/* ============ JumpX 落地页样式 ============ */
:root {
  --c1: #00f0ff;
  --c2: #7b2ff7;
  --c3: #00ff9d;
  --text: #e8f6ff;
  --dim: rgba(180, 220, 255, .55);
  --glass: rgba(10, 16, 34, .55);
  --glass-border: rgba(90, 200, 255, .22);
  --bg1: #05070f;
  --bg2: #0a1122;
  --accent-glow: rgba(0, 240, 255, .35);
  --danger: #ff4d6d;
}

/* 主题：极光 */
body.theme-aurora {
  --c1: #00f0ff; --c2: #7b2ff7; --c3: #00ff9d;
  --accent-glow: rgba(0, 240, 255, .35);
  --bg1: #05070f; --bg2: #0a1122;
}
/* 主题：黑客帝国 */
body.theme-matrix {
  --c1: #00ff62; --c2: #00c853; --c3: #9eff00;
  --accent-glow: rgba(0, 255, 98, .28);
  --bg1: #020703; --bg2: #061007;
}
/* 主题：赛博红 */
body.theme-cyber {
  --c1: #ff2d75; --c2: #ff9a2d; --c3: #ff00a5;
  --accent-glow: rgba(255, 45, 117, .32);
  --bg1: #0d030a; --bg2: #1a0612;
}
/* 主题：深空蓝 */
body.theme-deepblue {
  --c1: #3aa0ff; --c2: #0057ff; --c3: #00e0ff;
  --accent-glow: rgba(58, 160, 255, .3);
  --bg1: #030711; --bg2: #081226;
}
/* 主题：暗夜金 */
body.theme-nightgold {
  --c1: #ffd166; --c2: #ff8c00; --c3: #ffe29a;
  --accent-glow: rgba(255, 209, 102, .28);
  --bg1: #0b0906; --bg2: #171008;
}

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

html, body { height: 100%; }

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 50% -10%, color-mix(in srgb, var(--c2) 16%, transparent), transparent 60%),
    radial-gradient(900px 700px at 85% 110%, color-mix(in srgb, var(--c1) 12%, transparent), transparent 55%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
}

/* 背景画布 */
#fx { position: fixed; inset: 0; z-index: 0; }

/* 网格 */
.grid-overlay {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(120, 200, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 200, 255, .045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, black 30%, transparent 78%);
}

/* 舞台 */
.stage {
  position: relative; z-index: 2;
  height: 100%; width: 100%;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 26px;
  padding: 20px;
}

/* ============ 雷达 ============ */
.radar-wrap { position: relative; width: 148px; height: 148px; }

.radar {
  position: absolute; inset: 0; border-radius: 50%;
  overflow: hidden;
  background: radial-gradient(circle, color-mix(in srgb, var(--c1) 12%, transparent), transparent 70%);
  border: 1px solid color-mix(in srgb, var(--c1) 40%, transparent);
  box-shadow:
    0 0 40px color-mix(in srgb, var(--c1) 30%, transparent),
    inset 0 0 30px color-mix(in srgb, var(--c1) 18%, transparent);
}
.radar-sweep {
  position: absolute; inset: -2%;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    color-mix(in srgb, var(--c1) 55%, transparent) 0deg,
    transparent 70deg);
  animation: sweep 3.2s linear infinite;
}
@keyframes sweep { to { transform: rotate(360deg); } }

.radar-ring { position: absolute; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--c1) 35%, transparent); }
.radar-ring.r1 { inset: 16%; }
.radar-ring.r2 { inset: 32%; }
.radar-ring.r3 { inset: 48%; }

.radar-cross {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(color-mix(in srgb, var(--c1) 28%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--c1) 28%, transparent) 1px, transparent 1px);
  background-position: 50% 50%; background-repeat: no-repeat;
  background-size: 100% 100%;
}

.radar-blink { position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--c3); box-shadow: 0 0 8px var(--c3); animation: blink 1.6s ease-in-out infinite; }
.radar-blink.b1 { top: 24%; left: 62%; }
.radar-blink.b2 { top: 60%; left: 32%; animation-delay: .4s; }
.radar-blink.b3 { top: 40%; left: 74%; animation-delay: .9s; }
@keyframes blink { 0%,100% { opacity: .25; transform: scale(.8);} 50% { opacity: 1; transform: scale(1.4);} }

.radar-core {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
}
.brand-text {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900; font-size: 13px; letter-spacing: 1px;
  background: linear-gradient(135deg, var(--c1), var(--c3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 22px var(--accent-glow);
}

/* 扩散脉冲 */
.pulse { position: absolute; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--c1) 45%, transparent); animation: pulse 2.4s ease-out infinite; }
.pulse.p1 { inset: 0; }
.pulse.p2 { inset: 0; animation-delay: .8s; }
.pulse.p3 { inset: 0; animation-delay: 1.6s; }
@keyframes pulse {
  0% { transform: scale(1); opacity: .8; }
  100% { transform: scale(2.15); opacity: 0; }
}

/* ============ 面板 ============ */
.panel {
  position: relative;
  width: min(680px, 100%);
  padding: 30px 28px 18px;
  border-radius: 22px;
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5), 0 0 80px color-mix(in srgb, var(--accent-glow) 30%, transparent);
  text-align: center;
}
.panel-glow {
  position: absolute; top: -1px; left: 15%; right: 15%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--c1), var(--c3), transparent);
  filter: blur(.3px);
}

.tip-title {
  font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
  font-size: clamp(18px, 3.4vw, 24px);
  font-weight: 700; letter-spacing: .5px;
  background: linear-gradient(135deg, #fff, var(--c1));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  min-height: 34px;
}
.tip-sub { margin-top: 8px; font-size: 13px; color: var(--dim); font-weight: 300; min-height: 20px; }

/* ============ 链接列表 ============ */
.link-list { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }

.link-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(255, 255, 255, .07);
  transition: all .25s ease;
  text-align: left;
}
.link-row.testing { border-color: color-mix(in srgb, var(--c1) 40%, transparent); }
.link-row.ok {
  border-color: color-mix(in srgb, var(--c3) 45%, transparent);
  background: color-mix(in srgb, var(--c3) 7%, transparent);
}
.link-row.fail { border-color: color-mix(in srgb, var(--danger) 40%, transparent); opacity: .6; }
.link-row.chosen {
  border-color: var(--c1);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent-glow) 60%, transparent);
  background: color-mix(in srgb, var(--c1) 9%, transparent);
}

.link-rank {
  font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 13px;
  color: var(--c1); min-width: 22px;
}
.link-name { flex: 1; font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.link-latency {
  display: flex; align-items: center; gap: 6px;
  font-family: 'Orbitron', sans-serif; font-size: 12px;
}
.lat-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--dim); box-shadow: 0 0 6px currentColor; }
.lat-dot.good { background: var(--c3); color: var(--c3); }
.lat-dot.bad  { background: var(--danger); color: var(--danger); }
.lat-val.good { color: var(--c3); }
.lat-val.bad  { color: var(--danger); }

.link-status { font-size: 12px; color: var(--dim); }

/* 测速进度条 */
.row-progress { margin-top: 8px; height: 3px; border-radius: 3px; overflow: hidden; background: rgba(255,255,255,.06); }
.row-progress > span { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, var(--c1), var(--c3)); transition: width .3s; }

/* ============ 按钮 ============ */
.action-area { margin-top: 24px; min-height: 58px; display: flex; flex-direction: column; align-items: center; gap: 10px; }

.btn-jump {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  padding: 13px 34px; border-radius: 999px; border: none; cursor: pointer;
  font-family: 'Noto Sans SC', sans-serif; font-size: 15px; font-weight: 600; letter-spacing: 1px;
  color: #04101a;
  background: linear-gradient(135deg, var(--c1), var(--c3));
  box-shadow: 0 8px 30px var(--accent-glow);
  transition: transform .2s, box-shadow .2s, filter .2s;
}
.btn-jump:disabled { cursor: default; filter: saturate(.4) brightness(.7); }
.btn-jump:not(:disabled):hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 12px 40px var(--accent-glow); }
.btn-jump:not(:disabled):active { transform: scale(.98); }

.btn-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 26px; padding: 0 6px; border-radius: 999px;
  background: rgba(0, 0, 0, .18); font-family: 'Orbitron', sans-serif; font-size: 14px; font-weight: 700;
}
.btn-jump.ready .btn-count { display: none; }
.btn-jump.go { animation: goPulse 1s ease-in-out infinite; }
@keyframes goPulse {
  0%,100% { box-shadow: 0 8px 30px var(--accent-glow); }
  50% { box-shadow: 0 8px 44px var(--accent-glow), 0 0 70px var(--accent-glow); }
}

.manual-hint { display: none; font-size: 12.5px; color: var(--dim); }
.action-area.manual .manual-hint { display: block; }

/* ============ 访问信息 ============ */
.visitor-bar {
  margin-top: 22px; display: flex; justify-content: center; gap: 8px; flex-wrap: wrap;
}
.visitor-item {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  border: 1px solid rgba(255, 255, 255, .08);
  font-size: 12px;
}
.visitor-item .v-label { color: var(--dim); }
.visitor-item .v-value {
  font-family: 'Orbitron', 'Noto Sans SC', sans-serif; font-weight: 600;
  color: var(--c1);
}

.tip-footer { margin-top: 16px; font-size: 11px; color: rgba(170, 200, 240, .35); letter-spacing: 1px; }

/* ============ 错误态 ============ */
.error-box { text-align: center; padding: 26px; }
.error-icon { font-size: 40px; margin-bottom: 12px; filter: drop-shadow(0 0 16px var(--danger)); }
.error-title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.error-sub { font-size: 13px; color: var(--dim); }
.error-back { margin-top: 20px; }

/* 加载中圆环 */
.spinner {
  width: 54px; height: 54px; margin: 0 auto 18px; border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--c1) 20%, transparent);
  border-top-color: var(--c1);
  animation: spin 1s linear infinite;
  filter: drop-shadow(0 0 12px var(--accent-glow));
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 移动端适配 */
@media (max-width: 560px) {
  .radar-wrap { width: 112px; height: 112px; }
  .panel { padding: 22px 16px 14px; border-radius: 18px; }
  .visitor-item { font-size: 11px; padding: 5px 9px; }
  .stage { gap: 18px; }
}