/* ============================================================
   微乐中心 · /assets/site.css
   共享外壳样式：reset / 变量 / 排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

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

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

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

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

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

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

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

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

/* ---------- 2. 变量 ---------- */
:root {
  --c-orange: #FF6A1A;
  --c-orange-lift: #FF9351;
  --c-orange-deep: #C2420B;
  --c-orange-mist: #FFF1E6;
  --c-navy: #0F2A4A;
  --c-navy-mid: #1F4A7A;
  --c-slate: #66788F;
  --c-line: #E6EAEF;
  --c-line-soft: #D7DEE7;
  --c-paper: #F7F8FA;
  --c-white: #FFFFFF;
  --c-jade: #12B39A;
  --c-jade-deep: #0B7A69;

  --grad-track: linear-gradient(120deg, #FF6A1A 0%, #C2420B 45%, #0F2A4A 100%);

  --font-display: "HarmonyOS Sans SC", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-num: "Barlow Semi Condensed", "DIN Alternate", "Oswald", "Helvetica Neue", ui-monospace, sans-serif;

  --shell: 1240px;
  --pad: clamp(18px, 4vw, 40px);
  --gap: 24px;
  --cut: 14px;
  --r-pill: 999px;
  --r-soft: 10px;

  --shadow-island: 0 12px 34px -22px rgba(15, 42, 74, .55);
  --shadow-soft: 0 18px 40px -30px rgba(15, 42, 74, .5);

  --t-fast: .22s cubic-bezier(.4, 0, .2, 1);
  --t-base: .32s cubic-bezier(.4, 0, .2, 1);

  --header-offset: 108px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--c-navy);
  background-color: var(--c-paper);
  padding-top: var(--header-offset);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.h-display {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -.02em;
}

.h-section {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -.02em;
}

.h-card {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.lede {
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-navy-mid);
  max-width: 720px;
}

.muted {
  font-size: 14px;
  color: var(--c-slate);
}

.num {
  font-family: var(--font-num);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

.vnum {
  font-family: var(--font-num);
  font-weight: 700;
  padding: 0 .15em;
  font-variant-numeric: tabular-nums;
}

.prose {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.8;
}

.prose p + p { margin-top: 16px; }
.prose h2 { margin-top: 40px; margin-bottom: 14px; }
.prose h3 { margin-top: 28px; margin-bottom: 10px; }
.prose ul, .prose ol { margin-top: 14px; padding-left: 20px; list-style: disc; }
.prose li + li { margin-top: 8px; }

.prose a {
  color: var(--c-orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 4. 内容壳与网格 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(48px, 7vw, 104px); }
.section--tight { padding-block: clamp(28px, 4vw, 52px); }

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

.col-3, .col-4, .col-5, .col-6, .col-8 { grid-column: span 12; }

@media (min-width: 641px) {
  .col-3 { grid-column: span 4; }
  .col-4 { grid-column: span 4; }
  .col-5 { grid-column: span 4; }
  .col-6 { grid-column: span 8; }
  .col-8 { grid-column: span 8; }
}

@media (min-width: 1025px) {
  .col-3 { grid-column: span 3; }
  .col-4 { grid-column: span 4; }
  .col-5 { grid-column: span 5; }
  .col-6 { grid-column: span 6; }
  .col-8 { grid-column: span 8; }
}

/* ---------- 5. 切角面板与卡片 ---------- */
.panel {
  position: relative;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  padding: clamp(20px, 2.4vw, 30px);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.panel--square { clip-path: none; }
.panel--mist { background: var(--c-orange-mist); border-color: rgba(194, 66, 11, .16); }
.panel--navy { background: var(--c-navy); border-color: transparent; color: var(--c-white); }
.panel--focus { background: var(--c-orange); border-color: transparent; color: var(--c-navy); }
.panel--flat { background: transparent; border-color: transparent; padding: 0; clip-path: none; }

.panel:hover { border-color: var(--c-orange); }
.panel--focus:hover,
.panel--navy:hover { border-color: transparent; }

/* 档案条目卡 */
.doc {
  display: block;
  padding: 20px 22px;
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-orange);
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.doc:hover {
  border-color: var(--c-orange);
  border-left-color: var(--c-orange-deep);
  background: #FFFCFA;
}

/* 键值资料行 */
.dl { display: grid; gap: 12px; }

.dl__row {
  display: grid;
  grid-template-columns: minmax(84px, 120px) 1fr;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-size: 14.5px;
}

.dl__key { color: var(--c-slate); }

/* ---------- 6. 标签 / 章 / 编号 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  padding: 6px 11px;
  border-radius: var(--r-pill);
  background: var(--c-orange-mist);
  color: var(--c-orange-deep);
  border: 1px solid rgba(194, 66, 11, .16);
  white-space: nowrap;
}

.chip--jade {
  background: rgba(18, 179, 154, .1);
  color: var(--c-jade-deep);
  border-color: rgba(18, 179, 154, .3);
}

.chip--navy {
  background: rgba(15, 42, 74, .06);
  color: var(--c-navy);
  border-color: var(--c-line);
}

.chip--onDark {
  background: rgba(255, 241, 230, .12);
  color: #FFD9C2;
  border-color: rgba(255, 241, 230, .22);
}

.stamp {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--c-navy);
  color: var(--c-white);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
}

.stamp--orange { background: var(--c-orange); }
.stamp--ghost {
  background: transparent;
  border: 1px solid var(--c-line);
  color: var(--c-slate);
}

.sec-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: clamp(44px, 7.5vw, 92px);
  line-height: .88;
  letter-spacing: -.02em;
  color: var(--c-line-soft);
  transition: color var(--t-base);
}

.sec-num.is-active { color: var(--c-orange); }

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  padding: 12px 22px;
  border-radius: var(--r-soft);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background-color var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.btn--solid {
  background: var(--c-orange-deep);
  color: var(--c-white);
}

.btn--solid:hover { background: var(--c-orange); }

.btn--line {
  background: var(--c-white);
  border-color: var(--c-line);
  color: var(--c-navy);
}

.btn--line:hover {
  border-color: var(--c-orange);
  color: var(--c-orange-deep);
}

.btn--ghost {
  background: var(--c-orange-mist);
  color: var(--c-orange-deep);
}

.btn--ghost:hover {
  background: var(--c-orange);
  color: var(--c-white);
}

.btn--sm {
  padding: 10px 16px;
  font-size: 13.5px;
  border-radius: var(--r-pill);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 20px 0;
  font-size: 13.5px;
  color: var(--c-slate);
}

.crumbs a {
  color: var(--c-navy-mid);
  transition: color var(--t-fast);
}

.crumbs a:hover { color: var(--c-orange-deep); }

.crumbs__sep { opacity: .5; }

.crumbs [aria-current="page"] {
  color: var(--c-navy);
  font-weight: 600;
}

/* ---------- 9. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--c-orange-mist) 0%, #E9EFF6 100%);
  border: 1px solid var(--c-line);
}

.media--cut {
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.media--sq { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
}

/* ---------- 10. 横向轨道 ---------- */
.track-wrap { position: relative; }

.track-wrap::before,
.track-wrap::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 18px;
  width: 56px;
  pointer-events: none;
  z-index: 2;
}

.track-wrap::before {
  left: 0;
  background: linear-gradient(90deg, var(--c-paper) 12%, rgba(247, 248, 250, 0));
}

.track-wrap::after {
  right: 0;
  background: linear-gradient(270deg, var(--c-paper) 12%, rgba(247, 248, 250, 0));
}

.track {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  padding: 6px 2px 18px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--c-line-soft) transparent;
}

.track::-webkit-scrollbar { height: 6px; }
.track::-webkit-scrollbar-track { background: transparent; }

.track::-webkit-scrollbar-thumb {
  background: var(--c-line-soft);
  border-radius: 3px;
}

.track__item {
  flex: 0 0 clamp(220px, 26vw, 286px);
  scroll-snap-align: start;
}

/* ---------- 11. 右侧刻度条 ---------- */
.rail {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 50;
}

.rail__link {
  width: 11px;
  height: 11px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--c-line-soft);
  background: var(--c-white);
  transition: background-color var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}

.rail__link:hover { border-color: var(--c-orange); }

.rail__link.is-active {
  background: var(--c-orange);
  border-color: var(--c-orange);
  transform: scale(1.28);
}

@media (max-width: 1000px) { .rail { display: none; } }

/* ---------- 12. 章节锚点与折叠 ---------- */
[data-section] { scroll-margin-top: 120px; }

.collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--t-base);
}

.collapse > * { padding-block: 14px; }

.acc { border-top: 1px solid var(--c-line); }

.acc__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-navy);
  transition: color var(--t-fast);
}

.acc__trigger:hover { color: var(--c-orange-deep); }

.acc__trigger::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1;
  color: var(--c-orange-deep);
}

.acc__trigger[aria-expanded="true"]::after { content: "–"; }

/* ---------- 13. 滚动显现 ---------- */
.has-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--t-base), transform var(--t-base);
  will-change: opacity, transform;
}

.has-reveal [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 焦点样式 ---------- */
:focus-visible {
  outline: 3px solid var(--c-orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 15. 跳转链 ---------- */
.skip-link {
  position: fixed;
  left: 18px;
  top: -80px;
  z-index: 120;
  padding: 11px 20px;
  border-radius: var(--r-pill);
  background: var(--c-navy);
  color: var(--c-white);
  font-size: 14px;
  font-weight: 600;
  transition: top var(--t-fast);
}

.skip-link:focus { top: 16px; }

/* ---------- 16. 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  padding: 14px var(--pad) 0;
  pointer-events: none;
  transition: padding-top var(--t-base);
}

.readbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 90;
  pointer-events: none;
  background: rgba(15, 42, 74, .06);
}

.readbar__fill {
  display: block;
  height: 100%;
  width: 0;
  background: var(--grad-track);
  transition: width .12s linear;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--shell);
  margin-inline: auto;
  pointer-events: auto;
}

.island {
  display: flex;
  align-items: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--shadow-island);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

/* 品牌岛 */
.island--brand {
  flex: 0 1 auto;
  min-width: 0;
  gap: 12px;
  padding: 6px 18px 6px 7px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand__glyph {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: var(--c-orange);
  color: var(--c-white);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  line-height: 1;
}

.brand__stack {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--c-navy);
  white-space: nowrap;
}

.brand__tag {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 7px;
  border-radius: var(--r-pill);
  background: var(--c-orange-mist);
  color: var(--c-orange-deep);
  border: 1px solid rgba(194, 66, 11, .18);
}

.island__suffix {
  font-size: 13px;
  color: var(--c-slate);
  white-space: nowrap;
  padding-left: 12px;
  border-left: 1px solid var(--c-line);
  max-width: 260px;
  overflow: hidden;
  transition: max-width var(--t-base), opacity var(--t-base), padding-left var(--t-base);
}

/* 栏目岛 */
.island--nav {
  flex: 0 0 auto;
  margin-inline: auto;
  padding: 5px;
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: block;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--c-navy);
  white-space: nowrap;
  transition: background-color var(--t-fast), color var(--t-fast);
}

.nav-link:hover {
  background: var(--c-orange-mist);
  color: var(--c-orange-deep);
}

.nav-link[aria-current="page"] {
  background: var(--c-navy);
  color: var(--c-white);
  font-weight: 600;
}

.nav-foot { display: none; }

/* 行动岛 */
.island--act {
  flex: 0 0 auto;
  gap: 12px;
  padding: 5px 5px 5px 16px;
}

.member-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-navy-mid);
  white-space: nowrap;
  transition: color var(--t-fast);
}

.member-link:hover { color: var(--c-orange-deep); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .94);
  box-shadow: var(--shadow-island);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-navy);
}

.toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.toggle-bars i {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--c-navy);
  transition: transform var(--t-fast), opacity var(--t-fast);
}

.nav-toggle[aria-expanded="true"] .toggle-bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .toggle-bars i:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded="true"] .toggle-bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 滚动收窄态 */
.site-header[data-scrolled="true"] { padding-top: 8px; }

.site-header[data-scrolled="true"] .island__suffix {
  max-width: 0;
  opacity: 0;
  padding-left: 0;
  border-left-color: transparent;
}

.site-header[data-scrolled="true"] .island--nav { padding: 4px; }
.site-header[data-scrolled="true"] .nav-link { padding: 8px 13px; }

/* ---------- 17. 头部响应式 ---------- */
@media (max-width: 1180px) {
  .island__suffix { max-width: 190px; font-size: 12.5px; }
  .nav-link { padding: 9px 12px; font-size: 14px; }
}

@media (max-width: 1000px) {
  :root { --header-offset: 92px; }

  .site-header { padding-top: 12px; }

  .island--nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    margin: 0;
    display: block;
    padding: 0;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    border-radius: 22px;
    transition: max-height var(--t-base), opacity var(--t-fast), visibility var(--t-base);
  }

  .island--nav[data-open="true"] {
    max-height: min(74vh, 560px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .nav-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 0;
  }

  .island--nav[data-open="true"] .nav-panel { padding: 12px; }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    padding: 13px 15px;
    border-radius: 14px;
    font-size: 15px;
  }

  .nav-foot {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-top: 6px;
    padding-top: 12px;
    border-top: 1px solid var(--c-line);
  }

  .nav-foot__link {
    padding: 6px 15px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-navy-mid);
  }

  .nav-foot__link:hover { color: var(--c-orange-deep); }

  .nav-foot .btn { width: 100%; padding: 13px 18px; }

  .island--act {
    margin-left: auto;
    padding: 6px 10px;
  }

  .island--act .btn { display: none; }
  .member-link { font-size: 13.5px; }

  .nav-toggle { display: inline-flex; margin-left: 0; }

  .island__suffix { display: none; }
}

@media (max-width: 560px) {
  :root { --header-offset: 86px; }

  .site-header { padding-top: 10px; }
  .island--brand { padding: 5px 12px 5px 6px; gap: 8px; }
  .brand__glyph { width: 30px; height: 30px; font-size: 15px; }
  .brand__name { font-size: 15px; }
  .brand__tag { display: none; }
  .nav-toggle { padding: 9px 13px; }
  .toggle-label { display: none; }
  .island--act { padding: 6px 8px; }
  .member-link { font-size: 13px; }
}

/* ---------- 18. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 8vw, 120px);
  background: var(--c-navy);
  color: rgba(255, 241, 230, .78);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 241, 230, .14) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .55;
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(48px, 6vw, 82px) var(--pad) 30px;
}

.footer-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand__glyph {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  background: var(--c-orange);
  color: var(--c-white);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  line-height: 1;
  clip-path: polygon(11px 0, 100% 0, 100% 100%, 0 100%, 0 11px);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--c-white);
}

.footer-brand__note {
  margin-top: 3px;
  font-size: 13px;
  color: rgba(255, 241, 230, .55);
}

.footer-contact {
  padding: 22px 24px;
  background: rgba(255, 241, 230, .05);
  border: 1px solid rgba(255, 241, 230, .14);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.footer-contact__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-orange-lift);
  margin-bottom: 12px;
}

.footer-contact__list li {
  display: flex;
  gap: 12px;
  padding-block: 5px;
  font-size: 14.5px;
}

.footer-contact__key {
  flex: 0 0 auto;
  min-width: 68px;
  color: rgba(255, 241, 230, .5);
}

.footer-contact__val { color: #FFE9DA; font-weight: 500; }

.footer-contact__cta {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  padding: 11px 20px;
  border-radius: var(--r-soft);
  background: var(--c-orange-deep);
  color: var(--c-white);
  font-size: 13.5px;
  font-weight: 700;
  transition: background-color var(--t-fast);
}

.footer-contact__cta:hover { background: var(--c-orange); }

.footer-contact__note {
  margin-top: 10px;
  font-size: 12.5px;
  color: rgba(255, 241, 230, .5);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px 24px;
  padding-block: 38px;
  border-top: 1px solid rgba(255, 241, 230, .14);
  border-bottom: 1px solid rgba(255, 241, 230, .14);
}

.footer-col__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .08em;
  color: var(--c-orange-lift);
  margin-bottom: 16px;
}

.footer-col__list li + li { margin-top: 11px; }

.footer-link {
  font-size: 14.5px;
  color: rgba(255, 241, 230, .72);
  transition: color var(--t-fast);
}

.footer-link:hover { color: var(--c-white); }

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  padding-top: 26px;
}

.footer-base__meta {
  font-size: 13px;
  color: rgba(255, 241, 230, .45);
}

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

@media (max-width: 520px) {
  .footer-cols { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* ---------- 19. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  .has-reveal [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .readbar__fill { transition: none; }
}