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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--night-bg);
  color: var(--white-off);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

:root {
  --night-bg: #0A0E1A;
  --panel-bg: #111827;
  --white-off: #F8FAFC;
  --pitch-green: #00C853;
  --energy-orange: #FF6D00;
  --data-blue: #00B0FF;
  --warning-yellow: #FFD600;
  --muted-slate: #94A3B8;
  --line-stroke: #1F2937;
  --highlight: #E5E7EB;
  --font-head: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'JetBrains Mono', 'Roboto Mono', monospace;
  --container-w: 1240px;
  --clip-corner: 18px;
  --transition: 0.25s ease;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--pitch-green);
  color: var(--night-bg);
}

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

ul, ol {
  list-style: none;
}

a {
  color: var(--data-blue);
  text-decoration: none;
}

a:hover {
  color: var(--white-off);
}

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

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

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

/* ===== 通用容器 ===== */
.tqb-container {
  width: calc(100% - 2rem);
  max-width: var(--container-w);
  margin-inline: auto;
}

.tqb-section {
  padding-block: clamp(2.5rem, 6vw, 5rem);
}

.tqb-section--tight {
  padding-block: 1.25rem;
}

/* ===== 展览式标题 ===== */
.tqb-eyebrow {
  font-family: var(--font-num);
  font-size: 0.82rem;
  color: var(--pitch-green);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tqb-eyebrow::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--energy-orange);
}

.tqb-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--white-off);
  margin-bottom: 1rem;
}

.tqb-lede {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--muted-slate);
  max-width: 60ch;
}

.tqb-num {
  font-family: var(--font-num);
  font-weight: 700;
}

/* ===== 按钮 ===== */
.tqb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 10px 20px;
  background: var(--energy-orange);
  color: var(--night-bg);
  font-weight: 700;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: filter var(--transition), transform var(--transition);
}

.tqb-btn:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  color: var(--night-bg);
}

.tqb-btn--green {
  background: var(--pitch-green);
}

.tqb-btn--ghost {
  background: transparent;
  color: var(--white-off);
  clip-path: none;
  border: 1px solid var(--line-stroke);
}

.tqb-btn--ghost:hover {
  background: var(--line-stroke);
  color: var(--white-off);
}

/* ===== 切角面板 / 卡片 / 网格 ===== */
.tqb-panel {
  background: var(--panel-bg);
  clip-path: polygon(0 0, calc(100% - var(--clip-corner)) 0, 100% var(--clip-corner), 100% 100%, var(--clip-corner) 100%, 0 calc(100% - var(--clip-corner)));
  padding: clamp(1.25rem, 2.5vw, 2.25rem);
}

.tqb-panel + .tqb-panel {
  margin-top: 1.25rem;
}

.tqb-card {
  position: relative;
  background: var(--panel-bg);
  border-left: 3px solid var(--pitch-green);
  padding: 1.5rem;
  overflow: hidden;
}

.tqb-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, transparent 50%, rgba(0, 200, 83, 0.18) 50%);
}

.tqb-grid--two,
.tqb-grid--three {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .tqb-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .tqb-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ===== 标签 / 大数字 / 数据列表 ===== */
.tqb-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 4px 10px;
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--panel-bg);
  color: var(--muted-slate);
  border-left: 2px solid var(--pitch-green);
  white-space: nowrap;
}

.tqb-tag--live {
  color: var(--white-off);
  background: rgba(0, 200, 83, 0.12);
  border-left-color: var(--pitch-green);
}

.tqb-tag--hot {
  color: var(--energy-orange);
  border-left-color: var(--energy-orange);
}

.tqb-stat {
  font-family: var(--font-num);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white-off);
  display: block;
}

.tqb-stat--green {
  color: var(--pitch-green);
}

.tqb-stat--orange {
  color: var(--energy-orange);
}

.tqb-data-list {
  font-family: var(--font-num);
  font-size: 0.95rem;
}

.tqb-data-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--line-stroke);
}

.tqb-data-list li:last-child {
  border-bottom: 0;
}

/* ===== 图片容器 ===== */
.tqb-media {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(0, 200, 83, 0.08) 25%, transparent 25%),
    var(--panel-bg);
}

.tqb-media::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.tqb-media--portrait::before {
  padding-top: 125%;
}

.tqb-media--square::before {
  padding-top: 100%;
}

.tqb-media > img,
.tqb-media > video,
.tqb-media > .tqb-media-content {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tqb-media-content {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted-slate);
  font-family: var(--font-num);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
}

/* ===== 面包屑 ===== */
.tqb-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted-slate);
  padding-bottom: 1rem;
}

.tqb-breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.tqb-breadcrumbs li + li::before {
  content: "/";
  color: var(--line-stroke);
  margin-right: 0.5rem;
}

.tqb-breadcrumbs a {
  color: var(--muted-slate);
}

.tqb-breadcrumbs a:hover {
  color: var(--white-off);
}

.tqb-breadcrumbs [aria-current] {
  color: var(--white-off);
}

/* ===== 跳转链接 ===== */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--pitch-green);
  color: var(--night-bg);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

/* ===== 头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 26, 0.96);
  border-bottom: 1px solid var(--line-stroke);
}

.header-zone {
  height: 4px;
  background:
    linear-gradient(90deg, var(--pitch-green) 0 34%, transparent 34% 52%, var(--energy-orange) 52% 68%, transparent 68% 84%, var(--data-blue) 84% 100%);
  opacity: 0.8;
}

.header-masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--white-off);
  text-decoration: none;
}

.brand:hover {
  color: var(--white-off);
}

.brand-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--pitch-green), var(--energy-orange));
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  font-family: var(--font-num);
  font-weight: 900;
  font-size: 20px;
  color: var(--night-bg);
}

.brand-mark-line {
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--night-bg);
  transform: rotate(-18deg);
}

.brand-mark-text {
  position: relative;
  z-index: 1;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1;
}

.brand-tagline {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--muted-slate);
  text-transform: uppercase;
  white-space: nowrap;
}

.header-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-num);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--pitch-green);
  background: rgba(0, 200, 83, 0.1);
  padding: 6px 12px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.header-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pitch-green);
  box-shadow: 0 0 8px var(--pitch-green);
}

/* ===== 导航按钮 ===== */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--panel-bg);
  border: 1px solid var(--line-stroke);
  color: var(--white-off);
  cursor: pointer;
}

.nav-toggle-label {
  font-size: 0.8rem;
  color: var(--muted-slate);
}

.nav-toggle-bars {
  position: relative;
  display: inline-block;
  width: 22px;
  height: 14px;
}

.nav-toggle-bars i {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle-bars i:nth-child(1) {
  top: 0;
}

.nav-toggle-bars i:nth-child(2) {
  top: 6px;
}

.nav-toggle-bars i:nth-child(3) {
  top: 12px;
}

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

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

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

/* ===== 主导航 ===== */
.site-nav {
  display: block;
}

.nav-scroll {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  counter-reset: nav-counter;
  margin-inline: auto;
}

.nav-item {
  counter-increment: nav-counter;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px 14px;
  color: var(--muted-slate);
  font-weight: 700;
  border-bottom: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.nav-link::before {
  content: "0" counter(nav-counter);
  font-family: var(--font-num);
  font-size: 0.72rem;
  color: var(--pitch-green);
  opacity: 0.7;
}

.nav-link:hover {
  color: var(--white-off);
  background: rgba(255, 255, 255, 0.03);
}

.nav-link[aria-current="page"] {
  color: var(--white-off);
  border-bottom-color: var(--pitch-green);
  background: rgba(0, 200, 83, 0.08);
}

.nav-live {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted-slate);
  white-space: nowrap;
  margin-left: auto;
}

.nav-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--energy-orange);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(0.8);
  }
}

/* ===== 滚动进度条 ===== */
.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--pitch-green), var(--energy-orange));
  transform-origin: left center;
  transform: scaleX(0);
  will-change: transform;
}

/* ===== 移动端头部与导航 ===== */
@media (max-width: 959px) {
  .nav-toggle {
    display: inline-flex;
  }

  .header-live {
    display: none;
  }

  .site-nav {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    transition: grid-template-rows 0.3s ease, opacity 0.3s ease;
  }

  .site-nav[data-open] {
    grid-template-rows: 1fr;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-scroll {
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    padding-block: 0;
    overflow: hidden;
  }

  .site-nav[data-open] .nav-scroll {
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    width: 100%;
    padding: 12px 8px;
    border-left: 3px solid transparent;
    border-bottom: 1px solid var(--line-stroke);
    border-bottom-color: var(--line-stroke);
  }

  .nav-link[aria-current="page"] {
    border-left-color: var(--pitch-green);
    border-bottom-color: transparent;
    background: rgba(0, 200, 83, 0.06);
  }

  .nav-live {
    margin-left: 0;
    padding: 12px 8px 16px;
  }
}

/* ===== 页脚 ===== */
.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--panel-bg);
  border-top: 1px solid var(--line-stroke);
}

.footer-strip {
  height: 5px;
  background: linear-gradient(90deg, var(--pitch-green) 0 18%, transparent 18% 32%, var(--energy-orange) 32% 48%, transparent 48% 64%, var(--data-blue) 64% 82%, var(--warning-yellow) 82% 100%);
  opacity: 0.7;
}

.footer-inner {
  display: grid;
  gap: 2rem;
  padding-block: 3rem 2rem;
}

@media (min-width: 768px) {
  .footer-inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.brand--footer {
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.95rem;
  color: var(--muted-slate);
  max-width: 34ch;
}

.footer-trust {
  font-size: 0.82rem;
  color: var(--muted-slate);
  opacity: 0.78;
  border-left: 2px solid var(--line-stroke);
  padding-left: 0.75rem;
  margin-top: 1rem;
}

.footer-col-title {
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pitch-green);
  margin-bottom: 0.75rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 0.75rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted-slate);
  font-size: 0.9rem;
  padding-block: 2px;
}

.footer-link::before {
  content: "→";
  font-family: var(--font-num);
  font-size: 0.8rem;
  color: var(--pitch-green);
  opacity: 0.7;
}

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

.footer-contact-line {
  display: flex;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted-slate);
  margin-bottom: 0.35rem;
}

.footer-contact-key {
  font-family: var(--font-num);
  font-size: 0.75rem;
  color: var(--pitch-green);
  white-space: nowrap;
  padding-top: 2px;
}

.footer-legal {
  border-top: 1px solid var(--line-stroke);
  background: rgba(0, 0, 0, 0.2);
}

.footer-legal-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-block: 1rem;
  font-size: 0.82rem;
  color: var(--muted-slate);
}

/* ===== 标签页 ===== */
.tqb-tabs {
  background: var(--panel-bg);
  border: 1px solid var(--line-stroke);
}

.tqb-tablist {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line-stroke);
}

.tqb-tab {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 12px 20px;
  color: var(--muted-slate);
  font-weight: 700;
  cursor: pointer;
  border-bottom: 3px solid transparent;
}

.tqb-tab:hover {
  color: var(--white-off);
}

.tqb-tab[aria-selected="true"] {
  color: var(--white-off);
  border-bottom-color: var(--pitch-green);
  background: rgba(0, 200, 83, 0.08);
}

.tqb-tabpanel {
  padding: clamp(1rem, 2vw, 1.5rem);
}

/* ===== 手风琴 ===== */
.tqb-accordion {
  border-top: 1px solid var(--line-stroke);
}

.tqb-accordion-item {
  border-bottom: 1px solid var(--line-stroke);
}

.tqb-accordion-button {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  width: 100%;
  text-align: left;
  padding: 1rem 0;
  background: transparent;
  color: var(--white-off);
  border: 0;
  cursor: pointer;
  font-weight: 700;
}

.tqb-accordion-button::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.5rem;
  color: var(--pitch-green);
  line-height: 1;
}

.tqb-accordion-button[aria-expanded="true"]::after {
  content: "−";
}

.tqb-accordion-content {
  color: var(--muted-slate);
  padding-bottom: 1rem;
}

/* ===== 降低动效 ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}