:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --bg-2: #111111;
  --panel: #151515;
  --panel-2: #1b1b1b;
  --text: #e8e8e8;
  --muted: #9a9a9a;
  --line: rgba(232, 232, 232, 0.14);
  --gold: #c8a84b;
  --gold-soft: rgba(200, 168, 75, 0.18);
  --red: #e03030;
  --red-soft: rgba(224, 48, 48, 0.18);
  --green: #3fbf72;
  --green-soft: rgba(63, 191, 114, 0.16);
  --purple: #7d5cff;
  --purple-soft: rgba(125, 92, 255, 0.16);
  --blue: #43546b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  letter-spacing: 0;
}

body,
button,
a {
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
}

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
  padding: 0 36px;
  border-bottom: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(16px);
}

.brand,
.site-header nav,
.header-cta,
.eyebrow,
h1,
h2 {
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: #f4f0e4;
  white-space: nowrap;
}

.brand-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 0 18px rgba(200, 168, 75, 0.35);
}

.brand-mark {
  width: 16px;
  height: 16px;
  border: 1px solid var(--gold);
  background:
    linear-gradient(90deg, transparent 45%, var(--gold) 45% 55%, transparent 55%),
    linear-gradient(0deg, transparent 45%, var(--gold) 45% 55%, transparent 55%);
  box-shadow: 0 0 18px rgba(200, 168, 75, 0.35);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #bdbdbd;
  font-size: 13px;
}

.site-header nav a:hover {
  color: var(--gold);
}

.header-cta {
  cursor: pointer;
  padding: 9px 16px;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--gold);
  font-size: 13px;
}

.section {
  padding: 112px 0;
}

.section-dark {
  background: var(--bg);
}

.section-alt {
  background: var(--bg-2);
}

.section-lined {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 84px;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  position: relative;
  display: flex;
  min-height: 92vh;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 92px;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  opacity: 0.58;
  filter: blur(1px);
  transform: scale(1.02);
}

.hero-shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: blur(7px) saturate(0.9);
  transform: scale(1.04);
}

.hero-overlay {
  background:
    radial-gradient(circle at center, rgba(10, 10, 10, 0.1), rgba(10, 10, 10, 0.92) 68%),
    linear-gradient(180deg, rgba(10, 10, 10, 0.15), var(--bg));
}

.terminal-window {
  position: absolute;
  left: 50%;
  top: 52%;
  width: min(1080px, 92vw);
  height: 560px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(232, 232, 232, 0.16);
  background: rgba(16, 16, 16, 0.95);
  box-shadow: 0 24px 100px rgba(0, 0, 0, 0.8);
}

.hero-bg .terminal-window {
  display: none;
}

.terminal-bar {
  display: flex;
  gap: 8px;
  height: 36px;
  align-items: center;
  padding-left: 16px;
  border-bottom: 1px solid var(--line);
}

.terminal-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #555;
}

.chart-grid {
  position: relative;
  height: 360px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 70px 54px;
}

.candle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 10px;
  height: var(--h);
}

.candle::before {
  content: "";
  position: absolute;
  left: 4px;
  top: -18px;
  bottom: -18px;
  width: 1px;
  background: currentColor;
}

.candle.red {
  color: var(--red);
  background: var(--red);
}

.candle.green {
  color: var(--green);
  background: var(--green);
}

.zone {
  position: absolute;
  height: 42px;
  padding: 10px 12px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: rgba(200, 168, 75, 0.12);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 12px;
}

.zone-gold {
  left: 12%;
  top: 32%;
  width: 190px;
}

.zone-red {
  right: 18%;
  top: 20%;
  width: 160px;
  border-color: var(--red);
  color: var(--red);
  background: rgba(224, 48, 48, 0.12);
}

.zone-purple {
  left: 45%;
  bottom: 18%;
  width: 180px;
  border-color: var(--purple);
  color: #bcaeff;
  background: rgba(125, 92, 255, 0.14);
}

.signal-tag {
  position: absolute;
  right: 9%;
  bottom: 13%;
  padding: 8px 12px;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: rgba(0, 0, 0, 0.58);
  font-size: 13px;
}

.sub-chart {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  height: 160px;
  padding: 22px 42px;
  border-top: 1px solid var(--line);
}

.sub-chart .bar {
  flex: 1;
  max-width: 56px;
  min-height: 22px;
}

.strong-up {
  height: 82%;
  background: var(--red);
}

.weak-up {
  height: 52%;
  background: rgba(224, 48, 48, 0.48);
}

.strong-down {
  height: 70%;
  background: var(--green);
}

.weak-down {
  height: 42%;
  background: rgba(63, 191, 114, 0.48);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: 12px;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: #5f4f22;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 26px;
  color: #fffaf0;
  font-size: clamp(44px, 7vw, 86px);
  line-height: 1.08;
  font-weight: 700;
}

.hero-subtitle {
  margin: 0 auto 20px;
  color: #d8d1c3;
  font-size: clamp(17px, 2.1vw, 23px);
  line-height: 1.75;
}

.hero-copy {
  margin: 0 auto 34px;
  color: #bfbfbf;
  font-size: 16px;
  line-height: 1.9;
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-width: 142px;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  padding: 12px 22px;
  font-weight: 700;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.button-primary {
  border-color: var(--gold);
  background: var(--gold);
  color: #0d0d0d;
}

.button-primary:hover {
  box-shadow: 0 0 24px rgba(200, 168, 75, 0.28);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.button-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.next-hint {
  position: absolute;
  bottom: 24px;
  z-index: 2;
  color: #7d7d7d;
  font-size: 12px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.pain-card {
  min-height: 210px;
  padding: 28px;
  background: #0d0d0d;
  transition: background 180ms ease, box-shadow 180ms ease;
}

.pain-card:hover {
  background: #121212;
  box-shadow: inset 0 0 0 1px rgba(200, 168, 75, 0.28);
}

.line-icon {
  display: block;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border: 1px solid rgba(200, 168, 75, 0.6);
  background:
    linear-gradient(135deg, transparent 45%, var(--gold) 46% 54%, transparent 55%),
    linear-gradient(90deg, rgba(200, 168, 75, 0.18), transparent);
}

.line-icon.sweep {
  border-color: rgba(224, 48, 48, 0.7);
  background:
    linear-gradient(45deg, transparent 42%, var(--red) 43% 49%, transparent 50%),
    linear-gradient(135deg, transparent 56%, var(--red) 57% 63%, transparent 64%);
}

.line-icon.volume {
  background:
    linear-gradient(90deg, transparent 10%, var(--gold) 10% 18%, transparent 18% 28%, var(--gold) 28% 42%, transparent 42% 52%, var(--gold) 52% 72%, transparent 72%);
}

.line-icon.clock {
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 48%, var(--gold) 49% 53%, transparent 54%),
    linear-gradient(0deg, transparent 48%, var(--gold) 49% 53%, transparent 54%);
}

.line-icon.hold {
  background:
    linear-gradient(0deg, transparent 40%, var(--gold) 41% 48%, transparent 49%),
    linear-gradient(90deg, transparent 20%, var(--gold) 21% 28%, transparent 29% 60%, var(--gold) 61% 68%, transparent 69%);
}

.line-icon.noise {
  border-color: rgba(125, 92, 255, 0.7);
  background:
    linear-gradient(135deg, transparent 20%, var(--purple) 21% 25%, transparent 26% 45%, var(--purple) 46% 50%, transparent 51% 70%, var(--purple) 71% 75%, transparent 76%);
}

.pain-card h3,
.module-card h3,
.fit-card h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.pain-card p,
.module-card p,
.fit-card li,
.plain-copy p,
.signal-row p,
.timeline p,
.delivery-copy p,
.risk-box p {
  color: #b8b8b8;
  line-height: 1.82;
}

.compliance-note {
  margin: 30px 0 0;
  padding: 18px 22px;
  border-left: 2px solid var(--gold);
  background: rgba(200, 168, 75, 0.08);
  color: #d8d1c3;
  line-height: 1.85;
}

.compliance-note.compact {
  margin-top: 18px;
  font-size: 14px;
}

.section-disclaimer {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
  opacity: 0.82;
}

.definition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.definition-col {
  padding: 34px;
  background: var(--panel);
}

.definition-col h3 {
  margin-bottom: 24px;
  font-size: 24px;
}

.definition-col ul,
.fit-card ul,
.delivery-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.definition-col li,
.fit-card li,
.delivery-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-top: 1px solid var(--line);
}

.definition-col li::before,
.fit-card li::before,
.delivery-list li::before {
  position: absolute;
  left: 0;
  color: var(--gold);
}

.definition-col.muted {
  color: #979797;
}

.definition-col.muted li::before {
  content: "×";
  color: #6d6d6d;
}

.definition-col.highlighted {
  background: linear-gradient(180deg, rgba(200, 168, 75, 0.08), var(--panel));
}

.definition-col.highlighted li::before {
  content: "✓";
}

.plain-copy {
  margin-top: 28px;
  padding: 28px 34px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
}

.plain-copy p:last-child {
  margin-bottom: 0;
}

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

.module-card {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

.module-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
}

.red-top::before {
  background: var(--red);
}

.gold-top::before {
  background: var(--gold);
}

.purple-top::before {
  background: var(--purple);
}

.module-visual {
  position: relative;
  height: 190px;
  margin: -4px -4px 22px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    #0b0b0b;
  background-size: 44px 34px;
}

.visual-slot {
  position: relative;
  margin: -4px -4px 22px;
}

.visual-slot .module-visual {
  margin: 0;
}

.module-img {
  display: none;
  width: 100%;
  height: 190px;
  border: 1px solid var(--line);
  object-fit: cover;
  object-position: center top;
  background: #0b0b0b;
}

.module-img[data-config-image="main"] {
  object-position: center center;
  height: 150px;
}

.module-img[data-config-image="momentum"] {
  object-position: center center;
  height: 150px;
}

.module-img[data-config-image="time"] {
  object-position: center center;
  height: 96px;
}

.module-img.has-src {
  display: block;
}

.module-img.has-src + .module-visual {
  display: none;
}

.demo-badge {
  position: absolute;
  z-index: 4;
  right: 10px;
  top: 10px;
  padding: 4px 7px;
  border: 1px solid rgba(232, 232, 232, 0.24);
  background: rgba(0, 0, 0, 0.58);
  color: rgba(232, 232, 232, 0.72);
  font-size: 11px;
  line-height: 1;
}

.real-badge {
  position: absolute;
  z-index: 5;
  right: 10px;
  top: 10px;
  display: none;
  padding: 4px 7px;
  border: 1px solid rgba(200, 168, 75, 0.38);
  background: rgba(0, 0, 0, 0.62);
  color: #e8dba8;
  font-size: 11px;
  line-height: 1;
}

.visual-slot.has-real-image .real-badge {
  display: block;
}

/* 终端外壳激活时，把"真实界面截图"角标移到左下，避开右上的 LIVE 灯 */
.visual-slot.has-real-image .real-badge,
.signal-screen.has-real-image .signal-real-badge {
  top: auto;
  right: auto;
  bottom: 10px;
  left: 10px;
}

/* ===== 终端外壳（仅在显示真实截图时生效） ===== */
.terminal-bar {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 22px 9px 13px;
  background: linear-gradient(180deg, #0c1018, #070a10);
  border: 1px solid rgba(120, 150, 200, 0.16);
  border-bottom: none;
  border-radius: 13px 13px 0 0;
}

.visual-slot.has-real-image .terminal-bar,
.signal-screen.has-real-image .terminal-bar {
  display: flex;
}

.terminal-bar .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #353a44;
}
.terminal-bar .dot:nth-child(2) { background: #2f333b; }
.terminal-bar .dot:nth-child(3) { background: #2a2e36; }

.terminal-title {
  margin-left: 6px;
  min-width: 0;
  flex-shrink: 1;
  color: #9fb0c8;
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 12px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-live {
  margin-left: auto;
  margin-right: 6px;
  padding: 2px 6px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 4px;
  background: rgba(95, 224, 160, 0.10);
  color: #5fe0a0;
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 9.5px;
  letter-spacing: 0.02em;
  opacity: 0.95;
  white-space: nowrap;
}

.terminal-live .live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5fe0a0;
  box-shadow: 0 0 6px rgba(95, 224, 160, 0.8);
}

/* 真实截图时，给整个 slot 套圆角玻璃发光边 */
.visual-slot.has-real-image,
.signal-screen.has-real-image {
  margin-left: 0;
  margin-right: 0;
  border-radius: 14px;
  box-shadow:
    0 18px 46px -22px rgba(0, 0, 0, 0.9),
    0 0 36px -14px rgba(90, 130, 200, 0.28);
  overflow: hidden;
}

.visual-slot.has-real-image .module-img {
  border: 1px solid rgba(120, 150, 200, 0.16);
  border-top: none;
  border-radius: 0 0 13px 13px;
  filter: contrast(1.05) saturate(1.06) brightness(1.02);
}

.signal-screen.has-real-image .signal-real-img {
  filter: contrast(1.05) saturate(1.06) brightness(1.02);
}

.main-panel i,
.momentum-panel i {
  position: absolute;
  bottom: 24px;
  left: var(--l);
  width: 9px;
  height: var(--h);
  background: var(--red);
}

.main-panel i:nth-of-type(2n),
.momentum-panel .down {
  background: var(--green);
}

.mini-zone {
  position: absolute;
  left: 16px;
  top: 18px;
  padding: 5px 8px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 11px;
}

.mini-zone.red {
  left: auto;
  right: 18px;
  top: 56px;
  border-color: var(--red);
  color: var(--red);
}

.mini-zone.purple {
  left: 42%;
  top: 112px;
  border-color: var(--purple);
  color: #bcaeff;
}

.money-line {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 48%;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(200, 168, 75, 0.28);
}

.momentum-panel .soft {
  opacity: 0.5;
}

.state {
  position: absolute;
  padding: 4px 6px;
  border: 1px solid currentColor;
  background: rgba(0, 0, 0, 0.55);
}

.state-watch {
  left: 16px;
  top: 18px;
  color: var(--gold);
}

.state-down {
  right: 68px;
  top: 38px;
  color: var(--red);
}

.state-back {
  right: 18px;
  bottom: 24px;
  color: #bdbdbd;
}

.time-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 0;
  background: #060606;
}

.time-panel span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 12px;
  color: #d8d8d8;
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 12px;
  text-align: center;
}

.time-panel span:nth-child(1) {
  background: rgba(67, 84, 107, 0.5);
}

.time-panel span:nth-child(2) {
  background: rgba(33, 100, 69, 0.5);
}

.time-panel span:nth-child(3) {
  background: rgba(68, 45, 96, 0.5);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.tag-row span {
  padding: 5px 9px;
  border: 1px solid rgba(200, 168, 75, 0.28);
  color: var(--gold);
  font-size: 12px;
}

.small-warning {
  padding: 14px;
  border: 1px solid rgba(200, 168, 75, 0.2);
  background: rgba(200, 168, 75, 0.07);
  font-size: 14px;
}

.inline-note {
  margin-top: 14px;
  border: 1px solid rgba(200, 168, 75, 0.2);
  background: rgba(200, 168, 75, 0.06);
}

.inline-note summary {
  cursor: pointer;
  padding: 12px 14px;
  color: var(--gold);
  font-size: 14px;
}

.inline-note p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 13px;
}

.signal-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: start;
}

/* 左列：空头 / 多头两张真实截图上下堆叠，与右侧信号表对称 */
.signal-screen-stack {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.signal-screen {
  position: relative;
  border: 1px solid var(--line);
  background: #080808;
  padding: 20px;
}

.signal-real-img {
  display: none;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: contain;
  filter: saturate(0.96);
}

.signal-real-img.has-src {
  display: block;
}

/* 真实信号图自带面板标签，浮动 callout 会与之冲突，显示真实图时隐藏 callout */
.signal-screen.has-real-image .signal-callouts {
  display: none;
}

.signal-screen.has-real-image .signal-screen-grid {
  display: none;
}

.signal-badge {
  right: 30px;
  top: 30px;
}

.signal-screen.has-real-image .signal-badge {
  display: none;
}

.signal-real-badge {
  right: 30px;
  top: 30px;
}

.signal-screen.has-real-image .signal-real-badge {
  display: block;
}

.signal-callouts {
  display: none;
}

.callout {
  position: absolute;
  padding: 6px 9px;
  border: 1px solid var(--gold);
  background: rgba(0, 0, 0, 0.72);
  color: #f1e1a0;
  font-size: 12px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.45);
}

.callout::after {
  content: "";
  position: absolute;
  width: 36px;
  height: 1px;
  background: var(--gold);
}

.callout-k {
  left: 8%;
  top: 18%;
}

.callout-k::after {
  left: 100%;
  top: 50%;
}

.callout-zone {
  right: 9%;
  top: 22%;
}

.callout-zone::after {
  right: 100%;
  top: 50%;
}

.callout-time {
  left: 18%;
  top: 58%;
}

.callout-time::after {
  left: 100%;
  top: 50%;
}

.callout-momentum {
  right: 12%;
  bottom: 16%;
}

.callout-momentum::after {
  right: 100%;
  top: 50%;
}

.mobile-preview-section {
  display: none;
}

.mobile-preview-section.has-images {
  display: block;
}

.mobile-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 360px));
  gap: 24px;
  justify-content: center;
}

.mobile-preview-grid figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 12px;
}

.mobile-preview-grid img {
  display: block;
  width: 100%;
  height: clamp(280px, 32vw, 360px);
  object-fit: cover;
  object-position: center top;
  background: #0b0b0b;
}

.mobile-preview-grid figcaption {
  padding: 12px 4px 2px;
  color: #a8a8a8;
  font-size: 13px;
  text-align: center;
}

.signal-screen-grid {
  position: relative;
  height: 100%;
  min-height: 430px;
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    #0d0d0d;
  background-size: 54px 42px;
}

.label {
  position: absolute;
  z-index: 2;
  padding: 8px 10px;
  border: 1px solid currentColor;
  background: rgba(0, 0, 0, 0.7);
  font-size: 12px;
}

.label-k {
  left: 8%;
  top: 14%;
  color: var(--red);
}

.label-fvg {
  left: 42%;
  top: 24%;
  color: var(--gold);
}

.label-ob {
  right: 9%;
  top: 12%;
  color: var(--red);
}

.label-ifvg {
  left: 27%;
  bottom: 24%;
  color: #bcaeff;
}

.label-sweep {
  right: 14%;
  bottom: 18%;
  color: #d8d8d8;
}

.demo-candle {
  position: absolute;
  bottom: 80px;
  width: 11px;
  background: var(--red);
}

.demo-candle::before {
  content: "";
  position: absolute;
  left: 5px;
  top: -28px;
  bottom: -28px;
  width: 1px;
  background: currentColor;
}

.demo-candle.c1 {
  left: 16%;
  height: 84px;
  color: var(--red);
}

.demo-candle.c2 {
  left: 28%;
  height: 118px;
  color: var(--red);
}

.demo-candle.c3 {
  left: 42%;
  height: 72px;
  color: var(--green);
  background: var(--green);
}

.demo-candle.c4 {
  left: 57%;
  height: 138px;
  color: var(--red);
}

.demo-candle.c5 {
  left: 72%;
  height: 92px;
  color: var(--green);
  background: var(--green);
}

.demo-band {
  position: absolute;
  height: 42px;
  border: 1px solid currentColor;
  background: rgba(255, 255, 255, 0.04);
}

.band-a {
  left: 34%;
  top: 34%;
  width: 170px;
  color: var(--gold);
}

.band-b {
  right: 10%;
  top: 27%;
  width: 130px;
  color: var(--red);
}

.band-c {
  left: 20%;
  bottom: 22%;
  width: 160px;
  color: var(--purple);
}

.signal-table {
  display: grid;
  gap: 12px;
}

.signal-row {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.signal-row b {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
}

.signal-row p {
  margin-bottom: 0;
}

.observe-detail {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.observe-detail summary {
  cursor: pointer;
  padding-top: 12px;
  color: var(--gold);
  font-size: 13px;
}

.observe-detail p {
  margin-top: 8px;
  font-size: 13px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.timeline li {
  min-height: 240px;
  padding: 28px;
  background: #0d0d0d;
}

.timeline span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
}

.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.fit-card {
  padding: 32px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.fit-yes {
  border-left: 2px solid var(--green);
}

.fit-no {
  border-left: 2px solid var(--red);
}

.fit-yes li::before {
  content: "✓";
  color: var(--green);
}

.fit-no li::before {
  content: "×";
  color: var(--red);
}

.delivery-section {
  background: #d8d2c2;
  color: #111;
}

.delivery-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
}

.delivery-copy h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.2;
}

.delivery-copy p {
  color: #3e3b35;
}

.delivery-card {
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: #f2eddf;
  padding: 32px;
}

.delivery-list li {
  border-color: rgba(0, 0, 0, 0.12);
  color: #1d1b18;
}

.delivery-list li::before {
  content: "□";
  color: #5f4f22;
}

.price-line {
  display: none;
  margin: 28px 0 18px;
  padding: 18px;
  border: 1px solid rgba(0, 0, 0, 0.16);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 22px;
}

.price-line.has-value {
  display: block;
}


.pricing-box {
  margin: 28px 0 18px;
  padding: 20px;
  border: 1px solid rgba(0, 0, 0, 0.18);
  background: linear-gradient(135deg, rgba(17, 17, 17, 0.96), rgba(52, 43, 22, 0.94));
  color: #f8edce;
}

.pricing-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 13px;
  color: #d8bf72;
}

.pricing-head span {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 1px solid rgba(216, 191, 114, 0.46);
  color: #f3d36c;
}

.pricing-head strong {
  font-size: 14px;
  font-weight: 700;
  color: #fff4d0;
}

.pricing-countdown {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 0 16px;
  padding: 12px 14px;
  border: 1px solid rgba(246, 195, 68, 0.28);
  background: rgba(246, 195, 68, 0.08);
}

.countdown-title {
  font-size: 13px;
  color: #f4df9b;
  white-space: nowrap;
}

.countdown-clock {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
}

.countdown-clock span {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  min-width: 52px;
  justify-content: center;
  padding: 7px 8px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.countdown-clock strong {
  font-size: 20px;
  line-height: 1;
  color: #f6c344;
}

.countdown-clock em {
  font-style: normal;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.pricing-cycle-note {
  margin: -6px 0 16px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
  line-height: 1.6;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.pricing-plan {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.045);
}

.pricing-plan span {
  font-size: 14px;
  color: #e8d9b4;
}

.pricing-plan strong {
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1;
  color: #f6c344;
}

.pricing-plan em {
  position: absolute;
  right: 12px;
  top: 12px;
  font-size: 12px;
  font-style: normal;
  color: #111;
  background: #f6c344;
  padding: 4px 7px;
}

.pricing-plan-year {
  border-color: rgba(246, 195, 68, 0.48);
  background: rgba(246, 195, 68, 0.09);
}

@media (max-width: 640px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .pricing-countdown {
    align-items: flex-start;
    flex-direction: column;
  }

  .countdown-clock {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .countdown-clock span {
    min-width: 0;
    padding: 7px 4px;
  }
}
.dark-button {
  width: 100%;
  border-color: #111;
  background: #111;
  color: #f2eddf;
}

.faq-container {
  max-width: 900px;
}

.accordion {
  border: 1px solid var(--line);
  background: var(--line);
}

.accordion details {
  background: #0d0d0d;
}

.accordion details + details {
  margin-top: 1px;
}

.accordion summary {
  cursor: pointer;
  padding: 22px 24px;
  color: #f0f0f0;
  font-weight: 700;
  list-style: none;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  float: right;
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
}

.accordion details[open] summary::after {
  content: "–";
}

.accordion p {
  margin: 0;
  padding: 0 24px 24px;
  color: #bdbdbd;
  line-height: 1.82;
}

.risk-section {
  padding-top: 80px;
}

.risk-box {
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.035);
  padding: 34px;
}

.risk-box h2 {
  margin-bottom: 18px;
  font-size: 28px;
}

.risk-box p {
  font-size: 14px;
}

.footer-cta {
  padding: 96px 0 110px;
  text-align: center;
  border-top: 1px solid var(--line);
}

.footer-cta h2 {
  margin-bottom: 18px;
  font-size: clamp(32px, 5vw, 58px);
}

.footer-cta p {
  color: #d0d0d0;
  font-size: 18px;
}

.footer-cta small {
  display: block;
  margin-top: 28px;
  color: #8d8d8d;
}

.center {
  justify-content: center;
}

.site-footer {
  padding: 28px 20px 36px;
  text-align: center;
  border-top: 1px solid var(--line);
  background: #0c0c0c;
  color: #8d8d8d;
  font-size: 13px;
  line-height: 1.9;
}

.site-footer p {
  margin: 2px 0;
}

.site-footer .footer-brand {
  color: #c8c8c8;
}

.site-footer .footer-beian a {
  color: #9a9a9a;
  text-decoration: none;
}

.site-footer .footer-beian a:hover {
  color: var(--gold);
  text-decoration: underline;
}

.site-footer .footer-copy {
  color: #707070;
}

.mobile-sticky-cta {
  display: none;
}

.is-hidden {
  display: none !important;
}

.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.contact-modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  border: 1px solid rgba(200, 168, 75, 0.42);
  background: #111;
  color: var(--text);
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.72);
  padding: 30px;
  text-align: center;
}

.modal-content h2 {
  margin-bottom: 12px;
  font-size: 30px;
}

.modal-content p {
  color: #c6c6c6;
  line-height: 1.7;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #181818;
  color: var(--text);
  font-size: 22px;
  line-height: 1;
}

.qr-code {
  display: none;
  width: 220px;
  height: 220px;
  margin: 18px auto;
  border: 1px solid var(--line);
  object-fit: contain;
  background: #fff;
}

.qr-code.has-src {
  display: block;
}

.modal-link {
  display: none;
  width: 100%;
  margin-top: 18px;
}

.modal-link.has-link {
  display: inline-flex;
}

.modal-wechat {
  margin: 16px 0 0;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
}

.modal-qr-tip {
  margin: 8px 0 0;
  font-size: 13px;
  color: #9a9a9a;
}

.modal-copy {
  width: 100%;
  margin-top: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 20px;
  }

  .site-header nav {
    display: none;
  }

  .pain-grid,
  .module-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  .signal-layout,
  .delivery-layout {
    grid-template-columns: 1fr;
  }

  .timeline li {
    min-height: 210px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 60px;
  }

  .header-cta {
    display: none;
  }

  .container {
    width: min(100% - 32px, 1180px);
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    min-height: 88vh;
    padding: 96px 18px 88px;
  }

  h1 {
    font-size: 32px;
    line-height: 1.18;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .terminal-window {
    height: 500px;
    width: 1040px;
    left: 48%;
  }

  .pain-grid,
  .module-grid,
  .definition-grid,
  .fit-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .pain-card,
  .timeline li {
    min-height: auto;
  }

  .definition-col,
  .fit-card,
  .delivery-card,
  .risk-box {
    padding: 24px;
  }

  .signal-screen {
    min-height: 360px;
    padding: 12px;
  }

  .signal-screen-grid {
    min-height: 330px;
  }

  .signal-real-img {
    height: 330px;
  }

  .time-panel {
    grid-template-columns: 1fr;
  }

  .module-visual {
    height: 170px;
  }

  .module-img {
    height: 170px;
  }

  .mobile-preview-grid {
    grid-template-columns: 1fr;
  }

  .mobile-preview-grid img {
    height: 300px;
  }

  .accordion details {
    display: block;
  }

  .mobile-sticky-cta {
    display: none;
  }

  .footer-cta {
    padding-bottom: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   新增信任建设模块样式
   ============================================================ */

/* ── 作者区 ── */
.author-section { border-top: 1px solid var(--line); }

.author-layout {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  align-items: start;
}

.author-avatar { text-align: center; }

.author-logo {
  width: 122px;
  height: 122px;
  border-radius: 32px;
  object-fit: cover;
  border: 1px solid rgba(200, 168, 75, 0.55);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.55), 0 0 26px rgba(200, 168, 75, 0.2);
}

.avatar-placeholder {
  width: 108px;
  height: 108px;
  border-radius: 50%;
  margin: 0 auto 10px;
  border: 1px solid var(--line);
  background: #111;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--muted);
}

.avatar-hint {
  font-size: 11px;
  color: var(--muted);
  opacity: 0.6;
  margin: 0;
}

.author-quote {
  margin: 16px 0 20px;
  padding: 18px 20px;
  border-left: 2px solid var(--gold);
  background: rgba(200, 168, 75, 0.05);
}

.author-quote p {
  margin: 0;
  line-height: 1.85;
  font-size: 15px;
}

.philosophy-panel {
  display: grid;
  gap: 18px;
}

.philosophy-lead {
  color: #f3efe3;
}

.philosophy-lead strong {
  color: var(--gold);
  font-weight: 800;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.philosophy-card {
  min-height: 210px;
  padding: 16px;
  border: 1px solid rgba(200, 168, 75, 0.16);
  background: rgba(0, 0, 0, 0.2);
}

.philosophy-card span {
  display: inline-flex;
  margin-bottom: 12px;
  color: rgba(246, 195, 68, 0.82);
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
}

.philosophy-card h3 {
  margin-bottom: 8px;
  font-size: 16px;
  color: #fff4d0;
}

.philosophy-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.philosophy-rule {
  padding: 12px 14px;
  border: 1px solid rgba(246, 195, 68, 0.24);
  background: rgba(246, 195, 68, 0.07);
  color: #f3d36c;
  font-weight: 700;
}

.philosophy-fit {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.philosophy-fit span {
  padding-left: 12px;
  border-left: 1px solid rgba(200, 168, 75, 0.32);
}

.placeholder-text {
  color: var(--muted);
  font-style: italic;
  opacity: 0.7;
}

.author-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.version-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

@media (max-width: 768px) {
  .author-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .author-avatar { display: flex; align-items: center; gap: 16px; text-align: left; }
  .author-logo { width: 76px; height: 76px; border-radius: 20px; flex-shrink: 0; }
  .philosophy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .philosophy-grid { grid-template-columns: 1fr; }
  .philosophy-card { min-height: 0; }
}

/* ── 对比锚点表 ── */
.compare-table {
  margin-top: 32px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.compare-header,
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
}

.compare-header {
  background: #111;
  border-bottom: 1px solid var(--line);
}

.compare-header > div,
.compare-row > div {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.6;
  border-right: 1px solid var(--line);
}

.compare-header > div:last-child,
.compare-row > div:last-child { border-right: none; }

.compare-header > div {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.compare-row { border-bottom: 1px solid var(--line); }
.compare-row:last-child { border-bottom: none; }

.compare-row > div:nth-child(2) {
  color: var(--muted);
  font-size: 13px;
}

.row-label {
  color: #d8d8d8;
  font-size: 13px !important;
  font-weight: 500;
}

.highlight-col {
  background: rgba(200, 168, 75, 0.04);
  color: #d4b86a !important;
  font-size: 13px;
}

.compare-header .highlight-col {
  color: var(--gold) !important;
  background: rgba(200, 168, 75, 0.08);
}

.compare-disclaimer {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.75;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .compare-header,
  .compare-row { grid-template-columns: 1fr 1fr; }
  .compare-header > div:nth-child(2),
  .compare-row > div:nth-child(2) { display: none; }
  .compare-header > div:first-child,
  .compare-row > div:first-child { border-right: 1px solid var(--line); }
}

/* ── 真实反馈区 ── */
.reviews-section { background: var(--bg); }

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.review-card {
  border: 1px solid var(--line);
  background: #0e0e0e;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.review-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #d0d0d0;
  font-style: italic;
}
.review-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.review-source {
  color: var(--gold);
  opacity: 0.8;
}

.early-access-note {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid rgba(200, 168, 75, 0.25);
  background: rgba(200, 168, 75, 0.04);
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.early-access-note .eyebrow {
  margin: 0;
  flex-shrink: 0;
}

.early-access-note p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  flex: 1;
  min-width: 200px;
}

@media (max-width: 768px) {
  .reviews-grid { grid-template-columns: 1fr; }
  .early-access-note { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ── 使用门槛说明 ── */
.threshold-note {
  margin-top: 28px;
  padding: 18px 22px;
  border-left: 2px solid rgba(90, 130, 200, 0.4);
  background: rgba(90, 130, 200, 0.04);
}

.threshold-title {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}

.threshold-note p:not(.threshold-title) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.threshold-note strong { color: #d4d4d4; }

/* ── 诚实劝退 ── */
.honest-note {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  padding: 12px 14px;
  border: 1px solid rgba(200, 168, 75, 0.15);
  background: rgba(200, 168, 75, 0.03);
}

/* ── 版本记录 ── */
.version-record {
  color: var(--muted) !important;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px !important;
  opacity: 0.75;
  border-top: 1px solid var(--line);
  padding-top: 10px !important;
  margin-top: 4px;
}




/* 可拖动前后对比图 */
.section-compare {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(122, 73, 190, 0.22), transparent 34%),
    linear-gradient(180deg, #100d1d 0%, #0a0911 100%);
  border-top: 1px solid rgba(200, 168, 75, 0.18);
  border-bottom: 1px solid rgba(200, 168, 75, 0.18);
}

.compare-container {
  display: grid;
  gap: 28px;
}

.compare-heading {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.compare-stage {
  position: relative;
  display: grid;
  gap: 12px;
}

.image-compare {
  --split: 50%;
  position: relative;
  overflow: hidden;
  width: min(1160px, 100%);
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(165, 115, 255, 0.38);
  border-radius: 16px;
  background: #030303;
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.46), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  isolation: isolate;
}

.compare-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  user-select: none;
}

.compare-img-after {
  z-index: 1;
  filter: saturate(1.08) contrast(1.04) brightness(1.02);
}

.compare-img-before {
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
  filter: grayscale(1) contrast(0.78) brightness(0.42) blur(0.3px);
}

.compare-vignette {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(0,0,0,0.22), transparent 42%, rgba(30, 12, 62, 0.18));
}

.compare-label {
  position: absolute;
  z-index: 4;
  top: 28px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.62);
  pointer-events: none;
}

.compare-label-before {
  left: 26px;
  color: rgba(255, 255, 255, 0.62);
}

.compare-label-after {
  right: 26px;
  color: #b35cff;
}

.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split);
  z-index: 5;
  width: 1px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.66), 0 0 42px rgba(147, 92, 255, 0.5);
  pointer-events: none;
}

.compare-handle {
  position: absolute;
  left: clamp(27px, var(--split), calc(100% - 27px));
  top: 50%;
  z-index: 6;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  background: rgba(18, 16, 31, 0.88);
  color: #fff;
  font-size: 24px;
  letter-spacing: 2px;
  box-shadow: 0 0 0 8px rgba(147, 92, 255, 0.12), 0 14px 36px rgba(0,0,0,0.38);
  pointer-events: none;
}

.compare-range {
  position: absolute;
  inset: 0;
  z-index: 7;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
}

.compare-tip {
  justify-self: center;
  z-index: 8;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.58);
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  pointer-events: none;
}

.image-compare:focus-within .compare-handle {
  box-shadow: 0 0 0 10px rgba(200, 168, 75, 0.18), 0 14px 36px rgba(0,0,0,0.38);
}

@media (max-width: 768px) {
  .image-compare {
    aspect-ratio: 16 / 9;
    border-radius: 12px;
  }

  .compare-label {
    top: 18px;
    font-size: 22px;
  }

  .compare-label-before {
    left: 18px;
  }

  .compare-label-after {
    right: 18px;
  }

  .compare-handle {
    width: 46px;
    height: 46px;
    font-size: 20px;
  }
}
/* 侧边栏导航 */
.site-header {
  justify-content: center;
}

.brand {
  position: absolute;
  left: 28px;
}

.header-cta {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  min-width: 178px;
  text-align: center;
  background: rgba(200, 168, 75, 0.08);
}

.site-header nav {
  display: none;
}

.menu-toggle {
  position: absolute;
  right: 24px;
  display: inline-grid;
  gap: 5px;
  width: 42px;
  height: 42px;
  place-content: center;
  cursor: pointer;
  border: 1px solid rgba(200, 168, 75, 0.42);
  background: rgba(13, 13, 13, 0.78);
  color: var(--gold);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
}

.side-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(0, 0, 0, 0.58);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.side-nav-panel {
  position: fixed;
  z-index: 80;
  top: 0;
  right: 0;
  width: min(360px, 88vw);
  height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 22px;
  border-left: 1px solid rgba(200, 168, 75, 0.32);
  background: rgba(10, 10, 10, 0.96);
  box-shadow: -30px 0 80px rgba(0, 0, 0, 0.48);
  transform: translateX(100%);
  transition: transform 260ms ease;
}

body.side-nav-open {
  overflow: hidden;
}

body.side-nav-open .side-nav-backdrop {
  opacity: 1;
  pointer-events: auto;
}

body.side-nav-open .side-nav-panel {
  transform: translateX(0);
}

.side-nav-head,
.side-brand {
  display: flex;
  align-items: center;
}

.side-nav-head {
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.side-brand {
  gap: 10px;
  color: #f4f0e4;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
  font-size: 15px;
}

.side-close {
  width: 38px;
  height: 38px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #181818;
  color: var(--text);
  font-size: 26px;
  line-height: 1;
}

.side-nav-links {
  display: grid;
  gap: 4px;
  margin-top: 26px;
}

.side-nav-links a {
  padding: 16px 8px;
  border-bottom: 1px solid var(--line);
  color: #d7d7d7;
  font-size: 15px;
}

.side-nav-links a:hover {
  color: var(--gold);
}

.side-cta {
  margin: auto auto 22px;
  width: min(240px, 100%);
  min-height: 48px;
  cursor: pointer;
  border: 1px solid var(--gold);
  background: var(--gold);
  color: #111;
  font-weight: 800;
}

@media (max-width: 768px) {
  .brand {
    left: 16px;
  }

  .brand span {
    display: none;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    width: min(188px, calc(100vw - 132px));
    min-height: 38px;
    padding: 8px 12px;
    font-size: 12px;
  }

  .menu-toggle {
    right: 14px;
    width: 38px;
    height: 38px;
  }
}

/* ============================================================
   小版本优化：桌面导航 / 图片稳定性 / 键盘焦点
   ============================================================ */
.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: #bdbdbd;
  font-family: "JetBrains Mono", "IBM Plex Mono", "Microsoft YaHei", monospace;
  font-size: 13px;
}

.header-nav a {
  white-space: nowrap;
  transition: color 180ms ease;
}

.header-nav a:hover {
  color: var(--gold);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(246, 195, 68, 0.88);
  outline-offset: 3px;
}

@media (min-width: 1101px) {
  .site-header {
    justify-content: space-between;
  }

  .brand,
  .header-cta {
    position: static;
    left: auto;
    transform: none;
  }

  .header-cta {
    min-width: 178px;
  }

  .menu-toggle {
    display: none;
  }
}

@media (max-width: 1100px) {
  .header-nav {
    display: none;
  }

  .site-header {
    justify-content: center;
  }

  .brand {
    position: absolute;
    left: 28px;
  }

  .header-cta {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .menu-toggle {
    position: absolute;
    right: 24px;
    display: inline-grid;
  }
}

@media (max-width: 768px) {
  .brand {
    left: 16px;
  }

  .brand span {
    display: none;
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    width: min(188px, calc(100vw - 132px));
    min-height: 38px;
    padding: 8px 12px;
    font-size: 12px;
  }

  .menu-toggle {
    right: 14px;
    width: 38px;
    height: 38px;
  }
}
/* 小版本修正：覆盖旧的 .site-header nav 隐藏规则 */
@media (min-width: 1101px) {
  .site-header .header-nav {
    display: flex;
  }
}

@media (max-width: 1100px) {
  .site-header .header-nav {
    display: none;
  }
}

/* ================================================================
   PPT v2 重排：新增组件样式
   ================================================================ */

/* Hero TOC */
.hero-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 26px;
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(244, 240, 228, 0.78);
}
.hero-toc span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(200, 168, 75, 0.32);
  border-radius: 2px;
  background: rgba(15, 12, 6, 0.45);
}
.hero-toc b {
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 0.08em;
}
@media (max-width: 720px) {
  .hero-toc { gap: 8px; font-size: 11.5px; }
  .hero-toc span { padding: 6px 10px; }
}

/* PART 章节大分隔 */
.part-section {
  padding-top: 96px;
  padding-bottom: 60px;
}
.part-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
  padding: 36px 0 12px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.part-divider .part-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 22px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 14px;
  letter-spacing: 0.32em;
  background: rgba(200, 168, 75, 0.08);
}
.part-divider h2 {
  margin: 0;
  font-size: 42px;
  letter-spacing: 0.04em;
}
.part-divider p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: 0.04em;
}
@media (max-width: 720px) {
  .part-section { padding-top: 64px; padding-bottom: 40px; }
  .part-divider h2 { font-size: 30px; }
  .part-divider .part-tag { font-size: 12px; letter-spacing: 0.24em; padding: 6px 16px; }
}

/* 安装块 */
.install-block {
  margin-top: 56px;
}
.install-block:first-of-type {
  margin-top: 40px;
}
.install-block > .eyebrow {
  margin-bottom: 8px;
}
.install-block > h3 {
  margin: 0 0 28px;
  font-size: 24px;
  letter-spacing: 0.02em;
}
.install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 36px;
  align-items: start;
}
.install-grid-mobile {
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
}
@media (max-width: 960px) {
  .install-grid,
  .install-grid-mobile {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.install-steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.install-step {
  display: flex;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.install-step .step-num {
  flex: 0 0 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.install-step h4 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--text);
}
.install-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.install-step p b {
  color: var(--text);
}
.install-tip {
  margin: 4px 4px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.install-tip b {
  color: var(--gold);
}

.install-shots {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.install-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}
.install-shot img {
  display: block;
  width: 100%;
  height: auto;
}
.install-shot figcaption {
  padding: 10px 14px;
  color: var(--muted);
  font-size: 12.5px;
  border-top: 1px solid var(--line);
}

.install-mobile-shot {
  margin: 0;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-align: center;
}
.install-mobile-shot img {
  display: block;
  margin: 0 auto;
  max-width: 280px;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}
.install-mobile-shot figcaption {
  margin-top: 16px;
  color: var(--muted);
  font-size: 12.5px;
}

.workflow-block .timeline {
  margin-top: 12px;
}

/* 时间窗副图列表 */
.time-window-list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.time-window-list li {
  padding: 6px 12px;
  border: 1px solid var(--purple);
  color: var(--text);
  font-size: 12.5px;
  background: rgba(125, 92, 255, 0.08);
}
.time-window-list b {
  color: var(--purple);
  margin-right: 6px;
}

/* 图例速查 */
.legend-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 1000px) {
  .legend-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .legend-grid { grid-template-columns: 1fr; }
}
.legend-card {
  position: relative;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}
.legend-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
}
.legend-card.legend-bull::before { background: var(--green); }
.legend-card.legend-bear::before { background: var(--red); }
.legend-card h3 {
  margin: 14px 0 6px;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.legend-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.legend-card p b {
  color: var(--text);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
}
/* 按文华指标源码 1:1 还原：FILLRGN 填充 + PARTLINE 边线 + 中位 DOT/POINTDOT 虚线 */
.legend-swatch {
  display: block;
  position: relative;
  height: 36px;
  border-top: 1px solid transparent;
  border-bottom: 1px solid transparent;
}
.legend-swatch::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 0;
  border-top: 1px dashed var(--mid, transparent);
  transform: translateY(-0.5px);
}
.legend-swatch.pointdot::after {
  border-top-style: dotted;
  border-top-width: 2px;
}
.legend-fvg-up {
  background: rgb(50, 5, 5);
  border-top-color: rgb(255, 20, 20);
  border-bottom-color: rgb(255, 20, 20);
  --mid: rgb(255, 80, 80);
}
.legend-fvg-dn {
  background: rgb(4, 22, 50);
  border-top-color: rgb(40, 165, 255);
  border-bottom-color: rgb(40, 165, 255);
  --mid: rgb(80, 195, 255);
}
.legend-ob-up {
  background: rgb(55, 8, 22);
  --mid: rgb(255, 90, 160);
}
.legend-ob-dn {
  background: rgb(8, 48, 15);
  --mid: rgb(80, 240, 100);
}
.legend-ifvg-up {
  background: rgb(30, 26, 0);
  border-top-color: rgb(255, 215, 0);
  border-bottom-color: rgb(255, 240, 80);
  --mid: rgb(255, 215, 0);
}
.legend-ifvg-dn {
  background: rgb(22, 4, 36);
  border-top-color: rgb(200, 80, 255);
  border-bottom-color: rgb(200, 80, 255);
  --mid: rgb(220, 120, 255);
}
.legend-bb-up {
  background: rgb(0, 50, 0);
  --mid: rgb(255, 255, 0);
}
.legend-bb-dn {
  background: rgb(50, 0, 0);
  --mid: rgb(255, 255, 0);
}

/* 机构足迹 四类结构详解 */
.structure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 820px) {
  .structure-grid { grid-template-columns: 1fr; }
}
.structure-card {
  position: relative;
  padding: 28px 28px 26px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.structure-card .structure-tag {
  position: absolute;
  top: 22px;
  right: 22px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
  background: rgba(0, 0, 0, 0.4);
}
.structure-card .tag-fvg  { color: var(--gold); border-color: var(--gold); }
.structure-card .tag-ob   { color: var(--red); border-color: var(--red); }
.structure-card .tag-ifvg { color: var(--purple); border-color: var(--purple); }
.structure-card .tag-bb   { color: var(--green); border-color: var(--green); }
.structure-card h3 {
  margin: 0 0 6px;
  font-size: 19px;
  letter-spacing: 0.02em;
  padding-right: 80px;
}
.structure-card .structure-en {
  margin: 0 0 12px;
  color: var(--muted);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.05em;
}
.structure-card p:not(.structure-en) {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* LIVE DEMO */
.live-demo-stage {
  display: grid;
  gap: 24px;
}
.live-demo-stage .signal-screen {
  margin: 0;
}
.live-demo-stage .signal-real-img {
  display: block;
  width: 100%;
  height: auto;
}
.live-demo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.live-demo-tags span {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 13px;
  color: var(--muted);
}
.live-demo-tags b {
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  letter-spacing: 0.04em;
}

/* 理念 六步实战闭环扩展 */
.philosophy-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 22px;
}
.philosophy-roles span {
  padding: 8px 14px;
  border: 1px solid var(--gold);
  color: var(--text);
  font-size: 13px;
  background: rgba(200, 168, 75, 0.06);
}
.philosophy-roles b {
  color: var(--gold);
  margin-right: 8px;
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
}
.philosophy-grid.philosophy-grid-six {
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 960px) {
  .philosophy-grid.philosophy-grid-six { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .philosophy-grid.philosophy-grid-six { grid-template-columns: 1fr; }
}

/* timeline 五步 */
.timeline.timeline-penta {
  grid-template-columns: repeat(5, 1fr);
}
.timeline.timeline-quad {
  grid-template-columns: repeat(4, 1fr);
}
.timeline h4 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
@media (max-width: 960px) {
  .timeline.timeline-penta,
  .timeline.timeline-quad {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .timeline.timeline-penta,
  .timeline.timeline-quad {
    grid-template-columns: 1fr;
  }
}

/* footer CTA 文案补充 */
.footer-cta-tip {
  max-width: 640px;
  margin: 12px auto 24px;
  color: rgba(244, 240, 228, 0.78);
  font-size: 14px;
  line-height: 1.8;
}
.footer-cta-tip b {
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
}

/* 精简版联系区 */
.footer-cta .footer-cta-wechat {
  margin: 6px auto 22px;
  font-size: clamp(18px, 2.4vw, 24px);
  color: #cfcfcf;
  letter-spacing: 0.02em;
}
.footer-cta .footer-cta-wechat b {
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  font-size: 1.18em;
  letter-spacing: 0.06em;
  margin-left: 6px;
}
.footer-cta-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 0 auto 30px;
}
.footer-cta-tags span {
  padding: 8px 18px;
  border: 1px solid rgba(200, 168, 75, 0.32);
  border-radius: 999px;
  background: rgba(200, 168, 75, 0.06);
  color: #e3ddca;
  font-size: 14px;
  white-space: nowrap;
}
.footer-cta .footer-cta-price {
  margin: 22px auto 0;
  color: #8d8d8d;
  font-size: 14px;
}

/* 风险提示强调 */
.risk-box .risk-emphasis {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--gold);
  font-family: "JetBrains Mono", "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
  text-align: center;
}

/* delivery 补充段落 */
.delivery-copy .delivery-extra {
  margin-top: 14px;
  color: rgba(244, 240, 228, 0.62);
  font-size: 13.5px;
  line-height: 1.8;
}

/* compliance compact 加粗对齐 */
.compliance-note.compact b,
.compliance-note b {
  color: var(--gold);
}

/* ============================================================
   多页面：导航高亮 / 子目录 / 入口卡片 / PART 头部
   ============================================================ */

/* 当前页导航高亮 */
.header-nav a.is-active {
  color: var(--gold);
  position: relative;
}
.header-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.side-nav-links a.is-active {
  color: var(--gold);
}

/* PART 头部区块（多页面顶部分隔，缩小上下留白） */
.part-hero {
  padding-top: clamp(96px, 12vw, 140px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

/* 子目录（每页顶部小目录） */
.sub-toc {
  position: sticky;
  top: 64px;
  z-index: 30;
  background: rgba(12, 12, 12, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.sub-toc-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 14px;
}
.sub-toc a {
  color: var(--muted, #9a9a9a);
  font-size: 14px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}
.sub-toc a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* 首页四大板块入口卡片 */
.part-entry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 40px;
}
.part-entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 30px 28px;
  border: 1px solid var(--line);
  background: var(--panel, #151515);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}
.part-entry-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
}
.part-entry-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200, 168, 75, 0.5);
  background: #181818;
}
.part-entry-tag {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  font-weight: 600;
}
.part-entry-card h3 {
  font-size: 22px;
  margin: 0;
  letter-spacing: 0.02em;
}
.part-entry-card p {
  color: var(--muted, #9a9a9a);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}
.part-entry-go {
  margin-top: 6px;
  color: var(--gold);
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 768px) {
  .part-entry-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .sub-toc {
    top: 56px;
  }
  .sub-toc-inner {
    gap: 6px 14px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .sub-toc a {
    font-size: 13px;
  }
}