/* ============================================
   您游 - 游戏推广平台 主样式表
   ============================================ */

/* 华为鸿蒙字体 */
@font-face {
  font-family: 'HarmonyOS Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('https://developer.huawei.com/system/modules/com.huawei.webdeveloper/assets/fonts/HarmonyOS_Sans_Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'HarmonyOS Sans SC';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('https://developer.huawei.com/system/modules/com.huawei.webdeveloper/assets/fonts/HarmonyOS_Sans_Medium.woff2') format('woff2');
}
@font-face {
  font-family: 'HarmonyOS Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('https://developer.huawei.com/system/modules/com.huawei.webdeveloper/assets/fonts/HarmonyOS_Sans_Bold.woff2') format('woff2');
}

/* CSS变量 */
:root {
  --bg-primary: #0f0c29;
  --bg-secondary: #1a1a3e;
  --bg-card: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.1);
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.5);
  --text-dim: rgba(255,255,255,0.3);
  --cyan: #06b6d4;
  --purple: #8b5cf6;
  --pink: #ec4899;
  --indigo: #6366f1;
  --max-width: 1280px;
  --nav-height: 72px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'HarmonyOS Sans SC', 'HarmonyOS Sans', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: #0a0a1a;
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* 按钮 */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 9999px;
  font-size: 14px; font-weight: 500; color: #fff;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border: none; cursor: pointer;
  transition: all 0.3s; white-space: nowrap;
}
.btn-primary:hover { box-shadow: 0 4px 20px rgba(139,92,246,0.4); transform: scale(0.98); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 9999px;
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.7); background: transparent;
  border: 2px solid rgba(255,255,255,0.15); cursor: pointer;
  transition: all 0.3s; white-space: nowrap;
}
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.3); transform: scale(0.98); }

/* 玻璃卡片 */
.glass-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
}

/* 渐变文字 */
.gradient-text {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 30%, #ec4899 60%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 容器 */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (min-width: 768px) { .container { padding: 0 40px; } }
@media (min-width: 1024px) { .container { padding: 0 64px; } }

/* 背景光晕 */
.glow { position: absolute; border-radius: 50%; filter: blur(120px); pointer-events: none; }
.glow-purple { background: rgba(139,92,246,0.12); }
.glow-cyan { background: rgba(6,182,212,0.1); }
.glow-pink { background: rgba(236,72,153,0.08); }

/* ============================================
   导航栏
   ============================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height); transition: all 0.5s;
}
.nav.scrolled {
  background: rgba(15,12,41,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
}
.nav-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
@media (min-width: 768px) { .nav-inner { padding: 0 40px; } }

.nav-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); }

.nav-links { display: none; gap: 32px; align-items: center; }
@media (min-width: 1024px) { .nav-links { display: flex; } }

.nav-link {
  font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: color 0.3s; position: relative; padding: 4px 0;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #06b6d4, #8b5cf6, #ec4899);
  border-radius: 2px;
}

.nav-login { display: none; }
@media (min-width: 1024px) { .nav-login { display: block; } }

.nav-toggle {
  display: block; background: none; border: none; color: #fff;
  cursor: pointer; padding: 8px;
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }

/* 移动端菜单 */
.nav-mobile {
  display: none; position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: rgba(15,12,41,0.98); backdrop-filter: blur(20px);
  padding: 32px 24px; z-index: 999;
}
.nav-mobile.active { display: block; }
.nav-mobile a {
  display: block; padding: 16px 0; font-size: 18px;
  color: rgba(255,255,255,0.7); border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.3s;
}
.nav-mobile a:hover, .nav-mobile a.active { color: #06b6d4; }

/* ============================================
   底部
   ============================================ */
.footer {
  position: relative; overflow: hidden;
  background: #0a0a1a;
}
.footer-top {
  display: flex; flex-direction: column; align-items: center;
  padding-top: 64px; margin-bottom: 48px;
}
.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 56px; width: auto; filter: brightness(0) invert(1); }
.footer-slogan { color: rgba(255,255,255,0.3); font-size: 14px; text-align: center; }

.footer-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px;
  padding-bottom: 48px;
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
}

.footer-col-title {
  font-size: 16px; font-weight: 600; color: #fff;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a, .footer-links span {
  font-size: 14px; color: rgba(255,255,255,0.4);
  transition: color 0.3s; display: flex; align-items: center; gap: 8px;
}
.footer-links a:hover { color: #06b6d4; }

.footer-partners {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
}
.footer-partner {
  font-size: 12px; color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.05); border-radius: 6px;
  padding: 8px; text-align: center;
}

.footer-bottom {
  background: #0a0a1a; border-top: 1px solid rgba(255,255,255,0.05);
  padding: 16px 0;
}
.footer-bottom-inner {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
}
@media (min-width: 768px) {
  .footer-bottom-inner { flex-direction: row; justify-content: space-between; }
}

.footer-copyright {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 6px; font-size: 12px; color: rgba(255,255,255,0.25);
}
.footer-copyright > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  line-height: 1;
}
.footer-copyright span.sep { color: rgba(255,255,255,0.1); }

.footer-socials { display: flex; align-items: center; gap: 10px; }
.footer-social {
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.3); transition: all 0.3s;
}
.footer-social:hover { border-color: currentColor; }
.footer-social svg { width: 14px; height: 14px; }

/* ============================================
   Hero区
   ============================================ */
.hero {
  min-height: 42vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 100px; padding-bottom: 60px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-inner { position: relative; z-index: 1; width: 100%; }
.hero-grid {
  display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center;
}
@media (min-width: 1024px) { .hero-grid { grid-template-columns: 1fr 1fr; } }

.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 9999px;
  font-size: 12px; font-weight: 500;
  background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(139,92,246,0.2));
  border: 1px solid rgba(6,182,212,0.3); color: #22d3ee;
  margin-bottom: 24px;
}
.hero-title {
  font-size: 36px; font-weight: 700; line-height: 1.15;
  margin-bottom: 24px; letter-spacing: -0.02em;
}
@media (min-width: 640px) { .hero-title { font-size: 48px; } }
@media (min-width: 1024px) { .hero-title { font-size: 56px; } }
.hero-title span { display: block; }

.hero-desc { font-size: 16px; color: var(--text-muted); max-width: 500px; margin-bottom: 32px; }
@media (min-width: 768px) { .hero-desc { font-size: 18px; } }

.hero-buttons { display: flex; flex-direction: column; gap: 12px; margin-bottom: 48px; }
@media (min-width: 640px) { .hero-buttons { flex-direction: row; } }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 480px; }
.hero-stat svg { margin-bottom: 8px; }
.hero-stat-num { font-size: 24px; font-weight: 700; white-space: nowrap; }
@media (min-width: 768px) { .hero-stat-num { font-size: 30px; } }
.hero-stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.hero-image { display: none; position: relative; }
@media (min-width: 1024px) { .hero-image { display: block; } }
.hero-image img { border-radius: 24px; border: 1px solid rgba(255,255,255,0.1); }
.hero-image-badge {
  position: absolute; top: -16px; right: -16px;
  background: linear-gradient(135deg, #8b5cf6, #ec4899);
  color: #fff; font-size: 12px; font-weight: 700;
  padding: 6px 16px; border-radius: 9999px;
  box-shadow: 0 4px 15px rgba(139,92,246,0.4);
  animation: bounce 2s infinite;
}
.hero-float-card {
  position: absolute; bottom: -16px; left: -16px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 16px; display: flex; align-items: center; gap: 12px;
}
.hero-float-card .icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.hero-float-card .num { font-size: 18px; font-weight: 700; color: #22d3ee; }

/* ============================================
   通用区块
   ============================================ */
.section { position: relative; padding: 80px 0; overflow: hidden; }
@media (min-width: 768px) { .section { padding: 100px 0; } }

.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  font-size: 13px; font-weight: 500;
  color: var(--cyan); text-transform: uppercase; letter-spacing: 0.1em;
  display: inline-flex; align-items: center; gap: 6px; margin-bottom: 12px;
}
.section-title { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
@media (min-width: 768px) { .section-title { font-size: 40px; } }
.section-sub { font-size: 16px; color: var(--text-muted); max-width: 500px; margin: 0 auto; }

/* 卡片悬浮效果 */
.card-hover {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(99, 102, 241, 0.25);
}

/* 游戏卡片 */
.game-card { border-radius: 16px; overflow: hidden; cursor: pointer; }
.game-card-img { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.game-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.7s;
}
.game-card:hover .game-card-img img { transform: scale(1.1); }
.game-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.6), transparent); }
.game-card-badge {
  position: absolute; top: 12px; left: 12px;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #fff; font-size: 11px; font-weight: 500;
  padding: 4px 12px; border-radius: 9999px;
}
.game-card-rating {
  position: absolute; top: 12px; right: 12px;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(10px);
  border-radius: 9999px; padding: 4px 12px;
  display: flex; align-items: center; gap: 4px; font-size: 12px; color: #fff;
}
.game-card-body { padding: 20px; }
.game-card-title { font-size: 16px; font-weight: 600; margin-bottom: 12px; transition: color 0.3s; }
.game-card:hover .game-card-title { color: #22d3ee; }
.game-card-meta { display: flex; align-items: center; justify-content: space-between; }
.game-card-tags { display: flex; gap: 6px; }
.game-card-tag {
  font-size: 11px; padding: 4px 10px; border-radius: 9999px;
  background: rgba(255,255,255,0.05); color: rgba(255,255,255,0.5);
}
.game-card-players { font-size: 12px; color: rgba(255,255,255,0.4); display: flex; align-items: center; gap: 4px; }

/* 标签 */
.tag {
  display: inline-block; font-size: 11px; padding: 4px 12px;
  border-radius: 9999px; background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.08);
}

/* 游戏类型大卡片 */
.type-card { position: relative; border-radius: 24px; overflow: hidden; height: 400px; cursor: pointer; }
.type-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s; }
.type-card:hover img { transform: scale(1.1); }
.type-card-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 100%); }
.type-card-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; }
.type-card-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; color: #fff; }
.type-card-title { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.type-card-desc { font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 8px; }
.type-card-count { font-size: 12px; color: #22d3ee; font-weight: 500; }
.type-card-badge-top {
  position: absolute; top: 16px; left: 16px;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 9999px;
  font-size: 12px; font-weight: 500; color: #fff;
}

/* 优势卡片 */
/* V16核心优势卡片 - 实色背景 */
.adv-card-v16 {
  padding: 32px; border-radius: 16px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #1a1635 0%, #201d42 100%);
  border: 1px solid rgba(255,255,255,0.08);
}
.adv-card-v16 .adv-card-glow {
  position: absolute; top: 0; right: 0; width: 128px; height: 128px;
  border-radius: 50%; filter: blur(40px); opacity: 0.12; transition: opacity 0.3s;
}
.adv-card-v16:hover .adv-card-glow { opacity: 0.25; }
.adv-card-v16 .adv-card-icon { box-shadow: none; }

/* V16核心能力矩阵卡片 - 小图标简洁样式 */
.cap-card {
  padding: 24px; border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  text-align: center; transition: all 0.3s;
}
.cap-card:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}
.cap-card .cap-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; color: #fff;
}
.cap-card h3 {
  font-size: 15px; font-weight: 600; margin-bottom: 8px; color: #fff;
}
.cap-card p {
  font-size: 13px; color: rgba(255,255,255,0.4); line-height: 1.6;
}

.adv-card { padding: 32px; border-radius: 16px; position: relative; overflow: hidden; }
.adv-card-glow { position: absolute; top: 0; right: 0; width: 128px; height: 128px; border-radius: 50%; filter: blur(40px); opacity: 0.1; transition: opacity 0.3s; }
.adv-card:hover .adv-card-glow { opacity: 0.2; }
.adv-card-icon { width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; box-shadow: 0 8px 20px rgba(0,0,0,0.2); color: #fff; }
.adv-card-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; transition: color 0.3s; }
.adv-card:hover .adv-card-title { color: #22d3ee; }
.adv-card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.adv-card-tags { display: flex; flex-wrap: wrap; gap: 8px; }

/* 环形进度 */
.metric-ring { display: flex; flex-direction: column; align-items: center; text-align: center; }
.metric-ring-svg { width: 112px; height: 112px; margin-bottom: 16px; }
.metric-ring-svg circle { fill: none; stroke-width: 8; }
.metric-ring-bg { stroke: rgba(255,255,255,0.05); }
.metric-ring-fill { stroke-linecap: round; transition: stroke-dashoffset 1s ease-out; }
.metric-ring-label { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* 流程步骤 */
.process-step { position: relative; }
.process-step-line {
  display: none; position: absolute; top: 50%; right: -8px;
  width: 16px; height: 2px;
  background: linear-gradient(90deg, #06b6d4, #8b5cf6); z-index: 10;
}
@media (min-width: 768px) { .process-step-line { display: block; } }
.process-step-inner { padding: 24px; height: 100%; transition: all 0.3s; }
.process-step-inner:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
.process-step-num { font-size: 30px; font-weight: 700; margin-bottom: 8px; background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.process-step-icon { width: 40px; height: 40px; border-radius: 8px; background: linear-gradient(135deg, #06b6d4, #8b5cf6); display: flex; align-items: center; justify-content: center; color: #fff; margin-bottom: 12px; }

/* 案例卡片 */
.case-card { padding: 40px 32px; text-align: center; position: relative; overflow: hidden; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 16px; }
.case-card-glow { display: none; }
.case-card-game { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 12px; }
.case-card-num { font-size: 48px; font-weight: 700; margin-bottom: 8px; }
@media (min-width: 768px) { .case-card-num { font-size: 56px; } }
.case-card-label { font-size: 13px; color: rgba(255,255,255,0.35); }
.case-card-divider { display: none; }
.case-card-result { display: none; }

/* 直播推广 */
.streamer-card { display: flex; align-items: center; gap: 16px; padding: 20px; border-radius: 16px; cursor: pointer; transition: all 0.3s; }
.streamer-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, #8b5cf6, #ec4899); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 18px; flex-shrink: 0; }
.streamer-info { flex: 1; min-width: 0; }
.streamer-name-wrap { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.streamer-name { font-weight: 600; }
.streamer-star { display: flex; align-items: center; gap: 2px; font-size: 12px; color: #fbbf24; }
.streamer-meta { font-size: 12px; color: rgba(255,255,255,0.4); display: flex; align-items: center; gap: 12px; }
.streamer-meta span { display: flex; align-items: center; gap: 4px; }
.streamer-tag { font-size: 12px; padding: 4px 12px; border-radius: 9999px; background: rgba(6,182,212,0.1); color: #22d3ee; flex-shrink: 0; }

/* 统计条 */
.stat-pill { display: flex; align-items: center; gap: 12px; padding: 16px; border-radius: 12px; }
.stat-pill-icon { width: 40px; height: 40px; border-radius: 8px; background: linear-gradient(135deg, #06b6d4, #8b5cf6); display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0; }
.stat-pill-num { font-size: 18px; font-weight: 700; }
.stat-pill-label { font-size: 12px; color: rgba(255,255,255,0.4); }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; border-radius: 12px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  color: #fff; font-size: 14px; font-family: inherit;
  transition: border-color 0.3s; outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: #06b6d4; }
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,0.2); }
.form-select option { background: #1a1a3e; color: #fff; }
.form-textarea { resize: none; }

/* FAQ */
.faq-item { border-radius: 0; overflow: hidden; margin-bottom: 0; }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px; background: none; border: none; color: #fff;
  font-size: 14px; font-weight: 500; font-family: inherit; cursor: pointer;
  text-align: left;
}
.faq-q-icon { color: rgba(255,255,255,0.3); transition: transform 0.3s, color 0.3s; flex-shrink: 0; margin-left: 12px; }
.faq-item.active .faq-q-icon { transform: rotate(180deg); color: #06b6d4; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-a-inner { padding: 0 20px 20px; font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.7; }

/* 登录 */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; padding-top: var(--nav-height); }
.login-box { width: 100%; max-width: 420px; margin: 0 16px; }
.login-card { padding: 40px; border-radius: 20px; }
.login-logo { display: flex; align-items: center; justify-content: center; margin-bottom: 32px; }
.login-logo img { height: 48px; width: auto; filter: brightness(0) invert(1); }
.login-tabs { display: flex; gap: 4px; padding: 4px; border-radius: 9999px; margin-bottom: 28px; }
.login-tab { flex: 1; padding: 10px; border-radius: 9999px; border: none; background: none; color: rgba(255,255,255,0.4); font-size: 14px; font-weight: 500; font-family: inherit; cursor: pointer; transition: all 0.3s; }
.login-tab.active { background: linear-gradient(135deg, #06b6d4, #8b5cf6); color: #fff; }
.login-agree { font-size: 12px; color: rgba(255,255,255,0.3); text-align: center; margin-top: 12px; }

/* 下载按钮 */
.download-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.2);
  color: rgba(6,182,212,0.8);
  transition: all 0.3s;
}
.download-btn:hover { background: linear-gradient(135deg, #06b6d4, #8b5cf6); color: #fff; border-color: transparent; }

/* 合作伙伴 */
.partner-tag { font-size: 15px; padding: 24px 20px; border-radius: 12px; text-align: center; font-weight: 500; color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); }

/* ============================================
   动画
   ============================================ */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* 滚动显示动画 */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease-out, transform 0.7s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* 粒子 */
.particle { position: absolute; border-radius: 50%; pointer-events: none; animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* 网格布局 */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.grid-6 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 640px) { .grid-6 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-6 { grid-template-columns: repeat(6, 1fr); } }

/* flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.flex-wrap { flex-wrap: wrap; }

/* 文字对齐 */
.text-center { text-align: center; }
.text-left { text-align: left; }

/* 隐藏 */
.hidden { display: none; }
@media (min-width: 1024px) { .lg-block { display: block; } }

/* 间距 */
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-10 { margin-bottom: 40px; }
.mb-12 { margin-bottom: 48px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* 宽度 */
.max-w-md { max-width: 480px; }
.max-w-lg { max-width: 560px; }
.max-w-xl { max-width: 640px; }
.w-full { width: 100%; }

/* 圆角 */
.rounded-2xl { border-radius: 16px; }
.rounded-3xl { border-radius: 24px; }

/* 字号 */
.text-xs { font-size: 12px; }
.text-sm { font-size: 14px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.text-3xl { font-size: 30px; }

/* 字重 */
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

/* 颜色 */
.text-white { color: #fff; }
.text-white-40 { color: rgba(255,255,255,0.4); }
.text-white-30 { color: rgba(255,255,255,0.3); }

/* 分隔线 */
.divider { height: 1px; background: rgba(255,255,255,0.05); margin: 40px 0; }

/* 响应式显隐 */
@media (max-width: 1023px) { .hide-mobile { display: none; } }
@media (min-width: 1024px) { .hide-desktop { display: none; } }

/* Banner */
.banner { position: relative; border-radius: 24px; overflow: hidden; height: 360px; }
@media (min-width: 768px) { .banner { height: 400px; } }
.banner img { width: 100%; height: 100%; object-fit: cover; }
.banner-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 60%, transparent 100%); }
.banner-content { position: absolute; inset: 0; display: flex; align-items: center; padding: 0 40px; }

/* 数字滚动 */
.counter { font-variant-numeric: tabular-nums; }

/* HOT badge */
.badge-hot {
  position: absolute; top: -8px; right: -8px;
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: #fff; font-size: 10px; font-weight: 700;
  padding: 3px 10px; border-radius: 9999px; z-index: 10;
}

/* 评级星星 */
.star { color: #fbbf24; fill: #fbbf24; }

/* 位置 */
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* overflow */
.overflow-hidden { overflow: hidden; }

/* aspect ratio */
.aspect-video { aspect-ratio: 16 / 9; }

/* 截断 */
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================
   Tab 切换
   ============================================ */
.tab-nav { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; justify-content: center; }
.tab-btn {
  padding: 10px 24px; border-radius: 9999px; font-size: 14px; font-weight: 500;
  background: transparent; border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.5); cursor: pointer; transition: all 0.3s;
  font-family: inherit;
}
.tab-btn:hover { border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.8); }
.tab-btn.active {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #fff; border-color: transparent;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ============================================
   FAQ 展开收起
   ============================================ */
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px; background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06); border-radius: 12px;
  color: #fff; font-size: 14px; font-weight: 500;
  font-family: inherit; cursor: pointer; text-align: left; margin-bottom: 8px;
  transition: all 0.3s;
}
.faq-question:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.1); }
.faq-item.active .faq-question { border-color: rgba(139,92,246,0.3); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease-out;
  padding: 0 20px; font-size: 14px; color: rgba(255,255,255,0.5);
  line-height: 1.8; margin-bottom: 8px;
}
.faq-arrow { transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; color: rgba(255,255,255,0.3); }
.faq-item.active .faq-arrow { transform: rotate(180deg); color: #8b5cf6; }

/* ============================================
   对比表格
   ============================================ */
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th,
.compare-table td { padding: 16px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.compare-table th { font-weight: 600; color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.03); }
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.check-dot, .cross-dot {
  display: inline-block; width: 20px; height: 20px; border-radius: 50%;
  margin-right: 8px; vertical-align: middle; flex-shrink: 0;
}
.check-dot { background: linear-gradient(135deg, #10b981, #14b8a6); position: relative; }
.check-dot::after {
  content: ''; position: absolute; top: 5px; left: 8px; width: 5px; height: 9px;
  border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg);
}
.cross-dot { background: rgba(255,255,255,0.08); position: relative; }
.cross-dot::before, .cross-dot::after {
  content: ''; position: absolute; top: 50%; left: 50%; width: 10px; height: 2px;
  background: rgba(255,255,255,0.2);
}
.cross-dot::before { transform: translate(-50%,-50%) rotate(45deg); }
.cross-dot::after { transform: translate(-50%,-50%) rotate(-45deg); }

/* ============================================
   环形进度
   ============================================ */
.progress-ring { position: relative; display: inline-block; }

/* grid-5 */
.grid-5 { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .grid-5 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-5 { grid-template-columns: repeat(5, 1fr); } }

/* ============================================
   登录页面
   ============================================ */
.login-page { display:flex; min-height:100vh; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.login-page::before {
  content:''; position:absolute; top:-20%; left:-10%;
  width:500px; height:500px; border-radius:50%;
  background: radial-gradient(circle, rgba(139,92,246,0.25), transparent 70%);
  filter: blur(80px); pointer-events: none;
}
.login-page::after {
  content:''; position:absolute; bottom:-20%; right:-10%;
  width:600px; height:600px; border-radius:50%;
  background: radial-gradient(circle, rgba(6,182,212,0.18), transparent 70%);
  filter: blur(100px); pointer-events: none;
}
.card-back {
  display:flex; align-items:center; gap:6px;
  font-size:13px; color:rgba(255,255,255,0.4);
  text-decoration:none; transition:color 0.3s;
  margin-bottom:20px;
}
.card-back:hover { color:#fff; }
.login-card {
  width:100%; max-width:420px; margin:0 20px;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 40px 36px;
  position: relative; z-index: 1;
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo img { height: 44px; filter: brightness(0) invert(1); }
.login-tabs {
  display: flex; gap: 4px; padding: 4px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}
.login-tab {
  flex: 1; padding: 10px;
  border-radius: 9999px; border: none;
  background: none;
  color: rgba(255,255,255,0.4);
  font-size: 14px; font-weight: 500;
  font-family: inherit; cursor: pointer;
  transition: all 0.3s; text-align: center;
}
.login-tab.active {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #fff;
}
.login-form { display: none; flex-direction: column; gap: 20px; }
.login-form.active { display: flex; }
.login-label {
  display: block; font-size: 13px; font-weight: 500;
  margin-bottom: 8px; color: rgba(255,255,255,0.6);
}
.login-input {
  width: 100%; padding: 13px 16px; border-radius: 12px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff; font-size: 14px; font-family: inherit;
  outline: none; transition: all 0.3s;
}
.login-input:focus {
  border-color: rgba(139,92,246,0.5);
  background: rgba(255,255,255,0.08);
}
.login-input::placeholder { color: rgba(255,255,255,0.25); }
.btn-login {
  width: 100%; padding: 14px;
  border-radius: 9999px; border: none;
  background: linear-gradient(135deg, #6366f1, #ec4899);
  color: #fff; font-size: 15px; font-weight: 500;
  font-family: inherit; cursor: pointer;
  transition: all 0.3s; margin-top: 4px;
}
.btn-login:hover {
  box-shadow: 0 4px 20px rgba(236,72,153,0.35);
  transform: scale(0.98);
}
.login-agree {
  text-align: center; margin-top: 20px;
  font-size: 12px; color: rgba(255,255,255,0.3);
}
.login-agree a {
  color: rgba(255,255,255,0.5); text-decoration: none;
  transition: color 0.3s;
}
.login-agree a:hover { color: #8b5cf6; }
.login-footer {
  margin-top: 24px;
  padding-top: 16px;
  text-align: center;
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.login-footer .sep { color: rgba(255,255,255,0.1); }

/* ============================================
   回到顶部按钮
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
}
.back-to-top svg {
  width: 18px;
  height: 18px;
}
@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes ring3d {
  0% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg); }
  100% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg); }
}
@keyframes corePulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
@keyframes hexRotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes orbitRotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes scan {
  0% { left: 20%; opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { left: 80%; opacity: 0; }
}
@keyframes glowLine {
  0%, 100% { opacity: 0.3; width: 160px; }
  50% { opacity: 0.8; width: 240px; }
}

/* ===== Hero FX 丰富特效 ===== */
.hero-fx {
  position: relative;
  width: 100%;
  height: 420px;
  perspective: 800px;
  overflow: hidden;
}
/* 多层旋转环 */
.fx-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%) rotateX(70deg);
  transform-style: preserve-3d;
}
.fx-ring.r1 {
  width: 340px; height: 340px;
  border: 2px solid transparent;
  border-top-color: rgba(99,102,241,0.5);
  border-right-color: rgba(139,92,246,0.2);
  animation: fxRing 10s linear infinite;
}
.fx-ring.r2 {
  width: 290px; height: 290px;
  border: 2px solid transparent;
  border-bottom-color: rgba(6,182,212,0.45);
  border-left-color: rgba(59,130,246,0.15);
  animation: fxRing 7s linear infinite reverse;
}
.fx-ring.r3 {
  width: 240px; height: 240px;
  border: 1px solid transparent;
  border-top-color: rgba(236,72,153,0.35);
  border-right-color: rgba(168,85,247,0.15);
  animation: fxRing 5s linear infinite;
}
.fx-ring.r4 {
  width: 190px; height: 190px;
  border: 1px solid transparent;
  border-bottom-color: rgba(16,185,129,0.3);
  border-left-color: rgba(6,182,212,0.1);
  animation: fxRing 4s linear infinite reverse;
}
.fx-ring.r5 {
  width: 140px; height: 140px;
  border: 1px dashed rgba(245,158,11,0.2);
  animation: fxRing 6s linear infinite;
}
@keyframes fxRing {
  0% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(0deg); }
  100% { transform: translate(-50%, -50%) rotateX(70deg) rotateZ(360deg); }
}
/* 核心 */
.fx-core {
  position: absolute;
  top: 50%; left: 50%;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.35), rgba(139,92,246,0.1), transparent);
  box-shadow: 0 0 50px rgba(99,102,241,0.25), 0 0 100px rgba(139,92,246,0.08);
  animation: fxCore 3s ease-in-out infinite;
  transform: translate(-50%, -50%);
}
@keyframes fxCore {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
  50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}
/* 六边形 */
.fx-hex {
  position: absolute;
  top: 50%; left: 50%;
  width: 70px; height: 70px;
  animation: fxHex 15s linear infinite;
  transform: translate(-50%, -50%);
}
.fx-hex2 {
  position: absolute;
  top: 50%; left: 50%;
  width: 50px; height: 50px;
  animation: fxHex 10s linear infinite reverse;
  transform: translate(-50%, -50%);
}
@keyframes fxHex {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
/* 散落光点 */
.fx-dot {
  position: absolute;
  border-radius: 50%;
}
.fx-dot.d1 { width: 6px; height: 6px; top: 15%; left: 25%; background: #6366f1; box-shadow: 0 0 8px #6366f1; animation: fxBlink 2s ease-in-out infinite; }
.fx-dot.d2 { width: 4px; height: 4px; top: 20%; right: 20%; background: #06b6d4; box-shadow: 0 0 6px #06b6d4; animation: fxBlink 2.5s ease-in-out infinite 0.3s; }
.fx-dot.d3 { width: 5px; height: 5px; bottom: 25%; left: 20%; background: #ec4899; box-shadow: 0 0 8px #ec4899; animation: fxBlink 3s ease-in-out infinite 0.6s; }
.fx-dot.d4 { width: 3px; height: 3px; bottom: 20%; right: 25%; background: #f59e0b; box-shadow: 0 0 5px #f59e0b; animation: fxBlink 2.2s ease-in-out infinite 0.9s; }
.fx-dot.d5 { width: 4px; height: 4px; top: 35%; left: 12%; background: #10b981; box-shadow: 0 0 6px #10b981; animation: fxBlink 2.8s ease-in-out infinite 1.2s; }
.fx-dot.d6 { width: 6px; height: 6px; top: 30%; right: 12%; background: #a855f7; box-shadow: 0 0 8px #a855f7; animation: fxBlink 2.4s ease-in-out infinite 0.5s; }
.fx-dot.d7 { width: 3px; height: 3px; bottom: 35%; left: 30%; background: #22d3ee; box-shadow: 0 0 5px #22d3ee; animation: fxBlink 3.2s ease-in-out infinite 0.8s; }
.fx-dot.d8 { width: 5px; height: 5px; bottom: 30%; right: 18%; background: #f472b6; box-shadow: 0 0 7px #f472b6; animation: fxBlink 2.6s ease-in-out infinite 1.5s; }
@keyframes fxBlink {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}
/* 闪烁星星 */
.fx-star {
  position: absolute;
  width: 2px; height: 2px;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
}
.fx-star.s1 { top: 10%; left: 30%; animation: fxStar 3s ease-in-out infinite; }
.fx-star.s2 { top: 15%; right: 35%; animation: fxStar 4s ease-in-out infinite 0.5s; }
.fx-star.s3 { top: 25%; left: 15%; animation: fxStar 3.5s ease-in-out infinite 1s; }
.fx-star.s4 { top: 30%; right: 15%; animation: fxStar 2.5s ease-in-out infinite 1.5s; }
.fx-star.s5 { bottom: 30%; left: 25%; animation: fxStar 3.8s ease-in-out infinite 0.3s; }
.fx-star.s6 { bottom: 25%; right: 30%; animation: fxStar 2.8s ease-in-out infinite 0.8s; }
.fx-star.s7 { bottom: 15%; left: 35%; animation: fxStar 4.2s ease-in-out infinite 1.2s; }
.fx-star.s8 { bottom: 10%; right: 25%; animation: fxStar 3.2s ease-in-out infinite 1.8s; }
.fx-star.s9 { top: 45%; left: 8%; animation: fxStar 2.2s ease-in-out infinite 2s; }
.fx-star.s10 { top: 50%; right: 8%; animation: fxStar 3.6s ease-in-out infinite 0.6s; }
@keyframes fxStar {
  0%, 100% { opacity: 0.1; box-shadow: 0 0 2px rgba(255,255,255,0.2); }
  50% { opacity: 0.8; box-shadow: 0 0 6px rgba(255,255,255,0.5); }
}
/* 轨道卫星 */
.fx-orb {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
}
.fx-orb.o1 { animation: fxOrb 6s linear infinite; }
.fx-orb.o2 { animation: fxOrb 9s linear infinite reverse; }
.fx-orb.o3 { animation: fxOrb 12s linear infinite; }
.fx-orb-dot {
  position: absolute;
  border-radius: 50%;
}
.fx-orb.o1 .fx-orb-dot { width: 10px; height: 10px; top: -5px; left: 120px; background: #6366f1; box-shadow: 0 0 10px #6366f1, 0 0 20px rgba(99,102,241,0.3); }
.fx-orb.o2 .fx-orb-dot { width: 8px; height: 8px; top: -4px; left: 90px; background: #06b6d4; box-shadow: 0 0 8px #06b6d4, 0 0 16px rgba(6,182,212,0.3); }
.fx-orb.o3 .fx-orb-dot { width: 12px; height: 12px; top: -6px; left: -80px; background: #ec4899; box-shadow: 0 0 12px #ec4899, 0 0 24px rgba(236,72,153,0.3); }
@keyframes fxOrb {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
/* 射线 */
.fx-ray {
  position: absolute;
  top: 50%; left: 50%;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(6,182,212,0.2), transparent);
  transform-origin: top center;
}
.fx-ray.ry1 { height: 180px; transform: translate(-50%, 0) rotate(0deg); animation: fxRay 4s ease-in-out infinite; }
.fx-ray.ry2 { height: 140px; transform: translate(-50%, 0) rotate(45deg); animation: fxRay 5s ease-in-out infinite 1s; }
.fx-ray.ry3 { height: 160px; transform: translate(-50%, 0) rotate(90deg); animation: fxRay 6s ease-in-out infinite 2s; }
.fx-ray.ry4 { height: 120px; transform: translate(-50%, 0) rotate(135deg); animation: fxRay 4.5s ease-in-out infinite 0.5s; }
@keyframes fxRay {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.5; }
}
/* 三角形 */
.fx-tri {
  position: absolute;
  animation: fxFloat 8s ease-in-out infinite;
}
.fx-tri.t1 { width: 30px; height: 30px; top: 12%; right: 18%; animation-delay: 0s; }
.fx-tri.t2 { width: 20px; height: 20px; bottom: 18%; left: 22%; animation-delay: 3s; }
/* 方块 */
.fx-sq {
  position: absolute;
  width: 8px; height: 8px;
  border: 1px solid rgba(255,255,255,0.15);
  animation: fxFloat 7s ease-in-out infinite;
}
.fx-sq.q1 { top: 18%; left: 35%; animation-delay: 0.5s; }
.fx-sq.q2 { top: 40%; right: 10%; width: 6px; height: 6px; animation-delay: 2s; }
.fx-sq.q3 { bottom: 28%; right: 22%; animation-delay: 3.5s; }
.fx-sq.q4 { bottom: 22%; left: 18%; width: 5px; height: 5px; border-color: rgba(99,102,241,0.2); animation-delay: 1.5s; }
/* 连接线 */
.fx-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.15), transparent);
  animation: fxLine 5s ease-in-out infinite;
}
.fx-line.l1 { width: 100px; top: 25%; left: 15%; transform: rotate(-15deg); animation-delay: 0s; }
.fx-line.l2 { width: 80px; top: 35%; right: 12%; transform: rotate(20deg); animation-delay: 1.5s; }
.fx-line.l3 { width: 120px; bottom: 30%; left: 20%; transform: rotate(10deg); animation-delay: 3s; }
.fx-line.l4 { width: 60px; bottom: 25%; right: 20%; transform: rotate(-25deg); animation-delay: 2s; }
@keyframes fxFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(5deg); }
}
@keyframes fxLine {
  0%, 100% { opacity: 0.1; }
  50% { opacity: 0.4; }
}