/* 基础与主题变量 */
:root {
  --bg-dark: #05060a;
  --text: #e6f1ff;
  --muted: #9aa4b2;
  --primary: #5ce1e6; /* 霓虹青色 */
  --primary-weak: rgba(92, 225, 230, 0.25);
  --accent: #b26cff; /* 霓虹紫 */
  --danger: #ff3b6b;
  --glass: rgba(5, 6, 10, 0.55);
  --border: rgba(255, 255, 255, 0.12);
  --glow: 0 0 40px rgba(92, 225, 230, 0.35), 0 0 8px rgba(92, 225, 230, 0.6);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg-dark);
  font-family: 'Sora', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* 背景视频与遮罩 */
.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  filter: contrast(1.05) saturate(1.1) brightness(0.9);
}
.bg-overlay {
  position: fixed;
  inset: 0;
  background: radial-gradient(1000px 600px at 30% 40%, rgba(92,225,230,0.18), transparent 60%),
              radial-gradient(800px 500px at 75% 60%, rgba(178,108,255,0.12), transparent 60%),
              linear-gradient(to bottom, rgba(0,0,0,0.25), rgba(0,0,0,0.55));
  z-index: -1;
  pointer-events: none;
}

/* 主题色霓虹滤镜覆盖层（叠加在视频之上） */
.bg-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 800px at 25% 30%, rgba(92,225,230,0.25), transparent 60%),
    radial-gradient(1000px 700px at 80% 65%, rgba(178,108,255,0.22), transparent 60%),
    linear-gradient(180deg, rgba(0, 8, 12, 0.25), rgba(0, 0, 0, 0.35));
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Hero 布局 */
.hero {
  display: grid;
  grid-template-columns: minmax(360px, 820px) 1fr;
  gap: 4vw;
  align-items: stretch;
  min-height: 100vh;
  padding: 6vh 6vw;
}
.hero-left { display: flex; flex-direction: column; gap: 20px; }
.hero-right { /* 右侧预留形象区，占位保持视频可见 */ }

/* 品牌与标语 */
.brand-block { text-shadow: 0 0 6px rgba(92, 225, 230, 0.3); }
.brand-head { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 56px; height: 56px; object-fit: contain; display: inline-block; filter: drop-shadow(0 0 14px rgba(92,225,230,0.45)); }
.brand {
  margin: 0 0 6px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: clamp(28px, 4vw, 44px);
  color: var(--primary);
}
.tagline {
  margin: 0;
  color: #cfeff1;
  font-size: clamp(12px, 1.6vw, 15px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-block;
  padding: 8px 12px;
  border: 1px solid rgba(92,225,230,0.35);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(8,16,18,0.6), rgba(8,16,18,0.3));
  box-shadow: 0 0 0 1px rgba(255,255,255,0.03) inset, 0 0 30px rgba(92,225,230,0.15);
}

/* 聊天模块 */
.chat {
  display: grid;
  grid-template-columns: 1fr 240px;
  grid-template-rows: auto 1fr auto auto;
  grid-template-areas:
    'bots side'
    'log side'
    'input side'
    'hints side';
  gap: 14px;
  height: min(72vh, 860px);
  padding: 20px;
  background: linear-gradient(180deg, rgba(7,10,18,0.7), rgba(7,10,18,0.45));
  border: 1px solid var(--border);
  border-radius: 14px;
  backdrop-filter: blur(8px) saturate(120%);
  box-shadow: 0 10px 60px rgba(0,0,0,0.5), inset 0 0 0 1px rgba(255,255,255,0.02);
}
.chat-bots {
  grid-area: bots;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.chat-bots .bot-avatar { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; background: rgba(12,16,24,0.5); border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset; overflow: hidden; }
.chat-bots .bot-avatar.disabled { cursor: pointer; }
.chat-bots .bot-avatar img { width: 70%; height: 70%; object-fit: contain; filter: drop-shadow(0 0 10px rgba(92,225,230,0.4)); }
.chat-bots .bot-avatar.disabled img { filter: grayscale(1) opacity(0.5); }
.chat-bots .bot-avatar.active { box-shadow: 0 0 20px rgba(92,225,230,0.25), 0 0 0 1px rgba(92,225,230,0.35) inset; border-color: rgba(92,225,230,0.45); }


.chat-log {
  flex: 1;
  overflow: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  grid-area: log;
}
.chat-log { scrollbar-width: thin; scrollbar-color: rgba(92,225,230,0.65) rgba(12,16,24,0.35); }
.chat-log::-webkit-scrollbar { width: 10px; height: 10px; }
.chat-log::-webkit-scrollbar-track { background: rgba(12,16,24,0.4); border: 1px solid var(--border); border-radius: 10px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03); }
.chat-log::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(92,225,230,0.8), rgba(178,108,255,0.7)); border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 0 12px rgba(92,225,230,0.35); }
.chat-log::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, rgba(92,225,230,0.98), rgba(178,108,255,0.9)); box-shadow: 0 0 16px rgba(92,225,230,0.45); }
.chat-log::-webkit-scrollbar-corner { background: transparent; }

.msg { display: grid; grid-template-columns: auto 1fr; grid-template-areas: 'name name' 'avatar bubble'; gap: 6px 10px; align-items: start; }
.msg .avatar { grid-area: avatar; width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(92,225,230,0.45); background: rgba(4,10,14,0.4); box-shadow: 0 0 18px rgba(92,225,230,0.25); }
.msg .name { grid-area: name; font-size: 13px; color: var(--muted); letter-spacing: 0.08em; }
.msg .bubble {
  grid-area: bubble;
  max-width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  line-height: 1.7;
  font-size: 16px;
  border: 1px solid var(--border);
  background: rgba(12, 16, 24, 0.6);
}
.msg.ai .name { color: var(--primary); }
.msg.ai .bubble { box-shadow: var(--glow); border-color: var(--primary-weak); }
.msg.user { grid-template-columns: 1fr auto; grid-template-areas: 'name name' 'bubble avatar'; }
.msg.user .name { text-align: right; }
.msg.user .bubble { justify-self: end; background: rgba(178,108,255,0.14); border-color: rgba(178,108,255,0.35); box-shadow: 0 0 22px rgba(178,108,255,0.18); }
.msg.user .avatar { border-color: rgba(178,108,255,0.55); box-shadow: 0 0 18px rgba(178,108,255,0.28); }

.chat-input {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  padding-top: 4px;
  grid-area: input;
}
.chat-input input {
  width: 100%;
  height: 52px;
  padding: 0 14px;
  font-size: 15px;
  color: var(--text);
  background: rgba(8, 10, 16, 0.7);
  border: 1px solid var(--border);
  border-radius: 12px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.chat-input input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-weak); }
.send {
  height: 52px;
  padding: 0 16px;
  font-weight: 600;
  font-size: 15px;
  color: #001b1c;
  background: var(--primary);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: var(--glow);
}
.send:hover { filter: brightness(1.05); }
.send:active { transform: translateY(1px); }

.hints { text-align: center; font-size: 13px; color: var(--muted); opacity: 0.8; grid-area: hints; }

/* 右侧纵向头像栏 */
.chat-side {
  grid-area: side;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

/* 资料卡 */
.profile-card {
  background: rgba(10, 14, 18, 0.6);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 10px 30px rgba(0,0,0,0.35);
}
.profile-card h3 { margin: 0 0 10px; font-size: 14px; color: var(--primary); letter-spacing: 0.08em; text-transform: uppercase; display: flex; align-items: center; gap: 8px; }
.profile-card .kv { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.profile-card .kv li { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 10px; padding: 6px 6px; border-radius: 8px; }
.profile-card .kv li:hover { background: rgba(92,225,230,0.06); }
.profile-card .kv .k { color: var(--muted); font-size: 12px; }
.profile-card .kv .v { color: var(--text); font-weight: 600; font-size: 13px; }
.profile-card .kv .ico { width: 14px; height: 14px; margin-right: 6px; color: var(--primary); opacity: 0.8; }

/* 媒体卡片 */
.media-card { position: relative; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); background: #000000; box-shadow: 0 0 0 1px rgba(255,255,255,0.06) inset, 0 10px 30px rgba(0,0,0,0.35); }
.media-wrap { position: relative; aspect-ratio: 3 / 4; min-height: 320px; overflow: hidden; background: #000000; }
.media-wrap img, .media-wrap video { width: 100%; height: 100%; object-fit: cover; background: #000000; filter: saturate(1.05) contrast(1.05); transform: translateZ(0); }
.wp-hero-img .media-wrap { background: transparent; padding: 0; }
.wp-hero-img .media-wrap img { width: 100%; height: auto; object-fit: contain; background: transparent; display: block; }
.media-card::before { display: none; }
.media-card::after { display: none; }

/* 动画：轻微上浮与呼吸光 */
@keyframes floatY { 0% { transform: translateY(0); } 50% { transform: translateY(-4px); } 100% { transform: translateY(0); } }
@keyframes glowPulse { 0% { box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 10px 30px rgba(0,0,0,0.35), 0 0 18px rgba(92,225,230,0.12); } 50% { box-shadow: 0 0 0 1px rgba(255,255,255,0.03) inset, 0 10px 34px rgba(0,0,0,0.4), 0 0 26px rgba(92,225,230,0.22); } 100% { box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 10px 30px rgba(0,0,0,0.35), 0 0 18px rgba(92,225,230,0.12); } }
.media-card { animation: none; }
.media-wrap img, .media-wrap video { animation: none; }

/* 响应式 */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 5vh 5vw; }
  .hero-right { display: none; }
  .chat { grid-template-columns: 1fr; grid-template-rows: auto 1fr auto auto; grid-template-areas: 'bots' 'log' 'input' 'hints'; }
  .chat-side { display: none; }
}

/* 右侧垂直图标导航 */
.right-nav {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 10;
}
.right-nav .nav-item {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--text);
  background: rgba(10,14,18,0.55);
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 8px 24px rgba(0,0,0,0.35);
  text-decoration: none;
  position: relative;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.right-nav .nav-item:hover { transform: translateX(-2px); box-shadow: 0 0 0 1px rgba(92,225,230,0.4) inset, 0 10px 30px rgba(92,225,230,0.2); }
.right-nav .nav-item .nav-ico { width: 26px; height: 26px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
.right-nav .nav-item .label {
  position: absolute;
  right: 64px;
  white-space: nowrap;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(92,225,230,0.35);
  background: rgba(8,12,16,0.6);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset, 0 10px 24px rgba(0,0,0,0.35);
  color: var(--text);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
}
.right-nav .nav-item:hover .label { opacity: 1; transform: translateX(0); }

@media (max-width: 1024px) {
  .right-nav { display: none; }
}

/* back to home (whitepaper) */
.corner-back { position: fixed; left: 20px; top: 18px; z-index: 9; display: grid; grid-auto-flow: column; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 10px; text-decoration: none; color: var(--text); background: rgba(10,14,18,0.55); border: 1px solid var(--border); }
.corner-back:hover { border-color: rgba(92,225,230,0.35); background: rgba(10,14,18,0.7); }
.back-ico { width: 18px; height: 18px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
.back-label { font-size: 13px; }

/* 抽屉面板 */
.drawer { position: fixed; inset: 0; z-index: 30; display: none; }
.drawer[aria-hidden="false"] { display: block; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(2px); }
.drawer-panel { position: absolute; top: 0; right: 0; width: min(560px, 92vw); height: 100%; background: rgba(8,12,16,0.92); border-left: 1px solid var(--border); box-shadow: -30px 0 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03) inset; transform: translateX(100%); transition: transform .28s ease; display: grid; grid-template-rows: auto 1fr; }
.drawer[aria-hidden="false"] .drawer-panel { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.drawer-title { margin: 0; font-size: 18px; letter-spacing: 0.08em; color: var(--primary); text-transform: uppercase; }
.drawer-close { height: 36px; padding: 0 12px; border-radius: 10px; border: 1px solid var(--border); background: rgba(12,16,24,0.7); color: var(--text); cursor: pointer; }
.drawer-close:hover { border-color: var(--primary); box-shadow: 0 0 0 1px rgba(92,225,230,0.35) inset; }
.drawer-body { overflow: auto; padding: 16px; display: grid; gap: 16px; }
.drawer-body { scrollbar-width: thin; scrollbar-color: rgba(92,225,230,0.65) rgba(12,16,24,0.35); }
.drawer-body::-webkit-scrollbar { width: 10px; height: 10px; }
.drawer-body::-webkit-scrollbar-track { background: rgba(12,16,24,0.4); border: 1px solid var(--border); border-radius: 10px; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.03); }
.drawer-body::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(92,225,230,0.8), rgba(178,108,255,0.7)); border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 0 12px rgba(92,225,230,0.35); }
.drawer-body::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, rgba(92,225,230,0.98), rgba(178,108,255,0.9)); box-shadow: 0 0 16px rgba(92,225,230,0.45); }
.drawer-body::-webkit-scrollbar-corner { background: transparent; }
.drawer-body .lead { color: var(--text); opacity: 0.95; }
.drawer-body .section h3, .drawer-body .section h4 { color: var(--primary); margin: 0 0 8px; letter-spacing: 0.06em; }
.drawer-body .section p { margin: 0; color: var(--text); opacity: 0.92; }
.drawer-body .divider { height: 1px; border: none; background: linear-gradient(90deg, transparent, rgba(92,225,230,0.35), transparent); }
.icon-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(10,14,18,0.6); border: 1px solid var(--border); box-shadow: 0 0 0 1px rgba(255,255,255,0.03) inset; }
.badge-ico { width: 20px; height: 20px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
.table-wrap { overflow: auto; border-radius: 12px; border: 1px solid var(--border); background: rgba(10,14,18,0.6); }
.wp-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.wp-table thead th { text-align: left; padding: 10px 12px; font-weight: 600; color: var(--text); background: rgba(8,12,16,0.7); border-bottom: 1px solid var(--border); }
.wp-table tbody td { padding: 10px 12px; color: var(--text); border-bottom: 1px solid rgba(255,255,255,0.06); }
.wp-table tbody tr:hover { background: rgba(92,225,230,0.06); }
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.feature-list li { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px; background: rgba(10,14,18,0.6); }
.feature-list .ico { width: 18px; height: 18px; color: var(--primary); filter: drop-shadow(0 0 6px rgba(92,225,230,0.4)); }
.feature-list li span { font-weight: 600; }
.feature-list li small { color: var(--muted); }
.feature-list li .detail { grid-column: 1 / -1; margin-left: 26px; color: var(--text); opacity: 0.9; font-size: 13px; line-height: 1.7; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.roadmap { margin: 0; padding-left: 18px; color: var(--text); opacity: 0.92; display: grid; gap: 6px; }

/* Roadmap flow */
.roadmap-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 10px; }
.rf-item { background: rgba(10,14,18,0.6); border: 1px solid var(--border); border-radius: 12px; padding: 10px; }
.rf-head { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: center; }
.rf-circle { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #001b1c; background: var(--primary); box-shadow: 0 0 16px rgba(92,225,230,0.35); font-weight: 700; }
.rf-text small { display: block; color: var(--muted); }
.rf-arrow { display: grid; place-items: center; opacity: 0.85; }
.rf-ico { width: 28px; height: 28px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }

@media (max-width: 880px) {
  .roadmap-flow { grid-template-columns: 1fr; }
  .rf-arrow { display: none; }
}

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

/* 抽屉卡片与栅格 */
.cards { display: grid; gap: 12px; }
.stat-grid { grid-template-columns: repeat(3, 1fr); }
.feat-grid { grid-template-columns: repeat(2, 1fr); }
.card { border: 1px solid var(--border); border-radius: 12px; background: rgba(10,14,18,0.6); box-shadow: 0 0 0 1px rgba(255,255,255,0.03) inset; padding: 12px; }
.card-title { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; color: var(--primary); letter-spacing: 0.06em; }
.card-title .ico { width: 16px; height: 16px; color: var(--primary); filter: drop-shadow(0 0 6px rgba(92,225,230,0.35)); }
.companion .companion-media { aspect-ratio: 4 / 3; border-radius: 10px; overflow: hidden; background: rgba(0,0,0,0.6); border: 1px solid var(--border); margin-bottom: 8px; }
.companion .companion-media img { width: 100%; height: 100%; object-fit: cover; }
.companion .companion-desc { margin: 0 0 8px; color: var(--text); opacity: 0.92; }
.companion .feature-list { margin-top: 4px; }
.companion .feature-list li { grid-template-columns: auto 1fr auto; }
.companion .feature-list .ico { width: 16px; height: 16px; }
.stat { display: flex; align-items: center; gap: 10px; }
.stat-icon { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; background: rgba(8,12,16,0.7); border: 1px solid var(--border); }
.stat-icon svg { width: 18px; height: 18px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
.stat-meta { display: grid; gap: 2px; }
.stat-label { color: var(--muted); font-size: 12px; }
.stat-value { color: var(--text); font-weight: 700; font-size: 14px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 10px; border-radius: 999px; border: 1px solid var(--border); background: rgba(8,12,16,0.6); color: var(--text); font-size: 12px; }

@media (max-width: 960px) {
  .stat-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
}

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-btn { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 8px; padding: 10px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); background: rgba(10,14,18,0.55); color: var(--text); text-decoration: none; box-shadow: none; }
.contact-btn:hover { border-color: rgba(92,225,230,0.35); background: rgba(10,14,18,0.65); }
.contact-ico { width: 20px; height: 20px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
/* 列表与备注 */
.list { margin: 8px 0 0; padding-left: 18px; color: var(--text); opacity: 0.92; display: grid; gap: 6px; }
.note { margin: 8px 0 0; color: var(--muted); font-size: 12px; }
.contact-btn.tg { background: linear-gradient(180deg, rgba(10,14,18,0.6), rgba(10,14,18,0.4)); }
.contact-btn.tw { background: linear-gradient(180deg, rgba(10,14,18,0.6), rgba(10,14,18,0.4)); }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

/* 右下角社交按钮 */
.corner-social { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 9; }
.social-btn { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: var(--text); background: rgba(10,14,18,0.55); border: 1px solid var(--border); text-decoration: none; }
.social-btn:hover { border-color: rgba(92,225,230,0.35); background: rgba(10,14,18,0.7); }
.social-ico { width: 20px; height: 20px; color: var(--primary); filter: drop-shadow(0 0 8px rgba(92,225,230,0.4)); }
@media (max-width: 1024px) { .corner-social { right: 14px; bottom: 14px; } .social-btn { width: 40px; height: 40px; border-radius: 10px; } .social-ico { width: 18px; height: 18px; } }
/* 模态浮窗 */
.modal { position: fixed; inset: 0; display: none; z-index: 20; }
.modal[aria-hidden="false"] { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(2px); }
.modal-dialog { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: min(92vw, 520px); }
.modal-content { background: rgba(10,14,18,0.92); border: 1px solid var(--border); border-radius: 14px; padding: 18px; box-shadow: 0 20px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03) inset; }
.modal-title { margin: 0 0 8px; color: var(--primary); letter-spacing: 0.08em; font-size: 18px; text-transform: uppercase; }
.modal-body { margin: 0 0 14px; color: var(--text); font-size: 14px; opacity: 0.95; }
.modal-actions { display: flex; justify-content: flex-end; }
.modal-close { height: 40px; padding: 0 14px; border-radius: 10px; border: 1px solid var(--border); background: rgba(12,16,24,0.7); color: var(--text); cursor: pointer; box-shadow: 0 0 0 1px rgba(255,255,255,0.02) inset; }
.modal-close:hover { border-color: var(--primary); box-shadow: 0 0 0 1px rgba(92,225,230,0.4) inset; }