/* ============================================================
   CHERISH CHEN — Editorial Portfolio × AIGC Future
   基线：保存版（顶部视频部分逐字保留，未做任何修改）
   其下：Editorial Design System 全量重建
   ============================================================ */

/* ============================================================
   【保留区】顶部品牌视觉 · 视频部分（来自保存版，逐字未改）
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow: hidden;
  isolation: isolate;
  background: #050a18; /* 视频/图外深色兜底 */
}

.hero__media {
  position: relative;
  width: 100%;
  z-index: 0;
  display: grid;          /* 关键：用 grid 单 cell 重叠两个媒体 */
  background: #050a18;
  line-height: 0;
}
.hero__media > * {
  grid-area: 1 / 1;       /* 所有子元素占用同一 grid cell，自然重叠 */
}
.hero__video,
.hero__poster {
  /* 关键：宽度撑满视口，高度严格按封面图 1920:1137 等比缩放 */
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 1137;  /* 强制视频与封面图同比例 */
  object-fit: cover;           /* 撑满 cell，无 letterbox */
  object-position: center;
  transition: opacity 0.8s ease;
  min-width: 0;
  min-height: 0;
}
/* —— 视频与封面图叠在同一位置 —— */
.hero__video {
  position: relative;
  z-index: 2;
}
.hero__poster {
  position: relative;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
}
.hero__media.is-ended .hero__video { opacity: 0; }
.hero__media.is-ended .hero__poster { opacity: 1; pointer-events: auto; }

.hero__veil {
  /* 仅作为视频顶部极轻暗化（不污染底部 app 条），让顶部导航文字更可读 */
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(26, 18, 48, 0.35) 0%, rgba(26, 18, 48, 0) 25%);
}
/* 【保留区结束】 */

/* ============ DESIGN TOKENS ============ */
:root {
  /* —— Color: Neutral Base —— */
  --bg:            #F6F6F2;
  --surface:       #FFFFFF;
  --ink:           #0D0E11;
  --ink-2:         #727780;
  --hairline:      rgba(13, 14, 17, 0.10);
  --hairline-soft: rgba(13, 14, 17, 0.06);

  /* —— Color: AIGC Digital Accent —— */
  --indigo:   #626DFF;
  --violet:   #9275FF;
  --ice:      #85DFFF;
  --grad:     linear-gradient(135deg, #626DFF 0%, #9275FF 50%, #85DFFF 100%);

  /* —— Color: Night —— */
  --night-bg:      #090B10;
  --night-surface: #11141C;
  --night-text:    #F5F5F2;
  --night-ink-2:   rgba(245, 245, 242, 0.55);
  --night-line:    rgba(245, 245, 242, 0.10);

  /* —— Color: Champagne（<5%）—— */
  --champagne: #C7B58A;

  /* —— Typography —— */
  --font-display: "Sora", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body:    "Inter", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;

  --fs-hero:    clamp(72px, 8vw, 128px);
  --fs-h2:      clamp(48px, 6vw, 80px);
  --fs-h3:      clamp(28px, 3vw, 42px);
  --fs-body-lg: clamp(17px, 1.25vw, 18px);
  --fs-body:    16px;
  --fs-cap:     13px;
  --fs-meta:    12px;
  --lh-title:   1.05;
  --lh-body:    1.7;

  /* —— Grid & Spacing —— */
  --maxw:       1440px;
  --content:    1280px;
  --gap:        24px;
  --pad:        clamp(20px, 5vw, 72px);
  --sp-section: clamp(140px, 14vw, 200px);
  --sp-block:   clamp(64px, 7vw, 110px);

  /* —— Radius —— */
  --r-sm: 4px;
  --r-md: 8px;

  /* —— Motion —— */
  --dur-micro:  200ms;
  --dur-ui:     280ms;
  --dur-reveal: 600ms;
  --dur-page:   800ms;
  --ease:       cubic-bezier(.22, 1, .36, 1);

  /* —— Nav —— */
  --nav-h:    72px;
  --nav-h-sm: 56px;
}

/* ============ RESET & BASE ============ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
figure { margin: 0; }

::selection { background: var(--indigo); color: #fff; }

:focus-visible {
  outline: 2px solid var(--indigo);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============ UTILITIES ============ */
.container {
  width: 100%;
  max-width: calc(var(--content) + var(--pad) * 2);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: var(--sp-section); position: relative; }
.section--tight { padding-block: var(--sp-block); }

.skip-link {
  position: fixed;
  top: 12px; left: 12px;
  z-index: 2000;
  background: var(--ink);
  color: var(--bg);
  font-size: var(--fs-cap);
  padding: 10px 18px;
  border-radius: var(--r-sm);
  transform: translateY(-150%);
  transition: transform var(--dur-ui) var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); }

/* —— Reveal（no-JS 直接可读）—— */
html.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-reveal) var(--ease),
              transform var(--dur-reveal) var(--ease);
  will-change: opacity, transform;
}
html.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— 通用 Section 头 —— */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.eyebrow::before {
  content: "";
  width: 32px; height: 1px;
  background: var(--ink);
  display: inline-block;
}
.eyebrow__index { color: var(--indigo); }

.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: var(--lh-title);
  letter-spacing: -0.03em;
  color: var(--ink);
}
.display em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section__lede {
  font-size: var(--fs-body-lg);
  color: var(--ink-2);
  max-width: 560px;
  line-height: 1.6;
}

.meta {
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.meta span + span::before {
  content: "·";
  margin-right: 18px;
  color: var(--hairline);
}

/* ============ CUSTOM CURSOR ============ */
.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 1900;
  pointer-events: none;
  display: none;
  align-items: center;
  justify-content: center;
}
@media (pointer: fine) {
  html.js .cursor { display: flex; }
}
.cursor__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ink);
  transition: width var(--dur-micro) var(--ease),
              height var(--dur-micro) var(--ease),
              background var(--dur-micro) var(--ease),
              opacity var(--dur-micro) var(--ease);
}
.cursor__label {
  position: absolute;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #fff;
  white-space: nowrap;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--dur-micro) var(--ease),
              transform var(--dur-micro) var(--ease);
}
.cursor.is-active .cursor__dot {
  width: 72px; height: 72px;
  background: var(--indigo);
  opacity: 0.95;
}
.cursor.is-active .cursor__label {
  opacity: 1;
  transform: scale(1);
}

/* ============ NAVIGATION ============ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 1600;
  pointer-events: none;
}
.scroll-progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--grad);
  transform-origin: left;
  transform: scaleX(0);
}

.topnav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1500;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--pad);
  color: #fff;
  transition: height var(--dur-ui) var(--ease),
              background var(--dur-ui) var(--ease),
              border-color var(--dur-ui) var(--ease),
              color var(--dur-ui) var(--ease);
  border-bottom: 1px solid transparent;
  background: transparent;
}
.topnav.is-scrolled {
  height: var(--nav-h-sm);
  color: var(--ink);
  background: rgba(246, 246, 242, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--hairline);
}

.topnav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
}
.topnav__logo span {
  margin: 0 5px;
  color: var(--ice);
  font-weight: 400;
}
.topnav.is-scrolled .topnav__logo span { color: var(--indigo); }

.topnav__menu {
  display: flex;
  gap: 34px;
  align-items: center;
}
.topnav__menu a {
  position: relative;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245, 245, 242, 0.78);
  padding: 6px 0;
  transition: color var(--dur-ui) var(--ease);
}
.topnav.is-scrolled .topnav__menu a { color: var(--ink-2); }
.topnav__menu a:hover { color: #fff; }
.topnav.is-scrolled .topnav__menu a:hover { color: var(--ink); }
.topnav__menu a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -2px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--indigo);
  transform: translateX(-50%) scale(0);
  transition: transform var(--dur-micro) var(--ease);
}
.topnav__menu a.is-active { color: #fff; }
.topnav.is-scrolled .topnav__menu a.is-active { color: var(--ink); }
.topnav__menu a.is-active::after { transform: translateX(-50%) scale(1); }

.topnav__toggle {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: none;
  border: none;
  padding: 8px;
}
.topnav__toggle span {
  width: 24px; height: 1.5px;
  background: #fff;
  transition: transform var(--dur-ui) var(--ease), opacity var(--dur-ui) var(--ease), background var(--dur-ui) var(--ease);
}
.topnav.is-scrolled .topnav__toggle span { background: var(--ink); }
.topnav__toggle.is-open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.topnav__toggle.is-open span:nth-child(2) { opacity: 0; }
.topnav__toggle.is-open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* —— 移动端全屏菜单 —— */
.nav__panel {
  position: fixed;
  inset: 0;
  z-index: 1400;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-inline: var(--pad);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--dur-ui) var(--ease), visibility var(--dur-ui);
}
.nav__panel { pointer-events: none; }
.nav__panel.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
.nav__panel a {
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  padding-block: 12px;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav__panel a small {
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--ink-2);
}
.nav__panel a {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-ui) var(--ease), transform var(--dur-ui) var(--ease);
}
.nav__panel.is-open a {
  opacity: 1;
  transform: translateY(0);
}
.nav__panel.is-open a:nth-child(1) { transition-delay: 60ms; }
.nav__panel.is-open a:nth-child(2) { transition-delay: 140ms; }
.nav__panel.is-open a:nth-child(3) { transition-delay: 220ms; }
.nav__panel.is-open a:nth-child(4) { transition-delay: 300ms; }

/* 菜单打开时，顶部 logo / 开关切换为深色（浅色面板上可见） */
.topnav.menu-open .topnav__toggle span { background: var(--ink); }
.topnav.menu-open .topnav__logo { color: var(--ink); }
.topnav.menu-open .topnav__logo span { color: var(--indigo); }

/* ============ SELECTED WORKS ============ */
.works__head {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: end;
  margin-bottom: var(--sp-block);
}
.works__head .eyebrow { grid-column: 1 / 5; }
.works__head .display { grid-column: 5 / 13; }

.work {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: end;
  margin-bottom: clamp(88px, 11vw, 150px);
}
.work:last-child { margin-bottom: 0; }

.work__media {
  grid-column: 1 / 8;
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--night-surface);
}
.work--flip .work__media { grid-column: 6 / 13; }

.work__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform var(--dur-reveal) var(--ease),
              filter var(--dur-reveal) var(--ease);
}
.work:hover .work__media img { transform: scale(1.025); }
.work__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  transition: border-color var(--dur-ui) var(--ease),
              box-shadow var(--dur-ui) var(--ease);
  pointer-events: none;
}
.work:hover .work__media::after {
  border-color: rgba(98, 109, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(98, 109, 255, 0.12), 0 24px 60px -32px rgba(98, 109, 255, 0.28);
}

.work__info { grid-column: 8 / 13; padding-bottom: 4px; }
.work--flip .work__info { grid-column: 1 / 6; grid-row: 1; }
.work__meta { margin-bottom: 16px; }
.work__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.work__brief {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.65;
  margin-bottom: 20px;
}
.work__outcome {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  margin: -6px 0 22px;
  padding: 14px 0 0;
  border-top: 1px solid var(--hairline);
}
.work__outcome strong {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
/* 文案前的紫色小方块装饰（与标题句点同色） */
.work__outcome::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  background: var(--indigo);
  vertical-align: 0.08em;
}
.work__role {
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  margin-bottom: 24px;
}
.work__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-cap);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.work__link i {
  font-style: normal;
  transition: transform var(--dur-micro) var(--ease);
}
.work:hover .work__link i,
.work__link:hover i { transform: translate(4px, -4px); }
.work__link:hover { color: var(--indigo); }

/* ============ CLIENTS & NUMBERS ============ */
.clients { border-block: 1px solid var(--hairline); }

.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--hairline);
  border-left: 1px solid var(--hairline);
}
.logo-wall li {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 110px;
  padding: 20px 14px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  opacity: 0.42;
  filter: grayscale(1);
  transition: opacity var(--dur-ui) var(--ease),
              filter var(--dur-ui) var(--ease),
              background var(--dur-ui) var(--ease);
}
.logo-wall li:hover {
  opacity: 1;
  filter: none;
  background: var(--surface);
}

.numbers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: var(--sp-block);
}
.number__value {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 104px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
}
.number__value sup {
  font-size: 0.32em;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-left: 6px;
}
.number__label {
  margin-top: 14px;
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ============ AIGC SIGNATURE CASE ============ */
.signature {
  background: var(--night-bg);
  color: var(--night-text);
  padding-block: var(--sp-section);
  position: relative;
  overflow: hidden;
}
.signature::before {
  content: "";
  position: absolute;
  inset: -10% -10%;
  background:
    radial-gradient(40vw 30vw at 78% 8%, rgba(98, 109, 255, 0.14), transparent 60%),
    radial-gradient(36vw 28vw at 12% 88%, rgba(146, 117, 255, 0.10), transparent 60%);
  pointer-events: none;
}
.signature .eyebrow { color: var(--night-ink-2); }
.signature .eyebrow::before { background: var(--night-text); }
.signature .display { color: var(--night-text); }

.signature__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: end;
  margin-bottom: var(--sp-block);
  position: relative;
}
.signature__intro { grid-column: 1 / 6; }
.signature__stats {
  grid-column: 7 / 13;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 28px clamp(40px, 4vw, 72px);
  justify-content: end;
  align-items: end;      /* 同一行的两个指标底端对齐 */
}
.sig-stat {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
}
.sig-stat__value {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.4vw, 64px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-top: 0.44em;   /* 为抬升的上标预留空间（background-clip 会裁切溢出部分） */
}
/* 上标单位不参与行盒计算：避免「3.4W」比「4,934」下坠，保证底端齐平 */
.sig-stat__value sup {
  font-size: 0.833em;          /* 与浏览器默认上标同尺寸，视觉不变 */
  font-weight: 800;
  vertical-align: baseline;    /* 不参与上标位移计算 */
  position: relative;          /* 用相对定位抬升，不改变行盒高度 */
  top: -0.45em;                /* 视觉抬升量与原版 super 一致（约 18px） */
  line-height: 1;
}
.sig-stat__label {
  margin-top: 12px;
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--night-ink-2);
  min-height: 1em;       /* 单行标签高度一致，底端对齐不受字数影响 */
  white-space: nowrap;
}

.signature__screen {
  position: relative;
  overflow: hidden;
  aspect-ratio: 21 / 9;
  background: var(--night-surface);
  margin-bottom: var(--sp-block);
}
.signature__screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
html.js .signature__screen {
  clip-path: inset(8% 4% 8% 4%);
  transition: clip-path 900ms var(--ease);
}
html.js .signature__screen.is-visible { clip-path: inset(0 0 0 0); }

.signature__synopsis {
  border-top: 1px solid var(--night-line);
  padding-top: 28px;
}
.synopsis__label {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--indigo);
  margin-bottom: 14px;
}
.synopsis__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--night-ink-2);
}

/* ============ WORKS INDEX ============ */
.index__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.index__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.filter {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 9px 18px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  transition: color var(--dur-ui) var(--ease),
              border-color var(--dur-ui) var(--ease),
              background var(--dur-ui) var(--ease);
}
.filter:hover { color: var(--ink); border-color: var(--ink); }
.filter.is-active {
  color: #fff;
  border-color: transparent;
  background: var(--grad);
}

.index__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px var(--gap);
}
.index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
.index-card.is-hidden { display: none; }
html.js .index-card.is-enter {
  opacity: 0;
  transform: translateY(20px) scale(0.98);
}
.index-card__media {
  overflow: hidden;
  background: var(--night-surface);
  margin-bottom: 16px;
  aspect-ratio: 4 / 3;
}
.index-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-reveal) var(--ease);
}
/* 标题偏左的 KV：预览窗口右移，露出左侧标题 */
.index-card__media img.crop-left { object-position: 20% center; }
.index-card__media img.crop-left--far { object-position: 8% center; }
.index-card:hover .index-card__media img { transform: scale(1.025); }
.index-card__cat {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--indigo);
  display: block;
  margin-bottom: 6px;
}
.index-card__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

/* ============ ABOUT（简历式个人信息卡） ============ */
.about__profile {
  max-width: 920px;
  margin-inline: auto;
}
/* 个人信息与工作经历紧凑衔接 */
.about { padding-bottom: clamp(40px, 5vw, 64px); }
.about__head {
  display: flex;
  align-items: center;
  justify-content: center;   /* 姓名行在页面中居中 */
  gap: 22px;
  margin-bottom: 30px;
}
.about__name {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 46px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}
.about__name-en {
  color: var(--indigo);
  font-size: 17px;        /* 与证件资料数值（about__fact dd）同号 */
  letter-spacing: 0.01em;
}
.about__tag {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--indigo);
  padding: 8px 18px;
  background: rgba(98, 109, 255, 0.10);
  border: 1px solid rgba(98, 109, 255, 0.35);
  border-radius: 999px;
}
.about__body {
  display: grid;
  grid-template-columns: minmax(150px, 180px) minmax(0, 360px);   /* 资料列宽与细线同宽（360px） */
  justify-content: center;                            /* 证件照 + 资料作为一组在页面中居中 */
  gap: 44px;
  align-items: start;
}
.about__portrait {
  margin: 0 auto;         /* 始终在其栏位内水平居中，窄屏时随屏幕居中 */
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: 0 30px 60px rgba(9, 11, 16, 0.10);
}
.about__portrait img { display: block; width: 100%; height: auto; }
.about__facts {
  border-top: 1px solid var(--hairline);
  max-width: 360px;   /* 细线不再通栏，收到文字之后即可 */
}
.about__facts + .about__facts { margin-top: 30px; }
.about__fact {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--hairline);
}
.about__fact dt {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ink-2);
}
.about__fact dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.about__fact dd a { color: inherit; transition: color var(--dur-ui) var(--ease); }
.about__fact dd a:hover { color: var(--indigo); }

/* ============ EXPERIENCE & AWARDS ============ */
/* 经历 → 视觉研究：压缩过大的段间空白（与 About → Experience 一致的紧凑节奏） */
.experience {
  padding-top: clamp(40px, 5vw, 64px);
  padding-bottom: clamp(40px, 5vw, 64px);
}
.research { padding-top: clamp(40px, 5vw, 64px); }
.exp__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
}
.exp__timeline { grid-column: 1 / 8; }
.exp__awards { grid-column: 9 / 13; }

.xp {
  border-top: 1px solid var(--hairline);
  padding-block: 26px;
  transition: background var(--dur-ui) var(--ease);
}
.xp:last-child { border-bottom: 1px solid var(--hairline); }
.xp__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  align-items: baseline;
}
.xp__year {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--indigo);
  letter-spacing: 0.04em;
}
.xp__company {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
/* 职位：紧跟在公司名之后，与「Cherish」同款字号与配色 */
.xp__role {
  margin-left: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--indigo);
}
.xp__details {
  grid-column: 2 / 3;
}
.xp__details ul { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.xp__details li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
}
/* 纯职责描述条目（未含渐变强调数据）回到灰色；含强调数据的条目保持黑色 */
.xp__details li:not(:has(strong)) { color: var(--ink-2); }
.xp__details li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.62em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--violet);
  opacity: 0.6;
}
.xp__details li strong {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 600;
}

.awards__group + .awards__group { margin-top: 34px; }
.awards__cat {
  font-family: var(--font-display);   /* 与「至今/2024」年份标签同字体 */
  font-size: 15px;                    /* 原 fs-meta(12px) → 15px */
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--champagne);            /* 金色 */
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 4px;
}
.award {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--hairline-soft);
  transition: background var(--dur-ui) var(--ease);
}
.award:hover { background: rgba(199, 181, 138, 0.12); }
.award__year {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  color: var(--champagne);
}
.award__name {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
}
.award__level {
  display: block;
  margin-top: 2px;
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ============ VISUAL RESEARCH ============ */
.research__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: end;
  margin-bottom: clamp(20px, 2.4vw, 32px);   /* 原 sp-block：收短标题区与地图之间的空隙 */
}
.research__copy { grid-column: 1 / 13; }
.research__copy p {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.75;
  margin-top: 18px;
}
/* 紧贴地图的那一句：与大标题拉开一点、与图片保持贴近 */
.research__copy p:last-child { margin-top: clamp(22px, 2.6vw, 34px); }
/* 每句独立成行、不折行断句；窄窗口同步微缩字号，避免横向溢出（移动端允许换行） */
@media (min-width: 721px) {
  .research__copy p {
    white-space: nowrap;
    font-size: min(var(--fs-body), 2.05vw);
  }
}

/* 文案移至地图下方 */
.research__notes { margin-top: clamp(26px, 3vw, 42px); }
.research__notes p {
  font-size: var(--fs-body);
  color: var(--ink-2);
  line-height: 1.75;
  margin-top: 18px;
}
.research__notes p:first-child { margin-top: 0; }
@media (min-width: 721px) {
  .research__notes p {
    white-space: nowrap;
    font-size: min(var(--fs-body), 2.05vw);
  }
}

.research__map-btn {
  display: block;
  width: 100%;
  position: relative;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--night-surface);
  padding: 0;
  border: none;
}
.research__map-btn img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  transition: transform var(--dur-reveal) var(--ease);
}
.research__map-btn:hover img { transform: scale(1.02); }
.research__map-hint {
  position: absolute;
  right: 24px; bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: rgba(9, 11, 16, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--night-text);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--dur-ui) var(--ease), transform var(--dur-ui) var(--ease);
}
.research__map-btn:hover .research__map-hint,
.research__map-btn:focus-visible .research__map-hint {
  opacity: 1;
  transform: translateY(0);
}

/* ============ CONTACT ============ */
.contact {
  background: var(--night-bg);
  color: var(--night-text);
  padding-block: var(--sp-section);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(46vw 32vw at 85% 12%, rgba(98, 109, 255, 0.16), transparent 62%),
    radial-gradient(36vw 26vw at 8% 92%, rgba(133, 223, 255, 0.08), transparent 60%);
  pointer-events: none;
}
.contact .eyebrow { color: var(--night-ink-2); }
.contact .eyebrow::before { background: var(--night-text); }

/* 标题 + 二维码编辑双栏 */
.contact__intro {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: start;
}
.contact__intro-text { grid-column: 1 / 9; margin-bottom: 40px; }
.contact__qr {
  grid-column: 10 / 13;
  justify-self: end;
  margin: 8px 0 0;
  width: min(108px, 100%);
}
.contact__qr img {
  display: block;
  width: 100%;
  height: auto;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--night-line);
  border-radius: 8px;
  transition: transform var(--dur-ui) var(--ease);
}
.contact__qr:hover img { transform: translateY(-3px); }
.contact__qr figcaption {
  margin-top: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: var(--night-ink-2);
}

.contact__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 52px);   /* 与「Design Through Observation.」同号 */
  font-weight: 800;
  line-height: var(--lh-title);
  letter-spacing: -0.04em;
  margin: 36px 0 30px;
}
.contact__title span { display: block; }
.contact__title em {
  font-style: normal;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.contact__row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gap);
  align-items: center;
  position: relative;
}
.contact__cta { grid-column: 1 / 6; }
.cta-big {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 1.8vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--night-text);
  padding: 22px 40px;
  border: 1px solid rgba(245, 245, 242, 0.24);
  border-radius: 999px;
  transition: border-color var(--dur-ui) var(--ease),
              background var(--dur-ui) var(--ease),
              transform var(--dur-ui) var(--ease);
}
.cta-big i { font-style: normal; transition: transform var(--dur-micro) var(--ease); }
.cta-big:hover {
  border-color: transparent;
  background: var(--grad);
  transform: translateY(-3px);
}
.cta-big:hover i { transform: translate(5px, -5px); }

.contact__channels {
  grid-column: 7 / 13;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--night-line);
}
.channel {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--night-line);
}
.channel__label {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--night-ink-2);
}
.channel__value {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
}
.channel a.channel__value:hover { color: var(--ice); }

/* ============ FOOTER ============ */
.footer {
  background: var(--night-bg);
  color: var(--night-ink-2);
  padding: 28px 0;
  border-top: 1px solid var(--night-line);
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
}

/* ============ OVERLAYS ============ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 1800;
  display: flex;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--dur-ui) var(--ease), visibility var(--dur-ui);
}
.overlay.is-open { visibility: visible; opacity: 1; }
.overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(9, 11, 16, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.overlay__close {
  position: absolute;
  top: 22px; right: 22px;
  z-index: 5;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(245, 245, 242, 0.25);
  background: rgba(9, 11, 16, 0.55);
  color: var(--night-text);
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-ui) var(--ease), transform var(--dur-ui) var(--ease);
}
.overlay__close:hover { background: var(--indigo); transform: rotate(90deg); }

.lightbox__stage {
  position: relative;
  margin: auto;
  max-width: min(1240px, 92vw);
  max-height: 84vh;
  overflow: hidden;
  touch-action: pinch-zoom;
}
.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  margin-inline: auto;
  transform-origin: center;
  transition: transform 480ms var(--ease);
  cursor: zoom-in;
  user-select: none;
}
.lightbox__img.is-zoomed { cursor: zoom-out; transform: scale(1.8); }

/* 长图模式（H5 长图 / 项目长图 / 高清地图）：按屏幕宽度等比缩放，纵向滚动看细节 */
.lightbox.is-long .lightbox__stage {
  max-height: 88vh;
  overflow-x: hidden;
  overflow-y: auto;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.lightbox.is-long .lightbox__stage::-webkit-scrollbar { width: 6px; }
.lightbox.is-long .lightbox__stage::-webkit-scrollbar-thumb {
  background: rgba(245, 245, 242, 0.28);
  border-radius: 3px;
}
.lightbox.is-long .lightbox__img {
  width: 100%;
  max-width: 100%;
  max-height: none;
  cursor: default;
}
@media (max-width: 768px) {
  .lightbox.is-long .lightbox__stage { max-height: 82vh; }
}

/* ============ VIDEO MODAL（项目视频：横版 / 竖版自适应） ============ */
.video-modal__stage {
  position: relative;
  margin: auto;
  max-width: min(1240px, 92vw);
}
.video-modal__stage video {
  display: block;
  width: auto;
  max-width: 100%;
  max-height: 84vh;
  margin-inline: auto;
  background: #000;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .video-modal__stage { max-width: 94vw; }
  .video-modal__stage video { max-height: 78vh; }
}
.lightbox__bar {
  position: absolute;
  left: 24px; bottom: 24px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 18px;
  background: rgba(9, 11, 16, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--night-text);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.12em;
}

/* —— Case Detail —— */
.case { flex-direction: column; align-items: stretch; }
.case__scroll {
  position: relative;
  margin: 0 auto;
  width: min(960px, 94vw);
  height: 100%;
  overflow-y: auto;
  background: var(--bg);
  padding: 72px clamp(24px, 5vw, 72px) 96px;
  animation: caseIn var(--dur-page) var(--ease);
}
@keyframes caseIn {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
.case__progress {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  z-index: 4;
  background: var(--hairline-soft);
}
.case__progress i {
  display: block;
  height: 100%;
  background: var(--grad);
  transform-origin: left;
  transform: scaleX(0);
}
.case__nav {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  padding: 14px 0;
  background: rgba(246, 246, 242, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 40px;
}
.case__nav a {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color var(--dur-ui) var(--ease);
}
.case__nav a:hover,
.case__nav a.is-active { color: var(--indigo); }
.case h2.case__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.case__meta { margin-bottom: 40px; }
.case h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 48px 0 16px;
  scroll-margin-top: 90px;
}
.case p {
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink-2);
  max-width: 640px;
  margin-bottom: 14px;
}
.case p strong { color: var(--ink); }
.case__img {
  margin: 28px 0;
  overflow: hidden;
  background: var(--night-surface);
}
.case__img img { width: 100%; }
.case__img--pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
.case__img--pair .case__kv { margin: 0; }
.case__kv--narrow img {
  display: block;
  width: auto;
  max-width: min(520px, 100%);
  margin: 0 auto;
}
.case__kv-label {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--night-ink-2);
}
.case__outcome {
  border-left: 2px solid var(--indigo);
  padding: 18px 24px;
  background: rgba(98, 109, 255, 0.06);
  margin-top: 28px;
}
.case__outcome p { color: var(--ink); margin: 0; }

body.is-locked { overflow: hidden; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  :root { --pad: 32px; }

  .works__head .eyebrow { grid-column: 1 / 13; margin-bottom: 14px; }
  .works__head .display { grid-column: 1 / 13; }

  .work__media,
  .work--flip .work__media { grid-column: 1 / 13; }
  .work__info,
  .work--flip .work__info { grid-column: 1 / 13; grid-row: auto; margin-top: 24px; }
  .work { align-items: start; }

  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .numbers { grid-template-columns: 1fr; gap: 40px; }

  .signature__intro { grid-column: 1 / 13; margin-bottom: 36px; }
  .signature__stats { grid-column: 1 / 13; justify-content: start; }

  .index__grid { grid-template-columns: repeat(2, 1fr); gap: 32px var(--gap); }

  .about__body { grid-template-columns: 1fr; gap: 28px; }
  .about__head { justify-content: center; }   /* 单列版式：姓名行与证件照一起居中 */
  .about__portrait { max-width: 200px; }

  .exp__timeline { grid-column: 1 / 13; margin-bottom: 56px; }
  .exp__awards { grid-column: 1 / 13; }

  .contact__intro-text { grid-column: 1 / 13; }
  .contact__qr {
    grid-column: 1 / 13;
    justify-self: start;
    width: min(96px, 32vw);
    margin-top: 32px;
  }
  .contact__cta { grid-column: 1 / 13; margin-bottom: 44px; }
  .contact__channels { grid-column: 1 / 13; }
}

@media (max-width: 720px) {
  :root {
    --pad: 20px;
    --nav-h: 60px;
    --sp-section: clamp(96px, 18vw, 140px);
  }

  .topnav__menu { display: none; }
  .topnav__toggle { display: flex; z-index: 1501; }

  .index__grid { grid-template-columns: 1fr; gap: 28px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .about__head { flex-direction: column; align-items: center; gap: 14px; }

  .xp__row { grid-template-columns: 64px 1fr; }
  .xp__role { display: block; margin: 4px 0 0; }
  .xp__details { grid-column: 1 / 4; }

  .channel { grid-template-columns: 84px 1fr; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; }
  html.js .signature__screen { clip-path: none; }
  .cursor { display: none !important; }
}