:root {
  --primary: #4c6ef5;
  --primary-light: #748ffc;
  --primary-dark: #3b5bdb;
  --bg-body: #eef2ff;
  --bg-card: rgba(255, 255, 255, 0.62);
  --bg-card-hover: rgba(255, 255, 255, 0.78);
  --border-glass: rgba(255, 255, 255, 0.7);
  --border-glass-hover: rgba(76, 110, 245, 0.35);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8888aa;
  --shadow-sm: 0 4px 20px rgba(76, 110, 245, 0.08);
  --shadow-md: 0 8px 32px rgba(76, 110, 245, 0.12);
  --shadow-lg: 0 16px 48px rgba(76, 110, 245, 0.18);
  --radius: 20px;
  --radius-sm: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --success: #22c55e;
  --danger: #e74c3c;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* 背景：淡蓝渐变 + 两个光斑 */
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(116, 143, 252, 0.35), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(76, 110, 245, 0.28), transparent 45%),
    linear-gradient(135deg, #eef2ff 0%, #e0e7ff 50%, #dbe4ff 100%);
  background-attachment: fixed;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text-primary);
}

.page-wrapper { max-width: 1100px; margin: 0 auto; padding: 2.5rem 1.5rem 4rem; }

/* ===== 个人卡片 ===== */
.profile-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 2rem 2.5rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  transition: var(--transition);
}
.profile-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.profile-avatar {
  width: 120px; height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 0 0 4px rgba(76,110,245,0.18), 0 8px 24px rgba(76,110,245,0.28);
  flex-shrink: 0;
  transition: var(--transition);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  font-weight: 600;
}
.profile-avatar:hover {
  transform: scale(1.04) rotate(-3deg);
  box-shadow: 0 0 0 6px rgba(76,110,245,0.25), 0 12px 32px rgba(76,110,245,0.35);
}
.profile-info { flex: 1; min-width: 220px; }
.profile-info h1 {
  font-size: 2.1rem;
  font-weight: 700;
  margin: 0 0 0.4rem 0;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #1a1a2e, var(--primary-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.profile-info .tagline {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0.2rem 0 0.8rem 0;
}
.profile-info .tagline strong { color: var(--primary); font-weight: 600; }
.profile-links { display: flex; flex-wrap: wrap; gap: 0.8rem 1.5rem; margin-top: 0.5rem; }
.profile-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.6);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.profile-links a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(76,110,245,0.35);
}

/* ===== 功能卡片 ===== */
.section-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.8rem 2rem;
  margin-bottom: 2rem;
  transition: var(--transition);
}
.section-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-md);
}
.section-card .card-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.section-card .card-sub { color: var(--text-muted); font-size: 0.92rem; margin: 0 0 1.2rem 0; }

/* ===== 探索按钮 ===== */
.explore-row { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin: 0.5rem 0; }
.explore-btn {
  padding: 0.85rem 2.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}
.explore-btn:hover {
  background: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(76,110,245,0.2);
}
.explore-btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 6px 20px rgba(76,110,245,0.35);
}
.explore-btn.primary:hover {
  box-shadow: 0 12px 32px rgba(76,110,245,0.5);
}

/* ===== 音乐播放器 ===== */
.player-wrap { display: flex; flex-direction: column; gap: 1rem; }
.player-main { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.player-cover {
  width: 90px; height: 90px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #2a2a4a, #1a1a2e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4rem;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  transition: var(--transition);
  cursor: pointer;
  overflow: hidden;
}
.player-cover:hover { transform: scale(1.05); }
.player-cover img { width: 100%; height: 100%; object-fit: cover; }
.player-cover .icon { font-size: 2.4rem; opacity: 0.7; }
.player-cover.loading { animation: pulse-cover 1.2s ease-in-out infinite; }
@keyframes pulse-cover { 0%,100% { opacity: 1; } 50% { opacity: 0.6; } }
.player-info { flex: 1; min-width: 160px; }
.player-info .song-title { font-weight: 600; font-size: 1.05rem; color: var(--text-primary); margin: 0 0 0.1rem 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-info .song-artist { font-size: 0.88rem; color: var(--text-muted); margin: 0; }
.player-controls { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.3rem; }
.player-controls button {
  background: rgba(255,255,255,0.5);
  border: 1px solid rgba(255,255,255,0.6);
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0.2rem;
  border-radius: 50%;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
}
.player-controls button:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(76,110,245,0.35);
}
.player-controls button.play-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-color: transparent;
  width: 46px; height: 46px;
  font-size: 1.2rem;
  box-shadow: 0 6px 20px rgba(76,110,245,0.4);
}
.player-controls button.play-btn:hover { transform: scale(1.08); }
.player-controls button.mode-btn {
  font-size: 0.8rem;
  width: auto;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(76,110,245,0.12);
  color: var(--primary);
  font-weight: 600;
  border-color: rgba(76,110,245,0.2);
}
.player-controls button.mode-btn:hover { background: var(--primary); color: #fff; }
.player-progress { flex: 1; min-width: 120px; display: flex; align-items: center; gap: 0.6rem; }
.player-progress input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  outline: none;
}
.player-progress input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary);
  cursor: pointer; box-shadow: 0 2px 8px rgba(76,110,245,0.4);
}
.player-progress input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 2px solid var(--primary);
  cursor: pointer;
}
.player-time { font-size: 0.78rem; color: var(--text-muted); font-variant-numeric: tabular-nums; min-width: 70px; text-align: center; }
.player-volume { display: flex; align-items: center; gap: 0.4rem; }
.player-volume input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 60px; height: 3px; border-radius: 999px;
  background: rgba(76,110,245,0.25); outline: none;
}
.player-volume input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary); cursor: pointer;
}
.player-volume input[type="range"]::-moz-range-thumb {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary); cursor: pointer; border: none;
}

/* 播放列表 */
.playlist-wrap { border-top: 1px solid rgba(76,110,245,0.12); padding-top: 1rem; margin-top: 0.2rem; }
.playlist-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }
.playlist-header span { font-weight: 500; font-size: 0.9rem; color: var(--text-secondary); }
.playlist-header .btn-group { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.playlist-header .add-btn {
  background: rgba(255,255,255,0.5);
  border: 1px dashed rgba(76,110,245,0.35);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.playlist-header .add-btn:hover { background: var(--primary); color: #fff; border-style: solid; border-color: transparent; }
.playlist-items { display: flex; flex-direction: column; gap: 0.3rem; max-height: 160px; overflow-y: auto; padding-right: 4px; }
.playlist-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.5rem 0.8rem;
  border-radius: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.playlist-item:hover { background: rgba(255,255,255,0.6); }
.playlist-item.active {
  background: linear-gradient(135deg, rgba(76,110,245,0.15), rgba(76,110,245,0.08));
  color: var(--primary);
  font-weight: 500;
  border-left: 3px solid var(--primary);
}
.playlist-item .del-btn { background: none; border: none; color: #ccc; cursor: pointer; font-size: 0.8rem; padding: 0 0.2rem; transition: var(--transition); }
.playlist-item .del-btn:hover { color: #e74c3c; transform: scale(1.2); }
.playlist-empty { color: var(--text-muted); font-size: 0.85rem; text-align: center; padding: 0.8rem 0; }
.playlist-import-status { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.3rem; text-align: center; }

/* ===== 聊天室 ===== */
.chat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 0.5rem; }
@media (max-width: 720px) { .chat-grid { grid-template-columns: 1fr; gap: 1.5rem; } }
.chat-room {
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 380px;
  background: rgba(255,255,255,0.4);
}
.chat-room .chat-header {
  background: linear-gradient(135deg, rgba(76,110,245,0.1), rgba(116,143,252,0.06));
  padding: 0.7rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(76,110,245,0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.chat-room .chat-header .badge {
  font-size: 0.7rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  font-weight: 500;
}
.chat-room .chat-header .user-controls { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.chat-room .chat-header .user-controls input {
  border: 1px solid rgba(76,110,245,0.2);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  outline: none;
  width: 80px;
  background: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.chat-room .chat-header .user-controls input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(76,110,245,0.12); }
.chat-room .chat-header .user-controls .avatar-preview {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.chat-room .chat-header .user-controls .update-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  font-size: 0.65rem;
  cursor: pointer;
  transition: var(--transition);
}
.chat-room .chat-header .user-controls .update-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(76,110,245,0.35); }
.chat-messages { flex: 1; overflow-y: auto; padding: 0.8rem 1rem; background: rgba(255,255,255,0.3); display: flex; flex-direction: column; gap: 0.4rem; }
.chat-messages .msg {
  max-width: 80%;
  padding: 0.5rem 0.9rem;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.5;
  word-break: break-word;
  animation: fade-in 0.25s ease;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}
.chat-messages .msg .avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
  flex-shrink: 0;
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.chat-messages .msg .content { flex: 1; }
.chat-messages .msg .name { font-weight: 600; font-size: 0.78rem; display: block; }
.chat-messages .msg .time { font-size: 0.6rem; opacity: 0.6; margin-left: 0.4rem; }
.chat-messages .msg.self {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 14px rgba(76,110,245,0.3);
}
.chat-messages .msg.self .name { color: rgba(255,255,255,0.85); }
.chat-messages .msg.other {
  align-self: flex-start;
  background: #fff;
  color: var(--text-primary);
  border: 1px solid rgba(76,110,245,0.12);
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.chat-messages .msg.other .name { color: var(--primary); }
.chat-messages .msg.system { align-self: center; background: transparent; color: var(--text-muted); font-size: 0.78rem; padding: 0.2rem 0.6rem; max-width: 90%; }
.chat-messages .empty-chat { color: var(--text-muted); font-size: 0.85rem; text-align: center; padding: 2rem 0; }
@keyframes fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.chat-input-row { display: flex; gap: 0.5rem; padding: 0.6rem 0.8rem; border-top: 1px solid rgba(76,110,245,0.1); background: rgba(255,255,255,0.6); flex-shrink: 0; }
.chat-input-row input {
  flex: 1;
  border: 1px solid rgba(76,110,245,0.18);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  outline: none;
  transition: var(--transition);
  background: rgba(255,255,255,0.8);
}
.chat-input-row input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(76,110,245,0.12); }
.chat-input-row button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.5rem 1.3rem;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(76,110,245,0.3);
}
.chat-input-row button:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(76,110,245,0.4); }

/* Giscus */
.giscus-wrap { margin-top: 0.5rem; }
.giscus-wrap .giscus { width: 100%; border: none; min-height: 320px; }

/* HRSI */
.hrsi-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9998;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 58px; height: 58px;
  font-size: 26px;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(76,110,245,0.45);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: manipulation;
}
.hrsi-toggle:hover { transform: scale(1.1) translateY(-2px); box-shadow: 0 12px 32px rgba(76,110,245,0.55); }
.hrsi-toggle:active { transform: scale(0.95); }
.hrsi-toggle .badge-dot {
  position: absolute;
  top: 4px; right: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--success);
  border: 2px solid #fff;
  box-shadow: 0 0 8px var(--success);
  animation: pulse-dot 1.5s infinite;
}
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

.hrsi-box {
  position: fixed;
  bottom: 92px; right: 24px;
  width: 420px;
  max-width: calc(100vw - 48px);
  height: 520px;
  max-height: calc(100vh - 120px);
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  display: none;
  flex-direction: column;
  z-index: 9999;
  color: #eee;
  overflow: hidden;
  animation: slide-up 0.3s ease;
}
.hrsi-box.open { display: flex; }
@keyframes slide-up { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.hrsi-box .hrsi-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}
.hrsi-box .hrsi-header span { font-weight: 600; font-size: 0.95rem; display: flex; align-items: center; gap: 0.4rem; }
.hrsi-box .hrsi-header .close-btn { background: none; border: none; color: #fff; font-size: 1.2rem; cursor: pointer; opacity: 0.7; padding: 0 0.2rem; transition: var(--transition); }
.hrsi-box .hrsi-header .close-btn:hover { opacity: 1; transform: rotate(90deg); }
.hrsi-box .hrsi-msgs { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: 0.6rem; background: rgba(22, 33, 62, 0.4); }
.hrsi-box .hrsi-msgs .msg { max-width: 88%; padding: 0.6rem 1rem; border-radius: 14px; font-size: 0.88rem; line-height: 1.6; animation: fade-in 0.25s ease; }
.hrsi-box .hrsi-msgs .msg.user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-bottom-right-radius: 4px;
  box-shadow: 0 4px 14px rgba(76,110,245,0.35);
}
.hrsi-box .hrsi-msgs .msg.bot {
  align-self: flex-start;
  background: rgba(42, 58, 94, 0.8);
  color: #dde;
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(255,255,255,0.06);
}
.hrsi-box .hrsi-msgs .msg.bot .label { font-size: 0.65rem; opacity: 0.6; display: block; margin-bottom: 0.2rem; }
.hrsi-box .hrsi-msgs .msg .image-preview { max-width: 150px; max-height: 120px; border-radius: 8px; margin-top: 6px; border: 1px solid rgba(255,255,255,0.15); }
.hrsi-box .hrsi-msgs .empty-hrsi { color: rgba(255,255,255,0.35); font-size: 0.85rem; text-align: center; padding: 2rem 0; line-height: 2; }
.hrsi-box .hrsi-msgs .empty-hrsi .big { font-size: 2.6rem; display: block; margin-bottom: 0.6rem; }
.hrsi-box .hrsi-msgs .empty-hrsi .highlight { color: var(--primary-light); }
.hrsi-box .hrsi-input-row { display: flex; gap: 0.5rem; padding: 0.6rem 0.8rem; border-top: 1px solid rgba(255,255,255,0.06); background: rgba(26,26,46,0.6); flex-shrink: 0; align-items: flex-end; }
.hrsi-box .hrsi-input-row .input-wrap { flex: 1; display: flex; gap: 0.4rem; align-items: flex-end; min-width: 0; }
.hrsi-box .hrsi-input-row input[type="text"] {
  flex: 1;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  outline: none;
  background: rgba(15,15,31,0.7);
  color: #eee;
  font-family: inherit;
  height: 40px;
  transition: var(--transition);
}
.hrsi-box .hrsi-input-row input[type="text"]:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(76,110,245,0.2); }
.hrsi-box .hrsi-input-row input[type="text"]::placeholder { color: #666; }
.hrsi-box .hrsi-input-row .toolbar { display: flex; gap: 4px; align-items: center; flex-shrink: 0; }
.hrsi-box .hrsi-input-row .toolbar button {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  width: 40px; height: 40px;
  color: #aaa;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}
.hrsi-box .hrsi-input-row .toolbar button:hover { background: rgba(76,110,245,0.3); color: #fff; border-color: var(--primary); }
.hrsi-box .hrsi-input-row .send-btn {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 0.4rem 1.3rem;
  font-weight: 500;
  font-size: 0.85rem;
  cursor: pointer;
  height: 40px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(76,110,245,0.35);
}
.hrsi-box .hrsi-input-row .send-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(76,110,245,0.45); }
.hrsi-box .hrsi-input-row .send-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.hrsi-box .hrsi-input-row .image-preview-bar { display: none; gap: 6px; align-items: center; padding: 6px 12px; background: rgba(255,255,255,0.04); border-radius: 10px; border: 1px solid rgba(255,255,255,0.08); width: 100%; flex-wrap: wrap; }
.hrsi-box .hrsi-input-row .image-preview-bar.show { display: flex; }
.hrsi-box .hrsi-input-row .image-preview-bar .thumb { width: 34px; height: 34px; border-radius: 6px; object-fit: cover; }
.hrsi-box .hrsi-input-row .image-preview-bar .info { font-size: 11px; color: #888; flex: 1; }
.hrsi-box .hrsi-input-row .image-preview-bar .remove-btn { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 14px; }
.hrsi-box .hrsi-context-info { font-size: 10px; color: #555; padding: 0 12px 6px; display: flex; justify-content: space-between; align-items: center; flex-shrink: 0; background: rgba(26,26,46,0.6); }
.hrsi-box .hrsi-context-info .clear-btn { background: none; border: none; color: #555; cursor: pointer; font-size: 10px; text-decoration: underline; transition: var(--transition); }
.hrsi-box .hrsi-context-info .clear-btn:hover { color: var(--danger); }
#hrsiFileInput { display: none; }

.divider { border: none; border-top: 1px solid rgba(76,110,245,0.15); margin: 2rem 0 1.8rem 0; }

/* 打字动画 */
.typing { display: flex; gap: 4px; padding: 2px 0; }
.typing span { width: 6px; height: 6px; border-radius: 50%; background: #888; animation: typing-bounce 1.2s ease-in-out infinite; }
.typing span:nth-child(2) { animation-delay: 0.2s; }
.typing span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typing-bounce { 0%,60%,100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: linear-gradient(180deg, var(--primary-light), var(--primary)); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }

/* 响应式 */
@media (max-width: 640px) {
  .page-wrapper { padding: 1rem 0.8rem 3rem; }
  .profile-card { padding: 1.4rem 1.2rem; gap: 1.2rem; }
  .profile-avatar { width: 80px; height: 80px; font-size: 2rem; }
  .profile-info h1 { font-size: 1.5rem; }
  .section-card { padding: 1.2rem 1rem; }
  .player-main { gap: 0.8rem; }
  .player-cover { width: 64px; height: 64px; font-size: 1.6rem; }
  .player-controls button { width: 34px; height: 34px; font-size: 1.1rem; }
  .player-controls button.play-btn { width: 40px; height: 40px; font-size: 1rem; }
  .player-volume input[type="range"] { width: 40px; }
  .hrsi-box { width: calc(100vw - 32px); right: 16px; bottom: 80px; height: 440px; }
  .explore-btn { padding: 0.6rem 1.4rem; font-size: 0.9rem; }
  .playlist-header .add-btn { font-size: 0.7rem; padding: 0.2rem 0.7rem; }
  .chat-messages .msg .avatar { width: 22px; height: 22px; font-size: 0.6rem; }
  .chat-room .chat-header .user-controls input { width: 60px; font-size: 0.65rem; }
  .hrsi-box .hrsi-input-row input[type="text"] { font-size: 0.85rem; height: 36px; padding: 0.4rem 0.8rem; }
  .hrsi-box .hrsi-input-row .send-btn { font-size: 0.75rem; padding: 0.3rem 0.8rem; height: 36px; }
  .hrsi-box .hrsi-input-row .toolbar button { width: 36px; height: 36px; font-size: 14px; }
}
@media (max-width: 400px) {
  .hrsi-box { width: calc(100vw - 16px); right: 8px; bottom: 72px; height: 400px; }
}