:root{
  --red:#F03036; --orange:#FF7A45; --violet:#7B5CFF; --blue:#2E7DFF;
  --cyan:#12C2B0; --pink:#E24B8E; --amber:#FFB020;
  --ink:#101119; --ink2:#4a4e5d; --ink3:#888da0;
  --line:#e5e7f1; --bg:#f5f6fb; --card:#fff;
  --grad:linear-gradient(100deg,#F03036 0%,#FF7A45 34%,#E24B8E 66%,#7B5CFF 100%);
  --r:14px; --r-lg:20px; --wrap:1120px;
  --sh:0 2px 6px rgba(20,24,60,.05), 0 14px 34px -18px rgba(20,24,60,.22);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.015em}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sec{padding:54px 0}
.sec-h{font-size:23px}
.sec-sub{color:var(--ink2);font-size:14px;margin-top:9px}

/* ---------- 顶栏 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:14px;height:60px;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:17px;flex:0 0 auto}
.logo i{width:31px;height:31px;border-radius:10px;flex:0 0 auto;background:var(--grad);color:#fff;font-style:normal;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px -6px rgba(200,60,120,.7)}
.nav-links{display:none;gap:26px;margin-left:auto;font-size:14.5px;color:var(--ink2)}
.nav-links a:hover{color:var(--red)}
.nav .btn-dl{margin-left:auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 21px;font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;transition:transform .1s ease,box-shadow .2s ease,filter .2s ease}
.btn:active{transform:scale(.98)}
.btn-grad{background:var(--grad);color:#fff;background-size:180% 100%;box-shadow:0 10px 24px -10px rgba(210,50,110,.75)}
.btn-grad:hover{background-position:60% 0;filter:saturate(1.15)}
.btn-ghost{background:rgba(255,255,255,.9);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:#c9cee2}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.btn-lg{padding:15px 30px;font-size:16.5px;border-radius:14px}
.btn[disabled]{opacity:.5;cursor:default}
.btn .arw{font-size:15px;transform:translateY(-.5px)}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:46px 0 50px;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(38% 44% at 84% 6%, rgba(123,92,255,.20), transparent 72%),
    radial-gradient(36% 42% at 58% 0%, rgba(240,48,54,.17), transparent 72%),
    radial-gradient(30% 40% at 98% 46%, rgba(18,194,176,.17), transparent 72%),
    radial-gradient(40% 40% at 4% 30%, rgba(255,122,69,.13), transparent 72%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(118,128,170,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(118,128,170,.055) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(72% 62% at 50% 24%,#000 0%,transparent 80%);
  mask-image:radial-gradient(72% 62% at 50% 24%,#000 0%,transparent 80%);
}
.hero-in{position:relative;display:grid;gap:36px}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:#b0245a;background:rgba(240,48,54,.09);border:1px solid rgba(240,48,54,.16);border-radius:999px;padding:6px 14px}
.eyebrow b{width:6px;height:6px;border-radius:50%;background:var(--grad);display:block}
.hero h1{font-size:32px;line-height:1.22;margin:18px 0 0;letter-spacing:-.03em}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{color:var(--ink2);font-size:15.5px;margin-top:15px;max-width:33em}
.hero-cta{display:flex;flex-wrap:wrap;gap:11px;margin-top:27px}
.hero-meta{display:flex;flex-wrap:wrap;gap:7px 15px;color:var(--ink3);font-size:13px;margin-top:17px}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta span::before{content:"";width:4px;height:4px;border-radius:50%;background:#c9cde0}
.hero-meta span:first-child::before{display:none}
.hero-shot{position:relative;display:flex;justify-content:center}
.phone{width:232px;border-radius:32px;padding:9px;background:linear-gradient(150deg,#2a2b36,#14151c);box-shadow:0 30px 60px -24px rgba(20,24,60,.55),0 3px 8px rgba(20,24,60,.22);position:relative;z-index:2}
.phone img{border-radius:23px;width:100%}
.phone::after{content:"";position:absolute;inset:9px;border-radius:23px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.float-tag{position:absolute;z-index:3;display:none;align-items:center;gap:6px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:700;box-shadow:var(--sh)}
.float-tag s{width:7px;height:7px;border-radius:50%;text-decoration:none}
.t1{top:8%;left:-6%;animation:fl 5s ease-in-out infinite}
.t2{bottom:14%;right:-8%;animation:fl 5s ease-in-out infinite .7s}
@keyframes fl{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ---------- 产品矩阵 ---------- */
.pgrid{display:grid;gap:16px;margin-top:28px}
.pcard{position:relative;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .22s ease}
.pcard:hover{transform:translateY(-4px);box-shadow:0 4px 10px rgba(20,24,60,.06),0 26px 46px -22px rgba(20,24,60,.32)}
.pcard::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--c1),var(--c2))}
.pcard::after{content:"";position:absolute;right:-40%;bottom:-64%;width:180px;height:180px;border-radius:50%;background:radial-gradient(closest-side,var(--c1),transparent 72%);opacity:.10;pointer-events:none}
.pcard.soon{background:#fbfbfe}
.pcard.soon::after{opacity:.06}
.pico{width:46px;height:46px;border-radius:14px;flex:0 0 auto;background:linear-gradient(140deg,var(--c1),var(--c2));color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px -8px color-mix(in srgb,var(--c1) 70%,transparent)}
.pcard-hd{display:flex;align-items:center;gap:12px}
.pcard h3{font-size:16.5px;line-height:1.3}
.tag{display:inline-block;font-size:11.5px;font-weight:700;color:#b0245a;background:rgba(240,48,54,.09);border-radius:6px;padding:2px 8px;margin-top:5px}
.tag-soon{color:#6b7089;background:#eef0f7}
.pdesc{color:var(--ink2);font-size:14px;margin-top:14px}
.pfeats{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:7px;font-size:13.5px;color:var(--ink2)}
.pfeats li{display:flex;gap:8px;align-items:flex-start}
.pfeats li::before{content:"";flex:0 0 auto;width:15px;height:15px;margin-top:3.5px;border-radius:50%;background:linear-gradient(140deg,var(--c1),var(--c2)) center/15px no-repeat,
  url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.4l2.6 2.6L12 5.6' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat}
.pcard-act{display:flex;gap:9px;flex-wrap:wrap;margin-top:auto;padding-top:20px}
.soon-badge{font-size:13px;font-weight:700;color:#6b7089;background:#eef0f7;border-radius:10px;padding:10px 15px}

/* ---------- 特性 ---------- */
.fgrid{display:grid;gap:13px;margin-top:28px}
.fitem{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;transition:transform .18s ease,box-shadow .22s ease}
.fitem:hover{transform:translateY(-3px);box-shadow:var(--sh)}
.fico{width:38px;height:38px;border-radius:12px;color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:13px;background:linear-gradient(140deg,var(--c1),var(--c2));box-shadow:0 8px 18px -9px color-mix(in srgb,var(--c1) 75%,transparent)}
.fico svg{width:19px;height:19px}
.fitem h3{font-size:15.5px}
.fitem p{color:var(--ink2);font-size:13.5px;margin-top:6px;line-height:1.62}

/* ---------- 截图带 ---------- */
.shots{background:linear-gradient(180deg,#fff,#f7f8fd)}
.rail{display:flex;gap:14px;overflow-x:auto;padding:26px 20px 12px;margin:0 -20px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:0}
.rail figure{margin:0;flex:0 0 auto;width:186px;scroll-snap-align:center}
.rail img{width:100%;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--sh)}
.rail figcaption{font-size:12.5px;color:var(--ink3);text-align:center;margin-top:9px}
.rail-hint{color:var(--ink3);font-size:12.5px;text-align:center;margin-top:2px}

/* ---------- 更新日志 ---------- */
.logs{margin-top:26px;border-left:2px solid var(--line);padding-left:20px;display:grid;gap:20px}
.log{position:relative}
.log::before{content:"";position:absolute;left:-27px;top:6px;width:11px;height:11px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px #d8dcec}
.log:first-child::before{background:var(--grad);box-shadow:0 0 0 2px rgba(240,48,54,.28)}
.log .dt{font-size:12.5px;color:var(--ink3);font-variant-numeric:tabular-nums}
.log h3{font-size:15px;margin-top:4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.log p{color:var(--ink2);font-size:14px;margin-top:6px;white-space:pre-line}

/* ---------- 下载区 ---------- */
.dlbox{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:24px;padding:26px 20px;background:#fff;box-shadow:var(--sh)}
.dlbox::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(42% 60% at 8% 0%,rgba(240,48,54,.13),transparent 70%),
  radial-gradient(40% 60% at 92% 8%,rgba(123,92,255,.14),transparent 70%),
  radial-gradient(38% 56% at 60% 100%,rgba(18,194,176,.12),transparent 70%)}
.dlbox>*{position:relative}
.dlbox h2{font-size:24px}
.dlbox .sub{color:var(--ink2);font-size:14.5px;margin-top:10px}
.dl-tabs{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-top:22px}
.dl-tab{display:inline-flex;align-items:center;gap:8px;font-family:inherit;font-size:13.5px;font-weight:700;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;cursor:pointer;transition:all .16s ease}
.dl-tab .dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.dl-tab:hover{border-color:#c9cee2}
.dl-tab.on{color:var(--t1,#F03036);border-color:color-mix(in srgb,var(--t1,#F03036) 45%,#fff);background:color-mix(in srgb,var(--t1,#F03036) 7%,#fff);box-shadow:0 0 0 3px color-mix(in srgb,var(--t1,#F03036) 12%,transparent)}
.dl-tab .mini{font-size:11px;font-weight:700;color:#8a8fa6;background:#eef0f7;border-radius:5px;padding:1px 6px}
.dl-stage{margin-top:24px;text-align:center}
.dl-stage .pname{font-size:16px;font-weight:800}
.dl-stage .pver{color:var(--ink3);font-size:13px;margin-top:5px}
.dl-row{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:18px}
.dl-row .btn{width:100%;max-width:330px}
.qr{display:none}
.fallback{margin-top:16px;font-size:12.5px;color:var(--ink3)}
.fallback a{color:var(--ink2);text-decoration:underline;word-break:break-all}
.tips{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.tips span{font-size:12.5px;color:var(--ink2);background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.soon-txt{color:var(--ink2);font-size:14px;margin-top:14px;max-width:30em;margin-left:auto;margin-right:auto}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:32px 0 36px;background:#fff}
.foot{display:grid;gap:14px;color:var(--ink3);font-size:12.5px;line-height:1.72}
.foot .brand{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:800;font-size:15px}
.foot .brand i{width:27px;height:27px;border-radius:9px;background:var(--grad);color:#fff;font-style:normal;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.disc{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:13px 15px}

/* ---------- 手机吸底下载条 ---------- */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-top:1px solid var(--line);transform:translateY(120%);transition:transform .28s ease}
.sticky.on{transform:translateY(0)}
.sticky .s-t{flex:1;min-width:0;font-size:13px;color:var(--ink2);line-height:1.4}
.sticky .s-t b{display:block;color:var(--ink);font-size:14px}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width:720px){
  .sec{padding:72px 0}
  .sec-h{font-size:29px}
  .hero{padding:66px 0 74px}
  .hero h1{font-size:45px}
  .hero .lead{font-size:17px}
  .nav-links{display:flex;margin-left:auto}
  .nav .btn-dl{margin-left:8px}
  .hero-in{grid-template-columns:1.06fr .94fr;align-items:center;gap:40px}
  .hero-shot{justify-content:flex-end}
  .phone{width:262px}
  .float-tag{display:inline-flex}
  .pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
  .rail{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:16px;overflow:visible;margin:28px 0 0;padding:0}
  .rail figure{width:auto}
  .rail-hint{display:none}
  .dl-row{flex-direction:row;justify-content:center;align-items:center}
  .dl-row .btn{width:auto;min-width:280px}
  .sticky{display:none}
  .foot{grid-template-columns:1fr auto;align-items:start}
}
@media (min-width:1024px){
  .hero h1{font-size:52px}
  .pgrid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .fgrid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .qr{display:block;width:134px;flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:11px;text-align:center}
  .qr .box{width:100%;aspect-ratio:1;border-radius:8px;background:repeating-conic-gradient(var(--ink) 0 25%,#fff 0 50%) 0 0/12px 12px;outline:1px dashed #c9cee2;outline-offset:3px}
  .qr .cap{font-size:12px;color:var(--ink3);margin-top:9px;line-height:1.4}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sticky{transition:none}
  .float-tag{animation:none}
}