/* ===== 汽水音乐 官网全站样式 ===== */
:root{
  --c-primary:#06c1a6;
  --c-primary-d:#039a83;
  --c-blue:#00a1d6;
  --c-accent:#ff7a45;
  --c-ink:#0f172a;
  --c-text:#334155;
  --c-muted:#64748b;
  --c-line:#e2e8f0;
  --c-bg:#f6f9fb;
  --c-card:#ffffff;
  --grad:linear-gradient(120deg,#06c1a6 0%,#00a1d6 100%);
  --grad-warm:linear-gradient(120deg,#ff7a45 0%,#ff5e7e 100%);
  --shadow:0 6px 24px rgba(15,23,42,.06);
  --shadow-lg:0 18px 50px rgba(15,23,42,.12);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.7;font-size:16px}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:0;top:0;background:#fff;padding:8px 16px;z-index:999}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--c-ink)}
.brand img{width:36px;height:36px;border-radius:9px;object-fit:cover}
.brand b{color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{padding:8px 13px;border-radius:9px;font-size:15px;color:var(--c-text);font-weight:500}
.main-nav a:hover,.main-nav a.active{color:var(--c-primary);background:rgba(6,193,166,.08)}
.header-cta a.dl-btn{display:inline-block;background:var(--grad);color:#fff;padding:10px 20px;border-radius:999px;font-weight:600;font-size:15px;box-shadow:0 6px 16px rgba(6,193,166,.35)}
.header-cta a.dl-btn:hover{transform:translateY(-1px);color:#fff;box-shadow:0 10px 22px rgba(6,193,166,.45)}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:radial-gradient(1100px 500px at 85% -10%,rgba(6,193,166,.18),transparent 60%),radial-gradient(900px 500px at 0% 110%,rgba(0,161,214,.16),transparent 55%),#fff}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 24px 60px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(6,193,166,.1);color:var(--c-primary-d);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.2;color:var(--c-ink);letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--c-primary)}
.hero .sub{font-size:17px;color:var(--c-muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-actions a.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--grad);color:#fff;padding:14px 28px;border-radius:999px;font-weight:600;font-size:16px;box-shadow:0 10px 26px rgba(6,193,166,.4)}
.hero-actions a.btn-primary:hover{transform:translateY(-2px);color:#fff}
.hero-actions a.btn-ghost{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--c-line);padding:14px 26px;border-radius:999px;font-weight:600;font-size:16px;color:var(--c-ink);background:#fff}
.hero-actions a.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.hero-stats{display:flex;gap:36px;margin-top:34px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:26px;color:var(--c-ink);font-weight:800}
.hero-stats .stat span{font-size:13px;color:var(--c-muted)}

/* ===== 客户端模拟器 ===== */
.phone-wrap{display:flex;justify-content:center;position:relative}
.phone{width:280px;height:575px;background:#0b1220;border-radius:44px;padding:12px;box-shadow:0 30px 80px rgba(11,18,32,.35),0 0 0 10px #0b1220,0 0 0 11px #2b3444;position:relative}
.phone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);width:120px;height:22px;background:#0b1220;border-radius:0 0 14px 14px;z-index:5}
.phone-screen{width:100%;height:100%;border-radius:32px;overflow:hidden;background:linear-gradient(180deg,#0e2a3a,#083344);position:relative;display:flex;flex-direction:column}
.app-status{display:flex;justify-content:space-between;align-items:center;padding:16px 18px 6px;color:#cbd5e1;font-size:12px}
.app-cover{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 0}
.app-cover .disc{width:150px;height:150px;border-radius:50%;background:conic-gradient(from 0deg,#06c1a6,#00a1d6,#ff7a45,#06c1a6);padding:6px;box-shadow:0 14px 34px rgba(0,0,0,.5);animation:spin 18s linear infinite}
.app-cover .disc img{width:100%;height:100%;border-radius:50%;object-fit:cover;border:3px solid #0b1220}
@keyframes spin{to{transform:rotate(360deg)}}
.app-title{text-align:center;color:#fff;padding:12px 20px 0}
.app-title h4{font-size:16px;margin-bottom:2px}
.app-title p{font-size:12px;color:#94a3b8}
.app-progress{padding:16px 22px 6px}
.app-progress .bar{height:4px;background:#1e293b;border-radius:4px;position:relative}
.app-progress .bar i{position:absolute;left:0;top:0;height:4px;width:62%;background:var(--grad);border-radius:4px}
.app-progress .bar i::after{content:"";position:absolute;right:-6px;top:-4px;width:12px;height:12px;border-radius:50%;background:#fff}
.app-time{display:flex;justify-content:space-between;font-size:11px;color:#64748b;padding:4px 22px 0}
.app-controls{display:flex;justify-content:center;align-items:center;gap:26px;padding:14px 0 20px;color:#fff}
.app-controls a{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#cbd5e1;background:transparent}
.app-controls a.play{width:58px;height:58px;background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(6,193,166,.5)}
.app-controls svg{width:20px;height:20px}
.phone-float{position:absolute;background:#fff;border-radius:14px;box-shadow:var(--shadow-lg);padding:12px 16px;font-size:13px;display:flex;align-items:center;gap:10px}
.phone-float.fl1{left:-70px;top:120px}
.phone-float.fl2{right:-60px;bottom:150px}
.phone-float .dot{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff}
.phone-float b{color:var(--c-ink);font-size:15px;display:block}
.phone-float span{color:var(--c-muted);font-size:12px}

/* ===== 通用板块 ===== */
.section{padding:72px 0}
.section.alt{background:#fff}
.section-head{max-width:680px;margin:0 auto 44px;text-align:center}
.section-head .kicker{display:inline-block;background:rgba(6,193,166,.1);color:var(--c-primary-d);font-size:13px;font-weight:700;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section-head h2{font-size:32px;color:var(--c-ink);margin-bottom:12px;letter-spacing:-.3px}
.section-head p{color:var(--c-muted);font-size:16px}

/* 公告区 */
.notice-strip{background:var(--grad);color:#fff}
.notice-strip .container{display:flex;align-items:center;gap:14px;padding:14px 24px;flex-wrap:wrap}
.notice-strip .tag{background:rgba(255,255,255,.2);padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;white-space:nowrap}
.notice-strip a{color:#fff;font-size:15px}
.notice-strip a:hover{text-decoration:underline}

/* 卡片网格 */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.card .ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;font-size:24px;font-weight:700}
.card h3{font-size:19px;color:var(--c-ink);margin-bottom:10px}
.card p{color:var(--c-muted);font-size:15px}
.card .num{font-size:13px;color:var(--c-primary);font-weight:700;letter-spacing:1px}

/* 卖点 */
.sellpoints{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sellpoint{background:var(--grad);color:#fff;border-radius:var(--radius);padding:32px;position:relative;overflow:hidden}
.sellpoint.g2{background:var(--grad-warm)}
.sellpoint.g3{background:linear-gradient(120deg,#5b6bff,#8b5cf6)}
.sellpoint h3{font-size:21px;margin-bottom:10px}
.sellpoint p{opacity:.92;font-size:15px}
.sellpoint .big{position:absolute;right:-16px;bottom:-22px;font-size:120px;font-weight:800;opacity:.14;line-height:1}

/* 对比表 */
.compare-table{overflow-x:auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);box-shadow:var(--shadow)}
.compare-table table{width:100%;border-collapse:collapse;min-width:640px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:center;font-size:15px;border-bottom:1px solid var(--c-line)}
.compare-table thead th{background:#f8fafc;color:var(--c-muted);font-weight:600;font-size:14px}
.compare-table td:first-child,.compare-table th:first-child{text-align:left;font-weight:600;color:var(--c-ink)}
.compare-table tr.hl td{background:rgba(6,193,166,.06)}
.compare-table tr.hl td:first-child{color:var(--c-primary-d)}
.compare-table .yes{color:var(--c-primary-d);font-weight:700}
.compare-table .no{color:#cbd5e1}

/* 新闻卡片 */
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#eef2f7}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .body{padding:20px}
.news-card .meta{display:flex;gap:12px;font-size:12px;color:var(--c-muted);margin-bottom:8px}
.news-card .meta .cat{color:var(--c-primary-d);font-weight:600}
.news-card h3{font-size:17px;line-height:1.5;color:var(--c-ink);margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--c-primary)}
.news-card p{font-size:14px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Tab */
.tabs{display:flex;justify-content:center;gap:8px;margin-bottom:32px;flex-wrap:wrap}
.tabs a{padding:10px 22px;border-radius:999px;border:1.5px solid var(--c-line);color:var(--c-muted);font-weight:600;font-size:15px;background:#fff}
.tabs a:hover,.tabs a.active{background:var(--grad);color:#fff;border-color:transparent}
.news-tabs .tab-panel{display:none}
.news-tabs .tab-panel:target{display:grid}
.news-tabs:not(:has(.tab-panel:target)) #tab-all{display:grid}

/* 用户评论 */
.reviews-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.review-card .stars{color:#f5a623;letter-spacing:2px;font-size:15px;margin-bottom:12px}
.review-card blockquote{font-size:15.5px;color:var(--c-text);margin-bottom:18px;line-height:1.8}
.review-card .author{display:flex;align-items:center;gap:12px}
.review-card .author .ava{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.review-card .author b{color:var(--c-ink);font-size:14px;display:block}
.review-card .author span{font-size:12px;color:var(--c-muted)}

/* 下载平台 */
.dl-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.dl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow);transition:transform .25s}
.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.dl-card .pico{width:64px;height:64px;margin:0 auto 16px;border-radius:18px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800}
.dl-card h3{font-size:17px;color:var(--c-ink);margin-bottom:6px}
.dl-card p{font-size:12px;color:var(--c-muted);margin-bottom:16px}
.dl-card a.btn{display:inline-block;background:var(--grad);color:#fff;padding:9px 22px;border-radius:999px;font-weight:600;font-size:14px}
.dl-card a.btn:hover{transform:translateY(-1px);color:#fff}

/* 信任背书 */
.trust-logos{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.trust-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;padding:14px 22px;display:flex;align-items:center;gap:10px;font-weight:600;color:var(--c-muted);box-shadow:var(--shadow)}
.trust-item svg{width:22px;height:22px;color:var(--c-primary)}

/* 应用场景 */
.scene-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.scene-card .ico{font-size:32px;margin-bottom:12px}
.scene-card h3{font-size:18px;color:var(--c-ink);margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--c-muted)}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;color:var(--c-ink);display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:16.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--c-primary);font-weight:400;flex-shrink:0}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 24px 22px;color:var(--c-text);font-size:15px}
.faq-item .faq-body ol{margin-top:10px;counter-reset:step}
.faq-item .faq-body ol li{position:relative;padding-left:38px;margin-bottom:12px;counter-increment:step}
.faq-item .faq-body ol li::before{content:counter(step);position:absolute;left:0;top:1px;width:26px;height:26px;border-radius:50%;background:rgba(6,193,166,.12);color:var(--c-primary-d);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}

/* CTA */
.cta-band{background:var(--grad);color:#fff;border-radius:24px;padding:56px 40px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 20% 0%,rgba(255,255,255,.25),transparent 60%)}
.cta-band h2{font-size:30px;margin-bottom:14px;position:relative}
.cta-band p{opacity:.94;margin-bottom:26px;position:relative}
.cta-band a.btn{display:inline-block;background:#fff;color:var(--c-primary-d);padding:14px 32px;border-radius:999px;font-weight:700;font-size:16px;position:relative}
.cta-band a.btn:hover{transform:translateY(-2px);color:var(--c-primary-d)}

/* 面包屑 */
.breadcrumb{background:#fff;border-bottom:1px solid var(--c-line);padding:14px 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-muted)}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:#cbd5e1}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb li[aria-current]{color:var(--c-ink);font-weight:600}

/* 页头小版块 */
.page-hero{background:radial-gradient(800px 400px at 80% -10%,rgba(6,193,166,.16),transparent 60%),#fff;padding:52px 0;border-bottom:1px solid var(--c-line)}
.page-hero h1{font-size:34px;color:var(--c-ink);margin-bottom:12px}
.page-hero p{color:var(--c-muted);font-size:16px;max-width:720px}

/* 文章详情 */
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.article-main{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.article-main h1{font-size:30px;line-height:1.4;color:var(--c-ink);margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--c-muted);padding-bottom:20px;border-bottom:1px solid var(--c-line);margin-bottom:26px}
.article-meta .cat{color:var(--c-primary-d);font-weight:700}
.article-main .lead{font-size:17px;color:var(--c-text);background:#f6f9fb;border-left:4px solid var(--c-primary);padding:16px 20px;border-radius:0 10px 10px 0;margin-bottom:26px}
.article-main h2{font-size:22px;color:var(--c-ink);margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--c-primary)}
.article-main p{font-size:16px;color:var(--c-text);margin-bottom:18px;text-align:justify}
.article-main figure{margin:24px 0}
.article-main figure img{border-radius:12px;width:100%}
.article-main figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-nav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--c-line)}
.article-nav a{flex:1;background:#f8fafc;border:1px solid var(--c-line);border-radius:10px;padding:14px 18px;font-size:14px;color:var(--c-ink)}
.article-nav a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.article-nav a .dir{display:block;font-size:12px;color:var(--c-muted);margin-bottom:4px}

/* 评论 */
.comments{margin-top:36px;padding-top:26px;border-top:1px solid var(--c-line)}
.comments h3{font-size:19px;color:var(--c-ink);margin-bottom:20px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--c-line)}
.comment .ava{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.comment .c-body b{color:var(--c-ink);font-size:14px}
.comment .c-body .t{font-size:12px;color:var(--c-muted);margin-left:10px}
.comment .c-body p{font-size:14.5px;color:var(--c-text);margin-top:4px}
.comment .c-body .like{font-size:12px;color:var(--c-muted)}

/* 侧边栏 */
.sidebar .widget{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:24px}
.sidebar .widget h3{font-size:17px;color:var(--c-ink);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.hot-list li{padding:10px 0;border-bottom:1px dashed var(--c-line)}
.hot-list li:last-child{border-bottom:0}
.hot-list a{font-size:14.5px;color:var(--c-text);line-height:1.5;display:block}
.hot-list a:hover{color:var(--c-primary)}
.hot-list .rank{display:inline-block;width:20px;height:20px;line-height:20px;text-align:center;border-radius:6px;background:#f1f5f9;color:var(--c-muted);font-size:12px;margin-right:8px}
.hot-list li:nth-child(1) .rank,.hot-list li:nth-child(2) .rank,.hot-list li:nth-child(3) .rank{background:var(--grad);color:#fff}
.cat-list li{border-bottom:1px dashed var(--c-line)}
.cat-list li:last-child{border-bottom:0}
.cat-list a{display:flex;justify-content:space-between;padding:9px 0;font-size:14.5px;color:var(--c-text)}
.cat-list a:hover{color:var(--c-primary)}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a{padding:10px 16px;border:1.5px solid var(--c-line);border-radius:10px;color:var(--c-muted);font-weight:600}
.pagination a.active,.pagination a:hover{background:var(--grad);color:#fff;border-color:transparent}

/* 页脚 */
.site-footer{background:#0b1220;color:#94a3b8;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-grid a{display:block;color:#94a3b8;font-size:14px;padding:5px 0}
.footer-grid a:hover{color:#06c1a6}
.footer-brand p{font-size:14px;margin-top:14px;max-width:300px}
.footer-brand .brand{color:#fff}
.footer-bottom{border-top:1px solid #1e293b;padding:20px 0;text-align:center;font-size:13px;color:#64748b}
.footer-bottom a{color:#94a3b8}
.footer-bottom a:hover{color:#06c1a6}

/* 响应式 */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .phone-float.fl1{left:0}.phone-float.fl2{right:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .dl-grid{grid-template-columns:repeat(3,1fr)}
  .article-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .main-nav{display:none}
  .hero h1{font-size:30px}
  .grid-2,.grid-3,.sellpoints{grid-template-columns:1fr}
  .reviews-grid{grid-template-columns:1fr}
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:52px 0}
  .article-main{padding:24px}
  .article-main h1{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}