@charset "utf-8";

:root {
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    
    --line-height-tight: 1.25;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    --container-max: 75rem;
    --container-md: 60rem;
    --container-sm: 48rem;
    
    --color-primary: #873228;
    --color-accent: #daa64a;
    --color-text: #c2a971;
    --color-text-dark: #706553;
    --color-text-light: #8b816d;
    --color-bg-dark: #000000;
    --color-bg-card: #101010;
    --color-link: #333;
    --color-link-hover: #f40;
    
    --font-family-base: "微软雅黑", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-heading: "微软雅黑", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
    --font-family-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family-base);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg-dark);
    min-width: 320px;
}

h1, h2, h3, h4, h5, h6,
ul, ol, li,
p, figure, blockquote, dl, dd {
    margin: 0;
    padding: 0;
}

ul, ol {
    list-style: none;
}

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

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

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

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

button {
    cursor: pointer;
    background: none;
    border: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

:focus {
    outline: 0;
}

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

.flex { display: flex; }
.flex-inline { display: inline-flex; }

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col-reverse { flex-direction: column-reverse; }

.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

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

.float-left { float: left; }
.float-right { float: right; }
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.hidden { display: none !important; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-full { max-width: 100%; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.min-h-screen { min-height: 100vh; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
}

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

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

.font-sun { font-family: "SimSun", "宋体", serif; }
.font-hei { font-family: "SimHei", "黑体", sans-serif; }
.font-yahei { font-family: "Microsoft YaHei", "微软雅黑", sans-serif; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md { font-size: var(--font-size-md); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-xxl { font-size: var(--font-size-xxl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

@media (max-width: 47.9375rem) {
    .hide-mobile { display: none !important; }
}

@media (min-width: 48rem) and (max-width: 74.9375rem) {
    .hide-tablet { display: none !important; }
}

@media (min-width: 75rem) {
    .hide-desktop { display: none !important; }
}

.warp { 
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
}

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

.tc { text-align: center; }
.tl { text-align: left; }
.tr { text-align: right; }
.fl { float: left; }
.fr { float: right; }

.sinSun { font-family: "SimSun", "宋体", serif; }
.sinHei { font-family: "SimHei", "黑体", sans-serif; }
.microHei { font-family: "Microsoft YaHei", "微软雅黑", sans-serif; }

.mb5 { margin-bottom: 0.3125rem; }
.mb40 { margin-bottom: 2.5rem; }

.clear { clear: both; }