/* =========================================================
   /assets/site.css — 永乐高服务 共享外壳
   云白纸 / 深靛墨 / 绛红 / 松石绿 / 赭金
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root {
  --paper: #F7F3EA;
  --ink: #1F2A3A;
  --crimson: #8C3A46;
  --crimson-deep: #7A2F3B;
  --turquoise: #2F7D73;
  --turquoise-tint: #DDECE7;
  --gold: #B1843C;
  --gold-tint: #F4E7CF;
  --sand: #E9DFCE;
  --blush: #F1DDE0;
  --slate: #3E4A5A;
  --white: #FFFFFF;

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --wrap: 1200px;
  --header-h: 96px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-soft: 0 18px 44px -32px rgba(31, 42, 58, 0.55);
  --line: rgba(31, 42, 58, 0.14);
  --line-soft: rgba(31, 42, 58, 0.08);
}

/* ---------- 2. 重置与基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, picture { display: block; max-width: 100%; }
table { border-collapse: collapse; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.005em;
}

:focus-visible {
  outline: 2px solid var(--turquoise);
  outline-offset: 3px;
  border-radius: 6px;
}

#main-content { display: block; }
#main-content:focus-visible { outline: 2px dashed var(--turquoise); outline-offset: 6px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 300;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: 0.06em;
  transform: translateY(-180%);
  transition: transform 0.25s ease;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 3. 布局与版式 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

.page-frame { padding-top: calc(var(--header-h) + clamp(20px, 3.4vw, 40px)); }

.section { padding-block: clamp(40px, 6vw, 80px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 34px;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.display { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; line-height: 1.18; }
.display--xl { font-size: clamp(38px, 6.2vw, 72px); }
.display--lg { font-size: clamp(30px, 4vw, 44px); }
.display--md { font-size: clamp(24px, 3vw, 32px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.26em;
  color: var(--turquoise);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.lede {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--slate);
  max-width: 58ch;
}

.annotation {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--slate);
}
.annotation--vertical {
  writing-mode: vertical-rl;
  letter-spacing: 0.34em;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.prose { max-width: 68ch; color: var(--ink); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: clamp(22px, 2.6vw, 30px); margin-top: 1.8em; }
.prose h3 { font-size: clamp(18px, 2vw, 22px); margin-top: 1.5em; }
.prose p, .prose li { font-size: 16.5px; line-height: 1.85; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.4em; }
.prose strong { font-weight: 700; }
.prose a {
  color: var(--crimson);
  border-bottom: 1px solid rgba(140, 58, 70, 0.35);
}
.prose a:hover { border-bottom-color: currentColor; }

/* ---------- 4. 网格 ---------- */
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }

/* ---------- 5. 按钮 / 标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease,
              border-color 0.25s ease, box-shadow 0.25s ease;
}
.btn--primary {
  background: var(--crimson);
  color: #FFF;
  box-shadow: 0 14px 26px -20px rgba(140, 58, 70, 0.9);
}
.btn--primary:hover { background: var(--crimson-deep); transform: translateY(-1px); }
.btn--ghost {
  border-color: rgba(31, 42, 58, 0.28);
  background: rgba(255, 255, 255, 0.4);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--ink); background: var(--sand); }
.btn--quiet {
  padding: 10px 2px;
  color: var(--crimson);
  border-radius: 6px;
}
.btn--quiet:hover { color: var(--crimson-deep); }
.btn--sm { padding: 9px 17px; font-size: 13.5px; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid rgba(47, 125, 115, 0.28);
  background: var(--turquoise-tint);
  color: #1F5A52;
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.6;
}
.tag--crimson { background: var(--blush); color: var(--crimson-deep); border-color: rgba(140, 58, 70, 0.28); }
.tag--gold { background: var(--gold-tint); color: #7C5A1F; border-color: rgba(177, 132, 60, 0.35); }
.tag--ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.text-link {
  color: var(--crimson);
  border-bottom: 1px solid rgba(140, 58, 70, 0.35);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.text-link:hover { color: var(--crimson-deep); border-bottom-color: currentColor; }

/* ---------- 6. 面包屑 ---------- */
.breadcrumbs { margin-bottom: clamp(18px, 2.6vw, 28px); }
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}
.breadcrumbs__link { color: var(--slate); border-bottom: 1px solid transparent; }
.breadcrumbs__link:hover { color: var(--ink); border-bottom-color: var(--gold); }
.breadcrumbs__sep { color: rgba(31, 42, 58, 0.35); }
.breadcrumbs__current { color: var(--crimson); }

/* ---------- 7. 卡片 / 图框 ---------- */
.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.6vw, 28px);
  box-shadow: var(--shadow-soft);
}
.panel--sand { background: var(--sand); border-color: rgba(177, 132, 60, 0.26); }
.panel--mint { background: var(--turquoise-tint); border-color: rgba(47, 125, 115, 0.26); }
.panel--blush { background: var(--blush); border-color: rgba(140, 58, 70, 0.22); }
.panel--index {
  background-color: var(--white);
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 27px,
    rgba(31, 42, 58, 0.07) 27px 28px
  );
  border-radius: var(--radius-md);
}

.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--turquoise-tint), var(--sand) 55%, var(--blush));
}
.media-frame::before {
  content: "";
  position: absolute;
  inset: 12px;
  z-index: 2;
  border: 1px dashed rgba(31, 42, 58, 0.2);
  border-radius: calc(var(--radius-lg) - 8px);
  pointer-events: none;
}
.media-frame > img,
.media-frame > picture,
.media-frame > picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--plain { background: var(--sand); }
.media-frame__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  padding: 14px 18px 12px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: linear-gradient(to top, rgba(247, 243, 234, 0.95), rgba(247, 243, 234, 0));
}

/* ---------- 8. 数据表 ---------- */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-md);
  -webkit-overflow-scrolling: touch;
}
.data-table {
  width: 100%;
  min-width: 560px;
  background: var(--white);
  font-size: 14.5px;
}
.data-table caption {
  padding-bottom: 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}
.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}
.data-table thead th {
  background: var(--sand);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}
.data-table tbody tr:hover { background: var(--turquoise-tint); }
.data-table tbody th { font-weight: 600; }
.data-table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* =========================================================
   9. 头部
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  color: var(--ink);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.site-header[data-scrolled] {
  background: rgba(247, 243, 234, 0.96);
  -webkit-backdrop-filter: blur(14px) saturate(1.08);
  backdrop-filter: blur(14px) saturate(1.08);
  border-bottom-color: var(--line);
  box-shadow: 0 16px 34px -30px rgba(31, 42, 58, 0.7);
}

/* 刻度栏 */
.header-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  height: 30px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate);
  border-bottom: 1px dashed rgba(31, 42, 58, 0.16);
}
.header-rail__group { display: inline-flex; align-items: center; gap: 18px; }
.header-rail__item { white-space: nowrap; }
.header-rail__link {
  color: var(--crimson);
  border-bottom: 1px solid rgba(140, 58, 70, 0.35);
  white-space: nowrap;
}
.header-rail__link:hover { border-bottom-color: currentColor; }

/* 主行 */
.header-main {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 26px);
  height: 66px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 40px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  margin-right: auto;
  padding: 6px 0;
}
.brand__seal {
  position: relative;
  width: 38px;
  height: 38px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(150deg, var(--crimson), #6D2C36 62%, var(--ink));
  box-shadow: inset 0 0 0 1px rgba(247, 243, 234, 0.3);
}
.brand__seal::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(247, 243, 234, 0.75);
  border-radius: 6px;
}
.brand__seal::after {
  content: "永";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--paper);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.16; }
.brand__name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.brand__tagline {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--slate);
}

/* 导航 */
.site-nav__caption { display: none; }
.site-nav__list { display: flex; align-items: center; gap: clamp(6px, 1.2vw, 18px); }
.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 6px;
  font-size: 14px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 0.25s ease;
}
.site-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--turquoise);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 6px; right: 6px; bottom: 4px;
  height: 2px;
  background: var(--crimson);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}
.site-nav__link:hover::after,
.site-nav__link:focus-visible::after,
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link:hover { color: var(--crimson-deep); }
.site-nav__link[aria-current="page"] { color: var(--crimson); }

/* 操作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
  margin-left: 6px;
}
.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px 9px 13px;
  border: 1px solid rgba(31, 42, 58, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.38);
  font-size: 13.5px;
  letter-spacing: 0.05em;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.search-trigger:hover { border-color: var(--turquoise); background: var(--turquoise-tint); color: #1F5A52; }
.search-trigger__glyph {
  position: relative;
  width: 13px;
  height: 13px;
  flex: none;
  border: 1.6px solid currentColor;
  border-radius: 50%;
}
.search-trigger__glyph::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
  transform: rotate(45deg);
}
.search-trigger[aria-expanded="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid rgba(31, 42, 58, 0.2);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.42);
}
.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 1.8px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6.8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6.8px) rotate(-45deg); }

.nav-scrim { display: none; }

/* 检索台 */
.search-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 4;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 34px 54px -44px rgba(31, 42, 58, 0.85);
}
.search-panel[hidden] { display: none; }
.search-panel__inner {
  display: grid;
  gap: 16px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 22px clamp(16px, 3vw, 40px) 26px;
}
.search-field {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  transition: border-color 0.25s ease;
}
.search-field:focus-within { border-bottom-color: var(--turquoise); }
.search-field__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--turquoise);
  flex: none;
}
.search-field__input {
  flex: 1 1 240px;
  min-width: 0;
  padding: 2px 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 23px);
}
.search-field__input:focus { outline: none; }
.search-field__input::placeholder {
  color: rgba(62, 74, 90, 0.55);
  font-family: var(--font-body);
  font-size: 14.5px;
  letter-spacing: 0.02em;
}

.search-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid rgba(31, 42, 58, 0.18);
  border-radius: 999px;
  background: var(--white);
  color: var(--slate);
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.chip:hover { border-color: var(--turquoise); color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.search-results {
  display: grid;
  gap: 2px;
  max-height: min(44vh, 320px);
  overflow-y: auto;
  padding-right: 4px;
}
.search-results__item { display: block; }
.search-results__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 12px;
  transition: background 0.2s ease;
}
.search-results__link:hover,
.search-results__link:focus-visible { background: var(--sand); }
.search-results__title { font-size: 15px; }
.search-results__cat {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--turquoise-tint);
  color: #1F5A52;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.search-results__empty {
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--blush);
  color: var(--crimson-deep);
  font-size: 14px;
}
.search-hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: 12.5px;
  color: var(--slate);
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--crimson), var(--gold), var(--turquoise));
  transition: width 0.12s linear;
}

/* =========================================================
   10. 页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 120px);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.footer-band {
  background:
    linear-gradient(115deg, rgba(140, 58, 70, 0.94), rgba(31, 42, 58, 0.96) 52%, rgba(47, 125, 115, 0.88)),
    var(--ink);
  padding: clamp(26px, 4vw, 42px) 0 clamp(24px, 3.6vw, 36px);
}
.footer-band__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(20px, 4vw, 48px);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}
.footer-band__lead { min-width: 0; }
.footer-band__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: 0.03em;
}
.footer-band__meta {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(247, 243, 234, 0.7);
}
.fee-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.fee-list__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 148px;
  padding: 10px 14px;
  border: 1px solid rgba(247, 243, 234, 0.24);
  border-radius: 14px;
  background: rgba(247, 243, 234, 0.09);
}
.fee-list__term {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(247, 243, 234, 0.72);
}
.fee-list__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15.5px;
  letter-spacing: 0.02em;
  color: #F2D9A8;
}
.fee-list__value small { font-size: 11px; color: rgba(247, 243, 234, 0.66); }

.footer-mark {
  align-self: stretch;
  display: flex;
  align-items: center;
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-size: 11.5px;
  letter-spacing: 0.4em;
  color: rgba(247, 243, 234, 0.55);
  white-space: nowrap;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.4fr);
  gap: clamp(26px, 5vw, 64px);
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 56px) clamp(18px, 4vw, 40px) 0;
}

.footer-brand__seal {
  position: relative;
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(150deg, var(--crimson), #6D2C36 70%);
  box-shadow: inset 0 0 0 1px rgba(247, 243, 234, 0.34);
}
.footer-brand__seal::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(247, 243, 234, 0.7);
  border-radius: 7px;
}
.footer-brand__seal::after {
  content: "永";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--paper);
}
.footer-brand__name {
  margin-top: 14px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.08em;
}
.footer-brand__tagline {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #8FC9BE;
}
.footer-brand__note {
  margin-top: 12px;
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.72);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 32px);
  align-content: start;
}
.footer-col__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: #D9B978;
}
.footer-col__list { display: grid; gap: 8px; }
.footer-col__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: rgba(247, 243, 234, 0.84);
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.footer-col__link:hover { color: #FFF; border-bottom-color: #D9B978; }

.footer-contact {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3.4vw, 32px) 0;
  border-top: 1px solid rgba(247, 243, 234, 0.16);
  border-bottom: 1px solid rgba(247, 243, 234, 0.12);
  background: rgba(247, 243, 234, 0.03);
}
.footer-contact__inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}
.footer-contact__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: #D9B978;
}
.footer-contact__list {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}
.footer-contact__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: rgba(247, 243, 234, 0.82);
}
.footer-contact__key {
  flex: none;
  min-width: 34px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(247, 243, 234, 0.5);
}
.footer-contact__val { color: rgba(247, 243, 234, 0.88); word-break: break-word; }
.footer-contact__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--paper);
}
.copy-btn {
  flex: none;
  padding: 4px 11px;
  border: 1px solid rgba(247, 243, 234, 0.3);
  border-radius: 999px;
  background: rgba(247, 243, 234, 0.06);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(247, 243, 234, 0.85);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.copy-btn:hover { border-color: #D9B978; color: #F2E2BE; }
.copy-btn[data-copied] { background: var(--turquoise); border-color: var(--turquoise); color: #FFF; }
.copy-status {
  min-height: 1.4em;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #8FC9BE;
}

.footer-bottom {
  border-top: 1px solid rgba(247, 243, 234, 0.14);
}
.footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 22px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px clamp(18px, 4vw, 40px) 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(247, 243, 234, 0.62);
}
.footer-legal,
.footer-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.footer-annotation {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(247, 243, 234, 0.42);
}

/* ---------- 11. 动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1199px) {
  .site-nav__num { display: none; }
  .site-nav__link { font-size: 13.5px; padding: 10px 4px; }
  .site-nav__link::after { left: 4px; right: 4px; }
}

@media (max-width: 1023px) {
  :root { --header-h: 64px; }
  .header-rail { display: none; }
  .header-main { height: 64px; }
  .brand__tagline { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    width: min(88vw, 372px);
    padding: calc(var(--header-h) + 26px) 26px 36px;
    overflow-y: auto;
    background: var(--paper);
    border-left: 1px solid var(--line);
    box-shadow: -30px 0 60px -44px rgba(31, 42, 58, 0.9);
    transform: translateX(104%);
    visibility: hidden;
    transition: transform 0.42s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.42s;
  }
  .site-nav[data-open] { transform: translateX(0); visibility: visible; }

  .site-nav__caption {
    display: block;
    margin-bottom: 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--turquoise);
  }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__item { border-bottom: 1px solid rgba(31, 42, 58, 0.12); }
  .site-nav__link {
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
    padding: 16px 4px;
    font-family: var(--font-display);
    font-size: 18px;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] { color: var(--crimson); }
  .site-nav__num { display: inline; color: var(--gold); font-size: 11px; }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 2;
    background: rgba(31, 42, 58, 0.42);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }
  .site-nav[data-open] ~ .nav-scrim { opacity: 1; visibility: visible; }

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

  .search-panel__inner { padding-top: 18px; }
  .search-results { max-height: 40vh; }

  .footer-main { grid-template-columns: 1fr; gap: clamp(24px, 4vw, 36px); }
  .footer-brand__note { max-width: 56ch; }
}

@media (max-width: 860px) {
  .footer-band__inner { flex-direction: column; }
  .footer-mark {
    writing-mode: horizontal-tb;
    letter-spacing: 0.34em;
    font-size: 11px;
    color: rgba(247, 243, 234, 0.48);
  }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  body { font-size: 16px; }
  .search-trigger { padding: 10px; gap: 0; }
  .search-trigger__text { display: none; }
  .search-trigger__glyph { width: 15px; height: 15px; }
  .fee-list__item { flex: 1 1 44%; min-width: 0; }
}

@media (max-width: 640px) {
  .header-cta { display: none; }
  .brand__name { font-size: 17px; }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .footer-bottom__inner { font-size: 11.5px; }
  .footer-legal, .footer-meta { gap: 6px 14px; }
  .data-table { min-width: 520px; }
}

@media (max-width: 420px) {
  .brand__seal { width: 34px; height: 34px; border-radius: 10px; }
  .brand__seal::after { font-size: 14px; }
  .fee-list__item { flex: 1 1 100%; }
  .footer-contact__item { gap: 6px 10px; }
}

/* ---------- 13. 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
  .site-nav,
  .nav-scrim,
  .search-panel,
  .header-progress,
  .nav-toggle__bar,
  .site-header { transition: none !important; }
}