:root{
  --xy-orange:#F28C28;
  --xy-red:#C0392B;
  --xy-red-deep:#A62F22;
  --xy-gold:#E6B422;
  --xy-sky:#7FB3D5;
  --xy-cream:#FFF7EE;
  --xy-sand:#F5E6D3;
  --xy-ink:#2B2118;
  --xy-night:#17324D;
  --xy-night-deep:#102538;
  --xy-oasis:#3E7C6A;
  --xy-apricot:#FBE3CB;
  --xy-line:#E8D5BF;
  --xy-highlight:#D6EAF5;
  --xy-white:#FFFFFF;
  --xy-ink-soft:rgba(43,33,24,.74);
  --xy-ink-mute:rgba(43,33,24,.56);
  --xy-cream-soft:rgba(255,247,238,.78);
  --xy-cream-mute:rgba(255,247,238,.62);
  --xy-font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --xy-font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --xy-font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --xy-max:1360px;
  --xy-gutter:clamp(20px,4vw,56px);
  --xy-section-space:clamp(72px,10vw,144px);
  --xy-header-h:68px;
  --xy-radius:2px;
  --xy-ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--xy-header-h) + 20px)}
body{
  margin:0;
  background:var(--xy-cream);
  color:var(--xy-ink);
  font-family:var(--xy-font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--xy-font-display);
  font-weight:900;
  line-height:1.16;
  letter-spacing:0;
  margin:0 0 16px;
  color:var(--xy-ink);
}
h1{font-size:clamp(38px,7vw,86px)}
h2{font-size:clamp(32px,5vw,56px)}
h3{font-size:clamp(22px,2.6vw,30px)}
p{margin:0 0 1.1em}
a{color:var(--xy-red)}
a:hover{color:var(--xy-red-deep)}
ul,ol{padding-left:1.3em}
img,svg,picture,video{max-width:100%;display:block}
strong,b{font-weight:700}
::selection{background:var(--xy-gold);color:var(--xy-ink)}

:focus-visible{outline:3px solid var(--xy-red);outline-offset:2px}
.xy-footer :focus-visible{outline-color:var(--xy-gold)}

.xy-shell{
  width:100%;
  max-width:var(--xy-max);
  margin-inline:auto;
  padding-inline:var(--xy-gutter);
}
.xy-visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);
  white-space:nowrap;border:0;
}
.xy-rule{height:1px;border:0;background:var(--xy-line);margin:0}

/* ---------- 通用内容组件 ---------- */
.xy-section{padding-block:var(--xy-section-space)}
.xy-band{background:var(--xy-sand)}

.xy-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 16px;
  font-family:var(--xy-font-mono);
  font-size:12px;font-weight:700;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--xy-red);
}
.xy-eyebrow::before{content:"";width:20px;height:2px;background:var(--xy-orange)}

.xy-h2{
  font-family:var(--xy-font-display);
  font-weight:900;
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.14;
  margin:0 0 18px;
}
.xy-h3{
  font-family:var(--xy-font-display);
  font-weight:900;
  font-size:clamp(20px,2.4vw,28px);
  line-height:1.3;
  margin:0 0 12px;
}
.xy-lead{
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.85;
  color:var(--xy-ink-soft);
  margin:0 0 22px;
  max-width:64ch;
}
.xy-prose{max-width:74ch}
.xy-prose p{margin:0 0 1.1em}
.xy-prose h2,.xy-prose h3{margin-top:1.6em}

.xy-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}

.xy-card{
  position:relative;
  display:flex;flex-direction:column;gap:10px;
  padding:clamp(20px,2.4vw,28px);
  background:var(--xy-white);
  border:1px solid var(--xy-line);
  border-radius:var(--xy-radius);
  transition:border-color .18s var(--xy-ease),transform .18s var(--xy-ease),box-shadow .18s var(--xy-ease);
}
.xy-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--xy-orange);
}
.xy-card:hover{
  border-color:var(--xy-orange);
  transform:translateY(-2px);
  box-shadow:0 20px 32px -28px rgba(43,33,24,.62);
}

.xy-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  background:var(--xy-gold);
  color:var(--xy-ink);
  font-family:var(--xy-font-mono);
  font-size:11px;font-weight:700;
  letter-spacing:.08em;line-height:1.6;
  border-radius:1px;
}
.xy-tag--sky{background:var(--xy-highlight)}
.xy-tag--line{background:transparent;border:1px solid var(--xy-line);color:var(--xy-ink-soft)}

.xy-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:0 22px;
  font-family:var(--xy-font-body);
  font-size:15px;font-weight:700;
  text-decoration:none;cursor:pointer;
  border:1px solid transparent;border-radius:var(--xy-radius);
  transition:background .16s var(--xy-ease),color .16s var(--xy-ease),border-color .16s var(--xy-ease),transform .16s var(--xy-ease);
}
.xy-btn--solid{background:var(--xy-red);color:var(--xy-white);border-color:var(--xy-red)}
.xy-btn--solid:hover{background:var(--xy-red-deep);border-color:var(--xy-red-deep);color:var(--xy-white);transform:translateY(-1px)}
.xy-btn--line{background:transparent;color:var(--xy-ink);border-color:var(--xy-ink)}
.xy-btn--line:hover{background:var(--xy-ink);color:var(--xy-cream)}
.xy-btn--ghost{background:var(--xy-apricot);color:var(--xy-ink);border-color:var(--xy-line)}
.xy-btn--ghost:hover{background:var(--xy-orange);border-color:var(--xy-orange);color:var(--xy-ink)}

.xy-breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-block:18px;
  font-family:var(--xy-font-mono);
  font-size:12.5px;letter-spacing:.02em;
  color:var(--xy-ink-mute);
}
.xy-breadcrumb__link{
  color:var(--xy-ink-soft);
  text-decoration:none;
  border-bottom:1px solid var(--xy-line);
}
.xy-breadcrumb__link:hover{color:var(--xy-red);border-bottom-color:var(--xy-orange)}
.xy-breadcrumb__sep{color:var(--xy-orange)}

.xy-section-nav{
  display:flex;flex-wrap:wrap;gap:4px;
  padding:6px 0;
  border-top:1px solid var(--xy-line);
  border-bottom:1px solid var(--xy-line);
}
.xy-section-nav__link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 12px;
  font-family:var(--xy-font-mono);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--xy-ink-soft);text-decoration:none;
  border-bottom:2px solid transparent;
  transition:background .16s var(--xy-ease),color .16s var(--xy-ease),border-color .16s var(--xy-ease);
}
.xy-section-nav__link:hover{background:var(--xy-apricot);color:var(--xy-ink)}
.xy-section-nav__link[aria-current]{
  background:var(--xy-apricot);
  color:var(--xy-ink);
  border-bottom-color:var(--xy-red);
}

.xy-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid var(--xy-line);
  border-radius:var(--xy-radius);
  background:linear-gradient(135deg,var(--xy-apricot) 0%,var(--xy-highlight) 100%);
}
.xy-media>img,.xy-media>picture>img{
  width:100%;height:100%;object-fit:cover;
}
.xy-media--wide{aspect-ratio:16/7}
.xy-media--square{aspect-ratio:1/1}
.xy-media--portrait{aspect-ratio:3/4}
.xy-media__caption{
  position:absolute;left:0;right:0;bottom:0;
  margin:0;padding:10px 14px;
  background:linear-gradient(0deg,rgba(23,50,77,.86),rgba(23,50,77,0));
  color:var(--xy-cream);
  font-size:12.5px;line-height:1.55;
}

[data-reveal]{transition:opacity .5s var(--xy-ease),transform .5s var(--xy-ease)}
html.xy-reveal [data-reveal]:not(.is-visible){opacity:0;transform:translateY(16px)}

/* ---------- 头部命令栏 ---------- */
.xy-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,247,238,.97);
  border-bottom:1px solid var(--xy-line);
}
.xy-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--xy-orange) 0%,var(--xy-gold) 46%,var(--xy-sky) 100%);
  pointer-events:none;
}
.xy-header__inner{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(12px,2vw,36px);
  height:var(--xy-header-h);
}

.xy-progress{
  position:absolute;left:0;right:0;bottom:0;
  height:2px;overflow:hidden;pointer-events:none;
}
.xy-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--xy-orange),var(--xy-red));
}

.xy-skip{
  position:absolute;left:16px;top:-70px;z-index:200;
  display:inline-flex;align-items:center;
  padding:12px 20px;
  background:var(--xy-night);color:var(--xy-cream);
  font-size:14px;font-weight:700;text-decoration:none;
  border-radius:var(--xy-radius);
  transition:top .18s var(--xy-ease);
}
.xy-skip:focus-visible{top:12px;color:var(--xy-cream)}

.xy-brand{
  display:inline-flex;align-items:center;gap:10px;
  min-height:48px;
  color:var(--xy-ink);text-decoration:none;
}
.xy-brand:hover{color:var(--xy-ink)}
.xy-brand__mark{
  display:grid;place-items:center;
  width:34px;height:34px;
  background:var(--xy-orange);
  color:var(--xy-ink);
  font-family:var(--xy-font-display);
  font-size:18px;font-weight:900;line-height:1;
  border-radius:1px;
  box-shadow:inset 0 0 0 1px rgba(43,33,24,.16);
}
.xy-brand__text{display:flex;flex-direction:column;gap:2px}
.xy-brand__name{
  font-family:var(--xy-font-display);
  font-size:19px;font-weight:900;line-height:1.1;
}
.xy-brand__descriptor{
  font-size:11px;line-height:1.2;
  color:var(--xy-ink-mute);
  letter-spacing:.02em;
}

.xy-nav{justify-self:center;min-width:0}
.xy-nav__list{
  display:flex;align-items:center;
  gap:clamp(0px,.6vw,8px);
  margin:0;padding:0;list-style:none;
}
.xy-nav__link{
  display:flex;flex-direction:column;gap:2px;
  padding:7px 10px;
  color:var(--xy-ink);text-decoration:none;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:background .16s var(--xy-ease),border-color .16s var(--xy-ease),color .16s var(--xy-ease);
}
.xy-nav__index{
  font-family:var(--xy-font-mono);
  font-size:10px;line-height:1;letter-spacing:.08em;
  color:var(--xy-ink-mute);
}
.xy-nav__label{font-size:14px;font-weight:700;line-height:1.15}
.xy-nav__link:hover{background:var(--xy-apricot);border-bottom-color:var(--xy-orange);color:var(--xy-ink)}
.xy-nav__link[aria-current="page"]{
  background:var(--xy-apricot);
  border-bottom-color:var(--xy-red);
  color:var(--xy-ink);
}
.xy-nav__link[aria-current="page"] .xy-nav__index{color:var(--xy-red)}
.xy-nav__cta{display:none}

.xy-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 18px;
  background:var(--xy-red);color:var(--xy-white);
  border:1px solid var(--xy-red);
  border-radius:var(--xy-radius);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  text-decoration:none;white-space:nowrap;
  transition:background .16s var(--xy-ease),border-color .16s var(--xy-ease),transform .16s var(--xy-ease);
}
.xy-cta:hover{background:var(--xy-red-deep);border-color:var(--xy-red-deep);color:var(--xy-white);transform:translateY(-1px)}

.xy-nav-toggle{
  display:none;align-items:center;gap:10px;
  min-height:44px;padding:0 14px;
  background:transparent;
  border:1px solid var(--xy-line);
  border-radius:var(--xy-radius);
  color:var(--xy-ink);
  font-family:var(--xy-font-body);
  font-size:13px;font-weight:700;
  cursor:pointer;
  transition:background .16s var(--xy-ease),border-color .16s var(--xy-ease);
}
.xy-nav-toggle:hover{background:var(--xy-apricot);border-color:var(--xy-orange)}
.xy-nav-toggle__bars{display:grid;gap:4px;width:18px}
.xy-nav-toggle__bars span{display:block;height:2px;background:var(--xy-ink);transition:transform .18s var(--xy-ease),opacity .18s var(--xy-ease)}
.xy-header[data-open] .xy-nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.xy-header[data-open] .xy-nav-toggle__bars span:nth-child(2){opacity:0}
.xy-header[data-open] .xy-nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 页脚 ---------- */
.xy-footer{
  position:relative;
  background:var(--xy-night);
  color:var(--xy-cream);
  overflow:hidden;
}
.xy-footer::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(90deg,rgba(255,247,238,.055) 1px,transparent 1px),
    linear-gradient(0deg,rgba(255,247,238,.055) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.xy-footer::after{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(circle at 12% 0%,rgba(242,140,40,.34),transparent 58%),
    radial-gradient(circle at 92% 12%,rgba(127,179,213,.26),transparent 52%);
}
.xy-footer__band{
  position:relative;z-index:1;
  height:6px;
  background:linear-gradient(90deg,var(--xy-orange) 0%,var(--xy-gold) 45%,var(--xy-sky) 100%);
}
.xy-footer__inner{
  position:relative;z-index:1;
  padding-block:clamp(40px,5vw,68px) clamp(32px,4vw,52px);
}
.xy-footer__masthead{
  display:grid;gap:12px;
  padding-bottom:clamp(24px,3vw,38px);
  margin-bottom:clamp(24px,3vw,38px);
  border-bottom:1px solid rgba(255,247,238,.16);
}
.xy-footer__eyebrow{
  margin:0;
  font-family:var(--xy-font-mono);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--xy-gold);
}
.xy-footer__slogan{
  margin:0;
  max-width:22ch;
  font-family:var(--xy-font-display);
  font-size:clamp(26px,4.2vw,46px);
  font-weight:900;line-height:1.22;
  color:var(--xy-cream);
}
.xy-footer__meta{margin:0;font-size:14px;color:var(--xy-cream-mute)}

.xy-footer__grid{
  display:grid;
  grid-template-columns:5fr 4fr 3fr;
  gap:clamp(16px,2.4vw,32px);
  align-items:start;
}

.xy-footer__contact{
  padding:clamp(22px,2.6vw,32px);
  background:var(--xy-red);
  color:var(--xy-white);
  border-radius:var(--xy-radius);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.xy-footer__contact-title{
  display:flex;align-items:center;gap:10px;
  margin:0 0 16px;
  font-family:var(--xy-font-display);
  font-size:19px;font-weight:900;line-height:1.3;
  color:var(--xy-white);
}
.xy-footer__contact-title::before{
  content:"";flex:0 0 auto;
  width:10px;height:10px;
  background:var(--xy-gold);
}
.xy-footer__phone{
  margin:0 0 14px;
  font-family:var(--xy-font-mono);
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;line-height:1.2;letter-spacing:.04em;
  color:var(--xy-white);
}
.xy-footer__row{
  display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:10px;align-items:start;
  margin:0 0 8px;
  font-size:13.5px;line-height:1.65;
  color:rgba(255,255,255,.94);
  word-break:break-word;
}
.xy-footer__label{
  padding-top:3px;
  font-family:var(--xy-font-mono);
  font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(255,255,255,.72);
  white-space:nowrap;
}
.xy-footer__note{
  margin:16px 0 0;padding-top:12px;
  border-top:1px solid rgba(255,255,255,.3);
  font-size:12.5px;line-height:1.65;
  color:rgba(255,255,255,.84);
}

.xy-footer__links{display:flex;flex-direction:column;gap:10px}
.xy-footer__col-title{
  margin:0 0 4px;
  font-family:var(--xy-font-body);
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--xy-gold);
}
.xy-footer__list{
  margin:0;padding:0;list-style:none;
  display:grid;gap:0;
}
.xy-footer__link{
  display:inline-flex;align-items:center;gap:10px;
  min-height:38px;
  color:var(--xy-cream-soft);
  font-size:15px;text-decoration:none;
  transition:color .16s var(--xy-ease);
}
.xy-footer__link::before{
  content:"›";
  font-family:var(--xy-font-mono);
  font-size:14px;line-height:1;
  color:var(--xy-orange);
  transition:color .16s var(--xy-ease),transform .16s var(--xy-ease);
}
.xy-footer__link:hover{color:var(--xy-white)}
.xy-footer__link:hover::before{color:var(--xy-gold);transform:translateX(2px)}

.xy-footer__legal{
  position:relative;z-index:1;
  background:var(--xy-night-deep);
  border-top:1px solid rgba(255,247,238,.12);
}
.xy-footer__legal-inner{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 28px;
  padding-block:18px;
  font-size:12.5px;
  color:var(--xy-cream-mute);
}
.xy-footer__legal-inner p{margin:0}
.xy-footer__legal-links{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  margin-left:auto;
}
.xy-footer__legal-link{
  display:inline-flex;align-items:center;
  min-height:32px;
  color:var(--xy-cream-soft);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.xy-footer__legal-link:hover{color:var(--xy-white);border-bottom-color:var(--xy-orange)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .xy-header__inner{grid-template-columns:minmax(0,1fr) auto;gap:12px}
  .xy-cta{display:none}
  .xy-nav-toggle{display:inline-flex;justify-self:end}
  .xy-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    justify-self:stretch;
    background:var(--xy-sand);
    border-bottom:1px solid var(--xy-line);
    box-shadow:0 26px 40px -30px rgba(43,33,24,.6);
    max-height:calc(100vh - var(--xy-header-h));
    overflow-y:auto;
  }
  .xy-header[data-open] .xy-nav{display:block}
  .xy-nav__list{
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--xy-gutter) 10px;
  }
  .xy-nav__link{
    flex-direction:row;align-items:baseline;gap:14px;
    min-height:48px;padding:13px 4px;
    border-bottom:1px solid var(--xy-line);
  }
  .xy-nav__link[aria-current="page"]{
    box-shadow:inset 3px 0 0 var(--xy-red);
    padding-left:14px;
    border-bottom-color:var(--xy-orange);
  }
  .xy-nav__index{font-size:11px;min-width:24px}
  .xy-nav__label{font-size:16px}
  .xy-nav__cta{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:48px;
    margin:16px var(--xy-gutter) 20px;
    padding:0 20px;
    background:var(--xy-red);color:var(--xy-white);
    font-size:15px;font-weight:700;text-decoration:none;
    border-radius:var(--xy-radius);
  }
  .xy-nav__cta:hover{background:var(--xy-red-deep);color:var(--xy-white)}
  .xy-footer__grid{grid-template-columns:1fr 1fr}
  .xy-footer__contact{grid-column:1 / -1;order:-1}
}

@media (max-width:700px){
  body{font-size:16px}
  .xy-brand__descriptor{display:none}
  .xy-brand__name{font-size:17px}
  .xy-footer__grid{grid-template-columns:1fr}
  .xy-footer__legal-inner{flex-direction:column;align-items:flex-start;gap:8px}
  .xy-footer__legal-links{margin-left:0}
  .xy-section-nav__link{padding:0 10px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  html.xy-reveal [data-reveal]:not(.is-visible){opacity:1;transform:none}
}