:root {
            --primary: #3a86ff;
            --secondary: #8338ec;
            --accent: #ff006e;
            --light: #f8f9fa;
            --dark: #212529;
            --text: #333;
            --light-gray: #e9ecef;
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: #fff;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部导航 */
        #header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: var(--transition);
        }
        
        #header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.5rem;
        }
        
        .logo-icon {
            background: var(--primary);
            color: white;
            padding: 5px 10px;
            border-radius: var(--radius);
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--primary);
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }
        
        .mobile-menu {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text);
        }
        
        /* 语言切换器 */
        .language-switcher {
            margin-left: 20px;
        }
        
        .language-switcher select {
            padding: 8px 12px;
            border: 1px solid var(--light-gray);
            border-radius: var(--radius);
            background: white;
            font-size: 14px;
            cursor: pointer;
        }
        
        /* 英雄区域 */
        .hero {
            padding: 150px 0 100px;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            text-align: center;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            color: #555;
        }
        
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: var(--radius);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        
        .btn-primary {
            background: var(--primary);
            color: white;
        }
        
        .btn-primary:hover {
            background: #2a75e6;
            transform: translateY(-2px);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        
        .btn-secondary:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }
        
        /* 通用部分样式 */
        section {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .section-title p {
            font-size: 1.1rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }
        
        /* 关于我部分 */
        .about-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .about-text p {
            margin-bottom: 25px;
            line-height: 1.8;
        }
        
        .journey-timeline {
            margin: 30px 0;
            padding: 20px;
            background: var(--light);
            border-radius: var(--radius);
        }
        
        .journey-timeline h4 {
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .timeline-item {
            padding: 10px 0;
            border-bottom: 1px solid #ddd;
        }
        
        .timeline-item:last-child {
            border-bottom: none;
        }
        
        .skills-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 30px;
        }
        
        .skill-category h4 {
            margin-bottom: 15px;
            color: var(--dark);
            display: flex;
            align-items: center;
        }
        
        .skill-category h4 i {
            margin-right: 10px;
            color: var(--primary);
        }
        
        .skill-list {
            list-style: none;
        }
        
        .skill-list li {
            padding: 8px 0;
            display: flex;
            justify-content: space-between;
            border-bottom: 1px solid #eee;
        }
        
        .skill-list li span {
            background: var(--light);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        
        .about-visual {
            display: flex;
            justify-content: center;
        }
        
        .about-visual img {
            max-width: 100%;
            border-radius: var(--radius);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        /* 作品集部分 */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .portfolio-item-link {
            text-decoration: none;
            color: inherit;
        }
        
        .portfolio-item {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            opacity: 0;
            transform: translateY(20px);
        }
        
        .portfolio-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .portfolio-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .portfolio-img-container {
            height: 200px;
            overflow: hidden;
        }
        
        .portfolio-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .portfolio-item:hover .portfolio-img-container img {
            transform: scale(1.05);
        }
        
        .portfolio-content {
            padding: 20px;
        }
        
        .portfolio-content h3 {
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .portfolio-content p {
            margin-bottom: 15px;
            color: #666;
        }
        
        .portfolio-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .tag {
            background: var(--light);
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: #555;
        }
        
        /* 联系部分 */
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 30px;
        }
        
        .contact-icon {
            background: var(--light);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .contact-details h3 {
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .contact-details a {
            color: var(--primary);
            text-decoration: none;
        }
        
        .social-links {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }
        
        .social-link {
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .social-link i {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .social-link i:hover {
            background: var(--primary);
            color: white;
        }
        
        .qr-code {
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: white;
            padding: 15px;
            border-radius: var(--radius);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            text-align: center;
            width: 150px;
        }
        
        .social-link:hover .qr-code {
            opacity: 1;
            visibility: visible;
        }
        
        .qr-code img {
            width: 100%;
            margin-bottom: 10px;
        }
        
        .qr-code p {
            font-size: 0.8rem;
            color: #666;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        /* 页脚 */
        footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-about h3 {
            margin-bottom: 15px;
            color: white;
        }
        
        .footer-about p {
            color: #aaa;
            line-height: 1.6;
        }
        
        .footer-links h3 {
            margin-bottom: 15px;
            color: white;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content,
            .contact-content,
            .footer-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .skills-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
            }
            
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            
            .nav-links li {
                margin: 10px 0;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            
            .language-switcher {
                margin-left: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .portfolio-grid {
                grid-template-columns: 1fr;
            }
            
            .hero {
                padding: 120px 0 80px;
            }
            
            section {
                padding: 80px 0;
            }
        }
        
        /* 淡入动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
/* ════════════════════════════════════════
   可视化编辑模式样式 (admin-mode.js)
   ════════════════════════════════════════ */

/* 编辑工具栏 */
#ed-toolbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 10000;
  background: #1e1b4b; color: #fff; font-size: 13px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
#ed-toolbar .ed-tb-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 8px 20px; display: flex; align-items: center; gap: 16px;
}
.ed-tb-title { font-weight: 700; }
.ed-tb-status { font-size: 12px; color: #a5b4fc; min-width: 80px; }
.ed-tb-status.saving { color: #fbbf24; }
.ed-tb-status.saved { color: #34d399; }
.ed-tb-status.error { color: #f87171; }
.ed-tb-lang strong { color: #fbbf24; }
.ed-btn {
  padding: 6px 14px; border: 0; border-radius: 6px; cursor: pointer;
  font-size: 12px; font-weight: 600; transition: all 0.2s;
}
.ed-btn-out { background: transparent; color: #f87171; border: 1px solid #f87171; }
.ed-btn-out:hover { background: #f87171; color: #fff; }

/* 可编辑元素悬停 */
[data-i18n]:hover { outline: 1px dashed rgba(58,134,255,0.2); outline-offset: 2px; }

/* 保存成功闪一下 */
@keyframes edFlash { 0%{ background:#d1fae5; } 100%{ background:transparent; } }
.ed-saved { animation: edFlash 0.6s ease; }

/* Section 拖拽手柄 */
.ed-sec-handle {
  position: absolute; top: 8px; right: 12px; z-index: 100;
  font-size: 12px; color: #999; cursor: grab; user-select: none;
  padding: 4px 8px; border-radius: 4px; background: rgba(255,255,255,0.9);
  border: 1px dashed #ccc; transition: all 0.2s;
}
.ed-sec-handle:hover { color: #3a86ff; border-color: #3a86ff; background: #eff6ff; }

/* 添加按钮 */
.ed-add-btn {
  display: inline-block; margin-left: 10px; padding: 2px 10px;
  font-size: 12px; border: 1px dashed #3a86ff; color: #3a86ff;
  background: #eff6ff; border-radius: 4px; cursor: pointer;
  font-weight: 500; transition: all 0.2s; vertical-align: middle;
}
.ed-add-btn:hover { background: #3a86ff; color: #fff; border-style: solid; }

/* section 拖拽高亮 */
section[draggable="true"] { transition: opacity 0.2s; }

/* 编辑中的元素 */
[contenteditable="true"] {
  background: #fffbeb !important;
  border-radius: 4px;
  min-width: 40px;
  display: inline-block;
}

/* 时间轴结构化样式 */
.timeline-item {
  display: flex !important;
  align-items: baseline;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  transition: background 0.2s;
}
.timeline-item:hover { background: rgba(58,134,255,0.04); }
.tl-year {
  flex-shrink: 0;
  min-width: 90px;
  font-weight: 700;
  color: var(--primary, #3a86ff);
  font-size: 14px;
  text-align: right;
}
.tl-text {
  flex: 1;
  color: var(--text, #333);
}