/* ============================================================
   缘溪 — 个人文学作品网站
   文学的工程制图 · 黑白无彩
   ============================================================ */

/* ---------- 思源宋体子集（仅标题/固定文案，正文用系统宋体） ---------- */
@font-face {
  font-family: "Source Han Serif SC";
  src: url("/fonts/SourceHanSerifSC-subset.woff2") format("woff2");
  font-weight: 200 900;          /* 可变字体字重范围 */
  font-display: swap;            /* 加载前先用系统字体，不阻塞 */
  font-style: normal;
}

/* ---------- 设计变量 ---------- */
:root {
  --bg: #f4f4f2;
  --bg-soft: #ecece9;
  --text: #141414;
  --text-soft: #5c5c58;
  --text-faint: #8c8c88;
  --line: #d8d8d3;
  --line-strong: #c2c2bc;
  --surface: #fbfbf9;

  /* 统一的昼夜切换过渡 */
  --theme-dur: .55s;
  --theme-ease: cubic-bezier(.4,0,.2,1);

  /* 字体 */
  --font-display: "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif; /* 标题：思源宋体 */
  --font-serif: "Songti SC", "SimSun", "Source Han Serif SC", Georgia, serif;   /* 正文：系统宋体优先 */
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Consolas", "Menlo", monospace;

  --maxw: 1180px;
  --reader-font-size: 1.12rem;
}

[data-theme="dark"] {
  --bg: #0b0b0c;
  --bg-soft: #141416;
  --text: #e8e8e6;
  --text-soft: #a4a4a0;
  --text-faint: #67676c;
  --line: #242428;
  --line-strong: #34343a;
  --surface: #131315;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* 昼夜切换瞬间：全站统一颜色过渡（只过渡颜色，不碰 transform） */
html.theme-anim,
html.theme-anim *,
html.theme-anim *::before,
html.theme-anim *::after {
  transition: background-color var(--theme-dur) var(--theme-ease),
              color var(--theme-dur) var(--theme-ease),
              border-color var(--theme-dur) var(--theme-ease),
              fill var(--theme-dur) var(--theme-ease),
              stroke var(--theme-dur) var(--theme-ease) !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-variant-numeric: slashed-zero;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }

/* 焦点可访问性 */
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }

/* ---------- 跟随鼠标的全局坐标轴 ---------- */
.cursor-axes {
  position: fixed; inset: 0; z-index: 9000; pointer-events: none;
  opacity: 0; transition: opacity .4s ease;
}
.cursor-axes.show { opacity: 1; }
.axis { position: absolute; background: var(--text); opacity: .26; }
.axis-x { left: 0; right: 0; height: 1px; top: 0; }
.axis-y { top: 0; bottom: 0; width: 1px; left: 0; }
.axis-read {
  position: absolute; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: .12em; color: var(--text); background: var(--bg);
  padding: 1px 4px; white-space: nowrap; top: 0;
}
.axis-read-x { margin: 8px 0 0 8px; }
.axis-read-y { margin: -16px 0 0 8px; }
@media (hover: none) { .cursor-axes { display: none; } }

/* ---------- 边框刻度装饰 ---------- */
.frame-marks { position: fixed; inset: 0; pointer-events: none; z-index: 1; }
.corner { position: absolute; width: 14px; height: 14px; }
.corner::before, .corner::after { content: ""; position: absolute; background: var(--line-strong); }
.corner::before { width: 14px; height: 1px; top: 0; }
.corner::after { height: 14px; width: 1px; left: 0; }
.corner.tl { top: 18px; left: 18px; }
.corner.tr { top: 18px; right: 18px; transform: rotate(90deg); }
.corner.bl { bottom: 18px; left: 18px; transform: rotate(-90deg); }
.corner.br { bottom: 18px; right: 18px; transform: rotate(180deg); }

/* 左侧纵向刻度尺 */
.side-ruler { position: fixed; left: 18px; top: 80px; bottom: 80px; width: 1px; background: var(--line); z-index: 1; pointer-events: none; }
.side-ruler .tick { position: absolute; left: 0; width: 7px; height: 1px; background: var(--line-strong); }
.side-ruler .tick.long { width: 12px; }
.side-ruler .label { position: absolute; left: 16px; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; color: var(--text-faint); transform: translateY(-50%); }
@media (max-width: 880px) { .side-ruler { display: none; } }

/* ---------- 线条唱片机音乐播放器 ---------- */
.player {
  position: fixed; left: 48px; top: 80px; z-index: 46;
  display: flex; align-items: flex-start; gap: 6px;
}
.player-disc {
  position: relative; width: 76px; height: 76px; padding: 0;
  background: none; border: none; cursor: pointer; flex-shrink: 0;
}
.player-disc svg { width: 100%; height: 100%; display: block; overflow: visible; }
/* 唱片纹路线条 */
.player-disc .disc-edge,
.player-disc .disc-ring,
.player-disc .disc-label { fill: none; stroke: var(--text-soft); stroke-width: 1; vector-effect: non-scaling-stroke; transition: stroke .2s; }
.player-disc .disc-edge { stroke-width: 1.4; }
.player-disc .disc-hole { fill: var(--text-soft); transition: fill .2s; }
.player-disc .disc-mark { stroke: var(--text-soft); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.player-disc:hover .disc-edge,
.player-disc:hover .disc-ring,
.player-disc:hover .disc-label { stroke: var(--text); }
.player-disc:hover .disc-hole { fill: var(--text); }
/* 唱片旋转：仅旋转 disc-spin 组，绕唱片圆心(42,54) */
.disc-spin { transform-origin: 42px 54px; }
.player.playing .disc-spin { animation: discSpin 4s linear infinite; }
@keyframes discSpin { to { transform: rotate(360deg); } }
/* 唱针臂：绕支点(78,20)旋转；暂停时抬起(收起)，播放时落到唱片上 */
.player-disc .tonearm { transform-origin: 78px 20px; transform: rotate(-22deg); transition: transform .5s cubic-bezier(.34,1.4,.5,1); }
.player.playing .player-disc .tonearm { transform: rotate(0deg); }
.player-disc .arm-base { fill: var(--bg); stroke: var(--text-soft); stroke-width: 1; vector-effect: non-scaling-stroke; }
.player-disc .arm-pivot { fill: var(--text-soft); }
.player-disc .arm-rod { stroke: var(--text-soft); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.player-disc .arm-head { fill: var(--bg); stroke: var(--text-soft); stroke-width: 1.2; vector-effect: non-scaling-stroke; }
.player-disc:hover .arm-base,
.player-disc:hover .arm-rod,
.player-disc:hover .arm-head { stroke: var(--text); }
.player-disc:hover .arm-pivot { fill: var(--text); }
/* 展开按钮 */
.player-expand {
  width: 22px; height: 22px; margin-top: 2px; padding: 0;
  background: var(--bg); border: 1px solid var(--line-strong); color: var(--text-soft);
  font-size: 12px; line-height: 1; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; transition: all .2s;
}
.player-expand:hover { border-color: var(--text); color: var(--text); }
/* 展开面板 */
.player-panel {
  position: absolute; left: 0; top: 88px; width: 260px;
  background: var(--bg); border: 1px solid var(--line-strong);
  padding: 14px; opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s;
}
.player.open .player-panel { opacity: 1; visibility: visible; transform: none; }
.player-panel-head { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); padding-bottom: 8px; margin-bottom: 10px; }
.pp-title { font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-soft); }
.pp-mode { font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; background: none; border: 1px solid var(--line-strong); color: var(--text-soft); padding: 2px 8px; cursor: pointer; transition: all .2s; }
.pp-mode:hover { border-color: var(--text); color: var(--text); }
.player-now { font-family: var(--font-serif); font-size: .9rem; color: var(--text); margin-bottom: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-list { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto; }
.player-list li {
  display: flex; align-items: baseline; gap: 8px; padding: 7px 4px; cursor: pointer;
  font-size: .85rem; color: var(--text-soft); border-bottom: 1px solid var(--line);
  transition: color .2s, padding-left .2s;
}
.player-list li:last-child { border-bottom: none; }
.player-list li:hover { color: var(--text); padding-left: 8px; }
.player-list li.active { color: var(--text); }
.player-list li.active .pl-no::before { content: "▸ "; }
.pl-no { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); flex-shrink: 0; }
.player-list li.active .pl-no { color: var(--text); }
.pl-title { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pl-dur { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); flex-shrink: 0; }
/* 无曲目时隐藏整个播放器 */
.player.empty { display: none; }
/* 移动端：缩小并移到左下角，避免和顶栏/刻度尺挤 */
@media (max-width: 760px) {
  .player { left: 12px; top: auto; bottom: 14px; }
  .player-disc { width: 60px; height: 60px; }
  .player-panel { top: auto; bottom: 68px; width: 220px; }
}

/* ---------- 印刷 / 校对元素（低调点缀，统一 z-index:45） ---------- */
.cmyk-bar { position: fixed; display: flex; flex-direction: column; right: 18px; bottom: 56px; gap: 0; z-index: 45; opacity: .85; }
.cmyk-bar i { display: block; width: 9px; height: 9px; }
.cmyk-bar i.c { background: #00aeef; }
.cmyk-bar i.m { background: #ec008c; }
.cmyk-bar i.y { background: #fff200; }
.cmyk-bar i.k { background: #1c1c1c; }
.cmyk-bar i.r { background: var(--bg); border: 1px solid var(--line-strong); }
.cmyk-label { position: fixed; right: 32px; bottom: 56px; z-index: 45; font-family: var(--font-mono); font-size: 8px; letter-spacing: .15em; color: var(--text-faint); writing-mode: vertical-rl; text-orientation: mixed; height: 45px; }
/* 套准十字标记 */
.reg-mark { position: fixed; width: 20px; height: 20px; pointer-events: none; z-index: 45; opacity: .5; }
.reg-mark::before, .reg-mark::after { content: ""; position: absolute; background: var(--text-faint); }
.reg-mark::before { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.reg-mark::after { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.reg-mark span { position: absolute; left: 50%; top: 50%; width: 12px; height: 12px; transform: translate(-50%,-50%); border: 1px solid var(--text-faint); border-radius: 50%; }
.reg-mark.r1 { right: 46px; top: 76px; }
/* r2 原在左下角，与左侧刻度尺冲突 → 移到右下角偏上，避开刻度尺 */
.reg-mark.r2 { right: 46px; bottom: 120px; }
/* 裁切标记 */
.crop-mark { position: fixed; top: 18px; right: 46px; z-index: 45; opacity: .45; pointer-events: none; }
.crop-mark::before, .crop-mark::after { content: ""; position: absolute; background: var(--text-faint); }
.crop-mark::before { width: 1px; height: 16px; top: 0; left: 0; }
.crop-mark::after { width: 16px; height: 1px; top: 0; left: 0; }
@media (max-width: 880px) {
  .reg-mark, .cmyk-label { display: none; }
  /* 手机上：CMYK 色块改横排、缩小、移到右下角内缩，避免贴边凌乱 */
  .cmyk-bar { flex-direction: row; bottom: 16px; right: 16px; opacity: .7; }
  .cmyk-bar i { width: 7px; height: 7px; }
  /* 四角裁切/边框标记在手机上太挤，隐藏裁切标记，边角标记收小 */
  .crop-mark { display: none; }
  .corner { width: 10px; height: 10px; }
  .corner.tl { top: 10px; left: 10px; }
  .corner.tr { top: 10px; right: 10px; }
  .corner.bl { bottom: 10px; left: 10px; }
  .corner.br { bottom: 10px; right: 10px; }
}

/* ---------- 顶栏 ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; height: 60px; gap: 32px; max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
.site-title { font-weight: 700; font-size: 1.15rem; letter-spacing: .35em; text-transform: uppercase; }
.site-index { font-family: var(--font-mono); font-size: 10px; letter-spacing: .15em; color: var(--text-faint); border: 1px solid var(--line-strong); padding: 2px 7px; align-self: center; }
.site-nav { display: flex; gap: 30px; margin-left: auto; }
.nav-link { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-soft); position: relative; padding: 4px 0; transition: color .25s; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--text); }
/* 下划线：默认隐藏，hover 从左展开、active 常亮 */
.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--text); transform: scaleX(0); transform-origin: left center; transition: transform .3s cubic-bezier(.16,1,.3,1); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active::after { transform: scaleX(1); }
.theme-toggle { background: none; border: 1px solid var(--line-strong); color: var(--text-soft); width: 30px; height: 30px; cursor: pointer; padding: 0; display: flex; align-items: center; justify-content: center; transition: all .25s; flex-shrink: 0; }
.theme-toggle svg { width: 16px; height: 16px; display: block; }
/* 白天：显示月亮（点它去夜晚）；夜晚：显示太阳（点它回白天） */
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
.theme-toggle:hover { border-color: var(--text); color: var(--text); }

/* 移动端导航 */
.nav-toggle { display: none; }
.nav-link .nav-en { } /* 英文部分，移动端隐藏 */
@media (max-width: 760px) {
  .header-inner { padding: 0 14px; gap: 10px; height: 52px; }
  .site-title { font-size: 1rem; letter-spacing: .12em; white-space: nowrap; flex-shrink: 0; }
  .site-index { display: none; }
  .site-nav { gap: 13px; flex-shrink: 1; min-width: 0; }
  .nav-link { font-size: 11px; letter-spacing: .04em; }
  .nav-link .nav-en { display: none; } /* 手机上只显示中文，省空间 */
  .theme-toggle { width: 28px; height: 28px; font-size: 9px; }
}
@media (max-width: 380px) {
  .site-nav { gap: 10px; }
  .nav-link { font-size: 10px; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 90vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.hero-contour { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero-contour path { fill: none; stroke: var(--line-strong); vector-effect: non-scaling-stroke; }
.hero-contour text { font-family: var(--font-mono); font-size: 9px; letter-spacing: .08em; fill: var(--text-faint); }
.hero-inner { position: relative; z-index: 3; text-align: center; padding: 0 24px; }
.hero-inner::before { content: ""; position: absolute; left: 50%; top: 50%; width: 150%; height: 150%; transform: translate(-50%,-50%); background: radial-gradient(ellipse at center, var(--bg) 28%, transparent 70%); z-index: -1; }
.hero-coord { font-family: var(--font-mono); font-size: 10px; letter-spacing: .25em; color: var(--text-faint); margin-bottom: 22px; text-transform: uppercase; }

/* 名字主体（可切换） */
.hero-name { font-family: var(--font-display); font-size: clamp(3.6rem, 13vw, 9rem); font-weight: 700; line-height: .98; letter-spacing: .26em; margin: 0; color: var(--text); display: flex; justify-content: center; }
.name-track { position: relative; display: inline-block; height: 1em; line-height: 1; }
.name-item { position: absolute; left: 50%; top: 0; transform: translate(-50%, 0); white-space: nowrap; text-indent: .26em; opacity: 0; clip-path: inset(0 0 100% 0); transition: opacity .55s cubic-bezier(.16,1,.3,1), transform .55s cubic-bezier(.16,1,.3,1), clip-path .55s cubic-bezier(.16,1,.3,1); pointer-events: none; }
.name-item.active { opacity: 1; transform: translate(-50%, 0); clip-path: inset(0 0 0 0); }
.name-item.leaving { opacity: 0; transform: translate(-50%, -38%); clip-path: inset(0 0 100% 0); }
.name-item.entering { opacity: 0; transform: translate(-50%, 38%); clip-path: inset(100% 0 0 0); }
/* 当前名字标注 */
.hero-tag { margin-top: 24px; font-family: var(--font-mono); font-size: clamp(.7rem, 1.3vw, .82rem); font-weight: 500; letter-spacing: .42em; color: var(--text-soft); text-transform: uppercase; text-indent: .42em; position: relative; display: inline-block; }
.hero-tag::before, .hero-tag::after { content: ""; position: absolute; top: 50%; width: 22px; height: 1px; background: var(--line-strong); }
.hero-tag::before { right: 100%; margin-right: 16px; }
.hero-tag::after { left: 100%; margin-left: 16px; }
.hero-tag.flip { animation: tagFlip .55s cubic-bezier(.16,1,.3,1); }
@keyframes tagFlip { 0% { opacity: 1; } 35% { opacity: 0; transform: translateY(6px); } 100% { opacity: 1; transform: none; } }
.hero-motto { margin-top: 30px; font-family: var(--font-serif); font-size: clamp(1rem, 2vw, 1.3rem); font-weight: 400; letter-spacing: .12em; color: var(--text-soft); }
.hero-scroll { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); z-index: 2; font-family: var(--font-mono); font-size: 9px; letter-spacing: .25em; color: var(--text-faint); text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.hero-scroll .line { width: 1px; height: 34px; background: var(--line-strong); position: relative; overflow: hidden; }
.hero-scroll .line::after { content: ""; position: absolute; left: 0; top: -34px; width: 1px; height: 34px; background: var(--text); animation: scrollDot 2.4s cubic-bezier(.7,0,.3,1) infinite; }
@keyframes scrollDot { 0% { top: -34px; } 60%,100% { top: 34px; } }

/* ---------- 揭示动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.hero-name.reveal { transform: translateY(40px) scale(.96); transition: opacity 1.3s cubic-bezier(.16,1,.3,1), transform 1.3s cubic-bezier(.16,1,.3,1); }
.hero-name.reveal.in { transform: none; }

/* ---------- 矢量线条「绘制生长」入场动效 ---------- */
/* 横向生长（从左画出）：用于分隔线、下边框等 */
.draw-x { transform: scaleX(0); transform-origin: left center; transition: transform 1s cubic-bezier(.16,1,.3,1); }
.draw-x.in { transform: scaleX(1); }
/* 纵向生长（从上画出）：用于左侧刻度尺、时间轴竖线 */
.draw-y { transform: scaleY(0); transform-origin: top center; transition: transform 1.1s cubic-bezier(.16,1,.3,1); }
.draw-y.in { transform: scaleY(1); }
/* 节点/小标记淡入缩放 */
.draw-dot { opacity: 0; transform: scale(0); transition: opacity .5s ease, transform .5s cubic-bezier(.16,1,.3,1); }
.draw-dot.in { opacity: 1; transform: scale(1); }

/* ---------- 区块 ---------- */
.section { padding: 90px 0; position: relative; scroll-margin-top: 60px; }
.section-head { display: flex; align-items: baseline; gap: 16px; padding-bottom: 14px; margin-bottom: 8px; position: relative; }
.section-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--text); transform: scaleX(0); transform-origin: left center; transition: transform 1s cubic-bezier(.16,1,.3,1) .15s; }
.section-head.in::after { transform: scaleX(1); }
.section-no { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--text-faint); }
.section-title { font-weight: 700; font-size: 1.05rem; letter-spacing: .25em; text-transform: uppercase; margin: 0; }
.section-meta { margin-left: auto; font-family: var(--font-mono); font-size: 10px; letter-spacing: .15em; color: var(--text-faint); }

/* 分类筛选 + 搜索 */
.toolbar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin: 28px 0 8px; }
.cat-tabs { display: flex; gap: 0; border: 1px solid var(--line-strong); width: fit-content; scroll-margin-top: 84px; flex-wrap: wrap; }
.cat-tab { font-family: var(--font-mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: var(--text-soft); padding: 8px 16px; border-right: 1px solid var(--line-strong); cursor: pointer; transition: all .2s; white-space: nowrap; }
.cat-tab:last-child { border-right: none; }
.cat-tab:hover { background: var(--bg-soft); color: var(--text); }
.cat-tab.active { background: var(--text); color: var(--bg); }
.search-form { display: flex; }
.search-input { background: var(--surface); border: 1px solid var(--line-strong); padding: 7px 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--text); width: 170px; transition: border-color .2s, width .2s; }
.search-input:focus { outline: none; border-color: var(--text); width: 210px; }
.search-input::placeholder { color: var(--text-faint); }

/* ---------- 档案式作品列表 ---------- */
.work-list { margin-top: 10px; }
.work-row { display: grid; grid-template-columns: 70px 110px 1fr 90px; align-items: center; gap: 24px; padding: 26px 8px 26px 0; position: relative; border-bottom: 1px solid var(--line); transition: padding-left .4s cubic-bezier(.16,1,.3,1); }
.work-row::before { content: ""; position: absolute; left: 0; top: 0; bottom: -1px; width: 0; background: var(--text); transition: width .4s cubic-bezier(.16,1,.3,1); }
.work-row:hover { padding-left: 22px; }
.work-row:hover::before { width: 3px; }
.w-no { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); letter-spacing: .05em; }
.w-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-soft); border: 1px solid var(--line-strong); padding: 3px 8px; width: fit-content; }
.w-main { min-width: 0; }
.w-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: .02em; margin: 0 0 6px; line-height: 1.3; transition: transform .4s cubic-bezier(.16,1,.3,1); }
.work-row:hover .w-title { transform: translateX(4px); }
.w-excerpt { margin: 0; font-size: .92rem; color: var(--text-soft); line-height: 1.6; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-coord { font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; color: var(--text-faint); text-align: right; }
.work-row:hover .w-coord { color: var(--text); }
.empty-hint { text-align: center; color: var(--text-faint); padding: 70px 0; font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; }

@media (max-width: 760px) {
  .container { padding: 0 20px; }
  .work-row { grid-template-columns: 48px 1fr; gap: 6px 14px; }
  .w-cat { grid-row: 1; grid-column: 2; margin-bottom: 4px; }
  .w-main { grid-column: 2; }
  .w-no { grid-row: 1; }
  .w-coord { display: none; }
  .w-title { font-size: 1.25rem; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .search-input, .search-input:focus { width: 100%; }
  .search-form { width: 100%; }

  /* 分类标签：移动端改为每个独立边框 + 间隙，避免换行后边框错乱 */
  .cat-tabs { border: none; gap: 8px; width: 100%; }
  .cat-tab { border: 1px solid var(--line-strong); padding: 7px 14px; }
  .cat-tab:last-child { border-right: 1px solid var(--line-strong); }

  /* 区块标题在窄屏缩小，避免 §01 / TOTAL 挤压 */
  .section { padding: 60px 0; }
  .section-title { font-size: .92rem; letter-spacing: .15em; }
  .section-no, .section-meta { font-size: 9px; }

  /* Hero 名字：窄屏略收字距，避免最后一字贴边 */
  .hero-name { letter-spacing: .18em; }
  .name-item { text-indent: .18em; }
  .hero-coord { font-size: 9px; letter-spacing: .15em; }
  .hero-tag { letter-spacing: .3em; text-indent: .3em; font-size: .68rem; }
  .hero-tag::before, .hero-tag::after { width: 14px; }
  .hero-tag::before { margin-right: 10px; }
  .hero-tag::after { margin-left: 10px; }
}

/* ---------- 阅读页 ---------- */
.reader-progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60; background: transparent; }
.reader-progress-bar { height: 100%; width: 0; background: var(--text); transition: width .1s linear; }
.reading-page { background: var(--bg-soft); }
.reader { max-width: 720px; margin: 0 auto; padding: 70px 0 110px; position: relative; }
.reader-rail { position: absolute; left: -54px; top: 90px; bottom: 110px; width: 1px; background: var(--line); }
.reader-rail .fill { position: absolute; left: 0; top: 0; width: 1px; height: 0; background: var(--text); }
@media (max-width: 880px) { .reader-rail { display: none; } }
.reader-header { margin-bottom: 44px; }
.reader-meta { font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-faint); display: flex; gap: 18px; margin-bottom: 20px; flex-wrap: wrap; }
.reader-title { font-family: var(--font-display); font-size: clamp(2rem,4vw,2.8rem); font-weight: 700; letter-spacing: .03em; line-height: 1.3; margin: 0 0 14px; }
.reader-byline { font-family: var(--font-mono); font-size: 11px; letter-spacing: .25em; color: var(--text-soft); text-transform: uppercase; }
.reader-cover { margin: 32px 0 0; }
.reader-cover img { width: 100%; }
.reader-body { font-family: var(--font-serif); font-size: var(--reader-font-size); line-height: 2.05; letter-spacing: .015em; color: var(--text); margin-top: 40px; }
.reader-body p { margin: 0 0 1.4em; text-align: justify; }
.reader-body h1, .reader-body h2, .reader-body h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: .03em; margin: 1.8em 0 .8em; }
.reader-body h1 { font-size: 1.5em; }
.reader-body h2 { font-size: 1.3em; }
.reader-body h3 { font-size: 1.12em; }
.reader-body blockquote { margin: 1.6em 0; padding: .4em 1.4em; border-left: 2px solid var(--text); color: var(--text-soft); font-style: italic; }
.reader-body img { margin: 1.4em auto; display: block; }
.reader-body hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }
.reader-body a { color: var(--text); border-bottom: 1px solid var(--text); }
.reader-body ul, .reader-body ol { padding-left: 1.6em; margin: 0 0 1.4em; }
.reader-body code { background: var(--bg); padding: .1em .4em; font-family: var(--font-mono); font-size: .9em; }
.reader-body pre { background: var(--bg); padding: 1em 1.2em; overflow-x: auto; border: 1px solid var(--line); }
.reader-body pre code { background: none; padding: 0; }
.reader-footer { margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--text); }
.back-link { font-family: var(--font-mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: var(--text-soft); transition: color .2s; }
.back-link:hover { color: var(--text); }
/* 阅读字号工具 */
.reader-tools { position: fixed; right: 24px; bottom: 90px; display: flex; flex-direction: column; gap: 6px; z-index: 44; }
.reader-tools button { width: 36px; height: 36px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--text-soft); cursor: pointer; font-family: var(--font-mono); font-size: 11px; transition: all .2s; }
.reader-tools button:hover { border-color: var(--text); color: var(--text); }
body:not(.reading-page) .reader-tools { display: none; }
@media (max-width: 760px) { .reader-tools { right: 12px; bottom: 70px; } }

/* ---------- 图文页（关于） ---------- */
.prose-page { max-width: 720px; margin: 0 auto; padding: 80px 0 110px; }
.page-head { padding-bottom: 14px; margin-bottom: 40px; display: flex; align-items: baseline; gap: 16px; position: relative; }
.page-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--text); transform: scaleX(0); transform-origin: left center; transition: transform 1s cubic-bezier(.16,1,.3,1) .15s; }
.page-head.in::after { transform: scaleX(1); }
.page-no { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); letter-spacing: .1em; }
.page-title { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; letter-spacing: .08em; margin: 0; }
.page-meta { margin-left: auto; font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); letter-spacing: .12em; }
.prose { font-family: var(--font-serif); font-size: 1.05rem; line-height: 2; color: var(--text); }
.prose p { margin: 0 0 1.3em; }
.prose h1, .prose h2, .prose h3 { font-family: var(--font-display); font-weight: 600; margin: 1.6em 0 .7em; letter-spacing: .03em; }
.prose h2 { font-size: 1.3em; }
.prose a { color: var(--text); border-bottom: 1px solid var(--text); }
.prose ul, .prose ol { padding-left: 1.6em; }
.prose blockquote { border-left: 2px solid var(--text); padding-left: 1.2em; color: var(--text-soft); margin: 1.4em 0; }
.contact-block { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.contact-block h2 { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .05em; }

/* ---------- 简历页：纵向时间轴 ---------- */
.resume-page { max-width: 820px; }
.resume-intro { font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.9; color: var(--text-soft); margin-bottom: 56px; }
.timeline { position: relative; margin-left: 8px; padding-left: 40px; }
/* 时间轴竖线改用伪元素，支持「从上往下画出」动效 */
.timeline::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px;
  background: var(--line-strong);
  transform: scaleY(0); transform-origin: top center;
  transition: transform 1.2s cubic-bezier(.16,1,.3,1);
}
.timeline.in::before { transform: scaleY(1); }
.tl-item { position: relative; padding-bottom: 48px; }
.tl-item:last-child { padding-bottom: 0; }
/* 坐标节点（十字标记） */
.tl-node { position: absolute; left: -46px; top: 4px; width: 13px; height: 13px; }
.tl-node::before, .tl-node::after { content: ""; position: absolute; background: var(--text); }
.tl-node::before { left: 50%; top: 0; bottom: 0; width: 1px; transform: translateX(-50%); }
.tl-node::after { top: 50%; left: 0; right: 0; height: 1px; transform: translateY(-50%); }
.tl-date { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--text-faint); margin-bottom: 8px; }
.tl-title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; letter-spacing: .02em; margin: 0 0 4px; }
.tl-org { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--text-soft); text-transform: uppercase; margin-bottom: 10px; }
.tl-desc { font-family: var(--font-serif); font-size: .98rem; line-height: 1.8; color: var(--text-soft); }
.tl-desc p { margin: 0 0 .8em; }
.resume-fallback { margin-top: 20px; }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid var(--text); padding: 50px 0 70px; }
.footer-grid { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-motto { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .08em; color: var(--text); }
.footer-meta { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--text-faint); text-transform: uppercase; line-height: 1.9; text-align: right; }

/* ---------- 404 ---------- */
.notfound { min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 18px; }
.notfound-code { font-family: var(--font-display); font-size: clamp(4rem, 16vw, 10rem); font-weight: 700; letter-spacing: .1em; line-height: 1; }
.notfound-text { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--text-faint); text-transform: uppercase; }

/* ---------- 载入页（终端风格） ---------- */
.loader { position: fixed; inset: 0; z-index: 99999; background: var(--bg); color: var(--text); display: flex; align-items: center; justify-content: center; transition: opacity .6s ease, visibility .6s ease; }
.loader.done { opacity: 0; visibility: hidden; }
.loader-inner { width: min(560px, 86vw); }
.loader-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--text); padding-bottom: 10px; margin-bottom: 18px; font-family: var(--font-mono); flex-wrap: wrap; gap: 6px; }
.loader-title { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }
.loader-coord { font-size: 10px; letter-spacing: .12em; color: var(--text-faint); }
.loader-term { font-family: var(--font-mono); font-size: 12px; line-height: 1.9; min-height: 200px; color: var(--text-soft); }
.loader-term .ln { white-space: pre-wrap; word-break: break-all; }
.loader-term .ln .ok { color: var(--text); }
.loader-term .caret { display: inline-block; width: 7px; height: 13px; background: var(--text); vertical-align: -2px; margin-left: 2px; animation: caretBlink .9s steps(1) infinite; }
@keyframes caretBlink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }
.loader-bar { margin-top: 20px; height: 2px; background: var(--line); position: relative; overflow: hidden; }
.loader-bar span { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: var(--text); transition: width .12s linear; }
.loader-foot { margin-top: 10px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .15em; color: var(--text-faint); text-transform: uppercase; }
body.loading { overflow: hidden; }

/* ---------- 无障碍：尊重“减少动态效果” ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .cursor-axes { display: none !important; }
  .hero-scroll .line::after { display: none; }
}