:root {
  --bg: #020403;
  --panel: #050a06;
  --line: #16301a;
  --green: #39ff14;
  --green-dim: #1f8a0c;
  --amber: #ffb000;
  --text: #b9d8b9;
  --muted: #5f7d63;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Courier New", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { background: var(--bg); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  overflow-x: hidden;
  position: relative;
}
/* 网格 + 扫描线 */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(57,255,20,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57,255,20,.035) 1px, transparent 1px);
  background-size: 44px 44px;
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px);
  mix-blend-mode: multiply;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

/* ============ 顶部控制台条 ============ */
.consolenav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.nav-left { display: flex; align-items: center; gap: 10px; }
.nav-logo { width: 30px; height: 30px; filter: drop-shadow(0 0 6px rgba(57,255,20,.6)); }
.nav-name { font-weight: 700; color: var(--green); letter-spacing: 2px; }
.nav-name::before { content: "▮ "; }
.nav-links { display: flex; gap: 18px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 13px; transition: color .15s; }
.nav-links a::before { content: "./"; color: var(--green-dim); }
.nav-links a:hover, .nav-links a.active { color: var(--green); text-shadow: 0 0 8px rgba(57,255,20,.6); }
.lang-switch { display: flex; border: 1px solid var(--line); }
.lang-btn { background: none; border: none; color: var(--muted); padding: 3px 9px; font-size: 11px; cursor: pointer; font-family: var(--mono); }
.lang-btn.active { background: var(--green); color: #021002; font-weight: 700; }

/* ============ 终端窗口 ============ */
.term { border: 1px solid var(--line); background: var(--panel); margin-bottom: 18px; }
.term-bar {
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--line); padding: 8px 14px;
  color: var(--muted); font-size: 12px;
}
.term-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.term-bar .dot.g { background: var(--green); box-shadow: 0 0 6px rgba(57,255,20,.7); }
.term-bar .path { margin-left: 6px; letter-spacing: 1px; }
.term-body { padding: 22px 24px; }

/* ============ hero ============ */
.hero { padding: 56px 0 30px; }
.hero-flex { display: flex; align-items: center; gap: 44px; flex-wrap: wrap; }
.hero-logo { width: 210px; height: 210px; filter: drop-shadow(0 0 26px rgba(57,255,20,.45)); }
.hero-tag { color: var(--green-dim); font-size: 12px; letter-spacing: 3px; text-transform: uppercase; }
.hero h1 {
  font-size: 54px; font-weight: 800; color: var(--text); line-height: 1.15; margin: 12px 0;
  text-shadow: 0 0 24px rgba(57,255,20,.25);
}
.hero h1 .g { color: var(--green); }
.hero-sub { font-size: 17px; color: var(--green); }
.hero-sub::before { content: "> "; color: var(--muted); }
.hero-desc { max-width: 560px; margin-top: 18px; color: var(--muted); font-size: 13.5px; line-height: 1.9; }
.cursor { display: inline-block; width: 9px; height: 17px; background: var(--green); vertical-align: -2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ============ 状态读数 ============ */
.readouts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); margin: 26px 0 8px; }
.ro { padding: 16px 18px; border-right: 1px solid var(--line); background: var(--panel); }
.ro:last-child { border-right: none; }
.ro .k { color: var(--muted); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; }
.ro .v { color: var(--green); font-size: 24px; font-weight: 700; margin-top: 8px; text-shadow: 0 0 12px rgba(57,255,20,.35); }

/* ============ 区块 ============ */
section { padding: 34px 0; }
.sec-title { font-size: 20px; font-weight: 700; margin-bottom: 18px; color: var(--text); }
.sec-title::before { content: "$ p0 --"; color: var(--green-dim); font-weight: 400; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); padding: 20px 22px; transition: border-color .15s; }
.card:hover { border-color: var(--green-dim); }
.card h3 { color: var(--green); font-size: 14px; margin-bottom: 9px; }
.card p { color: var(--muted); font-size: 13px; line-height: 1.85; }

/* ============ 表格 ============ */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--green); font-size: 12px; letter-spacing: 1px; font-weight: 600; }
th::after { content: " :"; color: var(--green-dim); }
td { color: var(--text); }
.mono { font-family: var(--mono); }
.note { color: var(--muted); font-size: 12.5px; margin-top: 14px; line-height: 1.8; }

/* ============ 门禁横幅 ============ */
.gate {
  border: 1px solid var(--green-dim); padding: 30px; text-align: center;
  background: repeating-linear-gradient(45deg, rgba(57,255,20,.04) 0 12px, transparent 12px 24px);
}
.gate h2 { color: var(--green); font-size: 20px; margin-bottom: 10px; }
.gate h2::before { content: "[ACCESS] "; color: var(--amber); }
.gate p { color: var(--muted); font-size: 13px; line-height: 1.8; max-width: 640px; margin: 0 auto; }

/* ============ 按钮 ============ */
.btn {
  display: inline-block; background: var(--green); color: #021002; font-weight: 700;
  border: none; padding: 11px 26px; font-size: 14px; cursor: pointer; text-decoration: none;
  font-family: var(--mono); transition: box-shadow .15s; border-radius: 0;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}
.btn:hover { box-shadow: 0 0 22px rgba(57,255,20,.55); }
.btn.ghost { background: none; border: 1px solid var(--green-dim); color: var(--green); clip-path: none; }
.btn:disabled { opacity: .35; cursor: not-allowed; box-shadow: none; }

/* ============ 页脚 ============ */
footer { border-top: 1px solid var(--line); padding: 24px 0 36px; margin-top: 26px; }
.foot-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; align-items: center; }
.foot-links { display: flex; gap: 16px; }
.foot-links a { color: var(--muted); font-size: 12px; text-decoration: none; }
.foot-links a:hover { color: var(--green); }
.foot-note { color: var(--muted); font-size: 11.5px; margin-top: 14px; }

/* ============ 代码 ============ */
pre { background: #020a03; border: 1px solid var(--line); padding: 16px 18px; overflow-x: auto; font-size: 12.5px; line-height: 1.75; color: #9fce9f; }
code { font-family: var(--mono); color: var(--green); }

/* ============ 进度条 ============ */
.pbar { background: var(--bg); border: 1px solid var(--line); height: 20px; overflow: hidden; position: relative; }
.pbar .fill { height: 100%; background: repeating-linear-gradient(90deg, var(--green-dim) 0 6px, var(--green) 6px 12px); transition: width .6s; }
.pbar .txt { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 11px; color: #eaffea; text-shadow: 0 1px 2px #000; }

/* ============ 表单 ============ */
.field { margin-bottom: 13px; }
.field label { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; letter-spacing: 1px; }
.field input, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; font-size: 13px; outline: none; font-family: var(--mono); border-radius: 0;
}
.field input:focus, .field textarea:focus { border-color: var(--green-dim); }

@media (max-width: 760px) {
  .readouts { grid-template-columns: repeat(2, 1fr); }
  .ro { border-bottom: 1px solid var(--line); padding: 12px 14px; }
  .ro .v { font-size: 18px; }
  .cards { grid-template-columns: 1fr; }
  /* 导航：上下两行，链接可横向滑动 */
  .consolenav { flex-direction: column; align-items: stretch; gap: 10px; padding: 10px 0; }
  .nav-left { width: 100%; justify-content: flex-start; }
  .nav-links { gap: 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 3px; }
  .nav-links a { font-size: 12px; white-space: nowrap; }
  .lang-switch { flex: none; }
  /* hero：logo 与标题并排小尺寸，不再堆叠在上方 */
  .hero { padding: 28px 0 16px; }
  .hero-flex { flex-wrap: nowrap; gap: 18px; align-items: center; }
  .hero-logo { width: 82px; height: 82px; flex: none; }
  .hero h1 { font-size: 25px; line-height: 1.25; }
  .hero-sub { font-size: 13px; }
  .hero-desc { font-size: 12.5px; }
  section { padding: 24px 0; }
  .term-body { padding: 16px; }
  th, td { padding: 8px 10px; font-size: 12px; }
}