/* ===== 全局重置 & 字体 ===== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: "pingfang SC", "helvetica neue", arial, "hiragino sans gb", "microsoft yahei ui", "microsoft yahei", simsun, sans-serif !important;
      background: #fff;
      color: #000;
      font-size: 14px;
      line-height: 1.5;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.2s ease;
    }
    a:hover {
      text-decoration: none;
    }
    ul, ol, li {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    img {
      max-width: 100%;
      height: auto;
      vertical-align: middle;
    }
    .clearfix::after {
      content: "";
      display: table;
      clear: both;
    }

    /* ===== 容器 ===== */
    .pha-container {
      max-width: 1350px;
      margin: 0 auto;
      padding-left: 15px;
      padding-right: 15px;
    }

    /* ===== 各部分上下padding (移动端适配) ===== */
    .pha-section {
      padding-top: 90px;
      padding-bottom: 60px;
    }
    @media (max-width: 576px) {
      .pha-section {
        padding-top: 50px;
        padding-bottom: 50px;
      }
    }

    /* ===== 标题 ===== */
    .pha-title {
      font-size: 30px;
      color: #000;
      text-align: center;
      font-weight: bold;
      margin: 0 0 30px 0;
    }
    @media (max-width: 576px) {
      .pha-title {
        font-size: 24px;
        margin-bottom: 20px;
      }
    }

    /* ===== 小字 ===== */
    .pha-small-text {
      font-size: 14px;
      color: #666;
    }

    /* ===== Banner ===== */
    .pha-banner-wrap {
      margin-top: 60px;
      background: url("/css/2021/images/pha_banner.jpg") no-repeat top center;
      background-size: cover;
      min-height: 531px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
    }
    @media (max-width: 768px) {
      .pha-banner-wrap {
        min-height: 380px;
      }
    }
    @media (max-width: 576px) {
      .pha-banner-wrap {
        min-height: 280px;
      }
    }
    .pha-banner-content {
      padding: 15px;
    }
    .pha-banner-content h1 {
      margin-bottom: 30px;
    }
    .pha-banner-content h1 img {
      max-width: 90%;
    }
    .pha-banner-text {
      font-size: 15px;
      color: #fff;
      margin: 30px 0 40px;
      line-height: 1.6;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    @media (max-width: 576px) {
      .pha-banner-text {
        font-size: 13px;
        margin: 20px 0 25px;
      }
    }

    /* ===== 按钮 ===== */
    .pha-btn {
      display: inline-block;
      padding: 10px 30px;
      border-radius: 10px;
      background: #00cc65;
      color: #fff;
      font-size: 16px;
      font-weight: 500;
      border: 1px solid #00cc65;
      transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
      cursor: pointer;
      text-align: center;
    }
    .pha-btn:hover {
      background: #00b85a;
      color: #fff;
      transform: scale(1.02);
      box-shadow: 0 6px 14px rgba(0, 204, 101, 0.3);
    }
    .pha-btn-outline {
      background: transparent;
      color: #00cc65;
      border: 1px solid #00cc65;
    }
    .pha-btn-outline:hover {
      background: #00cc65;
      color: #fff;
    }
    @media (max-width: 576px) {
      .pha-btn {
        padding: 8px 20px;
        font-size: 14px;
      }
    }

    /* ===== 卡片 ===== */
    .pha-card {
      background: #fff;
      border-radius: 10px;
      transition: all 0.25s ease;
      padding: 20px 20px 25px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      border: 1px solid #f0f0f0;
    }
    .pha-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(0,0,0,0.08);
      border-color: #00cc65;
    }

    /* ===== 列表标题 ===== */
    .pha-list-title {
      font-size: 18px;
      color: #333;
      font-weight: bold;
      display: flex;
      align-items: center;
      margin-bottom: 12px;
    }
    .pha-list-title span {
      display: inline-block;
      width: 6px;
      height: 15px;
      background: #00cc65;
      margin-right: 10px;
      flex-shrink: 0;
    }

    /* ===== 列表描述 ===== */
    .pha-list-desc {
      font-size: 14px;
      color: #333;
      line-height: 1.8;
    }
    .pha-list-desc .badge-info {
      display: inline-block;
      margin-right: 20px;
      font-weight: normal;
    }
    @media (max-width: 768px) {
      .pha-list-desc .badge-info {
        display: block;
        margin-right: 0;
        margin-bottom: 4px;
      }
    }

    /* ===== 灰色背景 ===== */
    .pha-bg-gray {
      background: #f9f9f9;
    }

    /* ===== PHA项目跟进支持 (上下结构) ===== */
    .pha-support-list {
      margin-top: 40px;
    }
    .pha-support-item {
      margin-bottom: 37px;
    }
    .pha-support-item:last-child {
      margin-bottom: 0;
    }
    .pha-support-item .pha-list-desc {
      margin-top: 12px;
    }
    .pha-support-item .pha-list-desc .badge-info {
      margin-right: 90px;
    }
    @media (max-width: 576px) {
      .pha-support-item .pha-list-desc .badge-info {
        margin-right: 20px;
      }
    }

    /* ===== 疑难解答区域 ===== */
    .pha-query-wrap {
      padding-top: 38px;
      padding-bottom: 37px;
    }
    .pha-query-item {
      position: relative;
      margin-bottom: 0;
    }
    .pha-query-item .pha-query-img {
      position: absolute;
      bottom: -37px;
      right: 0;
    }
    @media (max-width: 576px) {
      .pha-query-item .pha-query-img {
        position: static;
        margin-top: 20px;
        max-width: 120px;
      }
    }

    /* ===== 疑难解答按钮组 ===== */
    .pha-query-btns .pha-btn {
      margin-right: 16px;
      margin-bottom: 10px;
      min-width: 120px;
    }
    .pha-query-btns .pha-btn:last-child {
      margin-right: 0;
    }
    @media (max-width: 768px) {
      .pha-query-btns .pha-btn {
        min-width: 100px;
        margin-right: 8px;
        padding: 8px 18px;
        font-size: 14px;
      }
    }

    /* ===== 关于Phala 文字 ===== */
    .pha-about-text {
      margin-top: 40px;
    }
    .pha-about-text p {
      color: #333;
      line-height: 2;
      margin-bottom: 1rem;
    }

    /* ===== 怎么获得PHA (flex布局) ===== */
    .pha-feature-flex {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 30px;
      margin-top: 30px;
    }
    .pha-feature-flex .img-col {
      flex: 0 0 auto;
      max-width: 100%;
    }
    .pha-feature-flex .text-col {
      flex: 1;
      min-width: 260px;
    }

    /* ===== 获得PHA列表 ===== */
    .pha-feature-list li {
      display: flex;
      flex-direction: column;
      margin-bottom: 30px;
    }
    .pha-feature-list li h3 {
      font-size: 16px;
      color: #fff;
      background: #00cc65;
      padding: 6px 18px;
      border-radius: 20px;
      display: inline-block;
      width: fit-content;
      margin-bottom: 10px;
      font-weight: 600;
    }
    .pha-feature-list li p {
      font-size: 14px;
      color: #333;
      line-height: 1.8;
      margin: 0;
    }

    /* ===== 新闻列表 ===== */
    .pha-news-item {
      display: flex;
      align-items: center;
      padding: 8px 0;
      border-bottom: 1px dashed #eee;
    }
    .pha-news-item:last-child {
      border-bottom: none;
    }
    .pha-news-item .num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: #00cc65;
      color: #fff;
      border-radius: 50%;
      font-size: 12px;
      margin-right: 10px;
      flex-shrink: 0;
    }
    .pha-news-item a {
      font-size: 14px;
      color: #333;
      transition: color 0.2s;
      display: block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .pha-news-item a:hover {
      color: #00cc65;
    }
    @media (max-width: 768px) {
      .pha-news-item a {
        font-size: 13px;
      }
    }

    /* ===== 图片统一路径 ===== */
    .pha-img-fix {
      display: block;
    }