/*
Theme Name: Paper Printer
Theme URI: https://hahaha.me/
Author: Doubao
Author URI: https://hahaha.me/
Description: 一款「老式打印机 + 纸张」风格的中文博客主题：打印机机身、出纸槽、纸面点阵、锯齿纸边、打字机字体与橙色强调色。支持浅色 / 深色 / 棕色三套配色、分类筛选、点赞与自定义首页导语。视觉灵感来自 hahaha.me《好事发生》。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: paper-printer
Tags: blog, one-column, custom-colors, custom-menu, editor-style, featured-images, threaded-comments, translation-ready
*/

/* =========================================================
   1. 设计令牌（三套配色）
   浅色取自已参考站点的 nooc light 方案，深色 / 棕色对应 dark、brown
   ========================================================= */
:root,
[data-scheme="light"] {
  --pp-page: #e0e0d8;
  --pp-body: #f5f0e8;
  --pp-shell: #e8e0d0;
  --pp-button: #d4cbc0;
  --pp-button-active: #c8bfb4;
  --pp-paper: #fffef9;
  --pp-paper-fade: rgba(255, 254, 249, 0.82);
  --pp-ink: #2c2824;
  --pp-ink-light: #8a8078;
  --pp-ink-soft: #4a443e;
  --pp-tape: #f0ede6;
  --pp-accent: #ff6b35;
  --pp-accent-strong: #d95422;
  --pp-border: rgba(44, 40, 36, 0.1);
  --pp-border-strong: rgba(44, 40, 36, 0.16);
  --pp-speck: rgba(0, 0, 0, 0.042);
  --pp-perf: rgba(44, 40, 36, 0.36);
  --pp-tint: rgba(44, 40, 36, 0.055);
  --pp-tint-2: rgba(44, 40, 36, 0.09);
  --pp-hl-a: rgba(255, 107, 53, 0.2);
  --pp-hl-b: rgba(255, 107, 53, 0.07);
  --pp-chip-active: rgba(255, 107, 53, 0.14);
  --pp-chip-active-ink: #d95422;
  --pp-muted-bg: rgba(240, 237, 230, 0.82);
  --pp-occlusion: rgba(0, 0, 0, 0.12);
  --pp-control-border: rgba(44, 40, 36, 0.1);
  --pp-control-highlight: rgba(255, 255, 255, 0.5);
  --pp-control-shadow: rgba(0, 0, 0, 0.08);
  --pp-housing-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42), 0 4px 12px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
  --pp-paper-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.1);
  --pp-body-glow: rgba(255, 255, 255, 0.26);
  --pp-code-bg: rgba(44, 40, 36, 0.06);
  --pp-led: #5fbf7f;
  color-scheme: light;
}

[data-scheme="dark"] {
  --pp-page: #070a10;
  --pp-body: #14171d;
  --pp-shell: #181c24;
  --pp-button: #1b202a;
  --pp-button-active: #242b38;
  --pp-paper: #090d12;
  --pp-paper-fade: rgba(9, 13, 18, 0.82);
  --pp-ink: #d8dee9;
  --pp-ink-light: #757f8e;
  --pp-ink-soft: #b9c2cf;
  --pp-tape: #151a22;
  --pp-accent: #ff7a35;
  --pp-accent-strong: #ff8f52;
  --pp-border: rgba(148, 163, 184, 0.13);
  --pp-border-strong: rgba(148, 163, 184, 0.22);
  --pp-speck: rgba(148, 163, 184, 0.055);
  --pp-perf: rgba(148, 163, 184, 0.3);
  --pp-tint: rgba(148, 163, 184, 0.1);
  --pp-tint-2: rgba(148, 163, 184, 0.16);
  --pp-hl-a: rgba(255, 122, 53, 0.24);
  --pp-hl-b: rgba(255, 122, 53, 0.08);
  --pp-chip-active: rgba(255, 122, 53, 0.18);
  --pp-chip-active-ink: #ffa173;
  --pp-muted-bg: rgba(27, 32, 42, 0.86);
  --pp-occlusion: rgba(0, 0, 0, 0.42);
  --pp-control-border: rgba(148, 163, 184, 0.14);
  --pp-control-highlight: rgba(255, 255, 255, 0.06);
  --pp-control-shadow: rgba(0, 0, 0, 0.45);
  --pp-housing-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), inset 0 -1px 0 rgba(0, 0, 0, 0.44), 0 18px 48px rgba(0, 0, 0, 0.48), 0 1px 2px rgba(0, 0, 0, 0.5);
  --pp-paper-shadow: 0 22px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(148, 163, 184, 0.08);
  --pp-body-glow: rgba(255, 122, 53, 0.1);
  --pp-code-bg: rgba(148, 163, 184, 0.12);
  --pp-led: #58d68d;
  color-scheme: dark;
}

[data-scheme="brown"] {
  --pp-page: #151412;
  --pp-body: #26231f;
  --pp-shell: #2f2a24;
  --pp-button: #3a332b;
  --pp-button-active: #4b4137;
  --pp-paper: #1e1c19;
  --pp-paper-fade: rgba(30, 28, 25, 0.82);
  --pp-ink: #f3e8d7;
  --pp-ink-light: #afa291;
  --pp-ink-soft: #ded1bd;
  --pp-tape: #2b2722;
  --pp-accent: #ff7a45;
  --pp-accent-strong: #ff9463;
  --pp-border: rgba(255, 239, 214, 0.13);
  --pp-border-strong: rgba(255, 239, 214, 0.22);
  --pp-speck: rgba(255, 239, 214, 0.05);
  --pp-perf: rgba(255, 232, 196, 0.34);
  --pp-tint: rgba(255, 239, 214, 0.07);
  --pp-tint-2: rgba(255, 239, 214, 0.12);
  --pp-hl-a: rgba(255, 122, 69, 0.24);
  --pp-hl-b: rgba(255, 122, 69, 0.08);
  --pp-chip-active: rgba(255, 122, 69, 0.18);
  --pp-chip-active-ink: #ffa780;
  --pp-muted-bg: rgba(58, 51, 43, 0.86);
  --pp-occlusion: rgba(0, 0, 0, 0.4);
  --pp-control-border: rgba(255, 232, 196, 0.16);
  --pp-control-highlight: rgba(255, 232, 196, 0.07);
  --pp-control-shadow: rgba(0, 0, 0, 0.35);
  --pp-housing-shadow: inset 0 1px 0 rgba(255, 232, 196, 0.05), inset 0 -1px 0 rgba(0, 0, 0, 0.4), 0 10px 34px rgba(0, 0, 0, 0.42), 0 2px 10px rgba(0, 0, 0, 0.28);
  --pp-paper-shadow: 0 18px 44px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 239, 214, 0.06);
  --pp-body-glow: rgba(255, 122, 69, 0.1);
  --pp-code-bg: rgba(255, 239, 214, 0.1);
  --pp-led: #58d68d;
  color-scheme: dark;
}

/* 字体：拉丁用等宽打字机字体，中文回落到系统黑体，与原站一致 */
:root {
  --pp-mono: "JetBrains Mono", "SF Mono", "Fira Code", ui-monospace, Consolas, "MiSans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", monospace;
  --pp-sans: "MiSans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --pp-round: "Gaegu", "Comic Sans MS", "Segoe Print", "PingFang SC", "Microsoft YaHei", cursive;
  --pp-image-radius: 0.75rem;
  --pp-max: 48rem; /* 打印纸宽度上限 768px */
}

/* =========================================================
   2. 基础重置
   ========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background-color: var(--pp-page);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  background-color: var(--pp-page);
  background-image:
    radial-gradient(120% 42% at 50% -8%, var(--pp-body-glow), transparent 66%),
    linear-gradient(180deg, var(--pp-body) 0%, var(--pp-page) 34%, var(--pp-page) 100%);
  background-attachment: fixed;
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
video,
iframe {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  background: none;
  border: 0;
}

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

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

/* 滚动条：细窄的纸边质感 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--pp-page);
}
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--pp-ink) 25%, transparent);
  border: 3px solid var(--pp-page);
  border-radius: 999px;
}

/* =========================================================
   3. 整体版面：机身 + 出纸槽 + 纸张
   ========================================================= */
.pp-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 0.75rem 3rem;
}

.pp-shell {
  position: relative;
  isolation: isolate;
  width: 100%;
  max-width: var(--pp-max);
}

/* --- 蜗牛：沿机身上沿散步 --- */
.pp-snail-lane {
  position: absolute;
  z-index: 45;
  top: -1.7rem;
  left: 4rem;
  right: 4rem;
  height: 1.875rem;
  pointer-events: none;
  --pp-snail-body: #b3c197;
  --pp-snail-shade: #97a87a;
  --pp-snail-shell: #e3aa64;
  --pp-snail-spiral: #b87d3c;
  --pp-snail-line: rgba(54, 46, 36, 0.5);
}

.pp-snail-walker {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3.125rem;
  height: 1.875rem;
  filter: drop-shadow(0 1px 0.5px rgba(0, 0, 0, 0.16));
  animation: pp-snail-walk 78s linear infinite alternate;
}

.pp-snail {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.pp-snail-foot,
.pp-snail-neck {
  fill: var(--pp-snail-body);
}

.pp-snail-shell {
  fill: var(--pp-snail-shell);
  stroke: var(--pp-snail-line);
  stroke-width: 1;
}

.pp-snail-spiral {
  fill: none;
  stroke: var(--pp-snail-spiral);
  stroke-width: 1.8;
  stroke-linecap: round;
}

.pp-snail-shine {
  fill: #fff;
  opacity: 0.28;
}

.pp-snail-stalk {
  stroke: var(--pp-snail-shade);
  stroke-width: 2.2;
  stroke-linecap: round;
  transform-box: fill-box;
  transform-origin: 50% 100%;
}

.pp-snail-stalk-back {
  animation: pp-snail-sway 3s ease-in-out -1.4s infinite;
}

.pp-snail-stalk-front {
  animation: pp-snail-sway 3s ease-in-out infinite;
}

.pp-snail-eye {
  fill: #fff;
  stroke: var(--pp-snail-line);
  stroke-width: 0.6;
}

.pp-snail-pupil {
  fill: #34302b;
  transform-box: fill-box;
  transform-origin: 50%;
  animation: pp-snail-blink 5.4s ease-in-out infinite;
}

@keyframes pp-snail-walk {
  from {
    transform: translateX(0) translateY(0);
  }
  to {
    transform: translateX(calc(100% + 2rem)) translateY(0);
  }
}

@keyframes pp-snail-sway {
  0%,
  100% {
    transform: rotate(-7deg);
  }
  50% {
    transform: rotate(8deg);
  }
}

@keyframes pp-snail-blink {
  0%,
  92%,
  100% {
    transform: scaleY(1);
  }
  95% {
    transform: scaleY(0.15);
  }
}

/* --- 打印机机身 --- */
.pp-housing {
  position: relative;
  z-index: 70;
  background-color: var(--pp-body);
  border: 1px solid var(--pp-border);
  border-bottom: 0;
  border-radius: 1.75rem 1.75rem 0.25rem 0.25rem;
  box-shadow: var(--pp-housing-shadow);
}

.pp-housing-top {
  position: relative;
  padding: 1.65rem 2rem 1.5rem;
}

/* 机身顶部：品牌行 + 控制行 */
.pp-brand {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 1rem 1.25rem;
}

.pp-brand-main {
  min-width: 0;
}

.pp-title-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 2rem;
}

.pp-mark {
  flex: 0 0 2rem;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background:
    radial-gradient(circle at 34% 32%, rgba(255, 255, 255, 0.92) 0 16%, transparent 17%),
    linear-gradient(135deg, var(--pp-ink), var(--pp-ink-light));
  box-shadow: 0 0 0 0.4rem rgba(0, 0, 0, 0.05), inset 0 0 0 1px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.12);
}

.pp-mark img {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  object-fit: cover;
}

.pp-title {
  font-family: var(--pp-round);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--pp-ink);
  letter-spacing: 0.01em;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pp-title:hover {
  color: var(--pp-accent-strong);
}

/* 副标题：贴纸气泡 */
.pp-subtitle {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: min(100%, 24rem);
  margin-left: 2.4rem;
  margin-top: 0.1rem;
  padding: 0.14rem 0.55rem 0.18rem;
  border: 1.5px solid var(--pp-ink);
  border-radius: 0.36rem;
  background-color: var(--pp-body);
  color: var(--pp-ink);
  font-family: var(--pp-round);
  font-size: 0.6rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transform: rotate(-0.6deg);
}

.pp-subtitle::before {
  content: "";
  position: absolute;
  top: -0.42rem;
  left: -1.15rem;
  width: 1.25rem;
  height: 1rem;
  background-color: var(--pp-body);
  border-left: 1.5px solid var(--pp-ink);
  border-bottom: 1.5px solid var(--pp-ink);
  border-bottom-left-radius: 1.1rem;
  clip-path: polygon(0 0, 100% 58%, 18% 100%);
  transform: rotate(-24deg);
}

.pp-desc {
  margin: 0.55rem 0 0;
  max-width: 34rem;
  color: var(--pp-ink-light);
  font-size: 0.72rem;
  line-height: 1.6;
}

/* 顶栏右侧：搜索 / 登录 / 电源灯 */
.pp-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pp-key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.4rem;
  height: 1.9rem;
  padding: 0 0.7rem;
  border: 1px solid var(--pp-control-border);
  border-radius: 0.375rem;
  background-color: var(--pp-button);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  box-shadow: inset 0 1px 0.5px var(--pp-control-highlight), inset 0 -3px 0 rgba(0, 0, 0, 0.08), inset 0 -4px 6px rgba(0, 0, 0, 0.04), 0 1px 1px var(--pp-control-shadow);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.12s ease;
}

.pp-key:hover {
  background-color: var(--pp-button-active);
  color: var(--pp-accent-strong);
}

.pp-key:active,
.pp-key.is-active {
  background-color: var(--pp-button-active);
  transform: translateY(1.5px);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2), inset 0 -1px 0 rgba(0, 0, 0, 0.05);
}

.pp-key-icon {
  min-width: 1.9rem;
  width: 1.9rem;
  padding: 0;
  border-radius: 999px;
}

.pp-key svg {
  width: 0.95rem;
  height: 0.95rem;
}

.pp-led {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 999px;
  background-color: var(--pp-led);
  box-shadow: 0 0 0 2px rgba(95, 191, 127, 0.12), 0 0 7px rgba(95, 191, 127, 0.55);
  animation: pp-led-pulse 4.5s ease-in-out infinite;
}

@keyframes pp-led-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

/* 导航：键帽 */
.pp-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 1.15rem 0 0;
  padding: 0;
  list-style: none;
}

.pp-nav li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-nav a,
.pp-nav .pp-nav-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.75rem;
  height: 2rem;
  padding: 0 0.85rem;
  border: 1px solid var(--pp-control-border);
  border-radius: 0.375rem;
  background-color: var(--pp-button);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  box-shadow: inset 0 1px 0.5px var(--pp-control-highlight), inset 0 -3px 0 rgba(0, 0, 0, 0.08), inset 0 -4px 6px rgba(0, 0, 0, 0.04), 0 1px 1px var(--pp-control-shadow);
  transition: transform 0.1s ease, background-color 0.12s ease, color 0.12s ease;
}

.pp-nav a:hover,
.pp-nav .pp-nav-item:hover {
  color: var(--pp-accent-strong);
  background-color: var(--pp-button-active);
}

.pp-nav a:active {
  transform: translateY(1.5px);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18);
}

.pp-nav a.is-current,
.pp-nav a[aria-current="page"] {
  color: var(--pp-accent-strong);
  border-color: color-mix(in srgb, var(--pp-accent) 42%, var(--pp-control-border));
  background-color: color-mix(in srgb, var(--pp-accent) 14%, var(--pp-button));
}

/* 三色旋钮 */
.pp-knobs {
  display: flex;
  align-items: flex-end;
  gap: 1.15rem;
}

.pp-knob {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.36rem;
  padding: 0;
}

.pp-knob-caption {
  font-family: var(--pp-mono);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--pp-ink-light);
  opacity: 0.78;
}

.pp-knob-disc {
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background-color: var(--pp-button);
  border: 1px solid var(--pp-control-border);
  box-shadow: inset 0 1px 0.5px var(--pp-control-highlight), inset 0 -2px 0 rgba(0, 0, 0, 0.06), inset 0 -3px 4px rgba(0, 0, 0, 0.03), 0 1px 2px var(--pp-control-shadow);
}

.pp-knob-needle {
  position: absolute;
  left: 50%;
  top: 0.32rem;
  z-index: 3;
  width: 2px;
  height: 0.72rem;
  margin-left: -1px;
  border-radius: 2px;
  background-color: var(--pp-ink-light);
  transform-origin: 50% 0.8rem;
  transition: transform 0.35s cubic-bezier(0.3, 0.9, 0.3, 1), background-color 0.2s;
}

.pp-knob-disc::after {
  content: "";
  position: absolute;
  inset: 0.68rem;
  border-radius: 999px;
  background-color: var(--pp-shell);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.12), 0 1px 0 var(--pp-control-highlight);
}

.pp-knob:hover .pp-knob-needle {
  background-color: var(--pp-accent);
}

.pp-knob.is-active .pp-knob-needle {
  background-color: var(--pp-accent);
}

.pp-knob.is-active .pp-knob-caption {
  color: var(--pp-accent-strong);
  opacity: 1;
}

.pp-knob.is-active .pp-knob-disc {
  border-color: color-mix(in srgb, var(--pp-accent) 46%, var(--pp-control-border));
  box-shadow: inset 0 1px 0.5px var(--pp-control-highlight), inset 0 -2px 0 rgba(0, 0, 0, 0.06), 0 0 0 2px color-mix(in srgb, var(--pp-accent) 16%, transparent), 0 1px 2px var(--pp-control-shadow);
}

/* 每套配色的指针角度 */
.pp-knob--light .pp-knob-needle {
  transform: rotate(-55deg);
}
.pp-knob--dark .pp-knob-needle {
  transform: rotate(0deg);
}
.pp-knob--brown .pp-knob-needle {
  transform: rotate(55deg);
}

/* 出纸槽 */
.pp-feed-slot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1.25rem;
  background-color: var(--pp-shell);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 8px 14px rgba(255, 255, 255, 0.1), inset 0 -7px 12px rgba(0, 0, 0, 0.1);
}

.pp-feed-slot::before,
.pp-feed-slot::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2rem;
  pointer-events: none;
}

.pp-feed-slot::before {
  left: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.05), transparent);
}

.pp-feed-slot::after {
  right: 0;
  background: linear-gradient(270deg, rgba(0, 0, 0, 0.05), transparent);
}

.pp-feed-slot span {
  display: none;
}

/* 机身下方投影 */
.pp-shell-shadow {
  position: relative;
  z-index: 40;
  height: 0;
  pointer-events: none;
}

.pp-shell-shadow::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 2.5rem;
  right: 2.5rem;
  height: 1.4rem;
  background: radial-gradient(130% 90% at 50% 0, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.12) 42%, rgba(0, 0, 0, 0.05) 70%, transparent);
  filter: blur(8px);
  opacity: 0.78;
}

/* --- 纸张 --- */
.pp-paper-wrap {
  position: relative;
  z-index: 80;
  margin: -0.96rem 2.5rem 0;
}

.pp-paper-top-occlusion {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 1.5rem;
  pointer-events: none;
  background: linear-gradient(var(--pp-occlusion), rgba(0, 0, 0, 0.06) 50%, transparent);
  mix-blend-mode: multiply;
}

.pp-paper {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 60vh;
  background-color: var(--pp-paper);
  background-image: radial-gradient(circle, var(--pp-speck) 0.6px, transparent 0.6px);
  background-size: 5px 5px;
  box-shadow: var(--pp-paper-shadow);
  animation: pp-paper-feed 0.7s cubic-bezier(0.22, 0.9, 0.28, 1) both;
}

.pp-paper::before {
  content: "";
  position: absolute;
  top: -0.25rem;
  left: 0;
  right: 0;
  height: 0.25rem;
  background-color: var(--pp-paper);
}

@keyframes pp-paper-feed {
  from {
    transform: translateY(-10px);
    opacity: 0.65;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* 纸张两侧的撕纸孔 */
.pp-perf {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1rem;
  z-index: 3;
  pointer-events: none;
  opacity: 0.2;
  background-image: radial-gradient(circle, transparent 0 0.18rem, var(--pp-perf) 0.19rem 0.23rem, transparent 0.24rem);
  background-size: 1rem 1.9rem;
  background-position: 50% 1rem;
}

.pp-perf--left {
  left: 0;
}

.pp-perf--right {
  right: 0;
}

/* 纸张底部锯齿 */
.pp-edge {
  position: relative;
  height: 3px;
  margin-top: auto;
}

.pp-edge::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: -1px;
  right: -1px;
  height: 4px;
  color: var(--pp-paper);
  background-color: transparent;
  background-image:
    linear-gradient(315deg, transparent 33.33%, currentColor 33.33% 66.67%, transparent 66.67%),
    linear-gradient(45deg, transparent 33.33%, currentColor 33.33% 66.67%, transparent 66.67%);
  background-size: 16px 8px;
  background-repeat: repeat;
  filter: drop-shadow(0 1px 0 var(--pp-border));
}

/* 纸面主体 */
.pp-content {
  position: relative;
  z-index: 2;
  flex: 1;
  padding: 1.75rem 2rem 2rem;
  min-width: 0;
}

/* =========================================================
   4. 首页：导语 + 筛选
   ========================================================= */
.pp-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0 0 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 2px;
  background-color: var(--pp-tint);
  color: var(--pp-ink-light);
  font-family: var(--pp-mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  line-height: 1.4;
  text-transform: uppercase;
}

.pp-home-head {
  position: relative;
  padding-bottom: 1.4rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px dotted var(--pp-border-strong);
}

.pp-announce {
  max-width: 100%;
  margin: 0;
  color: var(--pp-ink-light);
  font-family: var(--pp-mono);
  font-size: 0.82rem;
  line-height: 1.75;
}

.pp-announce p {
  margin: 0;
}

.pp-announce p + p {
  margin-top: 0.35rem;
}

/* 导语里 strong 的荧光笔效果 */
.pp-announce strong,
.pp-announce b {
  color: var(--pp-ink);
  font-weight: 700;
  background-image: linear-gradient(90deg, var(--pp-hl-a), var(--pp-hl-b));
  border-radius: 0.8em 0.3em;
  margin: 0 -0.4em;
  padding: 0 0.4em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.pp-announce em,
.pp-announce i {
  font-style: italic;
  background: none;
}

/* 筛选条 */
.pp-filter {
  margin: -0.75rem 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--pp-border);
}

.pp-filter-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 1.78rem;
}

.pp-filter-title,
.pp-row-label {
  color: var(--pp-ink-light);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1;
}

.pp-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: auto;
  padding: 0.25rem 0.4rem;
  border-radius: 2px;
  color: var(--pp-ink-light);
  font-size: 0.625rem;
  line-height: 1;
  transition: color 0.15s, background-color 0.15s;
}

.pp-filter-toggle:hover {
  color: var(--pp-accent-strong);
  background-color: var(--pp-chip-active);
}

.pp-filter-body {
  display: flex;
  flex-direction: column;
  gap: 0.62rem;
  padding-top: 0.5rem;
}

.pp-filter-body.is-collapsed {
  display: none;
}

.pp-filter-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: start;
  gap: 0.45rem;
}

.pp-row-label {
  padding-top: 0.45rem;
}

.pp-row-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.pp-chip {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.18rem;
  height: 1.58rem;
  padding: 0 0.72rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--pp-mono);
  font-size: 0.56rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  transition: background-color 0.18s, color 0.18s, border-color 0.18s;
}

.pp-chip--idle {
  color: var(--pp-ink-light);
  background-color: color-mix(in srgb, var(--pp-button) 72%, transparent);
  border-color: var(--pp-border);
}

.pp-chip--idle:hover {
  color: var(--pp-ink);
  background-color: color-mix(in srgb, var(--pp-button-active) 78%, transparent);
}

.pp-chip.is-active {
  color: var(--pp-chip-active-ink);
  background-color: var(--pp-chip-active);
  border-color: color-mix(in srgb, var(--pp-accent) 30%, var(--pp-border));
}

.pp-chip-count {
  font-size: 0.5rem;
  opacity: 0.72;
}

/* =========================================================
   5. 卡片流
   ========================================================= */
.pp-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
  align-items: start;
}

.pp-card-item {
  min-width: 0;
  transition: opacity 0.2s ease;
}

.pp-card-item[hidden] {
  display: none;
}

/* 卡片本体：纸片 + 顶部锯齿 */
.pp-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--pp-paper);
  background-image: radial-gradient(circle, var(--pp-speck) 0.6px, transparent 0.6px);
  background-size: 5px 5px;
  border: 1px solid var(--pp-border);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 1.15rem 1.25rem 0.6rem;
}

.pp-card::before {
  content: "";
  position: absolute;
  top: -8px;
  left: -1px;
  right: -1px;
  height: 8px;
  pointer-events: none;
  color: var(--pp-paper);
  background-color: transparent;
  background-image:
    linear-gradient(135deg, transparent 33.33%, currentColor 33.33% 66.67%, transparent 66.67%),
    linear-gradient(225deg, transparent 33.33%, currentColor 33.33% 66.67%, transparent 66.67%);
  background-size: 16px 8px;
  background-repeat: repeat;
  filter: drop-shadow(0 -1px 0 var(--pp-border));
}

.pp-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.32rem;
  margin-bottom: 0.5rem;
  min-width: 0;
  font-size: 0.6rem;
  line-height: 1;
  color: var(--pp-ink-light);
}

.pp-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 1.25rem;
  padding: 0 0.45rem;
  border-radius: 2px;
  background-color: var(--pp-tint);
  color: var(--pp-ink-light);
  font-family: var(--pp-mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  line-height: 1;
}

.pp-label--type {
  letter-spacing: 0.18em;
}

.pp-meta-date {
  font-family: var(--pp-mono);
  font-size: 0.64rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
  color: var(--pp-ink-light);
}

.pp-meta-dot {
  color: var(--pp-ink-light);
  opacity: 0.45;
}

.pp-meta-loc {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  min-width: 0;
  max-width: 10rem;
  color: var(--pp-ink-light);
  font-size: 0.62rem;
  line-height: 1.2;
  overflow: hidden;
}

.pp-meta-loc svg {
  width: 0.6rem;
  height: 0.6rem;
  flex: 0 0 auto;
  opacity: 0.6;
}

.pp-meta-loc span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 卡片标题（长文体） */
.pp-card-title {
  margin: 0.15rem 0 0.45rem;
  font-family: var(--pp-mono);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--pp-ink);
}

.pp-card-title a:hover {
  color: var(--pp-accent-strong);
}

/* 卡片正文：限高 + 底部渐隐 */
.pp-card-text {
  position: relative;
  overflow: hidden;
  max-height: 4.95rem;
  color: var(--pp-ink-soft);
  font-size: 0.94rem;
  line-height: 1.75;
}

.pp-card-text.is-clipped::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1.9rem;
  pointer-events: none;
  background: linear-gradient(transparent, var(--pp-paper));
}

.pp-card-text p {
  margin: 0 0 0.6em;
}

.pp-card-text p:first-child {
  margin-top: 0;
}

.pp-card-text p:last-child {
  margin-bottom: 0;
}

.pp-card-text img {
  border-radius: var(--pp-image-radius);
  margin: 0.4rem 0;
}

/* 卡片底部动作 */
.pp-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px dotted var(--pp-border);
}

.pp-card-lock {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.2rem 0 0.1rem;
  padding: 0.6rem 0.75rem;
  border: 1px dashed var(--pp-border-strong);
  border-radius: 2px;
  background-color: var(--pp-muted-bg);
  color: var(--pp-ink-light);
  font-size: 0.78rem;
}

.pp-card-lock svg {
  flex: none;
  width: 0.95rem;
  height: 0.95rem;
  color: var(--pp-accent-strong);
}

.pp-card-lock a {
  margin-left: auto;
  color: var(--pp-accent-strong);
  font-size: 0.72rem;
  white-space: nowrap;
}

.pp-btn-mini {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  height: 1.5rem;
  padding: 0 0.55rem;
  border: 1px solid var(--pp-border);
  border-radius: 3px;
  background-color: var(--pp-muted-bg);
  color: var(--pp-ink-light);
  font-family: var(--pp-mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  line-height: 1;
  transition: color 0.18s, background-color 0.18s, border-color 0.18s;
}

.pp-btn-mini:hover {
  color: var(--pp-accent-strong);
  background-color: var(--pp-chip-active);
  border-color: color-mix(in srgb, var(--pp-accent) 30%, var(--pp-border));
}

.pp-btn-mini svg {
  width: 0.86rem;
  height: 0.86rem;
}

.pp-btn-mini .pp-liked svg,
.pp-btn-mini.is-liked svg {
  color: var(--pp-accent);
}

.pp-btn-mini.is-liked {
  color: var(--pp-accent-strong);
  border-color: color-mix(in srgb, var(--pp-accent) 34%, var(--pp-border));
  background-color: var(--pp-chip-active);
}

.pp-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 1.5rem;
  padding: 0 0.65rem;
  border: 1px solid color-mix(in srgb, var(--pp-accent) 34%, var(--pp-border));
  border-radius: 4px;
  background-color: color-mix(in srgb, var(--pp-accent) 86%, #000);
  color: #fffef9;
  font-family: var(--pp-mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28), inset 0 -2px 0 rgba(0, 0, 0, 0.14), 0 1px 2px rgba(0, 0, 0, 0.08);
  transition: background-color 0.18s, transform 0.1s;
}

.pp-more:hover {
  background-color: color-mix(in srgb, var(--pp-accent) 68%, #000);
  color: #fffef9;
}

.pp-more:active {
  transform: translateY(1px);
}

/* 分页 */
.pp-pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px dotted var(--pp-border-strong);
}

.pp-pager .pp-key {
  min-width: 5rem;
  height: 2.1rem;
}

.pp-pager-info {
  color: var(--pp-ink-light);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

/* 空状态 */
.pp-empty {
  padding: 3rem 0;
  text-align: center;
  color: var(--pp-ink-light);
}

.pp-empty p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

/* =========================================================
   6. 单篇 / 页面
   ========================================================= */
.pp-article-head {
  margin-bottom: 1.6rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px dotted var(--pp-border-strong);
}

.pp-article-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.85rem;
}

.pp-title-main {
  margin: 0 0 0.7rem;
  font-family: var(--pp-mono);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--pp-ink);
}

.pp-title-main strong {
  background: linear-gradient(90deg, var(--pp-hl-a), var(--pp-hl-b));
  border-radius: 0.8em 0.3em;
  padding: 0 0.2em;
  margin: 0 -0.2em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.pp-article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  color: var(--pp-ink-light);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.pp-article-meta .pp-meta-loc {
  max-width: 16rem;
}

/* 正文排版 */
.pp-article {
  color: var(--pp-ink-soft);
  font-size: 0.96rem;
  line-height: 1.92;
  overflow-wrap: break-word;
  word-break: break-word;
}

.pp-article > * + * {
  margin-top: 1.1em;
}

.pp-article p {
  margin: 0 0 1.1em;
}

.pp-article h1,
.pp-article h2,
.pp-article h3,
.pp-article h4,
.pp-article h5,
.pp-article h6 {
  margin: 1.8em 0 0.6em;
  font-family: var(--pp-mono);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--pp-ink);
  scroll-margin-top: 2rem;
}

.pp-article h1 {
  font-size: 1.45rem;
}
.pp-article h2 {
  font-size: 1.25rem;
}
.pp-article h3 {
  font-size: 1.1rem;
}
.pp-article h4 {
  font-size: 1rem;
}

.pp-article h2::before,
.pp-article h3::before {
  content: "";
  display: inline-block;
  width: 2px;
  height: 0.85em;
  margin-right: 0.5em;
  background-color: var(--pp-accent);
  vertical-align: -0.06em;
  border-radius: 1px;
}

.pp-article a {
  color: var(--pp-accent-strong);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--pp-accent) 45%, transparent);
  text-underline-offset: 3px;
  transition: color 0.15s, text-decoration-color 0.15s;
}

.pp-article a:hover {
  color: var(--pp-accent);
  text-decoration-color: var(--pp-accent);
}

.pp-article strong,
.pp-article b {
  color: var(--pp-ink);
  font-weight: 700;
  background-image: linear-gradient(90deg, var(--pp-hl-a), var(--pp-hl-b));
  border-radius: 0.8em 0.3em;
  margin: 0 -0.4em;
  padding: 0 0.4em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.pp-article em,
.pp-article i {
  font-style: italic;
  color: inherit;
}

.pp-article blockquote {
  margin: 1.4em 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 3px solid var(--pp-accent);
  color: var(--pp-ink-light);
  background: linear-gradient(90deg, var(--pp-tint), transparent 85%);
  font-size: 0.92rem;
}

.pp-article blockquote p {
  margin: 0.5em 0;
}

.pp-article blockquote p:first-child {
  margin-top: 0;
}

.pp-article blockquote p:last-child {
  margin-bottom: 0;
}

.pp-article ul,
.pp-article ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

.pp-article ul {
  list-style: disc;
}

.pp-article ol {
  list-style: decimal;
}

.pp-article li {
  margin: 0.35em 0;
}

.pp-article li::marker {
  color: var(--pp-accent);
}

.pp-article hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px dashed var(--pp-border-strong);
}

.pp-article code {
  padding: 0.14em 0.36em;
  border-radius: 3px;
  background-color: var(--pp-code-bg);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.86em;
}

.pp-article pre {
  margin: 1.3em 0;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--pp-border);
  border-radius: 4px;
  background-color: var(--pp-tape);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.84rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.pp-article pre code {
  padding: 0;
  background: none;
}

.pp-article img,
.pp-article figure img {
  border-radius: var(--pp-image-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  margin: 1.3em 0;
}

.pp-article figure {
  margin: 1.3em 0;
}

.pp-article figcaption {
  margin-top: 0.5rem;
  color: var(--pp-ink-light);
  font-size: 0.72rem;
  text-align: center;
}

.pp-article table {
  width: 100%;
  margin: 1.3em 0;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.pp-article th,
.pp-article td {
  padding: 0.55em 0.7em;
  border: 1px solid var(--pp-border-strong);
}

.pp-article th {
  background-color: var(--pp-tint);
  font-weight: 700;
}

.pp-article iframe,
.pp-article .wp-block-embed {
  max-width: 100%;
}

.pp-article .wp-block-quote {
  margin: 1.4em 0;
}

/* 文末：标签与动作 */
.pp-article-foot {
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px dotted var(--pp-border-strong);
}

.pp-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1rem;
  font-size: 0.62rem;
}

.pp-tags-label {
  color: var(--pp-ink-light);
  letter-spacing: 0.18em;
}

.pp-tag {
  display: inline-flex;
  align-items: center;
  height: 1.4rem;
  padding: 0 0.5rem;
  border: 1px solid var(--pp-border);
  border-radius: 2px;
  background-color: var(--pp-tint);
  color: var(--pp-ink-light);
  font-size: 0.6rem;
  transition: color 0.15s, background-color 0.15s;
}

.pp-tag:hover {
  color: var(--pp-accent-strong);
  background-color: var(--pp-chip-active);
}

.pp-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.pp-actions .pp-btn-mini {
  height: 1.75rem;
  padding: 0 0.8rem;
  font-size: 0.66rem;
}

/* 上下篇 */
.pp-postnav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
}

.pp-postnav a {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--pp-border);
  border-radius: 2px;
  background-color: var(--pp-tint);
  transition: background-color 0.18s, border-color 0.18s;
}

.pp-postnav a:hover {
  border-color: color-mix(in srgb, var(--pp-accent) 32%, var(--pp-border));
  background-color: var(--pp-chip-active);
}

.pp-postnav-label {
  color: var(--pp-ink-light);
  font-size: 0.56rem;
  letter-spacing: 0.2em;
}

.pp-postnav-title {
  color: var(--pp-ink);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pp-postnav--next {
  text-align: right;
}

/* 页面：无标题信息时更简洁 */
.pp-page-head {
  margin-bottom: 1.4rem;
}

/* =========================================================
   7. 评论
   ========================================================= */
.pp-comments {
  margin-top: 2.4rem;
}

.pp-comments-title,
.pp-comment-form-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.2rem;
  font-family: var(--pp-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--pp-ink);
  text-transform: uppercase;
}

.pp-comments-title::after,
.pp-comment-form-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--pp-border-strong) 0 4px, transparent 4px 8px);
}

.pp-comment-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pp-comments .comment-body {
  margin-bottom: 1.1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--pp-border);
  border-radius: 2px;
  background-color: var(--pp-tint);
}

.pp-comments .comment-author {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.5rem;
  color: var(--pp-ink);
  font-size: 0.72rem;
  font-weight: 600;
}

.pp-comments .avatar {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  border: 1px solid var(--pp-border-strong);
  background-color: var(--pp-tape);
}

.pp-comments .comment-meta {
  color: var(--pp-ink-light);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
}

.pp-comments .comment-content {
  color: var(--pp-ink-soft);
  font-size: 0.9rem;
  line-height: 1.8;
}

.pp-comments .comment-content p {
  margin: 0.4em 0;
}

.pp-comments .reply {
  margin-top: 0.5rem;
  font-size: 0.6rem;
}

.pp-comments .comment-reply-link {
  color: var(--pp-ink-light);
  letter-spacing: 0.1em;
  border-bottom: 1px dashed var(--pp-border-strong);
}

.pp-comments .comment-reply-link:hover {
  color: var(--pp-accent-strong);
}

.pp-comments .children {
  margin: 0.9rem 0 0 1.2rem;
  padding: 0;
  list-style: none;
}

.pp-comments .comment-awaiting-moderation {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--pp-accent-strong);
  font-size: 0.62rem;
}

/* 评论表单 */
.pp-comment-form {
  margin-top: 2rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--pp-border);
  border-radius: 2px;
  background-color: var(--pp-tape);
}

.pp-comment-form label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--pp-ink-light);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

.pp-field {
  width: 100%;
  margin-bottom: 0.9rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--pp-border-strong);
  border-radius: 2px;
  background-color: var(--pp-paper);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  transition: border-color 0.18s, box-shadow 0.18s;
}

.pp-field:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--pp-accent) 55%, var(--pp-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--pp-accent) 14%, transparent);
}

.pp-field--area {
  min-height: 8rem;
  resize: vertical;
}

.pp-comment-form .pp-key {
  min-width: 5rem;
  height: 2.1rem;
}

.pp-pagination-links a {
  margin-right: 0.6rem;
  color: var(--pp-accent-strong);
}

/* =========================================================
   8. 搜索
   ========================================================= */
.pp-search-panel {
  display: none;
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--pp-border);
}

.pp-search-panel.is-open {
  display: block;
}

.pp-search-form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pp-search-form .screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.pp-search-input {
  flex: 1;
  min-width: 0;
  height: 2.1rem;
  padding: 0 0.75rem;
  border: 1px solid var(--pp-border-strong);
  border-radius: 2px;
  background-color: var(--pp-paper);
  color: var(--pp-ink);
  font-family: var(--pp-mono);
  font-size: 0.8rem;
}

.pp-search-input::placeholder {
  color: var(--pp-ink-light);
  opacity: 0.7;
}

.pp-search-input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--pp-accent) 55%, var(--pp-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--pp-accent) 14%, transparent);
}

/* =========================================================
   9. 站内页脚（印在纸末）
   ========================================================= */
.pp-foot {
  margin: 0;
  padding: 1.4rem 2rem 1.6rem;
  border-top: 1px dashed var(--pp-border-strong);
  color: var(--pp-ink-light);
}

.pp-foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.pp-foot-brand {
  font-family: var(--pp-round);
  font-size: 1rem;
  font-weight: 700;
  color: var(--pp-ink);
  display: block;
  line-height: 1.3;
}

.pp-foot-meta {
  margin-top: 0.3rem;
  font-family: var(--pp-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  line-height: 1.7;
}

.pp-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-family: var(--pp-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
}

.pp-foot-links a:hover {
  color: var(--pp-accent-strong);
}

/* 打印机铭牌 */
.pp-plate {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.5rem;
  border: 1px solid var(--pp-border-strong);
  border-radius: 2px;
  background-color: var(--pp-tint);
  font-family: var(--pp-mono);
  font-size: 0.52rem;
  letter-spacing: 0.18em;
  color: var(--pp-ink-light);
  text-transform: uppercase;
}

.pp-plate .pp-led {
  width: 0.35rem;
  height: 0.35rem;
}

/* 回到顶部 */
.pp-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 200;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border: 1px solid color-mix(in srgb, var(--pp-accent) 34%, var(--pp-border));
  border-radius: 999px;
  background-color: var(--pp-accent);
  color: var(--pp-paper);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3), inset 0 -2px 0 rgba(0, 0, 0, 0.16), 0 4px 14px rgba(0, 0, 0, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.pp-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.pp-top svg {
  width: 1rem;
  height: 1rem;
}

/* =========================================================
   10. 404 与通用
   ========================================================= */
.pp-404 {
  padding: 2rem 0 1rem;
  text-align: center;
}

.pp-404-mark {
  font-family: var(--pp-round);
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--pp-accent);
  line-height: 1;
}

.pp-404 h1 {
  margin: 1rem 0 0.6rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pp-ink);
}

.pp-404 p {
  margin: 0 auto 1.6rem;
  max-width: 24rem;
  color: var(--pp-ink-light);
  font-size: 0.85rem;
  line-height: 1.8;
}

.pp-404 .pp-search-form {
  max-width: 22rem;
  margin: 0 auto;
}

/* 通用小工具 */
.pp-reset-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pp-foot-links .pp-reset-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
}

.pp-archive-head {
  margin-bottom: 1.6rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px dotted var(--pp-border-strong);
}

.pp-archive-head .pp-kicker {
  margin-bottom: 0.55rem;
}

.pp-archive-title {
  margin: 0 0 0.4rem;
  font-family: var(--pp-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pp-ink);
}

.pp-archive-desc {
  margin: 0;
  color: var(--pp-ink-light);
  font-size: 0.8rem;
  line-height: 1.7;
}

/* =========================================================
   11. 响应式
   ========================================================= */
@media (max-width: 860px) {
  .pp-paper-wrap {
    margin-left: 1.25rem;
    margin-right: 1.25rem;
  }

  .pp-shell-shadow::before {
    left: 1.25rem;
    right: 1.25rem;
  }

  .pp-housing-top {
    padding: 1.35rem 1.25rem 1.25rem;
  }

  .pp-brand {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 0.8rem;
  }

  .pp-toolbar {
    position: absolute;
    top: 1.2rem;
    right: 1.25rem;
  }

  .pp-title-row {
    max-width: calc(100% - 6rem);
  }

  .pp-mark {
    display: none;
  }

  .pp-subtitle {
    margin-left: 1.2rem;
    font-size: 0.56rem;
    max-width: calc(100vw - 4rem);
  }

  .pp-nav {
    padding-right: 0.2rem;
  }

  .pp-knobs {
    justify-content: flex-end;
  }

  .pp-content {
    padding: 1.35rem 1.1rem 1.5rem;
  }

  .pp-perf {
    width: 0.7rem;
    background-size: 0.7rem 1.9rem;
  }

  .pp-cards {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .pp-foot {
    padding: 1.1rem 1.1rem 1.3rem;
  }

  .pp-postnav {
    grid-template-columns: 1fr;
  }

  .pp-snail-lane {
    left: 2rem;
    right: 2rem;
  }
}

@media (max-width: 520px) {
  .pp-app {
    padding: 1.75rem 0.5rem 2rem;
  }

  .pp-paper-wrap {
    margin-left: 0.6rem;
    margin-right: 0.6rem;
  }

  .pp-shell-shadow::before {
    left: 0.6rem;
    right: 0.6rem;
  }

  .pp-housing-top {
    padding: 1.2rem 1rem 1.1rem;
  }

  .pp-knobs {
    gap: 0.8rem;
  }

  .pp-knob-disc {
    width: 2rem;
    height: 2rem;
  }

  .pp-content {
    padding: 1.15rem 0.85rem 1.35rem;
  }

  .pp-card {
    padding: 1rem 0.95rem 0.55rem;
  }
}

/* =========================================================
   12. 动效与打印
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   12.1 补充构件
   ========================================================= */
.pp-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pp-form-row {
  margin: 0 0 0.2rem;
}

.pp-article-figure {
  margin: 0 0 1.6rem;
}

.pp-article-figure img {
  width: 100%;
  border-radius: var(--pp-image-radius);
  box-shadow: 0 3px 14px rgba(0, 0, 0, 0.1);
}

.pp-archive-head .pp-search-form,
.pp-search-panel .pp-search-form {
  margin-top: 0.9rem;
}

.pp-archive-head .pp-search-form {
  max-width: 26rem;
}

@media (max-width: 860px) {
  .pp-side {
    flex-direction: row;
    align-items: flex-end;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 0.2rem;
  }

  .pp-toolbar {
    gap: 0.4rem;
  }

  .pp-knobs {
    gap: 0.85rem;
  }

  .pp-filter {
    margin-top: -0.4rem;
  }
}

@media print {
  .pp-housing,
  .pp-snail-lane,
  .pp-toolbar,
  .pp-knobs,
  .pp-nav,
  .pp-top,
  .pp-shell-shadow,
  .pp-paper-top-occlusion,
  .pp-perf,
  .pp-card-actions,
  .pp-postnav {
    display: none !important;
  }

  body,
  html {
    background: #fff !important;
  }

  .pp-paper {
    box-shadow: none;
    background: #fff;
  }

  .pp-card {
    break-inside: avoid;
    box-shadow: none;
  }
}