/* ═══════════════════════════════════════════════════════
   地球Online — Character / 登录注册 Stylesheet
   基于 diqiuol 设计系统
   ═══════════════════════════════════════════════════════ */

/* ── tokens ─────────────────────────────────────────── */
:root{
  --bg-0:#08080a;
  --bg-1:#0d0d10;
  --bg-2:#13131a;
  --bg-3:#1c1c25;
  --bg-4:#23232c;
  --line:rgba(232,230,225,.07);
  --line-2:rgba(232,230,225,.14);
  --line-3:rgba(232,230,225,.28);

  --ink-0:#e8e6e1;
  --ink-1:#a8a39a;
  --ink-2:#6c6760;
  --ink-3:#3e3a35;

  --rust:#9b3a2b;
  --rust-2:#b54836;
  --rust-3:#c95a44;
  --rust-deep:#7a2a1f;
  --rust-soft:rgba(155,58,43,.14);
  --rust-edge:rgba(155,58,43,.4);

  --rev:#e23725;
  --rev-2:#c12a1a;
  --rev-deep:#7a1a10;
  --rev-soft:rgba(226,55,37,.14);
  --bone:#ece7da;
  --bone-2:#d8d2c2;
  --mustard:#e0b833;
  --ink-rev:#0a0807;

  --amber:#c5832d;
  --amber-soft:rgba(197,131,45,.14);
  --green:#5a9b6a;
  --green-soft:rgba(90,155,106,.14);
  --blue:#4f6b8a;

  --mono:'JetBrains Mono','IBM Plex Mono','Cascadia Code',Consolas,Menlo,monospace;
  --sans:'Space Grotesk','Inter','Noto Sans SC',system-ui,sans-serif;
  --cn:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --cn-serif:'Noto Serif SC','Songti SC',serif;

  --pad-x: clamp(20px, 4vw, 56px);
  --maxw: 1480px;
}

/* ── reset ──────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;color-scheme:dark}
html,body{
  background:var(--bg-0);color:var(--ink-0);
  font-family:var(--sans);font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
body{overflow-x:hidden;font-feature-settings:"ss01","ss02","cv11";min-height:100vh}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:var(--rust);color:#fff}

.cn{font-family:var(--cn)}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.02em}
.up{text-transform:uppercase;letter-spacing:.18em}
.muted{color:var(--ink-1)}
.faint{color:var(--ink-2)}
.dim{color:var(--ink-3)}
.tabnum{font-variant-numeric:tabular-nums}

/* ── 全站底纹 ───────────────────────────────────────── */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(to right, rgba(232,230,225,.022) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232,230,225,.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
}

/* ── 顶部状态条 ─────────────────────────────────────── */
.strip{
  position:sticky;top:0;z-index:60;
  background:#000;border-bottom:1px solid var(--line);
  height:30px;
  display:flex;align-items:center;
  padding:0 var(--pad-x);
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--ink-1);
  white-space:nowrap;overflow:hidden;
}
.strip > * + *{margin-left:24px}
.strip .sep{color:var(--ink-3)}
.strip .ver{color:#e6573d}
.strip .num{color:var(--ink-0);font-variant-numeric:tabular-nums}
.strip .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--green);box-shadow:0 0 0 0 rgba(90,155,106,.5);
  animation:pulse 2.4s ease-in-out infinite;
  vertical-align:middle;margin-right:6px;transform:translateY(-1px);
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(90,155,106,.5)}50%{box-shadow:0 0 0 6px rgba(90,155,106,0)}}
.strip .spacer{flex:1 1 auto;margin-left:24px;border-bottom:1px dashed var(--line);height:1px}
.strip .logout{
  font-family:var(--mono);font-size:11px;color:var(--ink-1);
  padding:4px 10px;border:1px solid var(--line);
  letter-spacing:.14em;text-transform:uppercase;cursor:pointer;
  transition:all .25s;
}
.strip .logout:hover{color:var(--ink-0);border-color:var(--line-3);background:rgba(232,230,225,.04)}
.strip .nick-label{font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.strip .nick-label a{color:inherit;}
.strip .nick-label a:hover{color:#fff}

/* ── 顶部导航 ───────────────────────────────────────── */
.nav{
  position:sticky;top:30px;z-index:55;
  background:rgba(8,8,10,.78);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px var(--pad-x);max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-logo-link{
  width:46px;height:46px;display:grid;place-items:center;flex:0 0 auto;
  transition:transform .2s, filter .2s;
}
.brand-logo-link:hover{transform:translateY(-1px);filter:saturate(1.08)}
.brand-logo{
  width:46px;height:46px;object-fit:contain;
  filter:drop-shadow(0 0 8px rgba(201,90,68,.14));
}
.brand-logo-placeholder{
  width:46px;height:46px;display:grid;place-items:center;
  font-family:var(--mono);font-size:18px;font-weight:700;
  color:var(--ink-0);background:rgba(155,58,43,.16);
  border:1px solid var(--rust-edge);border-radius:2px;
}
.brand-name{
  font-family:var(--cn-serif);font-weight:600;letter-spacing:.02em;font-size:16px;
  display:inline-flex;align-items:baseline;gap:.18em;
  color:var(--ink-0);
  transition:color .2s;
}
.brand-name:hover{color:var(--rust-3)}
.brand-name .en{font-family:var(--sans);font-weight:600;letter-spacing:.04em;font-size:15px}
.nav-links{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px}
.nav-links a{
  position:relative;padding:8px 14px;color:var(--ink-1);
  letter-spacing:.1em;text-transform:uppercase;transition:color .25s;
}
.nav-links a:hover{color:var(--ink-0)}
.nav-links a.active{color:var(--ink-0)}
.nav-links a.active::before,
.nav-links a:hover::before{transform:scaleX(1)}
.nav-links a::before{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:1px;
  background:var(--rust);transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.nav-burger{
  display:none;width:36px;height:36px;border:1px solid var(--line);
  align-items:center;justify-content:center;cursor:pointer;color:var(--ink-1);
}

/* ── 通用按钮 ───────────────────────────────────────── */
.btn{
  font-family:var(--mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;
  padding:16px 26px;border:1px solid var(--ink-0);color:var(--ink-0);
  background:transparent;cursor:pointer;position:relative;overflow:hidden;
  transition:color .25s;display:inline-flex;align-items:center;gap:10px;
}
.btn::before{
  content:"";position:absolute;inset:0;background:var(--ink-0);transform:translateX(-101%);transition:transform .35s ease;z-index:-1;
}
.btn:hover{color:var(--bg-0)}
.btn:hover::before{transform:translateX(0)}
.btn.primary{border-color:var(--rust);color:#fff;background:var(--rust)}
.btn.primary::before{background:var(--ink-0)}
.btn.primary:hover{color:var(--rust)}
.btn.ghost{border-color:var(--line-3);color:var(--ink-1)}
.btn.ghost:hover{color:var(--ink-0);border-color:var(--ink-0)}
.btn.ghost::before{background:var(--ink-0)}
.btn.sm{padding:11px 18px;font-size:11px}
.btn .arr{width:14px;height:1px;background:currentColor;position:relative}
.btn .arr::before,.btn .arr::after{content:"";position:absolute;right:0;width:6px;height:1px;background:currentColor}
.btn .arr::before{top:-2px;transform:rotate(35deg);transform-origin:right}
.btn .arr::after{top:2px;transform:rotate(-35deg);transform-origin:right}
.btn:disabled{opacity:.42;cursor:not-allowed;filter:saturate(.5)}

/* ── 区段通用 ───────────────────────────────────────── */
.section{padding: clamp(42px, 1vw, 76px) var(--pad-x);position:relative;z-index:2;border-bottom:1px solid var(--line)}
.section.tight{padding: clamp(30px, 3.2vw, 52px) var(--pad-x)}
.section-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.section-eyebrow{
  display:flex;align-items:center;gap:12px;
  font-family:var(--mono);font-size:10px;color:var(--ink-2);letter-spacing:.2em;
  margin-bottom:16px;
}
.section-eyebrow::before{content:"";width:18px;height:1px;background:var(--mustard)}
.section-title{font-family:var(--cn);font-weight:700;font-size:clamp(20px,2.2vw,28px);line-height:1.3}
.section-title .accent{color:var(--rust)}

/* ═══════════════════════════════════════════════════════
   SUBPAGE HERO
   ═══════════════════════════════════════════════════════ */
.subpage-hero{
  padding: clamp(28px,3vw,44px) var(--pad-x) clamp(20px,2.5vw,32px);
  border-bottom:1px solid var(--line);
  position:relative;
  background: radial-gradient(ellipse 50% 60% at 80% 50%, rgba(155,58,43,.06), transparent 60%);
}
.subpage-hero-inner{max-width:var(--maxw);margin:0 auto;width:100%}
.subpage-crumbs{
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.16em;text-transform:uppercase;
  margin-bottom:14px;display:flex;gap:10px;flex-wrap:wrap;
}
.subpage-crumbs a{color:var(--ink-1);transition:color .2s}
.subpage-crumbs a:hover{color:var(--ink-0)}
.subpage-crumbs .sep{color:var(--ink-3)}
.subpage-crumbs .now{color:var(--rust-3)}
.subpage-h{
  display:grid;grid-template-columns: auto 1fr;gap:24px;align-items:center;
}
.subpage-h h1{
  display:flex;align-items:baseline;flex-wrap:wrap;gap:0 14px;
  font-family:var(--cn);font-weight:700;font-size:clamp(24px,3vw,36px);line-height:1.15;
}
.subpage-h h1 .zh{font-family:var(--cn-serif);font-weight:500}
.subpage-h h1 .accent{color:var(--rust-3)}
.subpage-h .stat{
  display:flex;flex-direction:column;gap:6px;justify-content:flex-end;text-align:right;
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.06em;
}
.subpage-h .stat .v{color:var(--ink-0)}
.subpage-h .stat .v.r{color:var(--rust-3)}
.subpage-h .stat .v.g{color:var(--green)}

/* ═══════════════════════════════════════════════════════
   CHAR FORM — 登录 / 注册面板
   ═══════════════════════════════════════════════════════ */
.char-form-section{
  background:
    radial-gradient(ellipse 48% 60% at 20% 20%, rgba(90,155,106,.08), transparent 68%),
    linear-gradient(180deg, rgba(155,58,43,.05), transparent 45%);
}

/* ── 模式切换 Tab ── */
.char-tabs-bar{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  max-width:640px;margin:0 auto 0;
}
.char-tab{
  padding:14px 20px;text-align:center;
  font-family:var(--mono);font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-2);cursor:pointer;
  border:1px solid var(--line-2);border-bottom:none;
  background:transparent;transition:all .25s;
}
.char-tab:first-child{border-right:none}
.char-tab.active{
  color:var(--ink-0);border-color:var(--line-3);
  background:rgba(255,255,255,.035);
}
.char-tab:hover:not(.active){color:var(--ink-1);background:rgba(255,255,255,.015)}

/* ── 表单卡片 ── */
.char-card{
  max-width:640px;margin:0 auto;
  border:1px solid var(--line-2);border-top:none;
  background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
  padding:clamp(28px,4vw,48px);
  box-shadow:0 24px 80px rgba(0,0,0,.32);
}
.char-card[hidden]{display:none}

/* ── 控制台行 ── */
.char-console{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-1);margin-bottom:26px;padding-bottom:14px;border-bottom:1px solid var(--line);
}
.char-console .dot{
  width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 5px rgba(90,155,106,.12);
}
.char-console .dot.warning{background:var(--amber);box-shadow:0 0 0 5px rgba(197,131,45,.12)}

/* ── 表单头 ── */
.char-summary{
  display:flex;align-items:end;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-bottom:24px;
}
.char-summary span{
  display:block;font-family:var(--mono);font-size:10px;color:var(--rust-3);letter-spacing:.18em;text-transform:uppercase;margin-bottom:6px;
}
.char-summary strong{
  font-family:var(--cn);font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--ink-0);line-height:1.1;
}
.char-summary .hint-chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.char-summary .hint-chips em{
  font-style:normal;border:1px solid var(--line-2);padding:6px 10px;
  font-family:var(--cn);font-size:12px;color:var(--ink-1);background:rgba(255,255,255,.018);
}

/* ── 表单网格 ── */
.char-form-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;
}
.char-form-grid .full{grid-column:1/-1}
.char-form-field{
  display:flex;flex-direction:column;gap:8px;
}
.char-form-field > span{
  font-family:var(--mono);font-size:11px;color:var(--ink-1);
  letter-spacing:.12em;text-transform:uppercase;
}
.char-input{
  width:100%;border:1px solid var(--line-2);
  background:rgba(0,0,0,.36);
  color:var(--ink-0);padding:12px 13px;
  border-radius:2px;
  font:500 14px var(--cn);
  outline:none;transition:border-color .25s, box-shadow .25s;
}
.char-input:focus{
  border-color:var(--rust-3);
  box-shadow:0 0 0 3px rgba(204,0,0,.12);
}
.char-input::placeholder{color:var(--ink-2);opacity:.7}

/* ── 政策勾选 ── */
.char-policy-check{
  margin-top:24px;display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;
  padding:16px;border:1px dashed var(--line-2);background:rgba(255,255,255,.02);
  cursor:pointer;
}
.char-policy-check input{margin-top:3px;accent-color:var(--rust)}
.char-policy-check span{
  font-family:var(--cn);font-size:12px;line-height:1.65;color:var(--ink-1);
}

/* ── 反馈行 ── */
.char-feedback{
  margin-top:16px;min-height:22px;font-family:var(--cn);font-size:13px;color:var(--ink-2);line-height:1.7;
}
.char-feedback.ok{color:var(--green)}
.char-feedback.err{color:var(--rust-3)}

/* ── 按钮区 ── */
.char-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.char-actions .spacer{flex:1}

/* ── FOOTER ─────────────────────────────────────────── */
footer{background:#040406;padding: clamp(50px, 5vw, 80px) var(--pad-x) 30px;color:var(--ink-1)}
.foot-inner{max-width:var(--maxw);margin:0 auto}
.foot-bot{
  margin-top:28px;padding-top:20px;
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--mono);font-size:11px;color:var(--ink-2);letter-spacing:.06em;
}
.foot-bot .legal{font-family:var(--cn);font-size:12px;color:var(--ink-2);max-width:60ch;line-height:1.7}
.foot-bot .stamp{display:inline-flex;align-items:center;gap:8px}
.foot-bot .stamp .dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2.4s ease-in-out infinite}

/* ── 响应式 ── */
@media (max-width:760px){
  .char-form-grid{grid-template-columns:1fr}
  .subpage-h{grid-template-columns:1fr;gap:12px}
  .subpage-h .stat{justify-content:flex-start;text-align:left}
}
@media (max-width:640px){
  .nav-links{display:none}
  .nav-burger{display:flex}
}