/* ==========================================================================
   一元机场 (1yuan-jichang.my) - 冰雪治愈与透明冰晶售票亭设计规范
   色彩：冰淇淋白(#FBFCF8) + 浅冰蓝(#DFF3F5) + 薄荷绿(#38B29C) + 柠檬黄(#F59E0B) + 珊瑚橙(#FF6B6B)
   ========================================================================== */

:root {
  --bg-ice-white: #FBFCF8;
  --bg-ice-light: #DFF3F5;
  --bg-ice-frosted: rgba(255, 255, 255, 0.85);
  --bg-ice-deep: #CEEEF2;
  --ice-glass-border: rgba(255, 255, 255, 0.95);
  --ice-glass-shadow: 0 16px 36px -10px rgba(79, 142, 172, 0.16), 0 0 0 1px rgba(255, 255, 255, 0.8) inset;
  
  --mint-green: #2CB67D;
  --mint-hover: #239666;
  --mint-light: #E7F9F1;
  --lemon-yellow: #FFB703;
  --lemon-soft: #FFF3D6;
  --coral-orange: #FF6B6B;
  --coral-soft: #FFE8E8;
  --ice-blue-primary: #0284C7;
  --ice-blue-deep: #0369A1;
  --ice-blue-soft: #E0F2FE;

  --text-main: #1E293B;
  --text-sub: #475569;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-full: 9999px;
  
  --transition-bounce: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-smooth: all 0.25s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-ice-white);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* 冰块世界背景光晕与雪花微粒 */
.ice-world-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  background: 
    radial-gradient(circle at 10% 20%, rgba(223, 243, 245, 0.7) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(230, 249, 241, 0.6) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(251, 252, 248, 0.9) 0%, rgba(223, 243, 245, 0.3) 100%);
}

#snow-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.65;
}

a {
  color: var(--ice-blue-primary);
  text-decoration: none;
  transition: var(--transition-smooth);
}
a:hover {
  color: var(--ice-blue-deep);
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================= 导航条 Header ================= */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  margin: 0 auto 20px;
  width: calc(100% - 32px);
  max-width: 1240px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--ice-glass-border);
  border-radius: var(--radius-full);
  box-shadow: 0 8px 30px rgba(118, 178, 196, 0.15);
  transition: var(--transition-smooth);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.brand-logo .penguin-mini-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.2);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand-logo:hover .penguin-mini-icon {
  transform: rotate(-12deg) scale(1.1);
}

.brand-logo span.badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mint-green);
  background: var(--mint-light);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
  white-space: nowrap;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-sub);
  padding: 6px 10px;
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--ice-blue-primary);
  background: rgba(223, 243, 245, 0.7);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ================= 冰块软糖按钮 (Gummy Jelly Button) ================= */
.btn-ice-gummy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.8);
  position: relative;
  overflow: hidden;
  transition: var(--transition-bounce);
  user-select: none;
  box-shadow: 0 8px 18px rgba(44, 182, 125, 0.28), 0 2px 4px rgba(0, 0, 0, 0.05), inset 0 2px 0 rgba(255, 255, 255, 0.6);
}

.btn-ice-gummy::before {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
  transform: skewX(-25deg);
  transition: 0.75s ease;
}

.btn-ice-gummy:hover::before {
  left: 140%;
}

.btn-ice-gummy:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 24px rgba(44, 182, 125, 0.35), inset 0 2px 0 rgba(255, 255, 255, 0.8);
}

.btn-ice-gummy:active {
  transform: translateY(2px) scale(0.96);
  box-shadow: 0 3px 8px rgba(44, 182, 125, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background: linear-gradient(135deg, #38d39f 0%, #2CB67D 100%);
  color: #FFFFFF !important;
}

.btn-coral {
  background: linear-gradient(135deg, #FF8E8E 0%, #FF6B6B 100%);
  color: #FFFFFF !important;
  box-shadow: 0 8px 18px rgba(255, 107, 107, 0.28), inset 0 2px 0 rgba(255, 255, 255, 0.6);
}
.btn-coral:hover {
  box-shadow: 0 12px 24px rgba(255, 107, 107, 0.35);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.75);
  color: var(--ice-blue-deep) !important;
  border: 1px solid rgba(2, 132, 199, 0.2);
  box-shadow: 0 6px 14px rgba(118, 178, 196, 0.15), inset 0 2px 0 rgba(255, 255, 255, 0.9);
}
.btn-glass:hover {
  background: #FFFFFF;
  color: var(--ice-blue-primary) !important;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.86rem;
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.1rem;
}

/* 汉堡菜单 (移动端) */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 6px;
}

/* ================= 视觉核心：首屏 Hero Section ================= */
.hero-section {
  padding: 40px 0 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(44, 182, 125, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--mint-green);
  box-shadow: 0 4px 12px rgba(44, 182, 125, 0.1);
  margin-bottom: 20px;
}

.hero-tag .coin-mini {
  width: 18px;
  height: 18px;
  background: var(--lemon-yellow);
  color: #FFFFFF;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 900;
  border: 1px solid #E69500;
}

.hero-title {
  font-size: 3.2rem;
  line-height: 1.2;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #0284C7 0%, #2CB67D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-sub);
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-features-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.pill-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(223, 243, 245, 0.9);
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-sub);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
}

.pill-item svg {
  color: var(--mint-green);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero-notice {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ================= 视觉核心：小企鹅与冰块售票亭插画 ================= */
.hero-visual-card {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
}

.booth-container {
  width: 100%;
  max-width: 500px;
  position: relative;
}

.booth-svg {
  width: 100%;
  height: auto;
  /* 移除模糊的深层阴影滤镜，保持矢量图锐利清爽 */
}

/* 优雅平稳微动效 */
@keyframes floatGentle {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
}

@keyframes blinkEyes {
  0%, 96%, 100% { transform: scaleY(1); }
  98% { transform: scaleY(0.1); }
}

.anim-float {
  animation: floatGentle 5s ease-in-out infinite;
}

.anim-eyes {
  animation: blinkEyes 4.5s ease-in-out infinite;
  transform-origin: center;
}

.penguin-interactive-group {
  /* 移除大幅度旋转和缩放，保持画面清晰稳定 */
}

/* ================= 通用区块标题 ================= */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: var(--ice-blue-soft);
  color: var(--ice-blue-deep);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ================= 核心优势 (Core Advantages) ================= */
.advantages-section {
  padding: 60px 0 80px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--bg-ice-frosted);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--ice-glass-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--ice-glass-shadow);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}

.advantage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--mint-green), #67E8F9);
  opacity: 0;
  transition: var(--transition-smooth);
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 40px -10px rgba(79, 142, 172, 0.25), 0 0 0 1px #FFFFFF inset;
}

.advantage-card:hover::before {
  opacity: 1;
}

.advantage-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--ice-blue-primary);
  font-size: 1.5rem;
  box-shadow: 0 6px 14px rgba(2, 132, 199, 0.15);
}

.advantage-icon-box.green {
  background: linear-gradient(135deg, #E7F9F1 0%, #A7F3D0 100%);
  color: var(--mint-green);
  box-shadow: 0 6px 14px rgba(44, 182, 125, 0.15);
}

.advantage-icon-box.yellow {
  background: linear-gradient(135deg, #FFF3D6 0%, #FDE68A 100%);
  color: #D97706;
  box-shadow: 0 6px 14px rgba(217, 119, 6, 0.15);
}

.advantage-icon-box.coral {
  background: linear-gradient(135deg, #FFE8E8 0%, #FECDD3 100%);
  color: var(--coral-orange);
  box-shadow: 0 6px 14px rgba(255, 107, 107, 0.15);
}

.advantage-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}

.advantage-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ================= 冰晶车票套餐价格 (Pricing Tickets) ================= */
.pricing-section {
  padding: 70px 0 90px;
  background: linear-gradient(180deg, rgba(223, 243, 245, 0.4) 0%, rgba(251, 252, 248, 0.8) 100%);
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: stretch;
}

.ice-ticket {
  background: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-lg);
  padding: 32px 24px 28px;
  position: relative;
  box-shadow: 0 16px 32px rgba(118, 178, 196, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-bounce);
  overflow: hidden;
}

/* 车票打孔与锯齿效果 */
.ice-ticket::before, .ice-ticket::after {
  content: "";
  position: absolute;
  top: 55%;
  width: 22px;
  height: 22px;
  background: var(--bg-ice-white);
  border-radius: 50%;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.08);
}
.ice-ticket::before { left: -11px; }
.ice-ticket::after { right: -11px; }

.ticket-divider {
  position: relative;
  margin: 22px 0;
  border-top: 2px dashed #E2E8F0;
}

.ice-ticket:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 26px 45px rgba(79, 142, 172, 0.25);
}

.ice-ticket.popular {
  border: 2px solid var(--mint-green);
  background: linear-gradient(180deg, #FFFFFF 0%, #F4FCF9 100%);
}

.popular-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: linear-gradient(135deg, #38d39f 0%, #2CB67D 100%);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  box-shadow: 0 3px 8px rgba(44, 182, 125, 0.3);
}

.ticket-header {
  margin-bottom: 16px;
}

.ticket-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ticket-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.ticket-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 18px 0 12px;
}

.ticket-price .currency {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--coral-orange);
}

.ticket-price .amount {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--coral-orange);
  line-height: 1;
}

.ticket-price .period {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 600;
}

.ticket-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.ticket-features li {
  font-size: 0.9rem;
  color: var(--text-sub);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ticket-features li svg {
  color: var(--mint-green);
  flex-shrink: 0;
}

.ticket-action {
  margin-top: auto;
}

/* ================= 漂浮冰面彩色站牌与发光硬币测速滑道 (Interactive Speed Test Track) ================= */
.speedtest-section {
  padding: 70px 0 90px;
  position: relative;
}

.speedtest-console {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border: 1px solid var(--ice-glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 20px 40px rgba(79, 142, 172, 0.16);
}

.track-control-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
  flex-wrap: wrap;
  gap: 16px;
}

.track-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.track-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--mint-light);
  color: var(--mint-green);
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--mint-green);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(44, 182, 125, 0.7);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(44, 182, 125, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(44, 182, 125, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(44, 182, 125, 0); }
}

/* 冰块滑道与彩色站牌 */
.ice-flume-wrapper {
  position: relative;
  background: linear-gradient(180deg, #E0F2FE 0%, #D8F2E8 100%);
  border-radius: var(--radius-md);
  padding: 30px 20px 40px;
  border: 2px solid #BAE6FD;
  box-shadow: inset 0 3px 12px rgba(2, 132, 199, 0.1);
  overflow: hidden;
}

.ice-flume-track {
  position: absolute;
  top: 50%;
  left: 30px;
  right: 30px;
  height: 10px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05), inset 0 1px 3px rgba(0, 0, 0, 0.1);
  transform: translateY(-50%);
  z-index: 1;
}

.sliding-coin-actor {
  position: absolute;
  top: 50%;
  left: 20px;
  width: 36px;
  height: 36px;
  background: radial-gradient(circle at 35% 35%, #FDE68A 0%, #F59E0B 70%, #D97706 100%);
  border-radius: 50%;
  border: 2px solid #FFFBEB;
  box-shadow: 0 0 16px #F59E0B, 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 14px;
  color: #FFFFFF;
  transition: left 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.node-signposts-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.node-signpost {
  background: #FFFFFF;
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 16px 12px;
  text-align: center;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.04);
  transition: var(--transition-bounce);
  position: relative;
  cursor: pointer;
}

.node-signpost.active {
  border-color: var(--mint-green);
  transform: translateY(-6px);
  box-shadow: 0 14px 24px rgba(44, 182, 125, 0.25);
}

.node-flag {
  font-size: 1.8rem;
  margin-bottom: 6px;
  display: block;
}

.node-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.node-type {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.node-ping-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--mint-light);
  color: var(--mint-green);
}

.node-signpost.testing .node-ping-badge {
  background: var(--lemon-soft);
  color: #D97706;
}

/* 测速结果数据卡 */
.speed-details-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.speed-metric-box {
  background: #FFFFFF;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid #E2E8F0;
  text-align: center;
}

.speed-metric-box .metric-val {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--ice-blue-primary);
  margin-bottom: 4px;
}

.speed-metric-box .metric-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ================= 适合人群 (Target Audience) ================= */
.audience-section {
  padding: 70px 0 80px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1px solid rgba(223, 243, 245, 0.9);
  box-shadow: 0 10px 24px rgba(79, 142, 172, 0.08);
  transition: var(--transition-bounce);
}

.audience-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(79, 142, 172, 0.16);
}

.audience-badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--mint-light);
  color: var(--mint-green);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.audience-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.audience-card p {
  font-size: 0.92rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 16px;
}

.audience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.audience-tags span {
  font-size: 0.78rem;
  background: #F1F5F9;
  color: #475569;
  padding: 3px 8px;
  border-radius: 6px;
}

/* ================= Clash / Clash Party 使用教程站 (Tutorial Section) ================= */
.tutorial-section {
  padding: 70px 0 90px;
  background: linear-gradient(180deg, rgba(251, 252, 248, 0.8) 0%, rgba(223, 243, 245, 0.5) 100%);
}

.tutorial-tabs-wrapper {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ice-glass-border);
  box-shadow: var(--ice-glass-shadow);
  padding: 36px;
}

.tutorial-nav-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  background: #F1F5F9;
  border: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-sub);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  background: #E2E8F0;
  color: var(--text-main);
}

.tab-btn.active {
  background: var(--ice-blue-primary);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
}

.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.step-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 24px 20px;
  position: relative;
}

.step-num {
  width: 34px;
  height: 34px;
  background: var(--ice-blue-primary);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: 14px;
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.25);
}

.step-card h4 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-main);
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.tutorial-interactive-box {
  margin-top: 36px;
  background: linear-gradient(135deg, #E0F2FE 0%, #D8F2E8 100%);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.interactive-box-info h4 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 4px;
}

.interactive-box-info p {
  font-size: 0.9rem;
  color: var(--text-sub);
}

.quick-import-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ================= 用户真实评价 (User Reviews) ================= */
.reviews-section {
  padding: 70px 0 80px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid rgba(223, 243, 245, 0.9);
  box-shadow: 0 10px 24px rgba(79, 142, 172, 0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-stars {
  color: var(--lemon-yellow);
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.reviewer-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E0F2FE 0%, #BAE6FD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--ice-blue-deep);
  font-size: 1rem;
}

.reviewer-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.reviewer-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ================= 常见问题 FAQ (FAQ Section) ================= */
.faq-section {
  padding: 70px 0 90px;
  background: linear-gradient(180deg, rgba(223, 243, 245, 0.3) 0%, rgba(251, 252, 248, 0.8) 100%);
}

.faq-search-wrap {
  max-width: 540px;
  margin: 0 auto 36px;
  position: relative;
}

.faq-search-input {
  width: 100%;
  padding: 14px 20px 14px 44px;
  border-radius: var(--radius-full);
  border: 1px solid #CBD5E1;
  background: #FFFFFF;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
  outline: none;
  transition: var(--transition-smooth);
}

.faq-search-input:focus {
  border-color: var(--ice-blue-primary);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.15);
}

.faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.faq-accordion-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid #E2E8F0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--ice-blue-primary);
  box-shadow: 0 8px 24px rgba(2, 132, 199, 0.1);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-question .arrow-icon {
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-question .arrow-icon {
  transform: rotate(180deg);
  color: var(--ice-blue-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 0.95rem;
  color: var(--text-sub);
  line-height: 1.8;
  border-top: 1px solid #F1F5F9;
  padding-top: 14px;
}

/* ================= 精选 SEO 文章目录 (Articles Hub Showcase) ================= */
.articles-section {
  padding: 70px 0 90px;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(223, 243, 245, 0.9);
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(79, 142, 172, 0.08);
  display: flex;
  flex-direction: column;
  transition: var(--transition-bounce);
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 36px rgba(79, 142, 172, 0.18);
}

.article-thumb-cover {
  height: 160px;
  background: linear-gradient(135deg, #DFF3F5 0%, #BAE6FD 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.article-thumb-cover svg {
  width: 64px;
  height: 64px;
  color: var(--ice-blue-deep);
  opacity: 0.85;
  transition: transform 0.4s ease;
}

.article-card:hover .article-thumb-cover svg {
  transform: scale(1.15) rotate(5deg);
}

.article-badge-cat {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.9);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ice-blue-deep);
}

.article-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-date {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
}

.article-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 10px;
}

.article-summary {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.article-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ice-blue-primary);
}

.article-read-more:hover {
  color: var(--ice-blue-deep);
  gap: 10px;
}

/* ================= 底部 CTA 横幅 (Bottom CTA) ================= */
.bottom-cta-section {
  padding: 60px 0 80px;
}

.cta-banner {
  background: linear-gradient(135deg, #0284C7 0%, #2CB67D 100%);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(2, 132, 199, 0.3);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -50px;
  width: 250px;
  height: 250px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.cta-content p {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 620px;
}

/* ================= 页脚 (Footer) ================= */
.site-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 70px 0 30px;
  font-size: 0.9rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand h4 {
  color: #FFFFFF;
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-brand p {
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h5 {
  color: #F8FAFC;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94A3B8;
  transition: var(--transition-smooth);
}

.footer-links a:hover {
  color: #38BDF8;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid #1E293B;
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-links a {
  color: #64748B;
  font-size: 0.85rem;
}
.footer-legal-links a:hover {
  color: #CBD5E1;
}

/* 浮动操作按钮 (Back to top / Floating CTA) */
.floating-ticket-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  box-shadow: 0 10px 25px rgba(44, 182, 125, 0.4);
}

/* 弹窗与二维码模态框 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: 32px;
  text-align: center;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
  animation: modalPop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.9); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-light);
  cursor: pointer;
}

/* ================= 移动端适配 (Responsive) ================= */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-actions, .hero-notice, .hero-features-pills {
    justify-content: center;
  }
  .advantages-grid, .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .node-signposts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .advantages-grid, .pricing-grid, .audience-grid, .reviews-grid, .articles-grid {
    grid-template-columns: 1fr;
  }
  .steps-container {
    grid-template-columns: 1fr;
  }
  .node-signposts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .speed-details-row {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}