/* ==========================================================================
   responsive.css — 响应式与可访问性
   ========================================================================== */

@media (max-width: 1180px) {
  .nav a {
    padding-inline: 10px;
  }

  .demo-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 40px;
  }

  .console__body {
    grid-template-columns: 128px minmax(0, 1fr);
  }

  .arch-layer {
    width: calc(76% + var(--i, 0) * 4.4%);
  }

  .arch-layer__tags {
    max-width: 150px;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-card {
    min-height: 300px;
  }
}

@media (max-width: 1020px) {
  .nav,
  .header__actions .btn--ghost {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 46px);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 8px;
    padding-bottom: 10px;
  }

  .hero__copy {
    max-width: 760px;
  }

  .hero__visual {
    min-height: 460px;
    margin-top: -10px;
  }

  .core {
    width: min(100%, 520px);
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
  }

  .hero__stats li {
    padding: 16px 0 16px 22px;
  }

  .hero__stats li:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .hero__stats li:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }

  .section-head--split {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .section-head--split p {
    padding-bottom: 0;
  }

  .shift {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .shift__arrow {
    height: 40px;
    transform: rotate(90deg);
  }

  .bento__card--7,
  .bento__card--5,
  .bento__card--4,
  .bento__card--3 {
    grid-column: span 6;
  }

  .bento__card--tall {
    min-height: 340px;
  }

  .demo-layout {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .demo-copy {
    max-width: 720px;
  }

  .demo-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: none;
  }

  .demo-tabs::-webkit-scrollbar {
    display: none;
  }

  .demo-tab {
    flex-shrink: 0;
    display: flex;
    grid-template-columns: none;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-radius: 99px;
  }

  .demo-tab small,
  .demo-tab svg {
    display: none;
  }

  .demo-tab span {
    font-size: 8px;
  }

  .demo-tab.is-active {
    padding-left: 16px;
    border-color: rgba(67, 232, 208, 0.25);
    background: rgba(67, 232, 208, 0.07);
  }

  .demo-tab.is-active::before {
    display: none;
  }

  .console__body {
    min-height: 430px;
  }

  .arch-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .arch-head p {
    max-width: 620px;
  }

  .arch-layout {
    grid-template-columns: 1fr;
  }

  .arch-stack {
    transform: none;
  }

  .arch-layer {
    width: 100%;
  }

  .arch-detail {
    position: relative;
    top: auto;
    min-height: auto;
  }

  .security-layout {
    grid-template-columns: 1fr;
  }

  .shield {
    width: min(100%, 420px);
    margin-top: 20px;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics li:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }

  .metrics li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .solution-pane.is-active {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .solution-visual {
    min-height: 340px;
  }

  .page-hero__inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 30px;
  }

  .page-hero__meta {
    max-width: 480px;
  }

  .product-intro {
    grid-template-columns: 1fr;
  }

  .assets {
    grid-template-columns: 1fr 1fr;
  }

  .asset {
    min-height: 280px;
  }

  .steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .step::after {
    display: none;
  }

  .module-grid {
    grid-template-columns: 1fr 1fr;
  }

  .industry__head {
    grid-template-columns: auto 1fr;
  }

  .industry__head p {
    grid-column: 2;
    padding-top: 0;
  }

  .industry__grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-row {
    grid-template-columns: 54px 1fr;
  }

  .service-row__list {
    grid-column: 2;
  }

  .process {
    grid-template-columns: repeat(3, 1fr);
  }

  .process::before {
    display: none;
  }

  .process__item::before {
    display: none;
  }

  .guarantees {
    grid-template-columns: 1fr 1fr;
  }

  .about-intro {
    grid-template-columns: 1fr;
  }

  .about-facts {
    max-width: 640px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    max-width: 760px;
  }

  .contact-cards {
    grid-template-columns: 1fr 1fr;
  }

  .split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .container,
  .container--narrow {
    width: min(100% - 32px, var(--container));
  }

  .section {
    padding: 68px 0;
  }

  .hero__title {
    font-size: clamp(42px, 12vw, 64px);
  }

  .hero__actions {
    gap: 10px;
  }

  .hero__actions .btn {
    flex: 1;
    min-width: 150px;
  }

  .hero__visual {
    min-height: 400px;
  }

  .core__label {
    padding: 7px 10px;
  }

  .core__label small {
    display: none;
  }

  .core__label b {
    font-size: 9px;
  }

  .core__label::before {
    display: none;
  }

  .core__badge {
    bottom: 1%;
  }

  .ecosystem {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
  }

  .ecosystem__label {
    padding-left: 24px;
  }

  .marquee {
    width: 100%;
  }

  .bento__card--7,
  .bento__card--5,
  .bento__card--4,
  .bento__card--3 {
    grid-column: 1 / -1;
  }

  .bento__card {
    min-height: 280px;
  }

  .console {
    border-radius: 14px;
  }

  .console__body {
    grid-template-columns: 1fr;
    min-height: 450px;
  }

  .console__side {
    display: none;
  }

  .console__main {
    padding: 16px 14px 14px;
  }

  .console__url {
    display: none;
  }

  .chat-user {
    max-width: 92%;
  }

  .console__live {
    margin-left: auto;
  }

  .arch-layer {
    grid-template-columns: 28px 1fr;
    padding: 14px;
  }

  .arch-layer__tags {
    display: none;
  }

  .arch-detail {
    padding: 24px;
  }

  .security-list {
    grid-template-columns: 1fr;
  }

  .shield {
    width: min(100%, 340px);
  }

  .shield__chip {
    font-size: 8px;
    padding: 6px 9px;
  }

  .metrics {
    grid-template-columns: 1fr 1fr;
  }

  .metrics li {
    padding: 24px 14px;
  }

  .metrics b {
    font-size: 38px;
  }

  .cta-panel {
    border-radius: 24px;
  }

  .cta-panel__actions .btn {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-col {
    min-width: 0;
  }

  .footer-word {
    font-size: 78px;
  }

  .page-hero {
    padding-top: calc(var(--header-h) + 56px);
  }

  .page-hero__meta {
    display: none;
  }

  .assets {
    grid-template-columns: 1fr;
  }

  .asset {
    min-height: 250px;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .module-grid {
    grid-template-columns: 1fr;
  }

  .deploy-grid {
    grid-template-columns: 1fr;
  }

  .deploy {
    padding: 26px;
  }

  .solution-switch {
    width: 100%;
  }

  .solution-switch button {
    flex: 1;
    justify-content: center;
    padding-inline: 10px;
  }

  .solution-points {
    grid-template-columns: 1fr;
  }

  .solution-visual {
    min-height: 300px;
  }

  .solution-tag--b,
  .solution-tag--c {
    display: none;
  }

  .industry-nav {
    width: calc(100% - 32px);
    overflow-x: auto;
    justify-content: flex-start;
    top: calc(var(--header-h) + 4px);
  }

  .industry-nav a {
    flex-shrink: 0;
    padding: 8px 15px;
  }

  .industry__head {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .industry__no {
    font-size: 58px;
  }

  .industry__head p {
    grid-column: 1;
  }

  .industry__grid {
    grid-template-columns: 1fr;
  }

  .industry__foot {
    align-items: flex-start;
  }

  .industry__metrics {
    gap: 18px 26px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    min-height: 270px;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .service-row__no {
    font-size: 34px;
  }

  .service-row__list {
    grid-column: 1;
  }

  .process {
    grid-template-columns: 1fr 1fr;
  }

  .guarantees {
    grid-template-columns: 1fr;
  }

  .values {
    grid-template-columns: 1fr;
  }

  .value h3 {
    margin-top: 30px;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .contact-cards {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-foot {
    align-items: flex-start;
  }

  .form-foot .btn {
    width: 100%;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .hero__sub-company {
    display: none;
  }

  .hero__sub br {
    display: none;
  }

  .hero__sub-lead,
  .hero__sub-detail {
    display: block;
  }

  .hero__sub-detail {
    text-wrap: balance;
  }

  .brand__text small {
    display: none;
  }

  .brand__text strong {
    font-size: 15px;
  }

  .header__actions .btn--primary {
    display: none;
  }

  .hero {
    padding-top: calc(var(--header-h) + 34px);
  }

  .hero__eyebrow {
    font-size: 11px;
  }

  .hero__tags {
    gap: 7px 13px;
    font-size: 10.5px;
  }

  .hero__stats b {
    font-size: 25px;
  }

  .hero__stats span {
    font-size: 10.5px;
  }

  .hero__visual {
    min-height: 330px;
  }

  .core__label {
    display: none;
  }

  .core__badge {
    font-size: 10px;
  }

  .section-head h2 {
    font-size: 31px;
  }

  .shift__panel {
    padding: 24px 20px;
  }

  .console__top .console__title {
    font-size: 12px;
  }

  .chat-ai {
    max-width: 100%;
  }

  .arch-layer__title b {
    font-size: 13px;
  }

  .metrics b {
    font-size: 32px;
  }

  .metrics span {
    font-size: 11px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .page-hero h1 {
    font-size: 38px;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .step::before {
    margin-bottom: 22px;
  }

  .process {
    grid-template-columns: 1fr;
  }

  .industry-nav a small {
    display: none;
  }

  .cta-panel__note {
    line-height: 1.8;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero__title .line > span {
    transform: none;
  }

  .grain {
    display: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .grain,
  .cursor,
  .cursor-dot,
  .scroll-progress,
  .mobile-nav,
  .hero__aurora,
  .page-hero__aurora,
  .cta-section,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .section,
  .page-hero {
    padding: 24px 0;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}