/* ============================================================
   花云机场官网 — 全站样式
   风格：浅色系 + 科技淡粉色 + 动态点缀
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* ── 设计变量 ── */
:root {
  --pink:        #FF5FA0;
  --pink-light:  #FFE8F3;
  --pink-mid:    #FFB3D1;
  --pink-dark:   #E0397A;
  --pink-glow:   rgba(255,95,160,.18);
  --pink-glow-sm:rgba(255,95,160,.08);

  --purple:      #B297FF;
  --purple-light:#EDE8FF;
  --cyan:        #5ED0FA;

  --bg:          #FDFAFC;
  --bg-alt:      #FFF5F9;
  --bg-card:     #FFFFFF;
  --bg-glass:    rgba(255,255,255,.72);

  --text:        #1A1A2E;
  --text-sub:    #4A4A6A;
  --text-muted:  #8B8BA7;

  --border:      #F0E0EB;
  --border-card: #FFD6E8;

  --shadow-sm:   0 2px 8px  rgba(255,95,160,.07);
  --shadow-md:   0 6px 24px rgba(255,95,160,.11);
  --shadow-lg:   0 12px 48px rgba(255,95,160,.16);
  --shadow-hover:0 18px 60px rgba(255,95,160,.24);

  --font:        'Inter','Noto Sans SC',system-ui,sans-serif;

  --r-sm:  8px;
  --r-md:  14px;
  --r-lg:  22px;
  --r-xl:  32px;
  --r-full:9999px;

  --ease:  cubic-bezier(.4,0,.2,1);
  --t:     .28s;
}

/* ── 重置 ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--pink);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--pink-dark)}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:var(--font)}

/* ── 通用工具 ── */
.container{width:min(1180px,94%);margin-inline:auto}
.section{padding:80px 0}
.section-sm{padding:48px 0}
.text-center{text-align:center}
.text-pink{color:var(--pink)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;
  background:var(--pink-light);
  color:var(--pink-dark);
  border-radius:var(--r-full);
  font-size:.78rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;
}
.tag{
  display:inline-block;
  padding:3px 10px;
  background:var(--pink-light);
  color:var(--pink-dark);
  border-radius:var(--r-full);
  font-size:.75rem;font-weight:500;
  margin:2px;
}

/* ── 标题系统 ── */
.section-label{
  font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--pink);margin-bottom:12px;display:block;
}
.section-title{
  font-size:clamp(1.8rem,4vw,2.8rem);
  font-weight:800;line-height:1.2;
  color:var(--text);margin-bottom:14px;
}
.section-title span{
  background:linear-gradient(135deg,var(--pink),var(--purple));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.section-desc{
  font-size:1.05rem;color:var(--text-sub);
  max-width:600px;margin-inline:auto;
}

/* ── 按钮 ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 32px;border-radius:var(--r-full);
  font-size:1rem;font-weight:600;letter-spacing:.02em;
  transition:all var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--pink),var(--pink-dark));
  color:#fff;
  box-shadow:0 4px 20px var(--pink-glow);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 32px rgba(255,95,160,.38);
}
.btn-outline{
  border:2px solid var(--pink);
  color:var(--pink);
  background:transparent;
}
.btn-outline:hover{
  background:var(--pink-light);
  transform:translateY(-2px);
}
.btn-lg{padding:16px 40px;font-size:1.08rem}
.btn-sm{padding:9px 22px;font-size:.9rem}

/* ── 导航 ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:0 0;
  transition:all var(--t) var(--ease);
}
.nav.scrolled{
  background:var(--bg-glass);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-sm);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.22rem;font-weight:800;color:var(--text);
}
.nav-logo .logo-icon{
  width:36px;height:36px;
  background:linear-gradient(135deg,var(--pink),var(--purple));
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1rem;font-weight:900;
}
.nav-links{
  display:flex;align-items:center;gap:4px;
}
.nav-links a{
  padding:8px 16px;
  color:var(--text-sub);
  font-size:.95rem;font-weight:500;
  border-radius:var(--r-full);
  transition:all var(--t) var(--ease);
}
.nav-links a:hover{color:var(--pink);background:var(--pink-light)}
.nav-cta{display:flex;align-items:center;gap:12px}
.hamburger{
  display:none;
  flex-direction:column;justify-content:space-between;
  width:24px;height:18px;cursor:pointer;
}
.hamburger span{
  display:block;height:2px;width:100%;
  background:var(--text);border-radius:2px;
  transition:all var(--t) var(--ease);
}

/* ── 移动菜单 ── */
.mobile-menu{
  display:none;
  position:fixed;top:68px;left:0;right:0;z-index:99;
  background:var(--bg-glass);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:20px;
  flex-direction:column;gap:8px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:12px 20px;color:var(--text-sub);
  border-radius:var(--r-md);font-weight:500;
  transition:all var(--t) var(--ease);
}
.mobile-menu a:hover{color:var(--pink);background:var(--pink-light)}

/* ── Hero ── */
.hero{
  min-height:100vh;
  display:flex;align-items:center;
  padding-top:88px;
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#FDFAFC 0%,#FFF0F7 50%,#F5EAFF 100%);
}
#hero-canvas{
  position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.7;
}
.hero-deco{
  position:absolute;pointer-events:none;
  border-radius:50%;filter:blur(80px);opacity:.22;
}
.hero-deco-1{
  width:600px;height:600px;
  background:radial-gradient(circle,var(--pink),transparent);
  top:-200px;right:-100px;
}
.hero-deco-2{
  width:400px;height:400px;
  background:radial-gradient(circle,var(--purple),transparent);
  bottom:-100px;left:-80px;
}
.hero-content{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr 1fr;
  align-items:center;gap:60px;
  padding:60px 0;
}
.hero-left{}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--bg-glass);
  border:1px solid var(--border-card);
  padding:6px 18px;border-radius:var(--r-full);
  font-size:.82rem;font-weight:600;color:var(--pink-dark);
  backdrop-filter:blur(8px);
  margin-bottom:24px;
  animation:fadeInDown .6s var(--ease) both;
}
.hero-badge::before{content:'✦';animation:spin 3s linear infinite}
.hero-title{
  font-size:clamp(2rem,5vw,3.4rem);
  font-weight:800;line-height:1.15;
  color:var(--text);
  margin-bottom:20px;
  animation:fadeInUp .7s var(--ease) .1s both;
}
.hero-title .grad{
  background:linear-gradient(135deg,var(--pink) 0%,var(--purple) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{
  font-size:1.08rem;color:var(--text-sub);
  line-height:1.8;margin-bottom:36px;
  animation:fadeInUp .7s var(--ease) .2s both;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;
  animation:fadeInUp .7s var(--ease) .3s both;
}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:20px;
  animation:fadeInUp .7s var(--ease) .4s both;
}
.trust-item{
  display:flex;align-items:center;gap:8px;
  font-size:.88rem;color:var(--text-sub);font-weight:500;
}
.trust-icon{
  width:30px;height:30px;background:var(--pink-light);
  border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-size:.9rem;
}

.hero-right{
  display:flex;justify-content:center;align-items:center;
  animation:fadeInRight .8s var(--ease) .2s both;
}
.hero-card{
  background:var(--bg-glass);
  border:1px solid var(--border-card);
  border-radius:var(--r-xl);
  padding:32px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow-lg);
  width:100%;max-width:380px;
}
.hero-card-title{
  font-size:1.1rem;font-weight:700;color:var(--text);
  margin-bottom:20px;display:flex;align-items:center;gap:8px;
}
.plan-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;
  background:var(--bg);
  border-radius:var(--r-md);
  margin-bottom:10px;
  border:1px solid var(--border);
  transition:all var(--t) var(--ease);
  cursor:pointer;
}
.plan-item:hover{border-color:var(--pink-mid);background:var(--pink-light);transform:translateX(4px)}
.plan-item.featured{
  background:linear-gradient(135deg,var(--pink-light),var(--purple-light));
  border-color:var(--pink-mid);
}
.plan-name{font-size:.9rem;font-weight:600;color:var(--text)}
.plan-traffic{font-size:.8rem;color:var(--text-muted)}
.plan-price{font-size:1rem;font-weight:800;color:var(--pink)}
.hero-card-footer{
  margin-top:18px;padding-top:16px;
  border-top:1px solid var(--border);
  text-align:center;
}

/* ── 统计条 ── */
.stats-bar{
  background:linear-gradient(135deg,var(--pink),var(--pink-dark));
  padding:28px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;text-align:center;
}
.stat-item{
  padding:8px 20px;
  border-right:1px solid rgba(255,255,255,.2);
}
.stat-item:last-child{border-right:none}
.stat-num{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;color:#fff;line-height:1.1;
}
.stat-label{
  font-size:.82rem;color:rgba(255,255,255,.8);margin-top:4px;
}

/* ── 特色卡片 ── */
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:24px;
  margin-top:48px;
}
.feature-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:32px 28px;
  transition:all var(--t) var(--ease);
  position:relative;overflow:hidden;
}
.feature-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--pink),var(--purple));
  transform:scaleX(0);transition:transform var(--t) var(--ease);
  transform-origin:left;
}
.feature-card:hover{
  border-color:var(--pink-mid);
  box-shadow:var(--shadow-hover);
  transform:translateY(-6px);
}
.feature-card:hover::before{transform:scaleX(1)}
.feature-icon{
  width:52px;height:52px;
  background:linear-gradient(135deg,var(--pink-light),var(--purple-light));
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.5rem;margin-bottom:20px;
}
.feature-title{font-size:1.08rem;font-weight:700;color:var(--text);margin-bottom:10px}
.feature-desc{font-size:.92rem;color:var(--text-sub);line-height:1.7}

/* ── 套餐定价 ── */
.pricing-section{background:var(--bg-alt)}
.pricing-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:24px;
  margin-top:48px;
}
.pricing-card{
  background:var(--bg-card);
  border:2px solid var(--border);
  border-radius:var(--r-xl);
  padding:36px 28px;
  text-align:center;
  transition:all var(--t) var(--ease);
  position:relative;overflow:hidden;
}
.pricing-card.popular{
  border-color:var(--pink);
  box-shadow:var(--shadow-lg);
  transform:scale(1.04);
}
.popular-badge{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--pink),var(--purple));
  color:#fff;
  font-size:.75rem;font-weight:700;letter-spacing:.06em;
  padding:5px 20px;
  border-radius:0 0 var(--r-md) var(--r-md);
}
.pricing-card:hover:not(.popular){
  border-color:var(--pink-mid);
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.pricing-card.popular:hover{
  box-shadow:var(--shadow-hover);
  transform:scale(1.04) translateY(-4px);
}
.pricing-name{
  font-size:.88rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-muted);margin-bottom:8px;
}
.pricing-title{font-size:1.1rem;font-weight:800;color:var(--text);margin-bottom:18px}
.pricing-price{
  font-size:clamp(2.2rem,4vw,3rem);font-weight:900;
  color:var(--pink);line-height:1;margin-bottom:4px;
}
.pricing-price sup{font-size:1.1rem;font-weight:700;vertical-align:top;margin-top:8px;margin-right:2px}
.pricing-price span{font-size:1rem;font-weight:500;color:var(--text-muted)}
.pricing-period{font-size:.85rem;color:var(--text-muted);margin-bottom:6px}
.pricing-traffic{
  font-size:.92rem;font-weight:600;color:var(--text-sub);
  background:var(--pink-light);
  display:inline-block;padding:4px 14px;border-radius:var(--r-full);
  margin-bottom:24px;
}
.pricing-features{text-align:left;margin-bottom:28px}
.pricing-features li{
  display:flex;align-items:center;gap:10px;
  padding:8px 0;
  border-bottom:1px solid var(--border);
  font-size:.92rem;color:var(--text-sub);
}
.pricing-features li::before{content:'✓';color:var(--pink);font-weight:700;flex-shrink:0}
.pricing-card .btn{width:100%}

/* ── 适合人群 ── */
.audience-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;margin-top:48px;
}
.audience-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px 24px;text-align:center;
  transition:all var(--t) var(--ease);
}
.audience-card:hover{
  border-color:var(--pink-mid);
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.audience-icon{font-size:2.4rem;margin-bottom:14px}
.audience-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:8px}
.audience-desc{font-size:.88rem;color:var(--text-sub)}

/* ── 文章列表 ── */
.articles-section{background:var(--bg-alt)}
.articles-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(320px,1fr));
  gap:24px;margin-top:48px;
}
.article-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:28px 24px;
  transition:all var(--t) var(--ease);
  display:flex;flex-direction:column;
}
.article-card:hover{
  border-color:var(--pink-mid);
  box-shadow:var(--shadow-hover);
  transform:translateY(-5px);
}
.article-meta{
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
  flex-wrap:wrap;
}
.article-cat{
  font-size:.75rem;font-weight:600;letter-spacing:.06em;
  color:var(--pink-dark);background:var(--pink-light);
  padding:3px 10px;border-radius:var(--r-full);
}
.article-time{font-size:.78rem;color:var(--text-muted)}
.article-title{
  font-size:1.05rem;font-weight:700;color:var(--text);
  margin-bottom:10px;line-height:1.4;
  flex:1;
}
.article-desc{font-size:.88rem;color:var(--text-sub);line-height:1.6;margin-bottom:16px}
.article-footer{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--border);
}
.article-read{
  font-size:.85rem;font-weight:600;color:var(--pink);
  display:flex;align-items:center;gap:4px;
}
.article-mins{font-size:.8rem;color:var(--text-muted)}

/* ── FAQ 折叠 ── */
.faq-section{}
.faq-list{margin-top:48px;max-width:800px;margin-inline:auto}
.faq-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color var(--t) var(--ease);
}
.faq-item.open{border-color:var(--pink-mid)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;cursor:pointer;
  font-size:.98rem;font-weight:600;color:var(--text);
  user-select:none;
}
.faq-question:hover{color:var(--pink)}
.faq-arrow{
  width:22px;height:22px;
  background:var(--pink-light);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--pink);font-size:.7rem;flex-shrink:0;
  transition:transform var(--t) var(--ease);
}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height .4s var(--ease);
}
.faq-answer-inner{
  padding:0 24px 20px;
  font-size:.94rem;color:var(--text-sub);line-height:1.8;
}
.faq-item.open .faq-answer{max-height:400px}

/* ── CTA 区块 ── */
.cta-section{
  background:linear-gradient(135deg,var(--pink) 0%,var(--pink-dark) 40%,var(--purple) 100%);
  padding:80px 0;text-align:center;position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-content{position:relative;z-index:1}
.cta-title{
  font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;
  color:#fff;margin-bottom:14px;
}
.cta-desc{font-size:1.05rem;color:rgba(255,255,255,.85);margin-bottom:36px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.btn-white{
  background:#fff;color:var(--pink);
}
.btn-white:hover{background:#fff;color:var(--pink-dark);transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.btn-ghost{
  border:2px solid rgba(255,255,255,.6);
  color:#fff;background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}

/* ── 页脚 ── */
.footer{
  background:#1A1A2E;
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;padding-bottom:48px;
}
.footer-brand{}
.footer-logo{
  font-size:1.3rem;font-weight:800;color:#fff;
  display:flex;align-items:center;gap:10px;margin-bottom:16px;
}
.footer-logo .logo-icon{
  width:32px;height:32px;
  background:linear-gradient(135deg,var(--pink),var(--purple));
  border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;font-weight:900;color:#fff;
}
.footer-tagline{font-size:.92rem;line-height:1.7;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.social-btn{
  width:36px;height:36px;
  background:rgba(255,255,255,.08);border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;color:rgba(255,255,255,.6);
  transition:all var(--t) var(--ease);
}
.social-btn:hover{background:var(--pink);color:#fff}
.footer-col-title{
  font-size:.88rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#fff;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:.88rem;color:rgba(255,255,255,.6);
  transition:color var(--t) var(--ease);
}
.footer-links a:hover{color:var(--pink-mid)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
}
.footer-copy{font-size:.82rem;color:rgba(255,255,255,.4)}
.footer-legal{display:flex;gap:16px}
.footer-legal a{font-size:.82rem;color:rgba(255,255,255,.4);transition:color var(--t) var(--ease)}
.footer-legal a:hover{color:var(--pink-mid)}

/* ── 文章页面 ── */
.article-hero{
  background:linear-gradient(160deg,var(--bg) 0%,var(--bg-alt) 100%);
  padding:120px 0 60px;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:.85rem;color:var(--text-muted);
  margin-bottom:24px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-muted);transition:color var(--t) var(--ease)}
.breadcrumb a:hover{color:var(--pink)}
.breadcrumb span{color:var(--text-muted)}
.article-page-title{
  font-size:clamp(1.6rem,4vw,2.6rem);font-weight:800;
  color:var(--text);line-height:1.25;margin-bottom:16px;
}
.article-page-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-size:.88rem;color:var(--text-muted);
}
.article-page-meta .dot::before{content:'·'}

.article-layout{
  display:grid;grid-template-columns:1fr 300px;
  gap:40px;padding:48px 0 80px;align-items:start;
}
.article-body{
  font-size:1.02rem;line-height:1.85;color:var(--text-sub);
}
.article-body h2{
  font-size:1.45rem;font-weight:800;color:var(--text);
  margin:40px 0 16px;padding-bottom:10px;
  border-bottom:2px solid var(--border);
  position:relative;
}
.article-body h2::after{
  content:'';position:absolute;left:0;bottom:-2px;
  width:48px;height:2px;background:var(--pink);
}
.article-body h3{
  font-size:1.15rem;font-weight:700;color:var(--text);
  margin:28px 0 12px;
}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{
  margin:16px 0 16px 20px;
}
.article-body li{margin-bottom:8px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body strong{color:var(--text);font-weight:700}
.article-body a{
  color:var(--pink);
  border-bottom:1px solid var(--pink-light);
  transition:all var(--t) var(--ease);
}
.article-body a:hover{border-color:var(--pink)}
.article-body .tip-box{
  background:var(--pink-light);border-left:4px solid var(--pink);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 20px;margin:24px 0;
}
.article-body .tip-box p{margin:0;font-size:.95rem}
.article-body .code-block{
  background:#1A1A2E;color:#e0e0e0;
  border-radius:var(--r-md);
  padding:20px 24px;margin:20px 0;
  font-family:monospace;font-size:.9rem;
  overflow-x:auto;line-height:1.7;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;
}
.article-body th{
  background:var(--pink-light);color:var(--pink-dark);
  font-size:.88rem;font-weight:700;padding:10px 16px;text-align:left;
}
.article-body td{
  padding:10px 16px;border-bottom:1px solid var(--border);
  font-size:.92rem;color:var(--text-sub);
}
.article-body tr:hover td{background:var(--bg-alt)}

/* 文章侧栏 */
.article-sidebar{
  position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;
}
.sidebar-widget{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:22px;
}
.sidebar-widget-title{
  font-size:.88rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-muted);margin-bottom:14px;
  padding-bottom:10px;border-bottom:1px solid var(--border);
}
.sidebar-links{display:flex;flex-direction:column;gap:8px}
.sidebar-links a{
  display:flex;align-items:center;gap:8px;
  font-size:.88rem;color:var(--text-sub);padding:6px 0;
  border-bottom:1px solid var(--border);
  transition:color var(--t) var(--ease);
}
.sidebar-links a:last-child{border-bottom:none}
.sidebar-links a:hover{color:var(--pink)}
.sidebar-cta-widget{
  background:linear-gradient(135deg,var(--pink-light),var(--purple-light));
  border-color:var(--pink-mid);
}
.sidebar-cta-widget .sidebar-widget-title{color:var(--pink-dark)}
.sidebar-cta-text{font-size:.88rem;color:var(--text-sub);margin-bottom:14px;line-height:1.6}
.sidebar-cta-widget .btn{width:100%;justify-content:center}

/* ── 相关文章 ── */
.related-section{
  background:var(--bg-alt);padding:60px 0;
}
.related-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:20px;margin-top:32px;
}
.related-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-md);padding:20px;
  transition:all var(--t) var(--ease);
}
.related-card:hover{
  border-color:var(--pink-mid);transform:translateY(-3px);box-shadow:var(--shadow-md);
}
.related-cat{font-size:.72rem;font-weight:600;color:var(--pink-dark);background:var(--pink-light);padding:2px 8px;border-radius:var(--r-full);margin-bottom:8px;display:inline-block}
.related-title{font-size:.96rem;font-weight:700;color:var(--text);line-height:1.4}
.related-title a{color:inherit}
.related-title a:hover{color:var(--pink)}

/* ── 教程页 / FAQ页 通用内容页 ── */
.page-hero{
  background:linear-gradient(160deg,var(--bg) 0%,var(--bg-alt) 100%);
  padding:120px 0 64px;text-align:center;
}
.page-hero .section-title{font-size:clamp(1.8rem,4vw,2.8rem)}
.content-section{padding:64px 0}
.toc-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:20px;margin-top:40px;
}
.toc-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px;
  transition:all var(--t) var(--ease);
  display:flex;align-items:flex-start;gap:16px;
}
.toc-card:hover{border-color:var(--pink-mid);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.toc-num{
  width:36px;height:36px;flex-shrink:0;
  background:linear-gradient(135deg,var(--pink),var(--purple));
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:.9rem;font-weight:800;color:#fff;
}
.toc-info{}
.toc-title{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:4px}
.toc-title a{color:inherit;transition:color var(--t) var(--ease)}
.toc-title a:hover{color:var(--pink)}
.toc-desc{font-size:.84rem;color:var(--text-muted)}

/* 隐私/条款 内容 */
.legal-content{
  max-width:820px;margin-inline:auto;padding:64px 0 80px;
}
.legal-content h2{
  font-size:1.3rem;font-weight:700;color:var(--text);
  margin:36px 0 14px;
}
.legal-content h3{font-size:1.05rem;font-weight:700;margin:24px 0 10px}
.legal-content p{font-size:.96rem;color:var(--text-sub);line-height:1.8;margin-bottom:14px}
.legal-content ul{margin:12px 0 14px 20px}
.legal-content li{font-size:.95rem;color:var(--text-sub);margin-bottom:8px;list-style:disc}
.legal-updated{
  font-size:.85rem;color:var(--text-muted);
  background:var(--bg-alt);padding:12px 18px;border-radius:var(--r-md);
  margin-bottom:32px;border-left:3px solid var(--pink);
}

/* ── 动画 ── */
@keyframes fadeInUp{
  from{opacity:0;transform:translateY(24px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes fadeInDown{
  from{opacity:0;transform:translateY(-16px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes fadeInRight{
  from{opacity:0;transform:translateX(30px)}
  to{opacity:1;transform:translateX(0)}
}
@keyframes spin{
  from{transform:rotate(0)}
  to{transform:rotate(360deg)}
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}
@keyframes pulse-ring{
  0%{transform:scale(1);opacity:.5}
  100%{transform:scale(1.5);opacity:0}
}
@keyframes shimmer{
  0%{background-position:-200% 0}
  100%{background-position:200% 0}
}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(32px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:none}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* 浮动动画 */
.float-anim{animation:float 4s ease-in-out infinite}

/* ── 响应式 ── */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{position:static}
}
@media(max-width:768px){
  .nav-links,.nav-cta .btn{display:none}
  .hamburger{display:flex}
  .hero-content{grid-template-columns:1fr;gap:40px;text-align:center;padding:40px 0}
  .hero-right{display:none}
  .hero-actions,.hero-trust{justify-content:center}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-card.popular{transform:none}
  .pricing-card.popular:hover{transform:translateY(-4px)}
  .section{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:540px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .articles-grid{grid-template-columns:1fr}
}

/* ── 代码步骤样式 ── */
.step-list{counter-reset:step-counter;list-style:none;margin:0}
.step-list li{
  counter-increment:step-counter;
  display:flex;gap:14px;margin-bottom:20px;
  align-items:flex-start;
}
.step-list li::before{
  content:counter(step-counter);
  width:28px;height:28px;flex-shrink:0;
  background:linear-gradient(135deg,var(--pink),var(--purple));
  border-radius:50%;color:#fff;font-size:.82rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.step-content{font-size:.96rem;color:var(--text-sub);line-height:1.7}
.step-content strong{color:var(--text)}

/* ── 比较表格 ── */
.compare-table{width:100%;border-collapse:collapse;margin:28px 0}
.compare-table th{
  background:linear-gradient(135deg,var(--pink),var(--purple));
  color:#fff;padding:12px 18px;font-size:.88rem;font-weight:700;text-align:center;
}
.compare-table th:first-child{text-align:left}
.compare-table td{padding:10px 18px;border-bottom:1px solid var(--border);font-size:.9rem;color:var(--text-sub);text-align:center}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--text)}
.compare-table tr:hover td{background:var(--bg-alt)}
.compare-table .highlight-row td{background:var(--pink-light);font-weight:600}
.compare-table .check{color:var(--pink);font-weight:700}
.compare-table .cross{color:#ccc}

/* ── 页内进度条 ── */
.reading-progress{
  position:fixed;top:0;left:0;width:0%;height:3px;z-index:200;
  background:linear-gradient(90deg,var(--pink),var(--purple));
  transition:width .1s linear;
}