/* ==========================================================================
   masterkong.com — 孔子非商业主题网站
   设计系统：宣纸底 · 墨色字 · 朱砂印 · 竹青点缀
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --paper:      #f6f1e6;
  --paper-2:    #fdfbf6;
  --paper-3:    #efe7d6;
  --paper-4:    #e5dac4;

  --ink:        #1b1917;
  --ink-2:      #3d382f;
  --ink-3:      #6b6459;
  --ink-4:      #9c9488;

  --seal:       #a32a1d;
  --seal-2:     #c9574a;
  --gold:       #a8874f;
  --jade:       #47695a;
  --jade-2:     #6d8f7e;
  --azure:      #3c5a78;

  --line:       rgba(27, 25, 23, 0.13);
  --line-soft:  rgba(27, 25, 23, 0.06);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong",
                "SimSun", "Songti TC", "Times New Roman", serif;
  --font-kai:   "Kaiti SC", "STKaiti", "KaiTi", "楷体", "Noto Serif SC", serif;
  --font-sans:  "Noto Sans SC", "PingFang SC", "Hiragino Sans GB",
                "Microsoft YaHei", system-ui, sans-serif;

  --shadow-sm: 0 1px 2px rgba(27, 25, 23, .05), 0 4px 14px rgba(27, 25, 23, .045);
  --shadow-md: 0 2px 6px rgba(27, 25, 23, .06), 0 14px 38px rgba(27, 25, 23, .075);
  --shadow-lg: 0 4px 12px rgba(27, 25, 23, .07), 0 28px 60px rgba(27, 25, 23, .10);

  --radius:    4px;
  --radius-lg: 10px;

  --nav-h:     68px;
  --maxw:      1180px;
  --maxw-read: 760px;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.95;
  color: var(--ink-2);
  background-color: var(--paper);
  background-image:
    radial-gradient(1100px 620px at 12% -8%, rgba(255, 253, 246, .95) 0%, rgba(255, 253, 246, 0) 62%),
    radial-gradient(900px 700px at 96% 4%, rgba(232, 220, 198, .55) 0%, rgba(232, 220, 198, 0) 60%),
    radial-gradient(760px 560px at 50% 108%, rgba(214, 199, 172, .45) 0%, rgba(214, 199, 172, 0) 60%);
  background-attachment: fixed;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* 宣纸纤维颗粒 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.055'/%3E%3C/svg%3E");
}

img, svg { max-width: 100%; display: block; }
a { color: var(--seal); text-decoration: none; }
button { font: inherit; cursor: pointer; }

::selection { background: rgba(163, 42, 29, .16); color: var(--ink); }

/* 滚动条 */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper-3); }
::-webkit-scrollbar-thumb {
  background: rgba(27, 25, 23, .28);
  border: 3px solid var(--paper-3);
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(27, 25, 23, .45); }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: .04em;
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2.6rem, 8vw, 5.4rem); letter-spacing: .12em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); letter-spacing: .1em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p  { margin: 0 0 1.15em; }

.lead {
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  color: var(--ink-2);
  line-height: 2.1;
}

.muted { color: var(--ink-3); }
.small { font-size: .87rem; line-height: 1.85; }

/* ---------- 4. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
  position: relative;
  z-index: 1;
}
.wrap--read { max-width: var(--maxw-read); }

section { position: relative; z-index: 1; }
.section { padding: clamp(64px, 10vw, 128px) 0; }
.section--tight { padding: clamp(44px, 6vw, 76px) 0; }
.section--tint {
  background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,253,247,.75) 12%, rgba(255,253,247,.75) 88%, rgba(255,255,255,0) 100%);
}

/* 章节眉标 */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  font-size: .7rem;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 18px;
}
.eyebrow::after {
  content: "";
  height: 1px;
  flex: 1;
  max-width: 120px;
  background: linear-gradient(90deg, var(--seal), rgba(163,42,29,0));
}

.section-head { max-width: 780px; margin-bottom: clamp(38px, 5vw, 62px); }
.section-head p { color: var(--ink-3); }

/* 印章 */
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  flex: 0 0 auto;
  background: var(--seal);
  color: #fdf8ef;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: .06em;
  line-height: 1.02;
  text-align: center;
  border-radius: 3px;
  box-shadow: 0 3px 12px rgba(163,42,29,.3), inset 0 0 0 1px rgba(255,255,255,.22);
  padding: 4px;
  user-select: none;
}
.seal--round { border-radius: 50%; }

/* 竖排小注 */
.vertical {
  writing-mode: vertical-rl;
  font-family: var(--font-kai);
  letter-spacing: .34em;
  color: var(--ink-4);
  font-size: .78rem;
}

/* 分隔线 + 中心印 */
.divider {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 0 auto;
  max-width: 420px;
  opacity: .8;
}
.divider::before, .divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, rgba(27,25,23,0), var(--line), rgba(27,25,23,0));
}
.divider span {
  font-family: var(--font-serif);
  color: var(--ink-4);
  font-size: .8rem;
  letter-spacing: .3em;
}

/* ---------- 5. Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  background: rgba(247, 243, 235, .8);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 26px rgba(27, 25, 23, .05);
  background: rgba(247, 243, 235, .93);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  flex: 0 0 auto;
}
.brand__seal {
  width: 38px; height: 38px;
  border-radius: 3px;
  background: var(--seal);
  color: #fdf8ef;
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: .86rem;
  letter-spacing: .04em;
  line-height: 1.04;
  text-align: center;
  box-shadow: 0 3px 10px rgba(163,42,29,.28);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.18; }
.brand__name {
  font-size: 1.02rem;
  letter-spacing: .2em;
  font-weight: 600;
}
.brand__domain {
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .22em;
  color: var(--ink-4);
  text-transform: lowercase;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  list-style: none;
  padding: 0;
}
.nav__link {
  display: block;
  padding: 9px 14px;
  font-size: .93rem;
  letter-spacing: .12em;
  color: var(--ink-2);
  border-radius: 3px;
  position: relative;
  transition: color .22s var(--ease), background .22s var(--ease);
}
.nav__link:hover { color: var(--seal); background: rgba(163,42,29,.055); }
.nav__link.is-active { color: var(--seal); }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 2px;
  background: var(--seal);
  border-radius: 2px;
}

.nav__toggle {
  display: none;
  margin-left: auto;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: transparent;
  position: relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  position: absolute;
  left: 50%; top: 50%;
  width: 19px; height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform .28s var(--ease), opacity .2s var(--ease);
}
.nav__toggle span::before { content: ""; top: -6px; left: 0; transform: none; }
.nav__toggle span::after  { content: ""; top: 6px;  left: 0; transform: none; }
.nav.is-open .nav__toggle span { background: transparent; }
.nav.is-open .nav__toggle span::before { top: 0; transform: rotate(45deg); }
.nav.is-open .nav__toggle span::after  { top: 0; transform: rotate(-45deg); }

/* 阅读进度 */
.progress {
  position: absolute;
  left: 0; bottom: -1px;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--seal), var(--gold));
  transition: width .12s linear;
}

@media (max-width: 880px) {
  .nav__toggle { display: block; }
  .nav__menu {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 24px;
    background: rgba(249, 246, 239, .985);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-14px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .26s var(--ease), transform .26s var(--ease);
  }
  .nav.is-open .nav__menu { opacity: 1; transform: none; pointer-events: auto; }
  .nav__link { padding: 13px 6px; border-bottom: 1px solid var(--line-soft); }
  .nav__link.is-active::after { display: none; }
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 30px) 0 60px;
}
.hero__ink {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__ink svg { width: 100%; height: 100%; }

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
}
@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; }
}

.hero__tag {
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .46em;
  text-transform: uppercase;
  color: var(--seal);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero__tag::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--seal);
}

.hero h1 {
  margin: 0 0 6px;
}
.hero__name {
  display: block;
  letter-spacing: .22em;
}
.hero__latin {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(.8rem, 1.5vw, .98rem);
  letter-spacing: .58em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 26px;
}
.hero__dates {
  font-family: var(--font-kai);
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  color: var(--ink-2);
  letter-spacing: .12em;
  margin-bottom: 18px;
}
.hero__desc {
  max-width: 46ch;
  color: var(--ink-3);
  line-height: 2.05;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 3px;
  font-size: .93rem;
  letter-spacing: .16em;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-2);
  transition: transform .22s var(--ease), background .22s var(--ease),
              color .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
  box-shadow: 0 6px 18px rgba(27,25,23,.16);
}
.btn:hover {
  background: var(--seal);
  border-color: var(--seal);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(163,42,29,.24);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
  box-shadow: none;
}
.btn--ghost:hover {
  background: rgba(255,255,255,.6);
  border-color: var(--ink-3);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.btn__arrow { transition: transform .24s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }

/* 卷轴引文卡 */
.hero__scroll {
  position: relative;
  background: linear-gradient(168deg, #fffdf8 0%, #f8f3e7 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(30px, 4vw, 46px) clamp(26px, 3.4vw, 42px);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero__scroll::before,
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 8px;
  background: linear-gradient(180deg, rgba(163,42,29,.85), rgba(120,28,20,.95));
  opacity: .9;
}
.hero__scroll::before { top: 0; }
.hero__scroll::after  { bottom: 0; }
.hero__scroll-label {
  font-family: var(--font-sans);
  font-size: .64rem;
  letter-spacing: .4em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.quote-rotator { position: relative; min-height: 178px; }
.quote-rotator__item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  pointer-events: none;
}
.quote-rotator__item.is-active { opacity: 1; transform: none; pointer-events: auto; }
.quote-rotator blockquote {
  margin: 0 0 16px;
  font-family: var(--font-kai);
  font-size: clamp(1.16rem, 2.1vw, 1.5rem);
  line-height: 1.95;
  color: var(--ink);
  letter-spacing: .06em;
}
.quote-rotator cite {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--seal);
  text-transform: uppercase;
}
.quote-dots {
  display: flex;
  gap: 7px;
  margin-top: 26px;
}
.quote-dots button {
  width: 22px; height: 3px;
  border: 0; padding: 0;
  background: var(--line);
  border-radius: 3px;
  transition: background .25s var(--ease), width .25s var(--ease);
}
.quote-dots button.is-active { background: var(--seal); width: 38px; }

.hero__seal-corner {
  position: absolute;
  right: clamp(18px, 4vw, 54px);
  top: 22%;
  z-index: 3;
}
@media (max-width: 900px) { .hero__seal-corner { display: none; } }

.scroll-cue {
  position: absolute;
  left: 50%; bottom: 22px;
  transform: translateX(-50%);
  z-index: 3;
  font-family: var(--font-sans);
  font-size: .6rem;
  letter-spacing: .34em;
  color: var(--ink-4);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-cue::after {
  content: "";
  width: 1px; height: 34px;
  background: linear-gradient(180deg, var(--ink-4), rgba(156,148,136,0));
  animation: cue 2.2s var(--ease) infinite;
}
@keyframes cue {
  0%, 100% { transform: scaleY(.35); opacity: .5; transform-origin: top; }
  50%      { transform: scaleY(1);   opacity: 1;  transform-origin: top; }
}

/* ---------- 7. Grid & Cards ---------- */
.grid { display: grid; gap: clamp(16px, 2.2vw, 26px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 820px)  { .grid--3, .grid--2 { grid-template-columns: 1fr; } }
@media (max-width: 560px)  { .grid--4 { grid-template-columns: 1fr; } }

.card {
  position: relative;
  background: linear-gradient(170deg, rgba(255,253,248,.96), rgba(250,246,238,.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 3vw, 34px);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 3px; height: 0;
  background: var(--seal);
  transition: height .4s var(--ease);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(27,25,23,.2);
}
.card:hover::after { height: 100%; }

.card__glyph {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  line-height: 1;
  color: var(--ink);
  letter-spacing: .08em;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.card__glyph small {
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .28em;
  color: var(--ink-4);
  text-transform: uppercase;
}
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-3); margin-bottom: 0; font-size: .96rem; line-height: 1.95; }
.card__cite {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-kai);
  font-size: .93rem;
  color: var(--ink-2);
}

/* 数字卡 */
.stat {
  text-align: center;
  padding: clamp(22px, 3vw, 34px) 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,248,.72);
}
.stat__num {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.6vw, 3.1rem);
  color: var(--seal);
  line-height: 1;
  letter-spacing: .02em;
}
.stat__num sup { font-size: .38em; letter-spacing: .1em; color: var(--ink-4); margin-left: 4px; vertical-align: super; }
.stat__label {
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* ---------- 8. 人物 / 释名 ---------- */
.figure-block {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
@media (max-width: 860px) { .figure-block { grid-template-columns: 1fr; } }

.portrait {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(78% 62% at 50% 26%, rgba(255,255,255,.9), rgba(255,255,255,0) 70%),
    linear-gradient(168deg, #efe6d4, #ded2ba);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.portrait svg { width: 100%; height: 100%; }
.portrait__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--ink-3);
  background: linear-gradient(180deg, rgba(247,243,235,0), rgba(247,243,235,.92));
  text-transform: uppercase;
}

.name-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 26px 0 30px;
}
@media (max-width: 520px) { .name-grid { grid-template-columns: 1fr; } }
.name-grid div {
  background: rgba(255,253,248,.86);
  padding: 15px 20px;
  display: flex;
  gap: 14px;
  align-items: baseline;
}
.name-grid dt {
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .24em;
  color: var(--ink-4);
  text-transform: uppercase;
  flex: 0 0 62px;
}
.name-grid dd { margin: 0; color: var(--ink); font-size: .98rem; letter-spacing: .04em; }

/* ---------- 9. Timeline ---------- */
.timeline {
  position: relative;
  margin-top: 12px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 118px;
  top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(163,42,29,0), var(--line) 8%, var(--line) 92%, rgba(163,42,29,0));
}
.tl-item {
  position: relative;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: clamp(20px, 3.6vw, 46px);
  padding: 0 0 clamp(30px, 4vw, 46px);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-year {
  text-align: right;
  padding-right: 6px;
  font-family: var(--font-sans);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--ink-4);
  padding-top: 3px;
}
.tl-year b {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.18rem;
  font-weight: 600;
  color: var(--seal);
  letter-spacing: .06em;
}
.tl-body { position: relative; }
.tl-body::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(20px, 3.6vw, 46px) - 4.5px);
  top: 9px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--paper-2);
  border: 2px solid var(--seal);
  box-shadow: 0 0 0 4px rgba(163,42,29,.09);
}
.tl-item.is-major .tl-body::before {
  width: 13px; height: 13px;
  left: calc(-1 * clamp(20px, 3.6vw, 46px) - 6.5px);
  top: 6px;
  background: var(--seal);
  box-shadow: 0 0 0 5px rgba(163,42,29,.12);
}
.tl-body h3 { margin-bottom: 6px; font-size: 1.1rem; }
.tl-body p { color: var(--ink-3); font-size: .95rem; margin: 0; }

@media (max-width: 700px) {
  .timeline::before { left: 6px; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; padding-left: 30px; }
  .tl-year { text-align: left; padding: 0; display: flex; gap: 10px; align-items: baseline; }
  .tl-year b { display: inline; }
  .tl-body::before { left: -28.5px; }
  .tl-item.is-major .tl-body::before { left: -30.5px; }
}

/* 阶段标签 */
.era-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(34px, 5vw, 56px) 0 22px;
  padding: 7px 16px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(255,253,248,.8);
  font-family: var(--font-sans);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.era-label em {
  font-style: normal;
  font-family: var(--font-serif);
  font-size: .95rem;
  letter-spacing: .12em;
  color: var(--seal);
}

/* ---------- 10. 论语条目 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 34px;
  align-items: center;
}
.chip {
  padding: 8px 17px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(255,253,248,.7);
  color: var(--ink-2);
  font-size: .87rem;
  letter-spacing: .12em;
  transition: all .22s var(--ease);
}
.chip:hover { border-color: var(--ink-3); color: var(--ink); }
.chip.is-active {
  background: var(--seal);
  border-color: var(--seal);
  color: #fdf8ef;
  box-shadow: 0 6px 16px rgba(163,42,29,.22);
}

.analect {
  position: relative;
  background: rgba(255,253,248,.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 2.8vw, 32px) clamp(22px, 2.8vw, 32px) clamp(20px, 2.6vw, 28px);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease), opacity .3s var(--ease);
  display: flex;
  flex-direction: column;
}
.analect:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(27,25,23,.19);
}
.analect__index {
  font-family: var(--font-sans);
  font-size: .64rem;
  letter-spacing: .3em;
  color: var(--ink-4);
  margin-bottom: 14px;
}
.analect__text {
  font-family: var(--font-kai);
  font-size: clamp(1.12rem, 1.9vw, 1.34rem);
  line-height: 2;
  color: var(--ink);
  letter-spacing: .05em;
  margin: 0 0 14px;
}
.analect__text b {
  font-weight: 400;
  color: var(--seal);
  border-bottom: 1px solid rgba(163,42,29,.3);
}
.analect__body {
  color: var(--ink-3);
  font-size: .95rem;
  line-height: 1.95;
  margin: 0 0 18px;
  flex: 1;
}
.analect__foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.analect__src {
  font-family: var(--font-sans);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--seal);
}
.analect__tag {
  font-family: var(--font-sans);
  font-size: .66rem;
  letter-spacing: .18em;
  color: var(--ink-4);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 3px 11px;
}
.analect.is-hidden { display: none; }

/* ---------- 11. 折叠面板 ---------- */
.acc { border-top: 1px solid var(--line); }
.acc__item { border-bottom: 1px solid var(--line); }
.acc__head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 4px;
  background: none;
  border: 0;
  text-align: left;
  color: var(--ink);
  transition: color .22s var(--ease);
}
.acc__head:hover { color: var(--seal); }
.acc__no {
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--ink-4);
  flex: 0 0 34px;
}
.acc__title { flex: 1; font-size: 1.06rem; letter-spacing: .1em; }
.acc__icon {
  flex: 0 0 auto;
  width: 22px; height: 22px;
  position: relative;
}
.acc__icon::before, .acc__icon::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.acc__icon::before { width: 13px; height: 1.4px; }
.acc__icon::after  { width: 1.4px; height: 13px; }
.acc__item.is-open .acc__icon::after { transform: translate(-50%, -50%) scaleY(0); opacity: 0; }
.acc__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height .42s var(--ease);
}
.acc__panel-inner {
  padding: 0 4px 26px 52px;
  color: var(--ink-3);
  font-size: .97rem;
  line-height: 2.05;
}
.acc__panel-inner .src {
  display: block;
  margin-top: 12px;
  font-family: var(--font-kai);
  color: var(--ink-2);
  font-size: .95rem;
}

/* ---------- 12. 引文块 / 箴言 ---------- */
.pullquote {
  position: relative;
  padding: clamp(30px, 5vw, 56px) clamp(26px, 4vw, 54px);
  border-left: 3px solid var(--seal);
  background: linear-gradient(120deg, rgba(255,253,248,.85), rgba(246,241,230,.4));
  border-radius: 0 var(--radius) var(--radius) 0;
}
.pullquote p {
  font-family: var(--font-kai);
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.95;
  color: var(--ink);
  letter-spacing: .06em;
  margin: 0 0 14px;
}
.pullquote cite {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: .72rem;
  letter-spacing: .28em;
  color: var(--seal);
}

/* 弟子卡 */
.disciple {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  background: rgba(255,253,248,.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}
.disciple:hover { border-color: rgba(27,25,23,.2); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.disciple__mark {
  flex: 0 0 40px;
  width: 40px; height: 40px;
  border-radius: 3px;
  background: var(--ink);
  color: var(--paper-2);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1;
}
.disciple h4 { margin: 0 0 4px; font-size: 1.02rem; letter-spacing: .1em; }
.disciple p { margin: 0; font-size: .9rem; color: var(--ink-3); line-height: 1.85; }
.disciple__cat {
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .22em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 3px;
}

/* ---------- 13. 页脚 ---------- */
.footer {
  position: relative;
  margin-top: clamp(50px, 8vw, 96px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,253,248,.4), rgba(232,221,201,.5));
  padding: clamp(44px, 6vw, 70px) 0 34px;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 54px);
  margin-bottom: 38px;
}
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h4 {
  font-family: var(--font-sans);
  font-size: .7rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 16px;
  font-weight: 500;
}
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 9px; }
.footer a { color: var(--ink-2); font-size: .94rem; transition: color .2s var(--ease); }
.footer a:hover { color: var(--seal); }
.footer p { color: var(--ink-3); font-size: .92rem; line-height: 1.9; }
.footer__bottom {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--ink-4);
}
.footer__domain {
  font-family: var(--font-sans);
  letter-spacing: .22em;
  color: var(--ink-3);
}

/* 联系方式 */
.contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: .88rem;
  letter-spacing: .06em;
}
.contact-line__label {
  font-size: .62rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-4);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 9px;
  background: rgba(255,255,255,.5);
}
.contact-line a {
  color: var(--ink);
  letter-spacing: .08em;
  border-bottom: 1px solid rgba(163, 42, 29, .35);
  padding-bottom: 1px;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.contact-line a:hover { color: var(--seal); border-bottom-color: var(--seal); }
.contact-line--center { justify-content: center; }

/* 联系卡 */
.contact-card {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 22px;
  align-items: center;
  padding: clamp(22px, 3vw, 32px) clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--seal);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(120deg, rgba(255,253,248,.9), rgba(246,241,230,.45));
}
@media (max-width: 620px) { .contact-card { grid-template-columns: 1fr; } }
.contact-card h3 { margin-bottom: 8px; }
.contact-card p { margin: 0; color: var(--ink-3); font-size: .95rem; }
.contact-card__mail {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2.1vw, 1.28rem);
  letter-spacing: .06em;
  color: var(--seal);
  white-space: nowrap;
  border-bottom: 1px solid rgba(163,42,29,.32);
  padding-bottom: 2px;
}
.contact-card__mail:hover { border-bottom-color: var(--seal); }

/* 非商业声明条 */
.notice {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,248,.6);
  color: var(--ink-3);
  font-size: .88rem;
  line-height: 1.85;
}
.notice strong { color: var(--ink); font-weight: 600; }
.notice__mark {
  flex: 0 0 auto;
  font-family: var(--font-sans);
  font-size: .62rem;
  letter-spacing: .18em;
  color: var(--seal);
  border: 1px solid rgba(163,42,29,.4);
  border-radius: 2px;
  padding: 3px 7px;
  margin-top: 2px;
}

/* ---------- 14. 进入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  .scroll-cue::after { animation: none; }
  .quote-rotator__item { transition: none; }
}

/* ---------- 15. 页面头（内页） ---------- */
.page-head {
  position: relative;
  padding: calc(var(--nav-h) + clamp(46px, 7vw, 84px)) 0 clamp(34px, 5vw, 56px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
}
.page-head__bg {
  position: absolute;
  inset: 0;
  opacity: .5;
  pointer-events: none;
}
.page-head__bg svg { width: 100%; height: 100%; }
.page-head h1 {
  font-size: clamp(2.1rem, 6vw, 3.6rem);
  letter-spacing: .2em;
  margin-bottom: 14px;
}
.page-head__en {
  font-family: var(--font-sans);
  font-size: .7rem;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 24px;
}
.page-head p { max-width: 62ch; color: var(--ink-3); line-height: 2.05; margin: 0; }
.breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: var(--font-sans);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ink-4);
  margin-bottom: 26px;
}
.breadcrumb a { color: var(--ink-3); }
.breadcrumb a:hover { color: var(--seal); }

/* 上一页/下一页 */
.pager {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(46px, 6vw, 70px);
}
@media (max-width: 640px) { .pager { grid-template-columns: 1fr; } }
.pager a {
  display: block;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,248,.7);
  transition: all .26s var(--ease);
}
.pager a:hover { border-color: var(--seal); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.pager span {
  display: block;
  font-family: var(--font-sans);
  font-size: .66rem;
  letter-spacing: .28em;
  color: var(--ink-4);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.pager strong {
  font-size: 1.08rem;
  letter-spacing: .1em;
  color: var(--ink);
  font-weight: 600;
}
.pager .pager--next { text-align: right; }

/* ---------- 16. 杂项 ---------- */
.kv-list { list-style: none; padding: 0; margin: 0; }
.kv-list li {
  display: flex;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
  font-size: .95rem;
}
.kv-list li:last-child { border-bottom: 0; }
.kv-list b {
  flex: 0 0 96px;
  font-weight: 400;
  font-family: var(--font-sans);
  font-size: .72rem;
  letter-spacing: .22em;
  color: var(--ink-4);
  text-transform: uppercase;
  padding-top: 4px;
}
.kv-list span { color: var(--ink-2); }

.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.tag {
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .16em;
  color: var(--ink-3);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.5);
  border-radius: 99px;
  padding: 4px 12px;
}

.map-svg { width: 100%; height: auto; }
.map-svg text {
  font-family: var(--font-serif);
  fill: var(--ink-2);
  font-size: 13px;
  letter-spacing: .1em;
}
.map-svg .map-path {
  fill: none;
  stroke: var(--seal);
  stroke-width: 1.6;
  stroke-dasharray: 5 6;
  opacity: .85;
}
.map-svg .map-dot { fill: var(--seal); }
.map-svg .map-dot--home { fill: var(--gold); }
.map-svg .map-land { fill: rgba(214, 199, 172, .35); stroke: rgba(27,25,23,.12); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--ink);
  color: var(--paper-2);
  padding: 10px 18px;
}
.skip-link:focus { left: 10px; top: 10px; }

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

/* ---------- 17. 水墨动画 ---------- */
.enso {
  stroke-dasharray: 1180;
  stroke-dashoffset: 1180;
  animation: draw 2.6s var(--ease) .25s forwards;
}
@keyframes draw { to { stroke-dashoffset: 0; } }

.portrait svg .fig-line {
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
  animation: draw 2.2s var(--ease) .5s forwards;
}

/* 首屏元素入场 */
.hero__tag, .hero h1, .hero__dates, .hero__desc, .hero__actions,
.hero__scroll, .hero__seal-corner {
  animation: rise .95s var(--ease) backwards;
}
.hero__tag     { animation-delay: .05s; }
.hero h1       { animation-delay: .14s; }
.hero__dates   { animation-delay: .24s; }
.hero__desc    { animation-delay: .32s; }
.hero__actions { animation-delay: .42s; }
.hero__scroll  { animation-delay: .30s; }
.hero__seal-corner { animation-delay: .6s; }
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .enso, .portrait svg .fig-line { animation: none; stroke-dashoffset: 0; }
  .hero__tag, .hero h1, .hero__dates, .hero__desc, .hero__actions,
  .hero__scroll, .hero__seal-corner { animation: none; }
}

/* ---------- 18. 思想条目 ---------- */
.term {
  padding: clamp(38px, 5.5vw, 74px) 0;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}
.term:last-of-type { border-bottom: 0; }
.term::after {
  content: attr(data-num);
  position: absolute;
  right: 0; top: clamp(34px, 5vw, 66px);
  font-family: var(--font-serif);
  font-size: clamp(3.4rem, 9vw, 6.6rem);
  line-height: 1;
  color: rgba(27, 25, 23, .045);
  letter-spacing: .02em;
  pointer-events: none;
  user-select: none;
}
.term__head {
  display: grid;
  grid-template-columns: 124px minmax(0, 1fr);
  gap: clamp(20px, 3.5vw, 44px);
  align-items: start;
  margin-bottom: clamp(22px, 3vw, 34px);
}
@media (max-width: 620px) { .term__head { grid-template-columns: 78px minmax(0,1fr); } }
.term__glyph {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, #fffdf8 0%, #f1e9d9 100%);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 4.6vw, 3.2rem);
  line-height: 1;
  color: var(--ink);
  letter-spacing: 0;
  text-align: center;
  padding: 6px;
}
.term__glyph--seal {
  background: linear-gradient(158deg, var(--seal) 0%, #7d1d13 100%);
  color: #fdf8ef;
  border-color: transparent;
}
.term__meta {
  font-family: var(--font-sans);
  font-size: .66rem;
  letter-spacing: .34em;
  color: var(--seal);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.term__head h2 { margin-bottom: 10px; }
.term__head p { color: var(--ink-3); margin: 0; max-width: 60ch; }

.quote-list { list-style: none; padding: 0; margin: 0 0 clamp(20px, 3vw, 30px); }
.quote-list li {
  position: relative;
  padding: 13px 0 13px 26px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-kai);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.9;
  color: var(--ink);
  letter-spacing: .04em;
}
.quote-list li::before {
  content: "「";
  position: absolute;
  left: 0; top: 10px;
  color: var(--seal);
  opacity: .45;
  font-family: var(--font-kai);
}
.quote-list li span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .2em;
  color: var(--ink-4);
}
.quote-list li:last-child { border-bottom: 0; }

.prose p { color: var(--ink-3); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose .hl {
  color: var(--ink);
  background: linear-gradient(180deg, rgba(168,135,79,0) 62%, rgba(168,135,79,.26) 62%);
  padding: 0 2px;
}

/* 思想地图 */
.mindmap { width: 100%; height: auto; }
.mindmap text { font-family: var(--font-serif); }
.mindmap .mm-link { stroke: rgba(27,25,23,.16); stroke-width: 1.2; }
.mindmap .mm-node circle { fill: #fffdf8; stroke: var(--line); }
.mindmap .mm-node:hover circle { stroke: var(--seal); }
.mindmap .mm-core circle { fill: var(--seal); }
.mindmap .mm-label { fill: var(--ink-2); font-size: 17px; letter-spacing: .08em; }
.mindmap .mm-core-label { fill: #fdf8ef; font-size: 40px; letter-spacing: 0; }
.mindmap .mm-sub { font-family: "Noto Sans SC", sans-serif; font-size: 9.5px; letter-spacing: .22em; fill: #9c9488; }
.mindmap .mm-halo { fill: none; stroke: rgba(163,42,29,.18); stroke-width: 1; stroke-dasharray: 3 7; }

/* 表格 */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,253,248,.7); }
table.tbl { width: 100%; border-collapse: collapse; min-width: 520px; }
table.tbl th, table.tbl td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  font-size: .94rem;
}
table.tbl thead th {
  font-family: var(--font-sans);
  font-size: .68rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--ink-4);
  font-weight: 500;
  background: rgba(239,231,214,.5);
}
table.tbl tbody tr:last-child td { border-bottom: 0; }
table.tbl tbody tr:hover { background: rgba(255,255,255,.6); }
table.tbl td:first-child { color: var(--ink); font-weight: 500; }

/* ---------- 19. 打印 ---------- */
@media print {
  .nav, .scroll-cue, .footer, .pager, .quote-dots { display: none; }
  body { background: #fff; }
  .card, .analect { break-inside: avoid; }
}