/* ===== Variables — 共识塑造 · 大地色系 ===== */
:root {
  --bg-primary: #F5F0E8;
  --bg-secondary: #EDE6DA;
  --bg-elevated: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-solid: #FFFFFF;
  --bg-card-hover: #FAF7F2;
  --bg-panel: #FFFFFF;
  --border: rgba(45, 106, 79, 0.12);
  --border-light: rgba(45, 106, 79, 0.2);
  --border-warm: rgba(200, 122, 90, 0.25);
  --text-primary: #2C2825;
  --text-secondary: #5C534A;
  --text-muted: #8A8178;
  --text-on-accent: #FFFFFF;
  --accent-terracotta: #C87A5A;
  --accent-terracotta-dark: #A86144;
  --accent-green: #2D6A4F;
  --accent-green-light: #40916C;
  --accent-gold: #C87A5A;
  --accent-verified: #2D6A4F;
  --accent: var(--accent-terracotta);
  --accent-light: var(--accent-green);
  --accent-indigo: var(--accent-green);
  --accent-indigo-light: var(--accent-green-light);
  --accent-cyan: var(--accent-green);
  --accent-cyan-light: var(--accent-green-light);
  --accent-gold-light: var(--accent-terracotta);
  --accent-glow: rgba(200, 122, 90, 0.2);
  --cyan-glow: rgba(45, 106, 79, 0.15);
  --gradient-start: #C87A5A;
  --gradient-mid: #D4956E;
  --gradient-end: #2D6A4F;
  --gradient-accent: linear-gradient(135deg, var(--accent-terracotta), var(--accent-green));
  --success: #2D6A4F;
  --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', -apple-system, sans-serif;
  --font-serif: 'Cormorant Garamond', 'Noto Serif SC', Georgia, serif;
  --font-display: var(--font-serif);
  --font-mono: var(--font-sans);
  --header-bg: rgba(245, 240, 232, 0.92);
  --header-bg-scrolled: rgba(245, 240, 232, 0.98);
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-blur: none;
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 600;
}

/* ===== 全局氛围背景 ===== */
.site-ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.ambient-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 30%, black 20%, transparent 75%);
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}

.ambient-glow-1 {
  width: 700px;
  height: 700px;
  background: rgba(99, 102, 241, 0.12);
  top: -20%;
  left: -10%;
  animation: ambientFloat 18s ease-in-out infinite;
}

.ambient-glow-2 {
  width: 500px;
  height: 500px;
  background: rgba(6, 182, 212, 0.1);
  bottom: -10%;
  right: -5%;
  animation: ambientFloat 22s ease-in-out infinite reverse;
}

@keyframes ambientFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

.header,
.hero,
.section,
.footer {
  position: relative;
  z-index: 1;
}

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

ul { list-style: none; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-terracotta);
  color: var(--text-on-accent);
  box-shadow: 0 4px 20px var(--accent-glow);
  font-weight: 600;
  border-radius: 100px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--accent-terracotta-dark);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--accent-green);
  border: 1.5px solid var(--accent-green);
  backdrop-filter: none;
  border-radius: 100px;
}

.btn-outline:hover {
  background: rgba(45, 106, 79, 0.08);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-full { width: 100%; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--border);
  background: var(--header-bg-scrolled);
  box-shadow: 0 2px 24px rgba(44, 40, 37, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  object-fit: contain;
  background: transparent;
  border-radius: 0;
}

.header .logo-img {
  width: auto;
  height: 56px;
  max-width: none;
  aspect-ratio: 300 / 124;
  flex-shrink: 0;
  background: transparent;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  letter-spacing: -0.02em;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.logo-text {
  font-size: 15px;
  font-weight: 600;
}

.logo-text em {
  font-style: normal;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.08);
}

.nav-gen {
  color: var(--accent-cyan-light) !important;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  padding: 6px 10px;
  font-family: inherit;
  transition: var(--transition);
}

.lang-toggle:hover {
  border-color: var(--border-light);
  background: rgba(255, 255, 255, 0.06);
}

.lang-toggle .lang-zh,
.lang-toggle .lang-en {
  padding: 2px 4px;
  border-radius: 4px;
  transition: var(--transition);
}

.lang-toggle .lang-zh.active,
.lang-toggle .lang-en.active {
  color: var(--accent-cyan-light);
  font-weight: 600;
  background: rgba(99, 102, 241, 0.15);
}

.lang-toggle .lang-sep {
  color: var(--text-muted);
  pointer-events: none;
}

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

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 60px) 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 40%, black, transparent);
}

.hero-particles {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1.5px 1.5px at 10% 20%, rgba(99, 102, 241, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 30% 65%, rgba(6, 182, 212, 0.4), transparent),
    radial-gradient(2px 2px at 55% 15%, rgba(129, 140, 248, 0.45), transparent),
    radial-gradient(1.5px 1.5px at 75% 45%, rgba(6, 182, 212, 0.35), transparent),
    radial-gradient(2px 2px at 90% 75%, rgba(99, 102, 241, 0.4), transparent),
    radial-gradient(1.5px 1.5px at 45% 85%, rgba(34, 211, 238, 0.3), transparent);
  animation: particleDrift 25s linear infinite;
}

@keyframes particleDrift {
  0% { transform: translateY(0); opacity: 0.7; }
  50% { opacity: 1; }
  100% { transform: translateY(-30px); opacity: 0.7; }
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.hero-glow-1 {
  width: 650px;
  height: 650px;
  background: rgba(99, 102, 241, 0.18);
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
}

.hero-glow-2 {
  width: 450px;
  height: 450px;
  background: rgba(6, 182, 212, 0.12);
  bottom: 5%;
  right: 5%;
}

.hero-glow-3 {
  width: 350px;
  height: 350px;
  background: rgba(129, 140, 248, 0.1);
  top: 40%;
  left: 5%;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 900px;
}

.hero-tag {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-indigo-light);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  font-weight: 600;
}

.hero-domain {
  display: inline-block;
  margin-top: 20px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.hero-domain em {
  font-style: normal;
  color: var(--accent-cyan-light);
}

.hero-title {
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.1s forwards;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 22px);
  color: var(--text-secondary);
  margin-bottom: 12px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 40px;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.3s forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-indigo), var(--accent-cyan), transparent);
  animation: scrollPulse 2s ease infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
  position: relative;
}

/* Alternating section backgrounds */
body > section:nth-of-type(odd) {
  background: var(--bg-primary);
}

body > section:nth-of-type(even) {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan-light);
  margin-bottom: 16px;
  padding: 6px 16px;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 100px;
  background: rgba(99, 102, 241, 0.1);
  font-weight: 600;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}

.section-title-xl {
  font-size: clamp(36px, 5vw, 56px);
}

.skaas-title {
  white-space: nowrap;
  font-size: clamp(20px, 2.85vw, 42px);
  letter-spacing: -0.02em;
}

.section-desc strong {
  color: var(--accent-cyan-light);
  font-weight: 600;
}

/* ===== Vision ===== */
.era-cards {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.era-card {
  flex: 1;
  min-width: 260px;
  max-width: 360px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.era-card-active {
  border-color: rgba(99, 102, 241, 0.45);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(6, 182, 212, 0.06));
  box-shadow: 0 0 48px rgba(99, 102, 241, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.era-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan-light);
  margin-bottom: 16px;
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.15);
  border-radius: 100px;
}

.era-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.era-card p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.era-core {
  font-size: 12px;
  color: var(--text-muted);
}

.era-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 600;
}

.arrow-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gradient-mid));
}

.next-gen {
  font-size: 10px;
  letter-spacing: 0.1em;
}

.vision-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.vision-step {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.vision-step:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.step-num {
  display: block;
  font-size: 32px;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
  margin-bottom: 16px;
}

.vision-step h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
}

.vision-step p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== Stats — 沉浸式数据卡片 ===== */
.insights-immersive {
  padding: 120px 0;
}

.stats-grid-featured {
  gap: 20px;
}

.stat-card-featured {
  text-align: left;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
  position: relative;
  overflow: hidden;
}

.stat-card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: var(--transition);
}

.stat-card-featured:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(99, 102, 241, 0.12);
}

.stat-card-featured:hover::before {
  opacity: 1;
}

.stat-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--accent-cyan-light);
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat-value-row {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 4px;
}

.stat-number {
  font-size: clamp(48px, 5vw, 64px);
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline;
  letter-spacing: -0.03em;
}

.stat-unit {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--accent-cyan-light);
  display: inline;
}

.stat-label {
  font-size: 17px;
  font-weight: 700;
  margin-top: 12px;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.stat-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.stat-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
}

/* ===== GEO — 核心概念突出 ===== */
.geo-immersive {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  overflow: hidden;
}

.geo-section-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 400px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.geo-featured {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px 32px;
  padding: 36px 40px;
  margin-bottom: 48px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(6, 182, 212, 0.06));
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-lg);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.1);
}

.geo-featured-badge {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-accent);
  border-radius: 16px;
  color: #fff;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.geo-featured-body {
  flex: 1;
  min-width: 200px;
}

.geo-featured-en {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-indigo-light);
  margin-bottom: 6px;
}

.geo-featured-tagline {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.5;
}

.geo-flow {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-left: auto;
}

.geo-flow-node {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
}

.geo-flow-highlight {
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(99, 102, 241, 0.4);
  color: var(--accent-cyan-light);
}

.geo-flow-arrow {
  color: var(--accent-indigo-light);
  font-size: 16px;
  font-weight: 700;
}

.geo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.geo-card {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  backdrop-filter: var(--glass-blur);
}

.geo-card:hover {
  border-color: rgba(6, 182, 212, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(6, 182, 212, 0.08);
}

.geo-icon-wrap {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 14px;
}

.geo-icon {
  font-size: 24px;
  color: var(--accent-cyan-light);
}

.geo-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.geo-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===== SkaaS Iceberg ===== */
.iceberg {
  width: 100%;
}

.iceberg-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}

.iceberg-card {
  padding: 36px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.06));
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-lg);
}

.iceberg-card h3 {
  font-size: 20px;
  margin-bottom: 16px;
}

.iceberg-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.iceberg-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.iceberg-stats div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.iceberg-stats strong {
  font-size: 22px;
  color: var(--accent-light);
}

.iceberg-stats span {
  font-size: 12px;
  color: var(--text-muted);
}

.waterline {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 32px 0;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.15em;
}

.waterline-bar {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.iceberg-card-dark {
  background: var(--bg-card);
  border-color: var(--border);
}

.skaas-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.skaas-feature {
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.skaas-feature strong {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--accent-light);
}

.skaas-feature span {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Tech ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.tech-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.tech-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.tech-card h4 {
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--accent-light);
}

.tech-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.agents-section {
  text-align: center;
}

.agents-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.agents-desc {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 40px;
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.agent-card {
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.agent-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.1);
}

.agent-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.agent-card h4 {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 500;
}

.agent-cn {
  display: block;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.agent-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Services ===== */
.services-flow {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 16px;
}

.service-step {
  flex: 1;
  min-width: 180px;
  padding: 28px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.service-step:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.service-num {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: rgba(99, 102, 241, 0.3);
  margin-bottom: 12px;
}

.service-step h3 {
  font-size: 15px;
  margin-bottom: 10px;
}

.service-step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.service-arrow {
  flex-shrink: 0;
  align-self: center;
  color: var(--accent);
  font-size: 20px;
  padding-top: 20px;
}

/* ===== Platforms ===== */
.platforms-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.platforms-group-overseas {
  display: none !important;
}

.platforms-group h3 {
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--accent-green);
  font-weight: 600;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (min-width: 640px) {
  .platform-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
  }
}

@media (min-width: 1024px) {
  .platform-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.platform-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: var(--transition);
  min-width: 0;
}

.platform-card:hover {
  border-color: rgba(45, 106, 79, 0.35);
  box-shadow: 0 8px 24px rgba(44, 40, 37, 0.06);
  transform: translateY(-1px);
}

.platform-logo {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-logo-inline {
  display: block;
  flex-shrink: 0;
}

.platform-logo-svg,
.case-platform-svg {
  width: 40px;
  height: 40px;
  display: block;
  flex-shrink: 0;
}

.platform-card .platform-logo-svg {
  width: 36px;
  height: 36px;
}

.platform-logo-img {
  width: 36px;
  height: 36px;
  display: block;
  flex-shrink: 0;
  border-radius: 50%;
  border: 0.5px solid var(--border);
  object-fit: cover;
  background: #fff;
}

.platform-logo-img--contain {
  border-radius: 6px;
  border: none;
  object-fit: contain;
  background: transparent;
}

.platform-card[data-platform='tongyi'] .platform-logo,
.platform-card[data-platform='hailuo'] .platform-logo {
  width: 44px;
  height: 36px;
}

.platform-card[data-platform='tongyi'] .platform-logo-img,
.platform-card[data-platform='hailuo'] .platform-logo-img {
  width: 100%;
  height: 100%;
  max-width: 44px;
}

.case-platform-img.platform-logo-img--contain {
  border-radius: 4px;
}

.case-platform-img {
  width: 18px;
  height: 18px;
}

.case-platform-svg {
  width: 18px;
  height: 18px;
}

.platform-info {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
}

.platform-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.25;
}

.platform-meta {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.25;
}

.platform-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-tag {
  padding: 10px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  transition: var(--transition);
}

.platform-tag:hover {
  border-color: rgba(99, 102, 241, 0.3);
  background: rgba(99, 102, 241, 0.05);
}

.platform-tag em {
  font-style: normal;
  color: var(--text-muted);
  font-size: 11px;
  margin-left: 6px;
}

/* ===== Advantages ===== */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.compare-grid-single {
  grid-template-columns: minmax(280px, 480px);
  justify-content: center;
}

.compare-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.compare-card h4 {
  font-size: 15px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.compare-card li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.compare-card li:last-child { border-bottom: none; }

.compare-strong {
  border-color: rgba(99, 102, 241, 0.4);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.06));
  box-shadow: 0 0 40px rgba(99, 102, 241, 0.1);
}

.compare-strong h4 {
  color: var(--accent-light);
  font-size: 16px;
}

.compare-strong li {
  color: var(--text-secondary);
}

/* ===== About ===== */
.about-header .section-label {
  margin-bottom: 24px;
}

.about-logo-mark {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0 0 48px;
  width: 100%;
}

.about-stats div {
  text-align: center;
}

.about-stats strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-light);
}

.about-stats span {
  font-size: 12px;
  color: var(--text-muted);
}

.about-tagline {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.about-content {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.about-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-content p:last-child {
  margin-bottom: 0;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.about-tags span {
  padding: 6px 14px;
  font-size: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-secondary);
}

.about-visual {
  display: flex;
  width: 100%;
}

.about-logo-card {
  width: 100%;
  min-height: 280px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.about-logo {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 700;
  color: #fff;
}

.about-logo-card p {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ===== Clients / Cases ===== */
.clients .section-title em {
  font-style: normal;
  color: var(--accent-light);
}

.cases-overview {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.case-metric {
  padding: 24px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}

.case-metric:hover {
  border-color: rgba(99, 102, 241, 0.3);
}

.case-metric-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.case-metric-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.case-metric-value strong {
  color: var(--accent-light);
  font-size: 22px;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.case-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.08);
}

.case-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.case-industry {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(99, 102, 241, 0.12);
  border-radius: 100px;
  white-space: nowrap;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.case-tags span {
  padding: 3px 8px;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.case-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.4;
}

.case-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.case-stat {
  text-align: center;
}

.case-stat strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 4px;
}

.case-stat span {
  font-size: 11px;
  color: var(--text-muted);
}

.case-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.case-platform {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(45, 106, 79, 0.06);
  border: 1px solid var(--border);
  border-radius: 100px;
  line-height: 1;
}

.case-platform-label {
  line-height: 1;
}

.case-platform .case-platform-img,
.case-platform .case-platform-svg,
.case-platform .platform-logo-inline {
  flex-shrink: 0;
}

.case-platforms span:not(.case-platform) {
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-secondary);
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 100px;
}

/* ===== GEO News ===== */
.news .section-header {
  opacity: 1;
  transform: none;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.news-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  overflow: hidden;
}

.news-card-visual {
  margin: -28px -28px 16px;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.1));
  font-size: 2rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.2);
}

.news-card-visual.visual-geo {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(139, 92, 246, 0.08));
}

.news-card-visual .news-cover-img {
  width: 100%;
  min-height: 140px;
  max-height: 180px;
  object-fit: cover;
  display: block;
}

.news-card:hover {
  border-color: rgba(99, 102, 241, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.08);
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.news-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(99, 102, 241, 0.12);
  border-radius: 100px;
  white-space: nowrap;
}

.news-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.news-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  transition: var(--transition);
  margin-top: auto;
}

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

.news-more {
  text-align: center;
}

.news-loading,
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 15px;
}

/* ===== CTA ===== */
.cta-card {
  text-align: center;
  padding: 80px 40px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.18), rgba(6, 182, 212, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.22), transparent 60%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
  position: relative;
}

.cta-card p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ===== Footer ===== */
.footer {
  padding: 80px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 16px 0 24px;
}

.social-groups {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.social-groups h5 {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.social-links a,
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-logo-svg {
  width: 32px;
  height: 32px;
  display: block;
  flex-shrink: 0;
}

.social-logo-img {
  width: 32px;
  height: 32px;
  display: block;
  flex-shrink: 0;
  border-radius: 7px;
  object-fit: cover;
}

.social-links a:hover,
.social-link:hover {
  border-color: rgba(45, 106, 79, 0.4);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(44, 40, 37, 0.08);
}

.social-links-text a {
  width: auto;
  height: auto;
  padding: 6px 12px;
  font-size: 12px;
}

.social-links-text a:hover {
  color: var(--text-primary);
  transform: none;
  box-shadow: none;
}

.footer-links h5,
.footer-contact h5 {
  font-size: 14px;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 0;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--text-primary); }

.footer-contact p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--accent-light);
}

.footer-disclaimer {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-disclaimer p {
  font-size: 11px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 960px;
}

.clients-disclaimer {
  margin-top: 32px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: center;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: inherit;
  text-decoration: none;
}

.footer-bottom a:hover {
  color: var(--text-secondary);
  text-decoration: underline;
}

.footer-icp {
  margin: 0;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  transition: var(--transition);
}

.modal-close:hover { color: var(--text-primary); }

.modal h2 {
  font-size: 24px;
  margin-bottom: 12px;
}

.modal > .modal-form > p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.form-row {
  margin-bottom: 16px;
}

.form-row label {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-row label span {
  color: #ef4444;
}

.form-row input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}

.form-row input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-note {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 12px;
}

.hidden {
  display: none !important;
}

.modal-success {
  text-align: center;
  padding: 40px 20px;
}

.modal-success.hidden { display: none; }

.modal-success .btn {
  margin-top: 24px;
  min-width: 160px;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto 20px;
}

.modal-success h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.modal-success p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Animations on scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .mobile-toggle { display: flex; }

  .stats-grid,
  .geo-grid,
  .tech-grid,
  .agents-grid,
  .compare-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .vision-steps { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-overview { grid-template-columns: repeat(2, 1fr); }
  .skaas-features { grid-template-columns: repeat(2, 1fr); }
  .iceberg-stats { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .stats-grid,
  .geo-grid,
  .tech-grid,
  .agents-grid,
  .compare-grid,
  .platforms-wrapper,
  .news-grid,
  .cases-grid,
  .cases-overview {
    grid-template-columns: 1fr;
  }

  .era-cards { flex-direction: column; }
  .era-arrow { transform: rotate(90deg); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .skaas-features { grid-template-columns: 1fr; }
  .iceberg-stats { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .nav-actions .btn-sm { display: none; }
  .cta-card { padding: 48px 24px; }
  .geo-featured {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }
  .geo-flow {
    margin-left: 0;
    width: 100%;
    justify-content: center;
  }
}

/* ===== GEO News Page ===== */
.news-page-main {
  position: relative;
  z-index: 1;
  padding-top: var(--header-height);
}

.nav-links a.nav-active {
  color: var(--accent-light) !important;
  background: rgba(99, 102, 241, 0.1);
}

.news-subscribe {
  padding: 48px 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(139, 92, 246, 0.06));
  border-bottom: 1px solid var(--border);
}

.news-subscribe-card {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.news-subscribe-card h1 {
  font-size: clamp(24px, 4vw, 32px);
  margin-bottom: 12px;
}

.news-subscribe-card > .news-subscribe-text p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.7;
}

.news-subscribe-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 12px;
}

.news-subscribe-form input {
  flex: 1;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
}

.news-subscribe-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.news-subscribe-note {
  font-size: 12px;
  color: var(--text-muted);
}

.news-page-content {
  padding-top: 48px;
  padding-bottom: 80px;
}

.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.news-filter {
  padding: 10px 20px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}

.news-filter:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.news-filter.active {
  color: #fff;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-mid));
  border-color: transparent;
}

.news-featured {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  transition: var(--transition);
}

.news-featured:hover {
  border-color: rgba(99, 102, 241, 0.35);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.1);
}

.news-featured-visual {
  position: relative;
  min-height: 280px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-featured-bg {
  font-size: 72px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.15);
}

.news-featured-label {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-light);
  background: rgba(0, 0, 0, 0.4);
  border-radius: 100px;
}

.news-featured-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.news-hot {
  color: #f59e0b;
  font-weight: 600;
}

.news-views,
.news-readtime {
  color: var(--text-muted);
}

.news-featured-body h2 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.news-featured-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.news-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-keywords span {
  padding: 4px 10px;
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-list-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.news-list-item:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateX(4px);
}

.news-list-item.news-list-hidden,
.news-list-item.news-filter-hidden {
  display: none;
}

.news-list-visual {
  border-radius: var(--radius);
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(16, 163, 127, 0.2), rgba(16, 163, 127, 0.08));
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
}

.news-list-visual.visual-gemini {
  background: linear-gradient(135deg, rgba(66, 133, 244, 0.25), rgba(66, 133, 244, 0.08));
}

.news-list-visual.visual-google {
  background: linear-gradient(135deg, rgba(234, 67, 53, 0.25), rgba(234, 67, 53, 0.08));
}

.news-list-visual.visual-report {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(99, 102, 241, 0.08));
}

.news-list-visual.visual-geo {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(139, 92, 246, 0.08));
}

.news-list-visual.visual-case {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.25), rgba(34, 197, 94, 0.08));
}

.news-list-visual--image,
.news-detail-cover:has(.news-cover-img) {
  padding: 0;
  overflow: hidden;
}

.news-cover-img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  display: block;
}

.news-featured-visual .news-cover-img {
  position: absolute;
  inset: 0;
  min-height: 100%;
}

.news-list-visual--image .news-cover-img {
  min-height: 120px;
}

.news-detail-cover .news-cover-img {
  min-height: 240px;
  max-height: 420px;
}

.news-list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.news-list-cat {
  color: var(--accent-light);
  font-weight: 500;
}

.news-list-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 10px;
}

.news-list-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-load-more-wrap {
  text-align: center;
  margin-top: 40px;
}

.news-pagination-wrap {
  margin-top: 48px;
}

.news-pagination {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.news-page-summary {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.news-page-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.news-page-btn,
.news-page-num {
  min-width: 40px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.news-page-btn:hover:not(:disabled),
.news-page-num:hover:not(.active) {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.news-page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.news-page-num.active {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--text-on-accent);
}

.news-page-numbers {
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-page-ellipsis {
  padding: 0 4px;
  color: var(--text-muted);
  font-size: 14px;
}

#newsFeaturedWrap {
  margin-bottom: 32px;
}

#newsFeaturedWrap:empty {
  display: none;
  margin-bottom: 0;
}

.news-list .news-loading,
.news-list .news-empty {
  padding: 64px 24px;
}

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid rgba(34, 197, 94, 0.4);
  color: var(--success);
  border-radius: 100px;
  font-size: 14px;
  z-index: 3000;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.toast.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(20px);
}

/* ── News item full-card link ── */
.news-featured,
.news-list-item {
  position: relative;
}

.news-item-full-link {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
}

/* ── News detail page ── */
.news-detail-main {
  padding-top: 100px;
  padding-bottom: 80px;
}

.news-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.news-breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

.breadcrumb-sep {
  opacity: 0.4;
}

.breadcrumb-current {
  color: var(--text-secondary);
}

.news-detail-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 40px;
  align-items: start;
}

.news-detail-article {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.news-detail-header {
  padding: 32px 36px 24px;
}

.news-detail-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.news-detail-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.news-detail-cover {
  width: 100%;
  min-height: 240px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(245, 158, 11, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-detail-cover-bg {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.85;
}

.news-detail-cover-bg.visual-gemini {
  background: linear-gradient(135deg, #4285f4, #34a853);
  -webkit-background-clip: text;
  background-clip: text;
}

.news-detail-cover-bg.visual-google {
  background: linear-gradient(135deg, #ea4335, #fbbc04);
  -webkit-background-clip: text;
  background-clip: text;
}

.news-detail-cover-bg.visual-report {
  background: linear-gradient(135deg, #8b5cf6, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
}

.news-detail-cover-bg.visual-geo {
  background: linear-gradient(135deg, #0ea5e9, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
}

.news-detail-cover-bg.visual-case {
  background: linear-gradient(135deg, #10b981, #0ea5e9);
  -webkit-background-clip: text;
  background-clip: text;
}

.news-detail-body {
  padding: 36px;
}

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.article-body p {
  margin-bottom: 1.25em;
}

.article-body h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 2em 0 0.75em;
  padding-left: 12px;
  border-left: 3px solid var(--primary);
}

.article-body ul {
  margin: 0 0 1.25em 1.25em;
  padding: 0;
}

.article-body li {
  margin-bottom: 0.5em;
}

.article-body blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  background: rgba(99, 102, 241, 0.08);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-primary);
  font-style: normal;
}

.article-body strong {
  color: var(--text-primary);
}

.news-detail-footer {
  padding: 24px 36px 36px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.news-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.news-detail-tags span {
  padding: 4px 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 20px;
  font-size: 0.8125rem;
  color: var(--primary);
}

.news-detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 100px;
}

.sidebar-cta {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(245, 158, 11, 0.08));
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
}

.sidebar-cta h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.sidebar-cta p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.sidebar-related {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-related h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

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

.related-list li {
  border-bottom: 1px solid var(--border);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  display: block;
  padding: 14px 0;
  text-decoration: none;
  transition: var(--transition);
}

.related-list a:hover .related-title {
  color: var(--primary);
}

.related-date {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.related-title {
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  transition: var(--transition);
}

@media (max-width: 1024px) {
  .news-detail-layout {
    grid-template-columns: 1fr;
  }

  .news-detail-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .news-subscribe-form {
    flex-direction: column;
  }

  .news-featured {
    grid-template-columns: 1fr;
  }

  .news-featured-visual {
    min-height: 160px;
  }

  .news-list-item {
    grid-template-columns: 1fr;
  }

  .news-list-visual {
    min-height: 80px;
  }

  .news-detail-header,
  .news-detail-body,
  .news-detail-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .news-detail-cover {
    min-height: 160px;
  }
}


/* ===== Magazine / Consensus Design System ===== */
.text-terracotta { color: var(--accent-terracotta); }
.text-green { color: var(--accent-green); }
.highlight-warm { color: var(--accent-terracotta); font-style: italic; }

.warm-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: var(--bg-primary);
}

.header {
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header.scrolled {
  background: var(--header-bg-scrolled);
  box-shadow: 0 2px 24px rgba(44, 40, 37, 0.06);
}

.logo-icon {
  background: var(--accent-green);
  color: #fff;
  border-radius: 12px;
  box-shadow: none;
}

.nav-links a { color: var(--text-secondary); }
.nav-links a:hover { background: rgba(45, 106, 79, 0.08); color: var(--accent-green); }
.nav-gen { color: var(--accent-terracotta) !important; }

.lang-toggle .lang-zh.active,
.lang-toggle .lang-en.active {
  color: var(--accent-green);
  background: rgba(45, 106, 79, 0.1);
}

.section-label {
  color: var(--accent-green);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.section-header { text-align: center; }

.section-title em {
  font-style: italic;
  color: var(--accent-terracotta);
}

/* Hero — 杂志双栏 */
.hero-magazine {
  min-height: auto;
  padding: calc(var(--header-height) + 48px) 0 80px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-copy { max-width: 560px; }

.hero-tag {
  color: var(--accent-terracotta);
  animation: none;
  opacity: 1;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(36px, 4.5vw, 58px);
  font-weight: 600;
  animation: none;
  opacity: 1;
  line-height: 1.15;
}

.hero-subtitle,
.hero-desc,
.hero-actions { animation: none; opacity: 1; }

.hero-subtitle { color: var(--text-secondary); font-family: var(--font-sans); font-size: 18px; }
.hero-desc { color: var(--text-muted); font-family: var(--font-sans); }

.pull-quote {
  margin: 28px 0;
  padding-left: 20px;
  border-left: 3px solid var(--accent-terracotta);
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
}

.hero-actions { justify-content: flex-start; margin-top: 8px; }

.hero-visual { position: relative; }

.photo-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(44, 40, 37, 0.12);
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-size: cover;
  background-position: center;
}

.photo-hero {
  background:
    linear-gradient(160deg, rgba(200, 122, 90, 0.15) 0%, transparent 50%),
    linear-gradient(220deg, rgba(45, 106, 79, 0.2) 0%, transparent 40%),
    url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?w=800&q=80') center/cover;
}

.photo-scene {
  aspect-ratio: 3 / 4;
  background:
    linear-gradient(180deg, rgba(245, 240, 232, 0.1) 0%, rgba(45, 106, 79, 0.15) 100%),
    url('https://images.unsplash.com/photo-1600880292203-757bb62b4baf?w=800&q=80') center/cover;
}

.photo-caption {
  display: block;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-sans);
}

.sketch-deco {
  position: absolute;
  bottom: -20px;
  right: -10px;
  width: 120px;
  height: 80px;
  pointer-events: none;
}

.light-sweep::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.45) 50%, transparent 60%);
  transform: translateX(-100%);
  animation: lightSweep 2.8s ease 0.6s forwards;
  pointer-events: none;
}

@keyframes lightSweep {
  to { transform: translateX(100%); }
}

/* Consensus section */
.editorial-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.editorial-split {
  display: grid;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 8px 32px rgba(44, 40, 37, 0.04);
  transition: var(--transition);
}

.stat-card-warm:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(44, 40, 37, 0.08);
}

.stat-card-warm .stat-number {
  font-family: var(--font-serif);
  font-size: clamp(44px, 4vw, 56px);
  font-weight: 700;
  color: var(--accent-terracotta);
  background: none;
  -webkit-text-fill-color: var(--accent-terracotta);
}

.stat-card-warm:nth-child(even) .stat-number {
  color: var(--accent-green);
  -webkit-text-fill-color: var(--accent-green);
}

.stat-card-warm .stat-unit {
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--text-muted);
}

.stat-card-warm .stat-label {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 15px;
}

/* GEO — 降维解读 */
.geo-magazine {
  padding-bottom: 100px;
}

.geo-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 48px 56px;
  align-items: center;
  margin-bottom: 56px;
}

.geo-intro .editorial-copy {
  min-width: 0;
}

.geo-intro .geo-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(44, 40, 37, 0.05);
}

/* GEO 区块内容始终可见，避免 reveal 动画导致偶发不显示 */
.geo-magazine .editorial-copy,
.geo-magazine .geo-qa-pair,
.geo-magazine .geo-scene-card {
  opacity: 1;
  transform: none;
}

.consensus-experience .index-card-wrap {
  max-width: none;
  margin: 0;
}

.geo-index-section {
  margin: 28px 0 40px;
}

.geo-index-section .index-card-wrap {
  max-width: none;
  margin: 0;
}

.geo-index-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 32px;
}

.geo-index-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--text-primary);
  margin: 12px 0 10px;
  line-height: 1.25;
}

.geo-index-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.geo-index-row {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  gap: 28px;
  align-items: stretch;
  margin-bottom: 56px;
}

.geo-index-row .geo-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(44, 40, 37, 0.05);
}

.geo-index-row .sketch-geo {
  width: 100%;
  max-width: 220px;
}

.geo-index-row .index-card-wrap {
  max-width: none;
  margin: 0;
  height: 100%;
}

.geo-index-row .index-layout {
  min-height: 100%;
}

.geo-simplify {
  margin-top: 20px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  border-left: 4px solid var(--accent-terracotta);
  font-family: var(--font-serif);
  font-size: 18px;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.7;
}

.sketch-geo { width: 100%; max-width: 220px; margin: 0 auto; display: block; }

.geo-grid-warm {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.geo-card-warm {
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(44, 40, 37, 0.04);
  transition: var(--transition);
}

.geo-card-warm:hover {
  border-color: var(--border-warm);
  transform: translateY(-3px);
}

.geo-card-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 32px;
  color: var(--accent-terracotta);
  opacity: 0.5;
  margin-bottom: 12px;
}

.geo-card-warm h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.geo-card-warm p {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Clients — 故事感 */
.case-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 8px 32px rgba(44, 40, 37, 0.05);
}

.case-metric {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.case-metric-value strong { color: var(--accent-green); }

.cta-card {
  background: var(--bg-card);
  border: 1px solid var(--border-warm);
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 48px rgba(44, 40, 37, 0.06);
}

.cta-card::before { display: none; }

.era-card,
.vision-step,
.tech-card,
.iceberg-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(44, 40, 37, 0.04);
}

.era-card-active {
  border-color: var(--accent-terracotta);
  background: rgba(200, 122, 90, 0.06);
  box-shadow: 0 8px 32px rgba(200, 122, 90, 0.1);
}

.step-num {
  font-family: var(--font-serif);
  color: var(--accent-terracotta);
  background: none;
  -webkit-text-fill-color: var(--accent-terracotta);
  opacity: 0.6;
}

.gradient-text {
  color: var(--accent-terracotta);
  background: none;
  -webkit-text-fill-color: var(--accent-terracotta);
}

.form-row input {
  background: #fff;
  border-color: var(--border);
  border-radius: var(--radius);
}

.form-row input:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.modal-dialog {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
}

/* Animations — 卷轴 / 翻页（不用 clip-path，避免内容被裁切显示不全） */
.reveal-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-page {
  opacity: 0;
  transform: perspective(900px) rotateY(-6deg) translateX(12px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal-page.visible {
  opacity: 1;
  transform: perspective(900px) rotateY(0) translateX(0);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}

.footer-brand .logo-img {
  width: auto;
  height: 40px;
  max-width: none;
  aspect-ratio: 300 / 124;
  background: transparent;
}

@media (max-width: 1024px) {
  .hero-layout,
  .editorial-split,
  .geo-intro {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .stats-grid-warm,
  .geo-grid-warm {
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-links.open {
    z-index: 1100;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 16px 48px rgba(44, 40, 37, 0.12);
  }

  .nav-links.open a {
    padding: 12px 14px;
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  html {
    overflow-x: hidden;
  }

  body {
    overflow-x: hidden;
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }

  body.nav-open {
    overflow: hidden;
  }

  .container {
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 40px;
    text-align: center;
  }

  .section-title {
    font-size: clamp(26px, 7vw, 36px);
  }

  .section-title.skaas-title {
    font-size: clamp(15px, 3.8vw, 22px);
    white-space: nowrap;
  }

  .section-desc {
    font-size: 15px;
  }

  /* Header & Nav */
  .header {
    height: auto;
    min-height: var(--header-height);
  }

  .nav {
    padding: 8px 0;
  }

  .logo-text {
    font-size: 14px;
  }

  .header .logo-img {
    height: 44px;
    width: auto;
    max-width: none;
  }

  .footer-brand .logo-img {
    width: auto;
    height: 36px;
    max-width: none;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-actions .btn-sm {
    display: none;
  }

  /* Hero */
  .hero-magazine {
    padding: calc(var(--header-height) + 20px) 0 48px;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-visual {
    order: -1;
  }

  .hero-title {
    font-size: clamp(28px, 8vw, 40px);
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .pull-quote {
    font-size: 17px;
    margin: 20px 0;
    padding-left: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .photo-placeholder.photo-hero {
    aspect-ratio: 16 / 10;
  }

  .photo-caption {
    font-size: 12px;
    padding: 12px 16px;
  }

  .sketch-deco {
    display: none;
  }

  .editorial-copy {
    text-align: left;
  }

  .photo-placeholder.photo-scene {
    aspect-ratio: 16 / 11;
  }

  /* Stats & GEO */
  .insights-magazine,
  .geo-magazine,
  .clients-magazine {
    padding-left: 0;
    padding-right: 0;
  }

  .stats-grid-warm,
  .geo-grid-warm {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-card-warm {
    padding: 28px 20px;
  }

  .stat-card-warm .stat-number {
    font-size: 40px;
  }

  .geo-simplify {
    font-size: 16px;
    padding: 16px 18px;
  }

  .sketch-geo {
    max-width: 180px;
  }

  /* Vision / Era */
  .era-cards {
    gap: 16px;
  }

  .era-card {
    min-width: 0;
    max-width: none;
    width: 100%;
    padding: 24px 20px;
  }

  /* Cases */
  .case-card {
    padding: 24px 20px;
  }

  .case-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .case-stat strong {
    font-size: 15px;
  }

  .case-stat span {
    font-size: 11px;
  }

  .case-platforms {
    flex-wrap: wrap;
    gap: 8px;
  }

  /* CTA & Footer */
  .cta-card {
    padding: 40px 20px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .footer {
    padding: 48px 0 max(24px, env(safe-area-inset-bottom));
  }

  .footer-grid {
    gap: 32px;
  }

  /* Modal — bottom sheet style */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal {
    padding: 28px 20px max(24px, env(safe-area-inset-bottom));
    max-height: 92dvh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    margin: 0;
  }

  .modal h2 {
    font-size: 20px;
    padding-right: 32px;
  }

  .modal-close {
    top: 12px;
    right: 12px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Services scroll */
  .services-flow {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
    scroll-snap-type: x mandatory;
  }

  .service-step {
    scroll-snap-align: start;
    min-width: 72vw;
  }

  /* Iceberg / About */
  .iceberg-card {
    padding: 24px 20px;
  }

  .about-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* Simpler motion on small screens */
  .reveal-page {
    transform: translateY(24px);
    perspective: none;
  }

  .reveal-page.visible {
    transform: translateY(0);
  }

  .reveal-scroll {
    transform: translateY(20px);
  }

  .light-sweep::after {
    animation-duration: 2s;
  }

  /* News pages */
  .news-subscribe {
    padding: 32px 0;
  }

  .news-subscribe-card h1 {
    font-size: 24px;
  }

  .news-page-main .section-header {
    text-align: left;
  }

  .news-list-item {
    padding: 16px;
  }

  .news-detail-title {
    font-size: clamp(22px, 6vw, 28px);
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  .section {
    padding: 48px 0;
  }

  .hero-magazine {
    padding-bottom: 40px;
  }

  .cases-overview,
  .about-stats,
  .case-stats {
    grid-template-columns: 1fr;
  }

  .case-metric {
    padding: 20px 16px;
  }

  .platform-tags {
    gap: 8px;
  }

  .platform-tag {
    padding: 8px 12px;
    font-size: 13px;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 15px;
  }
}

/* ===== Narrative UX (保留现有视觉，增强旅程) ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent-terracotta); border-radius: 4px; }

.scroll-progress-wrap {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1001;
  background: rgba(45, 106, 79, 0.08);
}

.scroll-progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent-terracotta), var(--accent-green));
  transition: width 0.12s ease-out;
}

.chapter-indicator {
  position: fixed;
  bottom: 16px;
  left: 24px;
  z-index: 1001;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  pointer-events: none;
  padding-bottom: env(safe-area-inset-bottom);
}

.chapter-indicator::before {
  content: '— ';
  color: var(--accent-terracotta);
}

/* Hero narrative CTAs */
.hero-title-narrative { font-size: clamp(32px, 4.2vw, 52px); }

/* Story scroll chapters */
.story-chapters { display: flex; flex-direction: column; gap: 0; margin-top: 48px; }

.story-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 280px);
  gap: 32px 48px;
  align-items: center;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  opacity: 0.35;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.story-chapter.story-visible {
  opacity: 1;
  transform: translateY(0);
}

.story-chapter-copy {
  min-width: 0;
}

.story-chapter-num {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--accent-terracotta);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  display: block;
}

.story-chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0;
}

.story-chapter-stat {
  font-family: var(--font-serif);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
  text-align: right;
  margin: 0;
  justify-self: end;
  white-space: nowrap;
}

.story-chapter-stat em {
  font-style: normal;
  font-size: 0.45em;
  color: var(--accent-terracotta);
}

.story-chapter-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-top: 12px;
}

.story-chapter-illus {
  margin-top: 24px;
  width: 64px;
  height: 64px;
  opacity: 0.7;
}

/* Consensus index tool */
.index-card-wrap {
  padding: 0;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: 0 16px 48px rgba(44, 40, 37, 0.06);
  overflow: hidden;
}

.index-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 420px;
}

.index-aside {
  padding: 36px 28px;
  background: linear-gradient(165deg, rgba(45, 106, 79, 0.08) 0%, rgba(200, 122, 90, 0.06) 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.index-aside-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-green);
  font-weight: 600;
  margin-bottom: 24px;
}

.index-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex: 1;
}

.index-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  opacity: 0.45;
  transition: opacity 0.25s ease;
}

.index-step.is-active,
.index-step.is-done {
  opacity: 1;
}

.index-step-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--accent-terracotta);
}

.index-step.is-active .index-step-num {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: #fff;
}

.index-step.is-done .index-step-num {
  background: rgba(45, 106, 79, 0.12);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.index-step strong {
  display: block;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.index-step span {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.index-aside-note {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

.index-main {
  padding: 36px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.index-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.index-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.index-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.index-form select,
.index-form input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.index-form select:focus,
.index-form input:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.12);
}

.index-card-wrap.has-result .index-form {
  display: none;
}

.index-result {
  width: 100%;
}

.index-result.hidden { display: none; }

.index-result.index-reveal {
  animation: indexFadeIn 0.5s ease forwards;
}

@keyframes indexFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.index-result-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: center;
}

.index-gauge-wrap {
  text-align: center;
}

.index-gauge {
  width: 148px;
  height: 148px;
  margin: 0 auto 12px;
  border-radius: 50%;
  border: 8px solid var(--bg-secondary);
  border-top-color: var(--accent-green);
  border-right-color: var(--accent-terracotta);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.index-score-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
}

.index-score-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.index-discuss-badge {
  font-size: 13px;
  color: var(--text-secondary);
}

.index-discuss-badge strong {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--accent-terracotta);
  margin: 0 2px;
}

.index-result-copy {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.index-result-note {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-primary);
  line-height: 1.65;
}

.index-result-note strong {
  color: var(--accent-terracotta);
  font-weight: 700;
}

.index-result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.index-result-actions .btn {
  flex: 1;
  min-width: 140px;
}

/* GEO Q&A */
.geo-magazine .geo-qa-list {
  margin-top: 8px;
}

.geo-qa-list { display: flex; flex-direction: column; gap: 20px; margin-bottom: 48px; width: 100%; }

.geo-qa-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  padding: 28px 32px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.geo-qa-question {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
}

.geo-qa-answer {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  padding-left: 20px;
  border-left: 3px solid var(--accent-green);
}

.geo-scene-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  width: 100%;
}

.geo-scene-card {
  text-align: center;
  padding: 28px 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  height: 100%;
}

.geo-scene-card h3 {
  font-size: 17px;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.geo-scene-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

.geo-scene-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

/* Service tiers — 启程 / 远航 / 引领 */
.service-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.tier-card {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.tier-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.35) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  pointer-events: none;
}

.tier-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(44, 40, 37, 0.1);
}

.tier-card:hover::after { transform: translateX(100%); }

.tier-proof {
  margin-top: 16px;
  padding: 12px 14px;
  background: rgba(45, 106, 79, 0.06);
  border-radius: var(--radius);
  font-size: 13px;
  font-style: italic;
  color: var(--accent-green);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.tier-card:hover .tier-proof {
  opacity: 1;
  transform: translateY(0);
}

.tier-stage {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-terracotta);
  margin-bottom: 8px;
}

.tier-name {
  font-family: var(--font-serif);
  font-size: 28px;
  margin-bottom: 8px;
}

.tier-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

.tier-story {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tier-outcome {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-green);
}

.services-process-label {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

/* Testimonial gallery */
.testimonial-gallery {
  margin-bottom: 48px;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 24px;
  -webkit-overflow-scrolling: touch;
}

.testimonial-card {
  flex: 0 0 min(340px, 85vw);
  scroll-snap-align: start;
  padding: 32px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 8px 32px rgba(44, 40, 37, 0.05);
}

.testimonial-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-green);
  margin-bottom: 16px;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 20px;
  font-style: italic;
  line-height: 1.55;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.testimonial-metric {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(200, 122, 90, 0.1);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-terracotta);
}

/* Contact drawer (右侧滑出) */
.contact-drawer {
  justify-content: flex-end;
  align-items: stretch;
  padding: 0;
}

.contact-drawer .modal {
  max-width: 440px;
  width: 100%;
  height: 100%;
  max-height: none;
  margin: 0;
  border-radius: 0;
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-drawer.active .modal {
  transform: translateX(0);
}

.contact-drawer .modal-form h2 {
  font-family: var(--font-serif);
  font-size: 26px;
}

.drawer-promise {
  font-size: 13px;
  color: var(--accent-green);
  margin-bottom: 20px;
  padding: 12px 14px;
  background: rgba(45, 106, 79, 0.08);
  border-radius: var(--radius);
}

.modal-success-bonus {
  margin-top: 12px;
  padding: 14px;
  background: rgba(45, 106, 79, 0.08);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Mobile tab bar */
.mobile-tab-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(245, 240, 232, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.mobile-tab-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px;
  font-size: 11px;
  color: var(--text-muted);
  border-radius: var(--radius);
  min-height: 48px;
}

.mobile-tab-bar a.active,
.mobile-tab-bar a:hover {
  color: var(--accent-green);
  background: rgba(45, 106, 79, 0.08);
}

@media (max-width: 1024px) {
  .geo-qa-pair { grid-template-columns: 1fr; }
  .geo-qa-answer { padding-left: 0; border-left: none; border-top: 3px solid var(--accent-green); padding-top: 16px; }
  .service-tiers { grid-template-columns: 1fr; }
  .geo-scene-grid { grid-template-columns: repeat(2, 1fr); }

  .geo-index-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .geo-index-row .geo-illustration {
    padding: 32px 24px;
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
  }

  .index-layout { grid-template-columns: 1fr; min-height: auto; }
  .index-aside {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 24px;
  }
  .index-steps {
    flex-direction: row;
    gap: 12px;
  }
  .index-step {
    flex: 1;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
  }
  .index-step span { font-size: 12px; }
  .index-aside-note { margin-top: 20px; padding-top: 16px; }
}

@media (max-width: 768px) {
  .chapter-indicator { display: none; }
  .scroll-progress-wrap { bottom: calc(56px + env(safe-area-inset-bottom)); }
  .mobile-tab-bar { display: grid; }
  body { padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .story-chapter {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 32px 0;
  }

  .story-chapter-stat {
    text-align: left;
    justify-self: start;
  }
  .geo-scene-grid { grid-template-columns: 1fr 1fr; }
  .tier-proof { opacity: 1; transform: none; }
  .contact-drawer .modal { max-width: 100%; }

  .index-form-row { grid-template-columns: 1fr; }
  .index-main { padding: 24px 20px; }
  .index-result-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .index-result-actions { flex-direction: column; }
  .index-result-actions .btn { width: 100%; }
  .index-steps { flex-direction: column; }
  .index-step { flex-direction: row; text-align: left; align-items: flex-start; }
}

.hidden-section {
  display: none !important;
}

/* ===== WeChat official account float ===== */
.wechat-float {
  position: fixed;
  right: 0;
  top: calc(50% - 38px);
  transform: translateY(-50%);
  z-index: 1002;
  display: flex;
  align-items: stretch;
  pointer-events: none;
}

.wechat-float-tab,
.wechat-float-panel {
  pointer-events: auto;
}

.wechat-float-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 44px;
  padding: 14px 8px;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background: #0047AB;
  color: #fff;
  cursor: pointer;
  box-shadow: -4px 4px 20px rgba(0, 71, 171, 0.35);
  transition: var(--transition);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
}

.wechat-float-tab:hover,
.wechat-float.is-open .wechat-float-tab {
  background: #0058d4;
  width: 48px;
}

.wechat-float-icon {
  flex-shrink: 0;
  display: block;
  object-fit: contain;
  border-radius: 6px;
}

.wechat-float-tab-text {
  writing-mode: vertical-rl;
}

.wechat-float-panel {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(12px);
  width: 188px;
  padding: 20px 16px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(44, 40, 37, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.wechat-float:hover .wechat-float-panel,
.wechat-float.is-open .wechat-float-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

.wechat-float-close {
  display: none;
  position: absolute;
  top: 6px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
}

.wechat-float-close:hover {
  background: rgba(45, 106, 79, 0.08);
  color: var(--text-primary);
}

.wechat-float-qr {
  display: block;
  width: 140px;
  height: 140px;
  margin: 0 auto 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  object-fit: contain;
  background: #fff;
}

.wechat-float-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 4px;
}

.wechat-float-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .wechat-float {
    top: auto;
    bottom: calc(132px + env(safe-area-inset-bottom));
    transform: none;
  }

  .wechat-float-panel {
    top: auto;
    bottom: 0;
    transform: translateY(calc(100% + 12px)) translateX(0);
    right: 0;
    width: min(188px, calc(100vw - 32px));
  }

  .wechat-float:hover .wechat-float-panel,
  .wechat-float.is-open .wechat-float-panel {
    transform: translateY(calc(100% + 8px)) translateX(0);
  }

  .wechat-float-close {
    display: block;
  }

  .wechat-float-tab {
    border-radius: var(--radius) 0 0 var(--radius);
  }
}

@media (prefers-reduced-motion: reduce) {
  .wechat-float-panel {
    transition: none;
  }
}

/* ===== WeChat Channels float ===== */
.channels-float {
  position: fixed;
  right: 0;
  top: calc(50% + 38px);
  transform: translateY(-50%);
  z-index: 1002;
  display: flex;
  align-items: stretch;
  pointer-events: none;
}

.channels-float-tab,
.channels-float-panel {
  pointer-events: auto;
}

.channels-float-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 44px;
  padding: 14px 8px;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  background: #0047AB;
  color: #fff;
  cursor: pointer;
  box-shadow: -4px 4px 20px rgba(0, 71, 171, 0.35);
  transition: var(--transition);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
}

.channels-float-tab:hover,
.channels-float.is-open .channels-float-tab {
  background: #0058d4;
  width: 48px;
}

.channels-float-icon {
  flex-shrink: 0;
  display: block;
  object-fit: contain;
  border-radius: 6px;
}

.channels-float-tab-text {
  writing-mode: vertical-rl;
}

.channels-float-panel {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%) translateX(12px);
  width: 200px;
  padding: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(44, 40, 37, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}

.channels-float:hover .channels-float-panel,
.channels-float.is-open .channels-float-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

.channels-float-close {
  display: none;
  position: absolute;
  top: 6px;
  right: 8px;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
}

.channels-float-close:hover {
  background: rgba(45, 106, 79, 0.08);
  color: var(--text-primary);
}

.channels-float-qr {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
  border-radius: 8px;
  border: none;
  object-fit: contain;
  background: #fff;
}

.channels-float-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 4px;
}

.channels-float-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .channels-float {
    top: auto;
    bottom: calc(80px + env(safe-area-inset-bottom));
    transform: none;
  }

  .channels-float-panel {
    top: auto;
    bottom: 0;
    transform: translateY(calc(100% + 12px)) translateX(0);
    right: 0;
    width: min(200px, calc(100vw - 32px));
  }

  .channels-float:hover .channels-float-panel,
  .channels-float.is-open .channels-float-panel {
    transform: translateY(calc(100% + 8px)) translateX(0);
  }

  .channels-float-close {
    display: block;
  }

  .channels-float-tab {
    border-radius: var(--radius) 0 0 var(--radius);
  }
}

@media (prefers-reduced-motion: reduce) {
  .channels-float-panel {
    transition: none;
  }
}