/* ════════════════════════════════════════════════
   M75 軍階天梯 — 沿用主站／個人頁面 HUD 配色與字體
   ════════════════════════════════════════════════ */
:root {
  --hud-amber:   #f5a623;
  --hud-red:     #e8132c;
  --hud-green:   #39ff8e;
  --hud-blue:    #00cfff;
  --dark-void:   #04060a;
  --panel-dark:  #080d14;
  --panel-mid:   #0d1a26;
  --glass:       rgba(0,207,255,0.06);
  --glass-border:rgba(0,207,255,0.2);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans TC', sans-serif;
  background: var(--dark-void);
  color: #c8d8e8;
  line-height: 1.8;
  overflow-x: hidden;
}
::selection { background: var(--hud-blue); color: #000; }
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(0,207,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,207,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ─── NAVBAR（與藝廊／個人頁面一致）─── */
.blog-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  background: rgba(4,6,10,0.88); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}
.blog-nav-logo {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: #fff;
  font-family: 'Orbitron', sans-serif; font-weight: 900;
  letter-spacing: 0.08em; font-size: 1.05rem;
}
.blog-nav-logo img { width: 38px; height: 38px; }
.blog-nav ul {
  display: flex; align-items: center; gap: clamp(0.6rem, 2vw, 2rem);
  list-style: none; margin: 0; padding: 0; flex-wrap: wrap;
  font-family: 'Rajdhani', sans-serif; font-weight: 600;
  font-size: 1rem; letter-spacing: 0.05em;
}
.blog-nav a { color: #c8d8e8; text-decoration: none; transition: color 0.2s; }
.blog-nav a:hover, .blog-nav a.is-current { color: var(--hud-blue); }
.blog-nav-join {
  padding: 0.35rem 1rem; border: 1px solid var(--hud-amber);
  color: var(--hud-amber) !important;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.blog-nav-join:hover { background: var(--hud-amber); color: #000 !important; }
.nav-account { display: flex; align-items: center; }
.nav-login-btn {
  display: inline-flex; align-items: center;
  font-family: 'Rajdhani', sans-serif; font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  color: var(--hud-blue); border: 1px solid var(--glass-border); border-radius: 999px;
  padding: 0.3rem 1rem; transition: background 0.2s, color 0.2s;
}
.nav-login-btn:hover { background: var(--glass); color: #fff; }
.nav-avatar-link { display: inline-flex; }
.nav-login-btn[hidden], .nav-avatar-link[hidden] { display: none; }
.nav-avatar-img {
  width: 30px; height: 30px; border-radius: 50%; object-fit: cover;
  border: 1px solid var(--glass-border);
}
.rk-lang-switcher {
  background: transparent; border: 1px solid var(--glass-border); color: #c8d8e8;
  padding: 4px 8px; border-radius: 4px; font-family: 'Rajdhani', sans-serif;
  font-weight: 500; font-size: 0.92rem; cursor: pointer; outline: none;
}
.rk-lang-switcher option { background: var(--panel-dark); color: #c8d8e8; }

/* ─── 按鈕 ─── */
.g-btn {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 0.98rem;
  letter-spacing: 0.04em; cursor: pointer; padding: 0.5rem 1.15rem;
  border: 1px solid var(--glass-border); background: var(--glass);
  color: #dbe8f4; transition: all 0.2s;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}
.g-btn:hover { border-color: var(--hud-blue); color: #fff; background: rgba(0,207,255,0.14); }
.g-btn-login { border-color: #5865F2; color: #b9c0ff; }
.g-btn-login:hover { background: #5865F2; color: #fff; }

/* ─── 版面 ─── */
.rk-main {
  position: relative; z-index: 2;
  max-width: 880px; margin: 0 auto;
  padding: clamp(2.2rem, 5vw, 4rem) clamp(1rem, 3vw, 2rem) 5rem;
}
.rk-header { margin-bottom: 1.6rem; text-align: center; }
.rk-kicker {
  display: block; font-family: 'Orbitron', sans-serif; font-size: 0.75rem;
  letter-spacing: 0.3em; color: var(--hud-blue); margin-bottom: 0.7rem;
}
.rk-header h1 {
  font-family: 'Orbitron', sans-serif; font-weight: 900;
  font-size: clamp(2rem, 6vw, 3rem); color: #fff; margin: 0 0 0.6rem;
  text-shadow: 0 0 30px rgba(0,207,255,0.35);
}
.rk-header p { margin: 0 auto; max-width: 46ch; color: #8ea3b8; }

/* ─── 加成規則卡 ─── */
.rk-rates {
  display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center;
  margin: 2rem 0 0.6rem;
}
.rk-rate {
  display: flex; align-items: center; gap: 0.8rem;
  border: 1px solid var(--glass-border); background: var(--panel-dark);
  padding: 0.8rem 1.3rem; min-width: 190px;
}
.rk-rate-icon { font-size: 1.3rem; line-height: 1; }
.rk-rate-icon-air { color: var(--hud-blue); }
.rk-rate-icon-ground { color: var(--hud-green); }
.rk-rate-label {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 0.95rem; color: #dbe8f4;
}
.rk-rate-desc { font-size: 0.82rem; color: #6f8296; }
.rk-bonus-note {
  text-align: center; font-size: 0.82rem; color: #6f8296; font-style: italic;
  max-width: 52ch; margin: 0.8rem auto 0;
}

/* ─── 你目前的軍階 ─── */
.rk-you, .rk-you-cta {
  margin: 2.4rem 0; padding: clamp(1.4rem, 4vw, 2rem);
  border: 1px solid var(--hud-amber); background: linear-gradient(135deg, rgba(245,166,35,0.08), var(--panel-dark));
  box-shadow: 0 0 30px rgba(245,166,35,0.12);
}
.rk-you-cta { text-align: center; border-color: var(--glass-border); background: var(--panel-dark); box-shadow: none; }
.rk-you-cta p { margin: 0 0 1.1rem; color: #8ea3b8; }
.rk-you-eyebrow {
  font-family: 'Orbitron', sans-serif; font-size: 0.72rem; letter-spacing: 0.25em;
  color: var(--hud-amber); margin-bottom: 0.5rem;
}
.rk-you-name {
  font-family: 'Orbitron', sans-serif; font-weight: 900; color: #fff;
  font-size: clamp(1.5rem, 5vw, 2.1rem); margin: 0 0 0.7rem;
}
.rk-you-bar {
  height: 10px; background: rgba(0,0,0,0.5); border: 1px solid var(--glass-border);
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}
.rk-you-bar span {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--hud-blue), var(--hud-amber));
  box-shadow: 0 0 10px rgba(245,166,35,0.6); transition: width 0.8s ease;
}
.rk-you-sub { margin: 0.6rem 0 0; font-size: 0.88rem; color: #8ea3b8; }

/* ─── 軍階天梯 ─── */
.rk-ladder {
  list-style: none; margin: 2.4rem 0 0; padding: 0.5rem 0 0.5rem 2.4rem;
  position: relative;
}
.rk-ladder::before {
  content: ''; position: absolute; left: 0.72rem; top: 0.4rem; bottom: 0.4rem; width: 2px;
  background: linear-gradient(to bottom, var(--hud-amber), var(--hud-blue));
  opacity: 0.45;
}
.rk-row {
  position: relative; margin-bottom: 0.55rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.7rem 1.15rem; border: 1px solid var(--glass-border); background: var(--panel-dark);
  transition: border-color 0.2s, background 0.2s;
}
.rk-row:hover { border-color: rgba(0,207,255,0.4); }
.rk-row::after {
  content: ''; position: absolute; left: -1.92rem; top: 50%; transform: translateY(-50%);
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--dark-void); border: 2px solid var(--hud-blue);
}
.rk-row.rk-group-b { background: rgba(0,207,255,0.025); }
.rk-row.rk-general { border-color: rgba(245,166,35,0.35); }
.rk-row.rk-general::after { border-color: var(--hud-amber); width: 11px; height: 11px; left: -1.98rem; }
.rk-row.rk-cadet::after { border-color: #6f8296; }

.rk-row.is-you {
  border-color: var(--hud-amber); background: rgba(245,166,35,0.08);
  box-shadow: 0 0 20px rgba(245,166,35,0.3);
}
.rk-row.is-you::after {
  border-color: var(--hud-amber); background: var(--hud-amber);
  animation: rk-pulse 1.6s ease-in-out infinite;
}
@keyframes rk-pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(245,166,35,0.7); }
  50%      { box-shadow: 0 0 16px rgba(245,166,35,0.95); }
}

.rk-row-left { display: flex; align-items: center; gap: 1rem; min-width: 0; }
.rk-insignia { display: inline-flex; align-items: center; gap: 3px; min-width: 44px; flex-shrink: 0; }
.rk-insignia-bar {
  display: inline-block; width: 6px; height: 18px; background: var(--hud-blue); border-radius: 1px;
}
.rk-general .rk-insignia { color: var(--hud-amber); font-size: 1rem; letter-spacing: 1px; }
.rk-insignia-dot {
  width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid #6f8296; display: inline-block;
}
.rk-row-name {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 1.02rem;
  color: #dbe8f4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.rk-general .rk-row-name { color: var(--hud-amber); }
.rk-row-tier {
  font-family: 'Rajdhani', sans-serif; font-size: 0.78rem; color: #556677; flex-shrink: 0;
}
.rk-row-threshold {
  font-family: 'Rajdhani', sans-serif; font-size: 0.88rem; color: #6f8296; white-space: nowrap;
}
.rk-row-threshold b { color: #dbe8f4; font-weight: 700; }

.rk-back {
  display: block; text-align: center; margin-top: 2.4rem;
  font-family: 'Rajdhani', sans-serif; font-weight: 600; color: var(--hud-blue); text-decoration: none;
}
.rk-back:hover { color: #fff; }

[hidden] { display: none !important; }

@media (max-width: 640px) {
  .rk-ladder { padding-left: 1.9rem; }
  .rk-ladder::before { left: 0.5rem; }
  .rk-row::after { left: -1.55rem; }
  .rk-row.rk-general::after { left: -1.6rem; }
  .rk-row-tier { display: none; }
}

/* ─── FOOTER（與各頁一致）─── */
.blog-footer {
  position: relative; z-index: 2; text-align: center;
  padding: 2.5rem 1rem; border-top: 1px solid var(--glass-border);
  color: #6f8296; font-size: 0.85rem;
}
.blog-footer span { color: var(--hud-blue); }