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

/* ===== 变量 ===== */
:root {
  --c-red: #ff0000;
  --c-pink: #ff1493;
  --c-dark: #261717;
  --c-dark2: #3a1f1f;
  --c-dark3: #1a0e0e;
  --c-light: #fff5f7;
  --c-muted: rgba(255,255,255,0.08);
  --c-border: rgba(255,20,147,0.2);
  --c-text: #f0e0e4;
  --c-text-dim: rgba(240,224,228,0.65);
  --font-main: 'Noto Naskh Arabic', 'Noto Sans Arabic', 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans Arabic', 'Noto Sans SC', system-ui, sans-serif;
  --max-w: 1200px;
  --gap: 2rem;
  --radius: 0;
  --transition: 0.25s ease;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--c-dark3);
  color: var(--c-text);
  font-family: var(--font-main);
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-pink); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-red); }
ul, ol { list-style: none; }
details > summary { list-style: none; }
details > summary::-webkit-details-marker { display: none; }

/* ===== 极光背景 ===== */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora-layer {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  mix-blend-mode: screen;
}
.aurora-1 {
  width: 80vw; height: 60vh;
  top: -20vh; left: -20vw;
  background: radial-gradient(ellipse at center, #ff0000 0%, transparent 70%);
  animation: aurora-drift1 11s ease-in-out infinite alternate;
}
.aurora-2 {
  width: 70vw; height: 70vh;
  top: 10vh; right: -20vw;
  background: radial-gradient(ellipse at center, #ff1493 0%, transparent 70%);
  animation: aurora-drift2 9s ease-in-out infinite alternate;
}
.aurora-3 {
  width: 60vw; height: 50vh;
  bottom: -15vh; left: 20vw;
  background: radial-gradient(ellipse at center, #ff1493 0%, #ff0000 40%, transparent 70%);
  animation: aurora-drift3 12s ease-in-out infinite alternate;
}
.aurora-muted .aurora-layer { opacity: 0.09; }

@keyframes aurora-drift1 {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(8vw, 6vh) scale(1.15); }
}
@keyframes aurora-drift2 {
  0% { transform: translate(0,0) scale(1.1); }
  100% { transform: translate(-6vw, 8vh) scale(1); }
}
@keyframes aurora-drift3 {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(5vw, -5vh) scale(1.12); }
}
@media (prefers-reduced-motion: reduce) {
  .aurora-layer { animation: none; }
}

/* ===== 公告条 ===== */
.announce-bar {
  position: relative;
  z-index: 10;
  background: linear-gradient(90deg, var(--c-red) 0%, var(--c-pink) 50%, var(--c-red) 100%);
  background-size: 200% 100%;
  animation: announce-scroll 10s linear infinite;
  text-align: center;
  padding: 0.35rem 1rem;
  font-size: 0.82rem;
  font-family: var(--font-sans);
  color: #fff;
  letter-spacing: 0.05em;
}
@keyframes announce-scroll {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}
@media (prefers-reduced-motion: reduce) {
  .announce-bar { animation: none; }
}

/* ===== 站头 ===== */
.site-header {
  position: relative;
  z-index: 20;
  background: rgba(38,23,23,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.brand-row {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--c-border);
}
.brand-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand-mark { width: 36px; height: 36px; object-fit: contain; }
.brand-name {
  font-family: var(--font-main);
  font-size: 1.55rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.brand-tagline {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  font-family: var(--font-sans);
  display: none;
}
@media (min-width: 640px) {
  .brand-tagline { display: inline; }
}

/* ===== 导航行 ===== */
.nav-row {
  padding: 0 2rem;
  max-width: var(--max-w);
  margin: 0 auto;
}
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: stretch;
}
.nav-group { position: relative; }

.nav-details { position: relative; }
.nav-summary {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.75rem 1.1rem;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
  min-height: 44px;
  user-select: none;
}
.nav-summary::after {
  content: '▾';
  font-size: 0.7em;
  transition: transform var(--transition);
}
.nav-details[open] .nav-summary::after { transform: rotate(180deg); }
.nav-summary:hover { color: #fff; background: var(--c-muted); }
.nav-details[open] .nav-summary { color: var(--c-pink); }

.nav-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: rgba(38,23,23,0.98);
  border: 1px solid var(--c-border);
  border-top: 2px solid var(--c-pink);
  box-shadow: 0 8px 32px rgba(255,20,147,0.15);
  z-index: 100;
  padding: 0.5rem 0;
}
.nav-menu li a {
  display: block;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  transition: background var(--transition), color var(--transition), padding var(--transition);
  min-height: 40px;
  line-height: 1.3;
  display: flex;
  align-items: center;
}
.nav-menu li a:hover {
  background: rgba(255,20,147,0.12);
  color: #fff;
  padding-left: 1.6rem;
}

/* ===== 布局包裹 ===== */
.wrap {
  position: relative;
  z-index: 5;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== main ===== */
main { position: relative; z-index: 5; padding-bottom: 4rem; }

/* ===== Hero（首页） ===== */
.hero-section {
  padding: 0;
  margin-bottom: 4rem;
}
.hero-article {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,0,0,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,0,0,0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  background-color: rgba(26,14,14,0.4);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 4rem 0 3rem;
  max-width: 800px;
}
.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--c-pink);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 3px solid var(--c-pink);
}
.hero-h1 {
  font-family: var(--font-main);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}
.hero-lead {
  font-size: 1.05rem;
  color: var(--c-text-dim);
  max-width: 600px;
  margin-bottom: 2rem;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.8rem;
  background: linear-gradient(135deg, var(--c-red), var(--c-pink));
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(255,20,147,0.35);
  min-height: 44px;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,20,147,0.5);
  color: #fff;
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.8rem;
  background: transparent;
  color: var(--c-pink);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--c-pink);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  min-height: 44px;
  letter-spacing: 0.02em;
}
.btn-ghost:hover {
  background: rgba(255,20,147,0.12);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,20,147,0.2);
}
.btn-ghost-sm {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.2rem;
  background: transparent;
  color: var(--c-text-dim);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  border: 1px solid var(--c-border);
  transition: color var(--transition), border-color var(--transition);
  min-height: 40px;
}
.btn-ghost-sm:hover { color: var(--c-pink); border-color: var(--c-pink); }

/* ===== article 标题 ===== */
.section-heading {
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}
.section-heading + hr {
  border: none;
  border-top: 2px solid var(--c-pink);
  width: 60px;
  margin-bottom: 2rem;
}

/* ===== content-section（侧边栏布局） ===== */
.content-section,
.article-section,
.about-section,
.privacy-section {
  padding: 3rem 0;
}
.content-article,
.article-article,
.about-article,
.privacy-article {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ===== aside ===== */
.content-aside {
  position: sticky;
  top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.aside-widget {
  background: rgba(58,31,31,0.6);
  border: 1px solid var(--c-border);
  padding: 1.2rem;
  backdrop-filter: blur(6px);
}
.aside-title {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-pink);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.aside-title + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin-bottom: 0.8rem;
}
.aside-nav-list li {
  border-bottom: 1px solid rgba(255,20,147,0.08);
}
.aside-nav-list li:last-child { border-bottom: none; }
.aside-nav-list a {
  display: block;
  padding: 0.45rem 0;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  line-height: 1.4;
  transition: color var(--transition), padding-left var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.aside-nav-list a:hover { color: var(--c-pink); padding-left: 0.4rem; }
.aside-note {
  font-size: 0.82rem;
  color: var(--c-text-dim);
  line-height: 1.6;
  font-family: var(--font-sans);
}
.stats-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.3rem 0.6rem;
  font-size: 0.82rem;
  font-family: var(--font-sans);
}
.stats-list dt { color: var(--c-text-dim); }
.stats-list dd { color: var(--c-pink); font-weight: 600; }

/* ===== 正文内容 ===== */
.content-body,
.article-body,
.about-body,
.privacy-body {
  min-width: 0;
}
.page-content,
.article-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text);
}
.page-content h2,
.article-content h2 {
  font-family: var(--font-main);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin: 2.5rem 0 0.4rem;
  letter-spacing: 0.02em;
}
.page-content h2 + hr,
.article-content h2 + hr {
  border: none;
  border-top: 2px solid var(--c-pink);
  width: 50px;
  margin-bottom: 1.2rem;
}
.page-content h3,
.article-content h3 {
  font-family: var(--font-main);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--c-pink);
  margin: 2rem 0 0.6rem;
}
.page-content h3 + hr,
.article-content h3 + hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin-bottom: 1rem;
}
.page-content p,
.article-content p {
  margin-bottom: 1.2rem;
  color: var(--c-text);
}
.page-content a,
.article-content a { color: var(--c-pink); border-bottom: 1px solid rgba(255,20,147,0.3); }
.page-content a:hover,
.article-content a:hover { color: var(--c-red); border-bottom-color: var(--c-red); }
.page-content ul,
.article-content ul,
.page-content ol,
.article-content ol {
  margin: 1rem 0 1.2rem 1.5rem;
  list-style: disc;
}
.page-content ol,
.article-content ol { list-style: decimal; }
.page-content li,
.article-content li { margin-bottom: 0.4rem; }
.page-content table,
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
.page-content th,
.article-content th {
  background: rgba(255,20,147,0.15);
  color: var(--c-pink);
  font-weight: 700;
  padding: 0.7rem 1rem;
  border: 1px solid var(--c-border);
  text-align: left;
}
.page-content td,
.article-content td {
  padding: 0.6rem 1rem;
  border: 1px solid var(--c-border);
  color: var(--c-text);
}
.page-content tr:hover td,
.article-content tr:hover td {
  background: rgba(255,20,147,0.05);
}
.page-content blockquote,
.article-content blockquote {
  border-left: 3px solid var(--c-pink);
  padding: 1rem 1.5rem;
  background: rgba(255,20,147,0.05);
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--c-text-dim);
}
.page-content code,
.article-content code {
  background: rgba(255,20,147,0.1);
  padding: 0.15em 0.4em;
  font-size: 0.9em;
  border-radius: 2px;
  font-family: monospace;
}

/* ===== section 文章页专属 ===== */
.page-eyebrow,
.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-pink);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--c-pink);
}
.article-h1,
.page-h1 {
  font-family: var(--font-main);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-h1 + hr {
  border: none;
  border-top: 2px solid var(--c-pink);
  width: 60px;
  margin-bottom: 1.5rem;
}
.article-meta {
  margin-bottom: 0.6rem;
}
.breadcrumb {
  font-size: 0.82rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
}
.breadcrumb a { color: var(--c-text-dim); }
.breadcrumb a:hover { color: var(--c-pink); }
.article-dates {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.article-date,
.article-date-mod {
  font-size: 0.82rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  background: rgba(255,20,147,0.07);
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--c-border);
}
.article-footer-nav {
  display: flex;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--c-border);
  flex-wrap: wrap;
}

/* ===== 子页卡片（首页） ===== */
.children-section {
  padding: 3rem 0;
}
.child-card {
  background: rgba(58,31,31,0.55);
  border: 1px solid var(--c-border);
  margin-bottom: 1.2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.child-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255,20,147,0.2);
  border-color: rgba(255,20,147,0.45);
}
.card-inner {
  padding: 1.4rem 1.6rem;
}
.card-title {
  font-family: var(--font-main);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.card-title a { color: #fff; }
.card-title a:hover { color: var(--c-pink); }
.card-date {
  font-size: 0.78rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  display: block;
  margin-bottom: 0.5rem;
}
.card-desc {
  font-size: 0.88rem;
  color: var(--c-text-dim);
  line-height: 1.6;
  margin-bottom: 0.8rem;
  font-family: var(--font-sans);
}
.card-link {
  font-size: 0.82rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--c-pink);
}

/* ===== nav 卡片区（首页） ===== */
.nav-section {
  padding: 3rem 0;
}
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}
.nav-card {
  background: rgba(58,31,31,0.55);
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.nav-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(255,20,147,0.18);
  border-color: rgba(255,20,147,0.4);
}
.nav-card-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.2rem 1.4rem;
  min-height: 100px;
}
.nav-card-title {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  transition: color var(--transition);
}
.nav-card:hover .nav-card-title { color: var(--c-pink); }
.nav-card-desc {
  font-size: 0.8rem;
  color: var(--c-text-dim);
  line-height: 1.5;
  font-family: var(--font-sans);
}

/* 子页卡片动效交错 */
.nav-card:nth-child(1) { transition-delay: 0.05s; }
.nav-card:nth-child(2) { transition-delay: 0.1s; }
.nav-card:nth-child(3) { transition-delay: 0.15s; }
.nav-card:nth-child(4) { transition-delay: 0.2s; }
.nav-card:nth-child(5) { transition-delay: 0.25s; }
.nav-card:nth-child(6) { transition-delay: 0.3s; }

/* ===== HR 装饰 ===== */
hr {
  border: none;
  border-top: 1px solid var(--c-border);
  margin: 1rem 0;
}

/* ===== 页脚 ===== */
.site-footer {
  position: relative;
  z-index: 5;
  background: rgba(26,14,14,0.97);
  border-top: 2px solid var(--c-border);
  padding-top: 0;
}
.footer-cta-block {
  background: linear-gradient(135deg, rgba(255,0,0,0.18) 0%, rgba(255,20,147,0.18) 100%);
  border-bottom: 1px solid var(--c-border);
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.footer-cta-text {
  font-family: var(--font-main);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}
.footer-cols {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.footer-col-title {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-pink);
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-border);
}
.footer-address {
  font-style: normal;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  line-height: 1.8;
}
.footer-nav-list li { margin-bottom: 0.3rem; }
.footer-nav-list a {
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
  transition: color var(--transition), padding-left var(--transition);
  display: flex;
  align-items: center;
  min-height: 40px;
}
.footer-nav-list a:hover { color: var(--c-pink); padding-left: 0.4rem; }
.footer-bottom {
  border-top: 1px solid var(--c-border);
  padding: 1.2rem 2rem;
  text-align: center;
}
.footer-copy {
  font-size: 0.8rem;
  font-family: var(--font-sans);
  color: var(--c-text-dim);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
  .content-article,
  .article-article,
  .about-article,
  .privacy-article {
    grid-template-columns: 1fr;
  }
  .content-aside {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }
  .aside-widget { flex: 1 1 200px; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .brand-row { padding: 0.75rem 1rem; }
  .nav-row { padding: 0 1rem; }
  .nav-summary { padding: 0.65rem 0.75rem; font-size: 0.82rem; }
  .wrap { padding: 0 1rem; }
  .hero-content { padding: 2.5rem 0 2rem; }
  .hero-h1 { font-size: 1.8rem; }
  .hero-cta { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .footer-cols { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-cta-block { padding: 2rem 1rem; }
  .nav-cards { grid-template-columns: 1fr; }
  .article-footer-nav { flex-direction: column; }
  .nav-menu { min-width: 200px; }
  .announce-bar { font-size: 0.75rem; }
}