/* 喵喵云 第1套：猫影跃迁系统 全站样式表 */
:root {
  --bg: #F5F9FC;
  --surface: #FFFFFF;
  --text: #182733;
  --body: #5B6974;
  --muted: #8A979F;
  --navy: #204D69;
  --tech-blue: #367A9B;
  --ice-blue: #7CB8D0;
  --ice-soft: #E7F3F8;
  --cyan-gray: #5E9298;
  --cyan-soft: #E8F1F1;
  --coral: #D9785C;
  --coral-soft: #F7EAE5;
  --border: #D8E4E9;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --shadow: 0 12px 36px rgba(24, 39, 51, 0.05);
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

/* 全局重置与基础设置 */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1.05rem; /* 约比常规略大5% */
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--tech-blue);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

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

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

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

/* Header 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 72px;
  background-color: rgba(245, 249, 252, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-left {
  display: flex;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 40px !important;
  height: 40px !important;
  min-width: 40px !important;
  max-width: 40px !important;
  max-height: 40px !important;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--muted);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-link {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--body);
  padding: 6px 4px;
}

.nav-link:hover {
  color: var(--navy);
}

.nav-link.active {
  color: var(--navy);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 3px;
  background: var(--navy);
  border-radius: 3px 3px 0 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background-color: var(--coral);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(217, 120, 92, 0.25);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-cta-primary:hover {
  background-color: #C86548;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  background-color: var(--ice-soft);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-cta-secondary:hover {
  background-color: #D9ECF3;
  transform: translateY(-2px);
}

.btn-cta-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.hamburger-bar {
  width: 22px;
  height: 2px;
  background-color: var(--navy);
  transition: transform 0.2s ease;
}

.mobile-menu-drawer {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  padding: 20px;
}

.mobile-menu-drawer.active {
  display: block;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav a {
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px stroke var(--border);
}

/* HERO SECTION - 猫影跃迁科技封面 */
.hero-section {
  position: relative;
  min-height: 760px;
  background: linear-gradient(180deg, #F5F9FC 0%, #EDF6F9 100%);
  overflow: hidden;
  padding: 60px 0 80px 0;
}

.hero-layout {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-brand-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--tech-blue);
  background: var(--ice-soft);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
}

.hero-main-copy {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--coral);
  margin-bottom: 12px;
}

.hero-h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  max-width: 900px;
}

.hero-sub-copy {
  font-size: 1.15rem;
  color: var(--body);
  max-width: 780px;
  margin: 0 auto 36px auto;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 50px;
  z-index: 10;
}

/* 悬浮信息面 (Hero Floating Info Surfaces) */
.hero-floating-surfaces {
  position: relative;
  width: 100%;
  max-width: 1040px;
  height: 280px;
  margin-top: 20px;
}

.info-surface {
  position: absolute;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: left;
  transition: transform 0.3s ease;
}

.info-surface-01 {
  top: 10px;
  left: 20px;
  width: 230px;
  height: 140px;
  border-top: 3px solid var(--tech-blue);
}

.info-surface-02 {
  top: 30px;
  right: 40px;
  width: 240px;
  height: 150px;
  border-top: 3px solid var(--coral);
}

.info-surface-03 {
  bottom: 20px;
  left: 80px;
  width: 250px;
  height: 130px;
  background: var(--ice-soft);
  border: none;
}

.info-surface-04 {
  bottom: 10px;
  right: 120px;
  width: 260px;
  height: 140px;
  border-top: 3px solid var(--navy);
}

.surface-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--tech-blue);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.surface-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.surface-items {
  font-size: 0.9rem;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 6px;
}

.surface-note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* 侧面完整几何猫 Stage & CSS Animations */
.cat-shadow-stage {
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 80%;
  height: 160px;
  pointer-events: none;
  z-index: 5;
}

.cat-svg {
  position: absolute;
  bottom: 15px;
  left: 0;
  width: 210px !important;
  height: 135px !important;
  animation: catMasterLoop 14s ease-in-out infinite;
}

/* 猫咪器官与分构件动画 */
.cat-front-leg-a {
  transform-origin: 70px 85px;
  animation: catLegSwingA 14s ease-in-out infinite;
}
.cat-front-leg-b {
  transform-origin: 75px 85px;
  animation: catLegSwingB 14s ease-in-out infinite;
}
.cat-back-leg-a {
  transform-origin: 155px 85px;
  animation: catLegSwingB 14s ease-in-out infinite;
}
.cat-back-leg-b {
  transform-origin: 145px 85px;
  animation: catLegSwingA 14s ease-in-out infinite;
}
.cat-tail {
  transform-origin: 162px 62px;
  animation: catTailSway 14s ease-in-out infinite;
}
.cat-ear-left {
  transform-origin: 45px 45px;
  animation: catEarTwitch 14s ease-in-out infinite;
}
.cat-ear-right {
  transform-origin: 55px 47px;
  animation: catEarTwitch 14s ease-in-out infinite;
}
.cat-head {
  transform-origin: 55px 55px;
  animation: catHeadLookBack 14s ease-in-out infinite;
}

/* 主移动轨迹: 入场 -> 慢走 -> 停顿 -> 跃起(跃过信息面) -> 落地 -> 回头 -> 停顿 */
@keyframes catMasterLoop {
  0% { transform: translateX(-100px) translateY(0); opacity: 0; }
  5% { opacity: 1; }
  22% { transform: translateX(120px) translateY(0); }
  32% { transform: translateX(120px) translateY(0); }
  42% { transform: translateX(230px) translateY(-45px); }
  48% { transform: translateX(330px) translateY(0); }
  62% { transform: translateX(330px) translateY(0); }
  80% { transform: translateX(520px) translateY(0); opacity: 1; }
  92% { transform: translateX(650px) translateY(0); opacity: 0; }
  100% { transform: translateX(-100px) translateY(0); opacity: 0; }
}

@keyframes catLegSwingA {
  0%, 100% { transform: rotate(0deg); }
  5%, 22% { transform: rotate(14deg); }
  10%, 18% { transform: rotate(-14deg); }
  23%, 32% { transform: rotate(0deg); }
  33%, 48% { transform: rotate(20deg); }
  49%, 80% { transform: rotate(10deg); }
}

@keyframes catLegSwingB {
  0%, 100% { transform: rotate(0deg); }
  5%, 22% { transform: rotate(-14deg); }
  10%, 18% { transform: rotate(14deg); }
  23%, 32% { transform: rotate(0deg); }
  33%, 48% { transform: rotate(-20deg); }
  49%, 80% { transform: rotate(-10deg); }
}

@keyframes catTailSway {
  0%, 20%, 65%, 100% { transform: rotate(0deg); }
  25%, 31% { transform: rotate(-6deg); }
  28% { transform: rotate(8deg); }
}

@keyframes catEarTwitch {
  0%, 20%, 65%, 100% { transform: rotate(0deg); }
  27% { transform: rotate(3deg); }
  29% { transform: rotate(-1deg); }
}

@keyframes catHeadLookBack {
  0%, 50%, 64%, 100% { transform: rotate(0deg); }
  53%, 62% { transform: rotate(18deg) translateY(-2px); }
}

/* 猫爪轨迹 */
.paw-tracks-container {
  position: absolute;
  bottom: 10px;
  left: 0;
  width: 100%;
  height: 30px;
}

.paw-track {
  position: absolute;
  display: flex;
  gap: 3px;
  opacity: 0;
  animation: pawFade 14s infinite;
}

.track-1 { left: 80px; animation-delay: 2s; }
.track-2 { left: 200px; animation-delay: 5s; }
.track-3 { left: 340px; animation-delay: 7s; }

.paw-dot {
  width: 4px;
  height: 4px;
  background: var(--tech-blue);
  border-radius: 50%;
  opacity: 0.6;
}

@keyframes pawFade {
  0%, 10% { opacity: 0; }
  15% { opacity: 0.7; }
  30% { opacity: 0; }
  100% { opacity: 0; }
}

/* SECTION 通用样式 */
.site-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.section-tag {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--tech-blue);
  margin-bottom: 8px;
  display: block;
}

.section-h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-intro-text {
  font-size: 1.1rem;
  color: var(--body);
  max-width: 860px;
  line-height: 1.7;
  margin-bottom: 40px;
}

/* Section 01: 猫步错位场景 */
.staggered-scenarios-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.scenario-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease;
}

.scenario-card:nth-child(2) {
  margin-top: 30px;
}
.scenario-card:nth-child(4) {
  margin-top: 30px;
}

.scenario-card:hover {
  transform: translateY(-4px);
}

.scenario-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.scenario-desc {
  font-size: 1.02rem;
  color: var(--body);
  margin-bottom: 16px;
}

.scenario-focus-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.focus-tag {
  font-size: 0.85rem;
  background: var(--ice-soft);
  color: var(--navy);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Section 02: 猫观察台 (AI) */
.ai-台-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 36px;
  align-items: start;
}

.ai-main-surface {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border-left: 4px solid var(--tech-blue);
  box-shadow: var(--shadow);
}

.ai-tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.ai-tool-item {
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.ai-tool-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.ai-tool-note {
  font-size: 0.92rem;
  color: var(--body);
}

.ai-side-index {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
}

.side-index-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--ice-soft);
}

.side-index-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-index-list li {
  font-size: 0.95rem;
  color: var(--body);
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-index-list li::before {
  content: '▪';
  color: var(--coral);
}

/* Section 03: 横向观看带 (流媒体) */
.streaming-band-container {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.streaming-item-card {
  min-width: 260px;
  flex: 1;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border-top: 3px solid var(--tech-blue);
  box-shadow: var(--shadow);
}

.streaming-item-card:nth-child(2n) {
  border-top-color: var(--coral);
}

.platform-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

.platform-focus {
  font-size: 0.95rem;
  color: var(--body);
  line-height: 1.6;
}

/* Section 04: 日常办公宽面 */
.wide-surface-box {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.wide-surface-box::after {
  content: '';
  position: absolute;
  bottom: 12px;
  right: 20px;
  width: 60px;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath d='M0 10 Q 50 0 100 10' stroke='%237CB8D0' stroke-width='4' fill='none'/%3E%3C/svg%3E") no-repeat center;
}

/* Section 05: 设备脚印索引 */
.device-footprint-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.device-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  position: relative;
}

.device-item::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--coral);
  border-radius: 50%;
  margin-bottom: 10px;
}

.device-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

/* Section 06: 猫步流量刻度 */
.data-plan-ticks {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr 2.5fr 3fr;
  gap: 20px;
}

.data-tick-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  border-top: 4px solid var(--tech-blue);
}

.tick-amount {
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 8px;
}

.tick-desc {
  font-size: 0.95rem;
  color: var(--body);
}

/* Section 07: 猫视线地区索引 */
.region-index-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.region-box-hk { font-size: 1.1rem; }
.region-box-jp { font-size: 1.05rem; }
.region-box-sg { font-size: 1.0rem; }
.region-box-us { font-size: 1.15rem; }

.region-box {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--border);
}

.region-title {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

/* Section 08: HTML 线路表 */
.line-table-wrapper {
  overflow-x: auto;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.line-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.line-table th {
  background-color: var(--navy);
  color: #FFFFFF;
  padding: 16px 20px;
  font-weight: 600;
}

.line-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--body);
  font-size: 0.98rem;
}

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

.line-type-name {
  font-weight: 700;
  color: var(--text);
}

/* Section 09: 猫步价目 (Pricing Staggered Grid) */
.pricing-catstep-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
}

/* 主力推荐方案视觉 */
.pricing-card.featured-card {
  background: var(--ice-soft);
  border: 2px solid var(--tech-blue);
  transform: scale(1.04);
  z-index: 2;
}

.featured-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: var(--coral);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 12px;
}

.plan-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.plan-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
}

.plan-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
}

.plan-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.plan-features li {
  font-size: 0.95rem;
  color: var(--body);
  display: flex;
  align-items: center;
  gap: 8px;
}

.plan-features li::before {
  content: '✓';
  color: var(--tech-blue);
  font-weight: 800;
}

/* Section 10: 猫观察评测台 */
.review-stage-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.review-stage-left {
  max-width: 650px;
}

.review-conclusion-box {
  background: var(--ice-soft);
  padding: 20px 24px;
  border-left: 4px solid var(--navy);
  border-radius: var(--radius-md);
  margin: 16px 0 24px 0;
  font-size: 1.02rem;
  color: var(--navy);
}

/* Section 11: 猫脚设备索引 */
.device-catsteps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.device-cat-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
}

/* Section 12: 网络问题快速判断 */
.trouble-steps-flex {
  display: flex;
  gap: 16px;
  overflow-x: auto;
}

.trouble-step-item {
  flex: 1;
  min-width: 180px;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border);
  position: relative;
}

.step-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--coral);
  margin-bottom: 6px;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

/* Section 13: 猫步编辑目录 */
.articles-category-group {
  margin-bottom: 40px;
}

.category-group-header {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ice-soft);
  margin-bottom: 20px;
}

.article-entry-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.article-entry-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: transform 0.2s ease;
}

.article-entry-item:hover {
  transform: translateX(4px);
}

.entry-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
}

.entry-answer {
  font-size: 0.95rem;
  color: var(--body);
}

.entry-meta {
  font-size: 0.85rem;
  color: var(--muted);
  white-space: nowrap;
}

/* Section 14: 猫爪问答目录 (FAQ Accordion) */
.faq-accordion-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-button {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  gap: 16px;
}

.faq-button .faq-icon {
  font-size: 1.4rem;
  color: var(--tech-blue);
  transition: transform 0.3s ease;
}

.faq-button[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer-panel {
  display: none;
  padding: 0 24px 20px 24px;
  font-size: 1rem;
  color: var(--body);
  line-height: 1.7;
}

.faq-answer-panel.open {
  display: block;
}

/* Footer 深海蓝 */
.site-footer {
  background-color: var(--navy);
  color: #F8FBFC;
  padding: 60px 0 30px 0;
  border-top: 1px solid rgba(255,255,252,0.1);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 36px;
  margin-bottom: 40px;
}

.footer-brand-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: #C7D9E2;
  margin-bottom: 12px;
}

.footer-mission {
  font-size: 0.92rem;
  color: #C7D9E2;
  margin-bottom: 20px;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
}

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

.footer-links a {
  color: #C7D9E2;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-friend-links {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: #C7D9E2;
}

.footer-friend-links a {
  color: #FFFFFF;
  font-weight: 600;
  margin: 0 6px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: #98B3C2;
}

/* 文章页 (Article Layout) */
.article-page-layout {
  max-width: 800px;
  margin: 40px auto 80px auto;
  padding: 0 24px;
}

.article-header {
  margin-bottom: 32px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.breadcrumb-item {
  color: var(--body);
}

.breadcrumb-separator {
  color: var(--muted);
}

.article-category-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--tech-blue);
  background: var(--ice-soft);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.article-h1 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-quick-conclusion {
  background: var(--ice-soft);
  border-left: 4px solid var(--navy);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 28px 0;
  position: relative;
}

.article-quick-conclusion::after {
  content: '';
  position: absolute;
  bottom: 8px;
  right: 16px;
  width: 40px;
  height: 8px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 20'%3E%3Cpath d='M0 10 Q 50 0 100 10' stroke='%237CB8D0' stroke-width='4' fill='none'/%3E%3C/svg%3E") no-repeat center;
}

.conclusion-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.article-body-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.article-body-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--navy);
  margin: 36px 0 16px 0;
  padding-top: 12px;
  border-top: 1px solid var(--ice-soft);
}

.article-body-content h2:first-child {
  margin-top: 0;
  border-top: none;
}

.article-body-content p {
  font-size: 1.05rem;
  color: var(--body);
  line-height: 1.8;
  margin-bottom: 20px;
}

.article-body-content ul, .article-body-content ol {
  margin: 0 0 20px 24px;
  color: var(--body);
}

.article-body-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.related-articles-box {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 2px solid var(--ice-soft);
}

.related-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.related-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-links-list a {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--tech-blue);
  display: flex;
  align-items: center;
  gap: 8px;
}

.related-links-list a::before {
  content: '→';
}

/* 分类页 (Category Layout) */
.category-page-header {
  padding: 50px 0 30px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.category-intro-box {
  max-width: 860px;
  font-size: 1.1rem;
  color: var(--body);
  line-height: 1.75;
  margin-top: 16px;
}

/* prefers-reduced-motion 禁用剧烈动画 */
@media (prefers-reduced-motion: reduce) {
  .cat-svg,
  .cat-front-leg-a,
  .cat-front-leg-b,
  .cat-back-leg-a,
  .cat-back-leg-b,
  .cat-tail,
  .cat-ear-left,
  .cat-ear-right,
  .cat-head,
  .paw-track {
    animation: none !important;
    transform: none !important;
  }
}

/* 响应式断点控制 */
@media (max-width: 1024px) {
  .hero-h1 { font-size: 2.6rem; }
  .header-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .staggered-scenarios-grid,
  .ai-台-layout,
  .device-footprint-list,
  .data-plan-ticks,
  .region-index-grid,
  .pricing-catstep-grid,
  .device-catsteps-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pricing-card.featured-card {
    transform: none;
  }
}

@media (max-width: 768px) {
  .site-header { height: 64px; }
  .hero-h1 { font-size: 2rem; }
  .hero-sub-copy { font-size: 1rem; }
  .staggered-scenarios-grid,
  .ai-台-layout,
  .device-footprint-list,
  .data-plan-ticks,
  .region-index-grid,
  .pricing-catstep-grid,
  .device-catsteps-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-floating-surfaces {
    display: flex;
    flex-direction: column;
    height: auto;
    gap: 16px;
  }
  .info-surface {
    position: static;
    width: 100% !important;
    height: auto !important;
  }

  /* 移动端取消大跳跃，只保留慢走停顿 */
  .cat-svg {
    animation: catMobileLoop 10s ease-in-out infinite;
  }
  @keyframes catMobileLoop {
    0% { transform: translateX(-60px); opacity: 0; }
    10% { opacity: 1; }
    40% { transform: translateX(80px); }
    70% { transform: translateX(80px); }
    100% { transform: translateX(200px); opacity: 0; }
  }

  /* Table 在移动端转为块状，禁止超宽滚动 */
  .line-table, .line-table tbody, .line-table tr, .line-table td {
    display: block;
    width: 100%;
  }
  .line-table th { display: none; }
  .line-table tr {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    padding: 12px;
  }
  .line-table td {
    padding: 8px;
    border-bottom: 1px stroke var(--border);
  }
  .line-table td::before {
    content: attr(data-label) ": ";
    font-weight: 700;
    color: var(--navy);
  }
}