/* home.css · 首页 (index.html) 样式。
   拆出原因：HTML 不再背 ~640 行 CSS，浏览器可缓存。
   发版自动戳 ?v= 在 publish.sh 里。 */

:root {
  --bg: #f5f1e8;
  --paper: #efe8d6;
  --text: #2c2620;
  --accent: #8b5a3c;
  --seal: #b03a28;
  --muted: #8a8175;
  --border: #d4c8b0;
  --fill: rgba(176, 58, 40, 0.045);
  --fill-border: rgba(139, 90, 60, 0.55);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  background: var(--bg);
}
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Songti SC", "Songti TC", "STSong", "SimSun", "宋体", Georgia, serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.9;
}
a { color: inherit; text-decoration: none; }

/* —— 顶部 nav —— */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(245, 241, 232, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 100%;
}
/* 不支持 backdrop-filter 的环境：直接用不透明底色 */
@supports not ((backdrop-filter: blur(8px)) or (-webkit-backdrop-filter: blur(8px))) {
  .site-nav { background: rgba(245, 241, 232, 0.98); }
}
.site-nav .brand {
  font-size: 16px;
  letter-spacing: 8px;
  margin-right: -8px;
  color: var(--text);
}
.site-nav .nav-links {
  display: flex;
  gap: 32px;
}
.site-nav .nav-links a {
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--muted);
  transition: color 0.2s;
}
.site-nav .nav-links a:hover { color: var(--accent); }

/* 移动端汉堡按钮（默认隐藏，<=600px 才显示） */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  font-size: 22px; color: var(--text);
  padding: 4px 10px; line-height: 1;
  font-family: inherit;
}
.nav-toggle:hover { color: var(--seal); }

/* —— section 通用 —— */
section {
  scroll-margin-top: 70px;
  padding: 88px 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.section-mark {
  text-align: center;
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 8px;
  opacity: 0.55;
  margin-bottom: 56px;
}
.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: normal;
  letter-spacing: 24px;
  margin-right: -24px;
  margin-bottom: 14px;
  color: var(--text);
}
.section-subtitle {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 5px;
  margin-right: -5px;
  margin-bottom: 64px;
}

/* —— 完形填空 placeholder —— */
.blank {
  border: 1.5px dashed var(--fill-border);
  background: var(--fill);
  padding: 36px 32px;
  margin: 24px 0;
  border-radius: 2px;
  position: relative;
  color: var(--text);
}
.blank-tag {
  position: absolute;
  top: -11px;
  left: 24px;
  background: var(--bg);
  padding: 0 10px;
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--accent);
  margin-right: -4px;
}
.blank .hint {
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
  font-style: normal;
}
.blank .hint em {
  font-style: normal;
  color: var(--accent);
  background: rgba(255,255,255,0.5);
  padding: 0 4px;
}

/* —— Hero —— */
.hero {
  min-height: calc(82vh - 56px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 48px;
  max-width: none;
  position: relative;
  overflow: hidden;
}
/* 背景水墨大字水印 —— "年年有余" 半透明 */
.hero::before {
  content: "年年有余";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(180px, 32vw, 380px);
  letter-spacing: 24px;
  margin-right: -24px;
  color: var(--seal);
  opacity: 0.022;
  font-weight: 600;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
  line-height: 1;
}
.hero > * { position: relative; z-index: 1; }
.hero-name {
  font-size: 88px;
  letter-spacing: 32px;
  margin-right: -32px;
  font-weight: normal;
  margin-bottom: 28px;
  color: var(--text);
  animation: fadeInUp 1.4s ease-out both;
}
.hero-seal {
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 8px;
  margin-right: -8px;
  margin-bottom: 16px;
  animation: fadeInUp 1.4s ease-out 0.3s both;
}
.hero-seal .dot { color: var(--seal); margin: 0 6px; }
.hero-tagline {
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 4px;
  margin-right: -4px;
  animation: fadeInUp 1.4s ease-out 0.55s both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-ctas {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeInUp 1.4s ease-out 0.85s both;
}
.hero-cta-primary {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 6px;
  margin-right: -6px;
  padding: 12px 32px;
  transition: all 0.25s;
  white-space: nowrap;
  background: var(--seal);
  color: #f2ecdb;
  border: 1px solid var(--seal);
}
.hero-cta-primary:hover { background: #983127; border-color: #983127; }
.hero-scroll {
  margin-top: 48px;
  color: var(--muted);
  font-size: 16px;
  opacity: 0.45;
  animation: bob 2.5s ease-in-out infinite;
}
.hero-scroll:hover { color: var(--accent); opacity: 0.9; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* —— About —— */
.about .blank { max-width: 640px; margin: 0 auto; }
.about .hint { font-size: 16px; line-height: 2.2; text-align: center; }

/* —— 字 (作品) —— */
.works-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  width: 100%;
}

.work {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: inherit;
  padding: 22px 18px 20px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.4);
  transition: all 0.35s ease;
}
.work.live:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.6);
  transform: translateY(-3px);
  box-shadow: 0 8px 22px -12px rgba(44,38,32,0.3);
}
.work.live:hover .cover { box-shadow: 0 10px 22px -6px rgba(44,38,32,0.42); }
.work.coming { cursor: default; background: rgba(255,255,255,0.25); }
.work.coming .cover { opacity: 0.78; filter: saturate(0.88); }
.work.coming:hover .cover { opacity: 0.9; }
.work .cover {
  width: 100%;
  max-width: 168px;
  height: auto;
  display: block;
  box-shadow: 0 5px 16px -8px rgba(44,38,32,0.32);
  transition: all 0.35s ease;
  margin-bottom: 16px;
}
.work .label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 6px;
  margin-bottom: 10px;
  margin-right: -6px;
  text-align: center;
}
.work.live .label { color: var(--accent); }
.work .summary {
  font-size: 13px;
  line-height: 1.85;
  color: var(--text);
  text-align: center;
  margin-bottom: 14px;
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.work .summary em { font-style: normal; color: var(--accent); }
.work .arrow {
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 4px;
  margin-right: -4px;
  text-align: center;
}
.work.coming .arrow { color: var(--muted); }

/* —— 易 (交易) —— */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.card, a.card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.4);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}
.card:hover { border-color: var(--accent); background: rgba(255,255,255,0.6); transform: translateY(-2px); }
.card h3 {
  font-size: 22px;
  font-weight: normal;
  letter-spacing: 8px;
  margin-right: -8px;
  margin-bottom: 24px;
}
.card .blank-tag-inline {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px dashed var(--fill-border);
  padding: 2px 8px;
  margin: 0 auto 18px;
  background: var(--fill);
}
.card .card-body {
  font-size: 14px;
  line-height: 1.95;
  color: var(--muted);
  flex: 1;
  text-align: center;
}
.card .card-link {
  margin-top: 20px;
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 4px;
  margin-right: -4px;
}

/* —— 工作室 —— */
.studio-quote {
  max-width: 580px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--text);
  font-size: 16px;
  line-height: 2.2;
  font-style: italic;
  color: var(--muted);
}
.studio-quote::before, .studio-quote::after { content: "「"; color: var(--accent); margin-right: 4px; }
.studio-quote::after { content: "」"; margin-left: 4px; margin-right: 0; }
.gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.frame {
  aspect-ratio: 1 / 1;
  border: 1px dashed rgba(139, 90, 60, 0.32);
  background: rgba(255, 255, 255, 0.22);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
  transition: all 0.35s ease;
}
.frame:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.45);
  transform: translateY(-2px);
}
.frame-char {
  font-size: 48px;
  color: var(--accent);
  opacity: 0.42;
  margin-bottom: 16px;
  letter-spacing: 0;
  transition: opacity 0.35s;
}
.frame:hover .frame-char { opacity: 0.7; }
.frame-note {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 2px;
  opacity: 0.7;
  line-height: 1.7;
}

/* —— 联系 —— */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.contact-card {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.4);
  padding: 36px 24px;
  text-align: center;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.contact-card h3 {
  font-size: 20px;
  font-weight: normal;
  letter-spacing: 8px;
  margin-right: -8px;
  margin-bottom: 18px;
}
.contact-card .blank-tag-inline {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px dashed var(--fill-border);
  padding: 2px 8px;
  margin-bottom: 18px;
  background: var(--fill);
}
.contact-card .body {
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}

/* —— Footer —— */
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 4px;
  padding: 64px 24px 48px;
  border-top: 1px solid var(--border);
  margin-top: 48px;
}
.site-footer .motto {
  color: var(--text);
  font-size: 14px;
  letter-spacing: 12px;
  margin-bottom: 10px;
  margin-right: -12px;
  opacity: 0.7;
}

/* —— 已填的文字块 —— */
.text-block {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  line-height: 2.3;
  color: var(--text);
}
.text-block p { margin: 0; }
.text-block p + p { margin-top: 1em; }
.text-block .pad { margin-top: 1.5em; }
.text-block .quote {
  color: var(--accent);
  font-style: italic;
  margin-top: 1.6em;
}
.text-block .closing { margin-top: 1.6em; }

/* —— Responsive —— */
@media (max-width: 880px) {
  .works-grid { grid-template-columns: repeat(3, 1fr); }
  .cards-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero-name { font-size: 64px; letter-spacing: 24px; margin-right: -24px; }
  .section-title { font-size: 28px; letter-spacing: 16px; margin-right: -16px; }
  .site-nav { padding: 12px 18px; }
  .site-nav .nav-links { gap: 18px; }
  .site-nav .nav-links a { font-size: 12px; letter-spacing: 3px; }
  section { padding: 72px 20px; }
}
@media (max-width: 600px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-toggle { display: block; }
  .site-nav .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 6px;
    background: rgba(245, 241, 232, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px 18px;
    box-shadow: 0 8px 20px -12px rgba(44,38,32,0.25);
  }
  .site-nav .nav-links a {
    padding: 8px 4px;
    font-size: 14px; letter-spacing: 4px;
  }
  .site-nav.nav-open .nav-links { display: flex; }
}
@media (max-width: 460px) {
  .works-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; }
  .hero-name { font-size: 52px; letter-spacing: 20px; margin-right: -20px; }
  .site-nav .brand { font-size: 14px; letter-spacing: 6px; margin-right: -6px; }
}