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

/* ============================================================
   CSS 自定义属性
   ============================================================ */
:root {
  --c-red: #ff0000;
  --c-pink: #ff1493;
  --c-dark: #261717;
  --c-dark2: #1a0f0f;
  --c-dark3: #321f1f;
  --c-dark4: #3d2020;
  --c-light: #fff5f5;
  --c-muted: #c49090;
  --c-border: rgba(255,20,147,0.25);
  --c-card-bg: rgba(50, 20, 20, 0.85);
  --c-glass: rgba(38,23,23,0.7);

  --font-sans: 'Exo', system-ui, -apple-system, sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  --radius: 10px;
  --nav-h: 48px;
  --brand-h: 64px;
  --header-total: 112px;

  --gradient-aurora: 
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(255,0,0,0.35) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 70%, rgba(255,20,147,0.3) 0%, transparent 60%),
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(38,23,23,0.95) 0%, #261717 100%);

  --gradient-mesh:
    radial-gradient(ellipse 60% 50% at 10% 20%, rgba(255,0,0,0.22) 0%, transparent 55%),
    radial-gradient(ellipse 50% 70% at 90% 80%, rgba(255,20,147,0.2) 0%, transparent 55%),
    radial-gradient(ellipse 70% 40% at 60% 10%, rgba(255,80,80,0.12) 0%, transparent 50%),
    #261717;
}

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

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font-sans);
  background: var(--c-dark);
  color: var(--c-light);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-pink); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--c-red); }
ul { list-style: none; }
h1,h2,h3,h4 { font-family: var(--font-sans); font-weight: 700; line-height: 1.25; }
p { line-height: 1.75; }

/* ============================================================
   极光动效 @keyframes
   ============================================================ */
@keyframes aurora-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes aurora-pulse {
  0%,100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.04); }
}
@keyframes float-up {
  0%   { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes stagger-in {
  0%   { opacity: 0; transform: translateY(18px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes glow-line {
  0%,100% { box-shadow: 0 0 8px 2px var(--c-red); }
  50%      { box-shadow: 0 0 20px 6px var(--c-pink); }
}

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

/* ============================================================
   网格底纹 SVG inline pattern (Aurora mesh bg)
   ============================================================ */
.hero-mesh-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--gradient-mesh);
  background-size: 200% 200%;
  animation: aurora-shift 10s ease-in-out infinite;
}
.hero-mesh-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,20,147,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,20,147,0.07) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(26,15,15,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
}

.brand-row {
  display: flex;
  align-items: center;
  height: var(--brand-h);
  padding: 0 2rem;
  border-bottom: 1px solid rgba(255,20,147,0.12);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-logo {
  height: 40px;
  width: auto;
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 主导航行：nav > p > a */
.main-nav {
  height: var(--nav-h);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }

.main-nav > p {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
  white-space: nowrap;
}

.main-nav > p > a {
  display: inline-flex;
  align-items: center;
  height: var(--nav-h);
  padding: 0 1rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  min-width: 40px;
  justify-content: center;
}
.main-nav > p > a:hover,
.main-nav > p > a[aria-current="page"] {
  color: var(--c-light);
  border-bottom-color: var(--c-red);
}

/* ============================================================
   HERO — 首页满屏
   ============================================================ */
.full-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-img-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-img-layer img,
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(1.4);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: right;
  padding: 4rem 3rem 5rem;
  max-width: 820px;
  margin-left: auto;
  animation: float-up 0.9s ease both;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  background: linear-gradient(135deg, #fff 30%, var(--c-pink) 80%, var(--c-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--c-muted);
  margin-bottom: 2rem;
  max-width: 520px;
  margin-left: auto;
}

.hero-cta-row {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ============================================================
   HERO — 内页小型
   ============================================================ */
.ranking-hero,
.review-hero,
.compare-hero,
.faq-hero,
.about-hero,
.privacy-hero,
.inner-hero {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
  padding: 3rem 2rem 2rem;
}

.ranking-hero-content,
.review-hero-content,
.compare-hero-content,
.faq-hero-content,
.about-hero-content,
.privacy-hero-content,
.inner-hero-content {
  position: relative;
  z-index: 2;
  text-align: right;
  width: 100%;
  animation: float-up 0.7s ease both;
}

.ranking-hero-content h1,
.review-hero-content h1,
.compare-hero-content h1,
.faq-hero-content h1,
.about-hero-content h1,
.privacy-hero-content h1,
.inner-hero-content h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.6rem);
  font-weight: 700;
  background: linear-gradient(135deg, #fff 30%, var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.review-hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.review-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(1.3);
}

.eyebrow-label {
  margin-bottom: 0.5rem;
}
.eyebrow-label span {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--c-pink);
  border: 1px solid rgba(255,20,147,0.4);
  padding: 0.2em 0.75em;
  border-radius: 2px;
}

/* ============================================================
   버튼
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 1.6rem;
  background: linear-gradient(90deg, var(--c-red), var(--c-pink));
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
  transition: filter 0.2s, transform 0.15s;
  box-shadow: 0 0 16px rgba(255,0,0,0.4);
}
.btn-primary:hover { filter: brightness(1.15); transform: translateY(-2px); color: #fff; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 1.6rem;
  background: transparent;
  border: 1.5px solid var(--c-pink);
  color: var(--c-pink);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
  transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: rgba(255,20,147,0.12); color: #fff; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 1.2rem;
  border: 1px solid rgba(255,0,0,0.5);
  color: var(--c-red);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: rgba(255,0,0,0.1); color: var(--c-light); }

/* ============================================================
   MAIN 布局
   ============================================================ */
.page-main {
  min-height: calc(100vh - var(--header-total));
}

/* article > div 三层骨架 */
.home-article,
.ranking-article,
.review-article,
.compare-article,
.faq-article,
.about-article,
.privacy-article,
.page-article {
  display: block;
}

/* 内容+aside 双栏包装 */
.home-content-section,
.ranking-body-wrap,
.review-body-wrap,
.compare-body-wrap,
.faq-body-wrap,
.about-body-wrap,
.privacy-body-wrap,
.article-body-wrap {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  align-items: start;
}

/* ============================================================
   正文容器
   ============================================================ */
.home-content-prose,
.ranking-main,
.review-content,
.compare-content,
.faq-content,
.about-content,
.privacy-content,
.article-content {
  min-width: 0;
}

/* 正文内部排版 */
.home-content-prose h2,
.ranking-main h2,
.review-content h2,
.compare-content h2,
.faq-content h2,
.about-content h2,
.privacy-content h2,
.article-content h2 {
  font-size: 1.4rem;
  color: var(--c-light);
  margin: 2rem 0 0.75rem;
  border-left: 3px solid var(--c-red);
  padding-left: 0.75rem;
}

.home-content-prose h3,
.ranking-main h3,
.review-content h3,
.compare-content h3,
.faq-content h3,
.about-content h3,
.privacy-content h3,
.article-content h3 {
  font-size: 1.1rem;
  color: var(--c-pink);
  margin: 1.5rem 0 0.5rem;
}

.home-content-prose p,
.ranking-main p,
.review-content p,
.compare-content p,
.faq-content p,
.about-content p,
.privacy-content p,
.article-content p {
  margin-bottom: 1rem;
  color: rgba(255,245,245,0.88);
}

.home-content-prose ul,
.review-content ul,
.compare-content ul,
.faq-content ul,
.about-content ul,
.privacy-content ul,
.article-content ul {
  margin: 0.75rem 0 1rem 1.25rem;
  list-style: disc;
}
.home-content-prose ul li,
.review-content ul li,
.compare-content ul li,
.faq-content ul li,
.about-content ul li,
.privacy-content ul li,
.article-content ul li {
  margin-bottom: 0.35rem;
  color: rgba(255,245,245,0.85);
}

.home-content-prose table,
.compare-content table,
.ranking-main table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.home-content-prose th,
.compare-content th,
.ranking-main th {
  background: rgba(255,0,0,0.18);
  color: var(--c-light);
  padding: 0.6rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.home-content-prose td,
.compare-content td,
.ranking-main td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid rgba(255,20,147,0.1);
  color: rgba(255,245,245,0.85);
}

/* ============================================================
   ASIDE
   ============================================================ */
.page-aside {
  position: sticky;
  top: calc(var(--header-total) + 1.5rem);
}

.aside-inner {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(8px);
}

.aside-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--c-red);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}
.aside-title span { display: inline; }

.aside-links { display: flex; flex-direction: column; gap: 0.1rem; }
.aside-links li a {
  display: block;
  padding: 0.45rem 0.6rem;
  font-size: 0.85rem;
  color: var(--c-muted);
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  min-height: 40px;
  display: flex;
  align-items: center;
}
.aside-links li a:hover {
  background: rgba(255,20,147,0.1);
  color: var(--c-light);
}

/* ============================================================
   section-heading
   ============================================================ */
.section-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-light);
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-border);
}
.section-heading span { display: inline; }

/* ============================================================
   首页 — 卡片列表
   ============================================================ */
.home-cards-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 2rem 4rem;
}

.feature-card-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card-list > li { display: block; }

.feature-card {
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-bottom: 3px solid var(--c-red);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: stagger-in 0.5s ease both;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255,0,0,0.22);
}

.card-thumb-wrap { overflow: hidden; height: 160px; }
.card-thumb { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.feature-card:hover .card-thumb { transform: scale(1.05); }

.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}
.card-body h3 {
  font-size: 1rem;
  color: var(--c-light);
  line-height: 1.35;
}
.card-body h3 span { display: inline; }
.card-body p {
  font-size: 0.85rem;
  color: var(--c-muted);
  flex: 1;
}
.card-cta {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  height: 36px;
  padding: 0 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-pink);
  border: 1px solid rgba(255,20,147,0.4);
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.card-cta:hover { background: rgba(255,20,147,0.15); color: #fff; }

/* ============================================================
   首页 内容+aside 区
   ============================================================ */
.home-content-section {
  background: linear-gradient(180deg, rgba(38,23,23,0) 0%, rgba(38,23,23,0.6) 100%);
}

/* ============================================================
   排行榜
   ============================================================ */
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.rank-list > li { display: block; }

.rank-card {
  display: flex;
  gap: 1.25rem;
  background: var(--c-card-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  border-bottom: 3px solid var(--c-red);
  padding: 1.25rem;
  align-items: flex-start;
  transition: transform 0.2s, box-shadow 0.2s;
  animation: stagger-in 0.4s ease both;
}
.rank-card:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 24px rgba(255,0,0,0.18);
}

.rank-num {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--c-red), var(--c-pink));
  border-radius: 8px;
}
.rank-num span {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.rank-body { flex: 1; min-width: 0; }
.rank-body h3 { font-size: 1rem; color: var(--c-light); margin-bottom: 0.35rem; }
.rank-body h3 span { display: inline; }
.rank-body p { font-size: 0.88rem; color: var(--c-muted); margin-bottom: 0.5rem; }
.rank-date { font-size: 0.78rem; color: rgba(255,245,245,0.45); margin-bottom: 0.5rem; }
.rank-link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-pink);
}
.rank-link:hover { color: var(--c-red); }

.ranking-cta-row { margin-top: 2rem; }

/* ============================================================
   评测页
   ============================================================ */
.review-meta,
.compare-meta,
.faq-meta,
.privacy-meta {
  font-size: 0.8rem;
  color: rgba(255,245,245,0.5);
  margin-top: 0.5rem;
}

.pub-date, .mod-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(255,245,245,0.45);
  margin-right: 1rem;
}

.review-bottom-nav,
.compare-bottom-nav,
.faq-bottom-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-border);
}

/* ============================================================
   FAQ 特殊样式
   ============================================================ */
.faq-intro-note {
  background: rgba(255,20,147,0.07);
  border-left: 3px solid var(--c-pink);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0.85rem 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  color: var(--c-muted);
}

/* ============================================================
   About 徽标
   ============================================================ */
.about-logomark {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 1rem;
  margin-left: auto;
  display: block;
}

/* ============================================================
   时间戳
   ============================================================ */
.date-row {
  margin-top: 0.5rem;
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--c-dark2);
  border-top: 1px solid var(--c-border);
  padding: 3rem 2rem 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem 3rem;
  align-items: start;
}

.footer-brand {
  grid-column: 1;
}
.footer-brand span {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--c-red), var(--c-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  display: block;
}

.footer-nav {
  grid-column: 2;
}
.footer-nav > p {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0;
  align-items: flex-start;
}
.footer-nav > p > a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 0.85rem;
  font-size: 0.82rem;
  color: var(--c-muted);
  transition: color 0.2s;
}
.footer-nav > p > a:hover { color: var(--c-pink); }

.footer-copy {
  grid-column: 3;
}
.footer-copy p {
  font-size: 0.78rem;
  color: rgba(255,245,245,0.35);
  line-height: 1.6;
  white-space: nowrap;
}
.footer-copy a { color: rgba(255,20,147,0.6); }
.footer-copy a:hover { color: var(--c-pink); }

/* ============================================================
   h2 > span 内嵌装饰
   ============================================================ */
h2 > span, h3 > span {
  display: inline;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .home-content-section,
  .ranking-body-wrap,
  .review-body-wrap,
  .compare-body-wrap,
  .faq-body-wrap,
  .about-body-wrap,
  .privacy-body-wrap,
  .article-body-wrap {
    grid-template-columns: 1fr 240px;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  :root {
    --brand-h: 56px;
    --nav-h: 44px;
    --header-total: 100px;
  }

  html { font-size: 16px; }

  .brand-row { padding: 0 1rem; }
  .main-nav { padding: 0 0.5rem; }
  .main-nav > p > a { padding: 0 0.65rem; font-size: 0.78rem; }

  .hero-content {
    padding: 2rem 1.25rem 3rem;
    max-width: 100%;
    text-align: right;
  }

  .home-content-section,
  .ranking-body-wrap,
  .review-body-wrap,
  .compare-body-wrap,
  .faq-body-wrap,
  .about-body-wrap,
  .privacy-body-wrap,
  .article-body-wrap {
    grid-template-columns: 1fr;
    padding: 2rem 1.25rem 3rem;
  }

  .page-aside { position: static; }

  .site-footer {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2rem 1.25rem 1.5rem;
  }
  .footer-brand { grid-column: 1; }
  .footer-nav { grid-column: 1; }
  .footer-copy { grid-column: 1; }
  .footer-copy p { white-space: normal; }

  .hero-cta-row { justify-content: flex-end; }

  .ranking-hero,
  .review-hero,
  .compare-hero,
  .faq-hero,
  .about-hero,
  .privacy-hero,
  .inner-hero {
    min-height: 200px;
    padding: 2rem 1.25rem 1.5rem;
  }

  .home-cards-section { padding: 1.5rem 1.25rem 3rem; }

  .feature-card-list {
    grid-template-columns: 1fr;
  }

  .rank-card { flex-direction: column; gap: 0.75rem; }
  .rank-num { width: 44px; height: 44px; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.8rem; }
  .main-nav > p > a { padding: 0 0.5rem; font-size: 0.75rem; }
  .btn-primary, .btn-secondary { height: 44px; }
}

/* ============================================================
   Animation stagger delays for list cards
   ============================================================ */
.feature-card-list > li:nth-child(1) .feature-card { animation-delay: 0.05s; }
.feature-card-list > li:nth-child(2) .feature-card { animation-delay: 0.12s; }
.feature-card-list > li:nth-child(3) .feature-card { animation-delay: 0.19s; }
.feature-card-list > li:nth-child(4) .feature-card { animation-delay: 0.26s; }
.feature-card-list > li:nth-child(5) .feature-card { animation-delay: 0.33s; }
.feature-card-list > li:nth-child(6) .feature-card { animation-delay: 0.40s; }

.rank-list > li:nth-child(1) .rank-card { animation-delay: 0.04s; }
.rank-list > li:nth-child(2) .rank-card { animation-delay: 0.10s; }
.rank-list > li:nth-child(3) .rank-card { animation-delay: 0.16s; }
.rank-list > li:nth-child(4) .rank-card { animation-delay: 0.22s; }
.rank-list > li:nth-child(5) .rank-card { animation-delay: 0.28s; }
.rank-list > li:nth-child(6) .rank-card { animation-delay: 0.34s; }

/* ============================================================
   Aurora 发光线条装饰
   ============================================================ */
.full-hero::after,
.ranking-hero::after,
.review-hero::after,
.compare-hero::after,
.faq-hero::after,
.about-hero::after,
.privacy-hero::after,
.inner-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-red), var(--c-pink), transparent);
  animation: glow-line 8s ease-in-out infinite;
  z-index: 3;
}

/* ============================================================
   Focus styles (accessibility)
   ============================================================ */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--c-pink);
  outline-offset: 3px;
  border-radius: 3px;
}