/* =========================================================
   各页面专属样式
   ========================================================= */

/* ===== 首页 / Hero ===== */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
}
.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.6;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  margin-bottom: 28px;
}

.hero-title {
  font-family: var(--font-han);
  font-weight: 900;
  font-size: clamp(40px, 6.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--signal) 0%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero-title .cursor {
  display: inline-block;
  width: 0.55em;
  height: 0.9em;
  background: var(--signal);
  vertical-align: -0.08em;
  margin-left: 0.1em;
  animation: blink 1s steps(1) infinite;
  box-shadow: 0 0 14px var(--signal);
}
@keyframes blink {
  50% { opacity: 0; }
}

.hero-lead {
  margin-top: 28px;
  font-family: var(--font-han);
  font-size: 18px;
  color: var(--ink-dim);
  line-height: 1.7;
  max-width: 520px;
}

.hero-cta {
  margin-top: 40px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-specs {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 540px;
}
.hero-spec .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.hero-spec .num em {
  font-style: normal;
  color: var(--signal);
}
.hero-spec .lbl {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* —— 右侧装饰终端 —— */
.hero-visual {
  position: relative;
}
.hero-frame {
  position: relative;
  aspect-ratio: 5 / 6;
  border-radius: var(--r-4);
  background:
    radial-gradient(circle at 30% 20%, rgba(0,229,255,0.16), transparent 50%),
    linear-gradient(180deg, var(--bg-elev-1), var(--bg-elev-2));
  border: 1px solid var(--hairline);
  padding: 24px;
  overflow: hidden;
}
.hero-frame::before {
  content: "";
  position: absolute;
  top: -1px; left: 30%; right: 30%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
}
.hero-frame::after {
  content: "// KAOCHONG.SYS";
  position: absolute;
  top: 18px; right: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--signal);
  opacity: 0.7;
}

.orbit {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80%; aspect-ratio: 1;
  border: 1px dashed rgba(0,229,255,0.2);
  border-radius: 50%;
  animation: spin 60s linear infinite;
}
.orbit::before, .orbit::after {
  content: "";
  position: absolute;
  width: 8px; height: 8px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--signal);
}
.orbit::before { top: -4px; left: 50%; transform: translateX(-50%); }
.orbit::after  { bottom: -4px; right: 30%; background: var(--violet); box-shadow: 0 0 12px var(--violet); }
.orbit-2 {
  width: 55%;
  animation: spin 35s linear infinite reverse;
  border-color: rgba(139,108,245,0.25);
}
.orbit-2::before { background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.orbit-2::after  { background: var(--pink); box-shadow: 0 0 12px var(--pink); }
.orbit-3 {
  width: 32%;
  animation: spin 18s linear infinite;
  border-color: rgba(46,230,166,0.25);
}
.orbit-3::before { background: var(--green); box-shadow: 0 0 12px var(--green); }
.orbit-3::after  { background: var(--signal); box-shadow: 0 0 12px var(--signal); }
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.core-logo {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 70px; height: 70px;
  border-radius: var(--r-3);
  background: linear-gradient(135deg, var(--signal), var(--violet));
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 24px;
  color: var(--void);
  letter-spacing: -0.04em;
  box-shadow: var(--glow-signal);
  z-index: 3;
}

.hero-frame .corner {
  position: absolute;
  width: 22px; height: 22px;
  border: 1px solid var(--signal);
  opacity: 0.6;
}
.hero-frame .corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.hero-frame .corner.tr { top: 12px; right: 12px; border-left: 0; border-bottom: 0; }
.hero-frame .corner.bl { bottom: 12px; left: 12px; border-right: 0; border-top: 0; }
.hero-frame .corner.br { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

@media (max-width: 960px) {
  .hero { padding: 140px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 380px; margin: 0 auto; }
  .hero-specs { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Section headers ===== */
.section {
  padding: 120px 0;
  position: relative;
  z-index: 2;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 48px;
  margin-bottom: 56px;
}
.section-head .left .eyebrow { margin-bottom: 18px; }
@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
}

/* ===== Apps Grid ===== */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}
.app-card {
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 28px;
  background: linear-gradient(180deg, var(--bg-elev-1) 0%, rgba(11,17,34,0.6) 100%);
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
  overflow: hidden;
  transition: all .4s var(--ease-out);
  text-decoration: none;
  color: inherit;
  min-height: 320px;
  --ch: var(--signal);
}
.app-card:nth-child(1) { grid-column: span 3; --ch: var(--ch-fujing); }
.app-card:nth-child(2) { grid-column: span 3; --ch: var(--ch-danzhao); }
.app-card:nth-child(3) { grid-column: span 2; --ch: var(--ch-chengkao); }
.app-card:nth-child(4) { grid-column: span 2; --ch: var(--ch-baoan); }
.app-card:nth-child(5) { grid-column: span 2; --ch: var(--ch-xueweiyingyu); }

.app-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(400px 200px at 100% 0%, color-mix(in srgb, var(--ch) 18%, transparent), transparent 60%);
  opacity: 0.7;
  transition: opacity .4s;
  pointer-events: none;
}
.app-card::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ch), transparent);
  opacity: 0.5;
  transition: opacity .3s;
}
.app-card:hover {
  border-color: color-mix(in srgb, var(--ch) 50%, var(--line));
  transform: translateY(-4px);
  box-shadow: 0 24px 60px -20px color-mix(in srgb, var(--ch) 40%, transparent);
}
.app-card:hover::before { opacity: 1; }
.app-card:hover::after  { opacity: 1; }

.app-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.app-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: color-mix(in srgb, var(--ch) 90%, white);
  padding: 5px 10px;
  border: 1px solid color-mix(in srgb, var(--ch) 40%, transparent);
  border-radius: var(--r-1);
  background: color-mix(in srgb, var(--ch) 8%, transparent);
}
.app-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.app-icon {
  width: 56px; height: 56px;
  border-radius: var(--r-3);
  display: grid; place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--ch) 35%, var(--bg-elev-2)), var(--bg-elev-2));
  border: 1px solid color-mix(in srgb, var(--ch) 30%, var(--hairline));
  margin-bottom: 20px;
  position: relative;
}
.app-icon svg { width: 28px; height: 28px; color: var(--ch); }

.app-name {
  font-family: var(--font-han);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 10px;
}
.app-desc {
  font-family: var(--font-han);
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.6;
  margin-bottom: auto;
  padding-bottom: 24px;
}

.app-stats {
  display: flex;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}
.app-stats .stat .num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
}
.app-stats .stat .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 2px;
}

.app-arrow {
  position: absolute;
  bottom: 28px; right: 28px;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--ch) 40%, var(--line));
  display: grid; place-items: center;
  color: var(--ch);
  transition: all .25s var(--ease-out);
  background: color-mix(in srgb, var(--ch) 6%, transparent);
}
.app-card:hover .app-arrow {
  background: var(--ch);
  color: var(--void);
  transform: rotate(-45deg);
  box-shadow: 0 0 24px color-mix(in srgb, var(--ch) 60%, transparent);
}

@media (max-width: 960px) {
  .apps-grid { grid-template-columns: 1fr 1fr; }
  .app-card:nth-child(n) { grid-column: span 1; }
}
@media (max-width: 600px) {
  .apps-grid { grid-template-columns: 1fr; }
}

/* ===== Features ===== */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature {
  padding: 28px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-3);
  background: var(--bg-elev-1);
  transition: all .3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.feature:hover {
  border-color: var(--signal);
  background: color-mix(in srgb, var(--signal) 4%, var(--bg-elev-1));
}
.feature .num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin-bottom: 18px;
}
.feature h4 {
  font-family: var(--font-han);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--ink);
}
.feature p {
  font-family: var(--font-han);
  font-size: 14px;
  color: var(--ink-dim);
  line-height: 1.7;
}
@media (max-width: 960px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } }

/* ===== Stats Strip ===== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
  overflow: hidden;
  background: var(--bg-elev-1);
}
.stats-strip .stat {
  padding: 36px 32px;
  border-right: 1px solid var(--hairline);
  position: relative;
}
.stats-strip .stat:last-child { border-right: 0; }
.stats-strip .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 44px;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1;
}
.stats-strip .num em {
  font-style: normal;
  background: linear-gradient(135deg, var(--signal), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stats-strip .num sup {
  font-size: 18px;
  vertical-align: super;
  color: var(--signal);
  margin-left: 2px;
}
.stats-strip .lbl {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
@media (max-width: 800px) {
  .stats-strip { grid-template-columns: 1fr 1fr; }
  .stats-strip .stat:nth-child(2) { border-right: 0; }
  .stats-strip .stat:nth-child(-n+2) { border-bottom: 1px solid var(--hairline); }
}

/* ===== CTA strip ===== */
.cta {
  margin-top: 120px;
  padding: 80px 64px;
  border-radius: var(--r-4);
  border: 1px solid var(--hairline);
  background:
    radial-gradient(800px 300px at 80% 50%, rgba(0,229,255,0.16), transparent 60%),
    radial-gradient(600px 300px at 20% 50%, rgba(139,108,245,0.16), transparent 60%),
    var(--bg-elev-1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 48px;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.cta h3 {
  font-family: var(--font-han);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  position: relative;
}
.cta p {
  margin-top: 14px;
  color: var(--ink-dim);
  font-family: var(--font-han);
  max-width: 480px;
  position: relative;
}
.cta-actions {
  display: flex;
  gap: 12px;
  position: relative;
}
@media (max-width: 800px) {
  .cta { flex-direction: column; align-items: flex-start; padding: 48px 32px; }
}

/* ===== App Detail Page ===== */
.app-hero {
  position: relative;
  padding: 180px 0 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
}
.app-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.app-hero .crumbs { margin-bottom: 32px; }
.app-hero-code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ch, var(--signal));
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.app-hero-code::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ch, var(--signal));
  box-shadow: 0 0 12px var(--ch, var(--signal));
}
.app-hero h1 {
  font-family: var(--font-han);
  font-weight: 900;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.app-hero h1 em {
  font-style: normal;
  color: var(--ch, var(--signal));
}
.app-hero .lead {
  font-family: var(--font-han);
  font-size: 17px;
  color: var(--ink-dim);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 36px;
}
.download-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-3);
  background: var(--bg-elev-1);
  transition: all .25s var(--ease-out);
}
.dl-btn:hover {
  border-color: var(--ch, var(--signal));
  background: color-mix(in srgb, var(--ch, var(--signal)) 8%, var(--bg-elev-1));
  transform: translateY(-2px);
}
.dl-btn svg { width: 24px; height: 24px; color: var(--ink); }
.dl-btn .txt { display: flex; flex-direction: column; line-height: 1.2; }
.dl-btn .txt .lbl1 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.dl-btn .txt .lbl2 {
  font-family: var(--font-han);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
}

/* —— 模拟手机 —— */
.phone-frame {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 9 / 19;
  margin: 0 auto;
  background: linear-gradient(180deg, #1A1F2E, #0B0F1B);
  border-radius: 36px;
  padding: 12px;
  border: 1px solid var(--hairline);
  box-shadow:
    0 30px 80px -20px color-mix(in srgb, var(--ch, var(--signal)) 30%, transparent),
    0 0 0 1px rgba(255,255,255,0.04);
}
.phone-screen {
  width: 100%; height: 100%;
  border-radius: 26px;
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  padding: 30px 16px 16px;
  overflow: hidden;
  position: relative;
}
.phone-notch {
  position: absolute;
  top: 18px; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 22px;
  background: #000;
  border-radius: 12px;
  z-index: 5;
}
.phone-header {
  margin-top: 24px;
  margin-bottom: 18px;
}
.phone-header .small {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ch, var(--signal));
}
.phone-header .big {
  font-family: var(--font-han);
  font-size: 18px;
  font-weight: 800;
  margin-top: 4px;
}
.phone-bar {
  height: 8px;
  background: var(--bg-elev-3);
  border-radius: 4px;
  margin-top: 14px;
  overflow: hidden;
  position: relative;
}
.phone-bar i {
  display: block;
  height: 100%;
  width: 72%;
  background: linear-gradient(90deg, var(--ch, var(--signal)), color-mix(in srgb, var(--ch, var(--signal)) 60%, var(--violet)));
  box-shadow: 0 0 8px var(--ch, var(--signal));
}
.phone-q {
  margin-top: 18px;
  padding: 14px 12px;
  background: var(--bg-elev-3);
  border-radius: 10px;
  font-family: var(--font-han);
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-dim);
}
.phone-opts { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.phone-opt {
  padding: 10px 12px;
  background: var(--bg-elev-2);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  font-family: var(--font-han);
  font-size: 11px;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.phone-opt .mk {
  width: 16px; height: 16px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--ink-mute);
}
.phone-opt.right { border-color: color-mix(in srgb, var(--ch, var(--signal)) 50%, transparent); background: color-mix(in srgb, var(--ch, var(--signal)) 10%, var(--bg-elev-2)); color: var(--ink); }
.phone-opt.right .mk { background: var(--ch, var(--signal)); color: var(--void); border-color: var(--ch, var(--signal)); }
.phone-actions {
  position: absolute;
  bottom: 24px; left: 16px; right: 16px;
  display: flex; gap: 10px;
}
.phone-actions .pa {
  flex: 1;
  height: 38px;
  background: var(--bg-elev-3);
  border-radius: 8px;
  display: grid; place-items: center;
  font-family: var(--font-han);
  font-size: 11px;
  color: var(--ink-dim);
}
.phone-actions .pa.primary {
  background: var(--ch, var(--signal));
  color: var(--void);
  font-weight: 700;
}

@media (max-width: 960px) {
  .app-hero-grid { grid-template-columns: 1fr; gap: 56px; }
}

/* ===== App Feature Grid ===== */
.app-features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.app-feat {
  padding: 36px;
  background: var(--bg-elev-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
  position: relative;
  overflow: hidden;
}
.app-feat::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 60px; height: 60px;
  background: radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--ch, var(--signal)) 30%, transparent), transparent 70%);
  pointer-events: none;
}
.app-feat .ic {
  width: 52px; height: 52px;
  border-radius: var(--r-3);
  background: color-mix(in srgb, var(--ch, var(--signal)) 10%, var(--bg-elev-2));
  border: 1px solid color-mix(in srgb, var(--ch, var(--signal)) 30%, var(--hairline));
  display: grid; place-items: center;
  color: var(--ch, var(--signal));
  margin-bottom: 24px;
}
.app-feat .ic svg { width: 26px; height: 26px; }
.app-feat h3 {
  font-family: var(--font-han);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 12px;
}
.app-feat p {
  font-family: var(--font-han);
  font-size: 15px;
  color: var(--ink-dim);
  line-height: 1.7;
}
@media (max-width: 800px) {
  .app-features-grid { grid-template-columns: 1fr; }
}

/* ===== Module rows on app detail ===== */
.modules {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}
.module-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 28px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-3);
  background: var(--bg-elev-1);
  transition: all .25s var(--ease-out);
}
.module-row:hover {
  border-color: var(--ch, var(--signal));
  background: color-mix(in srgb, var(--ch, var(--signal)) 5%, var(--bg-elev-1));
}
.module-row .mk {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ch, var(--signal));
}
.module-row .title {
  font-family: var(--font-han);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 4px;
}
.module-row .desc {
  font-family: var(--font-han);
  font-size: 13px;
  color: var(--ink-mute);
}
.module-row .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
}
@media (max-width: 600px) {
  .module-row { grid-template-columns: 60px 1fr; }
  .module-row .meta { grid-column: 1 / -1; }
}

/* ===== Privacy Page ===== */
.privacy-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 80px;
  padding: 64px 0 120px;
  position: relative;
  z-index: 2;
}
.privacy-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  font-family: var(--font-han);
}
.privacy-toc h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 16px;
}
.privacy-toc ol {
  counter-reset: toc;
  list-style: none;
  border-left: 1px solid var(--hairline);
}
.privacy-toc li {
  counter-increment: toc;
  padding: 0;
}
.privacy-toc a {
  display: block;
  padding: 8px 0 8px 16px;
  font-size: 13px;
  color: var(--ink-mute);
  border-left: 1px solid transparent;
  margin-left: -1px;
  transition: all .2s;
  line-height: 1.4;
}
.privacy-toc a::before {
  content: counter(toc, decimal-leading-zero) " · ";
  color: var(--ink-faint);
  font-family: var(--font-mono);
  margin-right: 4px;
}
.privacy-toc a:hover,
.privacy-toc a.active {
  color: var(--signal);
  border-left-color: var(--signal);
}

.privacy-content {
  max-width: 720px;
  font-family: var(--font-han);
}
.privacy-meta {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--hairline);
}
.privacy-meta .item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.privacy-meta .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.privacy-meta .val {
  font-size: 14px;
  color: var(--ink);
}
.privacy-content section { margin-bottom: 56px; }
.privacy-content h2 {
  font-family: var(--font-han);
  font-weight: 800;
  font-size: 24px;
  margin-bottom: 18px;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.privacy-content h2 .nm {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal);
  letter-spacing: 0.12em;
}
.privacy-content h3 {
  font-family: var(--font-han);
  font-size: 16px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--ink);
}
.privacy-content p,
.privacy-content li {
  font-size: 15px;
  color: var(--ink-dim);
  line-height: 1.8;
  margin-bottom: 12px;
}
.privacy-content ul {
  margin-left: 0;
  padding-left: 0;
}
.privacy-content ul li {
  position: relative;
  padding-left: 20px;
  list-style: none;
}
.privacy-content ul li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--signal);
}
.privacy-content strong { color: var(--ink); font-weight: 600; }
.privacy-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 13px;
}
.privacy-content th, .privacy-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}
.privacy-content th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: var(--bg-elev-1);
}
.privacy-content td { color: var(--ink-dim); }

@media (max-width: 960px) {
  .privacy-layout { grid-template-columns: 1fr; gap: 32px; }
  .privacy-toc { position: static; }
}

/* ===== About Page ===== */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.value {
  padding: 36px;
  background: var(--bg-elev-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
}
.value .nm {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin-bottom: 18px;
}
.value h3 {
  font-family: var(--font-han);
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 12px;
}
.value p {
  font-family: var(--font-han);
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.7;
}

.timeline {
  position: relative;
  margin-top: 56px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 19px;
  width: 1px;
  background: linear-gradient(180deg, var(--signal), transparent);
}
.tl-item {
  display: grid;
  grid-template-columns: 60px 120px 1fr;
  gap: 32px;
  padding: 24px 0;
  position: relative;
}
.tl-item .dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--signal);
  margin-left: 14px;
  margin-top: 6px;
  box-shadow: 0 0 12px var(--signal);
}
.tl-item .year {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--signal);
  font-weight: 600;
}
.tl-item .title {
  font-family: var(--font-han);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 6px;
}
.tl-item .desc {
  font-family: var(--font-han);
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.7;
}
@media (max-width: 800px) {
  .values { grid-template-columns: 1fr; }
  .tl-item { grid-template-columns: 40px 1fr; }
  .tl-item .year { grid-column: 1 / -1; padding-left: 40px; }
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  padding: 28px;
  background: var(--bg-elev-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-3);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: border-color .2s;
}
.contact-item:hover { border-color: var(--signal); }
.contact-item .ic {
  width: 44px; height: 44px;
  border-radius: var(--r-2);
  background: color-mix(in srgb, var(--signal) 10%, var(--bg-elev-2));
  border: 1px solid var(--hairline);
  display: grid; place-items: center;
  color: var(--signal);
  flex-shrink: 0;
}
.contact-item .ic svg { width: 22px; height: 22px; }
.contact-item .lbl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 6px;
}
.contact-item .val {
  font-family: var(--font-han);
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
}
.contact-item .extra {
  margin-top: 6px;
  font-family: var(--font-han);
  font-size: 13px;
  color: var(--ink-dim);
}

.contact-form {
  padding: 40px;
  background: var(--bg-elev-1);
  border: 1px solid var(--hairline);
  border-radius: var(--r-4);
}
.contact-form h3 {
  font-family: var(--font-han);
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 8px;
}
.contact-form p { color: var(--ink-dim); font-size: 14px; margin-bottom: 28px; }
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--bg-elev-2);
  border-radius: var(--r-2);
  color: var(--ink);
  font-family: var(--font-han);
  font-size: 15px;
  transition: all .2s;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-soft);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-grid-2 { grid-template-columns: 1fr; }
  .contact-form { padding: 28px; }
}

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-d="1"]  { transition-delay: 0.06s; }
.reveal[data-d="2"]  { transition-delay: 0.12s; }
.reveal[data-d="3"]  { transition-delay: 0.18s; }
.reveal[data-d="4"]  { transition-delay: 0.24s; }
.reveal[data-d="5"]  { transition-delay: 0.30s; }
.reveal[data-d="6"]  { transition-delay: 0.36s; }