/* 张皓宇 AI 作品集 v2 —— 沿用 personal-site design system v0（site/shared/tokens.css）：
   橙红亮场 + 墨黑暗场、颗粒、衬线大字、mono 大写标签。只做桌面版。 */
:root {
  --burn: #e8462a; --burn-2: #c8331c; --soot: #0c0a09; --soot-raise: #151412;
  --bone: #f0e7dd; --dust: #a29891;
  --line: rgba(240, 231, 221, .17); --line-on-burn: rgba(12, 10, 9, .34);
  --field-burn: linear-gradient(176deg, var(--burn) 0%, var(--burn) 46%, var(--burn-2) 100%);
  --grain:
    repeating-linear-gradient(0deg, rgba(12, 10, 9, .09) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(12, 10, 9, .06) 0 1px, transparent 1px 4px);
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
  --pad-x: 48px;
  color-scheme: dark;
}

/* ==================== 基础 ==================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; min-width: 1180px; background: var(--soot); color: var(--bone); font: 15px/1.8 var(--sans); }
h1, h2, h3, h4, p, ol, ul, figure { margin: 0; padding: 0; }
ol, ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; text-align: inherit; }
:focus-visible { outline: 2px solid var(--burn); outline-offset: 4px; }
em { font-style: normal; }
.wrap { width: 100%; max-width: 1320px; margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.eyebrow { font: 700 11px/1.4 var(--mono); letter-spacing: .22em; text-transform: uppercase; }

/* ==================== 按钮 ==================== */
/* 斜切黑块：取自正式站 D01 的平行四边形墨块 */
.btn-block { display: inline-flex; align-items: stretch; gap: 4px; font: 700 13px/1 var(--mono); letter-spacing: .2em; color: var(--bone); }
.btn-block span, .btn-block i { display: inline-flex; align-items: center; padding: 15px 22px 14px; background: var(--soot); clip-path: polygon(8px 0, 100% 0, calc(100% - 8px) 100%, 0 100%); font-style: normal; transition: transform .25s cubic-bezier(.2,.8,.2,1), background .25s; }
.btn-block i { padding: 15px 16px 14px; }
.btn-block:hover span { transform: translateY(-2px); }
.btn-block:hover i { transform: translate(4px, -2px); background: var(--burn); color: var(--soot); }
.link-mono { display: inline-flex; align-items: center; gap: 10px; font: 700 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; }
.link-mono b { width: 7px; height: 13px; background: currentColor; transform: skewX(-14deg); }
.link-mono:hover { color: var(--burn); }

/* ==================== 导航：墨色胶囊 ==================== */
.nav { position: fixed; z-index: 20; top: 16px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 30px; padding: 7px 8px 7px 7px; border-radius: 999px; background: rgba(12, 10, 9, .9); backdrop-filter: blur(14px); border: 1px solid rgba(240, 231, 221, .08); box-shadow: 0 10px 30px rgba(12, 10, 9, .3); }
.nav-mark { position: relative; width: 38px; height: 38px; border-radius: 50%; background: var(--soot-raise); border: 1px solid var(--line); display: grid; place-items: center; }
.nav-mark span { width: 20px; height: 20px; border-radius: 50%; background: var(--burn); box-shadow: inset 0 0 0 5px var(--soot-raise), 0 0 0 1.5px var(--burn); }
.nav nav { display: flex; gap: 30px; font: 700 12px/1 var(--mono); letter-spacing: .2em; color: var(--dust); }
.nav nav a:hover, .nav nav a.is-on { color: var(--bone); }
.nav-cta { padding: 11px 18px; border-radius: 999px; background: var(--burn); color: var(--soot); font: 700 12px/1 var(--mono); letter-spacing: .14em; }
.nav-cta:hover { background: var(--bone); }

/* ==================== Hero：橙红亮场 ==================== */
.hero { position: relative; min-height: 100vh; overflow: hidden; background: var(--field-burn); color: var(--soot); padding-top: 112px; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: 3; background-image: var(--grain); opacity: .5; pointer-events: none; }
.hero-arc { position: absolute; z-index: -1; width: 1700px; height: 1700px; right: -980px; top: -760px; border-radius: 50%;
  background: radial-gradient(closest-side, transparent 0 74%, rgba(240, 231, 221, .5) 86%, rgba(240, 231, 221, .08) 95%, transparent 100%); }
.hero-arc::after { content: ""; position: absolute; inset: 160px -300px -500px 120px; border-radius: 50%; background: radial-gradient(closest-side, rgba(140, 30, 14, .55), transparent 75%); }
.hero-line { position: absolute; z-index: 0; left: -5%; right: -5%; top: 74%; height: 1px; background: rgba(12, 10, 9, .7); transform: rotate(-7deg); }
.hero-top { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.hero .eyebrow { opacity: .82; }
.hero h1 { margin-top: 18px; font: 700 128px/.98 var(--serif); letter-spacing: -.03em; }
.hero h1 span { display: block; margin-top: 10px; font-size: 64px; line-height: 1.05; letter-spacing: -.02em; }
.hero h1 em { color: var(--bone); font-style: italic; }
.hero-role { margin-top: 22px; font: 700 13px/1.4 var(--mono); letter-spacing: .18em; }
.hero-lead { margin-top: 12px; max-width: 34rem; font-size: 16px; line-height: 1.75; color: rgba(12, 10, 9, .84); }
.hero-ctas { display: flex; align-items: center; gap: 28px; margin-top: 26px; }
.hero-info { text-align: right; padding-top: 6px; }
.hero-year { display: block; font: 700 150px/.82 var(--serif); letter-spacing: -.05em; color: transparent; -webkit-text-stroke: 1.5px var(--soot); }
.hero-info-k { margin-top: 18px; font: 700 12px/1.4 var(--mono); letter-spacing: .16em; }
.hero-info-v { margin: 8px 0 18px; font-size: 13.5px; line-height: 1.7; color: rgba(12, 10, 9, .84); }

/* 扇形卡片：线稿卡面（assets/card-*.svg） */
.fan { position: relative; z-index: 2; height: 360px; margin-top: 30px; perspective: 1400px; }
.fan li { position: absolute; left: 50%; top: 20px; transform:
  translateX(calc(var(--i) * 230px - 50%)) translateY(calc(var(--i) * var(--i) * 9px)) rotateY(calc(var(--i) * -9deg)) rotateZ(calc(var(--i) * 3deg));
  transform-style: preserve-3d; }
.fan-card { position: relative; display: flex; flex-direction: column; width: 210px; height: 296px; overflow: hidden; border-radius: 12px; background: var(--soot-raise); color: var(--bone); box-shadow: 0 30px 50px -18px rgba(12, 10, 9, .65), 0 0 0 1px rgba(240, 231, 221, .06); transition: transform .4s cubic-bezier(.2,.8,.2,1), box-shadow .4s; }
.fan-card:hover { transform: translateY(-16px) scale(1.03); box-shadow: 0 40px 60px -18px rgba(12, 10, 9, .75), 0 0 0 1.5px var(--bone); }
.fan-card img { height: 172px; width: 100%; object-fit: cover; border-bottom: 1px solid var(--line); }
.fan-card .fc-n { position: absolute; top: 10px; right: 12px; padding: 2px 6px; background: var(--soot); font: 700 10px/1.4 var(--mono); letter-spacing: .14em; color: var(--burn); }
.fan-card strong { display: block; padding: 16px 16px 0; font: 700 21px/1.12 var(--serif); }
.fan-card em { margin-top: auto; padding: 0 16px 14px; font: 700 9px/1.4 var(--mono); letter-spacing: .18em; color: var(--dust); font-style: normal; }

/* 速览条 */
.proof { display: grid; grid-template-columns: repeat(3, 1fr); padding-top: 34px; padding-bottom: 34px; }
.proof div { display: flex; gap: 16px; align-items: center; padding: 6px 24px; border-left: 1px solid var(--line); }
.proof div:first-child { border-left: 0; padding-left: 0; }
.proof-n { font: 700 46px/1 var(--serif); color: var(--burn); letter-spacing: -.02em; }
.proof p { font-size: 14px; line-height: 1.5; }
.proof small { font: 700 9.5px/1.6 var(--mono); letter-spacing: .2em; color: var(--dust); }

/* ==================== 段落通用 ==================== */
.sec { padding-top: 96px; padding-bottom: 96px; }
.sh { display: flex; justify-content: flex-end; align-items: baseline; gap: 14px; padding-bottom: 18px; margin-bottom: 56px; border-bottom: 1px solid var(--line); }
.sh-n { font: 700 13px/1 var(--mono); color: var(--burn); letter-spacing: .1em; }
.sh h2 { font: 700 20px/1 var(--serif); letter-spacing: .04em; }
.sh-en { font: 700 12px/1 var(--mono); letter-spacing: .24em; color: var(--dust); }
.statement { font: 700 58px/1.12 var(--serif); letter-spacing: -.02em; }
.statement em { color: var(--burn); }
.statement-wide { margin-bottom: 64px; }
.body-text { margin-top: 28px; max-width: 36em; font-size: 16px; line-height: 1.9; color: var(--dust); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tags li { padding: 4px 9px; border: 1px solid var(--line); font: 700 10px/1.3 var(--mono); letter-spacing: .14em; color: var(--dust); }

/* ==================== 01 经历 ==================== */
.exp { display: grid; grid-template-columns: 1fr 340px; gap: 80px; align-items: end; }
.portrait { position: relative; }
.portrait-img { position: relative; overflow: hidden; border-radius: 12px; background: var(--bone); aspect-ratio: 4 / 5; }
.portrait-img img { width: 100%; height: 100%; object-fit: cover; mix-blend-mode: multiply; filter: saturate(.85) contrast(1.02); }
.portrait-img::after { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .35; pointer-events: none; }
.portrait figcaption { display: flex; justify-content: space-between; margin-top: 12px; font: 700 10px/1 var(--mono); letter-spacing: .2em; color: var(--dust); }
.rows { margin-top: 72px; border-top: 1px solid var(--line); }
.row-n { font: 700 12px/1 var(--mono); color: var(--burn); padding-top: 8px; }
.rows li { display: grid; grid-template-columns: 90px 1fr 260px; align-items: start; padding: 28px 0; border-bottom: 1px solid var(--line); }
.rows strong { font: 700 24px/1.3 var(--serif); }
.rows p { margin-top: 6px; color: var(--dust); }
.row-meta { text-align: right; font: 700 11px/1.6 var(--mono); letter-spacing: .12em; color: var(--dust); padding-top: 6px; }
.row-meta b { display: block; margin-top: 6px; color: var(--bone); letter-spacing: .2em; font-size: 10px; }
.row-meta b.on { color: var(--burn); }

/* ==================== 02 作品 ==================== */
.work { display: grid; grid-template-columns: 380px 1fr; gap: 64px; align-items: center; padding: 64px 0; border-top: 1px solid var(--line); }
.work-k { display: flex; gap: 14px; align-items: center; font: 700 11px/1.4 var(--mono); letter-spacing: .16em; color: var(--dust); }
.work-k span { color: var(--soot); background: var(--burn); padding: 3px 7px; letter-spacing: .1em; }
.work h3 { margin-top: 20px; font: 700 40px/1.12 var(--serif); letter-spacing: -.015em; }
.work h3 small { display: block; margin-top: 10px; font: 400 17px/1.4 var(--sans); color: var(--burn); letter-spacing: .02em; }
.work-copy > p:not(.work-k), .work-small > p:not(.work-k) { margin-top: 20px; color: var(--dust); line-height: 1.85; }
.work-links { display: flex; align-items: center; gap: 28px; margin-top: 30px; }
.work .btn-block span, .work .btn-block i { background: var(--bone); color: var(--soot); }
.work .btn-block:hover i { background: var(--burn); }

.work-feature { border-top: 0; padding-top: 0; }
/* 作品封面：_covers/covers.html 渲染的 1600×1000 图 */
.cover { display: block; width: 100%; overflow: hidden; border-radius: 12px; box-shadow: 0 0 0 1px var(--line), 0 40px 70px -34px rgba(0, 0, 0, .8); }
.cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.cover:hover img { transform: scale(1.025); }
.work-small .cover { margin-bottom: 30px; }


.work-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-top: 64px; border-top: 1px solid var(--line); }
.work-small { display: block; padding: 0; border: 0; }
.work-small h3 { font-size: 32px; }

/* ==================== 03 宣传片：亮场 ==================== */
.films { position: relative; background: var(--field-burn); color: var(--soot); overflow: hidden; }
.films::before { content: ""; position: absolute; inset: 0; background-image: var(--grain); opacity: .5; pointer-events: none; }
.films-in { position: relative; display: grid; grid-template-columns: 1fr 300px 300px; gap: 40px; align-items: center; padding-top: 110px; padding-bottom: 110px; }
.sh-inline { display: flex; gap: 12px; font: 700 12px/1 var(--mono); letter-spacing: .22em; }
.sh-inline span { color: var(--bone); }
.films h2 { margin-top: 26px; font: 700 72px/1.06 var(--serif); letter-spacing: -.025em; }
.films h2 em { color: var(--bone); }
.films-copy > p:last-child { margin-top: 24px; max-width: 26em; font-size: 15.5px; color: rgba(12, 10, 9, .84); }
.film-frame { border-radius: 14px; overflow: hidden; background: var(--soot); padding: 8px; box-shadow: 0 34px 60px -24px rgba(12, 10, 9, .7); }
.film-frame video { width: 100%; aspect-ratio: 9 / 16; border-radius: 8px; background: var(--soot); }
.film:nth-child(3) { transform: translateY(40px); }
.film-cap { display: grid; gap: 6px; margin-top: 14px; }
.film-cap strong { font: 700 17px/1.2 var(--serif); }
.film-cap span { font: 700 9.5px/1 var(--mono); letter-spacing: .14em; }

/* ==================== 04 优势 ==================== */
.grid6 { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.grid6 article { position: relative; padding: 34px 32px 38px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background .3s; }
.grid6 article:hover { background: var(--soot-raise); }
.grid6 article:hover span { color: var(--bone); background: var(--burn); }
.grid6 span { display: inline-block; padding: 2px 6px; font: 700 11px/1.4 var(--mono); color: var(--burn); letter-spacing: .1em; transition: background .3s, color .3s; }
.grid6 h4 { margin-top: 26px; font: 700 26px/1.2 var(--serif); }
.grid6 p { margin-top: 12px; color: var(--dust); }

/* ==================== 05 联系 ==================== */
.cta-panel { display: grid; grid-template-columns: 1fr 520px; gap: 60px; align-items: center; padding: 64px 64px; border-radius: 16px; background: var(--soot-raise); box-shadow: 0 0 0 1px var(--line); }
.cta-panel h2 { font: 700 52px/1.18 var(--serif); letter-spacing: -.02em; }
.cta-panel h2 em { color: var(--burn); }
.cta-rows li { border-bottom: 1px solid var(--line); }
.cta-rows li:first-child { border-top: 1px solid var(--line); }
.cta-rows a { display: grid; grid-template-columns: 120px 1fr 30px; align-items: center; padding: 17px 4px; transition: padding .3s, color .3s; }
.cta-rows span { font: 700 11px/1 var(--mono); letter-spacing: .22em; color: var(--dust); }
.cta-rows b { font: 400 16px/1.4 var(--sans); }
.cta-rows i { font-style: normal; text-align: right; color: var(--burn); }
.cta-rows a:hover { padding-left: 14px; color: var(--burn); }

.foot { display: flex; justify-content: space-between; align-items: end; padding-top: 70px; padding-bottom: 60px; background: linear-gradient(var(--line), var(--line)) var(--pad-x) 0 / calc(100% - 2 * var(--pad-x)) 1px no-repeat; }
.foot-quote { font: italic 400 26px/1.35 var(--serif); }
.foot-meta { display: grid; gap: 6px; text-align: right; font: 700 10.5px/1.6 var(--mono); letter-spacing: .18em; color: var(--dust); }

/* ==================== 项目对话框 ==================== */
dialog { width: min(1080px, calc(100% - 80px)); max-height: 88vh; padding: 0; border: 0; border-radius: 16px; background: var(--soot-raise); color: var(--bone); box-shadow: 0 0 0 1px var(--line), 0 60px 120px rgba(0, 0, 0, .6); overflow: hidden; }
dialog::backdrop { background: rgba(12, 10, 9, .78); backdrop-filter: blur(6px); }
.dlg-close { position: absolute; z-index: 2; top: 18px; right: 18px; width: 40px; height: 40px; border-radius: 50%; background: var(--soot); font-size: 22px; line-height: 1; display: grid; place-items: center; box-shadow: 0 0 0 1px var(--line); }
.dlg-close:hover { background: var(--burn); color: var(--soot); }
.dlg-body { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding: 52px; max-height: 88vh; overflow-y: auto; }
.dlg-body h2 { margin-top: 18px; font: 700 40px/1.12 var(--serif); }
.dlg-body h2 small { display: block; margin-top: 8px; font: 400 16px/1.4 var(--sans); color: var(--burn); }
.dlg-body .dlg-detail { margin-top: 22px; color: var(--dust); line-height: 1.9; }
.dlg-facts { margin-top: 26px; border-top: 1px solid var(--line); }
.dlg-facts li { display: grid; grid-template-columns: 90px 1fr; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.dlg-facts li span { font: 700 10px/2 var(--mono); letter-spacing: .2em; color: var(--dust); }
.dlg-media { align-self: start; border-radius: 10px; overflow: hidden; background: var(--soot); box-shadow: 0 0 0 1px var(--line); }
.dlg-media video { max-height: 70vh; margin: 0 auto; }
.dlg-media img { width: 100%; }
.dlg-body .work-links { margin-top: 28px; }
.dlg-body .btn-block span, .dlg-body .btn-block i { background: var(--bone); color: var(--soot); }
body.dialog-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }