:root {
            --bg: #030303;
            --card-bg: rgba(10, 10, 10, 0.4);
            --text: #e0e0e0;
            --accent: #ff003c;
            /* Cyber Red */
            --accent-2: #00f3ff;
            /* Cyber Cyan */
            --border: rgba(255, 255, 255, 0.1);
            --font-display: 'Syncopate', sans-serif;
            --font-code: 'JetBrains Mono', monospace;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-display);
            overflow: hidden;
            width: 100vw;
            height: 100vh;
            cursor: crosshair;
        }

        /* --- POST PROCESSING & OVERLAYS --- */
        .scanlines {
            position: fixed;
            inset: 0;
            background: linear-gradient(to bottom,
                    rgba(255, 255, 255, 0),
                    rgba(255, 255, 255, 0) 50%,
                    rgba(0, 0, 0, 0.2) 50%,
                    rgba(0, 0, 0, 0.2));
            background-size: 100% 4px;
            pointer-events: none;
            z-index: 10;
        }

        .vignette {
            position: fixed;
            inset: 0;
            background: radial-gradient(circle, transparent 40%, #000 120%);
            z-index: 11;
            pointer-events: none;
        }

        .noise {
            position: fixed;
            inset: 0;
            z-index: 12;
            opacity: 0.07;
            pointer-events: none;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
        }

        /* --- HUD --- */
        .hud {
            position: fixed;
            inset: 2rem;
            z-index: 20;
            pointer-events: none;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            font-family: var(--font-code);
            font-size: 10px;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
        }

        .hud-top,
        .hud-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .hud strong {
            color: var(--accent-2);
        }

        .hud-line {
            flex: 1;
            height: 1px;
            background: rgba(255, 255, 255, 0.2);
            margin: 0 1rem;
            position: relative;
        }

        .hud-line::after {
            content: '';
            position: absolute;
            right: 0;
            top: -2px;
            width: 5px;
            height: 5px;
            background: var(--accent);
        }

        /* --- 3D SCENE --- */
        .viewport {
            position: fixed;
            inset: 0;
            perspective: 1000px;
            /* Dynamic */
            overflow: hidden;
            z-index: 1;
        }

        .world {
            position: absolute;
            top: 50%;
            left: 50%;
            transform-style: preserve-3d;
            will-change: transform;
        }

        .item {
            position: absolute;
            left: 0;
            top: 0;
            backface-visibility: hidden;
            transform-origin: center center;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* --- CARDS & CONTENT --- */
        .card {
            width: 320px;
            height: 460px;
            background: rgba(10,10,10,0.4);
            border: 1px solid rgba(255,255,255,0.1);
            position: relative;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            box-shadow: 0 0 0 1px rgba(0,0,0,0.5), 0 20px 50px rgba(0,0,0,0.5);
            transition: all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
            transform: translate(-50%, -50%);
        }

        /* Hover Effect for non-touch */
        @media (hover: hover) {
            .card:hover {
                border-color: var(--accent);
                box-shadow: 0 0 30px rgba(255, 0, 60, 0.2);
                background: rgba(20, 20, 20, 0.8);
                z-index: 100;
            }
        }

        .card::before,
        .card::after {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            border: 1px solid transparent;
            transition: 0.3s;
        }

        .card::before {
            top: -1px;
            left: -1px;
            border-top-color: var(--text);
            border-left-color: var(--text);
        }

        .card::after {
            bottom: -1px;
            right: -1px;
            border-bottom-color: var(--text);
            border-right-color: var(--text);
        }

        .card:hover::before,
        .card:hover::after {
            width: 100%;
            height: 100%;
            border-color: var(--accent);
        }

        .card-header {
            border-bottom: 1px solid var(--border);
            padding-bottom: 1rem;
            margin-bottom: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-id {
            font-family: var(--font-code);
            color: var(--accent);
            font-size: 0.8rem;
        }

        .card h2 {
            font-size: 2.5rem;
            line-height: 0.9;
            margin: 0;
            text-transform: uppercase;
            font-weight: 700;
            color: #fff;
            mix-blend-mode: hard-light;
        }

        .card-footer {
            margin-top: auto;
            font-family: var(--font-code);
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: space-between;
        }

        /* --- BIG TEXT --- */
        .big-text {
            font-size: 15vw;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 2px rgba(255, 255, 255, 0.15);
            text-transform: uppercase;
            white-space: nowrap;
            transform: translate(-50%, -50%);
            pointer-events: none;
            letter-spacing: -0.5rem;
            mix-blend-mode: overlay;
        }

        /* --- PARTICLES --- */
        .star {
            position: absolute;
            width: 2px;
            height: 2px;
            background: white;
            transform: translate(-50%, -50%);
        }

        /* --- SCROLL PROXY --- */
        .scroll-proxy {
            height: 10000vh;
            position: absolute;
            width: 100%;
            z-index: -1;
        }

        /* ─── ABOUT ME 弹窗 ─── */
        .about-overlay {
            position: fixed; inset: 0; z-index: 100;
            background: rgba(0,0,0,0);
            display: flex; align-items: center; justify-content: center;
            opacity: 0; pointer-events: none;
            transition: opacity 0.5s ease, background 0.5s ease;
            backdrop-filter: blur(0px);
            -webkit-backdrop-filter: blur(0px);
        }
        .about-overlay.open {
            opacity: 1; pointer-events: auto;
            background: rgba(0,0,0,0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .about-panel {
            background: rgba(10,10,10,0.95);
            border: 1px solid rgba(255,0,60,0.25);
            padding: 2.5rem; max-width: 580px; width: 90%;
            position: relative;
            box-shadow: 0 0 60px rgba(255,0,60,0.08);
            max-height: 80vh;
            display: flex;
            flex-direction: column;
            transform: scale(0.92) translateY(20px);
            opacity: 0;
            transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
                        opacity 0.4s ease;
        }
        .about-overlay.open .about-panel {
            transform: scale(1) translateY(0);
            opacity: 1;
        }
        .about-panel::before,.about-panel::after {
            content:''; position:absolute; width:12px; height:12px;
            border:1px solid #ff003c; transition:0.3s;
        }
        .about-panel::before { top:-1px; left:-1px; border-right:0; border-bottom:0; }
        .about-panel::after { bottom:-1px; right:-1px; border-left:0; border-top:0; }
        .about-close {
            position:absolute; top:1rem; right:1rem;
            background:none; border:none; color:#ff003c;
            font-size:1.2rem; cursor:pointer; font-family:'JetBrains Mono',monospace;
            transition:opacity 0.2s; z-index:2;
        }
        .about-close:hover { opacity:0.6; }
        .about-tag {
            font-family:'JetBrains Mono',monospace; font-size:10px;
            color:#ff003c; letter-spacing:0.15em; margin-bottom:0.5rem;
        }
        .about-title {
            font-family:'Syncopate',sans-serif; font-size:1.6rem;
            color:#fff; font-weight:700; text-transform:uppercase;
            margin-bottom:0; letter-spacing:-0.02em;
        }

        /* 打字机滚动区域 */
        .about-typewriter-scroll {
            margin-top: 1.2rem;
            overflow-y: auto;
            max-height: 55vh;
            padding-right: 0.5rem;
        }
        .about-typewriter-scroll::-webkit-scrollbar {
            width: 3px;
        }
        .about-typewriter-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .about-typewriter-scroll::-webkit-scrollbar-thumb {
            background: rgba(255,0,60,0.3);
            border-radius: 2px;
        }

        /* ─── TypeWriter 样式 (Hyper Scroll Dark) ─── */
        type-writer {
            display: block;
            font-family: 'JetBrains Mono', monospace;
            color: rgba(255,255,255,0.75);
            font-size: 12px;
            line-height: 1.7;
        }
        .type-writer-container {
            padding: 0;
        }
        .tw-intro {
            color: #00f3ff;
            font-size: 13px;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .tw-section-tag {
            font-family: 'Syncopate', sans-serif;
            font-size: 11px;
            color: #ff003c;
            letter-spacing: 0.12em;
            margin: 1.4rem 0 0.8rem 0;
            padding-bottom: 0.4rem;
            border-bottom: 1px solid rgba(255,0,60,0.2);
            font-weight: 400;
            text-transform: uppercase;
        }
        type-writer h2,
        type-writer h3,
        type-writer h4 {
            font-family: 'Syncopate', sans-serif;
            color: #ff003c;
            letter-spacing: 0.12em;
            font-weight: 400;
        }
        .tw-job {
            margin-bottom: 1rem;
            padding-left: 0.5rem;
            border-left: 2px solid rgba(0,243,255,0.2);
        }
        .tw-job-title {
            font-family: 'Syncopate', sans-serif;
            font-size: 11px;
            color: #fff;
            letter-spacing: 0.05em;
            margin-bottom: 2px;
            display: flex;
            justify-content: space-between;
            align-items: baseline;
        }
        .tw-job-date {
            font-family: 'JetBrains Mono', monospace;
            font-size: 9px;
            color: rgba(255,255,255,0.35);
            letter-spacing: 0;
        }
        .tw-job-role {
            font-size: 11px;
            color: #00f3ff;
            margin-bottom: 0.3rem;
        }
        .tw-duties {
            margin: 0;
            padding-left: 1rem;
            list-style: none;
        }
        .tw-duties li {
            position: relative;
            padding-left: 0.8rem;
            margin-bottom: 0.15rem;
            color: rgba(255,255,255,0.6);
            font-size: 11px;
            line-height: 1.6;
        }
        .tw-duties li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: #ff003c;
            font-weight: bold;
        }
        .tw-skills {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin: 0.5rem 0;
        }
        .tw-skill {
            padding: 0.2rem 0.6rem;
            border: 1px solid rgba(0,243,255,0.2);
            font-size: 10px;
            color: rgba(255,255,255,0.7);
            letter-spacing: 0.03em;
            font-family: 'JetBrains Mono', monospace;
        }
        .tw-skill:hover {
            border-color: #00f3ff;
            color: #00f3ff;
        }
        .tw-edu {
            font-size: 12px;
            color: rgba(255,255,255,0.6);
            margin: 0.5rem 0;
        }
        .tw-edu strong {
            color: #fff;
        }
        .tw-edu-date {
            color: rgba(255,255,255,0.35);
            font-size: 10px;
            margin-left: 0.5rem;
        }
        type-writer p {
            margin-bottom: 0;
        }
        type-writer ul,
        type-writer ol {
            margin-bottom: 0;
        }
        type-writer li {
            margin-bottom: 0;
        }
        /* 可交互卡片光晕 */
        .card-interactive {
            border-color: rgba(255,0,60,0.3) !important;
            box-shadow: 0 0 20px rgba(255,0,60,0.15), 0 0 0 1px rgba(0,0,0,0.5), 0 20px 50px rgba(0,0,0,0.5) !important;
        }
        .card-interactive:hover {
            border-color: #ff003c !important;
            box-shadow: 0 0 40px rgba(255,0,60,0.3) !important;
        }

        /* ─── PILL NAV (React Bits 复刻) ─── */
        .pill-nav-wrap {
            position: fixed;
            top: 1.5rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 50;
            pointer-events: auto;
        }
        .pill-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 4px;
            background: rgba(10,10,10,0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 9999px;
            box-shadow: 0 4px 24px rgba(0,0,0,0.4);
            font-family: 'JetBrains Mono', monospace;
        }
        .pill-item {
            position: relative;
            padding: 0.55rem 1.2rem;
            border-radius: 9999px;
            font-size: 11px;
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: rgba(255,255,255,0.5);
            text-decoration: none;
            cursor: pointer;
            overflow: hidden;
            z-index: 1;
        }
        .pill-item::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 9999px;
            background: #f0f0f0;
            transform: scaleY(0);
            transform-origin: center bottom;
            transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
            z-index: -1;
        }
        .pill-item:hover::before {
            transform: scaleY(1);
        }
        .label-stack {
            display: inline-block;
            position: relative;
            overflow: hidden;
            line-height: 1;
            vertical-align: top;
        }
        .pill-label,
        .pill-label-hover {
            display: block;
            transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                        opacity 0.3s ease;
        }
        .pill-label-hover {
            position: absolute;
            top: 0;
            left: 0;
            transform: translateY(130%);
            opacity: 0;
            color: #120F17;
        }
        .pill-item:hover .pill-label {
            transform: translateY(-130%);
            opacity: 0;
        }
        .pill-item:hover .pill-label-hover {
            transform: translateY(0);
            opacity: 1;
        }
        .pill-item.active { color: #fff; }
        .pill-divider {
            width: 1px;
            height: 16px;
            background: rgba(255,255,255,0.1);
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .pill-nav-wrap { top: 0.8rem; }
            .pill-item { padding: 0.4rem 0.8rem; font-size: 9px; }
        }