/* 站点响应式与新版页面样式 — 配色见 tokens.css */

/* 超宽屏：内容居中，避免两侧留白过大 */
@media (min-width: 1600px) {
  .container {
    max-width: var(--container-wide);
  }
}

/* ========== Header 移动端 ========== */
@media (min-width: 1025px) {
  .header-actions--mobile,
  .header-nav-backdrop {
    display: none !important;
  }
}

@media (max-width: 1024px) {
  .header {
    position: sticky;
    top: 0;
    z-index: 1100;
    height: auto;
  }

  /* 折叠时 nav 不占 header 行内空间 */
  .header-inner .nav:not(.nav--open) {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
  }

  .header--menu-open {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  }

  .header-actions {
    display: none;
  }

  .header-menu-toggle {
    display: flex;
    position: relative;
    z-index: 1102;
    margin-left: auto;
  }

  .header-inner {
    flex-wrap: nowrap;
    position: relative;
    height: 80px;
    min-height: 80px;
  }

  .header-nav-backdrop {
    position: fixed;
    inset: 0;
    top: 80px;
    z-index: 1098;
    background: rgba(26, 53, 104, 0.5);
  }

  .nav {
    display: none;
  }

  .nav.nav--open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: fixed;
    left: 0;
    right: 0;
    top: 80px;
    z-index: 1101;
    max-height: calc(100vh - 80px);
    max-height: calc(100dvh - 80px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 4px 0 20px;
    background: var(--color-bg);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    border-top: 3px solid var(--color-primary);
  }

  .nav-item {
    margin: 0;
    padding: 0;
  }

  .nav-item__title {
    display: block;
    height: auto;
    line-height: 1.4;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-item.active .nav-item__title::after,
  .nav-item:hover .nav-item__title::after {
    display: none;
  }

  .nav-item.active .nav-item__title {
    color: var(--color-primary);
    font-weight: 600;
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    padding-left: 16px;
  }

  .header-actions--mobile {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px 8px;
    margin-top: 4px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-subtle);
  }

  .header-actions--mobile .e-btn {
    width: 100%;
    text-align: center;
  }

  .sidebar {
    z-index: 100;
    right: 8px;
    bottom: 16px;
    top: auto;
    transform: none;
  }

  .sidebar-list__item > p {
    display: none;
  }

  .sidebar-list__item {
    width: 48px;
    height: 48px;
  }

  .sidebar_icon_img {
    width: 28px;
    height: 28px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 20px;
  }

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

  .footer-col--qrcode {
    text-align: center;
  }

  .footer-col--brand {
    text-align: center;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .footer .record p {
    font-size: 12px;
    line-height: 1.6;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    gap: 16px 12px;
  }

  .footer-link__title {
    font-size: 15px;
  }

  .footer-link__item,
  .footer-col p {
    font-size: 13px;
  }
}

/* legacy 页面：取消 min-width 硬限制 */
@media (max-width: 1024px) {
  .header,
  .footer,
  .list-banner {
    min-width: 0 !important;
  }

  .list-banner .banner-item__container {
    width: 90%;
    max-width: 1160px;
  }

  .list-banner .banner-item__title {
    width: 100%;
    font-size: 28px;
  }

  .list-banner .banner-item__desc {
    width: 100%;
    font-size: 16px;
  }
}

/* ========== 首页 Hero ========== */
.home-hero {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
}

.home-hero__bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.home-hero__inner {
  position: relative;
  z-index: 1;
  padding: 64px 0;
}

.home-hero__content {
  max-width: 720px;
}

.home-hero__title {
  margin: 0 0 16px;
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  max-width: 16em;
}

.home-hero__desc {
  margin: 0 0 32px;
  font-size: clamp(15px, 2.5vw, 20px);
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.65;
  max-width: 28em;
}

.home-hero__actions {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  max-width: 100%;
}

.home-hero__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  min-width: 0;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
  white-space: nowrap;
  text-align: center;
}

.home-hero__btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.home-hero__btn--primary {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.home-hero__btn--primary:hover {
  background: var(--color-secondary-hover);
}

.home-hero__btn--secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.home-hero__btn--secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

@media (min-width: 769px) {
  .home-hero__actions {
    max-width: 460px;
  }

  .home-hero__btn {
    flex: 0 1 auto;
    min-width: 118px;
    padding: 14px 22px;
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  .home-hero {
    min-height: 320px;
  }

  .home-hero__inner {
    padding: 28px 0 36px;
  }

  .home-hero__content {
    max-width: 92%;
  }

  .home-hero__title {
    max-width: 12em;
    font-size: 22px;
    line-height: 1.35;
    margin-bottom: 10px;
  }

  .home-hero__desc {
    max-width: 26em;
    font-size: 13px;
    line-height: 1.75;
    margin-bottom: 18px;
  }

  .home-hero__actions {
    gap: 6px;
    width: 100%;
    max-width: 100%;
  }

  .home-hero__btn {
    padding: 10px 6px;
    font-size: 12px;
  }

  .home-cta .home-hero__actions {
    max-width: 320px;
    margin: 0 auto;
  }
}

@media (max-width: 360px) {
  .home-hero__btn {
    font-size: 11px;
    padding: 9px 4px;
  }
}

/* ========== 首页区块通用 ========== */
.home-section {
  padding: 56px 0;
}

.home-section--alt {
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-secondary-light) 100%);
}

.home-section__title {
  margin: 0 0 8px;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

.home-section__subtitle {
  margin: 0 0 40px;
  font-size: 16px;
  color: var(--color-text-muted);
  text-align: center;
}

/* 产品卡片 */
.home-products {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) {
  .home-products {
    grid-template-columns: 1fr;
  }
}

.home-product-card {
  padding: 28px 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
}

.home-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.home-product-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  border-radius: 8px;
  object-fit: cover;
}

.home-product-card__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.home-product-card__desc {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.home-product-card__link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

/* 核心卖点 */
.home-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

@media (max-width: 1024px) {
  .home-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .home-features {
    grid-template-columns: 1fr;
  }
}

.home-feature {
  padding: 24px 20px;
  text-align: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
}

.home-feature__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary);
}

.home-feature__desc {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* 场景标签 */
.home-scenarios {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.home-scenario-tag {
  padding: 10px 20px;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
}

/* 资讯条 */
.home-news {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 900px) {
  .home-news {
    grid-template-columns: 1fr;
  }
}

.home-news-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}

.home-news-item:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.home-news-item__thumb {
  width: 84px;
  height: 84px;
  flex-shrink: 0;
  border-radius: 6px;
  object-fit: cover;
}

.home-news-item__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.home-news-item__desc {
  margin: 0;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* CTA */
.home-cta {
  padding: 48px 24px;
  text-align: center;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  color: #fff;
}

.home-cta__title {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 600;
}

.home-cta__desc {
  margin: 0 0 24px;
  opacity: 0.9;
}

/* ========== /trial 试用与咨询页 ========== */
.trial-page {
  padding: 48px 0 64px;
}

.trial-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 48px;
}

@media (max-width: 640px) {
  .trial-cards {
    grid-template-columns: 1fr;
  }
}

.trial-card {
  padding: 32px 28px;
  text-align: center;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.trial-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(40, 78, 157, 0.1);
}

.trial-card__icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.trial-card__title {
  margin: 0 0 12px;
  font-size: 22px;
  font-weight: 600;
}

.trial-card__desc {
  margin: 0 0 24px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.trial-contact-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px 48px;
  padding: 24px;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  font-size: 15px;
}

.trial-contact-bar a {
  color: var(--color-primary);
  font-weight: 500;
}

/* ========== 价格页档位（稳妥专业 · 同色系深浅） ========== */
.price-tier-premium,
.price-tier-premium h1,
.price-tier-premium p,
.price-tier-premium .price-tier-price {
  color: var(--color-tier-premium);
}

.price-tier-premium .price-tier-hr {
  background-color: var(--color-tier-premium);
  border: none;
  height: 1px;
}

.price-tier-enterprise .price-tier-bar {
  background-color: var(--color-tier-enterprise);
}

.price-tier-premium .price-tier-bar {
  background-color: var(--color-tier-premium);
}

.price-tier-premium .nuwa-chat-btn,
.price-tier-premium .price-tier-btn {
  background-color: var(--color-tier-premium);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  cursor: pointer;
}

.price-tier-enterprise,
.price-tier-enterprise h1,
.price-tier-enterprise p,
.price-tier-enterprise .price-tier-price {
  color: var(--color-tier-enterprise);
}

.price-tier-enterprise .price-tier-hr {
  background-color: var(--color-tier-enterprise);
  border: none;
  height: 1px;
}

.price-tier-enterprise .price-tier-bar {
  background-color: var(--color-tier-enterprise);
}

.price-tier-enterprise .nuwa-chat-btn,
.price-tier-enterprise .price-tier-btn {
  background-color: var(--color-tier-enterprise);
  color: var(--color-text-inverse);
  border: none;
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  cursor: pointer;
}

/* Legacy 页面：覆盖内联教培色与 Tailwind 主色类 */
.bg-primary {
  background-color: var(--color-primary) !important;
}

.text-primary {
  color: var(--color-primary) !important;
}

.border-primary {
  border-color: var(--color-primary) !important;
}

.hover\:text-primary:hover {
  color: var(--color-primary) !important;
}

.hover\:bg-primary:hover {
  background-color: var(--color-primary) !important;
}

.hover\:border-primary:hover {
  border-color: var(--color-primary) !important;
}

.bg-green-6,
.hover\:bg-green-6:hover {
  background-color: var(--color-secondary) !important;
}