/* ============================================================
   Vertrise跃升 · 首页落地页专属版式
   颜色统一走 style.css 的 CSS 变量（浅色默认，可切深色）
   ============================================================ */

/* ---- Hero ---- */
.ld-hero {
  text-align: center;
  padding: 84px 24px 56px;
  position: relative;
  overflow: hidden;
}

.ld-hero::before {
  content: '';
  position: absolute;
  top: -220px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(20, 184, 166, 0.14), transparent);
  pointer-events: none;
}

.ld-hero::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -160px;
  width: 460px;
  height: 460px;
  background: radial-gradient(closest-side, rgba(251, 146, 60, 0.1), transparent);
  pointer-events: none;
}

.ld-hero > * {
  position: relative;
}

.ld-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 26px;
}

.ld-hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.18);
}

.ld-hero h1 {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--text);
}

.ld-hero h1 .brand-cn {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ld-hero-sub {
  margin: 18px auto 0;
  max-width: 560px;
  color: var(--text2);
  font-size: 1.05rem;
  line-height: 1.8;
}

.ld-hero-cta {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.ld-hero-trust {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  gap: 10px 26px;
  flex-wrap: wrap;
  color: var(--text3);
  font-size: 0.84rem;
}

.ld-hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.ld-hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ---- 区块通用 ---- */
.ld-section {
  padding: 64px 24px;
}

.ld-section + .ld-section {
  border-top: 1px solid var(--border);
}

.ld-section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
}

.ld-kicker {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.ld-section-head h2 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.ld-section-head p {
  color: var(--text2);
  font-size: 0.98rem;
  line-height: 1.8;
}

/* ---- 工具卡 ---- */
.ld-tools {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.ld-tool-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 26px;
  text-decoration: none;
  color: var(--text);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.ld-tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.ld-tool-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.14), rgba(6, 182, 212, 0.14));
  border: 1px solid rgba(13, 148, 136, 0.25);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ld-tool-icon svg {
  width: 26px;
  height: 26px;
}

.ld-tool-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.ld-tool-desc {
  color: var(--text2);
  font-size: 0.88rem;
  line-height: 1.7;
  flex: 1;
}

.ld-tool-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.ld-tool-badge {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
}

.ld-tool-badge.free {
  color: var(--success);
  border-color: rgba(5, 150, 105, 0.3);
}

.ld-tool-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.ld-tool-go svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition);
}

.ld-tool-card:hover .ld-tool-go svg {
  transform: translateX(3px);
}

/* ---- 三步流程 ---- */
.ld-steps {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.ld-step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}

.ld-step-num {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient);
  color: var(--accent-ink);
  font-weight: 800;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.ld-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.ld-step p {
  color: var(--text2);
  font-size: 0.86rem;
  line-height: 1.7;
}

/* ---- 定价 ---- */
.ld-pricing {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-items: stretch;
}

.ld-price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.ld-price-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.ld-price-tag {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--btn-gradient);
  color: var(--accent-ink);
  white-space: nowrap;
}

.ld-price-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text2);
  letter-spacing: 0.06em;
}

.ld-price-amount {
  font-size: 2.4rem;
  font-weight: 800;
  margin: 12px 0 4px;
  letter-spacing: -0.02em;
}

.ld-price-amount small {
  font-size: 0.85rem;
  color: var(--text3);
  font-weight: 500;
}

.ld-price-desc {
  color: var(--text2);
  font-size: 0.86rem;
  line-height: 1.8;
  margin: 8px 0 20px;
  flex: 1;
}

.ld-price-note {
  text-align: center;
  font-size: 0.76rem;
  color: var(--text3);
  margin-top: 12px;
}

/* ---- FAQ ---- */
.ld-faq {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ld-faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.ld-faq summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-size: 0.96rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ld-faq summary::-webkit-details-marker {
  display: none;
}

.ld-faq summary::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--text3);
  transition: transform var(--transition);
}

.ld-faq details[open] summary::after {
  transform: rotate(45deg);
}

.ld-faq details[open] {
  border-color: var(--accent);
}

.ld-faq .ld-faq-a {
  padding: 0 22px 18px;
  color: var(--text2);
  font-size: 0.88rem;
  line-height: 1.8;
}

/* ---- CTA 横幅 ---- */
.ld-cta {
  padding: 40px 24px;
}

.ld-cta-band {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 24px;
  background: linear-gradient(135deg, #0d9488, #0891b2);
  padding: 52px 32px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.ld-cta-band::after {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(closest-side, rgba(255, 255, 255, 0.18), transparent);
  pointer-events: none;
}

.ld-cta-band h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.ld-cta-band p {
  opacity: 0.9;
  font-size: 0.95rem;
  margin-bottom: 26px;
}

.ld-cta-band .jt-btn {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.ld-cta-band .jt-btn-accent {
  background: #fff;
  color: #0d9488;
}

/* ---- 首页登录提示条 ---- */
.ld-auth-note {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 8px;
}

.ld-auth-note .jt-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 24px;
}

.ld-auth-note .jt-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.ld-auth-note .jt-card p {
  color: var(--text2);
  font-size: 0.86rem;
}

.ld-auth-note .jt-btn {
  flex-shrink: 0;
}

.ld-userbar {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px 0;
  text-align: center;
  color: var(--text2);
  font-size: 0.9rem;
}

.ld-userbar b {
  color: var(--text);
}

/* ---- 响应式 ---- */
@media (max-width: 720px) {
  .ld-hero {
    padding: 60px 18px 44px;
  }
  .ld-hero h1 {
    font-size: 2.2rem;
  }
  .ld-hero-sub {
    font-size: 0.95rem;
  }
  .ld-section {
    padding: 48px 18px;
  }
  .ld-section-head h2 {
    font-size: 1.5rem;
  }
  .ld-cta-band {
    padding: 40px 22px;
  }
}

/* ---- 安卓 App 下载按钮 ---- */
.app-download-btn {
  background: linear-gradient(135deg, #16a34a, #0d9488);
  color: #fff;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
}
.app-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(22, 163, 74, 0.45);
}
.app-download-hint {
  width: 100%;
  text-align: center;
  color: var(--text3);
  font-size: 0.78rem;
  margin-top: -18px;
}