/* 徐鑫鹏的光影手记 · 个人摄影集 */
:root {
    --ink: #1c1916;
    --ink-soft: #5c564e;
    --paper: #f6f1e8;
    --paper-2: #efe8db;
    --line: rgba(28, 25, 22, 0.12);
    --accent: #8a5a3b;
    --white: #fffcf7;
}

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

html, body {
    background: var(--paper);
    color: var(--ink);
    font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    min-height: 100%;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.pf-wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

.pf-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 0 22px;
    border-bottom: 1px solid var(--line);
}

.pf-brand {
    font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
    font-size: 22px;
    letter-spacing: 0.12em;
    font-weight: 600;
}

.pf-back {
    display: inline-block;
    margin-top: 10px;
    font-size: 13px;
    letter-spacing: 0.08em;
    color: var(--accent);
}

.pf-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 14px;
    letter-spacing: 0.08em;
    color: var(--ink-soft);
}

.pf-nav a:hover,
.pf-nav a.is-on {
    color: var(--ink);
}

.pf-hero {
    padding: 72px 0 48px;
}

.pf-hero h1 {
    font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.35;
}

.pf-hero p {
    margin-top: 18px;
    max-width: 36em;
    color: var(--ink-soft);
    font-size: 16px;
}

.pf-section {
    padding: 28px 0 56px;
}

.pf-kicker {
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.pf-section h2 {
    font-family: "Songti SC", "Noto Serif SC", "STSong", serif;
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 22px;
}

.pf-about {
    max-width: 42em;
    font-size: 16px;
    color: var(--ink);
    white-space: pre-line;
}

.pf-meta {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 14px;
}

.pf-meta dt {
    color: var(--accent);
    letter-spacing: 0.12em;
    font-size: 12px;
    margin-bottom: 4px;
}

.pf-meta dd { margin-bottom: 14px; }

.pf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}

.pf-grid.works {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.pf-card,
.pf-shot {
    background: var(--paper-2);
    overflow: hidden;
}

a.pf-card { cursor: pointer; color: inherit; }
.pf-shot { cursor: zoom-in; }

.pf-more {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 3 / 4;
    background: var(--paper-2);
    color: var(--ink);
    letter-spacing: 0.18em;
    font-size: 14px;
    text-decoration: none;
    border: 1px solid var(--line);
}

.pf-more:hover {
    background: var(--white);
    color: var(--accent);
}

.pf-card img,
.pf-shot img {
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pf-card:hover img,
.pf-shot:hover img {
    transform: scale(1.03);
}

.pf-card figcaption {
    padding: 12px 4px 0;
    font-size: 14px;
}

.pf-card small {
    display: block;
    color: var(--ink-soft);
    font-size: 12px;
    margin-top: 4px;
}

.pf-empty {
    color: var(--ink-soft);
    padding: 40px 0;
}

.pf-contact {
    display: grid;
    grid-template-columns: minmax(180px, 240px) 1fr;
    gap: 36px;
    align-items: start;
    max-width: 720px;
}

.pf-qr {
    background: var(--white);
    padding: 12px;
    border: 1px solid var(--line);
}

.pf-qr img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
}

.pf-contact dl dt {
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--accent);
}

.pf-contact dl dd {
    margin: 4px 0 18px;
    font-size: 16px;
}

.pf-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 40px;
    color: var(--ink-soft);
    font-size: 12px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px 20px;
}

.pf-beian {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
}

.pf-beian-gongan {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.pf-beian-gongan img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.pf-footer a:hover { color: var(--ink); }

.pf-studio-link {
    margin-left: 8px;
    color: rgba(28, 25, 22, 0.22);
    font-size: 11px;
    letter-spacing: 0.04em;
}

.pf-footer a.pf-studio-link:hover {
    color: rgba(28, 25, 22, 0.32);
}

.pf-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(12, 10, 8, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 80;
    padding: 24px;
    cursor: zoom-out;
}

.pf-lightbox[hidden] { display: none; }

.pf-lightbox img {
    max-width: min(92vw, 1400px);
    max-height: 92vh;
    object-fit: contain;
}

@media (max-width: 720px) {
    .pf-header { flex-direction: column; gap: 14px; }
    .pf-hero { padding: 44px 0 28px; }
    .pf-contact { grid-template-columns: 1fr; }
}

.pf-resume-head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: end;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
}

.pf-resume-head h1 { margin: 0; }
.pf-resume-role { color: var(--accent); letter-spacing: 0.12em; margin-top: 8px; }
.pf-resume-meta { color: var(--ink-soft); font-size: 14px; text-align: right; }

.pf-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.pf-chips span {
    border: 1px solid var(--line);
    padding: 4px 10px;
    font-size: 13px;
    color: var(--ink-soft);
}

.pf-timeline {
    list-style: none;
    border-left: 1px solid var(--line);
    margin: 8px 0 0 8px;
    padding: 0 0 8px 22px;
}

.pf-timeline li {
    position: relative;
    margin-bottom: 28px;
}

.pf-timeline li::before {
    content: "";
    position: absolute;
    left: -27px;
    top: 8px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--accent);
}

.pf-timeline .year {
    font-size: 12px;
    letter-spacing: 0.14em;
    color: var(--accent);
}

.pf-timeline h3 { font-size: 18px; font-weight: 600; margin: 4px 0; }
.pf-timeline .org { color: var(--ink-soft); font-size: 14px; margin-bottom: 6px; }

.pf-featured {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    margin-top: 16px;
    overflow-x: auto;
}

.pf-featured-card {
    flex: 1 1 0;
    min-width: 140px;
    color: inherit;
}

.pf-featured-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--paper-2);
}

.pf-featured-card span {
    display: block;
    margin-top: 8px;
    font-size: 13px;
}

.pf-project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 22px;
}

.pf-project-card {
    display: block;
    color: inherit;
}

.pf-project-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--paper-2);
}

.pf-project-card h3 {
    margin-top: 10px;
    font-size: 16px;
    font-weight: 600;
}

.pf-project-card .meta {
    color: var(--ink-soft);
    font-size: 12px;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

.pf-project-body {
    max-width: 820px;
}

.pf-project-body .lead {
    white-space: pre-line;
    color: var(--ink-soft);
    margin: 0 0 28px;
}

.pf-project-stack {
    display: grid;
    gap: 16px;
}

.pf-project-stack img {
    width: 100%;
    height: auto;
    cursor: zoom-in;
    background: var(--paper-2);
}

@media (max-width: 720px) {
    .pf-resume-head { grid-template-columns: 1fr; }
    .pf-resume-meta { text-align: left; }
}