/* ============================================================
   逗逼直播 · 官方新上线直播APP —— 全站样式
   设计语言：深空紫黑底 + 霓虹粉/电光青渐变，模拟直播间氛围
   ============================================================ */

:root {
  --bg-0: #07040f;
  --bg-1: #0d0818;
  --bg-2: #140d24;
  --bg-3: #1b1230;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);

  --text: #f3eefc;
  --text-dim: #b6aacb;
  --text-mute: #8a7d9f;

  --pink: #ff2d87;
  --pink-soft: #ff6ba8;
  --violet: #8b5cf6;
  --violet-deep: #6d28d9;
  --cyan: #2ee6ff;
  --gold: #ffce6a;

  --grad-main: linear-gradient(120deg, #ff2d87 0%, #a855f7 52%, #2ee6ff 100%);
  --grad-soft: linear-gradient(135deg, rgba(255, 45, 135, 0.16), rgba(46, 230, 255, 0.12));
  --grad-card: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-card: 0 18px 46px rgba(0, 0, 0, 0.46);
  --shadow-glow: 0 0 0 1px rgba(168, 85, 247, 0.32), 0 18px 50px rgba(138, 43, 226, 0.28);

  --container: 1180px;
  --header-h: 74px;

  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 0.68, 0.36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-0);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 背景光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 560px at 12% -6%, rgba(255, 45, 135, 0.20), transparent 62%),
    radial-gradient(820px 600px at 88% 2%, rgba(46, 230, 255, 0.14), transparent 60%),
    radial-gradient(1000px 700px at 50% 100%, rgba(139, 92, 246, 0.18), transparent 65%),
    var(--bg-0);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.28; font-weight: 800; letter-spacing: -0.015em; }
p { margin: 0; }
button { font-family: inherit; }

::selection { background: rgba(255, 45, 135, 0.4); color: #fff; }

/* ---------- 通用布局 ---------- */
.container {
  width: min(100% - 44px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 92px 0;
  position: relative;
}
.section--tight { padding: 62px 0; }

.section-head {
  max-width: 760px;
  margin: 0 auto 54px;
  text-align: center;
}
.section-head.left { margin-left: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pink-soft);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 107, 168, 0.32);
  background: rgba(255, 45, 135, 0.09);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 10px var(--pink);
  animation: blink 1.8s infinite;
}

.section-title {
  font-size: clamp(28px, 3.4vw, 44px);
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.9;
}

.grad-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.34s var(--ease), box-shadow 0.34s var(--ease), background 0.34s var(--ease), color 0.34s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--grad-main);
  background-size: 160% 160%;
  color: #fff;
  box-shadow: 0 14px 34px rgba(255, 45, 135, 0.34);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 42px rgba(255, 45, 135, 0.48);
  background-position: 100% 0;
}
.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line-strong);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover {
  border-color: rgba(46, 230, 255, 0.55);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 14px 34px rgba(46, 230, 255, 0.2);
}
.btn--sm { padding: 11px 24px; font-size: 14px; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(7, 4, 15, 0.72);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(7, 4, 15, 0.94);
  border-bottom-color: var(--line);
  box-shadow: 0 10px 34px rgba(0, 0, 0, 0.5);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 44px, var(--container));
}

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  background: var(--grad-main);
  box-shadow: 0 8px 22px rgba(255, 45, 135, 0.36);
  transition: transform 0.4s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.05); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
}
.brand-text em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav ul { display: flex; align-items: center; gap: 26px; }
.main-nav a {
  font-size: 15px;
  color: var(--text-dim);
  position: relative;
  padding: 6px 0;
}
.main-nav ul a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  border-radius: 2px;
  background: var(--grad-main);
  transition: width 0.34s var(--ease);
}
.main-nav ul a:hover, .main-nav ul a.is-active { color: #fff; }
.main-nav ul a:hover::after, .main-nav ul a.is-active::after { width: 100%; }

.nav-cta {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(120deg, rgba(255, 45, 135, 0.9), rgba(139, 92, 246, 0.9));
  box-shadow: 0 10px 26px rgba(255, 45, 135, 0.26);
  transition: transform 0.34s var(--ease), box-shadow 0.34s var(--ease);
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 45, 135, 0.38); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  padding: 0;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 50%;
  width: 20px; height: 2px;
  border-radius: 2px;
  background: #fff;
  transform: translateX(-50%);
  transition: 0.34s var(--ease);
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: translateX(-50%) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 78px 0 96px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 62px);
  line-height: 1.16;
  margin: 18px 0 22px;
  letter-spacing: -0.028em;
}
.hero h1 .grad-text { display: inline-block; }
.hero-desc {
  color: var(--text-dim);
  font-size: 17px;
  line-height: 1.95;
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  color: var(--text-dim);
}
.hero-badge .live-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(255, 45, 135, 0.16);
  color: var(--pink-soft);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
}
.live-dot::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 0 0 rgba(255, 45, 135, 0.7);
  animation: ping 1.6s infinite;
}

.hero-meta {
  margin-top: 42px;
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
}
.hero-meta div strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}
.hero-meta div span { font-size: 13px; color: var(--text-mute); letter-spacing: 0.04em; }
.hero-meta div strong span,
.stat strong span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

/* Hero 右侧直播卡片 */
.hero-visual { position: relative; }
.live-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  box-shadow: var(--shadow-glow);
  transform: perspective(1200px) rotateY(-7deg) rotateX(3deg);
  transition: transform 0.7s var(--ease);
  animation: floaty 7s ease-in-out infinite;
}
.hero-visual:hover .live-card { transform: perspective(1200px) rotateY(0deg) rotateX(0deg); }
.live-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.live-card .live-tag {
  position: absolute;
  top: 16px; left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: rgba(255, 45, 135, 0.92);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 8px 20px rgba(255, 45, 135, 0.42);
}
.live-card .live-tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
  animation: blink 1.4s infinite;
}
.live-card .live-info {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 46px 22px 20px;
  background: linear-gradient(to top, rgba(7, 4, 15, 0.96), rgba(7, 4, 15, 0));
}
.live-card .live-info h3 { font-size: 18px; margin-bottom: 4px; }
.live-card .live-info p { font-size: 13px; color: var(--text-dim); }
.live-card .live-faces {
  position: absolute;
  right: 18px; bottom: 18px;
  display: flex;
}
.live-card .live-faces span {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--bg-2);
  overflow: hidden;
  margin-left: -10px;
  background: var(--bg-3);
}
.live-card .live-faces span img { width: 100%; height: 100%; object-fit: cover; }

.float-pill {
  position: absolute;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line-strong);
  background: rgba(20, 13, 36, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  animation: floaty 5.5s ease-in-out infinite;
}
.float-pill.p1 { top: 8%; left: -34px; color: var(--cyan); animation-delay: 0.9s; }
.float-pill.p2 { bottom: 12%; right: -30px; color: var(--gold); animation-delay: 1.6s; }

/* ---------- 滚动跑马灯 ---------- */
.ticker {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  padding: 18px 0;
  overflow: hidden;
}
.ticker-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: ticker 34s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.ticker-track span::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--grad-main);
}

/* ---------- 卡片与网格 ---------- */
.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--grad-card);
  padding: 30px;
  overflow: hidden;
  transition: transform 0.42s var(--ease), border-color 0.42s var(--ease), box-shadow 0.42s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity 0.42s var(--ease);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card);
}
.card:hover::before { opacity: 1; }

.card-icon {
  width: 54px; height: 54px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 22px;
  background: var(--grad-soft);
  border: 1px solid var(--line-strong);
  transition: transform 0.42s var(--ease);
}
.card-icon svg { width: 24px; height: 24px; color: var(--pink-soft); }
.card:hover .card-icon { transform: rotate(-6deg) scale(1.06); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--text-dim); font-size: 15px; line-height: 1.85; }

.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- 特色区 ---------- */
.features { position: relative; }
.feature-num {
  position: absolute;
  top: 18px; right: 22px;
  font-size: 40px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
}

/* ---------- 玩法双栏 ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
}
.split-media img { width: 100%; aspect-ratio: 5 / 4; object-fit: cover; transition: transform 0.9s var(--ease); }
.split-media:hover img { transform: scale(1.05); }
.split-media .media-badge {
  position: absolute;
  left: 18px; top: 18px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-strong);
}
.split-body .section-title { font-size: clamp(26px, 3vw, 38px); }

.check-list { margin-top: 26px; display: grid; gap: 14px; }
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text-dim);
}
.check-list li::before {
  content: "✓";
  flex: 0 0 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--pink), var(--violet));
  margin-top: 3px;
}

/* ---------- 房间展示 ---------- */
.room-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
  transition: transform 0.42s var(--ease), box-shadow 0.42s var(--ease), border-color 0.42s var(--ease);
}
.room-card:hover { transform: translateY(-8px); border-color: rgba(46, 230, 255, 0.4); box-shadow: var(--shadow-card); }
.room-thumb { position: relative; overflow: hidden; }
.room-thumb img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; transition: transform 0.7s var(--ease); }
.room-card:hover .room-thumb img { transform: scale(1.06); }
.room-thumb .badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(255, 45, 135, 0.9);
}
.room-thumb .hot {
  position: absolute;
  right: 12px; bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(7, 4, 15, 0.72);
  backdrop-filter: blur(8px);
}
.room-thumb .hot svg { width: 13px; height: 13px; stroke: var(--gold); }
.room-body { padding: 20px 22px 24px; }
.room-body h3 { font-size: 17px; margin-bottom: 8px; }
.room-body p { font-size: 14px; color: var(--text-dim); }
.room-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.room-tags span {
  font-size: 12px;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  color: var(--text-mute);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: step; }
.step {
  position: relative;
  padding: 34px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
  transition: transform 0.42s var(--ease), border-color 0.42s var(--ease);
}
.step:hover { transform: translateY(-6px); border-color: rgba(255, 107, 168, 0.45); }
.step::after {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 22px; right: 24px;
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.7;
}
.step h3 { font-size: 19px; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 15px; }

/* ---------- 数据统计 ---------- */
.stats-band {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-strong);
  background: linear-gradient(120deg, rgba(255, 45, 135, 0.12), rgba(139, 92, 246, 0.10), rgba(46, 230, 255, 0.10));
  padding: 50px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute;
  inset: -40%;
  background: conic-gradient(from 0deg, transparent, rgba(255, 45, 135, 0.18), transparent 40%);
  animation: spin 18s linear infinite;
  pointer-events: none;
}
.stat strong {
  position: relative;
  display: block;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  background: var(--grad-main);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { position: relative; font-size: 13px; color: var(--text-dim); letter-spacing: 0.06em; }

/* ---------- 评价 ---------- */
.quote {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 30px;
  position: relative;
  transition: transform 0.42s var(--ease), border-color 0.42s var(--ease);
}
.quote:hover { transform: translateY(-6px); border-color: rgba(46, 230, 255, 0.36); }
.quote .stars { color: var(--gold); font-size: 14px; letter-spacing: 3px; margin-bottom: 14px; }
.quote p { color: var(--text-dim); font-size: 15px; line-height: 1.9; }
.quote-user { display: flex; align-items: center; gap: 12px; margin-top: 22px; }
.quote-user img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.quote-user strong { display: block; font-size: 14px; }
.quote-user span { font-size: 12px; color: var(--text-mute); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 14px; max-width: 900px; margin-inline: auto; }
.faq-item {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.032);
  overflow: hidden;
  transition: border-color 0.34s var(--ease), background 0.34s var(--ease);
}
.faq-item[open] { border-color: rgba(255, 107, 168, 0.42); background: rgba(255, 45, 135, 0.07); }
.faq-item summary {
  cursor: pointer;
  padding: 20px 56px 20px 24px;
  font-size: 16px;
  font-weight: 700;
  list-style: none;
  position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px; top: 50%;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--pink-soft);
  border: 1px solid rgba(255, 107, 168, 0.4);
  transition: transform 0.34s var(--ease);
}
.faq-item[open] summary::after { content: "−"; transform: translateY(-50%) rotate(180deg); }
.faq-item .faq-body {
  padding: 0 24px 22px;
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.9;
}

/* ---------- CTA ---------- */
.cta-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 70px 44px;
  text-align: center;
  overflow: hidden;
  border: 1px solid rgba(255, 107, 168, 0.3);
  background:
    radial-gradient(700px 320px at 50% 0%, rgba(255, 45, 135, 0.26), transparent 70%),
    linear-gradient(160deg, rgba(139, 92, 246, 0.14), rgba(46, 230, 255, 0.08));
}
.cta-wrap::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 45, 135, 0.28), transparent 68%);
  top: -220px; left: -120px;
  filter: blur(10px);
  animation: floaty 9s ease-in-out infinite;
}
.cta-wrap h2 { font-size: clamp(26px, 3.4vw, 42px); margin-bottom: 16px; position: relative; }
.cta-wrap p { color: var(--text-dim); max-width: 620px; margin: 0 auto 32px; position: relative; }
.cta-wrap .btn-row { justify-content: center; position: relative; }

/* ---------- 页面头部（内页） ---------- */
.page-hero {
  padding: 70px 0 60px;
  text-align: center;
  position: relative;
}
.page-hero h1 { font-size: clamp(30px, 4vw, 50px); margin: 16px 0 18px; }
.page-hero p { color: var(--text-dim); max-width: 700px; margin-inline: auto; font-size: 16px; }

.breadcrumb {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--pink-soft); }
.breadcrumb span::before { content: "/"; margin-right: 10px; color: var(--text-mute); }

/* ---------- 内容排版 ---------- */
.prose { max-width: 820px; }
.prose h2 { font-size: 26px; margin: 44px 0 16px; }
.prose h3 { font-size: 20px; margin: 30px 0 12px; }
.prose p { color: var(--text-dim); margin-bottom: 18px; font-size: 16px; line-height: 1.95; }
.prose ul { display: grid; gap: 10px; margin: 0 0 22px; }
.prose ul li {
  color: var(--text-dim);
  font-size: 15px;
  padding-left: 20px;
  position: relative;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 11px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--grad-main);
}
.prose blockquote {
  margin: 30px 0;
  padding: 20px 26px;
  border-left: 3px solid var(--pink);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 45, 135, 0.07);
  color: var(--text);
  font-size: 15px;
}
.prose img { border-radius: var(--radius); margin: 26px 0; width: 100%; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 56px; align-items: start; }
.aside-card {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 26px;
  position: sticky;
  top: 100px;
}
.aside-card + .aside-card { margin-top: 24px; }
.aside-card h3 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.aside-card ul { display: grid; gap: 14px; }
.aside-card li a { font-size: 14px; color: var(--text-dim); display: block; line-height: 1.6; }
.aside-card li a:hover { color: var(--pink-soft); }
.aside-card li span { font-size: 12px; color: var(--text-mute); }

/* ---------- 新闻列表 ---------- */
.news-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.032);
  overflow: hidden;
  transition: transform 0.42s var(--ease), border-color 0.42s var(--ease), box-shadow 0.42s var(--ease);
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(255, 107, 168, 0.4); box-shadow: var(--shadow-card); }
.news-card img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 11; }
.news-body { padding: 24px 28px 24px 0; display: flex; flex-direction: column; justify-content: center; }
.news-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--text-mute); margin-bottom: 10px; }
.news-meta .tag { color: var(--pink-soft); }
.news-body h3 { font-size: 20px; margin-bottom: 10px; }
.news-body p { font-size: 14px; color: var(--text-dim); line-height: 1.8; margin-bottom: 16px; }
.text-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--pink-soft);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.text-link::after { content: "→"; transition: transform 0.3s var(--ease); }
.text-link:hover::after { transform: translateX(5px); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 16px 22px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line); }
th { background: rgba(255, 255, 255, 0.05); font-weight: 700; font-size: 14px; color: var(--text); }
td { color: var(--text-dim); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255, 45, 135, 0.05); }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--text-dim); font-weight: 700; letter-spacing: 0.03em; }
.field input, .field textarea, .field select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-mute); }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: rgba(255, 107, 168, 0.6);
  box-shadow: 0 0 0 3px rgba(255, 45, 135, 0.16);
  background: rgba(255, 255, 255, 0.07);
}
.form-note { font-size: 12px; color: var(--text-mute); margin-top: 16px; }
.form-tip {
  margin-top: 18px;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--cyan);
  background: rgba(46, 230, 255, 0.09);
  border: 1px solid rgba(46, 230, 255, 0.26);
  display: none;
}
.form-tip.show { display: block; animation: fadeUp 0.5s var(--ease) both; }

/* ---------- 联系信息 ---------- */
.info-card {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  padding: 24px;
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.info-card:hover { border-color: rgba(46, 230, 255, 0.4); transform: translateY(-4px); }
.info-icon {
  width: 46px; height: 46px;
  flex: 0 0 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 20px;
  background: var(--grad-soft);
  border: 1px solid var(--line-strong);
}
.info-icon svg { width: 20px; height: 20px; color: var(--pink-soft); }
.info-card h3 { font-size: 16px; margin-bottom: 6px; }
.info-card p { font-size: 14px; color: var(--text-dim); line-height: 1.7; }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; display: grid; gap: 34px; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--pink), var(--violet), var(--cyan));
  opacity: 0.65;
}
.timeline-item { position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 8px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg-0);
  border: 2px solid var(--pink);
  box-shadow: 0 0 12px rgba(255, 45, 135, 0.7);
}
.timeline-item time { font-size: 12px; letter-spacing: 0.1em; color: var(--pink-soft); font-weight: 700; }
.timeline-item h3 { font-size: 18px; margin: 6px 0 8px; }
.timeline-item p { font-size: 14px; color: var(--text-dim); }

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.03), rgba(0, 0, 0, 0.35));
  padding: 68px 0 30px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}
.footer-brand p { color: var(--text-dim); font-size: 14px; line-height: 1.9; margin-top: 18px; max-width: 340px; }
.footer-col h3 { font-size: 15px; margin-bottom: 18px; color: var(--text); }
.footer-col ul { display: grid; gap: 12px; }
.footer-col a, .footer-col li { font-size: 14px; color: var(--text-dim); }
.footer-col a:hover { color: var(--pink-soft); }
.footer-bottom {
  padding-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-mute);
}
.footer-bottom .sep { color: rgba(255, 255, 255, 0.16); margin: 0 8px; }

/* ---------- 动画 ---------- */
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(255, 45, 135, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(255, 45, 135, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 45, 135, 0); }
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 22px; bottom: 26px;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: rgba(20, 13, 36, 0.86);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: 0.4s var(--ease);
  z-index: 50;
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--pink); color: var(--pink-soft); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 54px; }
  .hero-visual { max-width: 520px; }
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .aside-card { position: static; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .float-pill.p1 { left: 0; }
  .float-pill.p2 { right: 0; }
}

@media (max-width: 900px) {
  :root { --header-h: 66px; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px 22px 26px;
    background: rgba(7, 4, 15, 0.98);
    border-bottom: 1px solid var(--line);
    transform: translateY(-140%);
    opacity: 0;
    visibility: hidden;
    transition: 0.45s var(--ease);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  }
  .main-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav ul li { border-bottom: 1px solid var(--line); }
  .main-nav ul a { display: block; padding: 15px 4px; font-size: 16px; }
  .main-nav ul a::after { display: none; }
  .nav-cta { margin-top: 20px; text-align: center; display: block; padding: 14px 22px; }
  .nav-toggle { display: block; }

  .split, .split.reverse .split-media { grid-template-columns: 1fr; order: initial; }
  .split { gap: 34px; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); padding: 38px 24px; }
  .news-card { grid-template-columns: 1fr; }
  .news-card img { aspect-ratio: 16 / 8; }
  .news-body { padding: 24px 26px; }
  .section { padding: 70px 0; }
}

@media (max-width: 640px) {
  .container { width: calc(100% - 32px); }
  .brand-text em { display: none; }
  .hero { padding: 52px 0 64px; }
  .hero-meta { gap: 26px; }
  .hero-meta div strong { font-size: 22px; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .cta-wrap { padding: 48px 22px; }
  .page-hero { padding: 48px 0 34px; }
  .btn { width: 100%; }
  .btn-row { flex-direction: column; }
  .stats-band { grid-template-columns: 1fr; }
  .float-pill { display: none; }
  .news-card img { aspect-ratio: 16 / 10; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
}