/* ============================================================
   NEXUS_AID · Cyberpunk Stylesheet
   赛博朋克风格：霓虹青/紫/粉 + 黑底 + 故障效果 + HUD边框
   ============================================================ */

/* ---------- CSS 变量：配色 ---------- */
:root {
  --bg-0: #05050d;
  --bg-1: #0a0a18;
  --bg-2: #12122a;
  --bg-card: rgba(15, 15, 35, 0.75);
  --bg-glass: rgba(20, 20, 50, 0.4);

  --neon-cyan:   #00fff7;   /* 霓虹青 */
  --neon-purple: #bf00ff;   /* 霓虹紫 */
  --neon-pink:   #ff00a8;   /* 霓虹粉 */
  --neon-gold:   #ffe23a;   /* 霓虹金黄 */
  --neon-red:    #ff2d55;   /* 霓虹红 */

  --glow-cyan:   0 0 8px #00fff7, 0 0 20px rgba(0,255,247,0.5), 0 0 40px rgba(0,255,247,0.2);
  --glow-purple: 0 0 8px #bf00ff, 0 0 20px rgba(191,0,255,0.5), 0 0 40px rgba(191,0,255,0.2);
  --glow-pink:   0 0 8px #ff00a8, 0 0 20px rgba(255,0,168,0.5), 0 0 40px rgba(255,0,168,0.2);
  --glow-gold:   0 0 8px #ffe23a, 0 0 20px rgba(255,226,58,0.5), 0 0 40px rgba(255,226,58,0.2);

  --text-main: #e6e6fa;
  --text-dim:  #a0a0c0;
  --text-mute: #606088;

  --font-future: 'Orbitron', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body:   'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  --hud-border: rgba(0,255,247,0.35);
}

/* ---------- 全局重置 ---------- */
* { margin:0; padding:0; box-sizing:border-box; }
html, body {
  background: var(--bg-0);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a { color: inherit; text-decoration: none; transition: all .2s; }
ul { list-style: none; }

/* 全局背景：故障网格 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0,255,247,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191,0,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
}
section, nav, footer { position: relative; z-index: 2; }

/* 顶部/底部扫描线 */
.scanline-top, .scanline-bot {
  position: fixed; left: 0; right: 0; height: 2px; z-index: 9999;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
  box-shadow: var(--glow-cyan);
}
.scanline-top { top: 0; animation: scanX 6s linear infinite; }
.scanline-bot { bottom: 0; animation: scanX 6s linear infinite reverse; }
@keyframes scanX { 0% { opacity:0; } 20%{opacity:1;} 80%{opacity:1;} 100%{opacity:0;} }

/* ---------- 通用：按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-future);
  font-weight: 600;
  letter-spacing: 1.5px;
  padding: 14px 28px;
  border: 1px solid var(--neon-cyan);
  background: transparent;
  color: var(--neon-cyan);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all .25s ease;
  text-transform: uppercase;
  font-size: 13px;
  border-radius: 2px;
  text-shadow: var(--glow-cyan);
  box-shadow: inset 0 0 12px rgba(0,255,247,0.1), 0 0 12px rgba(0,255,247,0.15);
}
.btn:hover {
  background: rgba(0,255,247,0.12);
  box-shadow: inset 0 0 18px rgba(0,255,247,0.2), var(--glow-cyan);
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
.btn-neon { /* 默认霓虹青 */ }
.btn-outline-neon {
  border-color: var(--neon-purple);
  color: var(--neon-purple);
  text-shadow: var(--glow-purple);
  box-shadow: inset 0 0 12px rgba(191,0,255,0.1), 0 0 12px rgba(191,0,255,0.15);
}
.btn-outline-neon:hover {
  background: rgba(191,0,255,0.12);
  box-shadow: inset 0 0 18px rgba(191,0,255,0.2), var(--glow-purple);
}

/* 大按钮：产品入口 */
.btn-mega {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 32px;
  font-size: 16px;
  border: none;
  color: #fff;
  background: linear-gradient(135deg, #bf00ff, #00fff7);
  box-shadow: 0 10px 40px rgba(191,0,255,0.5), 0 0 20px rgba(0,255,247,0.3);
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}
.btn-mega::before {
  content: '';
  position: absolute; inset: 2px;
  background: var(--bg-1);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
  z-index: 0;
}
.btn-mega > * { position: relative; z-index: 2; }
.btn-mega .mega-icon {
  font-size: 28px;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  animation: pulse 1.8s ease-in-out infinite;
}
.btn-mega .mega-text {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
  color: #fff;
}
.btn-mega .mega-text strong {
  font-family: var(--font-future);
  letter-spacing: 3px;
  font-size: 17px;
  background: linear-gradient(90deg, var(--neon-cyan), #fff, var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.btn-mega .mega-text small {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-dim);
  font-weight: 500;
}
.btn-mega:hover { transform: translateY(-3px) scale(1.02); }
.neon-purple-bg::after { /* already inside clip */ }

@keyframes pulse { 0%,100% { opacity:1; transform: scale(1);} 50%{opacity:.7; transform: scale(1.15);} }

/* ---------- 通用：霓虹标签 ---------- */
.neon-cyan   { color: var(--neon-cyan);   text-shadow: var(--glow-cyan); }
.neon-purple { color: var(--neon-purple); text-shadow: var(--glow-purple); }
.neon-pink   { color: var(--neon-pink);   text-shadow: var(--glow-pink); }
.neon-gold   { color: var(--neon-gold);   text-shadow: var(--glow-gold); }

.cyber-tag {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--neon-cyan);
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  box-shadow: inset 0 0 8px rgba(0,255,247,0.15);
  background: rgba(0,255,247,0.05);
  border-radius: 2px;
  position: relative;
}
.cyber-tag.neon-purple { border-color: var(--neon-purple); color: var(--neon-purple); text-shadow: var(--glow-purple); box-shadow: inset 0 0 8px rgba(191,0,255,0.15); background: rgba(191,0,255,0.05); }
.cyber-tag.neon-cyan   { border-color: var(--neon-cyan); color: var(--neon-cyan); }
.cyber-tag.neon-pink   { border-color: var(--neon-pink);  color: var(--neon-pink);  text-shadow: var(--glow-pink);  box-shadow: inset 0 0 8px rgba(255,0,168,0.15); background: rgba(255,0,168,0.05); }

/* ---------- 通用：故障文字 Glitch ---------- */
.glitch {
  position: relative;
  color: #fff;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  overflow: hidden;
}
.glitch::before {
  color: var(--neon-cyan);
  transform: translate(2px, 0);
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
  animation: glitch1 3s infinite linear alternate-reverse;
  mix-blend-mode: screen;
}
.glitch::after {
  color: var(--neon-pink);
  transform: translate(-2px, 0);
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
  animation: glitch2 2.5s infinite linear alternate-reverse;
  mix-blend-mode: screen;
}
@keyframes glitch1 {
  0%, 88%, 100% { transform: translate(0); opacity: 0; }
  90%  { transform: translate(3px, -2px); opacity: 1; }
  92%  { transform: translate(-3px, 1px); }
  94%  { transform: translate(2px, 0); }
  96%  { transform: translate(-1px, 2px); }
}
@keyframes glitch2 {
  0%, 85%, 100% { transform: translate(0); opacity: 0; }
  88%  { transform: translate(-4px, 2px); opacity: 1; }
  90%  { transform: translate(3px, -1px); }
  93%  { transform: translate(-2px, 3px); }
  96%  { transform: translate(2px, -2px); }
}

/* ---------- 通用：分区标题 ---------- */
.section-head {
  text-align: center;
  padding: 80px 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.section-code {
  font-family: var(--font-future);
  font-size: 12px;
  color: var(--neon-cyan);
  letter-spacing: 3px;
  margin-bottom: 10px;
  opacity: .8;
}
.section-title {
  font-family: var(--font-future);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 900;
  letter-spacing: 4px;
  margin-bottom: 14px;
  color: #fff;
  display: inline-block;
}
.section-subtitle {
  font-family: var(--font-future);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 2px;
}

/* ============================================================
   导航栏
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(5, 5, 13, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,255,247,0.25);
  box-shadow: 0 4px 30px rgba(0,0,0,0.6), 0 0 20px rgba(0,255,247,0.08);
}
.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-icon {
  font-size: 32px;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  animation: spin 8s linear infinite;
}
@keyframes spin { 0%{transform: rotate(0);} 100%{transform: rotate(360deg);} }
.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main {
  font-family: var(--font-future);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  color: #fff;
  text-shadow: 0 0 10px rgba(191,0,255,0.6), 0 0 20px rgba(0,255,247,0.4);
}
.logo-accent { color: var(--neon-purple); text-shadow: var(--glow-purple); animation: blink 1.5s infinite; }
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0.2;} }
.logo-sub {
  font-family: var(--font-future);
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--neon-cyan);
  opacity: .85;
  margin-top: 2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  position: relative;
  padding: 8px 18px;
  font-family: var(--font-future);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--text-dim);
  transition: all .2s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 1px;
  background: var(--neon-cyan);
  box-shadow: var(--glow-cyan);
  transition: all .3s;
  transform: translateX(-50%);
}
.nav-link:hover::after { width: 60%; }

.nav-actions .btn { padding: 10px 22px; font-size: 12px; }

/* ============================================================
   HERO 横幅
   ============================================================ */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.2) contrast(1.1) brightness(0.75);
  transform: scale(1.05);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,255,247,0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191,0,255,0.15) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: linear-gradient(to bottom, transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 15%, #000 85%, transparent);
  z-index: 2;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove { 0% { background-position: 0 0;} 100% { background-position: 50px 50px;} }
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(191,0,255,0.5) 0%, transparent 40%),
    linear-gradient(225deg, rgba(0,255,247,0.5) 0%, transparent 40%),
    linear-gradient(to top, var(--bg-0) 10%, transparent 40%),
    linear-gradient(to bottom, rgba(0,0,0,0.6) 0%, transparent 30%);
  z-index: 3;
}
.hero-vignette {
  position: absolute; inset: 0;
  box-shadow: inset 0 0 200px 60px rgba(0,0,0,0.9);
  z-index: 4;
}
.hero-noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/></svg>");
  opacity: .08;
  z-index: 5;
  pointer-events: none;
  mix-blend-mode: overlay;
}
.hero-scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(0,0,0,0.25) 3px,
    rgba(0,0,0,0.25) 4px
  );
  z-index: 6;
  pointer-events: none;
  opacity: .5;
}

/* HUD 四角 */
.hud-corner {
  position: absolute;
  width: 80px; height: 80px;
  z-index: 10;
  border: 2px solid var(--neon-cyan);
  opacity: .85;
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}
.hud-corner.tl { top: 30px;    left: 30px;  border-right: none; border-bottom: none; }
.hud-corner.tr { top: 30px;    right: 30px; border-left: none;  border-bottom: none; border-color: var(--neon-purple); filter: drop-shadow(0 0 4px var(--neon-purple)); }
.hud-corner.bl { bottom: 30px; left: 30px;  border-right: none; border-top: none;    border-color: var(--neon-purple); filter: drop-shadow(0 0 4px var(--neon-purple)); }
.hud-corner.br { bottom: 30px; right: 30px; border-left: none;  border-top: none; }

/* Hero 内容 */
.hero-content {
  position: relative;
  z-index: 20;
  max-width: 1200px;
  text-align: center;
}
.hero-badge-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  animation: fadeInUp .8s ease;
}
.hero-title {
  font-family: var(--font-future);
  font-size: clamp(26px, 5vw, 54px);
  font-weight: 900;
  letter-spacing: 3px;
  line-height: 1.25;
  margin-bottom: 20px;
  animation: fadeInUp 1s ease 0.1s backwards;
  background: linear-gradient(135deg, #fff 0%, var(--neon-cyan) 40%, var(--neon-purple) 70%, var(--neon-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0,255,247,0.4));
}
.hero-subtitle {
  font-size: clamp(13px, 1.5vw, 16px);
  color: var(--text-main);
  letter-spacing: 2px;
  margin-bottom: 36px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  animation: fadeInUp 1s ease 0.2s backwards;
  line-height: 2;
}
.hero-subtitle::before,
.hero-subtitle::after {
  content: ' ⟨ ';
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  font-family: var(--font-future);
}
.hero-subtitle::after { content: ' ⟩ '; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 统计 */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 0 auto 40px;
  flex-wrap: wrap;
  max-width: 1000px;
  padding: 24px 20px;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0,255,247,0.2);
  position: relative;
  animation: fadeInUp 1s ease 0.3s backwards;
}
.hero-stats::before,
.hero-stats::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border: 2px solid var(--neon-cyan);
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}
.hero-stats::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.hero-stats::after  { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.stat-item {
  flex: 1;
  min-width: 140px;
  padding: 10px 20px;
  text-align: center;
}
.stat-num {
  font-family: var(--font-future);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: 2px;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--neon-purple), transparent);
  opacity: .6;
}

/* Hero 按钮行 */
.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
  animation: fadeInUp 1s ease 0.4s backwards;
}

/* 下滚提示 */
.hero-scroll {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--neon-cyan);
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 3px;
  text-shadow: var(--glow-cyan);
  animation: fadeInUp 1s ease 0.6s backwards, bounce 2s 1s infinite;
  opacity: .9;
}
.scroll-line {
  display: block;
  width: 60px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan));
}
.scroll-line:last-child { background: linear-gradient(90deg, var(--neon-cyan), transparent); }
.scroll-text { animation: blink 1.8s infinite; }
@keyframes bounce { 0%,100%{transform: translateY(0);} 50%{transform: translateY(6px);} }

/* ============================================================
   产品卡片区域
   ============================================================ */
.products {
  background: linear-gradient(to bottom, transparent 0%, var(--bg-1) 5%, var(--bg-1) 95%, transparent 100%);
  padding-bottom: 80px;
}
.filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0 20px 40px;
  max-width: 1200px;
  margin: 0 auto;
}
.filter-btn {
  padding: 10px 24px;
  border: 1px solid rgba(0,255,247,0.4);
  background: rgba(0,255,247,0.04);
  color: var(--text-dim);
  font-family: var(--font-future);
  font-size: 12px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all .25s;
  border-radius: 2px;
  position: relative;
}
.filter-btn.neon-cyan { }
.filter-btn.neon-purple { border-color: rgba(191,0,255,0.4); background: rgba(191,0,255,0.04); }
.filter-btn.neon-pink   { border-color: rgba(255,0,168,0.4); background: rgba(255,0,168,0.04); }
.filter-btn.neon-gold   { border-color: rgba(255,226,58,0.4); background: rgba(255,226,58,0.04); }

.filter-btn:hover { transform: translateY(-2px); }
.filter-btn.neon-cyan:hover { color: var(--neon-cyan); border-color: var(--neon-cyan); box-shadow: var(--glow-cyan); text-shadow: var(--glow-cyan); background: rgba(0,255,247,0.1); }
.filter-btn.neon-purple:hover { color: var(--neon-purple); border-color: var(--neon-purple); box-shadow: var(--glow-purple); text-shadow: var(--glow-purple); background: rgba(191,0,255,0.1); }
.filter-btn.neon-pink:hover { color: var(--neon-pink); border-color: var(--neon-pink); box-shadow: var(--glow-pink); text-shadow: var(--glow-pink); background: rgba(255,0,168,0.1); }
.filter-btn.neon-gold:hover { color: var(--neon-gold); border-color: var(--neon-gold); box-shadow: var(--glow-gold); text-shadow: var(--glow-gold); background: rgba(255,226,58,0.1); }

.filter-btn.active {
  background: linear-gradient(135deg, rgba(0,255,247,0.2), rgba(191,0,255,0.2));
  border-color: #fff;
  color: #fff;
  box-shadow: 0 0 16px rgba(255,255,255,0.3);
}

/* 产品网格 */
.products-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* 单张产品卡 */
.product-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0,255,247,0.25);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all .4s cubic-bezier(.2,.8,.2,1);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
  transition: left .6s;
  z-index: 5;
}
.product-card:hover {
  transform: translateY(-8px);
  border-color: var(--neon-cyan);
  box-shadow: 0 20px 60px rgba(0,255,247,0.25), 0 0 30px rgba(191,0,255,0.2);
}
.product-card:hover::before { left: 100%; }
.product-card.neon-purple-card { border-color: rgba(191,0,255,0.3); }
.product-card.neon-purple-card:hover { border-color: var(--neon-purple); box-shadow: 0 20px 60px rgba(191,0,255,0.3), 0 0 30px rgba(0,255,247,0.2); }
.product-card.neon-pink-card { border-color: rgba(255,0,168,0.3); }
.product-card.neon-pink-card:hover { border-color: var(--neon-pink); box-shadow: 0 20px 60px rgba(255,0,168,0.3), 0 0 30px rgba(191,0,255,0.2); }
.product-card.neon-gold-card { border-color: rgba(255,226,58,0.3); }
.product-card.neon-gold-card:hover { border-color: var(--neon-gold); box-shadow: 0 20px 60px rgba(255,226,58,0.3), 0 0 30px rgba(255,0,168,0.2); }

/* 角标（主播推荐、热门等） */
.product-badge {
  position: absolute;
  top: 16px; left: -8px;
  padding: 6px 18px 6px 14px;
  font-family: var(--font-future);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  z-index: 3;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 0 100%);
  text-shadow: 0 0 6px rgba(0,0,0,0.8);
}
.product-badge.top   { background: linear-gradient(135deg, var(--neon-gold), #ff7300); color: #0a0a0a; }
.product-badge.hot   { background: linear-gradient(135deg, var(--neon-pink), var(--neon-red)); color: #fff; }
.product-badge.new   { background: linear-gradient(135deg, var(--neon-cyan), #0066ff); color: #0a0a0a; }
.product-badge.ud    { background: linear-gradient(135deg, var(--neon-purple), #5500ff); color: #fff; }

/* 图片区 */
.product-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0a20, #1a0a25);
  border-bottom: 1px solid rgba(0,255,247,0.2);
}
.product-img-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,255,247,0.15) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(191,0,255,0.15) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(to top, transparent, #000 60%);
  -webkit-mask-image: linear-gradient(to top, transparent, #000 60%);
  pointer-events: none;
}
.product-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
  filter: saturate(1.2) contrast(1.1) brightness(.9);
}
.product-card:hover .product-img { transform: scale(1.1); }

/* 状态条（代替之前的"在线可接"） */
.product-status {
  position: absolute;
  top: 16px; right: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--neon-gold);
  font-family: var(--font-future);
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--neon-gold);
  text-shadow: var(--glow-gold);
  z-index: 3;
  border-radius: 2px;
}
.product-status.offline { border-color: var(--text-mute); color: var(--text-mute); text-shadow: none; }
.status-indicator {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--neon-gold);
  box-shadow: var(--glow-gold);
  animation: pulse 1.5s infinite;
}
.product-status.offline .status-indicator { background: var(--text-mute); box-shadow: none; animation: none; }

/* 信息区 */
.product-info {
  padding: 22px 22px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.product-name {
  font-family: var(--font-future);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  line-height: 1.25;
  margin-top: 4px;
}
.product-code {
  font-family: var(--font-future);
  font-size: 10px;
  color: var(--neon-cyan);
  letter-spacing: 2.5px;
  opacity: .85;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: 8px;
}
.rating-stars {
  color: var(--neon-gold);
  text-shadow: var(--glow-gold);
  font-size: 14px;
  letter-spacing: 2px;
}
.rating-score {
  font-family: var(--font-future);
  font-size: 14px;
  font-weight: 700;
  color: var(--neon-gold);
  text-shadow: var(--glow-gold);
}
.rating-count {
  font-size: 12px;
  color: var(--text-dim);
}

/* 功能标签 */
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.5px;
  border-radius: 2px;
  font-family: var(--font-future);
}
.product-tag.feature {
  background: rgba(0,255,247,0.08);
  border: 1px solid rgba(0,255,247,0.35);
  color: var(--neon-cyan);
}
.product-tag.game {
  background: rgba(191,0,255,0.08);
  border: 1px solid rgba(191,0,255,0.35);
  color: var(--neon-purple);
}

/* 简介 */
.product-bio {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-dim);
  margin: 4px 0;
  padding-top: 4px;
  border-top: 1px dashed rgba(0,255,247,0.15);
}

/* 底部：价格 + 按钮 */
.product-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  margin-top: auto;
  border-top: 1px solid rgba(191,0,255,0.2);
}
.product-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.price-amount {
  font-family: var(--font-future);
  font-size: 30px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(255,0,168,0.4));
}
.price-amount small {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  -webkit-text-fill-color: var(--text-dim);
}
.price-label {
  font-family: var(--font-future);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text-mute);
}
.buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(0,255,247,0.15), rgba(191,0,255,0.15));
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-family: var(--font-future);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: var(--glow-cyan);
  box-shadow: inset 0 0 12px rgba(0,255,247,0.15);
  cursor: pointer;
  transition: all .25s;
  border-radius: 2px;
  text-decoration: none;
  white-space: nowrap;
}
.buy-btn svg { width: 14px; height: 14px; }
.buy-btn:hover {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
  color: #0a0a0a;
  text-shadow: none;
  border-color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,255,247,0.4);
}
.product-card.neon-purple-card .buy-btn { border-color: var(--neon-purple); color: var(--neon-purple); text-shadow: var(--glow-purple); box-shadow: inset 0 0 12px rgba(191,0,255,0.15); background: linear-gradient(135deg, rgba(191,0,255,0.1), rgba(255,0,168,0.1)); }
.product-card.neon-purple-card .buy-btn:hover { background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink)); color: #fff; border-color: #fff; }

.product-card.neon-pink-card .buy-btn { border-color: var(--neon-pink); color: var(--neon-pink); text-shadow: var(--glow-pink); box-shadow: inset 0 0 12px rgba(255,0,168,0.15); background: linear-gradient(135deg, rgba(255,0,168,0.1), rgba(255,226,58,0.1)); }
.product-card.neon-pink-card .buy-btn:hover { background: linear-gradient(135deg, var(--neon-pink), var(--neon-gold)); color: #0a0a0a; border-color: #fff; }

.product-card.neon-gold-card .buy-btn { border-color: var(--neon-gold); color: var(--neon-gold); text-shadow: var(--glow-gold); box-shadow: inset 0 0 12px rgba(255,226,58,0.15); background: linear-gradient(135deg, rgba(255,226,58,0.1), rgba(0,255,247,0.1)); }
.product-card.neon-gold-card .buy-btn:hover { background: linear-gradient(135deg, var(--neon-gold), var(--neon-cyan)); color: #0a0a0a; border-color: #fff; }

/* 入场动画 */
.product-card { opacity: 0; transform: translateY(30px); }
.product-card.visible { opacity: 1; transform: translateY(0); transition: all .7s cubic-bezier(.2,.8,.2,1); }

/* ============================================================
   功能特点区
   ============================================================ */
.features { padding-bottom: 100px; }
.features-grid {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0,255,247,0.2);
  padding: 36px 28px 28px;
  position: relative;
  transition: all .3s;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 15px 50px rgba(0,255,247,0.2);
  border-color: var(--neon-cyan);
}
.feature-icon {
  font-size: 40px;
  margin-bottom: 16px;
  line-height: 1;
}
.feature-title {
  font-family: var(--font-future);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 12px;
}
.feature-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.feature-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
  border-radius: 2px;
  position: relative;
}
.feature-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  box-shadow: 0 0 12px var(--neon-cyan);
  position: relative;
}

/* ============================================================
   联系我们区
   ============================================================ */
.contact {
  background: linear-gradient(to bottom, transparent 0%, var(--bg-1) 5%, var(--bg-1) 95%, transparent 100%);
  padding-bottom: 100px;
}
.contact-grid {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.contact-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(0,255,247,0.3);
  padding: 50px 36px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all .3s;
}
.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,255,247,0.25);
}
.contact-card.neon-purple { border-color: rgba(191,0,255,0.3); }
.contact-card.neon-purple:hover { box-shadow: 0 20px 60px rgba(191,0,255,0.3); }

.cc-glow {
  position: absolute;
  top: -60%; left: -60%;
  width: 220%; height: 220%;
  background: radial-gradient(circle at center, rgba(0,255,247,0.15), transparent 60%);
  animation: spin 15s linear infinite;
  pointer-events: none;
  z-index: 0;
}
.contact-card.neon-purple .cc-glow { background: radial-gradient(circle at center, rgba(191,0,255,0.15), transparent 60%); }
.cc-corner {
  position: absolute;
  width: 30px; height: 30px;
  border: 2px solid var(--neon-cyan);
  opacity: .8;
  z-index: 2;
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}
.cc-corner.tl { top: 14px; left: 14px; border-right: none; border-bottom: none; }
.cc-corner.tr { top: 14px; right: 14px; border-left: none; border-bottom: none; }
.cc-corner.bl { bottom: 14px; left: 14px; border-right: none; border-top: none; }
.cc-corner.br { bottom: 14px; right: 14px; border-left: none; border-top: none; }
.contact-card.neon-purple .cc-corner { border-color: var(--neon-purple); filter: drop-shadow(0 0 4px var(--neon-purple)); }

.cc-icon {
  font-size: 48px;
  color: var(--neon-cyan);
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 0 16px var(--neon-cyan));
}
.cc-icon svg { width: 56px; height: 56px; }
.contact-card.neon-purple .cc-icon { color: var(--neon-purple); filter: drop-shadow(0 0 16px var(--neon-purple)); }

.cc-title {
  font-family: var(--font-future);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
}
.cc-value {
  font-family: var(--font-future);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 6px;
  position: relative;
  z-index: 2;
}
.contact-card.neon-purple .cc-value { color: var(--neon-purple); text-shadow: var(--glow-purple); }
.cc-hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 24px;
  letter-spacing: 1px;
  position: relative;
  z-index: 2;
}

/* ================ 二维码框 ================ */
.qr-wrap {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 18px;
  padding: 10px;
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  z-index: 2;
  box-shadow: inset 0 0 20px rgba(0,255,247,0.08);
  border-radius: 2px;
}
.qr-wrap::before {
  content: '';
  position: absolute;
  inset: -4px;
  border: 1px dashed rgba(0,255,247,0.2);
  pointer-events: none;
  border-radius: 4px;
}
.contact-card.neon-purple .qr-wrap::before {
  border-color: rgba(191,0,255,0.25);
}
.qr-corner {
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--neon-cyan);
  filter: drop-shadow(0 0 4px var(--neon-cyan));
  z-index: 3;
}
.qr-corner.tl { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.qr-corner.tr { top: -2px; right: -2px; border-left: none; border-bottom: none; }
.qr-corner.bl { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.qr-corner.br { bottom: -2px; right: -2px; border-left: none; border-top: none; }
.contact-card.neon-purple .qr-corner {
  border-color: var(--neon-purple);
  filter: drop-shadow(0 0 4px var(--neon-purple));
}
.qr-img {
  width: 100%;
  height: auto;
  display: block;
  background: #0a0a1a;
  border: 1px solid rgba(255,255,255,0.05);
}
.qr-label {
  text-align: center;
  margin-top: 10px;
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 2px;
}

/* ================ / 二维码框 ================ */

/* ============================================================
   页脚
   ============================================================ */
.footer {
  border-top: 1px solid rgba(0,255,247,0.2);
  padding: 60px 30px 30px;
  background: rgba(0,0,0,0.6);
}
.footer-grid {
  max-width: 1300px;
  margin: 0 auto 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-logo {
  font-family: var(--font-future);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 4px;
  color: #fff;
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
  letter-spacing: 1px;
}
.footer-title {
  font-family: var(--font-future);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--neon-cyan);
  margin-bottom: 16px;
  text-shadow: var(--glow-cyan);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-dim);
  transition: all .2s;
  letter-spacing: 1px;
}
.footer-links a:hover {
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  padding-left: 8px;
}
.footer-bottom {
  max-width: 1300px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px dashed rgba(0,255,247,0.2);
  text-align: center;
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-mute);
  line-height: 2;
}
.footer-tagline {
  margin-top: 8px;
  color: var(--neon-cyan);
  opacity: .7;
  letter-spacing: 4px;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  top: 90px; left: 50%;
  transform: translateX(-50%) translateY(-20px);
  padding: 14px 28px;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--neon-cyan);
  color: var(--neon-cyan);
  font-family: var(--font-future);
  font-size: 13px;
  letter-spacing: 2px;
  text-shadow: var(--glow-cyan);
  box-shadow: var(--glow-cyan);
  z-index: 99999;
  transition: all .4s;
  opacity: 0;
  pointer-events: none;
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.hidden { display: none; }

/* ============================================================
   响应式：移动端
   ============================================================ */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 0 20px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 0 20px; }
}
@media (max-width: 768px) {
  /* 导航 */
  .nav-container { padding: 12px 16px; gap: 10px; }
  .nav-links { display: none; }
  .logo-main { font-size: 16px; letter-spacing: 2px; }
  .logo-sub  { display: none; }
  .nav-actions .btn { padding: 8px 14px; font-size: 11px; }

  /* HUD 四角缩小 */
  .hud-corner { width: 40px; height: 40px; }
  .hud-corner.tl, .hud-corner.bl { left: 14px; }
  .hud-corner.tr, .hud-corner.br { right: 14px; }
  .hud-corner.tl, .hud-corner.tr { top: 80px; }
  .hud-corner.bl, .hud-corner.br { bottom: 14px; }

  /* Hero */
  .hero { padding: 100px 14px 60px; }
  .hero-badge-row { gap: 8px; margin-bottom: 16px; }
  .cyber-tag { font-size: 10px; padding: 4px 10px; letter-spacing: 1px; }
  .hero-title { letter-spacing: 2px; font-size: 24px; }
  .hero-subtitle { letter-spacing: 1px; font-size: 13px; padding: 0 10px; }
  .hero-stats { padding: 18px 12px; gap: 0; }
  .stat-item { min-width: 50%; padding: 10px; }
  .stat-divider:nth-child(2), .stat-divider:nth-child(6) { display: block; }
  .stat-divider { display: none; }
  .hero-actions { flex-direction: column; padding: 0 10px; }
  .hero-actions .btn { width: 100%; }
  .btn-mega { padding: 14px 20px; font-size: 14px; }
  .mega-text strong { font-size: 14px; letter-spacing: 2px; }
  .hero-scroll { display: none; }

  /* 产品 */
  .products-grid { grid-template-columns: 1fr; padding: 0 16px; gap: 18px; }
  .section-head { padding: 50px 16px 30px; }
  .section-title { letter-spacing: 2px; }
  .filter-bar { padding: 0 16px 30px; gap: 8px; }
  .filter-btn { padding: 8px 14px; font-size: 11px; letter-spacing: 1px; }

  .product-info { padding: 18px 18px 16px; }
  .product-name { font-size: 17px; letter-spacing: 1px; }
  .product-footer { flex-direction: column; align-items: flex-start; }
  .buy-btn { width: 100%; justify-content: center; }

  /* 功能 */
  .features-grid { grid-template-columns: 1fr; padding: 0 16px; gap: 16px; }
  .feature-card { padding: 28px 22px 22px; }

  /* 联系 */
  .contact-grid { grid-template-columns: 1fr; padding: 0 16px; gap: 18px; }
  .contact-card { padding: 36px 22px 24px; }
  .cc-value { font-size: 20px; letter-spacing: 2px; }

  /* 页脚 */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer { padding: 40px 20px 20px; }
}

/* ============================================================
   收藏引导弹窗（赛博朋克风格）
   ============================================================ */
.bm-modal { position: fixed; inset: 0; z-index: 99999; }
.bm-modal.hidden { display: none !important; }
.bm-mask {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: bmFade .25s ease forwards;
}
@keyframes bmFade { from { opacity: 0; } to { opacity: 1; } }

.bm-card {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(92vw, 440px);
  background: linear-gradient(180deg, #12122a 0%, #0a0a18 100%);
  border: 1px solid rgba(0,255,247,0.45);
  border-radius: 4px;
  padding: 32px 26px 22px;
  color: #fff;
  box-shadow:
    0 0 30px rgba(191,0,255,0.4),
    0 0 60px rgba(0,255,247,0.18),
    inset 0 0 24px rgba(0,255,247,0.06);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  animation: bmPop .3s cubic-bezier(.2,.9,.3,1.2) forwards;
}
@keyframes bmPop { from { transform: translate(-50%,-50%) scale(.92); opacity: 0; } to { transform: translate(-50%,-50%) scale(1); opacity: 1; } }

.bm-corner {
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--neon-cyan);
  filter: drop-shadow(0 0 4px var(--neon-cyan));
}
.bm-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.bm-corner.tr { top: -1px; right: -1px; border-left: none; border-bottom: none; }
.bm-corner.bl { bottom: -1px; left: -1px; border-right: none; border-top: none; }
.bm-corner.br { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.bm-close {
  position: absolute;
  top: 10px; right: 14px;
  font-size: 26px; line-height: 1;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  user-select: none;
  transition: color .15s ease, transform .15s ease;
}
.bm-close:hover { color: var(--neon-cyan); transform: rotate(90deg); }

.bm-brand {
  text-align: center;
  font-family: var(--font-future);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--neon-gold);
  text-shadow: var(--glow-gold);
  margin-bottom: 12px;
}
.bm-title {
  text-align: center;
  font-family: var(--font-future);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 2px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}
.bm-sub {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 22px;
}

.bm-btns { display: flex; flex-direction: column; gap: 12px; }
.bm-btns.hidden { display: none !important; }

.bm-btn {
  display: flex; align-items: center; gap: 14px;
  width: 100%;
  padding: 14px 16px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  text-align: left;
  border-radius: 4px;
  transition: all .2s ease;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.bm-btn:hover { transform: translateX(4px); }
.bm-btn:active { transform: translateX(2px) scale(.99); }

.bm-btn-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 38px; height: 38px;
  font-size: 20px;
  border-radius: 50%;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.2);
}
.bm-btn-text { display: flex; flex-direction: column; gap: 2px; }
.bm-btn-text b {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
}
.bm-btn-text small {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  letter-spacing: .5px;
}

.bm-btn-cyan {
  border-color: rgba(0,255,247,0.5);
  box-shadow: 0 0 12px rgba(0,255,247,0.15), inset 0 0 12px rgba(0,255,247,0.06);
}
.bm-btn-cyan .bm-btn-icon { color: var(--neon-cyan); border-color: var(--neon-cyan); box-shadow: 0 0 10px rgba(0,255,247,0.5); }
.bm-btn-cyan:hover { border-color: var(--neon-cyan); box-shadow: 0 0 20px rgba(0,255,247,0.4), inset 0 0 16px rgba(0,255,247,0.1); }

.bm-btn-purple {
  border-color: rgba(191,0,255,0.5);
  box-shadow: 0 0 12px rgba(191,0,255,0.15), inset 0 0 12px rgba(191,0,255,0.06);
}
.bm-btn-purple .bm-btn-icon { color: var(--neon-purple); border-color: var(--neon-purple); box-shadow: 0 0 10px rgba(191,0,255,0.5); }
.bm-btn-purple:hover { border-color: var(--neon-purple); box-shadow: 0 0 20px rgba(191,0,255,0.4), inset 0 0 16px rgba(191,0,255,0.1); }

.bm-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255,255,255,0.12);
  text-align: center;
}
.bm-noshow {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  cursor: pointer;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.bm-noshow input { accent-color: var(--neon-cyan); }

/* ---------- 收藏引导子卡片 ---------- */
.bm-guide {
  margin-top: 16px;
  padding: 16px 14px;
  background: linear-gradient(135deg, rgba(0,255,247,0.08), rgba(191,0,255,0.08));
  border: 1px solid rgba(0,255,247,0.4);
  border-radius: 4px;
  text-align: center;
  animation: bmGuidePop .35s cubic-bezier(.2,.9,.3,1.2);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.bm-guide.hidden { display: none !important; }
@keyframes bmGuidePop {
  from { transform: scale(.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.bm-guide-arrow {
  font-size: 24px;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
  animation: bmArrowBounce 1s ease-in-out infinite;
  margin-bottom: 6px;
}
@keyframes bmArrowBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

.bm-guide-title {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.bm-guide-keys {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}
.bm-guide-keys kbd {
  display: inline-block;
  min-width: 36px;
  padding: 8px 12px;
  font-family: var(--font-future);
  font-size: 18px;
  font-weight: 700;
  color: var(--neon-cyan);
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--neon-cyan);
  border-radius: 6px;
  box-shadow:
    0 2px 0 var(--neon-cyan),
    0 0 12px rgba(0,255,247,0.5),
    inset 0 0 8px rgba(0,255,247,0.15);
  text-shadow: var(--glow-cyan);
}

.bm-guide-tip {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
  line-height: 1.6;
}

.bm-guide-alt {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  padding-top: 8px;
  border-top: 1px dashed rgba(255,255,255,0.12);
}
.bm-guide-alt b { color: var(--neon-gold); }

/* ---------- 手机端分步引导 ---------- */
.bm-mobile-guide .bm-guide-title { margin-bottom: 14px; }

.bm-steps { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; }

.bm-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(0,255,247,0.25);
  border-radius: 4px;
  text-align: left;
  animation: bmStepIn .3s ease forwards;
  opacity: 0;
}
.bm-step:nth-child(1) { animation-delay: .05s; }
.bm-step:nth-child(2) { animation-delay: .15s; }
.bm-step:nth-child(3) { animation-delay: .25s; }
@keyframes bmStepIn {
  from { transform: translateX(-8px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.bm-step-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  font-family: var(--font-future);
  font-size: 14px;
  font-weight: 900;
  color: #0a0a1a;
  background: var(--neon-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0,255,247,0.6);
}

.bm-step-text {
  flex: 1;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
}
.bm-step-text b { font-weight: 700; }

.bm-step-icon {
  display: inline-block;
  font-size: 16px;
  padding: 0 4px;
}

/* 移动端弹窗适配 */
@media (max-width: 768px) {
  .bm-card { padding: 28px 20px 18px; width: 92vw; }
  .bm-title { font-size: 17px; }
  .bm-sub { font-size: 12px; margin-bottom: 18px; }
  .bm-btn { padding: 12px 14px; gap: 12px; }
  .bm-btn-icon { width: 34px; height: 34px; font-size: 18px; }
  .bm-btn-text b { font-size: 14px; }
  .bm-btn-text small { font-size: 10px; }
}