/* ── Fluent Design 2 · #f36 主色 ── */

:root {
    --color-primary: #ff3366;
    --color-primary-dark: #cc1a4d;
    --color-primary-light: #ff6688;
    --color-primary-subtle: #fff0f4;
    --color-primary-border: #ffb3c6;

    --color-bg: #faf8f9;
    --color-surface: #ffffff;
    --color-surface-alt: #fdf5f7;
    --color-border: #e8dde1;
    --color-border-subtle: #f0e8eb;

    --color-text: #1a0a0f;
    --color-text-secondary: #6b4a55;
    --color-text-tertiary: #9e7a85;
    --color-text-disabled: #c4a8b0;

    --color-link: #cc1a4d;
    --color-link-hover: #ff3366;

    --color-footer-bg: #1a0a0f;
    --color-footer-text: #f0dde3;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-pill: 9999px;

    --shadow-4: 0 2px 4px rgba(0,0,0,0.08), 0 0 1px rgba(0,0,0,0.06);
    --shadow-8: 0 4px 8px rgba(0,0,0,0.12), 0 0 2px rgba(0,0,0,0.08);
    --shadow-16: 0 8px 16px rgba(0,0,0,0.14), 0 0 2px rgba(0,0,0,0.1);

    --ease-fluent: cubic-bezier(0, 0, 0, 1);
    --duration-fast: 150ms;
    --duration-normal: 250ms;
}

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

body {
    margin: 0;
    font-family: 'Segoe UI Variable', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-link);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-fluent);
}

a:hover {
    color: var(--color-link-hover);
}

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

.container {
    width: 100%;
    padding: 0 20px;
    margin: 0 auto;
    max-width: 1400px;
}

.container--full {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
}

.card-surface {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-4);
    transition: box-shadow var(--duration-fast) var(--ease-fluent), transform var(--duration-fast) var(--ease-fluent);
}

.card-surface:hover {
    box-shadow: var(--shadow-8);
    transform: translateY(-2px);
}

.eyebrow,
.eyebrow-group {
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.button-primary-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    transition: background var(--duration-fast) var(--ease-fluent), box-shadow var(--duration-fast) var(--ease-fluent);
}

.button-primary-link:hover {
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: var(--shadow-8);
}

.screen-reader-text {
    position: absolute;
    left: -9999px;
}