/* MUTU777 — 深色仪表台版式（.mu- 前缀，全新样式，跨站零共享）
   版本 20260914 */

:root {
  --mu-bg: #121B24;
  --mu-bg2: #0C131B;
  --mu-panel: #182532;
  --mu-panel2: #1D2C3B;
  --mu-line: #24384A;
  --mu-line2: #2E4658;
  --mu-ac: #4FD964;
  --mu-ac2: #8FE8A0;
  --mu-warn: #F5C244;
  --mu-bad: #F26B5B;
  --mu-txt: #D9E4EE;
  --mu-mut: #8FA6BA;
  --mu-fd: 'Audiowide', 'Trebuchet MS', cursive;
  --mu-fb: 'Readex Pro', 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--mu-fb);
  font-weight: 400;
  background:
    radial-gradient(1100px 500px at 85% -100px, rgba(79, 217, 100, 0.09), transparent 60%),
    linear-gradient(180deg, var(--mu-bg) 0%, var(--mu-bg2) 100%);
  background-color: var(--mu-bg);
  color: var(--mu-txt);
  line-height: 1.75;
  font-size: 16px;
  overflow-wrap: break-word;
  padding-bottom: 96px; /* ruang floating bar */
}

p, li, dd, dt, h1, h2, h3, figcaption { overflow-wrap: break-word; }

a { color: var(--mu-ac2); text-decoration: none; }
a:hover { color: var(--mu-ac); }

h1, h2, h3 { font-family: var(--mu-fd); font-weight: 400; line-height: 1.35; color: #F2F7FB; }
h1 { font-size: clamp(1.55rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.25rem, 3vw, 1.8rem); }
h3 { font-size: clamp(1.02rem, 2.2vw, 1.2rem); }

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

/* ---------- tombol ---------- */

.mu-btn {
  display: inline-block;
  font-family: var(--mu-fd);
  font-size: 0.92rem;
  line-height: 1.25;
  letter-spacing: 0.04em;
  padding: 0.74em 1.5em 0.82em;
  border-radius: 8px;
  border: 1px solid var(--mu-line2);
  transition: box-shadow 0.25s ease, transform 0.2s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.mu-btn-main {
  background: linear-gradient(180deg, #56E66C 0%, #35B84C 100%);
  color: #0A1410;
  border-color: #63EE78;
  box-shadow: 0 0 14px rgba(79, 217, 100, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.mu-btn-main:hover {
  color: #0A1410;
  box-shadow: 0 0 26px rgba(79, 217, 100, 0.55);
  transform: translateY(-1px);
}
.mu-btn-ghost {
  background: rgba(24, 37, 50, 0.7);
  color: var(--mu-txt);
}
.mu-btn-ghost:hover { border-color: var(--mu-ac); color: var(--mu-ac2); }

/* ---------- header ---------- */

.mu-head {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(12, 19, 27, 0.92);
  border-bottom: 1px solid var(--mu-line);
  backdrop-filter: blur(8px);
}
.mu-headin {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
}
.mu-logo { display: inline-flex; align-items: center; gap: 10px; }
.mu-logo-reel {
  display: inline-flex;
  gap: 2px;
  padding: 3px 5px;
  background: #0A1017;
  border: 1px solid var(--mu-line2);
  border-radius: 6px;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.8), 0 0 10px rgba(79, 217, 100, 0.18);
}
.mu-logo-reel i {
  font-style: normal;
  font-size: 0.78rem;
  line-height: 1.2;
  padding: 1px 3px;
  background: linear-gradient(180deg, #16202B, #0D151D);
  border-radius: 3px;
  color: #F5D76A;
}
.mu-logo-word {
  font-family: var(--mu-fd);
  font-size: 1.18rem;
  color: #F2F7FB;
  letter-spacing: 0.05em;
  text-shadow: 0 0 12px rgba(79, 217, 100, 0.5);
}
.mu-nav { margin-left: auto; display: flex; gap: 22px; }
.mu-nav a {
  font-size: 0.95rem;
  color: var(--mu-mut);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.mu-nav a:hover, .mu-nav a.mu-on { color: var(--mu-ac2); border-bottom-color: var(--mu-ac); }
.mu-hact { display: flex; gap: 10px; }
.mu-burger {
  display: none;
  cursor: pointer;
  margin-left: auto;
  width: 42px;
  height: 38px;
  border: 1px solid var(--mu-line2);
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.mu-burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--mu-ac);
  border-radius: 2px;
}
.mu-navtog { display: none; }
.mu-mnav {
  display: none;
  background: #0F1922;
  border-bottom: 1px solid var(--mu-line);
  padding: 18px 22px 22px;
}
.mu-mgrp { margin-bottom: 14px; }
.mu-mgrp h3 {
  font-size: 0.8rem;
  color: var(--mu-ac);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.mu-mgrp a {
  display: block;
  padding: 7px 2px;
  color: var(--mu-txt);
  border-bottom: 1px dashed var(--mu-line);
}
.mu-navtog:checked ~ .mu-mnav { display: block; }

/* ---------- strip simbol ---------- */

.mu-strip {
  display: flex;
  justify-content: center;
  gap: 26px;
  padding: 9px 16px;
  background: linear-gradient(90deg, #0D151D, #121F2B 50%, #0D151D);
  border-top: 1px solid var(--mu-line);
  border-bottom: 1px solid var(--mu-line);
  color: #F5D76A;
  font-size: 1.05rem;
  letter-spacing: 0.3em;
  text-shadow: 0 0 10px rgba(245, 215, 106, 0.45);
}

/* ---------- main / hero ---------- */

.mu-main { max-width: 1240px; margin: 0 auto; padding: 0 20px; }

.mu-hero {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 30px;
  align-items: center;
  padding: 46px 0 34px;
}
.mu-kicker {
  font-family: var(--mu-fd);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--mu-ac);
  text-shadow: 0 0 10px rgba(79, 217, 100, 0.65);
  margin-bottom: 12px;
}
.mu-herop { color: var(--mu-mut); margin: 16px 0 22px; }
.mu-heroact { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Dasbor Uji (表盘阵列) ---------- */

.mu-dash {
  background: linear-gradient(180deg, var(--mu-panel) 0%, #141F2B 100%);
  border: 1px solid var(--mu-line2);
  border-radius: 14px;
  padding: 18px 18px 14px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(79, 217, 100, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.mu-dashh {
  font-family: var(--mu-fd);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mu-mut);
  border-bottom: 1px dashed var(--mu-line2);
  padding-bottom: 9px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.mu-dashh span { color: #F5D76A; }
.mu-dasht { color: var(--mu-ac); text-shadow: 0 0 14px rgba(79, 217, 100, 0.5); font-size: 1.12rem; }
.mu-dashp { font-size: 0.9rem; color: var(--mu-mut); margin: 8px 0 16px; }

.mu-gauges { display: grid; grid-template-columns: 1fr; gap: 12px; }

.mu-gauge {
  border: 1px solid var(--mu-line2);
  background: #101A24;
  border-radius: 10px;
  padding: 12px 12px 10px;
  text-align: center;
}
.mu-gauge.mu-g-ok { border-color: rgba(79, 217, 100, 0.55); box-shadow: 0 0 16px rgba(79, 217, 100, 0.14); }
.mu-gauge.mu-g-mid { border-color: rgba(245, 194, 68, 0.55); box-shadow: 0 0 16px rgba(245, 194, 68, 0.12); }
.mu-gauge.mu-g-bad { border-color: rgba(242, 107, 91, 0.55); box-shadow: 0 0 16px rgba(242, 107, 91, 0.12); }

.mu-ghead {
  font-family: var(--mu-fd);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--mu-mut);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.mu-glamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  background: var(--mu-mut);
}
.mu-g-ok .mu-glamp { background: var(--mu-ac); box-shadow: 0 0 8px var(--mu-ac); }
.mu-g-mid .mu-glamp { background: var(--mu-warn); box-shadow: 0 0 8px var(--mu-warn); }
.mu-g-bad .mu-glamp { background: var(--mu-bad); box-shadow: 0 0 8px var(--mu-bad); }

/* 计分窗：数字滚轮 */
.mu-gwin {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin: 9px 0 4px;
  padding: 7px 8px;
  background: #060B10;
  border-radius: 8px;
  border: 1px solid #04080C;
  box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.9), inset 0 -2px 6px rgba(0, 0, 0, 0.7),
              0 1px 0 rgba(255, 255, 255, 0.06);
}
.mu-gwin::before, .mu-gwin::after {
  content: "";
  flex: 0 0 auto;
  width: 3px;
  align-self: stretch;
  background: linear-gradient(180deg, #2E4658, #16222E);
  border-radius: 2px;
}
.mu-dw {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 1.55rem;
  line-height: 1.5;
  min-width: 1.12em;
  text-align: center;
  color: #7C93A8;
  background: linear-gradient(180deg, #0E1822 0%, #13202C 45%, #0B141D 46%, #101B26 100%);
  border-radius: 4px;
  position: relative;
}
.mu-dw::after {
  content: "";
  position: absolute;
  left: 2px; right: 2px; top: 50%;
  height: 1px;
  background: rgba(0, 0, 0, 0.65);
}
.mu-g-ok .mu-dw { color: var(--mu-ac); text-shadow: 0 0 8px rgba(79, 217, 100, 0.7); }
.mu-g-mid .mu-dw { color: var(--mu-warn); text-shadow: 0 0 8px rgba(245, 194, 68, 0.6); }
.mu-g-bad .mu-dw { color: var(--mu-bad); text-shadow: 0 0 8px rgba(242, 107, 91, 0.6); }

.mu-gptr {
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: #3E576D;
  margin-bottom: 6px;
}
.mu-gcap { font-size: 0.8rem; color: var(--mu-mut); line-height: 1.55; }

.mu-dashnote {
  margin-top: 13px;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mu-warn);
  border: 1px dashed rgba(245, 194, 68, 0.45);
  border-radius: 8px;
  padding: 7px 10px;
  background: rgba(245, 194, 68, 0.05);
}

/* ---------- 通用 section ---------- */

.mu-main > section { padding: 34px 0 8px; }
.mu-secp { color: var(--mu-mut); max-width: 760px; margin: 10px 0 22px; }

/* ---------- 指标卡网格 ---------- */

.mu-mgrid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}
.mu-mcard {
  background: linear-gradient(180deg, var(--mu-panel), #14202C);
  border: 1px solid var(--mu-line);
  border-top: 2px solid var(--mu-line2);
  border-radius: 12px;
  padding: 18px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}
.mu-mcard:hover {
  border-top-color: var(--mu-ac);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4), 0 0 18px rgba(79, 217, 100, 0.1);
  transform: translateY(-2px);
}
.mu-mico {
  font-family: var(--mu-fd);
  font-size: 1.25rem;
  color: #F5D76A;
  width: 46px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0A1017;
  border: 1px solid var(--mu-line2);
  border-radius: 8px;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.8);
  text-shadow: 0 0 8px rgba(245, 215, 106, 0.5);
}
.mu-mcard p { font-size: 0.88rem; color: var(--mu-mut); flex: 1; }
.mu-mlnk {
  font-size: 0.84rem;
  font-family: var(--mu-fd);
  color: var(--mu-ac);
  letter-spacing: 0.03em;
}
.mu-mlnk:hover { color: var(--mu-ac2); text-shadow: 0 0 10px rgba(79, 217, 100, 0.6); }

/* ---------- 检测流程步骤 ---------- */

.mu-steps { border-top: 1px solid var(--mu-line); }
.mu-sgrid {
  list-style: none;
  counter-reset: mustep;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
}
.mu-sgrid > li {
  background: rgba(24, 37, 50, 0.55);
  border: 1px solid var(--mu-line);
  border-radius: 12px;
  padding: 16px;
  position: relative;
}
.mu-sgrid > li::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(79, 217, 100, 0.55), transparent);
}
.mu-stepno {
  font-family: var(--mu-fd);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 30px;
  margin-right: 9px;
  border-radius: 7px;
  border: 1px solid rgba(79, 217, 100, 0.5);
  color: var(--mu-ac);
  background: #0A1017;
  box-shadow: inset 0 0 8px rgba(0, 0, 0, 0.8), 0 0 10px rgba(79, 217, 100, 0.15);
  font-size: 0.95rem;
}
.mu-sgrid h3 { display: flex; align-items: center; font-size: 1.02rem; margin-bottom: 8px; }
.mu-sgrid p { font-size: 0.9rem; color: var(--mu-mut); }

/* ---------- 叙述 / 优势 / 精选 ---------- */

.mu-about { max-width: 980px; }
.mu-about > p { color: var(--mu-mut); margin-bottom: 14px; }
.mu-subh {
  color: var(--mu-ac);
  text-shadow: 0 0 12px rgba(79, 217, 100, 0.45);
  margin: 26px 0 14px;
  font-size: 1.08rem;
}
.mu-advgrid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
}
.mu-advgrid > li {
  border-left: 3px solid var(--mu-ac);
  background: rgba(16, 26, 36, 0.75);
  border-radius: 0 10px 10px 0;
  padding: 12px 14px;
}
.mu-advgrid h3 { font-size: 0.98rem; margin-bottom: 5px; }
.mu-advgrid p { font-size: 0.86rem; color: var(--mu-mut); }
.mu-pickgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.mu-pick {
  background: linear-gradient(180deg, var(--mu-panel2), #17253220);
  background-color: var(--mu-panel2);
  border: 1px solid var(--mu-line2);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.mu-pick h3 a { color: #F2F7FB; }
.mu-pick h3 a:hover { color: var(--mu-ac2); }
.mu-pick p { font-size: 0.88rem; color: var(--mu-mut); flex: 1; }

/* ---------- 图片 ---------- */

.mu-fig { margin: 20px 0; }
.mu-fig img {
  border-radius: 14px;
  border: 1px solid var(--mu-line2);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.5), 0 0 22px rgba(79, 217, 100, 0.07);
}
.mu-fig figcaption {
  font-size: 0.8rem;
  color: var(--mu-mut);
  padding: 9px 4px 0;
  border-bottom: 1px dashed var(--mu-line);
}

/* ---------- FAQ ---------- */

.mu-faqsec { max-width: 920px; }
.mu-q {
  border: 1px solid var(--mu-line);
  border-radius: 10px;
  background: rgba(24, 37, 50, 0.5);
  margin-bottom: 10px;
  overflow: hidden;
}
.mu-q summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--mu-fd);
  font-size: 0.95rem;
  color: #E8F1F8;
  padding: 13px 46px 13px 16px;
  position: relative;
}
.mu-q summary::-webkit-details-marker { display: none; }
.mu-q summary::after {
  content: "+";
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--mu-ac);
  font-size: 1.25rem;
  line-height: 1;
}
.mu-q[open] summary::after { content: "−"; }
.mu-q[open] summary { border-bottom: 1px dashed var(--mu-line); }
.mu-q p { padding: 12px 16px 14px; color: var(--mu-mut); font-size: 0.92rem; }

/* ---------- 信任 18+ ---------- */

.mu-trust {
  border: 1px solid rgba(79, 217, 100, 0.4);
  background: linear-gradient(180deg, rgba(79, 217, 100, 0.07), rgba(24, 37, 50, 0.4));
  border-radius: 14px;
  padding: 24px;
  max-width: 980px;
  box-shadow: 0 0 26px rgba(79, 217, 100, 0.08);
  margin-bottom: 30px;
}
.mu-trust h2 { color: var(--mu-ac); text-shadow: 0 0 12px rgba(79, 217, 100, 0.5); }
.mu-trust p { color: var(--mu-mut); margin: 12px 0 10px; }

/* ---------- paper (内页) ---------- */

.mu-paper { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.mu-navpage, .mu-edu {
  background: linear-gradient(180deg, rgba(24, 37, 50, 0.45), rgba(16, 26, 36, 0.2));
  border: 1px solid var(--mu-line);
  border-radius: 14px;
  padding: 26px clamp(16px, 4vw, 40px) 24px;
  margin: 30px 0 40px;
}
.mu-crumbs {
  font-size: 0.8rem;
  color: var(--mu-mut);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.mu-crumbs a { color: var(--mu-mut); }
.mu-crumbs a:hover { color: var(--mu-ac2); }
.mu-navintro, .mu-edulead {
  color: var(--mu-mut);
  font-size: 1.02rem;
  margin: 12px 0 20px;
  border-left: 3px solid var(--mu-ac);
  padding-left: 14px;
}
.mu-navpage h2, .mu-edu h2 {
  font-size: 1.18rem;
  margin: 26px 0 12px;
  color: var(--mu-ac2);
}
.mu-navpage h2::before, .mu-edu h2::before {
  content: "◆ ";
  color: #F5D76A;
  font-size: 0.75em;
  margin-right: 4px;
}
.mu-navpage > p, .mu-edu > p { color: var(--mu-txt); margin-bottom: 12px; }
.mu-navlist {
  list-style: none;
  margin: 0 0 10px;
  display: grid;
  gap: 8px;
}
.mu-navlist li {
  font-size: 0.94rem;
  color: var(--mu-mut);
  padding-left: 26px;
  position: relative;
}
.mu-navlist li::before {
  content: "✓";
  position: absolute;
  left: 2px; top: 1px;
  color: var(--mu-ac);
  font-weight: 700;
}
.mu-note {
  border: 1px dashed rgba(245, 194, 68, 0.5);
  background: rgba(245, 194, 68, 0.06);
  border-radius: 10px;
  padding: 13px 16px;
  color: #EBD9A8;
  font-size: 0.92rem;
  margin: 20px 0 6px;
}
.mu-navaside {
  margin-top: 26px;
  border-top: 1px solid var(--mu-line);
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
}
.mu-navaside h3 {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--mu-ac);
  width: 100%;
}
.mu-navaside a {
  font-size: 0.88rem;
  color: var(--mu-txt);
  border-bottom: 1px dashed var(--mu-line2);
  padding-bottom: 2px;
}
.mu-navaside a:hover { color: var(--mu-ac2); border-bottom-color: var(--mu-ac); }
.mu-resp {
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--mu-mut);
  border-left: 3px solid var(--mu-warn);
  padding-left: 12px;
}

/* ---------- footer ---------- */

.mu-foot {
  border-top: 1px solid var(--mu-line);
  background: linear-gradient(180deg, #0D151D, #090F15);
  margin-top: 40px;
}
.mu-fsyms {
  display: flex;
  justify-content: center;
  gap: 30px;
  padding: 12px 16px 10px;
  color: #F5D76A;
  font-size: 0.95rem;
  letter-spacing: 0.2em;
  opacity: 0.8;
  text-shadow: 0 0 8px rgba(245, 215, 106, 0.35);
}
.mu-fgrid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 14px 20px 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.mu-fbrand { grid-column: 1 / -1; }
.mu-fcol h3 {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--mu-ac);
  margin-bottom: 8px;
}
.mu-fcol a { display: block; font-size: 0.88rem; color: var(--mu-mut); padding: 4px 0; }
.mu-fcol a:hover { color: var(--mu-ac2); }
.mu-fbrand p {
  font-size: 0.86rem;
  color: var(--mu-mut);
  max-width: 640px;
  margin: 10px 0 12px;
}
.mu-18 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  padding: 4px 10px;
  border-radius: 24px;
  border: 1px solid var(--mu-warn);
  color: var(--mu-warn);
  font-family: var(--mu-fd);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.mu-fbot {
  border-top: 1px solid var(--mu-line);
  text-align: center;
  padding: 14px 20px 18px;
}
.mu-fbot p { font-size: 0.78rem; color: var(--mu-mut); margin: 3px 0; }

/* ---------- floating bar ---------- */

.mu-float {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 80;
  display: flex;
  justify-content: center;
  padding: 10px 12px 12px;
  pointer-events: none;
  background: linear-gradient(180deg, transparent, rgba(9, 15, 21, 0.9));
}
.mu-floatin {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  background: rgba(13, 21, 29, 0.96);
  border: 1px solid var(--mu-line2);
  border-radius: 40px;
  padding: 8px 10px 8px 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(79, 217, 100, 0.14);
  max-width: 460px;
}
.mu-flab {
  font-family: var(--mu-fd);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: #C9D9E6;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.mu-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--mu-ac);
  box-shadow: 0 0 10px var(--mu-ac);
  animation: mu-blink 1.4s ease-in-out infinite;
}
@keyframes mu-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}
.mu-enter { animation: mu-pulse 2.2s ease-in-out infinite; }
@keyframes mu-pulse {
  0%, 100% { box-shadow: 0 0 14px rgba(79, 217, 100, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
  50% { box-shadow: 0 0 30px rgba(79, 217, 100, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
}

/* ---------- 404 ---------- */

.mu-404 {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  padding: 60px 20px 40px;
}
.mu-404win {
  display: inline-flex;
  gap: 6px;
  padding: 10px 12px;
  background: #060B10;
  border-radius: 10px;
  border: 1px solid #04080C;
  box-shadow: inset 0 3px 10px rgba(0, 0, 0, 0.9), 0 0 18px rgba(79, 217, 100, 0.12);
  margin-bottom: 20px;
}
.mu-404win span {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 1.7rem;
  min-width: 1.3em;
  text-align: center;
  color: var(--mu-ac);
  text-shadow: 0 0 10px rgba(79, 217, 100, 0.7);
  background: linear-gradient(180deg, #0E1822, #101B26);
  border-radius: 5px;
  padding: 4px 6px;
}
.mu-404 h1 { margin-bottom: 12px; }
.mu-404 p { color: var(--mu-mut); margin-bottom: 24px; }
.mu-404act { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* ---------- 响应式 ---------- */

@media (max-width: 1023px) {
  .mu-nav, .mu-hact { display: none; }
  .mu-burger { display: flex; }
  .mu-hero { grid-template-columns: 1fr; padding-top: 30px; }
  .mu-dash { order: 2; }
}

@media (min-width: 640px) {
  .mu-gauges { grid-template-columns: repeat(2, 1fr); }
  .mu-gauges .mu-gauge:last-child { grid-column: 1 / -1; }
  .mu-fgrid { grid-template-columns: 2fr 1fr 1fr; }
  .mu-fbrand { grid-column: auto; }
}

@media (min-width: 1024px) {
  .mu-gauges { grid-template-columns: repeat(3, 1fr); }
  .mu-gauges .mu-gauge:last-child { grid-column: auto; }
  .mu-fgrid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .mu-fbrand { grid-column: auto; }
}

@media (max-width: 420px) {
  body { font-size: 15px; }
  .mu-heroact .mu-btn { width: 100%; text-align: center; }
  .mu-floatin { padding: 7px 8px 7px 14px; gap: 10px; }
  .mu-flab { font-size: 0.6rem; }
}