/* ===== 百合公主 - 高端珠宝品牌官网 ===== */

@import url('https://fonts.loli.net/css2?family=Noto+Serif+SC:wght@300;400;600;700&family=Cormorant+Garamond:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  --gold: #C9A040;
  --gold-light: #E8D5A8;
  --gold-dark: #8B6914;
  --bg: #1A1A1A;
  --bg-2: #121212;
  --bg-card: #222222;
  --text: #EAE5DA;
  --text-muted: #A09888;
  --white: #FFFEF9;
}

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

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}

h1, h2, h3 { font-family: 'Noto Serif SC', serif; font-weight: 600; }
.section-tag { font-family: 'Cormorant Garamond', serif; }


/* ================================================================
   NAVIGATION BAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(18,18,18,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201,160,64,0.15);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img { width: 40px; height: 40px; }
.logo-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 1px;
  transition: color 0.3s;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 44px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

/* Hamburger Menu Button (hidden on desktop) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: 1px solid rgba(201,160,64,0.3);
  cursor: pointer;
  z-index: 1001;
  padding: 0;
  gap: 5px;
  transition: border-color 0.3s;
  flex-shrink: 0;
}
.hamburger:hover { border-color: var(--gold); }
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--gold);
  transition: all 0.3s ease;
  transform-origin: center;
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* ================================================================
   HERO
   ================================================================ */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse at center, #1F1F1F 0%, #0D0D0D 60%, #000000 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('https://images.unsplash.com/photo-1605100804763-247f67b3557e?fm=jpg&q=60&w=1920&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  filter: blur(1px);
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 40%, rgba(201,160,64,0.06) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(201,160,64,0.04) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(201,160,64,0.04) 0%, transparent 40%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 20px;
}
.hero-logo {
  width: 120px;
  height: 120px;
  margin-bottom: 24px;
  filter: drop-shadow(0 0 40px rgba(201,160,64,0.3));
}
.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  color: var(--white);
  letter-spacing: 12px;
  margin-bottom: 8px;
}
.hero-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(14px, 2vw, 20px);
  letter-spacing: 8px;
  color: var(--gold);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  letter-spacing: 4px;
  margin-bottom: 48px;
}

.btn-gold {
  display: inline-block;
  padding: 14px 48px;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 4px;
  transition: all 0.4s;
  cursor: pointer;
  background: transparent;
  font-family: 'Noto Serif SC', serif;
  min-height: 44px;
}
.btn-gold:hover {
  background: var(--gold);
  color: var(--bg);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  animation: scrollHint 2s ease-in-out infinite;
}
.hero-scroll span {
  width: 1px;
  height: 6px;
  background: var(--gold);
  opacity: 0.4;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}


/* ================================================================
   SHARED SECTION STYLES
   ================================================================ */
.section { padding: 120px 40px; }
.section-container { max-width: 1100px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 80px; }
.section-tag {
  font-size: 14px;
  letter-spacing: 6px;
  color: var(--gold);
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  color: var(--white);
  letter-spacing: 6px;
  margin-bottom: 20px;
}
.gold-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto;
  position: relative;
}
.gold-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: var(--gold);
  rotate: 45deg;
}

.section-intro {
  text-align: center;
  max-width: 700px;
  margin: -40px auto 60px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 2;
  letter-spacing: 1px;
}


/* ================================================================
   STORY SECTION (品牌故事)
   ================================================================ */
.story-content { max-width: 800px; margin: 0 auto; }
.story-image {
  width: 100%;
  max-width: 400px;
  margin: 0 auto 48px;
  border: 1px solid rgba(201,160,64,0.2);
  overflow: hidden;
  background: #1a1a1a;
}
.story-image img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s;
}
.story-image:hover img { transform: scale(1.05); }

.story-text { margin-bottom: 60px; }
.story-text p {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 20px;
  text-align: center;
  line-height: 2;
}

/* Founder Message */
.founder-message,
.brand-vision {
  max-width: 720px;
  margin: 0 auto 60px;
  padding: 48px 40px;
  border: 1px solid rgba(201,160,64,0.15);
  background: rgba(201,160,64,0.03);
  position: relative;
}
.founder-message::before {
  content: '\201C';
  position: absolute;
  top: 20px;
  left: 30px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 80px;
  color: var(--gold);
  opacity: 0.2;
  line-height: 1;
}
.founder-header,
.vision-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.founder-dot,
.vision-dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.founder-header h3,
.vision-header h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  color: var(--white);
  letter-spacing: 3px;
}
.founder-header .founder-en,
.vision-header .vision-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 4px;
  margin-left: auto;
}
.founder-message blockquote,
.brand-vision blockquote {
  font-family: 'Noto Serif SC', serif;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 2.2;
  border-left: 1px solid var(--gold);
  padding-left: 24px;
  font-style: normal;
  margin: 0;
}
.founder-signature {
  text-align: right;
  margin-top: 20px;
  font-family: 'Noto Serif SC', serif;
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 2px;
}
.brand-vision ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}
.brand-vision ul li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
  padding-left: 20px;
  position: relative;
}
.brand-vision ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 5px;
  height: 5px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* Values */
.story-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.value-item {
  text-align: center;
  padding: 40px 20px;
  border: 1px solid rgba(201,160,64,0.15);
  transition: all 0.4s;
}
.value-item:hover {
  border-color: var(--gold);
  background: rgba(201,160,64,0.04);
}
.value-icon {
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 16px;
}
.value-item h3 {
  font-size: 18px;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.value-item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}


/* ================================================================
   COLLECTIONS SECTION (系列臻品)
   ================================================================ */
.collections { background: var(--bg-2); }
.collection-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.collection-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,160,64,0.1);
  overflow: hidden;
  transition: all 0.4s;
}
.collection-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card-image {
  height: 280px;
  overflow: hidden;
  position: relative;
  background: #1a1a1a;
}
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.collection-card:hover .card-image img { transform: scale(1.08); }

.collection-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  padding: 5px 14px;
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--white);
  border: 1px solid var(--gold);
  background: rgba(201,160,64,0.25);
  backdrop-filter: blur(4px);
  font-family: 'Noto Serif SC', serif;
}
.collection-badge.classic { border-color: #C9A040; color: #E8D5A8; }
.collection-badge.popular { border-color: #D4856B; color: #F0C8B4; }
.collection-badge.premium { border-color: #A070C0; color: #D0B8E8; }
.collection-badge.daily   { border-color: #7AAD8A; color: #B8D8C0; }

.card-info { padding: 28px 24px; text-align: center; }
.card-info h3 {
  font-size: 18px;
  color: var(--white);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.card-info .card-series {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 6px;
  font-family: 'Cormorant Garamond', serif;
}
.card-divider {
  width: 30px;
  height: 1px;
  background: var(--gold);
  margin: 14px auto;
  opacity: 0.5;
}
.card-desc-long {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 16px;
  text-align: left;
}
.card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.card-features span {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  color: var(--gold-light);
  border: 1px solid rgba(201,160,64,0.2);
  border-radius: 2px;
  letter-spacing: 1px;
}


/* ================================================================
   CRAFT SECTION (匠心工艺 2×2)
   ================================================================ */
.craft-grid-new {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.craft-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,160,64,0.1);
  overflow: hidden;
  transition: all 0.4s ease;
}
.craft-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.craft-card-image {
  position: relative;
  height: 320px;
  overflow: hidden;
  background: #1a1a1a;
}
.craft-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.craft-card:hover .craft-card-image img { transform: scale(1.06); }

.craft-number-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 72px;
  color: var(--white);
  opacity: 0.25;
  line-height: 1;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
  pointer-events: none;
}
.craft-card-body { padding: 36px 32px; }
.craft-card-body h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 20px;
  color: var(--white);
  letter-spacing: 3px;
  margin-bottom: 4px;
}
.craft-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 4px;
  margin-bottom: 18px;
}
.craft-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}


/* ================================================================
   TESTIMONIALS SECTION (客户心声)
   ================================================================ */
.testimonials { background: var(--bg-2); }
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.testimonial-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,160,64,0.1);
  padding: 40px 32px;
  transition: all 0.3s ease;
  position: relative;
}
.testimonial-card:hover {
  border-color: var(--gold);
  background: rgba(201,160,64,0.03);
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px;
  left: 24px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 56px;
  color: var(--gold);
  opacity: 0.15;
  line-height: 1;
}
.testimonial-stars {
  color: var(--gold);
  letter-spacing: 2px;
  font-size: 14px;
  margin-bottom: 16px;
}
.testimonial-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  color: var(--white);
  flex-shrink: 0;
}
.author-info h4 {
  font-size: 14px;
  color: var(--white);
  letter-spacing: 2px;
  margin-bottom: 2px;
}
.author-info span {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
}


/* ================================================================
   FAQ SECTION (常见问题)
   ================================================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid rgba(201,160,64,0.12);
  margin-bottom: 12px;
  background: var(--bg-card);
  transition: all 0.3s ease;
}
.faq-item:hover { border-color: rgba(201,160,64,0.3); }
.faq-item.active {
  border-color: var(--gold);
  background: rgba(201,160,64,0.04);
}
.faq-question {
  width: 100%;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  letter-spacing: 2px;
  text-align: left;
  transition: color 0.3s;
  min-height: 44px;
}
.faq-question:hover { color: var(--gold); }
.faq-item.active .faq-question { color: var(--gold); }
.faq-icon {
  font-size: 20px;
  color: var(--gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
  width: 24px;
  text-align: center;
  line-height: 1;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 28px 24px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 2;
}


/* ================================================================
   CONTACT SECTION (联系我们)
   ================================================================ */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-item { margin-bottom: 32px; }
.contact-item h3 {
  font-size: 16px;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.contact-item p {
  font-size: 14px;
  color: var(--text-muted);
}
.contact-form {
  background: var(--bg-card);
  padding: 40px;
  border: 1px solid rgba(201,160,64,0.15);
}
.contact-form h3 {
  font-size: 22px;
  color: var(--white);
  letter-spacing: 4px;
  margin-bottom: 28px;
  text-align: center;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 16px;
  background: var(--bg);
  border: 1px solid rgba(201,160,64,0.2);
  color: var(--text);
  font-size: 14px;
  font-family: 'Noto Sans SC', sans-serif;
  transition: border-color 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.contact-form textarea {
  resize: vertical;
  min-height: 100px;
}
.contact-form .btn-gold {
  width: 100%;
  text-align: center;
}

.form-msg {
  text-align: center;
  margin-top: 12px;
  font-size: 13px;
}
.form-msg.success { color: #7AAD8A; }
.form-msg.error   { color: #D4856B; }


/* ================================================================
   FOOTER (四列布局)
   ================================================================ */
.footer-new {
  background: var(--bg-2);
  border-top: 1px solid rgba(201,160,64,0.15);
  padding: 60px 40px 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-col h4 {
  font-family: 'Noto Serif SC', serif;
  font-size: 16px;
  color: var(--white);
  letter-spacing: 3px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 1px;
  background: var(--gold);
}
.footer-brand-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-brand-info .footer-logo-sm {
  width: 40px;
  height: 40px;
}
.footer-brand-info span {
  font-family: 'Noto Serif SC', serif;
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 3px;
}
.footer-col p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 2;
  margin-bottom: 20px;
}
.footer-social {
  display: flex;
  gap: 16px;
}
.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(201,160,64,0.25);
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s;
  border-radius: 50%;
}
.footer-social a:hover {
  background: var(--gold);
  color: var(--bg);
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 1px;
  transition: color 0.3s;
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-qr {
  width: 120px;
  height: 120px;
  background: var(--bg-card);
  border: 1px solid rgba(201,160,64,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-qr-inner {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 1px;
}
.footer-qr-inner svg {
  display: block;
  margin: 0 auto 8px;
  opacity: 0.4;
}
.footer-hours {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 2;
}
.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(201,160,64,0.08);
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(160,152,136,0.5);
  letter-spacing: 1px;
}


/* ================================================================
   SCROLL REVEAL ANIMATION BASE
   ================================================================ */
.collection-card,
.craft-card,
.testimonial-card,
.faq-item,
.founder-message,
.brand-vision,
.value-item,
.story-text p {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}


/* ================================================================
   RESPONSIVE — TABLET (≤1024px)
   ================================================================ */
@media (max-width: 1024px) {
  .section { padding: 100px 32px; }
  .section-header { margin-bottom: 60px; }

  .nav-container { padding: 0 24px; }

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

  .craft-grid-new { gap: 20px; }

  .contact-content { gap: 40px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}


/* ================================================================
   RESPONSIVE — MOBILE (≤768px)           核心手机端优化
   ================================================================ */
@media (max-width: 768px) {
  /* ---- Navigation: Hamburger ---- */
  .hamburger { display: flex; }

  .nav-container { padding: 0 16px; height: 64px; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(18,18,18,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease, border-color 0.4s ease;
    border-bottom: 1px solid transparent;
    padding: 0;
    display: flex;         /* override any display:none */
    z-index: 999;
  }
  .nav-links.active {
    max-height: 520px;
    padding: 8px 0;
    border-bottom-color: rgba(201,160,64,0.2);
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    font-size: 16px;
    text-align: center;
    min-height: 44px;
    line-height: 1.2;
  }
  .nav-links a::after { display: none; }

  /* ---- Shared Sections ---- */
  .section { padding: 60px 16px; }
  .section-header { margin-bottom: 40px; }
  .section-header h2 { font-size: 26px; letter-spacing: 4px; }
  .section-tag { font-size: 12px; letter-spacing: 4px; }
  .section-intro { margin: -20px auto 32px; font-size: 13px; }

  /* ---- Hero ---- */
  .hero-content { padding: 0 16px; }
  .hero-logo { width: 72px; height: 72px; margin-bottom: 18px; }
  .hero-title { font-size: clamp(28px, 10vw, 40px); letter-spacing: 6px; }
  .hero-subtitle { font-size: 12px; letter-spacing: 5px; margin-bottom: 10px; }
  .hero-desc { font-size: 13px; letter-spacing: 3px; margin-bottom: 32px; }
  .hero-scroll { bottom: 24px; }

  .btn-gold {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    padding: 13px 24px;
    font-size: 13px;
    letter-spacing: 3px;
    text-align: center;
  }

  /* ---- Story ---- */
  .story-image { max-width: 100%; margin-bottom: 32px; }
  .story-image img { height: 220px; }
  .story-text { margin-bottom: 36px; }
  .story-text p { font-size: 14px; margin-bottom: 14px; }

  .story-values { grid-template-columns: 1fr; gap: 16px; }
  .value-item { padding: 28px 20px; }
  .value-item h3 { font-size: 16px; }
  .value-item p { font-size: 13px; }

  .founder-message,
  .brand-vision { margin-bottom: 36px; padding: 28px 18px; }
  .founder-message::before { top: 10px; left: 14px; font-size: 48px; }
  .founder-header h3,
  .vision-header h3 { font-size: 17px; letter-spacing: 2px; }
  .founder-header .founder-en,
  .vision-header .vision-en { font-size: 11px; letter-spacing: 2px; }
  .founder-message blockquote,
  .brand-vision blockquote { font-size: 13px; line-height: 2; padding-left: 14px; }
  .founder-signature { font-size: 12px; }
  .brand-vision ul li { font-size: 13px; line-height: 1.8; padding-left: 16px; }
  .brand-vision ul li::before { top: 9px; width: 4px; height: 4px; }

  /* ---- Collections ---- */
  .collection-grid { grid-template-columns: 1fr; gap: 20px; }
  .card-image { height: 220px; }
  .card-info { padding: 24px 18px; }
  .card-info h3 { font-size: 17px; letter-spacing: 2px; }
  .card-desc-long { font-size: 12px; line-height: 1.85; }
  .collection-badge { top: 10px; right: 10px; padding: 4px 10px; font-size: 10px; letter-spacing: 1px; }
  .card-features { gap: 6px; }
  .card-features span { padding: 3px 8px; font-size: 10px; }

  /* ---- Craft ---- */
  .craft-grid-new { grid-template-columns: 1fr; gap: 20px; }
  .craft-card-image { height: 200px; }
  .craft-card-body { padding: 24px 18px; }
  .craft-card-body h3 { font-size: 18px; letter-spacing: 2px; }
  .craft-number-overlay { font-size: 48px; bottom: 10px; left: 14px; }
  .craft-desc { font-size: 13px; line-height: 1.85; }
  .craft-en { font-size: 11px; letter-spacing: 3px; margin-bottom: 12px; }

  /* ---- Testimonials ---- */
  .testimonial-grid { grid-template-columns: 1fr; gap: 20px; }
  .testimonial-card { padding: 28px 20px; }
  .testimonial-card::before { top: 10px; left: 16px; font-size: 44px; }
  .testimonial-text { font-size: 13px; line-height: 1.85; }
  .testimonial-stars { font-size: 13px; margin-bottom: 12px; }
  .testimonial-author { justify-content: flex-start; }
  .author-avatar { width: 40px; height: 40px; font-size: 14px; }

  /* ---- FAQ ---- */
  .faq-list { max-width: 100%; }
  .faq-item { margin-bottom: 8px; }
  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
    letter-spacing: 1px;
    min-height: 44px;
  }
  .faq-icon { margin-left: 12px; font-size: 18px; width: 20px; }
  .faq-item.active .faq-answer { padding: 0 18px 18px; }
  .faq-answer p { font-size: 13px; line-height: 1.85; }

  /* ---- Contact ---- */
  .contact-content { grid-template-columns: 1fr; gap: 32px; }
  .contact-form { padding: 28px 18px; }
  .contact-form h3 { font-size: 20px; letter-spacing: 3px; margin-bottom: 20px; }
  .contact-form input,
  .contact-form textarea { padding: 13px 14px; font-size: 13px; }
  .contact-item { margin-bottom: 20px; }
  .contact-item h3 { font-size: 15px; }
  .contact-item p { font-size: 13px; }

  /* ---- Footer ---- */
  .footer-new { padding: 40px 16px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-col h4 { font-size: 14px; letter-spacing: 2px; margin-bottom: 16px; padding-bottom: 8px; }
  .footer-brand-info span { font-size: 16px; }
  .footer-col p { font-size: 12px; margin-bottom: 14px; }
  .footer-social { gap: 12px; }
  .footer-social a {
    width: 44px;
    height: 44px;
    font-size: 14px;
  }
  .footer-col ul li { margin-bottom: 6px; }
  .footer-col ul li a { font-size: 12px; }
  .footer-qr { width: 100px; height: 100px; }
  .footer-bottom { margin-top: 24px; padding-top: 16px; }
  .footer-bottom p { font-size: 11px; }

  /* ---- General: ensure inputs are full-width ---- */
  .contact-form input { width: 100%; }
  .contact-form textarea { width: 100%; }
}


/* ================================================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ================================================================ */
@media (max-width: 480px) {
  .section { padding: 48px 14px; }
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 22px; letter-spacing: 3px; }
  .section-tag { font-size: 11px; letter-spacing: 3px; }

  /* Nav */
  .nav-container { height: 56px; }
  .nav-links { top: 56px; }
  .logo-img { width: 32px; height: 32px; }
  .logo-text { font-size: 17px; letter-spacing: 1px; }
  .nav-links a { font-size: 15px; padding: 14px 20px; }

  /* Hero */
  .hero-logo { width: 56px; height: 56px; margin-bottom: 12px; }
  .hero-title { font-size: 26px; letter-spacing: 4px; }
  .hero-subtitle { font-size: 11px; letter-spacing: 3px; }
  .hero-desc { font-size: 12px; letter-spacing: 2px; margin-bottom: 24px; }
  .btn-gold { padding: 12px 20px; font-size: 12px; letter-spacing: 2px; }

  /* Story */
  .story-image img { height: 180px; }
  .story-text p { font-size: 13px; }
  .founder-message,
  .brand-vision { padding: 22px 14px; margin-bottom: 28px; }
  .founder-message::before { font-size: 38px; top: 6px; left: 8px; }
  .founder-header,
  .vision-header { gap: 8px; margin-bottom: 16px; }
  .founder-header h3,
  .vision-header h3 { font-size: 15px; }
  .founder-message blockquote,
  .brand-vision blockquote { font-size: 12px; padding-left: 10px; }
  .brand-vision ul li { font-size: 12px; padding-left: 14px; line-height: 1.7; }
  .value-item { padding: 24px 16px; }
  .value-icon { font-size: 24px; }
  .value-item h3 { font-size: 15px; }

  /* Collections */
  .collection-grid { gap: 14px; }
  .card-image { height: 180px; }
  .card-info { padding: 18px 14px; }
  .card-info h3 { font-size: 15px; }
  .card-desc-long { font-size: 11px; }

  /* Craft */
  .craft-grid-new { gap: 14px; }
  .craft-card-image { height: 160px; }
  .craft-card-body { padding: 18px 14px; }
  .craft-card-body h3 { font-size: 16px; }
  .craft-desc { font-size: 12px; }
  .craft-number-overlay { font-size: 36px; bottom: 6px; left: 10px; }

  /* Testimonials */
  .testimonial-grid { gap: 14px; }
  .testimonial-card { padding: 24px 16px; }
  .testimonial-card::before { font-size: 36px; top: 6px; left: 10px; }
  .testimonial-text { font-size: 12px; }
  .testimonial-stars { font-size: 12px; }

  /* FAQ */
  .faq-question { padding: 14px 14px; font-size: 13px; }
  .faq-item.active .faq-answer { padding: 0 14px 14px; }
  .faq-answer p { font-size: 12px; }

  /* Contact */
  .contact-content { gap: 24px; }
  .contact-form { padding: 22px 14px; }
  .contact-form h3 { font-size: 18px; margin-bottom: 16px; }
  .contact-form input,
  .contact-form textarea { padding: 11px 12px; font-size: 13px; min-height: 44px; }
  .contact-item h3 { font-size: 14px; }
  .contact-item p { font-size: 12px; }

  /* Footer — stack to single column */
  .footer-new { padding: 32px 14px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-col h4 { font-size: 13px; margin-bottom: 12px; padding-bottom: 8px; }
  .footer-social { gap: 12px; }
  .footer-social a { width: 44px; height: 44px; }
  .footer-col ul li a { min-height: 36px; display: flex; align-items: center; }
  .footer-qr { width: 88px; height: 88px; }
  .footer-bottom p { font-size: 10px; }
}