:root {
    --wendu-blue: #1f61ff;
    --wendu-blue-dark: #0b3f9d;
    --wendu-blue-soft: #dce8ff;
    --wendu-sky: #f4f8ff;
    --wendu-ice: #eef5ff;
    --wendu-indigo: #4f61d9;
    --wendu-violet: #7d63ff;
    --wendu-purple: #a463ff;
    --wendu-teal: #17b67a;
    --wendu-sand: #a58a72;
    --wendu-text: #13233b;
    --wendu-muted: #66748b;
    --wendu-border: #dbe4f4;
    --wendu-surface: #ffffff;
    --wendu-bg: #f5f8fd;
    --wendu-shadow: 0 18px 50px rgba(15, 42, 85, 0.08);
    --wendu-shadow-soft: 0 10px 24px rgba(15, 42, 85, 0.06);
    --wendu-radius: 24px;
    --wendu-radius-sm: 16px;
    --wendu-radius-xs: 12px;
    --wendu-container: 1200px;
    --wendu-header-height: 72px;
    --wendu-header-height-mobile: 60px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--wendu-text);
    background: var(--wendu-bg);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.is-home {
    background: #fff;
}

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

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

p {
    margin: 0;
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

::selection {
    background: rgba(31, 97, 255, 0.16);
}

.container {
    width: min(calc(100% - 32px), var(--wendu-container));
    margin: 0 auto;
}

.container--narrow {
    width: min(calc(100% - 32px), 860px);
}

.container.breadcrumb {
    min-height: 44px;
    display: flex;
    align-items: center;
    margin: 0 auto 16px;
    color: #8b94a4;
    font-size: 14px;
    padding-bottom: 20px;
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.section-heading {
    margin-bottom: 28px;
    text-align: center;
}

.section-heading__en {
    margin: 0 0 8px;
    color: var(--wendu-blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.home-section .section-heading__en {
    display: none;
}

.section-heading__title {
    margin: 0;
    color: #163d8a;
    font-size: 32px;
    line-height: 1.2;
    font-weight: 800;
}

.section-heading__lead {
    margin-top: 10px;
    color: var(--wendu-muted);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--wendu-blue), #4f7bff);
    box-shadow: 0 12px 24px rgba(31, 97, 255, 0.2);
}

.button--outline {
    color: #1e4fb5;
    border-color: #cbd8f5;
    background: rgba(255, 255, 255, 0.82);
}

.wysiwyg > * + * {
    margin-top: 1em;
}

.wysiwyg h2,
.wysiwyg h3 {
    color: #14357d;
    line-height: 1.35;
}

.wysiwyg p,
.wysiwyg li {
    color: #344055;
}

.wysiwyg ul,
.wysiwyg ol {
    padding-left: 1.2em;
}