:root {
  --bg: #f4ebe3;
  --paper: #fffdfb;
  --ink: #292524;
  --muted: #78716c;
  --line: #e7d5c7;
  --accent: #c43e1c;
  --amber: #d97706;
  --bezel: #3f3a36;
  --header-h: 4.2rem;
  --max: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Segoe UI", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 380px at 100% 0%, rgba(196, 62, 28, 0.10), transparent 55%),
    var(--bg);
  line-height: 1.65;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; }

.pp-skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}
.pp-skip:focus { left: 0.75rem; top: 0.75rem; }

.pp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--accent);
}

.pp-header-inner {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.pp-brand {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: #ffffff !important;
}
.pp-brand span {
  font-weight: 780;
  letter-spacing: 0.08em;
  font-size: clamp(1.05rem, 2.2vw, 1.28rem);
  white-space: nowrap;
}

.pp-nav-toggle {
  margin-left: auto;
  height: 2.35rem;
  padding: 0 0.85rem 0 0.7rem;
  border: 1px solid #ffffff;
  border-radius: 8px;
  background: transparent;
  color: #ffffff;
  display: none;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  z-index: 60;
}
.pp-nav-toggle b {
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.12em;
}
.pp-nav-toggle i {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}
.pp-nav-toggle i span {
  width: 14px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
}

.pp-nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--max), calc(100% - 2rem));
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  z-index: 51;
  pointer-events: none;
}
.pp-nav > ul {
  pointer-events: auto;
  display: flex;
  gap: 0.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.pp-nav-item { position: relative; }
.pp-nav-parent {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: default;
  color: #ffffff;
}
.pp-nav-item:hover .pp-nav-parent,
.pp-nav-item:focus-within .pp-nav-parent {
  background: #9a2f14;
  color: #ffffff;
}
.pp-sub {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 10.5rem;
  margin: 0;
  padding: 0.4rem;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 12px 24px rgba(196, 62, 28, 0.16);
}
.pp-nav-item:hover .pp-sub,
.pp-nav-item:focus-within .pp-sub { display: block; }
.pp-sub a {
  display: block;
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  color: var(--ink);
}
.pp-sub a:hover {
  background: #fff1e8;
  color: var(--accent);
}

.pp-wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1.25rem auto 3rem;
}
.pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17.8rem;
  gap: 1.4rem;
  align-items: start;
}

.pp-banner {
  margin: 0 0 1rem;
  overflow: hidden;
  background: var(--bezel);
  border-radius: 12px;
  padding: 10px 10px 14px;
}
.pp-banner img {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: 4px;
}

.pp-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.05rem;
}

.pp-card {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--paper);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 10px 22px rgba(63, 58, 54, 0.08);
  transition: transform 0.3s var(--ease);
}
.pp-card:hover { transform: translateY(-4px); }
.pp-card-cover {
  display: block;
  background: var(--bezel);
  padding: 8px 8px 0;
}
.pp-card-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  min-height: 0;
  object-fit: cover;
  border-radius: 4px 4px 0 0;
}
.pp-card > div { padding: 0.85rem 0.95rem 0.95rem; }
.pp-card h2 {
  margin: 0 0 0.3rem;
  font-size: clamp(0.98rem, 1.5vw, 1.12rem);
  line-height: 1.4;
  font-weight: 750;
}
.pp-card h2 a { color: var(--ink); }
.pp-card h2 a:hover { color: var(--accent); }
.pp-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pp-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.65rem;
  color: var(--amber);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}
.pp-meta-l {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.pp-avatar {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 4px;
  object-fit: cover;
}

.pp-crumb {
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.86rem;
}
.pp-crumb a { color: var(--accent); }

.pp-pager {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin: 1.15rem 0 0.2rem;
}
.pp-pager a {
  min-width: 7rem;
  text-align: center;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff !important;
  font-weight: 700;
}
.pp-pager a:hover { background: #9a2f14; }

.pp-aside {
  position: sticky;
  top: calc(var(--header-h) + 0.8rem);
  display: grid;
  gap: 0.9rem;
}
.pp-side {
  background: var(--paper);
  border-radius: 12px;
  padding: 0.95rem 0.95rem 0.6rem;
  border: 1px solid var(--line);
  box-shadow: inset 0 6px 0 var(--accent);
  padding-top: 1.15rem;
}
.pp-side h3 {
  margin: 0 0 0.7rem;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.pp-side ul {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: n;
}
.pp-side li { border-top: 1px solid var(--line); }
.pp-side li a {
  display: flex;
  gap: 0.5rem;
  padding: 0.58rem 0;
  color: var(--ink);
  font-size: 0.88rem;
}
.pp-side .pp-widlist a::before {
  counter-increment: n;
  content: counter(n);
  color: var(--accent);
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  flex: 0 0 1.2rem;
}
.pp-topthub a {
  flex-direction: column;
  gap: 0.4rem;
  padding-top: 0;
}
.pp-topthub img {
  width: 100%;
  height: 7.6rem;
  object-fit: cover;
  border-radius: 8px;
}
.pp-topthub span { font-weight: 650; }

.pp-article-card {
  background: var(--paper);
  border-radius: 14px;
  padding: clamp(1.15rem, 3vw, 2.1rem);
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(63, 58, 54, 0.08);
}
.pp-article-card h1 {
  margin: 0 0 0.7rem;
  text-align: left;
  font-size: clamp(1.32rem, 3vw, 1.9rem);
  line-height: 1.35;
  color: var(--accent);
}
.pp-bloginfo {
  display: flex;
  justify-content: flex-start;
  color: var(--amber);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
}
.pp-bloginfo ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.pp-prose {
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.9;
  color: #44403c;
  max-width: 46rem;
}
.pp-prose img,
.pp-prose video,
.pp-prose iframe,
.pp-prose table { max-width: 100%; }
.pp-prose table { display: block; overflow-x: auto; }
.pp-copyright {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
}
.pp-pagerow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1.15rem;
}
.pp-pagerow a {
  display: block;
  padding: 0.8rem 0.9rem;
  border-radius: 10px;
  background: #fff1e8;
  font-size: 0.86rem;
  line-height: 1.45;
}
.pp-pagerow .next { text-align: right; }

.pp-footer {
  background: var(--bezel);
  padding: 1.5rem 1rem 2.3rem;
  text-align: center;
  color: #d6d3d1;
  font-size: 0.86rem;
}
.pp-footer p { margin: 0 0 0.7rem; }
.pp-footer a { color: #fdba74; margin: 0 0.35rem; }

#go-to-top {
  position: fixed;
  right: 1rem;
  bottom: 1.2rem;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
  display: grid;
  place-items: center;
}
#go-to-top::after { content: "↑"; font-size: 1.05rem; }

.pp-mask { display: none; }

@media (min-width: 820px) {
  .pp-list { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .pp-layout { grid-template-columns: 1fr; }
  .pp-aside { position: static; }
}

@media (max-width: 768px) {
  .pp-nav-toggle { display: inline-flex; }
  .pp-nav {
    left: auto;
    right: 0;
    top: 0;
    width: min(84vw, 20rem);
    height: 100dvh;
    margin: 0;
    display: block;
    background: var(--paper);
    box-shadow: -8px 0 28px rgba(41, 37, 36, 0.16);
    padding: 5rem 1.1rem 1.5rem;
    transform: translateX(110%);
    transition: transform 0.35s var(--ease), visibility 0.35s;
    overflow-y: auto;
    visibility: hidden;
    z-index: 55;
    pointer-events: auto;
  }
  body.nav-open .pp-nav {
    transform: translateX(0);
    visibility: visible;
  }
  .pp-nav > ul {
    flex-direction: column;
    gap: 0.2rem;
  }
  .pp-sub {
    display: block;
    position: static;
    box-shadow: none;
    border: 0;
    padding: 0 0 0.4rem 0.8rem;
    background: transparent;
  }
  .pp-nav-parent {
    color: var(--ink);
  }
  .pp-nav-item:hover .pp-nav-parent {
    background: #fff1e8;
    color: var(--accent);
  }
  .pp-mask {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(41, 37, 36, 0.48);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
    z-index: 40;
  }
  body.nav-open .pp-mask {
    opacity: 1;
    pointer-events: auto;
  }
  body.nav-open { overflow: hidden; }
  .pp-list { grid-template-columns: 1fr; }
  .pp-pagerow { grid-template-columns: 1fr; }
  .pp-pagerow .next { text-align: left; }
}

@media (min-width: 1440px) {
  :root { --max: 1280px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}