/* ============================================================ Guangyu Zhao — academic homepage Clean, neutral, content-first. ============================================================ */ :root { --bg: #fbfaf7; --surface: #ffffff; --text: #1f2328; --muted: #5b6470; --subtle: #8a93a0; --line: #e6e3dc; --accent: #a23a2a; /* PKU-ish red, but desaturated */ --accent-50: #fcefec; --link: #2e5fa1; --link-hov: #1c3f72; --radius-sm: 6px; --radius: 10px; --radius-lg: 14px; --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; --font-serif: 'Newsreader', 'Source Serif 4', 'Iowan Old Style', 'Apple Garamond', Georgia, serif; } /* Dark palette — applied either via system preference (when no explicit override) or via [data-theme="dark"] override on . */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #14161a; --surface: #1b1e23; --text: #e8eaed; --muted: #a4abb6; --subtle: #707683; --line: #2a2e35; --accent: #d77163; --accent-50: #2d1d1a; --link: #8ab4f8; --link-hov: #b9d0ff; } } :root[data-theme="dark"] { --bg: #14161a; --surface: #1b1e23; --text: #e8eaed; --muted: #a4abb6; --subtle: #707683; --line: #2a2e35; --accent: #d77163; --accent-50: #2d1d1a; --link: #8ab4f8; --link-hov: #b9d0ff; } /* ---------- reset / base ---------- */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } a { color: var(--link); text-decoration: none; transition: color .15s ease; } a:hover { color: var(--link-hov); text-decoration: underline; } img { max-width: 100%; height: auto; display: block; } /* ---------- layout ---------- */ .container { max-width: 920px; margin: 0 auto; padding: 56px 28px 80px; } .section { margin-top: 56px; } .section h2 { font-family: var(--font-serif); font-weight: 600; font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 20px; padding-bottom: 8px; border-bottom: 1px solid var(--line); } .section__hint { margin: -10px 0 18px; color: var(--subtle); font-size: 0.85rem; } .nowrap { white-space: nowrap; } /* ---------- hero ---------- */ .hero { display: grid; grid-template-columns: 200px 1fr; gap: 36px; align-items: start; } .hero__photo img { width: 200px; height: 200px; object-fit: cover; border-radius: 50%; border: 3px solid var(--surface); box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08), 0 0 0 1px var(--line); } .hero__text h1 { font-family: var(--font-serif); font-weight: 600; font-size: 2.4rem; letter-spacing: -0.02em; margin: 0 0 6px; line-height: 1.15; } .hero__cn { font-weight: 400; color: var(--muted); margin-left: 8px; font-size: 0.7em; } .hero__role { margin: 0 0 16px; color: var(--muted); font-size: 1rem; line-height: 1.55; } .hero__bio { margin: 0 0 18px; font-size: 1rem; line-height: 1.75; color: var(--text); } .hero__bio strong { font-weight: 600; color: var(--text); } .hero__links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; } .hero__links a { display: inline-flex; align-items: center; gap: 7px; padding: 7px 14px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; color: var(--text); font-size: 0.875rem; font-weight: 500; transition: transform .12s ease, border-color .12s ease, background .12s ease; } .hero__links a:hover { transform: translateY(-1px); border-color: var(--accent); background: var(--accent-50); color: var(--accent); text-decoration: none; } .hero__links svg { width: 16px; height: 16px; flex-shrink: 0; } /* ---------- news ---------- */ .news { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; } .news li { display: grid; grid-template-columns: 96px 1fr; gap: 16px; align-items: baseline; font-size: 0.95rem; } .news__date { color: var(--accent); font-weight: 600; font-size: 0.85rem; letter-spacing: 0.02em; text-transform: uppercase; } .news__body em { font-style: italic; color: var(--text); } .news__body strong { font-weight: 600; } /* ---------- publications ---------- */ .pubs { list-style: none; margin: 0; padding: 0; counter-reset: pub; display: grid; gap: 24px; } .pub { display: grid; grid-template-columns: 260px 1fr; gap: 24px; padding: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); align-items: stretch; transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease; } .pub:hover { border-color: var(--accent); box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05); } .pub__thumb { position: relative; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); overflow: hidden; /* Belt-and-suspenders: enforces rounded clipping even on transformed children (Safari/WebKit overflow:hidden + border-radius edge case). */ clip-path: inset(0 round var(--radius-sm)); background: var(--surface); border: none; /* Height tracks the publication entry: top of image aligns with the title's top; bottom aligns with the bottom of the links row. */ height: 100%; min-height: 100%; } /* Image always fills container width (no horizontal crop). Vertically: - if the scaled image is taller than the box, the middle slice is shown (flex align-items:center overflows top and bottom equally); - if shorter, it's centered vertically inside the box. */ .pub__thumb img { width: 100%; height: auto; flex-shrink: 0; /* Rounds the image itself — important for short images that don't fill the container vertically, where the container's clip mask wouldn't show. */ border-radius: var(--radius-sm); transition: transform .25s ease; } .pub__thumb:hover img { transform: scale(1.03); } .pub__body { min-width: 0; } .pub__title { margin: 0 0 8px; font-family: var(--font-serif); font-size: 1.12rem; font-weight: 600; line-height: 1.35; letter-spacing: -0.005em; } .pub__title a { color: var(--text); } .pub__title a:hover { color: var(--accent); text-decoration: none; } .pub__authors { margin: 0 0 10px; font-size: 0.92rem; color: var(--muted); line-height: 1.55; } .pub__authors strong { color: var(--text); font-weight: 600; } .pub__venue { margin: 0 0 10px; display: flex; flex-wrap: wrap; gap: 6px; } .venue { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.01em; border: 1px solid transparent; } .venue--accepted { background: var(--accent-50); color: var(--accent); border-color: var(--accent); } .venue--review { background: transparent; color: var(--muted); border-color: var(--line); } .venue--award { background: #fff8e1; color: #8a6d2a; border-color: #f0e2b4; } @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .venue--award { background: #2d2616; color: #e8c980; border-color: #4a3e22; } } :root[data-theme="dark"] .venue--award { background: #2d2616; color: #e8c980; border-color: #4a3e22; } .pub__links { margin: 0; font-size: 0.88rem; color: var(--muted); } .pub__links a { color: var(--link); font-weight: 500; } .pub__links .dot { margin: 0 4px; color: var(--subtle); } /* ---------- entry cards (experience / education) ---------- */ .entry-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; } .entry-card { display: grid; grid-template-columns: 140px 1fr; gap: 22px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); align-items: stretch; transition: border-color .15s ease, box-shadow .15s ease; } .entry-card:hover { border-color: var(--accent); box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05); } .entry-card__logo { position: relative; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--surface); height: 100%; min-height: 0; } /* Image fills width and is vertically centered (same behavior as paper thumbnails, but no rounded corners). */ .entry-card__logo img { width: 100%; height: auto; flex-shrink: 0; display: block; } .entry-card__body { min-width: 0; display: flex; flex-direction: column; justify-content: center; } .entry-card__date { margin: 0 0 4px; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.02em; color: var(--muted); } .entry-card__title { margin: 0 0 4px; font-family: var(--font-serif); font-size: 1.08rem; font-weight: 600; line-height: 1.35; letter-spacing: -0.005em; color: var(--text); } .entry-card__where { margin: 0; font-size: 0.92rem; color: var(--muted); } /* ---------- timeline (talks/experience/awards/education) ---------- */ .timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; } .timeline li { display: grid; grid-template-columns: 200px 1fr; gap: 20px; align-items: baseline; padding-bottom: 14px; border-bottom: 1px dashed var(--line); font-size: 0.96rem; } .timeline li:last-child { border-bottom: none; padding-bottom: 0; } .timeline__date { color: var(--muted); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.02em; } .timeline__body strong { color: var(--text); font-weight: 600; } .timeline__where { color: var(--muted); } /* ---------- footer ---------- */ .footer { margin-top: 72px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.82rem; color: var(--subtle); text-align: center; } /* ---------- theme toggle (sliding pill switch) ---------- */ .theme-toggle { position: fixed; top: 20px; right: 20px; z-index: 50; width: 60px; height: 30px; padding: 0; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); cursor: pointer; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06); transition: border-color .15s ease, background .15s ease; -webkit-tap-highlight-color: transparent; } .theme-toggle:hover { border-color: var(--accent); } .theme-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; } .theme-toggle__knob { position: absolute; top: 2px; left: 2px; width: 24px; height: 24px; border-radius: 50%; background: linear-gradient(135deg, #ffd86b 0%, #ff9d3a 100%); box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18); transition: left .28s cubic-bezier(.4, .2, .2, 1), background .25s ease; z-index: 1; } .theme-toggle__icon { position: absolute; top: 50%; width: 14px; height: 14px; transform: translateY(-50%); pointer-events: none; z-index: 2; transition: color .2s ease, opacity .2s ease; } .theme-toggle__icon--sun { left: 8px; } .theme-toggle__icon--moon { right: 8px; } /* Default (light) — knob on the left, sun bright, moon dim */ .theme-toggle__icon--sun { color: #6b3f12; opacity: 1; } .theme-toggle__icon--moon { color: var(--subtle); opacity: .55; } /* Explicit dark — knob slides right, moon bright, sun dim */ :root[data-theme="dark"] .theme-toggle__knob { left: calc(100% - 26px); background: linear-gradient(135deg, #d3d8e5 0%, #6a7186 100%); } :root[data-theme="dark"] .theme-toggle__icon--sun { color: var(--subtle); opacity: .55; } :root[data-theme="dark"] .theme-toggle__icon--moon { color: #1e2230; opacity: 1; } /* OS dark with no explicit override */ @media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .theme-toggle__knob { left: calc(100% - 26px); background: linear-gradient(135deg, #d3d8e5 0%, #6a7186 100%); } :root:not([data-theme="light"]) .theme-toggle__icon--sun { color: var(--subtle); opacity: .55; } :root:not([data-theme="light"]) .theme-toggle__icon--moon { color: #1e2230; opacity: 1; } } /* ---------- responsive ---------- */ @media (max-width: 760px) { .container { padding: 36px 20px 60px; } .hero { grid-template-columns: 1fr; gap: 24px; text-align: center; } .hero__photo { justify-self: center; } .hero__photo img { width: 160px; height: 160px; } .hero__text h1 { font-size: 2rem; } .hero__bio { text-align: left; } .hero__links { justify-content: center; } .pub { grid-template-columns: 1fr; gap: 14px; padding: 16px; } .pub__thumb { aspect-ratio: 16 / 9; } .entry-card { grid-template-columns: 100px 1fr; gap: 16px; padding: 14px; } .news li, .timeline li { grid-template-columns: 1fr; gap: 4px; } .news__date, .timeline__date { font-size: 0.78rem; } .section h2 { font-size: 1.4rem; } } @media (max-width: 420px) { .hero__text h1 { font-size: 1.7rem; } .hero__cn { display: block; margin-left: 0; margin-top: 4px; font-size: 1rem; } }