*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{background:var(--color-ink);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);font-size:.95rem;line-height:1.6;color:var(--color-mist);background:var(--color-ink);overflow-x:hidden}
img{max-width:100%;display:block}
ul,ol{list-style:none}
a{color:var(--color-gold);text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
a:hover{color:var(--color-paper)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;color:var(--color-paper);line-height:1.2}
::selection{background:rgba(212,175,55,.3);color:var(--color-paper)}
:focus-visible{outline:2px solid var(--color-gold);outline-offset:2px}
:root{
  --color-ink:#0B1E36;
  --color-ink-2:#0F2A43;
  --color-gold:#D4AF37;
  --color-gold-dark:#B8962E;
  --color-red:#E63946;
  --color-green:#2A9D8F;
  --color-purple:#4A4E69;
  --color-mist:#B8C7D9;
  --color-paper:#F5F7FA;
  --font-display:"Oswald","Noto Sans SC",sans-serif;
  --font-body:"Source Han Sans SC","Noto Sans SC",sans-serif;
  --header-width:280px;
  --header-height-mobile:64px;
  --radius-sm:4px;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-lg:0 20px 40px rgba(0,0,0,.3);
  --transition:.25s ease;
  --scroll-progress:0;
}
.skip-link{
  position:fixed;left:-9999px;top:0;z-index:9999;
  background:var(--color-gold);color:var(--color-ink);
  font-family:var(--font-display);font-weight:600;letter-spacing:.06em;
  padding:12px 24px;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;top:0;color:var(--color-ink)}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;
  z-index:800;pointer-events:none;background:transparent;
}
.scroll-progress::before{
  content:"";display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--color-gold-dark),var(--color-gold),var(--color-red));
  transform:scaleX(var(--scroll-progress));transform-origin:0 50%;
  transition:transform 100ms linear;
}
.container{width:min(100% - 40px,1180px);margin-inline:auto}
#main-content{display:block;outline:none;min-height:70vh}
main#main-content{padding-top:var(--header-height-mobile)}
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:100;
  background:var(--color-ink);
}
.site-header__bar{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-height-mobile);padding:0 18px;
  background:var(--color-ink);
  border-bottom:1px solid rgba(212,175,55,.18);
}
.site-header__brand{display:inline-flex;align-items:center;gap:10px;min-width:0}
.site-header__badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--color-gold),var(--color-gold-dark));
  color:var(--color-ink);border-radius:8px;
  font-weight:700;font-size:1.1rem;line-height:1;
  box-shadow:0 0 18px rgba(212,175,55,.22);
}
.site-header__title{
  font-family:var(--font-display);font-size:.88rem;line-height:1.25;
  font-weight:500;letter-spacing:.04em;color:var(--color-paper);
  white-space:normal;
}
.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  width:auto;height:44px;padding:0 12px;
  background:transparent;border:1px solid rgba(212,175,55,.3);
  border-radius:8px;cursor:pointer;color:var(--color-gold);
}
.nav-toggle:hover{border-color:var(--color-gold)}
.nav-toggle__lines{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__line{display:block;height:2px;width:100%;background:var(--color-gold);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle__text{font-family:var(--font-display);font-size:.78rem;letter-spacing:.12em}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.site-nav-shell{
  position:fixed;top:var(--header-height-mobile);right:0;bottom:0;
  width:min(340px,86vw);background:var(--color-ink-2);
  border-left:1px solid rgba(212,175,55,.22);
  padding:28px 20px 20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .35s ease;
  z-index:200;display:flex;flex-direction:column;
}
.site-nav-shell[data-open="true"]{transform:translateX(0)}
.site-nav{flex:1}
.site-nav__list{display:grid;gap:4px;position:relative}
.site-nav__list::before{
  content:"";position:absolute;left:6px;top:10px;bottom:10px;width:1px;
  background:rgba(212,175,55,.16);display:none;
}
.site-nav__link{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:8px;
  border-left:3px solid transparent;
  color:var(--color-mist);
  font-family:var(--font-display);font-size:1rem;letter-spacing:.04em;
  transition:background .25s ease,color .25s ease,border-color .25s ease,transform .2s ease;
}
.site-nav__link:hover{color:var(--color-paper);background:rgba(212,175,55,.07);border-left-color:var(--color-gold-dark)}
.site-nav__link[aria-current="page"]{
  color:var(--color-gold);border-left-color:var(--color-gold);
  background:linear-gradient(90deg,rgba(212,175,55,.12),rgba(212,175,55,0));
}
.site-nav__index{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;flex:0 0 26px;
  font-size:.75rem;font-weight:500;color:var(--color-gold);
  background:rgba(212,175,55,.1);border-radius:50%;
}
.site-nav__link[aria-current="page"] .site-nav__index{background:var(--color-gold);color:var(--color-ink)}
.site-nav__label{line-height:1}
.site-header__meta{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:18px;border-top:1px solid rgba(212,175,55,.16);
}
.site-search-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--color-mist);font-size:.82rem;letter-spacing:.08em;
}
.site-search-link:hover{color:var(--color-gold)}
.site-search-link__icon{width:18px;height:18px;fill:none}
.site-header__lang{
  display:inline-flex;align-items:center;justify-content:center;
  padding:2px 12px;border:1px solid rgba(212,175,55,.6);
  border-radius:100px;color:var(--color-gold);
  font-size:.72rem;letter-spacing:.14em;
}
.site-nav-overlay{
  position:fixed;inset:0;background:rgba(11,30,54,.55);
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
  z-index:150;
}
.site-nav-overlay.is-visible{opacity:1;visibility:visible}
.site-footer{
  background:linear-gradient(180deg,var(--color-ink-2),var(--color-ink));
  border-top:1px solid rgba(212,175,55,.25);
  padding:52px 24px 28px;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:8%;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--color-gold),var(--color-red),transparent);
}
.site-footer__inner{max-width:1120px;margin:0 auto}
.site-footer__top{border-bottom:1px solid rgba(212,175,55,.12);padding-bottom:24px}
.site-footer__name{
  font-family:var(--font-display);font-size:clamp(1.6rem,2.4vw,2.2rem);
  font-weight:600;letter-spacing:.05em;color:var(--color-paper);
}
.site-footer__tagline{margin-top:6px;color:var(--color-gold);font-size:.86rem;letter-spacing:.08em}
.site-footer__columns{display:grid;grid-template-columns:1fr;gap:28px;padding:32px 0}
.site-footer__col{position:relative}
.site-footer__heading{
  font-family:var(--font-display);font-size:.84rem;letter-spacing:.18em;
  color:var(--color-gold);margin-bottom:14px;
  padding-left:12px;border-left:2px solid var(--color-gold-dark);
}
.site-footer__list li+li{margin-top:8px}
.site-footer__list a{color:var(--color-mist)}
.site-footer__list a:hover{color:var(--color-gold)}
.site-footer__contact p{color:var(--color-mist);font-size:.9rem;line-height:1.8}
.site-footer__notice{color:var(--color-mist);opacity:.8;font-size:.88rem;margin-bottom:8px}
.site-footer__trust{color:var(--color-mist);opacity:.65;font-size:.82rem}
.site-footer__bottom{
  border-top:1px solid rgba(212,175,55,.12);padding-top:18px;
  display:flex;flex-direction:column;gap:6px;
  color:var(--color-mist);font-size:.82rem;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-sm);
  font-family:var(--font-display);font-weight:600;letter-spacing:.08em;
  background:var(--color-gold);color:var(--color-ink);
  border:1px solid transparent;cursor:pointer;
  transition:background .25s ease,transform .2s ease,box-shadow .25s ease;
}
.btn:hover{background:var(--color-gold-dark);color:var(--color-ink);transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,175,55,.22)}
.btn--ghost{background:transparent;border-color:var(--color-gold);color:var(--color-gold)}
.btn--ghost:hover{background:rgba(212,175,55,.1);border-color:var(--color-gold-dark)}
.btn--red{background:var(--color-red);color:var(--color-paper)}
.btn--red:hover{background:#d32f3c;color:var(--color-paper)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:.82rem}
.breadcrumb__item{display:inline-flex;align-items:center;gap:6px;color:var(--color-mist)}
.breadcrumb__item+.breadcrumb__item::before{content:"/";color:var(--color-gold);opacity:.5}
.breadcrumb__link{color:var(--color-mist)}
.breadcrumb__link:hover{color:var(--color-gold)}
.breadcrumb__current{color:var(--color-gold)}
.prose{max-width:68ch;color:var(--color-mist)}
.prose h1,.prose h2,.prose h3{color:var(--color-paper);margin:1.5em 0 .5em}
.prose h2{font-size:1.5rem}
.prose p{margin-bottom:1em;line-height:1.75}
.prose strong{color:var(--color-paper)}
.prose a{text-decoration:underline;text-underline-offset:4px}
.prose ul,.prose ol{margin:0 0 1em 1.4em}
.prose li{margin-bottom:.4em}
.content-section{padding:clamp(44px,7vw,84px) 0;position:relative}
.section-heading{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.section-heading__eyebrow{flex-basis:100%;font-family:var(--font-display);font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:var(--color-gold);margin-bottom:-6px}
.section-heading__index{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.4rem);font-weight:600;line-height:1;color:var(--color-gold)}
.section-heading__title{font-size:clamp(1.5rem,2.6vw,2.2rem);color:var(--color-paper);letter-spacing:.03em}
.section-heading__rule{flex:1;min-width:40px;height:1px;background:linear-gradient(90deg,var(--color-gold),transparent);opacity:.4}
.section-heading__sub{flex-basis:100%;color:var(--color-mist);font-size:.9rem;max-width:58ch}
.card-grid{display:grid;grid-template-columns:1fr;gap:18px}
.glass-card{
  background:rgba(15,42,67,.55);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(212,175,55,.14);border-radius:var(--radius-lg);
  padding:24px;transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.36);background:rgba(15,42,67,.72)}
.solid-card{background:var(--color-ink-2);border:1px solid rgba(184,199,217,.08);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-lg)}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat-item{background:rgba(11,30,54,.65);border-left:3px solid var(--color-gold);padding:14px 16px;border-radius:var(--radius-sm)}
.stat-item__value{font-family:var(--font-display);font-size:clamp(1.6rem,2.6vw,2.3rem);font-weight:600;color:var(--color-paper);line-height:1.15;font-variant-numeric:tabular-nums}
.stat-item__label{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--color-mist);margin-top:4px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:100px;background:rgba(212,175,55,.12);border:1px solid rgba(212,175,55,.3);color:var(--color-gold);font-size:.75rem;letter-spacing:.12em}
.score{font-family:var(--font-display);font-weight:600;font-size:clamp(1.9rem,3vw,2.8rem);color:var(--color-paper);font-variant-numeric:tabular-nums;line-height:1}
.score--primary{color:var(--color-gold)}
.score--danger{color:var(--color-red)}
.split-layout{display:grid;grid-template-columns:1fr;gap:32px}
.timeline{border-left:2px solid rgba(212,175,55,.25);padding-left:24px;display:grid;gap:24px}
.timeline__item{position:relative}
.timeline__item::before{content:"";position:absolute;left:-30px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--color-gold);box-shadow:0 0 0 4px rgba(212,175,55,.18)}
.steps__list{display:grid;gap:16px}
.step-card{background:var(--color-ink-2);border:1px solid rgba(212,175,55,.14);border-radius:var(--radius-md);padding:24px;position:relative;transition:border-color .25s ease,transform .25s ease}
.step-card::before{content:"";position:absolute;top:0;left:24px;width:40px;height:2px;background:var(--color-gold)}
.step-card:hover{border-color:rgba(212,175,55,.4);transform:translateY(-3px)}
.step-card__num{font-family:var(--font-display);font-size:2.4rem;font-weight:600;color:var(--color-gold);line-height:1;opacity:.9}
.tick-list{display:grid;gap:12px}
.tick-list li{position:relative;padding-left:28px;color:var(--color-mist)}
.tick-list li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:14px;border:2px solid var(--color-green);border-radius:50%}
@media(min-width:640px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .steps__list{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:768px){
  .site-footer__columns{grid-template-columns:repeat(3,1fr);gap:40px}
  .site-footer__bottom{flex-direction:row;justify-content:space-between;align-items:center}
  .stat-grid{grid-template-columns:repeat(4,1fr)}
  .steps__list{grid-template-columns:repeat(3,1fr)}
}
@media(min-width:900px){
  .split-layout{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
}
@media(min-width:1024px){
  body{padding-left:var(--header-width)}
  main#main-content{padding-top:0}
  .site-header{
    width:var(--header-width);height:100vh;left:0;top:0;
    background:linear-gradient(167deg,var(--color-ink),var(--color-ink-2));
    border-right:1px solid rgba(212,175,55,.25);
    display:flex;flex-direction:column;
    padding:32px 22px 24px;overflow:hidden;
  }
  .site-header::before{
    content:"YAXING";position:absolute;bottom:14px;left:24px;
    font-family:var(--font-display);font-size:.64rem;letter-spacing:.34em;
    color:var(--color-mist);opacity:.3;z-index:1;
  }
  .site-header::after{
    content:"";position:absolute;top:0;right:0;width:4px;height:140px;
    background:linear-gradient(180deg,var(--color-red),transparent);
  }
  .site-header__bar{
    flex-direction:column;align-items:flex-start;gap:30px;
    height:auto;padding:0;background:transparent;border-bottom:none;
  }
  .site-header__title{font-size:1rem;letter-spacing:.05em}
  .nav-toggle{display:none}
  .site-nav-shell{
    position:static;flex:1;display:flex;flex-direction:column;
    width:auto;height:auto;transform:none;background:transparent;
    border-left:none;padding:0;overflow:visible;z-index:1;transition:none;
  }
  .site-nav{flex:1}
  .site-nav__list::before{display:block}
  .site-nav__link{padding:11px 12px 11px 16px}
  .site-nav__index{width:28px;height:28px;flex-basis:28px}
  .site-nav__label{font-size:1rem}
  .site-header__meta{margin-top:auto}
  .site-nav-overlay{display:none}
  .site-footer{padding-left:calc(24px + var(--header-width))}
  .scroll-progress::before{transition-duration:60ms}
}
@media(max-width:479px){
  .site-header__title{font-size:.76rem}
  .site-header__badge{width:32px;height:32px;flex-basis:32px;font-size:1rem}
  .nav-toggle__text{display:none}
  .nav-toggle{padding:0 10px}
}
.site-nav-shell::-webkit-scrollbar{width:4px}
.site-nav-shell::-webkit-scrollbar-track{background:transparent}
.site-nav-shell::-webkit-scrollbar-thumb{background:var(--color-gold-dark);border-radius:4px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .site-nav-shell{transition:none}
  .scroll-progress::before{transition:none}
}