/* ============================================
   格斗兄弟 Fighting Bros Club —— 全局样式
   配色：主色 #E60012  背景 #FFFFFF  深炭黑 #1A1A1A
   正文 #333  辅助 #888  卡片灰 #F2F2F2
   ============================================ */

:root {
    --red: #E60012;
    --red-dark: #c4000f;
    --black: #1A1A1A;
    --gray: #333;
    --gray-light: #888;
    --card-gray: #F2F2F2;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Source Han Sans CN", -apple-system, sans-serif;
    color: var(--gray);
    background: #fff;
    line-height: 1.7;
    font-size: 15px;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* 英文粗体字体类 */
.font-en {
    font-family: "Arial Black", "Impact", "Helvetica", sans-serif;
    font-weight: 900;
    letter-spacing: 0.02em;
}

/* ============ 导航栏 ============ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: all 0.3s ease;
}
.navbar.transparent { background: transparent; }
.navbar.scrolled {
    background: var(--black);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}
.logo-circle {
    width: 44px; height: 44px;
    background: var(--red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: "Arial Black", sans-serif;
    font-weight: 900;
    font-size: 18px;
    letter-spacing: -1px;
}
.logo-text { line-height: 1.2; }
.logo-text .cn { font-size: 18px; font-weight: 900; }
.logo-text .en { font-size: 10px; letter-spacing: 2px; opacity: 0.8; font-family: Arial, sans-serif; }

.nav-menu { display: flex; gap: 6px; align-items: center; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
    display: block;
    padding: 8px 18px;
    color: #fff;
    font-size: 15px;
    border-radius: 30px;
    transition: all 0.25s;
    font-weight: 500;
}
.nav-menu > li > a:hover { background: rgba(255,255,255,0.1); }
.nav-menu > li.active > a {
    background: var(--red);
    color: #fff;
}

/* 我想 大型下拉 */
.mega-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 720px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}
.nav-menu > li:hover .mega-panel {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.mega-block {
    background: var(--card-gray);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
}
.mega-block h4 {
    font-size: 15px;
    color: var(--black);
    margin-bottom: 10px;
    font-weight: 700;
}
.mega-block ul { margin-bottom: 12px; }
.mega-block ul li a {
    display: block;
    padding: 4px 0;
    font-size: 13px;
    color: #666;
    transition: color 0.2s;
}
.mega-block ul li a:hover { color: var(--red); }
.mega-block .mega-img {
    height: 90px;
    border-radius: 6px;
    background: #ccc;
    margin-bottom: 10px;
    overflow: hidden;
}
.mega-block .mega-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }
.mega-block .btn-mega {
    display: block;
    background: var(--red);
    color: #fff;
    text-align: center;
    padding: 8px;
    border-radius: 6px;
    font-size: 13px;
    margin-top: auto;
    transition: background 0.2s;
}
.mega-block .btn-mega:hover { background: var(--red-dark); }

/* 二级下拉 */
.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
}
.nav-menu > li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.sub-menu li a {
    display: block;
    padding: 10px 20px;
    color: #333;
    font-size: 14px;
    transition: all 0.2s;
}
.sub-menu li a:hover { background: var(--card-gray); color: var(--red); }

/* 汉堡按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    width: 26px; height: 2px;
    background: #fff;
    transition: all 0.3s;
}

/* 移动端全屏菜单 */
.mobile-menu {
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.35s;
    padding: 80px 30px 30px;
    overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu ul li a {
    display: block;
    padding: 16px 0;
    color: #fff;
    font-size: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.mobile-close {
    position: absolute;
    top: 22px; right: 24px;
    color: #fff;
    font-size: 32px;
    cursor: pointer;
}

@media (max-width: 991px) {
    .nav-menu { display: none; }
    .hamburger { display: flex; }
}

/* ============ 章节标题 ============ */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title .lines {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 8px;
}
.section-title .bar {
    width: 4px; height: 36px;
    background: var(--red);
}
.section-title h2 {
    font-size: 42px;
    font-weight: 900;
    color: var(--black);
    letter-spacing: 4px;
}
.section-title .en {
    font-size: 14px;
    color: var(--gray-light);
    letter-spacing: 6px;
    font-family: Arial, sans-serif;
    font-weight: 700;
    margin-top: 6px;
    display: block;
}
.section-title.light h2 { color: #fff; }

@media (max-width: 768px) {
    .section-title h2 { font-size: 30px; letter-spacing: 2px; }
    .section-title .bar { height: 28px; }
}

/* ============ 按钮 ============ */
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: #fff;
    border: 1px solid var(--red);
    color: var(--red);
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}
.btn-outline:hover {
    background: var(--red);
    color: #fff;
}
.btn-outline .arrow { transition: transform 0.3s; }
.btn-outline:hover .arrow { transform: translateX(4px); }

/* 深色背景上的透明描边按钮 */
.btn-outline.btn-outline-light {
    background: transparent;
    border-color: #fff;
    color: #fff;
}
.btn-outline.btn-outline-light:hover {
    background: #fff;
    color: var(--red);
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    background: var(--red);
    color: #fff;
    border: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}
.btn-solid:hover { background: var(--red-dark); }

/* ============ 通用容器 ============ */
.container { max-width: 1280px; margin: 0 auto; padding: 0 30px; }
.section { padding: 80px 0; }
@media (max-width: 768px) { .section { padding: 50px 0; } }

/* ============ 滚动淡入（CSS 自动播放，不依赖 JS，避免内容空白） ============ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    animation: revealAutoFade 0.8s ease forwards;
    animation-delay: 0.15s;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
@keyframes revealAutoFade {
    to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; animation: none; }
}

/* ============ 页脚 ============ */
.footer {
    background: var(--black);
    color: #fff;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col h4 {
    font-size: 15px;
    margin-bottom: 16px;
    color: rgba(255,255,255,0.5);
    font-weight: 500;
}
.footer-col .icon-line {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
}
.footer-col .icon-line svg { width: 24px; height: 24px; stroke: var(--red); fill: none; stroke-width: 1.5; }
.footer-qrcode {
    width: 110px; height: 110px;
    background: #fff;
    border-radius: 6px;
    padding: 6px;
    text-align: center;
}
.footer-qrcode img { width: 100%; height: 100%; object-fit: contain; }
.footer-qrcode p { color: rgba(255,255,255,0.6); font-size: 12px; margin-top: 8px; }
.footer-bottom {
    padding: 20px 0;
    text-align: center;
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}
@media (max-width: 991px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 575px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ============ 手机悬浮电话条 ============ */
.mobile-call-bar {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: #2ecc71;
    color: #fff;
    text-align: center;
    padding: 14px;
    font-size: 16px;
    font-weight: 700;
    z-index: 998;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
@media (max-width: 991px) {
    .mobile-call-bar { display: block; }
    body { padding-bottom: 56px; }
}

/* ============ 后台通用样式 ============ */
.admin-body { background: #f5f5f5; font-family: "Microsoft YaHei", sans-serif; }
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: 230px;
    background: var(--black);
    color: #fff;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    overflow-y: auto;
    z-index: 100;
}
.admin-sidebar .logo-area {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}
.admin-sidebar .logo-area h1 { font-size: 18px; color: #fff; }
.admin-sidebar .logo-area p { font-size: 11px; color: rgba(255,255,255,0.5); letter-spacing: 2px; margin-top: 4px; }
.admin-sidebar ul { padding: 12px 0; }
.admin-sidebar ul li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.admin-sidebar ul li a:hover,
.admin-sidebar ul li a.active {
    background: rgba(255,255,255,0.05);
    color: #fff;
    border-left-color: var(--red);
}
.admin-main {
    margin-left: 230px;
    flex: 1;
    min-height: 100vh;
}
.admin-topbar {
    background: #fff;
    padding: 16px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-topbar .module-name { font-size: 18px; font-weight: 700; color: var(--black); }
.admin-topbar .user-area { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.admin-topbar .user-area a { color: var(--gray); }
.admin-topbar .user-area a:hover { color: var(--red); }
.admin-content { padding: 28px; }
.admin-card {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    margin-bottom: 24px;
}
.admin-card h3 { font-size: 16px; margin-bottom: 16px; color: var(--black); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 12px; text-align: left; border-bottom: 1px solid #eee; font-size: 14px; }
.admin-table th { background: #fafafa; font-weight: 600; color: #555; }
.admin-table tr:hover td { background: #fafafa; }
.admin-table img { max-height: 50px; border-radius: 4px; }
.admin-btn {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}
.admin-btn-edit { background: #f0f0f0; color: #333; }
.admin-btn-edit:hover { background: var(--red); color: #fff; }
.admin-btn-del { background: #f0f0f0; color: #333; margin-left: 6px; }
.admin-btn-del:hover { background: var(--red); color: #fff; }
.admin-btn-primary { background: var(--red); color: #fff; }
.admin-btn-primary:hover { background: var(--red-dark); }
.admin-btn-add {
    background: var(--red);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    display: inline-block;
    margin-bottom: 16px;
}
.admin-btn-add:hover { background: var(--red-dark); }
.admin-form .form-group { margin-bottom: 20px; }
.admin-form label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; color: #555; }
.admin-form label .req { color: var(--red); }
.admin-form input[type=text],
.admin-form input[type=number],
.admin-form input[type=date],
.admin-form input[type=password],
.admin-form select,
.admin-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border 0.2s;
}
.admin-form input:focus, .admin-form select:focus, .admin-form textarea:focus {
    outline: none;
    border-color: var(--red);
}
.admin-form textarea { resize: vertical; min-height: 120px; }
.admin-form .preview-img { max-width: 200px; max-height: 150px; margin-top: 8px; border-radius: 6px; }
.admin-filter { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.admin-filter input, .admin-filter select { padding: 8px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; }
.admin-filter button { padding: 8px 16px; background: var(--red); color: #fff; border: none; border-radius: 6px; cursor: pointer; }
.admin-tabs { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 2px solid #eee; }
.admin-tabs a {
    padding: 10px 20px;
    font-size: 14px;
    color: #666;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.admin-tabs a.active { color: var(--red); border-bottom-color: var(--red); font-weight: 600; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.stat-card .num { font-size: 36px; font-weight: 900; color: var(--red); font-family: "Arial Black", sans-serif; }
.stat-card .label { font-size: 14px; color: #888; margin-top: 6px; }

@media (max-width: 991px) {
    .admin-sidebar { display: none; }
    .admin-main { margin-left: 0; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

.pagination { display: flex; gap: 6px; margin-top: 20px; justify-content: center; }
.pagination a {
    padding: 6px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    color: #333;
}
.pagination a.active { background: var(--red); color: #fff; border-color: var(--red); }

/* 登录页 */
.login-page {
    min-height: 100vh;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.login-box {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.login-box .login-logo {
    text-align: center;
    margin-bottom: 30px;
}
.login-box .login-logo .circle {
    width: 60px; height: 60px;
    background: var(--red);
    border-radius: 50%;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: "Arial Black", sans-serif;
    font-size: 22px;
}
.login-box h2 { text-align: center; font-size: 22px; margin-bottom: 6px; }
.login-box p { text-align: center; color: #888; font-size: 13px; margin-bottom: 24px; letter-spacing: 2px; }
.login-box input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.login-box input:focus { outline: none; border-color: var(--red); }
.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--red);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.login-box button:hover { background: var(--red-dark); }