/* =============================================
   出海GEO优化 — 安瑶Ai v4.1
   科技感 × 毛玻璃 × 大留白 × 完美自适应
   深色为主 + 冷蓝霓虹点缀
   ============================================= */

:root {
  /* === 色彩体系 — 深色科技风 === */
  --c-base: #06080f;
  --c-surface: #0c1120;
  --c-surface-raised: #111827;
  --c-surface-glass: rgba(12, 17, 32, 0.75);
  --c-surface-glass-light: rgba(255, 255, 255, 0.04);

  --c-text: #e8ecf4;
  --c-text-secondary: #8b95a8;
  --c-text-muted: #4a5568;

  /* 点缀色 — 冷蓝霓虹 */
  --c-accent: #3b82f6;
  --c-accent-bright: #60a5fa;
  --c-accent-dim: #1d4ed8;
  --c-accent-glow: rgba(59, 130, 246, 0.15);
  --c-accent-glow-strong: rgba(59, 130, 246, 0.25);

  /* 次要点缀 — 紫色 */
  --c-purple: #8b5cf6;
  --c-purple-glow: rgba(139, 92, 246, 0.15);

  /* 渐变 */
  --g-hero: linear-gradient(160deg, #06080f 0%, #0c1120 30%, #111d3a 60%, #0a1628 100%);
  --g-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --g-accent-subtle: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(139,92,246,0.08) 100%);
  --g-dark: linear-gradient(180deg, #06080f 0%, #0c1120 100%);
  --g-footer: linear-gradient(180deg, #06080f 0%, #080c18 100%);

  /* 边框 */
  --c-border: rgba(255, 255, 255, 0.06);
  --c-border-hover: rgba(59, 130, 246, 0.2);
  --c-border-accent: rgba(59, 130, 246, 0.12);

  /* 毛玻璃 */
  --glass-blur: blur(24px) saturate(180%);

  /* 圆角 */
  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 9999px;

  /* 阴影 */
  --s-subtle: 0 1px 3px rgba(0,0,0,0.2);
  --s-md: 0 8px 32px rgba(0,0,0,0.3);
  --s-lg: 0 16px 48px rgba(0,0,0,0.4);
  --s-glow: 0 0 24px var(--c-accent-glow);
  --s-glow-strong: 0 0 40px var(--c-accent-glow-strong);

  /* 字体 */
  --f: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 动效 */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --t: all 0.4s var(--ease);
  --t-fast: all 0.25s var(--ease);

  /* 间距 */
  --section: 120px;
  --section-sm: 80px;
  --max-w: 1280px;
  --pad: 24px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 19px; }
body {
  font-family: var(--f);
  background: var(--c-base);
  color: var(--c-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ===== 微网格背景 ===== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
body > * {
  position: relative;
  z-index: 1;
}
img { max-width: 100%; display: block; }
a { color: var(--c-accent-bright); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--c-accent); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
::selection { background: var(--c-accent); color: white; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Typography ===== */
h1, h2, h3, h4, h5 {
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
h1 { font-size: clamp(1.75rem, 4vw, 3rem); letter-spacing: -0.03em; line-height: 1.15; }
h2 { font-size: clamp(1.375rem, 2.5vw, 2rem); line-height: 1.2; }
h3 { font-size: 1.0625rem; line-height: 1.3; }
h4 { font-size: 1rem; line-height: 1.4; }
h5 { font-size: 0.9375rem; line-height: 1.4; }
p { font-size: 1rem; line-height: 1.8; color: var(--c-text-secondary); }
small { font-size: 0.8125rem; color: var(--c-text-muted); }

/* ===== Layout ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: var(--section) 0; }
.section-sm { padding: var(--section-sm) 0; }

/* ===================================================================
   HEADER — 紧凑导航，不溢出
   =================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--c-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--c-border);
  transition: var(--t);
}
.site-header.scrolled {
  background: rgba(6, 8, 15, 0.92);
  border-bottom-color: rgba(255,255,255,0.08);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
  gap: 16px;
}
.logo {
  font-size: 0.9375rem; font-weight: 700; color: var(--c-text);
  text-decoration: none; letter-spacing: -0.01em;
  white-space: nowrap; flex-shrink: 0;
}
.logo:hover { color: var(--c-text); }

/* Nav — 紧凑链接，允许水平滚动 */
.nav-links {
  display: flex; align-items: center; gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  flex: 1;
  justify-content: center;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  padding: 6px 12px;
  font-size: 0.8125rem; font-weight: 500;
  color: var(--c-text-secondary);
  border-radius: var(--r-full);
  transition: var(--t-fast);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-links a:hover { color: var(--c-text); text-decoration: none; }
.nav-links a.active {
  color: var(--c-accent-bright);
  background: var(--c-accent-glow);
  font-weight: 600;
}
.header-cta {
  margin-left: auto;
  padding: 7px 18px;
  background: var(--g-accent);
  color: white !important;
  border-radius: var(--r-full);
  font-size: 0.8125rem; font-weight: 600;
  transition: var(--t);
  text-decoration: none;
  box-shadow: var(--s-glow);
  white-space: nowrap;
  flex-shrink: 0;
}
.header-cta:hover {
  box-shadow: var(--s-glow-strong);
  transform: translateY(-1px);
  text-decoration: none; color: white !important;
}
.mobile-menu-btn {
  display: none; width: 36px; height: 36px;
  border-radius: var(--r-sm); font-size: 1.125rem; color: var(--c-text);
  align-items: center; justify-content: center;
  flex-shrink: 0;
}
body { padding-top: 64px; }

/* ===================================================================
   HERO
   =================================================================== */
.hero {
  background: var(--g-hero);
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: -20%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--c-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: glow-float 20s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute; bottom: -20%; left: 10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--c-purple-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: glow-float 25s ease-in-out infinite reverse;
}
@keyframes glow-float {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -20px); }
  66% { transform: translate(-20px, 15px); }
}
.hero-inner {
  display: grid; grid-template-columns: 1.2fr 0.8fr;
  gap: 80px; align-items: center;
  position: relative; z-index: 1;
}
.hero h1 { margin-bottom: 20px; }
.hero h1 .accent { color: var(--c-accent-bright); }
.hero .hero-desc {
  font-size: 1rem; color: var(--c-text-secondary);
  line-height: 1.9; margin-bottom: 36px;
  max-width: 520px;
}
.hero-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}

/* Stat Cards */
.stat-card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--t);
}
.stat-card:hover {
  border-color: var(--c-border-accent);
  transform: translateY(-3px);
  box-shadow: var(--s-glow);
}
.stat-number {
  font-size: 2rem; font-weight: 800; color: var(--c-text);
  line-height: 1; margin-bottom: 6px; display: block;
  letter-spacing: -0.03em;
}
.stat-label { font-size: 0.8125rem; color: var(--c-text-muted); font-weight: 500; }

/* ===================================================================
   BUTTONS
   =================================================================== */
.btn, .cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 26px;
  border-radius: var(--r-full);
  font-size: 0.9375rem; font-weight: 600;
  border: none; cursor: pointer;
  text-decoration: none; transition: var(--t); white-space: nowrap;
}
.btn:hover, .cta-btn:hover { text-decoration: none; }
.btn-primary, .cta-primary {
  background: var(--g-accent); color: white;
  box-shadow: var(--s-glow);
}
.btn-primary:hover, .cta-primary:hover {
  box-shadow: var(--s-glow-strong);
  transform: translateY(-1px); color: white;
}
.btn-outline, .cta-outline {
  background: transparent; color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn-outline:hover, .cta-outline:hover {
  border-color: var(--c-accent);
  background: var(--c-accent-glow);
  color: var(--c-accent-bright);
}
.btn-blue, .btn-accent {
  background: var(--g-accent); color: white;
  box-shadow: var(--s-glow);
}
.btn-blue:hover, .btn-accent:hover {
  box-shadow: var(--s-glow-strong);
  transform: translateY(-1px); color: white;
}
.btn-telegram {
  background: rgba(0,136,204,0.15);
  color: var(--c-accent-bright);
  border: 1px solid rgba(0,136,204,0.2);
  padding: 11px 26px; border-radius: var(--r-full);
  font-size: 0.9375rem; font-weight: 600;
  transition: var(--t); text-decoration: none;
  display: inline-flex; align-items: center; gap: 10px;
}
.btn-telegram:hover {
  background: rgba(0,136,204,0.25);
  border-color: rgba(0,136,204,0.4);
  color: #60a5fa; transform: translateY(-1px); text-decoration: none;
}
.btn-sm { padding: 7px 18px; font-size: 0.8125rem; }
.btn-lg, .cta-large { padding: 14px 36px; font-size: 1rem; }
.cta-inner { text-align: center; }
.cta-buttons { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* ===================================================================
   CARDS
   =================================================================== */
.card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  transition: var(--t);
}
.card:hover {
  border-color: var(--c-border-accent);
  box-shadow: var(--s-glow);
  transform: translateY(-3px);
}

/* ===================================================================
   FEATURE GRID
   =================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.feature-grid-3 { grid-template-columns: repeat(3, 1fr); }
.feature-card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  transition: var(--t);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--g-accent);
  opacity: 0;
  transition: opacity 0.4s;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
  border-color: var(--c-border-accent);
  box-shadow: var(--s-glow);
  transform: translateY(-3px);
}
.feature-icon { font-size: 1.75rem; margin-bottom: 20px; }
.feature-title { font-size: 1rem; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }
.feature-desc { font-size: 0.9375rem; color: var(--c-text-secondary); line-height: 1.7; }
.feature-item {
  background: var(--c-surface-glass-light);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 24px;
  transition: var(--t-fast);
}
.feature-item:hover { border-color: var(--c-border-accent); }
.features { padding: var(--section) 0; }
.features h2 { margin-bottom: 48px; text-align: center; }

/* ===================================================================
   TABLES
   =================================================================== */
.table-wrap, .table-wrapper, .table-responsive {
  overflow-x: auto; border-radius: var(--r-md);
  border: 1px solid var(--c-border);
}
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  background: var(--c-surface);
  color: var(--c-text-muted);
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
}
td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-secondary);
  vertical-align: top;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--c-surface-glass-light); }
.table-highlight td { background: var(--c-accent-glow); }
td.price { font-weight: 700; color: var(--c-accent-bright); white-space: nowrap; }
.detail-link { color: var(--c-accent-bright); font-weight: 500; font-size: 0.8125rem; }
.detail-link:hover { color: var(--c-accent); }
.more-link {
  display: inline-block; margin-top: 32px;
  color: var(--c-accent-bright); font-weight: 500; font-size: 0.9375rem;
}
.more-link:hover { color: var(--c-accent); }

/* ===================================================================
   PACKAGE CARDS
   =================================================================== */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}
.package-card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 36px 28px;
  position: relative;
  transition: var(--t);
  display: flex; flex-direction: column;
}
.package-card:hover {
  border-color: var(--c-border-accent);
  box-shadow: var(--s-glow);
  transform: translateY(-3px);
}
.package-card.recommended {
  border-color: var(--c-accent);
  background: linear-gradient(135deg, rgba(59,130,246,0.06) 0%, rgba(139,92,246,0.04) 100%);
}
.package-card.recommended::after {
  content: '推荐';
  position: absolute; top: -1px; left: 24px; right: 24px;
  background: var(--g-accent);
  color: white;
  font-size: 0.6875rem; font-weight: 700;
  padding: 5px 14px;
  border-radius: 0 0 var(--r-xs) var(--r-xs);
  letter-spacing: 0.04em;
  text-align: center;
}
.package-card.recommended {
  padding-top: 48px;
}
.package-header { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.package-header h3 { font-size: 1rem; font-weight: 600; color: var(--c-text); }
.package-flag { font-size: 1.125rem; }
.package-region {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--c-text-muted);
  font-size: 0.75rem; font-weight: 500;
  margin-bottom: 20px;
}
.package-features {
  margin: auto 0; flex: 1;
}
.package-features li {
  padding: 5px 0; color: var(--c-text-secondary);
  font-size: 0.9375rem; display: flex; align-items: flex-start; gap: 10px; line-height: 1.5;
}
.package-features li::before { content: '—'; color: var(--c-accent); font-weight: 700; flex-shrink: 0; opacity: 0.6; }
.package-footer {
  margin-top: 24px; padding-top: 20px;
  border-top: 1px solid var(--c-border);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.package-price { font-size: 1.5rem; font-weight: 800; color: var(--c-accent-bright); letter-spacing: -0.02em; }
.price-amount { font-size: 1.5rem; font-weight: 800; color: var(--c-accent-bright); }
.price-label { font-size: 0.75rem; color: var(--c-text-muted); margin-bottom: 4px; }
.price-value { font-size: 1.25rem; font-weight: 700; color: var(--c-accent-bright); }
.package-body, .package-cta, .package-badge, .package-icon { }
.package-name { font-size: 0.9375rem; font-weight: 600; color: var(--c-text); margin-bottom: 8px; }
.packages, .packages-section { padding: var(--section-sm) 0; }
.packages-section h2, .region-title {
  font-size: 1.125rem; font-weight: 600;
  color: var(--c-text); margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-border);
}

/* ===================================================================
   STEPS / PROCESS
   =================================================================== */
.steps { display: flex; flex-direction: column; gap: 16px; }
.step {
  display: flex; align-items: flex-start; gap: 24px;
  padding: 32px;
  background: var(--c-surface-glass-light);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  transition: var(--t);
}
.step:hover { border-color: var(--c-border-accent); }
.step-num, .step-number {
  width: 48px; height: 48px; min-width: 48px;
  background: var(--g-accent);
  color: white;
  border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9375rem; font-weight: 700;
  box-shadow: var(--s-glow);
}
.step-title { font-size: 1rem; font-weight: 600; color: var(--c-text); margin-bottom: 6px; }
.step-desc { font-size: 0.9375rem; color: var(--c-text-secondary); line-height: 1.7; }
.step-card, .step-details, .steps-grid { }
.process { padding: var(--section) 0; }
.process h2 { margin-bottom: 48px; text-align: center; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.process-steps .step {
  flex-direction: column; text-align: center; padding: 36px 24px;
}
.process-steps .step-number { margin: 0 auto 16px; }
.process-steps .step-title { font-size: 1rem; }

/* ===================================================================
   FAQ
   =================================================================== */
.faq-list {
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.faq-item { border-bottom: 1px solid var(--c-border); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 28px;
  cursor: pointer;
  font-weight: 600; font-size: 0.9375rem;
  color: var(--c-text);
  gap: 16px;
  transition: var(--t-fast);
}
.faq-q:hover { background: var(--c-surface-glass-light); }
.faq-q.active { color: var(--c-accent-bright); }
.faq-toggle {
  width: 26px; height: 26px; min-width: 26px;
  border-radius: var(--r-full);
  background: var(--c-surface-raised);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  transition: var(--t);
  flex-shrink: 0; color: var(--c-text-muted);
}
.faq-q.active .faq-toggle {
  transform: rotate(180deg);
  background: var(--c-accent);
  color: white;
}
.faq-a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.4s var(--ease); }
.faq-a.open { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-content {
  padding: 0 28px 24px;
  font-size: 0.9375rem; color: var(--c-text-secondary);
  line-height: 1.8;
}
.faq-category { margin-bottom: 40px; }
.faq-cat-title {
  font-size: 1rem; font-weight: 600;
  color: var(--c-text); margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
}
.faq-controls { margin-bottom: 20px; text-align: center; }
.faq-section, .faq-question, .faq-answer, .faq-arrow, .faq-toggle-btn { }

/* ===================================================================
   PAGE HEADER (子页面顶部)
   =================================================================== */
.page-header {
  background: var(--g-hero);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute; top: -30%; right: -10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--c-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.breadcrumb {
  font-size: 0.8125rem; color: var(--c-text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-accent-bright); }
.breadcrumb-sep, .breadcrumb-current { color: var(--c-text-muted); }
.page-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700; color: var(--c-text);
  margin-bottom: 16px;
}
.page-desc {
  font-size: 1.0625rem; color: var(--c-text-secondary);
  line-height: 1.8; max-width: 600px;
}
.page-header .container { position: relative; z-index: 1; }

.section-header { margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; }
.section-header-center { text-align: center; }
.section-header-center p { margin: 0 auto; }

/* ===================================================================
   NOTICE / INFO BOXES
   =================================================================== */
.notice-box {
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin: 24px 0;
}
.notice-box h3, .notice-box h4, .notice-box h5 {
  color: #fbbf24; margin-bottom: 8px; font-size: 0.9375rem;
}
.notice-box p, .notice-box li { color: #d4a017; font-size: 0.875rem; line-height: 1.7; }
.notice-box li { padding: 3px 0; }
.notice-inner { display: flex; gap: 12px; }
.notice-icon { font-size: 1.125rem; flex-shrink: 0; }
.notice-content { flex: 1; }
.notice-content ul { margin-top: 8px; }

.info-box {
  background: var(--c-accent-glow);
  border: 1px solid var(--c-border-accent);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin: 24px 0;
}
.info-box h3, .info-box h4, .info-box h5 {
  color: var(--c-accent-bright); margin-bottom: 8px; font-size: 0.9375rem;
}
.info-box p { color: var(--c-text-secondary); font-size: 0.875rem; line-height: 1.7; }
.info-list { list-style: none; padding: 0; }
.info-list li { padding: 4px 0; color: var(--c-text-secondary); font-size: 0.875rem; }

.success-box {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin: 24px 0;
}
.success-box h3, .success-box h4 { color: #34d399; margin-bottom: 8px; }
.success-box p { color: #6ee7b7; font-size: 0.875rem; line-height: 1.7; }

/* ===================================================================
   CONTACT
   =================================================================== */
.contact-section { padding: var(--section) 0; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px;
}
.contact-info { display: flex; flex-direction: column; }
.contact-info-item {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-border);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-icon, .contact-info-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: var(--c-accent-glow);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem;
}
.contact-info-label {
  font-size: 0.6875rem; color: var(--c-text-muted);
  font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; margin-bottom: 4px;
}
.contact-info-value { font-size: 0.9375rem; color: var(--c-text); font-weight: 500; }
.contact-info-text { }
.contact-box {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 40px 36px;
}
.contact-box h3 { font-size: 1.125rem; font-weight: 600; color: var(--c-text); margin-bottom: 12px; }
.contact-box p { color: var(--c-text-secondary); margin-bottom: 28px; }

/* ===================================================================
   TRUST
   =================================================================== */
.trust { padding: var(--section) 0; }
.trust h2 { margin-bottom: 48px; text-align: center; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.trust-card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--t);
}
.trust-card:hover {
  border-color: var(--c-border-accent);
  box-shadow: var(--s-glow);
  transform: translateY(-3px);
}
.trust-icon { font-size: 1.75rem; margin-bottom: 20px; }
.trust-card h3 { margin-bottom: 8px; }
.trust-card p { font-size: 0.9375rem; }

/* ===================================================================
   CTA SECTION
   =================================================================== */
.cta-section {
  background: var(--g-dark);
  padding: var(--section) 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--c-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-section h2 { color: var(--c-text); margin-bottom: 12px; }
.cta-section p { color: var(--c-text-secondary); margin-bottom: 36px; font-size: 1.0625rem; }
.cta-section .container { position: relative; z-index: 1; text-align: center; }

/* ===================================================================
   SERVICE CARDS
   =================================================================== */
.service-card {
  background: var(--c-surface-glass-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: var(--t);
  margin-bottom: 32px;
}
.service-card:hover { border-color: var(--c-border-accent); box-shadow: var(--s-glow); }
.service-card-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--c-border);
  display: flex; align-items: center; gap: 14px;
}
.service-icon { font-size: 1.5rem; }
.service-card-header h2 { font-size: 1.125rem; color: var(--c-text); }
.service-card-body { padding: 0; }
.service-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; border: none; }
.service-table thead { background: var(--c-surface); }
.service-table th {
  background: var(--c-surface);
  color: var(--c-text-muted);
  padding: 12px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--c-border);
}
.service-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--c-border);
  color: var(--c-text-secondary);
  vertical-align: top;
}
.service-table tbody tr:last-child td { border-bottom: none; }
.service-table tbody tr:hover td { background: var(--c-surface-glass-light); }
.service-table td:last-child { font-weight: 700; color: var(--c-accent-bright); white-space: nowrap; }

/* ===================================================================
   COMPARISON (index)
   =================================================================== */
.comparison { padding: var(--section) 0; }
.comparison h2 { margin-bottom: 32px; text-align: center; }

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer {
  background: var(--g-footer);
  color: rgba(255,255,255,0.35);
  padding: 80px 0 40px;
}
.footer-inner {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-col .footer-logo {
  font-size: 1rem; font-weight: 700; color: var(--c-text);
  margin-bottom: 16px; display: block;
}
.footer-col p {
  font-size: 0.875rem; color: rgba(255,255,255,0.3);
  line-height: 1.8; max-width: 280px;
}
.footer-col h4 {
  color: rgba(255,255,255,0.5);
  font-size: 0.6875rem; font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.3); font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--c-accent-bright); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy, .footer-links a { font-size: 0.75rem; color: rgba(255,255,255,0.2); }
.footer-links { display: flex; gap: 24px; }
.footer-links a:hover { color: white; }

/* ===================================================================
   FLOATING BUTTONS
   =================================================================== */
.fab { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.telegram-fab {
  position: fixed; bottom: 16px; right: 80px;
  width: 48px; height: 48px;
  background: var(--c-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--c-border);
  color: var(--c-accent-bright); border-radius: 50%;
  z-index: 999; transition: var(--t);
}
.telegram-fab:hover {
  background: rgba(0,136,204,0.2);
  border-color: rgba(0,136,204,0.3);
  color: #60a5fa; text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(59,130,246,0.2);
}
.telegram-fab svg { width: 22px; height: 22px; fill: currentColor; }

.back-to-top {
  position: fixed; bottom: 16px; right: 28px;
  width: 48px; height: 48px;
  background: var(--c-surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--c-border);
  color: var(--c-text-secondary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; cursor: pointer;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: var(--t);
  z-index: 999;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover {
  background: var(--c-accent-glow);
  border-color: var(--c-border-accent);
  color: var(--c-accent-bright);
  transform: translateY(-2px);
}

/* ===================================================================
   SCROLL REVEAL
   =================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===================================================================
   RESPONSIVE — 平板
   =================================================================== */
@media (max-width: 1100px) {
  :root { --section: 100px; --section-sm: 72px; }
  .nav-links { justify-content: flex-start; gap: 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
  .hero-inner { grid-template-columns: 1fr; gap: 60px; }
  .hero-stats { max-width: 400px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid-3 { grid-template-columns: 1fr 1fr; }
  .package-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
}

/* ===================================================================
   RESPONSIVE — 手机
   =================================================================== */
@media (max-width: 768px) {
  :root { --section: 64px; --section-sm: 48px; --pad: 20px; }

  /* Header */
  .header-inner { height: 56px; }
  body { padding-top: 56px; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(6,8,15,0.97);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 8px;
    border-bottom: 1px solid var(--c-border);
    gap: 0;
    overflow-x: visible;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; border-radius: var(--r-sm); width: 100%; }
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }

  /* Hero */
  .hero { padding: 56px 0 64px; }
  .hero-inner { gap: 40px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 20px 16px; }
  .stat-number { font-size: 1.625rem; }

  /* Page Header */
  .page-header { padding: 64px 0 48px; }
  .page-title { margin-bottom: 12px; }
  .page-desc { font-size: 0.9375rem; }

  /* Feature Grid */
  .feature-grid, .feature-grid-3 { grid-template-columns: 1fr; }
  .feature-card { padding: 28px 24px; }

  /* Package Grid */
  .package-grid { grid-template-columns: 1fr; }
  .package-card { padding: 28px 24px; }
  .package-card.recommended { padding-top: 44px; }

  /* Process */
  .process-steps { grid-template-columns: 1fr; }

  /* Trust */
  .trust-grid { grid-template-columns: 1fr; }

  /* FAQ */
  .faq-q { padding: 18px 20px; font-size: 0.875rem; }
  .faq-a-content { padding: 0 20px 20px; font-size: 0.875rem; }
  .faq-toggle { width: 24px; height: 24px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-box { padding: 28px 24px; }

  /* Tables */
  th, td { padding: 12px 14px; font-size: 0.8125rem; }
  .table-wrap, .table-wrapper, .table-responsive {
    border-radius: var(--r-md);
  }

  /* Service Cards */
  .service-card { border-radius: var(--r-lg); margin-bottom: 20px; }
  .service-card-header { padding: 18px 20px; flex-direction: column; text-align: center; }
  .service-table th, .service-table td { padding: 12px 14px; font-size: 0.8125rem; }

  /* CTA */
  .cta-section { padding: 64px 0; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-buttons { justify-content: center; }

  /* Notice Boxes */
  .notice-box, .info-box, .success-box { padding: 20px; }

  /* Footer */
  .site-footer { padding: 56px 0 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom {
    flex-direction: column; gap: 8px; text-align: center;
  }

  /* Floating Buttons */
  .telegram-fab { right: 68px; bottom: 20px; width: 44px; height: 44px; }
  .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; }

  /* Buttons */
  .btn-lg, .cta-large { padding: 12px 28px; font-size: 0.9375rem; }
  .cta-btn, .btn { padding: 10px 22px; font-size: 0.875rem; }

  /* Steps */
  .step { flex-direction: column; align-items: flex-start; padding: 24px; }
  .steps .step { padding: 24px; }
}

/* ===================================================================
   RESPONSIVE — 小手机 (<480px)
   =================================================================== */
@media (max-width: 480px) {
  :root { --pad: 16px; }
  .hero { padding: 48px 0 56px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 16px 12px; }
  .stat-number { font-size: 1.5rem; }
  .stat-label { font-size: 0.75rem; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn, .hero-buttons .cta-btn { width: 100%; justify-content: center; }
  .package-footer { flex-direction: column; align-items: flex-start; }
  .package-price { font-size: 1.25rem; }
  .region-title { font-size: 1rem; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}

/* ===================================================================
   UTILITIES
   =================================================================== */
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-muted { color: var(--c-text-muted); }
.font-mono { font-family: var(--f); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}