/* 「芯问」平台介绍 + IC Bro 寄语（由 ZCode 注入） */
.login-layout { position: relative; }

.wk-about-note { font-size: 12.5px; line-height: 1.85; letter-spacing: .01em; color: var(--td-text-color-secondary, #5c6068); }
.wk-about-note .wk-about-p { margin: 0 0 10px; }
.wk-about-note .wk-about-p:last-child { margin-bottom: 0; }
.wk-about-note strong { font-weight: 700; color: var(--td-text-color-primary, #1f2329); }

/* ① 登录页左侧留白区（品牌紫底 → 白色系） */
.wk-about-note--login {
  position: absolute; left: 48px; bottom: 84px;
  width: calc((100vw - 460px) / 2 - 96px); max-width: 430px;
  pointer-events: none;
  color: rgba(255, 255, 255, .82);
  text-shadow: 0 1px 2px rgba(0, 0, 0, .12);
}
.wk-about-note--login strong { color: #fff; }
@media (max-width: 1280px) { .wk-about-note--login { left: 32px; bottom: 56px; font-size: 12px; line-height: 1.75; } }
@media (max-width: 1024px) { .wk-about-note--login { display: none; } }

/* ② 新对话空状态 */
.wk-about-note--chat { max-width: 720px; margin: 30px auto 0; text-align: left; }
@media (max-width: 768px) { .wk-about-note--chat { max-width: 100%; margin-top: 20px; } }

/* ③ 侧边栏底部（紫色/深色底 → 半透明白，小字；收起时由 JS 隐藏） */
.wk-about-note--sidebar {
  margin: 10px 14px 8px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, .10);
  font-size: 11px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .62);
  text-shadow: none;
}
.wk-about-note--sidebar .wk-about-p { margin: 0; }