/* ============ 设计令牌 ============ */
:root {
  --bg: #ffffff;          /* 白底 */
  --bg-2: #fdf6f8;        /* 极淡粉面（次级区块 / 内嵌容器） */
  --bg-3: #fbeef2;        /* 略深粉（hover / 浮层） */
  --ink: #211a1e;         /* 暖近黑 · 主文本 */
  --text-2: #6e6068;      /* 次级文本 */
  --text-3: #9c8f95;      /* 弱文本 */
  --line: rgba(0,0,0,.07);
  --line-2: rgba(0,0,0,.13);
  --primary: #E11D48;     /* 玫瑰红 · 主色 */
  --primary-bright: #F43F5E;
  --primary-soft: rgba(225,29,72,.09);
  --primary-deep: #9D174D;/* 深玫瑰 · VIP / 高级 */
  --gold: #B8862F;        /* 中性古铜 · 联赛标签 / 平局 / 警示点 */
  --gold-soft: rgba(184,134,47,.12);
  --win: #E11D48;         /* 兼容旧引用 = 主色（命中 / 正向） */
  --win-soft: rgba(225,29,72,.09);
  --danger: #C2410C;      /* 免责声明警示（暖橙） */
  --danger-soft: rgba(194,65,12,.08);
  --loss: #6f6470;        /* 黑榜 / 未命中 */
  --loss-soft: rgba(111,100,112,.12);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1160px;
  --grad-hero: radial-gradient(1200px 600px at 80% -10%, rgba(225,29,72,.16), transparent 60%),
               radial-gradient(900px 500px at -10% 20%, rgba(157,23,77,.10), transparent 55%);
  --shadow: 0 18px 50px rgba(31,24,32,.10);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ============ 基础 ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.2; font-weight: 800; letter-spacing: -.01em; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px; cursor: pointer;
  border: 1px solid transparent; border-radius: 999px;
  padding: 12px 22px; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease;
  white-space: nowrap;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-bright)); color: #fff; box-shadow: 0 8px 22px rgba(225,29,72,.28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(225,29,72,.4); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--bg-2); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ============ 顶部导航 ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 9px; }
.brand-mark { display: inline-flex; }
.brand-name { font-size: 21px; font-weight: 900; letter-spacing: -.02em; }
.brand-666 { color: var(--win); }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative; padding: 9px 14px; font-size: 15px; color: var(--text-2); border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--ink); background: var(--bg-2); }
.nav-link.is-active { color: var(--win); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; align-items: center; justify-content: center; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.nav-toggle span { width: 18px; height: 2px; background: var(--ink); border-radius: 2px; transition: .25s; }

/* ============ Hero ============ */
.hero { position: relative; padding: 84px 0 92px; background: var(--grad-hero); overflow: hidden; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5; pointer-events: none; }
.hero-orb--green { width: 360px; height: 360px; background: rgba(225,29,72,.20); top: -80px; right: -60px; }
.hero-orb--gold { width: 300px; height: 300px; background: rgba(157,23,77,.14); bottom: -120px; left: -40px; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .14em; color: var(--primary); text-transform: uppercase; padding: 6px 14px; border: 1px solid rgba(225,29,72,.35); border-radius: 999px; background: var(--primary-soft); }
.hero h1 { font-size: clamp(34px, 5vw, 56px); margin: 20px 0 18px; }
.hero-sub { font-size: clamp(15px, 1.6vw, 18px); color: var(--text-2); max-width: 520px; }
.hero-sub strong { color: var(--primary); }
.hero-stats { display: flex; gap: 34px; margin: 30px 0 32px; }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat strong { font-size: 30px; font-weight: 900; color: var(--ink); }
.hero-stat span { font-size: 13px; color: var(--text-3); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* 今日精选卡 */
.hero-feature {
  background: #fff;
  border: 1px solid var(--line-2); border-radius: 22px; padding: 22px;
  box-shadow: var(--shadow);
}
.feature-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.feature-tag { font-size: 12px; font-weight: 700; color: var(--primary); padding: 5px 11px; background: var(--primary-soft); border-radius: 999px; }
.feature-league { font-size: 12.5px; color: var(--text-3); }
.feature-match { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; margin-bottom: 20px; }
.team { display: flex; flex-direction: column; align-items: center; gap: 9px; }
.team--away { text-align: center; }
.team-badge {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px;
  font-size: 13px; font-weight: 800; color: #fff; background: var(--c, #444); box-shadow: 0 6px 16px rgba(31,24,32,.18);
}
.team-name { font-size: 14px; font-weight: 700; }
.feature-center { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.vs { font-size: 14px; font-weight: 800; color: var(--text-3); }
.kickoff { font-size: 12px; color: var(--win); font-weight: 600; }
.feature-prob { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.prob-row { display: grid; grid-template-columns: 38px 1fr 38px; align-items: center; gap: 10px; }
.prob-label { font-size: 12.5px; color: var(--text-2); }
.prob-bar { height: 8px; background: rgba(0,0,0,.06); border-radius: 999px; overflow: hidden; }
.prob-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-bright)); }
.prob-val { font-size: 12.5px; font-weight: 700; text-align: right; color: var(--ink); }
.feature-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 16px; border-top: 1px dashed var(--line-2); }
.pick { font-size: 14px; font-weight: 700; color: var(--ink); }
.conf { font-size: 13px; color: var(--text-2); }
.conf strong { color: var(--gold); }

/* ============ 通用 section ============ */
.section { padding: 80px 0; }
.section--alt { background: linear-gradient(180deg, var(--bg), var(--bg-2)); }
.section-head { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-kicker { font-size: 12px; font-weight: 700; letter-spacing: .18em; color: var(--gold); text-transform: uppercase; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 10px 0 12px; }
.section-desc { color: var(--text-2); font-size: 15.5px; }

/* ============ 网格 ============ */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease; }
.card:hover { transform: translateY(-4px); border-color: rgba(225,29,72,.35); box-shadow: var(--shadow); }

/* ============ 今日预测 Tabs ============ */
.tabs { display: flex; gap: 6px; padding: 5px; margin: 0 auto 30px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; width: fit-content; }
.tab { padding: 9px 28px; font-size: 15px; font-weight: 700; color: var(--text-2); background: transparent; border: none; border-radius: 999px; cursor: pointer; transition: .2s; }
.tab.is-active { color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-bright)); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ============ 赛事卡 ============ */
.match-card { display: flex; flex-direction: column; gap: 14px; }
.match-top { display: flex; justify-content: space-between; align-items: center; }
.league { font-size: 12.5px; font-weight: 700; color: var(--gold); padding: 3px 10px; background: var(--gold-soft); border-radius: 6px; }
.match-time { font-size: 12.5px; color: var(--text-3); }
.match-teams { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; }
.m-team { font-size: 16px; font-weight: 800; }
.m-team:last-child { text-align: right; }
.m-vs { font-size: 13px; font-weight: 700; color: var(--text-3); }
.match-prob { display: grid; grid-template-columns: 38px 1fr 38px; align-items: center; gap: 10px; }
.mp-label { font-size: 12px; color: var(--text-2); }
.mp-bar { height: 7px; background: rgba(0,0,0,.06); border-radius: 999px; overflow: hidden; }
.mp-bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--primary), var(--primary-bright)); }
.mp-val { font-size: 12.5px; font-weight: 700; text-align: right; }
.match-foot { display: flex; justify-content: space-between; align-items: center; padding-top: 13px; border-top: 1px dashed var(--line-2); }
.pick { font-size: 13.5px; font-weight: 700; }
.pick--win { color: var(--win); }
.pick--draw { color: var(--gold); }
.conf-badge { font-size: 12px; color: var(--text-2); padding: 4px 10px; background: var(--bg-2); border-radius: 999px; }

/* ============ 数据模型 ============ */
.flow { display: flex; align-items: stretch; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.flow-step { flex: 1; min-width: 220px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.flow-num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--win-soft); color: var(--win); font-weight: 800; margin-bottom: 12px; }
.flow-step h3 { font-size: 18px; margin-bottom: 8px; }
.flow-step p { font-size: 14px; color: var(--text-2); }
.flow-arrow { display: grid; place-items: center; font-size: 24px; color: var(--text-3); align-self: center; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.chip { font-size: 13.5px; color: var(--text-2); padding: 8px 15px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; }
.coverage-title { text-align: center; font-size: 20px; margin-bottom: 20px; }
.coverage-grid { gap: 16px; }
.cov-item { display: flex; align-items: center; gap: 12px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 16px; font-size: 14px; color: var(--text-2); }
.cov-ico { font-size: 20px; }
.cov-ico--cn { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 5px; background: var(--primary-soft); color: var(--primary); font-size: 12px; font-weight: 800; }

/* ============ 专家情报 ============ */
.expert-card { display: flex; flex-direction: column; gap: 14px; }
.expert-top { display: flex; align-items: center; gap: 12px; }
.expert-avatar { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; font-weight: 800; color: #fff; background: var(--c, var(--win)); }
.expert-meta { display: flex; flex-direction: column; flex: 1; }
.expert-meta strong { font-size: 15.5px; }
.expert-meta span { font-size: 12.5px; color: var(--text-3); }
.expert-streak { font-size: 12px; font-weight: 700; color: var(--win); padding: 4px 10px; background: var(--win-soft); border-radius: 999px; white-space: nowrap; }
.expert-bio { font-size: 14px; color: var(--text-2); flex: 1; }
.expert-stat { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-3); padding-top: 12px; border-top: 1px dashed var(--line-2); }
.expert-stat strong { color: var(--ink); }
.intel-feed { margin-top: 30px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.intel-title { font-size: 17px; margin-bottom: 14px; }
.intel-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.intel-list li { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-2); }
.intel-time { font-size: 12px; color: var(--text-3); white-space: nowrap; }
.intel-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.intel-dot--ok { background: var(--win); }
.intel-dot--warn { background: var(--gold); }
.intel-dot--info { background: #6c8cff; }

/* ============ 历史战绩 ============ */
.record-chart { display: flex; align-items: flex-end; justify-content: center; gap: 22px; height: 240px; margin-bottom: 44px; padding: 0 10px; }
.bar-item { display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.bar { width: 46px; background: linear-gradient(180deg, var(--primary), var(--primary-bright)); border-radius: 8px 8px 0 0; transition: height .6s ease; }
.bar-val { font-size: 13px; font-weight: 700; color: var(--ink); }
.bar-month { font-size: 12.5px; color: var(--text-3); }
.record-list { display: flex; flex-direction: column; gap: 10px; max-width: 760px; margin: 0 auto; }
.record-row { display: grid; grid-template-columns: 28px 1fr auto auto auto; align-items: center; gap: 14px; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 13px 18px; font-size: 14px; }
.rec-result { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; font-weight: 800; font-size: 13px; }
.record-row--win .rec-result { background: var(--win-soft); color: var(--win); }
.record-row--loss .rec-result { background: var(--loss-soft); color: var(--loss); }
.rec-match { color: var(--ink); font-weight: 600; }
.rec-pick { color: var(--text-2); }
.rec-conf { color: var(--text-3); font-size: 12.5px; }
.rec-outcome { font-weight: 700; }
.record-row--win .rec-outcome { color: var(--win); }
.record-row--loss .rec-outcome { color: var(--loss); }

/* ============ 会员 ============ */
.vip-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 360px)); gap: 24px; justify-content: center; }
.vip-card { position: relative; display: flex; flex-direction: column; gap: 14px; }
.vip-card--hot { border-color: rgba(157,23,77,.45); box-shadow: 0 18px 50px rgba(157,23,77,.12); }
.vip-badge { position: absolute; top: -12px; right: 22px; font-size: 12px; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--primary-deep), var(--primary)); padding: 5px 14px; border-radius: 999px; }
.vip-name { font-size: 20px; }
.vip-price { font-size: 30px; font-weight: 900; }
.vip-price span { font-size: 14px; font-weight: 500; color: var(--text-3); }
.vip-feats { list-style: none; display: flex; flex-direction: column; gap: 11px; margin: 6px 0 12px; flex: 1; }
.vip-feats li { font-size: 14px; color: var(--text-3); padding-left: 26px; position: relative; }
.vip-feats li::before { content: "✕"; position: absolute; left: 0; color: var(--text-3); }
.vip-feats li.is-on { color: var(--text-2); }
.vip-feats li.is-on::before { content: "✓"; color: var(--win); font-weight: 800; }

/* ============ 关于 / 免责 ============ */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.about-text h2 { font-size: clamp(24px, 3vw, 34px); margin: 10px 0 16px; }
.about-text p { color: var(--text-2); font-size: 15.5px; margin-bottom: 14px; }
.about-text strong { color: var(--ink); }
.disclaimer { background: rgba(225,29,72,.05); border: 1px solid rgba(225,29,72,.22); border-radius: var(--radius); padding: 26px; }
.disclaimer h3 { font-size: 18px; color: var(--primary); margin-bottom: 14px; }
.disclaimer p { font-size: 14px; color: var(--text-2); margin-bottom: 12px; }
.disclaimer strong { color: var(--ink); }

/* ============ 悬浮 CTA ============ */
.float-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-bright));
  padding: 12px 20px; border-radius: 999px; box-shadow: 0 10px 28px rgba(225,29,72,.4);
  transition: transform .25s ease;
}
.float-cta:hover { transform: translateY(-3px); }

/* ============ 页脚 ============ */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--line); padding: 56px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; }
.footer-brand p { font-size: 14px; color: var(--text-3); margin-top: 12px; max-width: 280px; }
.footer-col h4 { font-size: 14px; color: var(--text-2); margin-bottom: 14px; }
.footer-col a, .footer-col span { display: block; font-size: 14px; color: var(--text-3); margin-bottom: 10px; transition: color .2s; }
.footer-col a:hover { color: var(--win); }
.footer-bottom { max-width: var(--maxw); margin: 40px auto 0; padding: 22px 22px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 12.5px; color: var(--text-3); }
.footer-note { color: var(--text-3); }

/* ============ 滚动显现 ============ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; transition-delay: calc(var(--d, 0) * 90ms); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } html { scroll-behavior: auto; } }

/* ============ 响应式 ============ */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-feature { max-width: 460px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav { position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; gap: 0; background: rgba(255,255,255,.98); border-bottom: 1px solid var(--line); padding: 8px 0; display: none; }
  .nav.is-open { display: flex; }
  .nav-link { padding: 13px 22px; font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
  .section { padding: 60px 0; }
  .hero { padding: 60px 0 70px; }
  .hero-stats { gap: 24px; }
  .hero-stat strong { font-size: 24px; }
  .grid-3 { grid-template-columns: 1fr; }
  .flow { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
  .record-row { grid-template-columns: 24px 1fr auto; row-gap: 6px; }
  .rec-conf, .rec-pick { grid-column: 2 / -1; font-size: 12.5px; }
  .vip-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; }
  .record-chart { gap: 12px; height: 200px; }
  .bar { width: 34px; }
}