*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,picture{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;background:none;border:none;color:inherit;cursor:pointer}
table{border-collapse:collapse;width:100%}

:root{
  --green-deep:#063B2B;
  --green-turf:#0B5D3B;
  --green-neon:#B6FF3B;
  --gold:#E8B15C;
  --mist:#F4F8F2;
  --ink:#0B1512;
  --cyan:#5CE1C2;
  --stone:#C9D6C4;
  --coral:#FF6B57;

  --font-display:"HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed","Oswald","PingFang SC",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;

  --container:1240px;
  --radius-card:28px;
  --radius-lg:22px;
  --radius-pill:999px;
  --shadow-soft:0 18px 44px -26px rgba(6,59,43,.55);
  --shadow-lift:0 26px 58px -26px rgba(6,59,43,.62);
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-break:1024px;
}

body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.72;
  color:var(--ink);
  background:var(--mist);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.015em;
  color:var(--ink);
}
h1{font-size:clamp(40px,6vw,84px)}
h2{font-size:clamp(28px,3.4vw,46px)}
h3{font-size:clamp(20px,2vw,26px)}
h4{font-size:clamp(17px,1.4vw,20px);line-height:1.3}
strong{font-weight:700}

:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{
  outline:3px solid var(--green-neon);
  outline-offset:3px;
  border-radius:10px;
}

#main-content{scroll-margin-top:150px;display:block}

/* ---------- 通用容器与节奏 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,40px);
}
.section{padding-block:clamp(36px,6vw,72px)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--green-turf);
}
.num{
  font-family:var(--font-num);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.text-muted{color:rgba(11,21,18,.6)}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;
  top:-120px;left:16px;
  z-index:300;
  padding:12px 22px;
  border-radius:var(--radius-pill);
  background:var(--green-neon);
  color:#05291e;
  font-weight:800;
  font-size:14px;
  box-shadow:0 16px 32px -18px rgba(6,59,43,.7);
  transition:top .22s var(--ease);
}
.skip-link:focus{top:14px}

/* ---------- 阅读进度 ---------- */
.scroll-meter{
  position:fixed;
  top:0;left:0;
  z-index:150;
  width:100%;height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--green-neon),var(--cyan) 55%,var(--gold));
  pointer-events:none;
}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  padding:12px clamp(12px,3vw,30px) 14px;
  background:linear-gradient(180deg,rgba(244,248,242,.97) 0%,rgba(244,248,242,.92) 68%,rgba(244,248,242,.74) 100%);
  -webkit-backdrop-filter:blur(16px) saturate(1.25);
  backdrop-filter:blur(16px) saturate(1.25);
  border-bottom:1px solid rgba(11,21,18,.06);
}
.header-utility{
  max-width:var(--container);
  margin:0 auto 9px;
  padding-inline:14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.header-utility__line{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  color:rgba(11,21,18,.52);
}
.header-utility__pulse{
  width:7px;height:7px;border-radius:50%;
  background:var(--green-neon);
  box-shadow:0 0 0 4px rgba(182,255,59,.24);
  animation:pulseDot 2.8s var(--ease) infinite;
  flex-shrink:0;
}
@keyframes pulseDot{
  0%,100%{box-shadow:0 0 0 4px rgba(182,255,59,.24)}
  50%{box-shadow:0 0 0 8px rgba(182,255,59,.06)}
}
.quick-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.quick-nav__link{
  font-size:12.5px;
  font-weight:700;
  padding:6px 13px;
  border-radius:var(--radius-pill);
  color:rgba(11,21,18,.68);
  border:1px solid rgba(11,21,18,.1);
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.quick-nav__link:hover{
  background:var(--green-deep);
  color:var(--green-neon);
  border-color:var(--green-deep);
}

.nav-island{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:9px 10px 9px 18px;
  border-radius:var(--radius-pill);
  background:linear-gradient(118deg,#072e22 0%,var(--green-deep) 52%,#0a4030 100%);
  box-shadow:var(--shadow-soft);
  isolation:isolate;
}
.nav-island::after{
  content:"";
  position:absolute;
  top:-45%;right:5%;
  width:240px;height:190%;
  transform:rotate(14deg);
  background:radial-gradient(circle,rgba(182,255,59,.16) 0%,transparent 66%);
  pointer-events:none;
  z-index:0;
}
.nav-island > *{position:relative;z-index:1}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:#fff;
}
.brand__mark{
  display:grid;
  place-items:center;
  width:36px;height:36px;
  border-radius:50%;
  flex-shrink:0;
  background:radial-gradient(circle at 32% 26%,var(--green-neon) 0%,#86c52a 56%,#4d8a0a 100%);
  box-shadow:0 0 0 3px rgba(182,255,59,.16),inset 0 1px 2px rgba(255,255,255,.55);
}
.brand__mark svg{width:18px;height:18px}
.brand__name{
  font-family:var(--font-display);
  font-weight:900;
  font-size:16.5px;
  letter-spacing:-.02em;
  line-height:1;
  white-space:nowrap;
}
.brand__accent{color:var(--green-neon)}
.brand--footer{margin-bottom:18px}
.brand--footer .brand__mark{width:40px;height:40px}
.brand--footer .brand__name{font-size:19px}

.primary-nav{
  margin-left:auto;
  min-width:0;
}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
}
.primary-nav__list a{
  display:inline-block;
  padding:9px 11px;
  border-radius:var(--radius-pill);
  font-size:13px;
  font-weight:700;
  letter-spacing:.01em;
  color:rgba(255,255,255,.74);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.primary-nav__list a:hover{color:#fff;background:rgba(255,255,255,.09)}
.primary-nav__list a[aria-current="page"]{
  color:#05291e;
  background:var(--green-neon);
  box-shadow:0 4px 16px -6px rgba(182,255,59,.75);
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:8px 16px 8px 12px;
  border-radius:var(--radius-pill);
  background:var(--green-neon);
  color:#05291e;
  font-size:13px;
  font-weight:800;
  letter-spacing:.02em;
  flex-shrink:0;
}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:space-between;
  width:16px;height:10px;
}
.nav-toggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.nav-island[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-island[data-open] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-island[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-4px) rotate(-45deg)}

@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .nav-island{padding:9px 9px 9px 16px;gap:10px}
  .primary-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    margin-left:0;
    padding:12px;
    border-radius:26px;
    background:linear-gradient(158deg,#072e22,var(--green-deep) 70%,#0a4030);
    box-shadow:0 34px 58px -30px rgba(6,59,43,.8);
    opacity:0;
    visibility:hidden;
    transform:translateY(-8px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .nav-island[data-open] .primary-nav{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
  }
  .primary-nav__list a{
    display:block;
    padding:13px 16px;
    font-size:15px;
    border-radius:16px;
  }
  .header-utility__line{display:none}
  .header-utility{justify-content:center;margin-bottom:10px;padding-inline:6px}
  .quick-nav{margin-inline:auto;justify-content:center}
}

@media (max-width:640px){
  .header-utility{display:none}
  .nav-island{border-radius:22px}
  .brand__mark{width:32px;height:32px}
  .brand__mark svg{width:16px;height:16px}
  .brand__name{font-size:15px}
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  padding:clamp(40px,6vw,76px) clamp(16px,4vw,40px) 30px;
  border-radius:clamp(28px,4vw,44px) clamp(28px,4vw,44px) 0 0;
  overflow:hidden;
  color:rgba(244,248,242,.8);
  background:
    radial-gradient(120% 140% at 10% -12%,rgba(182,255,59,.12) 0%,transparent 55%),
    radial-gradient(95% 120% at 94% 6%,rgba(92,225,194,.12) 0%,transparent 58%),
    linear-gradient(160deg,#07332a 0%,var(--green-deep) 46%,#041d16 100%);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.03) 0 1px,transparent 1px 24px);
}
.site-footer::after{
  content:"";
  position:absolute;
  left:50%;bottom:-42%;
  width:150%;height:92%;
  transform:translateX(-50%) rotate(-4deg);
  background:radial-gradient(ellipse at center,rgba(182,255,59,.10) 0%,transparent 62%);
  pointer-events:none;
}
.footer__inner{
  position:relative;
  z-index:1;
  max-width:var(--container);
  margin-inline:auto;
}
.footer__inner::before{
  content:"";
  display:block;
  width:56px;height:4px;
  margin-bottom:24px;
  border-radius:4px;
  background:linear-gradient(90deg,var(--green-neon),var(--cyan));
}
.footer__top{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,1.85fr);
  gap:clamp(28px,5vw,72px);
  padding-bottom:clamp(24px,4vw,44px);
  border-bottom:1px solid rgba(244,248,242,.12);
}
.footer__tagline{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(18px,2vw,22px);
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:8px;
}
.footer__summary{
  font-size:14.5px;
  line-height:1.75;
  color:rgba(244,248,242,.62);
  max-width:46ch;
}
.footer__nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}
.footer__title{
  font-family:var(--font-display);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--green-neon);
  margin-bottom:14px;
}
.footer__col ul{display:grid;gap:10px}
.footer__col a{
  display:inline-block;
  font-size:14px;
  color:rgba(244,248,242,.72);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer__col a:hover{color:var(--green-neon);transform:translateX(2px)}

.footer__contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:20px;
  padding-block:clamp(22px,3vw,34px);
  border-bottom:1px solid rgba(244,248,242,.12);
}
.contact-item{display:grid;gap:5px;min-width:0}
.contact-item__label{
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(244,248,242,.42);
}
.contact-item__value{
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  word-break:break-word;
  line-height:1.5;
}
.contact-note{
  grid-column:1/-1;
  font-size:12.5px;
  line-height:1.7;
  color:rgba(244,248,242,.5);
  max-width:62ch;
}

.footer__base{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 28px;
  padding-top:clamp(20px,3vw,30px);
  font-size:12.5px;
  color:rgba(244,248,242,.5);
}
.footer__copy{font-weight:600;color:rgba(244,248,242,.7)}
.footer__year{
  font-family:var(--font-num);
  font-weight:700;
  color:var(--green-neon);
  letter-spacing:.02em;
}
.footer__icp{letter-spacing:.02em}
.footer__legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-left:auto;
}
.footer__legal-links a{
  color:rgba(244,248,242,.62);
  transition:color .18s var(--ease);
}
.footer__legal-links a:hover{color:var(--green-neon)}

@media (max-width:880px){
  .footer__top{grid-template-columns:1fr;gap:32px}
}
@media (max-width:560px){
  .footer__nav{grid-template-columns:1fr 1fr;gap:24px 16px}
  .footer__legal-links{margin-left:0;width:100%}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:var(--radius-pill);
  font-family:var(--font-display);
  font-size:15px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{
  background:var(--green-neon);
  color:#05291e;
  box-shadow:0 14px 30px -16px rgba(182,255,59,.85);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 22px 38px -16px rgba(182,255,59,.9)}
.btn--solid{background:var(--green-deep);color:#fff}
.btn--solid:hover{background:var(--green-turf);transform:translateY(-2px)}
.btn--outline{
  background:transparent;
  color:var(--green-deep);
  border:1.5px solid rgba(6,59,43,.22);
}
.btn--outline:hover{border-color:var(--green-deep);background:rgba(6,59,43,.05)}
.btn--ghost{
  background:rgba(255,255,255,.1);
  color:#fff;
  border:1.5px solid rgba(255,255,255,.24);
}
.btn--ghost:hover{background:rgba(255,255,255,.18)}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;
  border-radius:var(--radius-card);
  padding:clamp(20px,3vw,32px);
  border:1px solid rgba(11,21,18,.06);
  box-shadow:0 1px 0 rgba(11,21,18,.04),0 20px 50px -34px rgba(6,59,43,.45);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{
  transform:translateY(-3px);
  border-color:rgba(182,255,59,.55);
  box-shadow:0 1px 0 rgba(11,21,18,.04),0 30px 60px -32px rgba(6,59,43,.55);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:7px;
  margin-bottom:20px;
  font-size:12.5px;
  color:rgba(11,21,18,.5);
}
.breadcrumb a{
  color:rgba(11,21,18,.72);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.breadcrumb a:hover{color:var(--green-turf)}
.breadcrumb__sep{opacity:.42;font-size:10px}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:700}
.breadcrumb--on-dark{color:rgba(244,248,242,.5)}
.breadcrumb--on-dark a{color:rgba(244,248,242,.8)}
.breadcrumb--on-dark [aria-current="page"]{color:#fff}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  width:100%;
  aspect-ratio:16/10;
  border-radius:var(--radius-card);
  overflow:hidden;
  isolation:isolate;
  background:
    radial-gradient(120% 120% at 18% 0%,rgba(182,255,59,.24),transparent 58%),
    linear-gradient(150deg,var(--green-turf),var(--green-deep));
}
.media-frame > img,
.media-frame > picture,
.media-frame > picture img,
.media-frame > svg{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--hero{aspect-ratio:5/4;border-radius:clamp(24px,3vw,40px)}
.media-frame__caption{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  padding:12px 16px;
  border-radius:16px;
  background:rgba(6,59,43,.74);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  color:#fff;
  font-size:12.5px;
  line-height:1.5;
}
@media (max-width:640px){
  .media-frame--tall{aspect-ratio:4/5}
  .media-frame--hero{aspect-ratio:4/3}
}

/* ---------- 无障碍：减少动态 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .card:hover,.btn:hover,.footer__col a:hover{transform:none}
}