@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

/* ===== 变量 ===== */
:root {
  --c-red: #ff0000;
  --c-pink: #ff1493;
  --c-bg: #261717;
  --c-bg2: #1e1010;
  --c-bg3: #2e1a1a;
  --c-glass: rgba(255,255,255,0.06);
  --c-glass-border: rgba(255,100,100,0.18);
  --c-text: #f5e8e8;
  --c-text-muted: rgba(245,232,232,0.6);
  --c-link: #ff6b9d;
  --c-link-hover: #ff1493;
  --radius-card: 28px;
  --radius-btn: 50px;
  --header-h: 64px;
  --max-w: 1200px;
  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --trans: 0.22s cubic-bezier(0.4,0,0.2,1);
}

/* ===== 重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;overflow-x:hidden}
body{
  font-family:var(--font);
  font-size:1rem;
  line-height:1.7;
  color:var(--c-text);
  background:var(--c-bg);
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-link);text-decoration:none;transition:color var(--trans)}
a:hover{color:var(--c-link-hover)}
ul{list-style: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%;
  mix-blend-mode:screen;
  filter:blur(80px);
  opacity:0.35;
}
.a1{
  width:70vw;height:60vh;
  top:-10vh;left:-10vw;
  background:radial-gradient(ellipse at center, #ff0000 0%, #ff1493 40%, transparent 70%);
  animation:auroraMove1 10s ease-in-out infinite alternate;
}
.a2{
  width:60vw;height:55vh;
  bottom:-5vh;right:-10vw;
  background:radial-gradient(ellipse at center, #ff1493 0%, #ff0066 50%, transparent 70%);
  animation:auroraMove2 12s ease-in-out infinite alternate;
}
.a3{
  width:50vw;height:40vh;
  top:30vh;left:30vw;
  background:conic-gradient(from 0deg, #ff000044, #ff149366, #ff000044);
  animation:auroraMove3 9s ease-in-out infinite alternate;
}
@keyframes auroraMove1{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(8vw,6vh) scale(1.12)}
}
@keyframes auroraMove2{
  0%{transform:translate(0,0) scale(1)}
  100%{transform:translate(-6vw,-8vh) scale(1.08)}
}
@keyframes auroraMove3{
  0%{transform:translate(0,0) rotate(0deg) scale(1)}
  100%{transform:translate(-5vw,4vh) rotate(20deg) scale(1.15)}
}
@media(prefers-reduced-motion:reduce){
  .aurora-layer{animation:none}
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:1rem;
  padding:0 1.5rem;
  background:rgba(38,23,23,0.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--c-glass-border);
}
.brand-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  width:44px;
  height:44px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--c-red),var(--c-pink));
  color:#fff;
  font-weight:800;
  font-size:1.1rem;
  text-decoration:none;
  transition:transform var(--trans),box-shadow var(--trans);
}
.brand-icon:hover{
  transform:scale(1.06);
  box-shadow:0 0 18px var(--c-pink);
  color:#fff;
}
.brand-monogram{font-size:1.1rem;font-weight:800;color:#fff;line-height:1}
.brand-logo-img{width:32px;height:32px;border-radius:8px;object-fit:cover}

.top-nav{
  display:flex;
  align-items:center;
  gap:0.25rem;
  flex:1;
  overflow:hidden;
  flex-wrap:nowrap;
}
.nav-link{
  display:flex;
  align-items:center;
  height:40px;
  padding:0 0.7rem;
  border-radius:8px;
  font-size:0.82rem;
  font-weight:600;
  color:var(--c-text-muted);
  white-space:nowrap;
  transition:background var(--trans),color var(--trans);
}
.nav-link:hover{
  background:rgba(255,20,147,0.15);
  color:#fff;
}

.search-form{
  display:flex;
  align-items:center;
  gap:0.3rem;
  flex-shrink:0;
}
.search-input{
  height:40px;
  padding:0 0.9rem;
  border-radius:var(--radius-btn);
  border:1px solid var(--c-glass-border);
  background:rgba(255,255,255,0.07);
  color:var(--c-text);
  font-family:var(--font);
  font-size:0.875rem;
  width:160px;
  transition:border-color var(--trans),width var(--trans);
  outline:none;
}
.search-input:focus{
  border-color:var(--c-pink);
  width:200px;
  box-shadow:0 0 0 3px rgba(255,20,147,0.18);
}
.search-input::placeholder{color:var(--c-text-muted)}
.search-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:50%;
  border:none;
  background:linear-gradient(135deg,var(--c-red),var(--c-pink));
  color:#fff;
  cursor:pointer;
  flex-shrink:0;
  transition:transform var(--trans),box-shadow var(--trans);
}
.search-btn:hover{
  transform:scale(1.08);
  box-shadow:0 0 14px var(--c-pink);
}

/* ===== 主体布局 ===== */
main{
  position:relative;
  z-index:1;
  padding-top:2rem;
  padding-bottom:4rem;
}
.wrap{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 1.5rem;
}

/* ===== Hero 区块（首页） ===== */
.hero-section{
  min-height:70vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:4rem 0;
}
.hero-inner{
  text-align:center;
  max-width:800px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:1.5rem;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:0.75rem;
  justify-content:center;
}
.glow-badge{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 1rem;
  border-radius:50px;
  font-size:0.78rem;
  font-weight:700;
  letter-spacing:0.04em;
  background:rgba(255,0,0,0.2);
  border:1px solid rgba(255,0,0,0.4);
  color:#ff9999;
  box-shadow:0 0 12px rgba(255,0,0,0.3);
  animation:badgePulse 3s ease-in-out infinite;
}
.glow-badge.accent{
  background:rgba(255,20,147,0.2);
  border-color:rgba(255,20,147,0.4);
  color:#ff9fd1;
  box-shadow:0 0 12px rgba(255,20,147,0.3);
  animation-delay:1.5s;
}
@keyframes badgePulse{
  0%,100%{box-shadow:0 0 10px rgba(255,0,0,0.3)}
  50%{box-shadow:0 0 22px rgba(255,0,0,0.55)}
}
@media(prefers-reduced-motion:reduce){
  .glow-badge{animation:none}
}

.hero-h1{
  font-size:clamp(1.8rem,4.5vw,3.2rem);
  font-weight:800;
  line-height:1.2;
  background:linear-gradient(135deg,#fff 30%,#ff9fd1 70%,var(--c-pink));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-desc{
  font-size:1.1rem;
  color:var(--c-text-muted);
  max-width:600px;
  line-height:1.7;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  justify-content:center;
  margin-top:0.5rem;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 2rem;
  border-radius:var(--radius-btn);
  background:linear-gradient(135deg,var(--c-red),var(--c-pink));
  color:#fff;
  font-weight:700;
  font-size:1rem;
  transition:transform var(--trans),box-shadow var(--trans);
  box-shadow:0 4px 20px rgba(255,20,147,0.4);
}
.btn-primary:hover{
  transform:translateY(-2px) scale(1.03);
  box-shadow:0 8px 28px rgba(255,20,147,0.55);
  color:#fff;
}
.btn-secondary{
  display:inline-flex;
  align-items:center;
  height:48px;
  padding:0 2rem;
  border-radius:var(--radius-btn);
  background:rgba(255,255,255,0.08);
  border:1px solid var(--c-glass-border);
  color:var(--c-text);
  font-weight:600;
  font-size:1rem;
  backdrop-filter:blur(8px);
  transition:transform var(--trans),background var(--trans),border-color var(--trans);
}
.btn-secondary:hover{
  transform:translateY(-2px);
  background:rgba(255,20,147,0.15);
  border-color:rgba(255,20,147,0.5);
  color:#fff;
}

/* ===== 内页 Hero（review/compare/ranking/faq/about/privacy） ===== */
.review-hero,
.compare-hero,
.ranking-hero,
.faq-hero,
.about-hero,
.privacy-hero,
.default-hero{
  padding:3rem 0 2rem;
}
.review-hero-inner,
.compare-hero-inner,
.ranking-hero-inner,
.faq-hero-inner,
.about-hero-inner,
.privacy-hero-inner,
.default-hero-inner{
  max-width:800px;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.review-h1,.compare-h1,.ranking-h1,.faq-h1,.about-h1,.privacy-h1{
  font-size:clamp(1.5rem,3.5vw,2.4rem);
  font-weight:800;
  line-height:1.25;
  background:linear-gradient(120deg,#fff,#ffb3d1);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.review-desc,.compare-desc,.ranking-desc,.faq-desc{
  font-size:1rem;
  color:var(--c-text-muted);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:1rem;
  font-size:0.85rem;
  color:var(--c-text-muted);
}
.meta-item time{color:var(--c-link)}

/* ===== 内容 + 侧边栏布局 ===== */
.content-section{
  display:grid;
  grid-template-columns:1fr 280px;
  gap:2rem;
  align-items:start;
  margin-top:2rem;
}
.content-body{
  min-width:0;
}
.sidebar{
  position:sticky;
  top:calc(var(--header-h) + 1rem);
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.sidebar-inner{
  padding:1.25rem;
}
.sidebar-title{
  font-size:0.95rem;
  font-weight:700;
  color:#fff;
  margin-bottom:0.75rem;
  padding-bottom:0.5rem;
  border-bottom:1px solid var(--c-glass-border);
}
.sidebar-links{
  display:flex;
  flex-direction:column;
  gap:0.4rem;
}
.sidebar-links li a{
  display:flex;
  align-items:center;
  min-height:36px;
  padding:0.25rem 0;
  font-size:0.875rem;
  color:var(--c-text-muted);
  transition:color var(--trans),padding-left var(--trans);
  border-bottom:1px solid rgba(255,255,255,0.04);
}
.sidebar-links li a:hover{
  color:var(--c-pink);
  padding-left:0.4rem;
}

/* ===== 玻璃拟态卡片 ===== */
.glass-card{
  background:var(--c-glass);
  border:1px solid var(--c-glass-border);
  border-radius:var(--radius-card);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.glass-card:hover{
  transform:translateY(-4px);
  box-shadow:0 8px 32px rgba(255,20,147,0.2);
  border-color:rgba(255,20,147,0.35);
}
.card-inner{
  padding:1.75rem;
  display:flex;
  flex-direction:column;
  gap:0.75rem;
  height:100%;
}
.card-badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  height:24px;
  padding:0 0.7rem;
  border-radius:50px;
  font-size:0.72rem;
  font-weight:700;
  letter-spacing:0.05em;
  background:rgba(255,20,147,0.2);
  border:1px solid rgba(255,20,147,0.35);
  color:#ff9fd1;
}
.card-date{
  font-size:0.8rem;
  color:var(--c-text-muted);
}
.card-title{
  font-size:1.05rem;
  font-weight:700;
  color:#fff;
  line-height:1.35;
}
.card-desc{
  font-size:0.9rem;
  color:var(--c-text-muted);
  line-height:1.6;
  flex:1;
}
.card-link{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 1.2rem;
  border-radius:var(--radius-btn);
  font-size:0.85rem;
  font-weight:600;
  background:linear-gradient(135deg,rgba(255,0,0,0.3),rgba(255,20,147,0.3));
  border:1px solid rgba(255,20,147,0.35);
  color:#fff;
  transition:background var(--trans),box-shadow var(--trans);
}
.card-link:hover{
  background:linear-gradient(135deg,var(--c-red),var(--c-pink));
  box-shadow:0 4px 16px rgba(255,20,147,0.4);
  color:#fff;
}

/* ===== 卡片网格区块（首页/对比页子列表） ===== */
.cards-section,.compare-list-section{
  margin-top:3rem;
}
.section-heading{
  font-size:1.4rem;
  font-weight:800;
  color:#fff;
  margin-bottom:1.5rem;
}
.cards-section > div,
.compare-list-section > div{
  margin-bottom:1.5rem;
}
/* 卡片网格（cards-section直接子div） */
.cards-section{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1.5rem;
  align-items:start;
}
.cards-section .section-heading{
  grid-column:1/-1;
}
.compare-list-section{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:1.5rem;
}
.compare-list-section .section-heading{
  grid-column:1/-1;
}

/* ===== 排行榜 ===== */
.rank-list{
  margin-top:2rem;
  display:flex;
  flex-direction:column;
  gap:1rem;
}
.rank-item{
  display:flex;
  align-items:flex-start;
  gap:1.25rem;
  padding:1.5rem;
}
.rank-num{
  flex-shrink:0;
  width:48px;
  height:48px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.4rem;
  font-weight:800;
  background:linear-gradient(135deg,var(--c-red),var(--c-pink));
  color:#fff;
  box-shadow:0 4px 14px rgba(255,20,147,0.4);
}
.rank-item:nth-child(2) .rank-num{
  background:linear-gradient(135deg,#cc0000,#cc1070);
}
.rank-item:nth-child(3) .rank-num{
  background:linear-gradient(135deg,#991010,#991050);
}
.rank-content{
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:0.5rem;
}
.rank-title{
  font-size:1rem;
  font-weight:700;
  color:#fff;
}
.rank-desc{
  font-size:0.9rem;
  color:var(--c-text-muted);
  line-height:1.6;
}

/* ===== 正文排版 ===== */
.prose{
  font-size:1rem;
  line-height:1.8;
  color:var(--c-text);
}
.prose h2{
  font-size:1.4rem;
  font-weight:800;
  color:#fff;
  margin:2.5rem 0 1rem;
  padding-bottom:0.5rem;
  border-bottom:2px solid rgba(255,20,147,0.3);
}
.prose h3{
  font-size:1.15rem;
  font-weight:700;
  color:#fff;
  margin:2rem 0 0.75rem;
}
.prose h2 span,.prose h3 span{color:#fff}
.prose p{margin-bottom:1.2rem}
.prose ul,.prose ol{margin:0 0 1.2rem 1.5rem;padding:0}
.prose li{margin-bottom:0.5rem;line-height:1.7}
.prose strong{color:#fff;font-weight:700}
.prose a{color:var(--c-pink);border-bottom:1px solid rgba(255,20,147,0.3);transition:border-color var(--trans)}
.prose a:hover{border-color:var(--c-pink);color:var(--c-pink)}
.prose blockquote{
  border-left:3px solid var(--c-pink);
  margin:1.5rem 0;
  padding:1rem 1.25rem;
  background:rgba(255,20,147,0.07);
  border-radius:0 12px 12px 0;
  color:var(--c-text-muted);
  font-style:italic;
}
.prose table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:0.9rem}
.prose th{background:rgba(255,20,147,0.15);color:#fff;font-weight:700;padding:0.75rem 1rem;text-align:left;border-bottom:1px solid var(--c-glass-border)}
.prose td{padding:0.65rem 1rem;border-bottom:1px solid rgba(255,255,255,0.06);color:var(--c-text-muted)}
.prose tr:hover td{background:rgba(255,255,255,0.03)}
.prose time{color:var(--c-link);font-style:normal}

/* ===== FAQ 特化 ===== */
.faq-prose h2,.faq-prose h3{
  position:relative;
  padding-left:1rem;
}
.faq-prose h2::before,.faq-prose h3::before{
  content:'';
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(to bottom,var(--c-red),var(--c-pink));
  border-radius:2px;
}

/* ===== 页脚 ===== */
footer{
  position:relative;
  z-index:1;
  background:rgba(22,10,10,0.9);
  border-top:1px solid var(--c-glass-border);
  backdrop-filter:blur(12px);
}
footer > article{
  max-width:var(--max-w);
  margin:0 auto;
  padding:0 1.5rem;
}
.footer-nav-section{
  padding-top:1.5rem;
  padding-bottom:1rem;
}
.footer-dl{
  display:flex;
  flex-wrap:wrap;
  gap:0.25rem 0.5rem;
  align-items:center;
}
.footer-dt{
  font-size:0.8rem;
  font-weight:700;
  color:var(--c-text-muted);
  margin-right:0.5rem;
  text-transform:none;
}
.footer-dl dd a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 0.6rem;
  font-size:0.82rem;
  color:var(--c-text-muted);
  border-radius:6px;
  transition:color var(--trans),background var(--trans);
}
.footer-dl dd a:hover{
  color:#fff;
  background:rgba(255,20,147,0.12);
}
.footer-copy-section{
  padding-top:0.75rem;
  padding-bottom:1.25rem;
  border-top:1px solid rgba(255,255,255,0.05);
}
.footer-copy{
  font-size:0.8rem;
  color:var(--c-text-muted);
}
.footer-copy a{color:inherit;opacity:0.7;transition:opacity var(--trans)}
.footer-copy a:hover{opacity:1}

/* ===== Scroll Reveal ===== */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity 0.55s cubic-bezier(0.4,0,0.2,1),transform 0.55s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible{
  opacity:1;
  transform:none;
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .content-section{
    grid-template-columns:1fr;
  }
  .sidebar{
    position:static;
  }
  .top-nav{
    display:none;
  }
}
@media(max-width:640px){
  :root{--header-h:56px}
  .site-header{padding:0 1rem;gap:0.75rem}
  .search-input{width:110px;font-size:0.82rem}
  .search-input:focus{width:140px}
  .hero-section{min-height:60vh;padding:2.5rem 0}
  .hero-h1{font-size:1.6rem}
  .hero-desc{font-size:0.95rem}
  .btn-primary,.btn-secondary{height:44px;padding:0 1.5rem;font-size:0.92rem}
  .wrap{padding:0 1rem}
  .card-inner{padding:1.25rem}
  .cards-section,.compare-list-section{grid-template-columns:1fr}
  .rank-item{flex-direction:column;gap:1rem}
  .rank-num{width:40px;height:40px;font-size:1.1rem}
  footer > article{padding:0 1rem}
  .footer-dl{gap:0.1rem}
  .footer-dl dd a{min-height:44px;padding:0 0.5rem}
}

/* ===== 无障碍 ===== */
:focus-visible{
  outline:2px solid var(--c-pink);
  outline-offset:3px;
  border-radius:4px;
}