/* ==========================================================================
   幸运澳洲服务 · /assets/site.css
   共享层：设计变量 / 中文排版 / 头部 / 页脚 / 通用组件
   色彩节奏：深海蓝结构锚点 · 珊瑚橘提示 · 暖金关键操作 · 沙纸分区
   ========================================================================== */

/* 1. 设计变量 ------------------------------------------------------------- */
:root{
  --sea:#0B3B5A;
  --sea-deep:#082B42;
  --sea-light:#12608F;
  --ink:#14212B;
  --coral:#F26B4E;
  --gold-a:#E9B44C;
  --gold-b:#F6CF7A;
  --euca:#4F7A5A;
  --roo:#8B5E3C;
  --sand:#F4E9D8;
  --sand-deep:#E7D8C1;
  --paper:#FBF7EF;
  --rock:#6E7B82;

  --line:rgba(20,33,43,.14);
  --line-soft:rgba(20,33,43,.07);
  --line-light:rgba(251,247,239,.18);

  --radius-xs:5px;
  --radius-s:9px;
  --radius-m:14px;
  --radius-l:26px;

  --wrap:1200px;
  --gutter:clamp(18px,4vw,52px);
  --section-y:clamp(48px,7vw,96px);

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shadow-paper:0 1px 0 rgba(20,33,43,.05),0 18px 34px -26px rgba(11,59,90,.55);
  --shadow-lift:0 22px 42px -28px rgba(11,59,90,.62);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}

/* 2. Reset 与基础 --------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,svg{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
html,body{min-height:100%}

body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(90% 60% at 88% -10%,rgba(242,107,78,.09),transparent 60%),
    radial-gradient(70% 50% at 0% 0%,rgba(11,59,90,.07),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

:focus-visible{
  outline:2.5px solid var(--coral);
  outline-offset:3px;
  border-radius:3px;
}
.site-header :focus-visible,
.site-footer :focus-visible{outline-color:var(--gold-b)}

/* 3. 中文排版与基础工具 --------------------------------------------------- */
h1,h2,h3,h4{
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--sea);
}
h1{font-size:clamp(34px,5.4vw,74px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(20px,2.2vw,28px);line-height:1.24;letter-spacing:-.012em}
h4{font-size:clamp(17px,1.6vw,20px);line-height:1.35;letter-spacing:0}

.visually-hidden{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:var(--section-y)}
.section--sand{
  background:linear-gradient(180deg,var(--sand),#EFE2CE);
  border-block:1px solid rgba(139,94,60,.16);
}
.section--sea{
  background:
    radial-gradient(120% 130% at 8% 0%,rgba(242,107,78,.18),transparent 58%),
    linear-gradient(180deg,var(--sea),var(--sea-deep));
  color:rgba(251,247,239,.86);
}
.section--sea h2,.section--sea h3,.section--sea h4{color:var(--paper)}
.section--sea .lede{color:rgba(251,247,239,.78)}
.section--sea .eyebrow{color:var(--gold-b)}

.grid{display:grid;gap:var(--gutter)}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--split-rev{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--thirds{grid-template-columns:repeat(3,minmax(0,1fr))}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--roo);
}
.eyebrow::before{
  content:"";
  width:28px;height:2px;
  background:linear-gradient(90deg,var(--coral),var(--gold-a));
}

.lede{
  font-size:clamp(17px,1.5vw,20px);
  line-height:1.7;
  color:#2A3843;
  max-width:62ch;
}

.prose{max-width:66ch;font-size:17px;line-height:1.8;color:#22303A}
.prose p+p{margin-top:1em}
.prose h2{margin-top:1.7em;margin-bottom:.5em}
.prose h3{margin-top:1.35em;margin-bottom:.4em}
.prose ul,.prose ol{padding-left:1.25em;margin-top:.7em}
.prose li+li{margin-top:.4em}
.prose a{
  color:var(--sea);
  text-decoration:underline;
  text-decoration-color:rgba(242,107,78,.65);
  text-decoration-thickness:2px;
  text-underline-offset:3px;
}
.prose a:hover{color:var(--coral);text-decoration-color:var(--coral)}
.prose strong{color:var(--sea)}

.rule{
  height:1px;
  border:0;
  background:linear-gradient(90deg,var(--line),rgba(20,33,43,.02));
  margin-block:clamp(20px,3vw,36px);
}

.pull-quote{
  margin:clamp(22px,3vw,34px) 0;
  padding-left:18px;
  border-left:3px solid var(--coral);
  font-size:clamp(18px,2vw,22px);
  font-weight:700;
  line-height:1.55;
  color:var(--sea);
}

/* 4. 按钮与标签 ----------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:.78em 1.4em;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.01em;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),
             background-color var(--dur) var(--ease),background-position var(--dur) var(--ease),
             color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.btn--gold{
  background-image:linear-gradient(115deg,var(--gold-a),var(--gold-b) 58%,var(--gold-a));
  background-size:150% 100%;
  background-position:0 0;
  color:var(--ink);
  border-color:rgba(20,33,43,.2);
  box-shadow:0 14px 24px -18px rgba(233,180,76,.95);
}
.btn--gold:hover{
  background-position:100% 0;
  transform:translateY(-1px);
  box-shadow:0 18px 30px -18px rgba(233,180,76,1);
}
.btn--ghost{
  color:var(--paper);
  border-color:rgba(246,207,122,.55);
  background:rgba(251,247,239,.05);
}
.btn--ghost:hover{
  border-color:var(--gold-b);
  background:rgba(246,207,122,.15);
  color:#fff;
}
.btn--line{
  color:var(--sea);
  border-color:rgba(11,59,90,.3);
  background:transparent;
}
.btn--line:hover{border-color:var(--coral);color:var(--coral)}
.btn--sm{padding:.56em 1.05em;font-size:13.5px}
.btn--block{width:100%}

.tag{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  padding:.24em .72em;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(251,247,239,.75);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--rock);
  white-space:nowrap;
}
.tag--coral{border-color:rgba(242,107,78,.45);background:rgba(242,107,78,.13);color:#BC3F26}
.tag--euca{border-color:rgba(79,122,90,.45);background:rgba(79,122,90,.13);color:#3B6045}
.tag--gold{border-color:rgba(233,180,76,.55);background:rgba(233,180,76,.18);color:#8A6117}
.tag--sea{border-color:rgba(11,59,90,.35);background:rgba(11,59,90,.1);color:var(--sea)}

/* 5. 纸层卡片与面包屑 ----------------------------------------------------- */
.paper-card{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  box-shadow:var(--shadow-paper);
  padding:clamp(18px,2.4vw,30px);
}
.paper-card--sand{
  background:linear-gradient(170deg,var(--sand),#F7EEDF);
  border-color:rgba(139,94,60,.2);
}

.crumbs{
  padding-block:14px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--rock);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:rgba(110,123,130,.55)}
.crumbs a{text-decoration:none;border-bottom:1px solid transparent;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.crumbs a:hover{color:var(--sea);border-color:var(--coral)}
.crumbs [aria-current="page"]{color:var(--sea);font-weight:500}

/* 6. 图片容器基础规则 ----------------------------------------------------- */
.figure{
  position:relative;
  display:block;
  overflow:hidden;
  margin:0;
  border-radius:var(--radius-m);
  border:1px solid rgba(11,59,90,.16);
  background-image:
    radial-gradient(90% 80% at 78% 12%,rgba(246,207,122,.55),transparent 58%),
    linear-gradient(155deg,var(--sea-light),var(--sea) 52%,var(--coral));
  isolation:isolate;
}
.figure>img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.figure--16x9{aspect-ratio:16/9}
.figure--4x3{aspect-ratio:4/3}
.figure--3x4{aspect-ratio:3/4}
.figure--1x1{aspect-ratio:1/1}
.figure--wide{aspect-ratio:21/9}
.figure--frame{
  padding:10px;
  background:linear-gradient(170deg,var(--sand),#F7EEDF);
  border-color:rgba(139,94,60,.22);
  box-shadow:var(--shadow-paper);
}
.figure--frame>img{border-radius:calc(var(--radius-m) - 7px)}
.figure__caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--rock);
}

/* 7. 头部 ----------------------------------------------------------------- */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:200;
  padding:10px 18px;
  border-radius:8px;
  background:var(--gold-b);
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  box-shadow:0 12px 24px -16px rgba(11,59,90,.9);
  transform:translateY(-240%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,#0C4162,var(--sea) 62%,#0A3552);
  color:var(--paper);
  box-shadow:0 14px 34px -28px rgba(6,35,52,.95),inset 0 -1px 0 rgba(246,207,122,.28);
}

.header-strip{
  background:rgba(6,32,49,.62);
  border-bottom:1px solid rgba(246,207,122,.16);
}
.header-strip__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:6px 20px;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:7px var(--gutter);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  color:rgba(251,247,239,.7);
}
.header-strip__note{display:inline-flex;align-items:center;gap:9px}
.header-strip__meta{color:rgba(246,207,122,.85)}
.dot{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--coral);
  box-shadow:0 0 0 3px rgba(242,107,78,.24);
}

.header-bar__inner{
  display:flex;
  align-items:center;
  gap:clamp(14px,3vw,40px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:13px var(--gutter) 15px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  color:var(--paper);
  text-decoration:none;
}
.brand__mark{
  position:relative;
  flex:0 0 auto;
  width:42px;height:42px;
  border-radius:13px;
  overflow:hidden;
  background-image:radial-gradient(120% 120% at 28% 18%,#13668F,var(--sea-deep) 72%);
  border:1px solid rgba(246,207,122,.5);
  box-shadow:inset 0 0 0 3px rgba(242,107,78,.16),0 10px 18px -14px rgba(0,0,0,.9);
}
.brand__mark::before{
  content:"";
  position:absolute;
  top:9px;left:50%;
  width:15px;height:15px;
  margin-left:-7.5px;
  border-radius:50%;
  background-image:radial-gradient(circle at 32% 28%,var(--gold-b),var(--gold-a) 72%);
}
.brand__mark::after{
  content:"";
  position:absolute;
  left:-30%;right:-30%;bottom:10px;
  height:13px;
  border-radius:50%;
  border-top:2px solid rgba(244,233,216,.62);
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;
  font-size:clamp(17px,1.6vw,20px);
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.22;
  color:var(--paper);
}
.brand__tagline{
  display:block;
  margin-top:1px;
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.13em;
  color:rgba(246,207,122,.86);
  white-space:nowrap;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 15px;
  border-radius:999px;
  border:1px solid rgba(246,207,122,.45);
  background:rgba(251,247,239,.06);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--gold-b);background:rgba(246,207,122,.14)}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:space-between;
  width:18px;height:12px;
}
.nav-toggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--gold-b);
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(14px,2.2vw,28px);
  margin-left:auto;
}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.6vw,22px);
  list-style:none;
  margin:0;
  padding:0;
}
.site-nav__list a{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;
  font-weight:500;
  color:rgba(251,247,239,.86);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.site-nav__list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;
  background-image:linear-gradient(90deg,var(--coral),var(--gold-a));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.site-nav__list a:hover{color:#fff}
.site-nav__list a:hover::after,
.site-nav__list a:focus-visible::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{color:#fff;font-weight:700}
.site-nav__list a[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]::before{
  content:"";
  position:absolute;
  left:-10px;top:50%;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--coral);
  transform:translateY(-50%);
}
.site-nav__cta{flex:0 0 auto}

.header-progress{
  position:absolute;
  left:0;right:0;bottom:0;
  height:3px;
  background:rgba(251,247,239,.12);
  overflow:hidden;
}
.header-progress__bar{
  display:block;
  width:100%;height:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background-image:linear-gradient(90deg,var(--coral),var(--gold-a) 58%,var(--euca));
  transition:transform .12s linear;
}

/* 8. 页脚 ---------------------------------------------------------------- */
.site-footer{
  position:relative;
  margin-top:clamp(40px,6vw,80px);
  background-image:
    radial-gradient(120% 140% at 10% 0%,rgba(242,107,78,.18),transparent 56%),
    linear-gradient(180deg,#0C4162,var(--sea) 46%,var(--sea-deep));
  color:rgba(251,247,239,.8);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  background-image:linear-gradient(90deg,var(--coral) 0 34%,var(--gold-a) 34% 68%,var(--euca) 68% 100%);
}
.footer-shell{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(34px,5vw,62px) var(--gutter) clamp(24px,3vw,36px);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);
  gap:clamp(26px,4vw,64px);
  align-items:start;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-size:clamp(18px,1.9vw,23px);
  font-weight:900;
  line-height:1.3;
  letter-spacing:-.01em;
  color:var(--paper);
}
.footer-brand__mark{
  flex:0 0 auto;
  width:14px;height:14px;
  border-radius:4px;
  background-image:linear-gradient(135deg,var(--coral),var(--gold-a));
  box-shadow:0 0 0 3px rgba(242,107,78,.18);
  transform:rotate(45deg);
}
.footer-lead__note{
  margin-top:12px;
  max-width:36ch;
  font-size:14.5px;
  line-height:1.7;
  color:rgba(251,247,239,.7);
}
.footer-lead .btn{margin-top:18px}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(20px,3.4vw,44px);
}
.footer-col__title{
  margin-bottom:12px;
  padding-bottom:9px;
  border-bottom:1px solid rgba(246,207,122,.28);
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold-b);
}
.footer-col__list{list-style:none;margin:0;padding:0}
.footer-col__list li+li{margin-top:9px}
.footer-col__list a{
  display:inline-block;
  font-size:15px;
  color:rgba(251,247,239,.82);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-col__list a:hover{color:#fff;border-bottom-color:var(--coral)}

.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(212px,1fr));
  gap:14px 26px;
  margin-top:clamp(28px,4vw,46px);
  padding-top:clamp(18px,2.4vw,26px);
  border-top:1px solid rgba(246,207,122,.22);
}
.footer-contact__item{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 10px;
}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(246,207,122,.9);
}
.footer-contact__value{
  font-size:14.5px;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.copy-btn{
  padding:2px 10px;
  border-radius:999px;
  border:1px solid rgba(244,233,216,.4);
  background:transparent;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:rgba(251,247,239,.82);
  cursor:pointer;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),
             background-color var(--dur) var(--ease);
}
.copy-btn:hover{border-color:var(--gold-b);color:var(--gold-b)}
.copy-btn[data-state="copied"]{
  background:var(--euca);
  border-color:var(--euca);
  color:#fff;
}
.footer-contact__note{
  grid-column:1/-1;
  font-size:13px;
  color:rgba(251,247,239,.62);
}
.footer-contact__status{
  grid-column:1/-1;
  min-height:1.2em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--gold-b);
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  margin-top:clamp(24px,3.4vw,38px);
  padding-top:16px;
  border-top:1px solid rgba(251,247,239,.14);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(251,247,239,.6);
}

.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:70;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:1px;
  width:54px;height:54px;
  border-radius:50%;
  border:1px solid rgba(20,33,43,.2);
  background-image:linear-gradient(135deg,var(--gold-a),var(--gold-b));
  color:var(--ink);
  line-height:1.1;
  cursor:pointer;
  box-shadow:0 16px 28px -18px rgba(11,59,90,.95);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none}
.to-top:hover{transform:translateY(-2px)}
.to-top__arrow{font-size:16px;font-weight:700}
.to-top__text{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.12em;
}

/* 9. 显现协议（页面阶段给元素加 data-reveal） ------------------------------ */
html[data-reveal-ready] [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
html[data-reveal-ready] [data-reveal][data-revealed="true"]{
  opacity:1;
  transform:none;
}

/* 10. 响应式 -------------------------------------------------------------- */
@media (max-width:1040px){
  .site-nav{gap:14px}
  .site-nav__list{gap:10px}
  .site-nav__list a{font-size:14px}
  .brand__tagline{display:none}
}

@media (max-width:900px){
  .header-bar__inner{flex-wrap:wrap;padding-block:11px 13px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-nav{
    order:3;
    flex:1 0 100%;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    margin:10px 0 4px;
    padding:12px;
    border-radius:var(--radius-m);
    border:1px solid rgba(246,207,122,.26);
    background:rgba(6,32,49,.98);
    box-shadow:0 22px 40px -30px rgba(0,0,0,.9);
    max-height:min(72vh,540px);
    overflow:auto;
  }
  .site-nav[data-open="false"]{display:none}
  .site-nav[data-open="true"]{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__list a{
    display:block;
    padding:12px 12px;
    font-size:16px;
    border-radius:var(--radius-s);
  }
  .site-nav__list a::after{display:none}
  .site-nav__list a[aria-current="page"]{
    background:rgba(242,107,78,.18);
    box-shadow:inset 3px 0 0 var(--coral);
    color:#fff;
  }
  .site-nav__list a[aria-current="page"]::before{display:none}
  .site-nav__cta{width:100%;margin-top:4px}

  .grid--split,
  .grid--split-rev,
  .grid--halves,
  .grid--thirds{grid-template-columns:minmax(0,1fr)}

  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-lead__note{max-width:none}
  .to-top{width:48px;height:48px}
}

@media (max-width:560px){
  .header-strip__meta{display:none}
  .header-strip__inner{font-size:10.5px;letter-spacing:.1em}
  .brand__mark{width:38px;height:38px;border-radius:11px}
  .footer-cols{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* 11. 减少动效 ------------------------------------------------------------ */
@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[data-reveal-ready] [data-reveal]{opacity:1;transform:none}
  .site-nav__list a::after{transition:none}
}