AI助手引导步骤返回上一步和正式使用AI助手时的再次设置功能，和投递过程的其他地方按钮点击保护

src/assets/styles/components/agent-setting-panel.scss

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+@use '../variables' as *;
+
+/* Agent设置面板样式 */
+.agent-setting-panel {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  background: $bg-white;
+  border-radius: 0.2rem;
+  overflow: hidden;
+
+  /* 顶部标题栏 */
+  &__header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 0.16rem 0.2rem;
+    border-bottom: 1px solid $border-color;
+  }
+
+  &__title {
+    font-size: 0.16rem;
+    font-weight: 600;
+    color: $text-dark;
+  }
+
+  /* 关闭按钮 */
+  &__close-btn {
+    width: 0.28rem;
+    height: 0.28rem;
+    border: none;
+    background: none;
+    cursor: pointer;
+    padding: 0;
+
+    svg {
+      width: 100%;
+      height: 100%;
+    }
+  }
+
+  /* 内容区域（可滚动） */
+  &__body {
+    flex: 1;
+    overflow-y: auto;
+    padding: 0.2rem;
+  }
+
+  /* ========== 设置项区块 ========== */
+  &__section {
+    margin-bottom: 0.2rem;
+    border-bottom: 1px solid $border-color;
+    padding-bottom: 0.16rem;
+
+    &:last-child {
+      border-bottom: none;
+      margin-bottom: 0;
+    }
+  }
+
+  /* 区块标题行 */
+  &__section-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    cursor: pointer;
+    padding: 0.04rem 0;
+  }
+
+  /* 区块标题 */
+  &__section-title {
+    font-size: 0.15rem;
+    font-weight: 600;
+    color: $text-dark;
+  }
+
+  /* 编辑按钮区域（文字 + 箭头） */
+  &__section-action {
+    display: flex;
+    align-items: center;
+    gap: 0.04rem;
+  }
+
+  &__section-action-text {
+    font-size: 0.12rem;
+    color: $accent;
+  }
+
+  /* 方向箭头 */
+  &__arrow {
+    width: 0.14rem;
+    height: 0.14rem;
+    color: $accent;
+    transition: transform 0.25s ease;
+  }
+
+  /* 展开时箭头朝上 */
+  &__arrow--up {
+    transform: rotate(180deg);
+  }
+
+  /* 收起时的简要信息预览 */
+  &__section-summary {
+    margin-top: 0.1rem;
+    font-size: 0.12rem;
+    color: $text-middle;
+    line-height: 1.6;
+  }
+
+  &__section-empty {
+    color: $text-light;
+    font-style: italic;
+  }
+
+  /* 展开时的内容区域 */
+  &__section-content {
+    margin-top: 0.14rem;
+  }
+
+  /* ========== 求职目标标签 ========== */
+  &__goal-tags {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.08rem;
+    margin-top: 0.1rem;
+  }
+
+  &__goal-tag {
+    display: inline-block;
+    padding: 0.04rem 0.12rem;
+    background: $theme-color;
+    border: 1px solid $accent;
+    border-radius: 0.14rem;
+    font-size: 0.12rem;
+    color: $accent;
+  }
+
+  /* 编辑图标 */
+  &__edit-icon {
+    width: 0.13rem;
+    height: 0.13rem;
+    color: $accent;
+  }
+
+  /* ========== 浏览器插件 ========== */
+  &__browser-btns {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.1rem;
+    margin-top: 0.12rem;
+  }
+
+  &__browser-btn {
+    padding: 0.08rem 0.18rem;
+    background: $bg-white;
+    border: 1px solid $border-color;
+    border-radius: 0.08rem;
+    font-size: 0.13rem;
+    color: $text-dark;
+    cursor: pointer;
+    transition: border-color 0.2s, background 0.2s;
+
+    &:hover {
+      border-color: $accent;
+      background: $theme-color;
+    }
+  }
+
+  &__download-wrap {
+    margin-top: 0.16rem;
+    text-align: center;
+  }
+
+  &__download-btn {
+    padding: 0.1rem 0.4rem;
+    background: $gradient-bg;
+    color: $bg-white;
+    border: none;
+    border-radius: 0.24rem;
+    font-size: 0.14rem;
+    cursor: pointer;
+    transition: opacity 0.2s;
+
+    &:hover {
+      opacity: 0.9;
+    }
+  }
+
+  /* 浏览器安装指引弹窗图片 */
+  &__guide-slide {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    height: 100%;
+
+    img {
+      max-width: 100%;
+      max-height: 100%;
+      object-fit: contain;
+    }
+  }
+}