/* ============================================================
   ASTON MARTIN VALKYRIE — v4
   字体:Cormorant Garamond Light(西文标题/引语)× 宋体(中文标题)
        × Rajdhani(数字与标签)× 系统无衬线(正文)
   排版原则:标题收紧字距、标签统一宽度、层级三档、留白成体系
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face {
  font-family: 'Valkyrie Serif';
  src: url('../fonts/cg-var.woff2') format('woff2');
  font-weight: 300 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Valkyrie Serif';
  src: url('../fonts/cg-italic-400.woff2') format('woff2');
  font-weight: 400; font-style: italic; font-display: swap;
}
@font-face {
  font-family: 'Valkyrie Mono';
  src: url('../fonts/valkyrie-mono-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Valkyrie Mono';
  src: url('../fonts/valkyrie-mono-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Valkyrie Mono';
  src: url('../fonts/valkyrie-mono-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}

/* ---------- 变量 ---------- */
:root {
  --bg:          #060907;
  --bg-soft:     #0a0f0c;
  --panel:       #0e1511;
  --ink:         #f2f5f1;
  --ink-dim:     #a8b0aa;
  --ink-faint:   #79817b;
  --green:       #22574a;
  --green-mid:   #2f7a66;
  --green-bri:   #5cc9a6;
  --green-glow:  rgba(92, 201, 166, 0.14);
  --lime:        #c9d175;
  --gold:        #b3956f;
  --line:        rgba(242, 245, 241, 0.12);
  --line-soft:   rgba(242, 245, 241, 0.07);
  --glass:       rgba(8, 14, 11, 0.55);
  --font-display: 'Valkyrie Serif', 'Noto Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-text: 'Segoe UI', system-ui, 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Valkyrie Mono', 'Consolas', monospace;
  --w-doc: 1280px;
  --w-prose: 660px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  /* 标签统一规格 */
  --tag-size: 0.72rem;
  --tag-track: 0.42em;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; overflow-anchor: none; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  font-variant-numeric: tabular-nums;
}
::selection { background: var(--green-mid); color: #fff; }
img { display: block; max-width: 100%; height: auto; }
video { display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }
.mono { font-family: var(--font-mono); letter-spacing: 0.06em; }

.wrap { max-width: var(--w-doc); margin: 0 auto; padding: 0 clamp(1.5rem, 5vw, 4rem); }

/* 标签:全站统一(小号、宽字距、大写) */
.tag {
  font-family: var(--font-mono);
  font-size: var(--tag-size);
  letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- 滚动显现 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__kicker, .hero__title, .hero__sub, .hero__desc, .hero__data, .hero__scroll { opacity: 1; transform: none; transition: none; }
  .cb-anim { opacity: 1; transform: none; transition: none; }
  .chapter-break__rule { width: 100%; transition: none; }
  .lap__time .digit { opacity: 1; transform: none; transition: none; }
  .hero__title span { animation: none; transform: none; }
  .tl-item--now::before { animation: none; }
  .specs-tabs__panel.is-on { animation: none; }
}

/* ---------- 顶栏 ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 24px;
  transition: background 0.5s, padding 0.5s, backdrop-filter 0.5s, opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.nav.is-hero { opacity: 0; pointer-events: none; transform: translateY(-8px); }
.nav.is-solid {
  background: rgba(6, 9, 7, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.nav__brand { display: flex; align-items: baseline; gap: 12px; color: #fff; }
.nav__brand-mark {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  white-space: nowrap;
}
.nav__brand-mark span { color: var(--green-bri); }
.nav__now {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.22em;
  color: var(--ink-dim);
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(10, 15, 12, 0.6);
  white-space: nowrap; max-width: 34vw;
  overflow: hidden; text-overflow: ellipsis;
  transition: border-color 0.3s;
}
.nav__now::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-bri);
  box-shadow: 0 0 8px rgba(92, 201, 166, 0.8);
  flex-shrink: 0;
}
.nav__lang { justify-self: end; display: inline-flex; align-items: center; gap: 10px; }
.lang-btn {
  padding: 8px 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.2em;
  color: var(--ink-dim);
  position: relative;
  transition: color 0.3s;
}
.lang-btn::after {
  content: '';
  position: absolute; left: 6px; right: 6px; bottom: 4px;
  height: 1px; background: var(--green-bri);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease);
}
.lang-btn:hover { color: var(--ink); }
.lang-btn:hover::after, .lang-btn.is-on::after { transform: scaleX(1); }
.lang-btn.is-on { color: var(--ink); }
.nav__menu-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.24em;
  color: var(--ink);
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(10, 15, 12, 0.6);
  transition: border-color 0.3s;
}
.nav__menu-btn:hover { border-color: var(--green-mid); }
.nav__menu-icon { position: relative; width: 16px; height: 10px; }
.nav__menu-icon i {
  position: absolute; left: 0;
  width: 16px; height: 1px;
  background: currentColor;
  transition: transform 0.35s var(--ease), opacity 0.25s;
}
.nav__menu-icon i:first-child { top: 0; }
.nav__menu-icon i:nth-child(2) { top: 4.5px; }
.nav__menu-icon i:last-child { bottom: 0; }
.nav__menu-btn[aria-expanded="true"] i:first-child { transform: translateY(4.5px) rotate(45deg); }
.nav__menu-btn[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.nav__menu-btn[aria-expanded="true"] i:last-child { transform: translateY(-4.5px) rotate(-45deg); }
.nav__progress { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; }
.nav__progress i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, var(--green-mid), var(--green-bri));
  box-shadow: 0 0 10px rgba(92, 201, 166, 0.5);
}

/* ---------- 章节菜单浮层 ---------- */
.menu-overlay {
  position: fixed; inset: 0; z-index: 89;
  background: rgba(6, 9, 7, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.menu-overlay.is-open { opacity: 1; visibility: visible; }
.menu-overlay__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(150px, 250px));
  gap: 2px 44px;
  padding: 24px;
}
.menu-overlay__nav a {
  display: flex; gap: 14px; align-items: baseline;
  padding: 13px 10px;
  font-family: var(--font-display);
  font-size: 1.45rem; font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.3s, border-color 0.3s, padding-left 0.3s;
}
.menu-overlay__nav a:hover { color: var(--green-bri); border-color: var(--green-mid); padding-left: 18px; }
.menu-overlay__nav a .idx { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }
.menu-overlay__sub {
  position: absolute; bottom: 6vh; left: 0; right: 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.3em;
  color: var(--ink-faint); text-transform: uppercase;
}

/* ---------- 滚动进度表盘 ---------- */
.scroll-gauge {
  position: fixed; right: 26px; bottom: 26px;
  width: 44px; height: 44px;
  z-index: 90; opacity: 0;
  transition: opacity 0.5s;
  cursor: pointer;
}
.scroll-gauge.is-on { opacity: 1; }
.scroll-gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.scroll-gauge circle { fill: none; stroke-width: 2; }
.scroll-gauge .sg__track { stroke: var(--line); }
.scroll-gauge .sg__bar {
  stroke: var(--green-bri);
  stroke-linecap: round;
  stroke-dasharray: 119.4;
  stroke-dashoffset: 119.4;
}
.sg__num {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 0.62rem; color: var(--ink-dim);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.92) saturate(0.92) contrast(1.04); }
.hero__parallax { will-change: transform; transform: scale(1.1); }
.hero__veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 100%, rgba(6, 9, 7, 0.92) 0%, rgba(6, 9, 7, 0.42) 46%, rgba(6, 9, 7, 0.1) 78%),
    linear-gradient(to bottom, rgba(6, 9, 7, 0.42) 0%, rgba(6, 9, 7, 0.06) 40%, rgba(6, 9, 7, 0.9) 100%);
}
.hero__content {
  position: relative; z-index: 2;
  width: min(var(--w-doc), calc(100% - clamp(3rem, 10vw, 8rem)));
  margin: 0 auto;
  padding-bottom: clamp(2.2rem, 5vh, 3.6rem);
}
.hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--green-bri);
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
  opacity: 0; transform: translateY(14px);
  transition: opacity 1s var(--ease) 0.2s, transform 1s var(--ease) 0.2s;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.6rem, 11vw, 9.8rem);
  line-height: 1;
  letter-spacing: 0.055em;
  color: var(--ink);
  margin-top: 1.2rem;
  text-shadow: 0 3px 40px rgba(0, 0, 0, 0.6);
  opacity: 0; transform: translateY(22px);
  transition: opacity 1.1s var(--ease) 0.38s, transform 1.1s var(--ease) 0.38s;
}
.hero__sub {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.1rem, 2.2vw, 1.55rem);
  letter-spacing: 0.1em;
  color: rgba(242, 245, 241, 0.9);
  margin-top: 1.15rem;
  opacity: 0; transform: translateY(16px);
  transition: opacity 1s var(--ease) 0.55s, transform 1s var(--ease) 0.55s;
}
.hero__desc {
  margin-top: 1.1rem;
  max-width: 540px;
  font-size: 0.92rem;
  line-height: 1.9;
  color: #d9d9de;
  opacity: 0; transform: translateY(16px);
  transition: opacity 1s var(--ease) 0.7s, transform 1s var(--ease) 0.7s;
}
.hero__data {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: clamp(1.6rem, 4.5vw, 4rem);
  margin-top: clamp(1.6rem, 4vh, 2.6rem);
  opacity: 0; transform: translateY(16px);
  transition: opacity 1s var(--ease) 0.85s, transform 1s var(--ease) 0.85s;
}
.hero.is-in .hero__kicker, .hero.is-in .hero__title,
.hero.is-in .hero__sub, .hero.is-in .hero__desc,
.hero.is-in .hero__data { opacity: 1; transform: none; }
.hero__data > div { display: flex; align-items: baseline; gap: 0.55rem; }
.hero__data b {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.5rem, 5.2vw, 4rem);
  line-height: 1; letter-spacing: 0;
  color: var(--ink);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.7);
}
.hero__data b em {
  font-style: normal;
  color: var(--ink-faint);
  font-size: 0.34em;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-left: 0.2em;
}
.hero__data span {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.15vw, 1.05rem); letter-spacing: 0.14em;
  color: var(--ink-dim);
  white-space: nowrap;
}
.hero__scroll {
  position: absolute; bottom: 2rem; right: clamp(1.5rem, 5vw, 4rem);
  z-index: 2;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.5em;
  color: var(--ink-faint);
  display: flex; gap: 0.7rem; align-items: center;
  opacity: 0;
  transition: opacity 1s var(--ease) 1.2s;
}
.hero.is-in .hero__scroll { opacity: 1; }
.hero__scroll::after {
  content: '';
  width: 1px; height: 3.4rem;
  background: linear-gradient(to bottom, var(--green-bri), transparent);
  animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 章节分隔页(二字标题 · 宽字距)---------- */
.chapter-break {
  padding: clamp(5rem, 12vh, 9rem) 0 clamp(3rem, 7vh, 5rem);
  position: relative; overflow: hidden;
  border-top: 1px solid var(--line-soft);
}
.chapter-break--dark { background: var(--bg-soft); }
.chapter-break__wm {
  position: absolute; right: -2vw; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(12rem, 30vw, 26rem);
  line-height: 1;
  color: rgba(242, 245, 241, 0.025);
  pointer-events: none; user-select: none;
}
.chapter-break__inner {
  max-width: var(--w-doc);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  display: flex; align-items: flex-start;
  gap: clamp(1.6rem, 3.4vw, 3rem);
  position: relative;
}
.chapter-break__no {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(92, 201, 166, 0.4);
  flex-shrink: 0;
  padding-top: 0.42rem;
}
.chapter-break h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0.22em;          /* 二字标题:宽字距 */
  margin-right: -0.22em;           /* 视觉补偿 */
  padding-top: 0.5rem;
}
.chapter-break h2 .latin {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 0.24em; letter-spacing: 0.34em;
  color: var(--ink-faint);
  margin-top: 1rem;
  text-transform: uppercase;
}
.chapter-break__sub {
  margin-top: 1.1rem;
  font-size: 1rem;
  color: var(--ink-dim);
  max-width: 42em;
  letter-spacing: 0.02em;
}
.chapter-break__rule {
  position: absolute; left: 0; bottom: 0;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--green-mid), transparent 70%);
  transition: width 1.1s var(--ease) 0.35s;
}
.chapter-break.is-in .chapter-break__rule { width: 100%; }
.cb-anim { opacity: 0; transform: translateY(18px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.chapter-break.is-in .cb-anim { opacity: 1; transform: none; }
.chapter-break.is-in .cb-anim--2 { transition-delay: 0.08s; }
.chapter-break.is-in .cb-anim--3 { transition-delay: 0.16s; }

/* ---------- 通用章节 ---------- */
.chapter { padding: clamp(3rem, 8vh, 6rem) 0; position: relative; }
.chapter--dark { background: var(--bg-soft); }
.ch-head { margin-bottom: clamp(2.2rem, 6vh, 4rem); }
.ch-head__tag {
  display: flex; align-items: center; gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.2rem;
}
.ch-head__tag::before { content: ''; width: 3rem; height: 1px; background: var(--line); }
.sec-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  line-height: 1.2; letter-spacing: 0.06em;
}
.sec-title .latin {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.4em; letter-spacing: 0.3em;
  color: var(--ink-faint);
  margin-top: 0.7rem;
  text-transform: uppercase;
}

/* 段落 */
.prose { max-width: var(--w-prose); }
.prose p { margin-bottom: 1.35em; }
.prose p b { color: var(--ink); font-weight: 600; }
.prose--center { margin: 0 auto; text-align: center; }
.lead {
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  line-height: 1.8;
  color: var(--ink);
  letter-spacing: 0.01em;
  font-weight: 350;
}

/* ---------- 引语(衬线斜体)---------- */
.quote {
  max-width: 780px;
  margin: clamp(2.5rem, 6vh, 4rem) auto;
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1.6rem, 3.5vw, 2.8rem);
  border-left: 1px solid var(--green-mid);
  background: linear-gradient(90deg, rgba(47, 122, 102, 0.07), transparent 65%);
}
.quote blockquote {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.6;
  letter-spacing: 0.015em;
  color: var(--ink);
}
.quote figcaption {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.24em;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.quote figcaption b { color: var(--green-bri); font-weight: 600; }
.quote__en {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.92rem; line-height: 1.65;
  color: var(--ink-faint);
  text-transform: none;
  letter-spacing: 0.01em;
}

/* ---------- 大数字(bigstats)---------- */
.bigstats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin: clamp(2rem, 5vh, 3.2rem) 0;
}
.bigstats__item {
  background: var(--bg);
  padding: clamp(1.1rem, 2.4vw, 1.7rem) clamp(0.9rem, 2vw, 1.4rem);
  display: flex; flex-direction: column; gap: 0.3rem;
}
.chapter--dark .bigstats__item { background: var(--bg-soft); }
.bigstats__item b {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.7rem);
  line-height: 1; letter-spacing: 0.01em;
}
.bigstats__item b em { font-style: normal; color: var(--green-bri); }
.bigstats__item span {
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.26em;
  color: var(--ink-faint); text-transform: uppercase;
}

/* ---------- 图文行(media-row)---------- */
.media-row {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: clamp(1.8rem, 4vw, 3.4rem);
  align-items: center;
  margin-top: clamp(1.8rem, 5vh, 3rem);
}
.media-row--flip .media-row__media { order: 2; }
.media-row__media { position: relative; overflow: hidden; border: 1px solid var(--line-soft); }
.media-row__media img, .media-row__media video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.02);
  transition: transform 0.9s var(--ease), filter 0.8s;
}
.media-row__media:hover img, .media-row__media:hover video { transform: scale(1.035); filter: saturate(1); }
.media-row__cap {
  position: absolute; left: 14px; bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.26em;
  color: rgba(242, 245, 241, 0.82);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
  text-transform: uppercase;
}
.media-row__body .lbl {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--green-bri);
  margin-bottom: 0.9rem;
}
.media-row__body h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.2; letter-spacing: 0.05em;
  margin-bottom: 0.9rem;
}
.media-row__body p { color: var(--ink-dim); font-size: 0.98rem; margin-bottom: 0.9em; }
.media-row__body p b { color: var(--ink); font-weight: 600; }
.media-row__list { list-style: none; margin-top: 0.4rem; }
.media-row__list li {
  display: flex; justify-content: space-between; gap: 1.2rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.9rem;
}
.media-row__list li span { color: var(--ink-faint); }
.media-row__list li b { font-family: var(--font-mono); font-weight: 500; color: var(--ink); text-align: right; }

/* ---------- 全宽背景视频(chapter-video)---------- */
.chapter-video {
  position: relative;
  overflow: hidden;
  margin-top: clamp(1.8rem, 5vh, 3rem);
}
.chapter-video video, .chapter-video img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  filter: brightness(0.9) saturate(0.9) contrast(1.03);
}
.chapter-video__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(6, 9, 7, 0.32) 0%, rgba(6, 9, 7, 0.05) 34%, rgba(6, 9, 7, 0.86) 100%),
    linear-gradient(to right, rgba(6, 9, 7, 0.42), transparent 52%);
}
.chapter-video__inner {
  position: absolute; left: 0; right: 0; bottom: 0;
  width: min(var(--w-doc), calc(100% - clamp(3rem, 10vw, 8rem)));
  margin: 0 auto;
  padding-bottom: clamp(1.8rem, 4.5vh, 3rem);
}
.chapter-video__no {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--green-bri);
}
.chapter-video__inner h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.6vw, 2.7rem);
  line-height: 1.15; letter-spacing: 0.04em;
  margin-top: 0.7rem;
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.7);
}
.chapter-video__inner p {
  margin-top: 0.8rem;
  max-width: 36em;
  font-size: 0.95rem; line-height: 1.85;
  color: rgba(242, 245, 241, 0.86);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.7);
}

/* ---------- 视频卡(不对称 2+1)---------- */
.vcards {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(1rem, 2.2vw, 1.6rem);
  margin-top: clamp(1.8rem, 5vh, 3rem);
}
.vcard { position: relative; overflow: hidden; border: 1px solid var(--line-soft); background: #000; }
.vcard--wide { grid-column: span 4; }
.vcard--tall  { grid-column: span 2; }
.vcard video, .vcard img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16 / 9; }
.vcard--tall video, .vcard--tall img { aspect-ratio: 3 / 3.4; }
.vcard--wide video, .vcard--wide img { aspect-ratio: 21 / 10; }
.vcard__body {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.7rem 1.1rem 0.95rem;
  background: linear-gradient(to top, rgba(6, 9, 7, 0.92), transparent);
}
.vcard__body .no {
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.38em;
  text-transform: uppercase; color: var(--green-bri);
}
.vcard__body h4 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.2rem; letter-spacing: 0.05em; margin-top: 0.3rem;
  color: var(--ink);
}
.vcard__body p { font-size: 0.84rem; color: rgba(242, 245, 241, 0.75); margin-top: 0.25rem; }

/* ---------- 竖版图卡(错位排布)---------- */
.portrait-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 2.2vw, 1.6rem);
  margin-top: clamp(2.2rem, 5vh, 3.4rem);
}
.pcard { border: 1px solid var(--line-soft); background: var(--panel); overflow: hidden; position: relative; }
/* 光边跟随(tilt 由 JS 控制,光边由 --mx/--my 驱动) */
.pcard::after, .vcard::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), rgba(92, 201, 166, 0.12), transparent 42%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.pcard:hover::after, .vcard:hover::after { opacity: 1; }
.pcard, .vcard { will-change: transform; transition: border-color 0.4s; }
.pcard:hover, .vcard:hover { border-color: rgba(92, 201, 166, 0.35); }
.pcard img {
  width: 100%; aspect-ratio: 3 / 3.6;
  object-fit: cover;
  filter: saturate(0.88);
  transition: transform 0.9s var(--ease), filter 0.8s;
}
.pcard:hover img { transform: scale(1.04); filter: saturate(1); }
.pcard__body { padding: 0.95rem 1.05rem 1.1rem; }
.pcard__body .no {
  font-family: var(--font-mono);
  font-size: 0.64rem; letter-spacing: 0.38em;
  text-transform: uppercase; color: var(--green-bri);
}
.pcard__body h4 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.18rem; letter-spacing: 0.04em;
  margin-top: 0.35rem;
}
.pcard__body p { margin-top: 0.4rem; font-size: 0.85rem; line-height: 1.7; color: var(--ink-dim); }

/* ---------- 时间线 ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(0.8rem, 1.8vw, 1.3rem);
  margin-top: clamp(2rem, 5vh, 3.2rem);
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; right: 0; top: 9px;
  height: 1px;
  background: linear-gradient(90deg, var(--green-mid), var(--line-soft));
}
.tl-item { position: relative; padding-top: 1.6rem; }
.tl-item::before {
  content: '';
  position: absolute; top: 4px; left: 0;
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--green-bri);
  background: var(--bg);
  box-shadow: 0 0 10px rgba(92, 201, 166, 0.4);
}
.tl-item--now::before { background: var(--green-bri); }
.tl-item__year {
  font-family: var(--font-mono); font-weight: 600;
  font-size: 1.2rem; color: var(--green-bri);
  letter-spacing: 0.04em;
}
.tl-item h4 {
  font-family: var(--font-display); font-weight: 400;
  font-size: 1.08rem; letter-spacing: 0.08em;
  margin-top: 0.3rem;
}
.tl-item p { margin-top: 0.35rem; font-size: 0.84rem; line-height: 1.7; color: var(--ink-dim); }

/* ---------- 圆圈数据卡(gauges)---------- */
.gauges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  margin: clamp(2rem, 5vh, 3.4rem) 0;
}
.gauge { text-align: center; }
.gauge__svg { position: relative; width: min(200px, 78%); margin: 0 auto; }
.gauge__svg svg { width: 100%; height: auto; transform: rotate(180deg); }
.gauge circle { fill: none; stroke-width: 10; }
.gauge .gauge__track { stroke: var(--line-soft); }
.gauge .gauge__bar {
  stroke: var(--green-mid);
  stroke-linecap: butt;
  stroke-dasharray: 527.8;
  stroke-dashoffset: 527.8;
  transition: stroke-dashoffset 2.2s var(--ease);
}
.gauge.is-on .gauge__bar { stroke-dashoffset: var(--gauge-off, 0); }
.gauge__svg figcaption {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  gap: 4px;
}
.gauge__svg figcaption b {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}
.gauge__unit {
  font-family: var(--font-mono);
  font-size: 0.7rem; color: var(--ink-faint);
  align-self: flex-end; padding-bottom: 0.5rem;
}
.gauge__label { margin-top: 0.8rem; font-size: 0.92rem; color: var(--ink-dim); }
.gauge__label small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.2em;
  color: var(--ink-faint);
  margin-top: 0.25rem;
}

/* ---------- 遮盖滚动画廊 ---------- */
.gallery { position: relative; display: flex; flex-direction: row; }
.gallery__texts { width: 100%; position: relative; z-index: 2; }
.g-text {
  min-height: 130vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(1.25rem, 3.5vw, 2.6rem);
}
.g-text--right { align-items: flex-end; text-align: right; }
.g-text--left { align-items: flex-start; text-align: left; }
.g-text__card {
  max-width: 46ch;
  padding: clamp(1.1rem, 2.6vw, 1.8rem);
  border-radius: 4px;
  background: var(--glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(242, 245, 241, 0.09);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  transition: border-color 0.5s, transform 0.6s var(--ease), opacity 0.5s var(--ease);
}
.g-text__card.is-out { transform: translateY(-46px); opacity: 0; }
.g-text__card.is-on { border-color: rgba(92, 201, 166, 0.35); }
.g-text__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--green-bri);
  margin-bottom: 0.7rem;
}
.g-text__card h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.18; letter-spacing: 0.04em;
}
.g-text__card p { margin-top: 0.7rem; font-size: 0.95rem; line-height: 1.8; color: var(--ink-dim); }
.gallery__media { position: absolute; inset: 0; z-index: 1; }
.g-sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; background: var(--bg-soft); }
.g-image { position: absolute; inset: 0; clip-path: inset(100% 0% 0%); will-change: clip-path; }
.g-image:first-of-type { clip-path: inset(0% 0% 0%); }
.g-image img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.02) contrast(1.02); }
.g-image__veil {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(6, 9, 7, 0.2) 0%, transparent 32%, transparent 62%, rgba(6, 9, 7, 0.28) 100%),
              linear-gradient(to right, rgba(6, 9, 7, 0.34), transparent 46%);
  pointer-events: none;
}
.g-count {
  position: absolute;
  right: clamp(1.2rem, 3.5vw, 2.4rem);
  top: clamp(5.4rem, 9vh, 6.6rem);
  font-family: var(--font-mono);
  font-size: 0.76rem; letter-spacing: 0.32em;
  color: rgba(242, 245, 241, 0.75);
  z-index: 3;
}
.g-count b { color: var(--green-bri); font-weight: 600; }

/* ---------- 银石计时(laptime)---------- */
.lap { text-align: center; padding: clamp(3rem, 8vh, 5.5rem) 0 clamp(2rem, 5vh, 3rem); }
.lap__tag {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--ink-faint);
}
.lap__time {
  font-family: var(--font-mono); font-weight: 700;
  font-size: clamp(2.7rem, 8.5vw, 6.8rem);
  line-height: 1.05;
  letter-spacing: 0.03em;
  color: var(--ink);
  margin-top: 1rem;
  display: inline-flex;
  align-items: baseline;
}
.lap__time .lap__sep { color: var(--green-mid); padding: 0 0.06em; }
.lap__time .lap__ms { color: var(--green-bri); }
.lap__time .digit {
  display: inline-block;
  opacity: 0; transform: translateY(0.5em);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  transition-delay: calc(var(--i) * 0.09s);
}
.lap.is-in .lap__time .digit { opacity: 1; transform: none; }
.lap__note {
  margin-top: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem; letter-spacing: 0.3em;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.lap__note b { color: var(--green-bri); font-weight: 600; }

/* ---------- 圈速对比行(rec-line)---------- */
.rec-line { margin-top: clamp(2rem, 5vh, 3.2rem); }
.rec-line__item {
  display: grid;
  grid-template-columns: 5.2rem 1fr auto;
  gap: 1.2rem;
  align-items: center;
  padding: 0.85rem clamp(0.6rem, 1.6vw, 1.2rem);
  border-bottom: 1px solid var(--line-soft);
  transition: background 0.3s;
}
.rec-line__item:hover { background: rgba(47, 122, 102, 0.06); }
.rec-line__item--hero {
  border: 1px solid rgba(92, 201, 166, 0.35);
  background: rgba(47, 122, 102, 0.08);
  margin-bottom: 0.4rem;
}
.rec-line__year { font-family: var(--font-mono); font-weight: 500; font-size: 0.84rem; color: var(--ink-faint); letter-spacing: 0.06em; }
.rec-line__item--hero .rec-line__year { color: var(--green-bri); }
.rec-line__name { font-size: 0.95rem; color: var(--ink); }
.rec-line__name small { display: block; font-size: 0.78rem; color: var(--ink-faint); }
.rec-line__val { font-family: var(--font-mono); font-weight: 600; font-size: clamp(1.05rem, 2vw, 1.4rem); white-space: nowrap; }
.rec-line__val em { font-style: normal; color: var(--green-bri); }
.rec-line__val small { font-size: 0.66em; color: var(--ink-faint); font-weight: 500; margin-left: 0.3em; letter-spacing: 0.08em; }

/* ---------- 全屏滚动图列(reel)---------- */
.reel { position: relative; }
.reel__frame {
  position: relative;
  height: 100svh;
  overflow: hidden;
  display: flex; align-items: flex-end;
}
.reel__frame img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
  filter: brightness(0.94) saturate(0.95);
}
.reel__veil {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(6, 9, 7, 0.5) 0%, transparent 26%, transparent 55%, rgba(6, 9, 7, 0.88) 100%);
}
.reel__content {
  position: relative; z-index: 2;
  width: min(var(--w-doc), calc(100% - clamp(3rem, 10vw, 8rem)));
  margin: 0 auto;
  padding-bottom: clamp(2rem, 6vh, 3.8rem);
}
.reel__no {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase;
  color: var(--green-bri);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.8);
}
.reel__content h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.7rem, 3.8vw, 2.8rem);
  line-height: 1.15; letter-spacing: 0.03em;
  margin-top: 0.7rem;
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.75);
}
.reel__content p {
  margin-top: 0.7rem;
  max-width: 34em;
  font-size: 0.95rem; line-height: 1.8;
  color: rgba(242, 245, 241, 0.86);
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.75);
}
.reel__data {
  display: flex; flex-wrap: wrap;
  gap: clamp(1.2rem, 3vw, 2.6rem);
  margin-top: 1.1rem;
  font-family: var(--font-mono);
}
.reel__data span { font-size: 0.66rem; letter-spacing: 0.28em; color: rgba(242, 245, 241, 0.55); text-transform: uppercase; }
.reel__data b { font-weight: 600; font-size: 1.15rem; color: var(--ink); display: block; }
.reel__data b em { font-style: normal; color: var(--green-bri); }

/* ---------- 规格 tabs ---------- */
.specs-tabs { margin-top: clamp(1.6rem, 4vh, 2.6rem); }
.specs-tabs__nav { display: flex; flex-wrap: wrap; gap: 0.5rem; border-bottom: 1px solid var(--line); }
.specs-tabs__btn {
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.24em;
  color: var(--ink-faint);
  padding: 0.75rem 1.05rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.3s, border-color 0.3s;
  text-transform: uppercase;
  white-space: nowrap;
}
.specs-tabs__btn:hover { color: var(--ink-dim); }
.specs-tabs__btn.is-on { color: var(--green-bri); border-color: var(--green-mid); }
.specs-tabs__panel { display: none; padding-top: 0.5rem; }
.specs-tabs__panel.is-on { display: block; animation: fadeUp 0.55s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.specs__group { max-width: 860px; }
.specs__row {
  display: grid;
  grid-template-columns: minmax(10rem, 15rem) 1fr;
  gap: 1.4rem;
  padding: 0.72rem 0.2rem;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.94rem;
}
.specs__row .k { color: var(--ink-faint); }
.specs__row .v { color: var(--ink); text-align: right; font-family: var(--font-mono); font-weight: 500; font-size: 0.86rem; letter-spacing: 0.02em; }
.specs__row--hl { background: rgba(47, 122, 102, 0.09); }
.specs__row--hl .k { color: var(--green-bri); }
.specs__note { margin-top: 1.3rem; font-size: 0.8rem; color: var(--ink-faint); max-width: 52em; }
.specs__note a { color: var(--green-bri); border-bottom: 1px solid rgba(92, 201, 166, 0.4); }

/* ---------- 家族章(family)---------- */
.family-row {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(1.8rem, 4vw, 3.4rem);
  align-items: center;
  margin-top: clamp(2.6rem, 7vh, 4.2rem);
}
.family-row--flip .family-row__media { order: 2; }
.family-row__media { position: relative; overflow: hidden; border: 1px solid var(--line-soft); }
.family-row__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.03);
  transition: transform 0.9s var(--ease), filter 0.8s;
}
.family-row__media:hover img { transform: scale(1.035); filter: saturate(1); }
.family-row__cap {
  position: absolute; left: 14px; bottom: 12px;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.26em;
  color: rgba(242, 245, 241, 0.82);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.8);
  text-transform: uppercase;
}
.family-row__idx {
  font-family: var(--font-mono); font-weight: 600;
  font-size: 0.88rem; letter-spacing: 0.3em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(92, 201, 166, 0.55);
}
.family-row__body h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.75rem, 3.4vw, 2.4rem);
  line-height: 1.1; letter-spacing: 0.04em;
  margin-top: 0.55rem;
}
.family-row__body h3 small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.34em; letter-spacing: 0.44em;
  color: var(--ink-faint);
  margin-top: 0.55rem;
  text-transform: uppercase;
}
.family-row__body p { color: var(--ink-dim); font-size: 0.97rem; margin-top: 0.95rem; }
.family-row__body p b { color: var(--ink); font-weight: 600; }
.family-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  margin-top: 1.2rem;
}
.family-stats div { background: var(--bg); padding: 0.75rem 0.8rem; }
.chapter--dark .family-stats div { background: var(--bg-soft); }
.family-stats b {
  font-family: var(--font-mono); font-weight: 600;
  font-size: 1.25rem; display: block; line-height: 1.1;
}
.family-stats b em { font-style: normal; color: var(--green-bri); font-size: 0.62em; margin-left: 2px; }
.family-stats span {
  font-family: var(--font-mono);
  font-size: 0.6rem; letter-spacing: 0.22em;
  color: var(--ink-faint); text-transform: uppercase;
}

/* ---------- 尾声 ---------- */
.epilogue { text-align: center; position: relative; overflow: hidden; }
.epilogue__inner { max-width: 820px; margin: 0 auto; }
.epilogue__tag {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  text-transform: uppercase; color: var(--ink-faint);
}
.epilogue h2 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(1.9rem, 4.4vw, 3.2rem);
  line-height: 1.2; letter-spacing: 0.08em;
  margin-top: 1rem;
}
.epilogue p { color: var(--ink-dim); margin-top: 1.2rem; text-align: left; }
.epilogue p.epi-center { text-align: center; }
.epilogue__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.9rem; margin-top: 2rem; }
.epi-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem; letter-spacing: 0.26em;
  text-transform: uppercase;
  padding: 0.9rem 1.6rem;
  border: 1px solid var(--green-mid);
  color: var(--green-bri);
  transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}
.epi-btn:hover { background: var(--green-mid); color: #fff; box-shadow: 0 0 24px rgba(47, 122, 102, 0.35); }
.epi-btn--ghost { border-color: var(--line); color: var(--ink-dim); }
.epi-btn--ghost:hover { background: rgba(242, 245, 241, 0.06); color: var(--ink); box-shadow: none; }

/* ---------- 全宽图(breath)---------- */
.breath { position: relative; overflow: hidden; }
.breath img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; filter: saturate(0.85) contrast(1.03); }
.breath figcaption {
  position: absolute; left: clamp(1.5rem, 5vw, 4rem); bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.26em;
  color: rgba(242, 245, 241, 0.8);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.9);
  text-transform: uppercase;
}

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--line-soft); background: var(--bg-soft); }
.footer__portal { padding: clamp(2.6rem, 7vh, 4.4rem) clamp(1.5rem, 5vw, 4rem); text-align: center; }
.footer__portal-kicker {
  font-family: var(--font-mono);
  font-size: var(--tag-size); letter-spacing: var(--tag-track);
  color: var(--ink-faint); text-transform: uppercase;
}
.footer__portal-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: 0.08em;
  margin-top: 0.6rem;
}
.footer__portal-title span { color: var(--green-bri); }
.footer__portal-sub { color: var(--ink-faint); font-size: 0.88rem; margin-top: 0.4rem; }
.footer__portal-btn {
  display: inline-block;
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.74rem; letter-spacing: 0.28em;
  color: var(--green-bri);
  border: 1px solid var(--green-mid);
  padding: 0.75rem 1.5rem;
  transition: background 0.3s, color 0.3s;
  text-transform: uppercase;
}
.footer__portal-btn:hover { background: var(--green-mid); color: #fff; }
.footer__contact { padding: 0 clamp(1.5rem, 5vw, 4rem) 1.6rem; }
.footer__contact-label {
  display: block; text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem; letter-spacing: 0.4em;
  color: var(--ink-faint); text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer__contact-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; }
.sbtn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  transition: border-color 0.3s, color 0.3s;
}
.sbtn:hover { border-color: var(--green-mid); color: var(--ink); }
.sbtn__txt { display: flex; flex-direction: column; line-height: 1.3; text-align: left; }
.sbtn__txt b { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.18em; }
.sbtn__txt small { font-size: 0.7rem; color: var(--ink-faint); }
.sbtn__arrow { color: var(--green-bri); }
.footer__top {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.8rem;
  padding: 1.4rem clamp(1.5rem, 5vw, 4rem);
  border-top: 1px solid var(--line-soft);
}
.footer__brand { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.3em; color: var(--ink-dim); }
.footer__brand span { color: var(--green-bri); }
.footer__links { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.2em; display: flex; gap: 1.4rem; }
.footer__links a { color: var(--ink-faint); transition: color 0.3s; }
.footer__links a:hover { color: var(--green-bri); }
.footer__disclaimer { padding: 1.2rem clamp(1.5rem, 5vw, 4rem) 1.6rem; border-top: 1px solid var(--line-soft); }
.footer__disclaimer p { font-size: 0.74rem; line-height: 1.75; color: var(--ink-faint); }
.footer__disclaimer .mono { margin-top: 0.5rem; font-size: 0.68rem; }
.footer__disclaimer a { color: var(--ink-dim); border-bottom: 1px solid var(--line); }

/* ---------- 自定义光标(F80 式十字准星)---------- */
.cursor {
  position: fixed; top: 0; left: 0;
  width: 34px; height: 34px;
  margin: -17px 0 0 -17px;
  pointer-events: none;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.4s;
  mix-blend-mode: difference;
}
.cursor span {
  position: absolute; inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  transform: scale(0.4);
  transition: transform 0.35s var(--ease);
}
.cursor span::before, .cursor span::after {
  content: '';
  position: absolute;
  background: rgba(255, 255, 255, 0.85);
}
.cursor span::before { left: 50%; top: -5px; bottom: -5px; width: 1px; transform: translateX(-50%); }
.cursor span::after { top: 50%; left: -5px; right: -5px; height: 1px; transform: translateY(-50%); }
.cursor.is-on { opacity: 1; }
.cursor.is-on span { transform: scale(1); }
.cursor.is-hot span { transform: scale(1.7); border-color: #fff; }
@media (pointer: coarse) { .cursor { display: none; } }

/* ---------- 光斑(鼠标绿色余辉)---------- */
.glow {
  position: fixed;
  width: 520px; height: 520px;
  margin: -260px 0 0 -260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 122, 102, 0.09) 0%, transparent 65%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 1s;
}
.glow.is-on { opacity: 1; }
@media (pointer: coarse) { .glow { display: none; } }

/* ---------- 标题规线(hover 展开)---------- */
.media-row__body h3, .family-row__body h3 {
  position: relative;
  display: inline-block;
  padding-bottom: 0.55rem;
}
.media-row__body h3::after, .family-row__body h3::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 34px; height: 1px;
  background: linear-gradient(90deg, var(--green-mid), transparent);
  transition: width 0.6s var(--ease);
}
.media-row:hover .media-row__body h3::after, .family-row:hover .family-row__body h3::after { width: 100%; }

/* ---------- 时间线"现在"节点呼吸 ---------- */
.tl-item--now::before { animation: tlPulse 2.6s var(--ease) infinite; }
@keyframes tlPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(92, 201, 166, 0.35); }
  50% { box-shadow: 0 0 0 7px rgba(92, 201, 166, 0); }
}

/* ---------- 点击波纹 ---------- */
.ripple {
  position: fixed;
  width: 8px; height: 8px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: rgba(92, 201, 166, 0.5);
  pointer-events: none;
  z-index: 9998;
  animation: rippleOut 0.7s var(--ease) forwards;
}
@keyframes rippleOut {
  to { transform: scale(9); opacity: 0; }
}

/* ---------- hero 标题逐字 ---------- */
.hero__title span {
  display: inline-block;
  transform: translateY(110%);
  animation: lineUp 1.1s var(--ease) forwards;
  animation-delay: var(--d, 0.38s);
}
@keyframes lineUp { to { transform: translateY(0); } }

/* ---------- 细字注释 ---------- */
.fine { margin-top: 1.4rem; font-size: 0.8rem; color: var(--ink-faint); line-height: 1.8; }
.fine a { color: var(--green-bri); border-bottom: 1px solid rgba(92, 201, 166, 0.4); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 980px) {
  body { font-size: 16px; }
  .nav__now { display: none; }
  .menu-overlay__nav { grid-template-columns: 1fr; gap: 2px; width: min(420px, 86vw); }
  .hero__content { width: calc(100% - 2.4rem); }
  .hero__scroll { display: none; }
  .chapter-break h2 { letter-spacing: 0.18em; margin-right: -0.18em; }
  .bigstats { grid-template-columns: repeat(2, 1fr); }
  .gauges { grid-template-columns: repeat(2, 1fr); gap: 1.6rem 1rem; }
  .portrait-cards { grid-template-columns: 1fr 1fr; }
  .portrait-cards .pcard:nth-child(3) { grid-column: 1 / -1; max-width: 62%; }
  .vcards { grid-template-columns: 1fr 1fr; }
  .vcard--wide { grid-column: 1 / -1; }
  .vcard--tall { grid-column: span 1; }
  .vcard--tall video, .vcard--tall img { aspect-ratio: 16 / 10; }
  .timeline { grid-template-columns: 1fr; gap: 1.1rem; }
  .timeline::before { left: 9px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; background: linear-gradient(to bottom, var(--green-mid), var(--line-soft)); }
  .tl-item { padding: 0 0 0 2rem; }
  .tl-item::before { top: 5px; }
  .media-row, .family-row { grid-template-columns: 1fr; }
  .media-row--flip .media-row__media, .family-row--flip .family-row__media { order: 0; }
  .chapter-video video, .chapter-video img { aspect-ratio: 4 / 3; }
  .chapter-video__inner p { font-size: 0.9rem; }
  /* 遮盖画廊:移动端退化为垂直堆叠 */
  .gallery { display: block; }
  .g-text { min-height: 0; padding: 0; margin-bottom: 1rem; }
  .g-text--right, .g-text--left { align-items: stretch; text-align: left; }
  .gallery__media { position: relative; inset: auto; }
  .g-sticky { position: relative; height: 0; padding-top: 56.25%; overflow: hidden; }
  .g-image { clip-path: none !important; position: absolute; inset: 0; opacity: 0; transition: opacity 0.55s var(--ease); }
  .g-image.is-mobon { opacity: 1; }
  .g-count { top: auto; bottom: 0.6rem; right: 0.8rem; }
  .rec-line__item { grid-template-columns: 3.6rem 1fr; }
  .rec-line__val { grid-column: 2; text-align: left; }
  .specs-tabs__nav { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
  .breath img { aspect-ratio: 4 / 3; }
}

@media (max-width: 640px) {
  .portrait-cards { grid-template-columns: 1fr; }
  .portrait-cards .pcard:nth-child(3) { grid-column: auto; max-width: none; }
  .vcards { grid-template-columns: 1fr; }
  .vcard--tall { grid-column: span 1; }
  .hero__data { gap: 0.9rem 1.4rem; align-items: baseline; }
  .hero__data > div { flex-basis: 44%; }
  .family-stats { grid-template-columns: repeat(3, 1fr); }
  .specs__row { grid-template-columns: 1fr; gap: 0.2rem; }
  .specs__row .v { text-align: left; }
  .g-text__card { max-width: none; }
}
/* ---------- HYPERCAR 门户跳转 ---------- */
.portal-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  width: fit-content;
  max-width: calc(100% - 48px);
  margin: 52px auto 20px;
  padding: 15px 40px;
  border: 1.5px solid var(--accent, var(--blue-lux, var(--red, var(--gold))));
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--ink-dim, var(--dim));
  font-family: var(--font-mono, var(--mono));
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-decoration: none;
  transition: border-color .35s, color .35s, background .35s, transform .35s;
}
.portal-bar:hover { transform: translateY(-2px); background: rgba(255, 255, 255, 0.09); }
.portal-bar__rule {
  width: 36px;
  height: 1px;
  flex: none;
  background: linear-gradient(90deg, transparent, var(--accent, var(--blue-lux, var(--red, var(--gold)))));
}
.portal-bar__rule--r { background: linear-gradient(90deg, var(--accent, var(--blue-lux, var(--red, var(--gold)))), transparent); }
.portal-bar__badge {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--accent, var(--blue-lux, var(--red, var(--gold))));
  color: #0b0b0e;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 0 14px var(--accent, var(--blue-lux, var(--red, var(--gold))));
}
.portal-bar__name {
  color: var(--accent, var(--blue-lux, var(--red, var(--gold))));
  font-weight: 700;
  letter-spacing: 0.24em;
  white-space: nowrap;
}
.portal-bar__sep {
  width: 1px;
  height: 16px;
  flex: none;
  background: var(--line);
}
.portal-bar__text {
  color: var(--ink-dim, var(--dim));
  letter-spacing: 0.12em;
  white-space: nowrap;
}
.portal-bar__arrow { font-style: normal; transition: transform .35s; }
.portal-bar:hover .portal-bar__arrow { transform: translateX(4px); }
@media (max-width: 720px) {
  .portal-bar { flex-wrap: wrap; justify-content: center; text-align: center; margin: 30px 20px 14px; padding: 13px 26px; gap: 12px; }
  .portal-bar__rule { display: none; }
  .portal-bar__text { white-space: normal; }
}