@font-face {
    font-family: "OPPOSans";
    src: url("/public/static/fonts/OPPOSans-Variable.woff2") format("woff2-variations");
    font-weight: 300 700;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0300-0301, U+0303-0304, U+0308-0309, U+0323,
        U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212,
        U+2215, U+FEFF, U+FFFD;
}

:root {
    --cv2-color-primary: #34627B;
    --cv2-color-primary-dark: #285068;
    --cv2-color-primary-light: #4F7F97;
    --cv2-color-primary-50: rgba(52, 98, 123, 0.08);
    --cv2-color-primary-100: rgba(52, 98, 123, 0.15);

    --cv2-color-secondary: #6DA6BB;
    --cv2-color-secondary-dark: #568695;
    --cv2-color-secondary-light: #8BBFCE;

    --cv2-color-accent: #F4CD2C;
    --cv2-color-accent-dark: #C8A520;
    --cv2-color-accent-light: #F7D95E;

    --cv2-color-white: #ffffff;
    --cv2-color-gray-50: #f8f9fa;
    --cv2-color-gray-100: #f0f1f3;
    --cv2-color-gray-200: #e2e4e7;
    --cv2-color-gray-300: #cdd0d5;
    --cv2-color-gray-400: #9ea3ab;
    --cv2-color-gray-500: #6e6e6e;
    --cv2-color-gray-600: #555555;
    --cv2-color-gray-700: #333333;
    --cv2-color-gray-800: #1f1f1f;
    --cv2-color-gray-900: #141414;
    --cv2-color-black: #000000;

    --cv2-font-heading: "OPPOSans", "Helvetica Neue", Arial, sans-serif;
    --cv2-font-body: "OPPOSans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --cv2-font-chinese-fallback: "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;

    --cv2-text-xs: 0.75rem;
    --cv2-text-sm: 0.875rem;
    --cv2-text-base: 1rem;
    --cv2-text-lg: 1.125rem;
    --cv2-text-xl: 1.25rem;
    --cv2-text-2xl: 1.5rem;
    --cv2-text-3xl: 1.875rem;
    --cv2-text-4xl: 2.25rem;
    --cv2-text-5xl: 3rem;

    --cv2-font-light: 300;
    --cv2-font-regular: 400;
    --cv2-font-normal: 400;
    --cv2-font-medium: 500;
    --cv2-font-semibold: 600;
    --cv2-font-bold: 700;

    --cv2-leading-tight: 1.25;
    --cv2-leading-snug: 1.375;
    --cv2-leading-normal: 1.5;
    --cv2-leading-relaxed: 1.625;

    --cv2-tracking-tight: -0.025em;
    --cv2-tracking-wide: 0.025em;
    --cv2-tracking-wider: 0.05em;

    --cv2-space-0: 0;
    --cv2-space-1: 0.25rem;
    --cv2-space-2: 0.5rem;
    --cv2-space-3: 0.75rem;
    --cv2-space-4: 1rem;
    --cv2-space-5: 1.25rem;
    --cv2-space-6: 1.5rem;
    --cv2-space-7: 1.75rem;
    --cv2-space-8: 2rem;
    --cv2-space-10: 2.5rem;
    --cv2-space-12: 3rem;
    --cv2-space-16: 4rem;
    --cv2-space-20: 5rem;
    --cv2-space-24: 6rem;

    --cv2-radius-sm: 4px;
    --cv2-radius-md: 8px;
    --cv2-radius-lg: 12px;
    --cv2-radius-xl: 16px;
    --cv2-radius-2xl: 24px;
    --cv2-radius-full: 9999px;

    --cv2-shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.03), 0 2px 4px rgba(0, 0, 0, 0.04);
    --cv2-shadow-md: 0 8px 16px rgba(0, 0, 0, 0.04), 0 4px 8px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.04);
    --cv2-shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.05), 0 8px 16px rgba(0, 0, 0, 0.05), 0 4px 8px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.03);
    --cv2-shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.06), 0 12px 24px rgba(0, 0, 0, 0.06), 0 6px 12px rgba(0, 0, 0, 0.05), 0 3px 6px rgba(0, 0, 0, 0.04);
    --cv2-shadow-2xl: 0 32px 64px rgba(0, 0, 0, 0.08), 0 16px 32px rgba(0, 0, 0, 0.07), 0 8px 16px rgba(0, 0, 0, 0.06), 0 4px 8px rgba(0, 0, 0, 0.05);

    --cv2-transition-fast: 150ms ease;
    --cv2-transition-base: 250ms ease;
    --cv2-transition-slow: 400ms ease;

    --cv2-z-sticky: 200;

    --cv2-max-width: 1500px;
    --cv2-max-width-narrow: 900px;
}

html {
    scroll-behavior: smooth;
}

img.cv2-img,
.cv2-content img {
    max-width: 100%;
    height: auto;
    display: block;
}

:focus-visible {
    outline: 2px solid var(--cv2-color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.cv2-h1 {
    font-family: var(--cv2-font-heading);
    font-size: var(--cv2-text-5xl);
    font-weight: var(--cv2-font-bold);
    line-height: var(--cv2-leading-tight);
    letter-spacing: var(--cv2-tracking-tight);
    color: var(--cv2-color-gray-900);
}

.cv2-body-lg {
    font-family: var(--cv2-font-body);
    font-size: var(--cv2-text-lg);
    line-height: var(--cv2-leading-relaxed);
    color: var(--cv2-color-gray-700);
}

.cv2-container {
    width: 100%;
    max-width: var(--cv2-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--cv2-space-4);
    padding-right: var(--cv2-space-4);
}

.cv2-container--narrow {
    max-width: var(--cv2-max-width-narrow);
}

.cv2-grid {
    display: grid;
    gap: var(--cv2-space-6);
}

.cv2-grid-2,
.cv2-grid-3,
.cv2-grid-4 {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .cv2-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cv2-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cv2-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cv2-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .cv2-grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

.cv2-section {
    padding-top: var(--cv2-space-16);
    padding-bottom: var(--cv2-space-16);
}

.cv2-section-title {
    font-family: var(--cv2-font-heading);
    font-size: var(--cv2-text-3xl);
    font-weight: var(--cv2-font-bold);
    color: var(--cv2-color-gray-900);
    margin-bottom: var(--cv2-space-4);
    position: relative;
    padding-bottom: var(--cv2-space-4);
}

.cv2-section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--cv2-color-accent);
}

.cv2-section-subtitle {
    font-family: var(--cv2-font-body);
    font-size: var(--cv2-text-lg);
    line-height: var(--cv2-leading-relaxed);
    color: var(--cv2-color-gray-500);
    max-width: 680px;
}

.cv2-card {
    background: var(--cv2-color-white);
    border-radius: var(--cv2-radius-md);
    box-shadow: var(--cv2-shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.cv2-card:hover {
    box-shadow: var(--cv2-shadow-xl);
    transform: translateY(-6px);
}

.cv2-card-body {
    padding: var(--cv2-space-6);
}

.cv2-card-title {
    font-family: var(--cv2-font-heading);
    font-size: var(--cv2-text-xl);
    font-weight: var(--cv2-font-semibold);
    color: var(--cv2-color-gray-900);
    margin-bottom: var(--cv2-space-2);
}

.cv2-card-text {
    font-family: var(--cv2-font-body);
    font-size: var(--cv2-text-sm);
    line-height: var(--cv2-leading-relaxed);
    color: var(--cv2-color-gray-500);
}

.cv2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--cv2-space-2);
    position: relative;
    overflow: hidden;
    isolation: isolate;
    padding: var(--cv2-space-3) var(--cv2-space-6);
    font-family: var(--cv2-font-heading);
    font-size: var(--cv2-text-sm);
    font-weight: var(--cv2-font-semibold);
    line-height: 1;
    letter-spacing: var(--cv2-tracking-wide);
    text-transform: uppercase;
    text-decoration: none;
    border-width: 2px;
    border-style: solid;
    border-radius: var(--cv2-radius-sm);
    cursor: pointer;
    transition: all var(--cv2-transition-base);
    -webkit-appearance: none;
    appearance: none;
    z-index: 1;
    --cv2-btn-overlay: transparent;
    --cv2-btn-hover-color: inherit;
    --cv2-btn-hover-shadow: var(--cv2-shadow-md);
}

.cv2-btn::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--cv2-btn-overlay);
    pointer-events: none;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: -1;
}

.cv2-btn:disabled,
.cv2-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.cv2-btn--primary {
    background-color: var(--cv2-color-primary);
    color: var(--cv2-color-white);
    border-color: var(--cv2-color-primary);
    --cv2-btn-overlay: linear-gradient(135deg, var(--cv2-color-primary-dark) 0%, #1f465b 100%);
    --cv2-btn-hover-color: var(--cv2-color-white);
}

.cv2-btn:hover,
.cv2-btn:focus-visible {
    color: var(--cv2-btn-hover-color);
    transform: translateY(-2px);
    box-shadow: var(--cv2-btn-hover-shadow);
}

.cv2-btn:hover::before,
.cv2-btn:focus-visible::before {
    transform: scaleX(1);
    transform-origin: left;
}

.cv2-btn--outline {
    background-color: transparent;
    color: var(--cv2-color-primary);
    border-color: var(--cv2-color-primary);
    --cv2-btn-overlay: linear-gradient(135deg, var(--cv2-color-primary) 0%, var(--cv2-color-primary-dark) 100%);
    --cv2-btn-hover-color: var(--cv2-color-white);
}

.cv2-btn--white {
    background-color: var(--cv2-color-white);
    color: var(--cv2-color-primary);
    border-color: var(--cv2-color-white);
    --cv2-btn-overlay: linear-gradient(135deg, var(--cv2-color-gray-100) 0%, var(--cv2-color-gray-200) 100%);
    --cv2-btn-hover-color: var(--cv2-color-primary-dark);
}

.cv2-btn--white:hover,
.cv2-btn--white:focus-visible {
    border-color: var(--cv2-color-gray-100);
}

.cv2-btn--lg {
    padding: var(--cv2-space-4) var(--cv2-space-8);
    font-size: var(--cv2-text-base);
}

[data-cv2-local-nav] nav {
    position: relative;
    overflow: visible !important;
    align-items: center;
    flex-wrap: nowrap;
}

.cv2-local-nav__primary {
    display: flex;
    align-items: center;
    gap: inherit;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cv2-local-nav__primary::-webkit-scrollbar {
    display: none;
}

.cv2-local-nav__branch {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--cv2-space-3);
    flex: 0 1 min(26rem, 42%);
    max-width: min(26rem, 42%);
    min-width: 11rem;
    margin-left: auto;
    padding-left: var(--cv2-space-3);
    border-left: 1px solid rgba(52, 98, 123, 0.12);
}

.cv2-local-nav__branch-label {
    margin: 0;
    flex: 0 0 auto;
    font-size: 0.66rem;
    font-weight: var(--cv2-font-semibold);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cv2-color-gray-500);
    white-space: nowrap;
}

.cv2-local-nav__branch-links {
    display: flex;
    justify-content: flex-end;
    gap: 0.45rem;
    flex: 1 1 auto;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cv2-local-nav__branch-links::-webkit-scrollbar {
    display: none;
}

.cv2-local-nav__branch-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    flex: 0 0 auto;
    min-height: 40px;
    padding: 0 0.95rem;
    border: 1px solid rgba(52, 98, 123, 0.12);
    border-radius: var(--cv2-radius-full);
    background: rgba(52, 98, 123, 0.06);
    color: var(--cv2-color-gray-700);
    text-decoration: none;
    transition:
        color var(--cv2-transition-base),
        background-color var(--cv2-transition-base),
        border-color var(--cv2-transition-base),
        box-shadow var(--cv2-transition-base);
}

.cv2-local-nav__branch-link:hover,
.cv2-local-nav__branch-link:focus-visible {
    color: var(--cv2-color-primary-dark);
    border-color: rgba(52, 98, 123, 0.2);
    background: rgba(52, 98, 123, 0.1);
    box-shadow: 0 4px 10px rgba(52, 98, 123, 0.08);
}

.cv2-local-nav__branch-link.is-current {
    color: var(--cv2-color-white);
    border-color: transparent;
    background: linear-gradient(135deg, var(--cv2-color-primary) 0%, var(--cv2-color-primary-dark) 100%);
    box-shadow: var(--cv2-shadow-sm);
}

.cv2-local-nav__branch-link-title {
    font-family: var(--cv2-font-heading);
    font-size: 0.92rem;
    font-weight: var(--cv2-font-semibold);
    line-height: 1;
    white-space: nowrap;
}

.cv2-local-nav__branch-link-arrow {
    flex: 0 0 auto;
    font-size: 0.8rem;
    font-weight: var(--cv2-font-bold);
    color: rgba(52, 98, 123, 0.55);
}

.cv2-local-nav__branch-link.is-current .cv2-local-nav__branch-link-arrow {
    color: rgba(255, 255, 255, 0.74);
}

@media (max-width: 959px) {
    [data-cv2-local-nav] nav:has(.cv2-local-nav__branch) {
        display: grid !important;
        gap: var(--cv2-space-3);
    }

    .cv2-local-nav__branch {
        width: 100%;
        max-width: none;
        min-width: 0;
        padding-left: 0;
        border-left: 0;
        border-top: 1px solid rgba(52, 98, 123, 0.12);
        padding-top: var(--cv2-space-3);
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .cv2-local-nav__branch-links {
        width: 100%;
        justify-content: flex-start;
    }
}

.cv2-content {
    font-family: var(--cv2-font-body) !important;
    font-size: var(--cv2-text-base) !important;
    line-height: var(--cv2-leading-relaxed) !important;
    color: var(--cv2-color-gray-700) !important;
}

.cv2-content h1,
.cv2-content h2,
.cv2-content h3,
.cv2-content h4,
.cv2-content h5,
.cv2-content h6 {
    font-family: var(--cv2-font-heading) !important;
    color: var(--cv2-color-gray-900) !important;
    margin-top: var(--cv2-space-8) !important;
    margin-bottom: var(--cv2-space-4) !important;
    font-weight: var(--cv2-font-semibold) !important;
    line-height: var(--cv2-leading-tight) !important;
    text-align: left !important;
}

.cv2-content h1 {
    font-size: var(--cv2-text-5xl) !important;
    letter-spacing: var(--cv2-tracking-tight) !important;
}

.cv2-content h2 {
    font-size: var(--cv2-text-4xl) !important;
    padding-bottom: var(--cv2-space-2) !important;
    border-bottom: 2px solid var(--cv2-color-accent) !important;
}

.cv2-content h3 {
    font-size: var(--cv2-text-3xl) !important;
}

.cv2-content h4 {
    font-size: var(--cv2-text-2xl) !important;
}

.cv2-content h5 {
    font-size: var(--cv2-text-xl) !important;
}

.cv2-content h6 {
    font-size: var(--cv2-text-lg) !important;
}

.cv2-content p {
    color: var(--cv2-color-gray-700) !important;
    font-size: var(--cv2-text-base) !important;
    margin-bottom: var(--cv2-space-6) !important;
    line-height: var(--cv2-leading-relaxed) !important;
    text-align: left !important;
}

.cv2-content a {
    color: var(--cv2-color-primary) !important;
    text-decoration: none !important;
    border-bottom: 1px solid transparent;
    transition: all var(--cv2-transition-base);
}

.cv2-content a:hover {
    color: var(--cv2-color-primary-dark) !important;
    border-bottom-color: var(--cv2-color-primary) !important;
}

.cv2-content ul,
.cv2-content ol {
    margin-top: var(--cv2-space-4) !important;
    margin-bottom: var(--cv2-space-6) !important;
    padding-left: var(--cv2-space-6) !important;
}

.cv2-content ul li,
.cv2-content ol li {
    margin-bottom: var(--cv2-space-2) !important;
    line-height: var(--cv2-leading-relaxed) !important;
    color: var(--cv2-color-gray-700) !important;
    position: relative;
}

.cv2-content ul {
    list-style-type: none !important;
}

.cv2-content ul li::before {
    content: "";
    position: absolute;
    left: -1.25rem;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    background-color: var(--cv2-color-accent) !important;
    border-radius: 50%;
}

.cv2-content ol {
    list-style-type: decimal !important;
}

.cv2-content ol li::marker {
    color: var(--cv2-color-accent-dark) !important;
    font-weight: var(--cv2-font-bold) !important;
    font-family: var(--cv2-font-heading) !important;
}

.cv2-content blockquote {
    margin: var(--cv2-space-8) 0 !important;
    padding: var(--cv2-space-6) var(--cv2-space-8) !important;
    background-color: var(--cv2-color-gray-50) !important;
    border-left: 4px solid var(--cv2-color-accent) !important;
    border-radius: 0 var(--cv2-radius-md) var(--cv2-radius-md) 0;
}

.cv2-content blockquote p {
    font-style: italic !important;
    font-size: var(--cv2-text-lg) !important;
    color: var(--cv2-color-gray-600) !important;
    margin-bottom: 0 !important;
}

.cv2-content img {
    border-radius: var(--cv2-radius-md) !important;
    margin: var(--cv2-space-6) 0 !important;
    box-shadow: var(--cv2-shadow-sm);
}

.cv2-content strong,
.cv2-content b {
    font-weight: var(--cv2-font-bold) !important;
    color: var(--cv2-color-gray-900) !important;
}

.cv2-content table {
    width: 100% !important;
    margin: var(--cv2-space-6) 0 !important;
    border-collapse: collapse !important;
}

.cv2-content table th,
.cv2-content table td {
    padding: var(--cv2-space-3) var(--cv2-space-4) !important;
    border-bottom: 1px solid var(--cv2-color-gray-200) !important;
    text-align: left !important;
}

.cv2-content table th {
    font-family: var(--cv2-font-heading) !important;
    font-weight: var(--cv2-font-semibold) !important;
    background-color: var(--cv2-color-gray-100) !important;
    color: var(--cv2-color-gray-900) !important;
}

.cv2-content table tr:hover td {
    background-color: var(--cv2-color-gray-50) !important;
}

.cv2-content hr {
    border: none !important;
    height: 2px !important;
    background-color: var(--cv2-color-gray-200) !important;
    margin: var(--cv2-space-8) 0 !important;
}

@media (max-width: 768px) {
    .cv2-h1 {
        font-size: var(--cv2-text-4xl);
    }
}