.site-header-logo {
    display: inline-flex !important;
    align-items: center !important;
}

body {
    opacity: 0;
    transform: none !important;
    transition: opacity 220ms cubic-bezier(0.25, 1, 0.5, 1);
}

body.page-ready {
    opacity: 1;
    transform: none !important;
}

body.page-leaving {
    opacity: 0;
    transform: none !important;
}

.product-detail-popup,
#product-detail-popup {
    position: fixed !important;
    inset: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    display: none;
    align-items: center !important;
    justify-content: center !important;
    padding: 16px !important;
    z-index: 10000 !important;
}

.product-detail-popup[style*="flex"],
#product-detail-popup[style*="flex"] {
    display: flex !important;
}

.product-detail-content {
    margin: auto !important;
    max-height: calc(100vh - 32px) !important;
}

#lang-zh,
#lang-en {
    transition: color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease !important;
}

body.lang-switching-out [data-zh][data-en] {
    opacity: 0.2;
    transform: translateY(4px);
}

body.lang-switching-in [data-zh][data-en] {
    animation: langFadeIn 0.22s cubic-bezier(0.25, 1, 0.5, 1);
}

body.lang-switching-out #lang-zh,
body.lang-switching-out #lang-en {
    transform: scale(0.98);
}

[data-zh][data-en] {
    transition: opacity 0.18s cubic-bezier(0.25, 1, 0.5, 1), transform 0.18s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes langFadeIn {
    from {
        opacity: 0.2;
        transform: translateY(4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-blur-container {
    background-color: var(--header-bg) !important;
    border-bottom-width: 2px !important;
    transition: background-color 0.2s ease, border-color 0.2s ease !important;
}

.nav-blur-container .full-bleed-container {
    justify-content: center !important;
}

.nav-blur-container .nav-link.nav-item {
    display: inline-flex !important;
    align-items: center !important;
    min-height: 2.5rem !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem !important;
    color: #64748b !important;
    font-size: 1.125rem !important;
    font-weight: 600 !important;
    line-height: 1.25 !important;
    text-decoration: none !important;
    transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease !important;
}

.nav-blur-container .nav-link.nav-item::after {
    left: 1rem !important;
    right: 1rem !important;
    width: auto !important;
    transform: scaleX(0) !important;
    transform-origin: left !important;
    transition: transform 0.2s ease !important;
}

.nav-blur-container .nav-link.nav-item:hover,
.nav-blur-container .nav-link.nav-item.active {
    color: var(--brand-main, #6B8A92) !important;
    background: rgba(107, 138, 146, 0.1) !important;
    transform: none !important;
}

.nav-blur-container .nav-link.nav-item:hover::after,
.nav-blur-container .nav-link.nav-item.active::after {
    width: auto !important;
    transform: scaleX(1) !important;
}

.nav-blur-container:hover .nav-link.nav-item:not(:hover) {
    filter: none !important;
    opacity: 1 !important;
    transform: none !important;
}

[data-theme="dark"] .nav-blur-container .nav-link.nav-item {
    color: #cbd5e1 !important;
}

[data-theme="dark"] .nav-blur-container .nav-link.nav-item:hover,
[data-theme="dark"] .nav-blur-container .nav-link.nav-item.active {
    color: #f1f5f9 !important;
    background: rgba(148, 163, 184, 0.15) !important;
}

[data-theme="dark"] .product-detail-popup {
    background: rgba(2, 6, 23, 0.76) !important;
}

[data-theme="dark"] .product-detail-content {
    background: #172033 !important;
    color: #e5edf8 !important;
    border: 1px solid #334155 !important;
}

[data-theme="dark"] .product-detail-content .bg-slate-50,
[data-theme="dark"] .product-detail-field {
    background: #0f172a !important;
    color: #e5edf8 !important;
    border-color: #334155 !important;
}

[data-theme="dark"] .product-detail-content .text-slate-800,
[data-theme="dark"] .product-detail-content .text-slate-700,
[data-theme="dark"] .product-detail-value,
[data-theme="dark"] .molecular-formula {
    color: #f8fafc !important;
}

[data-theme="dark"] .product-detail-content .text-slate-500,
[data-theme="dark"] .product-detail-content .text-slate-400,
[data-theme="dark"] .product-detail-label {
    color: #aebbd0 !important;
}

[data-theme="dark"] .product-detail-content .border-slate-100,
[data-theme="dark"] .product-detail-content .border-slate-200 {
    border-color: #334155 !important;
}

[data-theme="dark"] .product-detail-structure {
    background: #ffffff !important;
    border-color: #cbd5e1 !important;
}

[data-theme="dark"] .product-detail-content button.bg-slate-100 {
    background: #233149 !important;
    color: #f8fafc !important;
}

[data-theme="dark"] .product-detail-content button.bg-slate-100:hover {
    background: #334155 !important;
}

#chat-trigger {
    position: fixed !important;
    right: 20px !important;
    bottom: 20px !important;
    z-index: 9998 !important;
    display: block !important;
    opacity: 1 !important;
    width: 320px !important;
    max-width: calc(100vw - 40px) !important;
    height: 66px !important;
    max-height: 66px !important;
    overflow: visible !important;
    line-height: normal !important;
}

.widechem-chat-card {
    width: 100% !important;
    height: 66px !important;
    min-height: 66px !important;
    max-height: 66px !important;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 12px 14px !important;
    border-radius: 12px !important;
    background: #232531 !important;
    box-shadow: 0 18px 45px rgba(2, 6, 23, 0.25) !important;
    cursor: pointer !important;
    transition: transform 180ms cubic-bezier(0.25, 1, 0.5, 1), box-shadow 180ms cubic-bezier(0.25, 1, 0.5, 1);
    box-sizing: border-box !important;
    overflow: hidden !important;
}

#chat-trigger svg,
#chat-modal svg,
.widechem-chat-card svg,
.widechem-chat-modal-inner svg {
    width: 24px !important;
    height: 24px !important;
    max-width: 24px !important;
    max-height: 24px !important;
    display: block !important;
    flex: 0 0 auto !important;
    transform: none !important;
}

.widechem-chat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 52px rgba(2, 6, 23, 0.3);
}

.widechem-chat-icon {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;
    max-width: 38px !important;
    max-height: 38px !important;
    display: grid !important;
    place-items: center !important;
    flex: 0 0 auto;
    color: #f59e0b;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden !important;
}

.widechem-chat-icon svg {
    width: 24px !important;
    height: 24px !important;
}

.widechem-chat-copy {
    min-width: 0;
    flex: 1;
}

.widechem-chat-copy strong,
.widechem-chat-copy span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.25 !important;
}

.widechem-chat-copy strong {
    color: #ffffff;
    font-size: 16px;
}

.widechem-chat-copy span {
    color: #9ca3af;
    font-size: 12px;
}

.widechem-chat-minimize {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    max-width: 28px !important;
    max-height: 28px !important;
    flex: 0 0 auto;
    color: #94a3b8;
    border: 0;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    font-size: 20px;
    line-height: 28px !important;
    padding: 0 !important;
    display: grid !important;
    place-items: center !important;
}

.widechem-chat-minimize:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

#chat-trigger.widechem-chat-compact .widechem-chat-card {
    width: 58px;
    min-height: 58px;
    padding: 10px;
    border-radius: 999px;
}

#chat-trigger.widechem-chat-compact {
    width: 58px !important;
    height: 58px !important;
    max-height: 58px !important;
}

#chat-trigger.widechem-chat-compact .widechem-chat-copy,
#chat-trigger.widechem-chat-compact .widechem-chat-minimize {
    display: none;
}

#chat-modal {
    position: fixed !important;
    right: 20px !important;
    bottom: 100px !important;
    z-index: 9999 !important;
    width: 320px !important;
    max-width: calc(100vw - 40px) !important;
    height: auto !important;
    max-height: calc(100vh - 140px) !important;
    padding: 0 !important;
    border-radius: 14px !important;
    background: #ffffff !important;
    box-shadow: 0 24px 60px rgba(2, 6, 23, 0.22) !important;
    overflow: auto !important;
}

.widechem-chat-modal-inner {
    padding: 22px;
    text-align: center;
}

.widechem-chat-modal-inner img {
    width: 240px;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 0 auto 14px;
}

.widechem-chat-modal-inner h4 {
    margin: 0 0 8px;
    color: #1e293b;
    font-size: 15px;
    font-weight: 700;
}

.widechem-chat-modal-inner p {
    margin: 0 0 14px;
    color: #64748b;
    font-size: 12px;
}

.widechem-chat-phone {
    margin-bottom: 14px;
    padding: 12px;
    border-radius: 10px;
    background: #f8fafc;
    color: #475569;
    font-size: 12px;
    text-align: left;
    line-height: 1.8;
}

.widechem-chat-phone b {
    color: #0f172a;
}

.widechem-chat-close {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #ffffff;
    color: #334155;
    cursor: pointer;
    font-weight: 700;
}

[data-theme="dark"] #chat-modal {
    background: #1e293b !important;
}

[data-theme="dark"] .widechem-chat-modal-inner h4 {
    color: #f1f5f9;
}

[data-theme="dark"] .widechem-chat-modal-inner p {
    color: #94a3b8;
}

[data-theme="dark"] .widechem-chat-phone {
    background: #0f172a;
    color: #cbd5e1;
}

[data-theme="dark"] .widechem-chat-phone b {
    color: #f8fafc;
}

[data-theme="dark"] .widechem-chat-close {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

@media (max-width: 768px) {
    .nav-blur-container {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
    }

    .nav-blur-container .full-bleed-container {
        gap: 0.75rem !important;
        justify-content: center !important;
    }

    .nav-blur-container .nav-link.nav-item {
        min-height: 2.25rem;
        padding: 0.375rem 0.5rem !important;
        font-size: 0.8rem !important;
    }

    #chat-trigger {
        right: 10px !important;
        bottom: 10px !important;
    }

    .widechem-chat-card {
        height: 56px !important;
        min-height: 56px !important;
        max-height: 56px !important;
        padding: 10px 12px !important;
    }

    #chat-trigger {
        width: 260px !important;
        height: 56px !important;
        max-height: 56px !important;
    }

    #chat-modal {
        right: 10px !important;
        bottom: 74px !important;
        width: calc(100vw - 20px) !important;
    }
}

@media (max-width: 480px) {
    .nav-blur-container .nav-link.nav-item {
        padding: 0.25rem 0.375rem !important;
        font-size: 0.7rem !important;
    }

    .widechem-chat-card {
        height: 54px !important;
        min-height: 54px !important;
        max-height: 54px !important;
    }

    #chat-trigger {
        width: 220px !important;
        height: 54px !important;
        max-height: 54px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    body,
    [data-zh][data-en],
    #lang-zh,
    #lang-en {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }

    body {
        opacity: 1 !important;
    }
}