/* Base */
*{box-sizing:border-box}
html,body{height:100%}
body{
	margin:0;
	background:#0b0f19;
	color:#e6eefc;
	font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
	overflow-x:hidden;
}
a:focus{outline:none}
/* cinematic vignette + scanlines */
body:after{
	content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
	background:
		radial-gradient(1200px 600px at 70% 20%, rgba(79,140,255,.08), transparent 60%),
		radial-gradient(1200px 800px at 10% 80%, rgba(142,92,255,.06), transparent 60%),
		radial-gradient(1600px 900px at 50% 50%, rgba(12,16,28,.0), rgba(0,0,0,.28) 70%);
	mix-blend-mode:screen;
}
body:before{
	content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
	background:repeating-linear-gradient(0deg, rgba(255,255,255,.02), rgba(255,255,255,.02) 1px, transparent 1px, transparent 4px);
}
a{color:#9cc7ff;text-decoration:none}
a:hover{color:#cfe2ff}
img{max-width:100%;display:block}

/* Layout */
.container{width:100%;max-width:1200px;margin:0 auto;padding:96px 20px 64px}
.section{padding:56px 0}
.section-head{margin-bottom:24px}
.section-head h2{margin:0 0 8px;font-size:32px}
.section-head p{margin:0;color:#9fb1cc}
.grid{display:grid;gap:20px}

/* Header */
.site-header{
	position:fixed;top:0;left:0;right:0;z-index:50;
	display:flex;align-items:center;justify-content:space-between;
	padding:14px 20px;background:linear-gradient(180deg,rgba(11,15,25,.85),rgba(11,15,25,0));
	backdrop-filter:saturate(140%) blur(8px);
	border-bottom:1px solid rgba(255,255,255,.06);
}
.brand{font-weight:800;color:#fff;letter-spacing:0.5px}
.nav a{margin-left:16px;color:#c5d9ff}
.nav a:hover{color:#fff}

/* Hero */
#bg{
	position:fixed;inset:0;z-index:-1;display:block;width:100%;height:100%;
}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;min-height:84vh}
.hero-content{max-width:500px}
.hero:before{
	content:"";position:absolute;left:0;right:0;top:0;height:60vh;z-index:-1;
	background:conic-gradient(from 200deg at 20% 40%, rgba(79,140,255,.18), rgba(142,92,255,.12), transparent 50%);
	filter:blur(20px);
}
.avatar{width:92px;height:92px;border-radius:999px;position:relative;margin-bottom:12px}
.avatar:before{
	content:"";position:absolute;inset:-4px;border-radius:999px;background:linear-gradient(135deg,#4f8cff,#8e5cff);filter:blur(8px);opacity:.5;z-index:-1;
}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:999px;border:2px solid rgba(255,255,255,.15);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.avatar{width:128px;height:128px;border-radius:50%;position:relative;margin:0 0 14px;box-shadow:0 10px 40px rgba(115,151,255,.25)}
.avatar:before{
	content:"";position:absolute;inset:-6px;border-radius:50%;
	background:linear-gradient(135deg,#4f8cff,#8e5cff);
	filter:blur(8px);opacity:.45;z-index:-1;
}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.glitch{
	position:relative;font-size:64px;line-height:1.05;margin:0 0 12px;font-weight:800;letter-spacing:1px;
	text-shadow:0 0 24px rgba(92,166,255,.25);
}
.glitch:before,.glitch:after{
	content:attr(data-text);position:absolute;left:0;top:0;opacity:.1;mix-blend-mode:screen;
}
.glitch:before{transform:translate(2px,0);color:#64a8ff}
.glitch:after{transform:translate(-2px,0);color:#a36aff}
.subtitle{margin:0 0 18px;color:#a9bbd7}

.stats{display:flex;gap:24px;padding:0;margin:18px 0 24px;list-style:none}
.stats .num{display:block;font-size:28px;font-weight:800}
.stats .label{display:block;font-size:12px;color:#94a6c3}

.btn{
	display:inline-block;padding:12px 18px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
	background:rgba(255,255,255,.03);color:#e6eefc;transition:all .2s ease;
}
.btn.primary{background:linear-gradient(135deg,#4f8cff,#8e5cff);border-color:transparent;box-shadow:0 6px 20px rgba(115,151,255,.35)}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(115,151,255,.28)}
.btn.ghost{background:rgba(255,255,255,.06)}
.cta{display:flex;gap:12px}

/* Hero 照片墙 */
.hero-gallery {
	position: relative;
	width: 100%;
	height: 500px;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-template-rows: repeat(4, 1fr);
	gap: 12px;
	padding: 20px;
}
.hero-gallery .photo {
	position: relative;
	border-radius: 8px;
	overflow: hidden;
	background-size: cover;
	background-position: center;
	box-shadow: 0 4px 16px rgba(0,0,0,.4);
	transition: all 0.3s ease;
	border: 2px solid rgba(255,255,255,.1);
}
.hero-gallery .photo:hover {
	transform: scale(1.05) translateY(-4px);
	box-shadow: 0 8px 24px rgba(79,140,255,.3);
	z-index: 10;
}
/* 不同大小和位置的照片 */
.hero-gallery .photo:nth-child(1) {
	grid-column: 1 / 3;
	grid-row: 1 / 3;
	transform: rotate(-2deg);
}
.hero-gallery .photo:nth-child(2) {
	grid-column: 3 / 5;
	grid-row: 1 / 2;
	transform: rotate(1deg);
}
.hero-gallery .photo:nth-child(3) {
	grid-column: 3 / 4;
	grid-row: 2 / 4;
	transform: rotate(-1.5deg);
}
.hero-gallery .photo:nth-child(4) {
	grid-column: 4 / 5;
	grid-row: 2 / 3;
	transform: rotate(2deg);
}
.hero-gallery .photo:nth-child(5) {
	grid-column: 1 / 2;
	grid-row: 3 / 5;
	transform: rotate(1.5deg);
}
.hero-gallery .photo:nth-child(6) {
	grid-column: 2 / 3;
	grid-row: 3 / 4;
	transform: rotate(-1deg);
}
.hero-gallery .photo:nth-child(7) {
	grid-column: 2 / 4;
	grid-row: 4 / 5;
	transform: rotate(0.5deg);
}
.hero-gallery .photo:nth-child(8) {
	grid-column: 4 / 5;
	grid-row: 3 / 5;
	transform: rotate(-2deg);
}

/* Projects */
.projects-grid{
	grid-template-columns:repeat(2,minmax(0,1fr));
}
.card{
	position:relative;border-radius:16px;overflow:hidden;
	background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02));
	border:1px solid rgba(255,255,255,.08);
	box-shadow:0 10px 30px rgba(0,0,0,.25);
	transform:translateZ(0);
}
.card:before{
	content:"";position:absolute;inset:0;border-radius:16px;
	background:radial-gradient(800px 200px at var(--mx,50%) -20%,rgba(118,165,255,.15),transparent 40%);
	transition:background .15s ease;
}
.card:hover:before{background:radial-gradient(900px 240px at var(--mx,50%) -20%,rgba(118,165,255,.22),transparent 42%)}
.thumb{height:280px;background-size:cover;background-position:center}
.card-body{padding:16px}
.card-body h3{margin:0 0 6px;font-size:18px}
.card-body p{margin:0 0 10px;color:#a9bbd7}
.tag{display:inline-block;font-size:12px;padding:4px 8px;border-radius:999px;background:rgba(118,165,255,.12);color:#cfe2ff;border:1px solid rgba(118,165,255,.25)}

/* About */
.about-wrap{
	display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));
}
.about-card{
	padding:18px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08)
}
.about-card h3{margin:0 0 10px}
.tags{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.tags li{padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);font-size:12px;color:#cfe2ff}
.list{margin:0;padding-left:18px;color:#a9bbd7}

/* Contact */
.contact{display:grid;grid-template-columns:2fr 1fr;gap:20px;align-items:start}
.contact-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.contact-card{padding:16px;text-align:center}
.contact-card span{display:block;color:#9fb1cc;margin-bottom:6px}
.contact-card strong{font-size:16px;color:#e6eefc}
.qr-box{width:100%;aspect-ratio:1/1;border-radius:12px;border:1px dashed rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.03)}
.qr .muted{margin-top:8px;color:#8ea2c4;font-size:12px;text-align:center}

/* Footer */
.site-footer{padding:24px 20px;border-top:1px solid rgba(255,255,255,.06);color:#91a6c8;text-align:center}

/* Music Player */
.music-player{
	position:fixed;
	bottom:32px;
	right:32px;
	z-index:100;
}
.music-toggle{
	width:56px;
	height:56px;
	border-radius:50%;
	border:none;
	background:linear-gradient(135deg,#4f8cff,#8e5cff);
	color:#fff;
	cursor:pointer;
	display:flex;
	align-items:center;
	justify-content:center;
	box-shadow:0 8px 24px rgba(79,140,255,.4);
	transition:all .3s ease;
}
.music-toggle:hover{
	transform:scale(1.1);
	box-shadow:0 12px 32px rgba(79,140,255,.5);
}
.music-toggle:active{
	transform:scale(0.95);
}
.music-toggle.playing .icon-play{
	display:none;
}
.music-toggle.playing .icon-pause{
	display:block !important;
}

/* Responsive */
@media (max-width:1024px){
	.hero{grid-template-columns:1fr;gap:32px}
	.hero-content{max-width:100%}
	.hero-gallery{height:400px}
	.projects-grid{grid-template-columns:1fr 1fr}
	.about-wrap{grid-template-columns:1fr 1fr 1fr}
	.contact{grid-template-columns:1fr}
	.contact-cards{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:768px){
	.container{padding:84px 16px 48px}
	.glitch{font-size:42px}
	.stats{gap:16px}
	.hero{grid-template-columns:1fr}
	.hero-gallery{height:320px;gap:8px;padding:10px}
	.projects-grid{grid-template-columns:1fr}
	.about-wrap{grid-template-columns:1fr}
	.contact-cards{grid-template-columns:1fr}
	.music-player{bottom:20px;right:20px}
	.music-toggle{width:48px;height:48px}
}

/* Effects: cursor parallax on cards */
.card{--mx:50%}

/* Video Preview & Modal */
.thumb {
	position: relative;
	overflow: hidden;
}
.video-preview-overlay {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0.4);
	opacity: 0;
	transition: opacity 0.3s ease;
	pointer-events: none;
}
.video-preview-overlay svg {
	color: #fff;
	filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
	transform: scale(0.9);
	transition: transform 0.3s ease;
}
.card.project:hover .video-preview-overlay {
	opacity: 1;
}
.card.project:hover .video-preview-overlay svg {
	transform: scale(1);
}

/* Video Modal */
.video-modal {
	position: fixed;
	inset: 0;
	z-index: 9999;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.3s ease, visibility 0.3s ease;
}
.video-modal.active {
	opacity: 1;
	visibility: visible;
}
.video-modal-overlay {
	position: absolute;
	inset: 0;
	background: rgba(11, 15, 25, 0.95);
	backdrop-filter: blur(8px);
}
.video-modal-content {
	position: relative;
	width: 90%;
	max-width: 1000px;
	max-height: 90vh;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
	border: 1px solid rgba(255, 255, 255, 0.12);
	border-radius: 20px;
	padding: 24px;
	box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
	transform: scale(0.9);
	transition: transform 0.3s ease;
	display: flex;
	flex-direction: column;
}
.video-modal.active .video-modal-content {
	transform: scale(1);
}
.video-modal-close {
	position: absolute;
	top: 16px;
	right: 16px;
	width: 40px;
	height: 40px;
	border: none;
	background: rgba(255, 255, 255, 0.1);
	color: #fff;
	font-size: 28px;
	line-height: 1;
	border-radius: 50%;
	cursor: pointer;
	transition: all 0.2s ease;
	z-index: 10;
	display: flex;
	align-items: center;
	justify-content: center;
}
.video-modal-close:hover {
	background: rgba(255, 255, 255, 0.2);
	transform: rotate(90deg);
}
.video-wrapper {
	position: relative;
	width: 100%;
	aspect-ratio: 16/9;
	background: #000;
	border-radius: 12px;
	overflow: hidden;
	margin-bottom: 16px;
}
.video-wrapper video {
	width: 100%;
	height: 100%;
	object-fit: contain;
	background: #000;
}
.video-info {
	padding: 0 8px;
}
.video-info h3 {
	margin: 0 0 8px;
	font-size: 20px;
}
.video-info p {
	margin: 0;
	color: #a9bbd7;
	font-size: 14px;
}

@media (max-width: 768px) {
	.video-modal-content {
		width: 95%;
		padding: 16px;
	}
	.video-info h3 {
		font-size: 18px;
	}
}