/* ============================================================
   版面层：导航 / 首屏 / 各区块 / 响应式
   ============================================================ */

/* ======================= 导航 ======================= */
.nav {
  position: fixed;
  top: 18px;
  left: 0; right: 0;
  z-index: var(--z-nav);
  transition: top var(--dur-base) var(--ease-out);
}
.nav-inner {
  position: relative;
  width: min(1180px, calc(100% - 32px));
  margin-inline: auto;
  height: 62px;
  padding: 0 10px 0 14px;
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 252, 249, 0.58);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 10px 30px -18px rgba(139, 90, 60, 0.35);
  transition: background-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              height var(--dur-base) var(--ease-out);
}
.nav.is-scrolled { top: 10px; }
.nav.is-scrolled .nav-inner {
  height: 56px;
  background: rgba(255, 252, 249, 0.86);
  box-shadow: 0 14px 40px -20px rgba(139, 90, 60, 0.42);
}

.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(194, 58, 85, 0.14), 0 6px 14px -6px rgba(194, 58, 85, 0.5);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}
.brand-text em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.52rem;
  letter-spacing: 0.26em;
  color: var(--faint);
  margin-top: 5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline: auto;
}
.nav-links a {
  position: relative;
  padding: 9px 12px;
  border-radius: var(--r-pill);
  font-size: 0.86rem;
  color: var(--text-muted);
  transition: color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 3px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%) scale(0);
  transition: transform var(--dur-base) var(--ease-spring);
}
.nav-links a:hover { color: var(--accent-ink); background: rgba(246, 165, 184, 0.14); }
.nav-links a.is-active { color: var(--accent-ink); }
.nav-links a.is-active::after { transform: translateX(-50%) scale(1); }

.nav-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.nav-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color var(--dur-fast), background-color var(--dur-fast);
}
.nav-ghost:hover { color: var(--accent-ink); background: rgba(246, 165, 184, 0.14); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 50%; top: 50%;
  width: 15px; height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast);
}
.nav-toggle span:last-child { transform: translate(-50%, calc(-50% + 5px)); }
.nav.is-open .nav-toggle span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.nav.is-open .nav-toggle span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }

/* ======================= 首屏 ======================= */
.hero {
  position: relative;
  z-index: var(--z-content);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: clamp(112px, 14vh, 148px);
  padding-bottom: 16px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 0 clamp(20px, 3vw, 44px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.eyebrow .mono { font-size: 0.58rem; color: var(--faint); letter-spacing: 0.18em; }
.eyebrow i { width: 22px; height: 1px; background: var(--hairline-strong); }
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 0 4px rgba(194, 58, 85, 0.12);
}
.eyebrow .ver {
  font-family: var(--font-mono);
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  color: var(--accent-ink);
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  padding: 3px 8px;
}

.hero-title {
  margin-top: clamp(16px, 2.4vh, 26px);
  font-size: clamp(2.9rem, 1.1rem + 4.9vw, 5.6rem);
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.hero-title .line { display: block; white-space: nowrap; }
.hero-title em {
  position: relative;
  color: var(--crimson);
  padding-inline: 0.04em;
  background-image: linear-gradient(180deg, transparent 64%, rgba(246, 165, 184, 0.5) 64%, rgba(246, 165, 184, 0.5) 90%, transparent 90%);
  background-repeat: no-repeat;
}
.hero-title .period { color: var(--crimson); }

.hero-lead {
  margin-top: clamp(20px, 3vh, 30px);
  max-width: 40ch;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text-muted);
  text-wrap: pretty;
}
.hero-lead b { color: var(--accent-ink); font-weight: 600; font-variant-numeric: tabular-nums; }

.hero-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(26px, 4vh, 38px);
  flex-wrap: wrap;
}

.hero-facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(24px, 3.6vh, 36px);
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
}
.fact { display: flex; flex-direction: column; gap: 6px; }
.fact strong {
  font-family: var(--font-roman);
  font-size: clamp(1.5rem, 1.2rem + 0.9vw, 2rem);
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}
.fact span {
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--faint);
  letter-spacing: 0.02em;
}
.fact--accent strong { color: var(--crimson); }

.hand-note {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  transform: rotate(-3.5deg);
  transform-origin: left center;
  color: var(--accent-ink);
  opacity: 0.9;
}
.hand-arrow { color: rgba(194, 58, 85, 0.6); margin-left: 2px; }

.hero-scroll {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
  padding-top: 36px;
  color: var(--faint);
}
.hero-scroll .mono { font-size: 0.56rem; letter-spacing: 0.24em; }
.scroll-line {
  width: 1px; height: 42px;
  background: linear-gradient(180deg, var(--hairline-strong), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 1px; height: 12px;
  background: var(--crimson);
  animation: scroll-dot 2.2s var(--ease-out) infinite;
}
@keyframes scroll-dot {
  0% { transform: translateY(-14px); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateY(44px); opacity: 0; }
}

/* ======================= 立绘舞台 ======================= */
.stage {
  position: relative;
  width: 100%;
  max-width: 530px;
  margin-left: auto;
  aspect-ratio: 1 / 1.04;
  --px: 0;
  --py: 0;
}
.stage-rings {
  position: absolute;
  inset: -13% -12% -6%;
  display: grid;
  place-items: center;
  pointer-events: none;
  color: rgba(194, 58, 85, 0.22);
}
.rings-svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 0.9;
  animation: spin 68s linear infinite;
  opacity: 0.75;
}
@keyframes spin { to { transform: rotate(360deg); } }
.rings-text {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: spin 120s linear infinite reverse;
  fill: rgba(194, 58, 85, 0.36);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.34em;
}
.rings-tick {
  position: absolute;
  width: 7px; height: 7px;
  border: 1px solid rgba(194, 58, 85, 0.5);
  transform: rotate(45deg);
}
.rings-tick--a { top: 12%; right: 14%; }
.rings-tick--b { bottom: 16%; left: 9%; }

.stage-frame {
  position: relative;
  width: 88%;
  height: 100%;
  margin-inline: auto;
  border-radius: 46% 46% 30px 30px / 34% 34% 30px 30px;
  overflow: hidden;
  background:
    radial-gradient(80% 60% at 50% 26%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0) 70%),
    linear-gradient(180deg, #fffbf7 0%, #fff0f4 46%, #ffdde7 100%);
  box-shadow:
    0 50px 110px -50px rgba(194, 58, 85, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.75),
    inset 0 0 60px rgba(255, 255, 255, 0.6);
  transform: translate3d(calc(var(--px) * -10px), calc(var(--py) * -8px), 0);
  transition: transform 500ms var(--ease-out);
}
.stage-glow {
  position: absolute;
  inset: 6% 10% 40%;
  background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.5), rgba(246, 165, 184, 0.28) 45%, transparent 70%);
  filter: blur(14px);
}
.stage-portrait {
  position: absolute;
  left: 50%;
  bottom: -2%;
  width: 92%;
  transform: translateX(-50%);
  mix-blend-mode: multiply;
  filter: saturate(1.16) contrast(1.12);
  will-change: transform;
}
.stage-vignette {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 250, 246, 0.12) 0%, transparent 14%, transparent 78%, rgba(255, 194, 210, 0.8) 100%),
    radial-gradient(120% 90% at 50% 105%, rgba(194, 58, 85, 0.18), transparent 60%);
  pointer-events: none;
}
.stage-scan {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 100%;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(255, 255, 255, 0.02) 84%,
    rgba(255, 255, 255, 0.13) 94%,
    rgba(255, 255, 255, 0.05) 98%,
    transparent 100%);
  filter: blur(1.2px);
  transform: translateY(-100%);
  animation: scan-sweep 8.5s 2.2s var(--ease-soft) infinite;
  opacity: 0.55;
  pointer-events: none;
}
@keyframes scan-sweep {
  0% { transform: translateY(-100%); opacity: 0; }
  8% { opacity: 0.9; }
  62% { transform: translateY(100%); opacity: 0; }
  100% { transform: translateY(100%); opacity: 0; }
}
.stage-id {
  position: absolute;
  right: 16px;
  top: 34%;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.5rem;
  letter-spacing: 0.32em;
  color: rgba(194, 58, 85, 0.45);
}
.stage-id span { color: rgba(194, 58, 85, 0.25); }

.corner {
  position: absolute;
  width: 16px; height: 16px;
  border: 0 solid rgba(194, 58, 85, 0.4);
  z-index: 3;
}
.corner--tl { top: 16px; left: 16px; border-top-width: 1px; border-left-width: 1px; }
.corner--tr { top: 16px; right: 16px; border-top-width: 1px; border-right-width: 1px; }
.corner--bl { bottom: 16px; left: 16px; border-bottom-width: 1px; border-left-width: 1px; }
.corner--br { bottom: 16px; right: 16px; border-bottom-width: 1px; border-right-width: 1px; }

.hud {
  position: absolute;
  z-index: 4;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 20px 46px -24px rgba(139, 90, 60, 0.5);
}
.hud--status {
  top: 7%;
  left: 2%;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border-radius: var(--r-pill);
  transform: translate3d(calc(var(--px) * 8px), calc(var(--py) * 6px), 0);
  transition: transform 520ms var(--ease-out);
}
.hud-status-text { font-size: 0.76rem; color: var(--ink-soft); letter-spacing: 0.04em; }
.hud-status-sub { font-size: 0.52rem; color: var(--faint); letter-spacing: 0.1em; }

.hud--score {
  left: -3%;
  bottom: 7%;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 12px 14px;
  width: 252px;
  transform: translate3d(calc(var(--px) * 16px), calc(var(--py) * 12px), 0);
  transition: transform 560ms var(--ease-out);
}
.ring { position: relative; display: grid; place-items: center; flex: none; }
.ring--hud { width: 72px; height: 72px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); overflow: visible; }
.ring-track { fill: none; stroke: rgba(194, 58, 85, 0.14); stroke-width: 5; }
.ring-fill {
  fill: none;
  stroke: var(--crimson);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 263.9;
  stroke-dashoffset: 263.9;
  filter: drop-shadow(0 0 5px rgba(194, 58, 85, 0.35));
  transition: stroke-dashoffset 1500ms var(--ease-out);
}
.ring-num {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.ring-num strong {
  font-family: var(--font-roman);
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.hud-score-meta { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.hud-kicker { font-size: 0.62rem; color: var(--faint); letter-spacing: 0.08em; }
.hud-grade {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--accent-ink);
  letter-spacing: 0.06em;
}
.hud-sub { font-size: 0.5rem; color: var(--faint); letter-spacing: 0.08em; white-space: nowrap; }
.hud-rescan {
  position: absolute;
  top: 8px; right: 8px;
  width: 24px; height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent-ink);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--hairline);
  opacity: 0.7;
  transition: opacity var(--dur-fast), transform var(--dur-slow) var(--ease-out);
}
.hud-rescan:hover { opacity: 1; transform: rotate(180deg); }

.hud--compat {
  right: -2%;
  top: 33%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  width: 206px;
  background: rgba(255, 255, 255, 0.8);
  transform: translate3d(calc(var(--px) * 22px), calc(var(--py) * 16px), 0);
  transition: transform 600ms var(--ease-out);
}
.hud-check {
  flex: none;
  color: var(--ok);
  border: 1px solid rgba(79, 125, 85, 0.25);
  border-radius: 50%;
  padding: 4px;
  background: rgba(79, 125, 85, 0.08);
}
.hud--compat strong { display: block; font-size: 0.78rem; font-weight: 500; color: var(--ink); line-height: 1.3; }
.hud--compat span { display: block; font-size: 0.52rem; color: var(--faint); letter-spacing: 0.08em; margin-top: 3px; }

.stage-chip {
  position: absolute;
  right: 7%;
  bottom: 4%;
  font-size: 0.5rem;
  color: rgba(139, 90, 60, 0.55);
  letter-spacing: 0.12em;
}

/* ======================= 跑马灯 ======================= */
.ticker {
  position: relative;
  margin-top: clamp(26px, 5vh, 56px);
  padding-block: 16px;
  overflow: hidden;
  z-index: var(--z-content);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-band {
  transform: rotate(-1.4deg) scale(1.03);
  border-block: 1px solid var(--hairline);
  background: linear-gradient(90deg, rgba(246, 165, 184, 0.16), rgba(255, 255, 255, 0.5) 40%, rgba(232, 176, 75, 0.14));
  padding-block: 12px;
}
.ticker-track {
  display: flex;
  width: max-content;
  animation: marquee 64s linear infinite;
}
.ticker-group {
  display: flex;
  align-items: center;
  gap: 26px;
  padding-right: 26px;
  flex: none;
}
.ticker-group span {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  white-space: nowrap;
}
.ticker-group i {
  font-size: 0.44rem;
  color: var(--crimson);
  opacity: 0.6;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ======================= 02 界面 ======================= */
.show-grid {
  display: grid;
  grid-template-columns: 0.74fr 1.26fr;
  gap: clamp(26px, 4vw, 64px);
  align-items: start;
}
.show-tab {
  display: flex;
  gap: 14px;
  width: 100%;
  padding: 20px 12px 20px 16px;
  text-align: left;
  border-top: 1px solid var(--hairline);
  position: relative;
  transition: background-color var(--dur-base) var(--ease-out), padding-left var(--dur-base) var(--ease-out);
}
.show-tab:last-of-type { border-bottom: 1px solid var(--hairline); }
.show-tab::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 2px; height: 0;
  background: linear-gradient(180deg, var(--rose), var(--crimson));
  border-radius: 2px;
  transform: translateY(-50%);
  transition: height var(--dur-base) var(--ease-out);
}
.show-tab-idx { color: var(--faint); padding-top: 6px; font-size: 0.6rem; }
.show-tab-body { display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 0; }
.show-tab-title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.1rem + 0.6vw, 1.65rem);
  line-height: 1.2;
  color: var(--ink);
  transition: color var(--dur-fast) var(--ease-out);
}
.show-tab-desc {
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--text-muted);
  opacity: 0.78;
  max-width: 34ch;
  text-wrap: pretty;
}
.show-tab-go {
  margin-left: auto;
  align-self: center;
  color: var(--accent);
  font-size: 0.9rem;
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity var(--dur-base), transform var(--dur-base) var(--ease-out);
}
.show-tab:hover { background: rgba(255, 255, 255, 0.42); padding-left: 22px; }
.show-tab:hover .show-tab-desc { opacity: 1; }
.show-tab.is-active { padding-left: 22px; background: linear-gradient(90deg, rgba(246, 165, 184, 0.14), transparent 70%); }
.show-tab.is-active::before { height: 62%; }
.show-tab.is-active .show-tab-title { color: var(--accent-ink); }
.show-tab.is-active .show-tab-desc { opacity: 1; }
.show-tab.is-active .show-tab-go { opacity: 1; transform: none; }

.show-note {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px dashed var(--hairline-strong);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.32);
}
.show-note .mono { color: var(--accent); font-size: 0.55rem; padding-top: 3px; }
.show-note p { font-size: 0.8rem; line-height: 1.7; color: var(--text-muted); }

.show-stage { position: relative; }
.shot-stack {
  position: relative;
  aspect-ratio: 1080 / 692;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow:
    0 40px 90px -46px rgba(74, 55, 40, 0.55),
    0 0 0 1px rgba(194, 58, 85, 0.14);
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out);
}
.shot-stack:hover {
  transform: translateY(-5px);
  box-shadow: 0 52px 110px -46px rgba(74, 55, 40, 0.6), 0 0 0 1px rgba(194, 58, 85, 0.2);
}
.shot {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.012);
  transition: opacity 520ms var(--ease-out), transform 900ms var(--ease-out);
  pointer-events: none;
}
.shot img { width: 100%; height: 100%; object-fit: cover; }
.shot.is-active { opacity: 1; transform: none; pointer-events: auto; }
.shot-glare {
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(255, 255, 255, 0.22), transparent 38%);
  pointer-events: none;
}
.shot-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  color: var(--faint);
}
.shot-meta .mono { font-size: 0.52rem; letter-spacing: 0.18em; }
.shot-meta-line { flex: 1; height: 1px; background: var(--hairline); }

/* ======================= 03 评分 ======================= */
.score { padding-top: clamp(60px, 7vw, 100px); }
.score-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
}
.score-hero { position: relative; padding-top: 8px; }
.score-watermark {
  position: absolute;
  left: -0.08em;
  top: -0.42em;
  font-family: var(--font-roman);
  font-size: 17rem;
  line-height: 1;
  color: rgba(194, 58, 85, 0.05);
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}
.score-number { display: flex; align-items: baseline; gap: 10px; position: relative; }

/* 手绘圈：把 94 圈起来，比任何图表都更像「体检报告」 */
.score-mark {
  position: absolute;
  left: -18px;
  top: -24px;
  width: min(252px, 100%);
  color: var(--crimson);
  opacity: 0.5;
  transform: rotate(-2.5deg);
  pointer-events: none;
}
.score-mark svg { width: 100%; height: auto; overflow: visible; }
.score-mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 760;
  stroke-dashoffset: 760;
  transition: stroke-dashoffset 2100ms var(--ease-out) 380ms;
}
.score-hero.is-in .score-mark path { stroke-dashoffset: 0; }
.score-number strong {
  font-family: var(--font-roman);
  font-size: clamp(5.4rem, 4rem + 7vw, 9rem);
  font-weight: 500;
  line-height: 0.78;
  letter-spacing: -0.03em;
  color: var(--crimson);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 20px 50px rgba(194, 58, 85, 0.18);
}
.score-unit { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; color: var(--faint); }
.score-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 46px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: rgba(79, 125, 85, 0.07);
  border: 1px solid rgba(79, 125, 85, 0.2);
  color: var(--ok);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
}
.score-tag .mono { font-size: 0.5rem; opacity: 0.7; }
.score-quote { margin-top: 20px; }

.score-scale {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  color: var(--faint);
}
.score-scale .mono { font-size: 0.46rem; letter-spacing: 0.1em; }
.scale-track {
  position: relative;
  flex: 1;
  height: 1px;
  background: var(--hairline);
}
.scale-track i {
  position: absolute;
  left: 0; top: -1px;
  height: 3px;
  width: 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--rose-soft), var(--rose) 55%, var(--crimson));
  transition: width 1500ms var(--ease-out) 260ms;
}
.score-hero.is-in .scale-track i { width: 94%; }
.scale-track b {
  position: absolute;
  left: 94%; top: -4px;
  width: 1px; height: 9px;
  background: var(--crimson);
  opacity: 0;
  transition: opacity 400ms var(--ease-out) 1600ms;
}
.score-hero.is-in .scale-track b { opacity: 1; }
.score-scale-note { margin-top: 8px; font-size: 0.46rem; color: var(--faint); letter-spacing: 0.08em; }

.score-log {
  margin-top: 26px;
  padding: 14px 16px;
  border: 1px dashed var(--hairline-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.34);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.score-log > div { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.score-log .mono { font-size: 0.46rem; color: var(--faint); letter-spacing: 0.1em; }
.score-log b { font-weight: 400; font-size: 0.74rem; color: var(--text-muted); text-align: right; }
.score-foot { margin-top: 24px; font-size: 0.54rem; line-height: 2; color: var(--faint); letter-spacing: 0.08em; }

.score-bars {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.46);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(10px);
}
.score-bars-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.5rem;
  color: var(--faint);
  letter-spacing: 0.16em;
}
.bar-row { border-bottom: 1px solid var(--hairline-neutral); padding-bottom: 18px; }
.bar-row:last-child { border-bottom: 0; padding-bottom: 0; }
.bar-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.bar-name { font-size: 0.95rem; color: var(--ink); letter-spacing: 0.02em; }
.bar-name em { font-size: 0.52rem; color: var(--faint); margin-left: 8px; letter-spacing: 0.08em; }
.bar-val {
  font-family: var(--font-roman);
  font-size: 1.55rem;
  font-weight: 500;
  line-height: 1;
  color: var(--crimson);
  font-variant-numeric: tabular-nums;
}
.bar-track {
  height: 5px;
  margin-top: 10px;
  border-radius: var(--r-pill);
  background: rgba(194, 58, 85, 0.1);
  overflow: hidden;
}
.bar-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--rose) 0%, var(--crimson) 78%, #a8324a 100%);
  box-shadow: 0 0 14px rgba(194, 58, 85, 0.35);
  transition: width 1250ms var(--ease-out);
}
.bar-row.is-in .bar-fill { width: var(--w); }
.bar-row:nth-child(2) .bar-fill { transition-delay: 90ms; }
.bar-row:nth-child(3) .bar-fill { transition-delay: 180ms; }
.bar-row:nth-child(4) .bar-fill { transition-delay: 270ms; }
.bar-row:nth-child(5) .bar-fill { transition-delay: 360ms; }
.bar-note { margin-top: 9px; font-size: 0.72rem; color: var(--faint); letter-spacing: 0.015em; }

.principle {
  margin-top: clamp(44px, 6vw, 72px);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.5);
}
.principle-mark {
  flex: none;
  width: 52px; height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.6);
}
.principle p { font-size: 0.88rem; line-height: 1.8; color: var(--text-muted); max-width: 72ch; }
.principle b { color: var(--ink); font-weight: 500; }
.principle-tag {
  margin-left: auto;
  flex: none;
  padding: 6px 11px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-pill);
  font-size: 0.5rem;
  color: var(--accent-ink);
  letter-spacing: 0.16em;
}

/* ======================= 04 实时监控（暗场） ======================= */
.live {
  position: relative;
  margin-block: clamp(40px, 6vw, 80px);
  padding-block: clamp(76px, 9vw, 124px);
  color: #fdf3ef;
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(194, 58, 85, 0.34), transparent 58%),
    radial-gradient(70% 60% at 92% 12%, rgba(232, 176, 75, 0.14), transparent 60%),
    linear-gradient(180deg, var(--night-2) 0%, var(--night) 46%, #120a0e 100%);
  overflow: hidden;
  z-index: var(--z-content);
}
.live::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.18) 0.6px, transparent 0.6px);
  background-size: 26px 26px;
  opacity: 0.14;
  mask-image: linear-gradient(180deg, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 70%);
  pointer-events: none;
}
.live-inner { position: relative; z-index: 1; }
.sec-head--dark h2 { color: #fff6f2; }
.sec-head--dark .sec-label { color: var(--rose); }
.sec-head--dark .sec-label .num { color: var(--amber); }
.sec-head--dark .sec-label i { background: rgba(246, 165, 184, 0.3); }
.sec-head--dark .sec-lead { color: rgba(253, 243, 239, 0.66); }

.live-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 26px;
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--r-xl);
  border: 1px solid rgba(246, 165, 184, 0.16);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.014));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 50px 110px -60px #000;
  overflow: hidden;
  backdrop-filter: blur(14px);
}
.live-glow {
  position: absolute;
  left: -12%; top: -40%;
  width: 55%; height: 90%;
  background: radial-gradient(circle, rgba(246, 165, 184, 0.22), transparent 62%);
  filter: blur(30px);
  pointer-events: none;
}
.live-main {
  position: relative;
  padding-right: 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.live-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.live-title { font-size: 0.86rem; letter-spacing: 0.08em; color: rgba(253, 243, 239, 0.72); }
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.52rem;
  letter-spacing: 0.16em;
  color: var(--rose);
}
.live-badge i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--rose);
  box-shadow: 0 0 0 0 rgba(246, 165, 184, 0.5);
  animation: live-ping 2s var(--ease-out) infinite;
}
@keyframes live-ping {
  0% { box-shadow: 0 0 0 0 rgba(246, 165, 184, 0.5); }
  70%, 100% { box-shadow: 0 0 0 8px rgba(246, 165, 184, 0); }
}
.live-big { display: flex; align-items: baseline; gap: 6px; margin-top: 14px; }
.live-big strong {
  font-family: var(--font-roman);
  font-size: clamp(3.6rem, 3rem + 3vw, 5.2rem);
  font-weight: 500;
  line-height: 0.86;
  color: #fff8f4;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.live-unit { font-family: var(--font-mono); font-size: 1rem; color: var(--rose); }
.live-big em { margin-left: 12px; font-size: 0.5rem; color: rgba(253, 243, 239, 0.56); letter-spacing: 0.16em; }
.live-chart-wrap { position: relative; height: 236px; margin-top: 16px; }
.live-chart-wrap canvas { width: 100%; height: 100%; }
.live-grid {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 25%);
  pointer-events: none;
  mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, 0.4));
  -webkit-mask-image: linear-gradient(180deg, #000, rgba(0, 0, 0, 0.4));
}
.live-now {
  position: absolute;
  right: 6px; top: 4px;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  background: rgba(246, 165, 184, 0.14);
  border: 1px solid rgba(246, 165, 184, 0.24);
  color: var(--rose);
  font-size: 0.5rem;
  letter-spacing: 0.1em;
}
.live-axis { display: flex; justify-content: space-between; margin-top: 6px; color: rgba(253, 243, 239, 0.52); }
.live-axis .mono { font-size: 0.46rem; letter-spacing: 0.1em; }

.live-side { display: flex; flex-direction: column; gap: 12px; }
.live-card {
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.032);
}
.live-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 0.76rem; color: rgba(253, 243, 239, 0.66); }
.live-card-head .mono { font-size: 0.46rem; color: rgba(253, 243, 239, 0.55); letter-spacing: 0.08em; }
.live-card-val { display: flex; align-items: baseline; gap: 3px; margin-top: 4px; }
.live-card-val strong {
  font-family: var(--font-roman);
  font-size: 2.1rem;
  font-weight: 500;
  line-height: 1;
  color: #fff8f4;
  font-variant-numeric: tabular-nums;
}
.live-card-val span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--rose); }
.mem-track { height: 5px; margin-top: 10px; border-radius: var(--r-pill); background: rgba(255, 255, 255, 0.1); overflow: hidden; }
.mem-track i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--rose), var(--crimson)); transition: width 900ms var(--ease-out); }
.live-card-foot { display: flex; justify-content: space-between; margin-top: 9px; color: rgba(253, 243, 239, 0.56); }
.live-card-foot .mono { font-size: 0.46rem; letter-spacing: 0.06em; }
.dot-down::before, .dot-up::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: 1px;
}
.dot-down::before { background: var(--rose); }
.dot-up::before { background: var(--amber); }
#netChart { width: 100%; height: 72px; margin-top: 8px; }
.live-card--quiet { display: flex; flex-direction: column; gap: 6px; }
.live-meta-row { display: flex; justify-content: space-between; gap: 10px; font-size: 0.74rem; color: rgba(253, 243, 239, 0.62); }
.live-meta-row .mono { font-size: 0.46rem; color: rgba(253, 243, 239, 0.84); letter-spacing: 0.06em; }

.cores { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.cores-head { display: flex; justify-content: space-between; color: rgba(253, 243, 239, 0.56); margin-bottom: 10px; }
.cores-head .mono { font-size: 0.46rem; letter-spacing: 0.16em; }
.cores-head b { color: var(--rose); font-weight: 400; }
.core-grid {
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  gap: 4px;
  height: 86px;
  align-items: end;
}
.core-bar {
  height: var(--h, 20%);
  min-height: 2px;
  border-radius: 2px 2px 0 0;
  background: linear-gradient(180deg, rgba(246, 165, 184, 0.95), rgba(194, 58, 85, 0.25));
  opacity: 0.85;
  transition: height 900ms var(--ease-out), opacity 300ms;
}
.core-bar:nth-child(3n) { opacity: 0.6; }

/* ======================= 05 兼容 ======================= */
.compat-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 24px);
  margin-bottom: 26px;
}
.compat-stat {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: linear-gradient(140deg, rgba(246, 165, 184, 0.2), rgba(255, 255, 255, 0.62) 55%, rgba(232, 176, 75, 0.12));
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 18px;
}
.compat-big { font-family: var(--font-roman); line-height: 1; letter-spacing: -0.03em; }
.compat-big b {
  font-size: clamp(4rem, 3rem + 4vw, 6.4rem);
  font-weight: 500;
  color: var(--crimson);
  font-variant-numeric: tabular-nums;
}
.compat-big span { font-size: 1.5rem; color: var(--faint); margin-left: 4px; }
.stamp {
  display: inline-block;
  padding: 8px 16px;
  border: 2px solid rgba(79, 125, 85, 0.45);
  border-radius: 8px;
  color: var(--ok);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  transform: rotate(-5deg);
  opacity: 0.9;
  mix-blend-mode: multiply;
}
.compat-stat p { width: 100%; font-size: 0.5rem; color: var(--faint); letter-spacing: 0.06em; line-height: 1.8; }

.compat-dist { width: 100%; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-top: 4px; }
.compat-dist span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 9px 12px;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.55);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.compat-dist b {
  font-family: var(--font-roman);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
}
.compat-dist span:first-child b { color: var(--ok); }
.compat-src { width: 100%; font-size: 0.46rem; color: var(--faint); letter-spacing: 0.06em; }

.compat-callout {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.48);
}
.tag-new {
  position: absolute;
  top: -9px; right: 22px;
  background: #f7dcaa;
  color: #6b4510;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 0.48rem;
  letter-spacing: 0.14em;
}
.compat-callout h3 { font-size: var(--fs-h3); margin-bottom: 8px; }
.compat-callout p { font-size: 0.86rem; line-height: 1.8; color: var(--text-muted); }
.mini-list { margin-top: 12px; display: flex; flex-direction: column; gap: 4px; }
.mini-list li { font-size: 0.78rem; color: var(--ink-soft); display: flex; gap: 8px; }
.mini-list li span { color: var(--accent); }

.checks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(255, 253, 251, 0.86);
  transition: background-color var(--dur-fast) var(--ease-out);
}
.check:hover { background: #fff; }
.check-icon {
  width: 15px; height: 15px;
  flex: none;
  border-radius: 50%;
  border: 1px solid rgba(79, 125, 85, 0.4);
  background: rgba(79, 125, 85, 0.08);
  position: relative;
}
.check-icon::after {
  content: "";
  position: absolute;
  left: 4px; top: 3px;
  width: 5px; height: 8px;
  border: solid var(--ok);
  border-width: 0 1px 1px 0;
  transform: rotate(40deg);
}
.check-icon--hot { border-color: rgba(232, 176, 75, 0.7); background: rgba(232, 176, 75, 0.12); }
.check-icon--hot::after { border-color: var(--amber-deep); }
.check-name { flex: 1; font-size: 0.82rem; color: var(--ink-soft); line-height: 1.4; }
.check-val { font-size: 0.5rem; color: var(--faint); letter-spacing: 0.04em; white-space: nowrap; }

.evidence {
  margin-top: 26px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.48);
}
.evidence-head, .evidence-row {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 0.5fr;
  gap: 12px;
  align-items: center;
  padding: 13px 20px;
}
.evidence-head {
  font-size: 0.48rem;
  color: var(--faint);
  letter-spacing: 0.16em;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.5);
}
.evidence-row { border-bottom: 1px solid var(--hairline-neutral); font-size: 0.82rem; }
.evidence-row:last-child { border-bottom: 0; }
.ev-name { color: var(--ink); }
.ev-val, .ev-req { font-size: 0.52rem; color: var(--text-muted); letter-spacing: 0.02em; }
.ev-res {
  justify-self: start;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 0.68rem;
}
.ev-res.is-pass { color: var(--ok); background: rgba(79, 125, 85, 0.09); border: 1px solid rgba(79, 125, 85, 0.2); }

/* ======================= 06 绿色承诺 ======================= */
.promise-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
}
.promise-intro { position: sticky; top: 130px; }
.promise-intro h2 { font-size: clamp(2rem, 1.2rem + 2.8vw, 3.6rem); line-height: 1.02; letter-spacing: -0.02em; }
.promise-intro h2 em { color: var(--accent); }
.promise-intro .sec-lead { margin-top: 24px; }
.promise-seal { margin-top: 36px; color: rgba(194, 58, 85, 0.55); }
.seal-text { font-family: var(--font-mono); font-size: 7px; letter-spacing: 0.16em; fill: currentColor; }
.seal-cn { font-family: var(--font-display); font-size: 1rem; fill: var(--crimson); letter-spacing: 0.1em; }
.seal-en { font-family: var(--font-mono); font-size: 6px; letter-spacing: 0.2em; fill: rgba(194, 58, 85, 0.6); }

.promise-list li {
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 24px 0;
  border-top: 1px solid var(--hairline);
  transition: padding-left var(--dur-base) var(--ease-out), background-color var(--dur-base) var(--ease-out);
}
.promise-list li:last-child { border-bottom: 1px solid var(--hairline); }
.promise-list li:hover { padding-left: 12px; background: linear-gradient(90deg, rgba(246, 165, 184, 0.12), transparent 72%); }
.p-idx { font-size: 0.52rem; color: var(--accent); padding-top: 7px; letter-spacing: 0.1em; }
.promise-list h3 { font-size: 1.24rem; letter-spacing: 0.005em; transition: color var(--dur-fast); }
.promise-list li:hover h3 { color: var(--accent-ink); }
.promise-list p { margin-top: 7px; font-size: 0.86rem; line-height: 1.8; color: var(--text-muted); }

/* ======================= 07 覆盖 ======================= */
.cov-runtime {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px 24px;
  padding-right: 224px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.44);
  margin-bottom: 18px;
}
.cov-runtime-stat {
  position: absolute;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  text-align: right;
  padding-left: 24px;
  border-left: 1px solid var(--hairline);
}
.cov-runtime-stat strong {
  display: block;
  font-family: var(--font-roman);
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1;
  color: var(--crimson);
  letter-spacing: -0.02em;
  font-variant-numeric: lining-nums tabular-nums;
}
.cov-runtime-stat strong span { font-size: 1.3rem; margin-left: 2px; }
.cov-runtime-stat em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-size: 0.66rem;
  line-height: 1.7;
  color: var(--faint);
  letter-spacing: 0.04em;
}
.cov-kicker { font-size: 0.52rem; color: var(--accent); letter-spacing: 0.18em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.cov-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.cov-card {
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0.32));
  transition: transform var(--dur-slow) var(--ease-out), box-shadow var(--dur-slow) var(--ease-out), border-color var(--dur-base);
}
.cov-card:hover {
  transform: translateY(-5px);
  border-color: rgba(194, 58, 85, 0.3);
  box-shadow: var(--shadow-2);
}
.cov-card header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.cov-card h3 { font-size: 1.2rem; }
.cov-card header span { font-size: 0.5rem; color: var(--faint); letter-spacing: 0.1em; }
.cov-card .chip { height: 29px; font-size: 0.76rem; padding: 0 11px; }
.cov-src {
  margin-top: 14px;
  padding-top: 11px;
  border-top: 1px dashed var(--hairline);
  font-size: 0.44rem;
  color: var(--faint);
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.cov-note { margin-top: 26px; text-align: center; font-size: 0.5rem; color: var(--faint); letter-spacing: 0.1em; line-height: 2; }

/* ======================= 08 问答 ======================= */
.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(32px, 7vw, 96px);
  align-items: start;
}
.faq-intro { position: sticky; top: 130px; }
.faq-intro h2 { font-size: var(--fs-h2); line-height: 1.06; }
.faq-intro .sec-lead { margin-top: 22px; }
.faq-item { border-top: 1px solid var(--hairline); }
.faq-item:last-child { border-bottom: 1px solid var(--hairline); }
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-ink); }
.faq-idx { font-size: 0.5rem; color: var(--accent); width: 22px; flex: none; letter-spacing: 0.1em; }
.faq-q { flex: 1; font-family: var(--font-display); font-size: 1.16rem; letter-spacing: 0.005em; }
.faq-sign {
  position: relative;
  width: 16px; height: 16px;
  flex: none;
}
.faq-sign::before, .faq-sign::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 12px; height: 1px;
  background: var(--accent);
  transform: translate(-50%, -50%);
  transition: transform var(--dur-base) var(--ease-out);
}
.faq-sign::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .faq-sign::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-a { padding: 0 4px 22px 42px; animation: faq-in 420ms var(--ease-out); }
.faq-a p { font-size: 0.87rem; line-height: 1.9; color: var(--text-muted); max-width: 58ch; text-wrap: pretty; }
@keyframes faq-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ======================= 下载 / 取件单 ======================= */
.download { padding-bottom: clamp(80px, 10vw, 140px); }
.dl-head { margin-bottom: clamp(32px, 4vw, 48px); }
.dl-head h2 { font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.02em; margin-top: 6px; }
.dl-head h2 em { color: var(--accent); }

.ticket {
  position: relative;
  display: grid;
  grid-template-columns: 1.34fr 0.66fr;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  background: linear-gradient(135deg, #fffdfb 0%, #fff4f2 55%, #ffe9ee 100%);
  box-shadow:
    var(--shadow-3),
    inset 0 1px 0 #fff;
  overflow: hidden;
}
.ticket::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(80% 120% at 100% 0%, rgba(246, 165, 184, 0.22), transparent 60%);
  pointer-events: none;
}
.ticket-main { padding: clamp(26px, 4vw, 52px); position: relative; display: flex; flex-direction: column; }
.ticket-topline { display: flex; justify-content: space-between; gap: 14px; font-size: 0.48rem; color: var(--faint); letter-spacing: 0.2em; margin-bottom: 26px; }
.ticket-title { display: flex; align-items: center; gap: 16px; }
.ticket-title img { width: 56px; height: 56px; border-radius: 50%; box-shadow: 0 8px 20px -8px rgba(194, 58, 85, 0.55); }
.ticket-title h3 { font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem); line-height: 1.2; }
.ticket-title p { margin-top: 5px; font-size: 0.78rem; color: var(--text-muted); }
.steps { margin-top: 26px; display: flex; flex-direction: column; gap: 11px; }
.steps li { display: flex; align-items: center; gap: 11px; }
.steps li span {
  width: 24px; height: 24px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  font-size: 0.46rem;
  color: var(--accent-ink);
  letter-spacing: 0.04em;
}
.steps li p { font-size: 0.84rem; color: var(--text-muted); }
.ticket-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

.ticket-fine { margin-top: auto; padding-top: 16px; font-size: 0.48rem; color: var(--faint); letter-spacing: 0.08em; }

.ticket-stub {
  position: relative;
  padding: clamp(24px, 3vw, 34px);
  border-left: 1px dashed rgba(194, 58, 85, 0.34);
  background: rgba(255, 255, 255, 0.36);
  display: flex;
  flex-direction: column;
}
.stub-cut {
  position: absolute;
  left: -13px;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid rgba(194, 58, 85, 0.16);
}
.stub-cut--top { top: -14px; }
.stub-cut--bottom { bottom: -14px; }
.stub-label { font-size: 0.48rem; color: var(--faint); letter-spacing: 0.2em; }
.stub-file { margin-top: 8px; display: flex; flex-direction: column; gap: 2px; }
.file-ext { font-size: 0.5rem; color: var(--accent); letter-spacing: 0.16em; }
.stub-file strong { font-family: var(--font-roman); font-size: 2.5rem; font-weight: 500; line-height: 1.05; color: var(--ink); }
.stub-file .mono { font-size: 0.44rem; color: var(--faint); letter-spacing: 0.08em; }
.sha {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px dashed var(--hairline-strong);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.55);
  text-align: left;
  transition: border-color var(--dur-fast), background-color var(--dur-fast);
}
.sha:hover { border-color: var(--accent); background: #fff; }
.sha-text { flex: 1; font-size: 0.42rem; line-height: 1.7; color: var(--text-muted); word-break: break-all; letter-spacing: 0.02em; }
.sha-copy { flex: none; font-size: 0.46rem; color: var(--accent-ink); border: 1px solid var(--hairline); border-radius: var(--r-pill); padding: 3px 8px; letter-spacing: 0.06em; }
.barcode {
  margin-top: 20px;
  height: 52px;
  border-radius: 2px;
  opacity: 0.72;
  background:
    repeating-linear-gradient(90deg, var(--ink) 0 2px, transparent 2px 5px, var(--ink) 5px 6px, transparent 6px 10px),
    repeating-linear-gradient(90deg, transparent 0 7px, var(--ink) 7px 9px, transparent 9px 13px);
  mask-image: linear-gradient(90deg, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, #000 92%, transparent);
}
.stub-foot { display: flex; justify-content: space-between; gap: 8px; margin-top: 8px; font-size: 0.42rem; color: var(--faint); letter-spacing: 0.08em; }
.stub-note { margin-top: auto; padding-top: 18px; display: flex; align-items: center; gap: 8px; font-size: 0.72rem; color: var(--text-muted); }

/* ======================= 页脚 ======================= */
.footer {
  position: relative;
  z-index: var(--z-content);
  border-top: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(249, 236, 229, 0.7));
  padding-top: 52px;
  overflow: hidden;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}
.footer-brand p { margin-top: 16px; font-size: 0.82rem; line-height: 1.95; color: var(--text-muted); }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.footer-links span { display: block; margin-bottom: 10px; font-size: 0.48rem; color: var(--faint); letter-spacing: 0.18em; }
.footer-links a { display: block; width: fit-content; padding: 4px 0; font-size: 0.83rem; color: var(--text-muted); transition: color var(--dur-fast), transform var(--dur-fast); }
.footer-links a:hover { color: var(--accent-ink); transform: translateX(3px); }
.footer-mark img { width: 150px; opacity: 0.4; mix-blend-mode: multiply; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  margin-top: 40px;
  padding-block: 20px 26px;
  border-top: 1px solid var(--hairline-neutral);
}
.footer-bottom .mono { font-size: 0.46rem; color: var(--faint); letter-spacing: 0.08em; }
.footer-legal { flex: 1; min-width: 220px; text-align: center; }
.to-top { transition: color var(--dur-fast); }
.to-top:hover { color: var(--accent-ink); }

/* ======================= 悬浮下载条 ======================= */
.dock {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: var(--z-dock);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 9px 10px 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: rgba(255, 252, 249, 0.86);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 20px 50px -22px rgba(139, 90, 60, 0.5);
  opacity: 0;
  transform: translateY(130%);
  transition: opacity var(--dur-base) var(--ease-out), transform 520ms var(--ease-spring);
  pointer-events: none;
}
.dock.is-on { opacity: 1; transform: none; pointer-events: auto; }
.dock-text { display: flex; flex-direction: column; line-height: 1.3; }
.dock-text strong { font-size: 0.78rem; font-weight: 500; color: var(--ink); }
.dock-text .mono { font-size: 0.46rem; color: var(--faint); letter-spacing: 0.06em; margin-top: 2px; }

/* ======================= 响应式 ======================= */
@media (max-width: 1180px) {
  .stage { max-width: 500px; }
  .hud--compat { right: 0; }
  .cov-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { min-height: auto; padding-top: 132px; }
  .hero-copy { max-width: 640px; }
  .stage { max-width: 430px; margin: 0 auto; }
  .hero-scroll { display: none; }
  .show-grid { grid-template-columns: 1fr; }
  .show-tabs { order: 2; }
  .show-stage { order: 1; }
  .show-tab { padding-block: 16px; }
  .show-tab-title { font-size: 1.3rem; }
  .score-grid { grid-template-columns: 1fr; gap: 40px; }
  .score-hero { max-width: 520px; }
  .score-watermark { font-size: 14rem; }
  .live-panel { grid-template-columns: 1fr; }
  .live-main { padding-right: 0; border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); padding-bottom: 22px; }
  .live-side { display: grid; grid-template-columns: 1fr 1fr; }
  .live-card--quiet { grid-column: 1 / -1; }
  .core-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); height: 92px; }
  .core-grid .core-bar { grid-row: auto; }
  .compat-top { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr; gap: 30px; }
  .promise-intro { position: static; }
  .promise-seal { display: none; }
  .faq-grid { grid-template-columns: 1fr; gap: 28px; }
  .faq-intro { position: static; }
  .ticket { grid-template-columns: 1.15fr 0.85fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-mark { display: none; }
}

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    background: rgba(255, 252, 249, 0.94);
    backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-2);
    opacity: 0;
    transform: translateY(-8px) scale(0.99);
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
  }
  .nav.is-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { padding: 12px 14px; border-radius: 12px; font-size: 0.95rem; }
  .nav-links a::after { display: none; }
  .nav-links a.is-active { background: rgba(246, 165, 184, 0.16); }
  .nav-toggle { display: block; }
  .nav-ghost { display: none; }
  .sec-head-grid { grid-template-columns: 1fr; gap: 18px; align-items: start; }
  .sec-lead { max-width: 58ch; }
  .checks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .evidence-head, .evidence-row { grid-template-columns: 1.2fr 1fr 0.9fr 0.5fr; padding: 12px 14px; }
  .ticket { grid-template-columns: 1fr; }
  .ticket-stub { border-left: 0; border-top: 1px dashed rgba(194, 58, 85, 0.34); }
  .stub-cut { left: auto; }
  .stub-cut--top { top: -14px; left: -14px; }
  .stub-cut--bottom { bottom: auto; top: -14px; right: -14px; left: auto; }
  .stub-note { margin-top: 18px; }
}

@media (max-width: 720px) {
  :root { --section-y: clamp(64px, 12vw, 96px); }
  .nav { top: 10px; }
  .nav-inner { height: 56px; }
  .hero { padding-top: 96px; }
  .hero-grid { gap: 22px; }
  .hero-title { margin-top: 14px; }
  .hero-lead { margin-top: 18px; }
  .hero-cta { margin-top: 22px; }
  .hand-note { margin-top: 10px; }
  .eyebrow .mono { display: none; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .hero-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 14px; }
  .stage { max-width: 380px; }
  .stage-rings { inset: -8% -4% -2%; }
  .rings-text { display: none; }
  .hud--score { width: 226px; left: -2%; padding: 10px 12px; gap: 10px; }
  .hud--compat { width: 188px; right: 0; padding: 9px 11px; }
  .hud--compat strong { font-size: 0.7rem; }
  .hud--status { left: 0; }
  .stage-chip { display: none; }
  .live-side { grid-template-columns: 1fr; }
  .live-card--quiet { grid-column: auto; }
  .cov-grid { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
  .evidence-head { display: none; }
  .evidence-row { grid-template-columns: 1fr auto; gap: 4px 12px; padding: 14px; }
  .ev-name { grid-column: 1 / -1; font-size: 0.86rem; }
  .ev-req { display: none; }
  .ev-res { grid-row: 2; grid-column: 2; align-self: center; }
  .principle { flex-wrap: wrap; padding: 18px; }
  .principle-tag { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-links { gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-legal { text-align: left; }
  .dock { left: 12px; right: 12px; bottom: 12px; justify-content: space-between; }
  .ticket-main, .ticket-stub { padding: 24px 20px; }
  .barcode { height: 44px; }
  .cov-runtime { padding-right: 22px; }
  .cov-runtime-stat {
    position: static;
    transform: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0 0;
    margin-top: 2px;
    border-left: 0;
    border-top: 1px dashed var(--hairline);
    text-align: left;
  }
  .cov-runtime-stat strong { font-size: 2.1rem; }
  .cov-runtime-stat em { margin-top: 0; }
  .compat-dist { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .score-bars { padding: 18px 16px; }
  .score-log b { font-size: 0.7rem; }
}

@media (max-width: 420px) {
  .brand-text em { display: none; }
  .stage { max-width: 330px; }
  .hud--status { top: 4%; }
  .hud-status-sub { display: none; }
  .hud--compat { top: 28%; width: 168px; }
  .hud--score { bottom: 4%; }
  .ticket-topline { font-size: 0.42rem; }
}

/* ======================= 02 界面 · 滚动钉住 + WebGL 翻页 ======================= */
.showcase { padding-block: 0; }
.pin-track { position: relative; height: 520vh; }
.pin-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: clip;
}
.pin-sticky .wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: clamp(72px, 10.5svh, 118px) clamp(12px, 2.4svh, 26px);
}
.pin-sticky .show-grid { align-items: center; }
.pin-sticky .shot-stack {
  width: min(100%, max(430px, calc((100svh - 356px) * 1.5607)));
  margin-left: auto;
}
.shot-gl {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 360ms var(--ease-out);
}
.shot-stack.gl-on .shot-gl { opacity: 1; }
.shot-stack.gl-on .shot { display: none; }

.pin-progress-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-block: 0;
  padding-bottom: clamp(14px, 2.6svh, 26px);
}
.pin-progress-row .mono { color: var(--faint); font-size: 0.52rem; letter-spacing: 0.16em; white-space: nowrap; }
.pin-progress-bar {
  flex: 1;
  height: 2px;
  background: var(--hairline);
  border-radius: 2px;
  overflow: hidden;
}
.pin-progress-bar i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--rose), var(--crimson));
  border-radius: 2px;
}
.pin-hint {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.52rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
  transition: opacity 320ms var(--ease-out);
}
.pin-hint svg { animation: hint-bob 1.6s var(--ease-soft) infinite; }
.pin-hint.is-done { opacity: 0; }
@keyframes hint-bob {
  0%, 100% { transform: translateY(-1.5px); }
  50% { transform: translateY(2px); }
}

@media (max-width: 900px) {
  .pin-track { height: 420vh; }
  .pin-sticky .shot-stack { width: 100%; max-width: 560px; margin-inline: auto; }
}
@media (max-width: 760px) {
  .pin-track { height: 380vh; }
  .pin-sticky .sec-head-grid h2 { font-size: 1.72rem; }
  .pin-sticky .sec-lead { font-size: 0.82rem; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .pin-sticky .show-note { display: none; }
  .pin-sticky .show-tab { padding-block: 11px; gap: 10px; }
  .pin-sticky .show-tab-title { font-size: 1.14rem; }
  .pin-sticky .show-tab-desc { display: none; }
  .pin-sticky .show-tab-idx { padding-top: 2px; }
  .pin-progress-row .mono { font-size: 0.46rem; letter-spacing: 0.1em; }
  .pin-hint { display: none; }
}
@media (max-height: 700px) {
  .pin-sticky .show-note { display: none; }
  .pin-sticky .sec-lead { display: none; }
}