/* ============================================================
   guobomu.com - AI短剧《重生之征服郭伯母》宣传落地页样式
   主题：暗黑短剧平台风（红紫渐变 + 电光点缀）
   ============================================================ */

/* ---------- 基础重置 ---------- */
:root {
    --bg: #0b0a14;
    --bg-soft: #131021;
    --card: #1b1729;
    --text: #f0ecff;
    --text-dim: #b9aed4;
    --brand-a: #ff2d78;
    --brand-b: #8b2dff;
    --electric: #4de1ff;
    --line: rgba(255, 255, 255, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Microsoft YaHei UI", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    background-image:
        radial-gradient(1200px 600px at 80% -10%, rgba(139, 45, 255, 0.18), transparent 60%),
        radial-gradient(1000px 600px at 10% 20%, rgba(255, 45, 120, 0.12), transparent 60%);
    background-attachment: fixed;
}

.container {
    width: min(1100px, calc(100% - 40px));
    margin: 0 auto;
}

.center {
    text-align: center;
}

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

/* ---------- 顶栏 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(11, 10, 20, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo span {
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav {
    display: flex;
    gap: 26px;
}

.nav a {
    color: var(--text-dim);
    font-size: 15px;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--text);
}

/* ---------- 主视觉标题区 ---------- */
.hero {
    padding: 72px 0 40px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--text);
    background: linear-gradient(90deg, rgba(255, 45, 120, 0.25), rgba(139, 45, 255, 0.25));
    border: 1px solid rgba(255, 45, 120, 0.4);
    margin-bottom: 22px;
}

.hero-title {
    font-size: clamp(34px, 7vw, 60px);
    font-weight: 900;
    line-height: 1.15;
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b), var(--electric));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 40px rgba(255, 45, 120, 0.25);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: clamp(16px, 2.6vw, 20px);
    color: var(--text);
    max-width: 760px;
    margin: 0 auto 10px;
}

.hero-legacy {
    color: var(--text-dim);
    font-size: 15px;
}

/* ---------- 下载按钮区 ---------- */
.download-hero {
    padding: 24px 0 20px;
}

.btn-download {
    display: inline-block;
    padding: 16px 36px;
    font-size: 19px;
    font-weight: 800;
    color: #fff;
    border-radius: 12px;
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b));
    box-shadow: 0 10px 30px rgba(255, 45, 120, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-download.large {
    padding: 18px 44px;
    font-size: 22px;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(255, 45, 120, 0.55);
}

.download-hint {
    margin-top: 14px;
    color: var(--text-dim);
    font-size: 14px;
}

/* ---------- 通用区块 ---------- */
.section {
    padding: 56px 0;
}

.section-title {
    font-size: 26px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 12px;
}

.section-title::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b));
}

/* ---------- 剧情简介 ---------- */
.synopsis {
    background: linear-gradient(180deg, transparent, var(--bg-soft));
}

.synopsis-text {
    max-width: 820px;
    margin: 0 auto;
    color: var(--text-dim);
    text-align: center;
    font-size: 17px;
}

/* ---------- 图片展示（占位符） ---------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.poster {
    aspect-ratio: 9 / 13;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 15px;
    letter-spacing: 1px;
    background: linear-gradient(160deg, #241d3a, #161129);
    border: 1px dashed rgba(255, 255, 255, 0.18);
}

/* ---------- 资源亮点 ---------- */
.highlight-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.highlight-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 26px 22px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.highlight-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 45, 120, 0.5);
}

.highlight-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--brand-a), var(--brand-b));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.highlight-card p {
    color: var(--text-dim);
    font-size: 14px;
}

/* ---------- 底部下载 ---------- */
.download-cta {
    padding: 44px 0;
    background: linear-gradient(90deg, rgba(255, 45, 120, 0.08), rgba(139, 45, 255, 0.08));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-item {
    max-width: 820px;
    margin: 0 auto 16px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px 24px;
}

.faq-item h3 {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 8px;
}

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

/* ---------- 用户评论 ---------- */
.review-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.review {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 18px;
    color: var(--text-dim);
    font-size: 14px;
}

.review-user {
    display: block;
    font-weight: 800;
    color: var(--text);
    font-size: 14px;
    margin-bottom: 6px;
}

.review-user::before {
    content: "★ ";
    color: var(--brand-a);
}

/* ---------- 页脚 ---------- */
.site-footer {
    padding: 36px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 13px;
    border-top: 1px solid var(--line);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .highlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .nav {
        gap: 16px;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .highlight-grid,
    .review-list {
        grid-template-columns: 1fr;
    }
    .btn-download.large {
        font-size: 17px;
        padding: 15px 26px;
    }
    .btn-download {
        font-size: 16px;
        padding: 14px 22px;
    }
    .section-title {
        font-size: 22px;
    }
}