/* ============================================================
   八雅 v2 · 新八雅 琴棋书画诗拳游
   风格：夜宴金 + 宣纸层次 + 印章红点缀（摆脱"太素"的极简纸白）
   2026-10-14 凌晨 老赵指令：主页改风格，用新八雅
   ============================================================ */
:root {
  --ink: #2b2b26; --paper: #f7f4ec; --card: #fffdf7;
  --accent: #9a3b2d; --accent-soft: #c8a882;
  --line: #e4ddcc; --muted: #8a8375;
  /* 夜宴色系 */
  --night: #14100a; --night-2: #241c10; --gold: #d4b96a; --gold-dim: #8a7340;
  --seal: #b5432f;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Songti SC","STSong","SimSun",serif; background: var(--paper); color: var(--ink); line-height: 1.7; }

/* ---------- 顶栏：夜色描金 ---------- */
.topbar { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between;
  padding: 12px 5vw; background: linear-gradient(180deg, #1c1610, #14100a); border-bottom: 1px solid var(--gold-dim); }
.brand { font-size: 22px; letter-spacing: 4px; color: #f0e4c8; }
.brand .accent { color: var(--gold); }
.topbar nav a { margin-left: 20px; text-decoration: none; color: #9a8a68; font-size: 15px; padding-bottom: 4px; transition: .15s; }
.topbar nav a.active, .topbar nav a:hover { color: var(--gold); border-bottom: 2px solid var(--gold); }
.topbar nav a[href="/baya.html"] { color: var(--gold); font-weight: 700; }

/* ---------- 首页 hero：夜宴横幅 ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 0 4vw 60px; }
.hero {
  text-align: center; padding: 54px 20px 40px; margin: 0 -4vw 10px; position: relative;
  background: radial-gradient(ellipse at 50% 0%, #2c2212 0%, var(--night) 68%);
  color: #f0e4c8; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(circle at 12% 30%, rgba(212,185,106,.10) 0 60px, transparent 62px),
    radial-gradient(circle at 88% 65%, rgba(212,185,106,.08) 0 80px, transparent 82px),
    radial-gradient(circle at 75% 15%, rgba(181,67,47,.10) 0 34px, transparent 36px);
}
.hero h1 {
  font-size: clamp(38px, 7vw, 64px); letter-spacing: 14px; font-weight: 400;
  color: var(--gold); text-shadow: 0 2px 22px rgba(212,185,106,.25); position: relative;
}
.hero .sub { color: #9a8a68; margin-top: 14px; letter-spacing: 4px; font-size: 15px; position: relative; }
.hero .seal {
  display: inline-block; margin-top: 18px; padding: 6px 18px;
  border: 1.5px solid var(--seal); color: #e8a08e; border-radius: 4px;
  letter-spacing: 5px; font-size: 13px; position: relative; transform: rotate(-1.2deg);
  background: rgba(181,67,47,.08);
}

/* ---------- 八雅大字墙（新八雅） ---------- */
.eight-hero { display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px; margin: 8px 0 30px; }
.eight-big {
  aspect-ratio: 3/4.4; border-radius: 12px; position: relative; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(160deg, var(--night-2), #191308);
  border: 1px solid #3a3128; transition: transform .18s, border-color .18s, box-shadow .18s;
  overflow: hidden;
}
.eight-big::after {
  content: attr(data-poem); position: absolute; bottom: 8px; left: 0; right: 0;
  font-size: 10px; color: #7a6b4d; letter-spacing: 1px; padding: 0 4px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.eight-big .zi {
  font-size: clamp(30px, 4.6vw, 46px); color: var(--gold);
  font-family: "Kaiti SC","STKaiti","Songti SC",serif;
  text-shadow: 0 3px 14px rgba(212,185,106,.35);
}
.eight-big .tag { margin-top: 8px; font-size: 11px; color: #9a8a68; letter-spacing: 2px; position: relative; }
.eight-big:hover { transform: translateY(-5px); border-color: var(--gold-dim); box-shadow: 0 14px 34px rgba(0,0,0,.5); }
.eight-big:hover .zi { color: #f4d98a; }

/* ---------- 入口卡：描金 ---------- */
.dual-entry { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; }
.entry-card { display: block; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 26px 24px; text-decoration: none; color: var(--ink); transition: .2s; }
.entry-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(154,59,45,.15); border-color: var(--gold-dim); }
.entry-card.night-card { background: linear-gradient(135deg,#2a1f10,#1a1208); border-color: var(--gold); color: #f0e4c8; }
.entry-card.night-card b { color: var(--gold); }
.entry-card.night-card i { color: #9a8a68; }
.entry-icon { display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--accent); color: var(--accent); border-radius: 50%; font-size: 20px; margin-bottom: 10px; }
.night-card .entry-icon { border-color: var(--gold); color: var(--gold); }
.entry-card b { display: block; font-size: 19px; }
.entry-card i { font-style: normal; color: var(--muted); font-size: 13px; }

/* ---------- 老八雅九宫格降级为隐藏（被 eight-hero 替代） ---------- */
.eight-grid { display: none; }

/* ---------- 卡片微调 ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.daily h3 { font-weight: 400; letter-spacing: 2px; margin-bottom: 12px; color: var(--accent); }
.daily p { margin: 6px 0; font-size: 14.5px; }
.daily .label { display: inline-block; width: 64px; color: var(--muted); font-size: 12px; }

/* ---------- 页脚 ---------- */
.footer-v2 { text-align: center; color: var(--muted); font-size: 12.5px; padding: 26px 0 10px; letter-spacing: 2px; }
.footer-v2 .ya-row { color: var(--gold-dim); margin-top: 4px; letter-spacing: 6px; }

/* ---------- 响应式 ---------- */
@media (max-width: 760px) {
  .eight-hero { grid-template-columns: repeat(4, 1fr); gap: 9px; }
  .hero h1 { letter-spacing: 8px; }
  .hero { padding: 40px 14px 32px; }
  .topbar nav a { margin-left: 12px; font-size: 13.5px; }
}

.ya-note { text-align:center; color:var(--muted); font-size:12px; letter-spacing:2px; margin:2px 0 10px; }

/* v2.2 新八雅对联 */
.couplet-wrap { position: relative; display:flex; justify-content:space-between; margin: 6px -4vw 0; padding: 0 3vw; }
.couplet {
  writing-mode: vertical-rl; font-family: "Kaiti SC","STKaiti",serif;
  color: var(--gold); font-size: clamp(15px, 2vw, 22px); letter-spacing: 6px;
  line-height: 2; padding: 14px 10px; text-align:center;
  background: linear-gradient(180deg, rgba(212,185,106,.08), transparent);
  border-top: 3px solid var(--seal); border-bottom: 1px solid var(--gold-dim);
}
.couplet-heng {
  position:absolute; top:-14px; left:50%; transform:translateX(-50%);
  font-family: "Kaiti SC","STKaiti",serif; color:#f0e4c8; letter-spacing: 10px;
  font-size: clamp(14px, 1.8vw, 20px); padding: 4px 16px;
  background: var(--seal); border-radius: 4px; box-shadow: 0 4px 14px rgba(181,67,47,.4);
}
@media (max-width: 760px) {
  .couplet { font-size: 12px; letter-spacing: 3px; padding: 10px 6px; }
  .couplet-heng { font-size: 12px; letter-spacing: 6px; }
}

/* v2.3 对联图横幅 */
.couplet-banner { margin: 10px -4vw 16px; text-align:center; background: linear-gradient(180deg,#f5f2ea,#eceadf); }
.couplet-banner img { max-width: 100%; width: auto; max-height: 88vh; object-fit: contain; display:block; margin: 0 auto; }

/* v2.4 双卷轴对联 */
.couplet-banner { display:none; }
.couplet-wrap-v2 {
  display: flex; align-items: stretch; justify-content: center; gap: 14px;
  margin: 14px -4vw 18px; padding: 18px 3vw 22px;
  background: linear-gradient(180deg, #f7f4ec 0%, #edeae0 100%);
}
.couplet-col { position: relative; flex: 1; max-width: 300px; display:block; text-decoration:none;
  border: 1px solid rgba(154,59,45,.18); border-radius: 6px; overflow: hidden;
  box-shadow: 0 6px 22px rgba(43,43,38,.12); transition: transform .2s, box-shadow .2s;
  background: #f7f4ec; }
.couplet-col:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(154,59,45,.22); }
.couplet-col img { width: 100%; height: auto; display: block; }
.couplet-text {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 8px 10px;
  background: linear-gradient(180deg, transparent, rgba(247,244,236,.95) 40%);
  font-family: "Kaiti SC","STKaiti",serif; color: #2b2b26; text-align: center;
  font-size: clamp(16px, 2.2vw, 24px); letter-spacing: 4px; line-height: 1.7;
}
.couplet-text span { font-size: clamp(11px, 1.4vw, 14px); letter-spacing: 2px; color: #6b6355; }
.couplet-center { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; min-width: 90px; }
.couplet-heng-v2 {
  writing-mode: vertical-rl; font-family: "Kaiti SC","STKaiti",serif;
  background: var(--seal); color: #f7f4ec; letter-spacing: 10px;
  font-size: clamp(16px, 2vw, 22px); padding: 14px 8px; border-radius: 4px;
  box-shadow: 0 4px 14px rgba(181,67,47,.4);
}
.couplet-sub { writing-mode: vertical-rl; color: #8a8375; font-size: 12px; letter-spacing: 4px; }
@media (max-width: 700px) {
  .couplet-wrap-v2 { gap: 8px; padding: 12px 2vw 14px; }
  .couplet-center { min-width: 54px; }
  .couplet-heng-v2 { font-size: 13px; letter-spacing: 5px; padding: 10px 5px; }
  .couplet-text { font-size: 13px; letter-spacing: 2px; padding: 8px 4px 8px; }
  .couplet-text span { font-size: 10px; }
}