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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-elevated: #222222;
    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent: #d4a84b;
    --accent-hover: #e6b95c;
    --accent-dim: rgba(212, 168, 75, 0.15);
    --border: #2a2a2a;
    --border-light: #333333;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-serif: "Noto Serif SC", serif;
    --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1200px;
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(212, 168, 75, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(100, 60, 180, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(212, 168, 75, 0.03) 0%, transparent 50%);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 16px;
    position: relative;
}

.section-tag::before, .section-tag::after {
    content: "";
    display: inline-block;
    width: 30px; height: 1px;
    background: #ffffff;
    margin: 0 12px;
    vertical-align: middle;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title.left { text-align: left; }

.section-desc {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary { background: var(--accent); color: #0a0a0a; }

.btn-primary:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 168, 75, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-full { width: 100%; justify-content: center; }

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container { display: flex; align-items: center; justify-content: space-between; }

.nav-logo { font-family: var(--font-serif); font-size: 24px; font-weight: 700; letter-spacing: 2px; }
.logo-dot { color: var(--accent); }
.nav-links { display: flex; gap: 40px; }

.nav-link {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 1px;
    background: #ffffff;
    transition: var(--transition);
}

.nav-link:hover { color: var(--text-primary); }
.nav-link:hover::after { width: 100%; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); transition: var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(212, 168, 75, 0.05) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 80%, rgba(212, 168, 75, 0.03) 0%, transparent 50%);
    z-index: 0;
}

.hero-bg { position: absolute; inset: 0; z-index: 0; }

.hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 60%);
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 60%);
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-badge {
    display: inline-block;
    font-size: 13px;
    letter-spacing: 3px;
    color: var(--accent);
    border: 1px solid var(--accent-dim);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 72px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line { display: block; animation: fadeInUp 0.8s ease forwards; opacity: 0; }
.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line.accent { color: var(--accent); }

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.5s;
    opacity: 0;
}

.hero-actions {
    display: flex; gap: 16px; align-items: center;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.7s; opacity: 0;
}

.hero-scroll {
    position: absolute;
    bottom: -80px; left: 0;
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 2px;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1s; opacity: 0;
}

.scroll-line {
    width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

.works { background: var(--bg-secondary); }

.works-filter {
    display: flex; justify-content: center; gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 8px 24px;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--accent); color: #0a0a0a; border-color: var(--accent); }

.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.work-item {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.work-item.hidden { display: none; }
.work-item:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4); }

.work-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }

.work-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    position: relative;
}

.work-placeholder > i { font-size: 32px; opacity: 0.3; color: white; }

.work-duration {
    position: absolute;
    bottom: 12px; right: 12px;
    background: rgba(0, 0, 0, 0.7);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px; font-weight: 500; color: white;
}

.work-overlay {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.work-item:hover .work-overlay { opacity: 1; }

.play-btn {
    background: none; border: none; cursor: pointer;
    color: white; font-size: 56px;
    transition: var(--transition);
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
}

.play-btn:hover { color: var(--accent); transform: scale(1.1); }

.work-info { padding: 20px; }

.work-cat {
    font-size: 11px; letter-spacing: 2px;
    color: var(--accent); text-transform: uppercase;
    margin-bottom: 8px; display: block;
}

.work-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.work-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }
.works-more { text-align: center; margin-top: 48px; }

.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.about-image-frame { border-radius: var(--radius-lg); overflow: hidden; }

.about-placeholder {
    aspect-ratio: 3/4;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px; color: var(--text-muted);
}

.about-placeholder i { font-size: 48px; opacity: 0.3; }
.about-placeholder span { font-size: 14px; }

.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }

.stat {
    text-align: center;
    padding: 20px 12px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 32px; font-weight: 700;
    color: var(--accent);
}

.stat-label { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }
.about-text { padding-top: 20px; }
.about-paragraph { color: var(--text-secondary); font-size: 15px; line-height: 1.9; margin-bottom: 16px; }
.about-skills { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; }

.skill-header { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; color: var(--text-secondary); }
.skill-bar { height: 4px; background: var(--bg-elevated); border-radius: 4px; overflow: hidden; }

.skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    border-radius: 4px;
    transition: width 1.5s ease;
}

.services { background: var(--bg-secondary); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
    text-align: center;
}

.service-card:hover { border-color: var(--accent); transform: translateY(-6px); box-shadow: 0 12px 40px rgba(212, 168, 75, 0.08); }

.service-icon {
    width: 64px; height: 64px;
    margin: 0 auto 24px;
    background: var(--accent-dim);
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: var(--accent);
    transition: var(--transition);
}

.service-card:hover .service-icon { background: var(--accent); color: #0a0a0a; }

.service-title { font-family: var(--font-serif); font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.service-desc { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }

.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; }
.contact-desc { color: var(--text-secondary); font-size: 16px; line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.contact-item { display: flex; align-items: center; gap: 14px; color: var(--text-secondary); font-size: 15px; }
.contact-item i { width: 20px; color: var(--accent); }
.contact-social { display: flex; gap: 16px; }

.social-link {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary);
    font-size: 20px;
    transition: var(--transition);
}

.social-link:hover { background: var(--accent); color: #0a0a0a; border-color: var(--accent); transform: translateY(-3px); }

.contact-form {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.form-group { margin-bottom: 16px; }

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
}

.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 120px; }

.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer-content { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-brand p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-muted); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-copy p { font-size: 12px; color: var(--text-muted); }

.video-modal {
    display: none;
    position: fixed; inset: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.video-modal.open { display: flex; }

.modal-backdrop {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 960px;
    max-height: 90vh;
    animation: modalIn 0.4s ease;
}

.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; padding: 0 4px; }
.modal-title { font-family: var(--font-serif); font-size: 20px; font-weight: 600; }

.modal-close {
    background: none; border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
}

.modal-close:hover { background: rgba(255, 255, 255, 0.1); transform: rotate(90deg); }

.modal-video { background: #000; border-radius: var(--radius); overflow: hidden; }
.modal-video video { width: 100%; display: block; max-height: 70vh; }
.modal-hint { text-align: center; font-size: 12px; color: var(--text-muted); margin-top: 12px; }

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

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (max-width: 1024px) {
    .works-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { gap: 40px; }
}

@media (max-width: 768px) {
    .section { padding: 64px 0; }
    .section-title { font-size: 30px; }
    .hero-title { font-size: 40px; }
    .hero-subtitle { font-size: 15px; }
    .hero-actions { flex-direction: column; gap: 12px; }

    .nav-links {
        display: none;
        position: fixed;
        top: 0; right: -100%;
        width: 70%; height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        transition: var(--transition);
    }

    .nav-links.open { right: 0; display: flex; }
    .nav-link { font-size: 18px; }
    .nav-toggle { display: flex; }

    .works-grid, .services-grid { grid-template-columns: 1fr; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(3, 1fr); }
    .contact-form { padding: 24px; }
    .footer-content { flex-direction: column; text-align: center; gap: 16px; }
    .hero-scroll { display: none; }
    .modal-content { width: 95%; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .container { padding: 0 16px; }
    .works-filter { gap: 6px; }
    .filter-btn { padding: 6px 16px; font-size: 13px; }
}



/* ---- 自定义鼠标光标 ---- */
body {
    cursor: none;
}

.custom-cursor {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    transition: opacity 0.3s ease;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: #ffffff;
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10001;
    transition: width 0.2s, height 0.2s, background 0.2s;
    mix-blend-mode: difference;
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10000;
    transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.cursor-ring.hover {
    width: 56px;
    height: 56px;
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.9);
    border-width: 2px;
}

.cursor-dot.hover {
    width: 4px;
    height: 4px;
    background: #ffffff;
}