/* 营销落地页 - 浅色系 */
.landing { position: relative; }

/* 顶栏 */
.landing-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--sp-5);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
}
.landing-nav .brand { padding: 0; border: none; }
.landing-nav .nav-links { display: flex; align-items: center; gap: 28px; }
.landing-nav .nav-links a { color: var(--muted); font-size: 14px; font-weight: 500; }
.landing-nav .nav-links a:hover { color: var(--text); }
@media (max-width: 768px) { .landing-nav .nav-links { display: none; } }

/* Hero */
.hero { padding: 90px 0 70px; text-align: center; position: relative; }
.hero .pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--hairline);
  background: rgba(45,71,57,0.05);
  font-size: 12.5px; color: var(--cyan); margin-bottom: 24px;
  font-weight: 500;
}
.hero h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; letter-spacing: -1px; margin-bottom: 20px; }
.hero .lead { font-size: clamp(15px, 2vw, 19px); color: var(--muted); max-width: 640px; margin: 0 auto 36px; line-height: 1.6; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-cta .btn { padding: 13px 26px; font-size: 15px; }
.hero-mock { margin-top: 64px; position: relative; }

/* 统计带 */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); margin: 0 0 80px; }
@media (max-width: 768px) { .stat-strip { grid-template-columns: repeat(2, 1fr); } }

.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head .eyebrow { font-size: 12px; color: var(--cyan); letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }
.section-head h2 { margin: 12px 0 14px; }
.section-head p { color: var(--muted); max-width: 600px; margin: 0 auto; }

/* 特性 Bento */
.feat-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--sp-4); }
.feat-card { padding: 28px; min-height: 200px; }
.feat-card .feat-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--grad-accent-soft); border: 1px solid var(--hairline); display:flex; align-items:center; justify-content:center; color: var(--cyan); margin-bottom: 18px; }
.feat-card h3 { margin-bottom: 8px; font-size: 18px; }
.feat-card p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.feat-big { grid-column: span 6; min-height: 280px; display:flex; flex-direction: column; justify-content: space-between; }
.feat-s1 { grid-column: span 3; } .feat-s2 { grid-column: span 3; }
.feat-s3 { grid-column: span 4; } .feat-s4 { grid-column: span 4; } .feat-s5 { grid-column: span 4; }
@media (max-width: 900px) {
  .feat-big, .feat-s1, .feat-s2, .feat-s3, .feat-s4, .feat-s5 { grid-column: span 12; }
}

/* 套餐价格卡 */
#pricing .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); align-items: stretch; }
@media (max-width: 900px) { #pricing .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; } }
.price-card { padding: 32px 28px; display: flex; flex-direction: column; position: relative; }
.price-card.highlight { border: 1px solid transparent; background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--grad-hairline) border-box; }
.price-card .plan-tag { font-size: 13px; color: var(--muted); font-weight: 500; }
.price-card .plan-name { font-size: 22px; color: var(--text-strong); margin: 4px 0 18px; }
.price-card .price { font-family: var(--mono); font-size: 44px; font-weight: 600; color: var(--text-strong); line-height: 1; }
.price-card .price .cur { font-size: 22px; color: var(--muted); vertical-align: top; margin-right: 2px; }
.price-card .price .per { font-size: 14px; color: var(--muted); font-weight: 400; margin-left: 4px; font-family: var(--font); }
.price-card .quota { margin: 14px 0 22px; font-size: 13px; color: var(--cyan); }
.price-card .feat-list { list-style: none; flex: 1; margin-bottom: 24px; }
.price-card .feat-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: 13.5px; color: var(--text); border-bottom: 1px solid var(--hairline); }
.price-card .feat-list li:last-child { border-bottom: none; }
.price-card .feat-list li::before { content: "✓"; color: var(--cyan); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.price-card .badge-pop { position: absolute; top: 18px; right: 18px; }
.addon-strip { margin-top: 28px; display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: 13.5px; }
.addon-pill { padding: 8px 14px; border: 1px solid var(--hairline); border-radius: 999px; background: #fff; }

/* 流程区 */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }
@media (max-width: 900px) { .flow-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .flow-grid { grid-template-columns: 1fr; } }
.flow-step { padding: 24px; text-align: center; }
.flow-step .step-no { font-family: var(--mono); font-size: 14px; color: var(--cyan); margin-bottom: 12px; letter-spacing: 1px; }
.flow-step h4 { margin-bottom: 8px; }
.flow-step p { color: var(--muted); font-size: 13.5px; }

/* CTA 区 */
.cta-band { padding: 64px; text-align: center; position: relative; overflow: hidden; }
.cta-band h2 { margin-bottom: 14px; }
.cta-band p { color: var(--muted); margin-bottom: 28px; }
@media (max-width: 600px) { .cta-band { padding: 40px 24px; } }

/* 页脚 */
.footer { border-top: 1px solid var(--hairline); padding: 48px 0 32px; margin-top: 40px; background: var(--bg-1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--sp-5); margin-bottom: 36px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer h5 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.footer a { display: block; color: var(--muted); font-size: 13.5px; padding: 5px 0; }
.footer a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--hairline); padding-top: 20px; display: flex; justify-content: space-between; color: var(--muted-2); font-size: 12.5px; flex-wrap: wrap; gap: 10px; }