/* ============================================================
   PromptHub · AI 提示词库  —  单页样式表
   配色：深蓝 #1E3A8A / 蓝 #1D4ED8 / 青 #0891B2 / 强调 #F97316
   字体：Noto Sans SC → PingFang SC → 微软雅黑（系统回退，无外链）
   断点：1120px / 860px / 620px
   ============================================================ */

/* ========== 基础重置 ========== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  color: #0F172A;
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
h1, h2, h3, p, ul, li, figure { margin: 0; padding: 0; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; }
button { font: inherit; border: 0; background: none; cursor: pointer; }
svg { display: block; }
img { max-width: 100%; }

:root {
  --navy: #1E3A8A;
  --blue: #1D4ED8;
  --cyan: #0891B2;
  --cyan-bright: #06B6D4;
  --cyan-300: #22D3EE;
  --cyan-200: #67E8F9;
  --cyan-100: #CFFAFE;
  --cyan-50: #ECFEFF;
  --orange: #F97316;
  --ink: #0F172A;
  --ink-800: #1E293B;
  --ink-700: #334155;
  --ink-600: #475569;
  --ink-500: #64748B;
  --ink-400: #94A3B8;
  --line: #E2E8F0;
  --line-blue: #DBEAFE;
  --surface: #F8FAFC;
  --surface-2: #F1F5F9;
  --max: 1280px;
}

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; }

/* ========== 1. 导航栏 ========== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(90deg, #1E3A8A 0%, #1E40AF 100%);
  box-shadow: 0 4px 20px rgba(30, 58, 138, .25);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 24px;
  max-width: 1440px;
  margin: 0 auto;
  gap: 24px;
}
.brand { display: flex; align-items: baseline; gap: 10px; flex: 0 0 auto; }
.brand-logo {
  font-size: 24px; font-weight: 700; color: var(--cyan-300);
  letter-spacing: -.01em;
}
.brand-sub { font-size: 13px; font-weight: 500; color: var(--cyan-100); }
.nav-links {
  display: flex; align-items: center; gap: 36px;
}
.nav-links a {
  font-size: 15px; font-weight: 500; color: #ECFEFF;
  opacity: .92; transition: opacity .2s, color .2s;
}
.nav-links a:hover { opacity: 1; color: #FFFFFF; }
.nav-right { display: flex; align-items: center; gap: 24px; flex: 0 0 auto; }
.nav-login { font-size: 15px; font-weight: 500; color: #ECFEFF; transition: color .2s; }
.nav-login:hover { color: #FFFFFF; }
.btn-signup {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; border-radius: 8px;
  background: var(--cyan-bright); color: #FFFFFF;
  font-size: 15px; font-weight: 700;
  box-shadow: 0 4px 16px -2px rgba(6, 182, 212, .5);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-signup:hover {
  background: #22D3EE; transform: translateY(-1px);
  box-shadow: 0 8px 22px -2px rgba(6, 182, 212, .6);
}

/* ========== 2. 首屏 ========== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 68px 24px 72px;
  background: linear-gradient(135deg, #1E3A8A 0%, #1D4ED8 50%, #0891B2 100%);
  text-align: center;
}
.blob { position: absolute; border-radius: 50%; pointer-events: none; mix-blend-mode: overlay; }
.blob-a { width: 420px; height: 420px; left: -140px; top: 220px; background: rgba(34, 211, 238, .55); filter: blur(110px); }
.blob-b { width: 520px; height: 520px; right: -80px; top: -60px; background: rgba(64, 130, 255, .62); filter: blur(120px); }
.blob-c { width: 380px; height: 380px; right: 60px; bottom: -120px; background: rgba(97, 181, 250, .5); filter: blur(100px); }
.hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 26px; }

.hero-badge {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  flex-wrap: wrap; max-width: 100%;
  padding: 9px 18px; border-radius: 100px;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .32);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 14px; font-weight: 500; color: #FFFFFF;
}
.hero h1 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.38;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -.015em;
  max-width: 900px;
}
.hero-sub {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.8;
  color: var(--cyan-100);
  max-width: 820px;
}

.search {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; max-width: 660px; height: 58px;
  padding: 6px 6px 6px 20px;
  border-radius: 12px; background: #FFFFFF;
  box-shadow: 0 12px 32px -6px rgba(2, 33, 96, .28);
}
.search-left { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.search-left input {
  flex: 1; min-width: 0; border: 0; outline: none;
  font-size: 15px; color: var(--ink); background: transparent;
  font-family: inherit;
}
.search-left input::placeholder { color: var(--ink-400); }
.btn-search {
  flex: 0 0 auto;
  padding: 12px 26px; border-radius: 9px;
  background: var(--orange); color: #FFFFFF;
  font-size: 15px; font-weight: 700;
  transition: background .2s, transform .2s;
}
.btn-search:hover { background: #FB8C3A; transform: translateY(-1px); }

.cta-row { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 32px; border-radius: 9px;
  background: var(--orange); color: #FFFFFF;
  font-size: 17px; font-weight: 700;
  box-shadow: 0 10px 26px -4px rgba(249, 115, 22, .45);
  transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary:hover {
  background: #FB8C3A; transform: translateY(-2px);
  box-shadow: 0 16px 34px -6px rgba(249, 115, 22, .55);
}
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 30px; border-radius: 9px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .45);
  color: #FFFFFF; font-size: 17px; font-weight: 500;
  transition: background .2s, transform .2s;
}
.btn-ghost:hover { background: rgba(255, 255, 255, .22); transform: translateY(-2px); }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; width: 100%; margin-top: 26px;
}
.stat {
  padding: 22px 20px; border-radius: 14px; text-align: center;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.stat-num { font-size: 32px; font-weight: 700; color: var(--cyan-200); line-height: 1.25; }
.stat-label { margin-top: 4px; font-size: 13px; color: var(--cyan-100); }

.models {
  display: flex; flex-direction: column; align-items: center;
  gap: 20px; width: 100%; padding-top: 10px;
}
.models hr { width: 100%; height: 1px; border: 0; background: rgba(34, 211, 238, .3); margin: 0; }
.model-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 12px 36px; font-size: 15px;
}
.model-row .label { font-size: 14px; color: #A5F3FC; }
.model-row .model { font-weight: 500; color: #ECFEFF; }

/* ========== 通用区块 ========== */
.section { padding: 80px 24px; }
.section-head { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.section-head h2 {
  font-size: clamp(26px, 2.6vw, 36px); font-weight: 700; color: var(--navy);
  letter-spacing: -.01em; line-height: 1.35;
}
.section-head p { font-size: clamp(16px, 1.3vw, 19px); color: var(--blue); line-height: 1.6; }
.bg-soft { background: linear-gradient(135deg, #ECFEFF 0%, #EFF6FF 100%); }
.bg-fade { background: linear-gradient(135deg, #EFF6FF 0%, #FFFFFF 100%); }

/* ========== 3. 核心优势 ========== */
.feature-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  width: 100%; margin-top: 48px;
}
.feature-card {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 24px; border-radius: 14px;
  background: #FFFFFF; border: 1px solid var(--cyan-100);
  box-shadow: 0 6px 20px -6px rgba(6, 182, 212, .08);
  text-align: center;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-300);
  box-shadow: 0 18px 34px -12px rgba(6, 182, 212, .28);
}
.icon-round {
  display: flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--cyan-100); flex: 0 0 auto;
}
.feature-card h3 { font-size: 19px; font-weight: 600; color: #111827; }
.feature-card p { font-size: 15px; line-height: 1.72; color: #4B5563; }

/* ========== 4. 热门提示词 ========== */
.tabs {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 10px; margin-top: 40px;
}
.tab {
  padding: 9px 20px; border-radius: 100px;
  background: var(--surface-2); color: var(--ink-600);
  font-size: 14px; font-weight: 500;
  transition: background .2s, color .2s;
}
.tab:hover { background: #E2E8F0; color: var(--ink-700); }
.tab.is-active { background: var(--cyan); color: #FFFFFF; }
.tab.is-active:hover { background: var(--cyan); }

.prompt-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  width: 100%; margin-top: 32px;
}
.prompt-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 24px; border-radius: 16px;
  background: #FFFFFF; border: 1px solid var(--line);
  box-shadow: 0 8px 24px -8px rgba(15, 23, 42, .07);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.prompt-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan-300);
  box-shadow: 0 20px 36px -14px rgba(8, 145, 178, .3);
}
.prompt-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tag {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 5px 12px; border-radius: 6px;
  background: var(--cyan-50); color: var(--cyan);
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.prompt-model { font-size: 12px; color: var(--ink-400); white-space: nowrap; }
.prompt-card h3 { font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.5; }
.prompt-card p { font-size: 14px; line-height: 1.72; color: var(--ink-500); flex: 1; }
.prompt-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; }
.prompt-meta { font-size: 12px; color: var(--ink-400); }
.btn-copy {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 7px 14px; border-radius: 6px;
  background: var(--surface-2); color: var(--cyan);
  font-size: 12px; font-weight: 500; white-space: nowrap;
  transition: background .2s, color .2s;
}
.btn-copy:hover { background: var(--cyan); color: #FFFFFF; }
.more-row { display: flex; justify-content: center; margin-top: 40px; width: 100%; }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 9px;
  border: 1px solid var(--cyan); color: var(--cyan);
  font-size: 15px; font-weight: 500; background: transparent;
  transition: background .2s, color .2s, transform .2s;
}
.btn-outline:hover { background: var(--cyan); color: #FFFFFF; transform: translateY(-1px); }
.btn-outline:hover svg path { stroke: #FFFFFF; }

/* ========== 5. 订阅方案 ========== */
.price-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  width: 100%; margin-top: 48px; align-items: start;
}
.plan {
  display: flex; flex-direction: column; gap: 18px;
  padding: 32px 28px; border-radius: 20px;
  background: #FFFFFF; border: 1px solid var(--line-blue);
  box-shadow: 0 10px 28px -10px rgba(15, 23, 42, .05);
  transition: transform .25s, box-shadow .25s;
}
.plan:hover { transform: translateY(-3px); box-shadow: 0 20px 40px -16px rgba(15, 23, 42, .14); }
.plan.is-featured {
  border: 2px solid var(--cyan);
  box-shadow: 0 16px 40px -12px rgba(6, 182, 212, .22);
}
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.plan-name { font-size: 20px; font-weight: 600; color: var(--navy); }
.plan-flag {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 12px; border-radius: 100px;
  background: var(--surface-2); color: var(--ink-600);
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.plan.is-featured .plan-flag { background: var(--orange); color: #FFFFFF; }
.plan-flag.team { background: var(--cyan-50); color: var(--cyan); }
.plan-price { display: flex; align-items: baseline; gap: 6px; }
.plan-price strong { font-size: 44px; font-weight: 700; color: var(--cyan); line-height: 1; letter-spacing: -.02em; }
.plan-price span { font-size: 15px; color: var(--ink-500); }
.plan-desc { font-size: 15px; line-height: 1.7; color: #4B5563; }
.plan-div { height: 1px; background: var(--line); }
.plan-list { display: flex; flex-direction: column; gap: 10px; }
.plan-list li {
  position: relative; padding-left: 16px;
  font-size: 15px; line-height: 1.5; color: var(--ink-700);
}
.plan-list li::before {
  content: "·"; position: absolute; left: 2px; top: -.05em;
  color: var(--cyan); font-weight: 700;
}
.plan-list li.off { color: var(--ink-400); }
.plan-list li.off::before { color: var(--ink-400); }
.plan-btn {
  display: flex; align-items: center; justify-content: center;
  width: 100%; padding: 14px 0; border-radius: 9px;
  border: 1px solid var(--cyan); color: var(--cyan);
  font-size: 16px; font-weight: 600;
  transition: background .2s, color .2s, box-shadow .2s, transform .2s;
}
.plan-btn:hover { background: var(--cyan); color: #FFFFFF; }
.plan.is-featured .plan-btn {
  background: var(--orange); border-color: var(--orange); color: #FFFFFF;
  box-shadow: 0 8px 22px -6px rgba(249, 115, 22, .4);
}
.plan.is-featured .plan-btn:hover {
  background: #FB8C3A; border-color: #FB8C3A;
  box-shadow: 0 12px 28px -6px rgba(249, 115, 22, .5);
}

/* ========== 6. 用户反馈 ========== */
.review-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  width: 100%; margin-top: 48px;
}
.review-card {
  display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
  padding: 26px 24px; border-radius: 16px;
  background: #FFFFFF; border: 1px solid var(--line);
  box-shadow: 0 8px 24px -8px rgba(15, 23, 42, .06);
  transition: transform .25s, box-shadow .25s;
}
.review-card:hover { transform: translateY(-3px); box-shadow: 0 18px 34px -14px rgba(15, 23, 42, .16); }
.review-quote { font-size: 15px; line-height: 1.74; color: var(--ink-700); }
.review-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.review-user { display: flex; align-items: center; gap: 10px; min-width: 0; }
.avatar { width: 36px; height: 36px; border-radius: 50%; flex: 0 0 auto; }
.av-1 { background: linear-gradient(135deg, #22D3EE, #1D4ED8); }
.av-2 { background: linear-gradient(135deg, #6166F1, #06B6D4); }
.av-3 { background: linear-gradient(135deg, #A78BFA, #06B6D4); }
.av-4 { background: linear-gradient(135deg, #F97316, #FBBF24); }
.av-5 { background: linear-gradient(135deg, #34D399, #06B6D4); }
.av-6 { background: linear-gradient(135deg, #60A5FA, #1E3A8A); }
.review-name { font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.review-role { font-size: 12px; color: var(--ink-400); line-height: 1.4; }
.review-metric { text-align: right; flex: 0 0 auto; }
.review-metric strong { display: block; font-size: 18px; font-weight: 700; color: var(--orange); line-height: 1.3; }
.review-metric span { font-size: 11px; color: var(--ink-400); }

/* ========== 7. 合作团队 ========== */
.partners { display: flex; flex-direction: column; align-items: center; gap: 32px; width: 100%; }
.partners-note { font-size: 15px; font-weight: 500; color: var(--ink-500); text-align: center; }
.partner-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 24px 56px;
}
.partner-row span {
  font-size: 22px; font-weight: 600; color: var(--ink-400);
  transition: color .25s;
}
.partner-row span:hover { color: var(--cyan); }

/* ========== 8. 使用流程 ========== */
.step-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  width: 100%; margin-top: 48px; align-items: start;
}
.step-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 24px; border-radius: 14px;
  background: #FFFFFF; border: 1px solid var(--line-blue);
  box-shadow: 0 6px 20px -8px rgba(6, 182, 212, .07);
  transition: transform .25s, box-shadow .25s;
}
.step-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px -14px rgba(6, 182, 212, .26); }
.step-num {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, #22D3EE, #0891B2);
  color: #FFFFFF; font-size: 18px; font-weight: 700;
}
.step-card h3 { font-size: 18px; font-weight: 600; color: var(--navy); }
.step-card p { font-size: 14px; line-height: 1.72; color: #4B5563; }

/* ========== 9. 底部转化 ========== */
.cta-band {
  position: relative; overflow: hidden;
  padding: 76px 24px;
  background: linear-gradient(135deg, #1E3A8A 0%, #1D4ED8 55%, #0891B2 100%);
  text-align: center;
}
.cta-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
}
.cta-inner h2 {
  font-size: clamp(26px, 3vw, 40px); font-weight: 700; color: #FFFFFF;
  line-height: 1.4; letter-spacing: -.01em;
}
.cta-inner > p { font-size: clamp(16px, 1.3vw, 19px); line-height: 1.7; color: var(--cyan-100); }
.trust { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 36px; margin-top: 4px; }
.trust span { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--cyan-100); }

/* ========== 10. 页脚 ========== */
.footer { background: var(--ink); padding: 56px 24px 28px; }
.footer-inner { display: flex; flex-direction: column; gap: 36px; }
.footer-main {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 60px; flex-wrap: wrap;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; max-width: 360px; }
.footer-logo { font-size: 24px; font-weight: 700; color: var(--cyan-300); }
.footer-brand p { font-size: 14px; line-height: 1.86; color: var(--ink-400); }
.footer-cols { display: flex; gap: 72px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #E2E8F0; margin: 0 0 0; }
.footer-col a { font-size: 14px; color: var(--ink-400); transition: color .2s; }
.footer-col a:hover { color: var(--cyan-300); }
.footer-div { height: 1px; background: var(--ink-800); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--ink-500);
}
.footer-bottom a:hover { color: var(--cyan-300); }

/* ========== 11. 友情链接 ========== */
.friend-links {
  padding: 30px 24px 34px;
  background: #FFFFFF;
  border-top: 1px solid var(--line);
}
.friend-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px 24px; flex-wrap: wrap; margin-bottom: 14px;
}
.friend-head h2 {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600; color: var(--navy);
}
.friend-head h2::before {
  content: ""; width: 3px; height: 14px; border-radius: 2px;
  background: var(--cyan); flex: 0 0 auto;
}
.friend-head span { font-size: 13px; color: var(--ink-400); }
.friend-list { display: flex; flex-wrap: wrap; gap: 12px 28px; }
.friend-list a {
  font-size: 14px; line-height: 1.6; color: var(--ink-500);
  transition: color .2s;
}
.friend-list a:hover { color: var(--cyan); }

/* ========== 响应式 ========== */
@media (max-width: 1120px) {
  .nav-links { display: none; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .prompt-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .step-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 560px; margin-left: auto; margin-right: auto; }
  .footer-cols { gap: 48px; }
}
@media (max-width: 860px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .section { padding: 60px 20px; }
  .hero { padding: 52px 20px 56px; }
  .footer-main { gap: 40px; }
  .blob-a, .blob-c { display: none; }
}
@media (max-width: 620px) {
  .nav-inner { height: 62px; padding: 0 16px; gap: 12px; }
  .brand-sub { display: none; }
  .brand-logo { font-size: 21px; }
  .nav-right { gap: 14px; }
  .nav-login { display: none; }
  .btn-signup { padding: 9px 18px; font-size: 14px; }
  .feature-grid, .prompt-grid, .review-grid, .step-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat { padding: 18px 12px; }
  .stat-num { font-size: 26px; }
  .friend-links { padding: 24px 20px 28px; }
  .friend-list { gap: 10px 20px; }
  .friend-list a { font-size: 13px; }
  .search { height: 54px; padding-left: 16px; }
  .btn-search { padding: 11px 18px; }
  .cta-row { width: 100%; flex-direction: column; }
  .cta-row > a { width: 100%; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .partner-row span { font-size: 18px; }
  .footer-cols { gap: 32px 40px; }
  .footer { padding: 44px 20px 24px; }
  .cta-band { padding: 56px 20px; }
}