:root {
    --bg: #fff;
    --fg: #0a0a0a;
    --muted: #666;
    --card: #f5f5f5;
    --border: rgba(0, 0, 0, .08);
    --link: #0ea5e9
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b0b0b;
        --fg: #f2f2f2;
        --muted: #a3a3a3;
        --card: #141414;
        --border: rgba(255, 255, 255, .08);
        --link: #38bdf8
    }
}

* {
    box-sizing: border-box
}

html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, "PingFang SC", "Noto Sans CJK SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    line-height: 1.65
}

a {
    color: var(--link);
    text-decoration: none
}

a:hover {
    text-decoration: underline
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px
}

.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg);
    border-bottom: 1px solid var(--border)
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 2px;
    cursor: pointer;
    line-height: 1.2;
}

.brand .title {
    font-weight: 700;
    font-size: 18px
}

.brand .subtitle {
    font-size: 12px;
    color: var(--muted)
}

.header-left,
.header-right {
    display: flex;
    gap: 10px;
    align-items: center
}

.btn {
    appearance: none;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--fg);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: 12px;
    cursor: pointer
}

.btn:hover {
    background: var(--card)
}

.icon-circle {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    border: 2px solid var(--border);
    display: grid;
    place-items: center;
    cursor: pointer
}

.icon-burger {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    border: 2px solid var(--border);
    display: grid;
    place-items: center;
    cursor: pointer;
    position: relative
}

.icon-burger div,
.icon-burger::before,
.icon-burger::after {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--fg);
    border-radius: 1px
}

.icon-burger::before {
    position: absolute;
    top: 10px;
    left: 10px
}

.icon-burger::after {
    position: absolute;
    bottom: 10px;
    left: 10px
}

.drawer {
    position: fixed;
    inset: 64px 0 0 auto;
    right: -100%;
    width: min(420px, 90vw);
    background: var(--bg);
    border-left: 1px solid var(--border);
    transition: right .25s ease;
    z-index: 60;
    overflow: auto
}

.drawer.open {
    right: 0
}

.menu {
    list-style: none;
    margin: 0;
    padding: 18px
}

.menu a {
    display: block;
    padding: 12px 8px;
    border-radius: 8px;
    color: var(--fg)
}

.menu a:hover {
    background: var(--card)
}

.lang-zh .en-only {
    display: none !important
}

.lang-en .zh-only {
    display: none !important
}

.hero {
    padding: 12vh 0 10vh;
    border-bottom: 1px solid var(--border)
}

.hero-title {
    font-weight: 800;
    letter-spacing: .02em;
    margin: 0 0 10px
}

.hero-sub {
    margin: 0;
    color: var(--muted)
}

.hero-title.zh {
    white-space: nowrap;
    word-break: keep-all;
    font-size: clamp(28px, 8vw, 96px)
}

.hero-title.en {
    font-size: clamp(24px, 7.2vw, 72px)
}

.section {
    padding: 56px 0;
    border-bottom: 1px solid var(--border)
}

.section h2 {
    font-size: 24px;
    margin: 0 0 12px
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px
}

@media(min-width:840px) {
    .grid {
        grid-template-columns: 1fr 1fr
    }
}

.footer {
    padding: 36px 0;
    color: var(--muted)
}

.cards-vertical {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px
}

.work-card {
    display: flex;
    gap: 14px;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 12px
}

.work-card img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--border)
}

.gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px
}

.gallery img {
    width: 100%;
    height: auto;
    border-radius: 14px;
    background: #000;
    border: 1px solid var(--border);
    padding: 22px;
    cursor: zoom-in
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 80
}

.lightbox.open {
    display: flex
}

.lightbox img {
    max-width: 92vw;
    max-height: 90vh;
    border-radius: 8px
}

.footer a {
    color: var(--muted)
}