/* ==========================================
   Shiqiaoniang (十俏娘) Custom Design System
   ========================================== */

   :root {
    /* Brand Colors */
    --color-primary: #a3824f;     /* 俏娘金 - Elegant Gold */
    --color-primary-hover: #c4a471;
    --color-dark: #121212;        /* 深漆黑 */
    --color-dark-light: #2c2c2c;  /* 炭灰 */
    --color-light: #ffffff;
    --color-bg-alt: #fafdfa;      /* 丝绸白 (偏微绿/温润白，彰显刺绣自然之美) */
    --color-text: #2b2b2b;
    --color-text-muted: #5e5e5e;
    --color-text-light: #8e8e8e;
    --color-border: #ececec;
    --color-border-dark: #222222;
  
    /* Fonts */
    --font-serif: "Noto Serif SC", "Cinzel", Georgia, serif;
    --font-sans: "Outfit", "Inter", -apple-system, sans-serif;
  
    /* Transitions & Shadows */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.03);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.06);
    --container-max-width: 1400px;
  }
  
  /* Reset & Base */
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  
  body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-light);
    overflow-x: hidden;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    color: var(--color-dark);
    line-height: 1.3;
  }
  
  a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
  }
  
  img, video {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  ul {
    list-style: none;
  }
  
  /* Layout Utilities */
  .container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
  }
  
  .section-padding {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
  
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
  }
  
  .bg-alt {
    background-color: var(--color-bg-alt);
  }
  
  /* Typography Common */
  .section-title {
    font-family: var(--font-serif);
    font-size: 2.3rem;
    font-weight: 400;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
  }
  
  .section-title span {
    font-size: 1.1rem;
    color: var(--color-primary);
    display: block;
    margin-top: 8px;
    font-family: var(--font-sans);
    font-weight: 400;
    letter-spacing: 1px;
  }
  
  .section-title.light {
    color: var(--color-light);
  }
  
  .section-text {
    font-size: 0.98rem;
    color: var(--color-text-muted);
    line-height: 1.85;
    text-align: justify;
    margin-bottom: 2rem;
  }
  
  .section-text.light {
    color: rgba(255, 255, 255, 0.8);
  }
  
  /* Standard Buttons */
  .btn-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    letter-spacing: 2px;
    color: var(--color-dark);
    border-bottom: 1px solid var(--color-primary);
    padding: 8px 0;
    transition: var(--transition-smooth);
    cursor: pointer;
  }
  
  .btn-more svg {
    margin-left: 8px;
    transition: transform 0.3s ease;
  }
  
  .btn-more:hover {
    color: var(--color-primary);
    border-color: var(--color-dark);
  }
  
  .btn-more:hover svg {
    transform: translateX(5px);
  }
  
  .btn-more.btn-light {
    color: var(--color-light);
    border-color: rgba(255, 255, 255, 0.3);
  }
  
  .btn-more.btn-light:hover {
    color: var(--color-primary-hover);
    border-color: var(--color-light);
  }
  
  /* Image wrapper hover effects */
  .img-container {
    overflow: hidden;
    border-radius: 4px;
  }
  
  .img-container img {
    transition: var(--transition-smooth);
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .img-container:hover img {
    transform: scale(1.03);
  }
  
  /* ==========================================
     Header Styles
     ========================================== */
  .header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
    height: 90px;
  }
  
  .header-wrapper.scrolled {
    background-color: var(--color-light);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--color-border);
    height: 80px;
  }
  
  .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    position: relative;
  }
  
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
  }
  
  .nav-item {
    position: relative;
  }
  
  .nav-link {
    font-family: var(--font-serif);
    font-size: 0.98rem;
    letter-spacing: 1px;
    color: var(--color-light);
    padding: 10px 0;
    display: block;
    cursor: pointer;
  }
  
  .header-wrapper.scrolled .nav-link {
    color: var(--color-dark);
  }
  
  .nav-link:hover,
  .header-wrapper.scrolled .nav-link:hover {
    color: var(--color-primary);
  }
  
  /* Submenu dropdown */
  .submenu-wrapper {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: 250px;
    background: var(--color-light);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    z-index: 1001;
    border-radius: 4px;
  }
  
  .nav-item:hover .submenu-wrapper {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
  }
  
  .submenu-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .submenu-link {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    display: block;
  }
  
  .submenu-link:hover {
    color: var(--color-primary);
    padding-left: 4px;
  }
  
  /* Center Typography Logo */
  .header-logo {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--color-light);
    text-align: center;
  }
  
  .header-logo span {
    display: block;
    font-size: 0.65rem;
    font-family: var(--font-sans);
    letter-spacing: 2px;
    margin-top: 2px;
    opacity: 0.8;
  }
  
  .header-wrapper.scrolled .header-logo {
    color: var(--color-dark);
  }
  
  .header-wrapper.scrolled .header-logo span {
    color: var(--color-text-light);
  }
  
  /* Right actions */
  .header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
  }
  
  .lang-switch {
    font-size: 0.85rem;
    color: var(--color-light);
  }
  
  .header-wrapper.scrolled .lang-switch {
    color: var(--color-dark);
  }
  
  .lang-switch span {
    margin: 0 4px;
    opacity: 0.4;
  }
  
  .lang-switch a:hover {
    color: var(--color-primary);
  }
  
  /* Mobile controls */
  .mobile-hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-light);
    cursor: pointer;
  }
  
  .header-wrapper.scrolled .mobile-hamburger {
    color: var(--color-dark);
  }
  
  /* Mobile side drawer navigation */
  .mobile-nav-drawer {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 320px;
    height: 100%;
    background: var(--color-light);
    z-index: 1500;
    box-shadow: var(--shadow-md);
    transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 2rem;
    display: flex;
    flex-direction: column;
  }
  
  .mobile-nav-drawer.active {
    left: 0;
  }
  
  .mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1400;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
  }
  
  .mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
  }
  
  .mobile-drawer-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: bold;
    letter-spacing: 2px;
    color: var(--color-dark);
  }
  
  .mobile-drawer-close {
    background: none;
    border: none;
    color: var(--color-dark);
    cursor: pointer;
  }
  
  .mobile-drawer-menu {
    flex: 1;
    overflow-y: auto;
  }
  
  .mobile-menu-item {
    border-bottom: 1px solid var(--color-border);
  }
  
  .mobile-menu-link-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    cursor: pointer;
  }
  
  .mobile-menu-link {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--color-dark);
  }
  
  .mobile-menu-arrow {
    color: var(--color-text-light);
    transition: transform 0.3s ease;
  }
  
  .mobile-menu-arrow.rotated {
    transform: rotate(90deg);
  }
  
  .mobile-submenu-list {
    padding-left: 1rem;
    padding-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .mobile-submenu-link {
    font-size: 0.9rem;
    color: var(--color-text-muted);
  }
  
  /* ==========================================
     1. HeroBanner Styles
     ========================================== */
  .hero-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
  }
  
  .hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  
  .hero-title-box {
    color: var(--color-light);
    font-family: var(--font-serif);
    max-width: 800px;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
    letter-spacing: 8px;
    margin-bottom: 1.5rem;
    font-weight: 300;
  }
  
  .hero-main-title {
    font-size: 3.8rem;
    letter-spacing: 12px;
    font-weight: 400;
    margin-bottom: 1.5rem;
    color: var(--color-light);
  }
  
  .hero-desc {
    font-size: 1rem;
    letter-spacing: 2px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    font-weight: 300;
    line-height: 1.8;
  }
  
  .hero-mute-btn {
    position: absolute;
    bottom: 40px;
    right: 40px;
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
  }
  
  .hero-mute-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
  }
  
  /* ==========================================
     2. BrandIntro Styles
     ========================================== */
  .brand-intro-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-right: 2rem;
  }
  
  .brand-intro-right {
    overflow: hidden;
    position: relative;
    border-radius: 4px;
  }
  
  .brand-intro-slider {
    width: 100%;
  }
  
  .brand-intro-img {
    width: 100%;
    height: 520px;
    object-fit: cover;
  }
  
  /* ==========================================
     3. StateGift Styles (Portraits Custom)
     ========================================== */
  .state-gift {
    position: relative;
    height: 650px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
  }
  
  .state-gift-overlay {
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(10px);
    padding: 3.5rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 480px;
    margin-left: 8%;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
  }
  
  /* ==========================================
     4. ArtisticJewellery Styles (Screens Custom)
     ========================================== */
  .jewellery-left-img {
    width: 100%;
    height: 620px;
    object-fit: cover;
    border-radius: 4px;
  }
  
  .jewellery-right-img {
    width: 85%;
    height: 320px;
    object-fit: cover;
    border-radius: 4px;
    margin-top: 3rem;
  }
  
  .artistic-right-col {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  
  /* ==========================================
     5. ChineseApparel Styles (Collector Level)
     ========================================== */
  .apparel-top {
    margin-bottom: 3rem;
  }
  
  .apparel-slider-container {
    width: 100%;
    padding-bottom: 50px !important;
  }
  
  .apparel-card {
    border-radius: 4px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--color-light);
    transition: var(--transition-smooth);
    border: 1px solid var(--color-border);
  }
  
  .apparel-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
  }
  
  .apparel-card-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
  }
  
  .apparel-card-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    padding: 15px 20px;
    text-align: center;
    color: var(--color-dark);
    background: var(--color-light);
    border-top: 1px solid var(--color-border);
  }
  
  /* ==========================================
     6. QualityLifestyle Styles (Team & Handwork)
     ========================================== */
  .lifestyle-img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: 4px;
  }
  
  /* ==========================================
     7. CrossCollaboration Styles (Global Footprints)
     ========================================== */
  .collaboration-img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: 4px;
  }
  
  /* ==========================================
     8. RetailSpace Styles (Store & Contact info)
     ========================================== */
  .retail-space {
    position: relative;
    height: 600px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  
  .retail-space-overlay {
    background: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(8px);
    padding: 3.5rem;
    max-width: 700px;
    width: 90%;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .retail-space-overlay .btn-more {
    margin-top: 15px;
  }

  .retail-space-overlay .phone-display {
    font-family: var(--font-serif);
    font-size: 1.45rem;
    color: var(--color-light);
    margin-top: 1.8rem;
    letter-spacing: 2px;
  }

  .retail-space-overlay .phone-display a {
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-primary);
    padding-bottom: 2px;
    transition: var(--transition-smooth);
  }

  .retail-space-overlay .phone-display a:hover {
    color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
  }
  
  /* ==========================================
     Footer Styles
     ========================================== */
  .footer-wrapper {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 6rem 0 2rem 0;
    border-top: 1px solid var(--color-border-dark);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 2fr;
    gap: 5rem;
    margin-bottom: 4rem;
  }
  
  .footer-section-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-primary);
    letter-spacing: 2px;
    margin-bottom: 25px;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
  }
  
  .social-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  .social-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
  }
  
  .social-item:hover {
    color: var(--color-primary);
  }
  
  .social-icon {
    width: 22px;
    height: 22px;
    filter: brightness(0) invert(1);
    transition: var(--transition-smooth);
  }
  
  .social-item:hover .social-icon {
    filter: none;
  }
  
  .social-name {
    font-size: 0.95rem;
  }
  
  .qr-popup {
    position: absolute;
    bottom: 120%;
    left: 0;
    background: var(--color-light);
    padding: 10px;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    z-index: 100;
    display: flex;
    gap: 10px;
  }
  
  .social-item:hover .qr-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  .qr-popup img {
    width: 100px;
    height: 100px;
    display: block;
  }
  
  .qr-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 30px;
    border: 6px solid transparent;
    border-top-color: var(--color-light);
  }
  
  .store-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
  }
  
  .store-link {
    font-size: 0.95rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .store-link:hover {
    color: var(--color-primary);
    transform: translateX(4px);
  }
  
  .contact-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
  }
  
  .contact-icon {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 3px;
  }
  
  .contact-text {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
  }
  
  .beian-bar {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    margin-top: 4rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
  }
  
  .beian-bar a:hover {
    color: var(--color-primary);
  }
  
  .beian-links {
    display: flex;
    gap: 15px;
  }
  
  .beian-links span {
    opacity: 0.3;
  }
  
  /* ==========================================
     Floating Toolbar
     ========================================== */
  .floating-toolbar {
    position: fixed;
    right: 25px;
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .toolbar-item {
    position: relative;
    width: 48px;
    height: 48px;
    background-color: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    color: var(--color-dark);
    transition: var(--transition-smooth);
  }
  
  .toolbar-item:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-light);
    box-shadow: var(--shadow-md);
  }
  
  .toolbar-tooltip {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    box-shadow: var(--shadow-md);
  }
  
  .toolbar-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-dark);
  }
  
  .toolbar-item:hover .toolbar-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
  }
  
  .toolbar-item.scroll-top {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s, background-color 0.4s;
    border: none;
  }
  
  .toolbar-item.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  /* ==========================================
     Animations (Scroll-Reveal)
     ========================================== */
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  
  .reveal.active {
    opacity: 1;
    transform: translateY(0);
  }
  
  /* ==========================================
     Swiper Custom Overrides
     ========================================== */
  .swiper-pagination-bullet-active {
    background: var(--color-primary) !important;
  }
  
  /* ==========================================
     Media Queries (Responsiveness)
     ========================================== */
  @media (max-width: 991px) {
    .grid-2 {
      grid-template-columns: 1fr;
      gap: 2.5rem;
    }
  
    .header-wrapper {
      height: 70px;
    }
    .header-wrapper.scrolled {
      height: 70px;
    }
    
    .nav-menu {
      display: none;
    }
    
    .mobile-hamburger {
      display: block;
    }
  
    .header-logo {
      font-size: 1.35rem;
      letter-spacing: 2px;
    }
  
    .brand-intro-left {
      padding-right: 0;
    }
  
    .brand-intro-img {
      height: 400px;
    }
  
    .state-gift {
      height: 500px;
      background-attachment: scroll;
    }
  
    .state-gift-overlay {
      margin-left: auto;
      margin-right: auto;
      max-width: 90%;
      padding: 2.5rem;
    }
  
    .jewellery-left-img {
      height: 450px;
    }
  
    .jewellery-right-img {
      width: 100%;
      height: 280px;
      margin-top: 1.5rem;
    }
  
    .apparel-card-img {
      height: 400px;
    }
  
    .lifestyle-img,
    .collaboration-img {
      height: 400px;
    }
  
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
    }
  }
  
  @media (max-width: 576px) {
    html {
      font-size: 14px;
    }
    
    .section-title {
      font-size: 1.9rem;
    }
  
    .hero-banner {
      height: 85vh;
    }
  
    .hero-main-title {
      font-size: 2.5rem;
      letter-spacing: 6px;
    }
  
    .hero-subtitle {
      font-size: 1rem;
      letter-spacing: 4px;
    }
  
    .hero-mute-btn {
      bottom: 20px;
      right: 20px;
    }
  
    .beian-bar {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
    }
  }