:root{
  --bg:#FAF8F4;
  --surface:#FFFFFF;
  --ink:#1F1B16;
  --muted:#6B655C;
  --line:#E6E0D6;
  --indigo:#2F4858;
  --indigo-600:#243A47;
  --cinnabar:#C0392B;
  --cinnabar-600:#A52F22;
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.btn{
  display:inline-block;padding:12px 24px;border-radius:10px;font-size:15px;
  font-weight:500;cursor:pointer;border:1px solid transparent;transition:.15s;
}
.btn-primary{background:var(--cinnabar);color:#fff}
.btn-primary:hover{background:var(--cinnabar-600)}
.btn-ghost{background:transparent;border-color:var(--indigo);color:var(--indigo)}
.btn-ghost:hover{background:var(--indigo);color:#fff}

/* header */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.92);
  backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:20px;font-weight:500;color:var(--indigo);letter-spacing:2px;display:inline-flex;align-items:center}
.logo img{height:32px;width:auto;display:block}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{color:var(--muted);font-size:15px}
.nav-links a:hover{color:var(--ink)}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;
  background:var(--indigo);color:#fff;margin-left:6px;vertical-align:middle}
.cta-mini{background:var(--cinnabar);color:#fff;padding:8px 18px;border-radius:9px;font-size:14px}
.user-mini{display:flex;align-items:center;gap:10px;font-size:13px}
.user-mini .user-plan{background:var(--indigo);color:#fff;padding:4px 10px;border-radius:8px;font-size:12px;white-space:nowrap}
.user-mini .user-quota{color:var(--cinnabar);font-size:13px;white-space:nowrap}
.user-mini .user-name{color:var(--ink);max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:720px){.user-mini .user-name{display:none}}
.shot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:24px}
.shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 6px 20px rgba(47,72,88,.05)}
.shot img{width:100%;display:block;aspect-ratio:16/10;object-fit:cover;background:var(--surface)}
.shot figcaption{padding:12px 14px;font-size:14px;color:var(--muted)}
@media(max-width:820px){.shot-grid{grid-template-columns:1fr}}

/* hero */
.hero{padding:64px 0 48px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:44px;line-height:1.25;margin:0 0 18px;font-weight:500;letter-spacing:.5px}
.hero .sub{font-size:18px;color:var(--muted);margin:0 0 14px;max-width:520px}
.hero .free{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--cinnabar);
  background:#FBEDEA;padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero .acts{display:flex;gap:14px;margin-top:26px}
.hero-art{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px;
  box-shadow:0 12px 40px rgba(47,72,88,.08)}
.hero-art img{width:100%;display:block}
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:32px}
}

/* section */
.section{padding:56px 0}
.section h2{font-size:28px;font-weight:500;text-align:center;margin:0 0 8px}
.section .lead{text-align:center;color:var(--muted);margin:0 auto 36px;max-width:680px}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.15s}
.card:hover{border-color:var(--indigo);transform:translateY(-2px)}
.card .ic{width:40px;height:40px;border-radius:10px;background:var(--indigo);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px}
.card h3{margin:0 0 8px;font-size:18px;font-weight:500}
.card p{margin:0 0 12px;color:var(--muted);font-size:14px}
.card ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px}
.card.planned{border-style:dashed}
.tag{font-size:11px;padding:2px 8px;border-radius:6px;background:#F3EDE3;color:var(--indigo);
  display:inline-block;margin-bottom:10px}

/* download blocks */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.dl{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.dl h3{margin:0 0 6px;font-size:20px}
.dl .meta{color:var(--muted);font-size:14px;margin-bottom:18px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.price.hl{border-color:var(--cinnabar)}
.price h3{margin:0 0 4px;font-size:22px}
.price .pr{font-size:30px;font-weight:500;margin:10px 0}
.price .note{color:var(--muted);font-size:14px;min-height:42px}
.price ul{list-style:none;padding:0;margin:18px 0}
.price li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px;display:flex;justify-content:space-between}
.ok{color:var(--indigo)}.no{color:#B7B0A4}.soon{color:var(--cinnabar)}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}

/* footer */
.footer{background:#211F1B;color:#cfc9bf;margin-top:60px;padding:48px 0}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:500}
.footer a{color:#cfc9bf;font-size:14px;display:block;padding:4px 0}
.footer a:hover{color:#fff}
.footer .copy{margin-top:36px;padding-top:20px;border-top:1px solid #3a3733;color:#8d877c;font-size:13px}

/* responsive */
@media(max-width:860px){
  .nav-links{display:none}
  .hero h1{font-size:32px}
  .dl-grid,.price-grid,.footer .cols{grid-template-columns:1fr}
}