/* ==========================================================================
   金年汇服务 · /assets/site.css
   共享外壳样式：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ========================================================================== */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, dl, dd, dt,
figure, blockquote, pre { margin: 0; }

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

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

table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid #E9A21B;
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 变量 ---------- */
:root {
  --ink: #171B22;
  --ink-soft: #5C6675;
  --navy: #0D1A2B;
  --navy-2: #1B3350;
  --gold: #E9A21B;
  --gold-deep: #B9780E;
  --gold-mist: #FBE7C4;
  --cream: #F8F2E7;
  --cream-2: #EADFC9;
  --jade: #0FA98F;
  --white: #FFFFFF;

  --shell: 1280px;
  --gutter: 24px;
  --gap: 24px;

  --font-display: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "STSong",
    "SimSun", serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular,
    Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: 180ms;
}

/* ---------- 基底排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  background-color: var(--cream);
  background-image:
    linear-gradient(to right, rgba(234, 223, 201, .8) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(234, 223, 201, .8) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  min-height: 100vh;
}

h1, .h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.4vw, 72px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ink);
}

h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.14;
  letter-spacing: -.015em;
}

h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: -.005em;
}

p { text-wrap: pretty; }

.prose { max-width: 36em; }
.prose p + p { margin-top: 1em; }

.lead {
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 34em;
}

/* ---------- 容器与网格 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 14px; }

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: relative;
  z-index: 80;
}

/* --- 阅读进度条 --- */
.scroll-meter {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 240;
  pointer-events: none;
  background: rgba(13, 26, 43, .18);
}
.scroll-meter > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold-deep), var(--gold), #F7C55E);
  transition: width .12s linear;
}

/* --- 顶部第一栏快捷入口条 --- */
.utility-strip {
  background: var(--navy);
  color: var(--cream);
  border-bottom: 2px solid var(--gold);
}

.utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
}

.utility-nav {
  display: flex;
  align-items: center;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.utility-nav::-webkit-scrollbar { display: none; }

.utility-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  white-space: nowrap;
  color: rgba(248, 242, 231, .7);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.utility-link:hover,
.utility-link:focus-visible {
  color: var(--gold);
  background: rgba(233, 162, 27, .12);
}
.utility-link[aria-current="page"] {
  color: var(--gold);
  background: rgba(233, 162, 27, .16);
  box-shadow: inset 0 -2px 0 0 var(--gold);
}

.utility-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 16px;
  border-left: 1px solid rgba(248, 242, 231, .18);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  white-space: nowrap;
  color: rgba(248, 242, 231, .72);
  transition: color var(--dur) var(--ease);
}
.utility-top::after {
  content: "\2191";
  font-size: 13px;
  color: var(--gold);
}
.utility-top:hover,
.utility-top:focus-visible { color: var(--gold); }

/* --- 悬浮胶囊导航 --- */
.capsule-wrap {
  margin-top: -22px;
  padding-bottom: 6px;
}

.nav-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  padding: 8px 12px 8px 20px;
  background: var(--white);
  border: 1px solid var(--cream-2);
  border-radius: 999px;
  box-shadow: 0 14px 34px -28px rgba(13, 26, 43, .85);
}

/* --- 品牌 --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(150deg, var(--gold), var(--gold-deep));
  color: var(--navy);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--ink);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

/* --- 主导航 --- */
.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1 1 auto;
  min-width: 0;
  margin: 0 auto;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-deep));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible { color: var(--gold-deep); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] {
  color: var(--gold-deep);
  font-weight: 800;
}
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-left: auto;
}

/* --- 汉堡按钮 --- */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--cream-2);
  border-radius: 50%;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--gold);
  background: var(--gold-mist);
}

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 12px;
}
.nav-toggle-bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle-bars span:nth-child(1) { top: 0; }
.nav-toggle-bars span:nth-child(2) { top: 5px; }
.nav-toggle-bars span:nth-child(3) { top: 10px; }

.nav-toggle[aria-expanded="true"] { background: var(--navy); border-color: var(--navy); color: var(--gold); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* --- 移动端导航形态 --- */
@media (max-width: 980px) {
  .nav-toggle { display: grid; }

  .nav-capsule {
    min-height: 62px;
    padding: 7px 10px 7px 16px;
    border-radius: 999px;
  }

  .nav-list {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 10px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    margin: 0;
    padding: 10px;
    background: var(--navy);
    border: 1px solid rgba(233, 162, 27, .34);
    border-radius: 0;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
      visibility var(--dur) var(--ease);
  }
  .nav-list[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    display: block;
    padding: 12px 14px;
    font-size: 16px;
    color: var(--cream);
    border-bottom: 1px solid rgba(248, 242, 231, .09);
  }
  .nav-link:last-child { border-bottom: 0; }
  .nav-link::after { display: none; }
  .nav-link:hover,
  .nav-link:focus-visible,
  .nav-link[aria-current="page"] {
    color: var(--gold);
    background: rgba(233, 162, 27, .14);
  }
}

@media (max-width: 620px) {
  .nav-actions .btn { display: none; }
  .brand-sub { display: none; }
  .utility-link { padding: 0 12px; font-size: 11.5px; }
}

/* --- 左下角会员中心悬浮胶囊 --- */
.member-dock {
  position: fixed;
  left: 22px;
  bottom: 22px;
  z-index: 160;
  font-family: var(--font-display);
}

.member-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .01em;
  color: #10161F;
  background: linear-gradient(150deg, var(--gold), var(--gold-deep));
  border-radius: 999px;
  box-shadow: 0 14px 26px -18px rgba(185, 120, 14, .95);
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.member-toggle:hover,
.member-toggle:focus-visible {
  filter: brightness(1.08);
  transform: translateY(-2px);
}
.member-toggle[aria-expanded="true"] {
  transform: translateY(-6px);
  filter: brightness(1.1);
}

.member-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(15, 169, 143, .28);
}

.member-panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: 292px;
  padding: 16px 16px 14px;
  background: var(--navy);
  color: var(--cream);
  border: 1px solid rgba(233, 162, 27, .36);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  box-shadow: 0 28px 50px -30px rgba(13, 26, 43, .95);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
    visibility var(--dur) var(--ease);
}
.member-panel[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.member-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(248, 242, 231, .13);
}
.member-panel-title {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--gold);
}
.member-panel-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(248, 242, 231, .5);
}

.member-list { display: grid; gap: 2px; }

.member-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  text-align: left;
  font-size: 14px;
  color: rgba(248, 242, 231, .86);
  border-left: 2px solid transparent;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.member-item:hover,
.member-item:focus-visible {
  color: var(--gold);
  background: rgba(233, 162, 27, .14);
  border-left-color: var(--gold);
}

.member-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold-deep);
}

@media (max-width: 640px) {
  .member-dock { left: 14px; bottom: 14px; }
  .member-toggle { padding: 11px 16px; font-size: 14px; }
  .member-panel { width: min(292px, calc(100vw - 28px)); }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: 96px;
  background: var(--navy);
  color: rgba(248, 242, 231, .78);
  border-top: 3px solid var(--gold);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(233, 162, 27, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 162, 27, .07) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.footer-top {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.7fr);
  gap: 56px;
  padding-block: 64px 44px;
}

.brand--footer .brand-name { color: var(--cream); }
.brand--footer .brand-sub { color: rgba(248, 242, 231, .5); }

.footer-contact-list {
  display: grid;
  gap: 9px;
  margin-top: 24px;
}
.footer-contact-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.7;
}
.footer-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(248, 242, 231, .44);
}
.footer-val {
  color: rgba(248, 242, 231, .84);
  overflow-wrap: anywhere;
}

.footer-hint {
  margin-top: 20px;
  padding-left: 12px;
  border-left: 2px solid var(--gold-deep);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(248, 242, 231, .58);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--gold);
}
.footer-col-title::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--gold);
}

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

.footer-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 14.5px;
  color: rgba(248, 242, 231, .74);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--gold);
  padding-left: 6px;
}

.footer-bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 20px 30px;
  border-top: 1px solid rgba(248, 242, 231, .13);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(248, 242, 231, .5);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 20px;
}
.footer-legal a {
  color: rgba(248, 242, 231, .68);
  transition: color var(--dur) var(--ease);
}
.footer-legal a:hover,
.footer-legal a:focus-visible { color: var(--gold); }

@media (max-width: 1000px) {
  .footer-top {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }
}
@media (max-width: 720px) {
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .footer-top { padding-block: 48px 36px; }
}
@media (max-width: 440px) {
  .footer-cols { grid-template-columns: minmax(0, 1fr); }
}

/* ==========================================================================
   通用组件
   ========================================================================== */

/* --- 按钮 --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), filter var(--dur) var(--ease);
}

.btn--gold {
  color: #10161F;
  background: linear-gradient(150deg, var(--gold), var(--gold-deep));
  clip-path: polygon(0 0, 100% 0, 100% 68%, 82% 100%, 0 100%);
}
.btn--gold:hover,
.btn--gold:focus-visible {
  background: linear-gradient(150deg, #F2B338, var(--gold));
}

.btn--ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--cream-2);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 86% 100%, 0 100%);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--gold-deep);
  border-color: var(--gold);
  background: var(--gold-mist);
}

.btn--line {
  padding: 4px 0;
  color: var(--gold-deep);
  border-bottom: 1px solid var(--gold);
}
.btn--line:hover,
.btn--line:focus-visible { color: var(--ink); border-color: var(--ink); }

/* --- 面包屑 --- */
.breadcrumb {
  padding-block: 22px 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ink-soft);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--cream-2);
}
.breadcrumb a { transition: color var(--dur) var(--ease); }
.breadcrumb a:hover,
.breadcrumb a:focus-visible { color: var(--gold-deep); }

/* --- 章节索引与标题 --- */
.index-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-deep);
}
.index-chip::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--gold);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--cream-2);
}

/* --- 徽标 --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  border: 1px solid var(--cream-2);
  color: var(--ink-soft);
  background: var(--cream);
}
.badge--stable {
  color: var(--jade);
  border-color: rgba(15, 169, 143, .38);
  background: rgba(15, 169, 143, .1);
}
.badge--warn {
  color: var(--gold-deep);
  border-color: rgba(233, 162, 27, .45);
  background: rgba(233, 162, 27, .12);
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--navy);
  background: var(--gold-mist);
  clip-path: polygon(7px 0, 100% 0, 100% 100%, 0 100%, 0 7px);
}

/* --- 面板 --- */
.cut-panel {
  position: relative;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--cream-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease);
}
.cut-panel:hover { border-color: var(--gold); }

.cut-panel--dark {
  background: var(--navy);
  color: rgba(248, 242, 231, .86);
  border-color: rgba(233, 162, 27, .3);
}
.cut-panel--dark h2,
.cut-panel--dark h3 { color: var(--cream); }

/* --- 图片容器（页面阶段放置实拍图或界面截图） --- */
.figure {
  position: relative;
  display: block;
  overflow: hidden;
  margin: 0;
  background-color: var(--navy-2);
  background-image:
    linear-gradient(to right, rgba(233, 162, 27, .16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 162, 27, .16) 1px, transparent 1px);
  background-size: 24px 24px;
  border: 1px solid var(--cream-2);
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, rgba(233, 162, 27, .24), transparent 58%);
  pointer-events: none;
}
.figure > img,
.figure > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide { aspect-ratio: 16 / 9; }
.figure--square { aspect-ratio: 1 / 1; }
.figure--tall { aspect-ratio: 4 / 5; }
.figure--phone {
  aspect-ratio: 9 / 19;
  width: 100%;
  max-width: 280px;
}

.figure-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }
  .member-toggle:hover,
  .member-toggle:focus-visible,
  .member-toggle[aria-expanded="true"] { transform: none; }
  .footer-link:hover,
  .footer-link:focus-visible { padding-left: 0; }
}