/* =========================================================
   QQ音乐资讯官网 - 全站样式
   设计基调：音乐 App 质感 / 深色 + 品牌绿 / 卡片式布局
   ========================================================= */
:root{
  --brand:#00b07c;
  --brand-2:#00e08c;
  --brand-dark:#00895f;
  --ink:#0f172a;
  --ink-2:#1e293b;
  --muted:#64748b;
  --line:#e5e7eb;
  --bg:#f6f8fa;
  --card:#ffffff;
  --nav-bg:#0b1220;
  --hero-grad:linear-gradient(135deg,#0b1220 0%,#0f2e2a 55%,#0b3d30 100%);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--ink)}
.section{padding:72px 0}
.section-alt{background:#fff}
.sec-head{text-align:center;max-width:720px;margin:0 auto 44px}
.sec-head .kicker{display:inline-block;color:var(--brand);font-weight:700;font-size:14px;letter-spacing:1px;margin-bottom:10px;text-transform:uppercase}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}

/* ============ 导航 ============ */
.site-header{background:var(--nav-bg);position:sticky;top:0;z-index:999;box-shadow:0 2px 14px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;font-size:20px}
.brand img{width:34px;height:34px;border-radius:8px}
.brand span b{color:var(--brand-2)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:#cbd5e1;font-size:15px;font-weight:500;position:relative;padding:6px 0}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:var(--brand-2)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff!important;padding:10px 20px;border-radius:30px;font-weight:700}
.nav-cta:hover{background:var(--brand-2);color:#fff}

/* ============ Hero ============ */
.hero{background:var(--hero-grad);color:#fff;padding:80px 0 96px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(0,224,140,.18),transparent 70%);top:-200px;right:-120px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero-txt h1{font-size:46px;color:#fff;margin-bottom:18px;letter-spacing:.5px}
.hero-txt h1 em{font-style:normal;color:var(--brand-2)}
.hero-txt .lead{color:#cbd5e1;font-size:18px;margin-bottom:28px;max-width:520px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-badges span{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);padding:7px 15px;border-radius:30px;font-size:14px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:34px;font-weight:700;font-size:16px;transition:.2s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}

/* 客户端模拟器 */
.mobile-mock{position:relative}
.mobile-frame{width:290px;margin:0 auto;background:#0d1117;border-radius:38px;padding:14px;border:1px solid #2a3340;box-shadow:0 30px 70px rgba(0,0,0,.55)}
.mobile-screen{background:#0b0f14;border-radius:26px;overflow:hidden;position:relative;height:560px}
.mobile-notch{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:96px;height:20px;background:#0d1117;border-radius:12px;z-index:5}
.mobile-status{display:flex;justify-content:space-between;padding:12px 18px 4px;color:#9ca3af;font-size:11px}
.mobile-cover{text-align:center;padding:16px 14px 8px}
.mobile-cover .disc{width:150px;height:150px;border-radius:50%;background:conic-gradient(from 0deg,#00e08c,#31c27c,#0f766e,#00e08c);margin:6px auto 14px;display:flex;align-items:center;justify-content:center;animation:spin 14s linear infinite}
.mobile-cover .disc i{width:44px;height:44px;border-radius:50%;background:#0d1117;border:5px solid #1f2937}
@keyframes spin{to{transform:rotate(360deg)}}
.mobile-cover h4{color:#fff;font-size:16px}
.mobile-cover p{color:#6b7280;font-size:12px}
.mobile-progress{margin:6px 16px;height:4px;background:#1f2937;border-radius:4px;position:relative}
.mobile-progress i{position:absolute;left:0;top:0;height:4px;width:62%;background:var(--brand);border-radius:4px}
.mobile-time{display:flex;justify-content:space-between;padding:0 16px;color:#6b7280;font-size:10px}
.mobile-controls{display:flex;justify-content:space-between;align-items:center;padding:14px 22px 18px;color:#fff}
.mobile-controls .ico{font-size:20px;color:#d1d5db}
.mobile-controls .play{width:52px;height:52px;border-radius:50%;background:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff}
.mobile-list{margin:0 12px;background:#0d1117;border-radius:14px;padding:10px;border:1px solid #1a2230}
.mobile-list .row{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:8px;color:#e5e7eb;font-size:12px}
.mobile-list .row b{color:var(--brand-2)}
.mobile-list .row span{margin-left:auto;color:#4b5563}

/* ============ 公告区 ============ */
.notice{background:var(--brand-dark);color:#fff;padding:16px 0}
.notice-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.notice-tag{background:#fff;color:var(--brand-dark);padding:3px 12px;border-radius:6px;font-size:13px;font-weight:800}
.notice-inner a{color:#eafff5;font-size:15px}

/* ============ 功能卡片 ============ */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;transition:.25s;box-shadow:var(--shadow)}
.feat-card:hover{transform:translateY(-6px);border-color:var(--brand)}
.feat-card .ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;margin-bottom:18px}
.feat-card h3{font-size:20px;margin-bottom:10px}
.feat-card p{color:var(--muted);font-size:15px}

/* ============ 对比表 ============ */
.compare-wrap{overflow-x:auto}
table.compare{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-width:640px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
table.compare thead th{background:var(--ink);color:#fff;font-weight:700}
table.compare tbody tr:hover{background:#f0fdf7}
table.compare td.yes{color:var(--brand-dark);font-weight:700}
table.compare td.no{color:#9ca3af}

/* ============ 新闻 ============ */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:32px;flex-wrap:wrap}
.tabs a{padding:9px 22px;border-radius:30px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:600;font-size:14px}
.tabs a.active,.tabs a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;box-shadow:var(--shadow)}
.news-card:hover{transform:translateY(-5px)}
.news-card img{height:170px;width:100%;object-fit:cover}
.news-card .body{padding:20px}
.news-card .cat{font-size:12px;color:var(--brand);font-weight:700}
.news-card h3{font-size:17px;margin:8px 0;line-height:1.4}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--brand)}
.news-card .meta{font-size:13px;color:var(--muted)}

/* ============ 评论 ============ */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.review-card .stars{color:#f59e0b;font-size:15px;letter-spacing:2px;margin-bottom:10px}
.review-card p{color:var(--ink-2);font-size:15px}
.review-card .user{display:flex;align-items:center;gap:12px;margin-top:16px}
.review-card .ava{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--brand),#0ea5e9);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}
.review-card .user b{display:block;font-size:14px}
.review-card .user span{font-size:12px;color:var(--muted)}

/* ============ 下载区 ============ */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 16px;text-align:center;transition:.25s;box-shadow:var(--shadow)}
.dl-card:hover{transform:translateY(-5px);border-color:var(--brand)}
.dl-card .ic{font-size:38px;margin-bottom:12px}
.dl-card h3{font-size:16px;margin-bottom:6px}
.dl-card p{font-size:13px;color:var(--muted);margin-bottom:14px}
.dl-card a{display:inline-block;background:var(--brand);color:#fff;padding:8px 18px;border-radius:24px;font-size:14px;font-weight:700}
.dl-card a:hover{background:var(--brand-dark);color:#fff}

/* ============ 信任背书 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.trust-item .num{font-size:34px;font-weight:800;color:var(--brand)}
.trust-item p{color:var(--muted);font-size:14px}

/* ============ 应用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;color:#fff;min-height:190px;display:flex;align-items:flex-end;padding:22px}
.scene-card::before{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.75),rgba(0,0,0,.1))}
.scene-card .txt{position:relative;z-index:2}
.scene-card h3{color:#fff;font-size:19px;margin-bottom:6px}
.scene-card p{font-size:14px;color:#e5e7eb}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:16px;overflow:hidden;box-shadow:var(--shadow)}
.faq-q{padding:20px 24px;font-weight:700;font-size:17px;display:flex;align-items:center;gap:12px;cursor:default}
.faq-q .no{background:var(--brand);color:#fff;width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.faq-a{padding:0 24px 24px 64px;color:var(--muted);font-size:15px}
.faq-a ol{padding-left:18px}
.faq-a ol li{margin-bottom:8px}
.faq-a ol li b{color:var(--ink)}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb a{color:var(--brand)}
.breadcrumb span{color:var(--muted)}

/* ============ 文章页 ============ */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;padding:40px 0}
.article-main h1{font-size:32px;margin-bottom:14px}
.article-meta{display:flex;gap:18px;color:var(--muted);font-size:14px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap}
.article-meta .cat{color:var(--brand);font-weight:700}
.article-body p{color:var(--ink-2);font-size:16px;margin-bottom:18px;text-align:justify}
.article-body h2{font-size:24px;margin:32px 0 16px;padding-left:14px;border-left:4px solid var(--brand)}
.article-body img{border-radius:12px;margin:22px auto}
.article-body blockquote{background:#f0fdf7;border-left:4px solid var(--brand);padding:16px 20px;margin:22px 0;color:var(--ink-2);font-size:15px}
.article-nav{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap;gap:10px}
.article-nav a{font-size:14px}
.comment-list{margin-top:40px}
.comment-list h3{font-size:20px;margin-bottom:20px}
.comment-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:14px}
.comment-item .c-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.comment-item .c-head b{font-size:14px}
.comment-item .c-head span{font-size:12px;color:var(--muted);margin-left:auto}
.comment-item p{font-size:15px;color:var(--ink-2)}

/* 侧栏 */
.sidebar-widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px;box-shadow:var(--shadow)}
.sidebar-widget h3{font-size:17px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--brand)}
.sidebar-widget .hot-item{display:flex;gap:10px;margin-bottom:14px}
.sidebar-widget .hot-item img{width:70px;height:52px;border-radius:8px;object-fit:cover}
.sidebar-widget .hot-item a{font-size:14px;color:var(--ink);line-height:1.4}
.sidebar-widget .hot-item a:hover{color:var(--brand)}
.sidebar-widget .cat-link{display:block;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-2)}
.sidebar-widget .cat-link:hover{color:var(--brand)}

/* ============ 相关阅读 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}

/* ============ 页脚 ============ */
.footer{background:var(--nav-bg);color:#94a3b8;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer a{display:block;color:#94a3b8;font-size:14px;padding:5px 0}
.footer a:hover{color:var(--brand-2)}
.footer .about{font-size:14px;line-height:1.8}
.footer-bottom{border-top:1px solid #1f2937;padding-top:20px;font-size:13px;text-align:center}

/* ============ CTA ============ */
.cta-band{background:var(--hero-grad);color:#fff;padding:64px 0;text-align:center}
.cta-band h2{color:#fff;font-size:34px;margin-bottom:14px}
.cta-band p{color:#cbd5e1;margin-bottom:28px}
.cta-band .btn{background:#fff;color:var(--brand-dark)}
.cta-band .btn:hover{background:var(--brand-2);color:#fff}

/* ============ 页面 Hero 子页 ============ */
.page-hero{background:var(--hero-grad);color:#fff;padding:64px 0;text-align:center}
.page-hero h1{color:#fff;font-size:38px;margin-bottom:12px}
.page-hero p{color:#cbd5e1;font-size:17px;max-width:640px;margin:0 auto}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .feat-grid,.news-grid,.dl-grid,.scene-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:560px){
  .feat-grid,.news-grid,.dl-grid,.scene-grid,.trust-grid,.review-grid,.related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}