/* ═══════════════════════════════════════════════════════════
   www.ywz626.cloud — 个人主页
   风格：杂志 / 报纸编辑排版（宽栏、细分隔线、首字下沉）
   ═══════════════════════════════════════════════════════════ */

/* ── 字体：西文展示体本地托管，中文走系统字体 ── */
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-latin-var.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Fraunces Fallback';
  src: local('Georgia'), local('Times New Roman'), local('Songti SC'), local('SimSun');
  size-adjust: 104%;
  ascent-override: 92%;
  descent-override: 26%;
  line-gap-override: 0%;
}

:root {
  /* 色彩：暖调纸张 + 墨色 + 一点朱红 */
  --paper:        oklch(97.6% 0.007 85);
  --ink:          oklch(22%   0.012 55);
  --ink-2:        oklch(40%   0.012 58);
  --ink-3:        oklch(53%   0.011 62);
  --rule:         oklch(81%   0.012 72);
  --accent:       oklch(49%   0.155 32);
  --accent-soft:  oklch(72%   0.090 34);

  /* 字体族 */
  --font-display: 'Fraunces', 'Fraunces Fallback', 'Songti SC', 'STSong',
                  'Noto Serif CJK SC', 'Source Han Serif SC', 'SimSun', Georgia, serif;
  --font-body:    'PingFang SC', 'HarmonyOS Sans SC', 'Hiragino Sans GB',
                  'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system,
                  'Segoe UI', sans-serif;

  /* 垂直节奏：正文 17px × 1.8 = 30.6px，所有间距取它的倍数 */
  --rhythm: 1.9rem;
  --sp-1: calc(var(--rhythm) * .5);
  --sp-2: var(--rhythm);
  --sp-3: calc(var(--rhythm) * 1.5);
  --sp-4: calc(var(--rhythm) * 2);
  --sp-6: calc(var(--rhythm) * 3);

  --measure: 68ch;
  --spread: 74rem;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 纸张是干净的暖白，不加纹理——避免出现扫描线似的伪影 */
.sheet {
  position: relative;
  z-index: 1;
  max-width: var(--spread);
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(2rem, 6vw, 5rem);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: .6rem 1rem; z-index: 99;
}
.skip-link:focus { left: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ══ 报头 ══ */
.masthead { margin-bottom: var(--sp-4); }

.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 var(--sp-2);
  padding-bottom: var(--sp-1);
  font-size: .78125rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.meta--push { margin-left: auto; }
@media (max-width: 560px) { .meta--push { margin-left: 0; } }

.masthead__body { padding: var(--sp-3) 0 var(--sp-2); }

.display {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 15vw, 9.5rem);
  font-weight: 600;
  line-height: .86;
  letter-spacing: -.025em;
  font-optical-sizing: auto;
  font-variant-numeric: tabular-nums;
  text-wrap: balance;
}

.masthead__kicker {
  margin: var(--sp-2) 0 0;
  font-size: clamp(1rem, 2.2vw, 1.3125rem);
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--ink-2);
  text-wrap: pretty;
}

/* ══ 分隔线：粗细双线（报纸味） ══ */
.rule-stack { display: block; }
.rule-stack span { display: block; width: 100%; }
.rule-thick { height: 3px; background: var(--ink); }
.rule-thin  { height: 1px; background: var(--ink); margin-top: 4px; }
.rule-hair  { height: 1px; background: var(--rule); margin: var(--sp-3) 0; }
.rule-stack--top { margin-bottom: var(--sp-2); }

/* ══ 开篇 ══ */
.lead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 15.5rem;
  gap: var(--sp-4);
  align-items: start;
  margin-bottom: 0;
}
@media (max-width: 860px) {
  .lead { grid-template-columns: 1fr; gap: var(--sp-3); }
}

.lead__text { max-width: var(--measure); }
.lead__text p { margin: 0; text-wrap: pretty; }
.lead__text p + p { margin-top: var(--sp-2); text-indent: 2em; }

/* 首字下沉 */
.dropcap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 3.5em;
  font-weight: 600;
  line-height: .8;
  margin: .07em .1em 0 0;
  color: var(--accent);
}

/* 资料卡 */
.factbox { font-size: .9375rem; }
.factbox dl { margin: 0; }
.factbox dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-1);
  padding: .5rem 0;
  border-bottom: 1px solid var(--rule);
}
.factbox dl > div:last-child { border-bottom: 0; }
.factbox dt {
  font-size: .75rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.factbox dd { margin: 0; text-align: right; color: var(--ink); }
.factbox a { text-decoration-color: var(--accent-soft); text-underline-offset: .22em; }

/* ══ 栏目 ══ */
.dept { margin-bottom: 0; }
.dept--last { margin-bottom: var(--sp-2); }

.dept__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  padding-bottom: var(--sp-1);
  margin-bottom: var(--sp-3);
  border-bottom: 1px solid var(--rule);
}
.dept__num {
  font-family: var(--font-display);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.dept__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.2;
}

/* ══ 条目账本 ══ */
.ledger { margin: 0; padding: 0; list-style: none; }

.ledger__row {
  display: grid;
  grid-template-columns: 6.5rem minmax(10rem, 0.85fr) minmax(0, 1.15fr);
  gap: var(--sp-2);
  align-items: baseline;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--rule);
}
.ledger__row:first-child { border-top: 1px solid var(--rule); }

.ledger__year {
  font-family: var(--font-display);
  font-size: .875rem;
  letter-spacing: .1em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ledger__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: .03em;
  line-height: 1.5;
}
.ledger__desc {
  margin: 0;
  color: var(--ink-2);
  font-size: .9375rem;
  line-height: 1.75;
  text-wrap: pretty;
}

/* 悬停时左侧浮出一条朱红竖线 */
.ledger__row { position: relative; }
.ledger__row::before {
  content: "";
  position: absolute;
  left: calc(var(--sp-1) * -1);
  top: var(--sp-2);
  bottom: var(--sp-2);
  width: 2px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .38s cubic-bezier(.16, 1, .3, 1);
}
@media (hover: hover) {
  .ledger__row:hover::before { transform: scaleY(1); }
}

@media (max-width: 760px) {
  .ledger__row { grid-template-columns: 1fr; gap: .35rem; padding: var(--sp-2) 0; }
  .ledger__year { font-size: .8125rem; }
}

/* ══ 标签 ══ */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem var(--sp-2);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}
.tags li {
  padding-left: .6rem;
  border-left: 2px solid var(--accent-soft);
  font-size: .84375rem;
  letter-spacing: .1em;
  color: var(--ink-2);
  line-height: 1.5;
}

/* ══ 联系方式 ══ */
.contacts { margin: 0; padding: 0; list-style: none; }

.contacts__link {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: baseline;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  transition: color .3s cubic-bezier(.16, 1, .3, 1),
              padding-left .3s cubic-bezier(.16, 1, .3, 1);
}
.contacts li:first-child .contacts__link { border-top: 1px solid var(--rule); }

.contacts__label {
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.contacts__value {
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 2.4vw, 1.4375rem);
  letter-spacing: .01em;
  font-optical-sizing: auto;
}

@media (hover: hover) {
  .contacts__link:hover {
    color: var(--accent);
    padding-left: var(--sp-1);
  }
}
@media (max-width: 560px) {
  .contacts__link { grid-template-columns: 1fr; gap: .2rem; }
}

/* ══ 页脚 ══ */
.colophon {
  margin-top: 0;
  font-size: .84375rem;
  line-height: 1.75;
  color: var(--ink-3);
}
.colophon .rule-hair { margin: var(--sp-3) 0 var(--sp-1); }
.colophon p { margin: 0; }

/* ══ 入场动效（统一指数缓出，不用回弹） ══ */
@media (prefers-reduced-motion: no-preference) {
  .masthead__body,
  .lead,
  .dept,
  .colophon {
    animation: rise .6s cubic-bezier(.16, 1, .3, 1) both;
  }
  .lead   { animation-delay: .05s; }
  .dept:nth-of-type(2) { animation-delay: .09s; }
  .dept:nth-of-type(3) { animation-delay: .13s; }
  .dept:nth-of-type(4) { animation-delay: .17s; }
  .colophon { animation-delay: .21s; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* ══ 打印 ══ */
@media print {
  body::before { display: none; }
  .sheet { padding: 0; }
  .contacts__link { border-color: #ccc; }
}