/* ==========================================================================
   夜煞云 (Night Fury Cloud) - 紫晶琉璃美学 (Frosted-Amethyst Glassmorphic UI)
   配色系统：暮光深紫 (#311042) -> 绚丽兰粉 (#9d174d) -> 洁白波浪画布 (#ffffff)
   特色：纯原生 CSS、光学玻璃深度、1px 微光高光边框、3D 悬浮视差响应
   ========================================================================== */

:root {
  /* 紫晶玻璃基础色彩 */
  --twilight-deep: #1a0624;
  --twilight-violet: #311042;
  --twilight-dark: #230b30;
  --orchid-magenta: #9d174d;
  --orchid-bright: #c026d3;
  --coral-accent: #f43f5e;
  --cyan-glow: #06b6d4;

  /* 白天模式（默认）变量 */
  --bg-primary: #fbfbfd;
  --bg-secondary: #f4f4f8;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-card-glass: rgba(255, 255, 255, 0.78);
  --bg-nav: rgba(255, 255, 255, 0.85);
  --border-color: rgba(226, 232, 240, 0.9);
  --border-highlight: rgba(157, 23, 77, 0.25);
  --border-glass: rgba(255, 255, 255, 0.4);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --text-on-dark: #ffffff;
  
  /* 品牌紫晶梯度 */
  --brand-primary: #831843;
  --brand-accent: #9d174d;
  --brand-gradient: linear-gradient(135deg, #311042 0%, #701a75 45%, #9d174d 100%);
  --brand-glow: rgba(157, 23, 77, 0.22);
  --hero-bg-gradient: linear-gradient(145deg, #20062b 0%, #311042 40%, #581c87 75%, #831843 100%);
  --wave-color: #fbfbfd;

  /* 阴影与微光 */
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -4px rgba(49, 16, 66, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(49, 16, 66, 0.14), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-glass: 0 20px 50px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  --shadow-button: 0 10px 24px -4px rgba(157, 23, 77, 0.35);

  /* 尺寸与过渡 */
  --max-width: 1240px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 黑夜模式变量 */
[data-theme="dark"] {
  --bg-primary: #0a0410;
  --bg-secondary: #13091c;
  --bg-card: rgba(26, 14, 38, 0.82);
  --bg-card-hover: rgba(38, 20, 56, 0.92);
  --bg-card-glass: rgba(33, 17, 49, 0.75);
  --bg-nav: rgba(16, 6, 26, 0.88);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-highlight: rgba(244, 63, 94, 0.45);
  --border-glass: rgba(255, 255, 255, 0.15);

  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #64748b;
  
  --brand-primary: #d946ef;
  --brand-accent: #f43f5e;
  --brand-gradient: linear-gradient(135deg, #a21caf 0%, #c026d3 50%, #f43f5e 100%);
  --brand-glow: rgba(217, 70, 239, 0.35);
  --hero-bg-gradient: linear-gradient(145deg, #12031a 0%, #20062b 45%, #3b0744 75%, #500724 100%);
  --wave-color: #0a0410;

  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 10px 28px -4px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 24px 48px -10px rgba(0, 0, 0, 0.75);
  --shadow-glass: 0 25px 60px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  --shadow-button: 0 12px 28px -4px rgba(217, 70, 239, 0.45);
}

/* 重置与基准设置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: background-color 0.35s ease, color 0.35s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ==========================================================================
   页眉与导航栏 (Header & Frosted Navigation)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background-color: var(--bg-nav);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

/* 品牌标志 */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 850;
  letter-spacing: -0.5px;
}

.logo-amethyst-gem {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #c026d3 0%, #9d174d 60%, #f43f5e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(157, 23, 77, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.25);
  position: relative;
  overflow: hidden;
}

.logo-amethyst-gem::after {
  content: "";
  position: absolute;
  top: -40%;
  left: -40%;
  width: 180%;
  height: 180%;
  background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.35) 50%, transparent 60%);
  pointer-events: none;
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-text {
  font-size: 1.28rem;
  font-weight: 850;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.brand-subtag {
  font-size: 0.65rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

/* 导航链接目录（包含首页 + 每个板块 + 推荐资讯） */
.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--brand-accent);
  background: rgba(157, 23, 77, 0.06);
}

.nav-badge-pill {
  font-size: 0.72rem;
  padding: 2px 7px;
  background: linear-gradient(135deg, #c026d3, #f43f5e);
  color: #ffffff;
  border-radius: var(--radius-full);
  margin-left: 4px;
  font-weight: 700;
}

/* 导航右侧交互区 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 昼夜切换按钮：高质感透明毛玻璃圆钮 */
.theme-toggle-btn {
  background: var(--bg-card-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  outline: none;
}

.theme-toggle-btn:hover {
  transform: translateY(-2px) scale(1.05);
  border-color: var(--brand-accent);
  box-shadow: 0 6px 18px rgba(157, 23, 77, 0.2);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.icon-moon { display: block; }
.icon-sun { display: none; }

[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun {
  display: block;
  transform: rotate(180deg);
  color: #facc15;
}

/* 导航药丸登录/注册按钮（白底透光高雅胶囊） */
.header-pill-auth {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: #1e1b4b !important;
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
}

.header-pill-auth:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(157, 23, 77, 0.25);
  background: #fdfdfd;
}

/* ==========================================================================
   主视觉区 (Frosted-Amethyst Hero Section)
   ========================================================================== */
.hero-wrapper {
  background: var(--hero-bg-gradient);
  position: relative;
  overflow: hidden;
  padding-top: 50px;
  color: #ffffff;
}

/* 背景紫晶折射几何光球 */
.hero-ambient-sphere {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 1;
}

.sphere-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(192, 38, 211, 0.35) 0%, rgba(157, 23, 77, 0.15) 50%, transparent 70%);
  top: -10%;
  left: 30%;
  animation: floatSphere1 14s ease-in-out infinite alternate;
}

.sphere-2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.3) 0%, rgba(49, 16, 66, 0.1) 60%, transparent 80%);
  bottom: 10%;
  right: -5%;
  animation: floatSphere2 18s ease-in-out infinite alternate;
}

@keyframes floatSphere1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-40px, 30px) scale(1.08); }
}

@keyframes floatSphere2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, -40px) scale(1.05); }
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.28fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding: 50px 0 110px;
  position: relative;
  z-index: 2;
}

/* 左侧宏大文字排版 */
.hero-typography-left {
  text-align: left;
}

.hero-brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  font-size: 0.88rem;
  font-weight: 700;
  color: #fce7f3;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.pulse-dot-amethyst {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f43f5e;
  box-shadow: 0 0 12px #f43f5e;
}

.hero-monumental-title {
  font-size: clamp(2rem, 3.1vw, 2.95rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1.2px;
  margin-bottom: 22px;
  color: #ffffff;
}

.hero-title-nowrap {
  display: block;
  white-space: nowrap;
}

.hero-speed-highlight {
  display: block;
  background: linear-gradient(135deg, #ffffff 0%, #fbcfe8 40%, #f43f5e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-size: clamp(1.6rem, 2.6vw, 2.45rem);
  letter-spacing: -1px;
  margin-top: 8px;
  text-shadow: 0 10px 30px rgba(244, 63, 94, 0.3);
  white-space: nowrap;
}

.hero-brief-desc {
  font-size: 1.18rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-action-row {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* 按钮规范 */
.btn-white-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 36px;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: #311042 !important;
  font-size: 1.08rem;
  font-weight: 800;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.btn-white-solid:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  background: #fdfdfd;
}

.btn-glass-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  font-size: 1.02rem;
  font-weight: 700;
  transition: var(--transition);
}

.btn-glass-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-2px);
}

.hero-trust-row {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  font-weight: 500;
}

.hero-trust-row span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   右侧 3D 悬浮紫晶光学玻璃媒体展示台 (Frosted-Amethyst Media Console Card)
   ========================================================================== */
.hero-glass-showcase {
  perspective: 1200px;
  position: relative;
  display: flex;
  justify-content: center;
}

/* 浮动装饰光球 */
.floating-glass-orb {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.35) 0%, rgba(244, 63, 94, 0.25) 50%, rgba(157, 23, 77, 0.4) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), inset 0 2px 4px rgba(255, 255, 255, 0.6);
  pointer-events: none;
  z-index: 5;
}

.orb-sm {
  width: 48px;
  height: 48px;
  top: -15px;
  left: 20px;
  animation: floatOrb 6s ease-in-out infinite alternate;
}

.orb-lg {
  width: 72px;
  height: 72px;
  bottom: -20px;
  right: 15px;
  animation: floatOrb 8s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% { transform: translateY(0) rotate(0deg); }
  100% { transform: translateY(-16px) rotate(15deg); }
}

/* 核心 3D 琉璃控制台卡片 */
.amethyst-glass-card {
  width: 100%;
  max-width: 480px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.18) 0%, rgba(157, 23, 77, 0.15) 50%, rgba(49, 16, 66, 0.35) 100%);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45), inset 0 1px 2px rgba(255, 255, 255, 0.5);
  transform-style: preserve-3d;
  transition: transform 0.2s cubic-bezier(0.2, 0, 0.2, 1), box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

/* 内部光学焦散流动高光 */
.glass-caustic-sheen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle 350px at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.22) 0%, transparent 70%);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

/* 媒体控制台卡片头部 */
.console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 14px;
}

.console-dots {
  display: flex;
  gap: 7px;
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.console-dot:nth-child(1) { background: #f43f5e; box-shadow: 0 0 6px #f43f5e; }
.console-dot:nth-child(2) { background: #fbbf24; }
.console-dot:nth-child(3) { background: #10b981; }

.console-status-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: #34d399;
  letter-spacing: 0.5px;
}

.console-status-live::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}

/* 速率仪表与遥测 */
.console-telemetry-screen {
  background: rgba(16, 6, 26, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.speed-gauge-wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.speed-gauge-num {
  font-size: 2.8rem;
  font-weight: 900;
  font-family: monospace, system-ui;
  line-height: 1;
  background: linear-gradient(135deg, #ffffff 0%, #f472b6 60%, #f43f5e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.speed-unit {
  font-size: 1.1rem;
  font-weight: 700;
  color: #cbd5e1;
}

.speed-status-sub {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-top: 4px;
}

/* 动态波浪频率条 */
.speed-bar-visual {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 38px;
  margin-top: 14px;
}

.wave-bar {
  flex: 1;
  background: linear-gradient(to top, rgba(157, 23, 77, 0.4), #ec4899);
  border-radius: 2px;
  animation: pulseBar 1.6s ease-in-out infinite alternate;
}

.wave-bar:nth-child(2) { animation-delay: 0.2s; height: 60%; }
.wave-bar:nth-child(3) { animation-delay: 0.4s; height: 90%; }
.wave-bar:nth-child(4) { animation-delay: 0.1s; height: 75%; }
.wave-bar:nth-child(5) { animation-delay: 0.5s; height: 100%; }
.wave-bar:nth-child(6) { animation-delay: 0.3s; height: 85%; }
.wave-bar:nth-child(7) { animation-delay: 0.6s; height: 65%; }
.wave-bar:nth-child(8) { animation-delay: 0.25s; height: 95%; }

@keyframes pulseBar {
  0% { transform: scaleY(0.4); opacity: 0.6; }
  100% { transform: scaleY(1); opacity: 1; }
}

/* 浮动遥测徽章集合 (Hover 时扩展高光透射) */
.telemetry-badges-cluster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.telemetry-badge-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  cursor: pointer;
}

.telemetry-badge-item:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.badge-icon-amethyst {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(192, 38, 211, 0.6), rgba(244, 63, 94, 0.6));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  flex-shrink: 0;
}

.badge-info-title {
  font-size: 0.82rem;
  font-weight: 750;
  color: #ffffff;
  line-height: 1.2;
}

.badge-info-sub {
  font-size: 0.7rem;
  color: #fbcfe8;
}

/* ==========================================================================
   纯白波浪画布过渡 (Clean White Wavy Canvas Transition)
   ========================================================================== */
.hero-wavy-divider {
  position: relative;
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin-top: -2px;
  z-index: 10;
}

.hero-wavy-divider svg {
  position: relative;
  display: block;
  width: calc(100% + 1.3px);
  height: 80px;
}

.hero-wavy-divider .shape-fill {
  fill: var(--wave-color);
  transition: fill 0.35s ease;
}

/* ==========================================================================
   页面各内容板块通用样式
   ========================================================================== */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--brand-accent);
  background: rgba(157, 23, 77, 0.08);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.35rem;
  font-weight: 850;
  line-height: 1.25;
  letter-spacing: -0.8px;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   核心优势卡片 (3 Cards) - 玻璃微光质感
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.feature-glass-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-lg);
}

.feature-glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--brand-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-glass-card:hover::before {
  opacity: 1;
}

.feature-icon-amethyst {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(157, 23, 77, 0.12), rgba(192, 38, 211, 0.15));
  border: 1px solid var(--border-highlight);
  color: var(--brand-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(157, 23, 77, 0.12);
}

.feature-icon-amethyst svg {
  width: 30px;
  height: 30px;
}

.feature-glass-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}

.feature-glass-card p {
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.feature-checklist {
  list-style: none;
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
}

.feature-checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.feature-checklist li svg {
  color: #10b981;
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* ==========================================================================
   流媒体支持展示区 (Streaming Media)
   ========================================================================== */
.streaming-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.streaming-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.streaming-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.streaming-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 14px;
}

.streaming-brand-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.status-pill-green {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
}

.streaming-card h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.streaming-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.streaming-tags-row {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.streaming-tag-badge {
  font-size: 0.74rem;
  padding: 3px 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   AI 生产力大模型支持区 (AI Tools Showcase)
   ========================================================================== */
.ai-showcase-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-md);
}

.ai-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.ai-item-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  transition: var(--transition);
}

.ai-item-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-accent);
  box-shadow: var(--shadow-sm);
}

.ai-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.ai-item-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
}

.ai-item-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.ai-banner-bar {
  margin-top: 30px;
  background: linear-gradient(90deg, rgba(157, 23, 77, 0.08), rgba(192, 38, 211, 0.08));
  border: 1px dashed var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.ai-banner-bar span {
  font-size: 0.92rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ==========================================================================
   真实套餐价格对比表 (参考网上真实机场/加速器套餐定价)
   ========================================================================== */
.pricing-cards-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 42px 32px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.pricing-plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* 热门最畅销套餐 (进阶标准型) 强化样式 */
.pricing-plan-card.featured {
  border: 2px solid var(--brand-accent);
  box-shadow: 0 16px 36px -4px rgba(157, 23, 77, 0.25);
  transform: scale(1.03);
}

.pricing-plan-card.featured:hover {
  transform: scale(1.03) translateY(-6px);
  box-shadow: 0 24px 48px -4px rgba(157, 23, 77, 0.35);
}

.popular-badge-ribbon {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand-gradient);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(157, 23, 77, 0.4);
  letter-spacing: 0.5px;
  white-space: nowrap; /* 严禁换行，保持单行显示 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}

.plan-header-title {
  font-size: 1.45rem;
  font-weight: 850;
  margin-bottom: 8px;
}

.plan-header-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  min-height: 44px;
  line-height: 1.5;
}

.plan-price-block {
  margin: 24px 0;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.plan-currency {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  vertical-align: super;
}

.plan-amount {
  font-size: 3.4rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1;
}

.plan-billing-cycle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-savings-pill {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: rgba(244, 63, 94, 0.12);
  color: #f43f5e;
  font-weight: 700;
  margin-top: 6px;
  white-space: nowrap;
}

.plan-features-ul {
  list-style: none;
  margin-bottom: 32px;
  flex-grow: 1;
}

.plan-features-ul li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.plan-features-ul li svg {
  color: #10b981;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.plan-features-ul li.highlight-item {
  color: var(--text-main);
  font-weight: 700;
}

/* 按钮样式 */
.btn-cta-plan {
  width: 100%;
  padding: 13px 24px;
  font-size: 1rem;
  font-weight: 750;
  border-radius: var(--radius-full);
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-cta-featured {
  background: var(--brand-gradient);
  color: #ffffff !important;
  box-shadow: var(--shadow-button);
}

.btn-cta-featured:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn-cta-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-cta-secondary:hover {
  border-color: var(--brand-accent);
  color: var(--brand-accent);
  transform: translateY(-2px);
}

/* ==========================================================================
   真实用户评价 (Testimonials)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-md);
}

.stars-rating-row {
  color: #f59e0b;
  display: flex;
  gap: 3px;
  margin-bottom: 16px;
}

.stars-rating-row svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-body {
  font-size: 0.96rem;
  color: var(--text-main);
  line-height: 1.7;
  margin-bottom: 24px;
}

.user-profile-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.user-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(157, 23, 77, 0.15), rgba(192, 38, 211, 0.2));
  color: var(--brand-accent);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-title-wrap h5 {
  font-size: 0.98rem;
  font-weight: 800;
}

.user-title-wrap p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   常见问题解答 (FAQ Accordion)
   ========================================================================== */
.faq-box-wrap {
  max-width: 840px;
  margin: 0 auto;
}

.faq-card-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-card-item:hover {
  border-color: var(--border-highlight);
}

.faq-btn-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 26px;
  font-size: 1.08rem;
  font-weight: 750;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  outline: none;
}

.faq-btn-trigger svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-card-item.active .faq-btn-trigger svg {
  transform: rotate(180deg);
  color: var(--brand-accent);
}

.faq-body-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.75;
}

.faq-card-item.active .faq-body-collapse {
  max-height: 500px;
  padding-bottom: 24px;
}

/* ==========================================================================
   呼吁行动横幅 (CTA Banner)
   ========================================================================== */
.cta-banner-wrapper {
  padding: 60px 0 100px;
}

.cta-amethyst-banner {
  background: var(--hero-bg-gradient);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-amethyst-banner h2 {
  font-size: 2.6rem;
  font-weight: 900;
  margin-bottom: 18px;
  letter-spacing: -0.6px;
}

.cta-amethyst-banner p {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 640px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

/* ==========================================================================
   页脚 (Footer - 严格只保留四个标题，打开新窗口)
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 55px 0 35px;
  transition: background-color 0.35s ease;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.footer-nav-link {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.footer-nav-link:hover {
  color: var(--brand-accent);
}

.footer-nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--brand-gradient);
  transition: width 0.25s ease;
}

.footer-nav-link:hover::after {
  width: 100%;
}

.footer-copyright {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-top: 10px;
}

/* ==========================================================================
   子页面统一独立布局样式 (About, Terms, Privacy, Sitemap, News)
   ========================================================================== */
.subpage-container {
  max-width: 900px;
  margin: 40px auto 80px;
  padding: 0 24px;
}

.subpage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
}

.subpage-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.subpage-header h1 {
  font-size: 2.3rem;
  font-weight: 850;
  margin-bottom: 12px;
}

.subpage-header p {
  color: var(--text-muted);
  font-size: 1rem;
}

.subpage-content h2 {
  font-size: 1.45rem;
  font-weight: 800;
  margin: 34px 0 16px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
}

.subpage-content h3 {
  font-size: 1.2rem;
  font-weight: 750;
  margin: 22px 0 12px;
}

.subpage-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.subpage-content ul, .subpage-content ol {
  margin: 14px 0 22px 24px;
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 0.98rem;
}

.subpage-content li {
  margin-bottom: 10px;
}

.highlight-box {
  background: var(--bg-secondary);
  border-left: 4px solid var(--brand-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin: 22px 0;
  font-size: 0.95rem;
  color: var(--text-main);
}

.back-to-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-accent);
  margin-bottom: 24px;
}

.back-to-home:hover {
  text-decoration: underline;
}

/* 推荐资讯文章卡片样式 */
.insights-article-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.insights-article-card:hover {
  border-color: var(--brand-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.insights-tag-time {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 10px;
}

.insights-category {
  padding: 2px 10px;
  background: rgba(157, 23, 77, 0.1);
  color: var(--brand-accent);
  font-weight: 700;
  border-radius: var(--radius-full);
}

.insights-article-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--text-main);
}

/* ==========================================================================
   移动端响应式适配 (@media queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
    padding: 30px 0 80px;
  }
  
  .hero-typography-left {
    text-align: center;
  }
  
  .hero-monumental-title {
    font-size: clamp(1.8rem, 4.2vw, 2.5rem);
  }
  
  .hero-brief-desc {
    margin: 0 auto 30px;
  }
  
  .hero-action-row {
    justify-content: center;
  }
  
  .hero-trust-row {
    justify-content: center;
  }
  
  .features-grid,
  .pricing-cards-container,
  .testimonials-grid,
  .ai-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .streaming-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-plan-card.featured {
    transform: none;
  }
  .pricing-plan-card.featured:hover {
    transform: translateY(-6px);
  }
}

@media (max-width: 768px) {
  .navbar {
    height: 64px;
  }
  
  .nav-links {
    display: none; /* 移动端精简化 */
  }

  .hero-monumental-title {
    font-size: clamp(1.3rem, 5.8vw, 1.95rem);
    letter-spacing: -0.5px;
  }
  
  .hero-speed-highlight {
    font-size: clamp(1.15rem, 5vw, 1.75rem);
  }
  
  .hero-brief-desc {
    font-size: 1.02rem;
    margin-bottom: 24px;
  }
  
  .hero-action-row {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }
  
  .hero-action-row .btn-white-solid,
  .hero-action-row .btn-glass-outline {
    width: 100%;
    min-height: 50px;
  }
  
  .hero-trust-row {
    flex-direction: column;
    gap: 10px;
  }

  .telemetry-badges-cluster {
    grid-template-columns: 1fr;
  }
  
  .features-grid,
  .streaming-grid,
  .ai-cards-grid,
  .pricing-cards-container,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 1.85rem;
  }
  
  .ai-showcase-panel {
    padding: 26px 18px;
  }
  
  .ai-banner-bar {
    flex-direction: column;
    text-align: center;
  }
  
  .pricing-plan-card {
    padding: 34px 22px;
  }
  
  .cta-amethyst-banner {
    padding: 44px 20px;
  }
  
  .cta-amethyst-banner h2 {
    font-size: 1.9rem;
  }
  
  .footer-nav {
    flex-direction: column;
    gap: 20px;
  }
  
  .subpage-card {
    padding: 28px 18px;
  }
  
  .subpage-header h1 {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  .hero-monumental-title {
    font-size: clamp(1.15rem, 5.6vw, 1.45rem);
  }
  .hero-speed-highlight {
    font-size: clamp(1.05rem, 5vw, 1.35rem);
  }
}

/* ==========================================================================
   长篇深度 SEO 文章专用样式 (Article Layout, TOC, Comparison Table, FAQ)
   ========================================================================== */
.article-wrapper {
  max-width: 920px;
  margin: 36px auto 80px;
  padding: 0 24px;
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-light);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.article-breadcrumb a {
  color: var(--text-muted);
  transition: var(--transition);
}

.article-breadcrumb a:hover {
  color: var(--brand-accent);
}

.article-card-main {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 50px 44px;
  box-shadow: var(--shadow-md);
}

.article-meta-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 28px;
  margin-bottom: 34px;
}

.article-meta-tags {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.article-badge {
  padding: 4px 12px;
  background: linear-gradient(135deg, rgba(157, 23, 77, 0.12), rgba(192, 38, 211, 0.15));
  color: var(--brand-accent);
  font-weight: 750;
  font-size: 0.82rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-highlight);
}

.article-date-read {
  font-size: 0.85rem;
  color: var(--text-light);
}

.article-headline {
  font-size: 2.35rem;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.8px;
  margin-bottom: 18px;
  color: var(--text-main);
}

.article-lead-p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-muted);
  background: var(--bg-secondary);
  border-left: 4px solid var(--brand-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 18px 22px;
  margin-top: 18px;
}

/* 目录 (Table of Contents) */
.article-toc-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin: 32px 0 40px;
}

.article-toc-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}

.article-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-toc-list li {
  margin-bottom: 10px;
}

.article-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}

.article-toc-list a:hover {
  color: var(--brand-accent);
  transform: translateX(4px);
}

.article-toc-sub {
  margin-left: 22px;
  margin-top: 6px;
  list-style: none;
}

.article-toc-sub li {
  margin-bottom: 6px;
}

.article-toc-sub a {
  font-size: 0.88rem;
  color: var(--text-light);
}

/* 正文排版 */
.article-body h2 {
  font-size: 1.6rem;
  font-weight: 850;
  margin: 44px 0 18px;
  color: var(--text-main);
  letter-spacing: -0.4px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 28px 0 12px;
  color: var(--text-main);
}

.article-body p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.article-body strong {
  color: var(--text-main);
  font-weight: 750;
}

.article-body ul, .article-body ol {
  margin: 16px 0 24px 26px;
  color: var(--text-muted);
  line-height: 1.85;
  font-size: 1rem;
}

.article-body li {
  margin-bottom: 10px;
}

/* 对比数据表格 */
.table-responsive-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 28px 0 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.article-data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.94rem;
}

.article-data-table th {
  background: var(--bg-secondary);
  color: var(--text-main);
  font-weight: 800;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

.article-data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.article-data-table tr:hover td {
  background: rgba(157, 23, 77, 0.03);
}

/* 相关阅读区域 */
.related-reading-box {
  margin-top: 50px;
  padding-top: 36px;
  border-top: 2px dashed var(--border-color);
}

.related-reading-title {
  font-size: 1.3rem;
  font-weight: 850;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-main);
}

.related-articles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.related-link-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
}

.related-link-card:hover {
  border-color: var(--brand-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

.related-link-card h4 {
  font-size: 1rem;
  font-weight: 750;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
}

.related-link-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .article-card-main {
    padding: 28px 18px;
  }
  .article-headline {
    font-size: 1.75rem;
  }
  .related-articles-grid {
    grid-template-columns: 1fr;
  }
}