@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;500;600;700&family=Barlow:wght@300;400;500;600;700&display=swap');

/* ===== 基础变量 ===== */
:root {
  --c-black: #1a0a0a;
  --c-red: #c0392b;
  --c-cream: #f5f0eb;
  --c-red-dark: #8b1a10;
  --c-red-light: #e74c3c;
  --c-cream-dark: #e0d8cf;
  --c-text: #f5f0eb;
  --c-text-dim: rgba(245,240,235,0.65);
  --c-surface: #2a1010;
  --c-surface2: #3a1a1a;
  --c-border: rgba(192,57,43,0.3);
  --r-card: 28px;
  --font-cond: 'Barlow Condensed', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'Barlow', Arial, sans-serif;
  --header-h: 72px;
  --subnav-h: 44px;
  --trans-base: 0.3s ease;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--c-black);
  color: var(--c-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-red-light); text-decoration: none; }
a:hover { color: var(--c-cream); }
ul { list-style: none; }
button, input, textarea { font-family: inherit; }

/* ===== 侧边抽屉导航 (aside > nav > ul > li > a) ===== */
.site-aside {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: var(--c-black);
  border-right: 2px solid var(--c-red);
  z-index: 200;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
  padding-top: var(--header-h);
}
.site-aside.is-open {
  transform: translateX(0);
}
.site-aside nav {
  padding: 24px 0;
}
.site-aside nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.site-aside nav ul li a {
  display: block;
  padding: 14px 28px;
  font-family: var(--font-cond);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-cream);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--c-border);
  transition: background var(--trans-base), color var(--trans-base), padding-left var(--trans-base);
}
.site-aside nav ul li a:hover {
  background: var(--c-surface);
  color: var(--c-red-light);
  padding-left: 40px;
}

/* 遮罩 */
.site-aside-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26,10,10,0.75);
  z-index: 190;
}
.site-aside-overlay.is-visible {
  display: block;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: rgba(26,10,10,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--c-red);
  z-index: 100;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-right { justify-content: flex-end; }
.hnav-link {
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 8px 10px;
  border-radius: 4px;
  transition: color var(--trans-base), background var(--trans-base);
  white-space: nowrap;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.hnav-link:hover {
  color: var(--c-cream);
  background: var(--c-surface);
}
.header-brand {
  text-align: center;
}
.header-brand a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-logo { height: 40px; width: auto; }
.brand-text {
  font-family: var(--font-cond);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-cream);
  letter-spacing: 0.05em;
  line-height: 1;
}
.header-contact {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 16px;
  background: var(--c-red);
  color: var(--c-cream);
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 6px;
  text-transform: uppercase;
  transition: background var(--trans-base);
}
.header-contact:hover {
  background: var(--c-red-light);
  color: var(--c-cream);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-cream);
  border-radius: 2px;
  transition: transform var(--trans-base), opacity var(--trans-base);
}

/* ===== 粘性二级导航 ===== */
.sticky-subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  height: var(--subnav-h);
}
.subnav-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 500;
  color: var(--c-text-dim);
}
.subnav-inner a {
  color: var(--c-text-dim);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 4px;
}
.subnav-inner a:hover { color: var(--c-cream); }
.subnav-inner a::after { content: '›'; margin-left: 8px; }
.subnav-current {
  color: var(--c-red-light);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 站点包装 ===== */
.site-wrapper {
  padding-top: var(--header-h);
  min-height: 100vh;
}

/* ===== Hero（首页）===== */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: 1fr;
  align-items: flex-end;
  overflow: hidden;
}
.hero-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,10,10,0.95) 0%, rgba(192,57,43,0.25) 60%, rgba(26,10,10,0.7) 100%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(192,57,43,0.04) 40px,
      rgba(192,57,43,0.04) 41px
    );
  will-change: transform;
}
.hero-slash {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--c-black);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 48px 140px 48px;
  max-width: 720px;
  grid-column: 1;
  grid-row: 1;
  align-self: flex-end;
}
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.badge {
  display: inline-block;
  padding: 5px 14px;
  background: var(--c-red);
  color: var(--c-cream);
  font-family: var(--font-cond);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
}
.hero-title {
  font-family: var(--font-cond);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: var(--c-cream);
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 18px;
  font-weight: 300;
  color: var(--c-text-dim);
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 32px;
  background: var(--c-red);
  color: var(--c-cream);
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: 8px;
  text-transform: uppercase;
  transition: background var(--trans-base), transform var(--trans-base);
}
.hero-cta:hover {
  background: var(--c-red-light);
  color: var(--c-cream);
  transform: translateY(-2px);
}
.hero-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  padding: 32px 48px 160px 0;
}
.hero-aside ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.hero-aside ul li a {
  display: block;
  padding: 10px 18px;
  background: rgba(26,10,10,0.7);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 600;
  color: var(--c-cream);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: background var(--trans-base), border-color var(--trans-base);
  min-height: 44px;
}
.hero-aside ul li a:hover {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-cream);
}

/* ===== 通用 article 布局（main > article > figure/aside 交错）===== */
.content-section,
.topic-content-section,
.article-body-section,
.about-body-section,
.privacy-body-section,
.tag-content-section,
.default-body-section {
  display: grid;
  grid-template-columns: 48px 1fr 300px;
  grid-template-rows: auto;
  gap: 0 32px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 24px;
}
.content-figure,
.tag-content-section > .content-figure {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}
.figure-line {
  width: 2px;
  flex: 1;
  min-height: 120px;
  background: linear-gradient(to bottom, var(--c-red), transparent);
}
.figure-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-red);
  flex-shrink: 0;
}
.figure-num {
  font-family: var(--font-cond);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-top: 12px;
}
.prose-block {
  grid-column: 2;
  grid-row: 1;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-cream-dark);
  max-width: 780px;
}
.prose-block h2 {
  font-family: var(--font-cond);
  font-size: 28px;
  font-weight: 700;
  color: var(--c-cream);
  margin: 2em 0 0.4em;
  line-height: 1.2;
}
.prose-block h3 {
  font-family: var(--font-cond);
  font-size: 22px;
  font-weight: 600;
  color: var(--c-cream);
  margin: 1.6em 0 0.4em;
}
.prose-block p { margin-bottom: 1.2em; }
.prose-block ul, .prose-block ol {
  margin: 0 0 1.2em 1.5em;
  list-style: initial;
}
.prose-block ol { list-style: decimal; }
.prose-block a { color: var(--c-red-light); border-bottom: 1px solid var(--c-border); }
.prose-block a:hover { color: var(--c-cream); }
.prose-block strong { color: var(--c-cream); font-weight: 600; }
.prose-block blockquote {
  border-left: 3px solid var(--c-red);
  padding: 12px 20px;
  background: var(--c-surface);
  border-radius: 0 8px 8px 0;
  margin: 1.5em 0;
  font-style: italic;
  color: var(--c-cream-dark);
}

/* 侧边栏 */
.section-aside,
.article-sidebar,
.tag-sidebar,
.about-sidebar,
.privacy-sidebar,
.default-sidebar,
.topic-hero-aside,
.hero-aside,
.article-header-aside,
.about-banner-aside,
.privacy-header-aside,
.tag-hero-aside {
  grid-column: 3;
  grid-row: 1;
}
.section-aside,
.article-sidebar,
.tag-sidebar,
.about-sidebar,
.privacy-sidebar,
.default-sidebar {
  padding: 32px 24px;
  background: var(--c-surface);
  border-radius: var(--r-card);
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
.aside-label {
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-red-light);
  margin-bottom: 8px;
}
.section-aside ul, .article-sidebar ul,
.tag-sidebar ul, .about-sidebar ul,
.privacy-sidebar ul, .default-sidebar ul,
.sidebar-nav-block ul, .nav-shortcuts ul,
.other-tags ul, .sibling-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.section-aside ul li a, .article-sidebar ul li a,
.tag-sidebar ul li a, .about-sidebar ul li a,
.privacy-sidebar ul li a, .default-sidebar ul li a,
.sidebar-nav-block ul li a, .nav-shortcuts ul li a,
.other-tags ul li a, .sibling-nav ul li a {
  display: block;
  padding: 8px 0;
  font-size: 15px;
  color: var(--c-text-dim);
  border-bottom: 1px solid var(--c-border);
  transition: color var(--trans-base), padding-left var(--trans-base);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.section-aside ul li a:hover, .article-sidebar ul li a:hover,
.tag-sidebar ul li a:hover, .about-sidebar ul li a:hover,
.privacy-sidebar ul li a:hover, .default-sidebar ul li a:hover,
.sidebar-nav-block ul li a:hover, .nav-shortcuts ul li a:hover {
  color: var(--c-cream);
  padding-left: 6px;
}
.safety-callout {
  padding: 16px;
  background: rgba(192,57,43,0.15);
  border: 1px solid var(--c-red);
  border-radius: 12px;
}
.safety-callout p { font-size: 14px; color: var(--c-cream-dark); margin-bottom: 8px; }
.safety-callout a {
  display: inline-block;
  padding: 6px 14px;
  background: var(--c-red);
  color: var(--c-cream);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

/* ===== 专题 Hero ===== */
.topic-hero {
  position: relative;
  height: 55vh;
  min-height: 400px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  overflow: hidden;
  margin-top: 0;
}
.topic-hero-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.topic-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(192,57,43,0.3) 0%, rgba(26,10,10,0.98) 70%);
}
.topic-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 48px 64px;
  max-width: 700px;
  grid-column: 1;
}
.topic-hero-content h1 {
  font-family: var(--font-cond);
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--c-cream);
  margin-bottom: 16px;
}
.topic-lead {
  font-size: 18px;
  color: var(--c-text-dim);
  max-width: 560px;
}
.topic-hero-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 0 48px 64px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

/* ===== 文章 Header ===== */
.article-main { }
.article-header-section {
  position: relative;
  padding-top: var(--subnav-h);
  min-height: 340px;
  display: grid;
  grid-template-columns: 1fr 280px;
  align-items: flex-end;
  overflow: hidden;
}
.article-header-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.article-hero-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(192,57,43,0.2) 0%, rgba(26,10,10,1) 80%);
}
.article-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}
.article-header-text {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding: 32px 48px 40px;
}
.article-header-text h1 {
  font-family: var(--font-cond);
  font-size: clamp(28px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-cream);
  margin-bottom: 12px;
}
.article-desc {
  font-size: 17px;
  color: var(--c-text-dim);
}
.article-header-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 32px 40px 40px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.article-date {
  font-family: var(--font-cond);
  font-size: 15px;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
}
.article-modified {
  font-size: 13px;
  color: var(--c-text-dim);
}

/* ===== 文章正文 article ===== */
.article-body-section {
  grid-template-columns: 48px 1fr 280px;
}
.article-sidebar {
  top: calc(var(--header-h) + var(--subnav-h) + 24px);
}
.article-prose { max-width: none; }

/* ===== 首页 专题卡片区 ===== */
.topics-section,
.recent-section,
.children-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 24px;
}
.section-title {
  font-family: var(--font-cond);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--c-cream);
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.section-subtitle,
.subtitle {
  font-size: 17px;
  color: var(--c-text-dim);
  margin-bottom: 40px;
}
/* 子页列表：article > div×n */
.topics-section,
.recent-section,
.children-section,
.tag-index-block {
  display: flex;
  flex-direction: column;
}
.topics-section > div,
.recent-section > div,
.children-section > div,
.tag-index-block > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  background: var(--c-surface);
  border-radius: var(--r-card);
  padding: 28px 32px;
  margin-bottom: 16px;
  border: 1px solid var(--c-border);
  transition: border-color var(--trans-base), transform var(--trans-base);
  gap: 16px;
}
.topics-section > div:hover,
.recent-section > div:hover,
.children-section > div:hover,
.tag-index-block > div:hover {
  border-color: var(--c-red);
  transform: translateY(-2px);
}
.topics-section > div .card-badge,
.recent-section > div .card-badge,
.children-section > div .card-badge,
.tag-index-block > div .card-badge,
.article-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--c-red);
  color: var(--c-cream);
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 100px;
  white-space: nowrap;
  align-self: start;
  margin-top: 4px;
}
.topics-section > div h3,
.recent-section > div h3,
.children-section > div h3,
.tag-index-block > div h3 {
  font-family: var(--font-cond);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 8px;
  line-height: 1.2;
  grid-column: 1 / -1;
}
.topics-section > div h3 a,
.recent-section > div h3 a,
.children-section > div h3 a,
.tag-index-block > div h3 a {
  color: var(--c-cream);
}
.topics-section > div h3 a:hover,
.recent-section > div h3 a:hover,
.children-section > div h3 a:hover,
.tag-index-block > div h3 a:hover {
  color: var(--c-red-light);
}
.topics-section > div > p,
.recent-section > div > p,
.children-section > div > p,
.tag-index-block > div > p {
  font-size: 16px;
  color: var(--c-text-dim);
  grid-column: 1 / -1;
}
.card-link {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 16px;
  border: 1px solid var(--c-red);
  border-radius: 8px;
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 600;
  color: var(--c-red-light);
  transition: background var(--trans-base), color var(--trans-base);
  white-space: nowrap;
  align-self: end;
}
.card-link:hover {
  background: var(--c-red);
  color: var(--c-cream);
}
.card-meta {
  font-size: 14px;
  color: var(--c-text-dim);
}
.article-item .article-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  grid-column: 1 / -1;
}

/* ===== 首页内容区 ===== */
.page-content-section {
  padding-top: 80px;
}
.page-content-section .content-figure {
  padding-top: 8px;
}

/* ===== 标签页 ===== */
.tag-hero-section {
  position: relative;
  height: 45vh;
  min-height: 300px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  overflow: hidden;
}
.tag-hero-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.tag-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(192,57,43,0.25) 0%, rgba(26,10,10,0.97) 65%);
}
.tag-hero-content {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding: 0 48px 56px;
  max-width: 680px;
}
.tag-hero-content h1 {
  font-family: var(--font-cond);
  font-size: clamp(28px, 5vw, 60px);
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 12px;
}
.tag-desc { margin-bottom: 0; }
.tag-hero-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 0 48px 56px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.tag-content-section {
  grid-template-columns: 48px 1fr 280px;
}
.tag-index-block {
  grid-column: 2;
  padding: 0;
}
.tag-sidebar { grid-column: 3; }
.tag-sidebar .prose-block {
  font-size: 15px;
  max-width: none;
}
.empty-tip {
  font-size: 17px;
  color: var(--c-text-dim);
  padding: 32px 0;
}

/* ===== About 页 ===== */
.about-banner-section {
  position: relative;
  height: 50vh;
  min-height: 360px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  overflow: hidden;
}
.about-banner-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.about-banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,10,10,0.92) 0%, rgba(192,57,43,0.3) 50%, rgba(26,10,10,0.95) 100%);
}
.about-banner-slash {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--c-black);
  clip-path: polygon(0 50%, 100% 0%, 100% 100%, 0% 100%);
  z-index: 1;
}
.about-banner-content {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding: 0 48px 80px;
  max-width: 700px;
}
.about-banner-content h1 {
  font-family: var(--font-cond);
  font-size: clamp(28px, 5vw, 60px);
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 12px;
  line-height: 1.1;
}
.about-lead { font-size: 18px; color: var(--c-text-dim); }
.about-banner-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 0 48px 80px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  background: var(--c-red);
  color: var(--c-cream);
  border-radius: 8px;
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 700;
}
.contact-link:hover { background: var(--c-red-light); color: var(--c-cream); }
.about-contact-section {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  color: var(--c-cream);
  font-size: 16px;
  transition: border-color var(--trans-base);
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--c-red);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--c-text-dim); }
.form-submit {
  align-self: flex-start;
  padding: 14px 32px;
  background: var(--c-red);
  color: var(--c-cream);
  border: none;
  border-radius: 10px;
  font-family: var(--font-cond);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  min-height: 48px;
  transition: background var(--trans-base);
}
.form-submit:hover { background: var(--c-red-light); }

/* ===== Privacy 页 ===== */
.privacy-header-section {
  position: relative;
  height: 40vh;
  min-height: 280px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  overflow: hidden;
}
.privacy-header-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.privacy-header-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,10,10,0.97) 0%, rgba(192,57,43,0.15) 100%);
}
.privacy-header-content {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding: 0 48px 48px;
}
.privacy-header-content h1 {
  font-family: var(--font-cond);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 12px;
}
.privacy-lead { font-size: 17px; color: var(--c-text-dim); }
.privacy-header-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 0 48px 48px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}
.privacy-body-section { padding-top: 48px; }

/* ===== Default 页 ===== */
.default-hero-section {
  position: relative;
  height: 40vh;
  min-height: 280px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  overflow: hidden;
}
.default-hero-figure {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
}
.default-hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,10,10,0.97) 0%, rgba(192,57,43,0.2) 100%);
}
.default-hero-content {
  position: relative;
  z-index: 2;
  grid-column: 1;
  padding: 0 48px 48px;
}
.default-hero-content h1 {
  font-family: var(--font-cond);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 12px;
}
.default-hero-aside {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 0 48px 48px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0f0505;
  border-top: 2px solid var(--c-red);
  margin-top: 80px;
}
.footer-top {
  max-width: 1400px;
  margin: 0 auto;
  padding: 48px 24px;
  border-bottom: 1px solid var(--c-border);
}
.footer-subscribe {
  max-width: 480px;
}
.footer-h2 {
  font-family: var(--font-cond);
  font-size: 28px;
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 4px;
}
.footer-subscribe .subtitle {
  margin-bottom: 20px;
}
.footer-form {
  display: flex;
  gap: 8px;
}
.footer-form input {
  flex: 1;
  padding: 12px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  color: var(--c-cream);
  font-size: 16px;
  min-height: 48px;
}
.footer-form input::placeholder { color: var(--c-text-dim); }
.footer-form input:focus { outline: none; border-color: var(--c-red); }
.footer-form button {
  padding: 0 24px;
  background: var(--c-red);
  color: var(--c-cream);
  border: none;
  border-radius: 8px;
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  min-height: 48px;
  white-space: nowrap;
  transition: background var(--trans-base);
}
.footer-form button:hover { background: var(--c-red-light); }
/* 页脚主区三栏 */
.footer-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
  border-bottom: 1px solid var(--c-border);
}
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col--right { align-items: flex-end; text-align: right; }
.footer-brand {
  font-family: var(--font-cond);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-cream);
  margin-bottom: 4px;
}
.footer-col p { font-size: 15px; color: var(--c-text-dim); }
.footer-col a {
  font-size: 15px;
  color: var(--c-text-dim);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}
.footer-col a:hover { color: var(--c-cream); }
.footer-nav {
  display: flex;
  flex-direction: column;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-nav ul li a {
  font-size: 15px;
  color: var(--c-text-dim);
  min-height: 40px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--c-border);
  transition: color var(--trans-base), padding-left var(--trans-base);
}
.footer-nav ul li a:hover { color: var(--c-cream); padding-left: 6px; }
/* 底栏 */
.footer-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 24px;
  text-align: center;
}
.footer-bar p {
  font-family: var(--font-cond);
  font-size: 14px;
  color: var(--c-text-dim);
  letter-spacing: 0.06em;
}

/* ===== Scroll Reveal 动效 ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 视差层 ===== */
.hero-bg,
.topic-hero-bg,
.tag-hero-bg,
.about-banner-bg,
.privacy-header-bg,
.default-hero-bg,
.article-hero-placeholder {
  will-change: transform;
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-bg,
  .topic-hero-bg,
  .tag-hero-bg {
    will-change: auto;
  }
  .hero-cta, .card-link, .hnav-link, .site-aside nav ul li a {
    transition: none;
  }
}

/* ===== 移动端 ===== */
@media (max-width: 960px) {
  .header-left, .header-right { display: none; }
  .header-inner { grid-template-columns: 1fr auto auto; }
  .nav-toggle { display: flex; }

  .content-section, .topic-content-section,
  .article-body-section, .about-body-section,
  .privacy-body-section, .tag-content-section,
  .default-body-section {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .content-figure { display: none; }
  .prose-block, .article-prose {
    grid-column: 1;
    grid-row: 1;
  }
  .section-aside, .article-sidebar, .tag-sidebar,
  .about-sidebar, .privacy-sidebar, .default-sidebar {
    grid-column: 1;
    grid-row: 2;
    position: static;
  }
  .tag-index-block { grid-column: 1; }

  .hero-content { padding: 0 24px 100px; }
  .hero-aside { display: none; }
  .hero-title { font-size: clamp(32px, 9vw, 56px); }

  .topic-hero-content { padding: 0 24px 48px; }
  .topic-hero-aside { display: none; }

  .article-header-section { grid-template-columns: 1fr; }
  .article-header-text { padding: 24px 24px 32px; }
  .article-header-aside { display: none; }

  .about-banner-content { padding: 0 24px 64px; }
  .about-banner-aside { display: none; }

  .privacy-header-content { padding: 0 24px 40px; }
  .privacy-header-aside { display: none; }

  .tag-hero-content { padding: 0 24px 40px; }
  .tag-hero-aside { display: none; }

  .default-hero-content { padding: 0 24px 40px; }
  .default-hero-aside { display: none; }

  .footer-main { grid-template-columns: 1fr; }
  .footer-col--right { align-items: flex-start; text-align: left; }

  .topics-section, .recent-section, .children-section,
  .tag-index-block { padding: 40px 24px; }

  .form-row { grid-template-columns: 1fr; }

  .topics-section > div,
  .recent-section > div,
  .children-section > div,
  .tag-index-block > div {
    grid-template-columns: 1fr;
    padding: 20px 20px;
  }
  .card-link { width: auto; }
}

@media (max-width: 600px) {
  .sticky-subnav { font-size: 13px; }
  .subnav-inner { padding: 0 16px; gap: 4px; }
  .hero-lead { font-size: 16px; }
  .hero-cta { height: 48px; font-size: 16px; }
  .topics-section, .recent-section, .children-section { padding: 32px 16px; }
  .content-section, .topic-content-section,
  .article-body-section, .about-body-section,
  .privacy-body-section, .tag-content-section,
  .default-body-section { padding: 40px 16px; }
  .prose-block { font-size: 16px; }
  .footer-form { flex-direction: column; }
  .footer-form button { width: 100%; }
  .footer-main { padding: 32px 16px; }
}