/* ===============================================================
   程序杂念 — 个人主站（me.flyooo.uk）
   纸墨电报风：米纸 / 墨黑 / 朱砂红，宋体标题 + 黑体正文
   =============================================================== */

:root {
  --paper: #F6F1E7;
  --paper-deep: #EFE7D7;
  --ink: #1F1B16;
  --ink-soft: #6E6558;
  --hairline: #D9CFBC;
  --cinnabar: #BE3A26;
  --cinnabar-deep: #9C2C1B;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Courier New", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--cinnabar); color: var(--paper); }

/* ---- 纸张颗粒 ---- */
.grain {
  position: fixed; inset: 0; z-index: 9; pointer-events: none;
  opacity: .5; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.42 0 0 0 0 0.38 0 0 0 0 0.32 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

main { max-width: 960px; margin: 0 auto; padding: 0 28px; }

em { font-style: normal; border-bottom: 3px double var(--cinnabar); }

/* ---- 刊头横条 ---- */
.masthead {
  display: flex; justify-content: space-between; align-items: baseline;
  max-width: 960px; margin: 0 auto; padding: 22px 28px 14px;
  border-bottom: 1px solid var(--ink);
  font-family: var(--mono); font-size: 12px; letter-spacing: .18em;
  color: var(--ink-soft);
}
.masthead-mid { color: var(--cinnabar); }

/* ---- 刊头区 ---- */
.hero { position: relative; padding: 84px 0 64px; }

.spine {
  position: absolute; right: -8px; top: 92px;
  writing-mode: vertical-rl;
  font-family: var(--serif); font-size: 15px; letter-spacing: .55em;
  color: var(--ink-soft);
  border-right: 1px solid var(--hairline);
  padding-right: 14px;
}

.hero-kicker {
  font-family: var(--mono); font-size: 13px; letter-spacing: .3em;
  color: var(--cinnabar);
}

.hero h1 {
  position: relative; display: inline-block;
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(72px, 14vw, 148px);
  line-height: 1.04; letter-spacing: .06em;
  margin: 18px 0 34px;
}

/* 朱砂印章 */
.seal {
  position: absolute; right: -78px; bottom: 14px;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  background: var(--cinnabar); color: var(--paper);
  font-family: var(--serif); font-weight: 700;
  font-size: 20px; line-height: 1.15; letter-spacing: 0;
  text-align: center;
  transform: rotate(6deg);
  box-shadow: 2px 3px 0 rgba(31, 27, 22, .16);
  transition: transform .35s cubic-bezier(.34, 1.56, .64, 1);
}
.hero h1:hover .seal { transform: rotate(-3deg) scale(1.06); }

.lede { max-width: 40em; font-size: 19px; }

.hero-path {
  margin-top: 30px;
  font-family: var(--serif); font-size: 17px; letter-spacing: .1em;
}
.hero-path i { font-style: normal; color: var(--cinnabar); margin: 0 .9em; }

.hero-nav { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-nav a {
  font-size: 14px; letter-spacing: .12em; text-decoration: none;
  color: var(--ink); border: 1px solid var(--ink);
  padding: 7px 20px; border-radius: 999px;
  transition: all .22s ease;
}
.hero-nav a:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }

.hero-nav a.primary {
  background: var(--cinnabar); border-color: var(--cinnabar);
  color: var(--paper); font-weight: 600;
  padding: 9px 26px;
  box-shadow: 3px 3px 0 rgba(31, 27, 22, .18);
}
.hero-nav a.primary:hover {
  background: var(--cinnabar-deep); border-color: var(--cinnabar-deep);
  color: var(--paper); transform: translateY(-2px);
  box-shadow: 3px 5px 0 rgba(31, 27, 22, .22);
}

/* ---- 发报塔 ---- */
.tower {
  position: absolute; right: 48px; top: 72px;
  width: 180px; height: auto;
  opacity: .92;
}

/* ---- 摩尔斯分隔线 ---- */
.morse {
  text-align: center; padding: 30px 0;
  font-family: var(--mono); font-size: 15px; letter-spacing: .35em;
  color: var(--cinnabar); opacity: .75;
  user-select: none;
}

/* ---- 通用章节 ---- */
.block { padding: 72px 0 20px; }

.block-head { margin-bottom: 44px; }
.block-no {
  font-family: var(--mono); font-size: 13px; letter-spacing: .3em;
  color: var(--paper); background: var(--ink);
  padding: 3px 12px;
}
.block-head h2 {
  font-family: var(--serif); font-weight: 900;
  font-size: clamp(30px, 5vw, 44px); letter-spacing: .08em;
  margin: 16px 0 10px;
}
.block-head h2::after {
  content: ""; display: block;
  width: 150px; height: 14px; margin-top: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='14' viewBox='0 0 150 14'%3E%3Cpolyline points='0,7 44,7 52,7 57,1 62,13 67,3 72,11 77,7 150,7' fill='none' stroke='%23BE3A26' stroke-width='1.6' stroke-linejoin='round' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat;
}
.block-sub { color: var(--ink-soft); font-size: 15.5px; }

/* ---- 01 服务 ---- */
.svc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.svc {
  border: 1px solid var(--ink);
  padding: 34px 32px 28px;
  background: var(--paper);
  position: relative;
  transition: box-shadow .25s ease, transform .25s ease;
}
.svc-icon {
  position: absolute; top: 26px; right: 26px;
  width: 28px; height: 28px;
  color: var(--ink); opacity: .8;
}
.svc:hover { box-shadow: 6px 6px 0 var(--paper-deep), 6px 6px 0 1px var(--ink); transform: translate(-2px, -2px); }

.svc h3 { font-family: var(--serif); font-size: 26px; letter-spacing: .06em; }
.svc-tag {
  font-family: var(--mono); font-size: 12px; letter-spacing: .14em;
  color: var(--cinnabar); margin: 8px 0 16px;
}
.svc ul { margin: 14px 0 0 1.3em; }
.svc li { margin-bottom: 6px; }
.svc-state {
  margin-top: 22px; padding-top: 16px;
  border-top: 1px dashed var(--hairline);
  font-size: 14.5px; color: var(--ink-soft);
}

.proof {
  margin-top: 36px; padding: 22px 28px;
  background: var(--paper-deep);
  border-left: 4px solid var(--cinnabar);
  font-size: 16px; max-width: 46em;
}

/* ---- 02 工作电文 ---- */
.log { list-style: none; border-top: 1px solid var(--ink); }

.log-item {
  display: grid;
  grid-template-columns: 72px 1fr 148px;
  gap: 26px; align-items: start;
  padding: 34px 6px;
  border-bottom: 1px solid var(--hairline);
  transition: background .25s ease;
}
.log-item:hover { background: rgba(190, 58, 38, .045); }

.log-no {
  font-family: var(--serif); font-size: 34px; font-weight: 900;
  color: var(--cinnabar); line-height: 1.3;
}
.log-main h3 { font-family: var(--serif); font-size: 22px; letter-spacing: .04em; margin-bottom: 8px; }
.log-main p { color: #3D3830; font-size: 16px; max-width: 38em; }

.log-cipher {
  margin-top: 12px;
  font-family: var(--mono); font-size: 12px !important; letter-spacing: .1em;
  color: var(--ink-soft) !important;
}
.cipher-tag {
  display: inline-block;
  border: 1px solid var(--cinnabar); color: var(--cinnabar);
  font-size: 11px; padding: 0 6px; margin-right: 10px;
  letter-spacing: .2em;
}

.log-side { text-align: right; padding-top: 6px; }
.log-side b {
  display: block;
  font-family: var(--mono); font-size: 24px; font-weight: 700;
  color: var(--ink); letter-spacing: .02em;
}
.log-side i {
  font-style: normal; font-size: 12.5px; color: var(--ink-soft);
  letter-spacing: .06em;
}

/* ---- 03 个人作品 ---- */
.toys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.toy {
  border-top: 3px solid var(--ink);
  padding: 22px 4px 0;
}
.toy h3 { font-family: var(--serif); font-size: 21px; margin-bottom: 10px; }
.toy p { font-size: 15.5px; color: #3D3830; }
.toy-note {
  display: inline-block; margin-top: 14px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  color: var(--cinnabar);
}
.toy-note::before { content: "◆ "; font-size: 9px; vertical-align: 2px; }

/* ---- 04 文章 ---- */
.titles { list-style: none; border-top: 1px solid var(--ink); max-width: 44em; }
.titles li {
  padding: 16px 6px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--serif); font-size: 18.5px; letter-spacing: .03em;
  transition: padding-left .22s ease, color .22s ease;
}
.titles li:hover { padding-left: 18px; color: var(--cinnabar-deep); }
.t-no {
  font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft);
  margin-right: 18px; letter-spacing: .08em;
}
.titles-note { margin-top: 18px; color: var(--ink-soft); font-size: 15px; }

/* ---- 05 咖啡 ---- */
.coffee { padding-bottom: 40px; position: relative; }
.cup {
  position: absolute; right: 56px; top: 84px;
  width: 110px; height: auto;
  opacity: .92;
}
.coffee-lede { max-width: 40em; font-size: 18px; margin-bottom: 40px; }
.coffee-lede b { color: var(--cinnabar); }

.qr-row { display: flex; gap: 28px; flex-wrap: wrap; }

.qr-card {
  border: 1px solid var(--ink);
  padding: 18px 18px 14px;
  background: #FDFBF6;
  text-align: center;
  transition: box-shadow .25s ease, transform .25s ease;
}
.qr-card:hover { box-shadow: 6px 6px 0 var(--paper-deep), 6px 6px 0 1px var(--ink); transform: translate(-2px, -2px); }
.qr-card img { display: block; width: 200px; height: 200px; }
.qr-card figcaption { margin-top: 12px; line-height: 1.5; padding-bottom: 4px; }
.qr-card b { display: block; font-family: var(--serif); font-size: 16.5px; }
.qr-card span { font-size: 12.5px; color: var(--ink-soft); letter-spacing: .05em; }

/* ---- 页脚 ---- */
.colophon {
  max-width: 960px; margin: 60px auto 0; padding: 26px 28px 44px;
  border-top: 1px solid var(--ink);
  font-size: 13.5px; color: var(--ink-soft); letter-spacing: .08em;
}
.colophon-note { margin-top: 6px; font-size: 12px; opacity: .8; }

/* ---- 入场动画 ---- */
.rise { opacity: 0; transform: translateY(18px); animation: rise .7s ease forwards; }
.d1 { animation-delay: .05s } .d2 { animation-delay: .15s } .d3 { animation-delay: .3s }
.d4 { animation-delay: .45s } .d5 { animation-delay: .6s }
@keyframes rise { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---- 响应式 ---- */
@media (max-width: 1060px) {
  .tower { display: none; }
}

@media (max-width: 860px) {
  .spine { display: none; }
  .seal { right: -70px; }
  .svc-grid { grid-template-columns: 1fr; }
  .toys { grid-template-columns: 1fr; gap: 30px; }
  .cup { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  main { padding: 0 20px; }
  .masthead { padding: 18px 20px 12px; }
  .masthead-mid { display: none; }
  .hero { padding: 56px 0 44px; }
  .seal { right: -64px; bottom: 10px; width: 48px; height: 48px; font-size: 16px; }
  .lede { font-size: 17px; }
  .log-item { grid-template-columns: 44px 1fr; }
  .log-no { font-size: 24px; }
  .log-side {
    grid-column: 2; text-align: left; padding-top: 2px;
    display: flex; align-items: baseline; gap: 10px;
  }
  .log-side b { font-size: 19px; }
  .qr-row { justify-content: center; }
}