/* ============================================================
   动漫共和国 - 共享样式
   主题：银河共和国 · 二次元
   ============================================================ */
:root {
    --ink-1: #0f1226;
    --ink-2: #1b1e3a;
    --ink-3: #2c3056;
    --text-1: #161a32;
    --text-2: #4a4f6e;
    --text-3: #7c83a1;
    --line: #e6e8f3;
    --line-soft: #f1f3fb;
    --bg: #f7f8fc;
    --bg-alt: #ffffff;
    --primary: #7c5cff;
    --primary-2: #ff4d9d;
    --accent: #2ec5ff;
    --gold: #ffce5b;
    --danger: #ff5470;
    --radius-1: 12px;
    --radius-2: 18px;
    --radius-3: 26px;
    --shadow-1: 0 6px 18px rgba(20, 22, 50, 0.06);
    --shadow-2: 0 18px 40px rgba(20, 22, 50, 0.10);
    --shadow-3: 0 30px 80px rgba(124, 92, 255, 0.25);
    --max: 1180px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-1);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-2); }
button { font-family: inherit; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* ======= 按钮 ======= */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 15px;
    border: 1px solid transparent; cursor: pointer; transition: all .25s ease;
    white-space: nowrap;
}
.btn-primary {
    color: #fff; background: linear-gradient(95deg, #ff4d9d 0%, #7c5cff 50%, #2ec5ff 100%);
    box-shadow: 0 12px 28px rgba(124, 92, 255, 0.32);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(255, 77, 157, 0.32); color: #fff; }
.btn-ghost {
    color: #fff; background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.32);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,.16); color: #fff; }
.btn-outline {
    color: var(--ink-1); background: #fff; border-color: var(--line);
}
.btn-outline:hover { color: var(--primary); border-color: var(--primary); }

/* ======= 导航 ======= */
.nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(15, 18, 38, 0.85); backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: #fff;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand img { width: 44px; height: 44px; }
.brand-name { font-size: 19px; font-weight: 700; letter-spacing: 0.5px; }
.brand-sub { font-size: 12px; color: #b6bcd9; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
    color: #d8dcf0; padding: 8px 14px; border-radius: 999px; font-size: 15px;
    transition: all .2s ease;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-links a.active { color: #fff; background: linear-gradient(95deg, rgba(255,77,157,.3), rgba(124,92,255,.3)); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: transparent; border: 1px solid rgba(255,255,255,.2); color: #fff; border-radius: 10px; padding: 6px 10px; cursor: pointer; }

/* ======= HERO ======= */
.hero {
    position: relative; overflow: hidden;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(255, 77, 157, 0.35), transparent 55%),
        radial-gradient(ellipse at 80% 0%, rgba(46, 197, 255, 0.30), transparent 55%),
        linear-gradient(180deg, #0f1226 0%, #1b1e3a 60%, #2a1b54 100%);
    color: #fff; padding: 80px 0 100px;
}
.hero::before {
    content: ""; position: absolute; inset: 0; background-image:
        radial-gradient(2px 2px at 12% 18%, #fff, transparent 60%),
        radial-gradient(1px 1px at 30% 72%, rgba(255,255,255,.85), transparent 60%),
        radial-gradient(2px 2px at 65% 22%, #fff, transparent 60%),
        radial-gradient(1.5px 1.5px at 78% 70%, rgba(255,255,255,.9), transparent 60%),
        radial-gradient(1px 1px at 50% 48%, rgba(255,255,255,.7), transparent 60%),
        radial-gradient(2px 2px at 88% 14%, #fff, transparent 60%),
        radial-gradient(1px 1px at 22% 88%, rgba(255,255,255,.7), transparent 60%),
        radial-gradient(1.5px 1.5px at 92% 50%, #fff, transparent 60%);
    pointer-events: none; opacity: .9;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; position: relative; z-index: 2; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
    background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22); color: #ffce5b;
    font-size: 13px; font-weight: 600; letter-spacing: 1px;
}
.hero h1 {
    font-size: 52px; line-height: 1.18; margin: 18px 0 16px; font-weight: 800;
    background: linear-gradient(90deg, #fff 0%, #ffce5b 50%, #ff4d9d 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    letter-spacing: 1px;
}
.hero h1 .small { display: block; font-size: 20px; color: #cdd1ec; font-weight: 500; background: none; -webkit-text-fill-color: #cdd1ec; margin-top: 8px; letter-spacing: 1px; }
.hero p.lede { color: #d4d8f0; font-size: 17px; max-width: 540px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 22px; margin-top: 32px; flex-wrap: wrap; }
.hero-meta .item { display: flex; align-items: center; gap: 10px; color: #d4d8f0; font-size: 14px; }
.hero-meta .num { font-size: 22px; font-weight: 800; color: #ffce5b; }
.hero-meta .lbl { color: #a4abc9; font-size: 12px; }

/* 手机外壳 */
.phone-stage { position: relative; display: flex; justify-content: center; }
.phone {
    position: relative; width: 280px; height: 590px; border-radius: 44px;
    background: linear-gradient(160deg, #2a1b54 0%, #0f1226 100%);
    box-shadow: var(--shadow-3), inset 0 0 0 2px rgba(255,255,255,.08);
    padding: 12px;
    transform: rotate(-3deg);
}
.phone::before {
    content: ""; position: absolute; top: 22px; left: 50%; transform: translateX(-50%);
    width: 90px; height: 18px; background: #000; border-radius: 0 0 14px 14px; z-index: 3;
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 32px; }
.phone-card {
    position: absolute; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.96);
    color: var(--text-1); font-size: 13px; box-shadow: var(--shadow-2);
    display: flex; align-items: center; gap: 10px; backdrop-filter: blur(6px);
}
.phone-card .dot { width: 10px; height: 10px; border-radius: 50%; background: #2ec5ff; }
.phone-card .num { font-weight: 800; font-size: 18px; color: var(--ink-1); }
.phone-card.tl { top: 60px; left: -40px; }
.phone-card.br { bottom: 90px; right: -40px; }

/* ======= 数据信任条 ======= */
.trust {
    background: #fff; padding: 38px 0; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
}
.trust-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; text-align: center; }
.trust-item .num {
    font-size: 32px; font-weight: 800; color: var(--ink-1);
    background: linear-gradient(95deg, #ff4d9d, #7c5cff, #2ec5ff);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.trust-item .lbl { color: var(--text-3); font-size: 14px; margin-top: 4px; }

/* ======= 通用 section 标题 ======= */
.section { padding: 80px 0; }
.section.tight { padding: 60px 0; }
.section.alt { background: var(--bg-alt); }
.eyebrow { display: inline-block; font-size: 13px; color: var(--primary); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.section h2 { font-size: 36px; line-height: 1.25; color: var(--ink-1); margin: 12px 0 12px; font-weight: 800; }
.section .sub { color: var(--text-2); max-width: 720px; font-size: 16px; margin: 0 0 40px; }

/* ======= 核心功能 6 宫格 ======= */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat-card {
    background: #fff; border-radius: var(--radius-2); padding: 30px 28px; border: 1px solid var(--line-soft);
    transition: all .3s ease; position: relative; overflow: hidden;
}
.feat-card::before {
    content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,77,157,.04), rgba(46,197,255,.05));
    opacity: 0; transition: opacity .3s ease;
}
.feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: rgba(124,92,255,.2); }
.feat-card:hover::before { opacity: 1; }
.feat-card .ico { width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #ff4d9d, #7c5cff); color: #fff; margin-bottom: 18px; }
.feat-card h3 { font-size: 20px; color: var(--ink-1); margin: 0 0 8px; font-weight: 700; }
.feat-card p { color: var(--text-2); font-size: 15px; margin: 0; }
.feat-card .tag { display: inline-block; margin-top: 14px; padding: 3px 10px; border-radius: 999px; background: var(--line-soft); color: var(--text-2); font-size: 12px; }

/* ======= 截图 gallery ======= */
.gallery {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 10px;
}
.phone-frame {
    position: relative; background: #0f1226; border-radius: 32px; padding: 8px;
    box-shadow: var(--shadow-2);
    transform: translateY(0);
    transition: transform .3s ease;
}
.phone-frame img { border-radius: 26px; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 9/19; background: #fff; }
.phone-frame:hover { transform: translateY(-6px); }
.gallery .item:nth-child(odd) { transform: translateY(12px); }
.gallery .item:nth-child(even) { transform: translateY(-6px); }
.gallery .item:nth-child(odd):hover { transform: translateY(8px); }
.gallery .item:nth-child(even):hover { transform: translateY(-12px); }
.gallery .item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
.gallery .item:nth-child(1) .phone-frame { aspect-ratio: auto; }
.gallery .caption { margin-top: 10px; font-size: 13px; color: var(--text-3); text-align: center; }

/* ======= 深度内容模块入口卡 ======= */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.entry-card {
    display: block; background: #fff; border-radius: var(--radius-2); padding: 32px 28px; border: 1px solid var(--line-soft);
    position: relative; overflow: hidden; color: var(--text-1); transition: all .3s ease;
}
.entry-card::after { content: "→"; position: absolute; right: 24px; top: 32px; font-size: 22px; color: var(--text-3); transition: all .3s ease; }
.entry-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); color: var(--text-1); }
.entry-card:hover::after { color: var(--primary); right: 18px; }
.entry-card .badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.entry-card .badge.t1 { background: rgba(255,77,157,.10); color: var(--primary-2); }
.entry-card .badge.t2 { background: rgba(124,92,255,.10); color: var(--primary); }
.entry-card .badge.t3 { background: rgba(46,197,255,.10); color: var(--accent); }
.entry-card h3 { font-size: 22px; margin: 14px 0 10px; color: var(--ink-1); }
.entry-card p { color: var(--text-2); font-size: 14px; margin: 0 0 14px; }
.entry-card .meta { display: flex; gap: 14px; color: var(--text-3); font-size: 13px; }

/* ======= 评价 ======= */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { background: #fff; border-radius: var(--radius-2); padding: 26px; border: 1px solid var(--line-soft); }
.review-card .head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.review-card .avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, #ff4d9d, #7c5cff); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.review-card .name { font-weight: 700; color: var(--ink-1); }
.review-card .info { font-size: 12px; color: var(--text-3); }
.review-card .stars { color: #ffce5b; letter-spacing: 2px; margin-bottom: 8px; }
.review-card p { color: var(--text-2); font-size: 14px; margin: 0; }

/* ======= FAQ 速览 ======= */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-list details {
    background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius-2);
    margin-bottom: 14px; padding: 18px 24px; transition: all .25s ease;
}
.faq-list details[open] { border-color: rgba(124,92,255,.25); box-shadow: var(--shadow-1); }
.faq-list summary {
    cursor: pointer; font-weight: 700; color: var(--ink-1); font-size: 16px; list-style: none;
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; font-size: 22px; color: var(--text-3); transition: transform .25s ease; }
.faq-list details[open] summary::after { transform: rotate(45deg); color: var(--primary); }
.faq-list .body { margin-top: 12px; color: var(--text-2); font-size: 15px; }

/* ======= 终极下载条 ======= */
.final-cta {
    position: relative; overflow: hidden;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(255, 77, 157, 0.35), transparent 55%),
        radial-gradient(ellipse at 80% 80%, rgba(46, 197, 255, 0.30), transparent 55%),
        linear-gradient(135deg, #1b1e3a 0%, #2a1b54 100%);
    color: #fff; padding: 80px 0; text-align: center;
}
.final-cta h2 { font-size: 38px; margin: 0 0 14px; font-weight: 800; color: #fff; }
.final-cta p { color: #d4d8f0; max-width: 580px; margin: 0 auto 30px; font-size: 16px; }

/* ======= 页脚 ======= */
.footer { background: #0f1226; color: #c2c7e6; padding: 50px 0 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 30px; }
.footer h4 { color: #fff; font-size: 15px; margin: 0 0 14px; font-weight: 700; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 8px; }
.footer a { color: #c2c7e6; }
.footer a:hover { color: #ff4d9d; }
.footer .brand-block p { color: #8a8fb6; font-size: 13px; margin: 12px 0 0; line-height: 1.7; }
.footer .copyright { border-top: 1px solid rgba(255,255,255,.08); padding-top: 22px; text-align: center; color: #6e7397; font-size: 12px; line-height: 1.8; }
.footer .copyright .sep { margin: 0 8px; color: #4a4f6e; }
.footer .disclaimer { color: #8a8fb6; margin-top: 10px; }

/* ======= 内页通用 ======= */
.page-head {
    background:
        radial-gradient(ellipse at 20% 10%, rgba(255, 77, 157, 0.30), transparent 55%),
        radial-gradient(ellipse at 80% 0%, rgba(46, 197, 255, 0.22), transparent 55%),
        linear-gradient(180deg, #0f1226 0%, #1b1e3a 100%);
    color: #fff; padding: 60px 0 50px; text-align: center;
}
.page-head h1 {
    font-size: 36px; font-weight: 800; margin: 14px 0 12px;
    background: linear-gradient(90deg, #fff 0%, #ffce5b 50%, #ff4d9d 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.page-head p { color: #d4d8f0; max-width: 720px; margin: 0 auto; font-size: 16px; }
.crumbs { color: #a4abc9; font-size: 13px; }
.crumbs a { color: #ffce5b; }
.crumbs a:hover { color: #fff; }

.content { padding: 60px 0 80px; }
.content h2 { font-size: 26px; color: var(--ink-1); margin: 36px 0 12px; font-weight: 800; }
.content h2 .num { display: inline-block; width: 36px; height: 36px; line-height: 36px; text-align: center; border-radius: 10px; background: linear-gradient(135deg, #ff4d9d, #7c5cff); color: #fff; font-size: 16px; margin-right: 12px; vertical-align: middle; }
.content h3 { font-size: 18px; color: var(--ink-1); margin: 24px 0 8px; font-weight: 700; }
.content p { color: var(--text-2); font-size: 16px; margin: 0 0 14px; }
.content ul, .content ol { color: var(--text-2); padding-left: 22px; }
.content li { margin-bottom: 8px; }
.content blockquote { background: var(--line-soft); border-left: 4px solid var(--primary); padding: 14px 20px; border-radius: 8px; color: var(--text-2); margin: 16px 0; }
.content .callout { background: linear-gradient(135deg, rgba(255,77,157,.06), rgba(46,197,255,.08)); border: 1px solid rgba(124,92,255,.18); padding: 18px 22px; border-radius: var(--radius-1); margin: 18px 0; color: var(--text-2); }
.content table { width: 100%; border-collapse: collapse; margin: 18px 0; background: #fff; border-radius: var(--radius-1); overflow: hidden; box-shadow: var(--shadow-1); }
.content th, .content td { padding: 12px 16px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--line-soft); }
.content th { background: var(--line-soft); color: var(--ink-1); font-weight: 700; }
.content .step-list { counter-reset: step; padding: 0; list-style: none; }
.content .step-list li { counter-increment: step; padding: 14px 18px 14px 64px; position: relative; background: #fff; border: 1px solid var(--line-soft); border-radius: var(--radius-1); margin-bottom: 12px; }
.content .step-list li::before {
    content: counter(step); position: absolute; left: 16px; top: 14px;
    width: 34px; height: 34px; line-height: 34px; text-align: center;
    border-radius: 10px; background: linear-gradient(135deg, #ff4d9d, #7c5cff); color: #fff; font-weight: 800;
}

.kbd { display: inline-block; padding: 2px 8px; background: var(--line-soft); border-radius: 6px; font-family: ui-monospace, "SFMono-Regular", monospace; font-size: 13px; color: var(--ink-1); }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 16px; }
.tag-row span { padding: 3px 12px; border-radius: 999px; background: rgba(124,92,255,.08); color: var(--primary); font-size: 12px; font-weight: 600; }
.recommend { display: flex; gap: 14px; flex-wrap: wrap; margin: 22px 0 0; }
.recommend a { padding: 10px 20px; border-radius: 999px; font-size: 14px; }

/* ======= 响应式 ======= */
@media (max-width: 980px) {
    .hero { padding: 60px 0 70px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero p.lede { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-meta { justify-content: center; }
    .hero h1 { font-size: 38px; }
    .feat-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery { grid-template-columns: repeat(3, 1fr); }
    .gallery .item:nth-child(1) { grid-column: span 2; grid-row: span 1; }
    .entry-grid { grid-template-columns: 1fr; }
    .review-grid { grid-template-columns: 1fr; }
    .trust-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: #1b1e3a; padding: 16px 22px; flex-direction: column; align-items: stretch; }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.06); border-radius: 0; }
    .nav-toggle { display: inline-flex; }
}
@media (max-width: 620px) {
    .hero h1 { font-size: 30px; }
    .section h2 { font-size: 26px; }
    .feat-grid, .gallery, .trust-grid { grid-template-columns: 1fr 1fr; }
    .gallery .item:nth-child(1) { grid-column: span 2; }
    .phone { width: 240px; height: 510px; }
    .phone-card.tl { left: -10px; }
    .phone-card.br { right: -10px; }
    .footer-grid { grid-template-columns: 1fr; }
    .final-cta h2 { font-size: 26px; }
    .page-head h1 { font-size: 26px; }
}