/* ============================================
   黑料今天不打烊 · 深夜霓虹便利店 设计系统
   风格：深夜底色 + 霓虹暖光 + 玻璃态 + 微动效
   概念：24h 不打烊的资讯便利店
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@500;700;900&family=Noto+Sans+SC:wght@300;400;500;700;900&family=Space+Grotesk:wght@400;500;700&display=swap');

/* ---------- 设计变量 ---------- */
:root {
  /* 背景层次 —— 深夜便利店 */
  --bg-0: #0b0d12;
  --bg-1: #11141b;
  --bg-2: #181c26;
  --bg-3: #20252f;
  --card: #161a23;
  --card-hover: #1c212c;

  /* 文字 */
  --fg: #f5f3ef;
  --fg-2: #b8bcc7;
  --fg-3: #7a8090;
  --fg-inv: #0b0d12;

  /* 强调色 —— 霓虹便利店招牌 */
  --accent: #ff5d5b;        /* 珊瑚红 · 主招牌 */
  --accent-2: #ffd23f;      /* 电光黄 · 高光/促销 */
  --accent-3: #4ade80;      /* 薄荷绿 · 在线/可信 */
  --accent-4: #7c83ff;      /* 靛蓝 · 科技/链接 */
  --accent-5: #ff8fab;      /* 樱花粉 · 可爱点缀 */

  /* 渐变 */
  --grad-warm: linear-gradient(135deg, #ff5d5b 0%, #ff8a5b 45%, #ffd23f 100%);
  --grad-cool: linear-gradient(135deg, #7c83ff 0%, #4ade80 100%);
  --grad-pink: linear-gradient(135deg, #ff8fab 0%, #ff5d5b 100%);
  --grad-ink: linear-gradient(180deg, #11141b 0%, #0b0d12 100%);
  --grad-glass: linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.02));

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

  /* 阴影 */
  --shadow-1: 0 2px 10px rgba(0,0,0,.35);
  --shadow-2: 0 10px 36px rgba(0,0,0,.45);
  --shadow-glow: 0 0 0 1px rgba(255,93,91,.28), 0 10px 44px rgba(255,93,91,.18);
  --shadow-glow-y: 0 0 0 1px rgba(255,210,63,.3), 0 10px 44px rgba(255,210,63,.16);
  --shadow-lift: 0 22px 60px rgba(0,0,0,.6);

  /* 布局 */
  --maxw: 1240px;
  --nav-h: 70px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-back: cubic-bezier(.34,1.56,.64,1);
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--fg);
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul, ol { list-style: none; }
::selection { background: var(--accent); color: #fff; }

/* ---------- 深夜霓虹氛围 ---------- */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 620px at 10% -5%, rgba(255,93,91,.13), transparent 60%),
    radial-gradient(760px 520px at 95% 5%, rgba(255,210,63,.07), transparent 55%),
    radial-gradient(700px 700px at 50% 115%, rgba(124,131,255,.10), transparent 60%);
  pointer-events: none; z-index: 0;
}
body::after {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: .028; pointer-events: none; z-index: 0; mix-blend-mode: overlay;
}

/* ---------- 容器 ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 10px; border: 2px solid var(--bg-0); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h);
  background: rgba(11,13,18,.72);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(255,255,255,.06);
  z-index: 100; transition: all .35s var(--ease);
}
.nav.scrolled { background: rgba(11,13,18,.94); border-bottom-color: rgba(255,255,255,.1); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; height: 100%; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: 1.28rem; letter-spacing: .5px; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--grad-warm);
  display: grid; place-items: center;
  font-size: 1.15rem; color: #1a1e28; font-weight: 900;
  box-shadow: 0 4px 16px rgba(255,93,91,.45), inset 0 0 0 1px rgba(255,255,255,.2);
  flex-shrink: 0;
  animation: neonPulse 3.5s var(--ease) infinite;
}
.brand-name { background: linear-gradient(90deg, #fff 0%, #ffd23f 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.brand-name .num { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 9px 16px; border-radius: var(--r-full); font-size: .92rem; font-weight: 500; color: var(--fg-2);
  transition: all .25s var(--ease); position: relative;
}
.nav-link:hover { color: var(--fg); background: rgba(255,255,255,.05); }
.nav-link.active { color: #fff; background: rgba(255,93,91,.14); }
.nav-link.active::after {
  content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 3px; border-radius: 3px; background: var(--grad-warm);
}
.nav-cta {
  padding: 10px 20px; border-radius: var(--r-full); font-size: .9rem; font-weight: 700;
  background: var(--grad-warm); color: #1a1e28;
  box-shadow: 0 4px 16px rgba(255,93,91,.4);
  transition: all .25s var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,93,91,.5); color: #1a1e28; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; align-items: center; justify-content: center; background: rgba(255,255,255,.05); }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--fg); border-radius: 2px; position: relative; transition: .3s var(--ease); }
.nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--fg); border-radius: 2px; transition: .3s var(--ease); }
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--r-full); font-size: .98rem; font-weight: 700;
  transition: all .3s var(--ease); position: relative; cursor: pointer;
}
.btn-primary { background: var(--grad-warm); color: #1a1e28; box-shadow: 0 6px 22px rgba(255,93,91,.38); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 34px rgba(255,93,91,.52); color: #1a1e28; }
.btn-secondary { background: rgba(255,255,255,.06); color: var(--fg); border: 1px solid rgba(255,255,255,.12); }
.btn-secondary:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); color: var(--fg); }
.btn-ghost { background: transparent; color: var(--fg-2); border: 1px solid rgba(255,255,255,.14); }
.btn-ghost:hover { color: var(--accent-2); border-color: var(--accent-2); }
.btn-lg { padding: 17px 38px; font-size: 1.05rem; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; position: relative; }
.section-head { margin-bottom: 44px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: var(--r-full); font-size: .78rem; font-weight: 700; letter-spacing: 1px;
  background: rgba(255,93,91,.12); color: var(--accent); border: 1px solid rgba(255,93,91,.22);
  margin-bottom: 16px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: blink 1.4s infinite; }
.eyebrow.y { background: rgba(255,210,63,.12); color: var(--accent-2); border-color: rgba(255,210,63,.22); }
.eyebrow.y .dot { background: var(--accent-2); }
.eyebrow.g { background: rgba(74,222,128,.12); color: var(--accent-3); border-color: rgba(74,222,128,.22); }
.eyebrow.g .dot { background: var(--accent-3); }
.eyebrow.p { background: rgba(255,143,171,.12); color: var(--accent-5); border-color: rgba(255,143,171,.22); }
.eyebrow.p .dot { background: var(--accent-5); }
.eyebrow.b { background: rgba(124,131,255,.12); color: var(--accent-4); border-color: rgba(124,131,255,.22); }
.eyebrow.b .dot { background: var(--accent-4); }
.section-title { font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: clamp(1.7rem, 4vw, 2.6rem); line-height: 1.2; letter-spacing: -.5px; }
.section-title .hl { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.section-sub { color: var(--fg-2); margin-top: 14px; font-size: 1.02rem; max-width: 620px; }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh; display: flex; align-items: center; padding-top: var(--nav-h);
  position: relative; overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px; border-radius: var(--r-full); font-size: .82rem; font-weight: 600;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); margin-bottom: 24px;
}
.hero-badge .live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: livePulse 2s infinite; }
.hero h1 {
  font-family: 'Noto Serif SC', serif; font-weight: 900;
  font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.08; letter-spacing: -1px; margin-bottom: 22px;
}
.hero h1 .hl { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero h1 .glow { color: var(--accent-2); text-shadow: 0 0 30px rgba(255,210,63,.4); }
.hero p.lead { font-size: 1.12rem; color: var(--fg-2); max-width: 540px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 2rem; font-weight: 700; background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-stat .label { font-size: .82rem; color: var(--fg-3); }

/* Hero 右侧视觉 —— 霓虹便利店招牌卡 */
.hero-visual { position: relative; }
.neon-sign {
  position: relative; border-radius: var(--r-xl); padding: 40px 32px;
  background: linear-gradient(160deg, rgba(255,93,91,.14), rgba(255,210,63,.06) 50%, rgba(124,131,255,.10));
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: var(--shadow-2); overflow: hidden;
}
.neon-sign::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(400px 300px at 30% 0%, rgba(255,93,91,.25), transparent 70%);
  pointer-events: none;
}
.neon-sign .tag-open {
  display: inline-flex; align-items: center; gap: 8px; font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: .82rem; letter-spacing: 2px; color: var(--accent-2);
  margin-bottom: 18px; padding: 6px 14px; border-radius: var(--r-full);
  background: rgba(255,210,63,.12); border: 1px solid rgba(255,210,63,.3);
}
.neon-sign .big-word {
  font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.1; margin-bottom: 8px;
  background: linear-gradient(135deg, #fff, #ffd23f 60%, #ff5d5b);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  text-shadow: 0 0 40px rgba(255,210,63,.25);
}
.neon-sign .sub { color: var(--fg-2); font-size: .95rem; margin-bottom: 26px; }
.neon-products { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.neon-product {
  padding: 16px; border-radius: var(--r-md); background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.08); transition: all .3s var(--ease);
}
.neon-product:hover { transform: translateY(-4px); border-color: rgba(255,93,91,.4); background: rgba(255,93,91,.06); }
.neon-product .ico { font-size: 1.6rem; margin-bottom: 8px; display: block; }
.neon-product .t { font-weight: 700; font-size: .9rem; }
.neon-product .s { font-size: .74rem; color: var(--fg-3); }
.neon-sign .marquee {
  margin-top: 22px; padding: 12px 16px; border-radius: var(--r-md);
  background: rgba(0,0,0,.35); border: 1px solid rgba(255,255,255,.08);
  font-size: .82rem; color: var(--fg-2); display: flex; align-items: center; gap: 10px;
}
.neon-sign .marquee .pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); animation: blink 1.4s infinite; }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card); border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid rgba(255,255,255,.06); transition: all .35s var(--ease);
  position: relative;
}
.card:hover { transform: translateY(-6px); border-color: rgba(255,93,91,.25); box-shadow: var(--shadow-2); }

/* 资讯卡片 */
.news-card .thumb { height: 168px; position: relative; overflow: hidden; }
.news-card .thumb .ph { width: 100%; height: 100%; }
.news-card .thumb .cat-pill {
  position: absolute; top: 12px; left: 12px; padding: 5px 12px; border-radius: var(--r-full);
  font-size: .72rem; font-weight: 700; backdrop-filter: blur(8px);
  background: rgba(0,0,0,.55); border: 1px solid rgba(255,255,255,.15);
}
.news-card .body { padding: 18px 20px 20px; }
.news-card .meta { display: flex; align-items: center; gap: 10px; font-size: .76rem; color: var(--fg-3); margin-bottom: 10px; }
.news-card .meta .src { color: var(--accent-2); }
.news-card h3 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1.06rem; line-height: 1.4; margin-bottom: 10px; }
.news-card .excerpt { font-size: .86rem; color: var(--fg-2); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .read { font-size: .82rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 4px; }
.news-card .read .arrow { transition: transform .25s var(--ease); }
.news-card:hover .read .arrow { transform: translateX(4px); }

/* 占位图渐变背景 */
.ph-entertainment { background: linear-gradient(135deg, #ff5d5b, #ff8a5b); }
.ph-social { background: linear-gradient(135deg, #7c83ff, #5b8def); }
.ph-business { background: linear-gradient(135deg, #ffd23f, #ff9a3f); }
.ph-sports { background: linear-gradient(135deg, #4ade80, #22d3ee); }
.ph-video { background: linear-gradient(135deg, #ff8fab, #ff5d5b); }
.ph-star { background: linear-gradient(135deg, #a78bfa, #7c83ff); }
.ph-trending { background: linear-gradient(135deg, #f97316, #ef4444); }

/* ---------- 分类筛选 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-chip {
  padding: 9px 18px; border-radius: var(--r-full); font-size: .88rem; font-weight: 600;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); color: var(--fg-2);
  transition: all .25s var(--ease);
}
.filter-chip:hover { color: var(--fg); border-color: rgba(255,93,91,.4); }
.filter-chip.active { background: var(--grad-warm); color: #1a1e28; border-color: transparent; }

/* ---------- 特色功能块 ---------- */
.feature {
  padding: 32px; border-radius: var(--r-lg); background: var(--card);
  border: 1px solid rgba(255,255,255,.06); transition: all .35s var(--ease);
  display: flex; flex-direction: column; gap: 14px;
}
.feature:hover { transform: translateY(-4px); border-color: rgba(255,93,91,.2); background: var(--card-hover); }
.feature .fico {
  width: 54px; height: 54px; border-radius: var(--r-md); display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: 4px;
}
.feature h3 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1.15rem; }
.feature p { font-size: .92rem; color: var(--fg-2); }
.ic-warm { background: rgba(255,93,91,.14); color: var(--accent); }
.ic-y { background: rgba(255,210,63,.14); color: var(--accent-2); }
.ic-g { background: rgba(74,222,128,.14); color: var(--accent-3); }
.ic-b { background: rgba(124,131,255,.14); color: var(--accent-4); }
.ic-p { background: rgba(255,143,171,.14); color: var(--accent-5); }

/* ---------- 下载 CTA ---------- */
.cta-banner {
  border-radius: var(--r-xl); padding: 56px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(255,93,91,.16), rgba(255,210,63,.08) 50%, rgba(124,131,255,.14));
  border: 1px solid rgba(255,255,255,.1);
}
.cta-banner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 300px at 80% 20%, rgba(255,210,63,.18), transparent 70%); pointer-events: none; }
.cta-inner { position: relative; display: grid; grid-template-columns: 1.3fr .7fr; gap: 40px; align-items: center; }
.cta-banner h2 { font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: clamp(1.6rem, 3.5vw, 2.4rem); line-height: 1.2; margin-bottom: 14px; }
.cta-banner p { color: var(--fg-2); margin-bottom: 28px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.qr-box {
  background: rgba(0,0,0,.3); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-lg);
  padding: 20px; text-align: center; justify-self: end; backdrop-filter: blur(8px);
}
.qr-box .qr { width: 150px; height: 150px; border-radius: var(--r-md); background: #fff; display: grid; place-items: center; margin-bottom: 12px; }
.qr-box .qr svg { width: 100%; height: 100%; }
.qr-box .qt { font-size: .82rem; color: var(--fg-2); }

/* ---------- 页脚 ---------- */
.footer { padding: 64px 0 32px; border-top: 1px solid rgba(255,255,255,.06); margin-top: 40px; background: var(--bg-1); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: .88rem; color: var(--fg-2); max-width: 320px; }
.footer-col h4 { font-size: .95rem; font-weight: 700; margin-bottom: 16px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: .86rem; color: var(--fg-2); }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { padding-top: 24px; 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 { font-size: .8rem; color: var(--fg-3); }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,.05); display: grid; place-items: center; font-size: 1rem; transition: all .25s var(--ease); }
.footer-social a:hover { background: var(--grad-warm); color: #1a1e28; transform: translateY(-2px); }

/* ---------- 页面横幅 ---------- */
.page-hero { padding: calc(var(--nav-h) + 60px) 0 50px; position: relative; }
.page-hero h1 { font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; letter-spacing: -.5px; margin-bottom: 16px; }
.page-hero h1 .hl { background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--fg-2); font-size: 1.08rem; max-width: 620px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: var(--fg-3); margin-bottom: 20px; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--fg-3); }

/* ---------- 视频网格 ---------- */
.video-card { cursor: pointer; }
.video-card .thumb { height: 190px; position: relative; overflow: hidden; }
.video-card .thumb .play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) scale(.8);
  width: 54px; height: 54px; border-radius: 50%; background: rgba(255,93,91,.95);
  display: grid; place-items: center; color: #fff; font-size: 1.2rem;
  opacity: 0; transition: all .3s var(--ease-back);
}
.video-card:hover .thumb .play-btn { opacity: 1; transform: translate(-50%,-50%) scale(1); }
.video-card .thumb .dur { position: absolute; bottom: 10px; right: 10px; padding: 3px 8px; border-radius: 6px; font-size: .72rem; font-weight: 600; background: rgba(0,0,0,.7); color: #fff; }
.video-card .thumb .views { position: absolute; bottom: 10px; left: 10px; font-size: .74rem; color: #fff; display: flex; align-items: center; gap: 4px; }
.video-card .body { padding: 14px 16px 16px; }
.video-card h3 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1rem; line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-card .meta { font-size: .78rem; color: var(--fg-3); display: flex; align-items: center; gap: 10px; }

/* ---------- 话题/标签 ---------- */
.topic-card {
  padding: 22px; border-radius: var(--r-lg); background: var(--card);
  border: 1px solid rgba(255,255,255,.06); transition: all .35s var(--ease);
  position: relative; overflow: hidden;
}
.topic-card::before { content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 100%; }
.topic-card:hover { transform: translateY(-4px); border-color: rgba(255,93,91,.25); }
.topic-card .rank { font-family: 'Space Grotesk', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--fg-3); opacity: .5; margin-bottom: 6px; }
.topic-card h3 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1.08rem; margin-bottom: 10px; line-height: 1.35; }
.topic-card .stats { display: flex; gap: 16px; font-size: .78rem; color: var(--fg-3); margin-bottom: 14px; }
.topic-card .stats span { display: flex; align-items: center; gap: 4px; }
.topic-card .bar { height: 6px; border-radius: 6px; background: rgba(255,255,255,.08); overflow: hidden; margin-bottom: 12px; }
.topic-card .bar i { display: block; height: 100%; border-radius: 6px; background: var(--grad-warm); }

/* ---------- 下载页 ---------- */
.dl-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.phone-mock {
  width: 280px; height: 560px; border-radius: 42px; margin: 0 auto;
  background: linear-gradient(160deg, #20252f, #11141b); border: 8px solid #050608;
  box-shadow: var(--shadow-lift), inset 0 0 0 2px rgba(255,255,255,.08);
  padding: 18px; position: relative; overflow: hidden;
}
.phone-mock::before { content: ""; position: absolute; top: 14px; left: 50%; transform: translateX(-50%); width: 90px; height: 22px; border-radius: 14px; background: #050608; }
.phone-screen { width: 100%; height: 100%; border-radius: 28px; background: var(--grad-ink); position: relative; overflow: hidden; padding: 38px 16px 16px; }
.phone-screen .ps-bar { display: flex; justify-content: space-between; font-size: .7rem; color: var(--fg-2); margin-bottom: 18px; }
.phone-screen .ps-logo { font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: 1.3rem; text-align: center; margin-bottom: 6px; }
.phone-screen .ps-sub { font-size: .7rem; color: var(--fg-3); text-align: center; margin-bottom: 20px; }
.phone-screen .ps-card { background: rgba(255,255,255,.06); border-radius: 12px; padding: 12px; margin-bottom: 10px; }
.phone-screen .ps-card .pi { display: flex; gap: 8px; align-items: center; }
.phone-screen .ps-card .pi .b { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; }
.phone-screen .ps-card .pt { font-size: .78rem; font-weight: 600; }
.phone-screen .ps-card .ps { font-size: .66rem; color: var(--fg-3); }
.phone-screen .ps-btn { margin-top: 14px; padding: 12px; border-radius: 14px; background: var(--grad-warm); color: #1a1e28; font-weight: 700; font-size: .9rem; text-align: center; }
.dl-feature-list { display: grid; gap: 16px; margin-top: 28px; }
.dl-feature-item { display: flex; gap: 14px; align-items: flex-start; }
.dl-feature-item .fico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0; }
.dl-feature-item h4 { font-size: .98rem; font-weight: 700; margin-bottom: 4px; }
.dl-feature-item p { font-size: .86rem; color: var(--fg-2); }

/* ---------- 关于页 ---------- */
.about-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-visual {
  border-radius: var(--r-xl); padding: 40px;
  background: linear-gradient(160deg, rgba(255,93,91,.1), rgba(124,131,255,.08));
  border: 1px solid rgba(255,255,255,.08); position: relative; overflow: hidden;
}
.about-visual .big-mark { font-family: 'Noto Serif SC', serif; font-weight: 900; font-size: 4rem; line-height: 1; background: var(--grad-warm); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 12px; }
.principle-list { display: grid; gap: 18px; }
.principle { display: flex; gap: 18px; align-items: flex-start; padding: 24px; border-radius: var(--r-lg); background: var(--card); border: 1px solid rgba(255,255,255,.06); transition: all .3s var(--ease); }
.principle:hover { border-color: rgba(255,93,91,.2); transform: translateX(6px); }
.principle .pnum { font-family: 'Space Grotesk', sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--accent); flex-shrink: 0; min-width: 40px; }
.principle h3 { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 1.1rem; margin-bottom: 8px; }
.principle p { font-size: .9rem; color: var(--fg-2); }

/* ---------- 动画 ---------- */
@keyframes neonPulse { 0%,100% { box-shadow: 0 4px 16px rgba(255,93,91,.45), inset 0 0 0 1px rgba(255,255,255,.2); } 50% { box-shadow: 0 4px 28px rgba(255,93,91,.7), inset 0 0 0 1px rgba(255,255,255,.3); } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
@keyframes livePulse { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); } 70% { box-shadow: 0 0 0 8px rgba(74,222,128,0); } 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.reveal { opacity: 0; }
.reveal.in { animation: fadeUp .7s var(--ease) forwards; }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { max-width: 480px; }
  .cta-inner { grid-template-columns: 1fr; }
  .qr-box { justify-self: start; }
  .dl-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-intro { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-links.mobile-open {
    display: flex; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: rgba(11,13,18,.98); padding: 16px; gap: 4px; border-bottom: 1px solid rgba(255,255,255,.1);
    backdrop-filter: blur(20px);
  }
  .nav-links.mobile-open .nav-link { width: 100%; padding: 14px 16px; }
  .nav-links.mobile-open .nav-link.active::after { display: none; }
  .section { padding: 56px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 24px; }
  .neon-sign { padding: 30px 22px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .neon-products { grid-template-columns: 1fr; }
  .filter-bar { gap: 8px; }
  .filter-chip { padding: 8px 14px; font-size: .82rem; }
}