/* ==========================================================
   天宝博体育平台 · 共享层样式
   主题：竞技数据控制台 / 深空蓝 × 电光橙 × 荧光绿
   ========================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--clr-space);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  margin-right: var(--header-w);
  background:
    radial-gradient(ellipse 900px 420px at 78% -2%, rgba(29, 59, 95, 0.55), transparent 65%),
    var(--clr-space);
  color: var(--clr-paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: var(--clr-green);
  text-decoration: underline;
  text-decoration-color: rgba(57, 255, 20, 0.4);
  text-underline-offset: 4px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

a:hover {
  color: var(--clr-orange);
  text-decoration-color: var(--clr-orange);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  color: var(--clr-paper);
  line-height: 1.25;
}

h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

h2 {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
}

h3 {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
}

::selection {
  background: var(--clr-orange);
  color: var(--clr-space-deep);
}

:focus-visible {
  outline: 2px solid var(--clr-orange);
  outline-offset: 3px;
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--clr-space);
}

::-webkit-scrollbar-thumb {
  background: var(--clr-navy);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-orange);
}

/* ---------- 2. CSS 变量 ---------- */
:root {
  --clr-space: #0a1128;
  --clr-space-deep: #050d1f;
  --clr-orange: #ff6b00;
  --clr-green: #39ff14;
  --clr-paper: #f5f0e6;
  --clr-ink: #1a1a1a;
  --clr-silver: #8a8a8a;
  --clr-navy: #1d3b5f;
  --clr-white: #f8f8f8;

  --font-head: "Montserrat", "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Serif Pro", "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, Georgia, serif;

  --header-w: 280px;
  --header-h-mobile: 64px;
  --space-unit: 8px;
}

/* ---------- 3. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding-left: clamp(20px, 4vw, 56px);
  padding-right: clamp(20px, 4vw, 56px);
}

.container--narrow {
  max-width: 860px;
}

.container--wide {
  max-width: 1640px;
}

.section {
  padding: 72px 0;
}

.section--tight {
  padding: 40px 0;
}

.section--flush {
  padding: 0;
}

.page-main {
  min-height: 70vh;
  padding-bottom: 72px;
}

#main-content {
  scroll-margin-top: var(--header-h-mobile);
}

@media (min-width: 769px) {
  #main-content {
    scroll-margin-top: 0;
  }
}

.grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}

.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));
}

.grid--asym {
  grid-template-columns: 1.5fr 1fr;
}

/* ---------- 4. 页首与标题 ---------- */
.page-hero {
  position: relative;
  padding: 76px 0 44px;
  margin-bottom: 48px;
  border-bottom: 1px solid rgba(57, 255, 20, 0.2);
}

.page-hero::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 260px;
  height: 260px;
  background: repeating-linear-gradient(135deg, rgba(255, 107, 0, 0.5) 0 1px, transparent 1px 14px);
  opacity: 0.14;
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
  z-index: 0;
}

.page-hero > * {
  position: relative;
  z-index: 1;
}

.page-hero-eyebrow {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--clr-green);
  margin: 0 0 12px;
}

.page-hero-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(42px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--clr-paper);
  max-width: 900px;
}

.page-hero-title em {
  font-style: normal;
  color: var(--clr-orange);
}

.page-hero-dek {
  max-width: 620px;
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: rgba(245, 240, 230, 0.68);
}

.page-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 36px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--clr-paper);
}

.section-heading::before {
  content: "";
  width: 18px;
  height: 4px;
  background: var(--clr-orange);
  transform: skewX(-24deg);
  flex-shrink: 0;
}

.section-heading::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 107, 0, 0.45), rgba(57, 255, 20, 0.35), transparent);
}

.section-heading-index {
  font-size: 0.52em;
  font-weight: 400;
  color: var(--clr-silver);
  letter-spacing: 0.16em;
  line-height: 1;
  align-self: flex-end;
  margin-bottom: 3px;
}

.slash-mark {
  display: inline-block;
  width: 18px;
  height: 3px;
  background: var(--clr-orange);
  transform: skewX(-28deg);
  vertical-align: middle;
  margin-right: 10px;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, transform 0.1s ease;
}

.btn:active {
  transform: translateY(2px);
}

.btn--primary {
  background: var(--clr-orange);
  color: var(--clr-space-deep);
  border-color: var(--clr-orange);
  box-shadow: 6px 6px 0 rgba(255, 107, 0, 0.25);
}

.btn--primary:hover {
  background: #ff8127;
  color: var(--clr-space-deep);
  text-decoration: none;
  box-shadow: 8px 8px 0 rgba(255, 107, 0, 0.16);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-paper);
  border-color: rgba(245, 240, 230, 0.3);
  text-decoration: none;
}

.btn--ghost:hover {
  border-color: var(--clr-orange);
  color: var(--clr-orange);
  text-decoration: none;
}

.btn--artifact {
  background: transparent;
  color: var(--clr-green);
  border-color: rgba(57, 255, 20, 0.7);
  text-decoration: none;
}

.btn--artifact:hover {
  background: rgba(57, 255, 20, 0.08);
  color: var(--clr-green);
  text-decoration: none;
}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.breadcrumb-link {
  color: var(--clr-silver);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb-link:hover {
  color: var(--clr-orange);
}

.breadcrumb-sep {
  color: rgba(245, 240, 230, 0.22);
}

.breadcrumb-current {
  color: var(--clr-green);
}

/* ---------- 7. 面板与数据组件 ---------- */
.panel {
  border: 1px solid rgba(245, 240, 230, 0.1);
  background: rgba(10, 17, 40, 0.6);
  padding: 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.panel:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(5, 13, 31, 0.5);
}

.panel--dark {
  background: rgba(5, 13, 31, 0.8);
  border-color: rgba(255, 107, 0, 0.25);
}

.panel--paper {
  background: var(--clr-paper);
  color: var(--clr-ink);
  border-color: var(--clr-paper);
}

.panel--paper h1,
.panel--paper h2,
.panel--paper h3,
.panel--paper h4 {
  color: var(--clr-ink);
}

.data-tile {
  position: relative;
  padding: 24px;
  background: rgba(29, 59, 95, 0.35);
  border: 1px solid rgba(245, 240, 230, 0.1);
  border-top: 2px solid var(--clr-silver);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.data-tile:hover {
  border-top-color: var(--clr-orange);
  transform: translateY(-2px);
}

.data-tile-label {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-silver);
  margin: 0 0 10px;
}

.data-tile-value {
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  color: var(--clr-paper);
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.data-tile--accent .data-tile-value {
  color: var(--clr-green);
  text-shadow: 0 0 18px rgba(57, 255, 20, 0.35);
}

.data-tile--lg .data-tile-value {
  font-size: 52px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(245, 240, 230, 0.1);
  background: rgba(5, 13, 31, 0.4);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-head);
  font-size: 14px;
  color: rgba(245, 240, 230, 0.72);
  min-width: 640px;
}

.data-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-silver);
  border-bottom: 1px solid rgba(245, 240, 230, 0.12);
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(245, 240, 230, 0.05);
  font-variant-numeric: tabular-nums;
}

.data-table tbody tr {
  transition: background 0.2s ease;
}

.data-table tbody tr:hover,
.data-table tbody tr:focus-within {
  background: rgba(255, 107, 0, 0.08);
}

.num {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.tag {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-green);
  border: 1px solid rgba(57, 255, 20, 0.4);
  background: rgba(57, 255, 20, 0.05);
  transform: skewX(-8deg);
  white-space: nowrap;
}

.stat-line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 10px 0;
  border-bottom: 1px dotted rgba(245, 240, 230, 0.14);
  font-family: var(--font-body);
  font-size: 15px;
}

.stat-line-label {
  color: rgba(245, 240, 230, 0.62);
}

.stat-line-value {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--clr-paper);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stat-line-value em {
  font-style: normal;
  color: var(--clr-orange);
  margin-left: 6px;
  font-size: 12px;
}

/* ---------- 8. 时间线 ---------- */
.timeline {
  position: relative;
  margin: 0;
  padding: 0;
  border-left: 1px solid rgba(57, 255, 20, 0.25);
  margin-left: 8px;
}

.timeline-item {
  position: relative;
  padding: 0 0 48px 32px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-badge {
  position: absolute;
  left: -5px;
  top: 4px;
  width: 9px;
  height: 9px;
  background: var(--clr-orange);
  transform: rotate(45deg);
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.5);
}

.timeline-item.is-done .timeline-badge {
  background: var(--clr-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

.timeline-time {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-silver);
  margin-bottom: 6px;
}

.timeline-body h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--clr-paper);
  margin: 0 0 8px;
}

.timeline-body p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.62);
}

/* ---------- 9. 图片框 ---------- */
.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  min-height: 180px;
  background:
    linear-gradient(135deg, rgba(29, 59, 95, 0.55), rgba(5, 13, 31, 0.75)),
    var(--clr-space-deep);
  border: 1px solid rgba(245, 240, 230, 0.1);
  box-shadow: inset 0 0 0 1px rgba(57, 255, 20, 0.1);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

a.image-frame:hover {
  border-color: rgba(255, 107, 0, 0.35);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 0, 0.4);
}

.image-frame img,
.image-frame > svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame::before {
  content: "";
  position: absolute;
  top: -20%;
  bottom: -20%;
  left: 55%;
  width: 26%;
  background: linear-gradient(115deg, transparent, rgba(255, 107, 0, 0.14), rgba(57, 255, 20, 0.08), transparent);
  transform: skewX(-14deg);
  opacity: 0;
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.3s ease;
}

.image-frame--motion::before {
  opacity: 1;
}

.image-frame::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 10px;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--clr-green);
  border-right: 1px solid var(--clr-green);
  opacity: 0.8;
  pointer-events: none;
  z-index: 2;
}

.image-frame--hero {
  aspect-ratio: 16 / 8;
}

.image-frame--wide {
  aspect-ratio: 21 / 8;
}

.image-frame--portrait {
  aspect-ratio: 3 / 4;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

.image-frame-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 32px 16px 10px;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clr-paper);
  background: linear-gradient(to top, rgba(5, 13, 31, 0.9), transparent);
}

/* ---------- 10. 跳过链接与滚动进度 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 4000;
  padding: 10px 18px;
  background: var(--clr-orange);
  color: var(--clr-space-deep);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform 0.2s ease;
}

.skip-link:hover {
  color: var(--clr-space-deep);
  background: #ff8127;
  text-decoration: none;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 3000;
  pointer-events: none;
  background: transparent;
}

.scroll-progress::after {
  content: "";
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--clr-orange), var(--clr-green));
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  box-shadow: 0 0 10px rgba(255, 107, 0, 0.55);
}

/* ---------- 11. 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1000;
  width: var(--header-w);
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: rgba(5, 13, 31, 0.94);
  border-left: 1px solid rgba(57, 255, 20, 0.22);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header-inner {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}

.site-header-inner .site-brand {
  padding: 28px 24px 0;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--clr-paper);
}

.site-brand:hover {
  color: var(--clr-paper);
  text-decoration: none;
}

.site-brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  background: var(--clr-orange);
  transform: skewX(-8deg);
  box-shadow: 4px 4px 0 rgba(57, 255, 20, 0.25);
}

.site-brand-mark-txt {
  transform: skewX(8deg);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--clr-space-deep);
  line-height: 1;
}

.site-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-brand-name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--clr-paper);
  line-height: 1.1;
  white-space: nowrap;
}

.site-brand-sub {
  font-family: var(--font-head);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-silver);
  margin-top: 3px;
  white-space: nowrap;
}

.site-nav {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  margin-top: 26px;
}

.site-nav-head {
  font-family: var(--font-head);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(245, 240, 230, 0.35);
  padding: 0 24px 12px;
  border-bottom: 1px solid rgba(255, 107, 0, 0.35);
  line-height: 1;
}

.site-nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  color: rgba(245, 240, 230, 0.82);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(245, 240, 230, 0.06);
  transition: background 0.25s ease, color 0.25s ease, padding-left 0.25s ease;
}

.site-nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--clr-orange);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.25s ease, background 0.25s ease;
}

.site-nav-link:hover {
  color: var(--clr-orange);
  background: rgba(255, 107, 0, 0.04);
  padding-left: 30px;
  text-decoration: none;
}

.site-nav-link:hover::before {
  transform: scaleY(1);
}

.site-nav-link[aria-current="page"] {
  color: var(--clr-green);
  background: rgba(57, 255, 20, 0.04);
}

.site-nav-link[aria-current="page"]::before {
  transform: scaleY(1);
  background: var(--clr-green);
}

.site-nav-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--clr-silver);
  width: 22px;
  flex-shrink: 0;
  transition: color 0.25s ease;
  line-height: 1;
}

.site-nav-link:hover .site-nav-num {
  color: var(--clr-orange);
}

.site-nav-link[aria-current="page"] .site-nav-num {
  color: var(--clr-green);
}

.site-nav-txt {
  flex: 1;
  line-height: 1;
  transition: transform 0.2s ease;
}

.site-nav-link:hover .site-nav-txt {
  transform: skewX(-6deg);
}

.site-nav-arrow {
  font-size: 12px;
  color: rgba(245, 240, 230, 0.35);
  transition: color 0.25s ease, transform 0.25s ease;
  line-height: 1;
}

.site-nav-link:hover .site-nav-arrow {
  color: var(--clr-orange);
  transform: translate(2px, -2px);
}

.site-nav-cta {
  display: none;
  margin: 28px 20px 0;
  padding: 15px 18px;
  background: var(--clr-orange);
  color: var(--clr-space-deep);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 6px 6px 0 rgba(57, 255, 20, 0.22);
  transition: background 0.22s ease, box-shadow 0.22s ease;
}

.site-nav-cta:hover {
  color: var(--clr-space-deep);
  background: #ff8127;
  text-decoration: none;
  box-shadow: 8px 8px 0 rgba(57, 255, 20, 0.14);
}

.site-header-foot {
  margin-top: auto;
  padding: 20px 24px 0;
  border-top: 1px solid rgba(245, 240, 230, 0.08);
}

.site-header-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--clr-orange);
  color: var(--clr-space-deep);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header-cta:hover {
  color: var(--clr-space-deep);
  background: #ff8127;
  text-decoration: none;
  box-shadow: 0 0 22px rgba(255, 107, 0, 0.45);
}

.site-header-cta-ic {
  font-size: 16px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.site-header-cta:hover .site-header-cta-ic {
  transform: translateX(4px);
}

.site-header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 0 0;
  font-family: var(--font-head);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-silver);
}

.site-header-status-dot {
  width: 7px;
  height: 7px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px var(--clr-green);
  animation: status-pulse 2s ease-in-out infinite;
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border: 1px solid rgba(245, 240, 230, 0.2);
  background: transparent;
  color: var(--clr-paper);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--clr-orange);
}

.nav-toggle-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--clr-paper);
  transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.nav-toggle:hover .nav-toggle-bar {
  background: var(--clr-orange);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle-label {
  font-family: var(--font-head);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clr-silver);
  line-height: 1;
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 80px;
  background:
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(245, 240, 230, 0.015) 22px 23px),
    var(--clr-space-deep);
  border-top: 1px solid rgba(57, 255, 20, 0.2);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--clr-orange) 0 24px, transparent 24px 32px, var(--clr-green) 32px 56px, transparent 56px 64px);
  opacity: 0.6;
  pointer-events: none;
}

.site-footer-top {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 0.8fr 1.3fr;
  gap: 40px;
  padding: 56px 0 48px;
}

.site-footer-col {
  min-width: 0;
}

.site-brand--footer {
  padding: 0;
}

.site-brand--footer .site-brand-mark {
  width: 42px;
  height: 42px;
  box-shadow: 3px 3px 0 rgba(255, 107, 0, 0.3);
}

.site-brand--footer .site-brand-mark-txt {
  font-size: 15px;
}

.site-brand--footer .site-brand-name {
  font-size: 19px;
}

.site-brand--footer .site-brand-sub {
  font-size: 9px;
}

.site-footer-note {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.55);
  max-width: 340px;
  margin: 18px 0 0;
}

.site-footer-title {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-paper);
  margin: 0 0 16px;
  padding-bottom: 8px;
  position: relative;
}

.site-footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--clr-orange);
}

.site-footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer-list li {
  margin-bottom: 9px;
}

.site-footer-link {
  position: relative;
  color: rgba(245, 240, 230, 0.65);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 14px;
  transition: color 0.2s ease;
}

.site-footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 1px;
  width: 0;
  background: var(--clr-orange);
  transition: width 0.25s ease;
}

.site-footer-link:hover {
  color: var(--clr-orange);
  text-decoration: none;
}

.site-footer-link:hover::after {
  width: 100%;
}

.site-footer-contact-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.55;
}

.site-footer-contact-label {
  font-family: var(--font-head);
  color: var(--clr-silver);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.site-footer-contact-value {
  color: rgba(245, 240, 230, 0.68);
  font-family: var(--font-body);
  word-break: break-all;
}

.site-footer-bottom {
  border-top: 1px solid rgba(245, 240, 230, 0.08);
  padding: 20px 0;
}

.site-footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer-copyright,
.site-footer-icp {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 230, 0.45);
  margin: 0;
}

/* ---------- 13. 响应式：平板 ---------- */
@media (min-width: 769px) and (max-width: 1100px) {
  :root {
    --header-w: 232px;
  }

  .site-header-inner .site-brand {
    padding: 22px 18px 0;
  }

  .site-nav-head {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-nav-link {
    padding: 16px 18px;
  }

  .site-nav-link:hover {
    padding-left: 22px;
  }

  .site-header-foot {
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-header-cta {
    padding: 13px 12px;
    font-size: 12px;
  }

  .site-header-status {
    font-size: 9px;
    letter-spacing: 0.12em;
  }

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

  .grid--asym {
    grid-template-columns: 1fr;
  }

  .site-footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* ---------- 14. 响应式：手机 ---------- */
@media (max-width: 768px) {
  body {
    margin-right: 0;
    padding-top: var(--header-h-mobile);
    font-size: 16px;
    line-height: 1.75;
  }

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section {
    padding: 48px 0;
  }

  .page-hero {
    padding: 48px 0 32px;
    margin-bottom: 32px;
  }

  .page-hero::after {
    width: 140px;
    height: 140px;
  }

  .page-hero-title {
    font-size: clamp(34px, 11vw, 52px);
  }

  .page-hero-dek {
    font-size: 16px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .grid--asym {
    grid-template-columns: 1fr;
  }

  .timeline {
    margin-left: 5px;
  }

  .timeline-item {
    padding-left: 24px;
  }

  .image-frame--hero {
    aspect-ratio: 16 / 10;
  }

  /* 头部：右侧栏转为顶部条 */
  .site-header {
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    height: var(--header-h-mobile);
    flex-direction: row;
    align-items: center;
    border-left: none;
    border-bottom: 1px solid rgba(57, 255, 20, 0.28);
    background: rgba(5, 13, 31, 0.96);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .site-header-inner {
    flex: 1;
    width: auto;
    height: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
  }

  .site-header-inner .site-brand {
    padding: 0;
  }

  .site-brand-mark {
    width: 38px;
    height: 38px;
    box-shadow: 3px 3px 0 rgba(57, 255, 20, 0.25);
  }

  .site-brand-mark-txt {
    font-size: 14px;
  }

  .site-brand-name {
    font-size: 18px;
  }

  .site-brand-sub {
    font-size: 9px;
  }

  .site-header-foot {
    display: none;
  }

  /* 导航抽屉 */
  .site-nav {
    position: fixed;
    top: var(--header-h-mobile);
    right: 0;
    bottom: 0;
    z-index: 1050;
    width: min(320px, 85vw);
    height: auto;
    margin-top: 0;
    padding: 16px 0 32px;
    background: rgba(5, 13, 31, 0.98);
    border-left: 1px solid rgba(57, 255, 20, 0.3);
    transform: translateX(105%);
    transition: transform 0.32s ease, box-shadow 0.32s ease;
    box-shadow: none;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    box-shadow: -18px 0 40px rgba(0, 0, 0, 0.5);
  }

  .site-nav-head {
    padding-left: 20px;
    padding-right: 20px;
  }

  .site-nav-link {
    padding: 17px 20px;
  }

  .site-nav-link:hover {
    padding-left: 24px;
  }

  .site-nav-cta {
    display: block;
    margin-left: 20px;
    margin-right: 20px;
  }

  .nav-toggle {
    display: flex;
  }

  html[data-nav-open] {
    overflow: hidden;
  }

  /* 页脚 */
  .site-footer {
    margin-top: 48px;
  }

  .site-footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px;
  }

  .site-footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 15. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .scroll-progress::after {
    box-shadow: none;
  }

  .site-header-status-dot {
    animation: none;
  }

  .image-frame::before {
    transition: none;
  }
}