/* 应用入口页（portal） */
:root {
  --ink: #17251f;
  --ink-2: #3d5a4f;
  --ink-3: #6b8579;
  --muted: #8fa79c;
  --paper: #f7f5ef;
  --surface: #ffffff;
  --line: #e3e6de;
  --hair: #eef0e9;
  --primary: #0f5c46;
  --primary-700: #0b4a38;
  --primary-soft: #e7f2ec;
  --accent: #d98c5f;
  --radius: 20px;
  --shadow-s: 0 1px 2px rgba(23, 37, 31, .05), 0 2px 8px rgba(23, 37, 31, .04);
  --shadow-m: 0 2px 6px rgba(23, 37, 31, .06), 0 12px 32px rgba(23, 37, 31, .08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(900px 420px at 12% -8%, #e4f1ea 0%, transparent 62%),
    radial-gradient(700px 380px at 92% 2%, #f6ece2 0%, transparent 55%),
    var(--paper);
}

/* ---------- 头部 ---------- */
.site-head {
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--primary);
}
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 13px;
  display: grid; place-items: center;
  color: #fff;
  background: linear-gradient(140deg, #14705a, #0b4a38);
  box-shadow: 0 6px 16px rgba(15, 92, 70, .28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text b { font-size: 16px; letter-spacing: .2px; color: var(--ink); }
.brand-text i { font-style: normal; font-size: 11.5px; color: var(--ink-3); }
.head-note {
  font-size: 12px;
  color: var(--ink-3);
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
}

/* ---------- 主体 ---------- */
.stage {
  max-width: 1080px;
  margin: 0 auto;
  padding: 54px 24px 40px;
}

.hello { max-width: 640px; }
.eyebrow {
  margin: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--primary);
  font-weight: 600;
}
.hello h1 {
  margin: 0 0 14px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.22;
  letter-spacing: -.4px;
  color: var(--ink);
}
.lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 卡片 ---------- */
.apps {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 20px;
}
@media (max-width: 860px) {
  .apps { grid-template-columns: 1fr; }
}

.app-card {
  position: relative;
  display: flex;
  gap: 20px;
  padding: 26px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-s);
  text-decoration: none;
  color: inherit;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.app-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-m);
  border-color: #cfe3d9;
}
.app-card:focus-visible { outline: 3px solid #9ccdb9; outline-offset: 3px; }

.app-art {
  flex: none;
  width: 120px; height: 120px;
  display: grid; place-items: center;
}
.app-body { min-width: 0; }
.app-tags { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.tag {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-700);
  font-weight: 600;
}
.tag-live { background: #0f5c46; color: #fff; }
.tag-soon { background: #f1efe7; color: #8b8674; }

.app-body h2 {
  margin: 0 0 8px;
  font-size: 21px;
  letter-spacing: -.2px;
}
.app-body p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-3);
}
.app-meta {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-3);
}
.app-meta span {
  padding-left: 14px;
  position: relative;
}
.app-meta span::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  width: 5px; height: 5px; margin-top: -2.5px;
  border-radius: 50%;
  background: #b7cdc2;
}

.app-go {
  position: absolute;
  right: 24px; bottom: 22px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
}
.app-card:hover .app-go { gap: 9px; }

.is-soon {
  cursor: default;
  opacity: .82;
  background: #fdfcf8;
}
.is-soon:hover { transform: none; box-shadow: var(--shadow-s); border-color: var(--line); }
.app-art--soon { opacity: .8; }

/* ---------- 提示 ---------- */
.tips { margin-top: 46px; }
.tips h3 {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--muted);
  font-weight: 600;
}
.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 760px) {
  .tip-grid { grid-template-columns: 1fr; }
}
.tip {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--hair);
}
.tip b { display: block; margin-bottom: 6px; font-size: 13.5px; color: var(--ink); }
.tip p { margin: 0; font-size: 12.5px; line-height: 1.7; color: var(--ink-3); }
.tip code {
  font-size: 12px;
  padding: 1px 6px;
  border-radius: 6px;
  background: var(--primary-soft);
  color: var(--primary-700);
}

/* ---------- 页脚 ---------- */
.site-foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 46px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.site-foot .dot { color: #c9d4ce; }

/* 深色（跟随系统） */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9f3ee;
    --ink-2: #c2d6cc;
    --ink-3: #9db4a9;
    --muted: #7d948a;
    --paper: #0b1411;
    --surface: #101c17;
    --line: #22332b;
    --hair: #1c2b24;
    --primary: #6fd3b0;
    --primary-700: #8fe3c6;
    --primary-soft: #12332a;
  }
  body {
    background:
      radial-gradient(900px 420px at 12% -8%, #103026 0%, transparent 62%),
      radial-gradient(700px 380px at 92% 2%, #2a1d15 0%, transparent 55%),
      var(--paper);
  }
  .brand-text b { color: var(--ink); }
  .head-note { background: rgba(255, 255, 255, .04); }
  .is-soon { background: #0f1a15; }
  .tip { background: rgba(255, 255, 255, .03); }
  .app-card:hover { border-color: #2c4a3e; }
}

/* 窄屏：卡片改成上下排，插画缩小，避免文字被挤成细条 */
@media (max-width: 560px) {
  .stage { padding: 34px 18px 32px; }
  .site-head { padding: 20px 18px 0; }
  .app-card { flex-direction: column; gap: 14px; padding: 20px; }
  .app-art { width: 76px; height: 76px; }
  .app-art svg { width: 76px; height: 76px; }
  .app-body h2 { font-size: 19px; }
  .app-go { position: static; align-self: flex-end; margin-top: 4px; }
  .tips { margin-top: 34px; }
}