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

/* ==================== CUSTOM FONT ==================== */
@font-face {
    font-family: 'Huiwen Mincho';
    src: url('HuiwenMincho.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    /* 温暖米白色系 */
    --bg-cream: #fefcf6;
    --bg-cream-dark: #f5f3ed;
    --bg-white: #ffffff;

    /* 深色背景 */
    --bg-dark: #1a1a2e;
    --bg-dark-alt: #16213e;

    /* 强调色 - 温暖活力 */
    --accent-coral: #ff6b6b;
    --accent-peach: #ffa07a;
    --accent-gold: #ffd93d;
    --accent-mint: #6bcf7f;
    --accent-sky: #4ecdc4;
    --accent-lavender: #a78bfa;

    /* 文字颜色 */
    --text-dark: #2d2d2d;
    --text-medium: #5a5a5a;
    --text-light: #8a8a8a;
    --text-white: #fefcf6;

    /* 阴影 */
    --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);

    /* 渐变 */
    --gradient-warm: linear-gradient(135deg, #ffd93d 0%, #ff6b6b 100%);
    --gradient-cool: linear-gradient(135deg, #4ecdc4 0%, #a78bfa 100%);
    --gradient-sunset: linear-gradient(135deg, #ffa07a 0%, #ff6b6b 100%);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
    background: var(--bg-cream);
    color: var(--text-dark);
    line-height: 1.75;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Huiwen Mincho', 'Noto Serif SC', serif;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

em {
    font-style: normal;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ==================== CURSOR GLOW ==================== */
.cursor-glow {
    position: fixed;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 215, 61, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    mix-blend-mode: multiply;
}

/* ==================== LANGUAGE TOGGLE ==================== */
.lang-toggle {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    gap: 0.5rem;
    background: var(--bg-white);
    padding: 0.5rem;
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-toggle:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.lang-option {
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    color: var(--text-medium);
}

html[data-lang="zh"] .lang-option[data-lang="zh"],
html[data-lang="en"] .lang-option[data-lang="en"] {
    background: var(--gradient-warm);
    color: white;
}

/* ==================== HERO — TERMINAL ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    background: var(--bg-cream);
}

.terminal-window {
    width: 100%;
    max-width: 800px;
    background: var(--bg-dark);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.terminal-header {
    background: var(--bg-dark-alt);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot--red { background: #ff5f56; }
.terminal-dot--yellow { background: #ffbd2e; }
.terminal-dot--green { background: #27c93f; }

.terminal-header-title {
    margin-left: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.terminal-body {
    padding: 2.5rem;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-white);
    height: 450px;
    overflow: hidden;
}

.terminal-line {
    margin-bottom: 0.8rem;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    to { opacity: 1; }
}

.terminal-prompt {
    color: #27c93f;
    margin-right: 0.5rem;
}

.terminal-command {
    color: #4ecdc4;
}

.terminal-output {
    color: #ffd93d;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 18px;
    background: #ffd93d;
    margin-left: 2px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-scroll {
    position: absolute;
    bottom: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
    animation: float 2s ease-in-out infinite;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--text-light), transparent);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ==================== SECTION COMMON ==================== */
.section-label {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-coral);
    margin-bottom: 1rem;
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up-delay-1 {
    transition-delay: 0.15s;
}

/* ==================== ABOUT — CHAT BUBBLES ==================== */
.about {
    padding: 8rem 2rem;
    background: var(--bg-cream-dark);
}

.about-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.about-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 4rem;
    max-width: 800px;
}

.about-chat-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-photo-wrapper {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: relative;
    cursor: pointer;
}

.about-photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.about-photo-wrapper:hover .about-photo-img {
    transform: scale(1.05);
}

/* Avatar click ripple effect */
.avatar-ripple {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.5) 0%, transparent 70%);
    pointer-events: none;
    animation: rippleEffect 0.6s ease-out;
}

@keyframes rippleEffect {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

@keyframes avatarBounce {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.about-photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, #ffd93d20 0%, #ff6b6b20 100%);
}

.about-photo-placeholder span {
    font-size: 0.9rem;
    margin-top: 1rem;
    color: var(--text-light);
}

.about-photo-name {
    margin-top: 1.5rem;
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
}

.about-chat {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-bubble {
    background: var(--bg-white);
    padding: 1.5rem 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    max-width: 85%;
    position: relative;
}

.chat-bubble--ai {
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble--me {
    align-self: flex-end;
    background: linear-gradient(135deg, #ffd93d40 0%, #ff6b6b40 100%);
    border-bottom-right-radius: 4px;
}

.chat-bubble--highlight {
    align-self: center;
    max-width: 100%;
    background: var(--gradient-warm);
    color: white;
    text-align: center;
    font-weight: 500;
}

.chat-sender {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-coral);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chat-bubble p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.chat-bubble--highlight p {
    color: white;
}

/* ==================== TIMELINE ==================== */
.timeline-section {
    padding: 8rem 2rem;
    background: var(--bg-cream);
}

.timeline-section-inner {
    max-width: 900px;
    margin: 0 auto;
}

.timeline-section-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 4rem;
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-coral), var(--accent-lavender));
}

.tl-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.tl-item::before {
    content: '';
    position: absolute;
    left: -3.5rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-coral);
    box-shadow: 0 0 0 4px var(--bg-cream), 0 0 0 6px var(--accent-coral);
}

.tl-year {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-coral);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tl-title {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-dark);
}

.tl-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-medium);
}

/* ==================== OPINIONS ==================== */
.opinions-section {
    position: relative;
}

.opinion-slide {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
    background: #F4D758;
}

.opinion-number {
    font-family: 'Noto Serif SC', serif;
    font-weight: 900;
    font-size: clamp(6rem, 20vw, 16rem);
    opacity: 0.06;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1;
    pointer-events: none;
    color: inherit;
}

.opinion-text {
    font-family: 'Huiwen Mincho', 'Noto Serif SC', serif;
    font-weight: 900;
    font-size: clamp(1.8rem, 5.5vw, 3.8rem);
    max-width: 800px;
    line-height: 1.35;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(50px) scale(0.95);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);

    /* 木刻印刷斑驳效果 */
    filter: url(#roughen);
    text-shadow:
        1px 1px 0 rgba(0, 0, 0, 0.1),
        -1px -1px 0 rgba(255, 255, 255, 0.3);
}

.opinion-text.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.opinion-deco {
    font-family: 'Caveat', cursive;
    font-size: 1.2rem;
    opacity: 0.8;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
    color: rgba(0, 0, 0, 0.6);
    font-style: italic;
    font-weight: 600;
}

/* ==================== PROJECTS ==================== */
.projects {
    padding: 8rem 2rem;
    background: var(--bg-cream-dark);
}

.projects-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.projects-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 4rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
}

.project-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-card-bg-text {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 8rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.02);
    font-family: 'Inter', sans-serif;
    line-height: 1;
    pointer-events: none;
}

.project-card-content {
    position: relative;
    z-index: 1;
}

.project-card-emoji {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.project-card-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.project-card-desc {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 1.5rem;
}

.project-card-tag {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--accent-coral);
    font-weight: 600;
    padding: 0.5rem 1rem;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 20px;
}

/* ==================== SKILLS — GRID MATRIX ==================== */
.works {
    padding: 8rem 0;
    background: var(--bg-cream);
}

.works-top {
    max-width: 1200px;
    margin: 0 auto 4rem;
    padding: 0 2rem;
    text-align: center;
}

.works-headline {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1rem;
}

.works-subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    font-weight: 400;
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.work-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.work-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warm);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.work-card:hover::before {
    transform: scaleX(1);
}

.work-card:hover {
    transform: scale(1.08);
    box-shadow: 0 20px 60px rgba(255, 107, 107, 0.25);
    z-index: 10;
}

.work-card-number {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1;
    display: block;
    transition: transform 0.4s ease;
}

.work-card:hover .work-card-number {
    transform: scale(1.15) rotate(5deg);
}

.work-card-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
    transition: color 0.3s ease;
}

.work-card:hover .work-card-title {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.work-card-platform {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
    font-weight: 400;
}

/* ==================== CONTACT ==================== */
.contact {
    padding: 10rem 2rem;
    background: var(--bg-cream-dark);
    text-align: center;
}

.contact-inner {
    max-width: 800px;
    margin: 0 auto;
}

.contact-headline {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 1.5rem;
}

.contact-sub {
    font-size: 1.3rem;
    color: var(--text-medium);
    margin-bottom: 3rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.contact-link {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--bg-white);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.contact-link:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: var(--gradient-warm);
    color: white;
}

.contact-quote {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-medium);
    font-style: italic;
}

/* ==================== FOOTER ==================== */
.footer {
    padding: 2rem;
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .about-chat-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-photo-wrapper {
        max-width: 200px;
        margin: 0 auto;
    }

    .chat-bubble {
        max-width: 95%;
    }

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

    .timeline {
        padding-left: 2rem;
    }

    .tl-item {
        padding-left: 1.5rem;
    }

    .works-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1.5rem;
    }

    .work-card {
        padding: 2.5rem;
    }

    .work-card-number {
        font-size: 3.5rem;
    }

    .work-card-title {
        font-size: 1.6rem;
    }

    .work-card-platform {
        font-size: 0.95rem;
    }

    .about, .timeline-section, .projects, .works {
        padding: 5rem 0;
    }

    .contact {
        padding: 6rem 0;
    }

    .hero {
        padding: 4rem 1rem;
    }

    .terminal-window {
        border-radius: 12px;
    }

    .terminal-body {
        padding: 2rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .works-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

/* ==================== 3D TILT EFFECT ==================== */
[data-tilt] {
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* ==================== WECHAT MODAL ==================== */
.wechat-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.wechat-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.wechat-modal-content {
    background: white;
    padding: 2.5rem 2rem 2rem;
    border-radius: 24px;
    max-width: 360px;
    width: 90%;
    text-align: center;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.wechat-modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1;
}

.wechat-modal-close:hover {
    color: var(--accent-coral);
    transform: rotate(90deg);
}

.wechat-modal-content h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.wechat-qr-placeholder {
    width: 220px;
    height: 220px;
    margin: 0 auto 1.2rem;
    background: #f5f5f5;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.wechat-qr-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    padding: 8px;
}

.wechat-qr-placeholder p:first-child {
    font-size: 3rem;
    margin: 0;
}

.wechat-qr-placeholder p {
    margin: 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.wechat-hint {
    font-size: 0.75rem !important;
    color: var(--text-light);
    opacity: 0.7;
}

.wechat-name {
    font-size: 1.1rem;
    color: var(--text-medium);
    font-weight: 500;
}