*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --color-navy:#0A1F44;
  --color-navy-2:#0B2A5B;
  --color-surface:#F0F2F5;
  --color-white:#FFFFFF;
  --color-text:#1F2937;
  --color-gray:#5B6B7C;
  --color-green:#39FF14;
  --color-orange:#FF6B00;
  --color-border:#D1D5DB;
  --color-dark:#111827;
  --font-heading:'Anton','Oswald','Noto Sans SC',sans-serif;
  --font-body:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  --font-display:'Bebas Neue','Oswald',sans-serif;
  --container-max:1280px;
  --container-pad:clamp(1rem,4vw,2.5rem);
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --speed:0.3s;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.6;
  color:var(--color-text);
  background:var(--color-surface);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img,video,picture{max-width:100%;display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);line-height:1.15;font-weight:700}
a{color:inherit}
ul{list-style:none}
.container{
  width:100%;
  max-width:var(--container-max);
  margin-inline:auto;
  padding-inline:var(--container-pad);
}
.skip-link{
  position:fixed;
  top:-60px;
  left:1rem;
  z-index:1000;
  background:var(--color-green);
  color:var(--color-navy);
  padding:0.65rem 1.2rem;
  font-family:var(--font-body);
  font-size:0.875rem;
  font-weight:700;
  text-decoration:none;
  border-radius:0 0 6px 6px;
  transition:top 0.25s ease;
}
.skip-link:focus{
  top:0;
}
:focus-visible{
  outline:3px solid var(--color-green);
  outline-offset:2px;
  border-radius:2px;
}
.site-header{
  position:relative;
  z-index:100;
  background:var(--color-navy);
  border-bottom:2px solid rgba(57,255,20,0.35);
}
.site-header__main::after{
  content:'';
  position:absolute;
  bottom:-2px;
  left:0;
  right:0;
  height:2px;
  background:repeating-linear-gradient(90deg,var(--color-green) 0 3px,transparent 3px 28px);
  opacity:0.45;
  pointer-events:none;
}
.site-header__notice{
  background:var(--color-orange);
  color:var(--color-navy);
  padding:0.4rem 0;
  font-size:0.8125rem;
}
.site-header__notice-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
}
.site-header__notice-text{
  display:inline-flex;
  align-items:center;
  gap:0.45rem;
  font-weight:600;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.site-header__notice-live{
  display:inline-block;
  width:7px;
  height:7px;
  background:var(--color-navy);
  border-radius:50%;
  flex-shrink:0;
  animation:hh-pulse 1.6s ease-in-out infinite;
}
@keyframes hh-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:0.35;transform:scale(0.8)}
}
.site-header__notice-link{
  color:var(--color-navy);
  font-weight:700;
  text-decoration:none;
  border-bottom:1px solid rgba(10,31,68,0.5);
  padding-bottom:1px;
  font-size:0.75rem;
  transition:border-color 0.3s;
  white-space:nowrap;
  flex-shrink:0;
}
.site-header__notice-link:hover{
  border-color:var(--color-navy);
}
.site-header__main{
  position:relative;
  background:var(--color-navy);
}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  min-height:84px;
  padding-top:0.6rem;
  padding-bottom:0.6rem;
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:0.65rem;
  text-decoration:none;
  flex-shrink:0;
}
.site-logo__mark{
  width:32px;
  height:32px;
  flex-shrink:0;
  background:linear-gradient(135deg,var(--color-green) 0%,var(--color-green) 55%,var(--color-orange) 55%,var(--color-orange) 100%);
  clip-path:polygon(15% 0,100% 0,85% 100%,0 100%);
  display:block;
}
.site-logo__text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.site-logo__cn{
  font-family:var(--font-heading);
  font-size:1.35rem;
  font-weight:900;
  letter-spacing:0.05em;
  color:#fff;
}
.site-logo__en{
  font-family:var(--font-display);
  font-size:0.62rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--color-green);
}
.site-nav{
  display:block;
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:0.25rem;
}
.site-nav__link{
  display:inline-flex;
  align-items:center;
  position:relative;
  padding:0.55rem 0.9rem;
  color:rgba(255,255,255,0.82);
  font-size:0.9375rem;
  font-weight:500;
  text-decoration:none;
  letter-spacing:0.02em;
  transition:color 0.3s ease;
}
.site-nav__link::after{
  content:'';
  position:absolute;
  left:0.9rem;
  right:0.9rem;
  bottom:0.2rem;
  height:2px;
  background:var(--color-green);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 0.35s cubic-bezier(0.22,1,0.36,1);
}
.site-nav__link:hover{
  color:var(--color-green);
}
.site-nav__link:hover::after{
  transform:scaleX(1);
}
.site-nav__link[aria-current="page"]{
  color:var(--color-green);
  font-weight:700;
}
.site-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
}
.site-header__actions{
  display:flex;
  align-items:center;
  gap:0.6rem;
  flex-shrink:0;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:0.5rem;
  padding:0.72rem 1.5rem;
  border:2px solid transparent;
  border-radius:2px;
  font-family:var(--font-heading);
  font-size:0.85rem;
  font-weight:700;
  letter-spacing:0.07em;
  text-transform:uppercase;
  text-decoration:none;
  cursor:pointer;
  line-height:1.1;
  transition:transform 0.3s ease,box-shadow 0.3s ease,background-color 0.3s ease,color 0.3s ease,border-color 0.3s ease;
}
.btn:hover{
  transform:translateY(-2px);
}
.btn:active{
  transform:translateY(0) scale(0.98);
}
.btn--legacy,.btn--primary{
  background:var(--color-green);
  color:var(--color-navy);
  box-shadow:0 2px 0 rgba(15,50,20,0.35);
}
.btn--legacy:hover,.btn--primary:hover{
  background:#5cff3c;
  box-shadow:0 6px 16px rgba(57,255,20,0.35);
}
.btn--accent{
  background:var(--color-orange);
  color:var(--color-navy);
  box-shadow:0 2px 0 rgba(120,50,0,0.3);
}
.btn--accent:hover{
  background:#ff8533;
  box-shadow:0 6px 16px rgba(255,107,0,0.35);
}
.btn--ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,0.45);
}
.btn--ghost:hover{
  border-color:var(--color-green);
  color:var(--color-green);
  box-shadow:none;
}
.btn--sm{
  padding:0.45rem 1rem;
  font-size:0.75rem;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
  width:46px;
  height:46px;
  padding:8px;
  background:transparent;
  border:1px solid rgba(255,255,255,0.25);
  border-radius:4px;
  cursor:pointer;
  transition:border-color 0.3s;
}
.nav-toggle:hover{
  border-color:var(--color-green);
}
.nav-toggle__bar{
  display:block;
  width:22px;
  height:2px;
  background:#fff;
  border-radius:1px;
  transition:transform 0.3s ease,opacity 0.3s ease,background 0.3s ease;
}
.site-nav__item:last-child{
  margin-right:0.25rem;
}
@media(max-width:991.98px){
  .site-nav{
    position:fixed;
    top:0;
    right:0;
    width:min(320px,85vw);
    height:100vh;
    height:100dvh;
    background:var(--color-navy);
    border-left:2px solid var(--color-green);
    padding:5.5rem 2rem 2rem;
    transform:translateX(105%);
    opacity:0;
    visibility:hidden;
    transition:transform 0.4s cubic-bezier(0.22,1,0.36,1),opacity 0.3s ease,visibility 0.3s;
    z-index:200;
    box-shadow:-12px 0 32px rgba(0,0,0,0.35);
  }
  .site-nav::before{
    content:'HAOHAN';
    display:block;
    font-family:var(--font-display);
    font-size:0.9rem;
    letter-spacing:0.35em;
    color:var(--color-green);
    border-bottom:1px solid rgba(255,255,255,0.1);
    padding-bottom:1.2rem;
    margin-bottom:2rem;
    opacity:0.7;
  }
  .site-nav[data-open]{
    transform:translateX(0);
    opacity:1;
    visibility:visible;
  }
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0.15rem;
  }
  .site-nav__link{
    display:block;
    padding:1rem 0.6rem;
    font-size:1.08rem;
    color:rgba(255,255,255,0.88);
    border-bottom:1px solid rgba(255,255,255,0.07);
    position:relative;
  }
  .site-nav__link::after{
    left:0;
    right:auto;
    bottom:0;
    width:0;
    height:2px;
    background:var(--color-green);
  }
  .site-nav__link:hover::after,
  .site-nav__link[aria-current="page"]::after{
    width:32px;
  }
  .site-nav__link[aria-current="page"]{
    color:var(--color-green);
    font-weight:700;
    padding-left:1rem;
  }
  .site-nav__item:last-child{
    margin-right:0;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){
    opacity:0;
  }
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
  .site-logo__cn{
    font-size:1.2rem;
  }
  .site-logo__en{
    font-size:0.56rem;
  }
}
@media(max-width:575.98px){
  .site-header__notice-link{
    display:none;
  }
  .site-header__inner{
    gap:0.85rem;
    min-height:70px;
  }
  .btn--legacy{
    padding:0.6rem 1.1rem;
    font-size:0.78rem;
  }
  .site-nav{
    width:min(280px,88vw);
  }
}
.site-footer{
  position:relative;
  background:var(--color-navy);
  color:rgba(255,255,255,0.8);
  margin-top:clamp(3rem,7vw,5rem);
  padding-top:1px;
  overflow:hidden;
}
.site-footer::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:5px;
  background:linear-gradient(90deg,var(--color-green) 0%,var(--color-green) 60%,var(--color-orange) 60%,var(--color-orange) 100%);
  z-index:1;
}
.site-footer::after{
  content:'HAOHAN';
  position:absolute;
  bottom:-0.12em;
  left:0;
  right:0;
  text-align:center;
  font-family:var(--font-display);
  font-size:clamp(5rem,20vw,13rem);
  font-weight:900;
  letter-spacing:0.12em;
  color:rgba(11,42,91,0.55);
  pointer-events:none;
  line-height:1;
  user-select:none;
}
.site-footer .container{
  position:relative;
  z-index:2;
}
.site-footer__grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:2.5rem;
  padding:4rem 0 3rem;
}
.site-logo--footer .site-logo__cn{
  font-size:1.5rem;
}
.site-footer__about{
  margin:1.4rem 0 1rem;
  font-size:0.875rem;
  line-height:1.7;
  color:rgba(255,255,255,0.65);
}
.site-footer__trust{
  font-size:0.8125rem;
  line-height:1.5;
  color:var(--color-green);
  border-left:3px solid var(--color-orange);
  padding-left:0.8rem;
  font-weight:500;
}
.site-footer__heading{
  font-family:var(--font-heading);
  font-size:0.8rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--color-green);
  margin-bottom:1.2rem;
  font-weight:700;
}
.site-footer__list a{
  color:rgba(255,255,255,0.72);
  text-decoration:none;
  display:inline-block;
  padding:0.32rem 0;
  font-size:0.875rem;
  transition:color 0.3s,padding-left 0.3s;
}
.site-footer__list a:hover{
  color:var(--color-green);
  padding-left:0.4rem;
}
.site-footer__contact-list li{
  display:flex;
  align-items:flex-start;
  gap:0.55rem;
  padding:0.38rem 0;
  font-size:0.875rem;
  line-height:1.5;
  color:rgba(255,255,255,0.75);
}
.site-footer__contact-label{
  flex-shrink:0;
  color:var(--color-green);
  font-size:0.8125rem;
  font-weight:700;
  min-width:3em;
  letter-spacing:0.06em;
}
.site-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:0.8rem;
  border-top:1px solid rgba(255,255,255,0.12);
  padding:1.3rem 0;
  font-size:0.8125rem;
  color:rgba(255,255,255,0.45);
}
.site-footer__copyright{
  margin:0;
}
.site-footer__icp{
  margin:0;
  color:rgba(255,255,255,0.4);
}
@media(max-width:991.98px){
  .site-footer__grid{
    grid-template-columns:1fr 1fr;
    gap:2rem;
    padding:3rem 0 2rem;
  }
  .site-footer__brand{
    grid-column:1/-1;
  }
}
@media(max-width:575.98px){
  .site-footer__grid{
    grid-template-columns:1fr;
    gap:1.8rem;
  }
  .site-footer__brand{
    grid-column:auto;
  }
  .site-footer__bottom{
    flex-direction:column;
    text-align:center;
    justify-content:center;
  }
}
.section{
  padding-block:clamp(3rem,7vw,6rem);
}
.section--dark{
  background:var(--color-navy);
  color:rgba(255,255,255,0.9);
}
.section--light{
  background:var(--color-surface);
}
.section--white{
  background:var(--color-white);
}
.eyebrow{
  font-family:var(--font-heading);
  font-size:0.78rem;
  letter-spacing:0.24em;
  text-transform:uppercase;
  color:var(--color-orange);
  font-weight:700;
  margin-bottom:0.5rem;
}
.section-title{
  font-family:var(--font-heading);
  font-size:clamp(2rem,4.5vw,3.2rem);
  line-height:1.12;
  color:var(--color-text);
  margin-bottom:1.5rem;
}
.section--dark .section-title{
  color:#fff;
}
.chapter-no{
  font-family:var(--font-display);
  font-size:clamp(3.5rem,10vw,7rem);
  line-height:1;
  font-weight:900;
  color:var(--color-green);
  opacity:0.22;
  pointer-events:none;
  user-select:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0.4rem;
  padding:1.25rem 0;
  font-size:0.8125rem;
  color:var(--color-gray);
}
.breadcrumb a{
  color:var(--color-gray);
  text-decoration:none;
  transition:color 0.2s;
}
.breadcrumb a:hover{
  color:var(--color-navy);
}
.breadcrumb__sep{
  color:var(--color-border);
  font-family:var(--font-heading);
  font-size:0.75rem;
}
.grid{
  display:grid;
  gap:1.5rem;
}
.grid--2{
  grid-template-columns:repeat(2,1fr);
}
.grid--3{
  grid-template-columns:repeat(3,1fr);
}
.grid--4{
  grid-template-columns:repeat(4,1fr);
}
@media(max-width:991.98px){
  .grid--4{
    grid-template-columns:repeat(2,1fr);
  }
  .grid--3{
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:575.98px){
  .grid--2,.grid--3,.grid--4{
    grid-template-columns:1fr;
  }
}
.image-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:linear-gradient(135deg,var(--color-navy-2) 0%,var(--color-navy) 100%);
  aspect-ratio:16/9;
  border-radius:var(--radius-md);
}
.image-frame--portrait{
  aspect-ratio:3/4;
}
.image-frame--wide{
  aspect-ratio:21/9;
}
.image-frame--square{
  aspect-ratio:1/1;
}
.image-frame img,
.image-frame video,
.image-frame picture{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.image-frame::after{
  content:'';
  position:absolute;
  right:10px;
  bottom:10px;
  width:22px;
  height:22px;
  border-right:2px solid var(--color-green);
  border-bottom:2px solid var(--color-green);
  border-radius:0 0 4px 0;
  opacity:0.85;
  pointer-events:none;
}
.image-frame__placeholder{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,0.4);
  font-family:var(--font-heading);
  font-size:0.85rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
}
.metric-frame{
  position:relative;
  background:var(--color-navy-2);
  border-radius:var(--radius-lg);
  padding:clamp(1.8rem,4vw,3rem);
  color:#fff;
}
.metric-frame::before{
  content:'';
  position:absolute;
  inset:12px;
  border:1px solid rgba(57,255,20,0.28);
  border-radius:calc(var(--radius-lg) - 8px);
  pointer-events:none;
}
.metric-frame__label{
  font-family:var(--font-heading);
  font-size:0.75rem;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--color-green);
  margin-bottom:0.5rem;
}
.metric-frame__value{
  font-family:var(--font-display);
  font-size:clamp(2.6rem,6vw,4.6rem);
  font-weight:900;
  line-height:1;
  color:var(--color-green);
}
.metric-frame__unit{
  font-size:0.6em;
  margin-left:0.2em;
  color:rgba(255,255,255,0.7);
}
.prose{
  max-width:720px;
  margin-inline:auto;
  font-size:1rem;
  line-height:1.75;
  color:var(--color-text);
}
.prose p{
  margin-bottom:1.2rem;
}
.prose h2{
  font-family:var(--font-heading);
  font-size:1.6rem;
  margin:2.2rem 0 0.8rem;
  color:var(--color-navy);
}
.prose h3{
  font-family:var(--font-heading);
  font-size:1.2rem;
  margin:1.8rem 0 0.6rem;
  color:var(--color-navy);
}
.prose ul{
  list-style:none;
  margin-bottom:1.2rem;
}
.prose ul li{
  position:relative;
  padding-left:1.1rem;
  margin-bottom:0.4rem;
}
.prose ul li::before{
  content:'';
  position:absolute;
  left:0;
  top:0.72em;
  width:6px;
  height:6px;
  background:var(--color-green);
  transform:rotate(45deg);
}
[data-reveal]{
  opacity:0;
  transform:translateY(28px);
  transition:opacity 0.8s ease,transform 0.8s ease;
  will-change:opacity,transform;
}
[data-reveal].is-revealed{
  opacity:1;
  transform:translateY(0);
}
@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;
  }
  [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
  .site-header__notice-live{
    animation:none;
  }
}