/* 多页共用：子页首屏、首页「看全部模块」链接、页尾两张去向卡、Agent 页调用链。 */
.section-more { display: inline-block; margin-top: 18px; color: var(--cobalt); font-weight: 680; }
.section-more:hover { text-decoration: underline; text-underline-offset: 4px; }

.page-hero { position: relative; overflow: hidden; color: var(--text); background: radial-gradient(circle at 82% 20%, rgb(25 82 232 / 22%), transparent 42%), radial-gradient(circle at 10% 100%, rgb(0 200 229 / 9%), transparent 36%), var(--navy-0); }
.page-hero::after { position: absolute; inset: 0; z-index: 0; content: ""; pointer-events: none; background-image: linear-gradient(rgb(145 165 194 / 7%) 1px, transparent 1px), linear-gradient(90deg, rgb(145 165 194 / 7%) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(180deg, #000, transparent 85%); }
.page-hero-in { position: relative; z-index: 1; padding-block: 112px 96px; }
.page-hero h1 { max-width: 900px; font-size: clamp(2.5rem, 5.4vw, 4.75rem); letter-spacing: -0.05em; }
.page-lead { max-width: 680px; margin: 26px 0 0; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.14rem); }
.page-hero .hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 0; }

.agent-chain { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; margin: 64px 0 0; padding: 0; list-style: none; }
.agent-chain li { position: relative; padding: 16px 16px 0 0; border-top: 1px solid rgb(145 165 194 / 28%); color: var(--text); font-weight: 650; }
.agent-chain li::before { position: absolute; top: -5px; left: 0; width: 9px; height: 9px; border-radius: 50%; content: ""; background: var(--cyan); box-shadow: 0 0 0 4px rgb(0 200 229 / 14%); }
.agent-chain li:last-child::before { background: var(--human); box-shadow: 0 0 0 4px rgb(143 167 255 / 16%); }
.agent-chain span { display: block; margin-bottom: 4px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.7rem; }
.agent-chain::after { content: none; }
@media (prefers-reduced-motion: no-preference) {
  html.js .agent-chain li { animation: chain-in 700ms cubic-bezier(0.22, 1, 0.36, 1) both; animation-delay: calc(var(--n, 0) * 110ms + 200ms); }
  .agent-chain li:nth-child(2) { --n: 1; }
  .agent-chain li:nth-child(3) { --n: 2; }
  .agent-chain li:nth-child(4) { --n: 3; }
  .agent-chain li:nth-child(5) { --n: 4; }
}
@keyframes chain-in { from { opacity: 0; transform: translate3d(-14px, 0, 0); } to { opacity: 1; transform: none; } }

.next { color: var(--ink); background: var(--ice); }
.next :focus-visible { outline-color: var(--cobalt); }
.next .eyebrow { color: var(--cobalt); }
.next-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 0; padding: 0; list-style: none; }
.next-card { position: relative; display: flex; flex-direction: column; gap: 10px; height: 100%; min-height: 240px; padding: 32px; overflow: hidden; border: 1px solid #D4E0EF; border-radius: 20px; background: var(--paper); transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease; }
.next-card::before { position: absolute; top: -40%; right: -20%; width: 60%; aspect-ratio: 1; border-radius: 50%; content: ""; background: radial-gradient(circle, rgb(25 82 232 / 14%), transparent 70%); transition: transform 300ms ease; }
.next-card:hover { border-color: var(--cobalt); box-shadow: 0 20px 50px rgb(25 82 232 / 12%); transform: translateY(-3px); }
.next-card:hover::before { transform: scale(1.3); }
.next-card-agent { border-color: #1C3A61; color: var(--text); background: var(--navy-1); }
.next-card-agent::before { background: radial-gradient(circle, rgb(0 200 229 / 18%), transparent 70%); }
.next-card-agent:hover { border-color: var(--cyan); }
.next-k { color: var(--cobalt); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; }
.next-card-agent .next-k { color: var(--cyan); }
.next-card strong { font-size: 1.6rem; letter-spacing: -0.03em; }
.next-card > span:not(.next-k):not(.next-go) { max-width: 460px; color: #4A5D78; }
.next-card-agent > span:not(.next-k):not(.next-go) { color: var(--muted); }
.next-go { margin-top: auto; font-size: 1.5rem; transition: transform 180ms ease; }
.next-card:hover .next-go { transform: translateX(6px); }

@media (max-width: 960px) {
  .page-hero-in { padding-block: 80px 72px; }
  .agent-chain { grid-template-columns: 1fr; gap: 0; margin-top: 44px; border-left: 1px solid rgb(145 165 194 / 28%); }
  .agent-chain li { padding: 0 0 18px 22px; border-top: 0; }
  .agent-chain li::before { top: 6px; left: -5px; }
}
@media (max-width: 720px) {
  .next-cards { grid-template-columns: 1fr; }
  .next-card { min-height: 0; padding: 26px; }
}
@media (max-width: 520px) {
  .page-hero-in { padding-block: 60px 56px; }
  .page-hero .hero-cta .btn { flex: 1 1 150px; }
}