/* =========================================================
   云梦泽软件工厂 · 企业级设计规范 v2.1（字体整体 +1 档）
   设计语言：深空藏蓝底 + 鎏金强调 + 细线分割 + 克制光效
   原则：光效只出现在交互反馈上，靠对齐/留白/层级撑质感
   ========================================================= */
:root{
  --bg:#060a13;
  --bg2:#0a101d;
  --panel:#0d1424;
  --panel2:#0a1120;
  --line:#182338;
  --line2:#263450;
  --ink:#eef2fa;
  --muted:#94a1ba;
  --dim:#5c6a85;
  --gold:#e2b857;
  --gold2:#f0cd7a;
  --gold-dim:rgba(226,184,87,.10);
  --blue:#4d7cfe;
  --green:#3ddc97;
  --red:#ff6b6b;
  --radius:14px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Segoe UI",system-ui,-apple-system,sans-serif;
  --shadow-1:0 2px 10px rgba(1,4,12,.45);
  --shadow-2:0 18px 44px rgba(1,4,12,.6);
  --shadow-gold:0 8px 26px rgba(226,184,87,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::selection{background:rgba(226,184,87,.85);color:#171204}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#1d2a44;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:var(--bg)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px}

.container{max-width:1140px;margin:0 auto;padding:0 24px}
.mt{margin-top:44px}
.mt-s{margin-top:16px}
.note{color:var(--dim);font-size:13px;margin-top:10px}
.center{text-align:center}

/* 顶部公告 */
.topbar{position:relative;background:linear-gradient(90deg,#171204,#241b06 50%,#171204);border-bottom:1px solid rgba(226,184,87,.22);color:var(--gold2);font-size:13px;text-align:center;padding:7px 12px;letter-spacing:1.5px}

/* 导航 */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(6,10,19,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-nav::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(226,184,87,.35),transparent);pointer-events:none}
.site-nav .container{display:flex;align-items:center;gap:28px;height:66px}
.logo{font-size:19px;font-weight:800;letter-spacing:1px;display:flex;align-items:center;gap:10px;white-space:nowrap}
.logo .mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#F7D774,#B98332);display:flex;align-items:center;justify-content:center;font-size:17px;color:#0F223C;flex:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 4px 14px rgba(226,184,87,.25)}
.logo b{color:var(--gold2)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px}
.nav-links a{color:var(--muted);padding:21px 2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--gold2);border-color:var(--gold)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:11px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,border-color .2s,color .2s,background .2s;white-space:nowrap}
.btn.primary{background:linear-gradient(180deg,#f3d384,#dcae47);color:#1b1405;box-shadow:inset 0 1px 0 rgba(255,255,255,.45),var(--shadow-gold)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 12px 32px rgba(226,184,87,.32)}
.btn.primary:active{transform:translateY(0);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 4px 12px rgba(226,184,87,.2)}
.btn.ghost{border-color:var(--line2);color:var(--ink);background:rgba(255,255,255,.02)}
.btn.ghost:hover{border-color:rgba(226,184,87,.6);color:var(--gold2);background:var(--gold-dim)}
.btn.small{padding:8px 18px;font-size:13.5px;border-radius:9px}
.btn.disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.4)}
.btn.disabled:hover{transform:none}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:96px 0 80px;background:
  radial-gradient(1100px 480px at 78% -12%,rgba(77,124,254,.13),transparent 62%),
  radial-gradient(880px 420px at 6% -6%,rgba(226,184,87,.09),transparent 58%),
  linear-gradient(180deg,#081020 0%,#060a13 78%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,161,186,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(148,161,186,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(760px 460px at 24% 20%,#000 30%,transparent 78%);mask-image:radial-gradient(760px 460px at 24% 20%,#000 30%,transparent 78%);pointer-events:none}
.hero .container{position:relative}
.hero .badge.gold{margin-bottom:4px}
.hero h1{font-size:48px;line-height:1.22;font-weight:900;letter-spacing:.5px;margin:18px 0}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#f5d78a 10%,#e2b857 55%,#c9971f);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.sub{color:var(--muted);font-size:18px;max-width:660px}
.cta-row{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}

/* 数据条 */
.stats{display:flex;margin-top:56px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(10,16,29,.72);backdrop-filter:blur(6px);overflow:hidden;box-shadow:var(--shadow-1)}
.stat{flex:1;text-align:center;padding:20px 10px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:24px;color:var(--gold2);font-weight:900;letter-spacing:.5px;font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--muted)}

/* 章节骨架 */
.sec{padding:76px 0}
.sec.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:36px}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-size:13px;letter-spacing:4px;font-weight:700;margin-bottom:12px}
.kicker::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--gold),transparent);border-radius:2px}
.sec-title{font-size:32px;font-weight:900;letter-spacing:.5px;line-height:1.35}
.sec-desc{color:var(--muted);margin-top:12px;max-width:700px}

/* 栅格 */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* 卡片 */
.card{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .22s,border-color .22s,box-shadow .22s;display:flex;flex-direction:column;box-shadow:var(--shadow-1);overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:12%;right:12%;height:1px;background:linear-gradient(90deg,transparent,rgba(226,184,87,.5),transparent);opacity:0;transition:opacity .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(226,184,87,.5);box-shadow:var(--shadow-2)}
.card:hover::before{opacity:1}
.card .icon{width:52px;height:52px;border-radius:13px;background:var(--gold-dim);border:1px solid rgba(226,184,87,.3);display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:16px;flex:none}
.card h3{font-size:19px;margin-bottom:6px;letter-spacing:.3px}
.card .tagline{color:var(--gold2);font-size:13.5px;margin-bottom:10px}
.card p.desc{color:var(--muted);font-size:14.5px;flex:1}
.card .foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;gap:10px;flex-wrap:wrap}
.card.developing{opacity:.72}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:3.5px 11px;border-radius:20px;letter-spacing:1px}
.badge.gold{background:var(--gold-dim);color:var(--gold2);border:1px solid rgba(226,184,87,.4)}
.badge.ghost{background:transparent;color:var(--muted);border:1px dashed var(--line2)}
.badge.green{background:rgba(61,220,151,.1);color:var(--green);border:1px solid rgba(61,220,151,.35)}
.price-tag b{font-size:24px;color:var(--gold2);font-weight:900;font-variant-numeric:tabular-nums}
.price-tag small{color:var(--muted);font-size:12px}

/* 勾选清单 */
.pill-list{list-style:none;margin:8px 0}
.pill-list li{position:relative;padding:9px 0 9px 30px;border-bottom:1px dashed var(--line);font-size:15.5px;color:#dbe3f5}
.pill-list li:last-child{border-bottom:none}
.pill-list li::before{content:"✓";position:absolute;left:2px;top:10px;width:20px;height:20px;border-radius:6px;background:var(--gold-dim);color:var(--gold2);font-size:12px;display:flex;align-items:center;justify-content:center;font-weight:800}

/* 详情页 */
.crumb{font-size:14px;color:var(--dim);padding:22px 0 0}
.crumb a:hover{color:var(--gold2)}
.detail-head{display:flex;gap:22px;align-items:flex-start;margin:18px 0 6px;flex-wrap:wrap}
.detail-head .icon{width:74px;height:74px;font-size:38px;border-radius:18px;background:var(--gold-dim);border:1px solid rgba(226,184,87,.35);display:flex;align-items:center;justify-content:center;flex:none}
.detail-head h1{font-size:32px;font-weight:900;line-height:1.3}
.detail-head .tagline{color:var(--gold2);margin-top:4px}
.detail-head .meta{color:var(--dim);font-size:13px;margin-top:8px}

/* 教程视频 */
.video-grid{display:grid;gap:18px;grid-template-columns:repeat(2,1fr)}
.video-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .2s,transform .2s}
.video-card:hover{border-color:rgba(226,184,87,.45);transform:translateY(-3px)}
.video-card .vbody{aspect-ratio:16/9;background:#04060c;display:flex;align-items:center;justify-content:center}
.video-card iframe{width:100%;height:100%;border:0;display:block}
.video-card .vtitle{padding:13px 16px;font-size:15px;font-weight:600;border-top:1px solid var(--line)}
.video-ph{color:var(--dim);font-size:14px;text-align:center;padding:0 22px}

/* 下载 */
.dl-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.dl-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;border:1px solid var(--line2);background:var(--panel);color:var(--ink);font-size:14.5px;font-weight:600;transition:.2s}
.dl-btn:hover{border-color:var(--gold);color:var(--gold2);background:var(--gold-dim)}
.dl-btn.disabled{opacity:.45;cursor:not-allowed}

/* 更新时间线 */
.timeline{position:relative;margin-left:8px;border-left:2px solid var(--line2);padding-left:26px}
.t-item{position:relative;padding:0 0 26px}
.t-item:last-child{padding-bottom:4px}
.t-item::before{content:"";position:absolute;left:-33px;top:7px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(226,184,87,.15)}
.t-head{display:flex;gap:10px;align-items:center;margin-bottom:6px;flex-wrap:wrap}
.t-date{color:var(--dim);font-size:13px;font-variant-numeric:tabular-nums}
.t-ver{font-size:12px;font-weight:800;color:#1b1405;background:linear-gradient(180deg,#f3d384,#dcae47);padding:2px 10px;border-radius:20px}
.t-soft{font-size:12.5px;color:var(--muted);border:1px solid var(--line2);padding:2px 10px;border-radius:20px}
.t-notes{color:var(--muted);font-size:15px}

/* 价格卡 */
.price-card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:16px;padding:34px 28px;text-align:center;position:relative;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform .22s,border-color .22s,box-shadow .22s}
.price-card:hover{transform:translateY(-4px);border-color:rgba(226,184,87,.5)}
.price-card.featured{border-color:rgba(226,184,87,.6);box-shadow:0 0 0 1px rgba(226,184,87,.25),0 22px 54px rgba(226,184,87,.09)}
.price-card .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(180deg,#f3d384,#dcae47);color:#1b1405;font-size:12px;font-weight:800;padding:4px 16px;border-radius:20px;letter-spacing:2px;white-space:nowrap;box-shadow:0 6px 16px rgba(226,184,87,.3)}
.price-card .pname{font-size:16px;font-weight:700;color:var(--muted)}
.price-card .amount-old{color:#e0b36a;font-size:16px;text-decoration:line-through;margin-top:8px;font-weight:600}
.save-badge{display:inline-block;vertical-align:middle;margin-left:10px;background:linear-gradient(135deg,#f3d384,#dcae47);color:#1b1405;font-size:14px;font-weight:900;padding:5px 14px;border-radius:18px;box-shadow:0 4px 14px rgba(226,184,87,.4);letter-spacing:.5px;transform:translateY(-4px)}
.promo-strip{background:rgba(226,184,87,.12);border:1px solid rgba(226,184,87,.35);border-left:4px solid var(--gold2);padding:11px 13px;border-radius:10px;margin:14px 0 0;font-size:14px;line-height:1.55;color:#ecd9a8;text-align:left}
.promo-strip b{color:var(--gold2)}
.price-card .amount{font-size:46px;font-weight:900;color:var(--gold2);margin:4px 0 2px;letter-spacing:.5px;font-variant-numeric:tabular-nums}
.price-card .amount small{font-size:15px;color:var(--muted);font-weight:500}
.price-card ul{list-style:none;margin:18px 0 22px;text-align:left;flex:1}
.price-card ul li{padding:7px 0 7px 26px;position:relative;font-size:14.5px;color:#cfd9ee;border-bottom:1px dashed var(--line)}
.price-card ul li:last-child{border-bottom:none}
.price-card ul li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:800}

/* CTA 横幅 */
.band{position:relative;overflow:hidden;border:1px solid rgba(226,184,87,.35);background:linear-gradient(120deg,rgba(226,184,87,.10),rgba(77,124,254,.07));border-radius:18px;padding:46px 42px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(226,184,87,.14),transparent 70%);pointer-events:none}
.band h2{font-size:28px;font-weight:900}
.band p{color:var(--muted);margin-top:8px}

/* 表格 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius)}
.table-wrap .table{min-width:640px}
.table{width:100%;border-collapse:collapse;font-size:14.5px}
.table th,.table td{border:1px solid var(--line);padding:12px 16px;text-align:left}
.table th{background:var(--panel2);color:var(--gold2);font-weight:700;white-space:nowrap;font-size:13.5px;letter-spacing:1px}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:rgba(226,184,87,.04)}
.table td.num{color:var(--gold2);font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}

/* 占位框 / 联系框 */
.ph-box{border:1.5px dashed var(--line2);border-radius:12px;padding:22px;color:var(--dim);font-size:14.5px;text-align:center;background:rgba(255,255,255,.015)}
.ph-box b{color:var(--muted)}
.contact-box{display:flex;gap:16px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;flex-wrap:wrap}
.contact-box .wx{font-size:21px;font-weight:900;color:var(--gold2);letter-spacing:1px;font-variant-numeric:tabular-nums}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:var(--bg2);padding:52px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.site-footer h4{font-size:14.5px;color:var(--ink);margin-bottom:12px;position:relative;padding-left:12px}
.site-footer h4::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--gold)}
.site-footer p,.site-footer a{color:var(--muted);font-size:14px;display:block;margin-bottom:8px}
.site-footer a:hover{color:var(--gold2)}
.foot-note{border-top:1px solid var(--line);margin-top:34px;padding-top:18px;color:var(--dim);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* 二维码展示卡（品牌化扫码框） */
.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qr-card{position:relative;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:16px;padding:22px 16px 18px;text-align:center;transition:border-color .22s,transform .22s}
.qr-card:hover{border-color:rgba(226,184,87,.5);transform:translateY(-3px)}
.qr-frame{position:relative;width:220px;max-width:100%;aspect-ratio:1/1;margin:0 auto 14px;background:#fff;border-radius:12px;padding:10px;box-shadow:inset 0 0 0 1px rgba(13,20,36,.06)}
.qr-frame img{width:100%;height:100%;display:block;border-radius:4px}
.qr-corner{position:absolute;width:16px;height:16px;border:0 solid var(--gold)}
.qr-corner.tl{top:-6px;left:-6px;border-top-width:3px;border-left-width:3px;border-top-left-radius:8px}
.qr-corner.tr{top:-6px;right:-6px;border-top-width:3px;border-right-width:3px;border-top-right-radius:8px}
.qr-corner.bl{bottom:-6px;left:-6px;border-bottom-width:3px;border-left-width:3px;border-bottom-left-radius:8px}
.qr-corner.br{bottom:-6px;right:-6px;border-bottom-width:3px;border-right-width:3px;border-bottom-right-radius:8px}
.qr-card h4{font-size:15.5px;font-weight:800;margin-bottom:4px}
.qr-card p{font-size:12.5px;color:var(--muted)}

/* 响应式：平板 ≤900px / 手机 ≤600px */
@media (max-width:900px){
  .g3,.g4,.g2{grid-template-columns:1fr 1fr}
  .video-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:72px 0 60px}
  .hero h1{font-size:36px}
  .sec{padding:60px 0}
  .sec-title{font-size:27px}
  .band{padding:34px 28px}
  .band h2{font-size:23px}
  .price-card .amount{font-size:38px}
  .detail-head h1{font-size:26px}
}
@media (max-width:600px){
  .g3,.g4,.g2{grid-template-columns:1fr}
  /* 导航变两行：logo 一行，菜单一行可左右滑动 */
  .site-nav .container{flex-wrap:wrap;height:auto;gap:10px;padding:12px 20px 0}
  .logo{font-size:17px;gap:8px}
  .logo .mark{width:30px;height:30px;font-size:15px}
  .nav-links{margin-left:0;width:100%;gap:18px;font-size:14.5px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:10px}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{padding:8px 2px;white-space:nowrap}
  .hero{padding:52px 0 46px}
  .hero h1{font-size:29px}
  .hero p.sub{font-size:15.5px}
  .cta-row{margin-top:22px}
  .btn{padding:11px 20px;font-size:14.5px}
  .stats{flex-direction:column}
  .stat{border-right:none;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .sec{padding:44px 0}
  .sec-title{font-size:23px}
  .band{padding:26px 20px}
  .price-card{padding:26px 20px}
  .price-card .amount{font-size:34px}
  .contact-box{padding:16px}
  .contact-box .wx{font-size:18px}
  .footer-grid{grid-template-columns:1fr}
  .qr-grid{grid-template-columns:1fr}
  .qr-frame{width:200px}
  .table{font-size:13.5px}
  .table th,.table td{padding:9px 10px}
  .detail-head{gap:14px}
  .detail-head h1{font-size:23px}
  .detail-head .icon{width:56px;height:56px;font-size:28px}
  .foot-note{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* ============ 新手三步引导 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;display:flex;flex-direction:column;background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .22s,border-color .22s,box-shadow .22s;box-shadow:var(--shadow-1)}
.step:hover{transform:translateY(-3px);border-color:rgba(226,184,87,.5);box-shadow:var(--shadow-2)}
.step .num{width:36px;height:36px;border-radius:10px;background:linear-gradient(180deg,#f3d384,#dcae47);color:#1b1405;font-weight:900;font-size:15px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 4px 12px rgba(226,184,87,.22);font-variant-numeric:tabular-nums}
.step h3{font-size:18px;margin-bottom:8px;letter-spacing:.3px}
.step p{color:var(--muted);font-size:14.5px;flex:1}
.step .go{margin-top:16px;font-size:14.5px;font-weight:800;color:var(--gold2);display:inline-flex;align-items:center;gap:6px}
.step .go:hover{color:#fff}

/* ============ 软件下载页 ============ */
.sec-tight{padding:54px 0 70px}
.sw-block{display:grid;grid-template-columns:1.02fr .98fr;gap:26px;align-items:start}
.sw-block + .sw-block{margin-top:26px}
.sw-info .detail-head{margin:0 0 16px;align-items:center}
.sw-dl .card{position:sticky;top:86px}
.card.link{cursor:pointer}
.combo-note{margin-top:26px}

@media (max-width:900px){
  .steps{grid-template-columns:1fr}
  .sw-block{grid-template-columns:1fr}
  .sw-dl .card{position:static}
}