/* ===== zixun3 — 画报版 ===== */
:root {
  --color-primary: #7c3aed;
  --color-primary-dark: #5b21b6;
  --color-accent: #ec4899;
  --color-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #ec4899 100%);
  --color-text: #1e1b2e;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #f8f7fc;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --font-display: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.08);
  --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.12);
  --shadow-lg: 0 16px 48px rgba(124, 58, 237, 0.16);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --header-height: 60px;
  --max-width: 1140px;
  --article-width: 720px;
  --transition: 0.3s ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 2px;
}

.nav-desktop { display: none; }

.nav-desktop ul { display: flex; gap: 6px; }

.nav-desktop a {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-primary);
  background: rgba(124, 58, 237, 0.08);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-surface);
  padding: 16px 20px;
  overflow-y: auto;
  z-index: 99;
}

.nav-mobile.open { display: block; }

.nav-mobile ul { display: flex; flex-direction: column; gap: 4px; }

.nav-mobile a {
  display: block;
  padding: 14px 16px;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: background var(--transition);
}

.nav-mobile a:hover {
  background: rgba(124, 58, 237, 0.08);
  color: var(--color-primary);
}

/* ===== Main ===== */
.main-content {
  flex: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 48px;
  width: 100%;
}

/* ===== Magazine Hero ===== */
.mag-hero {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 20px 0 28px;
  min-height: 320px;
  box-shadow: var(--shadow-lg);
}

.mag-hero-bg {
  position: absolute;
  inset: 0;
}

.mag-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mag-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(30, 27, 46, 0.92) 0%,
    rgba(91, 33, 182, 0.55) 50%,
    rgba(124, 58, 237, 0.25) 100%
  );
}

.mag-hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 28px;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 320px;
}

.mag-hero-tag {
  display: inline-block;
  align-self: flex-start;
  background: var(--color-gradient);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.mag-hero-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 12px;
}

.mag-hero-summary {
  font-size: 0.9rem;
  opacity: 0.85;
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mag-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ===== Category Banner ===== */
.category-banner {
  text-align: center;
  padding: 40px 20px 28px;
}

.category-banner h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.category-banner p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== Category Pills ===== */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 8px;
  margin-bottom: 24px;
}

.pill {
  flex-shrink: 0;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.pill:hover { border-color: var(--color-primary); color: var(--color-primary); }

.pill.active {
  background: var(--color-gradient);
  color: #fff;
  border-color: transparent;
}

/* ===== Masonry Grid ===== */
.masonry-grid {
  columns: 1;
  column-gap: 20px;
}

.mag-card {
  display: block;
  break-inside: avoid;
  margin-bottom: 20px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.mag-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.mag-card-image {
  position: relative;
  overflow: hidden;
}

.mag-card-image img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.mag-card--tall .mag-card-image img { aspect-ratio: 3 / 4; }
.mag-card:not(.mag-card--tall) .mag-card-image img { aspect-ratio: 16 / 10; }

.mag-card:hover .mag-card-image img { transform: scale(1.04); }

.mag-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(30, 27, 46, 0.5) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.mag-card:hover .mag-card-overlay { opacity: 1; }

.mag-card-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(124, 58, 237, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.mag-card-body { padding: 16px 18px 20px; }

.mag-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 8px;
  transition: color var(--transition);
}

.mag-card:hover .mag-card-title { color: var(--color-primary); }

.mag-card-summary {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mag-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===== Article Page ===== */
.main-content--article { padding: 0; max-width: none; }

.article-hero {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: flex-end;
}

.article-hero-bg {
  position: absolute;
  inset: 0;
}

.article-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(30, 27, 46, 0.95) 0%,
    rgba(91, 33, 182, 0.6) 40%,
    rgba(124, 58, 237, 0.3) 100%
  );
}

.article-hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 20px 40px;
  width: 100%;
  color: #fff;
}

.article-hero .article-category {
  display: inline-block;
  background: var(--color-gradient);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  color: #fff;
}

.article-hero .article-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 16px;
}

.article-hero .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  opacity: 0.75;
  border: none;
  padding: 0;
}

.article-wrap {
  max-width: var(--article-width);
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  transition: color var(--transition);
}

.back-link:hover { color: var(--color-primary); }

.article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: #374151;
}

.article-body p { margin-bottom: 1.5em; text-align: justify; }

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2em 0 1em;
  color: var(--color-primary);
}

.article-figure { margin: 2em 0; }

.article-figure img {
  width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.article-figure figcaption {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 10px;
}

.article-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.article-footer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.btn-back {
  display: inline-flex;
  padding: 10px 28px;
  background: var(--color-gradient);
  color: #fff;
  border-radius: 24px;
  font-size: 0.9rem;
  transition: opacity var(--transition);
}

.btn-back:hover { opacity: 0.9; }

/* ===== Related ===== */
.related-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.section-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.related-masonry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.related-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.related-card-image { overflow: hidden; }

.related-card-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .related-card-image img { transform: scale(1.03); }

.related-card-body { padding: 14px 16px; }

.related-card-body h4 {
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card-body span {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ===== Footer ===== */
.site-footer {
  background: linear-gradient(135deg, #1e1b2e 0%, #312e81 100%);
  color: rgba(255, 255, 255, 0.7);
  padding: 36px 20px;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-brand { margin-bottom: 8px; }

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.footer-tagline {
  display: block;
  font-size: 0.75rem;
  color: var(--color-accent);
  margin-top: 4px;
  letter-spacing: 1px;
}

.footer-desc { font-size: 0.85rem; margin-bottom: 16px; }

.footer-links { font-size: 0.8rem; margin-bottom: 12px; }
.footer-links a { color: rgba(255, 255, 255, 0.75); }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-links span { margin: 0 10px; opacity: 0.35; }

.footer-copy { font-size: 0.75rem; opacity: 0.5; }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.pagination-info { font-size: 0.875rem; color: var(--color-text-muted); }

.pagination-btn {
  display: inline-flex;
  padding: 10px 22px;
  border-radius: 24px;
  font-size: 0.9rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.pagination-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }

.pagination-btn-primary {
  background: var(--color-gradient);
  color: #fff;
  border-color: transparent;
}

.pagination-btn-primary:hover { opacity: 0.9; color: #fff; }

/* ===== States ===== */
.empty-state { text-align: center; padding: 60px 20px; color: var(--color-text-muted); }

.error-page { text-align: center; padding: 80px 20px 100px; }
.error-code {
  font-size: 5rem;
  font-weight: 700;
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.error-title { font-size: 1.5rem; font-weight: 600; margin-bottom: 12px; }
.error-desc { color: var(--color-text-secondary); font-size: 0.95rem; margin-bottom: 32px; }

/* ===== Tablet ===== */
@media (min-width: 640px) {
  .masonry-grid { columns: 2; }
  .mag-hero-content { min-height: 380px; padding: 48px 36px; }
  .mag-hero-title { font-size: 2rem; }
  .related-masonry { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Desktop ===== */
@media (min-width: 1024px) {
  .menu-toggle { display: none; }
  .nav-desktop { display: block; }
  .nav-mobile { display: none !important; }

  .mag-hero { min-height: 440px; margin: 24px 0 32px; }
  .mag-hero-content { min-height: 440px; padding: 56px 48px; }
  .mag-hero-title { font-size: 2.5rem; }

  .article-hero { min-height: 480px; }
  .article-hero .article-title { font-size: 2.25rem; }

  .related-masonry { grid-template-columns: repeat(3, 1fr); }
}