:root{
  --color-primary:#00A651;
  --color-primary-bright:#00D567;
  --color-accent-red:#E30613;
  --color-accent-orange:#F7941D;
  --color-bg-deep:#0B1F17;
  --color-bg-panel:#122A20;
  --color-bg-alt:#1A3A2B;
  --color-text-light:#E8F5E9;
  --color-text-weak:#A5D6A7;
  --color-border:#2E5D4A;
  --color-jewel-teal:#0E4D4D;
  --color-jewel-wine:#5E1224;
  --color-jewel-indigo:#3D2E5C;
  --font-heading:"Source Han Sans CN","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono","SFMono-Regular",Consolas,monospace;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --header-h:72px;
  --container-w:1280px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:40px;
  --space-5:64px;
  --border-w:3px;
  --shadow-hard:8px 8px 0 rgba(0,0,0,0.35);
  --transition-fast:0.2s ease;
  --content-w:1180px;
  --grid-gap:32px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  background:var(--color-bg-deep);
  color:var(--color-text-light);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
img,picture,svg,video{display:block;max-width:100%}
a{color:var(--color-primary-bright);text-decoration:none;transition:color var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast)}
a:hover{color:var(--color-accent-orange)}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:3px solid var(--color-accent-orange);outline-offset:3px;border-radius:2px}
.skip-link{
  position:fixed;top:0;left:0;z-index:2000;
  background:var(--color-accent-orange);color:#0B1F17;
  font-weight:700;padding:12px 24px;
  transform:translateY(-120%);transition:transform 0.25s ease;
  border-radius:0 0 8px 0;
}
.skip-link:focus{transform:translateY(0)}
#main-content{scroll-margin-top:calc(var(--header-h) + 12px)}

/* ===== 头部命令栏 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(11,31,23,0.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:var(--border-w) solid var(--color-border);
  transition:box-shadow 0.25s ease,background-color 0.25s ease;
}
.site-header.is-scrolled{
  background:rgba(11,31,23,0.98);
  box-shadow:0 10px 24px rgba(0,0,0,0.45);
}
.site-header__inner{
  max-width:var(--container-w);
  margin:0 auto;
  display:flex;
  align-items:stretch;
  gap:24px;
  height:var(--header-h);
  padding:0 24px;
  position:relative;
}

/* 品牌组合 */
.brand-lockup{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
  color:var(--color-text-light);
  min-width:0;
}
.brand-lockup:hover{color:var(--color-primary-bright)}
.brand-lockup__mark{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  background:linear-gradient(135deg,var(--color-primary) 0%,#007A3C 100%);
  border:2px solid var(--color-primary-bright);
  box-shadow:0 0 18px rgba(0,166,81,0.35);
  transform:rotate(-6deg);
  transition:transform 0.25s ease,box-shadow 0.25s ease;
}
.brand-lockup:hover .brand-lockup__mark{transform:rotate(0deg);box-shadow:0 0 24px rgba(0,166,81,0.55)}
.brand-lockup__badge{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:22px;
  line-height:1;
  color:#FFFFFF;
  letter-spacing:0.02em;
}
.brand-lockup__line{
  position:absolute;
  right:-8px;
  width:4px;
  height:60%;
  background:var(--color-accent-orange);
  border-radius:2px;
}
.brand-lockup__text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-lockup__name{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:20px;
  letter-spacing:0.06em;
  color:var(--color-text-light);
  white-space:nowrap;
}
.brand-lockup__note{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--color-text-weak);
  margin-top:2px;
}
.brand-lockup--compact .brand-lockup__mark{width:36px;height:36px}
.brand-lockup--compact .brand-lockup__badge{font-size:18px}
.brand-lockup--compact .brand-lockup__name{font-size:18px}

/* 导航面板 */
.nav-panel{
  display:flex;
  align-items:stretch;
  flex:1;
  justify-content:center;
}
.nav-panel__list{
  display:flex;
  list-style:none;
  margin:0;
  padding:0;
  height:100%;
}
.nav-panel__item{
  position:relative;
  display:flex;
  align-items:stretch;
  margin:0 2px;
}
.nav-panel__link{
  display:flex;
  align-items:center;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--color-text-weak);
  letter-spacing:0.03em;
  border-bottom:3px solid transparent;
  transition:color 0.2s ease,border-color 0.2s ease,background-color 0.2s ease;
  position:relative;
  white-space:nowrap;
}
.nav-panel__link:hover{
  color:var(--color-text-light);
  background:rgba(0,166,81,0.08);
  border-bottom-color:var(--color-primary);
}
.nav-panel__link[aria-current="page"]{
  color:var(--color-primary-bright);
  border-bottom-color:var(--color-accent-orange);
  background:rgba(0,166,81,0.12);
  font-weight:700;
}
.nav-panel__link[aria-current="page"]::before{
  content:"●";
  font-size:8px;
  margin-right:6px;
  color:var(--color-accent-orange);
  vertical-align:middle;
}

/* 头部行动区 */
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 22px;
  border:var(--border-w) solid var(--color-border);
  font-family:var(--font-heading);
  font-weight:700;
  font-size:14px;
  letter-spacing:0.04em;
  color:var(--color-text-light);
  background:var(--color-bg-panel);
  box-shadow:6px 6px 0 rgba(0,0,0,0.28);
  transition:background-color 0.22s ease,box-shadow 0.22s ease,transform 0.22s ease,color 0.22s ease,border-color 0.22s ease;
  cursor:pointer;
  text-align:left;
  text-decoration:none;
}
.btn:hover{
  transform:translate(2px,2px);
  box-shadow:4px 4px 0 rgba(0,0,0,0.28);
  color:var(--color-text-light);
}
.btn:active{
  transform:translate(4px,4px);
  box-shadow:2px 2px 0 rgba(0,0,0,0.28);
}
.btn__index{
  font-family:var(--font-mono);
  font-size:12px;
  background:rgba(0,0,0,0.35);
  padding:3px 7px;
  border-radius:3px;
  color:var(--color-text-weak);
  letter-spacing:0.1em;
}
.btn--primary{
  background:var(--color-accent-orange);
  border-color:#FFB356;
  color:#0B1F17;
  font-weight:800;
  box-shadow:6px 6px 0 rgba(247,148,29,0.22);
}
.btn--primary .btn__index{
  background:rgba(11,31,23,0.2);
  color:#3D2E00;
}
.btn--primary:hover{
  background:#FFA72E;
  box-shadow:4px 4px 0 rgba(247,148,29,0.3);
  color:#0B1F17;
}
.btn--ghost{
  background:rgba(11,31,23,0.6);
  border-color:var(--color-primary);
  color:var(--color-primary-bright);
}
.btn--small{
  padding:8px 16px;
  font-size:13px;
  border-width:2px;
  box-shadow:4px 4px 0 rgba(0,0,0,0.28);
}
.btn--compact{
  padding:9px 16px;
  font-size:13px;
}

.header-cta{
  position:relative;
  overflow:hidden;
}
.header-cta::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:8px;
  height:100%;
  background:var(--color-accent-red);
  opacity:0.7;
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:52px;
  height:52px;
  padding:0;
  border:2px solid var(--color-border);
  background:var(--color-bg-panel);
  border-radius:4px;
  transition:background-color 0.2s ease,border-color 0.2s ease;
}
.nav-toggle:hover{background:var(--color-bg-alt);border-color:var(--color-primary)}
.nav-toggle__bar{
  display:block;
  width:22px;
  height:3px;
  background:var(--color-text-light);
  border-radius:2px;
  transition:transform 0.25s ease,opacity 0.25s ease,background-color 0.25s ease;
}
.nav-toggle__text{
  font-family:var(--font-mono);
  font-size:10px;
  color:var(--color-text-weak);
  letter-spacing:0.18em;
  line-height:1;
}
.site-header[data-open] .nav-toggle__bar:nth-child(1){transform:translateY(4px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
.site-header[data-open] .nav-toggle__bar:nth-child(3){display:none}

/* ===== 页脚 ===== */
.site-footer{
  background:linear-gradient(180deg,var(--color-bg-deep) 0%,#071610 100%);
  border-top:var(--border-w) solid var(--color-border);
  margin-top:var(--space-5);
}
.site-footer__inner{
  max-width:var(--container-w);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.2fr 1fr 1.2fr;
  gap:48px;
  padding:56px 24px 40px;
}
.footer-about__desc{
  margin-top:16px;
  color:var(--color-text-weak);
  font-size:14px;
  max-width:40ch;
}
.footer-about__badge{
  margin-top:20px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.data-tag{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  padding:5px 10px;
  border-radius:3px;
  border:2px solid transparent;
  background:rgba(0,166,81,0.12);
  color:var(--color-primary-bright);
}
.data-tag--green{
  background:rgba(0,166,81,0.12);
  color:var(--color-primary-bright);
  border-color:rgba(0,166,81,0.4);
}
.data-tag--red{
  background:rgba(227,6,19,0.12);
  color:#FF7C85;
  border-color:rgba(227,6,19,0.4);
}
.data-tag--orange{
  background:rgba(247,148,29,0.12);
  color:var(--color-accent-orange);
  border-color:rgba(247,148,29,0.4);
}
.footer-index__title,
.footer-contact__title{
  font-family:var(--font-heading);
  font-weight:700;
  font-size:16px;
  letter-spacing:0.14em;
  color:var(--color-text-light);
  text-transform:uppercase;
  margin-bottom:20px;
  padding-bottom:8px;
  border-bottom:3px solid var(--color-primary);
  display:inline-block;
}
.footer-index__list{
  list-style:none;
  padding:0;
  columns:2;
  column-gap:24px;
}
.footer-index__list li{
  margin-bottom:10px;
  break-inside:avoid;
}
.footer-link{
  display:inline-block;
  color:var(--color-text-weak);
  font-size:14px;
  padding:2px 0;
  position:relative;
  transition:color 0.2s ease;
}
.footer-link::before{
  content:"";
  display:inline-block;
  width:6px;
  height:6px;
  background:var(--color-primary);
  margin-right:10px;
  border-radius:2px;
  transform:rotate(45deg);
  transition:background-color 0.2s ease;
  vertical-align:middle;
}
.footer-link:hover{
  color:var(--color-primary-bright);
}
.footer-link:hover::before{
  background:var(--color-accent-orange);
}
.footer-link--inline{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.06em;
}
.footer-link--inline::before{display:none}
.footer-contact__list{
  list-style:none;
  padding:0;
}
.footer-contact__item{
  display:grid;
  grid-template-columns:60px 1fr;
  gap:12px;
  margin-bottom:14px;
  font-size:14px;
}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--color-text-weak);
  letter-spacing:0.12em;
  padding-top:4px;
}
.footer-contact__value{
  color:var(--color-text-light);
  word-break:break-all;
}
.footer-contact__value a{
  color:var(--color-primary-bright);
  border-bottom:2px solid rgba(0,166,81,0.35);
  transition:border-color 0.2s ease;
}
.footer-contact__value a:hover{
  border-color:var(--color-accent-orange);
  color:var(--color-accent-orange);
}
.site-footer__bottom{
  border-top:2px solid var(--color-border);
  background:rgba(0,0,0,0.2);
}
.site-footer__copyright{
  max-width:var(--container-w);
  margin:0 auto;
  padding:16px 24px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--color-text-weak);
}
.site-footer__divider{
  color:var(--color-primary);
  opacity:0.5;
}

/* ===== 通用内容容器与基础组件 ===== */
.content-nest{
  max-width:var(--content-w);
  margin:0 auto;
  padding:0 24px;
}
.content-nest--wide{
  max-width:var(--container-w);
}
.content-nest--index{
  max-width:var(--content-w);
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:48px;
}
.header-scroll-offset{
  scroll-margin-top:calc(var(--header-h) + 24px);
}

.section-band{
  background:var(--color-bg-deep);
  padding:var(--space-5) 0;
  border-top:2px solid transparent;
}
.section-band--alt{
  background:var(--color-bg-alt);
}
.section-band--panel{
  background:var(--color-bg-panel);
}
.section-band--deepblue{
  background:var(--color-jewel-teal);
}
.section-band--wine{
  background:var(--color-jewel-wine);
}
.section-band--indigo{
  background:var(--color-jewel-indigo);
}
.section-band__inner{
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 24px;
}
.section-label{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--color-primary-bright);
  margin-bottom:12px;
  position:relative;
  padding-left:16px;
}
.section-label::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:8px;
  height:8px;
  background:var(--color-accent-orange);
  transform:translateY(-50%) rotate(12deg);
}
.section-heading{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:34px;
  line-height:1.2;
  color:var(--color-text-light);
  letter-spacing:0.01em;
  margin-bottom:var(--space-3);
}
.section-heading--large{
  font-size:clamp(40px,6vw,64px);
}
.section-sub{
  color:var(--color-text-weak);
  font-size:16px;
  max-width:60ch;
  margin-bottom:var(--space-4);
}

/* 飞行轨迹装饰 */
.trajectory-stripe{
  background:repeating-linear-gradient(
    -12deg,
    transparent 0 10px,
    rgba(0,166,81,0.18) 10px 18px,
    transparent 18px 36px
  );
  height:32px;
  width:100%;
  border-left:3px solid var(--color-accent-orange);
}
.trajectory-stripe--hero{
  height:56px;
  background:repeating-linear-gradient(
    -12deg,
    transparent 0 16px,
    rgba(0,166,81,0.08) 16px 24px,
    rgba(247,148,29,0.05) 24px 30px,
    transparent 30px 60px
  );
}
.trajectory-stripe--thin{
  height:6px;
  background:repeating-linear-gradient(
    -12deg,
    transparent 0 8px,
    rgba(247,148,29,0.25) 8px 10px,
    transparent 10px 24px
  );
}

/* 网格基础 */
.grid-basic{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:var(--grid-gap);
}
.grid-basic--split{
  grid-template-columns:1fr 1.2fr;
}
.grid-basic--thirds{
  grid-template-columns:1fr 1fr 1fr;
}

/* 媒体框架 */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--color-bg-panel);
  border:2px solid var(--color-border);
  box-shadow:8px 8px 0 rgba(0,0,0,0.3);
  min-height:240px;
  transition:transform 0.3s ease,box-shadow 0.3s ease;
}
.media-frame::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:24px;
  height:24px;
  background:linear-gradient(225deg,var(--color-accent-orange),transparent);
  opacity:0.8;
}
.media-frame:hover{
  transform:translate(3px,3px);
  box-shadow:5px 5px 0 rgba(0,0,0,0.3);
}
.media-frame--tilt{
  transform:rotate(-2deg);
}
.media-frame--scoreboard{
  aspect-ratio:16/9;
  border-width:4px;
}
.media-frame--portrait{
  aspect-ratio:3/4;
}
.media-frame--wide{
  aspect-ratio:21/9;
}

/* 分屏基础 */
.split-screen{
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:var(--space-5);
  align-items:center;
}
.split-screen--reverse{
  grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);
}

/* 数据指标 */
.stat-block{
  background:var(--color-bg-panel);
  border-left:6px solid var(--color-primary);
  box-shadow:var(--shadow-hard);
  padding:20px 24px;
}
.stat-block__value{
  font-family:var(--font-mono);
  font-size:32px;
  font-weight:700;
  color:var(--color-primary-bright);
  line-height:1.1;
}
.stat-block__label{
  font-size:13px;
  color:var(--color-text-weak);
  letter-spacing:0.06em;
  margin-top:4px;
}

/* 表格基础 */
.table-wrap{
  overflow-x:auto;
  border:2px solid var(--color-border);
  background:var(--color-bg-panel);
  box-shadow:var(--shadow-hard);
}
.table-basic{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
}
.table-basic th{
  font-family:var(--font-heading);
  background:var(--color-bg-alt);
  color:var(--color-primary-bright);
  text-align:left;
  padding:12px 16px;
  border-bottom:3px solid var(--color-border);
  white-space:nowrap;
  letter-spacing:0.05em;
}
.table-basic td{
  padding:12px 16px;
  border-bottom:1px solid rgba(46,93,74,0.5);
  color:var(--color-text-light);
}

/* 滚动监听生效态 */
[data-section-spy].is-inview{
  outline:3px solid rgba(0,166,81,0.7);
  outline-offset:2px;
}

/* 打印友好 */
@media print{
  .site-header,.site-footer,.skip-link{display:none}
  body{background:#ffffff;color:#111}
}

/* 平板响应式 */
@media (max-width:1024px){
  .site-header__inner{
    gap:12px;
    padding:0 16px;
  }
  .brand-lockup__name{font-size:17px}
  .brand-lockup__note{font-size:10px}
  .nav-panel__link{padding:0 8px;font-size:14px}
  .header-cta .btn__label{display:none}
  .btn--compact{padding:9px 12px}
  .site-footer__inner{
    grid-template-columns:1fr 1fr;
    gap:32px;
    padding:48px 24px 32px;
  }
  .footer-about{grid-column:1 / -1}
  .split-screen,
  .split-screen--reverse{
    grid-template-columns:1fr;
    gap:32px;
  }
  .grid-basic,
  .grid-basic--thirds{
    grid-template-columns:1fr 1fr;
  }
}

/* 移动端响应式 */
@media (max-width:720px){
  :root{
    --header-h:62px;
    --space-5:40px;
  }
  .site-header__inner{
    height:var(--header-h);
    gap:6px;
    padding:0 12px;
  }
  .brand-lockup__mark{
    width:34px;
    height:34px;
  }
  .brand-lockup__badge{font-size:17px}
  .brand-lockup__name{
    font-size:15px;
    letter-spacing:0.02em;
  }
  .brand-lockup__line{display:none}
  .brand-lockup__note{
    display:none;
  }
  .brand-lockup--compact .brand-lockup__note{
    display:block;
    font-size:9px;
  }

  .nav-toggle{
    display:flex;
  }

  .nav-panel{
    position:absolute;
    top:100%;
    left:12px;
    right:12px;
    background:var(--color-bg-deep);
    border:3px solid var(--color-border);
    box-shadow:0 14px 30px rgba(0,0,0,0.5);
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    opacity:0;
    transition:max-height 0.35s ease,opacity 0.3s ease,visibility 0.3s ease;
    flex:unset;
    justify-content:flex-start;
    align-items:stretch;
    z-index:999;
  }
  .site-header[data-open] .nav-panel{
    max-height:480px;
    opacity:1;
    visibility:visible;
  }
  .nav-panel__list{
    flex-direction:column;
    width:100%;
    padding:8px 0;
  }
  .nav-panel__item{
    width:100%;
    margin:0;
  }
  .nav-panel__link{
    width:100%;
    padding:14px 20px;
    border-left:5px solid transparent;
    border-bottom:1px solid rgba(46,93,74,0.4);
    font-size:16px;
  }
  .nav-panel__link[aria-current="page"]{
    border-left-color:var(--color-accent-orange);
    border-bottom-color:transparent;
    background:linear-gradient(90deg,rgba(0,166,81,0.18),transparent 60%);
  }
  .nav-panel__link::before{
    content:attr(data-index);
    font-family:var(--font-mono);
    margin-right:10px;
    color:var(--color-primary);
    opacity:0.7;
  }
  .nav-panel__link[aria-current="page"]::before{
    color:var(--color-accent-orange);
    content:attr(data-index);
  }

  .header-actions .btn{
    display:none;
  }

  .site-footer__inner{
    grid-template-columns:1fr;
    gap:28px;
    padding:40px 20px 28px;
  }
  .footer-index__list{
    columns:2;
  }
  .site-footer__copyright{
    padding:14px 20px;
    font-size:11px;
    gap:4px 8px;
  }
  .site-footer__divider{
    display:none;
  }

  .grid-basic,
  .grid-basic--split,
  .grid-basic--thirds{
    grid-template-columns:1fr;
    gap:24px;
  }
  .section-heading{
    font-size:26px;
  }
  .section-heading--large{
    font-size:34px;
  }
  .content-nest{
    padding:0 16px;
  }
  .section-band__inner{
    padding:0 16px;
  }
  .media-frame{
    min-height:180px;
    box-shadow:5px 5px 0 rgba(0,0,0,0.3);
  }
  .trajectory-stripe--hero{
    height:36px;
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important;
    scroll-behavior:auto!important;
  }
  .brand-lockup__mark,
  .btn,
  .media-frame{
    transition:none;
  }
  .nav-panel{
    transition:max-height 0.01ms,opacity 0.01ms;
  }
}