:root {
  --bg: #0a0d14;
  --bg-2: #0f131c;
  --panel: #131826;
  --panel-2: #171d2d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --ink: #eef1f6;
  --ink-soft: #aab3c5;
  --ink-dim: #6f7a8f;
  --gold: #c8a04a;
  --gold-soft: #e6c878;
  --cyan: #5fd0d6;
  --maxw: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(200, 160, 74, 0.11), transparent 60%),
    radial-gradient(700px 500px at 6% 10%, rgba(95, 208, 214, 0.06), transparent 55%),
    linear-gradient(180deg, #0a0d14, #0a0d14);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(16px);
  background: rgba(10, 13, 20, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  display: block;
  object-fit: cover;
  background: #0a0d14;
}

.brand-name {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.5px;
  display: block;
  line-height: 1.2;
  white-space: nowrap;
}

.brand-sub {
  display: block;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--ink-dim);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

/* 只作用于文字导航，不要盖掉金色按钮的字色 */
.nav-links > a:not(.btn) {
  font-size: 14px;
  color: var(--ink-soft);
  transition: color 0.2s;
}

.nav-links > a:not(.btn):hover,
.nav-links > a:not(.btn).active { color: var(--gold-soft); }

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 8px 12px;
  color: var(--ink);
}

/* buttons —— 提高优先级，避免 a 标签继承浅色文字 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

a.btn-gold,
button.btn-gold,
.btn-gold {
  background: linear-gradient(180deg, #e8c97a, #c8a04a);
  color: #1a1407 !important;
  box-shadow: 0 8px 28px -10px rgba(200, 160, 74, 0.55);
}

a.btn-gold:hover,
a.btn-gold:focus,
a.btn-gold:visited,
button.btn-gold:hover,
.btn-gold:hover {
  color: #1a1407 !important;
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -10px rgba(200, 160, 74, 0.7);
  filter: brightness(1.04);
}

a.btn-ghost,
button.btn-ghost,
.btn-ghost {
  border: 1px solid var(--line-strong);
  color: #eef1f6 !important;
  background: rgba(238, 241, 246, 0.06);
}

a.btn-ghost:hover,
a.btn-ghost:visited,
button.btn-ghost:hover,
.btn-ghost:hover {
  border-color: rgba(200, 160, 74, 0.55);
  color: #e6c878 !important;
  background: rgba(200, 160, 74, 0.08);
}

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* sections */
.blk { padding: 72px 0; border-top: 1px solid var(--line); }

.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
}

.sec-title {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.3;
  margin-bottom: 12px;
}

.sec-desc {
  color: var(--ink-soft);
  font-size: 16px;
  max-width: 640px;
  margin-bottom: 32px;
}

/* hero */
.hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
}

.hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: start;
}

.hero-console {
  position: sticky;
  top: 88px;
}

.hero-console .cadence {
  margin-top: 0;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.85);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 13, 20, 0.96) 0%, rgba(10, 13, 20, 0.82) 45%, rgba(10, 13, 20, 0.55) 100%),
    linear-gradient(180deg, rgba(10, 13, 20, 0.2), rgba(10, 13, 20, 0.95));
}

.hero-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-brand .logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
}

.hero-brand .brand-name {
  font-size: clamp(22px, 3vw, 28px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--gold-soft);
  border: 1px solid rgba(200, 160, 74, 0.3);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 22px;
  background: rgba(200, 160, 74, 0.06);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.hero h1 {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 48px);
  line-height: 1.22;
  margin-bottom: 10px;
  max-width: 720px;
}

.hero h1 .big {
  display: block;
  color: var(--gold-soft);
  font-size: 1.08em;
  margin-top: 6px;
}

.hero-lead {
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 560px;
  margin: 22px 0 28px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 560px;
  margin: 0 0 26px;
}

.trust-item {
  padding: 12px 10px;
  border-radius: 12px;
  background: rgba(19, 24, 38, 0.78);
  border: 1px solid rgba(200, 160, 74, 0.22);
  text-align: center;
}

.trust-v {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-soft);
  margin-bottom: 4px;
}

.trust-k {
  display: block;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.35;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 8px 0 18px;
}

.metric {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.metric-v {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-soft);
  margin-bottom: 4px;
  line-height: 1.35;
}

.metric-k {
  font-size: 12px;
  color: var(--ink-dim);
}

.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 8px;
}

.fit-col {
  padding: 18px 20px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.fit-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.fit-label.ok { color: var(--gold-soft); }
.fit-label.no { color: var(--ink-dim); }

.fit-line {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.65;
  padding: 6px 0 6px 14px;
  position: relative;
}

.fit-line::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.fit-line.dim {
  color: var(--ink-dim);
}

.fit-line.dim::before { color: var(--ink-dim); }

.hero-proof {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  max-width: 720px;
  margin-top: 28px;
  border: 1px solid rgba(200, 160, 74, 0.28);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(19, 24, 38, 0.88);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.hero-proof:hover {
  border-color: rgba(200, 160, 74, 0.55);
  transform: translateY(-2px);
}

.hero-proof img {
  width: 160px;
  height: 100%;
  min-height: 140px;
  object-fit: cover;
}

.hero-proof-body { padding: 18px 20px; }

.hero-proof-label {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 6px;
}

.hero-proof-title {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 8px;
}

.hero-proof-out {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 10px;
}

.hero-proof-more {
  font-size: 13px;
  color: var(--gold-soft);
}

/* before / after */
.ba-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: stretch;
  margin-top: 8px;
}

.ba-col {
  padding: 22px 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.ba-col.on {
  border-color: rgba(200, 160, 74, 0.4);
  background: rgba(200, 160, 74, 0.08);
}

.ba-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 20px;
  padding-top: 28px;
}

.ba-head {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-soft);
  margin-bottom: 12px;
}

.ba-line {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding: 6px 0 6px 14px;
  position: relative;
}

.ba-line::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* cadence board — vertical roadmap console */
.cadence {
  margin-top: 8px;
  border: 1px solid rgba(200, 160, 74, 0.3);
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(19, 24, 38, 0.96), rgba(10, 13, 20, 0.98)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 18px,
      rgba(255, 255, 255, 0.018) 18px,
      rgba(255, 255, 255, 0.018) 19px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 18px,
      rgba(255, 255, 255, 0.018) 18px,
      rgba(255, 255, 255, 0.018) 19px
    );
}

.cadence-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(19, 24, 38, 0.9);
}

.cadence-live {
  color: var(--cyan, #5fd0d6);
  font-size: 12px;
}

.cadence-name {
  font-size: 12px;
  color: var(--ink-dim);
}

.cadence-road {
  padding: 4px 20px 8px;
}

.cadence-row {
  padding: 22px 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cadence-row:last-child {
  border-bottom: none;
}

.cadence-meta {
  margin-bottom: 12px;
}

.cadence-when {
  display: block;
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.cadence-value {
  display: block;
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 800;
  margin-bottom: 6px;
  line-height: 1.05;
  letter-spacing: 0.5px;
}

.cadence-value.tone-gold { color: var(--gold-soft); }
.cadence-value.tone-ink { color: #f2f4f8; }
.cadence-value.tone-soft { color: #e8d9b0; }
.cadence-value.tone-cyan { color: var(--cyan, #5fd0d6); }

.cadence-label {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.cadence-track {
  height: 3px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.cadence-fill {
  height: 100%;
  border-radius: 999px;
}

.cadence-fill.tone-gold { background: linear-gradient(90deg, transparent, var(--gold)); }
.cadence-fill.tone-ink { background: linear-gradient(90deg, transparent, rgba(242, 244, 248, 0.75)); }
.cadence-fill.tone-soft { background: linear-gradient(90deg, transparent, #c8a04a); }
.cadence-fill.tone-cyan { background: linear-gradient(90deg, transparent, var(--cyan, #5fd0d6)); }

.cadence-note {
  padding: 12px 18px 14px;
  font-size: 12px;
  color: var(--ink-dim);
  line-height: 1.55;
  border-top: 1px solid var(--line);
}

.metrics-row.compact {
  margin: 12px 0 0;
  gap: 8px;
}

.metrics-row.compact .metric {
  padding: 10px 12px;
}

/* pain */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.pain {
  display: flex;
  gap: 14px;
  padding: 22px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.pain-no {
  color: var(--gold);
  font-size: 12px;
  padding-top: 4px;
  flex-shrink: 0;
}

.pain-t {
  display: block;
  font-size: 17px;
  font-weight: 600;
  color: var(--gold-soft);
  margin-bottom: 8px;
}

.pain-d {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.75;
}

/* steps */
.steps { display: grid; gap: 12px; }

.step {
  display: flex;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(19, 24, 38, 0.65);
}

.step-no {
  color: var(--gold);
  font-size: 13px;
  padding-top: 3px;
}

.step-t {
  display: block;
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 6px;
}

.step-d {
  display: block;
  font-size: 14px;
  color: var(--ink-soft);
}

/* cases */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.case-card:hover {
  border-color: rgba(200, 160, 74, 0.4);
  transform: translateY(-3px);
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.case-body { padding: 16px 18px 20px; }

.case-brand {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--cyan);
  margin-bottom: 6px;
}

.case-title {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 10px;
}

.outcome-label {
  display: block;
  font-size: 11px;
  color: var(--ink-dim);
  margin-bottom: 4px;
}

.outcome-text {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.65;
}

.group-block { margin-bottom: 40px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0 10px;
}

.chip {
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
}

/* method */
.week-list { display: grid; gap: 12px; }

.week {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s;
}

.week.on,
.week:hover { border-color: rgba(200, 160, 74, 0.4); }

.week-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.week-no { color: var(--gold); font-size: 12px; }
.week-title { font-weight: 600; font-size: 17px; }
.week-out { font-size: 14px; color: var(--ink-soft); }
.week-detail {
  display: none;
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.7;
}
.week.on .week-detail { display: block; }

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

.deliv, .stack-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.deliv-no { color: var(--gold); font-size: 12px; margin-bottom: 6px; display: block; }
.deliv-t, .stack-t { display: block; font-weight: 600; margin-bottom: 6px; }
.deliv-d, .stack-d { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

.faq { border-top: 1px solid var(--line); }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  cursor: pointer;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-weight: 500;
  font-size: 15px;
}
.faq-icon { color: var(--gold); font-family: monospace; }
.faq-a {
  display: none;
  margin-top: 10px;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.75;
}
.faq-item.open .faq-a { display: block; }

/* about */
.about-hero { padding: 56px 0 24px; }
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.info-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  cursor: pointer;
  transition: border-color 0.2s;
}
.info-card:hover { border-color: rgba(200, 160, 74, 0.4); }
.info-label { display: block; font-size: 11px; color: var(--cyan); margin-bottom: 8px; }
.info-val { display: block; font-size: 20px; font-weight: 600; margin-bottom: 4px; }
.info-tip { font-size: 12px; color: var(--ink-dim); }

.points { display: grid; gap: 12px; margin-top: 20px; }
.point {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.point-t { display: block; font-weight: 600; margin-bottom: 6px; color: var(--gold-soft); }
.point-d { font-size: 14px; color: var(--ink-soft); }

.contrast-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.contrast {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.contrast.hi {
  border-color: rgba(200, 160, 74, 0.45);
  background: rgba(200, 160, 74, 0.08);
}
.contrast-role { font-size: 12px; color: var(--ink-dim); margin-bottom: 8px; display: block; }
.contrast-line { display: block; font-weight: 600; margin-bottom: 6px; }
.contrast-note { font-size: 13px; color: var(--ink-soft); }

/* cta band */
.cta-band {
  margin: 0 0 48px;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid rgba(200, 160, 74, 0.28);
  background: linear-gradient(140deg, rgba(200, 160, 74, 0.14), rgba(95, 208, 214, 0.05));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cta-band h3 { font-size: 22px; font-weight: 600; margin-bottom: 4px; }
.cta-band p { font-size: 14px; color: var(--ink-soft); }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-dim);
  font-size: 13px;
}

/* modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 8, 12, 0.78);
  backdrop-filter: blur(6px);
  padding: 24px;
}
.modal.on { display: flex; }

.sheet {
  width: min(420px, 100%);
  max-height: min(92vh, 720px);
  overflow-y: auto;
  background: #131826;
  border: 1px solid rgba(200, 160, 74, 0.35);
  border-radius: 20px;
  padding: 22px 28px 28px;
  text-align: center;
  animation: slideUp 0.35s ease;
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0.6; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-bar {
  width: 48px;
  height: 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  margin: 0 auto 20px;
}

.sheet h3 { font-size: 24px; font-weight: 700; margin-bottom: 6px; }
.sheet .sub { color: var(--cyan); font-size: 14px; margin-bottom: 20px; display: block; }
.sheet .qr {
  width: 100%;
  border-radius: 12px;
  border: 1px solid rgba(200, 160, 74, 0.25);
  background: #fff;
}
.sheet .hint { display: block; margin: 14px 0 18px; font-size: 12px; color: var(--ink-dim); }
.sheet .actions { display: flex; gap: 10px; }
.sheet .actions .btn { flex: 1; }
.sheet .close-link {
  display: inline-block;
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 14px;
}

/* case drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: none;
  background: rgba(6, 8, 12, 0.72);
  backdrop-filter: blur(4px);
}
.drawer.on { display: block; }
.drawer-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(480px, 100%);
  background: var(--bg-2);
  border-left: 1px solid var(--line-strong);
  overflow-y: auto;
  padding: 28px;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn {
  from { transform: translateX(24px); opacity: 0.7; }
  to { transform: translateX(0); opacity: 1; }
}
.drawer-cover {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 20px;
}
.drawer-meta { font-size: 12px; color: var(--cyan); margin-bottom: 8px; }
.drawer-title { font-family: "Noto Serif SC", serif; font-size: 26px; font-weight: 700; margin-bottom: 16px; }
.block { margin-bottom: 18px; }
.block-label { display: block; font-size: 11px; color: var(--ink-dim); letter-spacing: 1px; margin-bottom: 6px; }
.block-text { font-size: 14px; color: var(--ink-soft); line-height: 1.75; }
.drawer-close {
  position: sticky;
  top: 0;
  float: right;
  margin: -8px -8px 12px 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  background: rgba(10, 13, 20, 0.8);
}

.more-link {
  display: inline-flex;
  margin-top: 24px;
  color: var(--gold-soft);
  font-size: 14px;
}

@media (max-width: 900px) {
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .contrast-grid { grid-template-columns: 1fr; }
  .hero-proof { grid-template-columns: 120px 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 72px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 13, 20, 0.96);
    border-bottom: 1px solid var(--line);
    padding: 8px 28px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links > a:not(.btn) {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }
  .nav-links .btn {
    margin-top: 12px;
    justify-content: center;
    width: 100%;
  }

  .pain-grid,
  .case-grid,
  .deliv-grid,
  .stack-grid,
  .info-grid { grid-template-columns: 1fr; }

  .ba-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .ba-arrow {
    padding: 0;
    transform: rotate(90deg);
  }

  .hero-split {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero-console {
    position: static;
  }

  .brand-name { font-size: 15px; }
  .brand-sub { display: none; }
  .hero { padding: 40px 0 36px; }
  .trust-strip { grid-template-columns: 1fr; }
  .fit-grid { grid-template-columns: 1fr; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof img {
    width: 100%;
    height: 160px;
    min-height: 0;
  }
  .cta-band { padding: 22px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { flex: 1; }
}

/* 桌面导航 CTA 稍紧凑，避免挤掉品牌名 */
@media (min-width: 721px) {
  .nav-links .btn-gold {
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 700;
  }
}