.friends-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 28px;
            margin: 32px 0 20px;
        }

        .friend-card {
            background: var(--surface-color);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            display: flex;
            align-items: stretch;
            gap: 20px;
            transition: all 0.35s var(--transition-bounce);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            position: relative;
            overflow: hidden;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1) forwards;
        }

        @keyframes fadeInUp {
            to { opacity: 1; transform: translateY(0); }
        }

        .friend-card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            background: var(--surface-color-secondary);
        }

        .friend-avatar {
            flex-shrink: 0;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            overflow: hidden;
            background: var(--tag-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--accent-color);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: transform 0.2s ease;
        }

        .friend-card:hover .friend-avatar {
            transform: scale(1.02);
        }

        .friend-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .friend-avatar .avatar-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--accent-light), var(--accent-color));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 600;
            color: white;
            text-transform: uppercase;
        }

        /* 友链信息区域：flex列布局 + 高度自适应，实现右下角网址效果 */
        .friend-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .friend-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent-color);
            margin: 0 0 6px 0;
            line-height: 1.3;
            letter-spacing: -0.3px;
        }

        .friend-card:hover .friend-name {
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .friend-desc {
            font-size: 0.9rem;
            line-height: 1.5;
            color: var(--text-secondary);
            margin: 0 0 6px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .friend-url {
            margin-top: auto;
            font-size: 0.7rem;
            color: var(--text-secondary);
            opacity: 0.75;
            text-align: right;
            letter-spacing: 0.2px;
            font-family: var(--font-mono, monospace);
            transition: opacity 0.2s ease;
            word-break: break-all;
            line-height: 1.4;
        }

        .friend-card:hover .friend-url {
            opacity: 0.95;
            color: var(--accent-color);
        }

        .info-card {
            background: var(--surface-color-secondary);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-color);
            padding: 28px 32px;
            margin: 32px 0 28px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent-light);
        }

        .info-title {
            font-size: 1.6rem;
            font-weight: 600;
            color: var(--accent-color);
            margin-bottom: 20px;
            letter-spacing: -0.3px;
            border-left: 4px solid var(--accent-color);
            padding-left: 18px;
        }

        .requirements-section {
            margin: 8px 0 32px 0;
        }
        
        .section-subtitle {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-color);
            margin: 0 0 20px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.2px;
        }
        
        .section-subtitle::before {
            content: '';
            width: 6px;
            height: 22px;
            background: var(--accent-color);
            border-radius: 4px;
            display: inline-block;
        }
        
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin-bottom: 12px;
        }
        
        .requirement-item {
            background: var(--surface-color);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            transition: all 0.25s ease;
            border: 1px solid var(--border-light);
            position: relative;
            backdrop-filter: blur(2px);
        }
        
        .requirement-item:hover {
            transform: translateY(-4px);
            border-color: var(--accent-light);
            box-shadow: 0 10px 20px -8px rgba(0, 0, 0, 0.12);
            background: var(--surface-color);
        }
        
        .requirement-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-color);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.2px;
        }
        
        .requirement-title::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-color);
            border-radius: 50%;
            display: inline-block;
            opacity: 0.8;
        }
        
        .requirement-desc {
            font-size: 0.9rem;
            line-height: 1.5;
            color: var(--text-secondary);
            margin: 0;
        }
        
        .myinfo-section {
            margin: 32px 0 20px;
            padding-top: 8px;
        }
        
        .myinfo-header {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-color);
            margin: 0 0 16px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .myinfo-header::before {
            content: '';
            width: 6px;
            height: 22px;
            background: var(--accent-color);
            border-radius: 4px;
            display: inline-block;
        }
        
        .info-hint {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            background: var(--tag-bg);
            padding: 8px 14px;
            border-radius: var(--radius-md);
            display: inline-block;
        }
        
        .code-block-wrapper {
            background: var(--code-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin: 20px 0;
            overflow: hidden;
            position: relative;
            transition: all 0.2s;
        }
        
        .code-block-wrapper:hover {
            border-color: var(--accent-light);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .code-header {
            display: flex;
            justify-content: flex-end;
            padding: 8px 16px;
            background: rgba(0, 0, 0, 0.03);
            border-bottom: 1px solid var(--border-light);
        }
        
        .copy-btn {
            background: var(--surface-color);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-full);
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 500;
            cursor: pointer;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-family: var(--font-family);
        }
        
        .copy-btn:hover {
            background: var(--accent-color);
            color: white;
            border-color: var(--accent-color);
            transform: translateY(-1px);
        }
        
        pre {
            margin: 0;
            padding: 20px;
            overflow-x: auto;
            background: transparent;
            font-size: 0.85rem;
        }
        
        code {
            font-family: var(--font-mono);
            color: var(--accent-color);
            background: transparent;
        }
        
        .warning-note {
            margin-top: 28px;
            padding: 14px 20px;
            background: rgba(180, 91, 99, 0.08);
            border-left: 3px solid var(--accent-color);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all 0.2s;
        }
        
        .warning-note:hover {
            background: rgba(180, 91, 99, 0.12);
        }
        
        .warning-note strong {
            color: var(--accent-color);
            font-weight: 600;
        }

        .contact-note {
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
        }

        .contact-note p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* 加载与错误状态继承 */
        .friends-empty, .friends-loading, .friends-error {
            text-align: center;
            padding: 60px 20px;
            background: var(--surface-color-secondary);
            border-radius: var(--radius-xl);
            border: 1px dashed var(--border-color);
            color: var(--text-secondary);
        }

        .spinner {
            display: inline-block;
            width: 40px;
            height: 40px;
            border: 3px solid var(--border-color);
            border-top-color: var(--accent-color);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin-bottom: 16px;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        .friends-stats {
            margin: 20px 0 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px dashed var(--border-color);
            padding-bottom: 10px;
            display: inline-block;
        }

        @media (max-width: 640px) {
            .friends-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .friend-card {
                padding: 16px 20px;
                gap: 16px;
            }
            .friend-avatar {
                width: 64px;
                height: 64px;
            }
            .info-card {
                padding: 20px 24px;
            }
            .info-title {
                font-size: 1.4rem;
            }
            .requirements-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .requirement-item {
                padding: 16px;
            }
            .friend-url {
                font-size: 0.65rem;
            }
        }

        [data-theme="dark"] .info-card {
            background: var(--surface-color-secondary);
        }
        [data-theme="dark"] .copy-btn {
            background: var(--tag-bg);
            color: var(--text-color);
        }
        [data-theme="dark"] .warning-note {
            background: rgba(224, 184, 184, 0.1);
        }
        [data-theme="dark"] .requirement-item {
            background: var(--surface-color);
        }
        [data-theme="dark"] .info-hint {
            background: var(--tag-bg);
        }