/* 叨叨互娱官网样式：与 App 同一套设计语言（小叨粉 / 火焰渐变 / 小叨切角 / 深浅色自动切换） */

:root {
  --page: #F7F4F7;
  --card: #FFFFFF;
  --ink: #241826;
  --ink-2: #7A6B7E;
  --ink-3: #B29DAF;
  --line: #F0E4EC;
  --brand: #FF2D6E;
  --brand-soft: #FFEDF3;
  --flame-a: #FF2D6E;
  --flame-b: #FF6B4A;
  --price: #F25C05;
  --radius: 16px;
  --shadow: 0 3px 14px rgba(74, 32, 60, .05);
  --max: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #17111C;
    --card: #221A2B;
    --ink: #F2E8F0;
    --ink-2: #A392A8;
    --ink-3: #6E5C74;
    --line: #332740;
    --brand: #FF4D82;
    --brand-soft: #33203A;
    --price: #FF9D4D;
    --shadow: 0 3px 14px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--page);
  color: var(--ink);
  font: 16px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* 顶栏 */
.nav {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(180%) blur(14px);
  background: color-mix(in srgb, var(--page) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 20px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 18px;
         font-style: italic; color: var(--ink); }
.brand img { width: 30px; height: 30px; }
.nav .links { margin-left: auto; display: flex; gap: 4px; }
.nav .links a { color: var(--ink-2); font-size: 14px; padding: 6px 12px; border-radius: 9px; }
.nav .links a:hover { background: var(--brand-soft); color: var(--brand); text-decoration: none; }

/* 首屏 */
.hero {
  background: radial-gradient(900px 460px at 78% 12%, #3A1B33 0%, #241528 46%, #180F1D 100%);
  color: #fff; overflow: hidden; position: relative;
}
.hero .wrap { display: flex; align-items: center; gap: 40px; padding-top: 68px; padding-bottom: 68px; }
.hero .copy { flex: 1; min-width: 0; }
.eyebrow { font-size: 12px; letter-spacing: .22em; font-weight: 600; color: #FF7FA5; }
.hero h1 { font-size: clamp(34px, 5.4vw, 54px); font-weight: 800; letter-spacing: .02em;
           margin: 16px 0 10px; line-height: 1.25; }
.hero p.lead { color: #CBB3C8; font-size: 17px; max-width: 30em; }
.hero .chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 26px; }
.hero .chip { font-size: 12.5px; color: #EBD7E6; border: 1px solid #4A3350;
              padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.04); }
.hero .chip b { color: #FF7FA5; font-weight: 600; }
.hero .mascot { width: min(300px, 34vw); filter: drop-shadow(0 22px 50px rgba(255,45,110,.4)); }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.btn-blade {
  display: inline-block; background: linear-gradient(120deg, var(--flame-a), var(--flame-b));
  color: #fff; font-weight: 700; font-size: 15px; padding: 13px 30px;
  clip-path: polygon(0 0, calc(100% - 13px) 0, 100% 13px, 100% 100%, 0 100%);
  border-radius: 13px 0 13px 13px;
}
.btn-blade:hover { text-decoration: none; filter: brightness(1.06); }
.btn-ghost {
  display: inline-block; border: 1px solid #5A4363; color: #EBD7E6;
  padding: 12px 26px; border-radius: 13px; font-size: 15px;
}
.btn-ghost:hover { text-decoration: none; border-color: var(--brand); color: #fff; }

/* 通用区块 */
section { padding: 66px 0; }
.sec-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 32px; }
.sec-head h2 { font-size: 26px; font-weight: 800; }
.sec-head .en { margin-left: auto; font-size: 12px; letter-spacing: .28em; color: var(--ink-3); }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--ink-2); }
.card .icon {
  width: 40px; height: 40px; border-radius: 12px; background: var(--brand-soft);
  display: grid; place-items: center; margin-bottom: 14px; font-size: 19px;
}

/* 步骤 */
.steps { counter-reset: step; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .num {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(140deg, var(--flame-a), var(--flame-b));
  color: #fff; font-weight: 700; font-size: 14px; display: grid; place-items: center;
}
.step h3 { font-size: 16px; margin-bottom: 4px; }
.step p { font-size: 13.5px; color: var(--ink-2); }

/* 游戏标签 */
.games { display: flex; flex-wrap: wrap; gap: 10px; }
.game-tag {
  font-size: 13.5px; color: var(--ink-2); background: var(--card);
  border: 1px solid var(--line); padding: 8px 16px; border-radius: 999px;
}

/* 免责与页脚 */
.notice {
  background: var(--brand-soft); border-radius: var(--radius);
  padding: 20px 24px; font-size: 13.5px; color: var(--ink-2); line-height: 1.9;
}
.notice b { color: var(--ink); }

footer { border-top: 1px solid var(--line); padding: 34px 0 60px; color: var(--ink-3); font-size: 13px; }
footer .wrap { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
footer .links { display: flex; gap: 16px; }
footer .copy { margin-left: auto; }
@media (max-width: 560px) { footer .copy { margin-left: 0; } }

/* 法律条款页 */
.legal { max-width: 780px; margin: 0 auto; padding: 48px 24px 80px; }
.legal h1 { font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.legal .meta { color: var(--ink-3); font-size: 13px; margin-bottom: 32px; }
.legal h2 { font-size: 18px; font-weight: 700; margin: 34px 0 10px; padding-top: 18px;
            border-top: 1px solid var(--line); }
.legal h2:first-of-type { border-top: 0; padding-top: 0; }
.legal p, .legal li { color: var(--ink-2); font-size: 15px; line-height: 1.95; }
.legal ol, .legal ul { padding-left: 22px; margin: 8px 0; }
.legal li { margin: 6px 0; }
.legal strong { color: var(--ink); }
.legal .back { display: inline-block; margin-bottom: 24px; font-size: 14px; }

@media (max-width: 760px) {
  .hero .wrap { flex-direction: column; text-align: center; gap: 26px; }
  .hero .chips, .cta-row { justify-content: center; }
  .hero .mascot { width: 210px; }
  .nav .links a { padding: 6px 8px; font-size: 13px; }
}