/* ========================================
   馥云涧 - 响应式样式
   Nature Distilled 风格 | 温润大地色调
   ======================================== */

/* ========================================
   大屏幕 (1200px - 1440px)
   ======================================== */

@media (max-width: 1440px) {
  :root {
    --container-width: 1140px;
  }
}

/* ========================================
   中等屏幕 (992px - 1199px)
   ======================================== */

@media (max-width: 1199px) {
  :root {
    --container-width: 960px;
  }

  /* 尾部 - 优化版 */
  .footer-content {
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 40px;
  }

  .footer-brand {
    grid-column: span 3;
    text-align: center;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(248, 246, 243, 0.1);
  }

  .footer-brand::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-brand .footer-slogan::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-logo {
    justify-content: center;
  }

  /* 品牌故事 */
  .brand-trinity {
    gap: var(--spacing-lg);
  }

  /* 产品展示 */
  .products-showcase {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }

  /* 四季茶韵 */
  .seasons-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
  }

  /* 品质承诺 */
  .promise-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
  }

  /* 关于我们 */
  .about-image img {
    height: 400px;
  }

  /* 知识网格 */
  .knowledge-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========================================
   平板 (768px - 991px)
   ======================================== */

@media (max-width: 991px) {
  :root {
    --container-width: 720px;
  }

  /* 头部导航 */
  .header-nav {
    display: none;
  }

  .header-menu-btn {
    display: flex;
  }

  /* Hero */
  .hero-title {
    letter-spacing: 10px;
  }

  /* 品牌故事 */
  .brand-trinity {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
  }

  .brand-card {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .card-icon {
    width: 60px;
    height: 60px;
  }

  .icon-char {
    font-size: 28px;
  }

  /* 产品展示 */
  .products-showcase {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  /* 四季茶韵 */
  .seasons-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  /* 品质承诺 */
  .promise-panel {
    padding: var(--spacing-xl);
  }

  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }

  /* 关于我们 */
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .about-story {
    order: 2;
  }

  .about-visual {
    order: 1;
  }

  .about-story .chapter-label,
  .about-story .chapter-title {
    text-align: center;
  }

  .divider-accent {
    margin: var(--spacing-lg) auto;
  }

  .about-desc {
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }

  .about-image img {
    height: 350px;
  }

  /* 知识网格 */
  .knowledge-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  /* 尾部 - 优化版 */
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 32px;
  }

  .footer-brand {
    grid-column: span 2;
    text-align: center;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(248, 246, 243, 0.1);
  }

  .footer-brand::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-brand .footer-slogan::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-column {
    text-align: center;
  }

  .footer-column-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-contact-item {
    justify-content: center;
  }

  .footer-qr {
    align-items: center;
  }

  .footer-bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    justify-content: center;
  }

  /* Banner */
  .banner,
  .page-banner,
  .page-banner.swiper-container {
    margin-top: 78px;
    height: 320px;
  }

  .swiper-button-prev,
  .swiper-button-next {
    width: 36px;
    height: 36px;
  }

  .swiper-button-prev::after,
  .swiper-button-next::after {
    font-size: 14px;
  }
}

/* ========================================
   手机 (576px - 767px)
   ======================================== */

@media (max-width: 767px) {
  :root {
    --container-width: 100%;
    --container-padding: 16px;
  }

  /* 修复：首页 about 板块 data-animate 导致 header 滑动 */
  .home-story-grid [data-animate] {
    opacity: 1 !important;
    transform: none !important;
  }

  /* 移动端分页精简：隐藏首页/尾页 */
  .pagination-item:first-child,
  .pagination-item:last-child {
    display: none;
  }

  .pagination {
    gap: 6px;
  }

  .pagination-item {
    min-width: 36px;
    height: 36px;
    padding: 4px 10px;
    font-size: 13px;
  }

  .pagination-info {
    font-size: 13px;
    margin: 0 6px;
  }

  /* 尾部 - 优化版 */
  .header {
    top: 0;
    height: 78px;
    z-index: 10000;
    transform: translate3d(0, 0, 0);
    backface-visibility: hidden;
  }

  .header-inner {
    height: 78px;
  }

  .header-logo img {
    height: 42px;
  }

  .header-logo-text {
    font-size: 18px;
    letter-spacing: 0.12em;
  }

  /* Hero */
  .hero {
    min-height: 500px;
  }

  .hero-subtitle {
    font-size: 12px;
    letter-spacing: 4px;
  }

  .hero-tagline {
    font-size: 14px;
    letter-spacing: 2px;
  }

  .hero-scroll-hint {
    bottom: var(--spacing-lg);
  }

  /* 章节 */
  .chapter {
    padding: var(--spacing-2xl) 0;
  }

  .chapter-title {
    font-size: 24px;
    letter-spacing: 2px;
  }

  .chapter-desc {
    font-size: 14px;
  }

  /* 品牌故事 */
  .brand-trinity {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .brand-card {
    padding: var(--spacing-lg);
  }

  .brand-philosophy p {
    font-size: 16px;
    letter-spacing: 2px;
  }

  /* 产品展示 */
  .products-showcase {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .tea-card__info {
    padding: var(--spacing-md);
  }

  .tea-card__name {
    font-size: 16px;
  }

  .tea-card__origin {
    display: none;
  }

  /* 四季茶韵 */
  .seasons-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .season-card {
    padding: var(--spacing-lg);
  }

  .season-card__char {
    font-size: 36px;
  }

  .season-card__title {
    font-size: 16px;
  }

  .season-card__desc {
    font-size: 13px;
  }

  .tea-quote {
    padding: var(--spacing-lg);
  }

  .quote-text {
    font-size: 18px;
    letter-spacing: 2px;
  }

  /* 品质承诺 */
  .promise-panel {
    padding: var(--spacing-lg);
  }

  .promise-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .promise-num {
    font-size: 28px;
  }

  .promise-name {
    font-size: 16px;
  }

  /* 关于我们 */
  .about-stats {
    gap: var(--spacing-md);
  }

  .stat-item {
    padding: var(--spacing-sm);
  }

  .stat-value {
    font-size: 20px;
  }

  .stat-label {
    font-size: 12px;
  }

  .about-image img {
    height: 280px;
  }

  .about-caption {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 13px;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
  }

  /* 知识网格 */
  .knowledge-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
  }

  .knowledge-card__content {
    padding: var(--spacing-md);
  }

  .knowledge-card__title {
    font-size: 15px;
  }

  .knowledge-card__desc {
    display: none;
  }

  /* 尾部 - 优化版 */
  .footer-main {
    padding: 56px var(--container-padding) 40px;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: span 1;
    text-align: center;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(248, 246, 243, 0.1);
  }

  .footer-brand::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-logo {
    justify-content: center;
  }

  .footer-logo img {
    height: 40px;
  }

  .footer-logo-text {
    font-size: 22px;
    letter-spacing: 0.14em;
  }

  .footer-slogan {
    font-size: 13px;
    letter-spacing: 0.14em;
  }

  .footer-slogan::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-desc {
    text-align: center;
    font-size: 13px;
  }

  .footer-column {
    text-align: center;
  }

  .footer-column-title {
    font-size: 16px;
    margin-bottom: 20px;
    padding-bottom: 12px;
  }

  .footer-column-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .footer-nav-list {
    align-items: center;
    gap: 12px;
  }

  .footer-nav-link {
    font-size: 13px;
    padding-left: 0;
  }

  .footer-nav-link:hover {
    padding-left: 0;
  }

  .footer-nav-link::before {
    display: none;
  }

  .footer-contact-list {
    align-items: center;
    gap: 14px;
  }

  .footer-contact-item {
    justify-content: center;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
  }

  .footer-contact-icon {
    margin-top: 0;
  }

  .footer-qr {
    align-items: center;
  }

  .footer-qr img {
    width: 96px;
    height: 96px;
  }

  .footer-qr-label {
    text-align: center;
    font-size: 12px;
  }

  .footer-bottom-inner {
    padding: 20px var(--container-padding);
    flex-direction: column;
    gap: 8px;
    text-align: center;
    justify-content: center;
  }

  .footer-copyright,
  .footer-bottom-link {
    font-size: 11px;
  }

  /* 移动端导航 */
  .mobile-nav {
    top: 78px;
  }

  .mobile-nav-list {
    padding: 24px;
  }

  .mobile-nav-link {
    padding: 16px 12px;
    font-size: 16px;
  }

  /* 头部高度适配 */
  .header,
  .header.scrolled {
    position: fixed !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    top: 0 !important;
    height: 78px !important;
  }

  .header-inner {
    height: 78px;
  }

  .header-logo img {
    height: 42px;
  }

  .header-logo-text {
    font-size: 18px;
    letter-spacing: 0.12em;
  }

  .banner,
  .page-banner {
    margin-top: 78px;
  }

  .page-banner,
  .page-banner.swiper-container {
    height: 260px;
    margin-top: 78px;
  }

  /* Swiper 导航按钮移动端隐藏 */
  .swiper-button-prev,
  .swiper-button-next {
    display: none;
  }

  .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
  }

  .swiper-pagination-bullet-active {
    width: 18px;
  }
}

/* ========================================
   小手机 (< 576px)
   ======================================== */

@media (max-width: 375px) {
  /* Hero */
  .hero-title {
    font-size: 36px;
    letter-spacing: 6px;
  }

  /* 产品展示 */
  .products-showcase {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .tea-card__visual {
    aspect-ratio: 4/3;
  }

  /* 四季茶韵 */
  .seasons-grid {
    grid-template-columns: 1fr;
  }

  /* 品质承诺 */
  .promise-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  /* 关于我们 */
  .about-stats {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  /* 知识网格 */
  .knowledge-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1199px) {
  .hero {
    padding-top: 148px;
    padding-bottom: 170px;
  }

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

  .tea-card,
  .tea-card:nth-child(-n+2) {
    grid-column: span 1;
  }
}

@media (max-width: 991px) {
  .hero {
    height: auto;
    min-height: 720px;
    padding-bottom: 190px;
  }

  .immersive-panel-shell {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .immersive-metrics {
    width: 100%;
  }

  .collection {
    margin-top: -36px;
    padding-top: calc(var(--space-3xl) + 36px);
  }

  .collection-intro,
  .collection-intro-copy {
    flex-direction: column;
    align-items: flex-start;
  }

  .collection-intro-tags {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 680px;
    padding: 132px 0 210px;
  }

  .hero-content {
    padding: 0 20px;
  }

  .hero-immersive-panel {
    width: calc(100% - 32px);
    bottom: 20px;
  }

  .hero-inner .hero-immersive-panel {
    width: 100%;
    bottom: auto;
    margin-top: 24px;
  }

  .immersive-panel-shell {
    padding: 20px;
  }

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

  .immersive-metric {
    padding-left: 0;
    padding-top: 12px;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }

  .collection-intro {
    padding: 18px;
  }

  .collection-grid {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .tea-card > a {
    padding: 12px;
  }

  .tea-card:nth-child(-n+2) .tea-visual,
  .tea-card:not(:nth-child(-n+2)) .tea-visual {
    aspect-ratio: 16/12;
  }
}

/* ========================================
   通用移动端优化
   ======================================== */

@media (max-width: 991px) {
  .hidden-mobile {
    display: none !important;
  }
}

@media (min-width: 992px) {
  .hidden-desktop {
    display: none !important;
  }
}

@media (max-width: 767px) {
  .header,
  .header.scrolled {
    position: fixed;
    top: 0;
    height: 78px;
    transform: none;
  }

  .home-hero {
    padding-top: 78px !important;
  }

  .banner,
  .page-banner,
  .page-banner.swiper-container {
    margin-top: 72px !important;
  }

  .mobile-nav {
    top: 72px;
  }
}

/* ========================================
   动画过渡优化
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .hero-entrance {
    animation: none;
    opacity: 1;
  }

  .hero-scroll-hint {
    animation: none;
    opacity: 1;
  }
}

/* ========================================
   打印样式
   ======================================== */

@media print {
  .header,
  .footer,
  .hero-scroll-hint,
  .mobile-nav {
    display: none !important;
  }

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

  .hero {
    height: auto;
    min-height: auto;
    padding: 40px 0;
  }

  .hero-visual,
  .hero-atmosphere {
    display: none;
  }

  .hero-title,
  .hero-tagline {
    color: #000;
  }

  .chapter {
    break-inside: avoid;
    padding: 30px 0;
  }

  .chapter-title {
    color: #000;
  }

  .tea-card,
  .season-card,
  .knowledge-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }
}