/* =========================================================
   新智空间 · snons.com
   Smart Net of New Space — New One, New Soul
   暗色宇宙杂志风
   ========================================================= */

:root {
  --bg: #0a0a12;
  --bg-soft: #0f0f1b;
  --bg-card: #11111f;
  --bg-card-hover: #161628;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #e8e8f0;
  --text-soft: #b4b4c8;
  --text-dim: #7a7a92;
  --cyan: #5fe6d4;
  --violet: #9d8cff;
  --violet-deep: #6f5fd0;
  --glow-cyan: rgba(95, 230, 212, 0.14);
  --glow-violet: rgba(157, 140, 255, 0.16);
  --serif: "Noto Serif SC", "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --max: 1080px;
  --reading: 720px;
}

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

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 宇宙微光背景 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1100px 600px at 78% -12%, var(--glow-violet), transparent 60%),
    radial-gradient(900px 520px at 8% -8%, var(--glow-cyan), transparent 55%),
    var(--bg);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }

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

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 18, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
}

.brand .cn {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.brand .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}

.brand .en {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--sans);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
}

.main-nav a {
  color: var(--text-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active { color: var(--text); }

.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  width: 40px; height: 36px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

/* ---------------- Hero ---------------- */
.hero {
  padding: 98px 0 36px;
  text-align: center;
  position: relative;
}

.hero .kicker {
  font-size: 12px;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 30px;
}

.hero h1 {
  font-family: var(--serif);
  font-size: clamp(52px, 10vw, 116px);
  line-height: 1.04;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #ffffff 20%, #c9c4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .slogan {
  margin-top: 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(16px, 2.4vw, 24px);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-shadow: 0 0 24px rgba(120, 224, 255, 0.25);
}

.hero .tagline {
  margin-top: 18px;
  font-size: clamp(14px, 2vw, 18px);
  font-weight: 400;
  letter-spacing: 0.12em;
  color: rgba(120, 224, 255, 0.7);
  text-shadow: 0 0 16px rgba(120, 224, 255, 0.15);
}

.hero .footnote-en {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.hero .positioning {
  margin: 24px auto 0;
  max-width: 600px;
  font-size: 17px;
  color: var(--text-soft);
  line-height: 1.85;
}

.hero .rule {
  width: 64px;
  height: 1px;
  margin: 52px auto 0;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

/* ---------------- Sections ---------------- */
.section { padding: 36px 0; }
.section.tight { padding: 36px 0; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 38px;
}

.section-head .eyebrow {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-head h2 {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section-head .more {
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
  transition: color 0.2s;
}
.section-head .more:hover { color: var(--cyan); }

.section-lead {
  color: var(--text-soft);
  max-width: 680px;
  margin-bottom: 40px;
  font-size: 15.5px;
}

/* ---------------- Cards ---------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.plate-card {
  display: flex;
  flex-direction: column;
  padding: 30px 26px;
  background: linear-gradient(180deg, var(--bg-card), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: 16px;
  min-height: 230px;
  position: relative;
  overflow: hidden;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.plate-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity 0.28s;
}

.plate-card:hover {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 22px 48px -24px rgba(120, 100, 255, 0.4);
}
.plate-card:hover::after { opacity: 1; }

.plate-card .num {
  font-family: Georgia, serif;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
}

.plate-card h3 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  margin: 18px 0 10px;
}

.plate-card .en-label {
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 14px;
}

.plate-card p {
  font-size: 13.5px;
  color: var(--text-soft);
  line-height: 1.75;
}

.plate-card .go {
  margin-top: auto;
  padding-top: 18px;
  font-size: 12.5px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.grid-3 {
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.mini-card {
  padding: 26px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s, transform 0.2s;
}
.mini-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.mini-card h4 {
  font-family: var(--serif);
  font-size: 18px;
  margin-bottom: 8px;
}
.mini-card p { font-size: 13.5px; color: var(--text-soft); }

/* ---------------- Tags / badges ---------------- */
.badges { display: flex; flex-wrap: wrap; gap: 8px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--text-soft);
  background: rgba(255,255,255,0.02);
  white-space: nowrap;
}

.badge.line { color: var(--cyan); border-color: rgba(95, 230, 212, 0.35); }
.badge.maturity { color: var(--violet); border-color: rgba(157, 140, 255, 0.4); }
.badge.category { color: var(--cyan); border-color: rgba(95,230,212,0.32); }

.badge.level {
  font-family: Georgia, serif;
  letter-spacing: 0.06em;
  color: var(--violet);
  border-color: rgba(157,140,255,0.45);
  background: var(--glow-violet);
}

.spec-tag {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 6px;
  margin-right: 10px;
  border: 1px solid;
  vertical-align: 2px;
  white-space: nowrap;
}
.spec-tag.science { color: var(--cyan); border-color: rgba(95,230,212,0.4); }
.spec-tag.philosophy { color: var(--violet); border-color: rgba(157,140,255,0.45); }
.spec-tag.fantasy { color: #f0c98a; border-color: rgba(240,201,138,0.4); }

.spec-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: #f0c98a;
  border: 1px solid rgba(240,201,138,0.35);
  background: rgba(240,201,138,0.06);
  padding: 8px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
}

/* ---------------- Page header (inner pages) ---------------- */
.page-hero {
  padding: 78px 0 52px;
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow {
  font-size: 11px; letter-spacing: 0.34em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.page-hero h1 {
  font-family: var(--serif);
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 18px;
}
.page-hero .deck {
  color: var(--text-soft);
  max-width: 680px;
  font-size: 16.5px;
}

/* ---------------- Levels overview ---------------- */
.level-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin: 34px 0 8px;
}
.level-cell {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
}
.level-cell .lvl {
  font-family: Georgia, serif;
  font-size: 19px;
  color: var(--violet);
  margin-bottom: 6px;
}
.level-cell .nm { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.level-cell .ds { font-size: 12px; color: var(--text-dim); line-height: 1.6; }

/* species list */
.species-list { display: flex; flex-direction: column; gap: 14px; }
.species-row {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.species-row:hover {
  border-color: rgba(157,140,255,0.4);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}
.species-row .sr-name {
  font-family: var(--serif);
  font-size: 21px;
  min-width: 220px;
  font-weight: 600;
}
.species-row .sr-tagline { flex: 1; font-size: 14px; color: var(--text-soft); }
.species-row .sr-arrow { color: var(--text-dim); font-size: 18px; }

/* frontier */
.frontier-line-block { margin-bottom: 54px; }
.frontier-line-head {
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.frontier-line-head h3 {
  font-family: var(--serif); font-size: 26px; font-weight: 600;
}
.frontier-line-head .en {
  font-size: 11px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--text-dim);
}
.frontier-line-head .desc { margin-left: auto; font-size: 13px; color: var(--text-dim); }

.signal-card {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-card);
  margin-bottom: 14px;
  transition: border-color 0.2s;
}
.signal-card:hover { border-color: var(--line-strong); }
.signal-card .sig-meta { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.signal-card h4 {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.5;
  margin-bottom: 12px;
  font-weight: 600;
}
.signal-card p { font-size: 14.5px; color: var(--text-soft); margin-bottom: 14px; }
.signal-card .sig-foot {
  display: flex; justify-content: space-between; gap: 14px;
  font-size: 12px; color: var(--text-dim);
  flex-wrap: wrap;
}
.signal-card .sig-foot a { color: var(--text-dim); border-bottom: 1px dotted var(--line-strong); }
.signal-card .sig-foot a:hover { color: var(--cyan); }

/* gear table */
.gear-table { display: flex; flex-direction: column; gap: 12px; }
.gear-row {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 22px 26px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: border-color 0.2s, transform 0.2s;
}
.gear-row:hover { border-color: rgba(95,230,212,0.35); transform: translateX(4px); }
.gear-row .gr-name { font-family: var(--serif); font-size: 19px; font-weight: 600; }
.gear-row .gr-name .cat { display: block; font-family: var(--sans); font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.gear-row .gr-body .one { font-size: 14px; margin-bottom: 6px; }
.gear-row .gr-body .why { font-size: 13px; color: var(--text-dim); }
.gear-row .gr-side { text-align: right; }
.gear-row .gr-side a { font-size: 12.5px; color: var(--cyan); display: block; margin-bottom: 8px; }

/* ---------------- Article ---------------- */
.article {
  max-width: var(--reading);
  margin: 0 auto;
  padding: 64px 0 40px;
}
.article .art-meta {
  text-align: center;
  margin-bottom: 46px;
}
.article .art-meta .kicker {
  font-size: 11px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
.article .art-meta h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 12px;
}
.article .art-meta .subtitle { color: var(--text-soft); font-size: 15.5px; margin-bottom: 16px; }
.article .art-meta .byline { font-size: 12.5px; color: var(--text-dim); letter-spacing: 0.06em; }

.article-body h2 {
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 600;
  margin: 44px 0 18px;
  letter-spacing: 0.01em;
}
.article-body p {
  margin-bottom: 22px;
  font-size: 16.5px;
  line-height: 1.9;
  color: #d6d6e4;
}
.article-body blockquote {
  margin: 30px 0;
  padding: 22px 26px;
  border-left: 2px solid var(--violet);
  background: var(--glow-violet);
  border-radius: 0 12px 12px 0;
  font-size: 15.5px;
  color: var(--text);
  line-height: 1.85;
}

.art-sources {
  max-width: var(--reading);
  margin: 0 auto;
  padding: 34px 0 50px;
  border-top: 1px solid var(--line);
}
.art-sources h3 {
  font-family: var(--serif); font-size: 18px; margin-bottom: 16px; color: var(--text-soft);
}
.art-sources ol { list-style: none; counter-reset: src; }
.art-sources li { margin-bottom: 10px; font-size: 13.5px; counter-increment: src; }
.art-sources li::before { content: "[" counter(src) "] "; color: var(--text-dim); }
.art-sources a { color: var(--text-soft); border-bottom: 1px dotted var(--line-strong); word-break: break-all; }
.art-sources a:hover { color: var(--cyan); }

.art-nav {
  max-width: var(--reading);
  margin: 0 auto;
  padding: 26px 0 60px;
  display: flex; justify-content: space-between; gap: 14px;
  font-size: 13.5px; color: var(--text-dim);
}
.art-nav a:hover { color: var(--cyan); }

/* issue */
.issue-preface {
  max-width: var(--reading);
  margin: 0 auto 54px;
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 2;
  color: var(--text-soft);
  white-space: pre-line;
}
.issue-block { max-width: 820px; margin: 0 auto 56px; }
.issue-block h2 {
  font-family: var(--serif); font-size: 24px; margin-bottom: 22px;
  padding-bottom: 12px; border-bottom: 1px solid var(--line);
}
.issue-block ul { list-style: none; }
.issue-block li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--text-soft);
  display: flex; gap: 12px;
}
.issue-block li .li-tag {
  font-size: 11px; color: var(--cyan);
  letter-spacing: 0.08em; min-width: 64px; padding-top: 4px;
}
.issue-block li a { color: var(--text); }
.issue-block li a:hover { color: var(--cyan); }
.issue-block li .dim { color: var(--text-dim); font-size: 12.5px; }

/* about */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; margin-top: 40px; }
.about-block h3 { font-family: var(--serif); font-size: 20px; margin-bottom: 14px; }
.about-block p { color: var(--text-soft); font-size: 15px; margin-bottom: 14px; }
.about-block ul { list-style: none; }
.about-block li { color: var(--text-soft); font-size: 14.5px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.about-block li strong { color: var(--text); font-family: var(--serif); }

/* update mechanism */
.flow-banner {
  margin-top: 44px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-soft));
  display: flex; gap: 30px; align-items: center;
}
.flow-banner .big {
  font-family: var(--serif); font-size: 44px; color: var(--violet);
  white-space: nowrap;
}
.flow-banner p { font-size: 14.5px; color: var(--text-soft); }

/* issue summary card on home */
.issue-summary {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  align-items: center;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(600px 300px at 90% 0%, var(--glow-violet), transparent 60%),
    var(--bg-card);
}
.issue-summary .iss-no {
  font-size: 12px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--cyan);
}
.issue-summary h3 {
  font-family: var(--serif); font-size: 30px; margin: 12px 0; font-weight: 600;
}
.issue-summary p { color: var(--text-soft); font-size: 14.5px; margin-bottom: 20px; }
.issue-summary .statline { display: flex; gap: 24px; font-size: 13px; color: var(--text-dim); }
.issue-summary .statline b { display: block; font-family: var(--serif); font-size: 26px; color: var(--text); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 14px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  transition: all 0.2s;
}
.btn:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 24px -6px var(--cyan); }
.btn.primary {
  background: linear-gradient(90deg, rgba(95,230,212,0.14), rgba(157,140,255,0.18));
  border-color: rgba(157,140,255,0.4);
}

/* latest update list */
.update-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.update-item {
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-card);
  font-size: 14px;
  display: flex; justify-content: space-between; gap: 14px;
}
.update-item .d { color: var(--text-dim); font-size: 12.5px; white-space: nowrap; }

/* ---------------- Footer ---------------- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}
.site-footer .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 54px 28px 34px;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 36px;
}
.footer-brand .cn { font-family: var(--serif); font-size: 20px; font-weight: 600; }
.footer-brand .slogan-en {
  font-family: Georgia, serif; font-style: italic; color: var(--violet);
  margin: 8px 0 12px; font-size: 14px;
}
.footer-brand p { font-size: 13px; color: var(--text-dim); max-width: 340px; }

.footer-col h5 {
  font-size: 11px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 16px;
}
.footer-col a { display: block; font-size: 13.5px; color: var(--text-soft); padding: 5px 0; }
.footer-col a:hover { color: var(--cyan); }

.copyright {
  border-top: 1px solid var(--line);
  padding: 22px 28px;
  max-width: var(--max);
  margin: 0 auto;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-dim);
}

/* ---------------- 404 ---------------- */
.error-page {
  min-height: 70vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 60px 24px;
}
.error-page .code {
  font-family: Georgia, serif; font-size: 120px; line-height: 1;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.error-page h1 { font-family: var(--serif); font-size: 26px; margin: 16px 0 12px; }
.error-page p { color: var(--text-soft); margin-bottom: 28px; }

/* ---------------- Species profile ---------------- */
.profile-block { margin-bottom: 40px; }
.pb-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, var(--cyan), var(--violet)) 1;
}
.pb-text { color: var(--text-soft); font-size: 15.5px; line-height: 1.9; }
.pb-text p { margin: 0 0 10px 0; }
.pb-text p:last-child { margin-bottom: 0; }
.pb-text strong { color: var(--text); font-weight: 600; }

.bullet-list { list-style: none; }
.bullet-list li {
  position: relative;
  padding: 9px 0 9px 24px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
  border-bottom: 1px dashed var(--line);
}
.bullet-list li::before {
  content: "✦";
  position: absolute;
  left: 2px;
  top: 9px;
  font-size: 11px;
  color: var(--cyan);
}
.bullet-list li:last-child { border-bottom: none; }

.timeline-list { list-style: none; }
.timeline-list li {
  position: relative;
  padding: 0 0 22px 28px;
  border-left: 1px solid var(--line-strong);
  margin-left: 6px;
}
.timeline-list li::before {
  content: "";
  position: absolute;
  left: -5px; top: 4px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 10px var(--violet);
}
.timeline-list li:last-child { padding-bottom: 0; }
.tl-date {
  display: block;
  font-family: Georgia, serif;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  margin-bottom: 4px;
}
.tl-event { font-size: 14.5px; color: var(--text-soft); line-height: 1.8; }

/* 架构图 / 代码块 */
.arch-diagram {
  margin-top: 22px;
  padding: 20px 24px;
  background: rgba(15, 20, 40, 0.72);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  color: #c8d3e8;
  overflow-x: auto;
  white-space: pre;
}
.arch-diagram .arch-row { white-space: pre; }

/* 真实任务场景：步骤列表 */
.sc-steps {
  list-style: none;
  counter-reset: sc-step;
  margin: 0;
  padding: 0;
}
.sc-step {
  position: relative;
  padding: 14px 16px 14px 54px;
  margin-bottom: 10px;
  background: rgba(20, 28, 52, 0.55);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.8;
  counter-increment: sc-step;
}
.sc-step::before {
  content: counter(sc-step);
  position: absolute;
  left: 16px;
  top: 14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #0b0e1f;
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sc-note {
  margin-top: 14px;
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim, #8a94a8);
  font-style: italic;
  border-top: 1px dashed var(--line);
}

/* 争议卡片 */
.profile-block + .profile-block .pb-title[data-kind="controversy"] {
  border-image: linear-gradient(180deg, #ffb86b, var(--violet)) 1;
}

.src-list { list-style: none; }
.src-list li { padding: 7px 0; font-size: 14px; }
.src-list a {
  color: var(--text-soft);
  border-bottom: 1px dotted var(--line-strong);
  word-break: break-all;
}
.src-list a:hover { color: var(--cyan); }

/* =========================================================
   v2 新增：品牌全称行 / 手记系列 / 面包屑
   ========================================================= */

/* header 品牌（含“思诺”） */
.brand .cn { font-size: 17px; letter-spacing: 0.03em; white-space: nowrap; }

/* 首页 hero 三层品牌 */
.hero h1 { font-size: clamp(28px, 5.6vw, 54px); }
.hero .fullname-en {
  margin-top: 18px;
  font-size: clamp(15px, 2.4vw, 22px);
  letter-spacing: 0.26em;
  color: var(--text-soft);
  font-weight: 500;
}
.hero .slogan { margin-top: 20px; }

/* 关于页 hero 全称行（低调随名） */
.fullname-en.page {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}
.slogan-standalone {
  margin-top: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 2.6vw, 26px);
  font-style: italic;
  letter-spacing: 0.05em;
  color: var(--violet);
}

/* 手记首页署名行 */
.page-attribution {
  margin-top: 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* 连载节奏说明 */
.cadence-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

/* ---------------- 手记首页：系列卡片 ---------------- */
.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.series-card {
  display: flex;
  flex-direction: column;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.series-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
  box-shadow: 0 18px 50px -30px var(--glow-violet);
}
.sc-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.series-card h3 {
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 600;
}
.sc-count {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.sc-q {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--violet);
  margin-bottom: 10px;
}
.sc-claim {
  font-size: 13.5px;
  color: var(--text-soft);
  margin-bottom: 22px;
}
.sc-latest {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.sc-latest-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}
.sc-latest-title { font-size: 14px; color: var(--text); }
.sc-latest-date { margin-left: auto; font-size: 12px; color: var(--text-dim); }
.series-card .go { margin-top: 16px; font-size: 13px; color: var(--text-dim); }

/* ---------------- 系列主页 ---------------- */
.series-question {
  margin-top: 18px;
  font-family: var(--serif);
  font-size: clamp(18px, 2.6vw, 24px);
  color: var(--violet);
}
.series-claim {
  margin-top: 12px;
  font-size: 15px;
  color: var(--text-soft);
}
.series-tone {
  margin: 20px auto 0;
  max-width: 720px;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.9;
}
.series-count {
  margin-top: 22px;
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid rgba(95, 230, 212, 0.35);
  border-radius: 999px;
  padding: 6px 16px;
}

/* 置顶总纲卡 */
.opening-card {
  display: block;
  padding: 32px;
  background: linear-gradient(135deg, var(--bg-card), var(--bg-soft));
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  transition: border-color 0.2s, transform 0.2s;
}
.opening-card:hover { border-color: rgba(157, 140, 255, 0.5); transform: translateY(-2px); }
.oc-label {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.opening-card h3 { font-family: var(--serif); font-size: 26px; margin-bottom: 10px; }
.oc-sub { font-size: 14px; color: var(--text-soft); margin-bottom: 18px; }
.oc-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.oc-tags .spec-tag { margin-right: 0; }
.oc-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: var(--text-dim);
}
.oc-foot .go { color: var(--text-dim); }

/* 文章流 */
.episode-list { display: flex; flex-direction: column; }
.episode-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 4px;
  border-bottom: 1px dashed var(--line);
  transition: background 0.2s;
}
.episode-row:hover .ep-title { color: var(--cyan); }
.ep-no {
  font-family: Georgia, serif;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--violet);
  min-width: 52px;
  padding-top: 3px;
}
.ep-main { display: flex; flex-direction: column; gap: 7px; flex: 1; min-width: 0; }
.ep-title { font-family: var(--serif); font-size: 18px; color: var(--text); }
.ep-one { font-size: 13px; color: var(--text-dim); }
.ep-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.ep-tags .spec-tag { margin-right: 0; }
.ep-date { font-size: 12px; color: var(--text-dim); white-space: nowrap; padding-top: 4px; }

/* ---------------- 文章：面包屑 / 标签行 ---------------- */
.breadcrumb {
  max-width: var(--reading);
  margin: 0 auto;
  padding: 26px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb em { font-style: normal; color: var(--violet); }

.art-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}
.art-tags .spec-tag { margin-right: 0; }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .level-strip { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .gear-row { grid-template-columns: 1fr; gap: 12px; }
  .gear-row .gr-side { text-align: left; }
  .issue-summary { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .site-footer .inner { grid-template-columns: 1fr 1fr; }
  .species-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  .species-row .sr-name { min-width: 0; }
  .frontier-line-head .desc { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap, .site-header .inner { padding-left: 18px; padding-right: 18px; }
  .hero { padding: 60px 0 30px; }
  .page-hero { padding: 52px 0 38px; }
  .section { padding: 44px 0; }

  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(12, 12, 22, 0.97);
    border-bottom: 1px solid var(--line);
    padding: 8px 18px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; padding: 13px 0; border-bottom: 1px solid var(--line); }
  .main-nav a:last-child { border-bottom: none; }

  .card-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .series-grid { grid-template-columns: 1fr; }
  .brand .cn { font-size: 15px; }
  .episode-row { flex-wrap: wrap; gap: 8px 12px; }
  .ep-date { width: 100%; padding-top: 0; }
  .update-list { grid-template-columns: 1fr; }
  .site-footer .inner { grid-template-columns: 1fr; gap: 28px; }
  .flow-banner { flex-direction: column; align-items: flex-start; gap: 14px; padding: 28px; }
  .issue-summary { padding: 28px; }
  .article-body p { font-size: 16px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* =========================================================
   v3 新增：装备深度内容（展开/收起）
   ========================================================= */
.gear-row.has-deep .gear-deep-content {
  display: none;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.gear-row.has-deep.expanded .gear-deep-content {
  display: block;
}
.gear-deep-section {
  margin-bottom: 14px;
}
.gear-deep-section:last-child {
  margin-bottom: 0;
}
.gear-deep-section h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  margin: 0 0 6px 0;
  letter-spacing: 0.02em;
}
.gear-deep-section p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  margin: 0;
}
.gear-toggle {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.gear-toggle:hover {
  background: var(--cyan);
  color: var(--bg);
}
.gear-row.has-deep.expanded .gear-toggle {
  background: var(--cyan);
  color: var(--bg);
}

/* ===== 手记二级页：双栏文章列表 ===== */
.series-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.series-section {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px 20px;
}

.ss-header h3 {
  font-family: var(--serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 6px;
}
.ss-header h3 a {
  color: #fff;
  text-decoration: none;
}
.ss-header h3 a:hover {
  color: var(--cyan);
}

.ss-question {
  font-size: 14px;
  color: var(--cyan);
  font-style: italic;
  margin: 0 0 20px;
  line-height: 1.6;
}

.article-item {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-item:last-child {
  border-bottom: none;
}

.ai-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.ai-episode {
  font-size: 11px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ai-date {
  font-size: 11px;
  color: var(--text-dim);
}

.ai-title {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: #e0e0e0;
  text-decoration: none;
  line-height: 1.5;
  margin-bottom: 6px;
}
.ai-title:hover {
  color: var(--cyan);
}

.ai-snippet {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.65;
  margin: 0;
}

.more-articles {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  padding: 8px 0;
}
.more-articles:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .series-columns {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}