/* ============================================================
   ILOVE — 在线电商站点样式
   设计理念：自然、真实、有人工设计质感
   避免模板化痕迹，追求编辑级排版品质
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* 色彩 */
  --color-primary: #1e1e1e;
  --color-accent: #8B5E3C;
  --color-accent-light: #C49A6C;
  --color-accent-bg: #F5EDE3;
  --color-bg: #FAFAF8;
  --color-surface: #FFFFFF;
  --color-text: #1e1e1e;
  --color-text-muted: #767676;
  --color-text-light: #A0A0A0;
  --color-border: #E8E5E0;
  --color-border-light: #F0EDEA;

  /* 排版 */
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: Georgia, "Noto Serif SC", "STSong", "SimSun", serif;
  --font-en: "Helvetica Neue", Arial, sans-serif;

  /* 间距 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --space-2xl: 120px;

  /* 容器 */
  --container-max: 1280px;
  --container-narrow: 960px;

  /* 圆角 */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;

  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s ease;
  --transition-slow: 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  letter-spacing: 0.02em;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Helper Classes ---------- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-md); }
.container--narrow { max-width: var(--container-narrow); }
.section { padding: var(--space-2xl) 0; }
.section--tight { padding: var(--space-xl) 0; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0);
}

/* ---------- Typography ---------- */
.page-title {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.page-subtitle {
  font-family: var(--font-en);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-heading {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-xs);
}

.section-subheading {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 640px;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: 0.8rem; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
  height: 72px;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.brand-logo img { height: 36px; width: auto; }

.brand-logo .brand-name {
  font-family: var(--font-en);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

/* Desktop Navigation */
.nav-main {
  display: flex;
  gap: 2.5rem;
  align-items: center;
}

.nav-main a {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  position: relative;
  padding: 4px 0;
}

.nav-main a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-main a:hover::after,
.nav-main a.active::after { width: 100%; }

.nav-main a.active { color: var(--color-accent); }

/* ---------- Header User Actions (Login/Register) ---------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: var(--space-lg);
}

.header-actions .btn--login,
.header-actions a.btn--login {
  padding: 6px 16px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.03em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-actions .btn--login:hover,
.header-actions a.btn--login:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.header-actions .btn--register,
.header-actions a.btn--register {
  padding: 6px 16px;
  font-size: 0.78rem;
  color: #fff;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.03em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header-actions .btn--register:hover,
.header-actions a.btn--register:hover {
  background: #6B4630;
}

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

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--color-primary);
  transition: all var(--transition-base);
  border-radius: 1px;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  padding: var(--space-lg) var(--space-md);
  flex-direction: column;
  gap: var(--space-md);
  z-index: 999;
}

.mobile-menu.open { display: flex; }

.mobile-menu a {
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border-light);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-brand p {
  margin-top: var(--space-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
}

.footer-column h4 {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #fff;
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.footer-column a {
  display: block;
  padding: 4px 0;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
  font-size: 0.82rem;
}

.footer-column a:hover { color: var(--color-accent-light); }

.footer-bottom {
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}

.btn--primary:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover { background: var(--color-primary); color: #fff; }

.btn--outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}

.btn--outline-light:hover { background: #fff; color: var(--color-primary); }

.btn--accent {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.btn--accent:hover { background: #6B4630; border-color: #6B4630; }

.btn--sm { padding: 8px 20px; font-size: 0.75rem; }

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-surface);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.95);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.85) 0%,
    rgba(255,255,255,0.4) 50%,
    rgba(255,255,255,0.05) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 520px;
  padding: 0 var(--space-md);
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  display: block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

/* Hero slider dots */
.hero-dots {
  display: flex;
  gap: 8px;
  position: absolute;
  bottom: 48px;
  left: var(--space-md);
  z-index: 2;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
}

.hero-dot.active { width: 24px; background: var(--color-accent); }

/* ---------- Product Grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base);
  cursor: pointer;
}

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

.product-card__image {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--color-accent-bg);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img { transform: scale(1.04); }

/* Quick action hover */
.product-card__action {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  opacity: 0;
  transition: all var(--transition-base);
}

.product-card:hover .product-card__action {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.product-card__action .btn {
  padding: 8px 24px;
  font-size: 0.75rem;
  background: rgba(255,255,255,0.95);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.product-card__info { padding: var(--space-sm); }

.product-card__name {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 4px;
}

.product-card__price {
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--color-accent);
  font-weight: 500;
}

/* ---------- Category Filter Bar ---------- */
.filter-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
}

.filter-tag {
  padding: 8px 20px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface);
}

.filter-tag:hover,
.filter-tag.active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-bg);
}

/* ---------- About Page ---------- */
.about-hero { position: relative; padding-top: 160px; padding-bottom: var(--space-2xl); }

.about-hero__image {
  position: relative;
  aspect-ratio: 16/7;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
}

.about-hero__image img { width: 100%; height: 100%; object-fit: cover; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-image {
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.about-image img { width: 100%; height: 100%; object-fit: cover; }

/* Brand values */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.value-card {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.value-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  background: var(--color-accent-bg);
  border-radius: 50%;
  font-size: 1.3rem;
  color: var(--color-accent);
}

.value-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.value-card p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.7; }

/* ---------- News / Paid Content ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.news-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-base);
  cursor: pointer;
}

.news-card:hover { transform: translateY(-2px); }

.news-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card__image img { transform: scale(1.04); }

/* Paid content lock overlay */
.news-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  transition: opacity var(--transition-base);
  cursor: pointer;
}

.news-card:hover .news-card__image::after { opacity: 1; }

.news-card__image .lock-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  font-size: 2rem;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.news-card:hover .news-card__image .lock-icon { opacity: 1; }

.news-card__badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 0.04em;
}

.news-card__body { padding: var(--space-md); }

.news-card__date {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  display: block;
}

.news-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: var(--space-xs);
}

.news-card__excerpt {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* News list variant */
.news-list-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: center;
  cursor: pointer;
}

.news-list-item__date {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 80px;
  padding-top: 4px;
}

.news-list-item__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  flex: 1;
}

.news-list-item__lock {
  font-size: 0.85rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---------- Contact Page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.contact-item {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-item__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-bg);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.contact-item__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 2px;
}

.contact-item__value { font-size: 0.92rem; color: var(--color-text); }

/* Contact Form */
.contact-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  border: 1px solid var(--color-border-light);
}

.form-group { margin-bottom: var(--space-md); }

.form-label {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus { outline: none; border-color: var(--color-accent); }

.form-textarea { min-height: 120px; }

.form-errors {
  padding: var(--space-sm);
  background: #FDF2F2;
  border-radius: var(--radius-md);
  color: #B91C1C;
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.form-success {
  padding: var(--space-sm);
  background: #F0FDF4;
  border-radius: var(--radius-md);
  color: #15803D;
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.form-success a { color: var(--color-accent); text-decoration: underline; }

/* ---------- Stats Counter ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.stat-item {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.stat-number {
  font-family: var(--font-en);
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1;
}

.stat-suffix { font-size: 1rem; font-weight: 300; }

.stat-label { font-size: 0.82rem; color: var(--color-text-muted); margin-top: var(--space-xs); }

/* ---------- Service Features ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  text-align: center;
}

.feature-card__icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.feature-card p { font-size: 0.85rem; color: var(--color-text-muted); line-height: 1.7; }

/* ---------- Product Detail ---------- */
.product-detail { padding-top: 140px; padding-bottom: var(--space-2xl); }

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.product-detail__gallery { position: sticky; top: 100px; }

.product-detail__main-image {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-accent-bg);
}

.product-detail__main-image img { width: 100%; height: 100%; object-fit: cover; }

.product-detail__info { padding-top: var(--space-md); }

.product-detail__category {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.product-detail__name {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.product-detail__price {
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.product-detail__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.product-detail__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.product-detail__meta-item {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.85rem;
}

.product-detail__meta-item span:first-child { color: var(--color-text-muted); min-width: 60px; }

/* ---------- Page Header (Inner Pages) ---------- */
.page-header {
  padding-top: 140px;
  padding-bottom: var(--space-xl);
  text-align: center;
}

.page-header .page-subtitle { margin-bottom: var(--space-xs); }
.page-header .page-title { margin-bottom: var(--space-sm); }

.page-header__breadcrumb {
  font-size: 0.78rem;
  color: var(--color-text-light);
  display: flex;
  gap: 8px;
  justify-content: center;
}

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

/* ---------- Section Divider ---------- */
.section-header { text-align: center; margin-bottom: var(--space-xl); }
.section-header .section-subheading { margin-bottom: var(--space-xs); }

/* ---------- Brand Banner ---------- */
.brand-banner {
  padding: var(--space-2xl) 0;
  background: var(--color-accent-bg);
  text-align: center;
}

.brand-banner__tagline {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-primary);
  max-width: 700px;
  margin: 0 auto var(--space-md);
}

/* ---------- Image Text Split ---------- */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: center;
  min-height: 500px;
}

.split-section__image { height: 100%; min-height: 500px; overflow: hidden; }
.split-section__image img { width: 100%; height: 100%; object-fit: cover; }
.split-section__content { padding: var(--space-2xl) var(--space-xl); max-width: 520px; }

.split-section__content h3 {
  font-family: var(--font-en);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.split-section__content h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.split-section__content p { font-size: 0.92rem; color: var(--color-text-muted); line-height: 1.8; }

/* ---------- Store / Location ---------- */
.store-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.store-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}

.store-card__image { aspect-ratio: 16/9; overflow: hidden; }
.store-card__image img { width: 100%; height: 100%; object-fit: cover; }
.store-card__info { padding: var(--space-md); }

.store-card__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: var(--space-xs);
}

.store-card__address { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.6; }

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 900;
  cursor: pointer;
}

.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--color-accent); }

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ---------- Loading Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg, var(--color-border-light) 25%, var(--color-bg) 50%, var(--color-border-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================================================
   Modal / Overlay System
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-overlay.open {
  display: flex;
  animation: fadeOverlay 0.3s ease;
}

@keyframes fadeOverlay {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: var(--space-lg);
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  animation: slideUp 0.35s ease;
  max-height: 90vh;
  overflow-y: auto;
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover { background: var(--color-border); color: var(--color-text); }

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  text-align: center;
  margin-bottom: var(--space-xs);
}

.modal-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* Payment QR Code Tabs */
.payment-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.payment-tab {
  flex: 1;
  padding: 10px 0;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  background: none;
}

.payment-tab:hover { color: var(--color-text); }
.payment-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.payment-qrcode {
  text-align: center;
  padding: var(--space-md) 0;
  display: none;
}

.payment-qrcode.active { display: block; }

.payment-qrcode img {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 8px;
  object-fit: contain;
}

.payment-qrcode .qrcode-hint {
  font-size: 0.78rem;
  color: var(--color-accent);
  margin-top: var(--space-xs);
}

.payment-qrcode .qrcode-config {
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.payment-qrcode .qrcode-config p {
  margin-bottom: 6px;
  line-height: 1.6;
}

.payment-info {
  text-align: center;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.payment-info p { line-height: 1.8; }

/* Login Form in Modal */
.login-form { padding: 0 var(--space-sm); }

.login-form .form-group { margin-bottom: var(--space-md); }

.login-form .form-input {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.login-form .form-input:focus { outline: none; border-color: var(--color-accent); }

.login-form .btn { width: 100%; margin-top: var(--space-sm); }

.login-form__footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

.login-form__footer a { color: var(--color-accent); cursor: pointer; }
.login-form__footer a:hover { text-decoration: underline; }

/* ---------- Account / Member Center ---------- */
.account-page { padding-top: 140px; padding-bottom: var(--space-2xl); }

.account-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-xl);
  align-items: start;
}

/* Sidebar */
.account-sidebar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  position: sticky;
  top: 100px;
}

.account-avatar {
  text-align: center;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  background: var(--color-accent-bg);
}

.account-avatar__circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.account-avatar__name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
}

.account-avatar__meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Sidebar nav */
.account-nav { padding: var(--space-sm); }

.account-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: 2px;
}

.account-nav a i { width: 18px; text-align: center; font-size: 0.9rem; }

.account-nav a:hover { color: var(--color-text); background: var(--color-bg); }

.account-nav a.active {
  color: var(--color-accent);
  background: var(--color-accent-bg);
  font-weight: 500;
}

/* Main content */
.account-main {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-lg);
  min-height: 400px;
}

.account-panel { display: none; }
.account-panel.active { display: block; }

.account-panel__title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
}

/* Info display row */
.info-row {
  display: flex;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.info-row:last-child { border-bottom: none; }

.info-row__label {
  width: 80px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.info-row__value {
  flex: 1;
  font-size: 0.92rem;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

.info-row__value.editable { cursor: pointer; }
.info-row__value.editable:hover { background: var(--color-accent-bg); }

/* Inline edit */
.info-row__input {
  flex: 1;
  padding: 6px 10px;
  font-size: 0.92rem;
  font-family: inherit;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
}

.info-row__actions { flex-shrink: 0; }

.info-row__actions .btn--sm { margin-left: 8px; }

/* Form in account panel */
.account-form { max-width: 400px; }

.account-form .form-group { margin-bottom: var(--space-md); }

.account-form .form-label {
  display: block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}

.account-form .form-input {
  width: 100%;
  padding: 11px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.account-form .form-input:focus { outline: none; border-color: var(--color-accent); }

/* Purchased articles list */
.purchased-list { }

.purchased-item {
  display: flex;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  gap: var(--space-md);
}

.purchased-item:last-child { border-bottom: none; }

.purchased-item__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-bg);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: 0.85rem;
}

.purchased-item__info { flex: 1; min-width: 0; }

.purchased-item__title {
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.purchased-item__meta {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.purchased-item__price {
  font-family: var(--font-en);
  font-size: 0.85rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--color-text-muted);
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--color-border);
  margin-bottom: var(--space-sm);
  display: block;
}

.empty-state p { font-size: 0.9rem; }

.empty-state a {
  color: var(--color-accent);
  text-decoration: underline;
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .header-actions { margin-left: var(--space-md); }
}

@media (max-width: 1024px) {
  :root {
    --space-xl: 60px;
    --space-2xl: 80px;
  }

  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.4rem; }
  .product-detail__grid { grid-template-columns: 1fr; }
  .product-detail__gallery { position: static; }
  .nav-main { gap: 1.8rem; }
  .header-actions { margin-left: var(--space-sm); }
  .header-actions .btn--login,
  .header-actions .btn--register { padding: 6px 12px; font-size: 0.75rem; }
}

@media (max-width: 768px) {
  .nav-main { display: none; }
  .header-actions { display: none; }
  .nav-toggle { display: flex; }

  .account-layout { grid-template-columns: 1fr; }
  .account-sidebar { position: static; }
  .account-page { padding-top: 120px; }

  .hero-title { font-size: 2rem; }
  .hero { min-height: 80vh; }

  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .news-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
  .about-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }

  .split-section { grid-template-columns: 1fr; }
  .split-section__image { min-height: 280px; }
  .split-section__content { padding: var(--space-lg) var(--space-md); }

  .store-grid { grid-template-columns: 1fr; }
  .section { padding: var(--space-xl) 0; }
  .page-header { padding-top: 120px; }
  .footer-bottom { flex-direction: column; gap: var(--space-xs); text-align: center; }

  .modal-dialog { padding: var(--space-md); }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .hero-title { font-size: 1.6rem; }
  .hero-desc { font-size: 0.88rem; }
}