/* ====================================================================
   LinkCube绿叶 (linkcube.blog) 核心样式表
   全景视觉系统：Cyber-Nature Aurora Bento & Dynamic Nebula (动态极光微晶与数码魔方)
   特点：流星粒子光效、流光扫过按钮、高饱和多彩标签、不对称便当盒网格、纯原生轻量 CSS3
   ==================================================================== */

:root {
  /* 炫彩色彩体系 */
  --bg-page: #f0f7f5;
  --bg-page-alt: #f7faf9;
  --bg-surface: #ffffff;
  --bg-surface-glass: rgba(255, 255, 255, 0.92);
  --bg-card-subtle: #e6f4f1;
  --bg-card-glow: rgba(16, 185, 129, 0.08);

  /* 品牌核心与流光渐变 */
  --primary: #059669;          /* 科技祖母绿 */
  --primary-hover: #047857;
  --primary-glow: #10b981;
  --primary-light: #d1fae5;

  --accent-cyan: #06b6d4;     /* 极光青 */
  --accent-blue: #2563eb;     /* 数码钴蓝 */
  --accent-violet: #7c3aed;   /* 极客紫 */
  --accent-pink: #ec4899;     /* 霓虹粉 */
  --accent-amber: #f59e0b;    /* 太阳金 */

  /* 动态渐变集 */
  --grad-aurora: linear-gradient(135deg, #059669 0%, #06b6d4 50%, #2563eb 100%);
  --grad-aurora-hover: linear-gradient(135deg, #047857 0%, #0891b2 50%, #1d4ed8 100%);
  --grad-sunset: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
  --grad-violet: linear-gradient(135deg, #7c3aed 0%, #06b6d4 100%);
  --grad-card-hero: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(240,253,250,0.9) 60%, rgba(236,253,245,0.95) 100%);

  /* 文字体系 (高对比度) */
  --text-main: #061a14;
  --text-secondary: #1a3830;
  --text-muted: #4e6b62;

  /* 边框体系 */
  --border-subtle: #d2e4de;
  --border-glow: #a7f3d0;
  --border-card: #bde0d5;

  /* 阴影体系 */
  --shadow-sm: 0 2px 6px rgba(6, 26, 20, 0.04);
  --shadow-bento: 0 8px 24px -4px rgba(6, 26, 20, 0.08), 0 2px 6px -1px rgba(6, 26, 20, 0.04);
  --shadow-hover: 0 16px 36px -6px rgba(5, 150, 105, 0.2), 0 4px 12px -2px rgba(6, 26, 20, 0.06);
  --shadow-glow-primary: 0 0 24px rgba(16, 185, 129, 0.35);

  /* 几何尺寸与圆角 */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --max-width: 1180px;
  --header-height: 72px;

  /* 系统字体栈 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* 基础重置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  /* 炫彩极光微晶背景纹理 (0 网络请求) */
  background-image: 
    radial-gradient(circle at 8% 12%, rgba(16, 185, 129, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 92% 18%, rgba(6, 182, 212, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 50% 60%, rgba(124, 58, 237, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 15% 85%, rgba(245, 158, 11, 0.07) 0%, transparent 40%),
    url("data:image/svg+xml,%3Csvg width='36' height='36' viewBox='0 0 36 36' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23059669' fill-opacity='0.035'%3E%3Cpath d='M18 0l18 18-18 18L0 18z'/%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 76px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--primary-hover);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid var(--primary-glow);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ====================================================================
   全站导航栏 (Header)
   ==================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  height: var(--header-height);
  transition: all 0.2s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.logo-cube, .logo-leaf {
  width: 36px;
  height: 36px;
  background: var(--grad-aurora);
  color: #ffffff;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
  animation: logoPulse 4s infinite ease-in-out;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 2px 6px rgba(16,185,129,0.3)); }
  50% { transform: scale(1.04); filter: drop-shadow(0 4px 12px rgba(6,182,212,0.45)); }
}

.nav-menu {
  display: none;
}

@media (min-width: 860px) {
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
  }
}

.nav-link {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2.5px;
  background: var(--grad-aurora);
  border-radius: var(--radius-pill);
  transition: width 0.25s ease, left 0.25s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
  left: 0;
}

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

/* ====================================================================
   全新炫彩流光按钮体系 (Buttons with Dynamic Shimmer)
   ==================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 24px;
  font-size: 0.98rem;
  font-weight: 800;
  border-radius: var(--radius-pill);
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
  border: none;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.btn-primary {
  background: var(--grad-aurora);
  color: #ffffff !important;
  box-shadow: 0 6px 18px rgba(16, 185, 129, 0.32);
}

/* 按钮内部动态反光扫光流效 */
.btn-primary::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent 35%, rgba(255, 255, 255, 0.4) 50%, transparent 65%);
  transform: rotate(25deg) translateY(-100%);
  animation: btnShimmer 5s infinite linear;
}

@keyframes btnShimmer {
  0% { transform: rotate(25deg) translateY(-120%); }
  25%, 100% { transform: rotate(25deg) translateY(120%); }
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 26px rgba(6, 182, 212, 0.45);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-main) !important;
  border: 1.5px solid var(--border-card);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background-color: var(--bg-card-subtle);
  border-color: var(--primary);
  color: var(--primary) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn-lg {
  padding: 15px 34px;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 860px) {
  .menu-toggle {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: absolute;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid var(--border-glow);
  padding: 22px 24px;
  box-shadow: var(--shadow-hover);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-subtle);
}

/* ====================================================================
   动态流星与星轨光晕 HERO 模块 (Dynamic Meteor Shower Hero)
   ==================================================================== */
.hero-section {
  padding: 56px 0 64px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 960px) {
  .hero-section {
    padding: 84px 0 92px;
  }
}

/* 动态流星雨背景 */
.hero-meteors-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.meteor {
  position: absolute;
  width: 150px;
  height: 2px;
  background: linear-gradient(90deg, rgba(6, 182, 212, 0) 0%, rgba(16, 185, 129, 0.9) 60%, #ffffff 100%);
  border-radius: 999px;
  filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.9));
  transform: rotate(-35deg);
  opacity: 0;
  animation: meteorShower 6s linear infinite;
}

.meteor::after {
  content: "";
  position: absolute;
  right: 0;
  top: -1px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #ffffff;
  box-shadow: 0 0 8px #ffffff, 0 0 16px #06b6d4;
}

.meteor-1 { top: 12%; right: 10%; width: 170px; animation-delay: 0s; animation-duration: 4.8s; }
.meteor-2 { top: 28%; right: 35%; width: 130px; animation-delay: 1.6s; animation-duration: 4.2s; }
.meteor-3 { top: 44%; right: 8%;  width: 180px; animation-delay: 3.2s; animation-duration: 5.4s; }
.meteor-4 { top: 18%; right: 62%; width: 140px; animation-delay: 4.5s; animation-duration: 4.5s; }
.meteor-5 { top: 56%; right: 28%; width: 140px; animation-delay: 2.4s; animation-duration: 5.8s; }
.meteor-6 { top: 8%;  right: 80%; width: 160px; animation-delay: 3.8s; animation-duration: 5.0s; }

@keyframes meteorShower {
  0% { transform: rotate(-35deg) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  35% { transform: rotate(-35deg) translateX(-720px); opacity: 0; }
  100% { transform: rotate(-35deg) translateX(-720px); opacity: 0; }
}

.hero-bento-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-bento-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

.hero-text-wrap {
  text-align: left;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: #ffffff;
  border: 1.5px solid var(--border-glow);
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 22px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.15);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #10b981;
  position: relative;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  border: 2px solid #10b981;
  animation: beaconPulse 2s infinite ease-out;
}

@keyframes beaconPulse {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.hero-title {
  font-size: 2.35rem;
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.4rem;
  }
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.72;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

@media (min-width: 540px) {
  .hero-actions {
    flex-direction: row;
    align-items: center;
  }
}

.hero-feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.hero-tag-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
}

.hero-tag-item svg {
  color: var(--primary);
  width: 17px;
  height: 17px;
}

/* ====================================================================
   右侧微晶数码魔方监控 HUD 面板 (Cyber-Nature HUD Panel)
   ==================================================================== */
.hero-hud-card {
  background: var(--grad-card-hero);
  border: 2px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 16px 36px -4px rgba(16, 185, 129, 0.18), 0 0 20px rgba(6, 182, 212, 0.1);
  position: relative;
  overflow: hidden;
}

.hero-hud-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-aurora);
}

.hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
}

.hud-title {
  font-size: 0.95rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-status-badge {
  font-size: 0.8rem;
  font-weight: 800;
  color: #047857;
  background: #d1fae5;
  border: 1px solid #a7f3d0;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.2);
}

.hud-metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.hud-metric-box {
  background-color: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.hud-metric-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.hud-metric-val {
  font-size: 1.6rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: var(--primary);
  display: flex;
  align-items: baseline;
  gap: 3px;
}

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

.hud-route-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 15px;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  font-weight: 700;
  transition: all 0.2s ease;
}

.hud-route-item:hover {
  border-color: var(--primary-glow);
  transform: translateX(3px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.12);
}

.hud-route-name {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-main);
}

.hud-route-ping {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 800;
  background: var(--bg-card-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

/* ====================================================================
   通用 Section 样式与炫彩标签
   ==================================================================== */
.section {
  padding: 68px 0;
}

@media (min-width: 768px) {
  .section {
    padding: 92px 0;
  }
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 52px;
}

.section-pill-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid var(--border-glow);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.12);
}

.section-title {
  font-size: 1.9rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--text-main);
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.45rem;
  }
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-secondary);
}

/* ====================================================================
   优势亮点 (Benefits - 炫彩几何指标卡)
   ==================================================================== */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

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

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

.benefit-card {
  background-color: #ffffff;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-aurora);
  opacity: 0;
  transition: opacity 0.22s ease;
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-glow);
}

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

.benefit-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.benefit-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.benefit-card:hover .benefit-icon-box {
  transform: scale(1.08);
  background: var(--primary-light);
}

.benefit-index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(16, 185, 129, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.benefit-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
}

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

/* ====================================================================
   全新不对称便当盒特性网格 (Features Asymmetric Bento Grid)
   ==================================================================== */
.features-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-page-alt) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.features-bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 860px) {
  .features-bento-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .bento-card-wide {
    grid-column: span 2;
  }
}

.bento-card {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.22s ease;
  box-shadow: var(--shadow-sm);
}

.bento-card:hover {
  border-color: var(--primary-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-bento);
}

.bento-card-tag {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-glow);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 18px;
  width: fit-content;
}

.bento-card-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.36;
}

.bento-card-desc {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  flex-grow: 1;
}

.bento-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.bento-bullet-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.bento-bullet-item svg {
  color: var(--primary);
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* ====================================================================
   炫彩流媒体与 AI 支持矩阵 (Matrix with Brand Accent Chips)
   ==================================================================== */
.support-matrix-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 820px) {
  .support-matrix-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.matrix-block {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.matrix-block:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-bento);
}

.matrix-badge-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.matrix-icon-wrap {
  width: 46px;
  height: 46px;
  background: var(--bg-card-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.matrix-heading {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-main);
}

.matrix-desc-text {
  font-size: 0.98rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.68;
}

.matrix-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.matrix-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-main);
  transition: all 0.18s ease;
}

.matrix-chip:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* 赋予各知名服务鲜明色彩辨识度 */
.matrix-chip.chip-netflix { background: #fee2e2; border-color: #fca5a5; color: #b91c1c; }
.matrix-chip.chip-disney  { background: #eff6ff; border-color: #93c5fd; color: #1d4ed8; }
.matrix-chip.chip-youtube { background: #fef2f2; border-color: #fecaca; color: #dc2626; }
.matrix-chip.chip-chatgpt { background: #d1fae5; border-color: #6ee7b7; color: #047857; }
.matrix-chip.chip-claude  { background: #fef3c7; border-color: #fde68a; color: #b45309; }
.matrix-chip.chip-midjourney { background: #f3e8ff; border-color: #d8b4fe; color: #6b21a8; }
.matrix-chip.chip-active  { background: var(--primary-light); border-color: var(--border-glow); color: var(--primary-hover); }

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

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

.scenario-bento-card {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all 0.22s ease;
  position: relative;
}

.scenario-bento-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-glow);
}

.scenario-device-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.scenario-device-pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  background-color: var(--bg-card-subtle);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.scenario-category {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--primary);
  background: rgba(16, 185, 129, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
}

.scenario-card-title {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 12px;
}

.scenario-card-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
}

/* ====================================================================
   定价区 (Pricing - 突出推荐档位与多彩视觉)
   ==================================================================== */
.pricing-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--bg-page-alt) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: stretch;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.price-card {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.22s ease;
  box-shadow: var(--shadow-sm);
}

.price-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-hover);
}

.price-card.popular {
  border: 2.5px solid var(--primary-glow);
  box-shadow: 0 16px 36px -4px rgba(16, 185, 129, 0.22), 0 0 16px rgba(6, 182, 212, 0.15);
  transform: scale(1.03);
}

@media (max-width: 899px) {
  .price-card.popular {
    transform: none;
  }
}

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-aurora);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 20px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.price-tier-header {
  margin-bottom: 20px;
}

.price-tier-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 6px;
}

.price-tier-target {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
}

.price-rate-box {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 20px 0;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
}

.price-symbol {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--primary);
}

.price-val {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.price-cycle {
  font-size: 0.94rem;
  color: var(--text-muted);
  font-weight: 700;
}

.price-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-bottom: 34px;
  flex-grow: 1;
  font-size: 0.96rem;
  color: var(--text-secondary);
}

.price-feature-row {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
}

.price-feature-row svg {
  color: var(--primary);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

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

.faq-item {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.faq-item:hover {
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-main);
  gap: 16px;
}

.faq-icon {
  width: 22px;
  height: 22px;
  color: var(--text-muted);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  display: none;
  padding: 0 26px 24px;
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ====================================================================
   Final CTA 模块
   ==================================================================== */
.final-cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.08) 50%, rgba(255, 255, 255, 0.95) 100%);
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta-wrap {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.final-cta-title {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}

.final-cta-desc {
  font-size: 1.12rem;
  color: var(--text-secondary);
  margin-bottom: 34px;
}

/* ====================================================================
   全站页脚 (Footer)
   ==================================================================== */
.site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 34px;
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 38px;
  margin-bottom: 42px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-desc {
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 380px;
}

.footer-affiliate-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
  padding: 7px 14px;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-pill);
  width: fit-content;
}

.footer-heading {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-link {
  color: var(--text-muted);
  font-weight: 600;
}

.footer-link:hover {
  color: var(--primary);
}

.footer-bottom {
  padding-top: 26px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.88rem;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ====================================================================
   移动端吸底 CTA 条 (Mobile Sticky Bar)
   ==================================================================== */
.mobile-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1.5px solid var(--border-glow);
  padding: 11px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 -6px 20px rgba(6, 26, 20, 0.09);
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}

.mobile-sticky-bar.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 768px) {
  .mobile-sticky-bar {
    display: none !important;
  }
}

.sticky-info {
  display: flex;
  flex-direction: column;
}

.sticky-brand {
  font-weight: 900;
  font-size: 0.94rem;
  color: var(--text-main);
}

.sticky-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.sticky-btn {
  padding: 10px 22px;
  font-size: 0.94rem;
}

/* ====================================================================
   文章与通用内容页排版 (Articles & Content Pages)
   ==================================================================== */
.breadcrumb-nav {
  margin: 24px 0 16px;
  font-size: 0.9rem;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.breadcrumb-item a {
  color: var(--text-muted);
  font-weight: 600;
}

.breadcrumb-item a:hover {
  color: var(--primary);
}

.breadcrumb-item.active {
  color: var(--text-main);
  font-weight: 800;
}

.breadcrumb-separator {
  color: var(--border-card);
  font-size: 0.8rem;
}

.article-header {
  padding: 38px 34px;
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-lg);
  margin-bottom: 38px;
  box-shadow: var(--shadow-sm);
}

.article-meta-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 14px;
  font-weight: 600;
}

.article-content-container {
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 64px;
}

.article-lead {
  font-size: 1.15rem;
  line-height: 1.76;
  color: var(--text-secondary);
  background: var(--bg-card-subtle);
  border-left: 5px solid var(--primary);
  padding: 22px 26px;
  margin-bottom: 38px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.article-body {
  font-size: 1.06rem;
  line-height: 1.84;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-main);
  margin: 46px 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border-glow);
  letter-spacing: -0.015em;
}

.article-body h3 {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 32px 0 14px;
}

.article-body p {
  margin-bottom: 22px;
}

.article-body ul, .article-body ol {
  margin: 0 0 26px 26px;
}

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

.article-body strong {
  color: var(--text-main);
  font-weight: 800;
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(6, 182, 212, 0.08) 50%, #ffffff 100%);
  border: 2px solid var(--primary-glow);
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  margin: 52px 0;
  text-align: center;
  box-shadow: var(--shadow-bento);
}

.article-cta-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 10px;
}

.article-cta-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.article-internal-links {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  margin: 46px 0;
  box-shadow: var(--shadow-sm);
}

.internal-links-title {
  font-size: 1.18rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 14px;
}

.internal-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

/* 指南与网站地图网格 */
.guides-grid, .sitemap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 34px 0 58px;
}

@media (min-width: 680px) {
  .guides-grid, .sitemap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.guide-item-card, .sitemap-card {
  background-color: #ffffff;
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s ease;
  display: flex;
  flex-direction: column;
}

.guide-item-card:hover, .sitemap-card:hover {
  border-color: var(--primary-glow);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.guide-card-title {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 10px;
}

.guide-card-desc {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.68;
  flex-grow: 1;
}