@charset "UTF-8";

/* 版式：暖白纸面、暖黄点缀、暖炭灰文字（不用纯黑）、陶土色只做小面积强调。
   英文单词与大号装饰数字用 Instrument Serif 斜体，其余中英文统一用系统黑体。
   信息架构参照 Kenji Lambert：带小图的大标题首页 → 精选作品块（每块一条画面带）→ 作品索引 / 实验室 / 关于，
   各分区页顶部是「作品 * Work *」循环大字。 */
@font-face { font-family: "Instrument Serif"; src: url("assets/fonts/instrument-serif.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Instrument Serif"; src: url("assets/fonts/instrument-serif-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }

/* 布局：单栏长页，内容靠左；精选作品与分区大字横贯全宽 */
:root {
  --bg: #faf9f5;          /* 暖白 */
  --bg-2: #f2f0e8;        /* 深一号的暖白：卡片、悬停 */
  --bg-3: #e9e6db;
  --warm: #f1e6cc;        /* 暖黄：页脚、开场、荧光笔 */
  --warm-2: #e8d6ad;
  --ink: #2b2a27;         /* 暖炭灰正文，不用纯黑 */
  --ink-2: #5f5d57;
  --muted: #8b8980;
  --rule: #e2ded2;
  --accent: #c8643f;      /* 陶土色：星号、悬停、小强调 */
  --live: #5d8a4c;
  --building: #c8962f;
  /* 字体规则：全站一套系统黑体（Mac 苹方 + SF，Windows 雅黑 + Segoe），中英混排天然统一；
     Instrument Serif 斜体只用于单独出现的英文词和大号装饰数字，其中若有中文回落到黑体，不出宋体。 */
  --f-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --f-serif: "Instrument Serif", var(--f-sans);
  --pad: clamp(20px, 4vw, 72px);
  --gl: max(var(--pad), env(safe-area-inset-left, 0px));
  --gr: max(var(--pad), env(safe-area-inset-right, 0px));
  --ease: cubic-bezier(.16, 1, .3, 1);
  --radius: 18px;
  --header-h: 72px;
  color-scheme: light;
}

/* 封面色调（每个项目在数据里选一个 tone） */
.tone-oat { --t-bg: #e3dacc; --t-fg: #2b2a27; }
.tone-manilla { --t-bg: #ebdbbc; --t-fg: #2b2a27; }
.tone-kraft { --t-bg: #d4a27f; --t-fg: #2b2a27; }
.tone-clay { --t-bg: #d97757; --t-fg: #fbf7f0; }
.tone-olive { --t-bg: #788c5d; --t-fg: #fbf7f0; }
.tone-sky { --t-bg: #8fb3d6; --t-fg: #1c2a3a; }
.tone-fig { --t-bg: #c46686; --t-fg: #fbf7f0; }
.tone-cactus { --t-bg: #bcd1ca; --t-fg: #2b2a27; }
.tone-heather { --t-bg: #cbcadb; --t-fg: #2b2a27; }

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--f-sans); font-size: 15px; line-height: 1.65; overflow-x: clip; -webkit-font-smoothing: antialiased; font-synthesis: none; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--bg); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
button:disabled { cursor: default; }
a, button { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
#main:focus, h1:focus, h2:focus { outline: none; }
::selection { background: var(--warm-2); color: var(--ink); }
img { display: block; max-width: 100%; }
p, h1, h2, h3, figure, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { font-weight: inherit; }
mark { background: none; color: inherit; }
em { font-style: normal; }

.wrap { padding-left: var(--gl); padding-right: var(--gr); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; z-index: 120; left: var(--gl); top: -80px; padding: 12px 16px; background: var(--ink); color: var(--bg); border-radius: 10px; }
.skip-link:focus { top: calc(env(safe-area-inset-top, 0px) + 12px); }
.boot { padding: 90px var(--gr) 90px var(--gl); color: var(--muted); }
.eyebrow { font-size: 12px; letter-spacing: .06em; color: var(--muted); }
.ast { font-family: var(--f-serif); color: var(--accent); font-style: normal; }
.pending, .small-note, .draft-note { font-size: 12px; color: var(--muted); }
.draft-mark { font-size: 11px; color: var(--muted); border: 1px dashed var(--muted); border-radius: 999px; padding: 1px 8px; }

/* 文字翻滚 */
.roll { display: inline-grid; overflow: hidden; vertical-align: top; line-height: inherit; }
.roll > span { grid-area: 1 / 1; transition: transform .6s var(--ease); }
.roll > span:last-child { transform: translateY(105%); color: var(--accent); }
@media (hover: hover) {
  a:hover .roll > span:first-child { transform: translateY(-105%); }
  a:hover .roll > span:last-child { transform: none; }
}

/* 逐字升起 */
.split { display: inline; }
.ch-mask { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .12em; margin-bottom: -.12em; }
.ch, .ch-space { display: inline-block; white-space: pre; }
.motion-ok .ch { animation: ch-up 1s var(--ease) both; animation-delay: calc(var(--i) * 32ms + 140ms); }
@keyframes ch-up { from { transform: translateY(110%); } }

/* ---------- 页头 ---------- */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: color-mix(in srgb, var(--bg) 90%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); transition: transform .6s var(--ease); view-transition-name: site-header; }
.site-header.is-hidden { transform: translateY(calc(-100% - env(safe-area-inset-top, 0px))); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.wordmark { display: flex; align-items: baseline; gap: 10px; }
.wm-en { font-weight: 600; font-size: 15px; letter-spacing: .02em; white-space: nowrap; }
.wm-zh { font-size: 13px; color: var(--muted); white-space: nowrap; }
.nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 44px); }
.nav-link { display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 0; font-size: 15px; line-height: 1.3; position: relative; }
.nav-en { font-family: var(--f-serif); font-style: italic; font-size: 16px; color: var(--muted); transition: color .3s; }
.nav-link[aria-current="page"] .nav-en, .nav-link:hover .nav-en { color: var(--accent); }
.nav-link[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 1.5px; background: var(--ink); }

/* ---------- 循环大字 ---------- */
.mq { display: block; overflow: hidden; user-select: none; -webkit-user-select: none; }
.mq-track { display: flex; width: max-content; will-change: transform; }
.mq-group { display: flex; align-items: center; flex-shrink: 0; white-space: nowrap; }
.mq-hero .mq-group { font-size: clamp(96px, 17vw, 300px); line-height: 1.02; padding-block: .06em; }
.bw-zh { font-family: var(--f-sans); font-weight: 600; letter-spacing: -.02em; padding-inline: .08em; }
.bw-en { font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -.01em; padding-inline: .08em; }
.mq .ast { padding-inline: .12em; font-size: .9em; transform: translateY(.05em); display: inline-block; }
.page-hero { padding-top: clamp(20px, 3vw, 40px); padding-bottom: clamp(24px, 4vw, 56px); }

/* ---------- 首页 ---------- */
.home-hero { padding-top: clamp(48px, 9vw, 150px); padding-bottom: clamp(28px, 4vw, 56px); }
.hero-line { font-size: clamp(34px, 5.4vw, 92px); font-weight: 500; line-height: 1.28; letter-spacing: -.015em; max-width: 17em; text-wrap: pretty; }
.nowrap { white-space: nowrap; }
.inline-thumb { display: inline-block; vertical-align: -.14em; margin-inline: .06em; transition: transform .6s var(--ease); }
.inline-media { display: block; width: 1.72em; height: 1.08em; border-radius: .2em; overflow: hidden; position: relative; container-type: size; background: var(--bg-3); }
.inline-media img { width: 100%; height: 100%; object-fit: cover; }
.inline-thumb:nth-of-type(odd) { transform: rotate(-3deg); }
.inline-thumb:nth-of-type(even) { transform: rotate(3deg); }
.inline-thumb:hover { transform: rotate(0) scale(1.12); }
.version-note { margin-top: clamp(20px, 3vw, 36px); font-size: 15px; color: var(--muted); }
.motion-ok.is-ready .hero-line .seg { animation: seg-in 1.1s var(--ease) backwards; animation-delay: calc(var(--s) * 110ms + 120ms); }
.motion-ok:not(.is-ready) .hero-line .seg { opacity: 1; }
.motion-ok.is-ready .hero-line .inline-thumb { animation: thumb-in 1s var(--ease) backwards; animation-delay: calc(var(--s) * 110ms + 220ms); }
@keyframes seg-in { from { opacity: 0; filter: blur(10px); } }
@keyframes thumb-in { from { transform: scale(0) rotate(-20deg); } }

.home-bio { padding-bottom: clamp(56px, 8vw, 120px); }
.bio { font-size: clamp(20px, 2.1vw, 32px); line-height: 1.7; color: var(--ink-2); max-width: 32em; text-wrap: pretty; }
.bio strong { color: var(--ink); font-weight: 600; }
.bio em { color: var(--ink); background: linear-gradient(transparent 60%, var(--warm-2) 60%, var(--warm-2) 92%, transparent 92%); padding-inline: .05em; }

.clients { padding-bottom: clamp(48px, 7vw, 100px); }
.clients .eyebrow { margin-bottom: 14px; }
.mq-clients .mq-group { font-size: clamp(22px, 2.6vw, 40px); color: var(--ink-2); padding-block: 6px; }
.client { padding-inline: .5em; }
.mq-clients .ast { font-size: .8em; }

.mq-ticker { border-block: 1px solid var(--rule); }
.mq-ticker .mq-group { font-size: clamp(28px, 4vw, 64px); padding-block: .18em; }
.mq-ticker .mq-group > span:not(.ast) { padding-inline: .2em; }
.mq-ticker .mq-group > span:first-child { font-weight: 600; letter-spacing: -.01em; }

.feature { padding-top: clamp(40px, 6vw, 88px); padding-bottom: clamp(16px, 2vw, 28px); }
.feature + .feature { border-top: 1px solid var(--rule); }
.feature-list { padding-top: clamp(8px, 2vw, 24px); }
.feature-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); align-items: center; }
.feature-tags > span:first-child { color: var(--ink); }
.feature-link { font-size: 14px; display: inline-flex; gap: 6px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--rule); background: var(--bg); transition: background .3s, border-color .3s; }
.feature-link:hover { background: var(--warm); border-color: var(--warm-2); }
.feature-head { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 40px; align-items: end; margin-top: 18px; margin-bottom: clamp(24px, 3vw, 40px); }
.feature-title { font-size: clamp(36px, 5.6vw, 96px); font-weight: 600; line-height: 1.08; letter-spacing: -.02em; }
.feature-meta { display: flex; gap: clamp(18px, 3vw, 48px); font-size: 13px; }
.feature-meta dt { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.feature-meta dd { white-space: nowrap; font-variant-numeric: tabular-nums; }
.feature-desc { grid-column: 1 / -1; font-size: clamp(16px, 1.4vw, 20px); color: var(--ink-2); max-width: 36em; }
.mq-strip { padding-block: 6px; }
.mq-strip .mq-group { gap: 0; }
.strip-slide { width: clamp(260px, 31vw, 520px); aspect-ratio: 4 / 3; margin-right: clamp(12px, 1.4vw, 20px); border-radius: var(--radius); flex-shrink: 0; }
.all-works { padding-top: clamp(40px, 5vw, 72px); }

/* ---------- 封面与画面卡 ---------- */
.media { position: relative; overflow: hidden; background: var(--bg-2); border-radius: var(--radius); max-width: 100%; }
.media .parallax { position: absolute; inset: 0; }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.poster-media { container-type: size; }
.poster { position: absolute; inset: 0; display: grid; grid-template-rows: auto 1fr auto; padding: 7% 7.5%; background: var(--t-bg, var(--bg-3)); color: var(--t-fg, var(--ink)); }
.poster-kicker, .poster-foot { font-size: max(10px, 2.5cqw); letter-spacing: .04em; opacity: .85; }
.poster-headline { align-self: center; font-weight: 600; font-size: min(12.5cqw, 18cqh); line-height: 1.08; letter-spacing: -.01em; }
.poster-foot { align-self: end; }
.poster.is-mini { padding: 10% 11%; grid-template-rows: 1fr; }
.poster.is-mini .poster-kicker, .poster.is-mini .poster-foot { display: none; }
.poster.is-mini .poster-headline { font-size: min(20cqw, 30cqh); }

.card-slide { position: relative; overflow: hidden; container-type: size; background: var(--bg-2); color: var(--ink); white-space: normal; }
.slide-in { position: absolute; inset: 0; display: flex; flex-direction: column; gap: 4cqh; padding: 7cqh 8cqw; }
.slide-label { font-size: max(10px, 2.6cqw); color: var(--muted); letter-spacing: .04em; }
.slide-quote { background: var(--warm); }
.slide-quote p { font-size: min(6.6cqw, 9.5cqh); font-weight: 600; line-height: 1.4; margin-top: auto; }
.slide-decision, .slide-brief { background: var(--t-bg); color: var(--t-fg); }
.slide-decision .slide-label, .slide-brief .slide-label { color: inherit; opacity: .75; }
.slide-q { font-size: min(5cqw, 7cqh); line-height: 1.45; margin-top: auto; opacity: .85; }
.slide-a { font-size: min(7cqw, 10cqh); font-weight: 600; line-height: 1.3; }
.slide-list ol { counter-reset: s; display: grid; gap: 2.4cqh; margin-top: auto; }
.slide-list li { counter-increment: s; font-size: min(5cqw, 7.4cqh); font-weight: 600; display: flex; gap: .6em; align-items: baseline; }
.slide-list li::before { content: counter(s, decimal-leading-zero); font-family: var(--f-serif); font-style: italic; font-weight: 400; color: var(--accent); }
.slide-brief dl { display: grid; gap: 3cqh; margin-top: auto; }
.slide-brief dt { font-size: max(10px, 2.6cqw); opacity: .75; }
.slide-brief dd { font-size: min(4.2cqw, 6cqh); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.slide-metrics ul { display: flex; gap: 6cqw; margin-top: auto; flex-wrap: wrap; }
.slide-metrics li { display: grid; }
.slide-metrics strong { font-family: var(--f-serif); font-weight: 400; font-size: min(16cqw, 24cqh); line-height: 1; }
.slide-metrics span { font-size: max(10px, 2.8cqw); color: var(--ink-2); }
.slide-chips { background: var(--bg-3); }
.slide-chips ul { display: flex; flex-wrap: wrap; gap: 2cqw; margin-top: auto; }
.slide-chips li { font-size: max(11px, 3.2cqw); padding: .35em .8em; border-radius: 999px; background: var(--bg); }

/* ---------- 作品索引 ---------- */
.index { padding-bottom: clamp(48px, 6vw, 90px); }
.index-count { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.index-count span { font-family: var(--f-serif); font-style: italic; font-size: 32px; color: var(--ink); margin-right: 4px; }
.index-head { font-size: clamp(28px, 3.4vw, 52px); font-weight: 600; letter-spacing: -.01em; line-height: 1.15; }
.index-head em { font-family: var(--f-serif); font-style: italic; font-weight: 400; color: var(--muted); margin-left: .2em; }
.index-intro { color: var(--ink-2); margin: 10px 0 22px; }
.on-paper { padding-top: clamp(24px, 4vw, 56px); }
.work-list { border-top: 1px solid var(--rule); }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, auto) 4em; gap: 24px; align-items: center; padding: clamp(16px, 1.8vw, 24px) 14px; margin-inline: -14px; border-bottom: 1px solid var(--rule); border-radius: 12px; transition: background .35s; }
.row-thumb { display: none; }
.row-title { font-size: clamp(26px, 3.6vw, 58px); font-weight: 600; line-height: 1.15; letter-spacing: -.015em; }
.row-cats { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 4px 12px; font-size: 13px; color: var(--muted); }
.row-cats span:first-child { color: var(--ink-2); }
.row-year { font-size: 14px; color: var(--muted); justify-self: end; font-variant-numeric: tabular-nums; }
@media (hover: hover) { .row:hover { background: var(--bg-2); } }

/* 浮动：光标标签与索引预览 */
.cursor, .preview { position: fixed; left: 0; top: 0; pointer-events: none; translate: -50% -50%; }
.preview { translate: 28px -50%; transform-origin: 0 50%; }
.cursor { z-index: 80; }
.cursor span { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: var(--accent); color: #fbf7f0; font-size: 13px; letter-spacing: .04em; scale: 0; transition: scale .45s var(--ease); }
.cursor.is-on span { scale: 1; }
.cursor.is-on.is-down span { scale: .85; }
.preview { z-index: 40; width: clamp(240px, 22vw, 380px); aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius); opacity: 0; scale: .6; transition: opacity .3s, scale .55s var(--ease); background: var(--bg-2); box-shadow: 0 24px 60px -24px rgba(60, 45, 20, .35); }
.preview.is-on { opacity: 1; scale: 1; }
.preview img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.preview-item { position: absolute; inset: 0; container-type: size; }

/* ---------- 实验室 ---------- */
.lab-intro { font-size: clamp(18px, 1.8vw, 26px); color: var(--ink-2); max-width: 30em; margin-bottom: clamp(32px, 4vw, 56px); }
.lab-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 3vw, 48px) clamp(16px, 2vw, 32px); }
.tile { display: grid; gap: 10px; align-content: start; min-width: 0; }
.tile-main { display: grid; gap: 8px; }
.tile-media { aspect-ratio: 5 / 4; }
.tile-main:hover .media img, .tile-main:hover .poster-headline { transform: scale(1.04); }
.poster-headline { transition: transform .9s var(--ease); transform-origin: 0 50%; }
.tile-title { font-size: 20px; font-weight: 600; margin-top: 6px; }
.tile-tag { font-size: 13px; color: var(--muted); }
.tile-foot { display: flex; align-items: center; gap: 14px; }
.tile-visit { font-size: 13px; padding: 3px 10px; border-radius: 999px; background: var(--warm); }
.tile-visit:hover { background: var(--warm-2); }
.now { padding-top: clamp(64px, 8vw, 120px); }
.now .index-head { margin-bottom: 20px; }
.now-list { border-top: 1px solid var(--rule); }
.now-row { display: grid; grid-template-columns: 5.4em 11em minmax(0, 1fr) 1.4em; gap: 18px; align-items: baseline; padding: 16px 12px; margin-inline: -12px; border-bottom: 1px solid var(--rule); border-radius: 10px; transition: background .3s; }
.now-date { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }
.now-project { font-size: 15px; font-weight: 600; }
.now-text { font-size: 14px; color: var(--ink-2); }
a.now-row:hover { background: var(--bg-2); }

/* ---------- 状态 ---------- */
.status-pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px 2px 8px; border-radius: 999px; font-size: 12px; line-height: 1.5; color: var(--ink-2); background: var(--bg-2); white-space: nowrap; }
.status-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.status-pill.is-live::before { background: var(--live); }
.status-pill.is-building::before { background: var(--building); }
.status-pill.is-concept::before { background: transparent; box-shadow: inset 0 0 0 1.5px var(--muted); }

/* ---------- 案例页 ---------- */
.p-head { padding-top: clamp(24px, 3.5vw, 48px); }
.back-link { display: inline-flex; gap: 8px; font-size: 14px; color: var(--ink-2); padding: 6px 0; transition: color .3s, transform .5s var(--ease); }
.back-link:hover { color: var(--accent); transform: translateX(-4px); }
.p-titlebar { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: clamp(24px, 4vw, 56px); }
.p-title { font-size: clamp(44px, 7.6vw, 132px); font-weight: 600; line-height: 1.06; letter-spacing: -.02em; text-wrap: balance; }
.info-toggle { display: inline-flex; align-items: baseline; gap: 6px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--rule); background: var(--bg); font-size: 14px; margin-bottom: .6em; }
.info-toggle em { font-family: var(--f-serif); font-style: italic; font-size: 16px; color: var(--muted); }
.info-toggle[aria-expanded="true"] { background: var(--warm); border-color: var(--warm-2); }
.p-info { display: grid; grid-template-rows: 1fr; transition: grid-template-rows .6s var(--ease), opacity .4s; }
.p-info.is-closed { grid-template-rows: 0fr; opacity: 0; }
.p-info-inner { overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(28px, 6vw, 110px); padding-top: clamp(28px, 4vw, 52px); }
.p-thesis { font-size: clamp(22px, 2.3vw, 36px); font-weight: 500; line-height: 1.5; text-wrap: pretty; margin-bottom: 18px; }
.p-summary { color: var(--ink-2); font-size: 16px; max-width: 34em; }
.draft-note { margin-top: 12px; }
.visit { display: inline-flex; align-items: baseline; gap: 10px; margin-top: 24px; padding: 11px 20px; border-radius: 999px; background: var(--ink); color: var(--bg); font-size: 14px; transition: background .3s; }
.visit-host { font-size: 13px; opacity: .7; }
.visit:hover { background: var(--accent); }
.p-meta { display: grid; gap: 0; align-content: start; border-top: 1px solid var(--rule); }
.p-meta > div { display: grid; grid-template-columns: 9em minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--rule); font-size: 14px; }
.p-meta dt { color: var(--muted); }
.p-meta dd { font-variant-numeric: tabular-nums; }
.p-meta dt em { font-family: var(--f-serif); font-style: italic; font-size: 15px; }
.p-open { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(12px, 1.6vw, 24px); padding-top: clamp(40px, 5vw, 72px); }
.open-hero { grid-column: 1 / -1; aspect-ratio: 2; }
.open-slide { aspect-ratio: 4 / 3; border-radius: var(--radius); }
.p-body { display: flex; flex-direction: column; gap: clamp(56px, 8vw, 120px); padding-top: clamp(64px, 8vw, 120px); }
.block figcaption { font-size: 13px; color: var(--muted); margin-top: 12px; }
.block-heading { font-size: clamp(24px, 2.4vw, 36px); font-weight: 600; margin-bottom: clamp(18px, 2.4vw, 30px); letter-spacing: -.01em; }
.text-block { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr); gap: clamp(20px, 6vw, 110px); max-width: 1240px; }
.text-block h2 { font-size: clamp(20px, 1.8vw, 26px); font-weight: 600; line-height: 1.45; }
.text-block p { font-size: 17px; color: var(--ink-2); line-height: 1.95; white-space: pre-line; max-width: 36em; }
.brief { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 24px clamp(20px, 3vw, 44px); }
.brief > div { border-top: 1px solid var(--ink); padding-top: 14px; }
.brief dt { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.brief dd { font-size: 15px; line-height: 1.85; color: var(--ink-2); }
.insight-block { display: grid; gap: 16px; max-width: 1180px; }
.insight-block blockquote { margin: 0; font-size: clamp(28px, 3.6vw, 58px); font-weight: 500; line-height: 1.42; letter-spacing: -.01em; text-wrap: balance; }
.insight-block mark { background-image: linear-gradient(var(--warm-2), var(--warm-2)); background-repeat: no-repeat; background-size: 100% .38em; background-position: 0 90%; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.insight-block figcaption { font-size: 14px; color: var(--muted); max-width: 40em; }
.decision-block { display: grid; gap: 16px; }
.decision-q { font-size: clamp(24px, 2.6vw, 38px); font-weight: 600; line-height: 1.35; }
.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: clamp(12px, 1.6vw, 24px); margin-top: 6px; }
.option { display: grid; gap: 8px; align-content: start; padding: clamp(20px, 2.4vw, 32px); border-radius: var(--radius); background: var(--bg-2); color: var(--muted); }
.option strong { font-size: 18px; font-weight: 600; color: var(--ink-2); text-decoration: line-through; text-decoration-color: var(--muted); }
.option p { font-size: 14px; line-height: 1.8; }
.option-mark { font-size: 12px; justify-self: start; }
.option.is-chosen { background: var(--t-bg, var(--warm)); color: var(--t-fg, var(--ink)); }
.option.is-chosen strong { color: inherit; text-decoration: none; }
.option.is-chosen .option-mark { padding: 2px 10px; border-radius: 999px; background: color-mix(in srgb, var(--bg) 85%, transparent); color: var(--ink); }
.decision-why { display: flex; gap: 16px; font-size: 16px; line-height: 1.8; color: var(--ink-2); max-width: 46em; }
.decision-why span { flex-shrink: 0; font-size: 13px; color: var(--accent); padding-top: .2em; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); border-top: 1px solid var(--ink); }
.steps li { display: grid; gap: 8px; align-content: start; padding: 20px clamp(14px, 1.6vw, 24px) 22px 0; border-bottom: 1px solid var(--rule); }
.step-n { font-family: var(--f-serif); font-style: italic; font-size: clamp(32px, 3vw, 48px); line-height: 1; color: var(--accent); }
.steps strong { font-size: 16px; font-weight: 600; }
.steps p { font-size: 14px; line-height: 1.8; color: var(--ink-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { font-size: 13px; padding: 6px 13px; border-radius: 999px; background: var(--bg-2); }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 20px; margin-top: 12px; }
.metrics li { display: grid; gap: 6px; border-top: 1px solid var(--ink); padding-top: 16px; }
.metrics strong { font-family: var(--f-serif); font-weight: 400; font-size: clamp(52px, 6vw, 96px); line-height: 1; }
.metrics li.is-empty strong { color: var(--bg-3); }
.metrics span { font-size: 14px; color: var(--muted); }
.metrics-note { font-size: 13px; color: var(--muted); margin-top: 14px; }
.image-block .media { aspect-ratio: 1.6; }
.media-pair, .media-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(12px, 1.6vw, 24px); }
.media-gallery .cell:first-child { grid-column: 1 / -1; }
.cell .media { aspect-ratio: 4 / 3; }
.video-frame { aspect-ratio: 16 / 9; max-width: 100%; background: var(--bg-2); border-radius: var(--radius); overflow: hidden; display: grid; place-items: center; }
.video-frame video { width: 100%; height: 100%; object-fit: contain; display: block; }
.media-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 24px; text-align: center; color: var(--muted); font-size: 13px; }
.video-frame .media-fallback { position: static; }
.media-fallback strong { color: var(--ink); font-size: 15px; font-weight: 600; }
.p-thanks { padding-top: clamp(64px, 9vw, 140px); font-size: clamp(28px, 3.6vw, 56px); font-weight: 500; }
.p-thanks em { font-family: var(--f-serif); font-style: italic; font-weight: 400; color: var(--accent); margin-left: .2em; }
.more { padding-top: clamp(56px, 7vw, 110px); }
.more .index-head { margin-bottom: clamp(20px, 2.4vw, 32px); }
.more-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); }
.more-card { display: grid; gap: 8px; }
.more-media { aspect-ratio: 16 / 10; }
.more-title { font-size: clamp(20px, 1.8vw, 26px); font-weight: 600; margin-top: 6px; }
.more-tags { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; color: var(--muted); }
.more-links { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; margin-top: clamp(32px, 4vw, 56px); }

/* ---------- 关于 ---------- */
.about-bio { padding-bottom: clamp(48px, 6vw, 90px); }
.about-bio .bio { font-size: clamp(22px, 2.5vw, 40px); max-width: 28em; }
.about-bio .small-note { margin-top: 18px; }
.about-section { padding-block: clamp(40px, 5vw, 72px); border-top: 1px solid var(--rule); scroll-margin-top: 16px; }
.about-section .index-head { margin-bottom: clamp(20px, 2.6vw, 36px); }
.exp-list li { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr) auto; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.exp-list strong { font-size: 18px; font-weight: 600; }
.exp-list span { color: var(--ink-2); }
.exp-time { font-size: 14px; color: var(--muted) !important; font-variant-numeric: tabular-nums; }
.methods-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 100px); }
.method h3 { font-size: 18px; font-weight: 600; margin-bottom: 18px; }
.principles, .flow { display: grid; gap: 16px; }
.principles li, .flow li { display: grid; gap: 4px; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.principles strong, .flow strong { font-size: 16px; font-weight: 600; }
.principles span, .flow li > span:last-child { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.flow li { grid-template-columns: 3em minmax(0, 1fr); column-gap: 12px; }
.flow-n { grid-row: span 2; font-family: var(--f-serif); font-style: italic; font-size: 26px; line-height: 1.1; color: var(--accent); }
.cap-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.cap-list li { font-size: clamp(18px, 1.8vw, 26px); font-weight: 500; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.talk-title { font-size: clamp(48px, 8vw, 140px); font-weight: 600; line-height: 1.05; letter-spacing: -.02em; }
.talk-title em { font-family: var(--f-serif); font-style: italic; font-weight: 400; color: var(--accent); margin-left: .15em; }
.talk-intro { font-size: clamp(18px, 1.8vw, 26px); color: var(--ink-2); margin: 18px 0 32px; max-width: 30em; }
.contact-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 12px; }
.email-row { display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-size: 16px; border-bottom: 1px solid var(--ink); padding: 6px 0; transition: color .3s, border-color .3s; overflow-wrap: anywhere; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.copy-btn { font-size: 13px; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--rule); background: var(--bg); }
.copy-btn:hover { background: var(--warm); }
.empty-contact { font-size: 14px; color: var(--muted); }

.error-page { min-height: 62vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 20px; padding-block: 70px; }
.error-page h1 { font-size: clamp(36px, 6vw, 88px); font-weight: 600; line-height: 1.15; }
.error-page > p:not(.eyebrow) { color: var(--ink-2); }

/* ---------- 页脚（暖黄） ---------- */
.site-footer { margin-top: clamp(80px, 10vw, 160px); background: var(--warm); }
.footer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-top: clamp(40px, 5vw, 64px); padding-bottom: clamp(24px, 3vw, 40px); }
.footer-col { display: grid; gap: 10px; align-content: start; }
.footer-col .eyebrow { color: var(--ink-2); }
.footer-links { display: grid; gap: 6px; }
.footer-links a:hover, .footer-contact:hover { color: var(--accent); }
.footer-contact { font-size: 16px; }
.footer-empty { font-size: 14px; color: var(--ink-2); }
.mq-footer .mq-group { font-size: clamp(72px, 12vw, 220px); line-height: 1.05; padding-block: .08em; }
.mq-footer { transition: color .4s; }
.mq-footer:hover { color: var(--accent); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 24px; padding-top: 20px; padding-bottom: 28px; font-size: 12px; color: var(--ink-2); border-top: 1px solid var(--warm-2); }
.footer-actions { display: inline-flex; gap: 18px; }
.to-top, .motion-toggle { background: none; border: 0; padding: 4px 0; color: var(--ink); font-size: 12px; }
.to-top:hover, .motion-toggle:hover:not(:disabled) { color: var(--accent); }
.motion-toggle:disabled { color: var(--muted); }

/* ---------- 开场：暖黄纸上数到 100 ---------- */
.intro { position: fixed; inset: 0; z-index: 100; display: grid; grid-template-rows: auto 1fr auto; gap: 20px; padding: max(24px, env(safe-area-inset-top, 0px)) var(--gr) max(28px, env(safe-area-inset-bottom, 0px)) var(--gl); background: var(--warm); color: var(--ink); clip-path: inset(0 0 0 0); transition: clip-path 1.05s cubic-bezier(.76, 0, .24, 1); cursor: pointer; }
.intro.is-leaving { clip-path: inset(0 0 100% 0); pointer-events: none; }
.intro-top { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--ink-2); }
.intro-name { font-weight: 600; color: var(--ink); letter-spacing: .02em; }
.intro-count { align-self: end; display: flex; align-items: flex-start; font-family: var(--f-serif); font-style: italic; font-size: clamp(120px, 28vw, 460px); line-height: .82; letter-spacing: -.02em; font-variant-numeric: tabular-nums; transition: transform 1.05s cubic-bezier(.76, 0, .24, 1); }
.intro-pct { font-size: .3em; margin-left: .1em; line-height: 1; color: var(--accent); }
.intro.is-leaving .intro-count { transform: translateY(-40%); }
.intro-bar { height: 2px; background: var(--warm-2); }
.intro-bar i { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; }

/* ---------- 视图切换 ---------- */
::view-transition-old(root) { animation: vt-old .45s cubic-bezier(.7, 0, .84, 0) both; }
::view-transition-new(root) { animation: vt-new .85s .14s cubic-bezier(.16, 1, .3, 1) both; }
::view-transition-group(shared-cover) { animation-duration: .95s; animation-timing-function: cubic-bezier(.76, 0, .24, 1); z-index: 5; }
::view-transition-old(shared-cover), ::view-transition-new(shared-cover) { width: 100%; height: 100%; object-fit: cover; animation-duration: .95s; }
::view-transition-group(site-header) { animation-duration: .3s; }
@keyframes vt-old { to { opacity: 0; transform: translateY(-4vh); } }
@keyframes vt-new { from { opacity: 0; transform: translateY(6vh); } }

/* ---------- 滚动显现与视差 ---------- */
@supports (animation-timeline: view()) {
  .motion-ok .reveal-up { animation: meta-in linear both; animation-timeline: view(); animation-range: entry 8% cover 28%; }
  .motion-ok .open-hero .parallax { animation: hero-out linear both; animation-timeline: view(); animation-range: exit 0% exit 100%; }
  .motion-ok .wipe .parallax, .motion-ok .tile-media .parallax, .motion-ok .more-media .parallax { animation: drift linear both; animation-timeline: view(); }
  .motion-ok .row { animation: row-in linear both; animation-timeline: view(); animation-range: entry 0% entry 100%; }
  .motion-ok .insight-block mark { animation: highlight linear both; animation-timeline: view(); animation-range: entry 40% cover 50%; }
}
@keyframes meta-in { from { opacity: 0; transform: translateY(32px); } }
@keyframes drift { from { transform: translateY(-3%) scale(1.06); } to { transform: translateY(3%) scale(1.06); } }
@keyframes hero-out { to { transform: translateY(12%) scale(1.06); } }
@keyframes row-in { from { opacity: 0; transform: translateY(28px); } }
@keyframes highlight { from { background-size: 0% .38em; } to { background-size: 100% .38em; } }
.motion-ok:not(.has-timeline) [data-io] { transition: opacity .9s var(--ease), transform 1.1s var(--ease); }
.motion-ok:not(.has-timeline) [data-io="pending"] { opacity: 0; transform: translateY(48px); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .lab-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-head { grid-template-columns: minmax(0, 1fr); }
  .methods-grid { grid-template-columns: minmax(0, 1fr); }
  .now-row { grid-template-columns: 5em 9em minmax(0, 1fr) 1.4em; }
}
@media (hover: none) {
  .cursor, .preview { display: none; }
}
@media (max-width: 760px) {
  :root { --header-h: 60px; --radius: 14px; }
  body { font-size: 14px; }
  .wm-zh { display: none; }
  .nav { gap: 16px; }
  .nav-link { font-size: 14px; }
  .nav-en { display: none; }
  .hero-line { line-height: 1.34; }
  .feature-meta { flex-wrap: wrap; gap: 12px 24px; }
  .strip-slide { width: 74vw; }
  .row { grid-template-columns: 64px minmax(0, 1fr); gap: 4px 14px; }
  .row-thumb { display: block; grid-row: span 2; width: 64px; aspect-ratio: 1; border-radius: 10px; overflow: hidden; position: relative; background: var(--bg-2); }
  .row-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .thumb-poster { display: block; position: absolute; inset: 0; container-type: size; }
  .row-cats { justify-content: flex-start; font-size: 12px; }
  .row-year { display: none; }
  .lab-grid { grid-template-columns: minmax(0, 1fr); }
  .now-row { grid-template-columns: minmax(0, 1fr) 1.4em; gap: 2px 12px; }
  .now-date, .now-project, .now-text { grid-column: 1; }
  .now-arrow { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .p-info-inner, .text-block { grid-template-columns: minmax(0, 1fr); }
  .p-meta > div { grid-template-columns: 7em minmax(0, 1fr); }
  .p-open { grid-template-columns: minmax(0, 1fr); }
  .open-hero { aspect-ratio: 4 / 3; }
  .media-pair, .media-gallery, .more-grid, .cap-list { grid-template-columns: minmax(0, 1fr); }
  .exp-list li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .mq-track { transform: none !important; }
  .cursor, .preview, .intro { display: none !important; }
  [data-io] { opacity: 1 !important; transform: none !important; }
}

/* v6.2: filters remain usable without hover or motion. */
[hidden] { display: none !important; }
.work-filters { display:flex; flex-wrap:wrap; gap:10px; margin-bottom:28px; }
.work-filters button { border:1px solid var(--rule); border-radius:999px; padding:12px 18px; min-height:44px; background:transparent; color:inherit; font:inherit; cursor:pointer; transition:background .2s,color .2s; }
.work-filters button span { margin-left:6px; font-size:12px; opacity:.7; }
.work-filters button[aria-pressed="true"] { color:#faf9f5; background:#292824; border-color:#292824; }
.work-filters button:focus-visible { outline:2px solid #a33f25; outline-offset:4px; }
.work-list { position:relative; }
.row-title { min-width:0; overflow-wrap:anywhere; }
@media (max-width:600px) { .work-filters { gap:8px; } .work-filters button { padding:10px 13px; font-size:14px; } }