/* ============================================================
   live_arena · base.css
   电竞·真人·体育·投注·直播 综合娱乐 · 荧光绿 + 警示橙 + 深空蓝
   ============================================================ */

:root {
  --ks-primary: #059669;
  --ks-primary-hover: color-mix(in srgb, #22c55e 85%, #fff);
  --ks-accent: #b91c1c;
  --ks-accent-hover: color-mix(in srgb, #f97316 85%, #fff);
  --ks-cyan: #38bdf8;
  --ks-danger: #ef4444;
  --ks-success: #22c55e;

  --ks-bg: #050b18;
  --ks-bg-2: #0a1426;
  --ks-bg-3: #111e36;
  --ks-bg-soft: #1a2a4a;
  --ks-overlay: rgba(34, 197, 94, .14);

  --ks-border: rgba(255, 255, 255, .06);
  --ks-border-strong: rgba(34, 197, 94, .35);

  --ks-text: #e2e8f0;
  --ks-text-2: #94a3b8;
  --ks-muted: #64748b;

  --ks-shadow-sm: 0 2px 8px rgba(0, 0, 0, .5);
  --ks-shadow: 0 8px 24px rgba(0, 0, 0, .6);
  --ks-shadow-lg: 0 16px 40px rgba(0, 0, 0, .75);

  --ks-radius: 8px;
  --ks-radius-sm: 4px;
  --ks-radius-lg: 14px;
}

* { box-sizing: border-box; }

html, body {
  background: var(--ks-bg);
  color: var(--ks-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.65;
  scroll-behavior: smooth;
}

section[id] { scroll-margin-top: 80px; }

body {
  background-image:
    radial-gradient(ellipse 60% 40% at 80% -10%, rgba(190, 24, 93, .22), transparent 60%),
    radial-gradient(ellipse 40% 30% at -10% 30%, rgba(249, 168, 212, .14), transparent 60%),
    radial-gradient(ellipse 35% 25% at 50% 110%, rgba(249, 168, 212, .08), transparent 60%);
  background-attachment: fixed;
}

a { color: var(--ks-cyan); text-decoration: none; transition: color .15s; }
a:hover { color: var(--ks-accent); }

img { max-width: 100%; height: auto; }

.ks-muted { color: var(--ks-muted) !important; }
.ks-text-2 { color: var(--ks-text-2); }
.ks-text-primary { color: var(--ks-primary) !important; }
.ks-text-accent { color: var(--ks-accent) !important; }

.ks-link { color: var(--ks-cyan); font-weight: 500; }
.ks-link:hover { color: var(--ks-accent); }

/* ===== Buttons ===== */
.btn-ks-primary {
  background: linear-gradient(135deg, var(--ks-primary), var(--ks-cyan));
  color: #fff;
  border: 0;
  font-weight: 700;
  border-radius: 8px;
  padding: 10px 22px;
  letter-spacing: .2px;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 18px rgba(14, 116, 144, .4);
}
.btn-ks-primary:hover, .btn-ks-primary:focus {
  filter: brightness(1.10);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(14, 116, 144, .55);
}

.btn-ks-accent {
  background: linear-gradient(135deg, var(--ks-accent), #fb923c);
  color: #fff;
  border: 0;
  font-weight: 700;
  border-radius: 8px;
  padding: 10px 22px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 6px 18px rgba(234, 88, 12, .4);
  transition: all .2s;
}
.btn-ks-accent:hover { filter: brightness(1.05); color: #fff; transform: translateY(-1px); }

.btn-ks-outline {
  background: transparent;
  color: var(--ks-text);
  border: 1px solid var(--ks-border-strong);
  font-weight: 600;
  border-radius: 8px;
  padding: 10px 20px;
  transition: all .2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-ks-outline:hover {
  background: var(--ks-overlay);
  border-color: var(--ks-cyan);
  color: var(--ks-cyan);
}

.btn-ks-ghost {
  background: var(--ks-bg-3);
  color: var(--ks-text);
  border: 1px solid var(--ks-border);
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 500;
  transition: all .2s;
}
.btn-ks-ghost:hover {
  background: var(--ks-bg-soft);
  border-color: var(--ks-cyan);
  color: var(--ks-cyan);
}

.btn-ks-main { padding: 14px 26px; font-size: 16px; border-radius: 10px; }
.btn-ks-main .ks-btn-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  text-align: left;
}
.btn-ks-main .ks-btn-text strong { font-size: 16px; }
.btn-ks-main .ks-btn-text small { font-weight: 500; font-size: 12px; opacity: .85; margin-top: 2px; }

/* ===== Badges ===== */
.ks-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid var(--ks-border);
  background: var(--ks-bg-3);
  color: var(--ks-text-2);
}
.ks-badge-primary { background: rgba(14, 116, 144, .18); border-color: rgba(14, 116, 144, .4); color: var(--ks-cyan); }
.ks-badge-accent { background: rgba(234, 88, 12, .18); border-color: rgba(234, 88, 12, .4); color: var(--ks-accent); }
.ks-badge-soft { background: var(--ks-bg-3); color: var(--ks-muted); }

/* ===== Section Titles ===== */
.ks-section-title {
  font-size: 30px;
  font-weight: 800;
  color: var(--ks-text);
  letter-spacing: .5px;
  margin: 0 0 6px;
  position: relative;
  display: inline-block;
}
.ks-section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--ks-primary), var(--ks-accent));
}
.ks-section-head { margin-bottom: 28px; }
.ks-section-head.text-center .ks-section-title::after { margin-left: auto; margin-right: auto; }

.ks-section-en {
  display: block;
  font-size: 13px;
  color: var(--ks-accent);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 700;
}

.ks-section { padding: 70px 0; position: relative; }
.ks-section-soft {
  background:
    radial-gradient(circle at 50% 0, rgba(14, 116, 144, .08), transparent 60%),
    var(--ks-bg-2);
  border-top: 1px solid rgba(14, 116, 144, .12);
  border-bottom: 1px solid rgba(14, 116, 144, .12);
}

.ks-card {
  background: var(--ks-bg-3);
  border: 1px solid var(--ks-border);
  border-radius: var(--ks-radius);
  padding: 22px;
  transition: all .2s;
}
.ks-card:hover {
  border-color: var(--ks-border-strong);
  box-shadow: var(--ks-shadow);
}


/* =================================================== */
/* MOBILE ENHANCED · 全局 H5 自适应基础规则             */
/* =================================================== */
/* 通用响应式元素 */
img, svg, video, canvas, iframe { max-width: 100%; height: auto; }
table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
table table { display: table; overflow: visible; }
pre, code { overflow-x: auto; white-space: pre-wrap; word-break: break-word; }

/* 触控友好 */
a, button, input[type="button"], input[type="submit"], .btn { -webkit-tap-highlight-color: transparent; }
input, select, textarea { font-size: 16px; }  /* 防止 iOS 自动缩放 */

/* 平板（≤ 992px）*/
@media (max-width: 991.98px) {
  html, body { font-size: 15px; }
  h1 { font-size: 2rem; line-height: 1.2; }
  h2 { font-size: 1.6rem; }
  h3 { font-size: 1.3rem; }
  .container { padding-left: 16px; padding-right: 16px; }
}

/* 手机（≤ 768px）*/
@media (max-width: 768px) {
  html, body { font-size: 16px; line-height: 1.6; }
  body { -webkit-text-size-adjust: 100%; word-break: break-word; overflow-wrap: break-word; }
  h1 { font-size: 1.75rem; line-height: 1.25; }
  h2 { font-size: 1.4rem; line-height: 1.3; }
  h3 { font-size: 1.15rem; }
  h4, h5, h6 { font-size: 1rem; }
  p { font-size: 1rem; line-height: 1.7; }
  /* 通用容器收紧 padding */
  .container, .container-fluid { padding-left: 16px; padding-right: 16px; max-width: 100%; }
  /* 表格横滚 */
  .table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  /* 按钮满宽或半宽 */
  .btn { min-height: 44px; padding: 10px 18px; font-size: 15px; }
  .btn-block, .btn-full { display: block; width: 100%; }
  /* 表单 */
  .form-control, .form-select { font-size: 16px; padding: 10px 14px; min-height: 44px; }
  /* 卡片 */
  .card { margin-bottom: 14px; border-radius: 12px; }
  .card-body { padding: 18px 16px; }
  /* 列表组 */
  .list-group-item { padding: 12px 14px; font-size: 15px; }
  /* modal */
  .modal-dialog { margin: 16px; }
  .modal-content { border-radius: 14px; }
}

/* 小手机（≤ 480px）进一步收紧 */
@media (max-width: 480px) {
  html, body { font-size: 15px; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  .btn { padding: 10px 14px; font-size: 14px; }
}