/* ============================================================
   魔兽世界攻略站 · style.css
   暗黑魔幻金属风 · 符合 W3C CSS3 规范 · 响应式
   ============================================================ */

:root {
    --bg-main: #0c0a09;
    --bg-card: #1a1513;
    --bg-header: #14100e;
    --gold-bronze: #c89648;
    --red-dark: #992b2b;
    --red-glow: #b83838;
    --text-primary: #e6dfd9;
    --text-secondary: #a8988c;
    --text-muted: #8c7c70;
    --border-metal: #44372e;
    --border-glow: #70543c;
    --hover-bg: #271f1b;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Microsoft Yahei", "PingFang SC", sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.8;
    background-image: radial-gradient(#221b17 0, transparent 70%);
    min-height: 100vh;
}

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

.container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 18px;
}

/* ============ 顶部导航 ============ */
header {
    background-color: var(--bg-header);
    border-bottom: 2px solid var(--border-metal);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
    position: sticky;
    top: 0;
    z-index: 99;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    font-size: 26px;
    font-weight: bold;
    color: var(--gold-bronze);
    text-decoration: none;
    letter-spacing: 1px;
    text-shadow: 0 0 8px rgba(200, 150, 72, 0.35);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
}

nav.main-nav ul {
    display: flex;
    gap: 28px;
    list-style: none;
}

nav.main-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.25s ease;
    position: relative;
}

nav.main-nav a:hover {
    color: var(--gold-bronze);
}

nav.main-nav a:hover::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -6px;
    left: 0;
    background: var(--gold-bronze);
    box-shadow: 0 0 6px var(--gold-bronze);
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap {
    padding: 14px 0;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid #2c241f;
}

.breadcrumb-wrap a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb-wrap a:hover {
    color: var(--gold-bronze);
}

/* ============ 首页横幅 ============ */
.hero-banner {
    position: relative;
    padding: 76px 0;
    text-align: center;
    border-bottom: 1px solid var(--border-metal);
}

.hero-banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.55;
}

.hero-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(12, 10, 9, 0.82), rgba(12, 10, 9, 0.95));
}

.hero-banner .container {
    position: relative;
    z-index: 2;
}

.hero-banner h1 {
    font-size: 42px;
    color: var(--gold-bronze);
    margin-bottom: 16px;
    text-shadow: 0 0 10px rgba(200, 150, 72, 0.3);
}

.hero-banner p {
    max-width: 760px;
    margin: 0 auto;
    font-size: 18px;
    color: #c2b4a9;
}

.hero-banner small {
    display: block;
    margin-top: 10px;
    color: #948478;
    font-size: 14px;
}

/* ============ 搜索框 ============ */
.search-box-wrap {
    margin-top: 28px;
}

#search-input {
    width: 100%;
    max-width: 520px;
    padding: 13px 18px;
    border-radius: 4px;
    border: 1px solid var(--border-metal);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: border-color 0.25s ease;
}

#search-input:focus {
    border-color: var(--gold-bronze);
    box-shadow: 0 0 10px rgba(200, 150, 72, 0.2);
}

/* ============ 主体布局 ============ */
main {
    padding: 46px 0;
}

.layout-row {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 36px;
    align-items: start;
}

/* ============ 卡片 ============ */
.card {
    background-color: var(--bg-card);
    border-radius: 6px;
    padding: 28px;
    margin-bottom: 28px;
    border: 1px solid var(--border-metal);
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
    transition: transform 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.65);
    border-color: var(--border-glow);
}

.card h2 {
    color: var(--gold-bronze);
    margin-bottom: 18px;
    font-size: 24px;
    padding-bottom: 10px;
    border-bottom: 1px solid #382e27;
}

.card h3 {
    color: #d4a066;
    margin: 22px 0 12px;
    font-size: 20px;
}

.card h4 {
    color: #c9966a;
    margin: 16px 0 8px;
    font-size: 16px;
}

.card p {
    color: #d1c6bd;
    margin-bottom: 14px;
    font-size: 15px;
}

.card ul {
    padding-left: 22px;
    margin-bottom: 14px;
}

.card ul li {
    color: #c4b7ad;
    margin-bottom: 8px;
    font-size: 15px;
}

.card strong {
    color: var(--gold-bronze);
}

/* ============ 标签 / 星级 ============ */
.tag {
    display: inline-block;
    font-size: 12px;
    padding: 2px 10px;
    border: 1px solid var(--border-glow);
    border-radius: 3px;
    color: #d4a066;
    margin-right: 8px;
}

.stars {
    color: #e0b25e;
    letter-spacing: 1px;
}

/* ============ 图片 ============ */
.card-image {
    width: 100%;
    aspect-ratio: 21 / 9;
    border-radius: 6px;
    border: 1px solid var(--border-metal);
    overflow: hidden;
    margin-bottom: 20px;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prof-image {
    width: 100%;
    max-width: 840px;
    aspect-ratio: 32 / 9;
    border-radius: 6px;
    border: 1px solid var(--border-metal);
    overflow: hidden;
    margin: 18px 0;
}

.prof-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============ 新闻 ============ */
.news-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid #302721;
    align-items: center;
}

.news-item:last-child {
    border-bottom: none;
}

.news-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 6px;
    border: 1px solid var(--border-metal);
    overflow: hidden;
}

.news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-item:hover .news-thumb img {
    transform: scale(1.05);
}

.news-body .news-date {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.news-item h4 {
    color: var(--text-primary);
    font-size: 18px;
    margin-bottom: 10px;
}

.news-item p {
    font-size: 15px;
    color: #b8a99d;
}

/* ============ Tab 切换 ============ */
.tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tab-btn {
    padding: 9px 18px;
    border: 1px solid var(--border-metal);
    background-color: var(--bg-main);
    color: var(--text-secondary);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.22s ease;
    font-size: 14px;
}

.tab-btn:hover {
    border-color: var(--border-glow);
    color: #d4a066;
}

.tab-btn.active {
    background-color: #2e241d;
    color: var(--gold-bronze);
    border-color: var(--gold-bronze);
    box-shadow: 0 0 8px rgba(200, 150, 72, 0.2);
}

.tab-panel {
    display: none;
}

.tab-panel.show {
    display: block;
}

/* ============ 提示块 ============ */
.tips-block {
    background-color: #241d19;
    border-left: 4px solid var(--gold-bronze);
    padding: 14px 18px;
    margin-top: 16px;
    border-radius: 0 4px 4px 0;
    color: #d4bc9c;
    font-size: 15px;
}

/* ============ FAQ ============ */
.faq-item {
    border-bottom: 1px solid #302721;
}

.faq-question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 16px 0;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    color: var(--gold-bronze);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.38s ease;
    color: var(--text-secondary);
    padding-bottom: 0;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 15px;
}

.faq-answer.open {
    max-height: 420px;
    padding-bottom: 16px;
}

/* ============ 侧边栏 ============ */
aside {
    position: sticky;
    top: 96px;
}

.sidebar-block {
    background-color: var(--bg-card);
    border: 1px solid var(--border-metal);
    border-radius: 6px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

.sidebar-block h3 {
    color: var(--gold-bronze);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #382e27;
}

.sidebar-block ul {
    list-style: none;
}

.sidebar-block li {
    margin-bottom: 12px;
}

.sidebar-block a {
    color: #b8a99d;
    text-decoration: none;
    transition: color 0.22s ease;
}

.sidebar-block a:hover {
    color: var(--gold-bronze);
}

.sidebar-block p {
    font-size: 14px;
    color: #948478;
}

/* ============ 返回顶部 ============ */
#back-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background-color: #271f1b;
    color: var(--gold-bronze);
    border: 1px solid var(--border-glow);
    cursor: pointer;
    display: none;
    z-index: 98;
    font-size: 18px;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

#back-top:hover {
    background-color: #382e27;
    box-shadow: 0 0 10px rgba(200, 150, 72, 0.3);
}

/* ============ 页脚 ============ */
footer {
    background-color: #0a0807;
    border-top: 1px solid var(--border-metal);
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 20px;
}

footer p + p {
    margin-top: 8px;
}

/* ============ 滚动动画 ============ */
.fade-in {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ 响应式 ============ */
@media (max-width: 992px) {
    .layout-row {
        grid-template-columns: 1fr;
    }

    aside {
        position: static;
    }

    .news-item {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav.main-nav ul {
        position: absolute;
        left: 0;
        top: 100%;
        width: 100%;
        background-color: var(--bg-header);
        flex-direction: column;
        padding: 20px;
        display: none;
        border-bottom: 2px solid var(--border-metal);
    }

    nav.main-nav ul.open {
        display: flex;
    }

    nav.main-nav a:hover::after {
        display: none;
    }

    .hero-banner {
        padding: 52px 0;
    }

    .hero-banner h1 {
        font-size: 30px;
    }

    .hero-banner p {
        font-size: 16px;
    }

    .card {
        padding: 20px;
    }

    .card-image {
        aspect-ratio: 16 / 9;
    }

    .tab-btn {
        padding: 7px 13px;
        font-size: 13px;
    }
}