/* =====================================================
   17c 侘寂美学官网 | www.rq8emh.cn
   外部CSS样式文件 - 侘寂禅意·极简自然·东方静谧美学
   ===================================================== */

/* ---- CSS 变量 ---- */
:root {
  --color-warm-white: #faf8f4;
  --color-ivory:      #f5f2ec;
  --color-light-gray: #ece9e3;
  --color-gray:       #b0a99e;
  --color-dark-gray:  #6e6660;
  --color-clay:       #a08060;
  --color-earth:      #7a5c3a;
  --color-ink:        #2a2620;
  --color-mist:       #8fa89a;
  --color-fog:        #c8d4cc;
  --font-main:        'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body:        'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width:        1200px;
  --radius:           2px;
  --transition:       0.3s ease;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--color-warm-white);
  color: var(--color-ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-earth); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- 顶部导航 ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200, 196, 188, 0.4);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-logo {
  font-family: var(--font-main);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}
.site-logo span {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-gray);
  margin-left: 0.5rem;
  letter-spacing: 0.12em;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
  flex-wrap: nowrap;
}
.main-nav a {
  font-size: 0.82rem;
  color: var(--color-dark-gray);
  letter-spacing: 0.06em;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--color-earth);
  background: rgba(160, 128, 96, 0.08);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-ink);
  transition: all var(--transition);
}

/* ---- 搜索栏 ---- */
.search-bar-wrap {
  background: var(--color-ivory);
  border-bottom: 1px solid rgba(200, 196, 188, 0.3);
  padding: 0.6rem 2rem;
}
.search-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid rgba(200, 196, 188, 0.5);
  background: var(--color-warm-white);
  padding: 0.4rem 1rem;
  border-radius: var(--radius);
  max-width: 600px;
}
.search-bar-inner input {
  flex: 1;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--color-dark-gray);
  outline: none;
  letter-spacing: 0.04em;
}
.search-bar-inner input::placeholder { color: var(--color-gray); }
.search-bar-inner button {
  color: var(--color-gray);
  display: flex;
  align-items: center;
  transition: color var(--transition);
}
.search-bar-inner button:hover { color: var(--color-earth); }

/* ---- 面包屑 ---- */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 2rem;
  font-size: 0.78rem;
  color: var(--color-gray);
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.breadcrumb a { color: var(--color-gray); }
.breadcrumb a:hover { color: var(--color-earth); }

/* ---- Hero Banner ---- */
.hero-banner {
  position: relative;
  width: 100%;
  height: 90vh;
  min-height: 520px;
  max-height: 800px;
  overflow: hidden;
}
.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(42, 38, 32, 0.15) 0%,
    rgba(42, 38, 32, 0.45) 60%,
    rgba(42, 38, 32, 0.65) 100%
  );
}
.hero-content {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(250, 248, 244, 0.95);
  width: 90%;
  max-width: 700px;
}
.hero-tag {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(250, 248, 244, 0.65);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.hero-title {
  font-family: var(--font-main);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  line-height: 1.3;
  margin-bottom: 1rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.hero-sub {
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: rgba(250, 248, 244, 0.7);
  margin-bottom: 2rem;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  padding: 0.7rem 2rem;
  background: rgba(160, 128, 96, 0.85);
  color: rgba(250, 248, 244, 0.95);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  border: 1px solid rgba(160, 128, 96, 0.6);
  transition: all var(--transition);
}
.btn-primary:hover { background: rgba(122, 92, 58, 0.9); color: #fff; }
.btn-secondary {
  padding: 0.7rem 2rem;
  background: rgba(250, 248, 244, 0.12);
  color: rgba(250, 248, 244, 0.9);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  border: 1px solid rgba(250, 248, 244, 0.4);
  transition: all var(--transition);
}
.btn-secondary:hover { background: rgba(250, 248, 244, 0.22); }

/* ---- 页面Hero（内页） ---- */
.page-hero {
  position: relative;
  width: 100%;
  height: 55vh;
  min-height: 320px;
  max-height: 520px;
  overflow: hidden;
}
.page-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero-content {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: rgba(250, 248, 244, 0.95);
  width: 90%;
}
.page-hero-content h1 {
  font-family: var(--font-main);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.page-hero-content p {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: rgba(250, 248, 244, 0.65);
}

/* ---- Section 通用 ---- */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}
.section-alt {
  background: var(--color-ivory);
  border-top: 1px solid rgba(200, 196, 188, 0.3);
  border-bottom: 1px solid rgba(200, 196, 188, 0.3);
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
}
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-label {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--color-clay);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: 1rem;
}
.section-desc {
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  max-width: 560px;
  margin: 0 auto;
  line-height: 2;
  letter-spacing: 0.04em;
}

/* ---- 视频卡片网格 ---- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.video-card {
  background: var(--color-warm-white);
  border: 1px solid rgba(200, 196, 188, 0.3);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.video-card:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(42, 38, 32, 0.1); }
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--color-light-gray);
}
.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.video-card:hover .video-thumb img { transform: scale(1.04); }
.video-tag {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: rgba(42, 38, 32, 0.7);
  color: rgba(250, 248, 244, 0.9);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  padding: 0.25rem 0.6rem;
}
.play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(42, 38, 32, 0);
  transition: background var(--transition);
}
.play-btn svg {
  width: 48px;
  height: 48px;
  fill: rgba(250, 248, 244, 0);
  stroke: rgba(250, 248, 244, 0);
  transition: all var(--transition);
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}
.video-card:hover .play-btn { background: rgba(42, 38, 32, 0.3); }
.video-card:hover .play-btn svg {
  fill: rgba(250, 248, 244, 0.9);
  stroke: rgba(250, 248, 244, 0.9);
  width: 56px;
  height: 56px;
}
.video-info { padding: 1.25rem; }
.video-title {
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 0.6rem;
}
.video-title a { color: inherit; }
.video-title a:hover { color: var(--color-earth); }
.video-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.06em;
}

/* ---- 品牌故事 ---- */
.story-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.story-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.96);
}
.story-text h2 {
  font-family: var(--font-main);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.06em;
  line-height: 1.4;
  margin-bottom: 1.5rem;
}
.story-divider {
  width: 40px;
  height: 1px;
  background: var(--color-clay);
  margin-bottom: 1.5rem;
}
.story-text p {
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  line-height: 2;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
}

/* ---- 图片画廊 ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: saturate(0.8) brightness(0.95);
}
.gallery-item:hover img { transform: scale(1.05); filter: saturate(0.9) brightness(1); }
.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: rgba(42, 38, 32, 0);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  transition: background var(--transition);
}
.gallery-item:hover .gallery-item-overlay { background: rgba(42, 38, 32, 0.35); }
.gallery-caption {
  font-size: 0.78rem;
  color: rgba(250, 248, 244, 0);
  letter-spacing: 0.15em;
  transition: color var(--transition);
}
.gallery-item:hover .gallery-caption { color: rgba(250, 248, 244, 0.9); }

/* ---- AI 功能列表 ---- */
.ai-section-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.ai-feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.ai-feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.ai-feature-icon {
  font-size: 1.1rem;
  color: var(--color-clay);
  flex-shrink: 0;
  margin-top: 0.1rem;
  width: 1.5rem;
  text-align: center;
}
.ai-feature-list strong {
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 0.2rem;
}

/* ---- 达人卡片 ---- */
.master-grid {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.master-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border: 1px solid rgba(200, 196, 188, 0.3);
  background: var(--color-warm-white);
  min-width: 140px;
  transition: all var(--transition);
}
.master-card:hover { border-color: var(--color-clay); transform: translateY(-2px); }
.master-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-size: 1.4rem;
  color: var(--color-clay);
  margin: 0 auto 1rem;
  border: 1px solid rgba(200, 196, 188, 0.5);
}
.master-name {
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-ink);
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}
.master-title {
  font-size: 0.75rem;
  color: var(--color-gray);
  letter-spacing: 0.08em;
}

/* ---- 评价卡片 ---- */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.review-card {
  padding: 2rem;
  background: var(--color-warm-white);
  border: 1px solid rgba(200, 196, 188, 0.3);
  position: relative;
}
.review-quote {
  font-family: var(--font-main);
  font-size: 3rem;
  color: var(--color-clay);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.review-text {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  line-height: 2;
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: var(--color-clay);
  flex-shrink: 0;
}
.review-name {
  font-size: 0.82rem;
  color: var(--color-ink);
  letter-spacing: 0.06em;
}

/* ---- 合作伙伴 ---- */
.partner-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.partner-item {
  padding: 0.6rem 1.5rem;
  border: 1px solid rgba(200, 196, 188, 0.4);
  font-size: 0.82rem;
  color: var(--color-dark-gray);
  letter-spacing: 0.08em;
  transition: all var(--transition);
}
.partner-item:hover { border-color: var(--color-clay); color: var(--color-earth); }

/* ---- FAQ ---- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(200, 196, 188, 0.4);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 0;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color var(--transition);
}
.faq-question:hover { color: var(--color-earth); }
.faq-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  position: relative;
  border: 1px solid var(--color-gray);
  border-radius: 50%;
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-gray);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--transition);
}
.faq-icon::before { width: 8px; height: 1px; }
.faq-icon::after  { width: 1px; height: 8px; }
.faq-item.open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer { max-height: 300px; padding-bottom: 1.25rem; }
.faq-answer p {
  font-size: 0.875rem;
  color: var(--color-dark-gray);
  line-height: 2;
  letter-spacing: 0.03em;
}

/* ---- 联系模块 ---- */
.contact-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}
.contact-block {
  padding: 2rem;
  background: var(--color-ivory);
  border: 1px solid rgba(200, 196, 188, 0.3);
}
.contact-block h3 {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(200, 196, 188, 0.4);
}
.contact-block p {
  font-size: 0.85rem;
  color: var(--color-dark-gray);
  line-height: 2;
}
.qr-placeholder {
  width: 100px;
  height: 100px;
  border: 1px dashed var(--color-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-gray);
  letter-spacing: 0.08em;
  line-height: 1.8;
  margin-top: 1rem;
}

/* ---- 文章卡片 ---- */
.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}
.article-card {
  border: 1px solid rgba(200, 196, 188, 0.3);
  overflow: hidden;
  background: var(--color-warm-white);
  transition: transform var(--transition), box-shadow var(--transition);
}
.article-card:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(42, 38, 32, 0.08); }
.article-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.article-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  filter: saturate(0.85);
}
.article-card:hover .article-thumb img { transform: scale(1.04); }
.article-body { padding: 1.5rem; }
.article-cat {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--color-clay);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}
.article-title {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin-bottom: 0.75rem;
}
.article-excerpt {
  font-size: 0.82rem;
  color: var(--color-dark-gray);
  line-height: 1.9;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--color-gray);
  letter-spacing: 0.06em;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(200, 196, 188, 0.3);
}

/* ---- 页脚 ---- */
.site-footer {
  background: var(--color-ink);
  color: rgba(250, 248, 244, 0.6);
  margin-top: 0;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 2rem 2rem;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(250, 248, 244, 0.1);
  flex-wrap: wrap;
}
.footer-brand {
  font-family: var(--font-main);
  font-size: 1.5rem;
  color: rgba(250, 248, 244, 0.85);
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(250, 248, 244, 0.35);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  max-width: 600px;
}
.footer-nav a {
  font-size: 0.78rem;
  color: rgba(250, 248, 244, 0.45);
  letter-spacing: 0.06em;
  transition: color var(--transition);
}
.footer-nav a:hover { color: rgba(250, 248, 244, 0.8); }
.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  align-items: center;
}
.footer-copy {
  font-size: 0.72rem;
  color: rgba(250, 248, 244, 0.3);
  letter-spacing: 0.06em;
}
.footer-update {
  font-size: 0.72rem;
  color: rgba(250, 248, 244, 0.3);
  letter-spacing: 0.06em;
}
.footer-icp {
  font-size: 0.68rem;
  color: rgba(250, 248, 244, 0.2);
  letter-spacing: 0.04em;
}

/* ---- 图片懒加载 ---- */
img[data-src] { opacity: 0.5; transition: opacity 0.4s; }
img.loaded { opacity: 1; }

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .story-wrap,
  .ai-section-wrap { grid-template-columns: 1fr; gap: 2rem; }
  .story-img { order: -1; }
}

@media (max-width: 768px) {
  .header-inner { padding: 0 1.25rem; }
  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(250, 248, 244, 0.98);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid rgba(200, 196, 188, 0.4);
    z-index: 99;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 0.65rem 1rem; font-size: 0.9rem; width: 100%; }
  .nav-toggle { display: flex; }
  .hero-banner { height: 70vh; }
  .section { padding: 3.5rem 1.25rem; }
  .section-inner { padding: 3.5rem 1.25rem; }
  .video-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-top { flex-direction: column; }
  .footer-nav { max-width: 100%; }
  .search-bar-wrap { padding: 0.5rem 1.25rem; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .gallery-grid { grid-template-columns: 1fr; }
  .master-grid { gap: 0.75rem; }
  .master-card { min-width: 120px; padding: 1.25rem 1rem; }
  .contact-wrap { grid-template-columns: 1fr; }
  .article-grid { grid-template-columns: 1fr; }
}

/* ---- 打印样式 ---- */
@media print {
  .site-header, .search-bar-wrap, .hero-banner, .hero-btns,
  .nav-toggle, .site-footer { display: none !important; }
  body { background: #fff; color: #000; }
}