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

/* ===== 变量 ===== */
:root {
  --cream: #f5e6c8;
  --amber: #d4a574;
  --dark: #262117;
  --dark2: #3a3020;
  --dark3: #4e4230;
  --amber-light: #e8c49a;
  --amber-dark: #b8834a;
  --text: #2e2515;
  --text-muted: #6b5a3e;
  --nav-w: 220px;
  --content-max: 780px;
  --radius-card: 28px;
  --radius-sm: 8px;
  --font-hand: 'Caveat', cursive;
  --font-body: 'Quicksand', sans-serif;
  --transition: 0.22s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 17px;
  background: var(--dark);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--cream);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Film grain overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23grain)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.55;
  mix-blend-mode: multiply;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

/* ===== 布局：左侧固定导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-w);
  height: 100vh;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 200;
  border-right: 2px solid var(--dark3);
}

/* 顶部公告条 */
.header-announcement {
  font-family: var(--font-hand);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--dark);
  background: var(--amber);
  padding: 6px 12px;
  text-align: center;
  letter-spacing: 0.01em;
  line-height: 1.3;
  writing-mode: horizontal-tb;
}

/* 品牌块 */
.brand-block {
  padding: 20px 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  border-bottom: 1px solid var(--dark3);
}

.brand-logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  filter: sepia(0.4) brightness(0.9);
}

.brand-name {
  font-family: var(--font-hand);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1.2;
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.brand-name:hover { color: var(--amber-light); }

/* 主导航 */
.main-nav {
  display: flex;
  flex-direction: column;
  padding: 12px 0;
  flex: 1;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--amber-light);
  padding: 11px 16px;
  line-height: 1.4;
  border-left: 3px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-link:hover,
.nav-link.active {
  background: var(--dark2);
  color: var(--amber);
  border-left-color: var(--amber);
}

/* ===== 主内容区 ===== */
.page-wrap {
  margin-left: var(--nav-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  padding: 48px 40px 64px;
  max-width: calc(var(--content-max) + 80px);
}

/* ===== 通用文章容器 ===== */
.home-article,
.ranking-article,
.review-article,
.compare-article,
.faq-article,
.about-article,
.privacy-article,
.default-article {
  width: 100%;
}

/* ===== Eyebrow / 面包屑 ===== */
.page-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.eyebrow-tag {
  font-family: var(--font-hand);
  font-size: 0.82rem;
  font-weight: 700;
  background: var(--amber);
  color: var(--dark);
  padding: 2px 10px;
  border-radius: 4px;
  letter-spacing: 0.04em;
}

.breadcrumb-link {
  color: var(--amber-dark);
  font-weight: 500;
  transition: color var(--transition);
}
.breadcrumb-link:hover { color: var(--dark); }
.bc-sep { color: var(--text-muted); }
.bc-current { color: var(--text-muted); }

/* ===== 标题 ===== */
.page-h1,
.hero-h1 {
  font-family: var(--font-hand);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

/* ===== 段落meta（日期）===== */
.page-meta {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.pub-date, .mod-date { font-style: italic; }
.entry-date { font-size: 0.78rem; color: var(--text-muted); font-style: italic; }

/* ===== 正文容器 ===== */
.content-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 40px;
}

.content-body h2 {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin: 2em 0 0.3em;
  letter-spacing: 0.01em;
}

.content-body h2 + hr,
.section-hr {
  border: none;
  border-top: 2px solid var(--amber);
  margin-bottom: 1em;
  opacity: 0.6;
}

.content-body h3 {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark2);
  margin: 1.5em 0 0.4em;
}

.content-body p { margin-bottom: 1em; }

.content-body strong { font-weight: 700; color: var(--dark); }

.content-body a {
  color: var(--amber-dark);
  border-bottom: 1px solid var(--amber-light);
  transition: color var(--transition), border-color var(--transition);
}
.content-body a:hover {
  color: var(--dark);
  border-bottom-color: var(--amber-dark);
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
}
.content-body table th,
.content-body table td {
  padding: 10px 14px;
  border: 1px solid var(--amber-light);
  text-align: left;
}
.content-body table th {
  background: var(--amber);
  color: var(--dark);
  font-weight: 700;
}
.content-body table tr:nth-child(even) { background: rgba(212, 165, 116, 0.12); }

.content-body ul,
.content-body ol {
  padding-left: 1.5em;
  margin-bottom: 1em;
}
.content-body li { margin-bottom: 0.4em; }

.content-body blockquote {
  border-left: 4px solid var(--amber);
  padding: 10px 20px;
  margin: 1.5em 0;
  background: rgba(212, 165, 116, 0.1);
  font-style: italic;
  color: var(--text-muted);
}

/* ===== h2 后紧跟 hr（结构抽签要求）===== */
.section-heading {
  font-family: var(--font-hand);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 0.3em;
  letter-spacing: 0.01em;
}

.section-block {
  margin-bottom: 48px;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-block;
  background: var(--amber);
  color: var(--dark);
  font-family: var(--font-hand);
  font-size: 1.05rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--amber-dark);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  min-height: 44px;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  background: var(--amber-dark);
  color: var(--cream);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(38,33,23,0.2);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--dark);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--dark);
  transition: background var(--transition), color var(--transition), transform var(--transition);
  min-height: 44px;
}
.btn-secondary:hover {
  background: var(--dark);
  color: var(--cream);
  transform: translateY(-1px);
}

/* ===== Hero 区块 ===== */
.hero-block {
  display: flex;
  gap: 40px;
  align-items: center;
  min-height: 70vh;
  margin-bottom: 60px;
  padding: 20px 0;
}

.hero-media {
  flex: 0 0 340px;
}

.hero-polaroid {
  position: relative;
  background: var(--dark2);
  border: 8px solid #fff;
  border-bottom: 36px solid #fff;
  box-shadow: 4px 8px 32px rgba(38,33,23,0.35), -2px 2px 0 var(--amber-light);
  transform: rotate(-2.5deg);
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: 3px;
  transition: transform var(--transition);
}
.hero-polaroid:hover { transform: rotate(-0.5deg) scale(1.01); }

/* film grain overlay inside polaroid */
.film-grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='150' height='150' filter='url(%23g)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.7;
  mix-blend-mode: multiply;
  z-index: 2;
}

/* VHS overlay */
.vhs-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(245,230,200,0.03) 2px,
    rgba(245,230,200,0.03) 4px
  );
  animation: vhs-track 8s linear infinite;
}

@keyframes vhs-track {
  0% { transform: translateY(0); }
  100% { transform: translateY(40px); }
}

/* light leak */
.hero-polaroid::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(212,165,116,0.35) 0%, transparent 70%);
  pointer-events: none;
  z-index: 4;
  animation: light-leak 6s ease-in-out infinite alternate;
}

@keyframes light-leak {
  0% { opacity: 0.4; transform: translate(0,0) scale(1); }
  100% { opacity: 0.7; transform: translate(-10px, 10px) scale(1.1); }
}

.hero-badge {
  position: absolute;
  z-index: 5;
  font-family: var(--font-hand);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--amber);
  color: var(--dark);
  padding: 4px 12px;
  border-radius: 3px;
  transform: rotate(3deg);
  box-shadow: 2px 2px 8px rgba(38,33,23,0.3);
  letter-spacing: 0.04em;
}
.hero-badge:first-of-type { top: 16px; left: 16px; }
.badge-2 { top: 52px; left: 24px; transform: rotate(-2deg); background: var(--dark); color: var(--amber); }

.hero-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  justify-content: center;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 400px;
  line-height: 1.65;
}

.hero-text .btn-primary,
.hero-text .btn-secondary { margin-right: 8px; }

/* ===== 卡片表格（首页榜单）===== */
.card-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 12px 0;
}

.card-row { vertical-align: top; }

.card-cell {
  width: 25%;
  padding: 0;
}

.card-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1.5px solid var(--amber-light);
  border-bottom: 4px solid var(--amber);
  padding: 20px 16px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
  filter: sepia(0.08);
}
.card-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(38,33,23,0.12);
  filter: sepia(0);
}

.card-num {
  font-family: var(--font-hand);
  font-size: 2rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.4;
}

.card-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  flex: 1;
}

.card-arrow {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--amber-dark);
  margin-top: 4px;
}

/* ===== 评测列表表格（首页）===== */
.review-table {
  width: 100%;
  border-collapse: collapse;
}

.review-row {
  border-bottom: 1px solid var(--amber-light);
  transition: background var(--transition);
}
.review-row:hover { background: rgba(212,165,116,0.1); }

.review-cell { padding: 14px 0; }

.review-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.review-title {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.95rem;
  transition: color var(--transition);
}
.review-row:hover .review-title { color: var(--amber-dark); }

.more-link {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--amber-dark);
  border-bottom: 1px solid var(--amber);
  transition: color var(--transition);
}
.more-link:hover { color: var(--dark); }

/* ===== 榜单表格（ranking 页）===== */
.rank-table {
  width: 100%;
  border-collapse: collapse;
}

.rank-row {
  border-bottom: 1px solid rgba(212,165,116,0.3);
  transition: background var(--transition);
  animation: fade-in-up 0.4s ease both;
  animation-delay: calc(var(--stagger-i, 0) * 0.06s);
}
.rank-row:hover { background: rgba(212,165,116,0.1); }

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.rank-num-cell {
  width: 52px;
  padding: 16px 8px 16px 0;
  vertical-align: middle;
}

.rank-num {
  font-family: var(--font-hand);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--amber);
  display: block;
  line-height: 1;
}

.rank-info-cell {
  padding: 16px 12px;
  vertical-align: middle;
}

.rank-title-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.rank-title-link strong { font-size: 0.95rem; color: var(--dark); transition: color var(--transition); }
.rank-row:hover .rank-title-link strong { color: var(--amber-dark); }
.rank-meta { font-size: 0.8rem; color: var(--text-muted); }
.rank-title-link time { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

.rank-action-cell {
  width: 100px;
  padding: 16px 0 16px 8px;
  vertical-align: middle;
  text-align: right;
}

.rank-btn {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 7px 14px;
  background: transparent;
  border: 1.5px solid var(--amber);
  color: var(--dark);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  min-height: 36px;
}
.rank-btn:hover { background: var(--amber); }

/* ===== Review Hero ===== */
.review-hero-wrap {
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.polaroid-frame {
  background: #fff;
  border: 6px solid #fff;
  border-bottom: 32px solid #fff;
  box-shadow: 3px 6px 24px rgba(38,33,23,0.25);
  transform: rotate(-1deg);
  display: inline-block;
  max-width: 480px;
  border-radius: 2px;
}

.review-hero-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  filter: sepia(0.25) contrast(1.05) saturate(0.85);
  display: block;
}

/* ===== 相关评测 ===== */
.related-table { width: 100%; border-collapse: collapse; }
.related-row {
  border-bottom: 1px solid rgba(212,165,116,0.25);
  animation: fade-in-up 0.35s ease both;
  animation-delay: calc(var(--stagger-i, 0) * 0.07s);
}
.related-row:hover { background: rgba(212,165,116,0.08); }
.related-cell { padding: 13px 0; }
.related-link { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.related-title { font-weight: 600; color: var(--dark); font-size: 0.9rem; transition: color var(--transition); }
.related-row:hover .related-title { color: var(--amber-dark); }
.related-link time { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

/* ===== 对比页 ===== */
.compare-intro-block {
  background: var(--dark);
  color: var(--amber);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
  border-left: 4px solid var(--amber);
}
.compare-tagline {
  font-family: var(--font-hand);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}

/* ===== FAQ 页 ===== */
.faq-toc-block {
  background: rgba(212,165,116,0.15);
  border: 1px solid var(--amber-light);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  margin-bottom: 28px;
}
.faq-toc-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-style: italic;
  margin: 0;
}

.faq-body h2 {
  font-family: var(--font-hand);
  font-size: 1.3rem;
}

/* ===== About 页 ===== */
.about-stamp {
  display: inline-block;
  border: 3px solid var(--amber-dark);
  color: var(--amber-dark);
  font-family: var(--font-hand);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 4px;
  transform: rotate(-1.5deg);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

/* ===== 返回导航 ===== */
.back-nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--amber-light);
}

/* ===== 页脚 ===== */
.site-footer {
  margin-left: var(--nav-w);
  background: var(--dark);
  color: var(--amber-light);
  padding: 0;
}

.footer-cta {
  background: var(--amber);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 40px;
  flex-wrap: wrap;
}

.footer-cta-text {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark);
}

.footer-cta-btn {
  display: inline-block;
  background: var(--dark);
  color: var(--amber);
  font-family: var(--font-hand);
  font-size: 1rem;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--dark);
  min-height: 44px;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.footer-cta-btn:hover { background: var(--dark2); color: var(--cream); }

/* 页脚三列 dl（结构抽签要求）*/
.footer-cols {
  display: flex;
  gap: 0;
  padding: 36px 40px 24px;
}

.footer-dl {
  flex: 1;
  padding-right: 24px;
}

.footer-dl dt {
  font-family: var(--font-hand);
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.footer-dl dd {
  margin: 0 0 8px 0;
}

.footer-dl dd a {
  font-size: 0.83rem;
  color: var(--amber-light);
  opacity: 0.8;
  transition: opacity var(--transition), color var(--transition);
  min-height: 28px;
  display: inline-flex;
  align-items: center;
}
.footer-dl dd a:hover { opacity: 1; color: var(--cream); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  border-top: 1px solid var(--dark3);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
  opacity: 0.7;
}

.footer-links {
  font-size: 0.78rem;
}
.footer-links a {
  color: var(--amber-light);
  opacity: 0.7;
  transition: opacity var(--transition);
}
.footer-links a:hover { opacity: 1; }

/* ===== 动效（prefers-reduced-motion 关闭）===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== 移动端 ===== */
@media (max-width: 900px) {
  :root { --nav-w: 0px; }

  .site-header {
    position: sticky;
    top: 0;
    width: 100%;
    height: auto;
    flex-direction: column;
    overflow: visible;
    border-right: none;
    border-bottom: 2px solid var(--dark3);
  }

  .brand-block {
    flex-direction: row;
    align-items: center;
    padding: 12px 16px;
  }

  .brand-name { font-size: 1.1rem; }

  .main-nav {
    flex-direction: row;
    flex-wrap: wrap;
    padding: 4px 8px 8px;
    gap: 2px;
    border-top: 1px solid var(--dark3);
  }

  .nav-link {
    font-size: 0.78rem;
    padding: 10px 12px;
    border-left: none;
    border-bottom: 3px solid transparent;
    min-height: 40px;
  }
  .nav-link:hover, .nav-link.active {
    border-left-color: transparent;
    border-bottom-color: var(--amber);
  }

  .page-wrap { margin-left: 0; }
  .site-footer { margin-left: 0; }

  .main-content { padding: 28px 20px 48px; }

  .hero-block {
    flex-direction: column;
    min-height: auto;
    gap: 24px;
    padding: 0;
    margin-bottom: 40px;
  }

  .hero-media { flex: none; width: 100%; max-width: 320px; margin: 0 auto; }

  .hero-text { align-items: flex-start; }

  .hero-h1 { font-size: 1.7rem; }

  .card-table, .card-table tbody, .card-table tr { display: block; }
  .card-row { display: flex; flex-wrap: wrap; gap: 12px; }
  .card-cell { flex: 0 0 calc(50% - 6px); width: auto; }

  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    gap: 14px;
  }

  .footer-cols {
    flex-direction: column;
    padding: 24px 20px 16px;
    gap: 24px;
  }

  .footer-dl { padding-right: 0; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 20px;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .card-cell { flex: 0 0 100%; }
  .page-h1, .hero-h1 { font-size: 1.45rem; }
  .rank-action-cell { display: none; }
}