:root{
  --night:#0B2A22;
  --field:#10382C;
  --mid:#1D5A45;
  --tactic:#35E08B;
  --glow:#7CF5A8;
  --amber:#FFB020;
  --amber-deep:#B36B00;
  --slate:#33475B;
  --slate-light:#A9BCCB;
  --cream:#F3EADA;
  --ink:#241C14;
  --alert:#E5484D;

  --font-display:"Oswald","Barlow Condensed","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-body:"Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;

  --line:rgba(53,224,139,.18);
  --line-soft:rgba(169,188,203,.16);
  --wrap:1200px;
  --lift:0 6px 22px rgba(0,0,0,.34);
}

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

html{
  color-scheme:dark;
  background:var(--night);
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background-color:var(--night);
  background-image:
    radial-gradient(1100px 560px at 84% -10%,rgba(53,224,139,.10),transparent 62%),
    radial-gradient(760px 420px at 2% 104%,rgba(255,176,32,.07),transparent 60%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--cream);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  margin:0 0 .5em;
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.005em;
}
h1{font-size:clamp(30px,5vw,52px)}
h2{font-size:clamp(24px,3.4vw,38px)}
h3{font-size:clamp(19px,2.2vw,25px)}
h4{font-size:17px}

p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.05em;padding-left:1.3em}
img{max-width:100%;height:auto;display:block}
strong{font-weight:700;color:#fff}
hr{border:0;border-top:1px solid var(--line);margin:clamp(24px,4vw,44px) 0}

a{
  color:var(--glow);
  text-decoration:none;
  text-underline-offset:3px;
  transition:color .16s ease;
}
a:hover{text-decoration:underline}

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

.skip-link{
  position:absolute;
  left:12px;
  top:-64px;
  z-index:90;
  background:var(--amber);
  color:#1B1206;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.04em;
  padding:10px 18px;
  text-decoration:none;
  transition:top .18s ease;
}
.skip-link:focus{top:12px;text-decoration:none;color:#1B1206}

.container{
  width:min(100% - 32px,var(--wrap));
  margin-inline:auto;
}
@media (min-width:768px){
  .container{width:min(100% - 64px,var(--wrap))}
}

/* ---------- 顶部阅读进度 ---------- */
.scroll-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  z-index:85;
  pointer-events:none;
  background:rgba(53,224,139,.10);
}
.scroll-progress__fill{
  display:block;
  height:100%;
  width:100%;
  background:linear-gradient(90deg,var(--tactic),var(--amber));
  transform:scaleX(0);
  transform-origin:0 50%;
}

/* ---------- 版头 ---------- */
.masthead{
  position:relative;
  z-index:20;
  background:linear-gradient(180deg,#0C2E25 0%,#0B2A22 100%);
  border-bottom:1px solid var(--mid);
}
.masthead::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,var(--tactic) 0 12%,rgba(53,224,139,.10) 12% 100%);
}
.masthead__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,360px);
  gap:clamp(24px,4vw,72px);
  align-items:start;
  padding-block:clamp(20px,3vw,34px);
}

.brand{
  display:grid;
  justify-items:start;
  gap:8px;
  min-width:0;
}
.brand__tag{display:flex;align-items:center;gap:14px;margin:0}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  flex:0 0 auto;
  background:var(--amber);
  color:#1B1206;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:17px;
  letter-spacing:.02em;
  border-radius:2px;
  box-shadow:0 0 0 1px rgba(255,176,32,.35),0 0 22px rgba(255,176,32,.18);
}
.brand__line{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,4.4vw,46px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--cream);
}
.brand__sub{
  margin:0;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.14em;
  color:var(--tactic);
}
.brand__meta{
  display:flex;
  flex-wrap:wrap;
  list-style:none;
  margin:6px 0 2px;
  padding:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.05em;
  color:rgba(169,188,203,.82);
}
.brand__meta-item{display:flex;align-items:center}
.brand__meta-item + .brand__meta-item::before{
  content:"";
  width:1px;height:11px;
  background:var(--mid);
  margin:0 12px;
}
.brand__cta{margin-top:10px}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  background:transparent;
  color:var(--cream);
  border:1px solid var(--mid);
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:border-color .16s ease,color .16s ease;
}
.nav-toggle:hover{border-color:var(--glow);color:var(--glow)}
.nav-toggle__bars{position:relative;width:16px;height:10px;flex:0 0 auto}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;left:0;right:0;height:1.5px;
  background:var(--tactic);
  transition:transform .18s ease;
}
.nav-toggle__bars::before{top:1px}
.nav-toggle__bars::after{bottom:1px}
.nav-toggle[aria-expanded="true"]{border-color:var(--glow);color:var(--glow)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-3.5px) rotate(-45deg)}

.nav{
  justify-self:end;
  width:100%;
  max-width:360px;
}
.nav__list{list-style:none;margin:0;padding:0;display:grid}
.nav__item{list-style:none}
.nav__link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:9px 2px;
  border-bottom:1px solid var(--line);
  color:var(--cream);
  font-family:var(--font-display);
  font-size:clamp(15px,1.5vw,18px);
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  transition:color .18s ease,transform .18s ease;
}
.nav__link::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  width:8px;height:2px;
  background:var(--tactic);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .18s ease;
}
.nav__link:hover,.nav__link:focus-visible{color:var(--glow);transform:translateX(3px);text-decoration:none}
.nav__link:hover::before,.nav__link:focus-visible::before{transform:scaleX(1)}
.nav__index{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.08em;
  color:var(--slate-light);
}
.nav__link[aria-current="page"]{color:var(--amber)}
.nav__link[aria-current="page"] .nav__index{color:var(--amber)}
.nav__link[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:var(--amber);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.08em;
  line-height:1;
  padding:12px 18px;
  border:1px solid transparent;
  background:transparent;
  color:var(--cream);
  text-decoration:none;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--amber);border-color:var(--amber);color:#1B1206}
.btn--primary:hover{background:#FFC555;color:#1B1206}
.btn--primary:active{background:var(--amber-deep);border-color:var(--amber-deep);color:var(--cream)}
.btn--ghost{border-color:var(--mid);color:var(--cream)}
.btn--ghost:hover{border-color:var(--glow);color:var(--glow)}
.btn--alert{border-color:var(--alert);color:#FFC9CA}
.btn--alert:hover{background:rgba(229,72,77,.14);color:#FFDCDD;border-color:#FF7C80}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding-block:13px;
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(20px,3vw,36px);
}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  margin:0;padding:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--slate-light);
}
.breadcrumb__item{display:flex;align-items:center}
.breadcrumb__item + .breadcrumb__item::before{
  content:"/";
  margin-right:8px;
  color:var(--mid);
}
.breadcrumb a{color:var(--slate-light)}
.breadcrumb a:hover{color:var(--glow)}
.breadcrumb [aria-current="page"]{color:var(--cream)}

/* ---------- 分区 / 正文 ---------- */
.section{padding-block:clamp(32px,5vw,68px)}
.section + .section{border-top:1px solid var(--line-soft)}
.section-head{display:grid;gap:8px;margin-bottom:clamp(20px,3vw,36px)}
.eyebrow{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--tactic);
}
.section-title{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(24px,3.4vw,38px);
  font-weight:800;
  line-height:1.12;
}
.prose{max-width:66ch}
.prose p{color:#DCE7DE}
.prose--cream{color:var(--ink)}
.prose--cream p{color:var(--ink)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.grid12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2.2vw,28px);
}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}
@media (max-width:900px){
  .grid12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 3}
  .col-12{grid-column:span 6}
}
@media (max-width:560px){
  .grid12{grid-template-columns:1fr}
  .grid12 > *{grid-column:1 / -1}
}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  background:var(--field);
  border:1px solid var(--mid);
  border-left:3px solid var(--mid);
  padding:clamp(18px,2.4vw,26px);
  transition:transform .18s ease,border-left-color .18s ease,background-color .18s ease,box-shadow .18s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-left-color:var(--glow);
  background:#123D30;
  box-shadow:var(--lift);
}
.card--link{display:block;color:inherit;text-decoration:none}
.card--link:hover{color:inherit;text-decoration:none}
.card--cream{
  background:var(--cream);
  color:var(--ink);
  border-color:#D9CBB2;
  border-left-color:var(--amber-deep);
}
.card--cream:hover{background:#FBF5E9;border-left-color:var(--amber)}
.card--cream .card__meta{color:#6B5B44}
.card--slate{
  background:var(--slate);
  border-color:#4A6076;
  border-left-color:#5E7A94;
  color:#E6EEF5;
}
.card--slate:hover{background:#3B5468;border-left-color:var(--glow)}
.card__title{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:19px;
  font-weight:700;
  line-height:1.3;
}
.card__meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--slate-light);
}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.4;
  padding:3px 9px;
  border:1px solid var(--mid);
  color:var(--slate-light);
  background:rgba(29,90,69,.35);
  white-space:nowrap;
}
.tag--amber{border-color:var(--amber);color:var(--amber);background:rgba(255,176,32,.10)}
.tag--tactic{border-color:var(--tactic);color:var(--glow);background:rgba(53,224,139,.10)}
.tag--alert{border-color:var(--alert);color:#FFB3B5;background:rgba(229,72,77,.12)}

/* ---------- 数据面板 ---------- */
.statboard{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:clamp(16px,2.4vw,32px);
  list-style:none;
  margin:0;padding:0;
}
.stat{display:grid;gap:4px}
.stat__num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(30px,4.6vw,54px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--amber);
}
.stat__label{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--slate-light);
}

/* ---------- 对比对切 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(16px,2.6vw,34px);
  align-items:stretch;
}
@media (max-width:760px){
  .split{grid-template-columns:1fr}
}

/* ---------- 伤停警报 ---------- */
.alert-bar{
  display:flex;
  align-items:center;
  gap:12px;
  background:rgba(229,72,77,.12);
  border:1px solid rgba(229,72,77,.5);
  border-left:3px solid var(--alert);
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.03em;
  color:#FFD7D8;
}
.alert-bar__dot{
  width:8px;height:8px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--alert);
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{
  0%,86%,100%{opacity:.35}
  90%,94%{opacity:1}
}

/* ---------- 旁注 ---------- */
.note{
  margin:0;
  max-width:36ch;
  border-left:2px solid var(--tactic);
  padding:4px 0 4px 14px;
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1.7;
  color:var(--slate-light);
}

/* ---------- 时间轴 ---------- */
.timeline{list-style:none;margin:0;padding:0}
.timeline__item{
  position:relative;
  padding:0 0 22px 26px;
  border-left:1px solid rgba(53,224,139,.25);
}
.timeline__item:last-child{border-left-color:transparent;padding-bottom:0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-4px;top:7px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--night);
  border:1px solid var(--tactic);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.timeline__item.is-visible::before{
  background:var(--tactic);
  box-shadow:0 0 0 3px rgba(53,224,139,.18);
}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(135deg,var(--field) 0%,var(--mid) 58%,var(--night) 100%);
  border:1px solid var(--mid);
  aspect-ratio:16 / 9;
}
.media::before{
  content:"";
  position:absolute;
  inset:0;
  background:repeating-linear-gradient(115deg,rgba(53,224,139,.07) 0 1px,transparent 1px 9px);
  pointer-events:none;
}
.media img{
  position:relative;
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(1.06) contrast(1.04);
}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media--square{aspect-ratio:1 / 1}
.media__cap{
  position:absolute;
  left:0;bottom:0;
  z-index:2;
  background:rgba(8,31,26,.86);
  color:var(--slate-light);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  padding:6px 10px;
  max-width:100%;
}

/* ---------- 显现 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .55s cubic-bezier(.2,.7,.3,1),transform .55s cubic-bezier(.2,.7,.3,1);
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(48px,8vw,110px);
  background:#081F1A;
  border-top:1px solid var(--mid);
}
.site-foot::before{
  content:"";
  display:block;
  height:3px;
  background:linear-gradient(90deg,var(--tactic) 0 18%,var(--amber) 18% 26%,rgba(53,224,139,.14) 26% 100%);
}
.foot__bar{background:var(--amber);color:#1B1206}
.foot__season{
  margin:0;
  padding:10px 0;
  font-family:var(--font-mono);
  font-size:12.5px;
  line-height:1.55;
  letter-spacing:.03em;
}
.site-foot__grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) repeat(3,minmax(0,1fr));
  gap:clamp(24px,4vw,48px);
  padding-block:clamp(36px,6vw,64px);
}
.foot__brand{min-width:0}
.foot__brand-name{
  margin:0 0 2px;
  font-family:var(--font-display);
  font-size:24px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--cream);
}
.foot__brand-sub{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--tactic);
}
.foot__brand-note{
  margin:0;
  max-width:36ch;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(169,188,203,.85);
}
.foot__col{min-width:0}
.foot__title{
  margin:0 0 14px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--tactic);
}
.foot__list{
  display:grid;
  justify-items:start;
  gap:7px;
  list-style:none;
  margin:0;
  padding:0;
}
.foot__link{
  display:inline-block;
  padding:2px 0;
  font-size:14.5px;
  color:var(--slate-light);
  text-decoration:none;
  transition:color .16s ease,transform .16s ease;
}
.foot__link:hover{color:var(--glow);transform:translateX(3px);text-decoration:none}
.site-foot__contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:8px 32px;
  padding-block:22px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.03em;
  color:var(--slate-light);
}
.site-foot__contact p{margin:0}
.site-foot__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
  padding-block:18px 28px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.03em;
  color:rgba(169,188,203,.75);
}
.site-foot__legal p{margin:0}
.foot__legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  list-style:none;
  margin:0;
  padding:0;
}
.foot__legal-links a{color:inherit}
.foot__legal-links a:hover{color:var(--glow)}

/* ---------- 平板 ---------- */
@media (max-width:900px){
  .site-foot__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot__brand{grid-column:1 / -1}
}

/* ---------- 移动 ---------- */
@media (max-width:979px){
  .masthead__grid{
    grid-template-columns:minmax(0,1fr) auto;
    gap:16px 20px;
    align-items:start;
    padding-block:18px;
  }
  .brand{gap:6px}
  .brand__mark{width:38px;height:38px;font-size:15px}
  .brand__meta{font-size:11px}
  .nav-toggle{display:inline-flex;justify-self:end;margin-top:4px}
  .nav{
    grid-column:1 / -1;
    justify-self:stretch;
    max-width:none;
    display:none;
  }
  .nav[data-open]{display:block}
  .nav__list{
    gap:2px;
    padding:6px;
    background:var(--field);
    border:1px solid var(--mid);
    border-left:3px solid var(--tactic);
  }
  .nav__link{
    padding:13px 12px;
    font-size:17px;
    border-bottom-color:rgba(53,224,139,.10);
  }
  .nav__link::before{display:none}
}

@media (max-width:560px){
  .site-foot__grid{grid-template-columns:1fr}
  .foot__season{font-size:11.5px}
  .site-foot__legal{font-size:11.5px}
  .btn{width:100%;justify-content:center}
  .brand__cta{width:auto}
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .js [data-reveal]{opacity:1;transform:none}
  .alert-bar__dot{animation:none;opacity:.9}
}