/* Soft palette sampled from the bunny painting in self_photo.png */
:root {
	--yellow: #e3b25b;
	--yellow-soft: #f6e6c4;
	--blue: #5f7baa;
	--blue-deep: #4a6696;
	--blue-soft: #e2e8f2;
	--pink: #e8a39a;
	--pink-soft: #f8e2de;
	--brown: #8e5a3c;
	--brown-soft: #efe2d6;
	--bg: #faf6ef;
	--card: #fffdf9;
	--ink: #3a2f2a;
	--text: #4a403a;
	--muted: #8a7d74;
	--line: #e9dfd3;
}

.c-yellow { --c: var(--yellow); --c-soft: var(--yellow-soft); --c-on: #5a3d1a; --c-deep: #9a6b12; }
.c-blue { --c: var(--blue); --c-soft: var(--blue-soft); --c-on: #ffffff; --c-deep: #3f5a8a; }
.c-pink { --c: var(--pink); --c-soft: var(--pink-soft); --c-on: #5a2e27; --c-deep: #b84f5c; }
.c-brown { --c: var(--brown); --c-soft: var(--brown-soft); --c-on: #ffffff; --c-deep: #7a4a2e; }

* {
	box-sizing: border-box;
}
html {
	font-size: 16px;
	scroll-behavior: smooth;
	scroll-padding-top: 72px;
}
body {
	margin: 0;
	background: var(--bg);
	color: var(--text);
	font-family: "Trebuchet MS", Helvetica, sans-serif;
	line-height: 1.65;
}
a {
	color: var(--blue-deep);
	text-decoration: none;
}
a:hover {
	text-decoration: underline;
}

/* Palette strip */
.paletteBar {
	display: flex;
	height: 6px;
}
.paletteBar .y { flex: 3; background: var(--yellow); }
.paletteBar .b { flex: 2; background: var(--blue); }
.paletteBar .p { flex: 2; background: var(--pink); }
.paletteBar .br { flex: 1; background: var(--brown); }

/* Top navigation */
.masthead {
	position: sticky;
	top: 0;
	z-index: 10;
	background: rgba(250, 246, 239, 0.92);
	backdrop-filter: blur(6px);
	border-bottom: 1px solid var(--line);
}
.masthead .inner {
	max-width: 1440px;
	margin: 0 auto;
	padding: 13px 32px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.masthead .brand {
	font-size: 1.15em;
	font-weight: bold;
	color: var(--brown);
}
.masthead .brand:hover {
	text-decoration: none;
}
.masthead nav a {
	margin-left: 26px;
	padding-bottom: 3px;
	font-size: 0.95em;
	color: var(--ink);
	border-bottom: 2px solid transparent;
}
.masthead nav a:hover {
	text-decoration: none;
	border-bottom-color: var(--pink);
}

/* Page container */
.container {
	max-width: 1440px;
	margin: 0 auto;
	padding: 0 32px;
}
.container > section {
	margin-top: 60px;
}
h2.sectionTitle {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 0 0 18px 0;
	padding-bottom: 10px;
	font-size: 1.5em;
	color: var(--ink);
	border-bottom: 1px solid var(--line);
}
h2.sectionTitle::before {
	content: "";
	flex-shrink: 0;
	width: 13px;
	height: 13px;
	border-radius: 3px;
	background: var(--c);
}
.container p {
	margin: 0 0 14px 0;
}

/* First screen: profile + about + research interests */
.hero {
	display: grid;
	grid-template-columns: 300px minmax(0, 1fr);
	gap: 52px;
	align-items: start;
	padding-top: 44px;
}
.avatar {
	display: block;
	width: 100%;
	aspect-ratio: 3 / 4;
	object-fit: cover;
	border-radius: 16px;
	box-shadow: 12px 12px 0 var(--yellow-soft);
}
.profile .name {
	margin: 30px 0 2px 0;
	font-size: 1.75em;
	color: var(--ink);
}
.container .profile .bio {
	margin: 0 0 14px 0;
	color: var(--muted);
}
.profileLinks {
	list-style: none;
	margin: 0;
	padding: 0;
}
.profileLinks li {
	margin: 7px 0;
}
.profileLinks a {
	color: var(--text);
}
.profileLinks a:hover {
	color: var(--brown);
	text-decoration: none;
}
.profileLinks i {
	width: 20px;
	margin-right: 8px;
	text-align: center;
	color: var(--brown);
}
.heroMain > section + section {
	margin-top: 40px;
}

/* Research Interests */
.riCard {
	overflow: hidden;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 14px;
}
.riRow {
	display: grid;
	grid-template-columns: 64px minmax(0, 1fr);
}
.riRow + .riRow {
	border-top: 1px solid var(--line);
}
.riBlock {
	display: flex;
	justify-content: center;
	padding-top: 16px;
	background: var(--c-soft);
}
.riBlock .num {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	font-size: 0.9em;
	font-weight: bold;
	color: var(--c-on);
	background: var(--c);
}
.riBody {
	padding: 16px 22px 12px 22px;
}
.container .riTopic {
	margin: 0;
	font-size: 1.08em;
	font-weight: bold;
	color: var(--ink);
}
.container .riQuestion {
	margin: 2px 0 8px 0;
	font-style: italic;
	color: var(--muted);
}
.riWorks {
	list-style: none;
	margin: 0;
	padding: 0;
}
.riWorks li {
	position: relative;
	margin: 6px 0;
	padding-left: 18px;
}
.riWorks li::before {
	content: "";
	position: absolute;
	left: 2px;
	top: 0.62em;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--c);
}
.riWorks a {
	font-weight: bold;
}
.riWorks .venue {
	color: var(--muted);
}

/* News */
.newsBox {
	padding: 6px 8px 6px 22px;
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 14px;
}
.newsList {
	list-style: none;
	margin: 0;
	padding: 0 14px 0 0;
	max-height: 330px;
	overflow-y: auto;
	scrollbar-width: thin;
	scrollbar-color: var(--line) transparent;
}
.newsList li {
	display: grid;
	grid-template-columns: 96px minmax(0, 1fr);
	gap: 14px;
	padding: 9px 0;
	border-bottom: 1px dashed var(--line);
}
.newsList li:last-child {
	border-bottom: none;
}
.newsList .date {
	justify-self: start;
	align-self: start;
	margin-top: 2px;
	padding: 1px 10px;
	border-radius: 999px;
	font-size: 0.85em;
	font-weight: bold;
	white-space: nowrap;
	color: var(--brown);
	background: var(--yellow-soft);
}
.newsList a {
	font-weight: bold;
}
.newsList b {
	color: var(--ink);
}
.newsList .logo {
	height: 14px;
	margin-right: 4px;
	vertical-align: -2px;
}

/* Publications */
.pubGroup {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 18px;
	margin: 52px 0 8px 0;
	font-size: 1.3em;
	font-weight: bold;
	text-align: center;
	color: var(--c-deep);
}
.pubGroupWrap:first-of-type .pubGroup {
	margin-top: 10px;
}
.pubGroup::before,
.pubGroup::after {
	content: "";
	flex: 1 1 0;
	min-width: 40px;
	height: 2px;
	border-radius: 2px;
	background: var(--c);
}
.paper {
	display: flex;
	align-items: flex-start;
	gap: 34px;
	padding: 28px 0;
	border-bottom: 1px solid var(--line);
}
.pubGroupWrap .paper:last-child {
	border-bottom: none;
}
.paperImg {
	flex: 0 0 320px;
}
.paperImg img {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: contain;
	background: #ffffff;
	border: 1px solid var(--line);
	border-radius: 10px;
}
.paperText {
	flex: 1;
	min-width: 0;
}
.paperTitle {
	margin: 0 0 8px 0;
	font-size: 1.1em;
	line-height: 1.4;
	color: var(--ink);
}
.container .paperAuthors {
	margin: 0 0 14px 0;
	font-size: 0.95em;
	color: var(--muted);
}
.paperAuthors b {
	color: var(--ink);
	text-decoration: underline;
	text-underline-offset: 2px;
}
.paperLinks a {
	display: inline-block;
	margin: 0 8px 6px 0;
	padding: 3px 14px;
	border: 1.5px solid var(--c);
	border-radius: 999px;
	font-size: 0.85em;
	font-weight: bold;
	color: var(--ink);
}
.paperLinks a:hover {
	text-decoration: none;
	color: var(--c-on);
	background: var(--c);
}
.container .paperVenue {
	display: inline-block;
	margin: 6px 0 0 0;
	padding: 3px 14px;
	border-radius: 999px;
	font-size: 0.9em;
	font-weight: bold;
	color: var(--c-deep);
	background: var(--c-soft);
}

/* Education & Internship */
.entryList {
	background: var(--card);
	border: 1px solid var(--line);
	border-radius: 14px;
}
.entry {
	display: grid;
	grid-template-columns: 128px minmax(0, 1fr);
	gap: 26px;
	align-items: center;
	padding: 20px 26px;
}
.entry + .entry {
	border-top: 1px solid var(--line);
}
.entryLogo {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 128px;
	height: 72px;
	padding: 6px 10px;
	background: #ffffff;
	border: 1px solid var(--line);
	border-radius: 10px;
}
.entryLogo img {
	display: block;
	max-width: 100%;
	max-height: 100%;
	object-fit: contain;
}
.entryHead {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: 4px 14px;
}
.entryOrg {
	margin: 0;
	font-size: 1.1em;
	color: var(--ink);
}
.entryDate {
	padding: 1px 12px;
	border-radius: 999px;
	font-size: 0.85em;
	font-weight: bold;
	white-space: nowrap;
	color: var(--c-deep);
	background: var(--c-soft);
}
.container .entryRole {
	margin: 4px 0 2px 0;
	color: var(--text);
}
.container .entryDetail {
	margin: 2px 0 0 0;
	color: var(--muted);
}
.entryDetail b {
	color: var(--ink);
}

/* Hobby gallery */
.gallery-wrapper {
	position: relative;
	overflow: hidden;
	margin-top: 6px;
	padding: 6px 0;
	-webkit-mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
	mask-image: linear-gradient(to right, transparent, #000 4%, #000 96%, transparent);
}
.gallery-wrapper.hover-left {
	cursor: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Ccircle cx='16' cy='16' r='15' fill='rgba(0,0,0,0.6)'/%3E%3Cpolyline points='19,10 13,16 19,22' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") 16 16, w-resize;
}
.gallery-wrapper.hover-right {
	cursor: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Ccircle cx='16' cy='16' r='15' fill='rgba(0,0,0,0.6)'/%3E%3Cpolyline points='13,10 19,16 13,22' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") 16 16, e-resize;
}
#image-track {
	display: flex;
	gap: 16px;
	width: max-content;
	user-select: none;
	will-change: transform;
}
#image-track > .image {
	display: block;
	flex-shrink: 0;
	width: clamp(240px, 32vmin, 330px);
	height: clamp(330px, 45vmin, 450px);
	object-fit: cover;
	border-radius: 12px;
}

/* Footer */
footer {
	margin-top: 60px;
}

/* Tablet and phone */
@media (max-width: 900px) {
	.masthead .brand {
		display: none;
	}
	.masthead .inner {
		padding: 8px 12px;
	}
	.masthead nav {
		flex: 1 1 auto;
		min-width: 0;
		overflow-x: auto;
		white-space: nowrap;
		text-align: center;
		scrollbar-width: none;
	}
	.masthead nav::-webkit-scrollbar {
		display: none;
	}
	.masthead nav a {
		display: inline-block;
		margin: 0 8px;
		padding: 4px 0 3px 0;
		font-size: 0.9em;
	}
	.container {
		padding: 0 20px;
	}
	.container > section {
		margin-top: 44px;
	}
	.hero {
		grid-template-columns: minmax(0, 1fr);
		gap: 36px;
		padding-top: 28px;
	}
	.profile {
		display: grid;
		grid-template-columns: 180px minmax(0, 1fr);
		gap: 26px;
		align-items: center;
	}
	.avatar {
		box-shadow: 8px 8px 0 var(--yellow-soft);
	}
	.profile .name {
		margin-top: 0;
	}
	.pubGroup {
		margin-top: 40px;
		font-size: 1.15em;
	}
	.paper {
		flex-direction: column;
		gap: 18px;
		padding: 22px 0;
	}
	.paperImg {
		flex: none;
		width: 100%;
		max-width: 440px;
	}
	.entry {
		grid-template-columns: 88px minmax(0, 1fr);
		gap: 16px;
		padding: 16px 18px;
	}
	.entryLogo {
		width: 88px;
		height: 50px;
		padding: 4px 6px;
	}
}

/* Phone */
@media (max-width: 560px) {
	.container {
		padding: 0 16px;
	}
	.profile {
		grid-template-columns: 120px minmax(0, 1fr);
		gap: 18px;
	}
	.profile .name {
		font-size: 1.5em;
	}
	.riRow {
		grid-template-columns: 44px minmax(0, 1fr);
	}
	.riBlock {
		padding-top: 14px;
	}
	.riBlock .num {
		width: 28px;
		height: 28px;
		font-size: 0.8em;
	}
	.riBody {
		padding: 14px 14px 10px 14px;
	}
	.newsBox {
		padding: 6px 6px 6px 14px;
	}
	.newsList li {
		grid-template-columns: minmax(0, 1fr);
		gap: 4px;
	}
	.pubGroup {
		gap: 12px;
		font-size: 1.05em;
	}
	.pubGroup::before,
	.pubGroup::after {
		min-width: 20px;
	}
	.entry {
		grid-template-columns: 72px minmax(0, 1fr);
		gap: 14px;
		padding: 14px;
	}
	.entryLogo {
		width: 72px;
		height: 44px;
	}
}