/* ==========================================================================
   元楷服饰 (YUANKAI APPAREL) - 核心设计系统与样式表
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=Montserrat:wght@200;300;400;500;600&family=Noto+Serif+SC:wght@300;400;500;600;700&display=swap');

/* --- CSS 变量与设计令牌 --- */
:root {
  --color-bg-primary: #FAF9F5;
  --color-bg-secondary: #F2EFE9;
  --color-bg-card: #FFFFFF;
  --color-bg-dark: #121110;
  --color-bg-dark-card: #1C1B19;
  
  --color-text-main: #181716;
  --color-text-muted: #6B6760;
  --color-text-light: #9E988E;
  --color-text-inverse: #FAF9F5;
  --color-text-inverse-muted: #A8A297;
  
  --color-border: rgba(24, 23, 22, 0.09);
  --color-border-dark: rgba(250, 249, 245, 0.12);
  --color-border-active: #181716;
  
  --color-accent: #8E775B;
  --color-accent-hover: #735F47;
  --color-accent-soft: rgba(142, 119, 91, 0.08);

  --font-serif-en: 'Cormorant Garamond', 'Cinzel', Georgia, serif;
  --font-sans-en: 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif-cn: 'Noto Serif SC', 'Songti SC', 'Source Han Serif SC', 'STSong', serif;
  --font-sans-cn: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --transition-fast: 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  --transition-normal: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.85s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.03);
  --shadow-float: 0 12px 36px rgba(0, 0, 0, 0.08);
  --shadow-modal: 0 24px 60px rgba(0, 0, 0, 0.25);

  --container-max-width: 1400px;
  --container-reading-width: 880px;
  --header-height: 80px;
}

/* --- 全局重置与基础设定 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans-cn);
  background-color: var(--color-bg-primary);
  color: var(--color-text-main);
  line-height: 1.7;
  font-weight: 300;
  overflow-x: hidden;
  letter-spacing: 0.02em;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

/* --- 容器与通用排版类 --- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 5vw, 60px);
  padding-right: clamp(20px, 5vw, 60px);
}

.container-narrow {
  max-width: var(--container-reading-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 40px);
  padding-right: clamp(20px, 4vw, 40px);
}

/* --- 标题与字型系统 --- */
.font-serif {
  font-family: var(--font-serif-cn);
}

.font-en-serif {
  font-family: var(--font-serif-en);
}

.font-en-sans {
  font-family: var(--font-sans-en);
}

.section-tag {
  font-family: var(--font-sans-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: inline-block;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--color-text-main);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  color: var(--color-text-muted);
  font-weight: 300;
  max-width: 640px;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.section-padding {
  padding-top: clamp(60px, 8vw, 120px);
  padding-bottom: clamp(60px, 8vw, 120px);
}

.section-padding-top {
  padding-top: clamp(60px, 8vw, 120px);
}

.section-padding-bottom {
  padding-bottom: clamp(60px, 8vw, 120px);
}

/* --- 按钮与交互徽章 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  font-family: var(--font-sans-cn);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  border-radius: 0px;
}

.btn-primary {
  background-color: var(--color-text-main);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-text-main);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-main);
  border: 1px solid var(--color-text-main);
}

.btn-secondary:hover {
  background-color: var(--color-text-main);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-text-main);
  border: 1px solid #FFFFFF;
}

.btn-white:hover {
  background-color: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.btn-link {
  padding: 0.5rem 0;
  color: var(--color-text-main);
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.btn-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.btn-link:hover::after {
  transform: scaleX(1);
}

.btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon,
.btn-link:hover .btn-icon {
  transform: translateX(4px);
}

/* ==========================================================================
   导航头部 (Site Header)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), height var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  height: 70px;
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.site-header.transparent-mode:not(.scrolled) {
  background-color: transparent;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.brand-logo img {
  height: 38px;
  width: auto;
  transition: opacity var(--transition-fast);
}

.brand-logo:hover {
  opacity: 0.85;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.nav-link {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  color: var(--color-text-main);
  position: relative;
  padding: 0.5rem 0;
  font-weight: 400;
}

.nav-link .link-en {
  display: block;
  font-family: var(--font-sans-en);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-text-light);
  text-transform: uppercase;
  margin-top: -2px;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0%;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: all var(--transition-fast);
  transform: translateX(-50%);
}

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

.nav-link:hover .link-en,
.nav-link.active .link-en {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-header-contact {
  padding: 0.55rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  border: 1px solid var(--color-text-main);
  transition: all var(--transition-fast);
}

.btn-header-contact:hover {
  background-color: var(--color-text-main);
  color: var(--color-text-inverse);
}

/* 汉堡菜单按钮 (移动端) */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 6px;
  z-index: 1100;
}

.hamburger-line {
  width: 24px;
  height: 1.5px;
  background-color: var(--color-text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-menu-toggle.open .hamburger-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-menu-toggle.open .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.open .hamburger-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* 移动端抽屉菜单 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg-primary);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 100px 30px 40px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.mobile-nav-link {
  font-family: var(--font-serif-cn);
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  color: var(--color-text-main);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.mobile-nav-link .mobile-en {
  font-family: var(--font-sans-en);
  font-size: 0.75rem;
  color: var(--color-text-light);
  letter-spacing: 0.15em;
}

.mobile-drawer-footer {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   首页 Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: clamp(60px, 8vw, 100px);
  padding-top: 120px;
  overflow: hidden;
  background-color: #E8E5DF;
}

.hero-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  animation: subtleZoom 20s infinite alternate ease-in-out;
}

@keyframes subtleZoom {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.05);
  }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(20, 19, 18, 0.25) 0%,
    rgba(20, 19, 18, 0.1) 40%,
    rgba(20, 19, 18, 0.65) 100%
  );
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  color: #FAF9F5;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-sans-en);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #E2DBD0;
  margin-bottom: 1.25rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 0.35rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
  font-family: var(--font-serif-cn);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  letter-spacing: 0.12em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: #E0DDD7;
  max-width: 600px;
  margin-bottom: 2.25rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   品牌理念 / 简介模块 (Brand Introduction)
   ========================================================================== */
.brand-intro-section {
  background-color: var(--color-bg-primary);
  position: relative;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
}

.intro-text-column {
  padding-right: clamp(10px, 2vw, 30px);
}

.intro-manifesto {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 2rem;
  font-weight: 300;
}

.intro-quote-card {
  border-left: 2px solid var(--color-accent);
  padding-left: 1.5rem;
  margin-bottom: 2.5rem;
}

.intro-quote-text {
  font-family: var(--font-serif-cn);
  font-size: 1.2rem;
  color: var(--color-text-main);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.intro-quote-author {
  font-family: var(--font-sans-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  text-transform: uppercase;
}

.intro-image-column {
  position: relative;
}

.intro-image-wrapper {
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-float);
  aspect-ratio: 4 / 5;
}

.intro-image-wrapper img {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

.intro-image-wrapper:hover img {
  transform: scale(1.03);
}

.intro-floating-badge {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-float);
  max-width: 260px;
}

.floating-badge-year {
  font-family: var(--font-serif-en);
  font-size: 2.2rem;
  line-height: 1;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.floating-badge-text {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--color-text-inverse-muted);
}

/* ==========================================================================
   精选系列与 Lookbook 展廊 (Lookbook & Collections)
   ========================================================================== */
.lookbook-section {
  background-color: var(--color-bg-secondary);
}

.lookbook-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: clamp(40px, 5vw, 60px);
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* 分类筛选器 Tabs */
.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.tab-btn {
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text-main);
  border-color: rgba(24, 23, 22, 0.3);
}

.tab-btn.active {
  background-color: var(--color-text-main);
  color: var(--color-text-inverse);
  border-color: var(--color-text-main);
}

/* Lookbook 画廊网格 */
.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 3.5vw, 48px);
}

.lookbook-card {
  background-color: var(--color-bg-card);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  position: relative;
  border: 1px solid var(--color-border);
}

.lookbook-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-float);
}

.lookbook-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #ECE9E2;
}

.lookbook-img-box img {
  width: 100%;
  height: 100%;
  transition: transform var(--transition-slow);
}

.lookbook-card:hover .lookbook-img-box img {
  transform: scale(1.04);
}

.lookbook-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-text-main);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.lookbook-card-body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.lookbook-card-category {
  font-family: var(--font-sans-en);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.lookbook-card-title {
  font-family: var(--font-serif-cn);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-text-main);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.lookbook-card-en {
  font-family: var(--font-serif-en);
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.3;
  margin-bottom: 0.85rem;
}

.lookbook-card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lookbook-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
}

.lookbook-view-action {
  color: var(--color-text-main);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  letter-spacing: 0.08em;
}

.lookbook-card:hover .lookbook-view-action {
  color: var(--color-accent);
}

/* ==========================================================================
   品牌核心支柱 / 四大美学原则 (Brand Pillars)
   ========================================================================== */
.pillars-section {
  background-color: var(--color-bg-primary);
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.pillar-card {
  padding: 2.25rem 1.75rem;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-subtle);
}

.pillar-num {
  font-family: var(--font-serif-en);
  font-size: 2.25rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.pillar-title {
  font-family: var(--font-serif-cn);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  letter-spacing: 0.08em;
}

.pillar-en {
  font-family: var(--font-sans-en);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.pillar-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ==========================================================================
   工艺与材质专栏 (Craftsmanship & Atelier Banner)
   ========================================================================== */
.craft-feature-section {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.craft-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.craft-img-box {
  position: relative;
  overflow: hidden;
}

.craft-img-box img {
  width: 100%;
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow-modal);
}

.craft-content {
  padding-left: clamp(0px, 2vw, 30px);
}

.craft-content .section-title {
  color: var(--color-text-inverse);
}

.craft-content .section-subtitle {
  color: var(--color-text-inverse-muted);
  margin-bottom: 2rem;
}

.craft-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.craft-list-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.craft-list-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
  font-size: 0.75rem;
}

.craft-list-item h4 {
  font-family: var(--font-serif-cn);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
  color: #FAF9F5;
}

.craft-list-item p {
  font-size: 0.85rem;
  color: var(--color-text-inverse-muted);
  line-height: 1.6;
}

/* ==========================================================================
   预约鉴赏 / 空间邀请 (Showroom Appointment CTA)
   ========================================================================== */
.cta-banner-section {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-box {
  background-color: var(--color-bg-card);
  padding: clamp(40px, 6vw, 80px) clamp(30px, 5vw, 60px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  flex-wrap: wrap;
  gap: 2rem;
}

.cta-text {
  max-width: 600px;
}

.cta-title {
  font-family: var(--font-serif-cn);
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
  font-weight: 400;
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
}

.cta-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   页面内通用 Banner (Page Header Banner)
   ========================================================================== */
.page-hero-banner {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 60px;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-hero-banner .section-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  margin-bottom: 0.75rem;
}

.page-hero-banner .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   品牌故事页面专属组件 (About Page)
   ========================================================================== */
.story-manifesto-box {
  background-color: var(--color-bg-card);
  padding: clamp(30px, 5vw, 60px);
  border: 1px solid var(--color-border);
  margin-bottom: clamp(40px, 6vw, 80px);
}

.story-manifesto-paragraph {
  font-size: 1.05rem;
  line-height: 2.2;
  color: var(--color-text-main);
  margin-bottom: 1.5rem;
  font-weight: 300;
}

.story-manifesto-paragraph:last-child {
  margin-bottom: 0;
}

.timeline-section {
  position: relative;
  margin-top: 40px;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.timeline-grid::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-border);
  z-index: 1;
}

.timeline-item {
  position: relative;
  z-index: 2;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  background-color: var(--color-bg-primary);
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  margin-bottom: 1.5rem;
}

.timeline-year {
  font-family: var(--font-serif-en);
  font-size: 1.8rem;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.timeline-title {
  font-family: var(--font-serif-cn);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   联系我们页面专属组件 (Contact Page)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  background-color: var(--color-bg-card);
  padding: 2rem;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

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

.contact-card-title {
  font-family: var(--font-serif-cn);
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--color-text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-card-value {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.contact-card-value strong {
  color: var(--color-text-main);
  font-weight: 500;
}

.wechat-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.wechat-qr-img {
  width: 100px;
  height: 100px;
  padding: 6px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
}

/* 预约表单 */
.contact-form-panel {
  background-color: var(--color-bg-card);
  padding: clamp(30px, 5vw, 50px);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-text-main);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.form-label .required {
  color: var(--color-accent);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-text-main);
  background-color: #FFFFFF;
}

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

/* ==========================================================================
   单品品鉴弹窗 (Lookbook Modal / Lightbox)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 17, 16, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--color-bg-primary);
  width: 100%;
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-modal);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: rgba(250, 249, 245, 0.9);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-text-main);
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--color-text-main);
  color: var(--color-text-inverse);
}

.modal-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.modal-image-pane {
  background-color: #ECE9E2;
  position: relative;
  min-height: 480px;
}

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

.modal-info-pane {
  padding: clamp(30px, 4vw, 50px);
  display: flex;
  flex-direction: column;
}

.modal-season-tag {
  font-family: var(--font-sans-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.modal-item-title {
  font-family: var(--font-serif-cn);
  font-size: 1.6rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-text-main);
  margin-bottom: 0.4rem;
}

.modal-item-en {
  font-family: var(--font-serif-en);
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

.modal-item-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.modal-specs-list {
  background-color: var(--color-bg-secondary);
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal-spec-row {
  display: flex;
  font-size: 0.85rem;
  line-height: 1.5;
}

.modal-spec-label {
  width: 80px;
  flex-shrink: 0;
  color: var(--color-text-light);
}

.modal-spec-value {
  color: var(--color-text-main);
}

.modal-actions {
  margin-top: auto;
  display: flex;
  gap: 1rem;
}

/* ==========================================================================
   全站页脚 (Site Footer)
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding-top: clamp(60px, 8vw, 100px);
  padding-bottom: 40px;
  border-top: 1px solid var(--color-border-dark);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(40px, 6vw, 60px);
  border-bottom: 1px solid var(--color-border-dark);
}

.footer-brand-col {
  padding-right: clamp(0px, 2vw, 40px);
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 1.25rem;
}

.footer-tagline {
  font-family: var(--font-serif-cn);
  font-size: 1.05rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--color-text-inverse-muted);
  line-height: 1.8;
}

.footer-col-title {
  font-family: var(--font-serif-cn);
  font-size: 1rem;
  color: var(--color-text-inverse);
  margin-bottom: 1.25rem;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--color-text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-text-inverse);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-inverse-muted);
}

.footer-bottom-bar {
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: rgba(250, 249, 245, 0.4);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   轻量级消息提示 (Toast Notification)
   ========================================================================== */
.toast-notice {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 1rem 1.5rem;
  border-left: 3px solid var(--color-accent);
  box-shadow: var(--shadow-modal);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  z-index: 3000;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notice.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   微动效与滚动渐现 (Scroll Animations)
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }