/* =========================================================
 * 全球詐欺防範中心 - 全新視覺風格 v2.0
 * 極簡現代 / 高對比 / 幾何線條 / 大量留白
 * ========================================================= */

:root {
  /* 全新配色系統 - 與原版完全不同 */
  --bg-primary: #0a0a0b;
  --bg-secondary: #141416;
  --bg-tertiary: #1c1c1f;
  --bg-card: #18181a;
  
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  
  --accent-orange: #f97316;
  --accent-amber: #fbbf24;
  --accent-coral: #fb7185;
  
  --border-subtle: #27272a;
  --border-medium: #3f3f46;
  
  --success: #22c55e;
  --warning: #eab308;
  --danger: #ef4444;
  
  --gradient-hero: linear-gradient(180deg, #0a0a0b 0%, #141416 50%, #1c1c1f 100%);
  --gradient-accent: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
  --gradient-dark: linear-gradient(180deg, #18181a 0%, #0a0a0b 100%);
  
  --shadow-soft: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-medium: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(249,115,22,0.15);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", monospace;
}

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

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

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
  position: relative;
}

/* Section Base */
.section {
  padding: 140px 0;
  position: relative;
}

.section-sm {
  padding: 80px 0;
}

/* Typography */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.eyebrow::before {
  content: "";
  width: 40px;
  height: 2px;
  background: var(--gradient-accent);
}

.section-title {
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.section-lead {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
}

.center {
  text-align: center;
}

.center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* Grid System */
.grid {
  display: grid;
  gap: 32px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Buttons - 全新几何风格 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 28px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--accent-orange);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(249,115,22,0.3);
}

.btn-primary:hover {
  background: #fb923c;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  background: transparent;
  color: var(--accent-orange);
  border: 1px solid var(--accent-orange);
}

.btn-accent:hover {
  background: var(--accent-orange);
  color: var(--bg-primary);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
}

.btn-outline:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
}

.btn-full {
  width: 100%;
}

/* Top Bar - 极简线条 */
.topbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}

.topbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

/* Header - 透明悬浮 */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,10,11,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  height: 40px;
  width: auto;
}

.menu {
  display: flex;
  align-items: center;
  gap: 40px;
  font-weight: 500;
  font-size: 14px;
}

.menu a {
  color: var(--text-secondary);
  position: relative;
  transition: color 0.2s;
}

.menu a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width 0.3s;
}

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

.menu a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher - 极简 */
.lang-switcher {
  display: flex;
  gap: 0;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.lang-btn {
  border: none;
  background: transparent;
  color: var(--text-muted);
  padding: 6px 12px;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent-orange);
  color: var(--bg-primary);
}

.mobile-toggle {
  display: none;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  font-size: 20px;
  cursor: pointer;
}

/* Hero - 垂直堆叠，左对齐 */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(249,115,22,0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(251,191,36,0.05), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  padding: 80px 0;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
}

.hero-content .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,0.1);
  border: 1px solid rgba(249,115,22,0.3);
  color: var(--accent-orange);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1.05;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 28px;
  letter-spacing: -0.03em;
}

.hero h1 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-badges .pill {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 6px 14px;
}

/* Hero Form Card - 深色卡片 */
.hero-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 520px;
}

.hero-form-head {
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-form-head h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.hero-form-head p {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

.hero-contact-form {
  padding: 28px 32px 32px;
}

/* Forms - 深色主题 */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.2s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-orange);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.field textarea {
  min-height: 100px;
  resize: vertical;
}

.field select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.disclaimer {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  text-align: center;
}

/* Trust Strip - 横向卡片 */
.trust-strip {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.trust-card {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.trust-item {
  padding: 40px 32px;
  border-right: 1px solid var(--border-subtle);
}

.trust-item:last-child {
  border-right: none;
}

.trust-item b {
  display: block;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

/* Intro Section - 非对称布局 */
.intro {
  background: var(--bg-primary);
}

.intro .split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
  align-items: center;
}

.intro-content {
  max-width: 600px;
}

.intro-visual {
  position: relative;
  min-height: 500px;
}

.intro-visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 80%;
  height: 100%;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.intro-visual img {
  position: absolute;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-medium);
}

.intro-visual img:first-child {
  top: 40px;
  left: 40px;
  width: 70%;
  height: 280px;
  object-fit: cover;
}

.intro-visual img:last-child {
  bottom: 40px;
  right: 0;
  width: 60%;
  height: 200px;
  object-fit: cover;
  border: 4px solid var(--bg-primary);
}

/* Check List */
.check-list {
  list-style: none;
  margin: 32px 0;
}

.check-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.check-list i {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--accent-orange);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-weight: 700;
  font-size: 12px;
}

.check-list span {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

/* Notice Box */
.notice {
  background: rgba(249,115,22,0.05);
  border: 1px solid rgba(249,115,22,0.2);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 32px;
}

.notice strong {
  color: var(--accent-orange);
}

.notice-content {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* Services - 网格卡片 */
.services {
  background: var(--bg-secondary);
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.3s;
}

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

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

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 24px;
}

.service-img {
  width: 100%;
  height: 180px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  background: var(--bg-tertiary);
}

.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.service-card:hover .service-img img {
  transform: scale(1.05);
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Filter Band - 深色渐变 */
.filter-band {
  background: var(--gradient-dark);
  position: relative;
}

.filter-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 50% 50% at 50% 100%, rgba(249,115,22,0.08), transparent);
}

.filter-band .section-title {
  color: var(--text-primary);
}

.filter-band .section-lead {
  color: var(--text-muted);
}

.filter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 60px;
}

.filter-box {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.filter-box h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.tag:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.tag.no {
  background: rgba(239,68,68,0.05);
  border-color: rgba(239,68,68,0.2);
  color: rgba(239,68,68,0.8);
}

/* Process - 横向时间线 */
.process {
  background: var(--bg-primary);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.step {
  position: relative;
  padding-top: 60px;
}

.step::before {
  content: attr(data-step);
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--accent-orange);
  color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}

.step::after {
  content: "";
  position: absolute;
  top: 24px;
  left: 64px;
  right: -24px;
  height: 2px;
  background: var(--border-subtle);
}

.step:last-child::after {
  display: none;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Cases - 大卡片 */
.cases {
  background: var(--bg-secondary);
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}

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

.case-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.case-body {
  padding: 28px;
}

.case-body h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.case-body p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.case-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.case-meta div small {
  display: block;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.case-meta div b {
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
}

/* Stats Band - 大数字 */
.stats-band {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

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

.stat b {
  display: block;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}

.stat span {
  color: var(--text-muted);
  font-size: 14px;
}

/* Team - 横向列表式布局 */
.team {
  background: var(--bg-primary);
}

.team-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 80px;
}

.team-row {
  display: grid;
  grid-template-columns: 80px 200px 1fr;
  gap: 24px;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all 0.3s;
}

.team-row:hover {
  border-color: var(--border-medium);
  background: var(--bg-tertiary);
}

.team-row-photo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-tertiary);
}

.team-row-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-row-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.team-row-info span {
  color: var(--accent-orange);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.team-row p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* 旧版卡片样式保留兼容 */
.team-grid {
  margin-bottom: 80px;
}

.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
}

.team-photo {
  height: 280px;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.team-card:hover .team-photo img {
  transform: scale(1.03);
}

.team-info {
  padding: 24px;
}

.team-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.team-info span {
  display: block;
  color: var(--accent-orange);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

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

.team-member-head {
  text-align: center;
  margin: 100px 0 48px;
}

/* Team v2 - 新横向4列样式 */
.team-card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s;
}

.team-card-v2:hover {
  transform: translateY(-4px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-medium);
}

.team-card-v2-inner {
  display: flex;
  flex-direction: column;
}

.team-card-v2-photo {
  height: 200px;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.team-card-v2-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.team-card-v2:hover .team-card-v2-photo img {
  transform: scale(1.05);
}

.team-card-v2-content {
  padding: 20px;
  flex: 1;
}

.team-card-v2-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.team-card-v2-content span {
  display: block;
  color: var(--accent-orange);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.team-card-v2-content p {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

/* Resources - 图文混排 */
.resources {
  background: var(--bg-secondary);
}

.resources .split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.resources-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.resources-grid img {
  border-radius: var(--radius-md);
  height: 200px;
  width: 100%;
  object-fit: cover;
}

/* FAQ - 手风琴 */
.faq {
  background: var(--bg-primary);
}

.faq-wrap {
  max-width: 800px;
  margin: 60px auto 0;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.2s;
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-item.active {
  border-color: var(--accent-orange);
}

.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  text-align: left;
}

.faq-q span:last-child {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--accent-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s;
}

.faq-item.active .faq-q span:last-child {
  transform: rotate(45deg);
  background: var(--accent-orange);
  color: var(--bg-primary);
}

.faq-a {
  display: none;
  padding: 0 24px 24px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.faq-item.active .faq-a {
  display: block;
}

/* Footer - 极简 */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand img {
  height: 40px;
  width: auto;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer h4 {
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 12px;
}

.footer a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.2s;
}

.footer a:hover {
  color: var(--accent-orange);
}

.footer-address {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.footer-address strong {
  color: var(--text-primary);
  font-weight: 600;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-legal a {
  color: var(--text-muted);
}

.footer-legal a:hover {
  color: var(--accent-orange);
}

.footer-legal span {
  color: var(--border-medium);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-orange);
  border-color: var(--accent-orange);
  color: var(--bg-primary);
}

/* Page Hero (for privacy/terms) */
.page-hero {
  background: var(--gradient-hero);
  padding: 160px 0 80px;
  position: relative;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 50% at 50% 0%, rgba(249,115,22,0.08), transparent);
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 16px;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

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

.legal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-top: -40px;
  position: relative;
}

.legal-content h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 16px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.legal-content ul {
  padding-left: 20px;
  margin: 16px 0;
}

.legal-content li {
  margin-bottom: 8px;
}

/* Reveal Animation */
.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) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid,
  .intro .split,
  .resources .split,
  .filter-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .trust-card { grid-template-columns: repeat(2, 1fr); }
  
  .menu {
    position: fixed;
    left: 0;
    right: 0;
    top: 72px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
    display: none;
    flex-direction: column;
    gap: 16px;
  }
  
  .header.open .menu {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .nav-actions .btn {
    display: none;
  }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-sm { padding: 60px 0; }
  .container { width: calc(100% - 32px); }
  
  .hero { min-height: auto; }
  .hero-grid { padding: 60px 0; }
  .hero h1 { font-size: 36px; }
  .hero p { font-size: 16px; }
  
  .grid-2, .grid-3, .grid-4,
  .filter-grid, .timeline, .stats,
  .form-grid, .footer-grid, .resources-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid { gap: 0; }
  
  .trust-card {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .trust-item {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .trust-item:last-child {
    border-bottom: none;
  }
  
  .intro-visual {
    min-height: 400px;
  }
  
  .intro-visual img:first-child {
    top: 20px;
    left: 20px;
    width: 80%;
    height: 220px;
  }
  
  .intro-visual img:last-child {
    bottom: 20px;
    right: 20px;
    width: 60%;
    height: 160px;
  }
  
  .step::after {
    display: none;
  }
  
  .hero-form-card {
    margin: 0 auto;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .section-title { font-size: 26px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; }
  .hero-badges { justify-content: center; }
  
  .hero-form-head,
  .hero-contact-form {
    padding: 24px;
  }
}

/* Chat Widget Overrides - Dark Theme */
#chat-widget {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-subtle) !important;
}

#chat-widget > div:first-child {
  background: var(--bg-tertiary) !important;
  border-bottom: 1px solid var(--border-subtle) !important;
}

#chat-messages {
  background: var(--bg-secondary) !important;
}

#chat-input {
  background: var(--bg-tertiary) !important;
  border-color: var(--border-subtle) !important;
  color: var(--text-primary) !important;
}

#chat-input:focus {
  border-color: var(--accent-orange) !important;
}