/* 菠萝视频 - 侘寂禅意风格主样式表 */
/* Wabi-Sabi Zen Aesthetic - Main Stylesheet */

:root {
  --color-bg: #f5f2ec;
  --color-bg2: #ede9e0;
  --color-text: #2c2a26;
  --color-text-light: #6b6560;
  --color-text-muted: #9b9590;
  --color-accent: #7a6e5f;
  --color-accent2: #5c7a6e;
  --color-border: #d8d2c8;
  --color-card: #f9f7f3;
  --color-ink: #1a1814;
  --color-clay: #a07860;
  --color-mist: #8fa8a0;
  --font-serif: 'Noto Serif SC', 'Source Han Serif CN', Georgia, serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 2px;
  --shadow: 0 2px 16px rgba(44,42,38,0.07);
  --transition: 0.38s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ===== HEADER & NAV ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245,242,236,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-bg);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-menu a {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  position: relative;
  padding-bottom: 2px;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after { width: 100%; }
.nav-menu a:hover, .nav-menu a.active { color: var(--color-text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

/* ===== SEARCH BAR ===== */
.search-bar-wrap {
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 24px;
}

.search-bar-inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-bg);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.search-bar-inner:focus-within {
  box-shadow: 0 0 0 2px var(--color-mist);
}

.search-bar-inner input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 9px 20px;
  font-size: 0.9rem;
  color: var(--color-text);
  font-family: var(--font-sans);
}

.search-bar-inner input::placeholder { color: var(--color-text-muted); }

.search-bar-inner button {
  border: none;
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 9px 22px;
  cursor: pointer;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: background var(--transition);
}

.search-bar-inner button:hover { background: var(--color-accent); }

/* ===== HERO BANNER ===== */
.hero {
  position: relative;
  height: 88vh;
  min-height: 520px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.72) saturate(0.8);
  transform: scale(1.04);
  transition: transform 8s ease;
}

.hero:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,24,20,0.18) 0%, rgba(26,24,20,0.55) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #f5f2ec;
  padding: 0 24px;
  max-width: 760px;
}

.hero-tag {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid rgba(245,242,236,0.5);
  padding: 4px 16px;
  margin-bottom: 20px;
  color: rgba(245,242,236,0.8);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  text-shadow: 0 2px 24px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  opacity: 0.88;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-bg);
  color: var(--color-ink);
  border-color: var(--color-bg);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-bg);
  border-color: var(--color-bg);
}

.btn-outline {
  background: transparent;
  color: var(--color-bg);
  border-color: rgba(245,242,236,0.6);
}

.btn-outline:hover {
  background: rgba(245,242,236,0.15);
  border-color: var(--color-bg);
}

/* ===== SECTION COMMONS ===== */
.section {
  padding: 80px 24px;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 52px;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.04em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.9;
}

/* ===== VIDEO CARDS GRID ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.video-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}

.video-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--color-bg2);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.6s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.05);
  filter: brightness(0.85) saturate(0.9);
}

/* 光影斑驳纹理呼吸效果 */
.video-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(255,248,230,0.22) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 70%, rgba(160,120,96,0.12) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: 1;
  pointer-events: none;
}

.video-card:hover .video-thumb::before { opacity: 1; }

/* 纹理呼吸动画 */
.video-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0;
  transition: opacity 0.6s ease;
  z-index: 2;
  pointer-events: none;
  animation: breathe 3s ease-in-out infinite;
}

.video-card:hover .video-thumb::after { opacity: 1; }

@keyframes breathe {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 52px;
  height: 52px;
  background: rgba(245,242,236,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.4s ease;
  z-index: 3;
}

.play-btn svg {
  width: 20px;
  height: 20px;
  fill: var(--color-ink);
  margin-left: 3px;
}

.video-card:hover .play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 10px;
  background: rgba(26,24,20,0.75);
  color: #f5f2ec;
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 2px;
  z-index: 3;
  letter-spacing: 0.04em;
}

.video-tag-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-accent2);
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 2px;
  z-index: 3;
  letter-spacing: 0.06em;
}

.card-body {
  padding: 18px 20px 20px;
}

.card-category {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-bottom: 6px;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.84rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== BRAND STORY ===== */
.story-section {
  background: var(--color-bg2);
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.story-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

.story-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.story-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(122,110,95,0.2);
  pointer-events: none;
}

.story-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 20px;
  line-height: 1.4;
}

.story-content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.95;
  margin-bottom: 16px;
}

.story-quote {
  border-left: 2px solid var(--color-clay);
  padding-left: 20px;
  margin: 24px 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-accent);
  font-style: italic;
  line-height: 1.7;
}

/* ===== IMAGE WALL ===== */
.image-wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.image-wall-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}

.image-wall-item img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.5s ease;
}

.image-wall-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.85) saturate(0.85);
}

.image-wall-item:first-child {
  grid-column: span 2;
}

.image-wall-item:first-child img {
  aspect-ratio: 16/9;
}

.image-wall-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,24,20,0.6) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: 16px;
}

.image-wall-item:hover .image-wall-overlay { opacity: 1; }

.image-wall-overlay span {
  color: #f5f2ec;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

/* ===== AI MODULE ===== */
.ai-section { background: var(--color-ink); color: var(--color-bg); }
.ai-section .section-title { color: var(--color-bg); }
.ai-section .section-desc { color: rgba(245,242,236,0.7); }
.ai-section .section-tag { color: var(--color-mist); }

.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.ai-img {
  border-radius: var(--radius);
  overflow: hidden;
}

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

.ai-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ai-feature-icon {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(245,242,236,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.ai-feature-text h4 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-bg);
  margin-bottom: 4px;
}

.ai-feature-text p {
  font-size: 0.84rem;
  color: rgba(245,242,236,0.6);
  line-height: 1.7;
}

/* ===== MASTERS ===== */
.masters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.master-card {
  text-align: center;
  padding: 28px 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: box-shadow var(--transition);
}

.master-card:hover { box-shadow: var(--shadow); }

.master-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: var(--color-bg2);
  overflow: hidden;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--color-text-muted);
}

.master-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.master-title {
  font-size: 0.78rem;
  color: var(--color-mist);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}

.master-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ===== REVIEWS ===== */
.reviews-section { background: var(--color-bg2); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: box-shadow var(--transition);
}

.review-card:hover { box-shadow: var(--shadow); }

.review-quote-mark {
  font-family: Georgia, serif;
  font-size: 3rem;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 8px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: 20px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.review-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink);
}

.review-role {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.review-stars {
  color: #c8a87a;
  font-size: 0.8rem;
  letter-spacing: 2px;
  margin-bottom: 2px;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-card);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--color-bg2); }

.faq-icon {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: transform var(--transition), background var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-ink);
  color: var(--color-bg);
  border-color: var(--color-ink);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.85;
  padding-top: 4px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ===== PARTNERS ===== */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
}

.partner-item {
  width: 120px;
  height: 56px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  transition: border-color var(--transition), color var(--transition);
}

.partner-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px;
}

.contact-block {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.contact-block h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.contact-block p, .contact-block li {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

.qr-placeholder {
  width: 100px;
  height: 100px;
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  margin: 12px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-ink);
  color: rgba(245,242,236,0.7);
  padding: 48px 24px 28px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(245,242,236,0.1);
  margin-bottom: 28px;
}

.footer-brand .logo {
  color: var(--color-bg);
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(245,242,236,0.55);
}

.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: rgba(245,242,236,0.9);
  margin-bottom: 14px;
  font-weight: 500;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 0.82rem;
  color: rgba(245,242,236,0.5);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: rgba(245,242,236,0.9); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: rgba(245,242,236,0.4);
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(245,242,236,0.4);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  transition: color var(--transition);
}

.footer-social a:hover { color: rgba(245,242,236,0.8); }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: 14px 24px;
  background: var(--color-bg2);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.breadcrumb-inner a { color: var(--color-text-muted); }
.breadcrumb-inner a:hover { color: var(--color-accent); }
.breadcrumb-inner span { color: var(--color-text-light); }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  background: var(--color-bg2);
  padding: 64px 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-ink);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.page-hero p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.85;
}

/* ===== UPDATE TIME ===== */
.update-time {
  font-size: 0.78rem;
  color: rgba(245,242,236,0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .story-grid, .ai-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(245,242,236,0.98); padding: 20px 24px; border-bottom: 1px solid var(--color-border); gap: 16px; }
  .nav-menu.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero { height: 70vh; }
  .cards-grid { grid-template-columns: 1fr; }
  .image-wall { grid-template-columns: 1fr 1fr; }
  .image-wall-item:first-child { grid-column: span 2; }
  .masters-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section { padding: 56px 16px; }
}

@media (max-width: 480px) {
  .image-wall { grid-template-columns: 1fr; }
  .image-wall-item:first-child { grid-column: span 1; }
  .hero-actions { flex-direction: column; align-items: center; }
  .masters-grid { grid-template-columns: 1fr; }
}

/* ===== LAZY LOAD ===== */
img[loading="lazy"] { opacity: 0; transition: opacity 0.5s ease; }
img.loaded { opacity: 1; }

/* ===== INNER PAGE ARTICLE ===== */
.article-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px;
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-ink);
  margin: 32px 0 14px;
}

.article-content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.95;
  margin-bottom: 16px;
}

.article-content .lead {
  font-size: 1.05rem;
  color: var(--color-text);
  font-style: italic;
  border-left: 2px solid var(--color-clay);
  padding-left: 20px;
  margin: 24px 0;
}