/* ============================================================
   bestk · 聚合平台 — 首页样式
   浅色模式 / 涨红跌绿 / 目录索引式信息层级 / 克制动效
   ============================================================ */

:root{
  /* 基础色板（规格书 §6） */
  --bg:          #f1f5f9;   /* slate-100 页面背景 */
  --surface:     #ffffff;   /* 卡片白 */
  --border:      #e5e7eb;   /* neutral-200 */
  --text:        #0f172a;   /* slate-900 */
  --text-2:      #64748b;   /* slate-500 */
  --up:          #e11d48;   /* 涨 · rose-600 */
  --up-soft:     #fff1f2;
  --down:        #059669;   /* 跌 · emerald-600 */
  --down-soft:   #ecfdf5;

  /* 语义 */
  --primary:     #0f172a;            /* 主按钮：深色块 */
  --primary-hi:  #1e293b;
  --radius:      14px;
  --radius-sm:   10px;
  --shadow-card: 0 1px 2px rgba(15,23,42,.05);
  --shadow-lift: 0 12px 32px -12px rgba(15,23,42,.18);

  --font-sans: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --maxw: 1180px;
}

*{ box-sizing: border-box; margin: 0; padding: 0; }
html{ scroll-behavior: smooth; }
body{
  font: 16px/1.7 var(--font-sans);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,svg{ display:block; }
a{ color: inherit; text-decoration: none; }
:focus-visible{ outline: 2px solid var(--up); outline-offset: 2px; border-radius: 4px; }
button{ cursor: pointer; font: inherit; background: none; border: 0; color: inherit; }

.container{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
h1,h2,h3{ line-height: 1.25; text-wrap: balance; letter-spacing: -0.01em; }

/* ---------- 按钮 ---------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 20px;
  border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent;
  transition: background-color .18s ease-out, color .18s ease-out,
              border-color .18s ease-out, transform .18s ease-out;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background: var(--primary); color: #fff; }
.btn-primary:hover{ background: var(--primary-hi); }
.btn-outline{ border-color: var(--text); color: var(--text); background: transparent; }
.btn-outline:hover{ background: var(--text); color: #fff; }
.btn-ghost{ color: var(--text-2); }
.btn-ghost:hover{ color: var(--text); background: rgba(15,23,42,.06); }
.btn-lg{ min-height: 52px; padding: 0 28px; font-size: 16px; border-radius: 12px; }

/* ---------- 顶部导航 ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(241,245,249,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease-out;
}
.site-header.scrolled{ border-bottom-color: var(--border); }
.nav-bar{ display: flex; align-items: center; gap: 28px; height: 64px; }
.brand{ display: inline-flex; align-items: baseline; gap: 8px; min-height: 44px; align-items: center; }
.brand-logo{ color: var(--up); align-self: center; }
.brand-name{ font-weight: 800; font-size: 20px; letter-spacing: -0.02em; }
.brand-sub{ font-size: 12px; color: var(--text-2); letter-spacing: .12em; }
.nav-links{ display: flex; gap: 4px; margin-left: 12px; }
.nav-link{
  position: relative; padding: 10px 14px; font-size: 15px; color: var(--text-2);
  transition: color .18s ease-out;
}
.nav-link::after{
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 6px;
  height: 1.5px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease-out;
}
.nav-link:hover{ color: var(--text); }
.nav-link:hover::after{ transform: scaleX(1); }
.nav-actions{ margin-left: auto; display: flex; gap: 8px; align-items: center; }
.nav-actions .btn{ min-height: 40px; padding: 0 16px; font-size: 14px; }
.nav-user{ font-size: 14px; font-weight: 500; color: var(--text-2); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-toggle{ display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.nav-toggle:hover{ background: rgba(15,23,42,.06); }
.mobile-menu{
  display: none; flex-direction: column; gap: 2px;
  padding: 8px 24px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.mobile-link{ padding: 13px 4px; font-size: 16px; border-bottom: 1px solid var(--border); }
.mobile-link:hover{ color: var(--up); }
.mobile-menu-actions{ display: flex; gap: 10px; padding-top: 14px; }
.mobile-menu-actions .btn{ flex: 1; }

/* ---------- 通用 Section ---------- */
.section{ padding: 96px 0; }
.section-alt{
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.kicker{
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--up); margin-bottom: 14px;
}
.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; }
.section-sub{ margin-top: 12px; color: var(--text-2); font-size: 15px; }

/* ---------- HERO ---------- */
.hero{
  padding: 88px 0 0;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(225,29,72,.06), transparent 60%),
    radial-gradient(700px 380px at 8% 110%, rgba(5,150,105,.05), transparent 60%),
    var(--bg);
}
.hero-grid{
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 56px; align-items: center;
}
.hero-copy h1{ font-size: clamp(40px, 5.6vw, 64px); font-weight: 900; letter-spacing: -0.03em; }
.hero-sub{ margin-top: 20px; font-size: 17px; color: var(--text-2); max-width: 34em; }
.hero-cta{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-stats{
  display: flex; gap: 40px; margin-top: 44px;
  padding-top: 24px; border-top: 1px solid var(--border);
}
.hero-stats dt{ font-size: 12.5px; color: var(--text-2); letter-spacing: .06em; }
.hero-stats dd{
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 22px; font-weight: 700; margin-top: 2px;
}

/* Hero 玄学日历日签卡（数据驱动，当前 mock 占位） */
.mystic-wrap{ justify-self: center; width: min(100%, 420px); }
.mystic-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lift);
  padding: 22px 26px 22px;
  transform: rotate(.6deg);
}
.mystic-card::before{
  content: ""; position: absolute; top: 0; left: 24px; right: 24px;
  height: 3px; border-radius: 0 0 3px 3px; background: var(--up);
}
.mc-head{
  display: flex; align-items: baseline; justify-content: space-between;
  padding-bottom: 12px; border-bottom: 1px dashed var(--border);
}
.mc-title{ font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.mc-tag{
  font-family: var(--font-mono); font-size: 11px; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px;
}
.mc-date{
  margin-top: 18px; text-align: center;
  font-size: 13px; letter-spacing: .3em; color: var(--text-2);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
}
.mc-word{
  margin-top: 10px; text-align: center;
  font-family: "Kaiti SC", KaiTi, STKaiti, "楷体", serif;
  font-size: 56px; font-weight: 700; letter-spacing: .18em;
  line-height: 1.2; text-indent: .18em; /* 视觉居中补偿字距 */
}
.mc-level-row{ margin-top: 10px; text-align: center; }
.mc-level{
  display: inline-block; min-width: 34px; padding: 3px 12px;
  border-radius: 8px; font-size: 14px; font-weight: 700;
  transform: rotate(-2deg);
}
.mc-level.lv-ji   { background: var(--up); color: #fff; }
.mc-level.lv-xiong{ background: var(--down); color: #fff; }
.mc-level.lv-ping { background: #475569; color: #fff; }
.mc-yiji{ list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.mc-yiji li{ display: flex; align-items: center; gap: 12px; font-size: 15px; }
.mc-yiji .badge{
  flex: none; width: 26px; height: 26px; border-radius: 7px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff;
}
.mc-yiji .badge.yi{ background: var(--up); }
.mc-yiji .badge.ji{ background: #0f172a; }
.mc-divider{ margin: 18px 0 14px; border-top: 1px dashed var(--border); }
.mc-tip{
  font-size: 13px; color: var(--text-2); line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.mc-foot{
  margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: flex-end;
}
.mc-more{
  font-size: 13px; color: var(--text-2); white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color .15s ease-out, border-color .15s ease-out;
}
.mc-more:hover{ color: var(--up); border-bottom-color: var(--up); }
.mc-empty{
  padding: 40px 20px; text-align: center; color: var(--text-2); font-size: 13.5px;
}

/* 跑马灯 */
.ticker{
  margin-top: 72px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
}
.ticker-track{
  display: flex; gap: 0; width: max-content;
  padding: 14px 0;
  animation: ticker-scroll 36s linear infinite;
}
.ticker:hover .ticker-track{ animation-play-state: paused; }
.ticker-item{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 0 26px; white-space: nowrap;
  font-size: 14px; color: var(--text-2);
}
.ticker-item .dot{ width: 7px; height: 7px; border-radius: 50%; }
.ticker-item .dot.g{ background: var(--text-2); opacity: .5; }
.ticker-item .dot.u{ background: var(--up); }
.ticker-item .dot.d{ background: var(--down); }
.ticker-item b{ font-weight: 600; color: var(--text); }
@keyframes ticker-scroll{ to{ transform: translateX(-50%); } }

/* ---------- 卖点三卡 ---------- */
.sell-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sell-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease-out, box-shadow .22s ease-out;
}
.sell-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.sell-index{
  position: absolute; top: 22px; right: 24px;
  font-family: var(--font-mono); font-size: 13px; color: var(--text-2); opacity: .65;
}
.sell-icon{ width: 30px; height: 30px; color: var(--up); margin-bottom: 18px; }
.sell-card h3{ font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.sell-card p{ font-size: 14.5px; color: var(--text-2); }

/* ---------- 应用目录（数据驱动） ---------- */
.app-groups{ display: flex; flex-direction: column; gap: 36px; }
.app-group-head{
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 12px; border-bottom: 2px solid var(--text);
  margin-bottom: 0;
}
.app-group-head h3{ font-size: 20px; font-weight: 800; }
.app-group-head .group-note{ font-size: 13px; color: var(--text-2); }
.app-group-head .group-count{
  margin-left: auto; font-family: var(--font-mono); font-size: 13px;
  color: var(--text-2); font-variant-numeric: tabular-nums;
}
.app-list{
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border); border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-card);
}
.app-row{
  display: grid;
  grid-template-columns: 52px 44px minmax(0, 1.1fr) minmax(0, 1.6fr) auto;
  align-items: center; gap: 16px;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  transition: background-color .15s ease-out;
}
.app-list li:first-child{ border-top: 0; }
.app-row:hover{ background: #fafbfd; }
.app-idx{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2);
  font-variant-numeric: tabular-nums; letter-spacing: .04em;
}
.app-icon{
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text); background: var(--bg);
  border: 1px solid var(--border);
}
.app-icon svg{ width: 20px; height: 20px; }
.app-name{ font-size: 15.5px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.app-desc{ font-size: 13.5px; color: var(--text-2); }
.app-meta{ display: flex; align-items: center; gap: 10px; justify-content: flex-end; }
.role-chip{
  font-size: 11.5px; font-weight: 600; letter-spacing: .05em;
  padding: 3px 10px; border-radius: 999px; border: 1px solid var(--border);
  color: var(--text-2); background: var(--bg); white-space: nowrap;
}
.role-chip.r-guest  { color: #0f766e; background: #f0fdfa; border-color: #99f6e4; }
.role-chip.r-user   { color: #1d4ed8; background: #eff6ff; border-color: #bfdbfe; }
.role-chip.r-premium{ color: #b45309; background: #fffbeb; border-color: #fde68a; }
.role-chip.r-star   { color: var(--up); background: var(--up-soft); border-color: #fecdd3; }
.app-price{
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-2);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.app-price b{ color: var(--text); font-weight: 700; }

/* ---------- 会员卡 ---------- */
.member-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.member-card{
  position: relative;
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
  box-shadow: var(--shadow-card);
  transition: transform .22s ease-out, box-shadow .22s ease-out, border-color .22s ease-out;
}
.member-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.member-card.is-hot{ border-color: var(--up); box-shadow: 0 12px 32px -14px rgba(225,29,72,.35); }
.member-lv{
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .18em;
  color: var(--text-2); text-transform: uppercase;
}
.member-name{ font-size: 22px; font-weight: 800; margin-top: 6px; }
.member-desc{ font-size: 13.5px; color: var(--text-2); margin-top: 8px; min-height: 3.4em; }
.member-price{
  margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: 13px; color: var(--text-2);
}
.member-price b{ font-size: 26px; font-weight: 800; color: var(--text); margin-right: 2px; }
.member-perks{ list-style: none; margin-top: 16px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.member-perks li{
  position: relative; padding-left: 20px;
  font-size: 13.5px; color: var(--text-2);
}
.member-perks li::before{
  content: ""; position: absolute; left: 0; top: .52em;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--up); opacity: .85;
}
.member-card .btn{ margin-top: 22px; width: 100%; }
.hot-badge{
  position: absolute; top: -11px; right: 20px;
  background: var(--up); color: #fff;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  padding: 3px 12px; border-radius: 999px;
}
.pricing-note{ margin-top: 26px; font-size: 13px; color: var(--text-2); text-align: center; }

/* ---------- 玩法 ---------- */
.play-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.play-card{
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease-out, box-shadow .2s ease-out;
}
.play-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.play-card svg{ width: 26px; height: 26px; color: var(--down); margin-bottom: 14px; }
.play-card h3{ font-size: 16px; font-weight: 700; }
.play-card p{ font-size: 13px; color: var(--text-2); margin-top: 6px; }

/* ---------- CTA 收尾（浅色面板，与整体一致） ---------- */
.cta-panel{
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  background:
    radial-gradient(520px 260px at 92% 0%, rgba(225,29,72,.07), transparent 60%),
    radial-gradient(420px 240px at 4% 110%, rgba(5,150,105,.06), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 52px 56px;
}
.cta-copy h2{ font-size: clamp(24px, 3vw, 34px); font-weight: 900; }
.cta-copy p{ margin-top: 10px; color: var(--text-2); font-size: 15.5px; }
.cta-panel .hero-cta{ margin-top: 0; flex: none; }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}
.footer-inner{
  display: flex; flex-direction: column; gap: 14px;
  padding-bottom: 36px;
}
.disclaimer{ font-size: 13px; color: var(--text-2); line-height: 1.8; }
.disclaimer strong{ color: var(--text); }
.footer-base{
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 20px; padding-bottom: 20px;
  border-top: 1px solid var(--border);
  font-size: 12.5px; color: var(--text-2);
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
}

/* ---------- 滚动进场 ---------- */
.reveal{ opacity: 0; transform: translateY(18px); }
.reveal.in{
  opacity: 1; transform: none;
  transition: opacity .5s ease-out, transform .5s ease-out;
  transition-delay: var(--d, 0s);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px){
  .hero-grid{ grid-template-columns: 1fr; gap: 44px; }
  .sell-grid{ grid-template-columns: 1fr 1fr; }
  .member-grid{ grid-template-columns: 1fr 1fr; }
  .play-grid{ grid-template-columns: 1fr 1fr; }
  .cta-panel{ flex-direction: column; align-items: flex-start; padding: 40px 32px; }
}
@media (max-width: 760px){
  .section{ padding: 64px 0; }
  .hero{ padding-top: 56px; }
  .nav-links, .nav-actions{ display: none; }
  .nav-toggle{ display: inline-flex; margin-left: auto; }
  .mobile-menu[data-open]{ display: flex; }
  .sell-grid, .member-grid, .play-grid{ grid-template-columns: 1fr; }
  .hero-stats{ gap: 24px; flex-wrap: wrap; }
  .app-row{
    grid-template-columns: 44px minmax(0, 1fr) auto;
    grid-template-areas:
      "icon name meta"
      "icon desc desc";
    row-gap: 6px; padding: 16px 18px;
  }
  .app-idx{ display: none; }
  .app-icon{ grid-area: icon; }
  .app-name{ grid-area: name; }
  .app-desc{ grid-area: desc; }
  .app-meta{ grid-area: meta; flex-direction: column; align-items: flex-end; gap: 4px; }
  .footer-base{ flex-direction: column; gap: 6px; }
  .mystic-card{ transform: none; }
  .mc-word{ font-size: 46px; }
  .mc-foot{ justify-content: center; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal{ opacity: 1; transform: none; }
  .ticker-track{ animation: none; }
}

/* ---------- 弹窗（大吉级「了解详情」） ---------- */
.modal-overlay{
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(2px);
}
.modal-overlay[hidden]{ display: none; }
.modal-card{
  position: relative;
  width: 100%; max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: var(--shadow-lift);
  text-align: center;
}
.modal-close{
  position: absolute; top: 12px; right: 14px;
  width: 32px; height: 32px;
  font-size: 22px; line-height: 1;
  color: var(--text-2);
  border-radius: 8px;
}
.modal-close:hover{ color: var(--text); background: rgba(15,23,42,.06); }
.modal-title{ font-size: 18px; margin-bottom: 14px; }
.modal-body{ font-size: 15px; color: var(--text); margin-bottom: 16px; }
.modal-link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  padding: 10px 26px;
  font-size: 14px; font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
  border-radius: 10px;
  text-decoration: none;
}
.modal-link:hover{ filter: brightness(1.06); }