/* ==========================================================================
   新利赛事 · /assets/site.css
   夜间数据指挥室：深墨绿底 + 荧光青数据线 + 暖橙关键数字
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --ink-900: #0A1F1C;
  --ink-800: #0E2E2A;
  --ink-700: #14413A;
  --cyan: #22E3C3;
  --cyan-soft: #7CF6DE;
  --orange: #FF8A3D;
  --gold: #FFD166;
  --indigo: #6B5CE7;
  --wine: #B3123C;
  --text: #F2F6F4;
  --muted: #9FB8B2;

  --hairline: rgba(124, 246, 222, 0.16);
  --hairline-strong: rgba(124, 246, 222, 0.34);
  --veil: rgba(34, 227, 195, 0.08);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;

  --page-max: 1560px;
  --gutter: clamp(1rem, 3vw, 3rem);
  --header-h: 76px;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --radius-pill: 999px;

  --shadow-soft: 0 26px 54px -32px rgba(0, 0, 0, 0.92);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.24s;
}

/* ---------- 2. Reset 与基础排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(58% 44% at 10% 0%, rgba(34, 227, 195, 0.10), transparent 68%),
    radial-gradient(46% 38% at 94% 6%, rgba(107, 92, 231, 0.13), transparent 70%),
    radial-gradient(72% 52% at 50% 112%, rgba(20, 65, 58, 0.55), transparent 72%);
  background-attachment: fixed;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

img, svg, video, canvas { display: block; max-width: 100%; height: auto; }
a { color: var(--cyan-soft); text-decoration-color: rgba(124, 246, 222, 0.4); text-underline-offset: 3px; }
a:hover { color: var(--cyan); }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }
hr { border: 0; border-top: 1px solid var(--hairline); margin: 2.25rem 0; }
button { font: inherit; color: inherit; }
::selection { background: rgba(34, 227, 195, 0.32); color: #ffffff; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 8px;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text);
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 2.4vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 1.6vw, 1.5rem); }
h4 { font-size: 1.0625rem; }

#main-content {
  display: block;
  position: relative;
  z-index: 1;
}
#main-content:focus { outline: none; }

/* ---------- 3. 文本与数据组件 ---------- */
.display-1 {
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

.section-title {
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  flex: 0 0 auto;
}

.lede {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.85;
  color: var(--cyan-soft);
  margin: 0 0 1.2em;
}

.prose {
  max-width: 68ch;
  color: var(--text);
}
.prose p { margin: 0 0 1.1em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.2em; }
.prose li { list-style: disc; margin-bottom: 0.45em; color: var(--muted); }
.prose h2, .prose h3 { margin-top: 1.8em; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.num--lg { font-size: clamp(1.5rem, 2.6vw, 3rem); color: var(--cyan); }
.num--warm { color: var(--orange); }
.muted-text { color: var(--muted); }

.stat-note {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.stat-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: 0 0 auto;
}

/* ---------- 4. 布局网格 ---------- */
.container {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(2.5rem, 6vw, 5.5rem); }
.section--tint { background: var(--ink-800); }
.section--band {
  background: linear-gradient(165deg, var(--ink-800) 0%, var(--ink-900) 72%);
  border-block: 1px solid var(--hairline);
}
.section--lead { padding-top: calc(var(--header-h) + clamp(2.5rem, 6vw, 5rem)); }

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 1.6vw, 1.75rem);
}
.grid > * { grid-column: span 12; }

.stack-sm > * + * { margin-top: 0.5rem; }
.stack-md > * + * { margin-top: 1.25rem; }

@media (min-width: 640px) and (max-width: 899px) {
  .col-3, .col-4 { grid-column: span 6; }
  .col-6, .col-8 { grid-column: span 12; }
}
@media (min-width: 900px) {
  .col-3 { grid-column: span 3; }
  .col-4 { grid-column: span 4; }
  .col-6 { grid-column: span 6; }
  .col-8 { grid-column: span 8; }
  .col-12 { grid-column: span 12; }
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn--primary {
  background: var(--cyan);
  color: #04211C;
  box-shadow: 0 14px 30px -18px rgba(34, 227, 195, 0.8);
}
.btn--primary:hover { background: var(--cyan-soft); color: #04211C; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--cyan-soft);
}
.btn--ghost:hover { background: var(--veil); border-color: var(--cyan); color: var(--cyan); }
.btn--warm {
  background: var(--orange);
  color: #2B1205;
}
.btn--warm:hover { background: #FFA05F; color: #2B1205; transform: translateY(-1px); }
.btn--sm { padding: 0.6rem 1.05rem; font-size: 0.8125rem; }
.btn--block { width: 100%; }

/* ---------- 6. 卡片 / 标签 ---------- */
.card {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: clamp(1.1rem, 1.8vw, 1.75rem);
  overflow: hidden;
}
.card--raised { background: var(--ink-700); }
.card--cat-indigo { box-shadow: inset 0 3px 0 var(--indigo); }
.card--cat-wine { box-shadow: inset 0 3px 0 var(--wine); }
.card--cat-gold { box-shadow: inset 0 3px 0 var(--gold); }
.card--cat-cyan { box-shadow: inset 0 3px 0 var(--cyan); }

.card__label {
  display: block;
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.card__title {
  font-size: 1.125rem;
  font-weight: 900;
  line-height: 1.4;
  margin: 0 0 0.5rem;
}
.card__body {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.72rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.tag--cyan { color: var(--cyan); background: rgba(34, 227, 195, 0.10); border-color: rgba(34, 227, 195, 0.36); }
.tag--indigo { color: #B9B1FF; background: rgba(107, 92, 231, 0.16); border-color: rgba(107, 92, 231, 0.5); }
.tag--wine { color: #FF7A9E; background: rgba(179, 18, 60, 0.18); border-color: rgba(179, 18, 60, 0.55); }
.tag--gold { color: var(--gold); background: rgba(255, 209, 102, 0.12); border-color: rgba(255, 209, 102, 0.42); }
.tag--orange { color: var(--orange); background: rgba(255, 138, 61, 0.12); border-color: rgba(255, 138, 61, 0.42); }

/* ---------- 7. 图片容器（页面阶段放置图片） ---------- */
.media-figure { margin: 0; }

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--ink-700);
  background-image:
    linear-gradient(140deg, rgba(20, 65, 58, 0.95) 0%, rgba(10, 31, 28, 0.98) 70%),
    radial-gradient(90% 70% at 80% 10%, rgba(255, 138, 61, 0.22), transparent 62%);
  isolation: isolate;
}
.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(34, 227, 195, 0.20), transparent 60%),
    linear-gradient(180deg, rgba(10, 31, 28, 0) 46%, rgba(10, 31, 28, 0.72) 100%);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--cut { clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%); border-radius: 0; }

.media-caption {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 8. 面包屑与滚动索引 ---------- */
.breadcrumbs { padding-block: 0.85rem; }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}
.breadcrumb-list > li { display: inline-flex; align-items: center; gap: 0.5rem; }
.breadcrumb-list > li + li::before {
  content: "/";
  color: rgba(159, 184, 178, 0.45);
}
.breadcrumb-link { color: var(--muted); text-decoration: none; }
.breadcrumb-link:hover { color: var(--cyan); }
.breadcrumb-list [aria-current="page"] { color: var(--text); }

[data-spy-link] {
  display: block;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
[data-spy-link]:hover { color: var(--text); background: var(--veil); }
[data-spy-link].is-active {
  color: var(--cyan);
  background: rgba(34, 227, 195, 0.12);
  box-shadow: inset 3px 0 0 var(--cyan);
  font-weight: 700;
}
[data-spy-section] { scroll-margin-top: calc(var(--header-h) + 20px); }

/* ---------- 9. 无障碍跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 50%;
  z-index: 200;
  transform: translate(-50%, -220%);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: #04211C;
  font-weight: 700;
  font-size: 0.9375rem;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ---------- 10. 页头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease),
              backdrop-filter 0.3s var(--ease);
}
.site-header[data-scrolled] {
  background: rgba(10, 31, 28, 0.95);
  border-bottom-color: var(--hairline);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-soft) 45%, var(--orange) 100%);
  pointer-events: none;
}

.header-inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 1.6vw, 1.75rem);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--text);
}
.brand:hover { color: var(--text); }

.brand-mark {
  position: relative;
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  width: 36px;
  height: 36px;
  padding: 7px 7px 8px;
  border-radius: 12px;
  background: var(--ink-700);
  overflow: hidden;
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 44%, rgba(34, 227, 195, 0.42) 44%, rgba(34, 227, 195, 0.06) 100%);
}
.brand-mark__bar {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  border-radius: 2px;
  background: var(--cyan);
}
.brand-mark__bar:nth-child(1) { height: 36%; }
.brand-mark__bar:nth-child(2) { height: 62%; background: var(--cyan-soft); }
.brand-mark__bar:nth-child(3) { height: 46%; }
.brand-mark__bar:nth-child(4) { height: 88%; background: var(--orange); }

.brand-text { display: grid; line-height: 1.15; }
.brand-name {
  font-size: 1.0625rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text);
}
.brand-line {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.brand--footer .brand-name { font-size: 1.15rem; }

/* 导航 */
.primary-nav { margin-left: auto; }
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(0.15rem, 0.8vw, 0.85rem);
}
.nav-link {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-link:hover { color: var(--text); background: var(--veil); }
.nav-link[aria-current="page"] {
  color: #04211C;
  background: var(--cyan);
  font-weight: 700;
}
.nav-note { display: none; }

/* 右侧操作区 */
.header-side {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 0 0 auto;
}
.header-ticker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}
.header-ticker::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 138, 61, 0.14);
  flex: 0 0 auto;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--hairline-strong);
  border-radius: 14px;
  background: rgba(14, 46, 42, 0.72);
  color: var(--cyan);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-toggle:hover { background: var(--ink-700); border-color: var(--cyan); }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background-color 0.2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.22s var(--ease), opacity 0.18s var(--ease);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1279px) {
  .header-ticker { display: none; }
}
@media (max-width: 639px) {
  .btn--header { display: none; }
  :root { --header-h: 68px; }
}

/* 移动端胶囊抽屉 */
@media (max-width: 1080px) {
  .nav-toggle { display: grid; }
  .header-side { margin-left: auto; }

  .primary-nav {
    position: fixed;
    top: calc(var(--header-h) + 8px);
    left: var(--gutter);
    right: var(--gutter);
    margin-left: 0;
    padding: 1rem;
    max-height: calc(100vh - var(--header-h) - 32px);
    overflow-y: auto;
    background: var(--ink-800);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s var(--ease);
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }
  .nav-link {
    display: block;
    padding: 0.8rem 1rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
  }
  .nav-note {
    display: block;
    margin: 0.75rem 0.25rem 0;
    padding-top: 0.9rem;
    border-top: 1px solid var(--hairline);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.04em;
    color: var(--muted);
  }
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(3rem, 7vw, 6rem);
  background: linear-gradient(180deg, var(--ink-900) 0%, #071C19 55%, #041311 100%);
  border-top: 1px solid var(--hairline);
  color: var(--muted);
}

.footer-rule {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  height: 5px;
}
.rule-seg { display: block; height: 100%; }
.rule-seg--cyan { background: var(--cyan); }
.rule-seg--indigo { background: var(--indigo); }
.rule-seg--gold { background: var(--gold); }
.rule-seg--orange { background: var(--orange); }
.rule-seg--wine { background: var(--wine); }

.footer-inner {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) clamp(1.5rem, 3vw, 2.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 3vw, 3rem);
}
@media (min-width: 900px) {
  .footer-inner { grid-template-columns: minmax(0, 1.4fr) minmax(0, 2.6fr); }
}

.footer-brand { max-width: 40ch; }
.footer-motto {
  margin: 0.9rem 0 0.6rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--cyan-soft);
}
.footer-update {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2.5rem);
}
.footer-col__title {
  position: relative;
  margin: 0 0 0.9rem;
  padding-left: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text);
}
.footer-col__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  bottom: 0.3em;
  width: 3px;
  border-radius: 2px;
  background: var(--cyan);
}
.footer-links { display: grid; gap: 0.55rem; }
.footer-link {
  display: inline-block;
  font-size: 0.9375rem;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-link:hover { color: var(--cyan); transform: translateX(3px); }

.footer-contact {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  padding-top: clamp(1.25rem, 2.5vw, 2rem);
  border-top: 1px solid var(--hairline);
}
.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.05rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: rgba(20, 65, 58, 0.42);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--cyan-soft);
}
.contact-chip--warm {
  border-color: rgba(255, 138, 61, 0.4);
  color: var(--orange);
}
.contact-chip--wide {
  flex: 1 1 100%;
  border-radius: var(--radius-md);
}

.footer-legal {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: clamp(1rem, 2vw, 1.4rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  font-size: 0.75rem;
  color: rgba(159, 184, 178, 0.88);
}
.footer-legal__item { margin: 0; }

/* ---------- 12. 动效：显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 13. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress { transition: none; }
}