/* ========== CSS 变量 ========== */
:root {
  --malt-primary: #FF3D57;
  --malt-primary-dark: #d42e46;
  --malt-primary-light: #fff5f6;
  --malt-secondary: #6C47FF;
  --malt-text: #111827;
  --malt-text-muted: #6B7280;
  --malt-bg: #ffffff;
  --malt-bg-alt: #F8FAFC;
  --malt-bg-dark: #0a0a1a;
  --malt-border: #E5E7EB;
  --malt-font-en: 'Inter', 'Roboto', sans-serif;
  --malt-font-zh: 'HarmonyOS Sans', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --malt-font: 'Inter', 'HarmonyOS Sans', 'Noto Sans SC', 'Roboto', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --malt-radius: 8px;
  --malt-radius-lg: 16px;
  --malt-shadow: 0 4px 16px rgba(0,0,0,0.08);
  --malt-shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --malt-max-width: 1200px;
}

.malt-page img { max-width: 100%; height: auto; }
.malt-page ul { list-style: none; }

.malt-container { max-width: var(--malt-max-width); margin: 0 auto; padding: 0 30px; }
.malt-section { padding: 80px 0; }
.malt-section--alt { background: var(--malt-bg-alt); }
.malt-section--dark { background: var(--malt-bg-dark); }

.malt-section-tag {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--malt-primary); background: var(--malt-primary-light);
  padding: 4px 12px; border-radius: 100px; margin-bottom: 16px;
}
.malt-section-tag--light { color: rgba(255,255,255,0.85); background: rgba(255,61,87,0.18); }
.malt-section-title { font-size: 32px; font-weight: 600; line-height: 1.35; margin-bottom: 16px; }
.malt-section-title--center { text-align: center; }
.malt-section-title--white { color: #fff; }
.malt-section-desc { font-family: var(--malt-font-zh); font-size: 17px; color: var(--malt-text-muted); line-height: 1.75; }
.malt-section-desc--center { text-align: center; max-width: 660px; margin: 0 auto; }
.malt-section-desc--white { color: rgba(255,255,255,0.65); }
.malt-section-header { margin-bottom: 56px; }
.malt-section-header--center { text-align: center; }

/* ========== 按钮 ========== */
.malt-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: var(--malt-radius);
  font-family: var(--malt-font-en); font-size: 15px; font-weight: 500; cursor: pointer;
  letter-spacing: 0.02em; border: 2px solid transparent; transition: all 0.18s ease;
  white-space: nowrap;
}
.malt-btn-lg { padding: 11px 24px; font-size: 15px; }
.malt-btn-primary { background: var(--malt-primary); color: #fff; border-color: var(--malt-primary); }
.malt-btn-primary:hover { background: var(--malt-primary-dark); border-color: var(--malt-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255,61,87,0.35); }
.malt-btn-white { background: #fff; color: var(--malt-primary); border-color: #fff; }
.malt-btn-white:hover { background: #f5f5f5; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }

/* ========== HERO ========== */
.malt-hero {
  background: linear-gradient(160deg, #090921 0%, #11113b 45%, #0d1a3a 100%);
  padding: 96px 0 80px; overflow: hidden; position: relative; text-align: center;
}
.malt-hero-glow-1 {
  position: absolute; top: -80px; right: -60px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(255,61,87,0.18) 0%, transparent 65%);
  pointer-events: none;
}
.malt-hero-glow-2 {
  position: absolute; bottom: -120px; left: -80px;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(108,71,255,0.14) 0%, transparent 65%);
  pointer-events: none;
}
.malt-hero-inner { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.malt-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.06);
  border-radius: 100px; padding: 5px 14px;
  font-size: 13px; color: rgba(255,255,255,0.8); margin-bottom: 24px;
}
.malt-eyebrow-dot { width: 7px; height: 7px; background: #FBBF24; border-radius: 50%; }
.malt-hero h1 {
  font-size: 44px; font-weight: 700; line-height: 1.2;
  letter-spacing: -0.01em; color: #fff; margin-bottom: 24px;
}
.malt-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #FF3D57 0%, #FF8C57 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.malt-hero-sub { font-size: 17px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-bottom: 40px; }
.malt-hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.malt-hero-note { font-size: 13px; color: rgba(255,255,255,0.4); margin-top: 8px; }

/* ========== 竞品导航锚点 ========== */
.malt-alt-nav { padding: 10px 0; border-bottom: 1px solid var(--malt-border); background: #fff; position: sticky; top: 0; z-index: 100; }
.malt-alt-nav-inner { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; align-items: center; }
.malt-alt-nav-inner::-webkit-scrollbar { display: none; }
.malt-alt-nav-item {
  flex-shrink: 0; padding: 7px 16px;
  font-size: 13px; font-weight: 600; color: var(--malt-text-muted);
  background: var(--malt-bg-alt); border: 1.5px solid var(--malt-border);
  border-radius: 100px; transition: all 0.15s; white-space: nowrap;
}
.malt-alt-nav-item:hover { color: var(--malt-primary); background: var(--malt-primary-light); border-color: var(--malt-primary); }
.malt-alt-nav-item.active { color: var(--malt-primary); background: var(--malt-primary-light); border-color: var(--malt-primary); }

/* ========== INTRO TEXT ========== */
.malt-intro-section { padding: 64px 0; }
.malt-intro-inner { max-width: 780px; margin: 0 auto; text-align: center; }
.malt-intro-inner p { font-family: var(--malt-font-zh); font-size: 17px; color: var(--malt-text-muted); line-height: 1.85; }

/* ========== 竞品卡片 ========== */
.malt-competitor-section { padding: 72px 0; border-bottom: 1px solid var(--malt-border); }
.malt-competitor-section:last-of-type { border-bottom: none; }
.malt-competitor-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.malt-competitor-inner.reverse .malt-comp-image { order: -1; }
.malt-comp-image { border-radius: var(--malt-radius-lg); overflow: hidden; box-shadow: var(--malt-shadow-lg); }
.malt-comp-image img { width: 100%; display: block; }
.malt-comp-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--malt-text-muted); border: 1px solid var(--malt-border); border-radius: 100px;
  padding: 4px 12px; margin-bottom: 16px;
}
.malt-comp-badge-dot { width: 6px; height: 6px; background: #9CA3AF; border-radius: 50%; }
.malt-comp-best-for {
  display: inline-block; font-size: 12px; font-weight: 600;
  color: #6C47FF; background: rgba(108,71,255,0.08);
  padding: 4px 12px; border-radius: 100px; margin-bottom: 12px;
}
.malt-comp-title { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
.malt-comp-desc { font-family: var(--malt-font-zh); font-size: 16px; color: var(--malt-text-muted); line-height: 1.8; margin-bottom: 28px; }
.malt-comp-vs {
  background: var(--malt-bg-alt); border-radius: var(--malt-radius-lg);
  padding: 24px 28px; border: 1px solid var(--malt-border);
}
.malt-comp-vs-title { font-size: 14px; font-weight: 700; margin-bottom: 16px; color: var(--malt-text); }
.malt-comp-vs-list { display: flex; flex-direction: column; gap: 10px; }
.malt-comp-vs-item {
  display: flex; gap: 10px; align-items: flex-start;
  font-family: var(--malt-font-zh); font-size: 14px; color: var(--malt-text-muted); line-height: 1.6;
}
.malt-check-icon { color: #22C55E; font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ========== 大功能区 ========== */
.malt-big-feature { padding: 80px 0; }
.malt-big-feature-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.malt-big-feature-img { border-radius: var(--malt-radius-lg); overflow: hidden; box-shadow: var(--malt-shadow-lg); }
.malt-big-feature-img img { width: 100%; display: block; }
.malt-big-feature-text h2 { font-size: 30px; font-weight: 700; margin-bottom: 16px; }
.malt-big-feature-text p { font-family: var(--malt-font-zh); font-size: 16px; color: var(--malt-text-muted); line-height: 1.8; margin-bottom: 24px; }

/* ========== 行业场景 ========== */
.malt-industries-section { padding: 80px 0; background: var(--malt-bg-dark); }
.malt-industries-grid { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; justify-content: center; }
.malt-industry-tag {
  padding: 10px 22px; border-radius: 100px;
  font-family: var(--malt-font-zh); font-size: 15px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.15); color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.04); transition: all 0.15s; cursor: default;
}
.malt-industry-tag:hover { background: rgba(255,61,87,0.15); border-color: rgba(255,61,87,0.4); color: #fff; }

/* ========== 统计 ========== */
.malt-stats-section { padding: 72px 0; }
.malt-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--malt-border); border: 1px solid var(--malt-border); border-radius: var(--malt-radius-lg); overflow: hidden; margin-top: 48px; }
.malt-stat-cell { background: #fff; padding: 40px 28px; text-align: center; }
.malt-stat-number { font-family: var(--malt-font-en); font-size: 40px; font-weight: 700; color: var(--malt-primary); line-height: 1; margin-bottom: 10px; }
.malt-stat-desc { font-family: var(--malt-font-zh); font-size: 14px; color: #999; line-height: 1.5; }

/* ========== FAQ ========== */
.malt-faq-section { padding: 80px 0; background: var(--malt-bg-alt); }
.malt-faq-list { max-width: 760px; margin: 48px auto 0; display: flex; flex-direction: column; gap: 0; }
.malt-faq-item { border-bottom: 1px solid var(--malt-border); }
.malt-faq-question {
  width: 100%; text-align: left; background: none; border: none;
  padding: 24px 0; font-family: var(--malt-font-zh); font-size: 17px; font-weight: 600; color: var(--malt-text);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.malt-faq-question:hover { color: var(--malt-primary); }
.malt-faq-arrow { font-size: 18px; color: var(--malt-text-muted); transition: transform 0.2s; flex-shrink: 0; }
.malt-faq-item.open .malt-faq-arrow { transform: rotate(180deg); }
.malt-faq-answer {
  display: none; font-family: var(--malt-font-zh); font-size: 16px; color: var(--malt-text-muted);
  line-height: 1.8; padding-bottom: 24px;
}
.malt-faq-item.open .malt-faq-answer { display: block; }

/* ========== 安全认证 ========== */
.malt-security-section { padding: 60px 0; border-top: 1px solid var(--malt-border); }
.malt-security-inner { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; justify-content: center; }
.malt-security-text { font-family: var(--malt-font-zh); font-size: 14px; color: var(--malt-text-muted); font-weight: 500; }
.malt-security-badges { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.malt-security-badge {
  padding: 8px 16px; border: 1px solid var(--malt-border); border-radius: var(--malt-radius);
  font-size: 12px; font-weight: 700; color: var(--malt-text-muted); letter-spacing: 0.04em;
  background: var(--malt-bg-alt);
}

/* ========== CTA ========== */
.malt-cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a2744 0%, #0d1a3a 100%);
  text-align: center;
}
.malt-cta-section h2 { font-size: 32px; font-weight: 700; color: #fff; margin-bottom: 16px; line-height: 1.2; }
.malt-cta-section p { font-size: 17px; color: rgba(255,255,255,0.7); margin-bottom: 36px; }
.malt-cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.malt-cta-note { font-family: var(--malt-font-zh); font-size: 13px; color: rgba(255,255,255,0.45); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .malt-competitor-inner, .malt-big-feature-inner { grid-template-columns: 1fr; gap: 40px; }
  .malt-competitor-inner.reverse .malt-comp-image { order: 0; }
}
@media (max-width: 768px) {
  .malt-container { padding: 0 16px; }
  .malt-hero h1 { font-size: 30px; }
  .malt-hero-sub { font-size: 15px; }
  .malt-section-title { font-size: 26px; }
  .malt-comp-title { font-size: 22px; }
  .malt-stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .malt-hero h1 { font-size: 26px; }
  .malt-hero-actions { flex-direction: column; }
  .malt-stats-grid { grid-template-columns: 1fr 1fr; }
  .malt-stat-number { font-size: 32px; }
  .malt-cta-buttons { flex-direction: column; align-items: center; }
}