/* ===========================================================
   金宝搏官网 · 共享样式 /assets/site.css
   极简文字建筑 · 悬浮胶囊 · 自然矿物色
   =========================================================== */

:root{
  --gold:#C89B3C;
  --amber:#E0A94A;
  --glint:#F0DFAE;
  --ink:#10233A;
  --night:#0A1725;
  --cream:#F6F1E7;
  --paper:#FFFDF8;
  --char:#2A2E33;
  --stone:#B9B3A6;
  --moss:#5F7355;
  --clay:#A65E44;

  --font-head:'Noto Serif SC','Source Han Serif SC','Songti SC',serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;

  --shell:1180px;
  --measure:640px;
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;

  --shadow-hard:6px 6px 0 rgba(16,35,58,.10);
  --shadow-hard-lg:9px 9px 0 rgba(16,35,58,.16);
  --shadow-lift:0 28px 60px -40px rgba(10,23,37,.75);

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background-color:var(--cream);
  background-image:
    radial-gradient(90% 60% at 100% 0%,rgba(200,155,60,.10),transparent 62%),
    radial-gradient(70% 50% at 0% 100%,rgba(95,115,85,.07),transparent 60%);
  background-attachment:fixed;
  color:var(--char);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block}
ul,ol{margin:0}
a{color:inherit}
button{font:inherit;color:inherit}
p{margin:0}
#main-content{outline:none}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4,h5{
  margin:0;
  font-family:var(--font-head);
  font-weight:700;
  color:var(--ink);
  line-height:1.16;
  letter-spacing:.012em;
}
h1{font-size:clamp(34px,6.2vw,76px);line-height:1.12}
h2{font-size:clamp(26px,3.8vw,52px)}
h3{font-size:clamp(20px,2.2vw,34px)}
h4{font-size:clamp(17px,1.5vw,24px);line-height:1.3}
h1+h2,h1+h3,h2+h3{margin-top:.4em}
strong,b{font-weight:600;color:var(--ink)}

.prose{max-width:var(--measure);font-size:17px;line-height:1.9}
.prose p{margin:0 0 1.3em}
.prose p:last-child{margin-bottom:0}
.prose h2{margin:1.6em 0 .5em}
.prose h3{margin:1.4em 0 .4em}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.2em}
.prose li{margin:.35em 0}
.lede{font-size:clamp(18px,1.8vw,24px);line-height:1.7;color:var(--ink);max-width:46ch}
.muted{color:#6C7178}
.small{font-size:14px;line-height:1.85}

/* ---------- 无障碍 ---------- */
.skip-link{
  position:fixed;
  top:-70px;
  left:16px;
  z-index:220;
  padding:11px 20px;
  border-radius:0 0 14px 14px;
  background:var(--ink);
  color:var(--glint);
  font-size:14px;
  text-decoration:none;
  letter-spacing:.06em;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0}

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

/* ---------- 布局骨架 ---------- */
.shell{width:min(var(--shell),100% - 40px);margin-inline:auto}
.section{padding:clamp(52px,7.5vw,110px) 0}
.section--tight{padding:clamp(34px,4.5vw,64px) 0}
.section--wash{
  background:linear-gradient(180deg,rgba(16,35,58,.035),rgba(16,35,58,0));
  border-top:1px solid rgba(16,35,58,.08);
  border-bottom:1px solid rgba(16,35,58,.08);
}
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:1.25fr .85fr}
.grid--split-rev{grid-template-columns:.85fr 1.25fr}
.section-head{
  display:flex;
  flex-direction:column;
  gap:12px;
  max-width:860px;
  margin-bottom:clamp(28px,4vw,54px);
}
.section-head--row{
  flex-direction:row;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  max-width:none;
}

/* ---------- 视觉语言 ---------- */
.eyebrow{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3em;
  color:var(--gold);
  text-transform:uppercase;
}
.num{
  display:block;
  font-family:var(--font-body);
  font-weight:900;
  font-size:clamp(26px,3vw,44px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.num--lg{font-size:clamp(46px,8vw,104px)}
.num--ghost{color:rgba(185,179,166,.75)}
.rule{height:2px;background:var(--stone);border:0;margin:0}
.rule--gold{background:linear-gradient(90deg,var(--gold),rgba(200,155,60,0))}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:13px 26px;
  border:2px solid var(--ink);
  border-radius:var(--pill);
  background:transparent;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.03em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),
             background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hard)}
.btn:active{transform:translateY(0)}
.btn-gold{
  background:linear-gradient(135deg,var(--amber) 0%,var(--gold) 55%,#A87F2C 100%);
  color:var(--night);
  box-shadow:4px 4px 0 rgba(16,35,58,.16);
}
.btn-gold:hover{box-shadow:7px 7px 0 rgba(16,35,58,.22)}
.btn-ink{background:var(--ink);color:var(--glint);border-color:var(--ink)}
.btn-ink:hover{box-shadow:6px 6px 0 rgba(200,155,60,.4)}
.btn-ghost{border-color:var(--stone);color:var(--ink)}
.btn-ghost:hover{border-color:var(--gold)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ---------- 卡片 / 标签 / 分区 ---------- */
.card{
  position:relative;
  padding:clamp(20px,2.6vw,34px);
  background:var(--paper);
  border:2px solid var(--ink);
  border-radius:var(--radius);
  box-shadow:var(--shadow-hard);
}
.card--flat{box-shadow:none}
.card--tilt{transform:translateY(-14px)}
.card--gold{
  background:linear-gradient(150deg,rgba(240,223,174,.55),rgba(255,253,248,.9) 60%);
}
.band--ink{
  position:relative;
  background:linear-gradient(160deg,var(--ink) 0%,var(--night) 72%);
  color:#E4DECD;
  padding:clamp(44px,6vw,92px) 0;
  overflow:hidden;
}
.band--ink::after{
  content:"";
  position:absolute;
  inset:auto -10% -40% 55%;
  height:70%;
  background:radial-gradient(closest-side,rgba(200,155,60,.28),transparent 70%);
  pointer-events:none;
}
.band--ink h2,.band--ink h3,.band--ink h4{color:var(--glint)}
.band--ink .eyebrow{color:var(--amber)}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border:1px solid currentColor;
  border-radius:var(--pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  line-height:1.6;
}
.tag--gold{color:var(--gold)}
.tag--moss{color:var(--moss)}
.tag--clay{color:var(--clay)}
.tag--stone{color:#7C7A72}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;letter-spacing:.06em;color:var(--stone)}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--stone)}
.breadcrumb a{
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.breadcrumb a:hover{color:var(--ink);border-bottom-color:var(--gold)}

/* ---------- 图片容器基础规则 ---------- */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  border:2px solid var(--ink);
  border-radius:var(--radius);
  background-color:#EFE8DA;
  background-image:linear-gradient(140deg,rgba(200,155,60,.30),rgba(16,35,58,.14) 54%,rgba(240,223,174,.55));
  box-shadow:var(--shadow-hard);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--plain{box-shadow:none;border-color:var(--stone)}
.media__cap{
  position:absolute;
  inset:auto 0 0 0;
  padding:10px 14px;
  font-size:12px;
  letter-spacing:.08em;
  line-height:1.7;
  color:var(--glint);
  background:linear-gradient(180deg,rgba(10,23,37,0),rgba(10,23,37,.84));
}

/* ===========================================================
   头部 · 悬浮胶囊
   =========================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  padding:14px 0;
  background:rgba(246,241,231,.92);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid rgba(16,35,58,.07);
  transition:padding .3s var(--ease),background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header[data-condensed="true"]{
  padding:8px 0;
  background:rgba(246,241,231,.97);
  box-shadow:0 20px 40px -38px rgba(10,23,37,.9);
}
.header-inner{
  width:min(var(--shell),100% - 40px);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:48px;
}

/* 品牌署名 */
.brand{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:11px;
  text-decoration:none;
  color:var(--ink);
}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  flex:0 0 auto;
  border-radius:11px;
  background:linear-gradient(150deg,var(--amber),var(--gold) 48%,var(--night));
  color:#FFF6E0;
  font-family:var(--font-head);
  font-size:19px;
  font-weight:700;
  line-height:1;
  box-shadow:3px 3px 0 rgba(16,35,58,.18);
  transition:transform .3s var(--ease);
}
.site-header[data-condensed="true"] .brand-mark{transform:scale(.92)}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.brand-name{
  font-family:var(--font-head);
  font-size:22px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1.1;
  transition:font-size .3s var(--ease);
}
.brand-sub{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--stone);
  line-height:1;
  opacity:1;
  transition:opacity .3s var(--ease);
}
.site-header[data-condensed="true"] .brand-name{font-size:18px}
.site-header[data-condensed="true"] .brand-sub{opacity:0}

/* 胶囊导航浮岛 */
.nav-island{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
  min-width:0;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:5px;
  list-style:none;
  border:2px solid rgba(16,35,58,.12);
  border-radius:var(--pill);
  background:rgba(255,253,248,.72);
  transition:padding .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease);
}
.nav-link{
  position:relative;
  display:block;
  padding:9px 15px;
  border-radius:var(--pill);
  font-size:15px;
  line-height:1.35;
  white-space:nowrap;
  color:var(--ink);
  text-decoration:none;
  transition:background-color .22s var(--ease),color .22s var(--ease),
             padding .3s var(--ease),font-size .3s var(--ease);
}
.nav-link:hover{background-color:rgba(200,155,60,.20)}
.nav-link[aria-current="page"]{
  background-color:var(--ink);
  color:var(--glint);
  box-shadow:inset 0 0 0 1px rgba(240,223,174,.4);
}
.nav-link[aria-current="page"]:hover{background-color:var(--ink)}

/* 头部主按钮 */
.header-cta{flex:0 0 auto}

/* 移动端开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 16px;
  border:2px solid var(--ink);
  border-radius:var(--pill);
  background:var(--paper);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  letter-spacing:.06em;
  cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle[aria-expanded="true"]{background:var(--ink);color:var(--glint);border-color:var(--ink)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:12px}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .28s var(--ease),top .28s var(--ease);
}
.nav-toggle-bars::before{top:2px}
.nav-toggle-bars::after{top:8px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:5px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:5px;transform:rotate(-45deg)}

/* ===========================================================
   页脚 · 夜墨藏馆
   =========================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(64px,9vw,120px);
  overflow:hidden;
  color:#DBD4C4;
  background:
    radial-gradient(120% 90% at 10% 0%,rgba(200,155,60,.24),transparent 62%),
    radial-gradient(80% 70% at 100% 100%,rgba(95,115,85,.18),transparent 65%),
    linear-gradient(165deg,var(--ink) 0%,var(--night) 70%);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--gold),var(--glint) 42%,rgba(200,155,60,0));
}
.footer-inner{
  width:min(var(--shell),100% - 40px);
  margin-inline:auto;
  padding:clamp(48px,7vw,88px) 0 clamp(36px,5vw,64px);
  display:grid;
  grid-template-columns:minmax(190px,.85fr) minmax(280px,1.3fr) minmax(190px,.85fr);
  gap:clamp(28px,4vw,64px);
  align-items:start;
}
.footer-col{min-width:0}
.footer-kicker{
  margin:0 0 18px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.3em;
  color:var(--gold);
}
.footer-index{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.footer-index a{
  display:inline-block;
  padding:6px 0;
  font-family:var(--font-head);
  font-size:19px;
  letter-spacing:.04em;
  color:#EAE3D2;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.footer-index a:hover{color:var(--glint);border-bottom-color:var(--gold);transform:translateX(3px)}

.contact-line{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:10px;
  margin:0 0 14px;
  font-size:15px;
}
.contact-line--stack{flex-direction:column;align-items:flex-start;gap:4px}
.contact-key{
  flex:0 0 auto;
  min-width:4.6em;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--stone);
}
.contact-value{color:#EAE3D2;word-break:break-word}
.contact-value--num{
  font-weight:900;
  font-size:19px;
  letter-spacing:.04em;
  color:var(--glint);
  font-variant-numeric:tabular-nums;
}
.copy-chip{
  padding:4px 12px;
  border:1px solid rgba(200,155,60,.6);
  border-radius:var(--pill);
  background:transparent;
  color:var(--gold);
  font-size:12px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.copy-chip:hover{background-color:rgba(200,155,60,.18)}
.copy-chip[data-copied="true"]{background-color:var(--gold);border-color:var(--gold);color:var(--night)}
.footer-note{
  max-width:40ch;
  margin:18px 0 0;
  font-size:13px;
  line-height:1.9;
  color:var(--stone);
}

.legal-links{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:8px}
.legal-links a{
  font-size:15px;
  color:#DBD4C4;
  text-decoration:none;
  border-bottom:1px solid rgba(185,179,166,.4);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.legal-links a:hover{color:var(--glint);border-bottom-color:var(--gold)}
.footer-icp{margin:0 0 8px;font-size:13px;letter-spacing:.06em;color:var(--stone)}
.footer-copy{margin:0;font-size:13px;color:var(--stone);font-variant-numeric:tabular-nums}

.footer-base{
  width:min(var(--shell),100% - 40px);
  margin-inline:auto;
  padding:24px 0 42px;
  border-top:1px solid rgba(185,179,166,.2);
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-signoff{
  margin:0;
  font-family:var(--font-head);
  font-size:clamp(22px,3.6vw,44px);
  letter-spacing:.08em;
  line-height:1.2;
  color:var(--glint);
  background:linear-gradient(100deg,var(--glint) 0%,var(--gold) 58%,#8A6520 100%);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:20px;
  bottom:20px;
  z-index:120;
  display:grid;
  place-items:center;
  width:50px;
  height:50px;
  border:2px solid var(--gold);
  border-radius:50%;
  background:var(--night);
  color:var(--glint);
  font-size:18px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  box-shadow:0 18px 34px -22px rgba(10,23,37,.9);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--gold);color:var(--night)}

/* ---------- 显现 ---------- */
html[data-js="true"] [data-reveal]{
  opacity:0;
  transform:translateY(20px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
html[data-js="true"] [data-reveal][data-revealed="true"]{
  opacity:1;
  transform:none;
}

/* ===========================================================
   响应式
   =========================================================== */
@media (min-width:1001px){
  .site-header[data-condensed="true"] .nav-list{padding:4px}
  .site-header[data-condensed="true"] .nav-link{padding:7px 13px;font-size:14px}
}

@media (max-width:1120px){
  .brand-sub{opacity:0}
  .nav-link{padding:9px 12px;font-size:14px}
}

@media (max-width:1000px){
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-island{
    position:fixed;
    top:84px;
    left:16px;
    right:16px;
    z-index:110;
    display:block;
    max-height:0;
    padding:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    background:var(--cream);
    border:2px solid var(--ink);
    border-radius:24px;
    box-shadow:6px 6px 0 rgba(16,35,58,.14),var(--shadow-lift);
    transition:max-height .4s var(--ease),opacity .26s var(--ease),
               transform .4s var(--ease),visibility .4s;
  }
  .nav-island[data-open="true"]{
    max-height:min(72vh,560px);
    overflow-y:auto;
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:12px;
    border:0;
    border-radius:0;
    background:transparent;
  }
  .nav-link{
    padding:14px 16px;
    border-radius:16px;
    font-family:var(--font-head);
    font-size:18px;
  }
  .grid--split,
  .grid--split-rev{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-col--contact{grid-column:1 / -1;order:-1}
}

@media (max-width:900px){
  .grid--2,.grid--3{grid-template-columns:1fr}
  .card--tilt{transform:none}
}

@media (max-width:640px){
  .shell,.header-inner,.footer-inner,.footer-base{width:min(var(--shell),100% - 32px)}
  .header-cta{padding:9px 15px;font-size:13px}
  .nav-toggle{padding:8px 13px;font-size:13px}
  .nav-toggle-text{display:none}
  .nav-island{top:74px;left:12px;right:12px}
  .footer-inner{grid-template-columns:1fr;gap:34px}
  .footer-signoff{font-size:clamp(24px,7vw,34px)}
  .to-top{right:14px;bottom:14px;width:44px;height:44px}
  .contact-key{min-width:auto}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html[data-js="true"] [data-reveal]{opacity:1;transform:none;transition:none}
  .btn:hover,.footer-index a:hover{transform:none}
}