* {
          margin: 0;
          padding: 0;
          box-sizing: border-box;
          font-family: "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
        }
        html {
          scroll-behavior: smooth;
        }
        body {
          background-color: #f5f5f7;
          color: #333;
          overflow-x: hidden;
        }
        a {
          text-decoration: none;
          color: inherit;
        }
        ul {
          list-style: none;
        }
        img {
          max-width: 100%;
          display: inline-block;
        }
         :root {
          --primary: #6C2BD9;
          --primaryDark: #4A20B3;
          --primaryLight: #B8A0FF;
          --darkBg: #0F0B20;
          --grad-purple: linear-gradient(135deg, #4A20B3 0%, #7B2FFD 100%);
        }
        .full-wrap {
          width: 100%;
        }
        .content-wrap {
          width: 100%;
          max-width: 1440px;
          margin: 0 auto;
          padding: 0 20px;
        }
        @media (min-width: 768px) {
          .content-wrap {
            padding: 0 36px;
          }
        }
        @media (min-width: 1600px) {
          .content-wrap {
            padding: 0 60px;
          }
        }
        .section-padding {
          padding: 80px 0;
        }
        @media (min-width: 1024px) {
          .section-padding {
            padding: 120px 0;
          }
        }
        .bg-gray-section {
          background: #f0f0f3;
        }
        .section-title-wrap {
          text-align: center;
          margin-bottom: 64px;
        }
        .section-title {
          font-size: clamp(1.8rem, 3vw, 2.4rem);
          font-weight: 700;
          color: var(--primaryDark);
          margin-bottom: 18px;
          letter-spacing: 1px;
        }
        .title-line {
          width: 110px;
          height: 6px;
          border-radius: 99px;
          background: var(--grad-purple);
          margin: 0 auto;
        }
        .glass-white {
          background: rgba(255, 255, 255, 0.94);
          box-shadow: 0 8px 36px rgba(108, 43, 217, 0.12);
          border-radius: 20px;
          overflow: hidden;
        }
        .glass-card {
          background: rgb(111 46 233);
          backdrop-filter: blur(12px);
          -webkit-backdrop-filter: blur(12px);
          border: 1px solid rgba(255, 255, 255, 0.12);
          border-radius: 14px;
        }
        .hover-up {
          transition: all 0.38s cubic-bezier(0.2, 0, 0.2, 1);
        }
        .hover-up:hover {
          transform: translateY(-10px);
          box-shadow: 0 20px 48px rgba(108, 43, 217, 0.22);
        }
        .text-shadow {
          text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }
        header {
          width: 100%;
          position: fixed;
          top: 0;
          left: 0;
          z-index: 999;
          background: var(--grad-purple);
          transition: box-shadow 0.3s ease;
        }
        .header-inner {
          height: 84px;
          display: flex;
          align-items: center;
          justify-content: space-between;
        }
        @media(min-width:1024px) {
          .header-inner {
            height: 104px;
          }
        }
        .logo {
          display: flex;
          align-items: center;
          gap: 14px;
          color: #fff;
        }
        .logo-icon {
          width: 48px;
          height: 48px;
          border-radius: 50%;
          background: #fff;
          display: flex;
          align-items: center;
          justify-content: center;
          color: var(--primary);
          font-size: 24px;
          flex-shrink: 0;
        }
        .logo-text-wrap {
          display: flex;
          flex-direction: column;
          line-height: 1.25;
        }
        .logo-main {
          font-size: 17px;
          font-weight: bold;
        }
        .logo-sub {
          font-size: 13px;
          opacity: 0.88;
        }
        .logo-text {
          font-size: 19px;
          font-weight: bold;
        }
        @media(min-width:1024px) {
          .logo-text {
            font-size: 23px;
          }
        }
        @media(min-width:1024px) {
          .logo-icon {
            width: 54px;
            height: 54px;
          }
          .logo-main {
            font-size: 21px;
          }
          .logo-sub {
            font-size: 14px;
          }
        }
        /* PC导航 */
        .pc-nav {
          display: none;
        }
        @media(min-width:1024px) {
          .pc-nav {
            display: flex;
            align-items: center;
            gap: 36px;
            color: #fff;
            font-size: 16px;
          }
        }
        .nav-item {
          position: relative;
          padding: 10px 0;
          cursor: pointer;
        }
        .nav-item > a {
          display: flex;
          align-items: center;
          gap: 6px;
        }
        .nav-item:hover > a {
          color: var(--primaryLight);
        }
        .nav-active {
          border-bottom: 3px solid #fff;
        }
        /* 下拉菜单 */
        .nav-dropdown {
          position: absolute;
          top: 100%;
          left: 0;
          width: 240px;
          margin-top: 10px;
          padding: 20px;
          opacity: 0;
          visibility: hidden;
          transform: translateY(14px);
          transition: all 0.3s ease;
        }
        .nav-item:hover .nav-dropdown {
          opacity: 1;
          visibility: visible;
          transform: translateY(0);
        }
        .nav-dropdown a {
          display: block;
          padding: 10px 0;
          font-size: 15px;
        }
        .nav-dropdown a:hover {
          color: var(--primaryLight);
        }
        .menu-btn {
          display: block;
          color: #fff;
          font-size: 26px;
          background: transparent;
          border: none;
          cursor: pointer;
        }
        @media(min-width:1024px) {
          .menu-btn {
            display: none;
          }
        }
        .mobile-menu {
          display: none;
          padding: 20px;
        }
        .mobile-menu.open {
          display: block;
        }
        .mobile-menu a {
          display: block;
          padding: 10px 14px;
          color: #fff;
          font-size: 16px;
        }
        .mobile-submenu {
          padding-left: 28px;
          display: none;
        }
        .mobile-submenu.open {
          display: block;
        }
        .mobile-group-trigger {
          display: flex;
          justify-content: space-between;
          padding: 10px 14px;
          color: #fff;
        }
        .mobile-group-wrap {
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding: 10px 14px;
          color: #fff;
          cursor: default;
        }
        .mobile-group-link {
          color: #fff;
          flex: 1;
        }
        .mobile-group-link.nav-active {
          color: var(--primaryLight);
        }
        .mobile-group-arrow {
          padding-left: 10px;
          flex-shrink: 0;
          display: none;
          transition: transform 0.25s;
        }
        .mobile-group-wrap + .mobile-submenu ~ .mobile-group-wrap .mobile-group-arrow, .mobile-group-wrap:has(+ .mobile-submenu) .mobile-group-arrow {
          display: inline-block;
        }
        .mobile-submenu {
          padding-left: 28px;
          display: none;
        }
        .mobile-submenu.open {
          display: block;
        }
        .banner-wrap {
          margin-top: 84px;
          height: 52vh;
          position: relative;
          overflow: hidden;
        }
        @media(min-width:768px) {
          .banner-wrap {
            height: 68vh;
          }
        }
        @media(min-width:1024px) {
          .banner-wrap {
            margin-top: 104px;
            height: 78vh;
          }
        }
        .carousel-item {
          position: absolute;
          inset: 0;
          opacity: 0;
          transition: opacity 0.8s ease-in-out;
          background: var(--grad-purple);
        }
        .carousel-item.active {
          opacity: 1;
        }
        .carousel-bg-decor {
          position: absolute;
          inset: 0;
          opacity: 0.1;
          overflow: hidden;
        }
        .decor-circle-1 {
          position: absolute;
          width: 720px;
          height: 720px;
          border-radius: 50%;
          background: rgba(255, 255, 255, 0.2);
          filter: blur(56px);
          left: -200px;
          top: 40px;
        }
        .decor-circle-2 {
          position: absolute;
          width: 640px;
          height: 640px;
          border-radius: 50%;
          background: rgba(184, 160, 255, 0.25);
          filter: blur(56px);
          right: -120px;
          bottom: 0;
        }
        .banner-content {
          position: relative;
          z-index: 2;
          width: 100%;
          height: 100%;
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          text-align: center;
          color: #fff;
          padding: 0 20px;
        }
        .banner-title {
          font-size: clamp(2rem, 5vw, 3.8rem);
          font-weight: bold;
          margin-bottom: 28px;
          line-height: 1.2;
        }
        .banner-desc {
          font-size: clamp(1.1rem, 2vw, 1.5rem);
          color: var(--primaryLight);
          max-width: 1100px;
          margin-bottom: 48px;
          line-height: 1.6;
        }
        .banner-btn {
          background: #fff;
          color: var(--primary);
          padding: 18px 44px;
          border-radius: 999px;
          font-size: 19px;
          font-weight: 500;
          display: inline-block;
        }
        /* 轮播箭头 */
        .carousel-arrow {
          position: absolute;
          top: 50%;
          transform: translateY(-50%);
          width: 52px;
          height: 52px;
          border-radius: 50%;
          border: none;
          background: rgba(255, 255, 255, 0.08);
          backdrop-filter: blur(6px);
          color: #fff;
          font-size: 22px;
          cursor: pointer;
          z-index: 10;
          transition: background 0.3s;
        }
        .carousel-arrow:hover {
          background: rgba(255, 255, 255, 0.2);
        }
        .prev-arrow {
          left: 20px;
        }
        @media(min-width:1024px) {
          .prev-arrow {
            left: 60px;
          }
        }
        .next-arrow {
          right: 20px;
        }
        @media(min-width:1024px) {
          .next-arrow {
            right: 60px;
          }
        }
        /* 指示器 */
        .dots-wrap {
          position: absolute;
          bottom: 32px;
          left: 50%;
          transform: translateX(-50%);
          display: flex;
          gap: 14px;
          z-index: 10;
        }
        .dot {
          width: 14px;
          height: 14px;
          border-radius: 50%;
          background: #fff;
          opacity: 0.35;
          cursor: pointer;
          transition: all 0.3s;
        }
        .dot.active {
          opacity: 1;
          transform: scale(1.2);
        }
        .grid-4 {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 28px;
        }
        @media(min-width:768px) {
          .grid-4 {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        @media(min-width:1024px) {
          .grid-4 {
            grid-template-columns: repeat(4, 1fr);
          }
        }
        .news-card-img {
          height: 190px;
          background: #e5e7eb;
        }
        .news-card-text {
          padding: 24px;
        }
        .news-card-text h3 {
          font-size: 16px;
          font-weight: 500;
          line-height: 1.5;
          display: -webkit-box;
          -webkit-line-clamp: 2;
          -webkit-box-orient: vertical;
          overflow: hidden;
        }
        .grid-3 {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 28px;
          max-width: 900px;
          margin: 0 auto;
        }
        @media(min-width:768px) {
          .grid-3 {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        .entry-purple {
          background: var(--grad-purple);
          color: #fff;
          text-align: center;
          padding: 48px 20px;
          border-radius: 20px;
          font-size: 21px;
          font-weight: 500;
        }
        .entry-white {
          background: rgba(255, 255, 255, 0.94);
          color: var(--primaryDark);
          text-align: center;
          padding: 48px 20px;
          border-radius: 20px;
          font-size: 21px;
          font-weight: 500;
          box-shadow: 0 8px 36px rgba(108, 43, 217, 0.12);
        }
        .school-item {
          padding: 32px 20px;
          text-align: center;
        }
        .school-avatar {
          height: 104px;
          border-radius: 50%;
          margin: 0 auto 20px;
        }
        .school-item h4 {
          font-size: 17px;
        }
        .two-col {
          display: flex;
          flex-direction: column;
          gap: 56px;
          align-items: center;
        }
        @media(min-width:1024px) {
          .two-col {
            flex-direction: row;
          }
        }
        .circle-uni-box {
          width: 320px;
          height: 320px;
          border-radius: 50%;
          background: rgba(255, 255, 255, 0.94);
          box-shadow: 0 8px 36px rgba(108, 43, 217, 0.12);
          display: flex;
          align-items: center;
          justify-content: center;
          font-size: 90px;
          color: var(--primary);
        }
        .uni-text {
          flex: 1;
        }
        .uni-text h3 {
          font-size: clamp(1.5rem, 2.5vw, 2.1rem);
          color: var(--primaryDark);
          font-weight: bold;
          margin-bottom: 28px;
        }
        .uni-text li {
          margin-bottom: 14px;
          font-size: 18px;
          color: #444;
        }
        .info-two-col {
          display: grid;
          grid-template-columns: 1fr;
          gap: 48px;
        }
        @media(min-width:1024px) {
          .info-two-col {
            grid-template-columns: 1fr 1fr;
          }
        }
        .info-block {
          padding: 40px;
        }
        .info-block h3 {
          font-size: 24px;
          color: var(--primaryDark);
          font-weight: bold;
          display: flex;
          align-items: center;
          gap: 14px;
          margin-bottom: 36px;
        }
        .line-mark {
          width: 6px;
          height: 36px;
          background: var(--grad-purple);
          border-radius: 4px;
        }
        .info-row {
          display: flex;
          justify-content: space-between;
          padding-bottom: 14px;
          border-bottom: 1px solid #ddd;
          margin-bottom: 14px;
          font-size: 16px;
        }
        .info-date {
          color: #999;
        }
        .volunteer-card-img {
          height: 180px;
          background: #e5e7eb;
        }
        .volunteer-card-text {
          padding: 20px;
          text-align: center;
          font-size: 17px;
        }
        .cert-box {
          height: 210px;
          background: #eee;
          padding: 24px;
        }
        footer {
          background: var(--darkBg);
          color: #fff;
          padding: 80px 0 40px;
        }
        .footer-grid {
          display: grid;
          grid-template-columns: 1fr;
          gap: 48px;
          padding-bottom: 48px;
          border-bottom: 1px solid rgba(255, 255, 255, 0.1);
          margin-bottom: 40px;
        }
        @media(min-width:768px) {
          .footer-grid {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        .footer-col h4 {
          font-size: 22px;
          margin-bottom: 24px;
        }
        .footer-col p, .footer-col a {
          color: #aaaaaa;
          line-height: 1.8;
          font-size: 16px;
        }
        .footer-col a:hover {
          color: var(--primaryLight);
        }
        .copyright {
          text-align: center;
          color: #777;
          font-size: 15px;
        }
        .page-banner {
          margin-top: 84px;
          height: 42vh;
          position: relative;
          overflow: hidden;
          background: var(--grad-purple);
        }
        @media(min-width:1024px) {
          .page-banner {
            margin-top: 104px;
            height: 38vh;
          }
        }
        .banner-bg-decor {
          position: absolute;
          inset: 0;
          opacity: 0.1;
          overflow: hidden;
        }
        .decor-circle-1 {
          position: absolute;
          width: 720px;
          height: 720px;
          border-radius: 50%;
          background: rgba(255, 255, 255, 0.2);
          filter: blur(56px);
          left: -200px;
          top: 40px;
        }
        .decor-circle-2 {
          position: absolute;
          width: 640px;
          height: 640px;
          border-radius: 50%;
          background: rgba(184, 160, 255, 0.25);
          filter: blur(56px);
          right: -120px;
          bottom: 0;
        }
        .banner-content {
          position: relative;
          z-index: 2;
          width: 100%;
          height: 100%;
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          text-align: center;
          color: #fff;
          padding: 0 20px;
        }
        .banner-title {
          font-size: clamp(1.8rem, 4vw, 3rem);
          font-weight: bold;
          margin-bottom: 20px;
          line-height: 1.2;
          text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
        }
        .grid-3 {
          display: grid;
          grid-template-columns: repeat(1, 1fr);
          gap: 32px;
        }
        @media(min-width:768px) {
          .grid-3 {
            grid-template-columns: repeat(2, 1fr);
          }
        }
        @media(min-width:1024px) {
          .grid-3 {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        .course-img {
          height: 210px;
          background: #e5e7eb;
        }
        .course-text {
          padding: 28px;
        }
        .course-text h3 {
          font-size: 20px;
          color: var(--primaryDark);
          margin-bottom: 14px;
        }
        .course-text p {
          color: #555;
          line-height: 1.7;
          margin-bottom: 20px;
        }
        .course-link {
          display: inline-block;
          padding: 10px 24px;
          background: var(--grad-purple);
          color: #fff;
          border-radius: 10px;
        }
        .two-col-layout {
          display: flex;
          flex-direction: column;
          gap: 56px;
          align-items: center;
        }
        @media(min-width:1024px) {
          .two-col-layout {
            flex-direction: row;
          }
        }
        .col-half {
          width: 100%;
        }
        @media(min-width:1024px) {
          .col-half {
            width: 50%;
          }
        }
        .block-img-box {
          height: 380px;
          background: #ddd;
          border-radius: 20px;
        }
        .faq-item {
          margin-bottom: 20px;
        }
        .faq-question {
          padding: 20px 28px;
          background: #fff;
          border-radius: 16px;
          cursor: pointer;
          display: flex;
          justify-content: space-between;
          align-items: center;
          font-weight: 500;
          font-size: 18px;
        }
        .faq-answer {
          padding: 0 28px;
          height: 0;
          overflow: hidden;
          transition: all 0.3s ease;
          color: #444;
          line-height: 1.8;
          font-size: 16px;
        }
        .faq-answer.open {
          padding: 20px 28px;
          height: auto;
        }
        .mobile-group-wrap {
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding: 10px 14px;
          color: #fff;
          cursor: pointer;
        }
        .mobile-group-link {
          color: #fff;
          flex: 1;
        }
        .mobile-group-link.nav-active {
          color: var(--primaryLight);
        }
        .mobile-group-arrow {
          padding-left: 10px;
          flex-shrink: 0;
        }

        .mobile-group-trigger {
          display: none !important;
        }
        .grid-5 {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 36px;
          width: 100%;
        }
        @media(min-width:768px) {
          .grid-5 {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        @media(min-width:1200px) {
          .grid-5 {
            grid-template-columns: repeat(5, 1fr);
          }
        }
        .entry-card {
          text-align: center;
          padding: 48px 20px;
          border-radius: 20px;
          font-size: 21px;
          font-weight: 500;
          position: relative;
          overflow: hidden;
          z-index: 1;
        }
        .entry-card::after {
          content: "";
          position: absolute;
          inset: 0;
          z-index: -1;
          transition: opacity 0.3s;
        }
        .card-purple {
          color: #fff;
        }
        .card-purple::after {
          background: var(--grad-purple);
          opacity: 0.92;
        }
        .card-light {
          color: var(--primaryDark);
        }
        .card-light::after {
          background: rgba(255, 255, 255, 0.94);
          box-shadow: 0 8px 36px rgba(108, 43, 217, 0.12);
        }
        .course-card {
          display: block;
          overflow: hidden;
        }
        .course-img {
          width: 100%;
          height: 220px;/\* 调高图片高度，视觉更大气 \*/ overflow: hidden;
        }
        .course-text {
          padding: 24px;
        }
        .course-text h3 {
          font-size: 19px;
          margin-bottom: 12px;
          font-weight: 600;
        }
        .course-text p {
          font-size: 15px;
          line-height: 1.7;
          color: #555;
          margin-bottom: 18px;
        }
        .course-link {
          display: inline-block;
          padding: 9px 22px;
          background: var(--grad-purple);
          color: #fff;
          border-radius: 30px;
          font-size: 15px;
        }
        .main-wrap {
          display: grid;
          grid-template-columns: 280px 1fr;
          gap: 40px;
        }
        @media(max-width:1024px) {
          .main-wrap {
            grid-template-columns: 1fr;
          }
        }
        /* 侧边栏 */
        .sidebar-box {
          padding: 30px;
        }
        .sidebar-title {
          background: var(--grad-purple);
          color: #fff;
          padding: 12px 16px;
          font-size: 18px;
          font-weight: bold;
          border-radius: 12px 12px 0 0;
          margin: -30px -30px 24px -30px;
        }
        .sidebar-menu a {
          display: block;
          padding: 12px 16px;
          border-radius: 10px;
          margin-bottom: 8px;
          background: #f3f3f8;
          transition: 0.3s;
        }
        .sidebar-menu a:hover, .sidebar-menu a.active {
          background: var(--grad-purple);
          color: #fff;
        }
        .qr-item {
          text-align: center;
          margin: 30px 0 0;
        }
        .qr-box {
          width: 100%;
          height: 220px;
          background: #eee;
          border-radius: 12px;
          margin: 0 auto 12px;
        }
        .qr-txt {
          font-size: 15px;
          color: #555;
        }
        .contact-info p {
          margin: 8px 0;
          font-size: 15px;
        }
        .partner-grid {
          display: grid;
          grid-template-columns: repeat(2, 1fr);
          gap: 24px;
        }
        @media(min-width:768px) {
          .partner-grid {
            grid-template-columns: repeat(3, 1fr);
          }
        }
        @media(min-width:1200px) {
          .partner-grid {
            grid-template-columns: repeat(4, 1fr);
          }
        }
        .partner-card {
          padding: 24px;
          text-align: center;
        }
        .partner-img {
          height: 160px;
          background: #eee;
          margin-bottom: 16px;
          border-radius: 12px;
          display: flex;
          align-items: center;
          justify-content: center;
        }
        .partner-desc {
          font-size: 14px;
          color: #444;
          line-height: 1.5;
        }
        /* 分页 */
        .page_bar {
          display: flex;
          gap: 12px;
          justify-content: center;
          margin-top: 48px;
          align-items: center;
        }
        .page_bar .num {
          width: 36px;
          height: 36px;
          display: flex;
          align-items: center;
          justify-content: center;
          border-radius: 8px;
          background: #eee;
          transition: 0.3s;
        }
        .page_bar .current.active {
          background: var(--grad-purple);
          color: #fff;
        }
        .page_bar .current:hover:not(.active) {
          background: #ddd;
        }
        .breadcrumb {
          margin-bottom: 32px;
          font-size: 15px;
          color: #666;
        }
        .breadcrumb a:hover {
          color: var(--primary);
        }
        .news-header {
          text-align: center;
          margin-bottom: 28px;
        }
        .news-header h1 {
          font-size: 26px;
          color: var(--primaryDark);
          line-height: 1.4;
          margin-bottom: 12px;
        }
        .news-header h3 {
          font-size: 18px;
          font-weight: 500;
          margin-bottom: 16px;
        }
        .news-meta {
          font-size: 14px;
          color: #999;
          display: flex;
          justify-content: center;
          gap: 24px;
          flex-wrap: wrap;
          margin-bottom: 20px;
        }
        .dashed-line {
          width: 100%;
          height: 1px;
          border-bottom: 1px dashed #ccc;
          margin-bottom: 32px;
        }
        .news-img {
          width: 100%;
          max-width: 720px;
          margin: 0 auto 28px;
          display: block;
          border-radius: 12px;
        }
        .news-body {
          font-size: 16px;
          line-height: 1.85;
          color: #333;
        }
        .news-body p {
          margin-bottom: 18px;
          text-indent: 2em;
        }
        .news-turn {
          margin-top: 50px;
          padding-top: 28px;
          border-top: 1px solid #eee;
          text-align: center;
          font-size: 14px;
          color: #666;
          line-height: 2;
        }
        .news-turn a {
          color: var(--primary);
          margin: 0 10px;
        }
        .news-turn a:hover {
          text-decoration: underline;
        }
        @media (max-width: 767px) {
          .glass-white {
            padding: 14px !important;
          }
          .main-wrap {
            grid-template-columns: minmax(0, 1fr);
            gap: 20px;
          }
          .grid-3, .grid-4, .grid-5 {
            gap: 16px;
          }
          .section-padding {
            padding: 40px 0 !important;
          }
          .section-title {
            font-size: 1.4rem !important;
            margin-bottom: 12px;
          }
          .section-title-wrap {
            margin-bottom: 32px;
          }
          .title-line {
            width: 80px;
            height: 4px;
          }
          .news-header h1 {
            font-size: 20px !important;
            margin-bottom: 8px;
          }
          .news-header h3 {
            font-size: 15px !important;
            margin-bottom: 12px;
          }
          .news-meta {
            gap: 10px;
            font-size: 13px;
          }
          .dashed-line {
            margin-bottom: 20px;
          }
          .news-body {
            font-size: 15px !important;
            line-height: 1.75 !important;
          }
          .news-body p {
            margin-bottom: 14px;
            text-indent: 1.6em;
          }
          .news-img {
            margin: 0 auto 20px;
          }
          .news-turn {
            margin-top: 30px;
            padding-top: 16px;
            font-size: 13px;
          }
          .sidebar-box {
            padding: 20px !important;
          }
          .sidebar-title {
            font-size: 16px;
            margin: -20px -20px 16px -20px;
            padding: 10px 14px;
          }
          .sidebar-menu a {
            padding: 10px 14px;
            font-size: 14px;
          }
          .contact-info h4 {
            font-size: 16px !important;
          }
          .contact-info p {
            font-size: 14px;
          }
          .qr-box {
            height: 160px !important;
          }
          .course-text h3 {
            font-size: 17px;
          }
          .course-text p {
            font-size: 14px;
          }
          .course-text {
            padding: 18px;
          }
          .course-img {
            height: 160px !important;
          }
          .course-link {
            padding: 7px 18px;
            font-size: 14px;
          }
          .breadcrumb {
            font-size: 13px;
            margin-bottom: 20px;
          }
          .banner-title {
            font-size: 1.8rem !important;
            margin-bottom: 14px;
          }
          .banner-desc {
            font-size: 0.95rem !important;
          }
        }
        .message-form {
          max-width: 720px;
          margin: 0 auto;
        }
        .form-row {
          display: flex;
          align-items: flex-start;
          margin-bottom: 24px;
          gap: 12px;
        }
        .form-row label {
          width: 100px;
          font-size: 18px;
          padding-top: 10px;
          flex-shrink: 0;
          color: #222;
        }
        .form-input {
          flex: 1;
          height: 46px;
          border: 1px solid #d8d8e8;
          border-radius: 10px;
          padding: 0 16px;
          font-size: 16px;
          transition: 0.3s;
          outline: none;
        }
        .form-input:focus {
          border-color: var(--primary);
          box-shadow: 0 0 0 3px rgba(108, 43, 217, 0.12);
        }
        .form-textarea {
          flex: 1;
          min-height: 180px;
          border: 1px solid #d8d8e8;
          border-radius: 10px;
          padding: 14px 16px;
          font-size: 16px;
          transition: 0.3s;
          outline: none;
          resize: vertical;
        }
        .form-textarea:focus {
          border-color: var(--primary);
          box-shadow: 0 0 0 3px rgba(108, 43, 217, 0.12);
        }
        .form-btn-wrap {
          text-align: center;
          margin-top: 16px;
        }
        .submit-btn {
          padding: 14px 52px;
          background: var(--grad-purple);
          color: #fff;
          border: none;
          border-radius: 999px;
          font-size: 18px;
          cursor: pointer;
          transition: 0.3s;
        }
        .submit-btn:hover {
          opacity: 0.9;
          transform: translateY(-3px);
          box-shadow: 0 10px 24px rgba(108, 43, 217, 0.22);
        }
        @media (max-width:767px) {
          .message-form-wrap {
            padding: 24px !important;
          }
          .form-row {
            flex-direction: column;
            gap: 6px;
            margin-bottom: 18px;
          }
          .form-row label {
            width: auto;
            padding-top: 0;
            font-size: 16px;
          }
          .form-input {
            width: 100%;
          }
          .form-textarea {
            width: 100%;
            min-height: 140px;
          }
          .submit-btn {
            width: 100%;
          }
        }
        .news-list-wrap {
          padding: 30px;
        }
        .news-list-item {
          display: flex;
          justify-content: space-between;
          padding: 16px 0;
          border-bottom: 1px solid #e8e8f0;
        }
        .news-list-item:last-child {
          border-bottom: none;
        }
        .news-title {
          font-size: 16px;
          color: #333;
          transition: 0.25s;
        }
        .news-title:hover {
          color: var(--primary);
        }
        .news-date {
          color: #888;
          font-size: 14px;
          flex-shrink: 0;
          margin-left: 16px;
        }
        .overlay-box {
          position: relative;
          overflow: hidden;
        }
        .overlay-box img {
          width: auto;
          height: 100%;
          max-width: 100%;
          margin: 0 auto;
          object-fit: contain;
          image-rendering: -webkit-optimize-contrast;
          image-rendering: crisp-edges;
        }
        .overlay-box::after {
          content: "";
          position: absolute;
          left: 0;
          top: 0;
          width: 100%;
          height: 100%;
          transition: 0.3s ease;
        }
        .overlay-text {
          position: absolute;
          left: 0;
          bottom: 0;
          z-index: 2;
          padding: 24px;
          color: #fff;
          width: 100%;
        }
        .overlay-text h3 {
          font-size: 20px;
          font-weight: 600;
          margin-bottom: 10px;
          color: #712cee;
        }
        .overlay-text p {
          font-size: 15px;
          color: var(--primaryLight);
          margin-bottom: 16px;
          line-height: 1.6;
        }
        .big-overlay-card .course-img {
          height: 360px;
        }
        .overlay-card .course-img {
          height: 220px;
        }
        @media (max-width:1024px) {
          .big-overlay-card .course-img {
            height: 280px;
          }
          .overlay-card .course-img {
            height: 200px;
          }
          .overlay-text {
            padding: 20px;
          }
          .overlay-text h3 {
            font-size: 18px;
          }
        }
        @media (max-width:767px) {
          .big-overlay-card .course-img {
            height: 220px;
          }
          .overlay-card .course-img {
            height: 160px;
          }
          .overlay-text {
            padding: 16px;
          }
          .overlay-text h3 {
            font-size: 16px;
          }
          .overlay-text p {
            font-size: 13px;
            margin-bottom: 12px;
          }
          .course-link {
            padding: 7px 18px;
            font-size: 14px;
          }
        }
        
        /* 新增两栏网格：PC/平板/手机统一2列，4张自动两行 */
.grid-two-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
/* 图片叠加通用样式 */
.overlay-box {
    position: relative;
    overflow: hidden;
}
.overlay-box::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    transition: 0.3s ease;
}
.overlay-text {
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: 2;
    padding: 24px;
    color: #fff;
    width: 100%;
}
.overlay-text h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #fff;
}
.overlay-text p {
    font-size: 15px;
    color: var(--primaryLight);
    margin-bottom: 16px;
    line-height: 1.6;
}
/* 顶部大通栏大图高度 */
.big-overlay-card .course-img {
    height: 360px;
}
/* 下方两栏卡片高度 */
.overlay-card .course-img {
    height: 240px;
}

/* 响应式适配 */
@media (max-width:1024px) {
    .grid-two-row {
        gap: 24px;
    }
    .big-overlay-card .course-img {
        height: 280px;
    }
    .overlay-card .course-img {
        height: 210px;
    }
    .overlay-text {
        padding: 20px;
    }
    .overlay-text h3 {
        font-size: 18px;
    }
}
@media (max-width:767px) {
    .grid-two-row {
        gap: 16px;
    }
    .big-overlay-card .course-img {
        height: 220px;
    }
    .overlay-card .course-img {
        height: 170px;
    }
    .overlay-text {
        padding: 16px;
    }
    .overlay-text h3 {
        font-size: 16px;
    }
    .overlay-text p {
        font-size: 13px;
        margin-bottom: 12px;
    }
    .course-link {
        padding:7px 18px;
        font-size:14px;
    }
}