.member-page {
  padding: var(--spacing-2xl) 0 var(--spacing-4xl);
  background: #f5f6f8;
  min-height: calc(100vh - var(--header-height));
}

.member-layout {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
  width: 100%;
}

.member-sidebar {
  flex: 0 0 220px;
  align-self: flex-start;
  height: auto;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.member-sidebar__title {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: #333333;
}

.member-nav {
  display: flex;
  flex-direction: column;
  padding: 0 var(--spacing-sm);
}

.member-nav__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  background: transparent;
  font-size: var(--font-size-base);
  color: #666666;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.member-nav__link:hover,
.member-nav__link--active {
  background: #f0f7ff;
  color: #58a6f7;
}

.member-nav__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  object-fit: contain;
}

.member-main {
  flex: 1;
  min-width: 0;
  width: 100%;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-2xl);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  box-sizing: border-box;
}

.member-main__inner {
  width: 100%;
}

.member-panel {
  display: none;
  width: 100%;
  min-width: 0;
}

.member-panel--active {
  display: block;
}

.member-tabs {
  display: flex;
  gap: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--spacing-3xl);
}

.member-tabs__item {
  padding: 0 0 var(--spacing-md);
  border: none;
  background: transparent;
  font-size: var(--font-size-base);
  color: #666666;
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.member-tabs__item:hover {
  color: #58a6f7;
}

.member-tabs__item--active {
  color: #58a6f7;
  font-weight: 500;
}

.member-tabs__item--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: #58a6f7;
}

.member-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4xl) 0;
  color: #c0c0c0;
}

.member-empty__img {
  width: 120px;
  height: auto;
  margin-bottom: var(--spacing-lg);
  object-fit: contain;
}

.member-empty__text {
  font-size: var(--font-size-base);
  color: #999999;
}

.member-empty--auth {
  padding-top: var(--spacing-4xl);
}

.member-empty__btn {
  display: inline-block;
  margin-top: var(--spacing-lg);
  padding: 10px 28px;
  background: #58a6f7;
  color: #ffffff;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.member-empty__btn:hover {
  background: #3d8ee6;
}

.member-panel__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #333333;
  margin-bottom: var(--spacing-xl);
}

/* 我的协议 */
.agreement-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.agreement-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border: 1px solid #f0f0f0;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.agreement-item:hover {
  border-color: #d6e8fc;
  box-shadow: 0 2px 8px rgba(88, 166, 247, 0.08);
}

.agreement-item__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f7ff;
  color: #58a6f7;
  border-radius: var(--radius-md);
}

.agreement-item__icon svg {
  width: 22px;
  height: 22px;
}

.agreement-item__info {
  flex: 1;
  min-width: 0;
}

.agreement-item__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: #333333;
  margin-bottom: var(--spacing-xs);
}

.agreement-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: #999999;
}

.agreement-item__tag {
  padding: 2px 8px;
  background: #f5f5f5;
  color: #666666;
  border-radius: var(--radius-sm);
}

.agreement-item__status {
  color: #52c41a;
}

.agreement-item__btn {
  flex-shrink: 0;
  padding: 8px 16px;
  border: 1px solid #58a6f7;
  border-radius: var(--radius-md);
  background: #ffffff;
  color: #58a6f7;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.agreement-item__btn:hover {
  background: #58a6f7;
  color: #ffffff;
}

/* 消息通知 */
.message-list {
  display: flex;
  flex-direction: column;
}

.message-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  width: 100%;
  padding: var(--spacing-lg) 0;
  border: none;
  border-bottom: 1px solid #f0f0f0;
  background: transparent;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.message-item:hover {
  background: #fafbfc;
}

.message-item__dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 50%;
  background: transparent;
}

.message-item--unread .message-item__dot {
  background: #ff4d4f;
}

.message-item__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message-item__title {
  font-size: var(--font-size-base);
  font-weight: 500;
  color: #333333;
  line-height: 1.5;
}

.message-item--unread .message-item__title {
  font-weight: 600;
}

.message-item__preview {
  font-size: var(--font-size-sm);
  color: #999999;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.message-item__time {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  color: #bbbbbb;
  white-space: nowrap;
}

/* 协议弹窗 */
.agreement-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.agreement-modal.is-open {
  display: flex;
}

.agreement-modal__mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.agreement-modal__box {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.agreement-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid #f0f0f0;
}

.agreement-modal__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: #333333;
}

.agreement-modal__close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  color: #999999;
  cursor: pointer;
}

.agreement-modal__close:hover {
  color: #333333;
}

.agreement-modal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-sm);
  color: #999999;
  background: #fafbfc;
}

.agreement-modal__body {
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-xl);
  overflow-y: auto;
  font-size: var(--font-size-sm);
  color: #666666;
  line-height: 1.8;
}

.agreement-modal__body h4 {
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font-size: var(--font-size-base);
  color: #333333;
}

.agreement-modal__body p {
  margin-bottom: var(--spacing-sm);
}

/* 我的课程 */
.my-courses {
  margin: calc(-1 * var(--spacing-xl)) calc(-1 * var(--spacing-2xl));
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #ffffff;
}

.my-courses__header {
  position: relative;
  line-height: 0;
  overflow: hidden;
}

.my-courses__header-bg {
  width: 100%;
  height: auto;
  display: block;
  max-height: 72px;
  object-fit: cover;
}

.my-courses__header-title {
  position: absolute;
  left: var(--spacing-xl);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

.my-courses__last {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin: var(--spacing-md) var(--spacing-xl) 0;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: #f5f9ff;
  border: 1px dashed #c5daf5;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.my-courses__last-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: var(--spacing-2xl);
  color: #b8cfe8;
  font-size: var(--font-size-sm);
  opacity: 0.45;
  transform: rotate(-8deg);
  pointer-events: none;
  white-space: nowrap;
}

.my-courses__last-info {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.my-courses__last-path {
  font-size: var(--font-size-sm);
  color: #333333;
  font-weight: 500;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.my-courses__last-progress {
  font-size: var(--font-size-xs);
  color: #666666;
}

.my-courses__last-btn {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  padding: 6px 16px;
  background: #ff8c42;
  color: #ffffff;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.my-courses__last-btn:hover {
  background: #f97316;
  color: #ffffff;
}

.my-courses__toolbar {
  display: flex;
  justify-content: flex-end;
  padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-md);
}

.my-courses__search {
  display: flex;
  align-items: center;
  width: 240px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #ffffff;
}

.my-courses__search-input {
  flex: 1;
  min-width: 0;
  border: none;
  padding: 8px 12px;
  font-size: var(--font-size-sm);
  outline: none;
}

.my-courses__search-input::placeholder {
  color: #bbbbbb;
}

.my-courses__search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  color: #999999;
  background: transparent;
}

.my-courses__empty {
  padding: var(--spacing-3xl);
  text-align: center;
  color: #999999;
  font-size: var(--font-size-sm);
}

.my-course-list {
  display: flex;
  flex-direction: column;
}

.my-course-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid #f0f0f0;
  transition: background var(--transition-fast);
}

.my-course-item:hover {
  background: #fafbfc;
}

.my-course-item__cover {
  width: 160px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  background: #e8e8e8;
}

.my-course-item__cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.my-course-item__cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #c0c0c0;
}

.my-course-item__cover-placeholder svg {
  width: 32px;
  height: 32px;
}

.my-course-item__info {
  flex: 1;
  min-width: 0;
}

.my-course-item__title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: #333333;
  margin-bottom: var(--spacing-sm);
}

.my-course-item__title a:hover {
  color: #58a6f7;
}

.my-course-item__tags {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  min-width: 0;
}

.my-course-item__tag {
  flex-shrink: 0;
  padding: 2px 8px;
  background: #ff8c42;
  color: #ffffff;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.my-course-item__tag-text {
  font-size: var(--font-size-sm);
  color: #8b7355;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.my-course-item__expire {
  font-size: var(--font-size-sm);
  color: #999999;
}

.my-course-item__btn {
  flex-shrink: 0;
  padding: 8px 20px;
  background: #58a6f7;
  color: #ffffff;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  white-space: nowrap;
}

.my-course-item__btn:hover {
  background: #3d96f5;
  color: #ffffff;
}

@media (max-width: 1024px) {
  .member-layout {
    flex-direction: column;
  }

  .member-sidebar {
    flex: none;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .member-main {
    padding: var(--spacing-lg);
  }

  .my-courses {
    margin: calc(-1 * var(--spacing-lg));
  }

  .my-courses__last {
    flex-direction: column;
    align-items: flex-start;
    margin: var(--spacing-md);
    padding: var(--spacing-md);
  }

  .my-courses__toolbar {
    padding: var(--spacing-md);
  }

  .my-courses__search {
    width: 100%;
  }

  .my-course-item {
    flex-wrap: wrap;
    padding: var(--spacing-md);
  }

  .my-course-item__cover {
    width: 120px;
  }

  .my-course-item__btn {
    width: 100%;
    text-align: center;
  }

  .agreement-item {
    flex-wrap: wrap;
  }

  .agreement-item__btn {
    width: 100%;
  }

  .message-item {
    flex-wrap: wrap;
  }

  .message-item__time {
    width: 100%;
    padding-left: 20px;
  }
}