@charset "UTF-8";
/* A formal academic introduction with a circular portrait. */
.hero { position: relative; isolation: isolate; overflow: clip; display: flex; flex-direction: column; min-height: min(1040px, 100svh); padding: 148px 0 24px; background: var(--bg); border-bottom: 1px solid var(--border); }
.hero-atmosphere { position: absolute; z-index: -2; inset: -60px; background: radial-gradient(ellipse at 78% 48%, #d9e7fa, transparent 53%), linear-gradient(115deg, #fbfcfe 18%, #f0f5fc 62%, #e3edfc); pointer-events: none; }
.hero-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 420px; column-gap: 64px; row-gap: 25px; max-width: 1280px; margin-block: auto; }
.hero-identity { grid-column: 1; grid-row: 1; }
.hero-kicker { color: var(--accent); font-size: 1.08rem; font-weight: 550; margin-bottom: 15px; }
.hero h1 { font-size: clamp(3rem, 5.6vw, 4.6rem); line-height: 1.12; font-weight: 700; letter-spacing: -.045em; }
.hero-degree { color: var(--ink); font-size: 1.4rem; font-weight: 550; margin-top: 22px; line-height: 1.5; }
.hero-affiliation { color: var(--muted); font-size: 1.1rem; margin-top: 4px; }
.hero-portrait { position: relative; grid-column: 2; grid-row: 1 / 3; width: 420px; aspect-ratio: 1; align-self: center; }
.portrait-core { position: absolute; inset: 34px; padding: 7px; border: 1px solid rgba(255, 255, 255, .9); border-radius: 50%; background: rgba(255, 255, 255, .85); box-shadow: var(--portrait-shadow-x, 0px) var(--portrait-shadow-y, 12px) 36px rgba(46, 72, 129, .1); }
.portrait-core img { width: 100%; height: 100%; object-fit: cover; object-position: center 28%; border-radius: 50%; background: #fff; }
.portrait-core::after { content: ""; position: absolute; inset: -1px; border: 2px solid transparent; border-radius: inherit; background: radial-gradient(circle at var(--rim-x, 28%) var(--rim-y, 16%), #fff 5%, rgba(255, 255, 255, .06) 64%) border-box; mask: linear-gradient(#fff 0 0) padding-box exclude, linear-gradient(#fff 0 0); pointer-events: none; }
.hero-details { grid-column: 1; grid-row: 2; min-width: 0; }
.hero-summary { color: var(--body); font-size: 1.1rem; line-height: 1.8; max-width: 665px; }
.hero-interests { margin-top: 23px; }
.hero-interests > p { font-size: .92rem; font-weight: 600; color: var(--ink); margin-bottom: 5px; }
.hero-interests ul { display: flex; flex-wrap: wrap; gap: 5px 20px; font-size: .94rem; line-height: 1.75; color: var(--muted); }
.hero-interests li { display: inline-flex; align-items: baseline; gap: 8px; }
.hero-interests li::before { content: ""; width: 3px; height: 3px; flex-shrink: 0; border-radius: 50%; background: currentColor; align-self: center; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 29px; }
.hero-actions .button { min-height: 51px; border-radius: 8px; padding: 11px 18px; font-size: .95rem; font-weight: 550; }
.hero-actions .button-secondary { background: rgba(255, 255, 255, .8); }
.cv-chinese { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; padding: 0 7px; border: 0; background: transparent; font-size: .92rem; color: var(--muted); }
.cv-chinese:hover { color: var(--accent); text-decoration: underline; }
.cv-chinese .icon { width: 16px; height: 16px; flex-basis: 16px; }
.cv-update-status { color: var(--accent); font-size: .88rem; line-height: 1.6; }
.cv-update-status:not(:empty) { margin-top: 10px; }
.hero-social { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 25px; margin-top: 16px; }
.hero-social a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--muted); font-size: .94rem; }
.hero-social a:hover { color: var(--accent); text-decoration: underline; }
.hero-social .icon { width: 18px; height: 18px; flex-basis: 18px; }
.hero-footer { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 20px; max-width: 1280px; margin-top: 42px; }
.hero-scroll { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--muted); font-size: .85rem; }
.hero-scroll .icon { width: 16px; height: 16px; flex-basis: 16px; transform: rotate(90deg); }
.hero-scroll:hover { color: var(--accent); }
[data-theme="dark"] .hero-atmosphere { background: radial-gradient(ellipse at 78% 48%, #20365c, transparent 53%), linear-gradient(115deg, #101724 18%, #152237 70%, #1c2d48); }
[data-theme="dark"] .portrait-core { border-color: #8297b7; background: #c4d2e9; box-shadow: var(--portrait-shadow-x, 0px) var(--portrait-shadow-y, 12px) 36px rgba(0, 0, 0, .24); }
[data-theme="dark"] .hero-actions .button-secondary { background: rgba(29, 39, 56, .8); }
@media (max-width: 1100px) {
    .hero-layout { grid-template-columns: minmax(0, 1fr) 340px; column-gap: 34px; }
    .hero-portrait { width: 340px; }
    .portrait-core { inset: 30px; padding: 6px; }
    .hero h1 { font-size: 3.3rem; }
}
@media (max-width: 992px) {
    .hero { padding-top: 133px; }
    .hero-layout { grid-template-columns: minmax(0, 1fr) 320px; column-gap: 28px; }
    .hero-portrait { width: 320px; }
    .hero h1 { font-size: clamp(2.7rem, 5.2vw, 3.3rem); }
    .hero-summary { font-size: 1.05rem; }
    .hero-actions { gap: 10px; }
    .hero-actions .button { padding-inline: 14px; }
    .cv-chinese { padding-inline: 0; }
}
@media (min-width: 641px) and (max-width: 820px) {
    .hero-portrait { grid-row: 1; }
    .hero-identity { align-self: center; }
    .hero-details { grid-column: 1 / -1; }
    .hero-layout { row-gap: 26px; }
    .hero h1 { font-size: 2.8rem; }
}
@media (max-width: 640px) {
    .hero { min-height: 0; padding-top: 117px; padding-bottom: 20px; }
    .hero-layout { grid-template-columns: minmax(0, 1fr); row-gap: 23px; }
    .hero-identity { grid-row: 1; text-align: center; }
    .hero-kicker { font-size: .95rem; margin-bottom: 12px; }
    .hero h1 { font-size: clamp(2rem, 8.8vw, 3rem); line-height: 1.12; letter-spacing: -.035em; }
    .hero-degree { font-size: 1.23rem; margin-top: 16px; }
    .hero-affiliation { font-size: 1rem; line-height: 1.6; margin-top: 3px; }
    .hero-portrait { grid-column: 1; grid-row: 2; width: 248px; justify-self: center; }
    .portrait-core { inset: 30px; padding: 5px; }
    .hero-details { grid-column: 1; grid-row: 3; }
    .hero-summary { font-size: 1rem; line-height: 1.8; }
    .hero-interests { margin-top: 20px; }
    .hero-interests > p { font-size: .95rem; margin-bottom: 7px; }
    .hero-interests ul { gap: 5px 17px; font-size: .93rem; }
    .hero-actions { margin-top: 23px; gap: 10px 12px; }
    .hero-actions .button { flex: 0 1 auto; font-size: .94rem; padding-inline: 14px; }
    .hero-actions .button-language { font-size: .72rem; }
    .cv-chinese { font-size: .92rem; }
    .hero-social { margin-top: 11px; gap: 8px 24px; }
    .hero-social a { font-size: .94rem; }
    .hero-footer { gap: 12px; margin-top: 22px; }
    .hero-scroll { font-size: .8rem; gap: 6px; }
}
@media (max-width: 360px) {
    .hero-actions .button { padding-inline: 10px; gap: 6px; font-size: .88rem; }
    .hero-actions .button-language { display: none; }
}
@media print {
    .hero { min-height: 0; padding: 20px 0; }
    .hero-layout { grid-template-columns: 1fr 180px; column-gap: 30px; }
    .hero h1 { font-size: 40px; }
    .hero-portrait { width: 180px; }
    .portrait-core { inset: 10px; padding: 2px; box-shadow: none; }
    .hero-social, .hero-footer, .hero-atmosphere { display: none; }
}