/* ==========================================================================
   飞兔云 - 全息动漫量子深度视觉设计系统 (style.css)
   设计主题：【时空量子流 · 全息领航员与以太星轨 (Quantum Flux & Cyber Navigator UI)】
   视觉规范：深空苍青底色 · 全息数据青/霓虹紫/晶核金 · 磨砂水晶玻璃态 · 3D视差互动 · 高转化发光组件
   ========================================================================== */

:root {
  /* 基础底色与界面层级 */
  --bg-deep: #070b14;
  --bg-void: #0b1120;
  --bg-surface: rgba(13, 21, 38, 0.84);
  --bg-surface-hover: rgba(19, 31, 56, 0.92);
  --bg-card: rgba(14, 23, 44, 0.75);
  --bg-card-hover: rgba(22, 36, 68, 0.88);
  --bg-card-featured: rgba(18, 29, 58, 0.94);

  /* 文字配色体系 */
  --text-pure: #ffffff;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  /* 核心动漫与全息色彩 */
  --color-cyan: #00f2fe;
  --color-cyan-glow: rgba(0, 242, 254, 0.35);
  --color-azure: #38bdf8;
  --color-azure-glow: rgba(56, 189, 248, 0.3);
  --color-violet: #a855f7;
  --color-violet-glow: rgba(168, 85, 247, 0.35);
  --color-amber: #fbbf24;
  --color-amber-glow: rgba(251, 191, 36, 0.35);
  --color-green: #34d399;
  --color-rose: #f43f5e;

  /* 边框与反射体系 */
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-glow: rgba(56, 189, 248, 0.38);
  --border-violet: rgba(168, 85, 247, 0.38);
  --border-amber: rgba(251, 191, 36, 0.45);

  /* 阴影与微光体系 */
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-glow-cyan: 0 0 28px rgba(0, 242, 254, 0.28);
  --shadow-glow-violet: 0 0 32px rgba(168, 85, 247, 0.28);
  --shadow-glow-button: 0 0 24px rgba(56, 189, 248, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.4);

  /* 排版与几何常数 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --container-max: 1180px;
  --header-height: 72px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* 重置与通用盒模型 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background-color: var(--bg-deep);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.68;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  position: relative;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--color-azure);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

a:hover {
  color: var(--color-cyan);
  text-shadow: 0 0 8px var(--color-cyan-glow);
}

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-cyan);
  outline-offset: 3px;
}

ul, ol {
  list-style: none;
}

/* 容器版心 */
.c-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   全息动漫环境背景层 (Ambient Quantum Space)
   ========================================================================== */
.c-ambient-stage {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.c-ambient-nebula {
  position: absolute;
  top: -25%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: 
    radial-gradient(circle at 18% 15%, rgba(56, 189, 248, 0.14) 0%, transparent 48%),
    radial-gradient(circle at 82% 28%, rgba(168, 85, 247, 0.16) 0%, transparent 52%),
    radial-gradient(circle at 50% 75%, rgba(0, 242, 254, 0.1) 0%, transparent 55%),
    radial-gradient(circle at 75% 80%, rgba(251, 191, 36, 0.08) 0%, transparent 45%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-void) 100%);
  filter: blur(50px);
  animation: nebulaBreathe 18s ease-in-out infinite alternate;
}

@keyframes nebulaBreathe {
  0% { transform: scale(1) translate(0, 0); opacity: 0.85; }
  100% { transform: scale(1.06) translate(-2%, 2%); opacity: 1; }
}

.c-ambient-grid {
  position: absolute;
  bottom: 0;
  left: -50%;
  width: 200%;
  height: 55%;
  background-image: 
    linear-gradient(to right, rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  transform: perspective(600px) rotateX(68deg);
  transform-origin: bottom center;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 85%);
}

.c-ambient-sparks {
  position: absolute;
  inset: 0;
}

.c-spark {
  position: absolute;
  bottom: -20px;
  width: 3px;
  height: 3px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 8px #00f2fe, 0 0 16px #38bdf8;
  animation: sparkRise linear infinite;
}

@keyframes sparkRise {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  20% { opacity: 0.9; }
  80% { opacity: 0.8; }
  100% { transform: translateY(-110vh) scale(1.2); opacity: 0; }
}

/* ==========================================================================
   按钮体系 (高转化发光与触控反馈)
   ========================================================================== */
.c-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 12px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  user-select: none;
}

.c-btn--primary {
  background: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #7c3aed 100%);
  background-size: 200% 200%;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: var(--shadow-glow-button);
}

.c-btn--primary:hover {
  background-position: 100% 100%;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 32px rgba(56, 189, 248, 0.7), inset 0 1px 1px rgba(255, 255, 255, 0.6);
  color: #ffffff;
}

.c-btn--primary:active {
  transform: translateY(0) scale(0.98);
}

/* 光泽扫过流光 (Shimmer Sweep) */
.c-btn--glow::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.45), transparent);
  transform: rotate(25deg);
  animation: buttonShimmer 3.8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes buttonShimmer {
  0% { left: -60%; }
  30%, 100% { left: 140%; }
}

.c-btn--secondary {
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.c-btn--secondary:hover {
  background: rgba(30, 41, 69, 0.9);
  border-color: var(--color-azure);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.25);
}

.c-btn--sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.c-btn--lg {
  padding: 15px 34px;
  font-size: 1.05rem;
}

.c-btn--block {
  width: 100%;
}

/* 点击水波纹效果 */
.c-click-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: rippleSpread 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes rippleSpread {
  to {
    transform: scale(3.5);
    opacity: 0;
  }
}

/* ==========================================================================
   头部导航 (Header & Navigation)
   ========================================================================== */
.c-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.16);
}

.c-header__inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.c-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-pure);
  position: relative;
}

.c-logo__glow {
  position: absolute;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-cyan);
  filter: blur(16px);
  opacity: 0.35;
  pointer-events: none;
}

.c-logo__icon {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 8px rgba(0, 242, 254, 0.4));
}

.c-logo__text-group {
  display: flex;
  flex-direction: column;
}

.c-logo__text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.c-logo__tagline {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-azure);
  letter-spacing: 0.12em;
}

.c-nav {
  display: none;
}

.c-nav__list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.c-nav__link {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 600;
  padding: 6px 4px;
  position: relative;
}

.c-nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet));
  transition: width 0.25s ease;
}

.c-nav__link:hover {
  color: #ffffff;
}

.c-nav__link:hover::after, .c-nav__link[aria-current="page"]::after {
  width: 100%;
}

.c-nav__link[aria-current="page"] {
  color: var(--color-cyan);
}

.c-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.c-header__status-indicator {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

@media (min-width: 1100px) {
  .c-header__status-indicator {
    display: inline-flex;
  }
}

.c-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-green);
  box-shadow: 0 0 8px var(--color-green);
  animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.c-status-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-green);
  letter-spacing: 0.04em;
}

.c-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 7px;
  cursor: pointer;
}

.c-nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 1px;
}

@media (min-width: 960px) {
  .c-nav {
    display: block;
  }
  .c-nav-toggle {
    display: none;
  }
}

/* 移动端菜单抽屉 */
.c-mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 200;
  visibility: hidden;
  transition: visibility 0.25s;
}

.c-mobile-nav.is-open {
  visibility: visible;
}

.c-mobile-nav__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.c-mobile-nav.is-open .c-mobile-nav__backdrop {
  opacity: 1;
}

.c-mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: 290px;
  height: 100%;
  background: rgba(11, 18, 33, 0.96);
  backdrop-filter: blur(16px);
  border-left: 1px solid var(--border-glow);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
}

.c-mobile-nav.is-open .c-mobile-nav__panel {
  transform: translateX(0);
}

.c-mobile-nav__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.c-mobile-nav__close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-main);
  padding: 4px;
}

.c-mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.c-mobile-nav__link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.c-mobile-nav__link:hover {
  background: rgba(56, 189, 248, 0.12);
  color: var(--color-cyan);
}

.c-mobile-nav__action {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   HERO 区块 (全息领航员角色舞台)
   ========================================================================== */
.c-hero {
  position: relative;
  z-index: 1;
  padding: 64px 0 80px 0;
  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
}

.c-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 960px) {
  .c-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.c-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-bottom: 22px;
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.15);
}

.c-hero__badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  animation: statusPulse 1.8s infinite;
}

.c-hero__title {
  font-size: 2.35rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

@media (min-width: 640px) {
  .c-hero__title {
    font-size: 3rem;
  }
}

.c-hero__title-accent {
  background: linear-gradient(135deg, #ffffff 15%, var(--color-cyan) 60%, var(--color-violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.35));
}

.c-hero__desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 34px;
  max-width: 580px;
}

.c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

/* 实时 HUD 数据诊断卡片群 */
.c-hero__hud-deck {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
}

@media (min-width: 560px) {
  .c-hero__hud-deck {
    grid-template-columns: repeat(4, 1fr);
  }
}

.c-hud-stat {
  background: rgba(15, 23, 44, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease;
}

.c-hud-stat:hover {
  border-color: var(--border-glow);
  transform: translateY(-2px);
  background: rgba(22, 36, 68, 0.85);
}

.c-hud-stat__val {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
  font-family: var(--font-sans);
}

.c-hud-stat__val--cyan {
  color: var(--color-cyan);
  text-shadow: 0 0 10px var(--color-cyan-glow);
}

.c-hud-stat__val--violet {
  color: #c084fc;
  text-shadow: 0 0 10px var(--color-violet-glow);
}

.c-hud-stat__val--amber {
  color: var(--color-amber);
  text-shadow: 0 0 10px var(--color-amber-glow);
}

.c-hud-stat__val--green {
  color: var(--color-green);
  text-shadow: 0 0 10px rgba(52, 211, 153, 0.35);
}

.c-hud-stat__label {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   动漫领航员交互舞台 (Mascot Stage & Interactive HUD)
   ========================================================================== */
.c-hero__mascot-stage {
  perspective: 1000px;
  display: flex;
  justify-content: center;
  position: relative;
}

.c-mascot-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: radial-gradient(circle at 50% 40%, rgba(20, 32, 60, 0.85) 0%, rgba(10, 16, 32, 0.95) 100%);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 32px rgba(56, 189, 248, 0.2);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  cursor: pointer;
  outline: none;
}

.c-mascot-card:hover {
  border-color: var(--color-cyan);
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.7), 0 0 44px rgba(0, 242, 254, 0.35);
}

/* 全息星盘轨道环 (Astrolabe Rings) */
.c-mascot-rings {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.c-mascot-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.c-mascot-ring--outer {
  width: 380px;
  height: 380px;
  border: 1px dashed rgba(56, 189, 248, 0.28);
  animation: ringRotateClockwise 28s linear infinite;
}

.c-mascot-ring--inner {
  width: 280px;
  height: 280px;
  border: 1px solid rgba(168, 85, 247, 0.25);
  animation: ringRotateCounter 20s linear infinite;
}

.c-mascot-radar {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 320px;
  height: 320px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(0, 242, 254, 0.12) 0deg, transparent 60deg, transparent 360deg);
  animation: ringRotateClockwise 8s linear infinite;
}

@keyframes ringRotateClockwise {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes ringRotateCounter {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* 角色立绘包装 */
.c-mascot-img-wrap {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(8, 14, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 20px rgba(0, 242, 254, 0.15);
}

.c-mascot-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  animation: mascotFloat 5s ease-in-out infinite;
}

@keyframes mascotFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.c-mascot-card:hover .c-mascot-img {
  transform: scale(1.03) translateY(-4px);
}

.c-mascot-glare {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* 实时全息诊断视窗 (Glass HUD) */
.c-mascot-hud-glass {
  position: relative;
  z-index: 3;
  margin-top: 14px;
  background: rgba(11, 19, 36, 0.88);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.c-mascot-hud-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.825rem;
}

.c-mascot-hud-tag {
  color: var(--color-cyan);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.c-mascot-hud-txt {
  color: var(--text-main);
  font-weight: 600;
}

.c-mascot-hud-ping {
  color: var(--color-green);
  font-weight: 800;
  text-shadow: 0 0 8px var(--color-green);
}

.c-mascot-hud-progress {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin-top: 8px;
  overflow: hidden;
}

.c-mascot-hud-bar {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-violet), var(--color-cyan));
  background-size: 200% 100%;
  animation: hudScan 2.5s linear infinite;
}

@keyframes hudScan {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

/* 领航员互动对话气泡 (Dialogue Bubble) */
.c-mascot-dialogue {
  position: relative;
  z-index: 3;
  margin-top: 12px;
  background: rgba(18, 28, 54, 0.95);
  border: 1px solid rgba(168, 85, 247, 0.35);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: all 0.25s ease;
}

.c-mascot-card:hover .c-mascot-dialogue {
  border-color: var(--color-cyan);
  background: rgba(22, 35, 68, 0.98);
}

.c-mascot-dialogue__speaker {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-violet);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 2px;
}

.c-mascot-dialogue__msg {
  font-size: 0.85rem;
  color: var(--text-main);
  line-height: 1.45;
  margin: 0;
}

/* ==========================================================================
   模块通用排版与样式 (Sections)
   ========================================================================== */
.c-section {
  position: relative;
  z-index: 1;
  padding: 84px 0;
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
}

.c-section--alt {
  background: rgba(9, 15, 28, 0.75);
}

.c-section-header {
  max-width: 680px;
  margin-bottom: 52px;
}

.c-section-header--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.c-section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-cyan);
  letter-spacing: 0.14em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.c-section-title {
  font-size: 2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.c-section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* 鼠标跟随卡片高光 */
.c-card-glow {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(56, 189, 248, 0.12), transparent 40%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.c-benefit-card:hover .c-card-glow,
.c-feature-card:hover .c-card-glow,
.c-pricing-card:hover .c-card-glow,
.c-scenario-card:hover .c-card-glow {
  opacity: 1;
}

/* ==========================================================================
   线路优势 (Benefits)
   ========================================================================== */
.c-benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 768px) {
  .c-benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.c-benefit-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.c-benefit-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 24px rgba(56, 189, 248, 0.2);
}

.c-benefit-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.3));
}

.c-benefit-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.c-benefit-card__desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   核心特性 (Features)
   ========================================================================== */
.c-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .c-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .c-features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.c-feature-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.c-feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.2);
}

.c-feature-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.35);
  border-radius: var(--radius-sm);
  color: #c084fc;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.3));
}

.c-feature-card__title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.c-feature-card__desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   流媒体支持与 AI 工具 (Badges Grid)
   ========================================================================== */
.c-badge-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 640px) {
  .c-badge-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .c-badge-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.c-badge-card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.c-badge-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5), 0 0 18px rgba(0, 242, 254, 0.2);
}

.c-badge-card__icon {
  width: 34px;
  height: 34px;
  color: var(--color-cyan);
  filter: drop-shadow(0 0 8px var(--color-cyan-glow));
}

.c-badge-card__name {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.c-badge-card__desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   套餐方案 (Pricing Cards & Rotating Beam)
   ========================================================================== */
.c-pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}

@media (min-width: 860px) {
  .c-pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.c-pricing-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.c-pricing-card:hover {
  transform: translateY(-8px);
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.6), 0 0 32px rgba(56, 189, 248, 0.25);
}

/* 热门推荐卡 (Featured Rotating Beam) */
.c-pricing-card--featured {
  background: var(--bg-card-featured);
  border: 1px solid rgba(56, 189, 248, 0.45);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6), 0 0 36px rgba(56, 189, 248, 0.3);
}

@media (min-width: 860px) {
  .c-pricing-card--featured {
    transform: scale(1.04);
  }
  .c-pricing-card--featured:hover {
    transform: scale(1.04) translateY(-8px);
  }
}

.c-pricing-card__badge-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  transform: translateY(-50%);
}

.c-pricing-card__badge {
  background: linear-gradient(90deg, #0284c7, #2563eb, #a855f7);
  color: #ffffff;
  font-size: 0.775rem;
  font-weight: 800;
  padding: 4px 18px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
  letter-spacing: 0.05em;
}

.c-pricing-card__tier {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 8px;
}

.c-pricing-card__audience {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.c-pricing-card__price-box {
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: baseline;
}

.c-pricing-card__currency {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-cyan);
  margin-right: 4px;
}

.c-pricing-card__amount {
  font-size: 2.85rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  font-family: var(--font-sans);
  text-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
}

.c-pricing-card__period {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-left: 8px;
}

.c-pricing-card__features {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 34px;
  flex-grow: 1;
}

.c-pricing-card__feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-main);
}

.c-pricing-card__feature-icon {
  width: 18px;
  height: 18px;
  color: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 3px;
  filter: drop-shadow(0 0 6px var(--color-cyan));
}

/* ==========================================================================
   使用场景卡 (Scenarios)
   ========================================================================== */
.c-scenarios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .c-scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .c-scenarios-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.c-scenario-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.c-scenario-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.2);
}

.c-scenario-card__header {
  margin-bottom: 16px;
}

.c-scenario-card__title {
  font-size: 1.18rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.c-scenario-card__device {
  display: inline-block;
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--color-cyan);
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.25);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

.c-scenario-card__desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   常见问题解答 (FAQ Accordion)
   ========================================================================== */
.c-faq-list {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.c-faq-item {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
}

.c-faq-item:hover, .c-faq-item[open] {
  border-color: var(--border-glow);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 16px rgba(56, 189, 248, 0.15);
}

.c-faq-item__summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  user-select: none;
  list-style: none;
}

.c-faq-item__summary::-webkit-details-marker {
  display: none;
}

.c-faq-item__icon {
  width: 20px;
  height: 20px;
  color: var(--color-azure);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.c-faq-item[open] .c-faq-item__icon {
  transform: rotate(180deg);
  color: var(--color-cyan);
}

.c-faq-item__content {
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 18px;
}

/* ==========================================================================
   FINAL CTA 转化区
   ========================================================================== */
.c-final-cta {
  position: relative;
  z-index: 1;
  padding: 84px 0;
  background: radial-gradient(circle at 50% 50%, rgba(20, 32, 64, 0.75) 0%, rgba(8, 12, 22, 0.95) 100%);
  border-bottom: 1px solid rgba(56, 189, 248, 0.15);
  text-align: center;
}

.c-final-cta__inner {
  max-width: 660px;
  margin-left: auto;
  margin-right: auto;
}

.c-final-cta__avatar-pulse {
  display: inline-block;
  position: relative;
  margin-bottom: 20px;
}

.c-final-cta__avatar {
  border-radius: 50%;
  border: 2px solid var(--color-cyan);
  box-shadow: 0 0 20px var(--color-cyan-glow);
}

.c-final-cta__title {
  font-size: 2.15rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.c-final-cta__sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ==========================================================================
   页脚 (Footer)
   ========================================================================== */
.c-footer {
  position: relative;
  z-index: 1;
  background: rgba(5, 8, 15, 0.92);
  border-top: 1px solid rgba(56, 189, 248, 0.1);
  padding: 52px 0 36px 0;
  margin-top: auto;
}

.c-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-bottom: 34px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
  .c-footer__inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.c-footer__brand {
  max-width: 380px;
}

.c-footer__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 12px;
  line-height: 1.65;
}

.c-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.c-footer__link {
  font-size: 0.925rem;
  color: var(--text-main);
}

.c-footer__link:hover {
  color: var(--color-cyan);
}

.c-footer__bottom {
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .c-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.c-footer__disclosure {
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   移动端吸底 CTA 栏 (带动漫领航员头像)
   ========================================================================== */
.c-mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(8, 14, 28, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(56, 189, 248, 0.35);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.6);
  padding: 10px 16px;
  z-index: 90;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: none;
}

.c-mobile-sticky-cta.is-visible {
  transform: translateY(0);
}

.c-mobile-sticky-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.c-mobile-sticky-cta__avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.c-mobile-sticky-cta__avatar {
  border-radius: 50%;
  border: 1.5px solid var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan-glow);
}

.c-mobile-sticky-cta__avatar-badge {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-green);
  border: 2px solid #080e1c;
}

.c-mobile-sticky-cta__text {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  overflow: hidden;
}

.c-mobile-sticky-cta__title {
  font-size: 0.925rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.c-mobile-sticky-cta__sub {
  font-size: 0.725rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 768px) {
  .c-mobile-sticky-cta {
    display: block;
  }
  body {
    padding-bottom: 68px;
  }
}

/* ==========================================================================
   文章页与指南索引页样式 (Article & Guides)
   ========================================================================== */
.c-breadcrumb {
  position: relative;
  z-index: 1;
  padding: 18px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.c-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.c-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.c-breadcrumb__sep {
  color: var(--border-subtle);
}

/* 指南卡片网格 (zhinan.html) */
.c-guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 640px) {
  .c-guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .c-guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.c-guide-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-glass);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.c-guide-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 24px rgba(56, 189, 248, 0.25);
}

.c-guide-card__thumb {
  width: 100%;
  height: 140px;
  background: rgba(11, 19, 36, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-cyan);
  filter: drop-shadow(0 0 12px var(--color-cyan-glow));
}

.c-guide-card__meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.c-guide-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.4;
  margin-bottom: 12px;
}

.c-guide-card__excerpt {
  font-size: 0.925rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
  flex-grow: 1;
}

/* 文章正文页 (Article Detail) */
.c-article-layout {
  position: relative;
  z-index: 1;
  padding: 40px 0 84px 0;
}

.c-article-header {
  max-width: 820px;
  margin-bottom: 38px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border-subtle);
}

.c-article-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.c-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.c-article-lead {
  font-size: 1.125rem;
  color: var(--text-main);
  line-height: 1.75;
  padding: 22px 26px;
  background: rgba(14, 23, 44, 0.75);
  border-left: 4px solid var(--color-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.c-article-content {
  max-width: 820px;
}

.c-article-content h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 48px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(56, 189, 248, 0.2);
}

.c-article-content h3 {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-top: 30px;
  margin-bottom: 14px;
}

.c-article-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 22px;
  color: var(--text-main);
}

.c-article-content ul, .c-article-content ol {
  margin-bottom: 26px;
  padding-left: 24px;
}

.c-article-content ul {
  list-style: disc;
}

.c-article-content ol {
  list-style: decimal;
}

.c-article-content li {
  font-size: 1.025rem;
  line-height: 1.75;
  margin-bottom: 10px;
  color: var(--text-main);
}

/* 文章内对比表格 */
.c-table-wrap {
  overflow-x: auto;
  margin: 32px 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(11, 18, 33, 0.75);
}

.c-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.c-table th, .c-table td {
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.c-table th {
  background: rgba(18, 29, 56, 0.85);
  font-weight: 700;
  color: #ffffff;
}

.c-table tr:last-child td {
  border-bottom: none;
}

/* 文章提示框与小结 */
.c-callout {
  background: rgba(14, 24, 46, 0.8);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm);
  padding: 22px 24px;
  margin: 32px 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.c-callout__title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-cyan);
  margin-bottom: 10px;
}

.c-callout__desc {
  font-size: 0.975rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* 文章文末 CTA */
.c-article-cta {
  background: radial-gradient(circle at 50% 50%, rgba(20, 32, 64, 0.85) 0%, rgba(10, 16, 32, 0.95) 100%);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 38px 28px;
  margin-top: 52px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 28px rgba(56, 189, 248, 0.2);
}

.c-article-cta__title {
  font-size: 1.55rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.c-article-cta__desc {
  font-size: 0.975rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

/* 站内互链卡片 */
.c-internal-links {
  margin-top: 44px;
  padding: 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.c-internal-links__title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
}

.c-internal-links__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.c-internal-links__link {
  font-size: 0.95rem;
  color: var(--color-azure);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.c-internal-links__link:hover {
  color: var(--color-cyan);
}

/* ==========================================================================
   合规与政策页面专用样式 (About / Privacy / Terms / Disclaimer / Sitemap)
   ========================================================================== */
.c-policy-layout {
  position: relative;
  z-index: 1;
  padding: 48px 0 84px 0;
}

.c-policy-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-glass);
}

@media (max-width: 640px) {
  .c-policy-card {
    padding: 28px 20px;
  }
}

.c-policy-card h1 {
  font-size: 2.15rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.c-policy-card__meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.c-policy-card h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-top: 36px;
  margin-bottom: 16px;
}

.c-policy-card p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-main);
  margin-bottom: 18px;
}

.c-policy-card ul {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 22px;
}

.c-policy-card li {
  font-size: 0.975rem;
  line-height: 1.7;
  margin-bottom: 10px;
  color: var(--text-main);
}

/* Sitemap 导航列表 */
.c-sitemap-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 28px;
}

@media (min-width: 640px) {
  .c-sitemap-sections {
    grid-template-columns: repeat(2, 1fr);
  }
}

.c-sitemap-box {
  background: rgba(11, 18, 33, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 24px;
}

.c-sitemap-box__title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-cyan);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.c-sitemap-box__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.c-sitemap-box__link {
  font-size: 0.95rem;
  color: var(--color-azure);
}

.c-sitemap-box__link:hover {
  color: var(--color-cyan);
}

/* ==========================================================================
   无障碍与减少动效 (prefers-reduced-motion)
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .c-ambient-nebula, .c-spark, .c-mascot-radar, .c-mascot-ring--outer, .c-mascot-ring--inner, .c-mascot-img {
    animation: none !important;
  }
}