/* =========================================================
   荣一娱乐 · 中文站 / 共享样式 site.css
   高原索引台：刊头导航 + 等高线纹理 + 固定更新条
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, p,
ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg { display: block; max-width: 100%; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid #E86A33;
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 2. 变量 ---------- */
:root {
  --lake-600: #1B6C8C;
  --lake-800: #0E4058;
  --lake-100: #D6EAF2;
  --sun-500: #E86A33;
  --sun-200: #F6C7A9;
  --sand-400: #B8AFA3;
  --sand-700: #6F665C;
  --saffron-600: #9E2B2B;
  --snow: #F7F9FA;
  --ink: #14232B;
  --slate-500: #2F4858;

  --text: var(--ink);
  --muted: var(--sand-700);

  --wrap: 1240px;
  --gutter: clamp(18px, 4vw, 56px);
  --statusbar-h: 56px;

  --font-display: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, monospace;

  --radius-s: 3px;
  --radius-m: 8px;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --dur: 160ms;
}

/* ---------- 3. 基础中文排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--text);
  background-color: var(--snow);
  padding-bottom: calc(var(--statusbar-h) + 12px);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--lake-800);
}

h1 { font-size: clamp(38px, 6vw, 76px); font-weight: 300; letter-spacing: -.005em; }
h2 { font-size: clamp(26px, 3.4vw, 42px); font-weight: 400; }
h3 { font-size: clamp(19px, 2vw, 24px); font-weight: 500; }
h4 { font-size: 18px; font-weight: 600; letter-spacing: .02em; }

strong, b { font-weight: 600; }
small { font-size: 13px; color: var(--muted); }

/* ---------- 4. 通用工具 ---------- */
.wrap {
  width: min(100%, var(--wrap));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .08em;
}

.skip-link {
  position: absolute;
  top: -64px;
  left: var(--gutter);
  z-index: 300;
  padding: 10px 20px;
  background: var(--lake-800);
  color: #fff;
  font-size: 14px;
  letter-spacing: .08em;
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 0; }

/* ---------- 5. 刊头 / Header ---------- */
.site-header {
  position: relative;
  background-color: var(--snow);
  background-image:
    repeating-linear-gradient(102deg, rgba(27, 108, 140, .085) 0 1px, transparent 1px 15px),
    radial-gradient(140% 130% at 50% -35%, #ffffff 0%, #f7f9fa 38%, #e3f0f6 72%, #cfe6ef 100%);
  border-bottom: 1px solid rgba(47, 72, 88, .2);
  color: var(--ink);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lake-600) 0%, var(--sun-500) 100%);
  z-index: 200;
  pointer-events: none;
  will-change: transform;
}

/* 顶部索引带 */
.masthead-bar {
  border-bottom: 1px solid rgba(47, 72, 88, .16);
  background: rgba(255, 255, 255, .55);
}

.masthead-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 48px;
}

.section-index {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-500);
}

.section-index__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 22px;
  padding: 0 6px;
  background: var(--sun-500);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  border-radius: var(--radius-s);
  flex: none;
}

.section-index__name {
  color: var(--lake-800);
  letter-spacing: .14em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.masthead-bar__tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.util-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lake-800);
  border: 1px solid rgba(27, 108, 140, .3);
  background: rgba(255, 255, 255, .7);
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}
.util-link:hover,
.util-link:focus-visible {
  background: var(--lake-100);
  border-color: var(--lake-600);
  color: var(--lake-800);
}

.util-link--solid {
  background: var(--lake-600);
  border-color: var(--lake-600);
  color: #fff;
}
.util-link--solid:hover,
.util-link--solid:focus-visible {
  background: var(--lake-800);
  border-color: var(--lake-800);
  color: #fff;
}

/* 移动端开合按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid rgba(27, 108, 140, .38);
  background: rgba(255, 255, 255, .78);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--lake-800);
}

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
  flex: none;
}
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle__bars span:first-child {
  transform: translateY(3px) rotate(45deg);
}
.site-header[data-open] .nav-toggle__bars span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}
.site-header[data-open] .nav-toggle {
  border-color: var(--sun-500);
  color: var(--sun-500);
}

/* 居中刊头 */
.masthead {
  padding: clamp(20px, 3vw, 38px) var(--gutter) clamp(14px, 2vw, 20px);
  text-align: center;
}

.masthead__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .44em;
  text-transform: uppercase;
  color: var(--sand-700);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: clamp(8px, 1.4vw, 16px);
}

.brand__name {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.4vw, 60px);
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1;
  color: var(--lake-800);
  transition: color var(--dur) var(--ease);
}
.brand:hover .brand__name,
.brand:focus-visible .brand__name { color: var(--lake-600); }

.brand__sep {
  color: var(--sun-500);
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1;
}

.brand__sub {
  font-size: clamp(12px, 1.5vw, 16px);
  font-weight: 400;
  letter-spacing: .34em;
  color: var(--slate-500);
}

.masthead__meta {
  margin-top: clamp(10px, 1.4vw, 14px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--sand-700);
}

.ridge {
  height: 10px;
  margin-top: clamp(16px, 2.4vw, 24px);
  background-image: repeating-linear-gradient(100deg, rgba(27, 108, 140, .5) 0 1px, transparent 1px 10px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
}

/* 主导航 */
.primary-nav {
  border-top: 1px solid rgba(47, 72, 88, .18);
  background: rgba(255, 255, 255, .42);
  max-height: none;
  visibility: visible;
}

.primary-nav__list {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: clamp(2px, 1.4vw, 22px);
  max-width: var(--wrap);
  margin-inline: auto;
  padding: 0 var(--gutter);
}

.nav-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 15px 10px 17px;
}

.nav-link__num {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--sand-700);
  transition: color var(--dur) var(--ease);
}

.nav-link__label {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 9px;
  height: 2px;
  background: var(--lake-600);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover .nav-link__num,
.nav-link:focus-visible .nav-link__num { color: var(--sun-500); }

.nav-link:hover .nav-link__label,
.nav-link:focus-visible .nav-link__label { color: var(--lake-600); }

.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }

.nav-link[aria-current="page"] .nav-link__num { color: var(--sun-500); }
.nav-link[aria-current="page"] .nav-link__label {
  color: var(--lake-800);
  font-weight: 600;
}
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--sun-500);
  height: 3px;
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 9vw, 120px);
  background-color: var(--lake-800);
  background-image:
    repeating-linear-gradient(96deg, rgba(214, 234, 242, .07) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, #0E4058 0%, #0a3143 100%);
  color: #DCE9EF;
  padding: clamp(46px, 6vw, 84px) 0 clamp(26px, 4vw, 38px);
}

.site-footer__edge {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--sun-500) 0 28px,
    var(--lake-600) 28px 62px,
    var(--sand-400) 62px 88px,
    var(--sun-200) 88px 104px
  );
  opacity: .85;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1.3fr;
  gap: clamp(26px, 4vw, 58px);
}

.footer-brand__link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 500;
  letter-spacing: .1em;
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-brand__link:hover,
.footer-brand__link:focus-visible {
  color: var(--sun-200);
  border-bottom-color: var(--sun-500);
}

.footer-brand__note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: #B9D0DA;
}

.ridge--footer {
  margin-top: 20px;
  max-width: 220px;
  background-image: repeating-linear-gradient(100deg, rgba(214, 234, 242, .45) 0 1px, transparent 1px 12px);
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--sun-200);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  letter-spacing: .03em;
  color: #CBDDE5;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible {
  color: #fff;
  border-bottom-color: var(--sun-500);
}

.footer-contact {
  display: grid;
  gap: 12px;
  font-size: 14.5px;
}

.footer-contact__item {
  display: grid;
  gap: 2px;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #8FB0BE;
}

.footer-contact__value {
  font-size: 15px;
  color: #FFFFFF;
  word-break: break-word;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  margin-top: clamp(34px, 4vw, 52px);
  padding-top: 20px;
  border-top: 1px solid rgba(214, 234, 242, .18);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: #8FB0BE;
}

.footer-legal__icp { color: #A9C2CE; }

/* ---------- 7. 底部固定状态条 ---------- */
.statusbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  background: rgba(10, 49, 67, .96);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  backdrop-filter: blur(10px) saturate(1.2);
  border-top: 1px solid rgba(214, 234, 242, .22);
  box-shadow: 0 -8px 24px rgba(14, 64, 88, .18);
  color: #DCE9EF;
}

.statusbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: var(--statusbar-h);
}

.statusbar__update {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: #B9D0DA;
}

.statusbar__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sun-500);
  box-shadow: 0 0 0 3px rgba(232, 106, 51, .22);
  flex: none;
}

.statusbar__label {
  font-family: var(--font-mono);
  letter-spacing: .18em;
  color: var(--sun-200);
  flex: none;
}

.statusbar__value {
  color: #DCE9EF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.statusbar__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 15px;
  border-radius: 999px;
  border: 1px solid rgba(214, 234, 242, .32);
  color: #E4EEF2;
  font-size: 12.5px;
  letter-spacing: .06em;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.chip:hover,
.chip:focus-visible {
  background: rgba(232, 106, 51, .18);
  border-color: var(--sun-500);
  color: #fff;
}
.chip[aria-expanded="true"] {
  background: var(--sun-500);
  border-color: var(--sun-500);
  color: #fff;
}

.statusbar__link {
  padding: 6px 2px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: #fff;
  border-bottom: 1px solid rgba(232, 106, 51, .9);
}

.statusbar__panel {
  border-top: 1px solid rgba(214, 234, 242, .16);
  background: rgba(6, 34, 47, .98);
}
.statusbar__panel[hidden] { display: none; }

.statusbar__panel-inner {
  display: grid;
  gap: 10px;
  padding-block: 16px 18px;
}

.statusbar__panel-title {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--sun-200);
}

.statusbar__list {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: #C3D6DF;
}
.statusbar__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.statusbar__list .mono {
  flex: none;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--sun-200);
}

/* ---------- 8. 通用组件（页面阶段复用） ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .06em;
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
}

.btn--primary {
  background: var(--lake-600);
  color: #fff;
}
.btn--primary:hover,
.btn--primary:focus-visible { background: var(--lake-800); }

.btn--ghost {
  background: rgba(255, 255, 255, .6);
  border-color: rgba(27, 108, 140, .45);
  color: var(--lake-800);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--lake-100);
  border-color: var(--lake-600);
}

.btn--accent {
  background: var(--sun-500);
  color: #fff;
}
.btn--accent:hover,
.btn--accent:focus-visible { background: #D25A28; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--sand-700);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--sand-400);
}

.breadcrumb__link {
  color: var(--lake-800);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.breadcrumb__link:hover,
.breadcrumb__link:focus-visible {
  border-bottom-color: var(--sun-500);
}

.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 500;
}

.prose {
  max-width: 68ch;
  font-size: 18px;
  line-height: 1.9;
  color: var(--ink);
}
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2.2em; }
.prose h3 { margin-top: 1.8em; }
.prose ul,
.prose ol { padding-left: 1.25em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .4em; }
.prose a {
  color: var(--lake-600);
  border-bottom: 1px solid rgba(27, 108, 140, .4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.prose a:hover,
.prose a:focus-visible {
  color: var(--lake-800);
  border-bottom-color: var(--sun-500);
}
.prose blockquote {
  padding-left: 20px;
  border-left: 3px solid var(--sun-500);
  color: var(--slate-500);
}

.grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 32px);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

.media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-m);
  background-color: var(--lake-100);
  background-image: linear-gradient(150deg, var(--lake-100) 0%, #EAF3F7 58%, var(--sun-200) 100%);
}
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media__caption {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.glass {
  background: rgba(255, 255, 255, .62);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  backdrop-filter: blur(12px) saturate(1.1);
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: var(--radius-m);
}

/* ---------- 9. 入场微显现 ---------- */
[data-reveal].is-pending {
  opacity: 0;
  transform: translateY(14px);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-col:last-child { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-header .primary-nav {
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    border-top: 0;
    transition: max-height 260ms var(--ease), visibility 260ms var(--ease);
  }
  .site-header[data-open] .primary-nav {
    max-height: 74vh;
    overflow-y: auto;
    visibility: visible;
    border-top: 1px solid rgba(47, 72, 88, .16);
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 6px var(--gutter) 16px;
  }

  .nav-link {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    padding: 15px 2px;
    border-bottom: 1px solid rgba(47, 72, 88, .14);
  }
  .nav-link::after { display: none; }
  .nav-link__label { font-size: 16px; }
  .nav-link__num { font-size: 12px; }

  .grid--12 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
}

@media (max-width: 720px) {
  .util-link { padding: 6px 11px; font-size: 12px; }
  .util-link:not(.util-link--solid) { display: none; }
  .statusbar__value { display: none; }
  .statusbar__label { letter-spacing: .12em; }
  .grid--3 { grid-template-columns: 1fr; }
  .grid--12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .prose { font-size: 17px; line-height: 1.85; }
}

@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand__note { max-width: none; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  :root { --statusbar-h: 60px; }
  .masthead__eyebrow { letter-spacing: .3em; font-size: 10px; }
  .brand { gap: 8px; }
  .brand__name { letter-spacing: .08em; }
  .brand__sub { letter-spacing: .22em; }
  .masthead__meta { font-size: 10.5px; letter-spacing: .12em; }
  .grid--2 { grid-template-columns: 1fr; }
  .site-footer { padding-bottom: 34px; }
}

@media (max-width: 420px) {
  .statusbar__label { display: none; }
  .chip { padding: 6px 12px; }
}

/* ---------- 11. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .scroll-progress { display: none; }
  [data-reveal].is-pending { opacity: 1; transform: none; }
}