/* ============================================================
   傅浸月 · 作品集  —— 莫奈灰调 / 马卡龙柔和色系
   可调参数集中在 :root，改颜色只需要动这里
   ============================================================ */
:root {
  /* —— 基础色 —— */
  --bg:        #FEFCFA;   /* 近白暖底（比原来更浅） */
  --ink:       #454140;   /* 主文字（深灰褐） */
  --sub:       #958B87;   /* 次级文字 */
  --card:      #FFFFFF;

  /* —— 莫奈柔色（高级灰粉系 · 已整体提亮） —— */
  --rose:      #DFAEA6;   /* 灰粉 */
  --rose-soft: #FAF0ED;
  --blue:      #A9BFCB;   /* 雾蓝 */
  --blue-soft: #EEF4F7;
  --sage:      #B8C6AD;   /* 灰绿 */
  --sage-soft: #F1F5EC;
  --lav:       #C3BBD4;   /* 雾紫 */
  --lav-soft:  #F4F1F9;
  --gold:      #D9C08F;   /* 奶油金 */
  --gold-soft: #F8F2E6;

  --shadow:    0 14px 40px rgba(96, 74, 66, 0.12);
  --shadow-sm: 0 6px 18px rgba(96, 74, 66, 0.09);
  --radius:    24px;

  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans:  "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;

  --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  overflow-x: hidden;
}

/* 背景雾感水彩晕染（参考传统配色：穹灰青 / 山岚雾粉 / 尘灰金） */
.bg-blobs {
  position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none;
  background: url("../images/wash-bg.svg") center / cover no-repeat;
  opacity: .36;
}
.bg-blobs i { display: none; }
/* 细微纸纹 */
.grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .35; mix-blend-mode: multiply;
  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%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.035'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }

::selection { background: var(--rose-soft); }

/* ============ 导航 ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(18px, 5vw, 64px);
  background: rgba(254, 252, 250, 0.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(96, 74, 66, 0.07);
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.nav-logo .dot {
  width: 34px; height: 34px; border-radius: 50%;
  background: radial-gradient(circle at 32% 30%, #fff 0 12%, var(--rose) 13% 58%, var(--rose-d, #C98D86) 59%);
  box-shadow: inset -3px -4px 8px rgba(120, 60, 50, .18), 0 3px 8px rgba(96,74,66,.15);
}
.nav-logo b { font-family: var(--serif); font-size: 19px; letter-spacing: 2px; display: flex; align-items: baseline; gap: 8px; }
/* 「的作品集」小字：比主名细一号、颜色浅，横排跟在名字后面 */
.nav-logo b em {
  font-style: normal; font-family: var(--sans); font-weight: 400;
  font-size: 12.5px; letter-spacing: 1.5px; color: var(--sub);
  padding-left: 9px; border-left: 1px solid rgba(96,74,66,.2);
}
.nav-links { display: flex; gap: clamp(14px, 3vw, 34px); }
.nav-links a {
  text-decoration: none; color: var(--sub); font-size: 14.5px; letter-spacing: 1px;
  padding: 6px 2px; position: relative; transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2.5px;
  border-radius: 2px; background: var(--rose); transition: all .28s ease; transform: translateX(-50%);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { width: 100%; }

/* ============ 首屏 ============ */
.hero {
  min-height: 100vh; position: relative;
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 4vw;
  padding: calc(var(--nav-h) + 40px) clamp(22px, 6vw, 90px) 60px;
  max-width: 1280px; margin: 0 auto;
}
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 3px; color: var(--rose-d, #C98D86);
  background: var(--rose-soft); border-radius: 999px; padding: 7px 16px; margin-bottom: 22px;
}
/* —— 主标题：中文名 + 倒影 + 英文名 —— */
.hero-name { margin: 0 0 6px; }
.hn-hi {
  display: block; font-family: var(--serif); font-size: clamp(17px, 2vw, 22px);
  letter-spacing: 8px; color: var(--sub); margin-bottom: 10px; font-weight: 400;
}
.hn-cn {
  display: block; position: relative;
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(56px, 7.4vw, 96px); line-height: 1.05; letter-spacing: 8px;
  color: var(--rose-d, #C98D86);           /* 名字用玫瑰粉 */
}
/* 倒影：复制文字 → 上下翻转 → 渐隐 */
.hn-cn::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 100%; transform-origin: top center;
  transform: scaleY(-1); pointer-events: none;
  color: var(--rose-d, #C98D86); opacity: .26;
  -webkit-mask-image: linear-gradient(to top, transparent 42%, rgba(0,0,0,.85) 100%);
  mask-image: linear-gradient(to top, transparent 42%, rgba(0,0,0,.85) 100%);
}
.hn-en {
  display: block; margin-top: 26px;
  font-family: "Didot", "Playfair Display", "Times New Roman", var(--serif);
  font-size: clamp(13px, 1.35vw, 16px); font-style: italic;
  letter-spacing: 7px; color: var(--rose-d, #C98D86); text-transform: uppercase;
}
.hero-intro { margin-top: 22px; font-size: clamp(15px, 1.5vw, 17.5px); color: var(--sub); max-width: 46ch; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-tags span {
  font-size: 13px; padding: 7px 15px; border-radius: 999px; letter-spacing: 1px;
  border: 1.4px solid transparent;
}
.hero-tags span:nth-child(1) { background: var(--rose-soft); color: #B07B72; }
.hero-tags span:nth-child(2) { background: var(--blue-soft);  color: #7492A3; }
.hero-tags span:nth-child(3) { background: var(--sage-soft);  color: #87996F; }
.hero-tags span:nth-child(4) { background: var(--lav-soft);   color: #9188A8; }

.hero-cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
  padding: 13px 30px; border-radius: 999px; font-size: 15px; letter-spacing: 2px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--ink); color: #FBF6F0; box-shadow: var(--shadow-sm); }
.btn-primary:hover { box-shadow: var(--shadow); }
.btn-ghost { border: 1.5px solid rgba(96,74,66,.25); color: var(--ink); }
.btn-ghost:hover { border-color: var(--rose); color: var(--rose-d, #C98D86); }

/* 右侧：拍立得拼贴（7 张 · 大小不一 · 互相压边）
   布局思路：三列错落，每张 rotate 角度和尺寸都不同，
   z-index 决定谁压在谁上面，形成自然的叠压层次 */
.hero-collage { position: relative; height: min(78vh, 700px); }
.polaroid {
  position: absolute; background: #fff; padding: 10px 10px 34px;
  box-shadow: var(--shadow); border-radius: 5px;
  transition: transform .45s cubic-bezier(.2,.8,.3,1.1);
}
.polaroid img { display: block; border-radius: 3px; object-fit: cover; }
.polaroid figcaption {
  position: absolute; bottom: 8px; left: 0; right: 0; text-align: center;
  font-family: var(--serif); font-size: 11.5px; color: var(--sub); letter-spacing: 1.2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding: 0 6px;
}

/* —— 和纸胶带（贴片，装饰用） —— */
.polaroid::before {
  content: ""; position: absolute; width: 70px; height: 20px; left: 50%;
  top: -10px; transform: translateX(-50%) rotate(-2deg);
  background: rgba(244, 196, 200, .45);           /* 莫兰迪粉胶带 */
  box-shadow: 0 1px 1px rgba(0,0,0,.05); z-index: 2;
  border-radius: 1px;
}
.polaroid.tape-blue::before { background: rgba(178, 200, 216, .45); }
.polaroid.tape-sage::before { background: rgba(188, 205, 186, .45); }
.polaroid.tape-cream::before { background: rgba(232, 219, 190, .5); }
/* 胶带轻微错开 */
.polaroid.tape-l::before { left: 30%; transform: rotate(-6deg); }
.polaroid.tape-r::before { left: auto; right: 18%; transform: rotate(5deg); }

/* —— 首页拼贴 · 随性版：斜得狠、互相叠、不规整 —— */
/* 左上：日月之眼打底（往下移，让玉桂狗能压到边） */
.polaroid.p1 { width: 44%; top: 8%; left: 0; transform: rotate(-5deg); z-index: 5; }
.polaroid.p1 img { width: 100%; height: 180px; }
/* 右上：九色鹿，大角度右斜（往下移，下半截让玉桂狗压住） */
.polaroid.p2 { width: 38%; top: 9%; right: 0; transform: rotate(11deg); z-index: 4; }
.polaroid.p2 img { width: 100%; height: 220px; }
/* 中右：玉桂狗小卡（加大到 30%，不刻意遮挡谁） */
.polaroid.p3 { width: 30%; top: 28%; right: 27%; transform: rotate(7deg); z-index: 9; }
.polaroid.p3 img { width: 100%; height: 122px; }
/* 右中：在一起，大角度左斜（位置不动） */
.polaroid.p4 { width: 32%; top: 36%; right: 5%; transform: rotate(-11deg); z-index: 6; }
.polaroid.p4 img { width: 100%; height: 182px; }
/* 左下角落：加菲猫，贴最左下角，微右斜 */
.polaroid.p5 { width: 44%; left: 0; bottom: 1%; transform: rotate(4deg); z-index: 8; }
.polaroid.p5 img { width: 100%; height: 165px; }
/* 预览版只保留 5 张 */
.polaroid.p6, .polaroid.p7 { display: none; }

.polaroid:hover { transform: rotate(0) scale(1.07); z-index: 20; cursor: pointer; }
.polaroid:active { transform: rotate(0) scale(.98); }

/* 筛选：交互方向悬停弹出的子分类 */
.filter-item { position: relative; display: inline-block; }
.filter-sub {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(6px);
  display: flex; flex-direction: column; gap: 6px; min-width: 128px;
  background: rgba(255,255,255,.96); border: 1px solid var(--rose-soft);
  border-radius: 14px; padding: 8px; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: all .22s ease; z-index: 20;
}
.filter-item:hover .filter-sub,
.filter-item:focus-within .filter-sub {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.filter-sub button {
  border: 0; background: transparent; cursor: pointer;
  font-family: var(--sans); font-size: 13px; color: var(--sub);
  padding: 7px 14px; border-radius: 999px; text-align: center;
  transition: all .18s ease;
}
.filter-sub button:hover { background: var(--rose-soft); color: var(--ink); }
.filter-sub button.active { background: var(--rose-soft); color: #B07B72; font-weight: 600; }
/* 胶带贴纸 */
.tape {
  position: absolute; width: 86px; height: 26px; background: rgba(223, 174, 166, .55);
  top: -12px; left: 50%; transform: translateX(-50%) rotate(-4deg);
  border-left: 1px dashed rgba(255,255,255,.6); border-right: 1px dashed rgba(255,255,255,.6);
}

/* 漂浮小装饰 */
.doodle { position: absolute; pointer-events: none; opacity: .85; }
.doodle svg { display: block; }
.d1 { top: 12%; right: 8%; animation: floaty 5s ease-in-out infinite; }
.d2 { bottom: 16%; left: 42%; animation: floaty 6s ease-in-out 1s infinite; }
.d3 { top: 46%; left: -4%; animation: floaty 7s ease-in-out .5s infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-14px) rotate(4deg); } }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-size: 12px; letter-spacing: 4px; color: var(--sub); text-align: center;
}
.scroll-hint::after {
  content: ""; display: block; width: 1.5px; height: 34px; margin: 10px auto 0;
  background: linear-gradient(to bottom, var(--rose), transparent);
  animation: drip 1.8s ease-in-out infinite;
}
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 55% { transform: scaleY(1); } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ============ 章节标题 ============ */
section { padding: 90px clamp(22px, 6vw, 90px); max-width: 1280px; margin: 0 auto; }
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head .en {
  font-size: 12.5px; letter-spacing: 6px; color: var(--rose-d, #C98D86); text-transform: uppercase;
}
.sec-head h2 {
  font-family: var(--serif); font-size: clamp(30px, 3.6vw, 42px); letter-spacing: 5px; margin-top: 8px;
}
.sec-head p { color: var(--sub); margin-top: 10px; font-size: 15px; }
.sec-head .flourish { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 18px; color: var(--rose); }
.sec-head .flourish::before, .sec-head .flourish::after {
  content: ""; width: 54px; height: 1px; background: linear-gradient(90deg, transparent, var(--rose));
}
.sec-head .flourish::after { background: linear-gradient(90deg, var(--rose), transparent); }

/* ============ 作品区封面标题墙 ============
   参考编辑部/grid 排版的思路：一个大标题压在虚影字上，
   左边编号、右边分类目录，底部一条斜杠 + 黑底标签条 */
.work-head { margin-bottom: 46px; }
.wh-row {
  display: grid; grid-template-columns: 128px 1fr 150px; gap: 28px; align-items: end;
  border-bottom: 1px solid rgba(96,74,66,.15); padding-bottom: 22px;
}
/* 左：编号 + 竖线 + WORKS COLLECTION */
.wh-index { display: flex; flex-direction: column; gap: 8px; padding-bottom: 6px; }
.wh-num { font-family: var(--serif); font-size: 40px; line-height: 1; color: var(--rose-d, #C98D86); letter-spacing: -1px; }
.wh-line { display: block; width: 42px; height: 2px; background: var(--ink); }
.wh-label { font-size: 11.5px; letter-spacing: 2.6px; color: var(--sub); line-height: 1.7; }

/* 中：大标题 + 虚影 WORKS */
.wh-title { position: relative; }
.wh-ghost {
  position: absolute; left: -2px; top: 50%; transform: translateY(-56%);
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(66px, 11vw, 128px); letter-spacing: 2px;
  color: var(--blue); opacity: .16; z-index: 0; pointer-events: none;
  white-space: nowrap;
}
.wh-title h2 {
  position: relative; z-index: 1;
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(38px, 6vw, 72px); letter-spacing: 12px; line-height: 1.1;
  color: var(--ink);
}
/* 底部：斜杠 + 说明 + 黑底标签条 */
.wh-bar { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.wh-slash { color: var(--blue); font-size: 17px; letter-spacing: -2px; font-weight: 700; }
.wh-sub { font-size: 13.5px; color: var(--sub); letter-spacing: 1.5px; }
.wh-tag {
  margin-left: auto; background: var(--ink); color: #FBF6F0;
  font-size: 12.5px; letter-spacing: 2px; padding: 6px 16px; border-radius: 3px;
}

/* 右：竖排分类目录 + 年份 */
.wh-side { text-align: right; display: flex; flex-direction: column; gap: 3px; padding-bottom: 6px; }
.wh-side p { font-size: 13px; color: #6E6764; letter-spacing: 2px; }
.wh-side p:hover { color: var(--rose-d, #C98D86); }
.wh-year { margin-top: 12px; font-size: 12px; color: var(--sub); letter-spacing: 1.5px; font-family: var(--serif); }

/* ============ 作品筛选 ============ */
.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 46px; position: relative; z-index: 50; }
.filter-bar button {
  font-family: var(--sans); font-size: 14px; letter-spacing: 2px; cursor: pointer;
  padding: 9px 22px; border-radius: 999px; border: 1.4px solid rgba(96,74,66,.18);
  background: transparent; color: var(--sub); transition: all .28s ease;
}
.filter-bar button:hover { border-color: var(--rose); color: var(--rose-d, #C98D86); }
.filter-bar button.active { background: var(--ink); color: #FBF6F0; border-color: var(--ink); box-shadow: var(--shadow-sm); }

/* ============ 作品卡片 ============ */
.works-grid {
  display: grid; gap: 30px;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
}
.work-card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); cursor: pointer; position: relative;
  transition: transform .35s ease, box-shadow .35s ease;
  display: flex; flex-direction: column;
}
.work-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.work-card.hide { display: none; }
.work-media { position: relative; overflow: hidden; }
.work-media img { width: 100%; height: 240px; object-fit: cover; display: block; transition: transform .6s ease; }
.work-card:hover .work-media img { transform: scale(1.06); }
.work-media .tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: 12px; letter-spacing: 1.5px; padding: 5px 13px; border-radius: 999px;
  background: rgba(255,255,255,.88); backdrop-filter: blur(4px); color: var(--ink);
}
.work-media .tag.t-jiaohu { color: #7492A3; }
.work-media .tag.t-yingshi { color: #B07B72; }
.work-media .tag.t-sanwei { color: #87996F; }
/* 新分类：交互编程=雾蓝 / 交互数字作品=灰绿 / 其他方向=灰粉 */
.work-media .tag.t-code    { color: #7492A3; }
.work-media .tag.t-digital { color: #87996F; }
.work-media .tag.t-other   { color: #B07B72; }
.work-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.work-body h3 { font-family: var(--serif); font-size: 19.5px; letter-spacing: 1.5px; }
.work-body .desc { font-size: 14px; color: var(--sub); margin-top: 8px; flex: 1; }
.work-body .meta {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed rgba(96,74,66,.16);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12.5px; color: var(--sub); letter-spacing: 1px;
}
.work-body .meta .go { color: var(--rose-d, #C98D86); font-weight: 600; }
.work-card::after {  /* 悬浮色晕 */
  content: ""; position: absolute; inset: auto -20% -55% -20%; height: 60%;
  background: radial-gradient(closest-side, var(--glow, var(--rose-soft)), transparent);
  opacity: 0; transition: opacity .35s; pointer-events: none;
}
.work-card:hover::after { opacity: .8; }

/* ============ 关于我 ============ */
.about-wrap {
  display: grid; grid-template-columns: 1.25fr .75fr; gap: 40px; align-items: start;
}
.about-text h3 { font-family: var(--serif); font-size: 24px; letter-spacing: 3px; margin-bottom: 18px; }
.about-text p { color: #6E6764; margin-bottom: 14px; font-size: 15.5px; }
.about-text .hl { color: var(--rose-d, #C98D86); }
.skill-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.skill-chips span {
  font-size: 13px; letter-spacing: 1px; padding: 7px 16px; border-radius: 999px; background: #fff;
  box-shadow: var(--shadow-sm); border: 1px solid rgba(96,74,66,.06);
}
.about-card {
  background: linear-gradient(160deg, var(--rose-soft), var(--lav-soft) 60%, var(--blue-soft));
  border-radius: var(--radius); padding: 34px 32px; box-shadow: var(--shadow-sm);
}
.about-card h4 { font-family: var(--serif); letter-spacing: 3px; margin-bottom: 18px; font-size: 18px; }
.about-card ul { list-style: none; }
.about-card li {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 10px 0; border-bottom: 1px dashed rgba(96,74,66,.18); font-size: 14.5px;
}
.about-card li:last-child { border-bottom: 0; }
.about-card li b { color: #8A7F7B; font-weight: 600; letter-spacing: 2px; flex-shrink: 0; }

/* ============ 页脚 ============ */
footer {
  margin-top: 40px; padding: 46px clamp(22px, 6vw, 90px) 40px;
  background: linear-gradient(180deg, transparent, var(--rose-soft));
  text-align: center;
}
footer .foot-name { font-family: var(--serif); font-size: 20px; letter-spacing: 4px; margin-bottom: 12px; }
footer p { font-size: 12.8px; color: var(--sub); max-width: 640px; margin: 4px auto; }
footer .copy { margin-top: 16px; font-size: 12px; color: #B4AAA5; letter-spacing: 1.5px; }

/* ============ 灯箱（作品大图 / 视频） ============ */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: none;
  background: rgba(58, 46, 44, .55); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  align-items: center; justify-content: center; flex-direction: column;
  padding: 30px;
}
.lightbox.open { display: flex; }
.lb-stage { position: relative; max-width: min(1100px, 92vw); }
.lb-stage img, .lb-stage video {
  max-width: 100%; max-height: 72vh; border-radius: 14px; box-shadow: 0 30px 80px rgba(0,0,0,.35);
  display: block; margin: 0 auto;
}
.lb-caption { text-align: center; color: #FBF3EE; margin-top: 16px; font-size: 14.5px; letter-spacing: 1px; }
.lb-caption b { font-family: var(--serif); font-size: 17px; letter-spacing: 2px; display: block; margin-bottom: 4px; }
.lb-thumbs { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; justify-content: center; }
.lb-thumbs img {
  width: 64px; height: 64px; object-fit: cover; border-radius: 10px; cursor: pointer;
  opacity: .55; border: 2px solid transparent; transition: all .25s;
}
.lb-thumbs img:hover { opacity: 1; }
.lb-thumbs img.on { opacity: 1; border-color: var(--rose); transform: scale(1.08); }
.lb-btn {
  position: fixed; top: 50%; transform: translateY(-50%); z-index: 310;
  width: 46px; height: 46px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.9); color: var(--ink); font-size: 19px;
  box-shadow: var(--shadow-sm); transition: transform .2s;
  display: flex; align-items: center; justify-content: center;
}
.lb-btn:hover { transform: translateY(-50%) scale(1.1); }
.lb-prev { left: 26px; } .lb-next { right: 26px; }
.lb-close {
  position: fixed; top: 22px; right: 26px; z-index: 310;
  width: 44px; height: 44px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.9); color: var(--ink); font-size: 17px;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-sm);
}

/* ============ 滚动浮现 ============ */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* ============ 作品详情页（iframe 内嵌作业） ============ */
.detail-nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(18px, 5vw, 64px);
  background: rgba(254,252,250,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(96,74,66,.07);
}
.detail-nav a.back { text-decoration: none; color: var(--sub); font-size: 14px; letter-spacing: 1px; display: inline-flex; align-items: center; gap: 8px; transition: color .25s; }
.detail-nav a.back:hover { color: var(--rose-d, #C98D86); }
.detail-nav .title { font-family: var(--serif); letter-spacing: 3px; font-size: 17px; }
.detail-hero { max-width: 1100px; margin: 0 auto; padding: 60px 24px 10px; text-align: center; }
.detail-hero .en { font-size: 12px; letter-spacing: 5px; color: var(--rose-d, #C98D86); text-transform: uppercase; }
.detail-hero h1 { font-family: var(--serif); font-size: clamp(28px, 4vw, 44px); letter-spacing: 4px; margin-top: 8px; }
.detail-hero .desc { color: var(--sub); max-width: 62ch; margin: 14px auto 0; font-size: 15px; }
.detail-meta {
  display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; margin-top: 20px;
  font-size: 13px; color: var(--sub); letter-spacing: 1px;
}
.detail-meta b { color: var(--ink); font-weight: 600; }
.frame-wrap {
  max-width: 1100px; margin: 40px auto 20px; padding: 0 24px;
}
.frame-box {
  position: relative; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); background: #fff;
  border: 1px solid rgba(96,74,66,.08);
}
.frame-box iframe { width: 100%; height: min(76vh, 760px); border: 0; display: block; background: #fff; }
.frame-box.tall iframe { height: min(84vh, 860px); }
.frame-tips { text-align: center; color: var(--sub); font-size: 13px; margin-top: 14px; letter-spacing: .5px; }
.frame-actions { display: flex; justify-content: center; gap: 14px; margin: 26px 0 60px; }
.detail-note { max-width: 760px; margin: 0 auto 70px; padding: 0 24px; }
.detail-note .note-card {
  background: var(--gold-soft); border-radius: 18px; padding: 24px 28px; font-size: 14px; color: #7A6C4E;
}
.detail-note .note-card b { display: block; margin-bottom: 6px; font-size: 14.5px; letter-spacing: 1px; }

/* ============ 响应式 ============ */
@media (max-width: 1100px) {
  .wh-row { grid-template-columns: 100px 1fr; }
  .wh-side { display: none; }
}
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: calc(var(--nav-h) + 30px); gap: 40px; }
  .hero-collage { height: min(92vw, 560px); max-height: 560px; margin-top: 10px; }
  .about-wrap { grid-template-columns: 1fr; }
  .nav-links a:nth-child(n+3) { display: none; }
  .wh-row { grid-template-columns: 1fr; gap: 14px; }
  .wh-index { flex-direction: row; align-items: center; gap: 14px; }
  .wh-num { font-size: 30px; }
  .wh-tag { margin-left: 0; }
}
@media (max-width: 640px) {
  .works-grid { grid-template-columns: 1fr; }
  section { padding-top: 64px; padding-bottom: 64px; }
  .lb-prev { left: 10px; } .lb-next { right: 10px; }
  .hero-collage { height: min(104vw, 480px); }
  .wh-ghost { font-size: 62px; opacity: .12; }
  .wh-title h2 { letter-spacing: 7px; }
  .nav-logo b em { display: none; }
}