/* AIWEAPP 官网响应式适配与减少动态效果设置。 */
@media (max-width: 1120px) {
    .hero { min-height: auto; padding-bottom: 100px; }
    .hero__layout { grid-template-columns: 1fr; }
    .hero__copy { max-width: 780px; padding-bottom: 0; }
    .hero-console { width: 100%; max-width: 760px; margin-inline: auto; }
    .capability-grid { grid-template-columns: repeat(2, 1fr); }
    .platform__layout { grid-template-columns: 1fr; }
    .platform__copy { max-width: 720px; }
    .architecture { width: 100%; max-width: 820px; margin-inline: auto; }
    .solution-panel { grid-template-columns: 1fr; }
    .solution-panel__visual { min-height: 320px; }
}

@media (max-width: 860px) {
    :root { --shell: min(100% - 32px, 720px); }
    .section { padding: 92px 0; }
    .section-heading { grid-template-columns: 1fr; gap: 24px; margin-bottom: 46px; }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        right: 16px;
        left: 16px;
        display: none;
        padding: 16px;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        border: 1px solid var(--line-strong);
        background: rgba(5, 9, 14, 0.97);
        box-shadow: var(--shadow);
    }

    .site-nav.is-open { display: flex; }
    .site-nav > a { padding: 15px 12px; border-bottom: 1px solid var(--line); }
    .site-nav__cta { margin-top: 8px; border: 1px solid rgba(94, 231, 216, 0.5) !important; text-align: center; }
    .nav-toggle { display: block; }
    .nav-toggle.is-open span:nth-of-type(2) { transform: translateY(3px) rotate(45deg); }
    .nav-toggle.is-open span:nth-of-type(3) { transform: translateY(-3px) rotate(-45deg); }

    .hero { padding-top: calc(var(--header-height) + 58px); }
    .hero__title { font-size: clamp(46px, 9vw, 70px); }
    .solution-switcher { grid-template-columns: 1fr; }
    .solution-tabs { display: grid; grid-template-columns: repeat(4, 1fr); border-right: 0; border-bottom: 1px solid var(--line); }
    .solution-tabs button { min-height: 76px; padding: 13px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; border-right: 1px solid var(--line); border-bottom: 0; font-size: 12px; }
    .solution-tabs button::after { top: auto; right: 0; bottom: -1px; left: 0; width: auto; height: 2px; }
    .solution-panel { padding: 45px 34px; }
    .delivery-steps { grid-template-columns: repeat(2, 1fr); }
    .scene-list { grid-template-columns: 1fr; }
    .scene-card { min-height: 280px; }
    .scene-card h3 { margin-top: 62px; }
    .scenes__header { display: block; }
    .scenes__header .eyebrow { margin-right: 0; }
    .contact__inner { grid-template-columns: 1fr; gap: 50px; }
    .site-footer__links { gap: 44px; }
}

@media (max-width: 620px) {
    :root { --shell: calc(100% - 28px); --header-height: 68px; }
    .brand__text small { display: none; }
    .hero__title { font-size: clamp(40px, 12vw, 58px); line-height: 1.12; }
    .hero__lead { font-size: 15px; }
    .hero__actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; justify-content: space-between; }
    .hero__proof { margin-top: 42px; }
    .hero__proof > div { padding-right: 8px; }
    .hero__proof > div + div { padding-left: 10px; }
    .hero__proof strong { font-size: 22px; }
    .hero__proof span { font-size: 9px; }

    .hero-console { min-height: 520px; }
    .console-status { display: none; }
    .hero-console__body { min-height: 468px; grid-template-columns: 38px 1fr; }
    .console-main { padding: 18px 12px 22px; }
    .console-main__heading > span { display: none; }
    .console-kpis { gap: 6px; }
    .console-kpis article { height: 66px; padding: 9px 7px; }
    .console-kpis article > strong { font-size: 10px; }
    .engine-map { height: 260px; grid-template-columns: 74px 1fr; }
    .engine-map__sources { padding-inline: 7px; }
    .engine-map__sources span { font-size: 7px; }
    .core-rings { transform: scale(0.78); }
    .engine-node { min-width: 44px; padding: 4px; font-size: 6px; }
    .console-stream { gap: 6px; }
    .console-stream span { font-size: 5px; }

    .capability-grid { grid-template-columns: 1fr; }
    .capability-card--wide { grid-column: auto; }
    .capability-card--tall { grid-row: auto; min-height: 520px; }
    .capability-card__icon--builder { top: 26px; right: 18px; transform: scale(0.72); transform-origin: top right; }
    .solution-tabs { grid-template-columns: repeat(2, 1fr); }
    .solution-tabs button { border-bottom: 1px solid var(--line); }
    .solution-panel { padding: 36px 20px; }
    .solution-panel__copy ul { grid-template-columns: 1fr; }
    .solution-panel__visual { min-height: 270px; }
    .flow-node { width: 72px; height: 105px; }
    .flow-node.is-core { height: 128px; }
    .flow-link { width: 17px; }
    .member-map__node--one, .member-map__node--four { left: 12px; }
    .member-map__node--two, .member-map__node--three { right: 12px; }
    .innovation-stack { padding: 26px 12px; }
    .innovation-stack div { padding-inline: 12px; }

    .architecture { min-height: 530px; padding: 36px 14px 22px; }
    .architecture__label { margin-bottom: 26px; }
    .architecture__layer { min-height: 92px; padding: 14px 10px 14px 42px; grid-template-columns: repeat(2, 1fr); gap: 7px; }
    .architecture__layer > b { width: 31px; }
    .architecture__bridge { height: 34px; }
    .architecture__base { padding: 12px 10px; flex-wrap: wrap; gap: 10px 18px; }
    .delivery-steps { grid-template-columns: 1fr; }
    .delivery-steps li { min-height: 260px; }
    .delivery-steps li > span { margin-top: 36px; }
    .contact__action { padding: 28px 0 0; border-top: 1px solid rgba(94, 231, 216, 0.25); border-left: 0; }
    .site-footer__inner { align-items: flex-start; flex-direction: column; gap: 42px; }
    .site-footer__links { width: 100%; justify-content: space-between; }
    .site-footer__bottom { align-items: flex-start; flex-direction: column; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
    .is-js .reveal { opacity: 1; transform: none; }
}