/* =================================================
   设计作品集 — 米黄学院风（增强版）
   背景：白 / 米黄 交替
   装饰：背景大字 / 角标 / 几何点缀 / 纸纹
   ================================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* 基础色 */
  --bg-white: #FAFAF7;
  --bg-beige: #F5E9D0;
  --bg-2: #EFE2C3;
  --bg-3: #E8D7AE;
  --ink: #1E3A8A;          /* 深蓝主色 */
  --ink-2: #2A4A7A;
  --ink-soft: #4A6FA5;
  --ink-mute: #8896B0;
  --line: #1E3A8A22;
  --line-2: #1E3A8A33;
  --line-3: #1E3A8A55;
  --grid: #1E3A8A0A;

  /* 点缀色（印章感） */
  --red: #C8403C;
  --green: #5B8A3A;
  --gold: #C8A852;

  --container: 1280px;
  --display: "Space Grotesk", "Inter", sans-serif;
  --sans: "Inter", "Noto Sans SC", -apple-system, system-ui, sans-serif;
  --serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --mono: "Space Mono", "JetBrains Mono", monospace;
  --fun: "ZCOOL KuaiLe", "Noto Sans SC", sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
video {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}

/* ============== 通用：Section ============== */
.section {
  padding: 140px 0 120px;
  position: relative;
  overflow: hidden;
}

.section-light {
  background-color: var(--bg-white);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 60px 60px;
}

.section-beige {
  background-color: var(--bg-beige);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* 纸纹噪点（柔和） */
.section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.23 0 0 0 0 0.54 0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.7;
  z-index: 0;
  mix-blend-mode: multiply;
}

/* 超大背景字（半透明） */
.section-bg-text {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--display);
  font-size: clamp(140px, 22vw, 360px);
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ink);
  opacity: 0.06;
  letter-spacing: -0.05em;
  line-height: 0.8;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.section-beige .section-bg-text {
  opacity: 0.08;
}

/* 角标 */
.section-corner-tl,
.section-corner-br {
  position: absolute;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  text-transform: uppercase;
  z-index: 2;
  padding: 8px 12px;
  background: var(--bg-white);
  border: 1px solid var(--ink);
}

.section-beige .section-corner-tl,
.section-beige .section-corner-br {
  background: var(--bg-beige);
}

.section-corner-tl {
  top: 24px;
  left: 24px;
  border-left: 4px solid var(--ink);
}

.section-corner-br {
  bottom: 24px;
  right: 24px;
  border-right: 4px solid var(--ink);
}

/* Section 标题 */
.section-header {
  margin-bottom: 80px;
  position: relative;
  z-index: 1;
}

.section-title-stroke {
  font-family: var(--display);
  font-size: clamp(56px, 10vw, 160px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.85;
  -webkit-text-stroke: 2.5px var(--ink);
  color: transparent;
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
  position: relative;
}

.section-title-stroke::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  display: block;
}

.section-title-cn {
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(48px, 8vw, 120px);
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 16px;
  position: relative;
  padding: 0 4px;
  background: linear-gradient(180deg, transparent 0%, transparent 75%, var(--ink) 75%, var(--ink) 100%);
  background-size: 100% 100%;
  -webkit-background-clip: text;
  background-clip: text;
}

.section-beige .section-title-cn {
  background: linear-gradient(180deg, transparent 0%, transparent 75%, var(--red) 75%, var(--red) 100%);
  background-size: 100% 100%;
  -webkit-background-clip: text;
  background-clip: text;
}

.section-tagline {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 8px 16px;
  border: 1px solid var(--ink);
  background: var(--bg-white);
  margin-top: 12px;
}

.section-beige .section-tagline {
  background: var(--bg-beige);
}

/* ============================================
   1. 封面 Cover
   ============================================ */
.cover {
  width: 100%;
  aspect-ratio: 16 / 11;       /* PDF 封面实际比例 4961x3367 ≈ 16/11 */
  max-height: 100vh;            /* 大屏占满视口 */
  max-width: 1920px;             /* 不超过图片原宽 */
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  background: var(--bg-beige);
  padding: 0;
}

.cover-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.cover-overlay {
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 3;
}

.cover-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--bg-white);
  background: rgba(30, 58, 138, 0.7);
  padding: 10px 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.cover-corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--bg-white);
  text-transform: uppercase;
  z-index: 3;
  padding: 8px 12px;
  background: rgba(30, 58, 138, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.cover-corner-tl { top: 30px; left: 30px; }
.cover-corner-br { bottom: 30px; right: 30px; }

.cover-scroll-hint {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--bg-white);
  text-transform: uppercase;
  z-index: 3;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
}

.cover-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(250, 250, 247, 0.3);
  position: relative;
  overflow: hidden;
}

.cover-scroll-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--bg-white);
  animation: scrollHint 1.8s ease-in-out infinite;
}

@keyframes scrollHint {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ============================================
   2. About 简历（图片版）
   =================================================
   关键：section 背景调成跟简历图一致的米黄
   （图片版色 RGB ≈ 254,248,220 = #FEF8DC）
   ================================================= */
.about-resume {
  padding-top: 40px;
  padding-bottom: 80px;
  background-color: #FEF8DC !important;
  background-image: none !important;
}

.about-resume::before {
  display: none;
}

/* 文字版简历元素全部隐藏（恢复图片版） */
.resume-top,
.resume-title-wrap,
.resume-title-en,
.resume-title-cn,
.resume-photo,
.resume-info,
.resume-exp-title,
.resume-experience,
.exp-card {
  display: none;
}

/* 简历图（点击放大） */
.resume-image-wrap {
  position: relative;
  width: 100%;
  max-width: min(1400px, 95vw);
  margin: 0 auto 50px;
  cursor: zoom-in;
  background: transparent;
  overflow: hidden;
  z-index: 1;
  transition: transform 0.3s;
}

.resume-image-wrap:hover {
  transform: scale(1.005);
}

.resume-image {
  display: block;
  width: 100%;
  height: auto;
  max-height: 85vh;
  object-fit: contain;
  border: none;
  background: transparent;
}

.resume-image-hint {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #FEF8DC;
  background: var(--ink);
  padding: 6px 12px;
  z-index: 2;
  opacity: 0;
  transform: translateY(4px);
  transition: 0.3s;
}

.resume-image-wrap:hover .resume-image-hint {
  opacity: 1;
  transform: translateY(0);
}

/* 链接卡片（用米黄底，跟图片融合） */
.resume-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  width: 100%;
  max-width: min(1400px, 95vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.resume-link-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  border: 1px solid var(--ink);
  border-radius: 16px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: var(--bg-white);
}

.resume-link-card:last-child {
  border-right: 1px solid var(--ink);
}

.resume-link-card:hover {
  background: var(--ink);
  color: #FEF8DC;
  box-shadow: 6px 6px 0 #fff;
  transform: translate(-2px, -2px);
}

.resume-link-card:active {
  transform: translate(2px, 2px) scale(0.98);
  background: var(--accent);
  box-shadow: 0 0 0 2px #FEF8DC;
  color: #FEF8DC;
}

.resume-link-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.resume-link-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.resume-link-card:hover .resume-link-label {
  color: #FEF8DC;
  opacity: 0.7;
}

.resume-link-val {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.resume-link-card:hover .resume-link-val {
  color: #FEF8DC;
}

.resume-link-arrow {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  opacity: 0.35;
  transition: opacity 0.2s, transform 0.2s;
}

.resume-link-card:hover .resume-link-arrow {
  opacity: 1;
  transform: translateX(4px);
  color: #FEF8DC;
}

/* ============================================
   作品组（5 媒体墙 - 竖向手机模型 + 左右滑动）
   ============================================ */
.work-group {
  grid-column: 1 / -1;            /* 占满整行 */
  background: var(--bg-beige);
  border: 1px solid var(--ink);
  position: relative;
  z-index: 1;
}

.works-grid .work-group {
  background: transparent;
}

.work-group-head {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--ink);
  background: var(--bg-beige);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.work-group-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.work-group-title {
  font-family: var(--display);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.work-group-desc {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 600px;
  margin: 0;
}

.work-group-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 4px;
}

.work-group-tags span {
  padding: 3px 8px;
  border: 1px solid var(--line-2);
}

/* 媒体横向滚动容器（手机展架） */
/* ============================================
   作品组（5 个圆角竖条 - 1 行 5 列 - 中间突出）
   ============================================ */
.work-group {
  grid-column: 1 / -1;
  background: var(--bg-beige);
  border: 1px solid var(--ink);
  position: relative;
  z-index: 1;
}

.works-grid .work-group {
  background: transparent;
}

.work-group-head {
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--ink);
  background: var(--bg-beige);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.work-group-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.work-group-title {
  font-family: var(--display);
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.work-group-desc {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 600px;
  margin: 0;
}

.work-group-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding-top: 4px;
}

.work-group-tags span {
  padding: 3px 8px;
  border: 1px solid var(--line-2);
}

/* 网格 - 5 列（默认）/ 3 列 / 4 列 / 5 横条 / asym-22 不对称 */
.work-group-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  padding: 32px;
  background: var(--bg-beige);
  position: relative;
  z-index: 1;
}

.work-group-grid.is-3col {
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  padding: 36px;
}

.work-group-grid.is-4col {
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding: 32px;
}

/* 5 横条（直播间背景等 5 个 16:9 等宽） */
.work-group-grid.is-5wide {
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  padding: 32px;
}

/* asym-22：左 2 个竖条（span 2 行，比例由 grid 决定） + 右 2 个 16:9 横条（各占 1 行） */
.work-group-grid.is-asym-22 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;     /* 2 行等高 */
  gap: 18px;
  padding: 32px;
  background: var(--bg-beige);
  align-items: stretch;
}

/* 左 2 个竖条：span 2 行（高度 = 整 grid，由右 2 个 16:9 撑开） */
.work-group-grid.is-asym-22 .group-media:nth-child(1),
.work-group-grid.is-asym-22 .group-media:nth-child(2) {
  grid-row: 1 / 3;                /* 跨 2 行 */
  aspect-ratio: auto;             /* 不强加 9:16，让 grid 决定 */
}

/* 右 2 个横条：严格 16:9 */
.work-group-grid.is-asym-22 .group-media:nth-child(3) {
  grid-row: 1;
  grid-column: 3;
  aspect-ratio: 16 / 9;
}

.work-group-grid.is-asym-22 .group-media:nth-child(4) {
  grid-row: 2;
  grid-column: 3;
  aspect-ratio: 16 / 9;
}

/* 单个圆角矩形（无手机元素） */
.group-media {
  position: relative;
  cursor: pointer;
  aspect-ratio: 9 / 16;
  background: var(--bg-2);
  border-radius: 18px;
  border: 1px solid var(--ink);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.group-media:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(30, 58, 138, 0.25);
  z-index: 5;
}

/* 中间突出（被 JS 加 .is-center） */
.group-media.is-center {
  border-width: 2px;
  border-color: var(--ink);
  transform: translateY(-12px);
  box-shadow: 0 12px 28px rgba(30, 58, 138, 0.2);
}

.group-media.is-center:hover {
  transform: translateY(-18px);
  box-shadow: 0 24px 50px rgba(30, 58, 138, 0.35);
}

/* 去掉刘海和 home 条（覆盖之前的 ::before/::after） */
.group-media::before,
.group-media::after {
  content: none;
}

.group-media-frame {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  border-radius: 16px;
}

.group-media-frame video,
.group-media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.group-media:hover .group-media-frame video,
.group-media:hover .group-media-frame img {
  transform: scale(1.08);
}

.group-media-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.06) 0%,
    transparent 30%,
    transparent 70%,
    rgba(255, 255, 255, 0.04) 100%
  );
  pointer-events: none;
  z-index: 1;
}

/* 类型徽章 */
.group-media-type {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 3px 6px;
}

.group-media-type.is-video {
  background: var(--ink);
  color: #FEF8DC;
}

/* 编号 */
.group-media-num-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #fff;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 3px 6px;
}

/* 视频播放按钮 */
.group-media-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid rgba(254, 248, 220, 0.6);
  border-radius: 50%;
  color: #FEF8DC;
  font-size: 16px;
  margin-left: 3px;
  z-index: 3;
  transition: 0.3s;
  pointer-events: none;
  opacity: 0.85;
}

.group-media:hover .group-media-play {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: translate(-50%, -50%) scale(1.15);
  opacity: 1;
  box-shadow: 0 0 24px var(--accent);
}

/* 关闭按钮（仅放大状态显示） */
.group-media-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 5;
  width: 28px;
  height: 28px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  color: #fff;
  font-family: var(--mono);
  font-size: 14px;
  cursor: pointer;
  transition: 0.2s;
}

.group-media-close:hover {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: scale(1.1);
}

.group-media.is-zoomed .group-media-close {
  display: flex;
}

/* 放大图片状态 */
.group-media.is-zoomed {
  z-index: 20;
  transform: scale(1.15);
  box-shadow: 0 24px 50px rgba(30, 58, 138, 0.4);
  border-color: var(--accent);
}

.group-media.is-zoomed .group-media-frame img {
  transform: scale(1.2);
  object-fit: contain;
  background: #000;
}

/* 视频下方标签（视频内左下） */
.group-media-meta {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  z-index: 2;
  text-align: left;
}

.group-media-meta-title {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

.group-media-meta-num {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
}

/* 响应式 - 屏幕小缩 */
@media (max-width: 1200px) {
  .work-group-grid { gap: 12px; padding: 24px 20px; }
  .work-group-grid.is-3col { gap: 20px; padding: 28px 20px; }
  .work-group-grid.is-4col { gap: 16px; padding: 24px 20px; }
  .work-group-grid.is-5wide { gap: 10px; padding: 24px 20px; }
  .work-group-grid.is-asym-22 { gap: 14px; padding: 24px 20px; }
  .group-media { border-radius: 14px; }
  .group-media-frame { border-radius: 12px; }
}

@media (max-width: 900px) {
  .work-group-grid.is-5col { grid-template-columns: repeat(3, 1fr); }
  .work-group-grid.is-4col { grid-template-columns: repeat(2, 1fr); }
  .work-group-grid.is-5wide { grid-template-columns: repeat(3, 1fr); }
  /* asym-22 在中等屏幕变 2x2 */
  .work-group-grid.is-asym-22 {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .work-group-grid.is-asym-22 .group-media:nth-child(1),
  .work-group-grid.is-asym-22 .group-media:nth-child(2) {
    grid-row: auto;
    grid-column: auto;
    aspect-ratio: 9 / 16;
  }
  .work-group-grid.is-asym-22 .group-media:nth-child(3),
  .work-group-grid.is-asym-22 .group-media:nth-child(4) {
    grid-row: auto;
    grid-column: auto;
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 600px) {
  .work-group-grid.is-5col { grid-template-columns: repeat(2, 1fr); }
  .work-group-grid.is-3col { grid-template-columns: 1fr; padding: 16px; }
  .work-group-grid.is-4col { grid-template-columns: 1fr; padding: 16px; }
  .work-group-grid.is-5wide { grid-template-columns: repeat(2, 1fr); padding: 16px; }
  .work-group-grid.is-asym-22 {
    grid-template-columns: 1fr;
  }
  .work-group-grid.is-asym-22 .group-media:nth-child(n) {
    grid-row: auto;
    grid-column: auto;
    aspect-ratio: 16 / 9;
  }
  .group-media.is-center { transform: none; }
  .work-group-head { padding: 16px 20px; }
}

.works-section .works-grid {
  position: relative;
  z-index: 1;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.works-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.works-grid.cols-1 { grid-template-columns: 1fr; }
.works-grid.is-5col { grid-template-columns: repeat(5, 1fr); gap: 18px; }

/* 筛选 tabs */
.filter-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 48px;
  border: 1px solid var(--ink);
  width: fit-content;
  position: relative;
  z-index: 1;
}

.filter-tab {
  padding: 14px 26px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--bg-white);
  border-right: 1px solid var(--ink);
  transition: 0.2s;
  font-weight: 500;
}

.filter-tab:last-child {
  border-right: none;
}

.filter-tab:hover {
  background: var(--ink);
  color: var(--bg-white);
}

.filter-tab.is-active {
  background: var(--ink);
  color: var(--bg-white);
}

.filter-tab span {
  margin-left: 6px;
  font-size: 9px;
  opacity: 0.6;
}

/* 作品卡 */
.work-item {
  position: relative;
  cursor: pointer;
  transition: transform 0.3s;
}

.work-item:hover {
  transform: translateY(-4px);
}

.work-item-frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-beige);
  border: 1px solid var(--ink);
  border-radius: 18px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.work-item:hover .work-item-frame {
  box-shadow: 6px 6px 0 var(--ink);
}

.work-item-frame.wide { aspect-ratio: 4 / 3; }
.work-item-frame.tall { aspect-ratio: 9 / 16; }
.work-item-frame.square { aspect-ratio: 1; }

.work-item-frame video,
.work-item-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.work-item:hover .work-item-frame video,
.work-item:hover .work-item-frame img {
  transform: scale(1.05);
}

/* 作品卡角标 */
.work-item-num {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--bg-white);
  background: var(--ink);
  padding: 4px 8px;
  font-weight: 700;
}

.work-item-cat {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink);
  background: var(--bg-beige);
  padding: 4px 8px;
  border: 1px solid var(--ink);
  font-weight: 700;
  text-transform: uppercase;
}

.work-item-corner {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--ink);
  z-index: 3;
}

.work-item-corner.tl { top: 8px; left: 8px; border-right: none; border-bottom: none; }
.work-item-corner.br { bottom: 8px; right: 8px; border-left: none; border-top: none; }

/* 视频播放按钮 */
.work-item-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  background: rgba(250, 250, 247, 0.95);
  border: 2px solid var(--ink);
  border-radius: 50%;
  color: var(--ink);
  z-index: 2;
  transition: 0.3s;
  pointer-events: none;
}

.work-item-play svg {
  width: 22px;
  height: 22px;
  margin-left: 3px;
}

.work-item:hover .work-item-play {
  background: var(--ink);
  color: var(--bg-white);
  transform: translate(-50%, -50%) scale(1.1);
}

.work-item-info {
  padding: 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  border-top: 1px dashed var(--ink);
  margin-top: 16px;
}

.work-item-title {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.3;
  flex: 1;
}

.work-item-desc {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.5;
}

.work-item-tags {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 4px;
}

.work-item-tags span + span::before {
  content: " · ";
  margin: 0 2px;
  color: var(--ink-mute);
}

.works-empty {
  text-align: center;
  padding: 60px 20px 80px;
  font-family: var(--serif);
  position: relative;
  z-index: 1;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* 巨型水印文字 */
.works-empty::before {
  content: "COMING SOON";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--display);
  font-size: clamp(80px, 14vw, 220px);
  font-weight: 700;
  letter-spacing: -0.04em;
  -webkit-text-stroke: 1.5px var(--ink);
  color: transparent;
  opacity: 0.08;
  white-space: nowrap;
  z-index: 0;
  pointer-events: none;
}

/* 空状态内部 */
.empty-stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  padding: 40px 30px;
}

/* 视频播放器样式的占位 */
.empty-video-frame {
  position: relative;
  width: 200px;
  height: 130px;
  background: var(--ink);
  border-radius: 4px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  box-shadow: 8px 8px 0 var(--ink-2);
  animation: frameFloat 3s ease-in-out infinite;
}

@keyframes frameFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.empty-film-strip {
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: -8px;
  right: -8px;
  background:
    /* 胶片孔 */
    linear-gradient(transparent 6px, var(--ink) 6px, var(--ink) 10px, transparent 10px, transparent 22px, var(--ink) 22px, var(--ink) 26px, transparent 26px),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 16px,
      var(--ink) 16px,
      var(--ink) 20px
    );
  border-radius: 6px;
  z-index: -1;
  opacity: 0.4;
}

.empty-play-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  background: var(--bg-beige);
  border-radius: 50%;
  color: var(--ink);
  font-size: 22px;
  margin-left: 4px;
  animation: playPulse 1.5s ease-in-out infinite;
}

@keyframes playPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.4); }
  50% { transform: scale(1.05); box-shadow: 0 0 0 8px rgba(0, 0, 0, 0); }
}

.empty-title {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--ink);
  margin: 0;
}

.empty-subtitle {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink-2);
  margin: 0;
  letter-spacing: 0.05em;
}

.empty-dots {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.empty-dots span {
  width: 8px;
  height: 8px;
  background: var(--ink);
  border-radius: 50%;
  animation: dotBounce 1.2s ease-in-out infinite;
}

.empty-dots span:nth-child(2) { animation-delay: 0.15s; }
.empty-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.5); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.empty-meta {
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.empty-meta code {
  font-family: var(--mono);
  background: transparent;
  padding: 2px 6px;
  border: 1px solid var(--line-2);
  font-size: 10px;
  color: var(--ink);
  border-radius: 2px;
}

.empty-meta .arrow {
  color: var(--ink-mute);
}

/* 装饰角标 */
.empty-corner {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-2);
  z-index: 1;
}

.empty-corner.tl { top: 0; left: 0; }
.empty-corner.tr { top: 0; right: 0; }
.empty-corner.bl { bottom: 0; left: 0; }
.empty-corner.br { bottom: 0; right: 0; }

/* 旧样式兼容 */
.works-empty p {
  font-size: 18px;
  color: var(--ink-2);
  margin-bottom: 8px;
}

.works-empty small {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
}

/* ============================================
   6. 结尾
   ============================================ */
.end {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.end-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
}

.end-title {
  font-family: "Noto Sans SC", "Source Han Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.end-dots {
  color: var(--ink);
  font-weight: 400;
  letter-spacing: 0.1em;
  font-family: var(--display);
}

.end-thanks {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--ink);
  position: relative;
  display: inline-block;
  margin-top: 8px;
}

.end-thanks::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--ink);
}

.end-info {
  margin-top: 60px;
  font-family: "Noto Sans SC", "Source Han Sans SC", "Source Han Sans CN", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 12px 24px;
  border: 1px solid var(--ink);
  background: var(--bg-white);
}

.end-info .dot {
  color: var(--ink-mute);
}

.end-tag {
  margin-top: 32px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--ink-mute);
  text-transform: uppercase;
}

/* ============================================
   灯箱 / 视频
   ============================================ */
.lightbox,
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(30, 58, 138, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: grid;
  place-items: center;
  padding: 40px;
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid rgba(250, 250, 247, 0.4);
  color: var(--bg-white);
  transition: 0.3s;
  z-index: 10;
  font-family: var(--mono);
  font-size: 16px;
}

.lightbox-close:hover {
  background: var(--bg-white);
  color: var(--ink);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid rgba(250, 250, 247, 0.4);
  color: var(--bg-white);
  transition: 0.3s;
  font-family: var(--mono);
  font-size: 18px;
}

.lightbox-nav:hover {
  background: var(--bg-white);
  color: var(--ink);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-nav:disabled { opacity: 0.3; cursor: not-allowed; }

.lightbox-figure {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.lightbox-figure img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  background: var(--bg-white);
  border: 1px solid var(--ink);
}

#lightboxCaption,
.video-caption {
  color: var(--bg-white);
  font-size: 13px;
  text-align: center;
  max-width: 600px;
  font-family: var(--mono);
  letter-spacing: 0.05em;
}

#lightboxCaption strong,
.video-caption strong {
  color: var(--bg-white);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  margin-right: 8px;
}

.video-modal-inner {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

#videoPlayer {
  max-width: 100%;
  max-height: 75vh;
  background: #000;
  border: 1px solid var(--ink);
}

/* ============================================
   滚动渐入
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-photo { order: -1; }
  .about-info { grid-template-columns: 1fr; }
  .resume-links { grid-template-columns: repeat(2, 1fr); }
  .section-corner-tl, .section-corner-br { font-size: 10px; padding: 6px 10px; }
}

@media (max-width: 640px) {
  .cover-overlay { top: 16px; right: 16px; }
  .cover-tag { padding: 6px 10px; font-size: 10px; }
  .cover-corner { font-size: 9px; padding: 6px 10px; }
  .cover-corner-tl { top: 16px; left: 16px; }
  .cover-corner-br { bottom: 16px; right: 16px; }
  .cover-scroll-hint { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 80px 0 60px; }
  .section-corner-tl, .section-corner-br { display: none; }
  .works-grid { grid-template-columns: 1fr; gap: 24px; }
  .experience-grid { grid-template-columns: 1fr; }
  .resume-links { grid-template-columns: 1fr; }
  .filter-tabs { width: 100%; flex-wrap: wrap; }
  .filter-tab { flex: 1; text-align: center; padding: 10px 12px; font-size: 10px; }
  .lightbox, .video-modal { padding: 16px; }
  .lightbox-nav { width: 40px; height: 40px; }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-close { top: 8px; right: 8px; }
  .end { padding: 80px 20px 40px; }
  .end-title { font-size: 56px; }
  .about-photo-frame { width: 220px; height: 220px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-white); }
::-webkit-scrollbar-thumb { background: var(--ink); border: 2px solid var(--bg-white); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-2); }

::selection {
  background: var(--ink);
  color: var(--bg-white);
}