:root {
    --primary: #0C0C0C;         /* 更深邃的碳黑 */
    --primary-dark: #000000;
    --accent: #C5A059;          /* 更温润的香槟金 */
    --accent-light: #DABE7C;    /* 柔和高光 */
    --accent-glow: rgba(197, 160, 89, 0.35);
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;   /* 提升对比度至 WCAG AAA 级 */
    --border-light: #2A2A2A;
    --border-heavy: #3C3C3C;
    --bg-card: #121212;
    --bg-elevated: #1C1C1C;
    --shadow-color: rgba(0, 0, 0, 0.85);
    --shadow-elevation: 0 25px 45px -18px rgba(0, 0, 0, 0.9), 0 1px 2px rgba(0, 0, 0, 0.4);
    --glass-bg: rgba(12, 12, 12, 0.92);
    --transition-smooth: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--primary);
    background-image: 
        radial-gradient(circle at 15% 25%, rgba(197, 160, 89, 0.03) 0%, transparent 25%),
        radial-gradient(circle at 85% 70%, rgba(197, 160, 89, 0.02) 0%, transparent 30%);
    overflow-x: hidden;
    font-weight: 400;
    letter-spacing: -0.01em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

video {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 6%;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    padding: 0;
}

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

/* ========== Typography ========== */
h2 {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 650;
    letter-spacing: -0.02em;
    margin-bottom: 1.4rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.section-subhead {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 720px;
    margin-bottom: 3.2rem;
    font-weight: 400;
    letter-spacing: -0.2px;
    line-height: 1.6;
}

.section-subhead--centered {
    margin-left: auto;
    margin-right: auto;
}

/* ========== Header & Navigation ========== */
header {
    background-color: rgba(12, 12, 12, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.9rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    letter-spacing: -0.5px;
}

.logo:hover {
    transform: translateX(-3px);
    color: var(--accent-light);
}

.logo i {
    color: var(--accent);
    font-size: 2rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 2.8rem;
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.6rem 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    box-shadow: 0 0 10px var(--accent-glow);
    transition: var(--transition-smooth);
    border-radius: 2px;
}

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

/* Dropdown menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: -12px;
    background: var(--bg-elevated);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-elevation), 0 0 0 1px rgba(197, 160, 89, 0.3);
    min-width: 240px;
    padding: 0.8rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: var(--transition-smooth);
    z-index: 200;
    border: 1px solid var(--border-light);
}

.nav-links li:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(6px);
}

.dropdown-menu li {
    display: block;
    position: relative;
}

.dropdown-menu a {
    padding: 0.75rem 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-left: 3px solid transparent;
    transition: all 0.25s;
}

.dropdown-menu a:hover {
    background: rgba(197, 160, 89, 0.12);
    border-left-color: var(--accent);
    color: var(--text-primary);
    padding-left: 2rem;
}

.dropdown-menu a::after {
    display: none;
}

/* Third level menu */
.dropdown-menu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-top: -0.8rem;
    transform: translateX(12px);
    opacity: 0;
    visibility: hidden;
}

.dropdown-menu li:hover > .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(6px);
}

/* Dropdown arrow */
.has-dropdown > a i {
    font-size: 0.7rem;
    margin-left: 5px;
    transition: transform 0.25s;
    color: var(--accent);
}

.has-dropdown:hover > a i {
    transform: rotate(180deg);
}

/* Language switcher */
.language-switcher {
    position: relative;
    cursor: pointer;
}

#translate {
    min-width: 140px;
}

.translateSelectLanguage {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    padding: 8px 34px 8px 20px;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    background: var(--bg-card) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%23FFFFFF" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>') no-repeat right 16px center;
    background-size: 12px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.25s;
    width: 168px;
    backdrop-filter: blur(4px);
}

.translateSelectLanguage:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.translate-select-panel {
    background: var(--bg-elevated) !important;
    backdrop-filter: blur(16px) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-elevation), 0 0 0 1px var(--accent) !important;
    border: 1px solid var(--border-light) !important;
    padding: 0.8rem 0 !important;
    max-height: 340px !important;
    overflow-y: auto !important;
    z-index: 1001 !important;
}

.translate-select-panel div {
    padding: 0.8rem 2rem !important;
    font-size: 0.95rem !important;
    color: var(--text-secondary) !important;
    transition: all 0.2s !important;
    cursor: pointer !important;
    border-left: 3px solid transparent !important;
}

.translate-select-panel div:hover {
    background: rgba(197, 160, 89, 0.12) !important;
    border-left-color: var(--accent) !important;
    color: var(--text-primary) !important;
}

.translate-select-panel div.selected {
    background: rgba(197, 160, 89, 0.18) !important;
    border-left-color: var(--accent) !important;
    font-weight: 600 !important;
    color: var(--text-primary) !important;
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    letter-spacing: 0.2px;
}

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

.btn-login:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--accent);
    color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.btn-register {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    color: var(--text-primary);
    border: none;
    box-shadow: 0 6px 14px rgba(197, 160, 89, 0.35);
}

.btn-register:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 24px rgba(197, 160, 89, 0.5);
}

.btn-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
    font-size: 1.2rem;
    border: 1px solid transparent;
}

.btn-icon:hover {
    background: rgba(197, 160, 89, 0.15);
    color: var(--accent-light);
    border-color: var(--accent);
    transform: scale(1.08);
}

/* Search Wrapper */
.search-wrapper {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6);
    padding: 1.5rem 2%;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s;
    z-index: 99;
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
}

.search-wrapper.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-container {
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.4rem;
}

.search-icon {
    color: var(--text-secondary);
    font-size: 1.4rem;
}

.search-container form {
    display: flex;
    flex: 1;
    gap: 1rem;
    align-items: center;
}

.search-container input {
    flex: 1;
    width: auto;
    padding: 1rem 1.8rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 1rem;
    outline: none;
    transition: all 0.25s;
    background: rgba(0, 0, 0, 0.6);
    color: var(--text-primary);
}

.search-container input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.search-container button {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    white-space: nowrap;
    border: none;
    color: var(--text-primary);
    padding: 1rem 2.4rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

.search-container button:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(197, 160, 89, 0.5);
}

.close-search {
    background: transparent;
    border: 1px solid var(--border-light);
    font-size: 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.2rem 1rem;
    line-height: 1;
    border-radius: var(--radius-full);
    transition: all 0.2s;
}

.close-search:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(197, 160, 89, 0.12);
}

/* Mobile Toggle & Nav */
.mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border-light);
    font-size: 1.7rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.6rem 1.1rem;
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all 0.25s;
}

.mobile-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 2.2rem;
    transform: translateX(100%);
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    overflow-y: auto;
    border-right: 1px solid rgba(197, 160, 89, 0.35);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 2rem;
}

.close-mobile {
    background: none;
    border: 1px solid var(--border-light);
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.3rem 1.1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.close-mobile:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.mobile-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.mobile-links a {
    color: var(--text-secondary);
    font-size: 1.25rem;
    font-weight: 500;
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-links a:hover {
    padding-left: 12px;
    color: var(--accent-light);
    border-bottom-color: var(--accent);
}

/* Mobile submenu */
.mobile-dropdown {
    list-style: none;
    padding-left: 1.5rem;
    display: none;
}

.mobile-dropdown.active {
    display: block;
}

.mobile-dropdown li a {
    font-size: 1rem;
    padding: 0.8rem 0 0.8rem 0.8rem;
    border-bottom: 1px dashed var(--border-light);
    color: var(--text-secondary);
}

.mobile-dropdown li a:hover {
    color: var(--accent-light);
}

.mobile-dropdown .mobile-dropdown {
    padding-left: 1.5rem;
}

.mobile-dropdown .mobile-dropdown li a {
    font-size: 0.95rem;
    padding-left: 2rem;
}

.arrow-icon {
    transition: transform 0.25s;
    color: var(--accent);
}

.active > a .arrow-icon {
    transform: rotate(90deg);
}

.mobile-language {
    margin: 0.6rem 0 1.2rem 0;
    border-bottom: 1px solid var(--border-light);
    padding: 0.6rem 0; 
    min-height: 160px;
    max-height: 280px;
    overflow-y: auto;
}

.lang-options-mobile {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-language .language-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0.7rem 1.3rem;
    line-height: 1.4;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    cursor: pointer;
    border-left: 4px solid transparent;
    background-color: transparent;
    color: var(--text-secondary);
}

.mobile-language .language-option:hover {
    background: rgba(197, 160, 89, 0.12);
    border-left-color: var(--accent);
    color: var(--text-primary);
}

.mobile-language .language-option.active {
    background: rgba(197, 160, 89, 0.18);
    border-left-color: var(--accent);
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-language .language-flag {
    font-size: 1.4rem;
    width: 32px;
    text-align: center;
}

.mobile-language .language-name {
    flex: 1;
    font-size: 1rem;
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.2rem;
}

.mobile-auth .btn {
    width: 100%;
    text-align: center;
    justify-content: center;
}

/* ========== Hero Banner ========== */
.hero-banner {
    width: 100%;
    position: relative;
    overflow: hidden;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
}

.carousel {
    position: relative;
    width: 100%;
    aspect-ratio: 1920 / 800;
    max-height: 85vh;
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.8s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.carousel-item {
    flex: 0 0 100%;
    height: 100%;
    position: relative;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.82) saturate(1.15) contrast(1.08);
}

.carousel-caption {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
    width: 85%;
    max-width: 920px;
    z-index: 2;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.carousel-caption h2 {
    font-size: clamp(2.4rem, 7vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.2rem;
    letter-spacing: -0.02em;
    color: white;
    text-shadow: 0 4px 16px rgba(197, 160, 89, 0.5);
}

.carousel-caption p {
    font-size: clamp(1.1rem, 3.5vw, 1.7rem);
    margin-bottom: 2rem;
    opacity: 0.96;
    color: rgba(255, 255, 255, 0.96);
    font-weight: 350;
    line-height: 1.6;
}

.carousel-caption .btn {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    color: white;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border-radius: 60px;
    font-weight: 600;
    transition: all 0.35s;
    box-shadow: 0 10px 25px rgba(197, 160, 89, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.carousel-caption .btn:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 20px 35px rgba(197, 160, 89, 0.65);
    border-color: rgba(255, 255, 255, 0.3);
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    font-size: 2.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10;
    line-height: 1;
    background: rgba(0, 0, 0, 0.65);
}

.carousel-control:hover {
    background: var(--accent);
    border-color: var(--accent-light);
    color: white;
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 0 22px var(--accent-glow);
}

.carousel-control.prev { left: 28px; }
.carousel-control.next { right: 28px; }

.carousel-indicators {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 16px;
    z-index: 10;
}

.carousel-indicators button {
    width: 48px;
    height: 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.45);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
    backdrop-filter: blur(2px);
}

.carousel-indicators button.active {
    background: var(--accent);
    width: 80px;
    box-shadow: 0 0 16px var(--accent-glow);
}

/* ========== Services Section ========== */
section {
    padding: 6.5rem 0;
}

.bg-light {
    background-color: var(--bg-card);
    position: relative;
}

.bg-white {
    background-color: var(--primary);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.2rem;
    margin-top: 2.8rem;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 3rem 1.8rem 2.5rem;
    box-shadow: 0 15px 35px -12px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(255, 255, 255, 0.05) inset;
    transition: all 0.4s;
    border: 1px solid var(--border-light);
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0, rgba(197, 160, 89, 0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.45s;
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-12px);
    border-color: var(--accent);
    box-shadow: 0 30px 45px -18px rgba(197, 160, 89, 0.45), 0 0 0 1px var(--accent) inset;
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 4rem;
    color: var(--accent);
    margin-bottom: 1.8rem;
    filter: drop-shadow(0 6px 14px var(--accent-glow));
}

.service-card h3 {
    font-size: 1.7rem;
    font-weight: 650;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.65;
    font-size: 1rem;
}

.card-link {
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.25s;
    font-size: 1rem;
    border-bottom: 1px solid transparent;
}

.service-card:hover .card-link {
    gap: 1rem;
    color: var(--accent-light);
    border-bottom-color: var(--accent-light);
}

/* Factory Introduction */
.factory-wrapper {
    display: flex;
    align-items: center;
    gap: 5rem;
}

.factory-content {
    flex: 1;
}

.factory-content h2 {
    margin-bottom: 1.8rem;
    color: var(--text-primary);
}

.factory-desc {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.15rem;
    line-height: 1.75;
}

.factory-stats {
    display: flex;
    gap: 3.2rem;
    margin: 2.8rem 0;
}

.stat-item h4 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
    text-shadow: 0 0 14px var(--accent-glow);
}

.stat-item p {
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1.8px;
    font-weight: 450;
}

.btn-virtual-tour {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    color: var(--text-primary);
    padding: 1rem 2.8rem;
    border-radius: 60px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(197, 160, 89, 0.4);
    transition: all 0.35s;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-virtual-tour:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 30px rgba(197, 160, 89, 0.55);
}

.btn-virtual-tour i {
    margin-left: 0.7rem;
    transition: transform 0.25s;
}

.btn-virtual-tour:hover i {
    transform: translateX(5px);
}

.factory-media {
    flex: 1;
    border-radius: 36px;
    overflow: hidden;
    box-shadow: var(--shadow-elevation), 0 0 0 1px rgba(197, 160, 89, 0.3);
    border: 1px solid var(--border-light);
}

.factory-media img {
    width: 100%;
    height: auto;
    transition: transform 0.8s ease;
    filter: brightness(0.97) contrast(1.1);
}

.factory-media:hover img {
    transform: scale(1.05);
}

/* Featured Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.2rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 15px 35px -12px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(255, 255, 255, 0.05) inset;
    transition: all 0.4s;
    border: 1px solid var(--border-light);
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 28px 45px -18px rgba(197, 160, 89, 0.45), 0 0 0 1px var(--accent) inset;
}

.product-image {
    background: #181818;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-light);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    width: 100%;
    height: auto;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s;
    filter: brightness(0.98);
}

.product-card:hover .product-image img {
    transform: scale(1.07);
}

.product-info {
    padding: 2rem 1.8rem 2.2rem;
}

.product-info h3 {
    font-size: 1.45rem;
    margin-bottom: 0.5rem;
    font-weight: 650;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.product-category {
    color: var(--accent);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.product-price {
    font-weight: 700;
    font-size: 1.55rem;
    margin: 1rem 0 1.5rem;
    color: var(--text-primary);
}

.product-link {
    color: var(--accent);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    border-bottom: 1px solid transparent;
    transition: all 0.25s;
    font-size: 1rem;
}

.product-link:hover {
    border-bottom-color: var(--accent);
    color: var(--accent-light);
    gap: 0.9rem;
}

/* Inquiry Form */
.contact-wrapper {
    display: flex;
    gap: 3.5rem;
    background: var(--bg-card);
    border-radius: 48px;
    box-shadow: var(--shadow-elevation);
    padding: 4rem;
    border: 1px solid var(--border-light);
}

.contact-info {
    flex: 1;
    padding-right: 2.2rem;
}

.contact-info h3 {
    font-size: 2.3rem;
    margin-bottom: 1.8rem;
    color: var(--text-primary);
    font-weight: 650;
}

.contact-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-details {
    margin: 2.5rem 0;
}

.contact-details p {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 1.3rem;
    color: var(--text-primary);
    font-size: 1.05rem;
}

.contact-details i {
    width: 30px;
    color: var(--accent);
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.secure-badge {
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.secure-badge i {
    color: var(--accent);
    margin-right: 0.6rem;
}

.contact-form {
    flex: 1;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1.1rem 1.6rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.25s;
    background: rgba(0, 0, 0, 0.55);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    background: rgba(0, 0, 0, 0.65);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-btn {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    color: var(--text-primary);
    padding: 1.1rem 3rem;
    border-radius: 60px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.35s;
    width: 100%;
    font-size: 1.2rem;
    box-shadow: 0 8px 22px rgba(197, 160, 89, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.submit-btn:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 30px rgba(197, 160, 89, 0.55);
}

/* Footer */
.footer {
    background: #050505;
    color: var(--text-secondary);
    padding: 5.5rem 0 2.2rem;
    border-top: 1px solid rgba(197, 160, 89, 0.3);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-col p {
    margin: 1.2rem 0 2rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-primary);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.footer-logo i {
    color: var(--accent);
    filter: drop-shadow(0 0 10px var(--accent-glow));
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
    border: 1px solid var(--border-light);
    font-size: 1.3rem;
}

.social-links a:hover {
    background: var(--accent);
    color: var(--text-primary);
    border-color: var(--accent);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 12px 22px rgba(197, 160, 89, 0.4);
}

.footer-col h4 {
    color: var(--text-primary);
    font-size: 1.35rem;
    margin-bottom: 1.8rem;
    font-weight: 650;
    letter-spacing: -0.2px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col ul a {
    color: var(--text-secondary);
    transition: all 0.2s;
    display: inline-block;
}

.footer-col ul a:hover {
    color: var(--accent-light);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding-top: 2.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.payment-icons i {
    font-size: 2rem;
    margin-left: 1.2rem;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.payment-icons i:hover {
    color: var(--accent);
}

.floating-bar {
    position: fixed;
    right: 28px; 
    bottom: 100px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
    justify-content: center;
}
.floating-item {
    width: 56px;
    height: 56px;
    background: var(--bg-elevated);
    backdrop-filter: blur(14px);
    border-radius: 50%;
    box-shadow: var(--shadow-elevation), 0 0 0 1px rgba(197, 160, 89, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.5rem;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border-light);
}

.floating-item:hover {
    background: var(--accent);
    color: var(--text-primary);
    transform: scale(1.12);
    border-color: var(--accent-light);
    box-shadow: 0 0 24px var(--accent-glow);
}

.floating-item .qr-tooltip {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-elevated);
    backdrop-filter: blur(14px);
    border-radius: var(--radius-md);
    padding: 12px;
    box-shadow: var(--shadow-elevation), 0 0 0 1px var(--accent);
    display: none;
    width: 160px;
    text-align: center;
    pointer-events: none;
    border: 1px solid var(--border-light);
}

.floating-item:hover .qr-tooltip {
    display: block;
}

.qr-tooltip img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.qr-tooltip span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

.floating-item a {
    color: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.go-top {
    background: linear-gradient(135deg, var(--accent), #B38F55);
    color: var(--text-primary);
    border: none;
}

.go-top:hover {
    background: linear-gradient(135deg, #B38F55, var(--accent));
    color: white;
}

/* Responsive */
@media screen and (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); gap: 1.8rem; }
    .products-grid { grid-template-columns: repeat(2, 1fr); gap: 1.8rem; }
    .factory-wrapper { flex-direction: column; gap: 3rem; }
    .contact-wrapper { flex-direction: column; padding: 2.8rem; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

@media screen and (max-width: 900px) {
    .desktop-nav {
        display: none !important;
    }
    
    .mobile-toggle {
        display: block !important;
    }
    
    .search-wrapper {
        top: 72px;
    }

    .floating-bar {
        right: 16px;
        gap: 12px;
    }
    
    .floating-item {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}

@media screen and (min-width: 901px) {
    .mobile-nav {
        transform: translateX(100%) !important;
    }
}

/* Enhanced Mobile Styles */
@media screen and (max-width: 768px) {
    section {
        padding: 3.5rem 0;
    }
    .container {
        padding: 0 5%;
    }
    h2 {
        font-size: 2rem;
        margin-bottom: 0.9rem;
    }
    .section-subhead {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    .carousel {
        aspect-ratio: auto;
        height: auto;
        max-height: none;
    }
    .carousel-inner {
        height: auto;
    }
    .carousel-item {
        height: auto;
    }
    .carousel-item img {
        height: auto;
        object-fit: contain;
        background: #000;
    }
    .carousel-caption {
        padding: 0.8rem;
        width: 90%;
        backdrop-filter: none;
    }
    .carousel-caption h2 {
        font-size: 1.7rem;
        margin-bottom: 0.6rem;
    }
    .carousel-caption p {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }
    .carousel-caption .btn {
        padding: 0.6rem 1.6rem;
        font-size: 0.9rem;
    }
    .carousel-control {
        width: 42px;
        height: 42px;
        font-size: 1.6rem;
        background: rgba(0, 0, 0, 0.7);
    }
    .carousel-control.prev { left: 12px; }
    .carousel-control.next { right: 12px; }
    .carousel-indicators {
        bottom: 15px;
        gap: 12px;
    }
    .carousel-indicators button {
        width: 32px;
        height: 5px;
    }
    .carousel-indicators button.active {
        width: 52px;
    }
    .services-grid,
    .products-grid {
        gap: 1.2rem;
        margin-top: 1.2rem;
    }
    .service-card,
    .product-card {
        padding: 1.6rem 1rem;
    }
    .service-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }
    .service-card h3,
    .product-info h3 {
        font-size: 1.4rem;
    }
    .product-info {
        padding: 1.2rem;
    }
    .factory-wrapper {
        gap: 1.8rem;
    }
    .factory-desc {
        font-size: 1rem;
    }
    .factory-stats {
        gap: 1.8rem;
        margin: 1.8rem 0;
    }
    .stat-item h4 {
        font-size: 2.1rem;
    }
    .contact-wrapper {
        padding: 1.8rem;
        gap: 1.8rem;
    }
    .contact-info h3 {
        font-size: 1.8rem;
    }
    .footer {
        padding: 3rem 0 1.5rem;
    }
    .footer-grid {
        gap: 1.8rem;
        margin-bottom: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .floating-bar {
        right: 12px;
        bottom: 65px;
        gap: 10px;
    }
    .floating-item {
        width: 46px;
        height: 46px;
        font-size: 1.2rem;
    }
}

@media screen and (max-width: 480px) {
    .carousel-control {
        width: 36px;
        height: 36px;
        font-size: 1.3rem;
    }
    .carousel-caption h2 {
        font-size: 1.3rem;
    }
    .carousel-caption p {
        font-size: 0.75rem;
    }
    .services-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    h2 {
        font-size: 1.7rem;
    }
}

/* ========== Product List Page Styles ========== */

.product-layout {
    display: flex;
    gap: 3.2rem;
    padding: 3.2rem 0;
}

.page-header {
    padding: 2.5rem 0 1.5rem;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 1rem;
}
.page-title {
    font-size: 2.8rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    margin-bottom: 0.7rem;
    color: var(--text-primary);
    line-height: 1.2;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.8rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--accent-light);
}
.breadcrumb span {
    color: var(--border-heavy);
}

.filter-sidebar {
    flex: 0 0 280px;
}
.current-path {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.9rem;
    backdrop-filter: blur(4px);
}
.current-path i {
    color: var(--accent);
    font-size: 1.2rem;
}
.current-path span {
    color: var(--text-primary);
    font-weight: 500;
}
.category-tree {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: 1.5rem;
    backdrop-filter: blur(4px);
}
.category-tree ul {
    list-style: none;
    padding-left: 0;
}
.category-tree ul ul {
    padding-left: 1.5rem;
    margin-top: 0.3rem;
    display: none;
}
.category-tree ul ul.active {
    display: block;
}
.category-tree li {
    margin-bottom: 0.6rem;
    position: relative;
    line-height: 1.55;
}
.category-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-radius: var(--radius-sm);
    transition: background 0.15s;
}
.category-item:hover {
    background: rgba(197, 160, 89, 0.08);
}
.toggle-icon {
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--accent);
    font-size: 1rem;
    transition: all 0.2s;
    flex-shrink: 0;
    border-radius: 4px;
}
.toggle-icon:hover {
    color: var(--accent-light);
    background: rgba(197, 160, 89, 0.12);
}
.category-link {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    padding: 0.45rem 0;
    transition: color 0.2s;
    font-size: 0.95rem;
    border-radius: var(--radius-sm);
}
.category-link:hover {
    color: var(--accent-light);
}
.category-link.active {
    color: var(--text-primary);
    font-weight: 500;
}
.category-count {
    color: var(--text-secondary);
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    margin-left: 0.6rem;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 3.5rem;
    flex-wrap: wrap;
}
.page-item {
    min-width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    font-size: 1rem;
    padding: 0 0.9rem;
}
.page-item i {
    font-size: 1rem;
}
.page-item.active {
    background: var(--accent);
    color: var(--text-primary);
    border-color: var(--accent);
    box-shadow: 0 4px 14px rgba(197, 160, 89, 0.45);
}
.page-item:hover:not(.active):not(.disabled) {
    border-color: var(--accent);
    color: var(--accent-light);
    background: rgba(197, 160, 89, 0.08);
    transform: translateY(-2px);
}
.page-item.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
}
.divclear{clear:both;}

@media screen and (max-width: 1024px) {
    .product-layout {
        flex-direction: column;
    }
    .filter-sidebar {
        flex: auto;
        margin-bottom: 2rem;
    }
}

@media screen and (max-width: 768px) {
    .page-title {
        font-size: 2.3rem;
    }
    .category-tree {
        padding: 1.2rem;
    }
}

@media screen and (max-width: 480px) {
    .filter-sidebar {
        flex: 1 1 100%;
    }
    .pagination {
        gap: 0.4rem;
    }
    .page-item {
        min-width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }
}

/* Canvas Editor Styles */
.canvas-container {
    width: 100%;
    background: none !important;
    overflow: hidden;
}
.canvas {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    padding: 12px;
    box-sizing: border-box;
}
.primary-layer {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
    box-sizing: border-box;
    overflow: visible;
}
.layers-container {
    position: relative;
    width: 100%;
    min-height: 1px;
}
.layer {
    position: absolute;
    box-sizing: border-box;
}
.text-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    word-break: break-word;
    box-sizing: border-box;
    white-space: pre-wrap;
}
.layer img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.layer-placeholder {
    pointer-events: none;
    visibility: hidden;
}

@media (max-width: 768px) {

.product-title {
        text-align: center !important;
        margin-left: auto !important;
        margin-right: auto !important;
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
        white-space: normal !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
    }
.product-title::after {
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 80px !important; /* 可根据需要调整宽度 */
    }
.product-info {
        text-align: left; /* 其他文字保持左对齐，仅标题居中 */
    }

    .primary-layer {
        padding: 12px !important;
        margin: 12px auto !important;
        overflow: visible !important;
    }
    .layers-container {
        position: relative !important;
        min-height: auto !important;
        display: flex;
        flex-direction: column;
        gap: 18px;
    }
    .layer {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        left: 0 !important;
        top: 0 !important;
        margin-bottom: 0 !important;
        min-height: auto !important;
    }
    .layer[data-type="image"] {
        min-height: 200px;
        width: 100% !important;
    }
    .layer[data-type="image"] img {
        height: auto !important;
        min-height: 200px;
        width: 100% !important;
    }
    .layer[data-type="text"] {
        position: relative !important;
        width: 100% !important;
        height: auto !important;
        min-height: 55px;
    }
    .text-content {
        font-size: 15px !important;
        padding: 14px !important;
        white-space: normal !important;
        height: auto !important;
        min-height: 55px;
    }
    .layer-placeholder {
        display: none !important;
    }
}

/* ===== 商品展示区域精致版 ===== */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.9rem;
    padding: 1.6rem 0 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.2px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.2);
    margin-bottom: 1.2rem;
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s, transform 0.2s;
}
.breadcrumb a:hover {
    color: var(--accent-light);
    transform: translateX(2px);
}
.breadcrumb .separator {
    margin: 0 0.2rem;
    color: var(--accent);
    font-weight: 300;
    opacity: 0.8;
}

.product-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    margin: 2rem 0 5rem;
    align-items: flex-start;
}

.product-gallery {
    flex: 1 1 50%;
    min-width: 300px;
}
.main-image {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    margin-bottom: 1.2rem;
    box-shadow: 0 18px 38px -12px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(197, 160, 89, 0.15) inset;
    transition: all 0.45s;
    position: relative;
}
.main-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 30%, rgba(197, 160, 89, 0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.45s;
    pointer-events: none;
}
.main-image:hover {
    border-color: var(--accent);
    box-shadow: 0 28px 48px -18px rgba(197, 160, 89, 0.45), 0 0 0 1px var(--accent) inset;
}
.main-image:hover::after {
    opacity: 1;
}
.main-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s cubic-bezier(0.2, 0.9, 0.3, 1);
}
.main-image:hover img {
    transform: scale(1.03);
}

.thumbnail-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.thumbnail {
    width: 85px;
    height: 85px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--bg-card);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.5);
    position: relative;
}
.thumbnail::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    padding: 2px;
    background: linear-gradient(135deg, var(--accent), transparent 70%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}
.thumbnail:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
    box-shadow: 0 12px 22px -6px rgba(197, 160, 89, 0.5);
}
.thumbnail:hover::before {
    opacity: 1;
}
.thumbnail.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.35), 0 8px 18px rgba(0, 0, 0, 0.6);
}
.thumbnail.active::before {
    opacity: 1;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
}
.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    flex: 1 1 40%;
    min-width: 300px;
    display: flex;
    flex-direction: column;
}
.product-title {
    font-size: 2.6rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
    position: relative;
    display: inline-block;
}
.product-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 90px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light), transparent);
    border-radius: var(--radius-full);
}
.product-subtitle {
    color: var(--accent);
    font-size: 1.2rem;
    margin: 1.6rem 0 1rem;
    font-weight: 400;
    letter-spacing: 0.4px;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(197, 160, 89, 0.1);
    padding: 0.6rem 1.3rem;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(197, 160, 89, 0.3);
    width: fit-content;
}
.product-subtitle i {
    font-size: 1.2rem;
    color: var(--accent-light);
}
.product-short-desc {
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 1.8rem 0;
    margin: 1.8rem 0;
    line-height: 1.8;
    color: var(--text-secondary);
    font-size: 1rem;
    background: rgba(10, 10, 10, 0.5);
    backdrop-filter: blur(4px);
    padding-left: 1.2rem;
    padding-right: 1.2rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent);
    box-shadow: inset 0 1px 6px rgba(0, 0, 0, 0.4);
}

.product-description {
    margin-top: 4.5rem;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: 2.8rem;
    box-shadow: var(--shadow-elevation), 0 0 0 1px rgba(197, 160, 89, 0.2);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}
.product-description::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
    opacity: 0.7;
}
.description-title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}
.description-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 110px;
    height: 2px;
    background: var(--accent);
    border-radius: var(--radius-full);
    box-shadow: 0 0 14px var(--accent-glow);
}

.product-description img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: 0 14px 28px -8px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(197, 160, 89, 0.25);
    margin: 1.5rem 0;
    transition: all 0.4s;
    border: 1px solid var(--border-light);
}
.product-description img:hover {
    transform: scale(1.01);
    box-shadow: 0 22px 38px -12px rgba(197, 160, 89, 0.45), 0 0 0 1px var(--accent);
}
.product-description span[style*="background-color:#E3E3E3"] {
    background: rgba(197, 160, 89, 0.15) !important;
    backdrop-filter: blur(8px);
    padding: 1.8rem !important;
    border-radius: var(--radius-lg) !important;
    margin: 1.5rem 0;
    display: block;
    font-size: 1rem;
    line-height: 1.8;
    border-left: 5px solid var(--accent);
    color: var(--text-secondary);
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.4);
}
.product-description strong {
    color: var(--accent-light);
    font-weight: 600;
}

/* 相关产品区域 - 正方形图片 + 放大效果 */
.related-products {
    margin: 5.5rem 0 3rem;
}
.related-products h2 {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}
.related-products h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 90px;
    height: 3px;
    background: var(--accent);
    border-radius: var(--radius-full);
    box-shadow: 0 0 18px var(--accent-glow);
}

.related-products .related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.related-products .related-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 14px 32px -12px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(255, 255, 255, 0.05) inset;
    transition: all 0.4s;
    border: 1px solid var(--border-light);
    position: relative;
}
.related-products .related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 0, rgba(197, 160, 89, 0.12), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}
.related-products .related-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 30px 45px -18px rgba(197, 160, 89, 0.45), 0 0 0 1px var(--accent) inset;
}
.related-products .related-card:hover::before {
    opacity: 1;
}
.related-products .related-image {
    aspect-ratio: 1 / 1;               /* 正方形图片容器 */
    overflow: hidden;
    background: #181818;
    border-bottom: 1px solid var(--border-light);
}
.related-products .related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;                 /* 图片填满正方形，居中裁剪 */
    transition: transform 0.65s;
    filter: brightness(0.98);
}
.related-products .related-card:hover .related-image img {
    transform: scale(1.07);            /* 鼠标悬停放大 */
}
.related-products .related-info {
    padding: 1.6rem 1.4rem 1.8rem;
}
.related-products .related-info h4 {
    font-size: 1.25rem;
    margin: 0 0 0.4rem;
    font-weight: 650;
    color: var(--text-primary);
    letter-spacing: -0.2px;
    line-height: 1.4;
}
.related-products .related-info h4 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}
.related-products .related-info h4 a:hover {
    color: var(--accent-light);
}
.related-products .related-price {
    font-weight: 700;
    font-size: 1.4rem;
    margin-top: 0.7rem;
    color: var(--accent);
    display: block;
    text-shadow: 0 0 8px var(--accent-glow);
}
.related-products .related-info .cpbt {
    display: inline-block;
    margin-bottom: 0.3rem;
}

/* 新闻列表区域 - 桌面端4列 */
.news-list-section .related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 0.5rem;
}
.news-list-section .related-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.35s;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.news-list-section .related-card:hover {
    transform: translateY(-7px);
    border-color: var(--accent);
}
.news-list-section .related-img {
    height: 210px;
    overflow: hidden;
}
.news-list-section .related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.45s;
}
.news-list-section .related-card:hover .related-img img {
    transform: scale(1.06);
}
.news-list-section .related-info {
    padding: 1.4rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-list-section .related-info h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.4;
}
.news-list-section .related-info h4 a {
    text-decoration: none;
    transition: color 0.2s;
}
.news-list-section .related-info h4 a:hover {
    color: var(--accent-light);
}
.news-list-section .related-date {
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 0.7rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.news-list-section .related-date i {
    font-size: 0.65rem;
}
.news-list-section .related-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-top: 0.2rem;
    flex: 1;
}
.news-list-section .read-more {
    margin-top: 0.9rem;
    font-size: 0.8rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--accent-light);
    transition: all 0.2s;
}
.news-list-section .read-more i {
    font-size: 0.7rem;
}
.news-list-section .read-more:hover {
    gap: 0.6rem;
    color: var(--accent);
}

/* 相关文章区域 - 桌面端3列 */
.related-articles {
    margin: 4.5rem 0 3.5rem;
}
.related-articles .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.8rem;
}
.related-articles .related-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.35s;
}
.related-articles .related-card:hover {
    transform: translateY(-7px);
    border-color: var(--accent);
}
.related-articles .related-img {
    height: 290px;
    overflow: hidden;
}
.related-articles .related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.45s;
}
.related-articles .related-card:hover .related-img img {
    transform: scale(1.06);
}
.related-articles .related-info {
    padding: 1.4rem;
}
.related-articles .related-info h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}
.related-articles .related-info h4 a:hover {
    color: var(--accent-light);
}
.related-articles .related-date {
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}
.related-articles .related-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.45;
}

/* 响应式网格调整 */
@media screen and (max-width: 1024px) {
    .related-products .related-grid,
    .news-list-section .related-grid,
    .related-articles .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.8rem;
    }
}
@media screen and (max-width: 768px) {
    .related-products .related-grid,
    .news-list-section .related-grid,
    .related-articles .related-grid {
        grid-template-columns: 1fr;
    }
}

/* 其他响应式微调 */
@media screen and (max-width: 1024px) {
    .product-title {
        font-size: 2.3rem;
    }
    .product-description {
        padding: 2rem;
    }
}
@media screen and (max-width: 768px) {
    .product-detail {
        flex-direction: column;
        gap: 2.2rem;
    }
    .product-title {
        font-size: 1.9rem;
    }
    .product-subtitle {
        font-size: 1rem;
        padding: 0.5rem 1.1rem;
    }
    .thumbnail {
        width: 70px;
        height: 70px;
    }
    .product-description {
        padding: 1.5rem;
    }
    .description-title {
        font-size: 1.9rem;
    }
}
@media screen and (max-width: 480px) {
    .product-title {
        font-size: 1.7rem;
    }
    .breadcrumb {
        font-size: 0.8rem;
    }
    .product-short-desc {
        font-size: 0.9rem;
    }
}

/* 高级徽章 */
.product-info .product-subtitle {
    background: none;
    padding: 0;
    border: none;
    backdrop-filter: none;
    width: 100%;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.views-badge, .date-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(197, 160, 89, 0.12);
    backdrop-filter: blur(4px);
    border-radius: 60px;
    padding: 0.45rem 1.2rem;
    border: 1px solid rgba(197, 160, 89, 0.35);
    color: #e3d9cf;
    font-size: 0.85rem;
    font-weight: 450;
    letter-spacing: 0.2px;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(197, 160, 89, 0.2) inset;
    transition: all 0.25s;
}
.views-badge i, .date-badge i {
    color: var(--accent-light);
    font-size: 0.9rem;
}
.views-badge:hover, .date-badge:hover {
    background: rgba(197, 160, 89, 0.2);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.inquiry-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    background: linear-gradient(145deg, #c5a059, #dcb97c);
    color: #0a0a0a;
    font-weight: 600;
    font-size: 1rem;
    padding: 0.85rem 2.2rem;
    border-radius: 70px;
    text-decoration: none;
    transition: all 0.35s;
    border: 1px solid rgba(255, 245, 220, 0.45);
    margin: 0.6rem 0 0rem;
    box-shadow: 0 8px 18px rgba(197, 160, 89, 0.45), 0 1px 0 rgba(255,255,240,0.1) inset;
    letter-spacing: 0.7px;
    width: fit-content;
    border-bottom: 2px solid #a47e54;
}
.inquiry-btn i {
    font-size: 0.95rem;
    transition: transform 0.25s;
}
.inquiry-btn:hover {
    background: linear-gradient(145deg, #dcb97c, #c5a059);
    transform: translateY(-3px);
    box-shadow: 0 14px 26px rgba(197, 160, 89, 0.55), 0 0 0 1px #f5dbbc inset;
    color: #000;
    border-bottom-color: #b38f60;
}
.inquiry-btn:hover i {
    transform: translateX(6px);
}

.company-contact {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: 0.2rem 0;
}
.contact-row {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    font-size: 1rem;
    color: #ddd5cb;
    line-height: 1.5;
    border-bottom: 1px dashed rgba(197, 160, 89, 0.3);
    padding-bottom: 0.6rem;
}
.contact-row:last-child {
    border-bottom: none;
}
.contact-row i {
    width: 1.7rem;
    color: var(--accent-light);
    font-size: 1.3rem;
    text-align: center;
}
.contact-row.company-name {
    font-weight: 650;
    color: #f0e2d2;
    font-size: 1.2rem;
    letter-spacing: 0.3px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.6);
    padding-bottom: 0.7rem;
    margin-bottom: 0.2rem;
}
.contact-row.company-name i {
    color: #d8b17e;
}

@media (max-width: 480px) {
    .inquiry-btn {
        width: 100%;
        padding: 0.7rem 1.5rem;
    }
    .contact-row {
        font-size: 0.9rem;
        gap: 0.7rem;
    }
    .views-badge, .date-badge {
        padding: 0.35rem 0.9rem;
        font-size: 0.75rem;
    }
}

/* 面包屑与列表页头部 */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.9rem;
    padding: 1.5rem 0 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.2px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.25);
    margin-bottom: 1.2rem;
    margin-top: 8px;
}
.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: var(--accent-light);
}
.breadcrumb .separator {
    margin: 0 0.2rem;
    color: var(--accent);
    font-weight: 300;
    opacity: 0.8;
}

.page-header {
    margin: 0.8rem 0 2.2rem;
    position: relative;
}
.page-header h1 {
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0.4rem 0 0.7rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #FFFFFF, var(--accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.page-header p {
    color: var(--text-secondary);
    font-size: 1rem;
    opacity: 0.85;
    margin-top: 0.4rem;
}

.news-list-section {
    margin: 1.5rem 0 3.5rem;
}
.section-title {
    font-size: 1.7rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    margin-bottom: 1.8rem;
    position: relative;
    display: inline-block;
    border-left: 4px solid var(--accent);
    padding-left: 0.9rem;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.8rem;
    border-radius: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
    text-decoration: none;
}
.pagination a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0a0a;
    transform: translateY(-2px);
}
.pagination .active {
    background: var(--accent);
    border-color: var(--accent);
    color: #0a0a0a;
    pointer-events: none;
}
.pagination .disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* 博客头部 */
.blog-header {
    margin: 1.5rem 0 2.5rem;
    position: relative;
}
.article-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0.8rem 0 1rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #FFFFFF, var(--accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(197, 160, 89, 0.35);
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    background: rgba(197, 160, 89, 0.1);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
}
.meta-item i { 
    color: var(--accent-light); 
    font-size: 0.9rem; 
}
.article-category {
    background: var(--accent);
    color: #0a0a0a;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
}
.share-buttons {
    display: flex;
    gap: 0.8rem;
    margin-left: auto;
}
.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.25s;
}
.share-btn:hover { 
    background: var(--accent); 
    color: var(--primary); 
    border-color: var(--accent); 
    transform: translateY(-3px); 
}

.article-content {
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: 0.8rem;
    margin: 1.8rem 0 3rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-elevation);
    line-height: 1.8;
    font-size: 1rem;
    color: var(--text-secondary);
}
.article-content .contact-section {
    margin: 0px 10px;
    padding: 10px;
}
.article-content .contact-section .container {
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100%;
}
.article-content .contact-section .content-layer-wrapper {
    padding: 0 !important;
    margin: 0 !important;
}
.article-content .content-layer-wrapper {
    line-height: 1.9;
}
.article-content .content-layer-wrapper strong {
    display: inline-block;
    margin-top: 0.7em;
    margin-bottom: 0.2em;
}
.article-content p { 
    margin-bottom: 1.6rem; 
}
.article-content h3 { 
    color: var(--accent-light); 
    margin: 1.8rem 0 1rem; 
    font-size: 1.7rem; 
}
.article-content img { 
    margin: 1.6rem 0; 
    border-radius: var(--radius-md); 
    border: 1px solid var(--border-light); 
}