/* qqmusic.x5655.com — 单软件下载站样式 */
:root{
  --bg:#faf9f6; --bg2:#f4f1ea; --card:#fffdf9;
  --ink:#26231e; --ink2:#6b655a; --ink3:#98917f;
  --line:#e7e2d6; --line2:#d8d2c2;
  --brand:#31c27c; --brand-d:#1e9c62; --brand-bg:#eafaf2;
  --amber:#c98a2d;
  --radius:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.75;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(250,249,246,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;height:58px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:17px;letter-spacing:.5px}
.brand img{width:26px;height:26px;border-radius:6px}
.brand em{font-style:normal;color:var(--brand-d)}
.nav{display:flex;gap:4px}
.nav a{padding:7px 13px;border-radius:7px;font-size:14px;color:var(--ink2);transition:.2s}
.nav a:hover{color:var(--ink);background:var(--bg2)}
.nav a.on{color:var(--brand-d);background:var(--brand-bg);font-weight:600}
.head-cta{font-size:13px;padding:7px 15px;border:1px solid var(--brand);color:var(--brand-d);border-radius:99px;font-weight:600;transition:.2s}
.head-cta:hover{background:var(--brand);color:#fff}

/* ---------- kicker / section ---------- */
section{padding:52px 0}
.kicker{display:flex;align-items:baseline;gap:12px;margin-bottom:8px}
.kicker .no{font-size:12px;color:var(--ink3);letter-spacing:2px;font-variant-numeric:tabular-nums}
.kicker .en{font-size:11px;letter-spacing:3px;color:var(--brand-d);text-transform:uppercase;font-weight:600}
.kicker .rule{flex:1;height:1px;background:var(--line)}
h2.sec{font-size:26px;font-weight:700;letter-spacing:.5px;margin-bottom:6px}
.sec-sub{color:var(--ink2);font-size:14px;margin-bottom:30px;max-width:640px}

/* ---------- hero ---------- */
.hero{padding:54px 0 46px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;color:var(--brand-d);background:var(--brand-bg);border:1px solid #cdeeda;padding:5px 13px;border-radius:99px;margin-bottom:18px;font-weight:600}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1.hero-h{font-size:36px;line-height:1.32;font-weight:800;letter-spacing:1px;margin-bottom:14px}
h1.hero-h span{color:var(--brand-d)}
.hero-lead{color:var(--ink2);font-size:15px;margin-bottom:24px;max-width:520px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:9px;font-size:15px;font-weight:700;cursor:pointer;border:none;font-family:inherit;transition:.2s;letter-spacing:.5px}
.btn svg{width:17px;height:17px;fill:currentColor}
.btn-quark{background:#3f7bf5;color:#fff;box-shadow:0 3px 12px rgba(63,123,245,.28)}
.btn-quark:hover{background:#2f66da;transform:translateY(-1px)}
.btn-baidu{background:#3178e0;color:#fff;box-shadow:0 3px 12px rgba(49,120,224,.25)}
.btn-baidu:hover{background:#2565c6;transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1.5px solid var(--line2);color:var(--ink2);font-weight:600}
.btn-ghost:hover{border-color:var(--ink3);color:var(--ink)}
.hero-meta{display:flex;flex-wrap:wrap;gap:7px 18px;font-size:12.5px;color:var(--ink3)}
.hero-meta b{color:var(--ink2);font-weight:600}
.hero-shot{position:relative}
.hero-shot img{border-radius:14px;border:1px solid var(--line);box-shadow:0 18px 44px -18px rgba(38,35,30,.32)}
.hero-shot .float-chip{position:absolute;left:-14px;bottom:22px;background:var(--card);border:1px solid var(--line);border-radius:9px;padding:9px 14px;font-size:12px;color:var(--ink2);box-shadow:0 8px 22px rgba(38,35,30,.12)}
.hero-shot .float-chip b{display:block;font-size:14px;color:var(--brand-d)}

/* ---------- 速览条 ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);padding:20px 0}
.strip-item{text-align:center;padding:6px 12px;border-left:1px solid var(--line)}
.strip-item:first-child{border-left:none}
.strip-item b{display:block;font-size:21px;font-weight:800;letter-spacing:.5px}
.strip-item b em{font-style:normal;color:var(--brand-d)}
.strip-item span{font-size:12.5px;color:var(--ink3);letter-spacing:1px}

/* ---------- 功能卡片 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 20px;transition:.25s;position:relative;overflow:hidden}
.feat-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px -14px rgba(38,35,30,.22);border-color:var(--line2)}
.feat-card .idx{position:absolute;right:14px;top:8px;font-size:38px;font-weight:800;color:var(--bg2);letter-spacing:-2px;font-variant-numeric:tabular-nums}
.feat-card h3{font-size:16.5px;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.feat-card h3 i{width:30px;height:30px;border-radius:8px;background:var(--brand-bg);color:var(--brand-d);display:inline-flex;align-items:center;justify-content:center;flex:none}
.feat-card h3 i svg{width:16px;height:16px;fill:currentColor}
.feat-card p{font-size:13.5px;color:var(--ink2)}

/* ---------- 图集 ---------- */
.gal-grid{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:auto auto;gap:14px}
.gal-item{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg2)}
.gal-item:first-child{grid-row:span 2}
.gal-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gal-item:hover img{transform:scale(1.03)}
.gal-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;background:linear-gradient(transparent,rgba(20,18,14,.72));color:#fff;font-size:13px;letter-spacing:.5px}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.scene-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.scene-card .ph{height:150px;overflow:hidden}
.scene-card .ph img{width:100%;height:100%;object-fit:cover}
.scene-card .tx{padding:14px 15px 16px}
.scene-card .tx b{font-size:15px;display:block;margin-bottom:4px}
.scene-card .tx p{font-size:12.5px;color:var(--ink2)}

/* ---------- 版本特性 ---------- */
.ver-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.ver-badge{display:inline-block;background:var(--ink);color:#fff;font-size:13px;font-weight:700;padding:4px 13px;border-radius:7px;margin-bottom:14px;letter-spacing:1px}
.ver-note{font-size:13px;color:var(--ink3);margin-top:14px}
.ver-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px}
.ver-list li:last-child{border-bottom:none}
.ver-list .dot{flex:none;width:22px;height:22px;border-radius:6px;background:var(--brand-bg);color:var(--brand-d);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;margin-top:2px}
.ver-list b{color:var(--ink)}
.ver-list p{color:var(--ink2);font-size:13px;margin-top:2px}

/* ---------- 下载区（通用） ---------- */
.dl-panel{background:linear-gradient(135deg,#20261f,#2b352c);border-radius:16px;padding:38px 38px 34px;color:#f2f1ec;position:relative;overflow:hidden}
.dl-panel::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(49,194,124,.22),transparent 70%)}
.dl-panel h3{font-size:23px;margin-bottom:6px;letter-spacing:.5px}
.dl-panel .sub{color:#b8bcb2;font-size:13.5px;margin-bottom:22px}
.dl-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:640px}
.dl-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:11px;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:14px;transition:.2s;cursor:pointer}
.dl-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.dl-card .l b{display:block;font-size:15.5px;margin-bottom:3px}
.dl-card .l span{font-size:12px;color:#b8bcb2}
.dl-card .go{flex:none;background:#fff;color:#22261f;font-size:13px;font-weight:700;padding:8px 16px;border-radius:8px;letter-spacing:1px}
.dl-steps{display:flex;gap:0;margin-top:24px;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}
.dl-steps span{flex:1;font-size:12.5px;color:#b8bcb2;padding-right:18px;position:relative}
.dl-steps b{color:#f2f1ec;display:block;font-size:13.5px;margin-bottom:2px}
.dl-steps span:not(:last-child)::after{content:"→";position:absolute;right:2px;top:0;color:rgba(255,255,255,.3)}

/* ---------- 三步说明 ---------- */
.tri-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tri-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:22px;position:relative}
.tri-item .n{font-size:13px;font-weight:800;color:var(--brand-d);letter-spacing:2px;margin-bottom:8px}
.tri-item b{font-size:15.5px;display:block;margin-bottom:6px}
.tri-item p{font-size:13px;color:var(--ink2)}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);margin-bottom:10px;overflow:hidden}
.faq-item summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:14.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:19px;color:var(--ink3);transition:.2s;flex:none}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .a{padding:0 20px 16px;font-size:13.5px;color:var(--ink2)}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th{background:var(--bg2);text-align:left;padding:11px 16px;font-size:12.5px;letter-spacing:1px;color:var(--ink2);border-bottom:1px solid var(--line)}
.tbl td{padding:11px 16px;border-bottom:1px solid var(--line)}
.tbl tr:last-child td{border-bottom:none}
.tbl .hl td{background:var(--brand-bg)}

/* ---------- 页内文档布局 ---------- */
.doc-grid{display:grid;grid-template-columns:210px 1fr;gap:40px;align-items:start}
.toc{position:sticky;top:80px;border-left:2px solid var(--line);padding-left:16px}
.toc a{display:block;padding:5px 0;font-size:13px;color:var(--ink2);transition:.2s}
.toc a:hover,.toc a.on{color:var(--brand-d)}
.doc-sec{margin-bottom:40px}
.doc-sec h3{font-size:20px;margin-bottom:12px;padding-bottom:9px;border-bottom:1px solid var(--line)}
.doc-sec p{color:var(--ink2);font-size:14px;margin-bottom:12px}
.doc-sec ul.disc{list-style:disc;padding-left:20px;color:var(--ink2);font-size:14px;margin-bottom:12px}
.doc-sec ul.disc li{margin-bottom:7px}
.doc-sec img.shot{border:1px solid var(--line);border-radius:var(--radius);margin:14px 0 6px}
.doc-sec .cap{font-size:12px;color:var(--ink3);margin-bottom:14px}
.step{display:flex;gap:16px;margin-bottom:20px}
.step .sn{flex:none;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;margin-top:2px}
.step .st b{display:block;font-size:15px;margin-bottom:4px}
.step .st p{font-size:13.5px;color:var(--ink2);margin:0}
.tip-box{background:var(--brand-bg);border:1px solid #cdeeda;border-radius:9px;padding:14px 18px;font-size:13.5px;color:#20624a;margin:16px 0}
.warn-box{background:#fdf6ec;border:1px solid #f0dfc3;border-radius:9px;padding:14px 18px;font-size:13.5px;color:#7a5a1e;margin:16px 0}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:12.5px;color:var(--ink3)}
.crumbs a{color:var(--ink3)}
.crumbs a:hover{color:var(--brand-d)}

/* ---------- 下载页横幅卡 ---------- */
.pkg-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:44px 0 10px}
.pkg-ver{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.pkg-ver .v{background:var(--brand);color:#fff;font-weight:800;font-size:14px;padding:4px 13px;border-radius:7px;letter-spacing:1px}
.pkg-ver .d{font-size:12.5px;color:var(--ink3)}
.pkg-h{font-size:30px;font-weight:800;letter-spacing:.5px;margin-bottom:10px}
.pkg-sub{color:var(--ink2);font-size:14px;margin-bottom:22px;max-width:480px}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--bg2);padding:30px 0 26px;margin-top:30px}
.foot-in{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center}
.foot-in .fl{display:flex;gap:20px;font-size:13px;color:var(--ink2);margin-bottom:4px}
.foot-in .fl a:hover{color:var(--brand-d)}
.foot-in .disc{font-size:12.5px;color:var(--ink3);max-width:640px}
.foot-in .tiny{font-size:11.5px;color:var(--ink3);letter-spacing:1px}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(22,20,16,.55);backdrop-filter:blur(3px);z-index:200;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.mask.show{opacity:1}
.modal{background:var(--card);border-radius:16px;padding:30px 30px 24px;width:400px;max-width:calc(100vw - 36px);text-align:center;transform:translateY(14px) scale(.97);transition:.25s;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.mask.show .modal{transform:none}
.modal .close{position:absolute;right:14px;top:12px;width:30px;height:30px;border:none;background:var(--bg2);border-radius:50%;font-size:15px;color:var(--ink2);cursor:pointer}
.modal .close:hover{background:var(--line)}
.modal h4{font-size:18px;margin-bottom:4px;letter-spacing:.5px}
.modal .m-sub{font-size:12.5px;color:var(--ink3);margin-bottom:18px}
.qr-halo{display:inline-block;padding:8px;border-radius:14px;background:#fff;border:1.5px solid var(--brand);animation:haloBreath 2.8s ease-in-out infinite}
@keyframes haloBreath{
  0%,100%{box-shadow:0 0 0 0 rgba(49,194,124,.30);transform:scale(1)}
  50%{box-shadow:0 0 0 9px rgba(49,194,124,0);transform:scale(1.035)}
}
.modal .qr{width:172px;height:172px;border-radius:8px;display:block}
.modal .scan-tip{font-size:13.5px;color:var(--ink2);margin:14px 0 12px;font-weight:600}
.modal .m-list{text-align:left;background:var(--bg2);border-radius:9px;padding:12px 16px;margin-bottom:14px}
.modal .m-list li{font-size:12.5px;color:var(--ink2);padding:3px 0;display:flex;gap:8px}
.modal .m-list li::before{content:"✓";color:var(--brand-d);font-weight:700;flex:none}
.modal .m-app{font-size:12px;color:var(--amber);background:#fdf6ec;border-radius:7px;padding:7px 10px;margin-bottom:4px}
.toast{position:fixed;left:50%;top:26%;transform:translateX(-50%) translateY(-8px);background:rgba(28,26,22,.92);color:#fff;font-size:14px;padding:11px 22px;border-radius:99px;z-index:300;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 响应式 ---------- */
@media(max-width:920px){
  .hero-grid,.ver-wrap,.pkg-hero,.doc-grid{grid-template-columns:1fr}
  .feat-grid,.tri-grid{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .strip-in{grid-template-columns:1fr 1fr;row-gap:14px}
  .strip-item:nth-child(3){border-left:none}
  .gal-grid{grid-template-columns:1fr 1fr}
  .gal-item:first-child{grid-row:span 1;grid-column:span 2}
  .nav{display:none}
  .toc{display:none}
}
@media(max-width:600px){
  h1.hero-h{font-size:27px}
  .feat-grid,.tri-grid,.scene-grid,.dl-cards,.gal-grid{grid-template-columns:1fr}
  .gal-item:first-child{grid-column:span 1}
  .strip-in{grid-template-columns:1fr 1fr}
  .dl-steps{flex-direction:column;gap:12px}
  .dl-steps span:not(:last-child)::after{content:""}
  section{padding:38px 0}
  .dl-panel{padding:26px 22px}
}