@charset "utf-8";
/* ==========================================================================
   中国168福彩 - 基础样式层 (base.css)
   包含：设计变量 / 重置 / 排版 / 通用原子类 / 按钮 / 徽标 / 动画
   ========================================================================== */

/* ------------------------------ 1. 设计变量 ------------------------------ */
:root {
  /* 主色：168 品牌红 + 幸运金 */
  --c-primary: #d81e2c;
  --c-primary-dark: #a8121e;
  --c-primary-light: #ff4d5e;
  --c-gold: #e8b447;
  --c-gold-dark: #b8862a;
  --c-gold-light: #ffd981;

  /* 辅助色 */
  --c-blue: #1b56d6;
  --c-blue-dark: #123a94;
  --c-cyan: #14b8c4;
  --c-green: #0f9d58;
  --c-orange: #f2711c;

  /* 中性色 */
  --c-ink: #10151f;
  --c-ink-2: #1b2333;
  --c-ink-3: #2a3448;
  --c-text: #242c3a;
  --c-text-2: #4d5866;
  --c-text-3: #7b8794;
  --c-line: #e3e7ee;
  --c-line-2: #eef1f6;
  --c-bg: #f5f7fb;
  --c-bg-2: #eef2f8;
  --c-white: #ffffff;

  /* 深色面板（首页/竞猜列表使用） */
  --c-dark-bg: #0c1220;
  --c-dark-bg-2: #131c30;
  --c-dark-line: rgba(255, 255, 255, .10);
  --c-dark-text: #e8edf6;
  --c-dark-text-2: #a4b0c4;

  /* 字体 */
  --font-sans: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
  --font-num: "DIN Alternate", "Bebas Neue", Impact, "Arial Black", var(--font-sans);

  /* 字号 */
  --fs-12: 12px;
  --fs-13: 13px;
  --fs-14: 14px;
  --fs-15: 15px;
  --fs-16: 16px;
  --fs-18: 18px;
  --fs-20: 20px;
  --fs-24: 24px;
  --fs-28: 28px;
  --fs-32: 32px;
  --fs-40: 40px;
  --fs-48: 48px;

  /* 间距 */
  --sp-4: 4px;
  --sp-8: 8px;
  --sp-12: 12px;
  --sp-16: 16px;
  --sp-20: 20px;
  --sp-24: 24px;
  --sp-32: 32px;
  --sp-40: 40px;
  --sp-56: 56px;
  --sp-72: 72px;

  /* 圆角 */
  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-pill: 999px;

  /* 阴影 */
  --sh-1: 0 2px 8px rgba(16, 21, 31, .06);
  --sh-2: 0 8px 24px rgba(16, 21, 31, .10);
  --sh-3: 0 18px 48px rgba(16, 21, 31, .16);
  --sh-gold: 0 10px 30px rgba(232, 180, 71, .28);

  /* 布局 */
  --wrap: 1220px;
  --wrap-wide: 1400px;
  --header-h: 74px;

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .28s;
}

/* ------------------------------ 2. 重置 ------------------------------ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 110px; }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-dark { background: var(--c-dark-bg); color: var(--c-dark-text); }

h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.35; color: var(--c-ink); }

a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--c-primary); }

img { max-width: 100%; height: auto; display: block; border: 0; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; outline: none; }
button { cursor: pointer; border: 0; background: none; }
table { border-collapse: collapse; width: 100%; }
em, i { font-style: normal; }
strong, b { font-weight: 700; }

/* 无障碍：仅屏幕阅读器可见 */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* 跳转到主内容（SEO/无障碍友好） */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  padding: 10px 18px; background: var(--c-primary); color: #fff; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ------------------------------ 3. 布局容器 ------------------------------ */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap-wide { width: 100%; max-width: var(--wrap-wide); margin: 0 auto; padding: 0 20px; }

.row { display: flex; }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.row-center { display: flex; align-items: center; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-20 { gap: 20px; } .gap-24 { gap: 24px; }
.mt-8 { margin-top: 8px; } .mt-12 { margin-top: 12px; } .mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-40 { margin-top: 40px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.text-c { text-align: center; } .text-r { text-align: right; }
.hide { display: none !important; }

/* 栅格 */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

/* 主内容 + 侧栏布局 */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 336px; gap: 32px; align-items: start; }
.layout-left { display: grid; grid-template-columns: 336px minmax(0, 1fr); gap: 32px; align-items: start; }

/* ------------------------------ 4. 排版工具 ------------------------------ */
.sec { padding: 64px 0; }
.sec-sm { padding: 40px 0; }
.sec-lg { padding: 84px 0; }
.sec-white { background: var(--c-white); }
.sec-gray { background: var(--c-bg); }
.sec-soft { background: linear-gradient(180deg, #f7f9fd 0%, #eef2f8 100%); }
.sec-dark { background: var(--c-dark-bg); color: var(--c-dark-text); }
.sec-dark h2, .sec-dark h3, .sec-dark h4 { color: #fff; }

/* 区块标题 */
.sec-head { margin-bottom: 34px; }
.sec-head.is-center { text-align: center; }
/* 区块小标签（可独立使用，也可置于 .sec-head 内） */
.sec-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-12); letter-spacing: 2px; text-transform: uppercase;
  color: var(--c-primary); font-weight: 700; margin-bottom: 10px;
}
.sec-head .sec-label { margin-bottom: 10px; }
.sec-label::before {
  content: ""; width: 22px; height: 2px; background: linear-gradient(90deg, var(--c-primary), var(--c-gold));
}
.sec-head.is-center .sec-label::after {
  content: ""; width: 22px; height: 2px; background: linear-gradient(90deg, var(--c-gold), var(--c-primary));
}
.sec-head h2 {
  font-size: var(--fs-32); letter-spacing: -.5px;
}
.sec-head h2 .hl { color: var(--c-primary); }
.sec-head .sec-sub {
  margin-top: 10px; color: var(--c-text-3); font-size: var(--fs-15); max-width: 760px;
}
.sec-head.is-center .sec-sub { margin-left: auto; margin-right: auto; }
.sec-dark .sec-head .sec-sub { color: var(--c-dark-text-2); }

/* 标题 + 右侧更多 */
.sec-head-flex {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; margin-bottom: 30px; border-bottom: 1px solid var(--c-line); padding-bottom: 16px;
}
.sec-head-flex h2 { font-size: var(--fs-24); position: relative; padding-left: 16px; }
.sec-head-flex h2::before {
  content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 5px; height: 22px; border-radius: 3px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-gold));
}
.more-link { font-size: var(--fs-13); color: var(--c-text-3); white-space: nowrap; }
.more-link:hover { color: var(--c-primary); }

/* 文本色 */
.t-primary { color: var(--c-primary); }
.t-gold { color: var(--c-gold); }
.t-blue { color: var(--c-blue); }
.t-green { color: var(--c-green); }
.t-orange { color: var(--c-orange); }
.t-muted { color: var(--c-text-3); }
.t-num { font-family: var(--font-num); letter-spacing: .5px; }

/* ------------------------------ 5. 按钮 ------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 26px; border-radius: var(--r-pill);
  font-size: var(--fs-15); font-weight: 700; white-space: nowrap;
  border: 1px solid transparent; transition: all var(--dur) var(--ease);
}
.btn-primary { background: linear-gradient(135deg, var(--c-primary), var(--c-primary-dark)); color: #fff; box-shadow: 0 8px 20px rgba(216, 30, 44, .25); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(216, 30, 44, .34); }
.btn-gold { background: linear-gradient(135deg, var(--c-gold), var(--c-gold-dark)); color: #3a2a05; box-shadow: var(--sh-gold); }
.btn-gold:hover { color: #3a2a05; transform: translateY(-2px); }
.btn-ghost { border-color: var(--c-line); color: var(--c-text-2); background: #fff; }
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary); }
.btn-ghost-light { border-color: rgba(255, 255, 255, .3); color: #fff; }
.btn-ghost-light:hover { border-color: var(--c-gold); color: var(--c-gold); }
.btn-sm { height: 34px; padding: 0 16px; font-size: var(--fs-13); }
.btn-lg { height: 52px; padding: 0 36px; font-size: var(--fs-16); }
.btn-block { width: 100%; }
.btn-line { border: 1px dashed var(--c-line); }

/* ------------------------------ 6. 徽标 / 标签 ------------------------------ */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  height: 24px; padding: 0 10px; border-radius: var(--r-xs);
  font-size: var(--fs-12); font-weight: 700; line-height: 1;
  background: var(--c-line-2); color: var(--c-text-2);
}
.tag-red { background: rgba(216, 30, 44, .1); color: var(--c-primary); }
.tag-gold { background: rgba(232, 180, 71, .16); color: var(--c-gold-dark); }
.tag-blue { background: rgba(27, 86, 214, .1); color: var(--c-blue); }
.tag-green { background: rgba(15, 157, 88, .12); color: var(--c-green); }
.tag-orange { background: rgba(242, 113, 28, .12); color: var(--c-orange); }
.tag-solid-red { background: var(--c-primary); color: #fff; }
.tag-solid-gold { background: var(--c-gold); color: #3a2a05; }

.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-green); display: inline-block; }
.dot-red { background: var(--c-primary); }
.dot-gold { background: var(--c-gold); }
.dot-blink { animation: blink 1.4s infinite; }

/* 数字球（开奖号） */
.ball {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 50%;
  font-family: var(--font-num); font-size: var(--fs-18); font-weight: 700;
  background: linear-gradient(160deg, #333f56, #1b2438);
  color: #fff; box-shadow: inset 0 -2px 6px rgba(0, 0, 0, .35), 0 2px 6px rgba(0, 0, 0, .18);
}
.ball-red { background: linear-gradient(160deg, #ff5a68, #c0121f); }
.ball-gold { background: linear-gradient(160deg, #ffd981, #c9922a); color: #4a3406; }
.ball-blue { background: linear-gradient(160deg, #4b83ff, #133a99); }
.ball-green { background: linear-gradient(160deg, #35c281, #0b7c44); }
.ball-sm { width: 30px; height: 30px; font-size: var(--fs-14); }
.ball-lg { width: 48px; height: 48px; font-size: var(--fs-24); }

/* ------------------------------ 7. 卡片通用 ------------------------------ */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-md);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); border-color: #d7dde8; }
.card-flat:hover { transform: none; }
.card-dark { background: var(--c-dark-bg-2); border-color: var(--c-dark-line); color: var(--c-dark-text); }
.card-dark .card-title { color: #fff; }

.card-media { position: relative; overflow: hidden; border-radius: var(--r-md) var(--r-md) 0 0; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 20px; }
.card-title { font-size: var(--fs-18); line-height: 1.45; margin-bottom: 10px; }
.card-desc { color: var(--c-text-2); font-size: var(--fs-14); }
.card-meta { display: flex; align-items: center; gap: 14px; font-size: var(--fs-12); color: var(--c-text-3); }

/* 悬浮在图片上的角标 */
.media-badge {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  height: 24px; padding: 0 10px; border-radius: var(--r-xs);
  background: rgba(216, 30, 44, .92); color: #fff;
  font-size: var(--fs-12); font-weight: 700; display: inline-flex; align-items: center;
}
.media-badge.gold { background: rgba(232, 180, 71, .95); color: #3a2a05; }
.media-badge.dark { background: rgba(12, 18, 32, .82); }

/* 图片遮罩渐变 */
.shade::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(8, 12, 22, 0) 35%, rgba(8, 12, 22, .82) 100%);
}

/* ------------------------------ 8. 分隔 / 装饰 ------------------------------ */
.divider { height: 1px; background: var(--c-line); border: 0; margin: 32px 0; }
.ribbon {
  display: inline-block; padding: 3px 10px; font-size: var(--fs-12); font-weight: 700;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-dark)); color: #fff;
  border-radius: var(--r-xs) var(--r-xs) var(--r-xs) 0;
}
.underline-hl {
  background: linear-gradient(180deg, transparent 62%, rgba(232, 180, 71, .55) 62%);
  padding: 0 2px;
}

/* 进度条（用于热度/奖池占比） */
.bar { height: 8px; border-radius: var(--r-pill); background: var(--c-line-2); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: var(--r-pill); background: linear-gradient(90deg, var(--c-primary), var(--c-gold)); }
.bar-blue > i { background: linear-gradient(90deg, var(--c-blue), var(--c-cyan)); }
.bar-green > i { background: linear-gradient(90deg, var(--c-green), #57d99a); }

/* ------------------------------ 9. 动画 ------------------------------ */
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes shine { 0% { background-position: -220% 0; } 100% { background-position: 220% 0; } }
@keyframes spin { to { transform: rotate(360deg); } }

.anim-up { animation: fadeUp .6s var(--ease) both; }
.anim-float { animation: floatY 4s ease-in-out infinite; }
.shine-text {
  background: linear-gradient(100deg, #ffe6a8 20%, #fff 40%, #ffd981 60%, #ffe6a8 80%);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  animation: shine 4.5s linear infinite;
}

/* 滚动入场（由 main.js 添加 is-in） */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}