/* ===== 基础变量（方案C 奶油焦糖） ===== */
:root {
  --bg-main: #F5EFE6;
  --bg-card: #EBE0D0;
  --accent: #A8623A;
  --accent-hover: #8F4F2E;
  --text-dark: #4A3B2E;
  --text-light: #6B5D4F;
  --border-soft: #D4C4AE;
}

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

body {
  font-family: "Noto Serif SC", "PingFang SC", serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.7;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 2.5rem; z-index: 100;
  background: rgba(245,239,230,0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-soft);
  transition: background .3s;
}
.nav-logo { font-weight: 700; letter-spacing: .05em; }
.nav-links a {
  margin-left: 1.8rem; text-decoration: none;
  color: var(--text-dark); font-size: .95rem;
  transition: color .3s;
}
.nav-links a:hover { color: var(--accent); }

/* ===== 双语切换 ===== */
.en { display: none; }
body.lang-en .zh { display: none; }
body.lang-en .en { display: inline; }
.zh-inline { display: none; }
body.lang-en .zh-inline { display: inline; }
.lang-toggle {
  border: 1px solid var(--accent); background: transparent;
  color: var(--accent); padding: .35rem .8rem;
  border-radius: 14px; cursor: pointer; font-size: .8rem;
  font-weight: 700; transition: .3s;
}
.lang-toggle:hover { background: var(--accent); color: #fff; }

/* ===== Hero ===== */
.hero {
  display: flex; flex-wrap: wrap; gap: 2.5rem;
  max-width: 1100px; margin: 0 auto;
  padding: 8rem 2rem 4rem;
  align-items: flex-start;
}
.hero-photo img {
  width: 220px; height: 280px; object-fit: cover;
  border-radius: 12px; box-shadow: 0 10px 30px rgba(74,59,46,.15);
  object-position: center 25%;
}

.hero-text { flex: 1; min-width: 280px; }
.hero-text h1 { font-size: 2.2rem; margin-bottom: .3rem; }
.hero-text h1 span { font-size: 1.1rem; color: var(--text-light); font-weight: 400; margin-left: .5rem; }
.hero-role { color: var(--accent); font-weight: 600; margin-bottom: 1rem; }
.hero-bio { margin-bottom: 1.5rem; color: var(--text-light); }
.hero-bio-closing { font-weight: 600; color: var(--text-dark); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 2rem; }
.meta-block { min-width: 220px; }
.meta-label {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); font-weight: 700; margin-bottom: .4rem;
}
.meta-block p { font-size: .9rem; color: var(--text-light); margin-bottom: .2rem; }

/* ===== Section 通用 ===== */
.section {
  max-width: 1100px; margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--border-soft);
}
.section-title { font-size: 1.8rem; margin-bottom: .3rem; }
.section-sub { color: var(--text-light); margin-bottom: 2.5rem; font-size: .95rem; }

/* ===== 段落点题引言（静态样式，动效见下方 blur-reveal） ===== */
.section-intro {
  color: var(--text-dark); font-weight: 600;
  margin-bottom: 2rem; padding: 1rem 1.4rem;
  background: var(--bg-card); border-radius: 12px;
  border-left: 3px solid var(--accent);
}

/* ===== ⭐ 点题引言逐字模糊浮现动效 (BlurText) ===== */
.blur-reveal {
  display: flex;
  flex-wrap: wrap;
  row-gap: 0.15em;
}
.blur-word {
  display: inline-block;
  margin-right: 0.28em;
  filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
  transition: filter .7s ease-out, opacity .7s ease-out, transform .7s ease-out;
}
.blur-word.in-view {
  filter: blur(0px);
  opacity: 1;
  transform: translateY(0);
}

/* ===== Education 模块强化 ===== */
.edu-section { text-align: left; }
.edu-section .section-title { display: flex; align-items: center; gap: .5rem; margin-bottom: 1.5rem; }
.edu-icon { font-size: 1.4rem; }
.edu-grid { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.edu-card {
  flex: 1; min-width: 280px;
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  box-shadow: 0 4px 16px rgba(74,59,46,.06);
}
.edu-school { font-weight: 700; color: var(--accent); font-size: 1.1rem; margin-bottom: .3rem; }
.edu-detail { font-size: .9rem; color: var(--text-light); margin-bottom: .6rem; }
.edu-note { font-size: .92rem; color: var(--text-dark); line-height: 1.6; }
.edu-portrait-block { text-align: center; margin-top: 2rem; }
.edu-portrait-block img {
  width: 220px; border-radius: 12px;
  box-shadow: 0 10px 30px rgba(74,59,46,.15);
}
.edu-portrait-caption { font-style: italic; color: var(--text-light); margin-top: .8rem; font-size: .9rem; }

/* ===== Experience / Project 条目 ===== */
.exp-item, .project-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px rgba(74,59,46,.06);
}
.exp-header { margin-bottom: .8rem; }
.exp-tag {
  display: inline-block; font-size: .75rem;
  background: var(--border-soft); color: var(--text-dark);
  padding: .25rem .7rem; border-radius: 12px;
  margin-bottom: .5rem;
}
.exp-tag.accent { background: var(--accent); color: #fff; }
.exp-header h3 { font-size: 1.3rem; margin-top: .3rem; }
.exp-desc, .project-desc { color: var(--text-light); margin-bottom: .8rem; }
.exp-link {
  color: var(--accent); font-weight: 600; text-decoration: none;
  border-bottom: 1px solid var(--accent); padding-bottom: 1px;
  transition: color .3s;
}
.exp-link:hover { color: var(--accent-hover); }
.watch-link { display: inline-block; margin: 0.3rem 0 1.5rem; }

.project-body { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: flex-start; }
.project-poster { width: 160px; border-radius: 10px; box-shadow: 0 6px 20px rgba(74,59,46,.12); }
.project-content { flex: 1; min-width: 240px; }
.project-note { font-style: italic; color: var(--text-light); font-size: .9rem; margin-bottom: .5rem; }
.bts-label {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); font-weight: 700; margin: 1.2rem 0 .5rem;
}
.carousel-group-label {
  font-size: .8rem; text-transform: uppercase; letter-spacing: .1em;
  color: var(--accent); font-weight: 700; margin: 1.5rem 0 .3rem;
}
.watch-note { font-size: .9rem; color: var(--text-light); margin-top: .8rem; }
.watch-note a { color: var(--accent); text-decoration: underline; }
.single-still-wrap { text-align: center; }
.single-still { width: 100%; max-width: 500px; border-radius: 12px; margin: 1rem auto; display: block; }
.copyright-note { font-size: .82rem; color: var(--text-light); font-style: italic; margin: -.4rem 0 .8rem; }

/* ===== Why This Story ===== */
.why-story {
  border-left: 3px solid var(--accent);
  padding-left: 1.2rem; margin: 1.5rem 0;
}
.why-label {
  font-size: .8rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: .5rem;
}
.why-text { font-style: italic; color: var(--text-dark); }

/* ===== 轮播组件 ===== */
.carousel {
  position: relative; max-width: 720px; margin: 1.8rem auto;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border-soft);
  background: #fff;
  box-shadow: 0 8px 24px rgba(74,59,46,.1);
}
.carousel-track { display: flex; transition: transform .5s ease; }
.carousel-slide { flex: 0 0 100%; cursor: zoom-in; }
.carousel-slide img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; border: none;
  background: rgba(245,239,230,.9); color: var(--text-dark);
  font-size: 1.4rem; cursor: pointer; transition: .3s;
}
.carousel-btn:hover { background: var(--accent); color: #fff; }
.carousel-btn.prev { left: 12px; } .carousel-btn.next { right: 12px; }
.carousel-dots {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(74,59,46,.3); cursor: pointer; transition: .3s;
}
.carousel-dot.active { background: var(--accent); width: 20px; border-radius: 4px; }

/* ===== Lightbox 灯箱 ===== */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(74,59,46,.85);
  align-items: center; justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img { max-width: 90%; max-height: 85%; border-radius: 8px; }
.lightbox-close {
  position: absolute; top: 24px; right: 36px;
  font-size: 2.2rem; color: #fff; cursor: pointer;
}

/* ===== Contact ===== */
.contact-section { text-align: center; }
.contact-actions {
  display: flex; flex-direction: column; gap: 1rem;
  align-items: center; margin: 2rem 0;
}
.email-block { display: flex; flex-direction: column; align-items: center; gap: .7rem; }
.contact-btn {
  background: var(--accent); color: #fff;
  padding: .8rem 1.8rem; border-radius: 30px;
  text-decoration: none; font-weight: 700;
  transition: background .3s;
}
.contact-btn:hover { background: var(--accent-hover); }
.copy-item {
  display: flex; align-items: center; gap: 1rem;
  background: var(--bg-card); padding: .6rem 1.2rem;
  border-radius: 20px;
}
.copy-btn {
  border: 1px solid var(--accent); background: transparent;
  color: var(--accent); padding: .3rem .9rem;
  border-radius: 15px; cursor: pointer; font-size: .85rem;
  transition: .3s;
}
.copy-btn:hover { background: var(--accent); color: #fff; }
.contact-based { color: var(--text-light); font-size: .9rem; margin-top: .5rem; }
.qrcode-block { margin-top: 2.5rem; }
.qrcode-block img { width: 160px; border-radius: 8px; }
.qrcode-label { font-size: .9rem; color: var(--text-light); margin-top: .6rem; }

/* ===== Footer ===== */
.footer { text-align: center; padding: 4rem 2rem 3rem; color: var(--text-light); }
.footer-quote { font-style: italic; margin-bottom: 1rem; font-size: .95rem; }
.footer-thanks { font-weight: 700; color: var(--accent); }

/* ===== 返回顶部悬浮按钮（左下角，悬停加轻磨砂高光） ===== */
.back-to-top {
  position: fixed; bottom: 28px; left: 28px;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none;
  font-size: 1.3rem; cursor: pointer;
  box-shadow: 0 6px 18px rgba(74,59,46,.25);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s, transform .3s, background .3s, box-shadow .3s;
  z-index: 90;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover {
  background: var(--accent-hover);
  backdrop-filter: blur(6px);
  box-shadow: inset 0 1px 1px rgba(255,255,255,.15), 0 6px 18px rgba(74,59,46,.3);
}

/* ===== Photography 开场声明面板 + 非对称瀑布流画廊 ===== */
.photography-section { padding-top: 3rem; }

.photo-intro-panel {
  max-width: 700px;
  margin: 0 auto 5rem;
  text-align: center;
  padding: 4rem 1.5rem 2rem;
  position: relative;
}
.photo-intro-label {
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.photo-intro-quote {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  justify-content: center;
}
.photo-intro-sub {
  font-size: .95rem;
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto 2.5rem;
}
.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: var(--text-light);
  font-size: .8rem;
}
.scroll-arrow {
  font-size: 1.1rem;
  color: var(--accent);
  animation: bounce-down 1.8s infinite ease-in-out;
}
@keyframes bounce-down {
  0%, 100% { transform: translateY(0); opacity: .6; }
  50% { transform: translateY(6px); opacity: 1; }
}

.photo-masonry {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
}
.photo-tile {
  overflow: hidden;
  border-radius: 12px;
  cursor: zoom-in;
  box-shadow: 0 6px 20px rgba(74,59,46,.08);
}
.photo-tile img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.photo-tile:hover img { transform: scale(1.06); }
.photo-tile.photo-large {
  grid-column: span 2;
  grid-row: span 2;
}

/* ===== Portfolio 索引页 ===== */
.portfolio-index {
  padding-top: 3rem;
  border-top: 1px solid var(--border-soft);
}
.portfolio-intro-panel {
  max-width: 700px;
  margin: 0 auto 4rem;
  text-align: center;
  padding: 5rem 1.5rem 1rem;
}
.portfolio-intro-label {
  font-size: .8rem; letter-spacing: .15em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 1.2rem;
}
.portfolio-intro-quote {
  font-size: 1.7rem; font-weight: 600; color: var(--text-dark);
  line-height: 1.6; margin-bottom: 1.2rem; justify-content: center;
}
.portfolio-intro-sub { font-size: .95rem; color: var(--text-light); }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
}
.portfolio-card {
  display: block; text-decoration: none; color: inherit;
  border-radius: 14px; overflow: hidden;
  background: var(--bg-card);
  box-shadow: 0 4px 16px rgba(74,59,46,.08);
  transition: transform .35s ease, box-shadow .35s ease;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 30px rgba(74,59,46,.15);
}
.portfolio-cover { aspect-ratio: 4/3; overflow: hidden; }
.portfolio-cover img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.portfolio-card:hover .portfolio-cover img { transform: scale(1.07); }
.portfolio-card-info { padding: 1rem 1.2rem 1.3rem; }
.portfolio-card-tag {
  font-size: .72rem; color: var(--accent); font-weight: 700;
  text-transform: uppercase; letter-spacing: .05em;
}
.portfolio-card-info h3 { font-size: 1.15rem; margin-top: .3rem; }

/* ===== 详情页通用容器 ===== */
.detail-page {
  max-width: 900px; margin: 0 auto;
  padding: 7rem 1.5rem 4rem;
}
.back-link {
  display: inline-block; margin-bottom: 2rem;
  color: var(--accent); font-weight: 600; text-decoration: none;
  font-size: .9rem; transition: color .3s;
}
.back-link:hover { color: var(--accent-hover); }
.project-card.standalone { margin-bottom: 0; }

/* ===== 响应式 ===== */
@media (max-width: 700px) {
  .nav-links { display: none; }
  .hero { padding-top: 6rem; }
  .edu-grid { flex-direction: column; }
  .photo-masonry {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 160px;
  }
  .photo-intro-quote { font-size: 1.3rem; }
}