/* ==========================================================================
   布局层
   A. 后台骨架（总后台 / 供应商后台 / 采购商后台共用）
   B. 官网骨架（门户，内容区 1200px 居中）
   ========================================================================== */

/* ======================== A. 后台骨架 ======================== */
.bf-app {
  min-width: 1280px;
  min-height: 100vh;
  background: var(--td-bg-color-page);
}

/* 顶栏 64px */
.bf-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--bf-topbar-height);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px 0 0;
  background: var(--td-bg-color-container);
  border-bottom: 1px solid var(--td-component-stroke);
}

.bf-topbar__brand {
  width: var(--bf-sider-width);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px;
  flex: none;
  border-right: 1px solid var(--bf-outline-variant);
}

.bf-logo {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: linear-gradient(135deg, #0052d9, #366ef4);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  letter-spacing: -0.5px;
}

.bf-topbar__title {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.bf-search {
  position: relative;
  width: 260px;
}

.bf-search input {
  width: 100%;
  height: 34px;
  padding: 0 32px 0 32px;
  border: none;
  border-radius: var(--bf-radius-pill);
  background: var(--td-bg-color-secondarycontainer);
  font-size: 14px;
}

.bf-search input:focus {
  outline: none;
  background: var(--td-bg-color-container);
  box-shadow: 0 0 0 2px var(--td-brand-color-focus);
}

.bf-search__icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--td-text-color-placeholder);
  font-size: 15px;
  line-height: 1;
}

.bf-topbar__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bf-icon-btn {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: var(--td-radius-default);
  color: var(--td-text-color-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.bf-icon-btn:hover {
  background: var(--td-bg-color-secondarycontainer);
  color: var(--td-brand-color);
}

.bf-badge {
  position: absolute;
  top: 3px;
  right: 2px;
  min-width: 15px;
  height: 15px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--td-error-color);
  color: #fff;
  font-size: 10px;
  line-height: 15px;
  text-align: center;
  font-family: var(--bf-font-number);
}

.bf-user {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  height: 40px;
  border-radius: var(--td-radius-default);
  font-size: 14px;
}

.bf-user:hover {
  background: var(--td-bg-color-secondarycontainer);
}

.bf-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--td-brand-color-light-2);
  color: #003cab;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}

/* 主体：侧边菜单 + 内容 */
.bf-body {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - var(--bf-topbar-height));
}

.bf-sider {
  width: var(--bf-sider-width);
  flex: none;
  background: var(--td-bg-color-container);
  border-right: 1px solid var(--td-component-stroke);
  padding: 8px 0 24px;
  overflow-y: auto;
  position: sticky;
  top: var(--bf-topbar-height);
  height: calc(100vh - var(--bf-topbar-height));
}

.bf-sider__group {
  padding: 14px 20px 6px;
  font-size: 12px;
  color: var(--td-text-color-placeholder);
}

.bf-menu-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  margin: 2px 8px;
  padding: 0 12px;
  border-radius: var(--td-radius-default);
  color: var(--td-text-color-primary);
  font-size: 14px;
  cursor: pointer;
}

.bf-menu-item:hover {
  background: var(--td-bg-color-secondarycontainer);
}

.bf-menu-item.is-active {
  background: var(--td-brand-color-light);
  color: var(--td-brand-color);
  font-weight: 500;
}

.bf-menu-item.is-active::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 9px;
  bottom: 9px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--td-brand-color);
}

.bf-menu-item__icon {
  width: 16px;
  text-align: center;
  font-size: 15px;
  flex: none;
  opacity: 0.85;
}

.bf-menu-item__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--td-error-color);
  font-family: var(--bf-font-number);
}

.bf-menu-sub {
  overflow: hidden;
}

.bf-menu-sub .bf-menu-item {
  height: 36px;
  padding-left: 38px;
  font-size: 13px;
  color: var(--td-text-color-secondary);
}

.bf-menu-sub .bf-menu-item.is-active {
  background: transparent;
  color: var(--td-brand-color);
  font-weight: 500;
}

.bf-menu-sub .bf-menu-item.is-active::before {
  display: none;
}

/* 内容区 */
.bf-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* 多标签页 40px */
.bf-tabsbar {
  height: var(--bf-tabsbar-height);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: var(--td-bg-color-container);
  border-bottom: 1px solid var(--td-component-stroke);
  overflow: hidden;
}

.bf-tabsbar__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--td-component-stroke);
  border-radius: var(--td-radius-default);
  background: var(--td-bg-color-container);
  color: var(--td-text-color-secondary);
  font-size: 13px;
  white-space: nowrap;
}

.bf-tabsbar__item.is-active {
  background: var(--td-brand-color-light);
  border-color: var(--td-brand-color-light-2);
  color: var(--td-brand-color);
}

.bf-tabsbar__close {
  color: var(--td-text-color-placeholder);
  font-size: 12px;
}

.bf-tabsbar__close:hover {
  color: var(--td-error-color);
}

/* 面包屑 40px */
.bf-breadcrumb {
  height: var(--bf-breadcrumb-height);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px;
  font-size: 13px;
  color: var(--td-text-color-placeholder);
  background: var(--td-bg-color-page);
}

.bf-breadcrumb a {
  color: var(--td-text-color-secondary);
}

.bf-breadcrumb__sep {
  color: var(--td-text-color-disabled);
}

/* 页面容器 */
.bf-page {
  flex: 1;
  padding: 0 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bf-page__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.bf-page__desc {
  margin-top: 4px;
  font-size: 13px;
  color: var(--td-text-color-secondary);
}

/* 栅格 */
.bf-grid {
  display: grid;
  gap: 16px;
}

.bf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.bf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.bf-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.bf-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.bf-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.bf-grid--2-1 { grid-template-columns: 2fr 1fr; }
.bf-grid--1-2 { grid-template-columns: 1fr 2fr; }
.bf-grid--3-2 { grid-template-columns: 3fr 2fr; }

@media (max-width: 1440px) {
  .bf-grid--5 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ======================== B. 官网骨架 ======================== */
.pf-header {
  height: 64px;
  background: var(--td-bg-color-container);
  border-bottom: 1px solid var(--bf-outline-variant);
  position: sticky;
  top: 0;
  z-index: 50;
}

.pf-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 0 24px;
}

.pf-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pf-nav__item {
  padding: 8px 14px;
  border-radius: var(--td-radius-default);
  color: var(--td-text-color-primary);
  font-size: 15px;
}

.pf-nav__item:hover {
  background: var(--td-bg-color-secondarycontainer);
  color: var(--td-brand-color);
}

.pf-nav__item.is-active {
  color: var(--td-brand-color);
  font-weight: 500;
}

.pf-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.pf-section {
  padding: 40px 0;
}

.pf-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 20px;
}

.pf-section__title {
  font-size: 22px;
  font-weight: 600;
}

.pf-section__sub {
  margin-top: 4px;
  font-size: 13px;
  color: var(--td-text-color-secondary);
}

.pf-footer {
  margin-top: 48px;
  padding: 32px 0;
  background: #1f2733;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
}

.pf-footer a {
  color: rgba(255, 255, 255, 0.65);
}

.pf-footer a:hover {
  color: #fff;
}

/* 官网 Banner */
.pf-hero {
  background: linear-gradient(120deg, #001a57 0%, #003cab 45%, #0052d9 100%);
  color: #fff;
  padding: 40px 0;
}

/* 行情面板（官网首页核心） */
.pf-quote-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--bf-radius-card);
  padding: 16px;
  backdrop-filter: blur(4px);
}

.pf-quote-card__name {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

.pf-quote-card__value {
  margin-top: 8px;
  font-size: 24px;
  font-weight: 600;
  font-family: var(--bf-font-number);
  font-variant-numeric: tabular-nums;
}

.pf-quote-card__chg {
  margin-top: 4px;
  font-size: 13px;
  font-family: var(--bf-font-number);
}

/* 通用列表卡（资讯 / 供需 / 企业） */
.pf-card {
  background: var(--td-bg-color-container);
  border: 1px solid var(--td-component-stroke);
  border-radius: var(--bf-radius-card);
  box-shadow: var(--td-shadow-1);
  transition: box-shadow var(--td-anim-duration-base), transform var(--td-anim-duration-base);
}

.pf-card:hover {
  box-shadow: var(--td-shadow-2);
  transform: translateY(-2px);
}

.pf-card__body {
  padding: 16px;
}

.pf-thumb {
  border-radius: var(--td-radius-default);
  background: linear-gradient(135deg, #eef1f7, #dfe5f0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9aa7bd;
  font-size: 12px;
  flex: none;
  overflow: hidden;
}

/* 图文列表项 */
.pf-list-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--bf-outline-variant);
}

.pf-list-item:last-child {
  border-bottom: none;
}

.pf-list-item:hover {
  background: var(--td-brand-color-light);
}

.pf-list-item__title {
  font-size: 16px;
  font-weight: 500;
  line-height: 24px;
}

.pf-list-item__meta {
  margin-top: 8px;
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--td-text-color-placeholder);
}

/* 页头（官网内页） */
.pf-pagehead {
  background: var(--td-bg-color-container);
  border-bottom: 1px solid var(--bf-outline-variant);
  padding: 24px 0 0;
}

/* 原型页面容器（移动端预览用）：居中手机框 */
.pf-phone-stage {
  min-height: 100vh;
  background: #eceff3;
  padding: 32px 24px 48px;
  display: flex;
  justify-content: center;
}