/* ==========================================================================
   Public Free Suffix · "Synthwave" retro terminal theme
   风格基准：复古 CRT 终端美学（扫描线、网格背景、VT323 像素标题、硬边框、
   直角、按压缩陷按钮）。配色为赛博合成波霓虹系（深空紫底 + 霓虹青主色 +
   霓虹粉/电紫点缀），与 CRT 扫描线互为表里。
   约定：不做全宽分割线（不输出 hr、页面不用通栏横线），区块间只用留白。
   ========================================================================== */

:root {
  /* synthwave palette */
  --bg: #0d0221;
  --surface: #1a0f33;
  --border: #2c1a4d;
  --primary: #00e5ff;            /* neon cyan */
  --primary-dim: #007f99;        /* pressed button edge */
  --accent: #ff2ea6;             /* neon pink */
  --secondary: #b026ff;          /* electric violet */
  --error: #ff4d6d;
  --text: #eae6f5;
  --white: #ffffff;
  --muted: #7d76a8;

  /* translucent tints */
  --primary-10: rgba(0, 229, 255, 0.1);
  --primary-30: rgba(0, 229, 255, 0.3);
  --accent-10: rgba(255, 46, 166, 0.1);
  --accent-30: rgba(255, 46, 166, 0.3);
  --secondary-10: rgba(176, 38, 255, 0.1);
  --secondary-30: rgba(176, 38, 255, 0.3);
  --error-10: rgba(255, 77, 109, 0.12);
  --error-border: rgba(255, 77, 109, 0.45);
  --overlay: rgba(5, 1, 15, 0.78);

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --pixel: "VT323", "Courier New", monospace;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;

  --container: 72rem;
}

/* ---------- base ---------- */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

::selection { background: var(--primary); color: var(--bg); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #3a2b63; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--white); }

:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

img { max-width: 100%; }

/* ---------- scanlines overlay（复刻 CRT 扫描线） ---------- */

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  background:
    linear-gradient(rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.1) 50%),
    linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.012), rgba(0, 0, 255, 0.03));
  background-size: 100% 3px, 3px 100%;
  opacity: 0.6;
}

/* ---------- layout containers ---------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

.site-main {
  flex: 1;
  width: 100%;
  padding: 2rem 0 4rem;
  position: relative;
  z-index: 10;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 2, 33, 0.95);
  backdrop-filter: blur(4px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  min-width: 0;
}
.brand:hover { color: var(--white); }

.brand-mark {
  background: var(--primary);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  padding: 6px 7px;
  border-bottom: 3px solid var(--primary-dim);
  flex-shrink: 0;
}
.brand:hover .brand-mark { background: var(--white); }

.brand-name {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.brand-tag {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  white-space: nowrap;
}
@media (max-width: 860px) { .brand-tag { display: none; } }

.site-nav {
  display: none;
  align-items: center;
  gap: 4px;
}
@media (min-width: 768px) { .site-nav { display: flex; } }

.site-nav a,
.site-nav .current {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.site-nav a:hover {
  color: var(--text);
  border-bottom-color: var(--border);
}
.site-nav .current { color: var(--primary); border-bottom-color: var(--primary); }

.star-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
  border: 1px solid var(--border);
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  transition: border-color 0.2s, color 0.2s;
}
.star-badge:hover { border-color: var(--primary); color: var(--primary); }

.menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}
.menu-btn:hover { border-color: var(--primary); color: var(--primary); }
@media (min-width: 768px) { .menu-btn { display: none; } }

/* ---------- mobile menu（右侧滑入面板） ---------- */

.mobile-menu { display: none; }
.mobile-menu.is-open { display: block; }

.mobile-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(0, 0, 0, 0.6);
}

.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 61;
  width: 80%;
  max-width: 20rem;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-left: 1px solid var(--border);
}

.mobile-panel-head {
  height: 64px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}
.mobile-panel-head span {
  font-family: var(--pixel);
  font-size: 18px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mobile-close {
  border: none;
  background: none;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  padding: 4px;
}
.mobile-close:hover { color: var(--error); }

.mobile-panel nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.mobile-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
}
.mobile-link i { font-size: 18px; color: var(--muted); }
.mobile-link:hover { background: var(--surface); color: var(--primary); }
.mobile-link.is-current { color: var(--primary); }
.mobile-link.is-current i { color: var(--primary); }

.mobile-panel-foot {
  flex-shrink: 0;
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- buttons（按压缩陷） ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--text);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.1s;
}
.btn:hover { color: var(--white); }

.btn-primary {
  background: var(--primary);
  color: var(--bg);
  border-bottom: 3px solid var(--primary-dim);
}
.btn-primary:hover { background: var(--white); color: var(--bg); }
.btn-primary:active { transform: translateY(3px); border-bottom-width: 0; }

.btn-outline {
  border: 2px solid var(--border);
  padding: 10px 20px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger {
  background: var(--error);
  color: var(--bg);
  border-bottom: 3px solid #c22a4d;
}
.btn-danger:hover { background: var(--white); color: var(--error); }
.btn-danger:active { transform: translateY(3px); border-bottom-width: 0; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

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

.hero {
  position: relative;
  min-height: min(78vh, 46rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 44px;
  text-align: center;
  padding: 40px 0 8px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -10;
  background:
    linear-gradient(to right, var(--surface) 1px, transparent 1px),
    linear-gradient(to bottom, var(--surface) 1px, transparent 1px);
  background-size: 3rem 3rem;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, #000 70%, transparent 100%);
}

.hero-title { margin: 0; width: 100%; }

.hero-vt {
  display: block;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(3.2rem, 11vw, 8rem);
  line-height: 0.95;
  color: var(--white);
  word-break: break-word;
}
.hero-vt .hl {
  color: var(--primary);
  background: var(--primary-10);
  padding: 0 10px;
}

/* 后缀名从下到上轮换：外层 inline-grid 按最长项定宽，轮换时零抖动 */
.hero-rotator {
  display: inline-grid;
  height: 1em;
  overflow: hidden;
  vertical-align: bottom;
  text-align: center;
}
.rotator-track {
  grid-area: 1 / 1;
  align-self: start;
  display: flex;
  flex-direction: column;
  animation: suffix-rotate 14s infinite;
}
.rotator-track span {
  display: block;
  height: 1em;
  line-height: 1;
  white-space: nowrap;
}
@keyframes suffix-rotate {
  0%, 13.3%     { transform: translateY(0); }
  16.66%, 29.9% { transform: translateY(-1em); }
  33.33%, 46.6% { transform: translateY(-2em); }
  50%, 63.3%    { transform: translateY(-3em); }
  66.66%, 79.9% { transform: translateY(-4em); }
  83.33%, 96.6% { transform: translateY(-5em); }
  100%          { transform: translateY(-6em); }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.cursor {
  display: inline-block;
  width: 0.08em;
  min-width: 6px;
  height: 0.85em;
  margin-left: 8px;
  background: var(--primary);
  opacity: 0.85;
  vertical-align: baseline;
  animation: cursor-blink 1.1s steps(1) infinite;
}
@keyframes cursor-blink { 0%, 55% { opacity: 0.85; } 56%, 100% { opacity: 0; } }

.hero-inter {
  display: block;
  margin-top: 10px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  color: var(--white);
}

.hero-lede {
  max-width: 42rem;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}
.hero-lede strong { color: var(--text); font-weight: 600; }

.trust-line {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
.trust-line strong { color: var(--primary); font-weight: 700; }

/* hero 内公告条（仿上方折叠区高 impacting bar） */

.notice-bar {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  width: 100%;
  max-width: 64rem;
  text-align: left;
  border: 2px solid var(--border);
  border-left: 4px solid var(--primary);
  background: var(--surface);
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text);
  transition: border-color 0.2s;
}
.notice-bar:hover { border-color: var(--primary); }
.notice-badge {
  background: var(--primary);
  color: var(--bg);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  flex-shrink: 0;
}
.notice-bar p { margin: 0; }
.notice-bar strong { color: var(--primary); }
@media (min-width: 640px) {
  .notice-bar { flex-direction: row; align-items: center; gap: 14px; }
}

/* ---------- hero 徽章行（扫光悬停） ---------- */

.badges-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 48rem;
  margin: 0 auto;
}
@media (min-width: 768px) { .badges-row { grid-template-columns: repeat(3, 1fr); } }

.badge {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border);
  background: rgba(26, 15, 51, 0.5);
  padding: 16px;
}
.badge i { font-size: 18px; position: relative; z-index: 2; }
.badge span {
  position: relative;
  z-index: 2;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}
.badge::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s 0.4s;
}
.badge::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, var(--sweep, var(--primary-30)), transparent);
  transition: transform 0.5s;
}
.badge:hover::before { opacity: 1; }
.badge:hover::after { transform: translateX(100%); }

.badge.is-primary { --sweep: var(--primary-30); color: var(--primary); }
.badge.is-primary::before { background: var(--primary-10); }
.badge.is-primary:hover { border-color: var(--primary); }
.badge.is-accent { --sweep: var(--accent-30); color: var(--accent); }
.badge.is-accent::before { background: var(--accent-10); }
.badge.is-accent:hover { border-color: var(--accent); }
.badge.is-secondary { --sweep: var(--secondary-30); color: var(--secondary); }
.badge.is-secondary::before { background: var(--secondary-10); }
.badge.is-secondary:hover { border-color: var(--secondary); }

/* ---------- 通用 section 与标题 ---------- */

.section { width: 100%; max-width: 64rem; margin: 64px auto 0; text-align: left; }
.section-first { margin-top: 40px; }
.section-narrow { max-width: 48rem; }

.section-head {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 24px;
}
@media (min-width: 640px) {
  .section-head { flex-direction: row; align-items: flex-end; }
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0;
}

.section-title {
  margin: 6px 0 0;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--white);
}

.section-desc {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary);
  white-space: nowrap;
}
.section-link:hover { color: var(--white); text-decoration: underline; text-underline-offset: 4px; }

/* ---------- 特性卡（幽灵图标 + 像素标题） ---------- */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
.card-grid.more-platforms { margin-top: 20px; }

.card-grid.cols-2 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
.card-grid.cols-4 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }

.feature-card {
  position: relative;
  overflow: hidden;
  border: 2px solid var(--border);
  background: var(--surface);
  padding: 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: var(--primary); }

.feature-card .ghost-icon {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 40px;
  line-height: 1;
  color: var(--white);
  opacity: 0.1;
  transition: opacity 0.2s;
}
.feature-card:hover .ghost-icon { opacity: 0.2; }

.feature-card h3 {
  margin: 0 0 8px;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.05em;
  color: var(--white);
  transition: color 0.2s;
}
.feature-card:hover h3 { color: var(--primary); }
.feature-card p {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 后缀卡 ---------- */

.suffix-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 2px solid var(--border);
  background: var(--surface);
  padding: 20px;
  transition: border-color 0.2s, transform 0.2s;
}
.suffix-card:hover { border-color: var(--primary); }

.suffix-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.suffix-name {
  font-family: var(--pixel);
  font-size: 34px;
  line-height: 1;
  color: var(--white);
  transition: color 0.2s;
}
.suffix-card:hover .suffix-name { color: var(--primary); }

.suffix-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.spotlight-badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--accent);
  background: var(--accent-10);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  text-transform: uppercase;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: rgba(13, 2, 33, 0.9);
  color: var(--primary);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  text-transform: uppercase;
}
.status-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--primary);
  box-shadow: 0 0 6px var(--primary);
  animation: dot-pulse 2s ease-in-out infinite;
}
@keyframes dot-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.suffix-desc {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  flex: 1;
}

.suffix-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
}
.suffix-foot a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
}
.suffix-foot a:hover { color: var(--white); }

.suffix-note {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}
.suffix-note code { color: var(--text); }

/* ---------- 终端窗口 ---------- */

.terminal {
  border: 2px solid var(--border);
  background: #080317;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid var(--border);
  background: var(--surface);
  padding: 10px 14px;
}
.tdot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.tdot-red { background: var(--error); }
.tdot-amber { background: var(--primary); }
.tdot-green { background: #3fbf5a; }
.terminal-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.terminal-body {
  padding: 18px 16px 20px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 2;
  overflow-x: auto;
}
.terminal-body p { margin: 0; white-space: pre-wrap; }
.t-prompt { color: var(--primary); font-weight: 700; }
.t-cmd { color: var(--white); font-weight: 700; }
.t-arg { color: var(--accent); }
.t-comment { color: var(--muted); }
.t-ok { color: #3fbf5a; font-weight: 700; }

.terminal-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
}

/* ---------- 步骤块（apply 页） ---------- */

.step-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }

.step-block {
  display: flex;
  gap: 18px;
  border: 2px solid var(--border);
  border-left: 4px solid var(--primary);
  background: var(--surface);
  padding: 18px 20px;
  transition: border-color 0.2s;
}
.step-block:hover { border-color: var(--primary); border-left-color: var(--primary); }

.step-no {
  font-family: var(--pixel);
  font-size: 30px;
  line-height: 1;
  color: var(--primary);
  flex-shrink: 0;
}
.step-block h3 {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}
.step-block h3 a { color: var(--primary); }
.step-block p { margin: 0; font-size: 14px; color: var(--muted); }
.step-block p strong { color: var(--text); }

/* ---------- 规则/须知列表 ---------- */

.rule-box {
  border: 2px solid var(--border);
  background: var(--surface);
  padding: 20px;
}
.rule-box ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.rule-box li {
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  color: var(--muted);
}
.rule-box li::before {
  content: ">";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--primary);
}
.rule-box li strong { color: var(--text); }

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

.faq-head { text-align: center; border-bottom: none; margin-bottom: 8px; }
.faq-head .section-eyebrow { justify-content: center; }

.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }

.faq-item {
  border: 2px solid var(--border);
  background: var(--surface);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--muted); font-size: 20px; flex-shrink: 0; transition: transform 0.2s; }
.faq-item[open] summary i { transform: rotate(180deg); }
.faq-item[open] { border-color: var(--primary); }
.faq-answer {
  padding: 0 20px 16px;
  margin-top: -4px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 博客列表 ---------- */

.post-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }

.post-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border: 2px solid var(--border);
  background: var(--surface);
  padding: 16px 20px;
  color: var(--text);
  transition: border-color 0.2s;
}
.post-row:hover { border-color: var(--primary); color: var(--white); }

.post-row-title {
  font-family: var(--mono);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.post-row-date {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
}
@media (max-width: 560px) {
  .post-row { flex-direction: column; gap: 4px; }
}

/* ---------- 页面头部（内页） ---------- */

.page-hero { padding: 24px 0 8px; }

.page-title {
  margin: 0 0 8px;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0.03em;
  color: var(--white);
}
.page-title .hl { color: var(--primary); }

.page-lede { max-width: 44rem; color: var(--muted); font-size: 16px; margin: 10px 0 0; }
.page-lede strong { color: var(--text); }

.page-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 16px;
}
.back-link:hover { color: var(--primary); }

/* ---------- 警示面板（report 页） ---------- */

.alert-panel {
  border: 2px solid var(--error-border);
  background: var(--error-10);
  padding: 18px 20px;
  font-size: 14.5px;
  color: var(--text);
}
.alert-panel .section-eyebrow { color: var(--error); margin-bottom: 6px; }
.alert-panel p { margin: 0; }
.alert-panel a { color: var(--error); text-decoration: underline; text-underline-offset: 3px; }
.alert-panel a:hover { color: var(--white); }

.channel-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 2px solid var(--border);
  background: var(--surface);
  padding: 20px;
  transition: border-color 0.2s;
}
.channel-card:hover { border-color: var(--primary); }
.channel-card i { font-size: 22px; color: var(--primary); }
.channel-card h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
}
.channel-card p { margin: 0; font-size: 13.5px; color: var(--muted); }
.channel-card a { font-family: var(--mono); font-size: 13px; font-weight: 700; overflow-wrap: anywhere; }

/* ---------- 正文排版（博客文章） ---------- */

.prose { max-width: 44rem; }

.prose-post { margin-top: 28px; }

.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--white);
  line-height: 1.3;
  margin: 32px 0 10px;
}
.prose h1 { font-family: var(--pixel); font-weight: 400; font-size: 2.4rem; letter-spacing: 0.03em; }
.prose h2 {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.prose h3 { font-size: 18px; font-weight: 700; }
.prose h4 { font-size: 15.5px; font-weight: 700; color: var(--primary); }

.prose p { margin: 14px 0; color: var(--text); font-size: 15.5px; }
.prose a { text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { margin: 14px 0; padding-left: 22px; color: var(--text); font-size: 15px; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--primary); }

.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  color: var(--primary);
}
.prose pre {
  border: 2px solid var(--border);
  background: #080317;
  padding: 14px 16px;
  overflow-x: auto;
  line-height: 1.65;
}
.prose pre code { background: none; border: none; padding: 0; color: var(--text); }

.prose blockquote {
  margin: 18px 0;
  border-left: 4px solid var(--primary);
  background: var(--surface);
  padding: 12px 18px;
  color: var(--muted);
}
.prose blockquote p { margin: 6px 0; }

.prose img { border: 2px solid var(--border); }

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

.error-hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  text-align: center;
}
.error-code {
  font-family: var(--pixel);
  font-size: clamp(4rem, 16vw, 9rem);
  line-height: 0.9;
  color: var(--primary);
}
.error-msg { font-family: var(--mono); font-size: 13px; letter-spacing: 0.14em; color: var(--muted); text-transform: uppercase; }

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

.site-footer {
  position: relative;
  z-index: 10;
  border-top: 2px solid var(--border);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 40px 0;
  align-items: start;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }

.footer-brand { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 4px; }

.footer-desc {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 24rem;
}
.footer-copy { margin: 14px 0 0; font-family: var(--mono); font-size: 10px; color: var(--muted); opacity: 0.8; }
.footer-copy strong { color: var(--text); }

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--primary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.footer-links a { color: var(--muted); }
.footer-links a:hover { color: var(--primary); }
.footer-links .footer-em { color: var(--primary); font-weight: 700; }
.footer-links .footer-em:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(44, 26, 77, 0.5);
  padding: 14px 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.footer-bottom a { color: var(--text); }
.footer-bottom a:hover { color: var(--primary); }

/* ---------- 举报弹窗（retro 风格重皮，逻辑不变） ---------- */

.no-scroll { overflow: hidden; }

.abuse-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--overlay);
}
.abuse-overlay.is-open { display: flex; }

.abuse-dialog {
  position: relative;
  width: 100%;
  max-width: 560px;
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  background: var(--surface);
  border: 2px solid var(--border);
  border-top: 4px solid var(--error);
  box-shadow: 8px 8px 0 0 rgba(0, 0, 0, 0.55);
  padding: 20px 24px 18px;
}

.abuse-dialog h2 {
  margin: 6px 0 12px;
  font-family: var(--pixel);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--white);
}
.abuse-dialog p { margin: 10px 0; font-size: 14px; color: var(--muted); }
.abuse-dialog p a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.abuse-dialog p strong { color: var(--error); }

.abuse-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.abuse-flag {
  flex: 1;
  margin: 0;
  color: var(--error);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.abuse-tools { display: flex; align-items: center; gap: 4px; }

.abuse-lang {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 4px;
  cursor: pointer;
  max-width: 140px;
}
.abuse-lang:hover { border-color: var(--primary); }
.abuse-lang:focus-visible { outline: 2px solid var(--error); outline-offset: 2px; }

.abuse-context {
  background: var(--error-10);
  border: 1px solid var(--error-border);
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--text);
}

.abuse-close {
  border: none;
  background: none;
  font-size: 24px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 2px 6px;
}
.abuse-close:hover { color: var(--error); }
.abuse-close:focus-visible, .abuse-dismiss:focus-visible { outline: 2px solid var(--error); outline-offset: 2px; }
.abuse-actions .btn-danger:focus-visible { outline: 2px solid var(--white); outline-offset: 2px; }

.abuse-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 8px; }
.abuse-actions .btn { max-width: 100%; overflow-wrap: anywhere; }

.abuse-foot { margin: 8px 0 0; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.abuse-dismiss {
  border: none;
  background: none;
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.abuse-dismiss:hover { color: var(--text); }

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor, .status-badge .dot, .rotator-track { animation: none; }
  .badge::after { display: none; }
  * { transition-duration: 0.01ms !important; }
}