/* ─────────────────────────────────────────────
   Lindaly.cn · 「昼夜 Two Skies」 v1.0
   昼 = 西方明亮：暖白 / 阳光金 / 森林绿
   夜 = 东方深邃：墨蓝 / 月光 / 黛山 / 金点
   ───────────────────────────────────────────── */

/* 自托管字体（已按用字子集化，大陆零外链） */
@font-face {
  font-family: "MSZ Brush";
  src: url("assets/fonts/MaShanZheng-sub.woff2") format("woff2");
  font-display: swap;
}
/* 马善政的「淀」字形有误（U+6DC0 画成了"绽"），之芒行楷单字补丁修正 */
@font-face {
  font-family: "MSZ Brush";
  src: url("assets/fonts/ZhiMangXing-dian.woff2") format("woff2");
  unicode-range: U+6DC0;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant G";
  src: url("assets/fonts/CormorantGaramond-sub.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Cormorant G";
  src: url("assets/fonts/CormorantGaramond-Italic-sub.woff2") format("woff2");
  font-weight: 300 700;
  font-style: italic;
  font-display: swap;
}

:root {
  /* 昼 Day */
  --bg: #faf7f0;
  --bg-soft: #f3eee1;
  --ink: #221f1a;
  --ink-soft: #4f483c;
  --gold: #c08a2d;
  --gold-bright: #e3aa3f;
  --green: #3d6b50;
  --jade: #5e8f76;
  --seal-red: #b03a2e;
  --card-bg: rgba(255, 253, 247, .82);
  --card-line: rgba(120, 100, 60, .18);
  --halo: rgba(238, 184, 77, .28);
  --mtn-far-a: #b9d3c4; --mtn-far-b: #e9efe2;
  --mtn-mid-a: #7caa92; --mtn-mid-b: #c2dac9;
  --mtn-near-a: #4a7e80; --mtn-near-b: #8fb6a3;
  --mtn-o-far: .38; --mtn-o-mid: .34; --mtn-o-near: .42;
  --shadow: 0 18px 50px -18px rgba(120, 90, 30, .25);

  --font-zh: "Songti SC", "STSong", "STZhongsong", "Noto Serif SC", "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
  --font-brush: "MSZ Brush", "Xingkai SC", "Kaiti SC", "STKaiti", "KaiTi", "Songti SC", serif;
  --font-en: "Cormorant G", "Didot", "Bodoni 72", "Playfair Display", "Georgia", serif;
  --font-body: "PingFang SC", -apple-system, "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

html[data-mode="night"] {
  /* 夜 Night */
  --bg: #0b0f1e;
  --bg-soft: #11172b;
  --ink: #eae6da;
  --ink-soft: #a59f8d;
  --gold: #d4ab58;
  --gold-bright: #ecc168;
  --green: #7fb89a;
  --jade: #8fc4a8;
  --seal-red: #c4493c;
  --card-bg: rgba(18, 24, 44, .78);
  --card-line: rgba(212, 171, 88, .22);
  --halo: rgba(236, 226, 190, .16);
  --mtn-far-a: #36436e; --mtn-far-b: #232c4d;
  --mtn-mid-a: #232c4d; --mtn-mid-b: #161d38;
  --mtn-near-a: #131a30; --mtn-near-b: #0a0e1d;
  --mtn-o-far: .8; --mtn-o-mid: .9; --mtn-o-near: .95;
  --shadow: 0 18px 50px -16px rgba(0, 0, 0, .6);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  overflow-x: hidden;
  transition: background-color .9s ease, color .9s ease;
}

::selection { background: var(--gold-bright); color: #1c1812; }

/* ── 天空画布 & 远山 ───────────────────────── */

#sky {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

.mountains {
  position: fixed; left: 0; right: 0; bottom: 0;
  height: min(34vh, 320px);
  z-index: 0; pointer-events: none;
}
.mtn { position: absolute; left: 0; bottom: 0; width: 100%; height: 100%; }
/* 千里江山青绿（昼）↔ 水墨黛山（夜） */
.gs-far-a  { stop-color: var(--mtn-far-a); transition: stop-color .9s; }
.gs-far-b  { stop-color: var(--mtn-far-b); transition: stop-color .9s; }
.gs-mid-a  { stop-color: var(--mtn-mid-a); transition: stop-color .9s; }
.gs-mid-b  { stop-color: var(--mtn-mid-b); transition: stop-color .9s; }
.gs-near-a { stop-color: var(--mtn-near-a); transition: stop-color .9s; }
.gs-near-b { stop-color: var(--mtn-near-b); transition: stop-color .9s; }
.mtn-far  { opacity: var(--mtn-o-far); transition: opacity .9s; }
.mtn-mid  { opacity: var(--mtn-o-mid); transition: opacity .9s; }
.mtn-near { opacity: var(--mtn-o-near); transition: opacity .9s; }

main, .nav, .footer { position: relative; z-index: 1; }

/* ── 导航 ─────────────────────────────────── */

.nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .8rem clamp(1rem, 4vw, 2.5rem);
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--card-line);
  transition: background-color .9s ease;
}

.brand {
  display: flex; align-items: center; gap: .6rem;
  text-decoration: none; color: var(--ink);
  margin-right: auto;
}
.nav-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
  box-shadow: 0 0 0 3px var(--halo);
}
.brand-name {
  font-family: var(--font-en); font-size: 1.25rem; letter-spacing: .04em;
  white-space: nowrap;
}
@media (max-width: 420px) { .brand-name i { display: none; } }
.brand-name i {
  font-style: normal; font-family: var(--font-brush);
  font-size: .95rem; color: var(--ink-soft); margin-left: .45rem;
}

.nav-links { display: flex; gap: clamp(.9rem, 2.5vw, 1.8rem); }
.nav-links a {
  color: var(--ink-soft); text-decoration: none;
  font-size: .92rem; letter-spacing: .14em;
  transition: color .3s;
  position: relative;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -5px;
  height: 2.5px; border-radius: 3px;
  background: linear-gradient(90deg, var(--gold-bright), var(--gold) 65%, transparent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .35s cubic-bezier(.6, 0, .2, 1);
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--card-line);
  background: var(--card-bg); color: var(--ink);
  cursor: pointer; font-size: 1rem; line-height: 1;
  transition: transform .3s, background-color .9s;
}
.nav-toggle:hover { transform: rotate(40deg) scale(1.08); }
.nt-night { display: none; }
html[data-mode="night"] .nt-day { display: none; }
html[data-mode="night"] .nt-night { display: inline; }

/* ── HERO ─────────────────────────────────── */

.hero {
  min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: clamp(5rem, 12vh, 8rem) 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

/* ── 日月璧：阳中有阴，阴中有阳 ─────────────── */

.disc-wrap {
  display: flex; flex-direction: column; align-items: center;
  margin-bottom: clamp(1.6rem, 4vh, 2.8rem);
  animation: rise-in .9s cubic-bezier(.2, .65, .3, 1) both;
}

.disc {
  position: relative;
  width: clamp(180px, 30vw, 270px);
  height: clamp(180px, 30vw, 270px);
  border: none; background: none; cursor: pointer; padding: 0;
  border-radius: 50%;
  filter: drop-shadow(0 0 70px var(--halo)) drop-shadow(0 0 26px var(--halo));
  transition: filter .9s, scale .4s cubic-bezier(.2, .8, .3, 1.3);
  animation: orb-float 8s ease-in-out infinite;
}
.disc:hover { scale: 1.03; }

@keyframes orb-float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -10px; }
}

/* 玉璧刻环 */
.disc-ring {
  position: absolute; inset: -7%;
  border-radius: 50%;
  border: 1px solid var(--card-line);
  pointer-events: none;
}
.disc-ring-dash {
  inset: -13%;
  border: 1.5px dashed color-mix(in srgb, var(--gold) 45%, transparent);
  animation: disc-spin 90s linear infinite;
}
@keyframes disc-spin { to { transform: rotate(360deg); } }

/* 轨道光点 */
.disc-orbit {
  position: absolute; inset: -13%;
  border-radius: 50%;
  animation: disc-spin 16s linear infinite;
  pointer-events: none;
}
.disc-orbit i {
  position: absolute; top: -4px; left: 50%;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 12px 3px var(--halo);
}

/* 日月双体：data-mode 切换时位置大小互换（CSS 过渡自动完成天体交换） */
.disc-body {
  position: absolute; border-radius: 50%; overflow: hidden;
  transition: top 1.1s cubic-bezier(.55, .05, .25, 1), left 1.1s cubic-bezier(.55, .05, .25, 1),
              width 1.1s cubic-bezier(.55, .05, .25, 1), height 1.1s cubic-bezier(.55, .05, .25, 1),
              box-shadow .9s;
}
.disc-body svg { width: 100%; height: 100%; display: block; }
.disc-moon .moon-full, .disc-moon .moon-crescent {
  position: absolute; inset: 0;
  transition: opacity .9s ease;
}
/* 昼：小月眼是弯月；夜：渐盈成满月 */
.disc-moon .moon-full { opacity: 0; }
.disc-moon .moon-crescent { opacity: 1; }
html[data-mode="night"] .disc-moon .moon-full { opacity: 1; }
html[data-mode="night"] .disc-moon .moon-crescent { opacity: 0; }

.disc-sun  { top: 0; left: 0; width: 100%; height: 100%; z-index: 1; }
.disc-moon {
  z-index: 2;
  top: 61%; left: 64%; width: 21%; height: 21%;
  box-shadow: 0 0 14px 2px rgba(250, 245, 225, .55);
  animation: eye-pulse 3s ease-in-out infinite;
}
html[data-mode="night"] .disc-sun {
  z-index: 3;
  top: 18%; left: 15%; width: 21%; height: 21%;
  box-shadow: 0 0 14px 2px rgba(242, 193, 78, .6);
  animation: eye-pulse 3s ease-in-out infinite;
}
html[data-mode="night"] .disc-moon {
  top: 0; left: 0; width: 100%; height: 100%;
  box-shadow: none;
  animation: none;
}
@keyframes eye-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.12); }
}

.disc-cap {
  margin-top: 1.4rem;
  font-family: var(--font-brush);
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: var(--ink-soft);
  letter-spacing: .12em;
  animation: cap-pulse 3.2s ease-in-out infinite;
}
.disc:hover + .disc-cap { color: var(--gold); }
@keyframes cap-pulse {
  0%, 100% { opacity: .65; }
  50% { opacity: 1; }
}

/* 我是谁 —— 首屏即名片 */
.hero-id {
  display: flex; flex-direction: column; align-items: center;
  max-width: 100%;
}
.hero-id > * { max-width: 100%; }

.motto-en {
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(.9rem, 1.8vw, 1.1rem);
  color: var(--gold); letter-spacing: .08em;
  margin-top: .4rem;
}
.hero-en-line {
  font-family: var(--font-en); font-style: italic;
  font-size: .82rem; color: var(--ink-soft); opacity: .8;
  letter-spacing: .05em;
  margin-top: .45rem;
}
.yi-seal {
  display: inline-block;
  font-family: var(--font-brush); font-style: normal;
  color: var(--seal-red);
  border: 1.6px solid var(--seal-red);
  border-radius: 6px;
  padding: .02em .32em .08em;
  margin-right: .55em;
  font-size: .88em;
  line-height: 1.3;
}
.daily-en {
  font-family: var(--font-en); font-style: italic;
  font-size: .72em; color: var(--ink-soft);
  margin-left: .6em; letter-spacing: .04em;
}

/* ── 签筒：今日宜 ─────────────────────────── */

.qian-wrap {
  margin-top: 1.5rem;
  min-height: 110px;
  display: flex; justify-content: center; align-items: flex-start;
}
.qian-tube {
  background: none; border: none; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: .55rem;
  transition: scale .3s cubic-bezier(.2, .8, .3, 1.3);
}
.qian-tube:hover { scale: 1.06; }
.qian-tube svg { width: 60px; height: 66px; overflow: visible; }
.qs { stroke: var(--gold); stroke-width: 2.4; stroke-linecap: round; }
.qsd { fill: var(--gold-bright); }
.qc {
  fill: var(--card-bg);
  stroke: var(--ink-soft); stroke-width: 2.2; stroke-linejoin: round;
}
.qt {
  font-family: var(--font-brush); font-size: 19px;
  fill: var(--seal-red); text-anchor: middle;
}
.qian-tube.shaking { animation: qshake .13s linear 7; }
@keyframes qshake {
  0%, 100% { transform: rotate(0); }
  25% { transform: rotate(-7deg) translateY(-2px); }
  75% { transform: rotate(7deg) translateY(-1px); }
}
.qian-label {
  font-family: var(--font-brush);
  font-size: 1.02rem; color: var(--ink-soft);
  letter-spacing: .12em;
  animation: cap-pulse 3.2s ease-in-out infinite;
}

.qian-card {
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 1.15rem 1.6rem 1rem;
  max-width: min(440px, 86vw);
  animation: rise-in .55s cubic-bezier(.2, .65, .3, 1) both;
  transition: opacity .3s, transform .3s;
}
.qian-card.swap { opacity: 0; transform: scale(.97); }
.qian-text {
  font-family: var(--font-brush);
  font-size: clamp(1.15rem, 2.6vw, 1.35rem);
  color: var(--ink); letter-spacing: .06em;
}
.qian-jie {
  font-size: .85rem; color: var(--ink-soft);
  margin-top: .45rem; line-height: 1.9;
}
.qian-foot {
  margin-top: .8rem;
  display: flex; flex-wrap: wrap; gap: .4rem 1.2rem;
  justify-content: center; align-items: center;
  font-size: .76rem; letter-spacing: .06em;
}
.qian-foot a { color: var(--gold); text-decoration: none; }
.qian-foot a:hover { text-decoration: underline; }
.qian-again {
  background: none; border: none; cursor: pointer;
  font-family: var(--font-brush);
  font-size: .85rem; color: var(--ink-soft);
  letter-spacing: .1em;
  border-bottom: 1px dashed var(--card-line);
  padding: 0 0 .1em;
}
.qian-again:hover { color: var(--gold); border-color: var(--gold); }

.hero-avatar {
  width: clamp(112px, 16vw, 148px); height: clamp(112px, 16vw, 148px);
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 7px var(--halo), var(--shadow);
  margin-bottom: 1.6rem;
}

.hero-name {
  font-family: var(--font-brush);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 5.4rem);
  line-height: 1.15;
  letter-spacing: .04em;
}
.hero-name em {
  font-style: italic; font-family: var(--font-en);
  font-size: .42em; color: var(--gold);
  letter-spacing: .06em;
  margin-left: .5em;
}

.hero-motto .motto-ai {
  font-family: var(--font-en);
  font-style: normal;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--gold);
}
.hero-motto {
  font-family: var(--font-brush);
  font-size: clamp(1.5rem, 4.2vw, 2.5rem);
  color: var(--ink);
  letter-spacing: .1em;
  margin-top: 1.1rem;
}

.hero-chain {
  margin-top: 1.7rem;
  display: flex; flex-wrap: wrap; justify-content: center;
  align-items: flex-start;
  gap: .25rem clamp(.4rem, 1.6vw, .9rem);
}
.hero-chain .node {
  display: inline-flex; flex-direction: column; align-items: center;
}
.hero-chain .node b {
  font-family: var(--font-brush); font-weight: 400;
  font-size: clamp(1.2rem, 2.7vw, 1.5rem);
  letter-spacing: .04em; color: var(--ink);
}
.hero-chain .n-up { translate: 0 -3px; rotate: -1.2deg; }
.hero-chain .n-dn { translate: 0 3px; rotate: 1deg; }
.arrow-svg {
  width: 34px; height: 14px;
  align-self: center;
  margin-top: .3em;
  opacity: .75;
}
.arrow-svg path {
  fill: none; stroke: var(--gold);
  stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
.hero-chain .node i {
  font-family: var(--font-en); font-style: italic;
  font-size: .62rem; color: var(--gold);
  letter-spacing: .04em; margin-top: .1em;
}
.hero-chain .arrow-dot {
  color: var(--gold); opacity: .9;
  align-self: center; margin-top: .3em;
}

.hero-tag {
  margin-top: 1rem;
  opacity: .8;
  font-size: .85rem;
  letter-spacing: .12em;
  color: var(--ink-soft);
  opacity: .85;
}

.hero-socials { display: flex; gap: .8rem; margin-top: 1.7rem; flex-wrap: wrap; justify-content: center; }

/* 入场：依次浮现 */
@keyframes rise-in {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}
.hero-id > * { animation: rise-in .9s cubic-bezier(.2, .65, .3, 1) both; }
.hero-id > :nth-child(1) { animation-delay: .05s; }
.hero-id > :nth-child(2) { animation-delay: .18s; }
.hero-id > :nth-child(3) { animation-delay: .34s; }
.hero-id > :nth-child(4) { animation-delay: .5s; }
.hero-id > :nth-child(5) { animation-delay: .62s; }
.hero-id > :nth-child(6) { animation-delay: .74s; }
.hero-id > :nth-child(7) { animation-delay: .84s; }
.hero-id > :nth-child(8) { animation-delay: .94s; }
.hero-id > :nth-child(9) { animation-delay: 1.05s; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

  70% { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

/* ── 通用 Section ─────────────────────────── */

.section {
  padding: clamp(5rem, 13vh, 9rem) clamp(1.2rem, 5vw, 4rem);
  max-width: 1180px;
  margin: 0 auto;
}

.sec-head { text-align: center; margin-bottom: clamp(2.5rem, 6vh, 4.5rem); }
.sec-head h2 { font-weight: 600; }
.sec-zh {
  display: block;
  font-family: var(--font-brush);
  font-weight: 400;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  letter-spacing: .1em;
}
.sec-en {
  display: block;
  font-family: var(--font-en); font-style: italic; font-weight: 400;
  font-size: clamp(.85rem, 1.6vw, 1.05rem);
  color: var(--gold); letter-spacing: .06em;
  margin-top: .5rem;
}
.sec-sub {
  margin-top: 1rem; color: var(--ink-soft);
  font-size: .95rem; letter-spacing: .08em;
}
.sec-sub-hint { opacity: .6; font-size: .82rem; margin-left: .8rem; }
.sub-en {
  display: block; margin-top: .35rem;
  font-family: var(--font-en); font-style: italic;
  font-size: .82rem; opacity: .75; letter-spacing: .04em;
}

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ── 作品卡片 ─────────────────────────────── */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(270px, 100%), 1fr));
  gap: clamp(1.2rem, 2.5vw, 2rem);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 16px;
  padding: 2rem 1.8rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; flex-direction: column;
  transition: transform .18s ease-out, border-color .4s, background-color .9s;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: linear-gradient(90deg, var(--gold-bright), var(--jade));
  opacity: .45; transition: opacity .4s;
}
.card:hover { border-color: var(--gold); }
.card:hover::before { opacity: 1; }

/* 光晕追着鼠标走 */
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%),
    color-mix(in srgb, var(--gold-bright) 20%, transparent), transparent 68%);
  opacity: 0; transition: opacity .35s;
  pointer-events: none;
}
.card:hover::after { opacity: 1; }
.card { will-change: transform; }

.card-glyph {
  font-family: var(--font-brush);
  font-size: 2.6rem; margin-bottom: 1rem; line-height: 1;
  color: var(--gold);
}
.card h3 {
  font-family: var(--font-en); font-size: 1.45rem;
  font-weight: 600; letter-spacing: .02em;
}
.card h3 small {
  display: block; font-family: var(--font-zh);
  font-size: .85rem; font-weight: 400;
  color: var(--ink-soft); letter-spacing: .12em; margin-top: .3rem;
}
.card p { font-size: .92rem; color: var(--ink-soft); margin: 1rem 0 .6rem; flex: 1; }
.card .card-en {
  font-family: var(--font-en); font-style: italic;
  font-size: .8rem; opacity: .75; flex: 0 0 auto;
  margin: 0 0 1.4rem;
}

.card-cta {
  align-self: flex-start;
  font-size: .88rem; letter-spacing: .12em;
  color: var(--ink); text-decoration: none;
  border: 1.5px solid var(--gold);
  border-radius: 99px;
  padding: .5rem 1.4rem;
  transition: background-color .3s, color .3s, transform .25s ease-out;
}
.card-cta:hover { background: var(--gold); color: #fffdf6; }
.card.coming { opacity: .75; border-style: dashed; }
.card.coming .card-cta { border-style: dashed; pointer-events: none; opacity: .6; }

/* ── 东西相照 ─────────────────────────────── */

.mirror-card {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: stretch;
  gap: clamp(1rem, 3vw, 2.5rem);
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: clamp(2rem, 5vw, 3.5rem);
  max-width: 920px;
  margin: 0 auto;
  min-height: 320px;
  transition: background-color .9s, opacity .35s, transform .35s;
}
.mirror-card.swap { opacity: 0; transform: scale(.985); }

.mirror-east {
  display: flex; justify-content: center; align-items: center; gap: 1.2rem;
  flex-direction: row-reverse;
}
.me-quote {
  writing-mode: vertical-rl;
  font-family: var(--font-brush);
  font-size: clamp(1.35rem, 2.7vw, 1.75rem);
  letter-spacing: .22em; line-height: 2;
  max-height: 300px;
  color: var(--ink);
}
.me-src {
  writing-mode: vertical-rl;
  font-style: normal; font-size: .8rem;
  letter-spacing: .3em; color: var(--gold);
}

.mirror-divider { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .7rem; }
.mirror-eq {
  font-size: .66rem; letter-spacing: .35em;
  color: var(--ink-soft); opacity: .8; white-space: nowrap;
  writing-mode: vertical-rl;
}
@media (max-width: 720px) { .mirror-eq { writing-mode: horizontal-tb; } }
.mirror-divider svg { width: 38px; height: 38px; opacity: .8; animation: taiji-spin 60s linear infinite; }
.taiji-ring { fill: none; stroke: var(--ink-soft); stroke-width: 1.2; }
.taiji-half { fill: var(--ink-soft); }
.taiji-dot-b { fill: var(--bg); }
.taiji-dot-w { fill: var(--ink-soft); }
@keyframes taiji-spin { to { transform: rotate(360deg); } }

.mirror-west { display: flex; flex-direction: column; justify-content: center; gap: 1.2rem; }
.mw-quote {
  font-family: var(--font-en); font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  line-height: 1.7; color: var(--ink);
}
.mw-src { font-style: normal; font-size: .82rem; letter-spacing: .14em; color: var(--gold); }

.mirror-actions { text-align: center; margin-top: 2.4rem; }
.btn-draw {
  font-family: var(--font-brush);
  font-size: 1rem; letter-spacing: .3em; text-indent: .3em;
  color: var(--ink);
  background: none;
  border: 1.5px solid var(--gold);
  border-radius: 99px;
  padding: .8rem 2.6rem;
  cursor: pointer;
  transition: background-color .3s, color .3s, transform .2s;
}
.btn-draw:hover { background: var(--gold); color: #fffdf6; }
.btn-draw:active { transform: scale(.96); }
.mirror-note { margin-top: 1rem; font-size: .78rem; letter-spacing: .12em; color: var(--ink-soft); opacity: .7; }

@media (max-width: 720px) {
  .mirror-card { grid-template-columns: 1fr; }
  .mirror-divider svg { transform: rotate(90deg); }
  .mirror-east { order: 1; min-height: 250px; }
  .mirror-divider { order: 2; }
  .mirror-west { order: 3; text-align: center; }
  .me-quote { font-size: 1.05rem; letter-spacing: .26em; line-height: 2.1; max-height: 250px; }
}

/* ── Field notes ──────────────────────────── */

.notes-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: 1.2rem;
}
.note {
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 12px;
  padding: 1.4rem 1.5rem;
  transition: background-color .9s;
}
.note-kind { font-size: .72rem; letter-spacing: .25em; color: var(--gold); }
.note h3 { font-family: var(--font-zh); font-size: 1.05rem; margin: .5rem 0; font-weight: 600; }
.note p { font-size: .86rem; color: var(--ink-soft); }
.note .note-en {
  font-family: var(--font-en); font-style: italic;
  font-size: .78rem; opacity: .75; margin-top: .5rem;
}

/* ── 社交入口（在 hero 里） ─────────────────── */

.social-link {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .85rem; letter-spacing: .08em;
  color: var(--ink); text-decoration: none;
  border: 1px solid var(--card-line);
  border-radius: 99px;
  padding: .45rem 1.1rem;
  background: var(--card-bg);
  transition: border-color .3s, color .3s, transform .25s ease-out;
}
.social-link:hover { border-color: var(--gold); color: var(--gold); }
.social-soon { opacity: .55; border-style: dashed; cursor: default; }
.xhs-badge {
  display: inline-block;
  background: #ff2442; color: #fff;
  font-family: var(--font-body);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .02em;
  padding: .16em .5em .2em;
  border-radius: 6px;
  line-height: 1.2;
}

/* ── footer ───────────────────────────────── */

.footer {
  text-align: center;
  padding: 3rem 1rem calc(2.2rem + env(safe-area-inset-bottom));
  color: var(--ink-soft);
  font-size: .8rem; letter-spacing: .15em;
}
.footer-couplet {
  font-family: var(--font-brush);
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: var(--ink-soft);
  letter-spacing: .18em;
  margin-bottom: .9rem;
}
.footer-couplet-en {
  font-family: var(--font-en); font-style: italic;
  font-size: .82rem; color: var(--ink-soft); opacity: .75;
  margin-bottom: 1.1rem;
}
.footer-signoff {
  font-family: var(--font-brush);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  color: var(--ink);
  letter-spacing: .14em;
  margin-bottom: 1rem;
}

/* ── 小屏适配 ─────────────────────────────── */

@media (max-width: 760px) {
  .nav-links { display: none; }
}

@media (max-width: 520px) {
  .hero-motto { font-size: 1.35rem; letter-spacing: .05em; }
  .disc { width: 62vw; height: 62vw; }
  .disc-cap { font-size: 1rem; }
  .hero-chain { font-size: .78rem; letter-spacing: .05em; line-height: 2; }
  .hero-tag { font-size: .78rem; letter-spacing: .08em; }
}

/* ── 动效克制 ─────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01s !important; }
  html { scroll-behavior: auto; }
}

/* ── 质检模式：?noanim=1 ─────────────────── */

html.noanim, html.noanim * { scroll-behavior: auto !important; }
html.noanim *, html.noanim *::before, html.noanim *::after { animation: none !important; transition: none !important; }
html.noanim .reveal { opacity: 1 !important; transform: none !important; }
html.noanim .hero { min-height: 60vh; }

/* ── 昼夜切换圆形扩散（View Transitions）──── */

::view-transition-old(root), ::view-transition-new(root) {
  animation: none; mix-blend-mode: normal;
}
::view-transition-new(root) { z-index: 1; }
::view-transition-old(root) { z-index: 0; }