/* =========================================================
   33体育赛场 / site.css  —  共享外壳与基础组件
   夜场黑绿底 · 看台深绿面板 · 荧光黄绿路径 · 比分牌橙红与琥珀
   ========================================================= */

:root{
  --ink-void:#061A12;
  --ink-panel:#0B2E20;
  --turf:#155B3B;
  --neon:#C7FF3E;
  --neon-soft:#E6FF9E;
  --stand-grey:#6F7E76;
  --mist:#D7E3DB;
  --ice:#F5FFF8;
  --score:#FF5B3D;
  --amber:#FFB224;

  --font-sans:'HarmonyOS Sans SC','PingFang SC','Noto Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-num:'DIN Alternate','Roboto Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --radius-s:10px;
  --radius-m:16px;
  --radius-l:28px;

  --line:rgba(215,227,219,.14);
  --line-soft:rgba(215,227,219,.08);
  --line-neon:rgba(199,255,62,.34);

  --gutter:2.6rem;
  --section-space:clamp(2.8rem,6.5vw,6rem);
  --header-offset:clamp(96px,14vh,150px);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background-color:var(--ink-void);
}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;margin:0;list-style:none}
img,svg,video,picture{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--neon-soft);text-decoration:none}

/* ---------- 中文排版与基底 ---------- */
body{
  font-family:var(--font-sans);
  font-size:1rem;
  font-weight:400;
  line-height:1.75;
  color:var(--mist);
  background-color:var(--ink-void);
  background-image:
    radial-gradient(120% 85% at 88% -12%,rgba(199,255,62,.10),transparent 58%),
    radial-gradient(95% 70% at -8% 0%,rgba(21,91,59,.55),transparent 62%),
    radial-gradient(80% 60% at 50% 108%,rgba(255,91,61,.07),transparent 66%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}

h1,h2,h3,h4{
  font-family:var(--font-sans);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.012em;
  color:var(--ice);
  text-wrap:balance;
}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.14}
h3{font-size:clamp(1.12rem,2vw,1.5rem);line-height:1.28}
h4{font-size:1.02rem;line-height:1.35}
p{max-width:72ch}
strong{color:var(--ice);font-weight:700}

::selection{background:var(--neon);color:#06210f}

:focus-visible{
  outline:3px solid var(--neon);
  outline-offset:3px;
  border-radius:6px;
}

#main-content{scroll-margin-top:var(--header-offset)}

/* ---------- 布局容器 ---------- */
.shell{
  width:min(1240px,calc(100% - var(--gutter)));
  margin-inline:auto;
}
.section{padding-block:var(--section-space)}
.stack{display:grid;gap:clamp(1.2rem,3vw,2.4rem)}

/* ---------- 堆叠面板 ---------- */
.panel{
  position:relative;
  background:linear-gradient(165deg,rgba(21,91,59,.42),var(--ink-panel) 62%);
  border:1px solid var(--line);
  border-radius:var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  padding:clamp(1.3rem,4vw,3.2rem);
  overflow:hidden;
}
.panel--slab{
  background:linear-gradient(180deg,var(--ink-panel),rgba(6,26,18,.92));
  border-radius:var(--radius-m);
}
.panel--framed{
  box-shadow:
    inset 0 0 0 1px rgba(199,255,62,.12),
    inset 0 34px 70px -46px rgba(0,0,0,.95);
}
.panel--framed::before,
.panel--framed::after{
  content:"";
  position:absolute;
  width:26px;
  height:26px;
  border:2px solid var(--neon);
  opacity:.6;
  pointer-events:none;
}
.panel--framed::before{top:14px;left:14px;border-right:0;border-bottom:0}
.panel--framed::after{bottom:14px;right:14px;border-left:0;border-top:0}

/* ---------- 文字组 ---------- */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-size:.75rem;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--neon);
}
.kicker::before{
  content:"";
  width:20px;
  height:2px;
  background:linear-gradient(90deg,var(--neon),transparent);
}
.section-head{display:grid;gap:.65rem;max-width:64ch}
.section-title{font-size:clamp(1.6rem,3.4vw,2.4rem)}
.lead{
  font-size:clamp(1rem,1.5vw,1.12rem);
  line-height:1.72;
  color:var(--mist);
  max-width:62ch;
}
.prose{
  display:grid;
  gap:.9rem;
  max-width:68ch;
  font-size:1.02rem;
  line-height:1.78;
  color:var(--mist);
}
.prose ul,.prose ol{display:grid;gap:.45rem;padding-left:1.2rem}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li::marker{color:var(--neon)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  font-size:.8rem;
  letter-spacing:.04em;
  color:var(--stand-grey);
}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.breadcrumbs li{display:flex;align-items:center;gap:.5rem}
.breadcrumbs li+li::before{content:"›";color:var(--stand-grey);opacity:.7}
.breadcrumbs a{
  display:inline-flex;
  align-items:center;
  min-height:36px;
  color:var(--mist);
  border-bottom:1px solid transparent;
}
.breadcrumbs a:hover{color:var(--neon);border-bottom-color:var(--line-neon)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  min-height:48px;
  padding:.7rem 1.45rem;
  border-radius:999px;
  border:1px solid transparent;
  font-family:inherit;
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{
  background:linear-gradient(140deg,var(--neon),#a6e12b);
  color:#06210f;
  box-shadow:0 12px 28px rgba(199,255,62,.18);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(199,255,62,.26)}
.btn--ghost{
  background:rgba(11,46,32,.55);
  border-color:var(--line-neon);
  color:var(--neon-soft);
}
.btn--ghost:hover{background:rgba(199,255,62,.14);color:var(--neon);transform:translateY(-2px)}

/* ---------- 筛选 chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  min-height:44px;
  padding:.4rem 1rem;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,46,32,.7);
  color:var(--mist);
  font-size:.88rem;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{border-color:var(--line-neon);color:var(--neon)}
.chip[aria-pressed="true"],
.chip[aria-selected="true"]{
  background:var(--neon);
  border-color:var(--neon);
  color:#06210f;
}

/* ---------- 卡片 ---------- */
.card-grid{
  display:grid;
  gap:clamp(1rem,2.4vw,1.6rem);
  grid-template-columns:repeat(auto-fit,minmax(min(100%,264px),1fr));
}
.card{
  position:relative;
  display:grid;
  align-content:start;
  gap:.55rem;
  padding:clamp(1.1rem,2.6vw,1.6rem);
  background:linear-gradient(170deg,rgba(21,91,59,.34),var(--ink-panel) 70%);
  border:1px solid var(--line);
  border-radius:var(--radius-m) var(--radius-s) var(--radius-m) var(--radius-s);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-neon)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem}
.card-title{font-size:1.05rem;font-weight:700;color:var(--ice);line-height:1.35}
.card-meta{
  font-family:var(--font-num);
  font-size:.78rem;
  letter-spacing:.08em;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.card-body{font-size:.92rem;line-height:1.7;color:var(--mist)}

/* ---------- 分段切换 ---------- */
.tabs{display:grid}
.tabs-list{
  display:flex;
  gap:.35rem;
  overflow-x:auto;
  padding:.2rem .2rem 0;
  border-bottom:1px solid var(--line);
  scrollbar-width:none;
}
.tabs-list::-webkit-scrollbar{display:none}
.tab{
  position:relative;
  min-height:44px;
  padding:.55rem 1rem;
  border:0;
  background:transparent;
  color:var(--mist);
  font-size:.92rem;
  font-weight:700;
  white-space:nowrap;
  cursor:pointer;
  border-radius:10px 10px 0 0;
  transition:color .18s ease,background .18s ease;
}
.tab:hover{color:var(--neon-soft);background:rgba(199,255,62,.06)}
.tab[aria-selected="true"]{color:var(--neon);background:rgba(199,255,62,.10)}
.tab[aria-selected="true"]::after{
  content:"";
  position:absolute;
  left:.75rem;
  right:.75rem;
  bottom:-1px;
  height:3px;
  border-radius:3px;
  background:var(--neon);
}
.tab-panel{padding-top:1.2rem;animation:tabFade .24s ease-out}
.tab-panel[hidden]{display:none}
@keyframes tabFade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 比分牌数据条 ---------- */
.stat-strip{
  display:grid;
  gap:1px;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
}
.stat{
  display:grid;
  gap:.25rem;
  padding:1rem 1.15rem;
  background:rgba(11,46,32,.94);
}
.stat-num{
  font-family:var(--font-num);
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:700;
  line-height:1;
  color:var(--neon);
  font-variant-numeric:tabular-nums;
}
.stat-label{
  font-size:.75rem;
  letter-spacing:.14em;
  color:var(--stand-grey);
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;display:grid;gap:1.15rem;padding-left:1.7rem}
.timeline::before{
  content:"";
  position:absolute;
  left:5px;
  top:.5rem;
  bottom:.5rem;
  width:2px;
  background:linear-gradient(180deg,var(--neon),rgba(199,255,62,0));
}
.timeline-item{position:relative;display:grid;gap:.3rem}
.timeline-mark{
  position:absolute;
  left:-1.7rem;
  top:.5rem;
  width:12px;
  height:12px;
  background:var(--neon);
  border-radius:3px;
  transform:rotate(45deg);
  box-shadow:0 0 0 4px rgba(199,255,62,.12);
}
.timeline-body{font-size:.95rem;line-height:1.72;color:var(--mist)}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
  background:
    radial-gradient(120% 80% at 80% 0%,rgba(199,255,62,.16),transparent 62%),
    linear-gradient(155deg,rgba(21,91,59,.8),rgba(6,26,18,.95));
}
.media-frame img,
.media-frame picture,
.media-frame video{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(90% 60% at 88% 8%,rgba(199,255,62,.14),transparent 60%),
    linear-gradient(180deg,rgba(6,26,18,0) 52%,rgba(6,26,18,.62));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-caption{margin-top:.6rem;font-size:.8rem;color:var(--stand-grey)}

/* ---------- 显现 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .5s ease,transform .5s ease;
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* =========================================================
   页头
   ========================================================= */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,rgba(6,26,18,.98),rgba(6,26,18,.86));
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-neon);
}

.skip-link{
  position:absolute;
  left:1rem;
  top:.55rem;
  z-index:120;
  transform:translateY(-200%);
  padding:.7rem 1.15rem;
  border-radius:var(--radius-s);
  background:var(--neon);
  color:#06210f;
  font-weight:800;
  font-size:.9rem;
  transition:transform .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0)}

.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  z-index:3;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--neon),var(--amber) 62%,var(--score));
  pointer-events:none;
}

.header-strap{border-bottom:1px solid var(--line-soft)}
.strap-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  min-height:38px;
}
.strap-note{
  display:flex;
  align-items:center;
  font-size:.76rem;
  letter-spacing:.1em;
  color:var(--stand-grey);
  max-width:none;
}
.strap-dot{
  width:7px;
  height:7px;
  margin-right:.55rem;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 0 4px rgba(199,255,62,.16);
  animation:strapPulse 2.6s ease-in-out infinite;
}
@keyframes strapPulse{
  0%,100%{box-shadow:0 0 0 4px rgba(199,255,62,.16)}
  50%{box-shadow:0 0 0 7px rgba(199,255,62,.06)}
}
.strap-links{display:flex;align-items:center;gap:.2rem}
.strap-link{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding-inline:.7rem;
  border-radius:999px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--mist);
  transition:color .18s ease,background .18s ease;
}
.strap-link:hover{color:var(--neon);background:rgba(199,255,62,.1)}

.header-main{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1.5rem;
  padding-block:.85rem;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:.8rem;
  flex:0 0 auto;
  padding-block:.2rem;
  color:inherit;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:48px;
  height:44px;
  background:linear-gradient(150deg,var(--neon),#a2de28);
  border-radius:12px 4px 14px 4px;
  transform:skewX(-8deg);
  box-shadow:0 8px 20px rgba(199,255,62,.22);
}
.brand-mark-digit{
  display:block;
  transform:skewX(8deg);
  font-family:var(--font-num);
  font-size:1.3rem;
  font-weight:700;
  letter-spacing:.02em;
  color:#06210f;
  line-height:1;
}
.brand-text{display:grid;gap:1px}
.brand-name{
  font-size:1.14rem;
  font-weight:800;
  letter-spacing:.01em;
  color:var(--ice);
  line-height:1.2;
  transition:color .18s ease;
}
.brand-tagline{
  font-size:.7rem;
  letter-spacing:.17em;
  color:var(--stand-grey);
  line-height:1.4;
}
.brand:hover .brand-name{color:var(--neon)}

/* 导航 */
.primary-nav{margin-left:auto;min-width:0}
.nav-list{
  display:flex;
  align-items:center;
  gap:.15rem;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-list::-webkit-scrollbar{display:none}
.nav-item{display:flex;flex:0 0 auto}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:.5rem .85rem;
  border-radius:var(--radius-s);
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  color:var(--mist);
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:.85rem;
  right:.85rem;
  bottom:.32rem;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--neon);background:rgba(199,255,62,.08)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  color:var(--neon);
  background:rgba(199,255,62,.12);
}
.nav-link[aria-current="page"]::after{transform:scaleX(1);height:3px}

/* 移动端按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.6rem;
  min-height:44px;
  padding:.45rem .95rem;
  border:1px solid var(--line-neon);
  border-radius:999px;
  background:rgba(11,46,32,.9);
  color:var(--ice);
  font-size:.9rem;
  font-weight:700;
  cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.nav-toggle:hover{background:rgba(199,255,62,.14);color:var(--neon)}
.nav-toggle-label{letter-spacing:.12em}
.nav-toggle-bars{
  position:relative;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--neon);
  transition:transform .2s ease;
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}

.header-tick{
  height:5px;
  background-image:repeating-linear-gradient(90deg,var(--line-neon) 0 1px,transparent 1px 14px);
  opacity:.55;
}

@keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,7rem);
  background:linear-gradient(180deg,rgba(11,46,32,.92),var(--ink-void) 62%);
  border-top:1px solid var(--line-neon);
  overflow:hidden;
}
.footer-flood{
  position:absolute;
  inset:-20% -12% 42% -12%;
  pointer-events:none;
  background:
    radial-gradient(58% 100% at 18% 0%,rgba(199,255,62,.13),transparent 70%),
    radial-gradient(52% 100% at 82% 8%,rgba(255,91,61,.10),transparent 72%);
}
.footer-inner{
  position:relative;
  display:grid;
  gap:clamp(1.6rem,3.4vw,2.6rem);
  padding-block:clamp(2.4rem,5vw,4.4rem);
}

.footer-top{display:grid;gap:clamp(1.6rem,4vw,3rem)}

.footer-brand{position:relative;overflow:hidden;padding-right:1rem}
.footer-wordmark{
  position:absolute;
  top:-1.4rem;
  right:.2rem;
  font-family:var(--font-num);
  font-size:clamp(4rem,11vw,8rem);
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(199,255,62,.18);
  pointer-events:none;
  user-select:none;
}
.footer-brand-line{
  position:relative;
  font-size:1.06rem;
  font-weight:700;
  line-height:1.5;
  color:var(--ice);
  max-width:26ch;
}
.footer-brand-meta{
  position:relative;
  margin-top:.45rem;
  font-size:.8rem;
  letter-spacing:.1em;
  color:var(--stand-grey);
  max-width:34ch;
}
.footer-brand .btn{margin-top:1.2rem}

.footer-nav{
  display:grid;
  gap:1.4rem 1.2rem;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
}
.footer-group{min-width:0}
.footer-group-title{
  margin-bottom:.55rem;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--neon-soft);
}
.footer-list{display:grid}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  min-height:40px;
  font-size:.94rem;
  color:var(--mist);
  transition:color .18s ease;
}
.footer-link::before{
  content:"";
  width:10px;
  height:1px;
  background:var(--stand-grey);
  transition:width .2s ease,background .2s ease;
}
.footer-link:hover{color:var(--neon)}
.footer-link:hover::before{width:20px;background:var(--neon)}

.footer-contact{
  position:relative;
  overflow:hidden;
  padding:clamp(1.2rem,3vw,2rem);
  background:linear-gradient(160deg,rgba(21,91,59,.6),rgba(11,46,32,.9));
  border:1px solid var(--line);
  border-radius:var(--radius-l) var(--radius-s) var(--radius-l) var(--radius-s);
}
.footer-contact::before{
  content:"";
  position:absolute;
  left:0;
  top:1.3rem;
  bottom:1.3rem;
  width:3px;
  border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--neon),rgba(199,255,62,.08));
}
.footer-contact-title{
  font-size:.76rem;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--amber);
}
.footer-contact-list{display:grid;gap:.4rem;margin-top:.9rem}
.footer-contact-item{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.4rem .7rem;
  padding-block:.5rem;
  border-bottom:1px dashed var(--line);
}
.footer-contact-item:last-child{border-bottom:0}
.footer-contact-label{
  min-width:2.6em;
  font-size:.72rem;
  letter-spacing:.18em;
  color:var(--stand-grey);
}
.footer-value{
  font-size:.95rem;
  color:var(--ice);
  font-variant-numeric:tabular-nums;
  word-break:break-word;
}
.footer-contact-note .footer-value{
  font-size:.84rem;
  line-height:1.65;
  color:var(--mist);
}
.copy-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:.3rem .85rem;
  border:1px solid var(--line-neon);
  border-radius:999px;
  background:rgba(199,255,62,.12);
  color:var(--neon);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.04em;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover,
.copy-btn.is-done{
  background:var(--neon);
  border-color:var(--neon);
  color:#06210f;
}
.footer-contact .btn{margin-top:1.1rem}
.copy-status{
  min-height:1.3em;
  margin:0;
  font-size:.8rem;
  letter-spacing:.03em;
  color:var(--neon-soft);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.8rem 1.4rem;
  padding-top:1.1rem;
  border-top:1px solid var(--line);
  font-size:.8rem;
  color:var(--stand-grey);
}
.footer-legal-note{max-width:none;color:var(--stand-grey);font-variant-numeric:tabular-nums}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:.2rem 1rem}
.footer-legal-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-size:.8rem;
  color:var(--mist);
  transition:color .18s ease;
}
.footer-legal-link:hover{color:var(--neon)}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  min-height:44px;
  padding:.4rem 1rem;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(11,46,32,.85);
  color:var(--mist);
  font-size:.8rem;
  font-weight:700;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.to-top::before{content:"↑";color:var(--neon);font-size:.9rem;line-height:1}
.to-top:hover{color:var(--neon);border-color:var(--line-neon);background:rgba(199,255,62,.12)}

/* =========================================================
   响应式
   ========================================================= */
@media (min-width:900px){
  .footer-top{grid-template-columns:minmax(260px,1fr) minmax(0,1.3fr)}
}

@media (max-width:900px){
  :root{--gutter:1.6rem}
  .header-main{
    flex-wrap:wrap;
    row-gap:.5rem;
    column-gap:1rem;
    padding-block:.7rem;
  }
  .nav-toggle{display:inline-flex;margin-left:auto}
  .primary-nav{
    order:3;
    flex:1 0 100%;
    margin-left:0;
    display:none;
    padding-bottom:.35rem;
  }
  .site-header[data-open] .primary-nav{display:block;animation:navDrop .24s ease-out}
  .nav-list{
    flex-wrap:nowrap;
    gap:.4rem;
    padding:.3rem .1rem .55rem;
    overscroll-behavior-x:contain;
    -webkit-mask-image:linear-gradient(90deg,#000 0,#000 84%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 0,#000 84%,transparent 100%);
  }
  .nav-link{
    min-height:46px;
    padding:.55rem .95rem;
    background:rgba(11,46,32,.72);
    border:1px solid var(--line);
  }
  .nav-link::after{left:.95rem;right:.95rem}
  .footer-photo{align-items:flex-start}
}

@media (max-width:640px){
  :root{--gutter:1.3rem}
  .strap-inner{min-height:34px}
  .strap-note{font-size:.7rem;letter-spacing:.06em}
  .strap-link{min-height:32px;padding-inline:.5rem;font-size:.72rem}
  .brand-mark{width:42px;height:40px}
  .brand-mark-digit{font-size:1.15rem}
  .brand-name{font-size:1.02rem}
  .brand-tagline{font-size:.64rem;letter-spacing:.12em}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .footer-legal-links{width:100%}
}

/* =========================================================
   可访问性与打印
   ========================================================= */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
}

@media print{
  .site-header,.site-footer,.to-top,.copy-btn,.nav-toggle,.scroll-progress{display:none !important}
  body{background:#fff;color:#111}
  h1,h2,h3,h4{color:#111}
  .panel,.card{border-color:#ccc;background:#fff}
}