/* ═══════════════════════════════════════════════════════════════
   OFF+BRAND 重构设计系统 — MyHub-offbrand
   暖羊皮纸底 × 巨型全大写排版 × 虹彩球体 × 幽灵链接 × 无阴影扁平
   所有页面共享本文件；页面自身不再写 <style>，只保留 <script>。
   ═══════════════════════════════════════════════════════════════ */

/* ─── Tokens ────────────────────────────────────────────────── */
:root {
  /* Colors — 严格单色纪律，虹彩渐变仅用于 hero sphere */
  --color-parchment: #f3fbf5;
  --color-ink: #1d1d1d;
  --color-paper: #ffffff;
  --color-ash: #bfbebe;
  --color-stone: #cdcdc9;
  --gradient-iridescent-sphere: linear-gradient(255deg, rgb(250, 203, 14), rgb(240, 107, 168) 30%, rgb(120, 186, 230) 65%, rgb(255, 255, 255));

  /* Typography — Ataero Retina OB 的商业字体不可得，
     以自托管 Space Grotesk（几何无衬线）为唯一显示字体，正文 Inter，中文回退 PingFang/Noto。 */
  --font-display: 'Space Grotesk', 'PingFang SC', 'Noto Sans SC', system-ui, sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Noto Sans SC', system-ui, sans-serif;

  --text-caption: 11px;   --leading-caption: 1.4;  --tracking-caption: 0.55px;
  --text-body-sm: 15px;   --leading-body-sm: 1.4;  --tracking-body-sm: 0.15px;
  --text-body: 18px;      --leading-body: 1.4;     --tracking-body: 0.23px;
  --text-subheading: 34px;--leading-subheading: 1; --tracking-subheading: 0.44px;
  --text-heading-sm: 46px;--leading-heading-sm: 1; --tracking-heading-sm: 0.6px;
  --text-heading: 70px;   --leading-heading: 0.8;  --tracking-heading: 0.91px;
  --text-heading-lg: 76px;--leading-heading-lg: 0.8;--tracking-heading-lg: 0.99px;
  --text-display: 103px;  --leading-display: 0.8;  --tracking-display: 1.34px;

  /* Spacing */
  --spacing-5: 5px; --spacing-6: 6px; --spacing-8: 8px; --spacing-15: 15px;
  --spacing-19: 19px; --spacing-30: 30px; --spacing-32: 32px; --spacing-46: 46px;
  --spacing-76: 76px; --spacing-119: 119px;

  /* Layout */
  --page-max-width: 1400px;
  --gutter: clamp(20px, 4vw, 48px);
  --card-padding: 30px;
  --element-gap: 19px;

  /* Radii — 卡片 0px，交互元素 10px */
  --radius-cards: 0px;
  --radius-links: 10px;
}

/* ─── Reset & base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-parchment);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  cursor: none;
}
@media (pointer: coarse) { body { cursor: auto; } }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: 0; padding: 0; color: inherit; cursor: none; }
@media (pointer: coarse) { button { cursor: pointer; } }
p { margin: 0; text-wrap: pretty; }
h1, h2, h3, h4 { margin: 0; font-weight: 400; text-wrap: balance; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--color-ink); color: var(--color-parchment); }
:focus-visible { outline: 1px dashed var(--color-ink); outline-offset: 3px; }

/* 双语切换 */
html[data-lang="zh"] .en-only { display: none; }
html[data-lang="en"] .zh-only { display: none; }

/* ─── Layout primitives ─────────────────────────────────────── */
.container { max-width: var(--page-max-width); margin-inline: auto; padding-inline: var(--gutter); position: relative; }
.section { padding-block: clamp(var(--spacing-76), 9vw, var(--spacing-119)); position: relative; }
.section + .section { border-top: 1px solid var(--color-ash); }
.hr-ash { border: 0; border-top: 1px solid var(--color-ash); margin: 0; }

/* ─── Section label（博物馆标牌式微排版）─────────────────────── */
.label {
  font-family: var(--font-display);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-ink);
  display: block;
  margin-bottom: var(--spacing-30);
}
.label .no { color: var(--color-ash); margin-right: 12px; }
.label-row { display: flex; justify-content: space-between; align-items: baseline; gap: var(--spacing-19); flex-wrap: wrap; margin-bottom: var(--spacing-30); }
.label-row .label { margin-bottom: 0; }

/* ─── Display / headings ────────────────────────────────────── */
.display {
  font-family: var(--font-display);
  font-size: clamp(56px, 9.2vw, var(--text-display));
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-display);
  text-transform: uppercase;
  font-weight: 400;
  color: var(--color-ink);
}
.h-heading {
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, var(--text-heading));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  text-transform: uppercase;
  font-weight: 400;
}
.h-heading-sm {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, var(--text-heading-sm));
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  font-weight: 400;
}
.h-sub {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.8vw, var(--text-subheading));
  line-height: var(--leading-subheading);
  letter-spacing: var(--tracking-subheading);
  font-weight: 400;
}
.body-text { font-size: var(--text-body); line-height: var(--leading-body); letter-spacing: var(--tracking-body); max-width: 62ch; }
.body-sm { font-size: var(--text-body-sm); line-height: var(--leading-body-sm); letter-spacing: var(--tracking-body-sm); }
.caption { font-size: var(--text-caption); line-height: var(--leading-caption); letter-spacing: var(--tracking-caption); }
.num-tabular { font-variant-numeric: tabular-nums; }

/* ─── Ghost link / button ───────────────────────────────────── */
.ghost-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: var(--text-body-sm); font-weight: 400;
  color: var(--color-ink);
  padding: var(--spacing-5) 0;
  border-radius: var(--radius-links);
  position: relative;
}
.ghost-link::after {
  content: ""; position: absolute; left: 0; bottom: 2px;
  width: 100%; height: 1px; background: var(--color-ink);
  transform: scaleX(0); transform-origin: left;
  transition: transform .32s cubic-bezier(.2,.6,.2,1);
}
.ghost-link:hover::after { transform: scaleX(1); }
.ghost-link .arr { display: inline-block; transition: transform .32s cubic-bezier(.2,.6,.2,1); }
.ghost-link:hover .arr { transform: translateX(6px); }

.filter-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: var(--text-caption); font-weight: 400;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-ink);
  border: 1px solid var(--color-ink); border-radius: var(--radius-links);
  padding: 8px 19px;
  background: transparent;
  transition: background .25s ease, color .25s ease;
}
.filter-btn:hover, .filter-btn.active { background: var(--color-ink); color: var(--color-parchment); }
.filter-btn .cnt { font-variant-numeric: tabular-nums; opacity: .6; }

/* ─── Topnav（极简顶栏，无粘重底色）─────────────────────────── */
.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: transparent;
  transition: background .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.topnav.scrolled {
  background: color-mix(in oklab, var(--color-parchment) 92%, transparent);
  border-bottom-color: var(--color-ash);
}
.topnav-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-19); padding-block: var(--spacing-19); }
.logo {
  font-family: var(--font-display); font-size: var(--text-body-sm);
  letter-spacing: 0.05em; text-transform: uppercase; font-weight: 700;
  display: inline-flex; align-items: center; gap: 9px;
}
.logo .sphere-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gradient-iridescent-sphere); flex: none; }
.logo small { font-family: var(--font-display); font-weight: 400; font-size: var(--text-caption); letter-spacing: 0.05em; color: var(--color-ink); opacity: .55; }
nav.main-nav { display: flex; gap: clamp(19px, 2.4vw, 46px); align-items: center; }
nav.main-nav a {
  font-family: var(--font-display); font-size: 15px;
  letter-spacing: 0.02em; text-transform: none; color: var(--color-ink);
  opacity: .6; padding-block: var(--spacing-5); position: relative;
  transition: opacity .25s ease;
}
nav.main-nav a:hover { opacity: 1; }
nav.main-nav a[aria-current="page"] { opacity: 1; }
nav.main-nav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--color-ink); }
.nav-actions { display: flex; align-items: center; gap: var(--spacing-19); }
.lang-btn {
  font-family: var(--font-display); font-size: var(--text-caption);
  letter-spacing: 0.05em; text-transform: uppercase;
  padding: var(--spacing-6) 15px; border: 1px solid var(--color-ash);
  border-radius: var(--radius-links); color: var(--color-ink);
  transition: border-color .2s ease;
}
.lang-btn:hover { border-color: var(--color-ink); }
@media (max-width: 860px) { nav.main-nav { display: none; } }

/* ─── Hero ──────────────────────────────────────────────────── */
.hero { min-height: 100svh; display: flex; align-items: center; position: relative; overflow: clip; padding-block: 140px var(--spacing-76); }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.sphere {
  position: absolute; z-index: 1;
  width: min(52vw, 620px); aspect-ratio: 1; border-radius: 50%;
  right: clamp(-80px, 2vw, 40px); top: 50%; translate: 0 -50%;
  filter: saturate(1.05);
  pointer-events: none;
}
@keyframes sphere-breathe {
  from { transform: scale(1) rotate(0deg); }
  to   { transform: scale(1.06) rotate(8deg); }
}
@media (max-width: 920px) { .sphere { width: 78vw; right: auto; left: 50%; translate: -50% 0; top: 18%; opacity: .9; } .hero { padding-block: 140px var(--spacing-119); } }

.hero-statement .mask-line { display: block; overflow: hidden; padding-bottom: .32em; margin-bottom: -.32em; }
.hero-statement .w { display: block; transform: translateY(120%); transition: transform 1s cubic-bezier(.16,.8,.24,1); }
.hero-statement.loaded .w { transform: translateY(0); }

.hero-meta { margin-top: var(--spacing-46); display: flex; flex-direction: column; gap: var(--spacing-15); }
.hero-cn { font-size: var(--text-body); line-height: 1.6; max-width: 44ch; opacity: .85; }
.hero-cn em { font-style: normal; font-weight: 700; }
.hero-id { font-family: var(--font-display); font-size: var(--text-body-sm); letter-spacing: 0.013em; display: flex; gap: 14px; flex-wrap: wrap; align-items: baseline; }
.hero-id .name { font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.hero-id .sep { color: var(--color-ash); }
.hero-cta { margin-top: var(--spacing-46); display: flex; gap: var(--spacing-32); flex-wrap: wrap; align-items: center; }

.scroll-indicator {
  position: absolute; right: var(--gutter); bottom: var(--spacing-30); z-index: 3;
  font-family: var(--font-display); font-size: var(--text-caption);
  letter-spacing: 0.05em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-indicator .stem { width: 1px; height: 46px; background: var(--color-ink); position: relative; overflow: hidden; }
.scroll-indicator .stem::after { content: ""; position: absolute; inset: 0; background: var(--color-parchment); transform: translateY(-100%); animation: scroll-drop 2.2s cubic-bezier(.6,0,.4,1) infinite; }
@keyframes scroll-drop { 0% { transform: translateY(-100%); } 60%, 100% { transform: translateY(100%); } }

/* ─── Concentric circle ornament（同心圆装饰，永不填满）──────── */
.rings { position: absolute; pointer-events: none; z-index: 0; opacity: 1; }
.rings i { position: absolute; top: 50%; left: 50%; translate: -50% -50%; border: 1px solid var(--color-ash); border-radius: 50%; display: block; }
.rings i:nth-child(1) { width: 180px; height: 180px; }
.rings i:nth-child(2) { width: 320px; height: 320px; }
.rings i:nth-child(3) { width: 520px; height: 520px; }
.rings.small i:nth-child(1) { width: 90px; height: 90px; }
.rings.small i:nth-child(2) { width: 150px; height: 150px; }
.rings.small i:nth-child(3) { width: 220px; height: 220px; }

/* ─── Stats band ────────────────────────────────────────────── */
.stats-band { border-block: 1px solid var(--color-ash); background: var(--color-parchment); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); }
.stat { padding: clamp(32px, 4.6vw, 76px) 0; }
.stat + .stat { border-left: 1px solid var(--color-ash); padding-left: clamp(15px, 2vw, 30px); }
.stat-num {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(40px, 5.6vw, 76px); line-height: 1;
  letter-spacing: 0.006em; font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 2px;
}
.stat-num .u { font-size: 0.38em; letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; }
.stat-label { font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; margin-top: var(--spacing-15); max-width: 18ch; font-family: var(--font-display); }
@media (max-width: 920px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat + .stat { border-left: 0; padding-left: 0; }
  .stat { border-top: 1px solid var(--color-ash); }
  .stats-grid .stat:nth-child(-n+2) { border-top: 0; }
  .stat:nth-child(even) { border-left: 1px solid var(--color-ash); padding-left: var(--spacing-19); }
}

/* ─── Work card（网格纸卡片，0px 圆角，无阴影）──────────────── */
.works-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--spacing-19); flex-wrap: wrap; margin-bottom: var(--spacing-46); }
.work-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--color-ash); border: 1px solid var(--color-ash); }
.work-grid.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1080px) { .work-grid, .work-grid.four { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .work-grid, .work-grid.four { grid-template-columns: 1fr; } }
/* 走马灯三列错落视差画廊（作品页）：浮动卡片、列错位下沉、列间留白 */
.work-grid.masonry { display: flex; align-items: flex-start; gap: clamp(15px, 2vw, 30px); background: none; border: none; }
.work-grid.masonry .wcol { flex: 1 1 33.33%; min-width: 0; display: flex; flex-direction: column; gap: clamp(15px, 2vw, 30px); will-change: transform; }
.work-grid.masonry .wcol.wm { margin-top: clamp(24px, 5vw, 64px); }
.work-grid.masonry .wcol.wr { margin-top: clamp(48px, 10vw, 128px); }
.work-grid.masonry .work-card { width: 100%; }
.work-grid.masonry .work-card:hover { scale: 1.015; }
@media (max-width: 900px) {
  .work-grid.masonry .wcol { flex-basis: 50%; }
  .work-grid.masonry .wcol.wr { margin-top: clamp(20px, 4vw, 48px); }
}
@media (max-width: 680px) {
  .work-grid.masonry { flex-direction: column; }
  .work-grid.masonry .wcol { width: 100%; flex-basis: auto; margin-top: 0; }
  .work-grid.masonry .wcol { transform: none !important; }
}
.work-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--color-paper);
  border: 1px solid color-mix(in oklab, var(--card-tint, var(--color-paper)) 55%, var(--color-ash));
  border-radius: var(--radius-cards);
  overflow: hidden;
  transition: scale .5s cubic-bezier(.16,.8,.24,1), border-color .3s ease;
  will-change: scale;
}
.work-card:hover { scale: 1.012; border-color: color-mix(in oklab, var(--card-tint, var(--color-paper)) 30%, var(--color-ink)); }
.work-card .chip-type {
  position: absolute; top: var(--spacing-19); left: var(--spacing-19); z-index: 3;
  font-family: var(--font-display); font-size: var(--text-caption);
  letter-spacing: 0.05em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 7px;
  background: transparent; border: 0; padding: 0; color: var(--color-ink);
}
.work-card .chip-type i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--color-ash); }
.work-card[data-type="article"] .chip-type i { background: #5b9bc4; }
.work-card[data-type="asset"] .chip-type i { background: #5aa77a; }
.work-card[data-type="skill"] .chip-type i { background: #c9a13f; }
.work-card[data-type="live"] .chip-type i { background: #4f9aa3; }
/* 封面：柔和类别色渐变底 + 大号描边水印序号，正文纯白，二者以发丝线分隔 */
.work-cover {
  aspect-ratio: 16 / 10; position: relative; color: var(--color-ink); overflow: hidden;
  background-color: var(--card-tint, var(--color-paper));
  background-image:
    radial-gradient(120% 130% at 22% 16%, rgba(255,255,255,.55), rgba(255,255,255,0) 60%),
    radial-gradient(130% 130% at 88% 96%, color-mix(in oklab, var(--card-tint, var(--color-paper)) 55%, var(--color-ash)) 0%, rgba(0,0,0,0) 55%);
  border-bottom: 1px solid color-mix(in oklab, var(--card-tint, var(--color-ash)) 45%, var(--color-ash));
  transition: background-color .4s ease;
}
/* 大号类别色描边水印序号（精致设计元素） */
.work-cover::before {
  content: attr(data-idx); position: absolute; left: 18px; bottom: -14px; z-index: 1;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(72px, 9vw, 116px); line-height: 1;
  color: transparent; -webkit-text-stroke: 1.5px color-mix(in oklab, var(--card-tint, var(--color-ash)) 25%, var(--color-ash));
  opacity: .5; letter-spacing: -0.02em; pointer-events: none;
}
.work-card:hover .work-cover { background-color: color-mix(in oklab, var(--card-tint, var(--color-paper)) 78%, #ffffff); }
.work-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; transition: transform 1.1s cubic-bezier(.16,.8,.24,1); }
.work-card:hover .work-cover svg { transform: scale(1.06); }
.work-body { padding: var(--spacing-30); display: flex; flex-direction: column; gap: var(--spacing-8); flex: 1; background: var(--color-paper); }
.work-body h3 { font-family: var(--font-display); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.28; letter-spacing: 0.004em; font-weight: 500; margin-top: var(--spacing-8); }
.work-grid.four .work-body { padding: var(--spacing-19); }
.work-grid.four .work-body h3 { font-size: var(--text-body-sm); }
.work-body p { font-size: var(--text-body-sm); line-height: var(--leading-body-sm); opacity: .72; flex: 1; }
.work-grid.four .work-body p { font-size: var(--text-caption); line-height: 1.55; }
.work-meta { display: flex; gap: var(--spacing-8); flex-wrap: wrap; align-items: center; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .5; margin-top: var(--spacing-15); padding-top: var(--spacing-8); border-top: 1px solid color-mix(in oklab, var(--color-ash) 60%, transparent); }
.work-card .work-cta {
  display: inline-flex; align-items: center; gap: 8px; margin-top: var(--spacing-15);
  font-family: var(--font-display); font-size: var(--text-caption);
  letter-spacing: 0.05em; text-transform: uppercase;
}
.work-card .work-cta .arr { transition: transform .3s cubic-bezier(.2,.6,.2,1); display: inline-block; }
.work-card:hover .work-cta .arr { transform: translateX(8px); }
.work-card.is-placeholder { background: var(--color-paper); background-image: repeating-linear-gradient(-45deg, transparent, transparent 9px, rgba(29,29,29,.06) 9px, rgba(29,29,29,.06) 10px); }
.work-note { display: flex; flex-direction: column; justify-content: center; gap: var(--spacing-15); padding: var(--spacing-30); border: 1px dashed var(--color-ash); background: var(--color-paper); font-size: var(--text-body-sm); line-height: 1.6; opacity: .8; }

/* 关键观点列表 */
.views-label { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .55; margin-top: var(--spacing-8); }
.view-list { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.view-list li { font-size: var(--text-caption); line-height: 1.55; padding-left: 16px; position: relative; opacity: .8; }
.view-list li::before { content: "—"; position: absolute; left: 0; color: var(--color-ash); }
.work-grid .quote-line { font-size: var(--text-caption); line-height: 1.6; border-left: 1px solid var(--color-ash); padding: 6px 0 6px var(--spacing-15); margin-top: var(--spacing-8); font-style: normal; opacity: .8; }

/* ─── Marquee（认证滚动带）──────────────────────────────────── */
.marquee-wrap { overflow: hidden; border-block: 1px solid var(--color-ash); padding-block: clamp(19px, 2.4vw, 32px); position: relative; }
.marquee-wrap::before, .marquee-wrap::after { content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none; }
.marquee-wrap::before { left: 0; background: linear-gradient(90deg, var(--color-parchment), transparent); }
.marquee-wrap::after { right: 0; background: linear-gradient(-90deg, var(--color-parchment), transparent); }
.marquee { display: flex; width: max-content; gap: var(--spacing-46); animation: marquee 46s linear infinite; }
.marquee-wrap:hover .marquee { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-50% - var(--spacing-46) / 2)); } }
.badge { display: flex; align-items: baseline; gap: var(--spacing-8); white-space: nowrap; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.05em; }
.badge svg { display: none; }
.badge b { font-size: clamp(18px, 2vw, 28px); font-weight: 400; letter-spacing: 0.006em; }
.badge span { font-size: var(--text-caption); letter-spacing: 0.05em; opacity: .5; }
@media (prefers-reduced-motion: reduce) { .marquee { animation: none; } .marquee-wrap { overflow-x: auto; } }

/* ─── Founder / two-column intro block ──────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1.6fr; gap: var(--spacing-76); align-items: start; }
.two-col > .col-label .ghost-link { margin-top: var(--spacing-19); }
@media (max-width: 920px) { .two-col { grid-template-columns: 1fr; gap: var(--spacing-32); } }

/* ─── Capability cells ──────────────────────────────────────── */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--color-ash); border: 1px solid var(--color-ash); }
.cap-cell { background: var(--color-paper); padding: clamp(19px, 2.6vw, 46px); transition: background-color .3s ease; position: relative; }
.cap-cell:hover { background: #f4f3f0; }
.cap-cell .no { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .45; }
.cap-cell h3 { margin-top: var(--spacing-15); font-size: clamp(20px, 2vw, var(--text-heading-sm)); line-height: 1.1; letter-spacing: 0.006em; font-family: var(--font-display); font-weight: 400; }
.cap-cell .cap-en { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .5; margin-top: 6px; }
.cap-cell p { font-size: var(--text-body-sm); line-height: var(--leading-body-sm); opacity: .8; margin-top: var(--spacing-15); }
.cap-tags { display: flex; flex-wrap: wrap; gap: var(--spacing-8); margin-top: var(--spacing-19); }
@media (max-width: 920px) { .cap-grid { grid-template-columns: 1fr; } }

/* 通用 tag（幽灵描边，10px radius） */
.tag {
  display: inline-flex; align-items: center; padding: var(--spacing-5) var(--spacing-15);
  border: 1px solid var(--color-ash); border-radius: var(--radius-links);
  font-family: var(--font-display); font-size: var(--text-caption);
  letter-spacing: 0.05em; text-transform: uppercase; opacity: .75;
  transition: border-color .2s ease, opacity .2s ease;
}
.tag:hover { border-color: var(--color-ink); opacity: 1; }

/* ─── CTA strip ─────────────────────────────────────────────── */
.cta-strip { position: relative; overflow: clip; }
.cta-strip .display { max-width: 14ch; }
.cta-sub { margin-top: var(--spacing-30); max-width: 46ch; font-size: var(--text-body); opacity: .8; }
.cta-actions { margin-top: var(--spacing-46); display: flex; gap: var(--spacing-32); flex-wrap: wrap; }

/* ─── Footer ────────────────────────────────────────────────── */
.pagefoot { border-top: 1px solid var(--color-ash); padding-block: clamp(46px, 6vw, 76px) var(--spacing-32); font-size: var(--text-body-sm); }
.pagefoot .foot-grid { display: flex; justify-content: space-between; gap: var(--spacing-32); flex-wrap: wrap; margin-bottom: clamp(32px, 4vw, 76px); }
.pagefoot .foot-links { display: flex; gap: var(--spacing-19); align-items: center; flex-wrap: wrap; }
.pagefoot .foot-links a { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; transition: opacity .2s; }
.pagefoot .foot-links a:hover { opacity: 1; }
.pagefoot .disclaim { max-width: 72ch; font-size: var(--text-caption); line-height: var(--leading-caption); letter-spacing: var(--tracking-caption); opacity: .55; border-top: 1px solid var(--color-ash); padding-top: var(--spacing-19); }
.pagefoot .icp { margin-top: var(--spacing-8); font-size: var(--text-caption); letter-spacing: var(--tracking-caption); opacity: .9; }
.pagefoot .icp a { color: inherit; text-decoration: none; }
.pagefoot .icp a:hover { text-decoration: underline; }

/* ─── Reveal（滚动显现：自下 26px 淡入，编辑式克制）────────── */
.rv { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.16,.8,.24,1), transform .9s cubic-bezier(.16,.8,.24,1); }
.rv.in { opacity: 1; transform: none; }
.rv.d1 { transition-delay: .08s; } .rv.d2 { transition-delay: .16s; } .rv.d3 { transition-delay: .24s; } .rv.d4 { transition-delay: .32s; }
/* 遮罩行显现（标题逐行上推）— padding/margin 补偿 0.8 行高下被裁的字面 */
.mask-line { display: block; overflow: hidden; padding-bottom: .32em; margin-bottom: -.32em; }
.mask-line > .mw { display: block; transform: translateY(120%); transition: transform 1s cubic-bezier(.16,.8,.24,1); }
.mask-line.in > .mw, .in .mask-line > .mw { transform: translateY(0); }
/* 卡片网格入场：整排 clip 上推 */
.grid-reveal { clip-path: inset(0 0 100% 0); transition: clip-path 1.1s cubic-bezier(.16,.8,.24,1); }
.grid-reveal.in { clip-path: inset(0 0 0 0); }

/* ─── Custom cursor（墨点 + 环，编辑式）────────────────────── */
.cur, .cur-ring { position: fixed; top: 0; left: 0; z-index: 90; pointer-events: none; border-radius: 50%; transform: translate(-50%, -50%); opacity: 0; transition: opacity .3s ease; }
.cur { width: 5px; height: 5px; background: var(--color-ink); }
.cur-ring { width: 34px; height: 34px; border: 1px solid color-mix(in oklab, var(--color-ink) 45%, transparent); display: grid; place-items: center; transition: width .2s ease, height .2s ease, opacity .3s ease, background .2s ease; }
.cur-ring em { font-style: normal; font-family: var(--font-display); font-size: 8.5px; letter-spacing: .1em; text-transform: uppercase; opacity: 0; }
.cur.on, .cur-ring.on { opacity: 1; }
.cur-ring.big { width: 68px; height: 68px; background: var(--color-ink); color: var(--color-parchment); border-color: transparent; }
.cur-ring.big em { opacity: 1; }
@media (pointer: coarse) { .cur, .cur-ring { display: none; } }

/* ─── 详情页 / 文章块通用 ───────────────────────────────────── */
.article-shell { max-width: 860px; margin-inline: auto; }
.prose p, .prose li { font-size: var(--text-body); line-height: 1.7; letter-spacing: var(--tracking-body); }
.prose { display: flex; flex-direction: column; gap: var(--spacing-19); }
.prose h3 { font-family: var(--font-display); font-size: var(--text-subheading); letter-spacing: var(--tracking-subheading); font-weight: 400; margin-top: var(--spacing-46); }
.prose blockquote { margin: var(--spacing-30) 0; padding-left: var(--spacing-30); border-left: 1px solid var(--color-ink); font-size: var(--text-body); line-height: 1.6; opacity: .85; }
.detail-diagram { background: var(--color-paper); background-image: linear-gradient(rgba(29,29,29,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(29,29,29,.045) 1px, transparent 1px); background-size: 28px 28px; border: 1px solid var(--color-ash); padding: var(--spacing-30); }
.back-link { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; padding-block: var(--spacing-5); }
.back-link:hover .arr { transform: translateX(-6px); }
.back-link .arr { display: inline-block; transition: transform .3s ease; }

/* ─── 作品页：筛选与结果计数 ────────────────────────────────── */
.filter-bar { display: flex; flex-direction: column; gap: var(--spacing-19); margin-bottom: var(--spacing-46); }
.filter-row { display: flex; gap: var(--spacing-8); flex-wrap: wrap; align-items: center; }
.filter-row .row-cap { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .5; width: 72px; flex: none; }
.f-btn, .tg-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display);
  font-size: var(--text-caption); font-weight: 400;
  letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--color-ink);
  border: 1px solid var(--color-ink); border-radius: var(--radius-links);
  padding: 8px 19px; background: transparent;
  transition: background .25s ease, color .25s ease;
}
.f-btn:hover, .tg-btn:hover { background: var(--color-ink); color: var(--color-parchment); }
.f-btn[aria-pressed="true"], .tg-btn[aria-pressed="true"] { background: var(--color-ink); color: var(--color-parchment); }
.f-btn .cnt, .tg-btn .cnt { font-variant-numeric: tabular-nums; opacity: .55; }
.result-line { display: flex; justify-content: space-between; align-items: baseline; gap: var(--spacing-19); margin-bottom: var(--spacing-30); font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; }
#empty, .empty { display: none; padding: var(--spacing-76) 0; text-align: center; font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.05em; font-size: var(--text-body-sm); opacity: .5; }
#empty.on, .empty.on { display: block; }

/* ─── 详情页 ────────────────────────────────────────────────── */
.read-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--color-ink); z-index: 70; }
.crumb { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .55; display: flex; gap: 10px; align-items: center; }
.detail-head { padding-block: clamp(119px, 14vw, 180px) var(--spacing-46); position: relative; overflow: clip; }
.type-badge { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: var(--spacing-30); }
.type-badge i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: #78bae6; }
.detail-title { font-family: var(--font-display); font-size: clamp(26px, 3.6vw, 46px); line-height: 1.12; letter-spacing: 0.002em; font-weight: 400; }
.detail-title-en { font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .5; margin-top: var(--spacing-15); }
.head-meta { display: flex; gap: var(--spacing-19); flex-wrap: wrap; align-items: center; margin-top: var(--spacing-30); font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; }
.lead { font-size: var(--text-body); line-height: 1.7; max-width: 62ch; margin-top: var(--spacing-32); opacity: .85; }
.points { display: flex; flex-direction: column; gap: var(--spacing-15); margin-top: var(--spacing-19); }
.points li { position: relative; padding-left: 28px; font-size: var(--text-body-sm); line-height: 1.6; }
.points li .n { position: absolute; left: 0; top: 1px; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; opacity: .45; }
.outline-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; border-top: 1px solid var(--color-ash); }
.outline-list li { border-bottom: 1px solid var(--color-ash); padding: var(--spacing-15) 0; position: relative; font-family: var(--font-display); font-size: var(--text-body-sm); letter-spacing: 0.006em; }
.datahl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-ash); border: 1px solid var(--color-ash); margin-top: var(--spacing-32); }
.datahl > div { background: var(--color-paper); padding: var(--spacing-30); }
.datahl .v { font-family: var(--font-display); font-size: clamp(30px, 3.4vw, 46px); line-height: 1; letter-spacing: 0.006em; }
.datahl p { font-size: var(--text-caption); line-height: var(--leading-caption); letter-spacing: var(--tracking-caption); opacity: .65; margin-top: var(--spacing-8); }
@media (max-width: 860px) { .datahl { grid-template-columns: 1fr; } }
.diagram-card { background: var(--color-paper); background-image: linear-gradient(rgba(29,29,29,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(29,29,29,.045) 1px, transparent 1px); background-size: 28px 28px; border: 1px solid var(--color-ash); padding: clamp(19px, 3vw, var(--spacing-46)); margin-top: var(--spacing-32); }
.diagram-card figcaption, .diagram-cap { font-size: var(--text-caption); line-height: 1.6; letter-spacing: var(--tracking-caption); opacity: .6; margin-top: var(--spacing-19); }
.quote-line, .quote-card { font-family: var(--font-display); font-size: clamp(19px, 2.2vw, 28px); line-height: 1.35; letter-spacing: 0.006em; border-left: 1px solid var(--color-ink); padding: var(--spacing-8) 0 var(--spacing-8) var(--spacing-30); margin-block: var(--spacing-32); max-width: 46ch; }
.quote-ctx { display: block; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .5; margin-top: var(--spacing-8); }
.src-row { display: flex; gap: var(--spacing-19); align-items: center; flex-wrap: wrap; border-block: 1px solid var(--color-ash); padding-block: var(--spacing-30); margin-top: var(--spacing-76); font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; }
.next-row { border-top: 1px solid var(--color-ash); margin-top: var(--spacing-76); padding-top: var(--spacing-46); display: flex; justify-content: space-between; gap: var(--spacing-19); flex-wrap: wrap; align-items: baseline; }
.author-card { display: flex; gap: var(--spacing-19); align-items: center; border: 1px solid var(--color-ash); background: var(--color-paper); padding: var(--spacing-30); margin-top: var(--spacing-76); }
.author-card .ava { width: 54px; height: 54px; border-radius: 50%; background: var(--gradient-iridescent-sphere); flex: none; }
.author-card .a-name { font-family: var(--font-display); font-size: var(--text-body-sm); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.author-card p { font-size: var(--text-caption); line-height: 1.6; opacity: .65; margin-top: 5px; }

/* ═══ OFF+BRAND 签名动效层（复刻录屏观感，遵循 DESIGN.md 体系）═══ */

/* 纸感噪点（印刷隐喻） */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 95; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

/* ── 0. 开场 Loader：morph 记号 + BUILD 计数 + 羊皮纸揭幕 ── */
.od-loader { position: fixed; inset: 0; z-index: 200; background: var(--color-parchment); display: grid; place-items: center; transition: clip-path .9s cubic-bezier(.76,0,.24,1); clip-path: inset(0 0 0 0); }
.od-loader.out { clip-path: inset(0 0 100% 0); }
.od-loader.done { display: none; }
.od-mark { position: relative; width: 96px; height: 96px; }
.od-mark i { position: absolute; background: var(--color-ink); border-radius: 40px; transform-origin: center; }
.od-mark .v { left: 50%; top: 0; bottom: 0; width: 14px; translate: -50% 0; }
.od-mark .h { top: 50%; left: 0; right: 0; height: 14px; translate: 0 -50%; }
.od-mark .d { width: 14px; height: 14px; border-radius: 50%; right: -34px; bottom: -6px; left: auto; top: auto; translate: 0 0;
  background: var(--gradient-iridescent-sphere); animation: od-dot-hue 2s linear infinite; }
@keyframes od-dot-hue { to { filter: hue-rotate(360deg); } }
.od-mark { animation: od-morph 1.6s cubic-bezier(.76,0,.24,1) infinite; }
@keyframes od-morph {
  0%   { transform: rotate(0deg) scale(1); }
  25%  { transform: rotate(45deg) scale(.82); }
  50%  { transform: rotate(90deg) scale(1); }
  75%  { transform: rotate(135deg) scale(.82); }
  100% { transform: rotate(180deg) scale(1); }
}
.od-build { position: absolute; left: 50%; bottom: -46px; translate: -50% 0; font-family: var(--font-display); font-size: var(--text-caption); letter-spacing: 0.05em; text-transform: uppercase; opacity: .6; white-space: nowrap; }

/* ── 1. 灵动虹彩球体：光滑色团 + 不规律随机波光高光 + 边缘冒泡消散 + 呼吸 ── */
.sphere {
  --sx: 0px; --sy: 0px; --grow-s: 1; --grow-y: 0px; --grow-blur: 0px; --ex: 0px; --ey: 0px; --es: 1;
  transform: translate3d(calc(var(--sx) + var(--ex)), calc(var(--sy) + var(--grow-y) + var(--ey)), 0) scale(calc(var(--grow-s) * var(--es)));
  will-change: transform, opacity, filter;
  border-radius: 50%;
  transition: opacity .5s ease;
}
/* 裁切层：清晰圆边靠 overflow 裁色团；缓慢胀缩＝呼吸节律 */
.sphere > .orb-core {
  position: absolute; inset: 0; border-radius: 50%; overflow: hidden;
  filter: blur(var(--grow-blur)) saturate(1.06);
  animation: orb-breathe 7.5s ease-in-out infinite;
  will-change: transform;
}
@keyframes orb-breathe {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.038); }
}
/* 内核：三层超大柔焦色团各自轨道旋转 → 光滑大理石 swirl（无规律错相，永不重合成同帧） */
.sphere > .orb-core > .orb-layer {
  position: absolute; inset: -42%;
  border-radius: 50%;
  filter: blur(34px);
  will-change: transform;
  mix-blend-mode: normal;
}
.sphere > .orb-core > .orb-layer.l1 {
  background:
    radial-gradient(38% 38% at 34% 34%, #f06ba8 0%, rgba(240,107,168,0) 62%),
    radial-gradient(40% 40% at 68% 68%, #78bae6 0%, rgba(120,186,230,0) 64%);
  animation: orb-a 11s ease-in-out infinite alternate;
}
.sphere > .orb-core > .orb-layer.l2 {
  background:
    radial-gradient(36% 36% at 66% 32%, #facb00 0%, rgba(250,203,14,0) 62%),
    radial-gradient(42% 42% at 32% 70%, #a259ff 0%, rgba(162,89,255,0) 64%);
  animation: orb-b 14s ease-in-out infinite alternate;
}
.sphere > .orb-core > .orb-layer.l3 {
  background:
    radial-gradient(52% 52% at 52% 50%, #f6c3cf 0%, rgba(246,195,207,0) 72%),
    radial-gradient(30% 30% at 50% 40%, #fff2c2 0%, rgba(255,242,194,0) 60%);
  animation: orb-c 17s ease-in-out infinite alternate;
}
@keyframes orb-a {
  0%   { transform: rotate(-10deg) translateX(10%)  scale(1.0); }
  50%  { transform: rotate(40deg)  translateX(-9%)  scale(1.2); }
  100% { transform: rotate(84deg)  translateX(10%)  scale(1.04); }
}
@keyframes orb-b {
  0%   { transform: rotate(8deg)   translateX(-11%) scale(1.14); }
  50%  { transform: rotate(-40deg) translateX(9%)   scale(1.0); }
  100% { transform: rotate(-86deg) translateX(-9%)  scale(1.2); }
}
@keyframes orb-c {
  0%   { transform: rotate(16deg)  scale(1.0); }
  100% { transform: rotate(-34deg) scale(1.24); }
}
/* 不规律随机波光高光：JS 在球面随机位置闪现 .orb-glint，忽明忽灭（screen 叠色），拒绝规律射线 */
.sphere > .orb-core > .orb-glints { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.orb-glint {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,1) 0%, rgba(255,255,255,.7) 22%, rgba(255,255,255,.12) 48%, rgba(255,255,255,0) 72%);
  mix-blend-mode: screen; will-change: transform, opacity;
}
.orb-glint.cool { background: radial-gradient(circle at 50% 50%, rgba(236,250,255,1) 0%, rgba(190,232,250,.66) 24%, rgba(150,210,235,.14) 50%, rgba(150,210,235,0) 74%); }
.orb-glint.warm { background: radial-gradient(circle at 50% 50%, rgba(255,251,238,1) 0%, rgba(255,232,180,.62) 24%, rgba(255,214,150,.14) 50%, rgba(255,214,150,0) 74%); }
/* 球面立体明暗：仅极柔环境暗部 + 边缘彩环，去掉固定白斑 */
.sphere > .orb-shade {
  position: absolute; inset: 0; border-radius: 50%; pointer-events: none; z-index: 4;
  background:
    radial-gradient(120% 120% at 62% 78%, rgba(70,32,44,.15), rgba(70,32,44,0) 52%),
    radial-gradient(100% 100% at 50% 50%, rgba(0,0,0,0) 80%, rgba(255,255,255,.06) 90%, rgba(120,186,230,.10) 95%, rgba(0,0,0,0) 100%);
}
/* 边缘冒泡消散：气泡从球缘冒出、上浮渐大后破裂；落在裁切层之外的独立层 */
.sphere > .orb-bubbles { position: absolute; inset: -34%; z-index: 5; pointer-events: none; overflow: visible; }
.orb-bubble {
  position: absolute; border-radius: 50%; will-change: transform, opacity;
  background:
    radial-gradient(circle at 32% 27%, rgba(255,255,255,.95), rgba(255,255,255,0) 46%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,.4), rgba(255,255,255,0) 46%),
    var(--gradient-iridescent-sphere);
  box-shadow: 0 3px 9px rgba(40,40,60,.26), inset 0 0 6px rgba(255,255,255,.55);
  opacity: 0;
  animation-name: orb-bubble-fly; animation-timing-function: linear; animation-fill-mode: forwards;
}
@keyframes orb-bubble-fly {
  0%   { opacity: 0;  transform: translate(-50%,-50%) translate(0,0) scale(.55); }
  16%  { opacity: 1; }
  70%  { opacity: .92; }
  100% { opacity: 0;  transform: translate(-50%,-50%) translate(var(--bx), var(--by)) scale(1.5); }
}
.od-liquid-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.rings { transform: translate3d(calc(var(--sx, 0px) * -0.4), calc(var(--sy, 0px) * -0.4), 0); }
/* 全页彩球：无 hero 球的页面自动注入到首屏 section */
.orb-host { position: relative; overflow: clip; }
.orb-host > .container { position: relative; z-index: 2; }
.page-orb { top: 6%; right: -8vw; translate: 0 0; width: min(46vw, 580px); }
@media (max-width: 920px) { .page-orb { width: 74vw; right: -24vw; top: 2%; } }

/* ── 2. hero 巨型标题：逐字遮罩入场 + 滚动打散（kinetic type） ── */
.hero-statement .mask-line { display: block; overflow: hidden; padding-bottom: .32em; margin-bottom: -.32em; }
.hero-statement .w { display: block; transform: translateY(120%); transition: transform 1s cubic-bezier(.16,.8,.24,1); }
.hero-statement.loaded .w { transform: translateY(0); }
.hero-statement .cw { display: inline-block; white-space: nowrap; }
/* letters-mode：改由逐字母飞入，取消整行裁切与上升 */
.hero-statement.letters-mode .mask-line { overflow: visible; padding-bottom: 0; margin-bottom: 0; }
.hero-statement.letters-mode .w { transform: none !important; }
.hero-statement .c { display: inline-block; will-change: transform;
  transform: translate(calc(var(--dx, 0) * var(--p, 0) * 1px), calc(var(--dy, 0) * var(--p, 0) * 1px)) rotate(calc(var(--dr, 0) * var(--p, 0) * 1deg)) scale(calc(1 - .18 * var(--p, 0)));
  opacity: calc(1 - var(--p, 0)); }

/* ── 3. 逐字解码 scramble（标牌/小字，博物馆显像管感） ── */
.scramble { white-space: pre-wrap; }

/* ── 4. 作品卡 hover 角标 + 号（录屏 signature；hover 放大用基类的 scale 属性） ── */
.work-card::before {
  content: "+"; position: absolute; right: 16px; bottom: 14px; z-index: 4;
  font-family: var(--font-display); font-size: 24px; line-height: 1; font-weight: 400;
  color: var(--color-ink); opacity: 0; transform: translateY(8px) rotate(-90deg);
  transition: opacity .35s ease, transform .45s cubic-bezier(.16,.8,.24,1); pointer-events: none;
}
.work-card:hover::before { opacity: .8; transform: none; }

/* 走马灯卡片级联：整列带透视，卡片自右侧带轻微 3D 转面依次入列 */
.work-grid { perspective: 1600px; }
.work-card.card-cad { opacity: 0; transform: translateX(60px) rotateY(-14deg); }
.work-card.card-cad.in { opacity: 1; transform: none; transition: opacity .7s cubic-bezier(.16,.8,.24,1), transform .8s cubic-bezier(.16,.8,.24,1); }

/* ── 6. section label 自左擦入 ── */
.label { clip-path: inset(0 100% 0 0); transition: clip-path .9s cubic-bezier(.16,.8,.24,1); }
.label.in { clip-path: inset(0 0 0 0); }

/* ── 7. 作品封面：幕布掀起 + 图内缓慢推近 ── */
.work-cover { clip-path: inset(100% 0 0 0); transition: clip-path 1s cubic-bezier(.16,.8,.24,1); }
.work-card.in .work-cover, .in .work-cover, .work-cover.in { clip-path: inset(0 0 0 0); }
.work-cover > svg { transform: scale(1.14); transition: transform 4.5s cubic-bezier(.16,.8,.24,1); }
.work-card.in .work-cover > svg, .in .work-cover > svg, .work-cover.in > svg { transform: scale(1); }

/* ── 8. SCROLL 指示：滚动后淡出 ── */
.scroll-indicator { transition: opacity .5s ease; }
.scroll-indicator.hide { opacity: 0; }

/* ── 9. 页内锚点避让顶栏 ── */
section[id], div[id] { scroll-margin-top: 90px; }

/* ── 10. 页转场：羊皮纸横扫幕 ── */
.page-curtain { position: fixed; inset: 0; z-index: 100; background: var(--color-parchment); transform: scaleX(0); transform-origin: left; pointer-events: none; transition: transform .5s cubic-bezier(.7,0,.3,1); }
.page-curtain.on { transform: scaleX(1); pointer-events: all; }
/* 入口揭幕：初始整幅覆盖（无过渡），移除类后向右揭开，与出口幕形成一次连续横扫 */
.page-curtain.enter { transform: scaleX(1); transform-origin: right; transition: none; }
.page-curtain.enter:not(.enter) {}

/* ── 11. 数字带等宽防抖 ── */
.stat-num .count { font-variant-numeric: tabular-nums; }

/* ═══ 12. 封面卡片（works 瀑布流 + index 精选，共享）：封面为主 · 悬停翻面 · 统一虹彩色系 ═══ */
.mag-card {
  position: relative; display: block; text-decoration: none; color: inherit;
  perspective: 1500px; min-height: 420px; will-change: transform, opacity;
  transition: transform .62s cubic-bezier(.2,.72,.2,1), opacity .5s ease;
}
.mag-card[hidden] { display: none; }
.works-mag { position: relative; width: 100%; }
.works-mag .mag-card { position: absolute; top: 0; left: 0; width: 33.33%; height: 440px; }
/* index 精选：静态网格 */
.mag-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 1080px) { .mag-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px) { .mag-grid { grid-template-columns: 1fr; } }
.mc-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .72s cubic-bezier(.2,.78,.24,1); }
.mag-card:hover .mc-inner { transform: rotateY(180deg); }
.mc-face { position: absolute; inset: 0; border-radius: 12px; overflow: hidden; backface-visibility: hidden; -webkit-backface-visibility: hidden; display: flex; flex-direction: column; }

/* 正面：封面 */
.mc-front { padding: 22px 22px 18px; justify-content: flex-end; color: #26231c; isolation: isolate; }
.mc-front::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background-image: linear-gradient(currentColor 1px, transparent 1px), linear-gradient(90deg, currentColor 1px, transparent 1px); background-size: 26px 26px; mix-blend-mode: soft-light; opacity: .09; }
.mc-skin { position: absolute; inset: 0; z-index: 0; }
.mc-diagram { position: absolute; inset: 0; z-index: 1; opacity: .2; pointer-events: none; display: grid; place-items: center; }
.mc-diagram .work-cover { position: absolute; inset: 0; clip-path: none !important; background: none !important; border: none !important; }
.mc-diagram .work-cover svg { transform: none !important; width: 88%; height: auto; position: relative; }
.mc-idx { position: absolute; top: 14px; left: 20px; z-index: 2; font-family: var(--font-display); font-weight: 700; font-size: clamp(42px, 5.2vw, 66px); line-height: 1; letter-spacing: -.02em; opacity: .16; }
.mc-kind { position: relative; z-index: 2; margin-bottom: 10px; }
.mc-front h3 { position: relative; z-index: 2; margin: 0; font-family: var(--font-display); font-weight: 500; font-size: clamp(19px, 1.7vw, 24px); line-height: 1.24; letter-spacing: .004em; }
.mc-plus { position: absolute; right: 18px; bottom: 14px; z-index: 2; font-family: var(--font-display); font-size: 26px; line-height: 1; opacity: .6; transition: transform .4s cubic-bezier(.16,.8,.24,1); }
.mag-card:hover .mc-plus { transform: rotate(90deg); }
.mc-hint { position: absolute; left: 20px; bottom: 16px; z-index: 2; font-family: var(--font-display); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; opacity: 0; }
.mc-kind .chip-type { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-display); font-size: 11px; letter-spacing: .09em; text-transform: uppercase; opacity: .82; }
.mc-kind .chip-type i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.mc-kind .chip-type.t-article i { background: #4f7fa6; }
.mc-kind .chip-type.t-asset i { background: #4f9a72; }
.mc-kind .chip-type.t-skill i { background: var(--gradient-iridescent-sphere); }

/* 背面：要点（全部原文案，逐字保留） */
.mc-back { transform: rotateY(180deg); background: #f7f6f2; color: #1d1d1d; border: 1px solid #d7d6d1; }
.mc-back-in { display: flex; flex-direction: column; gap: 9px; height: 100%; padding: 20px 20px 18px; overflow: hidden; }
.mc-back-head { display: flex; flex-direction: column; gap: 7px; padding-bottom: 10px; border-bottom: 1px solid #e2e1dc; }
.mc-back-head .chip-type { display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-display); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; opacity: .7; }
.mc-back-head .chip-type i { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.mc-back-head .chip-type.t-article i { background: #4f7fa6; }
.mc-back-head .chip-type.t-asset i { background: #4f9a72; }
.mc-back-head .chip-type.t-skill i { background: var(--gradient-iridescent-sphere); }
.mc-back-head h3 { margin: 0; font-family: var(--font-display); font-weight: 600; font-size: 15.5px; line-height: 1.26; }
.mc-back-in > p:not(.quote-line) { margin: 0; font-size: 12.5px; line-height: 1.5; opacity: .8; }
.mc-back-in .views-label { font-family: var(--font-display); font-size: 10px; letter-spacing: .09em; text-transform: uppercase; opacity: .5; margin-top: 2px; }
.mc-back-in .view-list { display: flex; flex-direction: column; gap: 5px; margin: 0; padding: 0; list-style: none; }
.mc-back-in .view-list li { font-size: 11.5px; line-height: 1.45; padding-left: 15px; position: relative; opacity: .82; }
.mc-back-in .view-list li::before { content: "—"; position: absolute; left: 0; color: #a9a8a2; }
.mc-back-in .quote-line { font-family: var(--font-display); font-size: 12.5px; line-height: 1.4; border-left: 2px solid #b98a5a; padding: 2px 0 2px 11px; margin: 2px 0 0; opacity: .9; max-width: none; }
.mc-back-in .work-meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: auto; padding-top: 9px; border-top: 1px solid #e2e1dc; font-family: var(--font-display); font-size: 9.5px; letter-spacing: .05em; text-transform: uppercase; opacity: .5; }
.mc-back-in .work-cta { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: #9a6a3a; }
.mc-back-in .work-cta .arr { transition: transform .3s cubic-bezier(.2,.6,.2,1); }

/* 统一虹彩粉彩色系（全部浅底深字，取自球体光谱，呼应主题） */
.mag-card[data-cover="paper"]  .mc-skin { background: linear-gradient(158deg, #f7e39a, #f0cf6e); }
.mag-card[data-cover="coral"]  .mc-skin { background: linear-gradient(158deg, #f6c2a6, #ef9f80); }
.mag-card[data-cover="ink"]    .mc-skin { background: linear-gradient(158deg, #cdb2ec, #b191e0); }
.mag-card[data-cover="sky"]    .mc-skin { background: linear-gradient(158deg, #abd3ef, #85b7e6); }
.mag-card[data-cover="sand"]   .mc-skin { background: linear-gradient(158deg, #f8d4b1, #f2bd8e); }
.mag-card[data-cover="plum"]   .mc-skin { background: linear-gradient(158deg, #e7b6dc, #d593ce); }
.mag-card[data-cover="mint"]   .mc-skin { background: linear-gradient(158deg, #a9dcc5, #7ec4a5); }
.mag-card[data-cover="blue"]   .mc-skin { background: linear-gradient(158deg, #b4bdf0, #93a1e6); }
.mag-card[data-cover="navy"]   .mc-skin { background: linear-gradient(158deg, #a7dbe2, #7ec3cf); }
.mag-card[data-cover="pearl"]  .mc-skin { background: linear-gradient(158deg, #f4bccf, #ea98b7); }
.mag-card[data-cover="gold"]   .mc-skin { background: linear-gradient(158deg, #d0e0a7, #b1c98a); }

/* featured morph：最居中一张浮起放大，其余轻微退让但保持彩色（不再去饱和） */
.mag-card.is-featured { transform: translateY(-10px) scale(1.04); z-index: 15; }
.mag-card.is-featured .mc-inner { box-shadow: 0 26px 48px -18px rgba(30,28,40,.4), 0 6px 15px -8px rgba(30,28,40,.28); }
.mag-card.is-dim { transform: scale(.985); opacity: .9; }
.mag-card:hover { opacity: 1 !important; z-index: 16; }

/* 触屏/降级：关闭翻面与 morph */
@media (hover: none) { .mag-card:hover .mc-inner { transform: none; } }
@media (max-width: 680px) { .works-mag .mag-card { transition: none; } .mag-card.is-featured, .mag-card.is-dim { transform: none; opacity: 1; box-shadow: none; } }

/* ─── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .rv { opacity: 1; transform: none; }
  .mask-line > .mw, .hero-statement .w { transform: none; filter: none; }
  .grid-reveal { clip-path: none; }
  .sphere { transform: none; filter: none; }
  .sphere > .orb-core { animation: none; filter: none; }
  .orb-glint, .orb-bubble { display: none; }
  .mag-card { transition: none; }
  .mc-inner { transition: none; }
  .mag-card:hover .mc-inner { transform: none; }
  .mag-card.is-featured, .mag-card.is-dim { transform: none; opacity: 1; box-shadow: none; }
  .label { clip-path: none; }
  .hero-statement .c { transform: none !important; opacity: 1; }
  .od-loader { display: none; }
  .work-card.card-cad { opacity: 1; transform: none; }
  .work-cover { clip-path: none; }
  .work-cover > svg { transform: none; }
  .page-curtain { display: none; }
  .cur, .cur-ring { display: none; }
  body { cursor: auto; } button { cursor: pointer; }
}

/* 备案号：ICP 与公安号文字常驻；仅警徽图标默认隐形(visibility 保留占位→不跳动)，鼠标移到页脚/键盘聚焦页脚才显形 */
.icp{font-size:12px;line-height:1.7;margin-top:6px;color:#565b58;}
.icp a{color:inherit;opacity:.9;text-decoration:none;border-bottom:1px solid transparent;transition:opacity .18s ease,border-color .18s ease;}
.icp a:hover,.icp a:focus-visible{opacity:1;border-bottom-color:currentColor;}
.gongan-ico{display:inline;visibility:hidden;opacity:0;transition:opacity .18s ease;}
.pagefoot:hover .gongan-ico,.pagefoot:focus-within .gongan-ico{visibility:visible;opacity:1;}