/* ============================================
   麻豆 - 麻线编织与植物染布艺手作平台
   主样式文件 md6-style.css
   CSS/ID前缀: md6-
   Mobile-First | 四断点响应式
   ============================================ */

/* === CSS Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --md6-primary: #5F7C8D;
  --md6-primary-dark: #4A6473;
  --md6-secondary: #A98E72;
  --md6-secondary-light: #C4AD94;
  --md6-cream: #F5F5DC;
  --md6-cream-dark: #E8E4C9;
  --md6-white: #FAFAF5;
  --md6-text: #3A3A3A;
  --md6-text-light: #6B6B6B;
  --md6-border: #D4CFC0;
  --md6-shadow: rgba(95, 124, 141, 0.12);
  --md6-font-title: "STSong", "SimSun", "Songti SC", serif;
  --md6-font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --md6-radius: 6px;
  --md6-transition: 0.3s ease;
  --md6-max-width: 1200px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--md6-font-body);
  color: var(--md6-text);
  background-color: var(--md6-white);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--md6-primary);
  text-decoration: none;
  transition: color var(--md6-transition);
}

a:hover {
  color: var(--md6-secondary);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--md6-font-title);
  color: var(--md6-primary-dark);
  line-height: 1.4;
  font-weight: 600;
}

h1 { font-size: 1.75rem; margin-bottom: 1rem; }
h2 { font-size: 1.5rem; margin-bottom: 0.85rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.7rem; }

p {
  margin-bottom: 1rem;
  text-align: justify;
}

/* === 全局导航 === */
#md6-header {
  background-color: var(--md6-cream);
  border-bottom: 1px solid var(--md6-border);
  position: relative;
  z-index: 100;
}

.md6-nav-container {
  max-width: var(--md6-max-width);
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.md6-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--md6-font-title);
  font-size: 1.35rem;
  color: var(--md6-primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.md6-logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.md6-logo-domain {
  font-size: 0.7rem;
  color: var(--md6-text-light);
  display: block;
  font-family: var(--md6-font-body);
  font-weight: 400;
}

/* 汉堡菜单按钮 */
#md6-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 110;
}

#md6-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--md6-primary-dark);
  transition: all var(--md6-transition);
}

#md6-hamburger.md6-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#md6-hamburger.md6-active span:nth-child(2) {
  opacity: 0;
}

#md6-hamburger.md6-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* 导航菜单 */
#md6-nav-menu {
  display: none;
  width: 100%;
  flex-direction: column;
  padding-top: 0.75rem;
}

#md6-nav-menu.md6-open {
  display: flex;
}

.md6-nav-link {
  display: block;
  padding: 0.6rem 0;
  color: var(--md6-text);
  font-size: 0.95rem;
  border-bottom: 1px solid var(--md6-border);
  position: relative;
  transition: color var(--md6-transition);
}

.md6-nav-link:hover {
  color: var(--md6-secondary);
}

.md6-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--md6-primary);
  transition: width var(--md6-transition);
}

.md6-nav-link:hover::after {
  width: 100%;
}

.md6-nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#md6-search-box {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--md6-border);
  border-radius: var(--md6-radius);
  background: var(--md6-white);
  font-size: 0.85rem;
  width: 140px;
  font-family: var(--md6-font-body);
}

#md6-search-box:focus {
  outline: none;
  border-color: var(--md6-primary);
}

.md6-cart-btn {
  background: none;
  border: 1px solid var(--md6-border);
  border-radius: var(--md6-radius);
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--md6-text);
  position: relative;
  font-family: var(--md6-font-body);
  transition: all var(--md6-transition);
}

.md6-cart-btn:hover {
  border-color: var(--md6-primary);
  color: var(--md6-primary);
}

#md6-cart-count {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--md6-secondary);
  color: #fff;
  font-size: 0.65rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Hero Banner 轮播 === */
#md6-hero {
  position: relative;
  width: 100%;
  height: 60vh;
  min-height: 320px;
  overflow: hidden;
}

.md6-hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
}

.md6-hero-slide.md6-active {
  opacity: 1;
}

.md6-hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.md6-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.15), rgba(0,0,0,0.5));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 1.5rem;
}

.md6-hero-title {
  color: #fff;
  font-size: 1.5rem;
  font-family: var(--md6-font-title);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  margin-bottom: 0.5rem;
}

.md6-hero-subtitle {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.md6-hero-btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background: var(--md6-primary);
  color: #fff;
  border-radius: var(--md6-radius);
  font-size: 0.9rem;
  transition: all var(--md6-transition);
  border: none;
  cursor: pointer;
}

.md6-hero-btn:hover {
  background: var(--md6-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--md6-shadow);
}

.md6-hero-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.md6-hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: background var(--md6-transition);
}

.md6-hero-dot.md6-active {
  background: #fff;
}

/* === 通用区块 === */
.md6-section {
  padding: 2.5rem 1rem;
  max-width: var(--md6-max-width);
  margin: 0 auto;
}

.md6-section-alt {
  background-color: var(--md6-cream);
}

.md6-section-title {
  text-align: center;
  margin-bottom: 2rem;
  position: relative;
}

.md6-section-title h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 0.5rem;
}

.md6-section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--md6-secondary);
}

.md6-section-desc {
  text-align: center;
  color: var(--md6-text-light);
  max-width: 600px;
  margin: -1rem auto 2rem;
  font-size: 0.9rem;
}

/* === 匠人手记卡片 === */
.md6-artisan-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.md6-artisan-card {
  background: #fff;
  border-radius: var(--md6-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--md6-shadow);
  transition: transform var(--md6-transition), box-shadow var(--md6-transition);
}

.md6-artisan-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px var(--md6-shadow);
}

.md6-artisan-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 1.25rem auto 0.75rem;
}

.md6-artisan-info {
  padding: 0 1.25rem 1.25rem;
  text-align: center;
}

.md6-artisan-name {
  font-family: var(--md6-font-title);
  font-size: 1.1rem;
  color: var(--md6-primary-dark);
  margin-bottom: 0.5rem;
}

.md6-artisan-excerpt {
  font-size: 0.88rem;
  color: var(--md6-text-light);
  line-height: 1.7;
}

/* === 麻线事记时间轴 === */
.md6-timeline {
  position: relative;
  padding-left: 2rem;
}

.md6-timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--md6-border);
}

.md6-timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.md6-timeline-dot {
  position: absolute;
  left: -1.75rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--md6-primary);
  border: 2px solid var(--md6-cream);
}

.md6-timeline-date {
  font-size: 0.8rem;
  color: var(--md6-secondary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.md6-timeline-title {
  font-family: var(--md6-font-title);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.md6-timeline-text {
  font-size: 0.88rem;
  color: var(--md6-text-light);
  line-height: 1.7;
}

.md6-timeline-img {
  margin-top: 0.75rem;
  border-radius: var(--md6-radius);
  width: 100%;
  max-width: 400px;
}

/* === 视频区域 === */
.md6-video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.md6-video-card {
  position: relative;
  border-radius: var(--md6-radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 12px var(--md6-shadow);
}

.md6-video-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  transition: transform var(--md6-transition);
}

.md6-video-card:hover img {
  transform: scale(1.05);
}

.md6-video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(95, 124, 141, 0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--md6-transition);
}

.md6-video-play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 3px;
}

.md6-video-card:hover .md6-video-play-icon {
  background: rgba(95, 124, 141, 1);
}

.md6-video-caption {
  padding: 0.75rem;
  background: #fff;
  font-size: 0.9rem;
  color: var(--md6-text);
}

/* 视频模态框 */
#md6-video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

#md6-video-modal.md6-open {
  display: flex;
}

.md6-modal-content {
  position: relative;
  width: 90%;
  max-width: 800px;
}

.md6-modal-close {
  position: absolute;
  top: -2.5rem;
  right: 0;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.75rem;
  cursor: pointer;
  padding: 0.5rem;
}

.md6-video-player {
  width: 100%;
  border-radius: var(--md6-radius);
  background: #000;
}

/* === 布艺生活美学 === */
.md6-lifestyle-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.md6-lifestyle-card {
  position: relative;
  border-radius: var(--md6-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--md6-shadow);
}

.md6-lifestyle-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--md6-transition);
}

.md6-lifestyle-card:hover img {
  transform: scale(1.03);
}

.md6-lifestyle-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.6));
  color: #fff;
  font-family: var(--md6-font-title);
  font-size: 1rem;
}

/* === 在线工坊入口横幅 === */
#md6-workshop-cta {
  position: relative;
  width: 100%;
  min-height: 280px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#md6-workshop-cta img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.md6-cta-overlay {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(95, 124, 141, 0.8);
  border-radius: var(--md6-radius);
  max-width: 500px;
}

.md6-cta-title {
  color: #fff;
  font-family: var(--md6-font-title);
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.md6-cta-text {
  color: rgba(255,255,255,0.9);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.md6-cta-btn {
  display: inline-block;
  padding: 0.65rem 2rem;
  background: var(--md6-secondary);
  color: #fff;
  border-radius: var(--md6-radius);
  font-size: 0.95rem;
  transition: all var(--md6-transition);
  border: none;
  cursor: pointer;
}

.md6-cta-btn:hover {
  background: #8D7560;
  color: #fff;
  transform: translateY(-2px);
}

/* === 植物染料图鉴 === */
.md6-dye-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.md6-dye-card {
  background: #fff;
  border-radius: var(--md6-radius);
  overflow: hidden;
  box-shadow: 0 2px 8px var(--md6-shadow);
  text-align: center;
  transition: transform var(--md6-transition);
}

.md6-dye-card:hover {
  transform: translateY(-3px);
}

.md6-dye-card img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.md6-dye-info {
  padding: 0.75rem;
}

.md6-dye-name {
  font-family: var(--md6-font-title);
  font-size: 1rem;
  color: var(--md6-primary-dark);
  margin-bottom: 0.25rem;
}

.md6-dye-color {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 0.35rem;
  border: 1px solid var(--md6-border);
}

.md6-dye-desc {
  font-size: 0.8rem;
  color: var(--md6-text-light);
  margin-top: 0.35rem;
}

/* === 手作社区动态 === */
.md6-community-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.md6-community-card {
  display: flex;
  gap: 1rem;
  background: #fff;
  border-radius: var(--md6-radius);
  padding: 1rem;
  box-shadow: 0 2px 8px var(--md6-shadow);
}

.md6-community-card img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--md6-radius);
  flex-shrink: 0;
}

.md6-community-user {
  font-size: 0.85rem;
  color: var(--md6-secondary);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.md6-community-text {
  font-size: 0.85rem;
  color: var(--md6-text-light);
  line-height: 1.6;
}

.md6-community-time {
  font-size: 0.75rem;
  color: #aaa;
  margin-top: 0.35rem;
}

/* === 页脚 === */
#md6-footer {
  background: var(--md6-primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 2.5rem 1rem 1rem;
}

.md6-footer-container {
  max-width: var(--md6-max-width);
  margin: 0 auto;
}

.md6-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.md6-footer-col h3 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  font-family: var(--md6-font-title);
}

.md6-footer-col p,
.md6-footer-col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}

.md6-footer-col a:hover {
  color: var(--md6-secondary-light);
}

.md6-footer-links {
  list-style: none;
}

.md6-footer-links li {
  margin-bottom: 0.35rem;
}

.md6-footer-links a {
  display: inline-block;
}

/* 荣誉标识区 */
.md6-honor-list {
  list-style: none;
  padding: 0;
}

.md6-honor-list li {
  font-size: 0.82rem;
  margin-bottom: 0.5rem;
  padding-left: 1.25rem;
  position: relative;
  color: rgba(255,255,255,0.75);
}

.md6-honor-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--md6-secondary-light);
  font-weight: bold;
}

.md6-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1rem;
  text-align: center;
}

.md6-footer-auth {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.35rem;
}

.md6-footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.45);
}

/* === 面包屑导航 === */
.md6-breadcrumb {
  padding: 0.75rem 1rem;
  max-width: var(--md6-max-width);
  margin: 0 auto;
  font-size: 0.82rem;
  color: var(--md6-text-light);
}

.md6-breadcrumb a {
  color: var(--md6-primary);
}

.md6-breadcrumb span {
  margin: 0 0.35rem;
  color: var(--md6-border);
}

/* === 内页通用 === */
.md6-page-hero {
  position: relative;
  width: 100%;
  height: 35vh;
  min-height: 200px;
  overflow: hidden;
}

.md6-page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.md6-page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.md6-page-hero-title {
  color: #fff;
  font-family: var(--md6-font-title);
  font-size: 1.75rem;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.md6-article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.md6-article-content h2 {
  margin-top: 2rem;
}

.md6-article-content h3 {
  margin-top: 1.5rem;
}

.md6-article-img {
  margin: 1.5rem 0;
  border-radius: var(--md6-radius);
}

.md6-internal-link {
  color: var(--md6-primary);
  border-bottom: 1px dashed var(--md6-primary);
  transition: all var(--md6-transition);
}

.md6-internal-link:hover {
  color: var(--md6-secondary);
  border-color: var(--md6-secondary);
}

/* === 在线工坊页面 === */
.md6-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.md6-filter-btn {
  padding: 0.4rem 1rem;
  border: 1px solid var(--md6-border);
  border-radius: 20px;
  background: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--md6-transition);
  font-family: var(--md6-font-body);
  color: var(--md6-text);
}

.md6-filter-btn:hover,
.md6-filter-btn.md6-active {
  background: var(--md6-primary);
  color: #fff;
  border-color: var(--md6-primary);
}

.md6-course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.md6-course-card {
  background: #fff;
  border-radius: var(--md6-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--md6-shadow);
  transition: transform var(--md6-transition);
}

.md6-course-card:hover {
  transform: translateY(-4px);
}

.md6-course-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.md6-course-info {
  padding: 1rem;
}

.md6-course-title {
  font-family: var(--md6-font-title);
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.md6-course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--md6-text-light);
  margin-bottom: 0.5rem;
}

.md6-course-price {
  font-size: 1.1rem;
  color: var(--md6-secondary);
  font-weight: 700;
}

.md6-course-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.md6-btn-primary {
  flex: 1;
  padding: 0.5rem;
  background: var(--md6-primary);
  color: #fff;
  border: none;
  border-radius: var(--md6-radius);
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--md6-transition);
  font-family: var(--md6-font-body);
}

.md6-btn-primary:hover {
  background: var(--md6-primary-dark);
}

.md6-btn-secondary {
  flex: 1;
  padding: 0.5rem;
  background: transparent;
  color: var(--md6-secondary);
  border: 1px solid var(--md6-secondary);
  border-radius: var(--md6-radius);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--md6-transition);
  font-family: var(--md6-font-body);
}

.md6-btn-secondary:hover {
  background: var(--md6-secondary);
  color: #fff;
}

/* === APP下载页 === */
.md6-app-hero {
  text-align: center;
  padding: 3rem 1rem;
  background: linear-gradient(135deg, var(--md6-cream) 0%, var(--md6-white) 100%);
}

.md6-app-mockup {
  max-width: 280px;
  margin: 0 auto 2rem;
  border-radius: 24px;
  box-shadow: 0 12px 40px var(--md6-shadow);
}

.md6-app-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  margin-top: 1.5rem;
}

.md6-download-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--md6-radius);
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  min-width: 200px;
  text-align: center;
  position: relative;
  overflow: hidden;
  font-family: var(--md6-font-body);
  transition: all var(--md6-transition);
}

.md6-download-btn-ios {
  background: var(--md6-primary);
  color: #fff;
}

.md6-download-btn-android {
  background: var(--md6-secondary);
  color: #fff;
}

.md6-download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--md6-shadow);
}

/* 水波纹动画 */
.md6-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transform: scale(0);
  animation: md6-ripple-anim 0.6s linear;
  pointer-events: none;
}

@keyframes md6-ripple-anim {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* === FAQ区域 === */
.md6-faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.md6-faq-item {
  border-bottom: 1px solid var(--md6-border);
  padding: 1rem 0;
}

.md6-faq-question {
  font-family: var(--md6-font-title);
  font-size: 1rem;
  color: var(--md6-primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.md6-faq-question::after {
  content: '+';
  font-size: 1.25rem;
  transition: transform var(--md6-transition);
}

.md6-faq-item.md6-open .md6-faq-question::after {
  transform: rotate(45deg);
}

.md6-faq-answer {
  display: none;
  padding-top: 0.75rem;
  font-size: 0.88rem;
  color: var(--md6-text-light);
  line-height: 1.7;
}

.md6-faq-item.md6-open .md6-faq-answer {
  display: block;
}

/* === 响应式断点 === */

/* 768px 平板 */
@media (min-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.35rem; }

  #md6-hero {
    height: 65vh;
  }

  .md6-hero-title {
    font-size: 2rem;
  }

  .md6-artisan-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-video-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-lifestyle-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-dye-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .md6-community-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-course-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-app-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* 1024px 小桌面 */
@media (min-width: 1024px) {
  #md6-hamburger {
    display: none;
  }

  #md6-nav-menu {
    display: flex;
    width: auto;
    flex-direction: row;
    gap: 0.25rem;
    padding-top: 0;
    align-items: center;
  }

  .md6-nav-link {
    padding: 0.4rem 0.65rem;
    border-bottom: none;
    font-size: 0.9rem;
  }

  #md6-hero {
    height: 70vh;
  }

  .md6-hero-title {
    font-size: 2.5rem;
  }

  .md6-hero-subtitle {
    font-size: 1.1rem;
  }

  .md6-artisan-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .md6-video-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .md6-lifestyle-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .md6-community-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .md6-footer-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .md6-course-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .md6-page-hero-title {
    font-size: 2.25rem;
  }
}

/* 1440px 大桌面 */
@media (min-width: 1440px) {
  :root {
    --md6-max-width: 1320px;
  }

  .md6-section {
    padding: 3.5rem 2rem;
  }

  h1 { font-size: 2.5rem; }

  .md6-hero-title {
    font-size: 3rem;
  }
}

/* === 工具类 === */
.md6-text-center { text-align: center; }
.md6-mt-1 { margin-top: 0.5rem; }
.md6-mt-2 { margin-top: 1rem; }
.md6-mt-3 { margin-top: 1.5rem; }
.md6-mb-1 { margin-bottom: 0.5rem; }
.md6-mb-2 { margin-bottom: 1rem; }
.md6-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}