/* ==========================================================================
   方案 C · 云梯之环 | YYT-ORBIT-C03 布局与模块交互系统
   ========================================================================== */

/* --------------------------------------------------------------------------
   模块 01: 极简悬浮导航 (Header & Navigation)
   -------------------------------------------------------------------------- */
.orbit-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(7, 11, 29, 0.78);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: var(--transition-smooth);
}

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

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}
.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
  padding: 8px 4px;
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ice-blue);
  transition: width 0.25s ease;
}
.nav-link:hover::after {
  width: 100%;
}

.nav-cta-btn {
  min-height: 40px;
  padding: 0 20px;
  font-size: 0.9rem;
}

/* 移动端菜单按钮 */
.nav-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.nav-toggle-icon {
  width: 22px;
  height: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}
.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon span:nth-child(2) {
  opacity: 0;
}
.nav-toggle-btn[aria-expanded="true"] .nav-toggle-icon span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: rgba(11, 17, 39, 0.96);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 24px;
  z-index: 999;
}
.mobile-menu-drawer.is-open {
  display: block;
}
.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mobile-nav-list a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 500;
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* --------------------------------------------------------------------------
   模块 02: 旗舰发布式 Hero (Sky Ring & Ascension Staircase)
   -------------------------------------------------------------------------- */
.orbit-hero {
  position: relative;
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 100px;
  overflow: hidden;
  text-align: center;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, rgba(41, 36, 81, 0.45), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(154, 134, 245, 0.1);
  border: 1px solid rgba(154, 134, 245, 0.28);
  border-radius: var(--radius-full);
  color: var(--ice-blue);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-tag-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice-blue);
  box-shadow: 0 0 10px var(--ice-blue);
}

.hero-title {
  font-size: clamp(48px, 7vw, 104px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
  text-wrap: balance;
}
.hero-title-gradient {
  background: linear-gradient(180deg, #FFFFFF 30%, var(--ice-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* 核心主视觉复合舞台 */
.hero-visual-stage {
  position: relative;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-sky-ring {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 1;
  pointer-events: none;
}

.visual-staircase {
  position: absolute;
  bottom: -2%;
  left: 50%;
  transform: translateX(-50%);
  width: 82%;
  height: 82%;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
}

.hero-clouds-blend {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(0deg, var(--bg-main) 20%, transparent 100%);
  z-index: 3;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   模块 03: 全屏品牌宣言 (Full-Screen Typography Manifesto)
   -------------------------------------------------------------------------- */
.orbit-manifesto {
  padding: 140px 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 50%, var(--bg-main) 100%);
}

.manifesto-header-eyebrow {
  color: var(--ice-blue);
  font-size: 0.9rem;
  letter-spacing: 2px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.manifesto-lead {
  font-size: clamp(32px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 56px;
  max-width: 960px;
}
.manifesto-lead span {
  color: var(--aurora-purple);
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 48px;
}

.manifesto-item-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ice-blue);
  margin-bottom: 12px;
}

.manifesto-item-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   模块 04: 中央设备展示舞台 (Device Stage)
   -------------------------------------------------------------------------- */
.orbit-device-stage {
  padding: 100px 0 120px;
  text-align: center;
  position: relative;
}

.section-head {
  max-width: 760px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ice-blue);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.device-stage-wrapper {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.device-stage-img {
  width: 100%;
  height: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   模块 05: 横向平台 Logo 光带 (Platform Logos Ribbon)
   -------------------------------------------------------------------------- */
.orbit-platforms {
  padding: 40px 0 80px;
  border-bottom: 1px solid var(--border-subtle);
}

.platform-ribbon-title {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 32px;
}

.platform-logo-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 5vw, 64px);
  flex-wrap: wrap;
}

.platform-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}
.platform-logo-item:hover {
  background: rgba(145, 221, 247, 0.08);
  border-color: var(--border-highlight);
  transform: translateY(-2px);
}
.platform-logo-img {
  height: 28px;
  width: auto;
  display: block;
}

/* --------------------------------------------------------------------------
   模块 06: 错位式核心优势 (Asymmetric Magazine Editorial)
   -------------------------------------------------------------------------- */
.orbit-advantages {
  padding: 140px 0;
}

.magazine-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
  margin-bottom: 120px;
}
.magazine-row:last-child {
  margin-bottom: 0;
}

/* Row 1: Large Number + Core Explanation */
.mag-num-block {
  font-size: clamp(100px, 14vw, 190px);
  font-weight: 900;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 2px var(--ice-blue);
  opacity: 0.6;
  font-family: var(--font-mono);
  user-select: none;
}
.mag-text-block h3 {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.mag-text-block p {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* Row 2: Abstract Graphic + Content */
.mag-graphic-frame {
  background: linear-gradient(135deg, rgba(41, 36, 81, 0.4) 0%, rgba(17, 24, 49, 0.6) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.mag-graphic-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.mag-graphic-visual svg {
  width: 80%;
  height: 80%;
}

/* Row 3: Full-width Editorial Banner */
.mag-fullwidth-editorial {
  grid-column: 1 / -1;
  background: rgba(17, 24, 49, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}
.mag-fullwidth-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.2;
}
.mag-fullwidth-title span {
  color: var(--ice-blue);
}

/* --------------------------------------------------------------------------
   模块 07: 焦点套餐选择系统 (Central Focused Plan Switcher)
   -------------------------------------------------------------------------- */
.orbit-pricing {
  padding: 120px 0;
  background: radial-gradient(circle at 50% 30%, rgba(154, 134, 245, 0.12), transparent 70%);
}

.plan-switcher-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.plan-tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.plan-tab-btn:hover {
  color: var(--text-primary);
  border-color: var(--ice-blue);
}
.plan-tab-btn.is-active {
  background: var(--ice-blue);
  color: #070B1D;
  border-color: var(--ice-blue);
  box-shadow: 0 0 20px var(--ice-blue-glow);
}

/* 焦点卡片展示舞台 */
.plan-stage-container {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}

.plan-focus-card {
  background: linear-gradient(180deg, rgba(21, 29, 59, 0.85) 0%, rgba(11, 16, 36, 0.95) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5), 0 0 32px var(--glow-ambient);
  backdrop-filter: blur(20px);
  position: relative;
}

.plan-badge {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(145, 221, 247, 0.15);
  border: 1px solid var(--ice-blue);
  border-radius: var(--radius-full);
  color: var(--ice-blue);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 18px;
}

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 24px;
}

.plan-name {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--text-primary);
}

.plan-price-wrap {
  text-align: right;
}
.plan-currency {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ice-blue);
}
.plan-price {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1;
}
.plan-period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.plan-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.spec-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}
.spec-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.spec-value {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ice-blue);
}

.plan-features-list {
  list-style: none;
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.plan-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--text-muted);
}
.feature-check-icon {
  width: 18px;
  height: 18px;
  color: var(--ice-blue);
  flex-shrink: 0;
}

.plan-cta-wrap {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 切换辅助控件 */
.plan-stage-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}
.plan-arrow-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}
.plan-arrow-btn:hover {
  background: var(--ice-blue);
  color: #070B1D;
  border-color: var(--ice-blue);
}
.plan-indicator-dots {
  display: flex;
  gap: 8px;
}
.indicator-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: var(--transition-smooth);
}
.indicator-dot.is-active {
  width: 28px;
  border-radius: var(--radius-full);
  background: var(--ice-blue);
}

/* --------------------------------------------------------------------------
   模块 08: 三步使用指南 (Three-Step Guide)
   -------------------------------------------------------------------------- */
.orbit-guide {
  padding: 120px 0;
}

.guide-steps-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: rgba(17, 24, 49, 0.45);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition-smooth);
}
.step-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
}

.step-number {
  font-size: 3.5rem;
  font-weight: 900;
  font-family: var(--font-mono);
  color: transparent;
  -webkit-text-stroke: 1.5px var(--ice-blue);
  line-height: 1;
  margin-bottom: 24px;
  opacity: 0.7;
}

.step-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   用户真实体验与评价 (Real Community Feedback)
   -------------------------------------------------------------------------- */
.orbit-reviews {
  padding: 120px 0;
  background: radial-gradient(circle at 50% 50%, rgba(41, 36, 81, 0.28), transparent 75%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.review-card {
  background: rgba(17, 24, 49, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-smooth);
  backdrop-filter: blur(12px);
  position: relative;
}
.review-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.45), 0 0 24px var(--glow-ambient);
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.review-author-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ice-blue) 0%, var(--aurora-purple) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #070B1D;
  font-size: 1.15rem;
  flex-shrink: 0;
  box-shadow: 0 4px 14px var(--glow-ambient);
}

.review-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.review-role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.review-scenario-badge {
  background: rgba(145, 221, 247, 0.1);
  border: 1px solid rgba(145, 221, 247, 0.28);
  color: var(--ice-blue);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.review-quote {
  font-size: 1.02rem;
  color: #D3DCF5;
  line-height: 1.75;
  margin-bottom: 24px;
  flex-grow: 1;
}

.review-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.review-verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ice-blue);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   模块 09: 品牌信任与购买前说明 (Pre-Purchase Checklist)
   -------------------------------------------------------------------------- */
.orbit-trust {
  padding: 100px 0;
  background: rgba(17, 24, 49, 0.2);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.trust-item {
  background: rgba(7, 11, 29, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}
.trust-item-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ice-blue);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.trust-item-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   模块 10: 极简宽幅 FAQ (Native details/summary)
   -------------------------------------------------------------------------- */
.orbit-faq {
  padding: 120px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(17, 24, 49, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}
.faq-item[open] {
  border-color: var(--border-highlight);
  background: rgba(17, 24, 49, 0.7);
}

.faq-summary {
  padding: 24px 32px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-summary::-webkit-details-marker {
  display: none;
}
.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--ice-blue);
  transition: transform 0.25s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 32px 28px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   模块 11: 地球地平线终章 (Earth Horizon Finale)
   -------------------------------------------------------------------------- */
.orbit-finale {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 90%, rgba(145, 221, 247, 0.15), transparent 70%);
}

.finale-bg-horizon {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  min-width: 1200px;
  height: 100%;
  object-fit: cover;
  object-position: bottom center;
  z-index: 1;
  pointer-events: none;
  opacity: 0.85;
}

.finale-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.finale-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.finale-desc {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-muted);
  margin-bottom: 44px;
}

/* --------------------------------------------------------------------------
   模块 12: 极简页脚 (Footer)
   -------------------------------------------------------------------------- */
.orbit-footer {
  background: #040714;
  border-top: 1px solid var(--border-subtle);
  padding: 48px 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 36px;
  list-style: none;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}
.footer-link:hover {
  color: var(--ice-blue);
}

.footer-meta {
  text-align: center;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   响应式断点适配 (1920, 1440, 1024, 768, 390, 375, 360px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .guide-steps-flow {
    grid-template-columns: 1fr;
  }
  .magazine-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mag-fullwidth-editorial {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-desktop,
  .orbit-header .btn-primary {
    display: none;
  }
  .nav-toggle-btn {
    display: flex;
  }
  .plan-specs-grid {
    grid-template-columns: 1fr;
  }
  .plan-header {
    flex-direction: column;
    gap: 12px;
  }
  .plan-price-wrap {
    text-align: left;
  }
  .hero-visual-stage {
    aspect-ratio: 4 / 3;
  }
}