/* ============================================================
   PREMIUM EDITORIAL — 暖金 × 深灰 × 象牙白
   与天蓝/珊瑚版完全不同的视觉体系
   ============================================================ */

/* ---- Google Fonts (Inter + Noto Serif SC) ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Serif+SC:wght@600;700&display=swap');

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

:root {
  /* Brand Colors */
  --gold:        #B8860B;
  --gold-light:  #D4A843;
  --gold-pale:   #F5E6C8;
  --dark:        #1A1A2E;
  --ink:         #1E293B;
  --muted:       #64748B;
  --bg:          #FCFBF7;
  --card:        #FFFFFF;
  --border:      #E8E4D9;

  /* Gold Palette Scale */
  --gold-50:     #FEF8E6;
  --gold-100:    #F5E6C8;
  --gold-300:    #D4A843;
  --gold-500:    #B8860B;
  --gold-700:    #8B6900;
  --gold-900:    #5C4500;

  /* Semantic Colors */
  --color-success: #10b981;
  --color-error:   #ef4444;
  --color-warning: #f59e0b;
  --color-info:    #3b82f6;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(0,0,0,.04);
  --shadow-md:   0 8px 30px rgba(0,0,0,.06);
  --shadow-lg:   0 20px 60px rgba(0,0,0,.08);

  /* Radius */
  --radius:      12px;
  --radius-lg:   20px;

  /* Typography */
  --font:        'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
  --font-display: 'Noto Serif SC', Georgia, 'Times New Roman', serif;

  /* Spacing System (4px base) */
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 100px */

  /* Transition */
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

html { scroll-behavior: smooth; }

/* ---- Scroll Progress Bar ---- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: var(--gold);
  z-index: 99999;
  transition: width 0.1s linear;
}

/* ---- Page Fade-in Transition ---- */
body { animation: pageFadeIn .35s ease; }
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- Typography ---- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 5vw, 3rem); }
.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

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

/* ---- Hand-drawn SVG icons ---- */
.hd-icon { display: inline-block; vertical-align: middle; }
.hd-icon svg { display: block; }
.hd-icon path, .hd-icon rect, .hd-icon circle, .hd-icon line, .hd-icon polyline, .hd-icon polygon {
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke-dashoffset 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ---- Hover float ---- */
.trust-item, .about-feat-card, .page-link-card, .insight-card, .stat-block {
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s ease, border-color 0.4s ease;
}
.trust-item:hover, .about-feat-card:hover,
.page-link-card:hover, .insight-card:hover, .stat-block:hover {
  transform: translateY(-6px);
}


/* ============================================================
   悬浮胶囊导航 — 2.0
   ============================================================ */
.capsule-stage {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  display: flex; justify-content: center;
  padding: 32px 24px 0;
  pointer-events: none;
  transition: padding 0.4s var(--ease-out);
}

/* 胶囊下沉入场 */
@keyframes capsuleDropIn {
  0%   { opacity: 0; transform: translateY(-24px) scale(0.96); }
  60%  { opacity: 1; transform: translateY(4px) scale(1.01); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
.capsule-stage { animation: capsuleDropIn 0.7s var(--ease-spring) 0.15s both; }

.capsule-shell {
  pointer-events: auto; position: relative;
  display: flex; align-items: center; gap: 0;
  background: rgba(252, 251, 247, 0.88);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-radius: 34px;
  padding: 7px 10px;
  box-shadow:
    0 2px 20px rgba(0,0,0,.06),
    0 8px 40px rgba(0,0,0,.08);
  border: 1px solid rgba(0,0,0,.06);
  will-change: padding, border-radius;
  transition:
    padding 0.4s var(--ease-out),
    border-radius 0.4s var(--ease-out),
    background 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
}

/* 金色微光环（在壳背景下面，透过来呈现微妙辉光） */
.capsule-shell::before {
  content: ''; position: absolute; inset: -2px;
  border-radius: 36px; z-index: -1;
  background: linear-gradient(135deg, rgba(184,134,11,.18), transparent 60%, transparent 80%, rgba(184,134,11,.1));
  opacity: 0; transition: opacity 0.5s;
}
.capsule-shell:hover::before { opacity: 1; }

/* ---- 品牌标志 ---- */
.capsule-logo {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 20px 8px 12px; flex-shrink: 0;
  text-decoration: none;
  transition: padding 0.4s var(--ease-out);
}
.capsule-logo-mark {
  position: relative; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s var(--ease-spring);
}
.capsule-logo:hover .capsule-logo-mark { transform: scale(1.12) rotate(10deg); }
.capsule-logo-mark .nav-logo-star { color: var(--gold); display:inline-block; font-size:22px; font-weight:700; line-height:1; }
.capsule-logo-text {
  font-size: 17px; font-weight: 800; color: #1A1A2E;
  letter-spacing: -0.02em;
  transition: font-size 0.4s var(--ease-out);
}

.capsule-divider {
  width: 1px; height: 22px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.08) 40%, rgba(0,0,0,.08) 60%, transparent);
  margin: 0 6px; transition: height 0.4s var(--ease-out);
}

/* ---- 链接区 + 滑动激活指示器 ---- */
.capsule-links-wrap { position: relative; display: flex; align-items: center; }
.capsule-active-pill {
  position: absolute; top: 4px; height: calc(100% - 8px);
  background: rgba(184, 134, 11, 0.14);
  border-radius: 22px;
  transition: left 0.35s var(--ease-spring), width 0.35s var(--ease-spring);
  z-index: 0; pointer-events: none;
}

.capsule-link {
  position: relative; z-index: 1;
  padding: 10px 20px; border-radius: 22px;
  font-size: 15px; font-weight: 500; color: rgba(26,26,46,0.7);
  text-decoration: none; transition: color 0.25s; cursor: pointer;
  white-space: nowrap; letter-spacing: 0.01em;
}
.capsule-link::after {
  content: ''; position: absolute; bottom: 6px; left: 50%; transform: translateX(-50%) scaleX(0);
  width: 60%; height: 1.5px; border-radius: 1px;
  background: var(--gold);
  transition: transform 0.25s var(--ease-out);
}
.capsule-link:hover { color: #1A1A2E; }
.capsule-link:hover::after { transform: translateX(-50%) scaleX(1); }
.capsule-link.active { color: var(--gold); font-weight: 700; }
.capsule-link.active::after { background: var(--gold); transform: translateX(-50%) scaleX(1); }

/* ---- GEO前沿 下拉菜单 ---- */
.capsule-drop {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.capsule-drop-caret {
  display: inline-block;
  font-size: 11px;
  margin-left: 3px;
  transition: transform 0.25s var(--ease-out);
}
.capsule-drop:hover .capsule-drop-caret { transform: rotate(180deg); }
.capsule-drop-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 148px;
  background: rgba(252, 251, 247, 0.97);
  backdrop-filter: blur(20px) saturate(1.3);
  -webkit-backdrop-filter: blur(20px) saturate(1.3);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 8px;
  box-shadow: 0 10px 34px rgba(26,26,46,0.12);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s var(--ease-out), visibility 0.25s;
  z-index: 30;
}
.capsule-drop:hover .capsule-drop-menu,
.capsule-drop.is-open .capsule-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.capsule-drop-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-bottom-color: rgba(252, 251, 247, 0.97);
}
.capsule-drop-item {
  display: block;
  padding: 9px 14px;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(26,26,46,0.72);
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease;
}
.capsule-drop-item:hover { background: rgba(184, 134, 11, 0.1); color: var(--gold); }
.capsule-drop-item.active { color: var(--gold); font-weight: 700; background: rgba(184, 134, 11, 0.08); }

/* 移动端二级菜单 */
.mobile-menu-group { display: flex; flex-direction: column; }
.mobile-menu-subs {
  display: none;
  flex-direction: column;
  padding-left: 22px;
  margin-top: 2px;
}
.mobile-menu-subs.is-open { display: flex; }
.mobile-menu-sub {
  color: rgba(0,0,0,0.55);
  font-size: 0.95rem;
  text-decoration: none;
  padding: 9px 16px;
  border-left: 1px solid rgba(0,0,0,0.12);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.mobile-menu-sub:hover { color: var(--gold); border-left-color: var(--gold); }
.mobile-menu-sub.is-current { color: var(--gold); border-left-color: var(--gold); font-weight: 700; }

/* ---- CTA 按钮 ---- */
.capsule-cta {
  position: relative; margin-left: 10px; padding: 11px 24px;
  background: linear-gradient(135deg, #B8860B 0%, #D4A843 100%);
  color: #1a1a2e; border-radius: 26px;
  font-size: 13px; font-weight: 700; text-decoration: none;
  letter-spacing: 0.03em; overflow: hidden;
  transition: all 0.35s var(--ease-out);
  box-shadow: 0 2px 12px rgba(184,134,11,.2);
}
.capsule-cta::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
  transition: left 0.5s;
}
.capsule-cta:hover::before { left: 100%; }
.capsule-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212,168,67,.4);
}
.capsule-cta:active { transform: translateY(0); }

/* ---- 滚动态 ---- */
@media (min-width: 1025px) and (max-width: 1280px) {
  .capsule-link { padding: 10px 14px; font-size: 14px; }
  .capsule-cta { padding: 10px 18px; }
  .capsule-logo { padding: 8px 12px 8px 10px; }
}
.capsule-stage.is-compact { padding: 14px 24px 0; }
.capsule-stage.is-compact .capsule-shell {
  padding: 5px 8px;
  border-radius: 28px;
  background: rgba(252, 251, 247, 0.95);
  box-shadow:
    0 2px 16px rgba(0,0,0,.08),
    0 6px 32px rgba(0,0,0,.1);
}
.capsule-stage.is-compact .capsule-link { padding: 8px 17px; }
.capsule-stage.is-compact .capsule-logo-text { font-size: 14px; }
.capsule-stage.is-compact .capsule-logo { padding: 7px 16px 7px 10px; }
.capsule-stage.is-compact .capsule-cta { padding: 9px 20px; font-size: 12px; }
.capsule-stage.is-compact .capsule-divider { height: 18px; }
.capsule-stage.is-compact .capsule-active-pill { top: 3px; height: calc(100% - 6px); border-radius: 20px; }

/* ---- 移动端汉堡按钮 ---- */
.capsule-burger {
  display: none; flex-direction: column; gap: 4px;
  padding: 10px 12px; cursor: pointer;
  background: none; border: none; z-index: 2;
}
.capsule-burger span {
  display: block; width: 20px; height: 2px;
  background: rgba(26,26,46,0.6);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}
.capsule-burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.capsule-burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.capsule-burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---- 移动端全屏菜单 ---- */
.mobile-menu-overlay {
  display: none; position: fixed; inset: 0; z-index: 9998;
  background: rgba(252, 251, 247, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 12px;
}
.mobile-menu-overlay.is-open { display: flex; }

@keyframes mobileLinkIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.mobile-menu-link {
  font-size: 1.6rem; font-weight: 700; color: rgba(26,26,46,0.5);
  text-decoration: none; letter-spacing: 0.04em;
  opacity: 0; animation: mobileLinkIn 0.4s var(--ease-out) both;
  transition: color 0.2s;
}
.mobile-menu-link:hover, .mobile-menu-link.is-current { color: var(--gold); }
.mobile-menu-link:nth-child(1) { animation-delay: 0.05s; }
.mobile-menu-link:nth-child(2) { animation-delay: 0.1s; }
.mobile-menu-link:nth-child(3) { animation-delay: 0.15s; }
.mobile-menu-link:nth-child(4) { animation-delay: 0.2s; }
.mobile-menu-link:nth-child(5) { animation-delay: 0.25s; }
.mobile-menu-link:nth-child(6) { animation-delay: 0.3s; }

.mobile-menu-cta {
  margin-top: 24px; padding: 14px 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--dark); border-radius: 32px;
  font-size: 1rem; font-weight: 700; text-decoration: none;
  letter-spacing: 0.04em;
  opacity: 0; animation: mobileLinkIn 0.4s var(--ease-out) 0.35s both;
  transition: transform 0.3s, box-shadow 0.3s;
}
.mobile-menu-cta:hover { transform: scale(1.04); box-shadow: 0 8px 28px rgba(184,134,11,.35); }

/* ---- 桌面端隐藏汉堡 + 移动端响应式 ---- */
@media (max-width: 1024px) {
  .capsule-stage { padding: 16px 16px 0; }
  .capsule-shell { border-radius: 28px; padding: 6px 8px; }
  .capsule-links-wrap { display: none; }
  .capsule-burger { display: flex; }
  .capsule-cta { display: none; }
  .capsule-logo-text { font-size: 15px; }
  .capsule-stage.is-compact { padding: 10px 16px 0; }
  .capsule-stage.is-compact .capsule-shell { padding: 5px 7px; border-radius: 24px; }
  .capsule-stage.is-compact .capsule-logo-text { display: none; }
  .capsule-stage.is-compact .capsule-cta { display: none; }
}

/* ============================================================
   HERO — 纯居中排版 + 几何装饰背景
   ============================================================ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: left;
  position: relative;
  padding: 120px 24px 80px;
  background: linear-gradient(180deg, #FCFBF7 0%, #F7F3E8 50%, #FCFBF7 100%);
  overflow: hidden;
}
/* 几何装饰 */
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border: 2px solid var(--gold-pale);
  border-radius: 50%;
  top: -200px; right: -150px;
  opacity: .5;
}
.hero::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: var(--gold-pale);
  border-radius: 50%;
  bottom: -80px; left: -80px;
  opacity: .3;
}
.hero-geo-1, .hero-geo-2, .hero-geo-3 {
  position: absolute;
  opacity: .12;
}
.hero-geo-1 {
  width: 80px; height: 80px;
  border: 3px solid var(--gold);
  top: 20%; left: 8%;
  transform: rotate(15deg);
}
.hero-geo-2 {
  width: 60px; height: 60px;
  background: var(--gold-light);
  border-radius: 4px;
  top: 60%; right: 10%;
  transform: rotate(-20deg);
}
.hero-geo-3 {
  width: 120px; height: 4px;
  background: var(--gold);
  top: 35%; right: 18%;
  transform: rotate(-8deg);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: var(--gold-pale);
  color: var(--gold);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 6rem);
  color: var(--dark);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-title .hl {
  color: var(--gold);
  position: relative;
}
.hero-title .hl::after {
  content: '';
  position: absolute;
  left: 0; bottom: 4px;
  width: 100%; height: 8px;
  background: var(--gold-pale);
  z-index: -1;
  opacity: .6;
}
.hero-desc {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--dark);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all .3s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--gold); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,134,11,.25); }

/* Button Gold Variant — 用于深色背景上的金色按钮 */
.btn--gold {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gold);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all .3s;
  border: none;
  cursor: pointer;
}
.btn--gold:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(184,134,11,.25); }

.btn-outline {
  display: inline-block;
  padding: 14px 36px;
  border: 2px solid var(--border);
  color: var(--ink);
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all .3s;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }

/* Hero 底部微数据 */
.hero-meta {
  display: flex;
  gap: 28px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-left: 28px;
  font-size: 0.85rem;
  color: var(--muted);
}
@media (max-width: 600px) {
  .hero-meta { margin-left: 0; }
}
.hero-meta span strong { color: var(--gold); font-size: 1.1rem; }

/* ============================================================
   TRUST BAR — 信任认证条
   ============================================================ */
.trust-bar {
  padding: 16px 0;
  background: var(--dark);
  color: #fff;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.trust-inner {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 130px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #94A3B8;
  letter-spacing: 0.02em;
}
.trust-icon {
  line-height: 1;
}
.trust-text {
  text-align: center;
}
.trust-text strong {
  display: block;
  color: #fff;
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 3px;
}
.trust-text em {
  display: block;
  font-style: normal;
  color: #94A3B8;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}

/* ============================================================
   TRUST BAR — 移动端优化
   ============================================================ */
@media (max-width: 1023px) {
  .trust-bar { padding: 10px 0; }
  .trust-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 16px 24px;
  }
  .trust-item { min-width: 120px; justify-content: center; }
  .trust-text strong { font-size: 0.95rem; }
  .trust-text em { font-size: 0.75rem; }
}

/* ============================================================
   ABOUT — 左右分栏 (大图概念左 / 文字右)
   ============================================================ */
.about {
  padding: 80px 0;
  background: var(--card);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-text h2 { margin-bottom: 18px; }
.about-text .lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 32px;
  line-height: 1.8;
}
/* 三列数据卡片 */
.about-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}
.about-feat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  transition: all .3s;
}
.about-feat-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
}
.afc-icon {
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 8px;
  line-height: 1;
}
.afc-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 4px;
}
.afc-label {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}
@media (max-width: 480px) {
  .about-features-list { grid-template-columns: 1fr; }
}

/* ============================================================
   SERVICES — 左右交替大块（非卡片）
   ============================================================ */
.services {
  padding: 80px 0;
  background: var(--bg);
}
.services-header {
  text-align: center;
  margin-bottom: 64px;
}
.services-list { display: flex; flex-direction: column; gap: 0; }

.svc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.svc-row:first-child { border-top: 1px solid var(--border); }
.svc-row.reverse .svc-visual { order: 2; }
.svc-row.reverse .svc-info { order: 1; }

.svc-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 270px;
  background: linear-gradient(135deg, var(--gold-pale) 0%, #F7F3E8 100%);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s;
}
.svc-visual svg {
  width: 56px;
  height: 56px;
  position: relative;
  z-index: 1;
}
.svc-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.svc-info h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--dark);
}
.svc-info p { color: var(--muted); line-height: 1.7; font-size: 1rem; }
.svc-tagline { font-weight: 700; color: var(--dark); font-size: 1.05rem; }
.svc-desc { margin-top: 10px; }
.svc-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--gold-pale);
  color: var(--gold);
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.svc-index {
  font-family: var(--font-display);
  font-size: 4rem;
  color: rgba(139,105,20,.40);
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1;
}

/* ============================================================
   AI 平台：6 大主流 AI 平台合规 GEO
   ============================================================ */
.ai-platforms {
  padding: 96px 0 100px;
  background: #FAF7F0;
}
.ai-platforms-head {
  text-align: center;
  margin-bottom: 56px;
}
.ai-platforms-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 5px 14px;
  background: var(--gold-pale);
  border-radius: 20px;
  margin-bottom: 18px;
}
.ai-platforms-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--dark);
  letter-spacing: -0.01em;
  margin: 0 auto 12px;
  max-width: 720px;
  line-height: 1.4;
}
.ai-platforms-sub {
  font-size: 15px;
  color: var(--muted);
  margin: 0 auto;
  max-width: 560px;
  line-height: 1.6;
}
.ai-platforms-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
  max-width: 1100px;
}
.ai-platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 12px 22px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(26,26,46,0.04);
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease;
}
.ai-platform-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(26,26,46,0.1);
  border-color: rgba(212,168,67,0.35);
}
.ai-platform-logo {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  border-radius: 14px;
  overflow: hidden;
  background: #FCFBF7;
}
.ai-platform-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}
.ai-platform-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: 0.01em;
  margin-bottom: 4px;
}
.ai-platform-en {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.03em;
  font-weight: 500;
}

@media (max-width: 980px) {
  .ai-platforms-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (max-width: 520px) {
  .ai-platforms { padding: 64px 0 72px; }
  .ai-platforms-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .ai-platform-card { padding: 22px 10px 18px; border-radius: 12px; }
  .ai-platform-logo { width: 56px; height: 56px; }
  .ai-platform-name { font-size: 14px; }
}

/* ============================================================
   CASES — 杂志式展开（1 大 + 2 小）
   ============================================================ */
.cases {
  padding: 80px 0;
  background: var(--card);
}
.cases-header { text-align: center; margin-bottom: 60px; }

.cases-spread {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}
.case-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.case-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.case-card.featured {
  grid-column: 1 / -1;
  padding: 40px;
}
.case-card.featured > div {
  width: 100%;
}
.case-industry {
  display: inline-block;
  padding: 4px 14px;
  background: var(--gold-pale);
  color: var(--gold);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.case-title { font-size: 1.3rem; margin-bottom: 10px; color: var(--dark); }
.case-card.featured .case-title { font-size: 1.6rem; }
.case-problem { color: var(--muted); font-size: 0.9rem; margin-bottom: 10px; line-height: 1.6; }
.case-solution { color: var(--ink); font-size: 0.9rem; margin-bottom: 10px; line-height: 1.6; }
.case-result {
  font-weight: 700;
  color: var(--gold);
  font-size: 0.95rem;
  margin-top: 8px;
}
.case-divider { width: 40px; height: 3px; background: var(--gold); margin: 14px 0; }

/* 案例数据指标块 */
.case-results {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}
.case-results-sm {
  gap: 14px;
}
.case-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--gold-pale);
  border-radius: var(--radius);
  min-width: 0;
  flex: 1;
}
.case-results-sm .case-metric {
  padding: 12px 14px;
}
.metric-body {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink);
  text-align: left;
}
.metric-body strong {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--gold);
  font-size: 1.05em;
}
.case-results-sm .metric-body {
  font-size: 0.8rem;
}
.case-results-sm .metric-body strong {
  font-size: 1em;
}

/* ============================================================
   CASES v2 — 封面图 + 指标 + 平台标签 + 整卡可点击
   ============================================================ */
.cases-spread {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.case-card.v2 {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  position: relative;
  z-index: 1;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease, border-color 0.35s ease;
  cursor: pointer;
}
.case-card.v2:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(26,26,46,0.18), 0 8px 16px rgba(26,26,46,0.1);
  border-color: rgba(212,168,67,0.4);
  z-index: 10;
}
.case-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(135deg, #1A1A2E 0%, #2C2C2A 60%, #1A1A2E 100%);
}
.case-cover-1 { background: linear-gradient(135deg, #2C5530 0%, #4A7C44 50%, #6B9962 100%); }
.case-cover-2 { background: linear-gradient(135deg, #B8860B 0%, #D4A843 60%, #B8860B 100%); }
.case-cover-3 { background: linear-gradient(135deg, #1A1A2E 0%, #3D3D5C 50%, #5B5B7A 100%); }
.case-cover-4 { background: linear-gradient(135deg, #0F766E 0%, #14B8A6 50%, #5EEAD4 100%); }
.case-cover-5 { background: linear-gradient(135deg, #C2410C 0%, #EA580C 60%, #FBBF24 100%); }
.case-cover-6 { background: linear-gradient(135deg, #1E3A5F 0%, #3B82F6 50%, #93C5FD 100%); }
.case-cover-overlay {
  width: 100%;
  padding: 22px 22px 18px;
  color: #fff;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.45) 100%);
}
.case-cover-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.case-cover-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.case-cover-meta {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  font-weight: 400;
}
.case-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.case-excerpt {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0 0 18px;
}
.case-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}
.case-metric-pill {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 10px 6px 12px;
  text-align: center;
  border-bottom: 1px solid rgba(26,26,46,0.08);
}
.case-metric-pill strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: #1E3A8A;
  margin-bottom: 6px;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.04em;
}
.case-metric-pill span {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.5;
  letter-spacing: 0.01em;
}
.case-platforms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 18px;
}
.case-platform-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px 4px 5px;
  background: rgba(0,0,0,0.04);
  border-radius: 20px;
  font-size: 12px;
  color: var(--dark);
  font-weight: 500;
}
.case-platform-tag img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  object-fit: cover;
}
.case-readmore {
  display: inline-block;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(0,0,0,0.06);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  width: 100%;
}

@media (max-width: 900px) {
  .cases-spread { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 580px) {
  .cases-spread { grid-template-columns: 1fr; }
  .case-cover { aspect-ratio: 16 / 9; }
}

/* ============================================================
   CASE DETAIL — 详情页
   ============================================================ */
.case-detail { padding: 60px 0 80px; background: var(--bg); }
.case-detail-grid {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.case-detail-section {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 28px 32px;
}
.case-detail-section .section-tag {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.case-detail-section p {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.85;
  margin: 0;
  white-space: pre-line;
}
.case-detail-results .case-results { margin-top: 8px; }

/* ============================================================
   INSIGHTS — 编辑式排版 (大左 + 两小右)
   ============================================================ */
.insights {
  padding: 80px 0;
  background: var(--bg);
}
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.insight-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  transition: all .3s;
}
.insight-card:hover { box-shadow: var(--shadow-md); border-color: var(--gold); transform: translateY(-3px); }
.insight-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.insight-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--dark);
  line-height: 1.4;
  flex-shrink: 0;
}
.insight-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.insight-excerpt {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.insight-readmore {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gold);
  margin-top: 16px;
  flex-shrink: 0;
  transition: gap .3s;
}
.insight-card:hover .insight-readmore { gap: 8px; }

/* ============================================================
   SECTION CTA — 渐进式行动引导
   ============================================================ */
.section-cta {
  text-align: center;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.section-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gold);
  text-decoration: none;
  transition: all .3s;
  letter-spacing: 0.02em;
}
.section-cta-link:hover {
  color: var(--gold-light);
  gap: 10px;
}
[data-theme="dark"] .section-cta-link:hover { color: var(--gold); }

/* ===== Soft CTA — 轻量行动引导 ===== */
.soft-cta {
  padding: 56px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.soft-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.soft-cta-text h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--dark);
  margin-bottom: 4px;
}
.soft-cta-text p {
  font-size: 0.92rem;
  color: var(--muted);
}
@media (max-width: 640px) {
  .soft-cta-inner { flex-direction: column; text-align: center; }
}

/* ============================================================
   CTA — 大胆 banner
   ============================================================ */
.cta-banner {
  padding: 100px 0;
  background: linear-gradient(135deg, #1A1A2E 0%, #25254A 100%);
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: var(--gold);
  margin-bottom: 14px;
}
.cta-banner p { color: #94A3B8; font-size: 1.1rem; margin-bottom: 32px; }
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-outline-light {
  display: inline-block;
  padding: 14px 36px;
  border: 2px solid rgba(255,255,255,.25);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: all .3s;
}
.btn-outline-light:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ============================================================
   GEO COMPLIANT — 合规GEO 科普页
   ============================================================ */
.geo-section { padding: 64px 0; background: var(--card); }
.geo-section-alt { background: var(--bg); }
.geo-section-bg {
  padding: 50px 0;
  background: transparent;
}
.geo-notice {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid rgba(227, 75, 74, 0.28);
  border-left: 5px solid #E24B4A;
  border-radius: 14px;
  padding: 24px 28px 22px;
  box-shadow: 0 6px 20px rgba(227, 75, 74, 0.06);
}
.geo-notice-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.geo-notice-badge {
  display: inline-block;
  padding: 3px 14px;
  background: #E24B4A;
  color: #fff;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.geo-notice-date {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.geo-notice-lead {
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--dark);
  line-height: 1.8;
  margin: 0 0 8px;
}
.geo-notice-lead strong {
  color: #A32D2D;
  font-weight: 700;
}
.geo-notice-text {
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.8;
  margin: 0;
}
.geo-prose-card {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid rgba(212, 168, 67, 0.3);
  border-left: 5px solid var(--gold);
  border-radius: 14px;
  padding: 22px 32px 26px;
  box-shadow: 0 6px 20px rgba(26, 26, 46, 0.04);
}
.geo-prose-card-top { margin-bottom: 14px; }
.geo-prose-tag {
  display: inline-block;
  padding: 3px 14px;
  background: rgba(212, 168, 67, 0.15);
  color: var(--gold);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.geo-prose-card-body {
  font-size: 0.98rem;
  color: var(--ink);
  line-height: 1.95;
  text-align: left;
}
.geo-prose-card-body p { margin: 0 0 22px; }
.geo-prose-card-body p:last-child { margin-bottom: 0; }
.geo-prose-card-body strong { color: var(--gold); font-weight: 700; }
.geo-section-head {
  max-width: 780px;
  margin: 0 auto 26px;
  text-align: center;
}
.geo-section-head .section-tag {
  display: inline-block;
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.geo-section-head h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
.geo-prose {
  max-width: 720px;
  margin: 0 auto 30px;
  padding: 34px 38px 30px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 16px;
  font-size: 0.98rem;
  color: var(--ink);
  line-height: 1.95;
  text-align: left;
}
.geo-prose p { margin: 0 0 22px; }
.geo-prose p:last-child { margin-bottom: 0; }
.geo-prose strong { color: var(--gold); font-weight: 700; }
.geo-section-sub {
  max-width: 720px;
  margin: 14px auto 36px;
  padding: 0 8px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
}
.geo-compare {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.geo-compare-card {
  border-radius: 16px;
  padding: 26px 28px;
  border: 1px solid rgba(0,0,0,0.07);
  background: #fff;
}
.geo-compare-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 16px;
}
.geo-compare-good { border-top: 3px solid #1D9E75; }
.geo-compare-good h3 { color: #0F6E56; }
.geo-compare-bad { border-top: 3px solid #E24B4A; }
.geo-compare-bad h3 { color: #A32D2D; }
.geo-compare-card ul { list-style: none; margin: 0; padding: 0; }
.geo-compare-card li {
  position: relative;
  padding-left: 18px;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 10px;
}
.geo-compare-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.geo-compare-good li::before { background: #1D9E75; }
.geo-compare-bad li::before { background: #E24B4A; }
.geo-compare-card li strong {
  color: var(--dark);
  font-weight: 600;
  margin-right: 4px;
}
.geo-grid3 {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.geo-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 24px 22px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.geo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(26,26,46,0.08);
  border-color: rgba(212,168,67,0.35);
}
.geo-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  margin: 0 0 10px;
}
.geo-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  margin: 0;
}
.geo-promise {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.geo-promise-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 18px 22px;
}
.geo-promise-mark {
  color: var(--gold);
  font-size: 18px;
  line-height: 1.4;
  flex-shrink: 0;
}
.geo-promise-item p {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.7;
  margin: 0;
}

@media (max-width: 1024px) {
  .geo-grid3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .geo-compare { grid-template-columns: 1fr; }
  .geo-grid3 { grid-template-columns: 1fr; }
}

/* ============================================================
   GEO FRONTIER — 前沿资讯列表
   ============================================================ */
.geo-frontier {
  padding: 64px 0 80px;
  background: var(--card);
}
.geo-frontier-head {
  max-width: 780px;
  margin: 0 auto 28px;
  display: flex;
  justify-content: center;
}
.geo-frontier-note {
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.geo-frontier-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.geo-frontier-item {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.geo-frontier-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(26,26,46,0.1);
  border-color: rgba(212,168,67,0.4);
}
.geo-frontier-link {
  display: block;
  padding: 22px 26px;
  text-decoration: none;
  color: inherit;
}
.geo-frontier-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.geo-frontier-source {
  display: inline-block;
  padding: 3px 12px;
  background: var(--gold-pale);
  color: var(--gold);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.geo-frontier-source.geo-frontier-self {
  background: rgba(26,26,46,0.06);
  color: var(--dark);
}
.geo-frontier-date {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}
.geo-frontier-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--dark);
  line-height: 1.45;
  margin: 0 0 8px;
}
.geo-frontier-summary {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 12px;
}
.geo-frontier-readmore {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gold);
}
.geo-frontier-empty {
  max-width: 780px;
  margin: 0 auto;
}
.geo-frontier-empty-inner {
  background: #fff;
  border: 1px dashed rgba(0,0,0,0.12);
  border-radius: 14px;
  padding: 48px 24px;
  text-align: center;
}
.geo-frontier-empty-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 8px;
}
.geo-frontier-empty-desc {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

/* ============================================================
   FAQ — 双列展开（非手风琴）
   ============================================================ */
.faq {
  padding: 64px 0;
  background: var(--card);
}

.faq-grid {
  max-width: 720px;
  margin: 0 auto;
}
.faq-category {
  margin-top: 44px;
  margin-bottom: 18px;
}
.faq-category:first-of-type { margin-top: 8px; }
.faq-category-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--dark);
  margin: 0 0 6px;
  letter-spacing: 0.02em;
}
.faq-category-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

/* ---- FAQ 关键词筛选标签 ---- */
.faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.faq-tab {
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
  user-select: none;
  white-space: nowrap;
}
.faq-tab:hover {
  color: var(--dark);
  border-color: var(--gold-pale);
  background: var(--gold-pale);
}
.faq-tab.is-active {
  color: var(--gold);
  border-color: var(--gold);
  background: var(--gold-pale);
  font-weight: 600;
}

/* FAQ 过滤动画 */
.faq-grid .faq-item,
.faq-grid .faq-category {
  transition: opacity 0.3s ease, transform 0.3s ease, margin 0.3s ease;
}
.faq-grid .faq-item.is-hidden,
.faq-grid .faq-category.is-hidden {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  padding-top: 0;
  padding-bottom: 0;
  border: none;
}

@media (max-width: 600px) {
  .faq-tabs { gap: 8px; margin-bottom: 28px; }
  .faq-tab { font-size: 12px; padding: 6px 14px; }
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}
.faq-item:hover { border-color: var(--gold-pale); }
.faq-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
}
.faq-q-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--gold-pale);
  color: var(--gold);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-q-text {
  flex: 1;
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  line-height: 1.5;
}
.faq-toggle {
  flex-shrink: 0;
  width: 20px; height: 20px;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .3s ease;
}
.faq-toggle svg { width: 14px; height: 14px; }
.faq-item.open .faq-toggle { transform: rotate(180deg); color: var(--gold); }
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
  padding: 0 24px 0 70px;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
  padding: 0 24px 20px 70px;
}
.faq-answer-inner {
  overflow: hidden;
  min-height: 0;
}
.faq-answer-inner p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ============================================================
   ARTICLE PAGE — 独立文章详情页
   ============================================================ */
.article-page { padding: 60px 0 80px; background: var(--bg); }
.article-breadcrumb {
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}
.article-breadcrumb a { color: var(--gold); text-decoration: none; }
.article-breadcrumb a:hover { text-decoration: underline; }
.article-breadcrumb .sep { margin: 0 6px; opacity: .5; }
.article-header {
  max-width: 780px;
  margin: 0 auto 40px;
  text-align: center;
}
.article-header .insight-tag { margin-bottom: 16px; }
.article-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--dark);
  line-height: 1.25;
  margin-bottom: 16px;
}
.article-meta {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.article-meta .dot { opacity: .4; }
.article-content {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: var(--ink);
  line-height: 1.9;
}
.article-content p { margin-bottom: 1.2em; }
.article-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--dark);
  margin: 2em 0 0.8em;
}
.article-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--dark);
  margin: 1.6em 0 0.6em;
}
.article-content ul, .article-content ol { margin-bottom: 1.2em; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.4em; }
.article-content strong { color: var(--dark); font-weight: 700; }
.article-footer {
  max-width: 720px;
  margin: 48px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  text-align: center;
}

/* ============================================================
   CONTACT — 左右分栏
   ============================================================ */
.contact {
  padding: 80px 0;
  background: var(--bg);
}
.contact-split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 14px; }
.contact-info .lead { color: var(--muted); margin-bottom: 32px; line-height: 1.7; }
.contact-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  font-size: 0.95rem;
  color: var(--ink);
}
.contact-detail .icon { font-size: 1.3rem; color: var(--gold); }

/* QR Grid — 联系页二维码区域 */
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.qr-item { text-align: center; }
.qr-item img { width: 150px; height: 150px; border-radius: var(--radius); object-fit: cover; }
.qr-label { display: block; font-size: 1rem; margin-bottom: 12px; color: var(--ink); }

.contact-form-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font);
  background: var(--bg);
  transition: all .3s;
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(184,134,11,.1);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--dark);
  color: #94A3B8;
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.footer-col p, .footer-col a {
  font-size: 0.85rem;
  color: #94A3B8;
  line-height: 2;
  text-decoration: none;
  display: block;
}
.footer-col a:hover { color: var(--gold); }

/* Footer 内联样式提取 */
.footer-slogan { margin-top: var(--space-2); font-style: italic; }
.footer-complaint {
  margin-top: var(--space-2);
  display: inline-block;
  color: #d4a843;
}
.footer-complaint:hover { color: var(--gold-light); }

/* 备案信息 */
.footer-beian {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.8rem;
}
.footer-beian:hover { color: var(--gold); }
.footer-beian-icon {
  width: 16px;
  height: 17px;
  display: inline-block;
}
.footer-beian-wrap {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.8rem;
}
.footer-beian-wrap:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-social { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-social a {
  color: #94A3B8;
  font-size: 0.82rem;
  text-decoration: none;
  padding: 4px 12px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 50px;
  transition: all .3s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.footer-social a:hover { color: var(--gold); border-color: var(--gold); }
/* ============================================================
   控制专业服务模块移动/平板端的排列
   ============================================================ */

@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-visual { height: 280px; }

  .svc-row {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .svc-row .svc-info,
  .svc-row.reverse .svc-info {
    order: 1;
  }

  .svc-row .svc-visual,
  .svc-row.reverse .svc-visual {
    order: 2;
  }

  .svc-visual {
  height: clamp(240px, 42vw, 360px);
}


  .insights-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .insight-card.featured { grid-row: auto; }
  .faq-grid { grid-template-columns: 1fr; }
  .contact-split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .svc-visual {
    height: clamp(420px, 55vw, 560px);
  }

  .svc-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
  }
}





/* ===== QR Modal — 微信二维码弹窗 ===== */




/* ===== QR Modal — 微信二维码弹窗 ===== */
.qr-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: rgba(26, 26, 46, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
}
.qr-overlay.active { display: flex; }
.qr-modal {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  max-width: 320px;
  width: 90%;
  animation: qrFadeIn .3s var(--ease-out);
}
.qr-modal img {
  width: 200px;
  height: 200px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.qr-modal p {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 20px;
}
.qr-modal .qr-close {
  display: inline-block;
  padding: 8px 28px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
  transition: all .3s;
}
.qr-modal .qr-close:hover {
  border-color: var(--gold);
  color: var(--gold);
}
@keyframes qrFadeIn {
  from { opacity: 0; transform: scale(0.92) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* ===== Accessibility: focus-visible ===== */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent,#2563eb)!important;outline-offset:2px}

/* ===== Print styles ===== */
@media print{body{color:#000;background:#fff}nav,.hero-visual,.footer,.stats-strip,nav{display:none}.hero,.section,section{padding:20px 0}a{color:#000;text-decoration:underline}a[href^="http"]::after{content:" (" attr(href) ")";font-size:.8em}}

/* ===== Reduced motion ===== */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* ============================================================
   MULTI-PAGE: 页面导航卡片 (首页用)
   ============================================================ */
.page-links-section {
  padding: 72px 0 80px;
  background: var(--bg);
}
.page-links-title {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--dark);
  margin-bottom: 48px;
  letter-spacing: 0.04em;
}
.page-links-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.page-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 12px;
  background: none;
  border: none;
  text-decoration: none;
  color: var(--ink);
  text-align: center;
}
.page-link-card .pl-icon { display: block; margin-bottom: 18px; }
.page-link-card .pl-icon svg { display: block; margin: 0 auto; }
.page-link-card:hover .pl-icon svg { transform: scale(1.06); transition: transform 0.4s var(--ease-out); }
.page-link-card .pl-label { font-weight: 600; font-size: 1rem; color: var(--ink); }
.page-link-card .pl-desc { font-size: 0.78rem; color: var(--muted); margin-top: 6px; }

/* ============================================================
   MULTI-PAGE: 子页面 Banner
   ============================================================ */
.page-banner {
  padding: 100px 0 60px;
  background: var(--bg);
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-banner h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--dark);
  margin-bottom: 12px;
}
.page-banner .banner-desc {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 16px;
  line-height: 1.7;
}
.page-banner .breadcrumb-text {
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.page-banner .breadcrumb-text a {
  color: var(--gold);
  text-decoration: none;
}
.page-banner .breadcrumb-text a:hover { text-decoration: underline; }
.page-banner .breadcrumb-text .sep { margin: 0 6px; opacity: .5; }



/* 响应式 */
@media (max-width: 768px) {
  .page-links-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .page-links-grid { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .cases-spread {
    grid-template-columns: 1fr;
  }

  .cases-spread .case-card {
    grid-column: 1 / -1;
    width: 100%;
  }
}

/* ============================================================
   回到顶部按钮
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 40px;
  right: 40px;
  z-index: 9998;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--gold);
  border: 2px solid var(--gold-pale);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all .35s var(--ease-out);
  box-shadow: var(--shadow-md);
}
.back-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--gold);
  color: #fff;
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.back-top svg { width: 20px; height: 20px; }
@media (max-width: 768px) {
  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* ============================================================
   Hero 背景微动效
   ============================================================ */
@keyframes heroRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes heroBgFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero {
  background: linear-gradient(-45deg, #FCFBF7, #F7F3E8, #FCFBF7, #F0EBDA);
  background-size: 400% 400%;
  animation: heroBgFlow 12s ease infinite;
}
.hero-geo-1 {
  animation: heroRotate 20s linear infinite, heroFloat 6s ease-in-out infinite !important;
}
.hero-geo-2 {
  animation: heroRotate 25s linear infinite reverse, heroFloat 8s ease-in-out infinite 1s !important;
}
.hero-geo-3 {
  animation: heroFloat 7s ease-in-out infinite 0.5s !important;
}

/* ============================================================
   图片滚动渐显
   ============================================================ */
.reveal-img {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal-img.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============================================================
   手机端底部悬浮 CTA
   ============================================================ */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9997;
  text-align: center;
  padding: 0 16px 20px;
  pointer-events: none;
}
.mobile-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 400px;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: #fff;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  pointer-events: auto;
  box-shadow: 0 4px 20px rgba(184,134,11,.3);
  letter-spacing: 0.02em;
  transition: all .3s;
}
.mobile-cta a:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(184,134,11,.4); }
@media (max-width: 768px) {
  .mobile-cta { display: block; }
  .site-footer { padding-bottom: 88px; }
}

/* ============================================================
   表单提交成功动画
   ============================================================ */
.form-success {
  display: none;
  text-align: center;
  padding: 60px 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.form-success.active { display: block; animation: successFadeIn .5s var(--ease-out); }
@keyframes successFadeIn {
  from { opacity: 0; transform: scale(0.9) translateY(10px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.form-success .checkmark {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  animation: successScale .5s var(--ease-out) .15s both;
}
@keyframes successScale {
  from { transform: scale(0); }
  to   { transform: scale(1); }
}
.form-success .checkmark svg { width: 36px; height: 36px; stroke: #fff; stroke-width: 3; }
.form-success h3 { font-family: var(--font-display); font-size: 1.4rem; color: var(--dark); margin-bottom: 8px; }
.form-success p { font-size: 0.95rem; color: var(--muted); line-height: 1.6; }

/* ============================================================
   文章上下篇导航
   ============================================================ */
.article-nav {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 0;
}
.article-nav a {
  text-decoration: none;
  color: var(--dark);
  font-size: 1rem;
  font-weight: 600;
  transition: all .3s;
  max-width: 45%;
  line-height: 1.5;
}
.article-nav a:hover { color: var(--gold); }
.article-nav .nav-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}