/*
Theme Name: 龙城传奇
Theme URI: 
Author: 
Description: 龙城传奇 · 经典传奇游戏资讯站，现代清爽风格，支持动态栏目、配色自定义、序号系统、SEO、开服API
Version: 1.0
*/

/* ============================================================
   CSS 变量 — 现代清爽风（兼容后台配色自定义）
   ============================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 基础色（后台配色会覆盖） */
    --stn-primary: #4a90d9;
    --stn-secondary: #357abd;
    --stn-button: #4a90d9;
    --stn-bg: #f5f7fa;
    --stn-card-bg: #ffffff;
    --stn-text: #3d4a5c;
    --stn-text-light: #556378;
    --stn-text-muted: #8896a8;
    --stn-border: #e2e8f0;
    --stn-border-light: #f0f2f5;
    --stn-shadow: 0 1px 3px rgba(0,0,0,.04),0 1px 2px rgba(0,0,0,.06);
    --stn-radius: 8px;
    --stn-radius-btn: 6px;
    --stn-transition: 0.2s ease;
    --stn-header-height: auto;
    --stn-font: -apple-system, 'Microsoft YaHei', 'PingFang SC', 'Noto Sans SC', sans-serif;
    
    /* 兼容旧版变量名 */
    --color-bg: var(--stn-bg);
    --color-surface: var(--stn-card-bg);
    --color-text: var(--stn-text);
    --color-text-secondary: var(--stn-text-light);
    --color-text-muted: var(--stn-text-muted);
    --color-primary: var(--stn-primary);
    --color-primary-light: var(--stn-secondary);
    --color-primary-soft: rgba(74,144,217,.1);
    --color-border: var(--stn-border);
    --color-border-light: var(--stn-border-light);
    --color-shadow: var(--stn-shadow);
    --radius-card: var(--stn-radius);
    --radius-btn: var(--stn-radius-btn);
    --transition: var(--stn-transition);
    --header-height: var(--stn-header-height);
    --font-family: var(--stn-font);
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-family);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   顶部公告条
   ============================================================ */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 7px 0;
    font-size: 0.82rem;
    color: var(--color-text-muted);
    overflow: hidden;
}

.topbar .container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar .tag {
    background: var(--color-primary);
    color: #fff;
    font-size: 0.72rem;
    padding: 1px 10px;
    border-radius: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.topbar .txt {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================================
   导航栏
   ============================================================ */
.header {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0,0,0,.02);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 12px;
    padding: 0 20px;
}

/* Logo 区域（顶部独立） */
.logo-area {
    text-align: center;
    padding: 32px 20px 24px;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.logo-area h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-text);
}

.logo-area h1 a {
    color: var(--color-text);
}

.logo-area h1 a:hover {
    color: var(--color-text);
}

.logo-area p {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    letter-spacing: 2px;
    margin-top: 4px;
}

/* 导航（固定） */
.nav-main {
    display: flex;
    gap: 0;
}

.nav-main a {
    display: block;
    padding: 12px 22px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    position: relative;
    transition: color 0.2s, background 0.2s;
}

.nav-main a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 22px;
    right: 22px;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.2s;
}

.nav-main a:hover::after,
.nav-main a.active::after {
    transform: scaleX(1);
}

.nav-main a:hover,
.nav-main a.active {
    color: var(--color-primary);
    background: var(--color-primary-soft);
}

.header-tools {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.search-box {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    overflow: hidden;
    background: var(--color-bg);
}

.search-box form {
    display: flex;
    width: 100%;
}

.search-box input {
    flex: 1;
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 0.85rem;
    font-family: var(--font-family);
    outline: none;
    min-width: 0;
    width: 140px;
}

.search-box input::placeholder {
    color: var(--color-text-muted);
}

.search-box button {
    padding: 6px 12px;
    background: transparent;
    border: none;
    border-left: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.search-box button:hover {
    color: var(--color-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
    border-radius: 2px;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin: 16px 0 12px;
}

.breadcrumb a {
    color: var(--color-text-muted);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb .sep {
    margin: 0 5px;
    color: #b0bccd;
}

/* ============================================================
   页脚
   ============================================================ */
.footer {
    margin-top: 36px;
    border-top: 1px solid var(--color-border);
    background: #fff;
    padding: 28px 0 20px;
}

.footer .container {
    display: block;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: 0.85rem;
    color: var(--color-text);
    margin-bottom: 8px;
}

.footer-col p,
.footer-col a {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    line-height: 2;
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
    text-align: center;
    font-size: 0.74rem;
    color: var(--color-text-muted);
}

/* ============================================================
   通用工具类
   ============================================================ */
.hidden {
    display: none !important;
}

/* ============================================================
   滚动条
   ============================================================ */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 8px;
}
::-webkit-scrollbar-thumb:hover {
    opacity: 0.8;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 820px) {
    .nav-main {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
        box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        align-items: stretch;
        z-index: 999;
    }
    .nav-main.open {
        transform: translateY(0);
    }
    .nav-main a {
        padding: 12px 16px;
        border-bottom: 1px solid var(--color-border-light);
        border-radius: 0;
        font-size: 1rem;
        color: var(--color-text);
    }
    .nav-main a.active {
        border-left: 3px solid var(--color-primary);
        border-bottom-color: transparent;
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }
    .nav-main a::after {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .search-box input {
        width: 100px;
    }
    .search-box input:focus {
        width: 130px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }
    .logo-area {
        padding: 20px 16px 16px;
    }
    .logo-area h1 {
        font-size: 1.5rem;
    }
    .header-inner {
        padding: 0 16px;
        flex-wrap: wrap;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .footer {
        padding: 20px 0 16px;
    }
}