/* 主题变量 */
        [data-theme="dark"] {
            --bg-primary: #000000;
            --bg-secondary: #0a0a0a;
            --bg-tertiary: #141414;
            --bg-card: rgba(28, 28, 28, 0.8);
            --bg-card-hover: rgba(38, 38, 38, 0.9);
            --text-primary: #f5f5f7;
            --text-secondary: #86868b;
            --text-tertiary: #6e6e73;
            --accent: #2997ff;
            --accent-glow: rgba(41, 151, 255, 0.3);
            --accent-secondary: #bf5af2;
            --success: #30d158;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.15);
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-glow: 0 0 40px rgba(41, 151, 255, 0.15);
            --gradient-mesh: radial-gradient(ellipse at 30% 0%, rgba(41, 151, 255, 0.15) 0%, transparent 50%),
                        radial-gradient(ellipse at 70% 100%, rgba(191, 90, 242, 0.1) 0%, transparent 50%);
        }

        [data-theme="light"] {
            --bg-primary: #F8F9FA;
            --bg-secondary: #FFFFFF;
            --bg-tertiary: #F1F3F5;
            --bg-card: rgba(255, 255, 255, 0.8);
            --bg-card-hover: rgba(255, 255, 255, 0.95);
            --text-primary: #1a1a1a;
            --text-secondary: #495057;
            --text-tertiary: #86868b;
            --accent: #0066CC;
            --accent-glow: rgba(0, 102, 204, 0.2);
            --accent-secondary: #AF52DE;
            --success: #28a745;
            --border-subtle: rgba(0, 0, 0, 0.06);
            --border-hover: rgba(0, 0, 0, 0.12);
            --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-glow: 0 0 40px rgba(0, 102, 204, 0.15);
            --gradient-mesh: radial-gradient(ellipse at 30% 0%, rgba(0, 102, 204, 0.08) 0%, transparent 50%),
                        radial-gradient(ellipse at 70% 100%, rgba(175, 82, 222, 0.05) 0%, transparent 50%);
        }

        /* 缓动函数 */
        :root {
            --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        ::selection {
            background: var(--accent);
            color: white;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.5;
            min-height: 100vh;
            background-image: var(--gradient-mesh);
            background-attachment: fixed;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
            opacity: 0.03;
            pointer-events: none;
            z-index: 0;
            transition: opacity 0.3s ease;
        }

        [data-theme="light"] body::before {
            opacity: 0.02;
        }

        /* 主题切换按钮 */
        .theme-toggle {
            position: fixed;
            top: 24px;
            right: 24px;
            z-index: 1000;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s var(--ease-out-expo);
            box-shadow: var(--shadow-soft);
        }

        .theme-toggle:hover {
            transform: scale(1.05);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow);
        }

        .theme-toggle svg {
            width: 24px;
            height: 24px;
            color: var(--accent);
            transition: transform 0.5s var(--ease-out-expo);
        }

        .theme-toggle .sun-icon {
            display: none;
        }

        .theme-toggle .moon-icon {
            display: block;
        }

        [data-theme="light"] .theme-toggle .sun-icon {
            display: block;
        }

        [data-theme="light"] .theme-toggle .moon-icon {
            display: none;
        }

        [data-theme="light"] .theme-toggle svg {
            color: #FF9500;
        }

        .container {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 0 auto;
            padding: 80px 24px 80px;
        }

        /* Hero */
        .hero {
            text-align: center;
            margin-bottom: 60px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
        }

        .avatar-wrapper {
            position: relative;
            width: 140px;
            height: 140px;
            margin: 0 auto 32px;
        }

        .avatar-glow {
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
            opacity: 0.5;
            filter: blur(20px);
            animation: pulse 3s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 0.4; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.05); }
        }

        .avatar {
            position: relative;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
            border: 2px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 48px;
            font-weight: 600;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            overflow: hidden;
            transition: transform 0.5s var(--ease-out-expo), border-color 0.3s ease, background 0.3s ease;
        }

        .avatar:hover {
            transform: scale(1.03);
            border-color: var(--accent);
        }

        .name {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 52px;
            font-weight: 600;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: background 0.3s ease;
        }

        .role {
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
            transition: color 0.3s ease;
        }

        .bio {
            font-size: 17px;
            color: var(--text-tertiary);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.6;
            transition: color 0.3s ease;
        }

        .location-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 20px;
            padding: 8px 16px;
            background: var(--bg-tertiary);
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
        }

        .location-badge:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }

        .location-badge svg {
            width: 14px;
            height: 14px;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 28px;
        }

        .social-link {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            text-decoration: none;
            transition: all 0.3s var(--ease-out-expo);
            cursor: pointer;
        }

        .social-link:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .social-link svg {
            width: 22px;
            height: 22px;
        }

        /* Grid */
        .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .card {
            background: var(--bg-card);
            backdrop-filter: blur(40px);
            -webkit-backdrop-filter: blur(40px);
            border: 1px solid var(--border-subtle);
            border-radius: 24px;
            padding: 28px;
            position: relative;
            overflow: hidden;
            transition: all 0.4s var(--ease-out-expo), background-color 0.3s ease, border-color 0.3s ease;
            opacity: 0;
            transform: translateY(20px);
        }

        .card::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 24px;
            padding: 1px;
            background: linear-gradient(135deg, transparent, transparent);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
        }

        .card:hover::before {
            opacity: 1;
            background: linear-gradient(135deg, var(--accent-glow), rgba(191, 90, 242, 0.2));
        }

        .card:nth-child(1) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.1s forwards; }
        .card:nth-child(2) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.15s forwards; }
        .card:nth-child(3) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.2s forwards; }
        .card:nth-child(4) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.25s forwards; }
        .card:nth-child(5) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.3s forwards; }
        .card:nth-child(6) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.35s forwards; }
        .card:nth-child(7) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.4s forwards; }
        .card:nth-child(8) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.45s forwards; }
        .card:nth-child(9) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.5s forwards; }
        .card:nth-child(10) { animation: fadeInUp 0.7s var(--ease-out-expo) 0.55s forwards; }

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

        /* Card Header */
        .card-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
        }

        .card-header svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .card-title {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            transition: color 0.3s ease;
        }

        /* Stats */
        .stats-card { grid-column: span 2; }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-item {
            text-align: center;
            padding: 16px 8px;
            border-radius: 16px;
            transition: all 0.3s ease;
            cursor: default;
        }

        .stat-item:hover {
            background: var(--accent-glow);
        }

        .stat-number {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 36px;
            font-weight: 600;
            display: block;
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
            background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: background 0.3s ease;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-tertiary);
            transition: color 0.3s ease;
        }

        /* Quick Links */
        .links-card { grid-column: span 2; }

        .links-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .link-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: var(--bg-tertiary);
            border-radius: 16px;
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.3s var(--ease-out-expo);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .link-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--accent);
            transform: scaleY(0);
            transition: transform 0.3s var(--ease-out-expo);
        }

        .link-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-subtle);
            padding-left: 24px;
        }

        .link-item:hover::before {
            transform: scaleY(1);
        }

        .link-icon {
            width: 22px;
            height: 22px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .link-text {
            font-size: 15px;
            font-weight: 500;
        }

        /* Hobbies */
        .hobbies-card { grid-column: span 2; }

        .hobby-category {
            margin-bottom: 20px;
        }

        .hobby-category:last-child {
            margin-bottom: 0;
        }

        .hobby-category-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hobby-category-title svg {
            width: 16px;
            height: 16px;
        }

        .hobby-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .hobby-tag {
            padding: 8px 16px;
            background: var(--bg-tertiary);
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-primary);
            border: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
            cursor: default;
        }

        .hobby-tag:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: white;
            transform: translateY(-2px);
        }

        /* Activities */
        .activities-card { grid-column: span 2; }

        .activity-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .activity-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-tertiary);
            border-radius: 16px;
            transition: all 0.3s var(--ease-out-expo);
            position: relative;
        }

        .activity-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--accent);
            border-radius: 3px 0 0 3px;
            transform: scaleY(0);
            transition: transform 0.3s var(--ease-out-expo);
        }

        .activity-item:hover {
            background: var(--bg-card-hover);
        }

        .activity-item:hover::before {
            transform: scaleY(1);
        }

        .activity-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(41, 151, 255, 0.15), rgba(191, 90, 242, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .activity-icon svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
        }

        .activity-content {
            flex: 1;
            min-width: 0;
        }

        .activity-time {
            font-size: 13px;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 2px;
        }

        .activity-text {
            font-size: 15px;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* Projects */
        .projects-card { grid-column: span 2; }

        .project-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .project-item {
            display: flex;
            gap: 16px;
            padding: 18px;
            background: var(--bg-tertiary);
            border-radius: 16px;
            transition: all 0.3s var(--ease-out-expo);
            cursor: pointer;
        }

        .project-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .project-cover {
            width: 72px;
            height: 72px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            overflow: hidden;
            transition: transform 0.3s var(--ease-out-expo);
        }

        .project-item:hover .project-cover {
            transform: scale(1.05);
        }

        .project-cover svg {
            width: 28px;
            height: 28px;
            color: white;
        }

        .project-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .project-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .project-desc {
            font-size: 14px;
            color: var(--text-tertiary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .project-tags {
            display: flex;
            gap: 8px;
        }

        .project-tag {
            font-size: 12px;
            padding: 4px 10px;
            background: rgba(41, 151, 255, 0.12);
            color: var(--accent);
            border-radius: 6px;
            font-weight: 500;
        }

        /* Travel */
        .travel-card { grid-column: span 2; }

        .travel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .travel-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px;
            background: var(--bg-tertiary);
            border-radius: 16px;
            transition: all 0.3s var(--ease-out-expo);
        }

        .travel-item:hover {
            background: var(--bg-card-hover);
            transform: scale(1.02);
        }

        .travel-thumb {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s var(--ease-out-expo);
        }

        .travel-item:hover .travel-thumb {
            transform: scale(1.1);
        }

        .travel-thumb svg {
            width: 24px;
            height: 24px;
            color: white;
        }

        .travel-info {
            flex: 1;
            min-width: 0;
        }

        .travel-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .travel-count {
            font-size: 13px;
            color: var(--text-tertiary);
        }

        /* Investment */
        .investment-card { grid-column: span 2; }

        .invest-overview {
            display: flex;
            justify-content: space-between;
            padding: 20px;
            background: linear-gradient(135deg, rgba(41, 151, 255, 0.1), rgba(191, 90, 242, 0.08));
            border-radius: 18px;
            margin-bottom: 20px;
        }

        .invest-stat {
            text-align: center;
        }

        .invest-label {
            font-size: 13px;
            color: var(--text-tertiary);
            margin-bottom: 4px;
        }

        .invest-value {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 28px;
            font-weight: 600;
            letter-spacing: -0.02em;
        }

        .invest-value.positive {
            color: var(--success);
        }

        .mini-chart {
            display: flex;
            align-items: flex-end;
            gap: 3px;
            height: 48px;
            margin-bottom: 20px;
            padding: 0 4px;
        }

        .chart-bar {
            flex: 1;
            background: linear-gradient(to top, var(--accent), var(--accent-secondary));
            border-radius: 2px;
            opacity: 0.7;
            transition: opacity 0.2s ease;
        }

        .chart-bar:hover {
            opacity: 1;
        }

        .holdings-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .holding-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            background: var(--bg-tertiary);
            border-radius: 14px;
        }

        .holding-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .holding-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
        }

        .holding-name {
            font-size: 15px;
            font-weight: 600;
        }

        .holding-percent {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .holding-change {
            font-size: 13px;
            padding: 4px 10px;
            background: rgba(48, 209, 88, 0.15);
            color: var(--success);
            border-radius: 8px;
            font-weight: 500;
        }

        /* Software */
        .software-card { grid-column: span 2; }

        .software-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .software-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--bg-tertiary);
            border-radius: 14px;
            transition: all 0.3s var(--ease-out-expo);
            text-decoration: none;
            color: var(--text-primary);
        }

        .software-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .software-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 600;
            color: white;
            flex-shrink: 0;
        }

        .software-info {
            flex: 1;
        }

        .software-name {
            font-size: 15px;
            font-weight: 600;
        }

        .software-desc {
            font-size: 13px;
            color: var(--text-tertiary);
        }

        /* Websites */
        .websites-card { grid-column: span 2; }

        .websites-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .website-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--bg-tertiary);
            border-radius: 14px;
            transition: all 0.3s var(--ease-out-expo);
            text-decoration: none;
            color: var(--text-primary);
        }

        .website-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }

        .website-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .website-icon svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
        }

        .website-info {
            flex: 1;
        }

        .website-name {
            font-size: 15px;
            font-weight: 600;
        }

        .website-desc {
            font-size: 13px;
            color: var(--text-tertiary);
        }

        /* Contact */
        .contact-card {
            grid-column: span 4;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }

        .contact-info {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--text-secondary);
        }

        .contact-item svg {
            width: 18px;
            height: 18px;
            color: var(--accent);
        }

        .copyright {
            font-size: 13px;
            color: var(--text-tertiary);
            opacity: 0.7;
        }

        /* 微信二维码弹窗 */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--bg-card);
            backdrop-filter: blur(40px);
            -webkit-backdrop-filter: blur(40px);
            border: 1px solid var(--border-subtle);
            border-radius: 24px;
            padding: 32px;
            text-align: center;
            transform: scale(0.9);
            transition: transform 0.3s var(--ease-out-expo);
            max-width: 320px;
            width: 90%;
        }

        .modal-overlay.active .modal-content {
            transform: scale(1);
        }

        .modal-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .qr-code {
            width: 200px;
            height: 200px;
            margin: 0 auto 16px;
            border-radius: 16px;
            background: var(--bg-tertiary);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px dashed var(--border-subtle);
        }

        .qr-code img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 14px;
        }

        .qr-code-placeholder {
            color: var(--text-tertiary);
            font-size: 14px;
        }

        .modal-close {
            width: 100%;
            padding: 14px;
            background: var(--accent);
            border: none;
            border-radius: 12px;
            color: white;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 8px;
        }

        .modal-close:hover {
            opacity: 0.9;
            transform: scale(1.02);
        }

        /* Responsive */
        @media (max-width: 900px) {
            .name { font-size: 40px; }
            .role { font-size: 18px; }
            .bio { font-size: 15px; }

            .grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-card, .links-card, .activities-card, .projects-card,
            .travel-card, .investment-card, .hobbies-card, .software-card,
            .websites-card, .contact-card {
                grid-column: span 2;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .container {
                padding: 60px 16px 60px;
            }

            .hero {
                margin-bottom: 40px;
            }

            .theme-toggle {
                top: 16px;
                right: 16px;
                width: 44px;
                height: 44px;
            }

            .avatar-wrapper {
                width: 110px;
                height: 110px;
            }

            .avatar {
                font-size: 38px;
            }

            .name {
                font-size: 32px;
            }

            .role {
                font-size: 16px;
            }

            .grid {
                grid-template-columns: 1fr;
            }

            .stats-card, .links-card, .activities-card, .projects-card,
            .travel-card, .investment-card, .hobbies-card, .software-card,
            .websites-card {
                grid-column: span 1;
            }

            .contact-card {
                grid-column: span 1;
            }

            .links-grid {
                grid-template-columns: 1fr;
            }

            .travel-grid {
                grid-template-columns: 1fr;
            }

            .contact-info {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
        }