:root{
  --brand-1:#b35a20;
  --brand-2:#e89248;
  --brand-3:#f0a960;
  --brand-4:#f6c98a;
  --accent:#4f9a78;
  --ink:#3a2a1c;
  --ink-2:#6b5540;
  --muted:#a5937c;
  --bg:#faf6ec;
  --bg-soft:#f4edde;
  --card:#fffdf6;
  --line:#e9dfca;
  --dark:#2b1f16;
  --radius:18px;
  --shadow-sm:0 6px 18px rgba(58,42,28,.06);
  --shadow-md:0 16px 40px rgba(232,146,72,.18);
  --shadow-lg:0 30px 60px rgba(58,42,28,.16);
  --grad:linear-gradient(135deg,#f2ad6a 0%,#ea9a4e 100%);
  --grad-text:linear-gradient(135deg,#e89248 0%,#b35a20 100%);
  --grad-soft:linear-gradient(135deg,rgba(240,169,96,.14),rgba(79,154,120,.10));
  --on-brand:#3a1a0a;
  --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:80px 0}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:100;background:rgba(250,246,236,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:17px}
.logo-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);display:grid;place-items:center;color:var(--on-brand);font-size:20px;font-weight:800;box-shadow:0 6px 16px rgba(240,169,96,.35)}
.logo small{display:block;font-size:10px;font-weight:500;color:var(--muted);letter-spacing:.08em}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu a{padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:500;color:var(--ink-2);transition:.2s}
.menu a:hover{color:var(--brand-2);background:var(--bg-soft)}
.menu a.active{color:var(--brand-2);font-weight:700}
.menu .cta-btn{padding:10px 18px;margin-left:6px;border-radius:999px;background:var(--grad);color:var(--on-brand);font-weight:700}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:42px;height:42px;border-radius:10px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;border-radius:2px;transition:.25s}

/* ===== 通用 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;cursor:pointer;transition:.25s;border:none}
.btn-primary{background:var(--grad);color:var(--on-brand);box-shadow:var(--shadow-md)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{border-color:var(--brand-3);color:var(--brand-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-2);background:var(--grad-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad)}
.section-head{max-width:680px;margin:0 auto 48px;text-align:center}
.section-head h2{font-size:clamp(26px,4vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.02em}
.section-head p{color:var(--muted);font-size:15px;margin-top:12px}

/* 页面横幅（子页标题区） */
.page-hero{position:relative;overflow:hidden;padding:72px 0;background:radial-gradient(1000px 420px at 85% -10%,rgba(240,169,96,.20),transparent 60%),radial-gradient(800px 400px at -10% 20%,rgba(79,154,120,.12),transparent 60%),var(--bg-soft);text-align:center}
.page-hero h1{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.02em}
.page-hero p{color:var(--muted);font-size:15px;margin-top:14px;max-width:560px;margin-left:auto;margin-right:auto}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;padding:64px 0 40px;background:radial-gradient(1200px 520px at 85% -10%,rgba(240,169,96,.20),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(79,154,120,.12),transparent 60%),var(--bg-soft)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-en{font-size:12px;letter-spacing:.38em;color:var(--accent);font-weight:700;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.hero h1 .grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:clamp(15px,2vw,18px);color:var(--ink-2);margin:20px 0 30px;max-width:520px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.hero-tags span{font-size:13px;font-weight:600;color:var(--ink-2);background:var(--card);border:1px solid var(--line);padding:7px 14px;border-radius:999px;box-shadow:var(--shadow-sm)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* 黑胶唱片 */
.vinyl-wrap{position:relative;display:flex;justify-content:center;align-items:center;min-height:360px}
.vinyl{width:300px;height:300px;border-radius:50%;background:radial-gradient(circle at 50% 50%,#111 0 18%,#1a1a1a 18% 100%);position:relative;animation:spin 8s linear infinite;box-shadow:0 24px 60px rgba(20,10,0,.35)}
.vinyl::before{content:"";position:absolute;inset:12%;border-radius:50%;background:repeating-radial-gradient(circle at 50% 50%,transparent 0 2px,rgba(255,255,255,.05) 2px 3px)}
.vinyl .label{position:absolute;inset:38%;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;color:var(--on-brand);font-size:15px;text-align:center;line-height:1.3;box-shadow:inset 0 0 0 3px rgba(0,0,0,.06)}
.vinyl .hole{position:absolute;inset:47%;border-radius:50%;background:#111;box-shadow:inset 0 0 0 3px rgba(255,255,255,.1)}
@keyframes spin{to{transform:rotate(360deg)}}
.float-note{position:absolute;font-size:26px;color:var(--brand-3);animation:float 5s ease-in-out infinite;opacity:.9}
.float-note.n1{top:8%;left:6%;animation-delay:0s}
.float-note.n2{top:20%;right:4%;animation-delay:1.2s}
.float-note.n3{bottom:10%;left:12%;animation-delay:2.1s}
.float-note.n4{bottom:20%;right:14%;animation-delay:.6s}
@keyframes float{0%,100%{transform:translateY(0) rotate(-6deg)}50%{transform:translateY(-16px) rotate(8deg)}}

/* 均衡器 */
.eq{display:flex;align-items:flex-end;gap:3px;height:26px}
.eq i{width:4px;border-radius:2px;background:var(--grad-text);animation:eq 1s ease-in-out infinite}
.eq i:nth-child(1){height:40%;animation-delay:0s}
.eq i:nth-child(2){height:80%;animation-delay:.15s}
.eq i:nth-child(3){height:55%;animation-delay:.3s}
.eq i:nth-child(4){height:95%;animation-delay:.45s}
.eq i:nth-child(5){height:65%;animation-delay:.6s}
.eq i:nth-child(6){height:35%;animation-delay:.75s}
.eq i:nth-child(7){height:70%;animation-delay:.9s}
@keyframes eq{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}

/* ===== 跑马灯 ===== */
.marquee{background:var(--grad);color:var(--on-brand);padding:14px 0;overflow:hidden;white-space:nowrap;border-top:1px solid rgba(0,0,0,.05)}
.marquee-track{display:inline-flex;gap:48px;animation:marquee 30s linear infinite;font-weight:700;font-size:15px}
.marquee-track span{display:inline-flex;align-items:center;gap:48px}
.marquee-track em{font-style:normal;opacity:.6}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== 数据动效区 ===== */
.stats-band{background:var(--dark);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-size:clamp(30px,4vw,44px);font-weight:800;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .label{font-size:13px;color:#cfc2b0;margin-top:6px}
.stat .eq{margin:0 auto;height:22px;width:fit-content;margin-bottom:8px}

/* ===== 平台 Tab ===== */
.tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.tab-btn{display:inline-flex;align-items:center;gap:10px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--card);color:var(--ink-2);transition:.25s;box-shadow:var(--shadow-sm)}
.tab-btn .dot{width:12px;height:12px;border-radius:50%}
.tab-btn .tab-logo{width:20px;height:20px;border-radius:4px;object-fit:contain}
.tab-btn:hover{border-color:var(--brand-3)}
.tab-btn.active{background:var(--grad);border-color:transparent;color:var(--on-brand);box-shadow:var(--shadow-md)}
.platform-panel{display:none}
.platform-panel.active{display:block;animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* 平台头部 */
.platform-head{text-align:center;margin-bottom:36px}
.platform-head .big{font-size:clamp(24px,3vw,32px);font-weight:800;display:flex;align-items:center;justify-content:center;gap:14px}
.platform-head .big .badge{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:24px;color:#fff;box-shadow:var(--shadow-md)}
.platform-head .big .badge.badge-logo{background:var(--card);border:1px solid var(--line);box-shadow:none}
.platform-head .big .badge.badge-logo img{width:38px;height:38px;object-fit:contain}
.platform-head p{color:var(--muted);font-size:14px;margin-top:8px}

/* 模块卡 */
.mod{margin-bottom:36px}
.mod-title{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.mod-title .ic{width:40px;height:40px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;font-size:20px}
.mod-title h3{font-size:20px;font-weight:800}
.mod-title small{color:var(--muted);font-weight:500;font-size:13px;margin-left:2px}

/* 宣发套餐卡片（内容在上，价格在下） */
.pkg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pkg{position:relative;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 18px;transition:.28s;overflow:hidden;display:flex;flex-direction:column}
.pkg:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.pkg .tag{display:inline-block;font-size:11px;font-weight:700;background:var(--grad-soft);color:var(--brand-2);padding:3px 10px;border-radius:999px;margin-bottom:12px;align-self:flex-start}
.pkg .desc{font-size:15px;color:var(--ink);line-height:1.7;font-weight:500;flex:1}
.pkg .price{font-size:18px;font-weight:800;color:var(--brand-2);margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.pkg .price small{font-size:13px;font-weight:600;color:var(--muted)}
.pkg.hot{border:2px solid var(--brand-3);background:linear-gradient(180deg,#fff6e8,var(--card))}
.pkg.hot::after{content:"🔥";position:absolute;top:12px;right:14px;font-size:18px}

/* 打榜卡 */
.rank-card{background:var(--dark);color:#fff;border-radius:22px;padding:32px;display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:center;position:relative;overflow:hidden}
.rank-card::after{content:"🎯";position:absolute;right:24px;bottom:-8px;font-size:90px;opacity:.12}
.rank-card .price{font-size:40px;font-weight:800;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.rank-card .price small{font-size:16px;color:var(--muted);-webkit-text-fill-color:var(--muted)}
.rank-card h4{font-size:18px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.rank-card ul{list-style:none}
.rank-card li{font-size:14px;color:#e8dfd0;padding:5px 0 5px 22px;position:relative}
.rank-card li::before{content:"✓";position:absolute;left:0;color:var(--brand-4);font-weight:700}
.rank-card .note{margin-top:14px;font-size:12px;color:#b9a88e;line-height:1.7}

/* 推歌/服务 列表 */
.svc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.svc{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;transition:.2s}
.svc:hover{box-shadow:var(--shadow-md);border-color:transparent}
.svc .name{flex:1;min-width:0;font-size:14px;font-weight:600}
.svc .name small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.svc .price{font-size:16px;font-weight:800;color:var(--brand-2);white-space:nowrap}
.svc .price.free{color:var(--muted)}

/* 榜单 */
.chart-row{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 16px;margin-bottom:8px;flex-wrap:wrap}
.chart-row .cn{font-weight:700;font-size:15px;min-width:110px}
.chart-opts{display:flex;gap:8px;flex-wrap:wrap;flex:1}
.chart-opts .opt{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);background:var(--bg-soft);border-radius:999px;padding:6px 13px}
.chart-opts .opt b{color:var(--brand-2);font-weight:800}

/* 服务内容卡（服务页） */
.svc-card{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;transition:.25s}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card .ic{flex-shrink:0;width:56px;height:56px;border-radius:14px;background:var(--grad-soft);display:grid;place-items:center;font-size:28px}
.svc-card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.7}
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}

/* 联系 */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:stretch}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-item{display:flex;gap:15px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.contact-item .ic{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:var(--grad-soft);display:grid;place-items:center;font-size:20px}
.contact-item .ci-body{flex:1;min-width:0}
.contact-item b{display:block;font-size:15px;margin-bottom:3px}
.contact-item p{font-size:14px;color:var(--muted);word-break:break-all}
.contact-item a{color:var(--brand-2)}
.contact-qr{width:130px;height:130px;border-radius:10px;border:1px solid var(--line);object-fit:cover;display:block;background:#fff}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:6px}
.qr-tip{font-size:12px;color:var(--muted)}
.contact-panel{background:var(--grad);border-radius:22px;padding:36px;color:var(--on-brand);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.contact-panel::after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.35);right:-50px;top:-50px}
.contact-panel h3{font-size:24px;font-weight:800;margin-bottom:12px;position:relative;z-index:1}
.contact-panel p{font-size:15px;margin-bottom:24px;position:relative;z-index:1}
.contact-panel .btn{position:relative;z-index:1;align-self:flex-start;background:#fff;color:var(--brand-2)}

/* 页脚 */
footer{background:var(--dark);color:#cfc2b0;padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-grid h4{color:#fff;font-size:14px;margin-bottom:14px}
.footer-grid p,.footer-grid a{font-size:13px;color:#cfc2b0;display:block;margin-bottom:7px}
.footer-grid a:hover{color:#fff}
.footer-brand .logo{color:#fff;margin-bottom:12px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding-top:22px;font-size:12px;color:var(--muted)}

/* 回到顶部 */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:var(--on-brand);border:none;cursor:pointer;font-size:20px;box-shadow:var(--shadow-md);opacity:0;pointer-events:none;transition:.3s;z-index:90}
.to-top.show{opacity:1;pointer-events:auto}

/* 动画 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .vinyl-wrap{min-height:300px}
  .vinyl{width:240px;height:240px}
  .pkg-grid{grid-template-columns:1fr 1fr}
  .rank-card{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .contact-wrap{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  section{padding:56px 0}
  .container{padding:0 18px}
  .nav-inner{height:62px}
  .menu{position:fixed;top:62px;left:0;right:0;background:#fffdf6;flex-direction:column;align-items:stretch;gap:4px;padding:16px 18px 24px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.3s;box-shadow:var(--shadow-lg)}
  .menu.open{transform:translateY(0)}
  .menu a{padding:13px 16px;font-size:16px}
  .menu .cta-btn{margin:8px 0 0;text-align:center}
  .nav-toggle{display:block}
  .pkg-grid{grid-template-columns:1fr}
  .svc-list{grid-template-columns:1fr}
  .data-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:18px}
  .chart-row{flex-direction:column;align-items:flex-start}
  .chart-row .cn{min-width:0}
  .pkg{padding:18px 16px}
  .pkg .desc{font-size:14px;line-height:1.8}
  .rank-card{padding:24px 20px}
  .rank-card .price{font-size:32px}
  .svc-card{padding:20px}
  .contact-item{padding:16px}
  .page-hero{padding:48px 0}
  .page-hero h1{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-grid > div{padding:20px 0}
  .footer-grid > div + div{border-top:1px solid rgba(255,255,255,.12)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}