/* Reset & base styles */
        * {
          margin: 0;
          padding: 0;
          box-sizing: border-box;
        }

        body, html {
          height: 100%;
          width: 100%;
          font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
            Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
          background: #000;
          overflow-x: hidden;
        }

        .background {
          position: fixed;
          top: 0; left: 0;
          width: 100%; height: 100%;
          background-size: cover;
          background-position: center;
          background-repeat: no-repeat;
          z-index: 1;
          transition: background-image 1s ease-in-out;
        }

        .container {
          position: relative;
          z-index: 2;
          min-height: 100vh;
          width: 100%;
          display: flex;
          flex-direction: column;
        }

        /* 顶部导航栏 - 悬浮效果 */
        .header {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.25) 0%, 
            rgba(255, 255, 255, 0.1) 50%, 
            rgba(255, 255, 255, 0.05) 100%);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.3);
          border-radius: 20px;
          padding: 20px 40px;
          display: flex;
          justify-content: space-between;
          align-items: center;
          position: fixed;
          top: 20px;
          left: 50%;
          transform: translateX(-50%);
          width: calc(100% - 40px);
          max-width: 1180px;
          z-index: 100;
          box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.12),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }

        .header-left {
          display: flex;
          align-items: center;
          gap: 15px;
        }

        .avatar {
          width: 45px;
          height: 45px;
          border-radius: 50%;
          object-fit: cover;
          border: 2px solid rgba(255, 255, 255, 0.3);
          box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
          transition: all 0.3s ease;
          position: relative;
        }

        .avatar::after {
          content: '';
          position: absolute;
          top: -4px;
          left: -4px;
          right: -4px;
          bottom: -4px;
          border-radius: 50%;
          background: linear-gradient(45deg, 
            rgba(255, 255, 255, 0.6) 0%, 
            rgba(255, 255, 255, 0.3) 50%, 
            rgba(255, 255, 255, 0.6) 100%);
          opacity: 0;
          transition: all 0.3s ease;
          z-index: -1;
          filter: blur(2px);
        }

        .avatar:hover {
          transform: scale(1.05);
          box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .avatar:hover::after {
          opacity: 1;
          filter: blur(4px);
        }

        .header::before {
          content: '';
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 1px;
          background: linear-gradient(90deg, 
            transparent, 
            rgba(255, 255, 255, 0.8), 
            transparent);
        }

        .header:hover {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.35) 0%, 
            rgba(255, 255, 255, 0.2) 50%, 
            rgba(255, 255, 255, 0.1) 100%);
          box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.6);
          transform: translateX(-50%) translateY(-2px);
        }

        .logo {
          font-size: 1.8rem;
          font-weight: 700;
          color: #ffffff;
        }

        .logo-img {
          height: 45px;
          border-radius: 12px;
          box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
          transition: all 0.3s ease;
        }

        .logo-img:hover {
          transform: scale(1.05);
          box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
        }

        .nav {
          display: flex;
          align-items: center;
          gap: 30px;
        }

        .nav a {
          color: #ffffff;
          text-decoration: none;
          font-weight: 500;
          padding: 8px 16px;
          background: rgba(255, 255, 255, 0.1);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.2);
          border-radius: 20px;
          transition: all 0.3s ease;
        }

        .nav a:hover {
          background: rgba(255, 255, 255, 0.3);
          transform: translateY(-2px);
        }

        /* 主内容区域 */
        .main-content {
          flex: 1;
          width: 100%;
          max-width: 1200px;
          margin: 0 auto;
          padding: 120px 40px 40px;
          display: flex;
          flex-direction: column;
        }

        .hero-section {
          text-align: center;
          margin-bottom: 80px;
          padding: 60px 40px;
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.25) 0%, 
            rgba(255, 255, 255, 0.1) 50%, 
            rgba(255, 255, 255, 0.05) 100%);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.3);
          border-radius: 20px;
          box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.12),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
        }

        .hero-section h1 {
          font-size: 3rem;
          color: #ffffff;
          margin-bottom: 20px;
        }

        .hero-section p {
          font-size: 1.2rem;
          color: #f8f9fa;
          line-height: 1.6;
        }

        /* 博客文章网格 - 只显示一行3个 */
        .blog-grid {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 30px;
          width: 100%;
          margin-bottom: 60px;
          justify-items: center;
        }

        .blog-post {
          padding: 30px;
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.25) 0%, 
            rgba(255, 255, 255, 0.1) 50%, 
            rgba(255, 255, 255, 0.05) 100%);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.3);
          border-radius: 20px;
          box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.12),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
          position: relative;
          overflow: hidden;
          transition: all 0.3s ease;
          max-width: 350px;
          width: 100%;
        }

        .blog-post:hover {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.35) 0%, 
            rgba(255, 255, 255, 0.2) 50%, 
            rgba(255, 255, 255, 0.1) 100%);
          transform: translateY(-8px);
          box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.6);
        }

        .blog-post::before {
          content: '';
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 1px;
          background: linear-gradient(90deg, 
            transparent, 
            rgba(255, 255, 255, 0.8), 
            transparent);
        }

        .post-title {
          font-size: 1.4rem;
          color: #ffffff;
          margin-bottom: 10px;
          font-weight: 600;
        }

        .post-date {
          color: #7f8c8d;
          font-size: 0.9rem;
          margin-bottom: 15px;
          font-weight: 500;
        }

        .post-excerpt {
          color: #f8f9fa;
          line-height: 1.6;
          margin-bottom: 20px;
          opacity: 0.9;
        }

        .read-more {
          color: #ffffff;
          text-decoration: none;
          font-weight: 500;
          padding: 8px 16px;
          background: rgba(255, 255, 255, 0.1);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.2);
          border-radius: 20px;
          transition: all 0.3s ease;
          display: inline-block;
        }

        .read-more:hover {
          background: rgba(255, 255, 255, 0.3);
          transform: translateY(-2px);
        }

        /* 查看更多按钮 */
        .load-more-container {
          text-align: center;
          margin: 40px 0 20px;
        }

        .load-more-btn {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.3) 0%, 
            rgba(255, 255, 255, 0.2) 50%, 
            rgba(255, 255, 255, 0.1) 100%);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.3);
          border-radius: 25px;
          padding: 12px 30px;
          color: #ffffff;
          text-decoration: none;
          font-weight: 500;
          transition: all 0.3s ease;
          display: inline-block;
          box-shadow: 
            0 4px 15px rgba(0, 0, 0, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .load-more-btn:hover {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.4) 0%, 
            rgba(255, 255, 255, 0.3) 50%, 
            rgba(255, 255, 255, 0.2) 100%);
          transform: translateY(-2px);
          box-shadow: 
            0 8px 25px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.5);
        }

        /* 底部栏 - 页面底部 */
        .footer {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.25) 0%, 
            rgba(255, 255, 255, 0.1) 50%, 
            rgba(255, 255, 255, 0.05) 100%);
          backdrop-filter: blur(15px) saturate(180%);
          -webkit-backdrop-filter: blur(15px) saturate(180%);
          border: 1px solid rgba(255, 255, 255, 0.3);
          border-radius: 20px;
          padding: 40px;
          text-align: center;
          position: relative;
          width: 100%;
          max-width: 1200px;
          margin: 0 auto;
          box-shadow: 
            0 8px 32px rgba(0, 0, 0, 0.12),
            inset 0 1px 0 rgba(255, 255, 255, 0.4);
          margin-top: 60px;
        }

        .footer::before {
          content: '';
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 1px;
          background: linear-gradient(90deg, 
            transparent, 
            rgba(255, 255, 255, 0.8), 
            transparent);
        }

        .footer:hover {
          background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.35) 0%, 
            rgba(255, 255, 255, 0.2) 50%, 
            rgba(255, 255, 255, 0.1) 100%);
          box-shadow: 
            0 20px 60px rgba(0, 0, 0, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.6);
          transform: translateY(-2px);
        }

        .footer-content {
          max-width: 1200px;
          margin: 0 auto;
        }

        .footer h3 {
          color: #ffffff;
          margin-bottom: 20px;
          font-size: 1.5rem;
        }

        .footer p {
          color: #f8f9fa;
          margin-bottom: 10px;
          opacity: 0.9;
        }

        .social-links {
          display: flex;
          justify-content: center;
          gap: 20px;
          margin-top: 20px;
        }

        .social-links a {
          color: #ffffff;
          text-decoration: none;
          padding: 8px 16px;
          border-radius: 20px;
          transition: all 0.3s ease;
          border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .social-links a:hover {
          background: rgba(255, 255, 255, 0.3);
          transform: translateY(-2px);
        }

        /* 平板适配 */
        @media (max-width: 1024px) {
          .header {
            padding: 15px 30px;
            width: calc(100% - 30px);
            max-width: 994px;
          }
          
          .avatar {
            width: 40px;
            height: 40px;
          }
          
          .footer {
            padding: 30px;
            margin-top: 50px;
          }
          
          .main-content {
            padding: 100px 30px 30px;
          }
          
          .blog-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
          }
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
          .header {
            padding: 15px 20px;
            flex-direction: column;
            gap: 15px;
            width: calc(100% - 20px);
            max-width: 748px;
          }
          
          .header-left {
            gap: 12px;
          }
          
          .avatar {
            width: 38px;
            height: 38px;
          }
          
          .nav {
            gap: 20px;
            align-items: center;
          }
          
          .footer {
            padding: 25px 20px;
            margin-top: 40px;
          }
          
          .main-content {
            padding: 80px 20px 20px;
          }
          
          .hero-section {
            padding: 50px 30px;
            margin-bottom: 60px;
          }
          
          .hero-section h1 {
            font-size: 2.2rem;
          }
          
          .blog-grid {
            grid-template-columns: 1fr;
            gap: 20px;
            justify-items: center;
          }
          
          .blog-post {
            padding: 25px;
            max-width: 400px;
          }
        }

        /* 小屏手机 */
        @media (max-width: 480px) {
          .header {
            padding: 12px 15px;
            width: calc(100% - 15px);
            max-width: 465px;
          }
          
          .header-left {
            gap: 10px;
          }
          
          .avatar {
            width: 35px;
            height: 35px;
          }
          
          .logo {
            font-size: 1.4rem;
          }
          
          .nav {
            gap: 15px;
            align-items: center;
            flex-wrap: wrap;
            justify-content: center;
          }
          
          .footer {
            padding: 20px 15px;
            margin-top: 30px;
          }
          
          .main-content {
            padding: 70px 15px 15px;
          }
          
          .hero-section {
            padding: 40px 25px;
            margin-bottom: 50px;
          }
          
          .hero-section h1 {
            font-size: 1.8rem;
          }
          
          .hero-section p {
            font-size: 1rem;
          }
          
          .blog-post {
            padding: 20px;
            max-width: 350px;
          }
          
          .load-more-btn {
            padding: 10px 25px;
            font-size: 0.9rem;
          }
        }

        /* 登录系统样式 */
        .nav-auth {
            position: relative;
            display: flex;
            align-items: center;
        }

        .login-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            padding: 8px 16px;
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .login-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

        .user-menu {
            position: relative;
            cursor: pointer;
        }

        .user-avatar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .user-avatar:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .user-avatar img {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .user-name {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .user-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 8px;
            background: rgba(0, 0, 0, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            backdrop-filter: blur(20px);
            min-width: 160px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            z-index: 1000;
            display: none;
        }

        .user-dropdown a,
        .user-dropdown button {
            display: block;
            width: 100%;
            padding: 12px 16px;
            color: #ffffff;
            text-decoration: none;
            font-size: 0.9rem;
            border: none;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(15px) saturate(180%);
            -webkit-backdrop-filter: blur(15px) saturate(180%);
            text-align: left;
            cursor: pointer;
            transition: all 0.2s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .user-dropdown a:last-child,
        .user-dropdown button:last-child {
            border-bottom: none;
        }

        .user-dropdown a:hover,
        .user-dropdown button:hover {
            background: rgba(255, 100, 100, 0.15);
        }

        /* 登录模态框样式 - 液态玻璃 */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            backdrop-filter: blur(10px) saturate(180%);
            -webkit-backdrop-filter: blur(10px) saturate(180%);
        }

        .login-modal {
            background: linear-gradient(135deg, 
                rgba(255, 255, 255, 0.15) 0%,
                rgba(255, 255, 255, 0.08) 50%,
                rgba(255, 255, 255, 0.05) 100%);
            backdrop-filter: blur(30px) saturate(200%);
            -webkit-backdrop-filter: blur(30px) saturate(200%);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 24px;
            width: 100%;
            max-width: 380px;
            padding: 40px;
            box-shadow: 
                0 30px 60px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.1) inset,
                0 0 60px rgba(255, 255, 255, 0.1) inset,
                0 0 20px rgba(255, 255, 255, 0.05);
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 35px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .modal-header h2 {
            color: #ffffff;
            font-size: 1.7rem;
            font-weight: 700;
            margin: 0;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .close-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.5rem;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .close-btn:hover {
            background: rgba(255, 150, 150, 0.25);
            border-color: rgba(255, 150, 150, 0.4);
            color: #ff9999;
            transform: rotate(90deg) scale(1.05);
            box-shadow: 0 0 20px rgba(255, 150, 150, 0.3);
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            color: rgba(255, 255, 255, 0.95);
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .form-group input {
            width: 100%;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 14px;
            color: #ffffff;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .form-group input:focus {
            outline: none;
            border-color: rgba(255, 255, 255, 0.5);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 
                0 0 0 4px rgba(255, 255, 255, 0.1),
                0 0 30px rgba(255, 255, 255, 0.1);
        }

        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        }

        .form-group input {
            width: 100%;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: #ffffff;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .form-group input:focus {
            outline: none;
            border-color: #6366f1;
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
        }

        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            cursor: pointer;
        }

        .checkbox-label input[type="checkbox"] {
            width: 18px;
            height: 18px;
            margin-right: 10px;
            accent-color: #6366f1;
        }

        .forgot-password {
            color: #818cf8;
            font-size: 0.85rem;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .forgot-password:hover {
            color: #c7d2fe;
        }

        .submit-btn {
            width: 100%;
            padding: 16px 24px;
            background: linear-gradient(135deg, 
                rgba(255, 255, 255, 0.2) 0%,
                rgba(255, 255, 255, 0.1) 100%);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 14px;
            color: #ffffff;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 8px;
            backdrop-filter: blur(10px);
            box-shadow: 
                0 4px 20px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, 
                rgba(255, 255, 255, 0.25) 0%,
                rgba(255, 255, 255, 0.15) 100%);
            box-shadow: 
                0 8px 30px rgba(0, 0, 0, 0.3),
                0 0 0 1px rgba(255, 255, 255, 0.2) inset;
        }

        .submit-btn:active {
            transform: translateY(0);
        }

        .modal-footer {
            text-align: center;
            margin-top: 28px;
            padding-top: 22px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
        }

        .modal-footer a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .modal-footer a:hover {
            color: #c7d2fe;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        /* 用户菜单样式 */
        .user-menu {
            position: relative;
            display: flex;
            align-items: center;
        }

        .user-avatar {
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            padding: 8px 15px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }

        .user-avatar:hover {
            background: rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
        }

        .user-avatar img {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .user-name {
            color: #ffffff;
            font-weight: 600;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .user-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            margin-top: 15px;
            background: linear-gradient(180deg, 
                rgba(40, 40, 60, 0.95) 0%,
                rgba(30, 30, 50, 0.95) 100%);
            backdrop-filter: blur(25px) saturate(180%);
            -webkit-backdrop-filter: blur(25px) saturate(180%);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 16px;
            padding: 10px 0;
            min-width: 175px;
            box-shadow: 
                0 20px 50px rgba(0, 0, 0, 0.5),
                0 0 0 1px rgba(255, 255, 255, 0.08) inset,
                0 0 30px rgba(0, 0, 0, 0.2) inset;
            display: none;
            z-index: 10000;
        }

        .user-dropdown a {
            display: block;
            padding: 12px 22px;
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            border-radius: 8px;
            margin: 2px 8px;
        }

        .user-dropdown a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
        }

        .user-dropdown a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
        }

        .logout-btn {
            width: calc(100% - 16px);
            margin: 4px 8px;
            padding: 12px 22px;
            background: transparent;
            border: none;
            border-radius: 8px;
            color: #ff8a8a;
            text-align: left;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s ease;
        }

        .logout-btn:hover {
            background: rgba(255, 100, 100, 0.2);
            color: #ff6b6b;
            text-shadow: 0 0 10px rgba(255, 100, 100, 0.3);
        }
        }

        /* 通知样式 */
        .notification {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 14px 24px;
            border-radius: 10px;
            color: white;
            font-weight: 500;
            z-index: 10001;
            transform: translateX(120%);
            transition: transform 0.3s ease;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .notification-success {
            background: linear-gradient(135deg, #10b981, #059669);
        }

        .notification-error {
            background: linear-gradient(135deg, #ef4444, #dc2626);
        }

        .notification-info {
            background: linear-gradient(135deg, #3b82f6, #2563eb);
        }

        /* 项目展示样式 */
        .projects-section {
            margin-bottom: 60px;
        }

        .section-title {
            text-align: center;
            color: #ffffff;
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 40px;
            position: relative;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #4f46e5, #7c3aed);
            border-radius: 2px;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .project-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 30px;
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .project-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        }

        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            background: rgba(255, 255, 255, 0.08);
        }

        .project-icon {
            text-align: center;
            margin-bottom: 20px;
        }

        .project-logo {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            filter: drop-shadow(0 0 15px rgba(79, 70, 229, 0.4));
            transition: all 0.3s ease;
        }

        .project-card:hover .project-logo {
            transform: scale(1.1);
            filter: drop-shadow(0 0 20px rgba(79, 70, 229, 0.6));
        }

        .project-title {
            color: #ffffff;
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 8px;
            text-align: center;
        }

        .project-date {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            text-align: center;
            margin-bottom: 20px;
        }

        .project-excerpt {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 25px;
            justify-content: center;
        }

        .tag {
            background: rgba(79, 70, 229, 0.2);
            border: 1px solid rgba(79, 70, 229, 0.3);
            color: #a5b4fc;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .project-btn {
            display: block;
            width: 100%;
            padding: 12px 24px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .project-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
        }

        .project-btn:disabled {
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* 移动端适配 */
        @media (max-width: 768px) {
            .login-modal {
                margin: 10px;
                max-height: calc(100vh - 20px);
            }

            .modal-header {
                padding: 20px 20px 0;
            }

            .modal-content {
                padding: 0 20px 20px;
            }

            .form-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .nav-auth {
                margin-left: 10px;
            }

            .user-dropdown {
                right: -10px;
                min-width: 140px;
            }

            .projects-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .project-card {
                padding: 25px 20px;
            }

            .project-icon {
                text-align: center;
            }

            .project-logo {
                width: 60px;
                height: 60px;
            }

            .section-title {
                font-size: 1.6rem;
            }
        }