/* 首页（营销落地页）：瓷白底 + 墨蓝强调，卡片与套餐复用 plans.css */
.landing {
  max-width: 1160px;
  margin: 0 auto;
  padding: calc(var(--header-height) + 56px) 32px 72px;
}

.eyebrow {
  color: var(--accent-text);
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0.18em;
}

/* ---------- 首屏 ---------- */
.hero {
  display: grid;
  align-items: center;
  gap: 48px;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

.hero-copy {
  display: grid;
  gap: 18px;
}

.hero h1 {
  margin: 0;
  font-size: 44px;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

.hero h1 output {
  color: var(--accent-text);
}

.hero-copy p {
  max-width: 520px;
  margin: 0;
  color: var(--muted-strong);
  font-size: 15px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 6px;
}

.hero-primary,
.hero-secondary {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  padding: 0 22px;
  border-radius: 11px;
  font-size: 14px;
  font-weight: 750;
}

.hero-primary {
  color: white;
  background: var(--accent);
  box-shadow: 0 10px 24px rgba(31, 58, 138, 0.22);
}

.hero-primary:hover {
  background: var(--accent-hover);
}

.hero-secondary {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--surface);
}

.hero-secondary:hover {
  border-color: var(--accent-line);
  color: var(--accent-text);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 12.5px;
}

.hero-proof li {
  padding-left: 18px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231a7f5a' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.2 4.2L19 7'/%3E%3C/svg%3E")
    no-repeat 0 50% / 12px;
}

/* 四类创作入口：渐变底卡片 */
.hero-tiles {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-tile {
  position: relative;
  display: grid;
  min-height: 176px;
  align-content: end;
  gap: 4px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  color: var(--text);
  background: var(--surface);
  transition:
    transform 0.15s,
    box-shadow 0.15s;
}

.hero-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.hero-tile::before {
  position: absolute;
  inset: 0 0 42%;
  background: linear-gradient(135deg, hsl(var(--tile-hue) 70% 92%), hsl(calc(var(--tile-hue) + 40) 60% 82%));
  content: "";
}

.hero-tile[data-mode="image"] {
  --tile-hue: 222;
}

.hero-tile[data-mode="video"] {
  --tile-hue: 20;
}

.hero-tile[data-mode="avatar"] {
  --tile-hue: 320;
}

.hero-tile[data-mode="voice"] {
  --tile-hue: 150;
}

.hero-tile svg {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 30px;
  height: 30px;
  color: hsl(var(--tile-hue) 50% 32%);
}

.hero-tile strong {
  position: relative;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.hero-tile span {
  position: relative;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.hero-tile small {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.85);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- 厂商 ---------- */
.vendors {
  margin-top: 64px;
  text-align: center;
}

.vendors h2 {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.vendor-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.vendor-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 12px 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12.5px;
}

.vendor-chip-icon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.vendor-chip b {
  font-weight: 650;
}

.vendor-chip small {
  color: var(--muted);
  font-size: 11px;
}

/* ---------- 价值点 ---------- */
.section-head {
  display: grid;
  gap: 8px;
  max-width: 640px;
  margin: 0 auto 26px;
  text-align: center;
}

.section-head h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.035em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

.features {
  margin-top: 72px;
}

.feature-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-grid article {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
}

.feature-grid h3 {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.feature-grid p {
  margin: 0;
  color: var(--muted-strong);
  font-size: 12.5px;
  line-height: 1.7;
}

/* ---------- 套餐与收尾 ---------- */
.plans {
  margin-top: 72px;
}

.plans .plan-promo {
  justify-content: center;
  margin-bottom: 18px;
}

.plans-more {
  margin: 18px 0 0;
  font-size: 13px;
  text-align: center;
}

.plans-more a {
  color: var(--accent-text);
  font-weight: 650;
}

.closing {
  display: grid;
  justify-items: center;
  gap: 12px;
  margin-top: 72px;
  padding: 44px 24px;
  border: 1px solid var(--accent-line);
  border-radius: 22px;
  background: var(--accent-soft);
  text-align: center;
}

.closing h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.closing p {
  max-width: 480px;
  margin: 0 0 6px;
  color: var(--muted-strong);
  font-size: 13.5px;
  line-height: 1.7;
}