/* ===== 全局变量 ===== */
:root {
    --cream: #FAF7F2;
    --cream-dark: #F5F0E8;
    --charcoal: #2C2C2C;
    --charcoal-light: #3D3D3D;
    --warm-apricot: #E8A87C;
    --warm-apricot-light: #F0C4A8;
    --coral: #E8A8A0;
    --text-primary: #1A1A1A;
    --text-secondary: #5A5A5A;
    --text-muted: #8A8A8A;
    --border: rgba(0,0,0,0.06);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--cream);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-size: 18px;
}

.container { max-width: 1700px; margin: 0 auto; padding: 0 60px; }

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

.navbar.scrolled {
    background: rgba(250, 247, 242, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 20px rgba(0,0,0,0.04);
    padding: 14px 0;
}

.nav-container {
    max-width: 1700px; margin: 0 auto;
    padding: 0 60px;
    display: flex; align-items: center; justify-content: space-between;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem; font-weight: 600;
    color: var(--text-primary); text-decoration: none;
    letter-spacing: 2px;
}

.nav-links {
    display: flex; list-style: none; gap: 40px;
}

.nav-links a {
    font-size: 1rem; font-weight: 400;
    color: var(--text-secondary); text-decoration: none;
    position: relative; padding: 6px 0;
    transition: var(--transition);
}

.nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 0; height: 1.5px;
    background: var(--warm-apricot);
    transition: width 0.4s ease;
}

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

.nav-cta {
    padding: 10px 28px;
    border: 1.5px solid var(--charcoal);
    border-radius: 100px;
    font-size: 0.95rem; font-weight: 500;
    color: var(--charcoal); text-decoration: none;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--charcoal); color: var(--cream);
}

/* ===== 全屏首页 ===== */
.hero {
    position: relative; height: 100vh;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}

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

.hero-video-bg video {
    width: 100%; height: 100%; object-fit: cover;
}

.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(250,247,242,0.88) 0%, rgba(250,247,242,0.75) 50%, rgba(232,168,124,0.12) 100%);
}

.hero-glow {
    position: absolute; width: 600px; height: 600px;
    border-radius: 50%; opacity: 0.15;
    background: radial-gradient(circle, var(--warm-apricot) 0%, transparent 70%);
    animation: glowMove 12s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowMove {
    0%, 100% { transform: translate(-30%, -20%) scale(1); }
    33% { transform: translate(20%, 10%) scale(1.2); }
    66% { transform: translate(-10%, 30%) scale(0.9); }
}

.hero-content {
    position: relative; z-index: 2;
    text-align: center; max-width: 900px; padding: 0 40px;
}

.hero-subtitle {
    font-size: 1.15rem; font-weight: 400;
    color: var(--text-muted); letter-spacing: 4px;
    text-transform: uppercase; margin-bottom: 24px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3.5rem, 7vw, 6.5rem);
    font-weight: 700; line-height: 1.15;
    color: var(--text-primary); margin-bottom: 28px;
    animation: fadeInUp 1s ease 0.5s both;
}

.hero-title span { display: block; }

.hero-desc {
    font-size: 1.25rem; font-weight: 300;
    color: var(--text-secondary); max-width: 600px;
    margin: 0 auto 40px; line-height: 1.8;
    animation: fadeInUp 1s ease 0.7s both;
}

.hero-btns {
    display: flex; gap: 20px; justify-content: center;
    animation: fadeInUp 1s ease 0.9s both;
}

.btn-primary, .btn-secondary {
    padding: 16px 40px; border-radius: 100px;
    font-size: 1.05rem; font-weight: 500;
    text-decoration: none; transition: var(--transition);
}

.btn-primary {
    background: var(--charcoal); color: var(--cream);
    box-shadow: 0 4px 20px rgba(44,44,44,0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(44,44,44,0.25);
    background: var(--charcoal-light);
}

.btn-secondary {
    background: transparent; color: var(--charcoal);
    border: 1.5px solid var(--charcoal);
}

.btn-secondary:hover {
    background: var(--charcoal); color: var(--cream);
    transform: translateY(-2px);
}

.scroll-indicator {
    position: absolute; bottom: 40px; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center;
    gap: 12px; z-index: 2;
}

.scroll-indicator span {
    font-size: 0.85rem; color: var(--text-muted);
    letter-spacing: 2px;
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.5; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

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

/* ===== 关于我 ===== */
.about { padding: 140px 0; background: var(--cream); }

.about-grid {
    display: grid; grid-template-columns: 1fr 1.5fr;
    gap: 80px; align-items: start;
}

.about-left {
    display: flex; flex-direction: column; gap: 48px;
}

.about-experience {
    background: var(--cream-dark); padding: 36px 32px;
    border-radius: 20px; border: 1px solid var(--border);
}

.about-experience h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem; font-weight: 600; margin-bottom: 24px;
    color: var(--text-primary);
}

.exp-item {
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px; margin-bottom: 20px;
}

.exp-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.exp-year {
    font-size: 0.85rem; color: var(--warm-apricot);
    font-weight: 500; letter-spacing: 1px; display: block; margin-bottom: 8px;
}

.exp-item h4 { font-size: 1.15rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; }
.exp-item p { font-size: 0.95rem; color: var(--text-secondary); }

.about-right { padding-top: 20px; }

.section-tag {
    font-size: 0.85rem; font-weight: 500; color: var(--warm-apricot);
    letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 16px;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700; line-height: 1.2; color: var(--text-primary);
    margin-bottom: 36px;
}

.about-text { display: flex; flex-direction: column; gap: 24px; margin-bottom: 40px; }
.about-text p { font-size: 1.15rem; font-weight: 300; color: var(--text-secondary); line-height: 1.9; }

.about-info {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 20px; margin-bottom: 40px;
}

.info-item { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid var(--border); }
.info-label { font-size: 1rem; color: var(--text-muted); }
.info-value { font-size: 1.05rem; font-weight: 500; color: var(--text-primary); }

.about-contact-row { display: flex; gap: 24px; flex-wrap: wrap; }
.contact-link {
    font-size: 1.05rem; font-weight: 500; color: var(--text-primary);
    text-decoration: none; padding: 12px 28px;
    border: 1px solid var(--border); border-radius: 100px;
    transition: var(--transition);
}
.contact-link:hover { border-color: var(--warm-apricot); color: var(--warm-apricot); }

/* ===== 作品展示 ===== */
.portfolio { padding: 140px 0; background: var(--cream-dark); }

.section-header { text-align: center; margin-bottom: 80px; }
.section-header .section-tag { margin-bottom: 20px; }
.section-header .section-title { margin-bottom: 20px; }
.section-desc {
    font-size: 1.15rem; font-weight: 300; color: var(--text-secondary);
    max-width: 600px; margin: 0 auto;
}

.portfolio-category { margin-bottom: 120px; }
.portfolio-category:last-child { margin-bottom: 0; }

.category-title {
    font-family: 'Playfair Display', serif;
    font-size: 2rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 48px;
    padding-bottom: 16px; border-bottom: 2px solid var(--warm-apricot);
    display: inline-block;
}

/* 详情页 - 两条两条展示 */
.detail-gallery {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
    max-width: 1400px; margin: 0 auto;
}

.detail-item {
    position: relative; overflow: hidden; border-radius: 16px;
    background: var(--cream); border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.detail-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.detail-img {
    width: 100%; height: auto; display: block;
    object-fit: contain; background: #fff;
}

.detail-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 20px 28px;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    pointer-events: none;
}

.detail-label {
    font-size: 1.15rem; font-weight: 500; color: #fff;
    letter-spacing: 1px;
}

/* 建模与渲染 - 配对展示 */
.modeling-gallery {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px;
}

.modeling-pair {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
    background: var(--cream); border-radius: 20px;
    border: 1px solid var(--border); padding: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.modeling-pair:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.modeling-item {
    position: relative; overflow: hidden; border-radius: 12px;
    background: #fff;
}

.modeling-img {
    width: 100%; height: auto; display: block;
    object-fit: contain; background: #fff;
}

.modeling-label {
    position: absolute; bottom: 12px; left: 12px;
    padding: 6px 16px; border-radius: 100px;
    background: rgba(44,44,44,0.75); color: var(--cream);
    font-size: 0.85rem; font-weight: 500;
    backdrop-filter: blur(4px);
}

/* 海报 - 网格展示 */
.poster-gallery {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
}

.poster-item {
    position: relative; overflow: hidden; border-radius: 16px;
    background: var(--cream); border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.poster-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.poster-img {
    width: 100%; height: auto; display: block;
    object-fit: contain; background: #fff;
}

.poster-overlay {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 20px 28px;
    background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
    pointer-events: none;
}

.poster-label {
    font-size: 1.15rem; font-weight: 500; color: #fff;
    letter-spacing: 1px;
}

/* ===== 个人优势 ===== */
.skills { padding: 140px 0; background: var(--cream); }

.skills-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.skill-card {
    background: var(--cream); padding: 48px 40px;
    border-radius: 20px; border: 1px solid var(--border);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.skill-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232,168,124,0.3);
}

.skill-icon {
    width: 56px; height: 56px; margin-bottom: 28px;
    color: var(--warm-apricot);
}

.skill-icon svg { width: 100%; height: 100%; }

.skill-card h3 {
    font-size: 1.35rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 16px;
}

.skill-card p {
    font-size: 1.05rem; font-weight: 300;
    color: var(--text-secondary); line-height: 1.8;
    margin-bottom: 24px;
}

.skill-tags { display: flex; gap: 10px; flex-wrap: wrap; }

.skill-tags span {
    padding: 8px 16px; border-radius: 100px;
    background: rgba(232,168,124,0.1);
    color: var(--warm-apricot); font-size: 0.88rem; font-weight: 500;
}

/* ===== 底部联系方式 ===== */
.contact {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: var(--charcoal); overflow: hidden;
    padding: 100px 0;
}

.contact-glow {
    position: absolute; width: 800px; height: 800px;
    border-radius: 50%; opacity: 0.08;
    background: radial-gradient(circle, var(--warm-apricot) 0%, transparent 70%);
    animation: glowMove 15s ease-in-out infinite;
}

.contact-content { position: relative; z-index: 2; text-align: center; }

.contact .section-tag { color: var(--warm-apricot-light); font-size: 1rem; }

.contact-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: 700; color: var(--cream); line-height: 1.2;
    margin-bottom: 28px;
}

.contact-desc {
    font-size: 1.25rem; font-weight: 300;
    color: rgba(250,247,242,0.6); margin-bottom: 60px;
}

.contact-methods {
    display: flex; justify-content: center; gap: 40px;
    flex-wrap: wrap; margin-bottom: 80px;
}

.contact-method {
    display: flex; align-items: center; gap: 16px;
    padding: 28px 36px; border-radius: 16px;
    background: rgba(250,247,242,0.05);
    border: 1px solid rgba(250,247,242,0.1);
    text-decoration: none; transition: var(--transition);
    min-width: 300px;
}

.contact-method:hover {
    background: rgba(250,247,242,0.08);
    border-color: rgba(232,168,124,0.3);
    transform: translateY(-4px);
}

.method-icon {
    width: 48px; height: 48px; flex-shrink: 0;
    color: var(--warm-apricot);
}

.method-icon svg { width: 100%; height: 100%; }

.method-info { display: flex; flex-direction: column; gap: 4px; text-align: left; }
.method-label { font-size: 0.85rem; color: rgba(250,247,242,0.4); letter-spacing: 1px; }
.method-value { font-size: 1.1rem; font-weight: 500; color: var(--cream); }

.contact-footer { margin-top: 40px; }
.copyright { font-size: 0.95rem; color: rgba(250,247,242,0.3); margin-bottom: 8px; }
.footer-note { font-size: 0.9rem; color: rgba(250,247,242,0.2); letter-spacing: 2px; }

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .skills-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .modeling-gallery { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 24px; }
    .nav-container { padding: 0 24px; }
    .nav-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .skills-grid, .poster-gallery { grid-template-columns: 1fr; }
    .contact-methods { flex-direction: column; align-items: center; }
    .contact-method { width: 100%; max-width: 340px; }
    .about-info { grid-template-columns: 1fr; }
    .modeling-pair { grid-template-columns: 1fr; }
}

/* ===== 滚动动画 ===== */
.fade-in {
    opacity: 0; transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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