/* =========================================================
   凯发CN · 共享样式表 /assets/site.css
   语汇：深靛蓝底 · 奶油纸面 · 五色经幡 · 加载刻度
   ========================================================= */

:root{
  --ink:#0E1733;
  --ink-2:#1A2750;
  --ink-3:#0A1128;
  --cream:#F3EAD9;
  --jade:#2AA6A2;
  --crimson:#B7362A;
  --gold:#E3A93C;
  --green:#3F8F5F;
  --yellow:#F0C232;
  --stone:#8C93A8;
  --soot:#20160F;

  --font-display:system-ui,-apple-system,"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:system-ui,-apple-system,"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,monospace;

  --t-12:12px; --t-14:14px; --t-16:16px; --t-19:19px; --t-24:24px;
  --t-32:32px; --t-44:44px; --t-64:64px; --t-96:96px;

  --step-lede:clamp(16px,2.6vw,19px);
  --step-h2:clamp(24px,4.4vw,44px);
  --step-h1:clamp(32px,7.2vw,64px);
  --step-mega:clamp(44px,9vw,104px);

  --gut:clamp(16px,4vw,40px);
  --wrap:min(1240px, calc(100% - var(--gut) * 2));
  --cut:18px;
  --cut-sm:10px;
  --cut-panel:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  --cut-panel-sm:polygon(var(--cut-sm) 0,100% 0,100% calc(100% - var(--cut-sm)),calc(100% - var(--cut-sm)) 100%,0 100%,0 var(--cut-sm));
  --ease:cubic-bezier(.2,.7,.2,1);
  --rail:1.5px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:var(--step-lede);
  font-weight:400;
  line-height:1.85;
  letter-spacing:.004em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-display);font-weight:850;letter-spacing:-.02em;line-height:1.14}
p{margin:0}
hr{margin:0;border:0}
::selection{background:var(--gold);color:var(--soot)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- 通用排版 ---------- */
.display{font-family:var(--font-display);font-weight:900;font-size:var(--step-mega);line-height:.98;letter-spacing:-.02em}
.h1{font-size:var(--step-h1);font-weight:850;line-height:1.08}
.h2{font-size:var(--step-h2);font-weight:850;line-height:1.12}
.h3{font-size:var(--t-24);font-weight:800;line-height:1.25}
.lede{font-size:var(--step-lede);line-height:1.85;color:rgba(243,234,217,.78);max-width:34em}
.mono{font-family:var(--font-mono);font-size:var(--t-14);letter-spacing:.04em}
.num{
  font-family:var(--font-mono);
  font-weight:700;
  font-size:clamp(28px,5vw,44px);
  line-height:1;
  letter-spacing:-.01em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.eyebrow{
  display:flex;align-items:center;gap:14px;
  font-family:var(--font-mono);
  font-size:var(--t-12);
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--stone);
  margin-bottom:clamp(14px,2.2vw,22px);
}
.eyebrow::after{content:"";flex:1 1 auto;height:1px;background:currentColor;opacity:.42}
.eyebrow__num{color:var(--gold);font-weight:700}
.rule{height:1px;background:rgba(243,234,217,.16)}
.rule--scale{height:1.5px;background:linear-gradient(90deg,var(--jade),var(--gold))}
.link-u{
  color:var(--cream);
  text-decoration:underline;
  text-decoration-color:var(--jade);
  text-decoration-thickness:1.5px;
  text-underline-offset:4px;
  transition:color 180ms var(--ease),text-decoration-color 180ms var(--ease);
}
.link-u:hover{color:var(--gold);text-decoration-color:var(--gold)}

/* ---------- 布局 ---------- */
.shell{width:var(--wrap);margin-inline:auto}
.section{padding-block:clamp(48px,9vw,104px)}
.section--tight{padding-block:clamp(28px,5vw,56px)}
.section--cream{background:var(--cream);color:var(--soot)}
.section--ink2{background:var(--ink-2)}
.section--cream .lede{color:rgba(32,22,15,.76)}
.section--cream .eyebrow{color:#7A6E56}
.section--cream .rule{background:rgba(32,22,15,.16)}
.section--cream .link-u{color:var(--soot);text-decoration-color:var(--crimson)}
.section--cream .link-u:hover{color:var(--crimson);text-decoration-color:var(--soot)}
.section--cream .list li{color:rgba(32,22,15,.86)}
.section--cream .list li::before{background:var(--crimson)}
.section--cream .num{color:var(--crimson)}
.section--cream .mono{color:rgba(32,22,15,.7)}

.grid{display:grid;grid-template-columns:1fr;gap:clamp(14px,2.4vw,28px)}

@media (min-width:760px){
  .grid{grid-template-columns:repeat(12,1fr)}
  .span-3{grid-column:span 3}
  .span-4{grid-column:span 4}
  .span-5{grid-column:span 5}
  .span-6{grid-column:span 6}
  .span-7{grid-column:span 7}
  .span-8{grid-column:span 8}
  .span-12{grid-column:span 12}
  .shift-1{grid-column-start:2}
  .shift-2{grid-column-start:3}
  .shift-3{grid-column-start:4}
}

/* ---------- 顶部加载条 ---------- */
.rail{
  position:fixed;inset:0 0 auto 0;height:var(--rail);
  z-index:90;background:rgba(243,234,217,.10);pointer-events:none;
}
.rail__fill{
  display:block;height:100%;width:0;
  background:var(--jade);
  transition:width 90ms linear,background-color 240ms linear;
}
.rail.is-full .rail__fill{animation:railBreathe 2.6s ease-in-out infinite}
@keyframes railBreathe{0%,100%{opacity:1}50%{opacity:.42}}

/* ---------- 跳至主要内容 ---------- */
.skip{
  position:absolute;left:-9999px;top:0;z-index:120;
  background:var(--cream);color:var(--soot);
  padding:10px 18px;font-size:var(--t-14);font-weight:700;
  clip-path:var(--cut-panel-sm);
}
.skip:focus{left:12px;top:10px}

/* ---------- 页头浮岛 ---------- */
.masthead{
  position:sticky;top:0;z-index:80;
  padding:clamp(10px,1.6vw,16px) var(--gut);
  background:linear-gradient(180deg,rgba(14,23,51,.97) 0%,rgba(14,23,51,.86) 58%,rgba(14,23,51,0) 100%);
  transition:padding 240ms var(--ease),background-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.masthead__row{
  position:relative;
  width:var(--wrap);margin-inline:auto;
  display:flex;align-items:center;gap:clamp(10px,1.6vw,18px);
}
.masthead.is-condensed{
  padding-top:7px;padding-bottom:7px;
  background-color:rgba(14,23,51,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(243,234,217,.10);
}
.masthead.is-condensed .headcta{display:none}
.masthead.is-condensed .brand__meta{display:none}

.brand{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:10px;
  padding:8px 14px;background:var(--cream);color:var(--soot);
  clip-path:var(--cut-panel-sm);
  transition:background-color 180ms var(--ease);
}
.brand:hover{background:var(--yellow)}
.brand__glyph{display:flex;align-items:flex-end;gap:2px;height:20px;width:14px}
.brand__glyph i{display:block;width:3.4px;background:var(--jade)}
.brand__glyph i:nth-child(1){height:58%;background:var(--jade)}
.brand__glyph i:nth-child(2){height:100%;background:var(--crimson)}
.brand__glyph i:nth-child(3){height:74%;background:var(--gold)}
.brand__type{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-family:var(--font-display);font-size:var(--t-16);font-weight:900;letter-spacing:.01em}
.brand__meta{font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;color:rgba(32,22,15,.6)}

.pill{flex:1 1 auto;display:flex;justify-content:center}
.pill__list{
  display:flex;align-items:center;gap:2px;
  padding:5px;
  background:rgba(26,39,80,.88);
  border:1px solid rgba(243,234,217,.14);
  border-radius:999px;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.pill__link{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:var(--t-14);font-weight:600;color:rgba(243,234,217,.82);
  white-space:nowrap;
  transition:background-color 180ms var(--ease),color 180ms var(--ease);
}
.pill__link:hover{color:var(--cream);background:rgba(42,166,162,.26)}
.pill__link[aria-current="page"]{background:var(--crimson);color:var(--cream)}

.headcta{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:11px 17px;
  background:var(--crimson);color:var(--cream);
  font-family:var(--font-display);font-size:var(--t-14);font-weight:700;
  clip-path:var(--cut-panel-sm);
  transition:background-color 180ms var(--ease),color 180ms var(--ease);
}
.headcta::after{content:"→";font-family:var(--font-mono);line-height:1}
.headcta:hover{background:var(--gold);color:var(--soot)}

.navtoggle{
  display:none;flex:0 0 auto;align-items:center;gap:10px;
  padding:10px 15px;border-radius:999px;
  background:var(--ink-2);border:1px solid rgba(243,234,217,.2);
  color:var(--cream);font-size:var(--t-14);font-weight:700;cursor:pointer;
  transition:border-color 180ms var(--ease),background-color 180ms var(--ease);
}
.navtoggle:hover{border-color:var(--jade)}
.navtoggle[aria-expanded="true"]{border-color:var(--gold);background:rgba(227,169,60,.16)}
.navtoggle__text{letter-spacing:.06em}
.navtoggle__mark{display:flex;flex-direction:column;justify-content:center;gap:4px;width:16px}
.navtoggle__mark i{display:block;height:1.5px;background:currentColor;transition:transform 200ms var(--ease)}
.navtoggle[aria-expanded="true"] .navtoggle__mark i:first-child{transform:translateY(2.75px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__mark i:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* ---------- 页脚 ---------- */
.foot{
  background:var(--ink);color:var(--cream);
  border-top:1px solid rgba(243,234,217,.12);
  padding-top:clamp(36px,6vw,68px);
}
.foot__grid{display:grid;grid-template-columns:1fr;gap:clamp(22px,3.4vw,40px)}
.foot__col--mark{padding-right:clamp(0px,2vw,20px)}
.foot__brand{font-family:var(--font-display);font-size:clamp(24px,3.4vw,32px);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.foot__tagline{margin-top:8px;font-family:var(--font-mono);font-size:var(--t-14);letter-spacing:.24em;color:var(--jade)}
.foot__domain{margin-top:12px;font-family:var(--font-mono);font-size:var(--t-12);letter-spacing:.05em;color:var(--stone)}
.foot__head{
  margin-bottom:14px;font-family:var(--font-mono);font-size:var(--t-12);
  font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--stone);
}
.foot__list{display:grid;gap:9px;font-size:var(--t-16)}
.foot__list li{line-height:1.6}
.foot__list a{color:rgba(243,234,217,.84);border-bottom:1px solid transparent;transition:color 180ms var(--ease),border-color 180ms var(--ease)}
.foot__list a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.foot__list--mono{gap:7px;font-family:var(--font-mono);font-size:var(--t-14);letter-spacing:.01em;color:rgba(243,234,217,.72);line-height:1.7}
.foot__col--legal .foot__list a{color:rgba(243,234,217,.72)}
.foot__base{
  margin-top:clamp(28px,4.4vw,48px);
  padding-top:20px;padding-bottom:clamp(18px,3vw,30px);
  border-top:1px solid rgba(243,234,217,.12);
  display:flex;flex-wrap:wrap;gap:10px 26px;
  align-items:center;justify-content:space-between;
}
.foot__meta{
  display:flex;flex-wrap:wrap;gap:6px 18px;
  font-family:var(--font-mono);font-size:var(--t-12);
  letter-spacing:.04em;color:var(--stone);
}
.flagband{display:grid;grid-template-columns:repeat(5,1fr);height:4px}
.flagband i{display:block;height:100%}
.flagband i:nth-child(1){background:var(--jade)}
.flagband i:nth-child(2){background:var(--cream)}
.flagband i:nth-child(3){background:var(--crimson)}
.flagband i:nth-child(4){background:var(--green)}
.flagband i:nth-child(5){background:var(--yellow)}

/* ---------- 切角面板 ---------- */
.plate{
  background:var(--cream);color:var(--soot);
  padding:clamp(20px,3vw,34px);
  clip-path:var(--cut-panel);
}
.plate--ink{background:var(--ink-2);color:var(--cream)}
.plate--outline{
  background:transparent;color:var(--cream);
  box-shadow:inset 0 0 0 1.5px rgba(243,234,217,.22);
  clip-path:none;
}
.plate--outline .mono{color:var(--stone)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 11px;
  background:var(--yellow);color:var(--soot);
  font-family:var(--font-mono);font-size:var(--t-12);letter-spacing:.08em;
  clip-path:var(--cut-panel-sm);
}
.tag--jade{background:var(--jade);color:#04201F}
.tag--crimson{background:var(--crimson);color:var(--cream)}
.tag--cream{background:var(--cream);color:var(--soot)}
.tag--green{background:var(--green);color:var(--cream)}
.tag--line{background:transparent;color:var(--stone);box-shadow:inset 0 0 0 1px rgba(140,147,168,.5)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:.78em 1.35em;
  background:var(--crimson);color:var(--cream);
  font-family:var(--font-display);font-size:var(--t-16);font-weight:700;
  clip-path:var(--cut-panel-sm);cursor:pointer;
  transition:background-color 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease);
}
.btn:hover{background:var(--gold);color:var(--soot);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--cream);box-shadow:inset 0 0 0 1.5px rgba(243,234,217,.34)}
.btn--ghost:hover{background:var(--jade);color:#04201F;box-shadow:none}
.btn--cream{background:var(--cream);color:var(--soot)}
.btn--cream:hover{background:var(--gold);color:var(--soot)}
.btn--wide{width:100%}

/* ---------- 清单与数据条 ---------- */
.list{display:grid;gap:12px}
.list li{position:relative;padding-left:22px;color:rgba(243,234,217,.86)}
.list li::before{content:"";position:absolute;left:0;top:.78em;width:10px;height:1.5px;background:var(--jade)}
.statline{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 22px;
  padding:clamp(14px,2vw,20px) 0;
  border-top:1px solid rgba(243,234,217,.16);
  border-bottom:1px solid rgba(243,234,217,.16);
}
.section--cream .statline{border-color:rgba(32,22,15,.16)}

/* ---------- 面包屑 ---------- */
.crumbs{margin-bottom:clamp(18px,3vw,30px)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:var(--t-12);letter-spacing:.1em;color:var(--stone)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(140,147,168,.6)}
.crumbs a{color:var(--cream);text-decoration:underline;text-decoration-color:var(--jade);text-underline-offset:4px}
.crumbs a:hover{color:var(--jade)}
.crumbs [aria-current="page"]{color:var(--gold)}

/* ---------- 图片容器 ---------- */
.media{
  position:relative;display:block;overflow:hidden;isolation:isolate;
  aspect-ratio:var(--media-ratio,16/9);
  background:linear-gradient(140deg,var(--ink-2) 0%,var(--ink-3) 62%,#101C3D 100%);
  clip-path:var(--cut-panel);
}
.media > img,
.media > picture,
.media > svg,
.media > video{display:block;width:100%;height:100%;object-fit:cover}
.media--wide{--media-ratio:21/9}
.media--square{--media-ratio:1/1}
.media--tall{--media-ratio:4/5}
.media--free{aspect-ratio:auto}
.media__cap{
  position:absolute;left:0;bottom:0;z-index:2;
  background:var(--cream);color:var(--soot);
  font-family:var(--font-mono);font-size:var(--t-12);letter-spacing:.06em;
  padding:6px 12px;
}
.media--loading::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(243,234,217,.07) 0 1.5px,transparent 1.5px 14px);
}
.media--loading::after{
  content:"";position:absolute;inset:-30%;
  background:
    radial-gradient(circle at 50% 50%,rgba(42,166,162,.30),transparent 62%),
    radial-gradient(circle at 34% 36%,rgba(227,169,60,.20),transparent 55%);
  animation:mediaBreathe 2.6s ease-in-out infinite;
}
@keyframes mediaBreathe{
  0%,100%{transform:scale(1);opacity:.9}
  50%{transform:scale(1.05);opacity:.55}
}

/* ---------- 可展开内容组 ---------- */
.expander{border-top:1px solid rgba(243,234,217,.16)}
.expander:last-child{border-bottom:1px solid rgba(243,234,217,.16)}
.section--cream .expander{border-color:rgba(32,22,15,.16)}
.expander__btn{
  display:flex;align-items:center;gap:16px;width:100%;
  padding:clamp(14px,2.4vw,20px) 4px;
  text-align:left;cursor:pointer;
  color:var(--cream);
  font-family:var(--font-display);font-size:var(--t-19);font-weight:700;letter-spacing:-.01em;
  transition:color 200ms var(--ease),padding-left 200ms var(--ease);
}
.section--cream .expander__btn{color:var(--soot)}
.expander__btn:hover{color:var(--gold);padding-left:12px}
.expander__btn > span:first-child{flex:1 1 auto}
.expander__icon{
  position:relative;flex:0 0 auto;width:14px;height:14px;
  color:var(--jade);
  transition:transform 260ms var(--ease),color 260ms var(--ease);
}
.expander__icon::before{
  content:"";position:absolute;left:2px;top:1px;width:8px;height:8px;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;
  transform:rotate(-45deg);
}
.expander__btn[aria-expanded="true"] .expander__icon{transform:rotate(90deg);color:var(--crimson)}
.expander__panel{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows 260ms var(--ease);
}
.expander__panel[data-open]{grid-template-rows:1fr}
.expander__inner{overflow:hidden}
.expander__body{
  padding:0 4px clamp(16px,2.4vw,24px);
  color:rgba(243,234,217,.82);
  max-width:62ch;
}
.section--cream .expander__body{color:rgba(32,22,15,.8)}

/* ---------- 页内分区索引 ---------- */
.indexnav{display:flex;flex-wrap:wrap;gap:8px}
.indexnav__link{
  padding:6px 11px;
  font-family:var(--font-mono);font-size:var(--t-12);letter-spacing:.1em;
  color:var(--stone);
  border:1px solid rgba(140,147,168,.38);
  transition:color 180ms var(--ease),background-color 180ms var(--ease),border-color 180ms var(--ease);
}
.indexnav__link:hover{color:var(--cream);border-color:var(--jade)}
.indexnav__link[aria-current="true"]{background:var(--gold);border-color:var(--gold);color:var(--soot)}

/* ---------- 渐显 ---------- */
.js-on [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity 320ms var(--ease),transform 320ms var(--ease);
}
.js-on [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 移动端页头 ---------- */
@media (max-width:880px){
  .masthead__row{justify-content:space-between}
  .brand{margin-right:auto}
  .navtoggle{display:inline-flex;margin-left:auto}
  .headcta{display:none}
  .pill{
    position:absolute;left:0;right:0;top:calc(100% + 8px);
    display:none;justify-content:stretch;
  }
  .pill[data-open]{display:block}
  .pill__list{
    flex-direction:column;align-items:stretch;gap:4px;
    padding:10px;border-radius:20px;
    background:rgba(14,23,51,.985);
    border-color:rgba(243,234,217,.18);
    box-shadow:0 18px 40px rgba(5,10,24,.6);
  }
  .pill__link{
    display:block;padding:12px 16px;border-radius:14px;font-size:var(--t-16);
  }
  .pill__link[aria-current="page"]{background:var(--crimson)}
}

@media (max-width:420px){
  .navtoggle__text{display:none}
  .navtoggle{padding:11px 13px}
}

/* ---------- 平板与桌面页脚 ---------- */
@media (min-width:700px){
  .foot__grid{grid-template-columns:1.5fr 1fr 1fr}
  .foot__col--legal{grid-column:span 3}
  .foot__col--legal .foot__list{grid-auto-flow:column;grid-auto-columns:max-content;gap:26px}
}
@media (min-width:1000px){
  .foot__grid{grid-template-columns:1.6fr 1fr 1.35fr 1fr}
  .foot__col--legal{grid-column:auto}
  .foot__col--legal .foot__list{grid-auto-flow:row;grid-auto-columns:auto;gap:9px}
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .rail.is-full .rail__fill{animation:none;opacity:1}
  .media--loading::after{animation:none;opacity:.75;transform:none}
  .js-on [data-reveal]{opacity:1;transform:none}
  .expander__btn:hover{padding-left:4px}
}