/* ============================================================
   圣魔安卓指南 — 全站共享样式 /assets/site.css
   暗夜终端 + 版本档案手册
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; }
ul[class], ol[class] { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- 2. 设计变量 ---------- */
:root {
  --ink: #07080C;
  --archive: #1A0F2E;
  --panel-blue: #5B7186;
  --graphite: #111722;
  --mist: #E8EDF2;
  --cyan: #38F2E8;
  --orange: #FF8A3D;
  --gold: #C9A227;
  --lavender: #8B7BB5;

  --hair: rgba(232, 237, 242, 0.12);
  --hair-strong: rgba(232, 237, 242, 0.26);
  --mist-70: rgba(232, 237, 242, 0.72);
  --mist-55: rgba(232, 237, 242, 0.55);

  --font-display: "Barlow Condensed", "Oswald", "Arial Narrow", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Courier New", monospace;

  --shell: 1320px;
  --gutter: clamp(16px, 3.6vw, 40px);
  --dur: 180ms;
  --ease: cubic-bezier(0.22, 0.68, 0.28, 1);
  --hard-shadow: 6px 6px 0 rgba(0, 0, 0, 0.55);
  --sticky-top: 118px;
}

/* ---------- 3. 中文排版与页面底色 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: clamp(15px, 0.35vw + 14px, 17px);
  line-height: 1.78;
  color: var(--mist);
  background-color: var(--ink);
  background-image:
    radial-gradient(1200px 620px at 84% -12%, rgba(26, 15, 46, 0.92), transparent 62%),
    radial-gradient(900px 520px at 6% 4%, rgba(91, 113, 134, 0.16), transparent 60%),
    radial-gradient(760px 520px at 50% 112%, rgba(26, 15, 46, 0.6), transparent 70%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
}
h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); letter-spacing: 0.02em; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.4rem); }
h3 { font-size: clamp(1.08rem, 1.4vw, 1.32rem); letter-spacing: 0.06em; }
h4 { font-size: 1rem; letter-spacing: 0.08em; }
p { max-width: 72ch; }

::selection { background: var(--cyan); color: var(--ink); }

/* ---------- 4. 文字与工具类 ---------- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lavender);
}
.lede {
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.12rem);
  line-height: 1.8;
  color: rgba(232, 237, 242, 0.86);
  max-width: 62ch;
}
.dim { color: var(--mist-55); }

/* ---------- 5. 容器与页面网格 ---------- */
.shell {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 8fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}
.main-col { grid-column: 2; min-width: 0; }
.note-col {
  grid-column: 3;
  font-size: 13px;
  line-height: 1.7;
  color: var(--lavender);
  border-left: 1px solid var(--hair);
  padding-left: 14px;
}
.side-panel {
  grid-column: 1;
  position: sticky;
  top: var(--sticky-top);
  min-width: 0;
  border: 1px solid var(--hair-strong);
  background: linear-gradient(180deg, rgba(17, 23, 34, 0.96), rgba(17, 23, 34, 0.7));
  box-shadow: var(--hard-shadow);
  padding: 18px;
}

@media (max-width: 1080px) {
  .page-grid { grid-template-columns: minmax(0, 1fr); }
  .side-panel, .main-col, .note-col { grid-column: 1; }
  .side-panel { position: static; }
  .note-col { border-left: 0; border-top: 1px solid var(--hair); padding-left: 0; padding-top: 12px; }
}

/* ---------- 6. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  border: 1px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
  transition: top 160ms var(--ease);
}
.skip-link:focus { top: 8px; }

/* ---------- 7. 头部（窄条框架导航） ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(7, 8, 12, 0.98) 0%, rgba(9, 10, 16, 0.94) 100%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hair-strong);
}
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 1px 0 0 var(--hair), inset -1px 0 0 var(--hair);
}
.header-topline {
  height: 3px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(56, 242, 232, 0.08) 34%, rgba(201, 162, 39, 0.55) 64%, var(--orange) 100%);
}

.header-shell {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas: "brand nav tools";
  align-items: center;
  column-gap: clamp(14px, 2vw, 32px);
  row-gap: 10px;
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding-block: 12px;
}

/* 品牌 */
.brand {
  grid-area: brand;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 10px;
  align-items: center;
}
.brand-mark {
  grid-row: 1 / -1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cyan);
  background: rgba(56, 242, 232, 0.08);
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.08em;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.brand:hover .brand-mark { background: var(--cyan); color: var(--ink); }
.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.1;
  color: #fff;
}
.brand-descriptor {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.4;
  color: var(--lavender);
}

/* 导航 */
.site-nav { grid-area: nav; min-width: 0; }
.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-item { display: block; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--mist-70);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.nav-link::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--lavender);
  opacity: 0.7;
  transition: background var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-link:hover {
  color: #fff;
  border-color: var(--hair-strong);
  background: rgba(91, 113, 134, 0.16);
  transform: translateY(-1px);
}
.nav-link:hover::before { background: var(--cyan); opacity: 1; }
.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 3px 3px 0 rgba(56, 242, 232, 0.22);
}
.nav-link[aria-current="page"]::before { background: var(--ink); opacity: 1; }

/* 头部工具区 */
.header-tools {
  grid-area: tools;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 移动按钮 */
.nav-toggle {
  grid-area: toggle;
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--hair-strong);
  background: var(--graphite);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle-bars { position: relative; width: 16px; height: 10px; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { top: 8px; }
.site-header[data-open] .nav-toggle-bars::before { top: 4px; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle-bars::after { top: 4px; transform: rotate(-45deg); }
.nav-toggle-label { line-height: 1; }

/* 状态带 */
.header-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--hair-strong);
  background: rgba(17, 23, 34, 0.85);
  color: var(--mist-70);
  line-height: 1.5;
}
.status-key {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
}
.status-chip--live { color: var(--cyan); border-color: rgba(56, 242, 232, 0.45); }
.status-chip--verify { color: var(--orange); border-color: rgba(255, 138, 61, 0.45); }
.status-chip--archive { color: var(--gold); border-color: rgba(201, 162, 39, 0.45); }
.header-status-note { color: var(--panel-blue); letter-spacing: 0.14em; }

/* 阅读进度 */
.read-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(232, 237, 242, 0.08);
  overflow: hidden;
}
.read-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}

@media (max-width: 1040px) {
  .header-shell {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "tools tools";
    row-gap: 10px;
    padding-block: 11px;
  }
  .brand-descriptor { display: none; }
  .nav-toggle { display: inline-flex; justify-self: end; }
  .site-nav, .header-tools { display: none; }
  .site-header[data-open] .site-nav { display: block; }
  .site-header[data-open] .header-tools {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding-top: 10px;
    border-top: 1px solid var(--hair);
  }
  .site-header[data-open] .header-tools .btn { width: 100%; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 5px; }
  .nav-link {
    width: 100%;
    justify-content: flex-start;
    padding: 12px 14px;
    font-size: 15px;
    border-color: var(--hair);
    background: rgba(17, 23, 34, 0.7);
  }
  .header-status { padding-bottom: 10px; }
  .header-status-note { display: none; }
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--hair-strong);
  background: var(--graphite);
  color: var(--mist);
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.btn:hover { transform: translate(-1px, -1px); }
.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(56, 242, 232, 0.22);
}
.btn--primary:hover { box-shadow: 6px 6px 0 rgba(56, 242, 232, 0.32); }
.btn--line {
  background: transparent;
  border-color: var(--panel-blue);
  color: var(--mist);
}
.btn--line:hover { border-color: var(--cyan); color: var(--cyan); }
.btn--quiet {
  background: transparent;
  border-color: var(--hair);
  color: var(--mist-70);
}
.btn--quiet:hover { border-color: var(--gold); color: var(--gold); }
.btn--sm { padding: 8px 13px; font-size: 12px; }
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lavender);
}
.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumbs-item + .breadcrumbs-item::before {
  content: "/";
  color: var(--panel-blue);
}
.breadcrumbs-link {
  color: var(--mist-70);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.breadcrumbs-link:hover { color: var(--cyan); border-color: var(--cyan); }
.breadcrumbs-current { color: var(--cyan); }

/* ---------- 10. 章节头 ---------- */
.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 18px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}
.section-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1px var(--lavender);
  letter-spacing: 0.02em;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lavender);
}
.section-title { margin: 4px 0 0; }
.section-rule {
  grid-column: 1 / -1;
  height: 1px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--hair-strong), rgba(232, 237, 242, 0) 72%);
}

/* ---------- 11. 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--hair-strong);
  background: rgba(17, 23, 34, 0.9);
  color: var(--mist-70);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.badge--live {
  color: var(--cyan);
  border-color: rgba(56, 242, 232, 0.5);
  background: rgba(56, 242, 232, 0.1);
}
.badge--verify {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.5);
  background: rgba(255, 138, 61, 0.1);
}
.badge--archive {
  color: var(--gold);
  border-color: rgba(201, 162, 39, 0.5);
  background: rgba(201, 162, 39, 0.1);
}

/* ---------- 12. 面板与卡片 ---------- */
.panel {
  border: 1px solid var(--hair-strong);
  background: var(--graphite);
  padding: clamp(16px, 2.2vw, 26px);
  box-shadow: var(--hard-shadow);
}
.panel--purple {
  background: linear-gradient(155deg, rgba(26, 15, 46, 0.96), rgba(17, 23, 34, 0.94));
}
.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair);
}
.panel-title {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}
.panel-body { color: var(--mist-70); font-size: 14.5px; }

.card {
  border: 1px solid var(--hair);
  background: rgba(17, 23, 34, 0.86);
  padding: clamp(14px, 1.8vw, 20px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.card:hover {
  transform: translate(-2px, -2px);
  border-color: rgba(56, 242, 232, 0.4);
  box-shadow: 5px 5px 0 rgba(56, 242, 232, 0.14);
}

/* ---------- 13. 图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--hair-strong);
  background: linear-gradient(150deg, rgba(26, 15, 46, 0.95), rgba(7, 8, 12, 0.96));
  box-shadow: var(--hard-shadow);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, rgba(7, 8, 12, 0) 55%, rgba(7, 8, 12, 0.72) 100%),
    repeating-linear-gradient(180deg, rgba(232, 237, 242, 0.05) 0 1px, rgba(232, 237, 242, 0) 1px 4px);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--cut { clip-path: polygon(0 0, 100% 0, 100% 82%, 82% 100%, 0 100%); }
.media-placeholder {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--panel-blue);
}
.media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lavender);
}

/* ---------- 14. 表格 ---------- */
.data-table {
  width: 100%;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}
.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--hair);
  text-align: left;
  vertical-align: top;
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lavender);
  background: rgba(91, 113, 134, 0.1);
}
.data-table tbody tr:hover { background: rgba(91, 113, 134, 0.12); }
.data-table .mono { color: var(--cyan); }

/* ---------- 15. 滚动显隐（由 JS 开启） ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-ready [data-reveal] { opacity: 0; transform: translateY(16px); }
  .reveal-ready [data-reveal].is-in {
    opacity: 1;
    transform: none;
    transition: opacity 240ms var(--ease), transform 240ms var(--ease);
  }
}

/* ---------- 16. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 140px);
  border-top: 1px solid var(--hair-strong);
  background:
    linear-gradient(180deg, rgba(26, 15, 46, 0.9) 0%, rgba(7, 8, 12, 1) 68%),
    var(--ink);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 237, 242, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 237, 242, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 72%);
}
.footer-shell {
  position: relative;
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding-block: clamp(40px, 6vw, 76px) 26px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.9fr) minmax(0, 1.2fr);
  gap: clamp(24px, 4vw, 56px);
}
.footer-brand { min-width: 0; }
.footer-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-mark-slash {
  align-self: center;
  padding: 3px 7px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
}
.footer-mark-name {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
}
.footer-claim {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist-70);
}
.footer-meta {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--panel-blue);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
  min-width: 0;
}
.footer-group { min-width: 0; }
.footer-group-title {
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(201, 162, 39, 0.32);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}
.footer-list { display: grid; gap: 4px; list-style: none; }
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 14px;
  color: var(--mist-70);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.footer-link::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--panel-blue);
  transition: background var(--dur) var(--ease);
}
.footer-link:hover {
  color: var(--cyan);
  border-color: rgba(56, 242, 232, 0.45);
  transform: translateX(2px);
}
.footer-link:hover::before { background: var(--cyan); }

.footer-contact { min-width: 0; }
.contact-list { display: grid; gap: 10px; list-style: none; }
.contact-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--hair);
}
.contact-term {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}
.contact-desc {
  font-size: 14px;
  color: var(--mist-70);
  overflow-wrap: anywhere;
}
.contact-note {
  margin: 14px 0 16px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-55);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  color: var(--mist-55);
}
.footer-legal { line-height: 1.8; }
.footer-icp { color: var(--gold); letter-spacing: 0.04em; }
.footer-note {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--panel-blue);
}

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .contact-item { grid-template-columns: 52px minmax(0, 1fr); }
}