张兴中的个人技术开发站 - 全局样式 v2.0
 清爽大气 · 浅色为主 · 暗色可选
 纯静态 · 非盈利 · 非经营
 ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
 --bg-primary: #f8f9fc;
 --bg-secondary: #ffffff;
 --bg-tertiary: #f0f2f7;
 --bg-card: rgba(255,255,255,0.85);
 --bg-card-hover: rgba(255,255,255,1);
 --text-primary: #1e2330;
 --text-secondary: rgba(30,35,48,0.6);
 --text-muted: rgba(30,35,48,0.38);
 --accent: #4f6ef7;
 --accent-light: #6b8aff;
 --accent-dark: #3b54d4;
 --accent-glow: rgba(79,110,247,0.08);
 --accent-glow-strong: rgba(79,110,247,0.15);
 --accent-dim: rgba(79,110,247,0.5);
 --border: rgba(30,35,48,0.08);
 --border-hover: rgba(30,35,48,0.16);
 --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
 --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 2px 6px rgba(0,0,0,0.03);
 --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
 --shadow-accent: 0 8px 32px rgba(79,110,247,0.18);
 --radius: 20px;
 --radius-sm: 12px;
 --radius-xs: 8px;
 --font-cn: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
 --font-en: 'Inter', 'Noto Sans SC', sans-serif;
 --max-width: 1140px;
 --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

:root.dark {
 --bg-primary: #0f1119;
 --bg-secondary: #161822;
 --bg-tertiary: #1c1f2e;
 --bg-card: rgba(22,24,34,0.75);
 --bg-card-hover: rgba(28,31,46,0.85);
 --text-primary: #eaeaf0;
 --text-secondary: rgba(234,234,240,0.58);
 --text-muted: rgba(234,234,240,0.32);
 --accent: #6b8aff;
 --accent-light: #8aa3ff;
 --accent-dark: #4f6ef7;
 --accent-glow: rgba(107,138,255,0.10);
 --accent-glow-strong: rgba(107,138,255,0.18);
 --accent-dim: rgba(107,138,255,0.55);
 --border: rgba(255,255,255,0.07);
 --border-hover: rgba(255,255,255,0.14);
 --shadow-sm: 0 1px 3px rgba(0,0,0,0.15);
 --shadow-md: 0 4px 16px rgba(0,0,0,0.25);
 --shadow-lg: 0 12px 40px rgba(0,0,0,0.35);
 --shadow-accent: 0 8px 32px rgba(107,138,255,0.2);
}
:root.dark body { background: var(--bg-primary); }
:root.dark .noise-overlay { opacity: 0.018; }
:root.dark .orb { opacity: 0.25; }
:root.dark .nav.scrolled {
 background: rgba(15,17,25,0.88);
 backdrop-filter: blur(20px);
 box-shadow: 0 1px 20px rgba(0,0,0,0.25);
}
:root.dark .nav { background: rgba(15,17,25,0.65); }
:root.dark .page-hero { background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%); }
:root.dark .mobile-menu { background: rgba(15,17,25,0.97); }
:root.dark .mobile-menu a { color: var(--text-primary); }
:root.dark .mobile-close { color: var(--text-primary); }
:root.dark .footer { background: var(--bg-secondary); border-top: 1px solid var(--border); }
:root.dark .footer, :root.dark .footer a, :root.dark .footer-left { color: var(--text-secondary); }
:root.dark .quote-block { background: var(--bg-card); border-left: 3px solid var(--accent); }
:root.dark .quote-block blockquote, :root.dark .quote-block cite { color: var(--text-primary); }
:root.dark .quote-mark { color: var(--accent-dim); }
:root.dark .disclaimer-banner { background: var(--accent-glow); border: 1px solid var(--border); color: var(--text-secondary); }
:root.dark .search-box { background: var(--bg-card); border: 1px solid var(--border); }
:root.dark .search-box input { color: var(--text-primary); }
:root.dark .search-box input::placeholder { color: var(--text-muted); }
:root.dark .search-box svg { stroke: var(--text-muted); }
:root.dark .search-clear { color: var(--text-muted); }
:root.dark .post-list-item { background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
:root.dark .post-list-item:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }
:root.dark .work-card { background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
:root.dark .work-card:hover { background: var(--bg-card-hover); border-color: var(--border-hover); }
:root.dark .back-to-top { background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--text-secondary); }

.theme-toggle {
 position: fixed;
 bottom: 28px;
 right: 28px;
 width: 46px;
 height: 46px;
 border-radius: 50%;
 border: 1px solid var(--border);
 background: var(--bg-secondary);
 color: var(--text-secondary);
 cursor: pointer;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 1.15rem;
 z-index: 90;
 transition: all var(--transition);
 box-shadow: var(--shadow-md);
}
.theme-toggle:hover {
 border-color: var(--accent);
 color: var(--accent);
 transform: scale(1.08) rotate(15deg);
 box-shadow: var(--shadow-accent);
}

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

html {
 scroll-behavior: smooth;
 scrollbar-width: thin;
 scrollbar-color: rgba(79,110,247,0.25) transparent;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(79,110,247,0.25); border-radius: 3px; }

body {
 font-family: var(--font-cn);
 background: var(--bg-primary);
 color: var(--text-primary);
 line-height: 1.8;
 -webkit-font-smoothing: antialiased;
 overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: all var(--transition); }
img { max-width: 100%; display: block; }

.atmosphere {
 position: fixed;
 inset: 0;
 pointer-events: none;
 z-index: 0;
 overflow: hidden;
}

.atmosphere .orb {
 position: absolute;
 border-radius: 50%;
 filter: blur(120px);
 opacity: 0.35;
}

.atmosphere .orb-1 {
 width: 650px; height: 650px;
 background: radial-gradient(circle, rgba(79,110,247,0.14), transparent 70%);
 top: -250px; right: -180px;
 animation: float1 22s ease-in-out infinite;
}

.atmosphere .orb-2 {
 width: 550px; height: 550px;
 background: radial-gradient(circle, rgba(99,179,237,0.10), transparent 70%);
 bottom: -150px; left: -120px;
 animation: float2 28s ease-in-out infinite;
}

.atmosphere .orb-3 {
 width: 350px; height: 350px;
 background: radial-gradient(circle, rgba(167,139,250,0.08), transparent 70%);
 top: 45%; left: 50%;
 transform: translate(-50%, -50%);
 animation: float3 20s ease-in-out infinite;
}

@keyframes float1 {
 0%, 100% { transform: translate(0, 0) scale(1); }
 50% { transform: translate(-60px, 50px) scale(1.05); }
}
@keyframes float2 {
 0%, 100% { transform: translate(0, 0); }
 50% { transform: translate(50px, -60px); }
}
@keyframes float3 {
 0%, 100% { transform: translate(-50%, -50%) scale(1); }
 50% { transform: translate(-50%, -50%) scale(1.2); }
}

.noise-overlay {
 position: fixed;
 inset: 0;
 pointer-events: none;
 z-index: 1;
 opacity: 0.015;
 background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
 background-size: 128px 128px;
}

.page-wrapper {
 position: relative;
 z-index: 2;
 min-height: 100vh;
}

.container {
 max-width: var(--max-width);
 margin: 0 auto;
 padding: 0 40px;
}

.nav {
 position: fixed;
 top: 0; left: 0; right: 0;
 z-index: 100;
 padding: 18px 0;
 transition: all var(--transition);
 background: rgba(248,249,252,0.72);
 backdrop-filter: blur(20px);
 -webkit-backdrop-filter: blur(20px);
 border-bottom: 1px solid transparent;
}

.nav.scrolled {
 background: rgba(248,249,252,0.92);
 backdrop-filter: blur(24px);
 -webkit-backdrop-filter: blur(24px);
 border-bottom: 1px solid var(--border);
 box-shadow: 0 1px 12px rgba(0,0,0,0.04);
 padding: 12px 0;
}

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

.nav-logo {
 font-family: var(--font-en);
 font-size: 1.15rem;
 font-weight: 700;
 letter-spacing: -0.3px;
 color: var(--text-primary);
}

.nav-logo span {
 color: var(--accent);
 font-weight: 400;
 font-size: 0.82rem;
 margin-left: 8px;
 letter-spacing: 0;
}

.nav-links {
 display: flex;
 gap: 32px;
 list-style: none;
}

.nav-links a {
 font-size: 0.86rem;
 font-weight: 500;
 color: var(--text-secondary);
 position: relative;
 padding: 6px 0;
 transition: color var(--transition);
}

.nav-links a::after {
 content: '';
 position: absolute;
 bottom: 0; left: 0;
 width: 0; height: 2px;
 background: var(--accent);
 border-radius: 1px;
 transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
 color: var(--accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
 width: 100%;
}

.nav-toggle {
 display: none;
 flex-direction: column;
 gap: 5px;
 cursor: pointer;
 padding: 8px;
}

.nav-toggle span {
 width: 22px; height: 1.8px;
 background: var(--text-primary);
 border-radius: 2px;
 transition: all var(--transition);
}

.hero {
 min-height: 94vh;
 display: flex;
 align-items: center;
 padding-top: 80px;
 position: relative;
}

.hero-content {
 width: 100%;
}

.hero-tag {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 font-family: var(--font-en);
 font-size: 0.78rem;
 color: var(--accent);
 font-weight: 600;
 letter-spacing: 2px;
 text-transform: uppercase;
 margin-bottom: 36px;
 opacity: 0;
 animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-tag::before {
 content: '';
 width: 36px; height: 2px;
 background: var(--accent);
 border-radius: 1px;
}

.hero h1 {
 font-family: var(--font-en);
 font-size: clamp(2.6rem, 5.5vw, 4.5rem);
 font-weight: 800;
 line-height: 1.12;
 margin-bottom: 32px;
 letter-spacing: -1.5px;
 opacity: 0;
 animation: fadeUp 0.8s ease forwards 0.38s;
}

.hero h1 .accent { 
 color: var(--accent);
 position: relative;
}
.hero h1 .light { font-weight: 300; color: var(--text-secondary); }

.hero-desc {
 font-size: 1.08rem;
 color: var(--text-secondary);
 max-width: 520px;
 line-height: 1.85;
 margin-bottom: 48px;
 opacity: 0;
 animation: fadeUp 0.8s ease forwards 0.56s;
}

.hero-actions {
 display: flex;
 gap: 14px;
 flex-wrap: wrap;
 opacity: 0;
 animation: fadeUp 0.8s ease forwards 0.72s;
}

.btn {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 padding: 14px 32px;
 font-size: 0.88rem;
 font-family: var(--font-cn);
 letter-spacing: 0.3px;
 border-radius: 50px;
 border: none;
 cursor: pointer;
 transition: all var(--transition);
 font-weight: 600;
}

.btn-primary {
 background: var(--accent);
 color: #fff;
 box-shadow: var(--shadow-md), 0 2px 8px rgba(79,110,247,0.15);
}

.btn-primary:hover {
 background: var(--accent-dark);
 transform: translateY(-2px);
 box-shadow: var(--shadow-accent);
}

.btn-outline {
 background: var(--bg-secondary);
 color: var(--text-primary);
 border: 1.5px solid var(--border);
 box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
 border-color: var(--accent);
 color: var(--accent);
 transform: translateY(-2px);
 box-shadow: var(--shadow-md);
}

.btn svg { width: 16px; height: 16px; }

.hero-stats {
 display: flex;
 gap: 64px;
 margin-top: 80px;
 padding-top: 40px;
 border-top: 1px solid var(--border);
 opacity: 0;
 animation: fadeUp 0.8s ease forwards 0.88s;
}

.stat-item .stat-num {
 font-family: var(--font-en);
 font-size: 2.2rem;
 font-weight: 800;
 color: var(--accent);
 line-height: 1;
 letter-spacing: -1px;
}

.stat-item .stat-label {
 font-size: 0.78rem;
 color: var(--text-muted);
 margin-top: 8px;
 letter-spacing: 1px;
 font-weight: 500;
}

.section {
 padding: 110px 0;
}

.section-header {
 margin-bottom: 56px;
}

.section-tag {
 font-family: var(--font-en);
 font-size: 0.73rem;
 color: var(--accent);
 font-weight: 600;
 letter-spacing: 3px;
 text-transform: uppercase;
 margin-bottom: 16px;
}

.section-title {
 font-family: var(--font-en);
 font-size: clamp(1.7rem, 3vw, 2.4rem);
 font-weight: 750;
 line-height: 1.25;
 letter-spacing: -0.5px;
}

.section-title .accent { color: var(--accent); }

.section-subtitle {
 color: var(--text-secondary);
 font-size: 0.95rem;
 margin-top: 12px;
 max-width: 480px;
 line-height: 1.7;
}

.card-grid {
 display: grid;
 gap: 24px;
}

.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius);
 padding: 36px;
 transition: all var(--transition);
 position: relative;
 overflow: hidden;
 box-shadow: var(--shadow-sm);
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
}

.card::before {
 content: '';
 position: absolute;
 inset: 0;
 background: linear-gradient(135deg, var(--accent-glow), transparent 50%);
 opacity: 0;
 transition: opacity var(--transition);
}

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

.card:hover::before { opacity: 1; }

.card-icon {
 width: 52px; height: 52px;
 border-radius: 14px;
 background: var(--accent-glow);
 display: flex;
 align-items: center;
 justify-content: center;
 margin-bottom: 24px;
 color: var(--accent);
 font-size: 1.35rem;
}

.card h3 {
 font-size: 1.1rem;
 font-weight: 650;
 margin-bottom: 10px;
 letter-spacing: -0.2px;
}

.card p {
 color: var(--text-secondary);
 font-size: 0.87rem;
 line-height: 1.75;
}

.post-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius);
 overflow: hidden;
 transition: all var(--transition);
 box-shadow: var(--shadow-sm);
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
}

.post-card:hover {
 border-color: var(--border-hover);
 transform: translateY(-5px);
 box-shadow: var(--shadow-lg);
}

.post-card-image {
 width: 100%;
 aspect-ratio: 16/9;
 object-fit: cover;
 background: var(--bg-tertiary);
}

.post-card-body {
 padding: 26px;
}

.post-card-meta {
 display: flex;
 align-items: center;
 gap: 12px;
 font-size: 0.73rem;
 color: var(--text-muted);
 margin-bottom: 14px;
}

.post-card-meta .tag {
 background: var(--accent-glow);
 color: var(--accent);
 padding: 3px 11px;
 border-radius: 20px;
 font-size: 0.7rem;
 font-weight: 600;
 letter-spacing: 0.3px;
}

.post-card h3 {
 font-size: 1.05rem;
 font-weight: 650;
 margin-bottom: 10px;
 line-height: 1.5;
 letter-spacing: -0.2px;
 transition: color var(--transition);
}

.post-card:hover h3 { color: var(--accent); }

.post-card p {
 color: var(--text-secondary);
 font-size: 0.84rem;
 line-height: 1.7;
 display: -webkit-box;
 -webkit-line-clamp: 3;
 -webkit-box-orient: vertical;
 overflow: hidden;
}

.timeline {
 position: relative;
 padding-left: 40px;
}

.timeline::before {
 content: '';
 position: absolute;
 left: 7px; top: 8px;
 width: 2px;
 height: calc(100% - 16px);
 background: linear-gradient(to bottom, var(--accent), var(--border));
 border-radius: 1px;
}

.timeline-item {
 position: relative;
 padding-bottom: 48px;
 opacity: 0;
 transform: translateY(20px);
 transition: all 0.6s ease;
}

.timeline-item.visible {
 opacity: 1;
 transform: translateY(0);
}

.timeline-item::before {
 content: '';
 position: absolute;
 left: -40px; top: 8px;
 width: 16px; height: 16px;
 border-radius: 50%;
 border: 2.5px solid var(--accent);
 background: var(--bg-secondary);
 transition: all var(--transition);
 box-shadow: 0 0 0 4px var(--accent-glow);
}

.timeline-item:hover::before {
 transform: scale(1.15);
 box-shadow: 0 0 0 6px var(--accent-glow-strong), 0 0 16px var(--accent-glow);
}

.timeline-item .time {
 font-size: 0.74rem;
 color: var(--text-muted);
 letter-spacing: 1.5px;
 font-weight: 600;
 text-transform: uppercase;
 margin-bottom: 8px;
}

.timeline-item h3 {
 font-size: 1.05rem;
 font-weight: 650;
 margin-bottom: 6px;
}

.timeline-item p {
 color: var(--text-secondary);
 font-size: 0.87rem;
 line-height: 1.75;
}

.photo-placeholder {
 width: 100%;
 height: 100%;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 1.8rem;
 color: rgba(255,255,255,0.7);
}

.photo-placeholder.p1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.photo-placeholder.p2 { background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.photo-placeholder.p3 { background: linear-gradient(135deg, #eb3349 0%, #f45c43 100%); }
.photo-placeholder.p4 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.photo-placeholder.p5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
.photo-placeholder.p6 { background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }
.photo-placeholder.p7 { background: linear-gradient(135deg, #fccb90 0%, #d57eeb 100%); }
.photo-placeholder.p8 { background: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%); }
.photo-placeholder.p9 { background: linear-gradient(135deg, #c471f5 0%, #fa71cd 100%); }

.quote-block {
 text-align: center;
 padding: 80px 40px;
 border-top: 1px solid var(--border);
 border-bottom: 1px solid var(--border);
 margin: 80px 0;
 background: var(--bg-card);
 backdrop-filter: blur(10px);
}

.quote-block .quote-mark {
 font-family: var(--font-en);
 font-size: 4rem;
 color: var(--accent-dim);
 line-height: 1;
 margin-bottom: 20px;
 font-weight: 700;
}

.quote-block blockquote {
 font-size: 1.35rem;
 font-weight: 400;
 line-height: 1.85;
 color: var(--text-primary);
 max-width: 650px;
 margin: 0 auto;
}

.quote-block cite {
 display: block;
 margin-top: 20px;
 font-size: 0.8rem;
 color: var(--text-muted);
 letter-spacing: 1px;
 font-weight: 500;
}

.about-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 64px;
 align-items: center;
}

.about-portrait {
 width: 100%;
 aspect-ratio: 3/4;
 border-radius: var(--radius);
 overflow: hidden;
 position: relative;
 box-shadow: var(--shadow-lg);
}

.about-avatar {
 width: 100%;
 height: 100%;
 overflow: hidden;
 border-radius: var(--radius);
 border: 3px solid var(--border);
}

.about-avatar img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 display: block;
 transition: transform 0.5s ease;
}

.about-avatar:hover img {
 transform: scale(1.04);
}

.about-text h3 {
 font-family: var(--font-en);
 font-size: 1.7rem;
 font-weight: 750;
 margin-bottom: 24px;
 letter-spacing: -0.5px;
}

.about-text p {
 color: var(--text-secondary);
 font-size: 0.93rem;
 line-height: 1.95;
 margin-bottom: 18px;
}

.about-tags {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
 margin-top: 28px;
}

.about-tags .tag {
 padding: 7px 18px;
 border: 1.5px solid var(--border);
 border-radius: 50px;
 font-size: 0.8rem;
 color: var(--text-secondary);
 font-weight: 500;
 transition: all var(--transition);
 background: var(--bg-secondary);
}

.about-tags .tag:hover {
 border-color: var(--accent);
 color: var(--accent);
 background: var(--accent-glow);
 transform: translateY(-1px);
}

.contact-section {
 text-align: center;
 padding: 110px 0;
}

.contact-section .section-title {
 margin-bottom: 16px;
}

.contact-section .section-subtitle {
 margin: 0 auto 48px;
}

.contact-links {
 display: flex;
 justify-content: center;
 gap: 16px;
 flex-wrap: wrap;
}

.contact-link {
 display: flex;
 align-items: center;
 gap: 10px;
 padding: 16px 28px;
 border: 1.5px solid var(--border);
 border-radius: 50px;
 color: var(--text-secondary);
 font-size: 0.88rem;
 font-weight: 500;
 transition: all var(--transition);
 background: var(--bg-card);
 box-shadow: var(--shadow-sm);
}

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

.contact-link svg { width: 18px; height: 18px; }

.footer {
 border-top: 1px solid var(--border);
 padding: 44px 0;
 text-align: center;
 background: var(--bg-secondary);
}

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

.footer-left {
 font-size: 0.8rem;
 color: var(--text-muted);
 font-weight: 500;
}

.footer-left a { color: var(--accent-dim); }
.footer-left a:hover { color: var(--accent); }

.footer-right {
 display: flex;
 gap: 24px;
}

.footer-right a {
 color: var(--text-muted);
 font-size: 0.8rem;
 transition: color var(--transition);
}

.footer-right a:hover { color: var(--accent); }

.divider {
 width: 60px; height: 2px;
 background: var(--accent);
 margin: 0 auto;
 border-radius: 1px;
}

@keyframes fadeUp {
 from { opacity: 0; transform: translateY(28px); }
 to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
 from { opacity: 0; }
 to { opacity: 1; }
}

.fade-in { opacity: 0; transform: translateY(20px); transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.page-hero {
 padding: 160px 0 80px;
 text-align: center;
 background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
}

.page-hero .section-tag { margin-bottom: 12px; }

.page-hero h1 {
 font-family: var(--font-en);
 font-size: clamp(2rem, 4vw, 2.8rem);
 font-weight: 800;
 margin-bottom: 16px;
 letter-spacing: -0.8px;
}

.page-hero .section-subtitle {
 margin: 0 auto;
}

.tag-filter {
 display: flex;
 gap: 8px;
 flex-wrap: wrap;
 margin-bottom: 40px;
}

.tag-filter-btn {
 padding: 8px 20px;
 border-radius: 50px;
 border: 1.5px solid var(--border);
 background: var(--bg-secondary);
 color: var(--text-secondary);
 font-size: 0.82rem;
 font-family: var(--font-cn);
 cursor: pointer;
 transition: all var(--transition);
 letter-spacing: 0.3px;
 font-weight: 500;
}

.tag-filter-btn:hover {
 border-color: var(--accent);
 color: var(--accent);
 background: var(--accent-glow);
}

.tag-filter-btn.active {
 background: var(--accent);
 color: #fff;
 border-color: var(--accent);
 box-shadow: 0 2px 12px rgba(79,110,247,0.25);
}

.search-box {
 position: relative;
 margin-bottom: 32px;
 max-width: 440px;
}

.search-box input {
 width: 100%;
 padding: 14px 48px 14px 48px;
 border-radius: 50px;
 border: 1.5px solid var(--border);
 background: var(--bg-secondary);
 color: var(--text-primary);
 font-size: 0.88rem;
 font-family: var(--font-cn);
 outline: none;
 transition: all var(--transition);
 box-shadow: var(--shadow-sm);
}

.search-box input::placeholder {
 color: var(--text-muted);
}

.search-box input:focus {
 border-color: var(--accent);
 background: var(--bg-card-hover);
 box-shadow: 0 0 0 4px var(--accent-glow), var(--shadow-md);
}

.search-box svg {
 position: absolute;
 left: 18px;
 top: 50%;
 transform: translateY(-50%);
 width: 17px;
 height: 17px;
 color: var(--text-muted);
 pointer-events: none;
}

.search-box .search-clear {
 position: absolute;
 right: 12px;
 top: 50%;
 transform: translateY(-50%);
 width: 24px;
 height: 24px;
 border-radius: 50%;
 border: none;
 background: var(--border);
 color: var(--text-secondary);
 font-size: 13px;
 cursor: pointer;
 display: none;
 align-items: center;
 justify-content: center;
 transition: all var(--transition);
}

.search-box .search-clear.show { display: flex; }
.search-box .search-clear:hover { background: var(--accent-glow); color: var(--accent); }

.works-grid {
 display: grid;
 grid-template-columns: repeat(2, 1fr);
 gap: 28px;
}

.work-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius);
 overflow: hidden;
 transition: all var(--transition);
 box-shadow: var(--shadow-sm);
}

.work-card:hover {
 border-color: var(--border-hover);
 transform: translateY(-4px);
 box-shadow: var(--shadow-lg);
}

.work-card-cover {
 position: relative;
 aspect-ratio: 16/9;
 display: flex;
 align-items: center;
 justify-content: center;
 overflow: hidden;
}

.work-card-emoji {
 font-size: 3rem;
 opacity: 0.3;
 transition: all var(--transition);
}

.work-card:hover .work-card-emoji {
 opacity: 0.5;
 transform: scale(1.15);
}

.work-card-badges {
 position: absolute;
 top: 16px;
 left: 16px;
 display: flex;
 gap: 8px;
}

.work-badge {
 padding: 4px 12px;
 border-radius: 20px;
 font-size: 0.7rem;
 font-weight: 600;
 background: rgba(15,17,25,0.6);
 backdrop-filter: blur(10px);
 color: #fff;
 border: 1px solid rgba(255,255,255,0.15);
}

:root.dark .work-badge {
 background: rgba(255,255,255,0.08);
 color: var(--accent-light);
 border-color: rgba(107,138,255,0.2);
}

.work-card-body {
 padding: 28px;
}

.work-card-body h3 {
 font-size: 1.1rem;
 font-weight: 650;
 margin-bottom: 12px;
 line-height: 1.5;
 letter-spacing: -0.2px;
 transition: color var(--transition);
}

.work-card:hover .work-card-body h3 {
 color: var(--accent);
}

.work-card-body p {
 color: var(--text-secondary);
 font-size: 0.85rem;
 line-height: 1.7;
 margin-bottom: 16px;
}

.work-card-tech {
 display: flex;
 flex-wrap: wrap;
 gap: 8px;
}

.work-card-tech span {
 padding: 4px 12px;
 border-radius: 8px;
 font-size: 0.72rem;
 font-weight: 500;
 background: var(--accent-glow);
 color: var(--accent-dim);
 border: 1px solid var(--accent-glow);
}

.posts-list { display: flex; flex-direction: column; gap: 20px; }

.post-list-item {
 display: grid;
 grid-template-columns: 1fr 3.5fr;
 gap: 40px;
 padding: 36px;
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--radius);
 transition: all var(--transition);
 align-items: center;
 box-shadow: var(--shadow-sm);
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
}

.post-list-item:hover {
 border-color: var(--border-hover);
 background: var(--bg-card-hover);
 transform: translateX(4px);
 box-shadow: var(--shadow-md);
}

.post-list-item .date-block {
 text-align: right;
}

.post-list-item .date-block .day {
 font-family: var(--font-en);
 font-size: 2.6rem;
 font-weight: 800;
 color: var(--accent);
 line-height: 1;
 letter-spacing: -1.5px;
}

.post-list-item .date-block .month {
 font-size: 0.75rem;
 color: var(--text-muted);
 letter-spacing: 2.5px;
 margin-top: 6px;
 font-weight: 600;
 text-transform: uppercase;
}

.post-list-item .post-info .post-meta {
 display: flex;
 gap: 10px;
 margin-bottom: 12px;
 flex-wrap: wrap;
}

.post-list-item .post-info .post-meta .tag {
 background: var(--accent-glow);
 color: var(--accent);
 padding: 3px 11px;
 border-radius: 20px;
 font-size: 0.7rem;
 font-weight: 600;
}

.post-list-item .post-info .post-meta span {
 color: var(--text-muted);
 font-size: 0.75rem;
}

.post-list-item .post-info h3 {
 font-size: 1.15rem;
 font-weight: 650;
 margin-bottom: 8px;
 letter-spacing: -0.3px;
 transition: color var(--transition);
 line-height: 1.45;
}

.post-list-item:hover .post-info h3 { color: var(--accent); }

.post-list-item .post-info p {
 color: var(--text-secondary);
 font-size: 0.87rem;
 line-height: 1.75;
}

.article-content {
 max-width: 740px;
 margin: 0 auto;
 padding: 80px 0 120px;
}

.article-content .article-meta {
 display: flex;
 align-items: center;
 gap: 16px;
 font-size: 0.8rem;
 color: var(--text-muted);
 margin-bottom: 44px;
 padding-bottom: 32px;
 border-bottom: 1px solid var(--border);
 font-weight: 500;
}

.article-content h1 {
 font-family: var(--font-en);
 font-size: clamp(1.75rem, 3vw, 2.3rem);
 font-weight: 800;
 line-height: 1.28;
 margin-bottom: 24px;
 letter-spacing: -0.6px;
}

.article-content h2 {
 font-size: 1.4rem;
 font-weight: 700;
 margin: 52px 0 20px;
 padding-top: 28px;
 border-top: 1px solid var(--border);
 letter-spacing: -0.3px;
}
.article-content h2:first-of-type {
 border-top: none;
 padding-top: 0;
 margin-top: 32px;
}

.article-content h3 {
 font-size: 1.15rem;
 font-weight: 650;
 margin: 32px 0 14px;
 letter-spacing: -0.2px;
 color: var(--text-primary);
}

.article-content p {
 color: var(--text-secondary);
 font-size: 0.95rem;
 line-height: 2;
 margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
 padding-left: 24px;
 margin-bottom: 20px;
 color: var(--text-secondary);
 font-size: 0.93rem;
 line-height: 1.9;
}

.article-content li {
 margin-bottom: 8px;
}

.article-content strong {
 color: var(--text-primary);
 font-weight: 650;
}

.article-content blockquote {
 border-left: 3px solid var(--accent);
 padding: 18px 28px;
 margin: 32px 0;
 background: var(--accent-glow);
 border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content blockquote p {
 color: var(--text-primary);
 font-style: italic;
 margin: 0;
 font-size: 0.93rem;
 line-height: 1.8;
}

.article-content code {
 background: var(--accent-glow);
 color: var(--accent-dark);
 padding: 2px 8px;
 border-radius: 6px;
 font-size: 0.86rem;
 font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
 font-weight: 500;
}

.article-content pre {
 background: #1a1b27;
 border: 1px solid var(--border);
 border-radius: var(--radius);
 padding: 28px;
 overflow-x: auto;
 margin: 28px 0;
 position: relative;
 box-shadow: inset 0 1px 4px rgba(0,0,0,0.1);
}

.article-content pre code {
 background: none;
 padding: 0;
 color: #e4e4ec;
 font-size: 0.84rem;
 line-height: 1.75;
}

.code-copy-btn {
 position: absolute;
 top: 12px;
 right: 12px;
 padding: 6px 14px;
 border-radius: 8px;
 border: 1px solid rgba(255,255,255,0.1);
 background: rgba(255,255,255,0.06);
 color: rgba(255,255,255,0.4);
 font-size: 0.72rem;
 font-family: var(--font-cn);
 cursor: pointer;
 transition: all var(--transition);
 opacity: 0;
 display: flex;
 align-items: center;
 gap: 5px;
 font-weight: 500;
}

.article-content pre:hover .code-copy-btn { opacity: 1; }

.code-copy-btn:hover {
 border-color: var(--accent-light);
 color: var(--accent-light);
 background: rgba(79,110,247,0.12);
}

.code-copy-btn.copied {
 color: #4ade80;
 border-color: rgba(74,222,128,0.3);
}

.code-copy-btn svg { width: 14px; height: 14px; }

.article-content img {
 border-radius: var(--radius);
 margin: 32px 0;
 box-shadow: var(--shadow-md);
}

.article-content table {
 width: 100%;
 border-collapse: collapse;
 margin: 28px 0;
 font-size: 0.88rem;
 border-radius: var(--radius-sm);
 overflow: hidden;
 box-shadow: var(--shadow-sm);
}

.article-content table th {
 background: var(--bg-tertiary);
 color: var(--accent-dark);
 font-weight: 650;
 text-align: left;
 padding: 14px 16px;
 font-size: 0.83rem;
 letter-spacing: 0.3px;
}

.article-content table td {
 padding: 12px 16px;
 border-top: 1px solid var(--border);
 color: var(--text-secondary);
}

.article-content table tr:hover td {
 background: var(--accent-glow);
}

.article-content .article-nav {
 display: flex;
 justify-content: space-between;
 margin-top: 64px;
 padding-top: 40px;
 border-top: 1px solid var(--border);
}

.article-content .article-nav a {
 color: var(--text-secondary);
 font-size: 0.88rem;
 transition: color var(--transition);
 font-weight: 500;
}

.article-content .article-nav a:hover { color: var(--accent); }
.article-content .article-nav .next { text-align: right; }

.back-to-top {
 position: fixed;
 bottom: 84px; right: 28px;
 width: 42px; height: 42px;
 border-radius: 50%;
 background: var(--bg-secondary);
 border: 1px solid var(--border);
 display: flex;
 align-items: center;
 justify-content: center;
 color: var(--text-secondary);
 cursor: pointer;
 opacity: 0;
 transform: translateY(10px);
 transition: all var(--transition);
 z-index: 99;
 box-shadow: var(--shadow-sm);
}

.back-to-top.visible {
 opacity: 1;
 transform: translateY(0);
}

.back-to-top:hover {
 border-color: var(--accent);
 color: var(--accent);
 background: var(--accent-glow);
 box-shadow: var(--shadow-md);
}

.back-to-top svg { width: 18px; height: 18px; }

.disclaimer-banner {
 background: var(--accent-glow);
 border: 1px solid var(--accent-glow-strong);
 border-radius: var(--radius-sm);
 padding: 18px 26px;
 font-size: 0.8rem;
 color: var(--text-secondary);
 line-height: 1.8;
 margin-top: 24px;
}

.disclaimer-banner strong { color: var(--accent-dark); font-weight: 650; }

@media (max-width: 1024px) {
 .container { padding: 0 28px; }
 .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
 .about-grid { grid-template-columns: 1fr; gap: 44px; }
 .hero-stats { gap: 40px; }
 .footer .container { flex-direction: column; gap: 16px; }
}

@media (max-width: 768px) {
 .card-grid-2 { grid-template-columns: 1fr; }
 .card-grid-3 { grid-template-columns: 1fr; }
 .works-grid { grid-template-columns: 1fr; }
 .photo-grid { grid-template-columns: repeat(2, 1fr); }
 .photo-grid .photo:nth-child(1) { grid-row: span 1; }
 .post-list-item { grid-template-columns: 1fr; gap: 20px; padding: 24px; }
 .post-list-item .date-block { text-align: left; display: flex; align-items: baseline; gap: 12px; }
 .post-list-item .date-block .month { margin-top: 0; letter-spacing: 1px; text-transform: none; }
 .hero-stats { flex-direction: column; gap: 24px; }
 .section { padding: 80px 0; }
 .contact-links { flex-direction: column; align-items: stretch; }
 .hero-actions { flex-direction: column; align-items: stretch; }
 .btn { justify-content: center; }
 .hero { min-height: auto; padding: 100px 0 60px; }
 .quote-block { padding: 56px 24px; margin: 56px 0; }
 .contact-section { padding: 80px 0; }
}

@media (max-width: 640px) {
 .container { padding: 0 20px; }
 .nav-links { display: none; }
 .nav-toggle { display: flex; }
 .hero-stats { flex-direction: row; flex-wrap: wrap; gap: 24px; }
 .section { padding: 64px 0; }
 .page-hero { padding: 130px 0 60px; }
}

.mobile-menu {
 display: none;
 position: fixed;
 inset: 0;
 background: rgba(248,249,252,0.97);
 backdrop-filter: blur(24px);
 z-index: 99;
 flex-direction: column;
 align-items: center;
 justify-content: center;
 gap: 32px;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
 font-size: 1.5rem;
 font-weight: 500;
 color: var(--text-primary);
 transition: color var(--transition);
}

.mobile-menu a:hover { color: var(--accent); }

.mobile-close {
 position: absolute;
 top: 24px; right: 24px;
 font-size: 1.5rem;
 color: var(--text-secondary);
 cursor: pointer;
 padding: 8px;
}

.reading-progress {
 position: fixed;
 top: 0;
 left: 0;
 width: 0%;
 height: 3px;
 background: linear-gradient(90deg, var(--accent), #a78bfa);
 z-index: 1000;
 transition: width 0.1s linear;
 border-radius: 0 2px 2px 0;
}