .85rem; color: var(--text-400); }
.contact-item .v { font-size: .95rem; font-weight: 600; color: var(--text-100); }

.contact-form { padding: 36px; }
.contact-form h3 { font-size: 1.3rem; font-weight: 700; color: var(--text-100); margin-bottom: 8px; }
.contact-form > p { font-size: .88rem; color: var(--text-300); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--text-200); margin-bottom: 8px; }
.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  color: var(--text-100);
  font-size: .92rem;
  transition: all .25s;
  resize: vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-400); }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--neon-pink); background: rgba(255,61,127,.04); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .25s;
}
.faq-item.open { border-color: rgba(255,61,127,.3); }
.faq-q {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-100);
  transition: color .2s;
}
.faq-q:hover { color: var(--neon-pink-soft); }
.faq-q .icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: rgba(255,61,127,.1);
  display: grid; place-items: center;
  flex-shrink: 0;
  transition: all .3s;
}
.faq-item.open .faq-q .icon { background: var(--neon-pink); transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-a-inner { padding: 0 24px 20px; font-size: .9rem; color: var(--text-300); line-height: 1.7; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1024px) {
  .hero-inner, .dl-hero-inner, .about-grid, .contact-section { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 400px; }
  .features-grid, .cat-grid, .dl-grid, .content-grid { grid-template-columns: repeat(2, 1fr); }
  .trending-grid { grid-template-columns: 1fr 1fr; }
  .trending-grid .trend-card.big { grid-row: span 1; min-height: 260px; }
  .player-section { grid-template-columns: 1fr; }
  .playlist-sidebar { position: static; }
  .short-grid { grid-template-columns: repeat(3, 1fr); }
  .download-cta { grid-template-columns: 1fr; padding: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .highlights-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: block; }
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 16px; right: 16px;
    background: rgba(13,10,24,.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--r-lg);
    padding: 16px;
    gap: 4px;
  }
  .nav-links.mobile-open a { width: 100%; padding: 14px 16px; }
  .hero { padding: 110px 0 70px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat .num { font-size: 1.5rem; }
  .features-grid, .cat-grid, .dl-grid, .content-grid, .short-grid, .trending-grid, .highlights-grid { grid-template-columns: 1fr; }
  .short-grid { grid-template-columns: repeat(2, 1fr); }
  .trend-card.big { min-height: 200px; }
  .trend-card.big h3 { font-size: 1.2rem; }
  .download-cta { padding: 28px; }
  .dl-hero .stats-row { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  .about-visual { grid-template-columns: 1fr; }
  .about-visual .av-card.big { grid-column: span 1; }
  .contact-form { padding: 24px; }
  .page-hero-inner { flex-direction: column; align-items: flex-start; }
  .float-card { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .short-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .video-actions { flex-wrap: wrap; }
}

/* ---------- 额外动画 ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 选中文本 */
::selection { background: var(--neon-pink); color: #fff; }