/* ============================================================
   365游戏入口 · 共享样式 /assets/site.css
   潮汐与脉冲：深海蓝长卷 + 电光青数据 + 珊瑚橙行动
   ============================================================ */

:root{
  --deep:#08182F;
  --mid:#102A4C;
  --ink:#16324F;
  --cyan:#00E0D0;
  --cyan-soft:#7FF3EA;
  --coral:#FF5C3A;
  --gold:#F5C56B;
  --paper:#EAF0F7;
  --cloud:#C9D6E4;

  --glass:rgba(255,255,255,.07);
  --line-soft:rgba(127,243,234,.18);
  --line-strong:rgba(127,243,234,.34);

  --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular","Menlo",Consolas,monospace;

  --shell-max:1320px;
  --gut:clamp(18px,4vw,56px);
  --head-h:84px;
  --radius:16px;
  --radius-lg:22px;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  background:var(--deep);
  color:var(--cloud);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg,video{max-width:100%;height:auto;}
button{font:inherit;color:inherit;background:none;border:0;}

a{color:var(--cyan);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan-soft);}

h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}

[id]{scroll-margin-top:calc(var(--head-h) + 20px);}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* ---------- 排版容器 ---------- */

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

.section{padding-block:clamp(52px,8vw,108px);}
.section--tight{padding-block:clamp(30px,5vw,62px);}

.stack{display:grid;gap:var(--stack-gap,18px);}

.band{
  display:block;
  width:100%;
  height:6px;
  border-radius:999px;
  background:var(--cyan);
}
.band--thin{height:3px;}
.band--gold{background:var(--gold);}
.band--coral{background:var(--coral);}
.band--silent{background:rgba(127,243,234,.22);}

/* ---------- 文字层级 ---------- */

.display{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(36px,6.6vw,68px);
  line-height:1.08;
  letter-spacing:-.015em;
  color:#fff;
}

.h-section{
  font-family:var(--serif);
  font-weight:900;
  font-size:clamp(23px,3.2vw,32px);
  line-height:1.28;
  letter-spacing:-.01em;
  color:#fff;
}

.h-card{
  font-size:19px;
  font-weight:700;
  line-height:1.5;
  color:#fff;
}

.lede{
  max-width:62ch;
  font-size:clamp(16px,1.6vw,18.5px);
  line-height:1.85;
  color:rgba(201,214,228,.86);
}

.meta{
  font-size:13.5px;
  line-height:1.7;
  color:rgba(201,214,228,.66);
}

.num{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}

/* ---------- 按钮 ---------- */

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:11px 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-family:var(--sans);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  white-space:nowrap;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.btn--coral{background:var(--coral);color:var(--deep);}
.btn--coral:hover{background:#FF7C60;color:var(--deep);transform:translateY(-1px);}
.btn--cyan{background:var(--cyan);color:var(--deep);}
.btn--cyan:hover{background:var(--cyan-soft);color:var(--deep);transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:var(--cyan-soft);}
.btn--ghost:hover{background:rgba(0,224,208,.12);color:#fff;}
.btn--quiet{background:var(--glass);border-color:var(--line-soft);color:var(--cloud);}
.btn--quiet:hover{background:rgba(0,224,208,.14);border-color:var(--line-strong);color:#fff;}

/* ---------- 跳转链接 ---------- */

.skip-link{
  position:fixed;
  left:var(--gut);
  top:-140px;
  z-index:200;
  padding:11px 20px;
  border-radius:0 0 14px 14px;
  background:var(--coral);
  color:var(--deep);
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transition:top .2s ease;
}
.skip-link:focus{top:0;color:var(--deep);}

/* ---------- 页头 ---------- */

.site-head{
  position:sticky;
  top:0;
  z-index:80;
  display:flex;
  align-items:center;
  height:var(--head-h);
  background:transparent;
  transition:height .3s ease,background-color .3s ease,box-shadow .3s ease;
}
.site-head[data-condensed]{
  height:64px;
  background:rgba(8,24,47,.97);
  box-shadow:0 1px 0 rgba(0,224,208,.2),0 26px 48px -38px #000;
}

.site-head__inner{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gut);
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,34px);
}

.progress-rail{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:rgba(0,224,208,.12);
  overflow:hidden;
  pointer-events:none;
}
.progress-rail__fill{
  display:block;
  width:100%;
  height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--coral));
}

/* ---------- 品牌 ---------- */

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:#fff;
  text-decoration:none;
  flex:0 0 auto;
}
.brand:hover{color:#fff;}

.brand__mark{
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  border-radius:13px;
  background:linear-gradient(140deg,var(--cyan) 0%,#0093A8 100%);
  color:var(--deep);
  font-family:var(--mono);
  font-size:14px;
  font-weight:700;
  letter-spacing:-.02em;
  box-shadow:0 0 0 1px rgba(127,243,234,.35),0 12px 26px -14px rgba(0,224,208,.7);
}

.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;}
.brand__line{
  font-family:var(--mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--cyan-soft);
}

/* ---------- 主导航 ---------- */

.nav{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:8px;
  padding:6px 6px 6px 10px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line-soft);
  backdrop-filter:blur(10px);
  transition:background-color .3s ease,border-color .3s ease;
}

.nav__list{display:flex;align-items:center;gap:2px;}

.nav__link{
  position:relative;
  display:block;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--cloud);
  text-decoration:none;
  transition:color .2s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s ease;
}
.nav__link:hover,.nav__link:focus-visible{color:#fff;}
.nav__link:hover::after,.nav__link:focus-visible::after{transform:scaleX(1);}
.nav__link[aria-current="page"]{color:#fff;}
.nav__link[aria-current="page"]::after{background:var(--coral);transform:scaleX(1);}

.nav__cta{margin-left:2px;padding:10px 18px;font-size:14.5px;}

/* ---------- 移动导航按钮 ---------- */

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:10px 16px;
  border-radius:999px;
  cursor:pointer;
  background:var(--glass);
  border:1px solid var(--line-strong);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  transition:background-color .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(0,224,208,.14);border-color:var(--cyan);}

.nav-toggle__bars{position:relative;display:block;width:18px;height:12px;}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .24s ease,top .24s ease;
}
.nav-toggle__bars::before{top:0;}
.nav-toggle__bars::after{top:10px;}
.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);}

.nav-toggle__label{letter-spacing:.04em;}

@media (min-width:921px){
  .site-head[data-condensed] .nav{
    background:transparent;
    border-color:transparent;
  }
}

/* ---------- 面包屑 ---------- */

.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:rgba(201,214,228,.6);
}
.crumb__item{display:inline-flex;align-items:center;}
.crumb__item + .crumb__item::before{
  content:"/";
  margin-right:10px;
  color:rgba(0,224,208,.55);
}
.crumb a{
  color:inherit;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.crumb a:hover,.crumb a:focus-visible{color:var(--cyan);border-bottom-color:var(--cyan);}

/* ---------- 正文容器 ---------- */

.prose{max-width:70ch;}
.prose p{margin-bottom:1.15em;}
.prose p:last-child{margin-bottom:0;}
.prose h3{margin:1.9em 0 .7em;font-size:20px;color:#fff;}
.prose ul,.prose ol{margin-bottom:1.2em;padding-left:1.4em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:.5em;}
.prose strong{color:#fff;font-weight:700;}
.prose--paper{
  max-width:76ch;
  padding:clamp(24px,4vw,46px);
  border-radius:var(--radius-lg);
  background:var(--paper);
  color:var(--deep);
  border:1px solid rgba(8,24,47,.08);
}
.prose--paper h3,.prose--paper strong{color:var(--deep);}
.prose--paper a{color:#0A6B66;border-bottom:1px solid rgba(10,107,102,.5);}
.prose--paper a:hover{color:#084F4B;}
.prose--paper :focus-visible{outline-color:#06514C;}

/* ---------- 档案夹 ---------- */

.dossier{
  display:grid;
  grid-template-columns:minmax(0,200px) minmax(0,1fr);
  gap:clamp(18px,3vw,40px);
  align-items:start;
}
.dossier__tabs{
  display:flex;
  flex-direction:column;
  gap:6px;
  position:sticky;
  top:calc(var(--head-h) + 16px);
}
.dossier__tab{
  display:block;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid transparent;
  font-size:14.5px;
  color:var(--cloud);
  text-decoration:none;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.dossier__tab:hover{background:var(--glass);border-color:var(--line-soft);color:#fff;}
.dossier__tab[aria-current="true"]{
  background:rgba(0,224,208,.12);
  border-color:var(--line-strong);
  color:var(--cyan-soft);
}
.dossier__body{display:grid;gap:16px;}

/* ---------- 资料卡 ---------- */

.archive{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(258px,1fr));
  gap:16px;
}
.archive__card{
  position:relative;
  padding:24px 22px 22px;
  border-radius:var(--radius);
  background:var(--ink);
  border:1px solid rgba(127,243,234,.14);
  transition:border-color .25s ease,transform .25s ease,background-color .25s ease;
}
.archive__card:hover{border-color:var(--cyan);transform:translateY(-2px);}
.archive__card > * + *{margin-top:10px;}

.folio{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--gold);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.03em;
  background:rgba(127,243,234,.12);
  color:var(--cyan-soft);
  border:1px solid rgba(127,243,234,.28);
}
.tag--gold{background:rgba(245,197,107,.14);color:var(--gold);border-color:rgba(245,197,107,.34);}
.tag--coral{background:rgba(255,92,58,.15);color:#FFB9A6;border-color:rgba(255,92,58,.38);}

/* ---------- 数据条 ---------- */

.data-bar{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--cyan-soft);
}
.data-bar__track{
  position:relative;
  flex:1 1 auto;
  height:4px;
  border-radius:999px;
  background:rgba(127,243,234,.16);
  overflow:hidden;
}
.data-bar__fill{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-soft));
}

/* ---------- 图片容器 ---------- */

.frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border-radius:var(--radius);
  border:1px solid rgba(127,243,234,.16);
  background:linear-gradient(140deg,#0C2140 0%,#16324F 58%,#08182F 100%);
}
.frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(0,224,208,.10) 0 1px,transparent 1px 46px);
  mix-blend-mode:screen;
}
.frame > img,
.frame > picture{display:block;width:100%;height:100%;}
.frame > img,
.frame > picture > img{object-fit:cover;}
.frame--wide{aspect-ratio:21 / 9;}
.frame--tall{aspect-ratio:4 / 5;}
.frame--square{aspect-ratio:1 / 1;}

/* ---------- 页脚 ---------- */

.site-foot{
  position:relative;
  margin-top:clamp(64px,9vw,132px);
  background:var(--mid);
  color:var(--cloud);
  border-top:1px solid rgba(0,224,208,.2);
}
.site-foot::before{
  content:"";
  display:block;
  height:4px;
  background:linear-gradient(90deg,
    var(--cyan) 0 18%,
    var(--gold) 18% 26%,
    var(--coral) 26% 38%,
    rgba(127,243,234,.28) 38% 100%);
}

.site-foot__inner{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.7fr);
  gap:clamp(28px,4vw,56px) clamp(32px,6vw,80px);
  padding:clamp(44px,6vw,78px) 0 clamp(26px,3.5vw,40px);
}

.site-foot__brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
}

.brand--foot .brand__mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:transparent;
  color:var(--cyan);
  font-size:13px;
  box-shadow:inset 0 0 0 1px rgba(0,224,208,.5);
}
.brand--foot .brand__name{font-size:16.5px;}
.brand--foot .brand__line{color:rgba(127,243,234,.72);}

.site-foot__note{
  max-width:34ch;
  font-size:14.5px;
  line-height:1.85;
  color:rgba(201,214,228,.7);
}

.foot-nav{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(20px,3vw,40px);
}

.foot-col{display:flex;flex-direction:column;gap:14px;}

.foot-col__title{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--gold);
}

.foot-col__list{display:flex;flex-direction:column;gap:10px;}

.foot-link{
  display:inline-block;
  padding-bottom:2px;
  font-size:15px;
  color:var(--cloud);
  text-decoration:none;
  background-image:linear-gradient(var(--cyan),var(--cyan));
  background-repeat:no-repeat;
  background-position:0 100%;
  background-size:0 1px;
  transition:background-size .28s ease,color .2s ease;
}
.foot-link:hover,.foot-link:focus-visible{color:#fff;background-size:100% 1px;}

.site-foot__strip{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  gap:10px clamp(20px,4vw,44px);
  padding-top:clamp(20px,3vw,30px);
  border-top:1px dashed rgba(127,243,234,.24);
}
.site-foot__contact{
  font-size:13.5px;
  line-height:1.75;
  color:rgba(201,214,228,.74);
}
.site-foot__service{
  font-family:var(--mono);
  font-size:12.5px;
  line-height:1.75;
  color:rgba(127,243,234,.66);
}

.site-foot__legal{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 24px;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:rgba(201,214,228,.56);
}
.site-foot__icp,.site-foot__copy{margin:0;}

/* ---------- 显现协议 ---------- */

@media (prefers-reduced-motion: no-preference){
  html.has-js [data-reveal]{
    opacity:0;
    transform:translateY(18px);
    transition:opacity .55s cubic-bezier(.22,.7,.3,1),transform .55s cubic-bezier(.22,.7,.3,1);
  }
  html.has-js [data-reveal].is-in{
    opacity:1;
    transform:none;
  }
}

/* ---------- 响应式 ---------- */

@media (max-width:920px){
  :root{--head-h:72px;}

  .nav-toggle{display:inline-flex;}
  .brand__line{display:none;}

  .nav{
    position:fixed;
    left:50%;
    right:auto;
    top:auto;
    bottom:calc(16px + env(safe-area-inset-bottom,0px));
    width:min(100% - 24px,420px);
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:10px;
    border-radius:24px;
    background:rgba(10,28,54,.96);
    border:1px solid rgba(0,224,208,.26);
    box-shadow:0 34px 64px -26px rgba(0,0,0,.9);
    opacity:0;
    visibility:hidden;
    transform:translate(-50%,calc(100% + 40px));
    transition:transform .3s ease,opacity .3s ease,visibility .3s ease;
    z-index:90;
  }
  .nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translate(-50%,0);
  }

  .nav__list{flex-direction:column;align-items:stretch;gap:2px;}

  .nav__link{
    padding:13px 16px;
    border-radius:16px;
    border:1px solid transparent;
    font-size:16px;
  }
  .nav__link::after{display:none;}
  .nav__link:hover,.nav__link:focus-visible{
    background:rgba(0,224,208,.1);
    border-color:var(--line-soft);
  }
  .nav__link[aria-current="page"]{
    background:rgba(255,92,58,.14);
    border-color:rgba(255,92,58,.4);
    color:#FFD2C6;
  }

  .nav__cta{margin:8px 0 0;padding:14px 18px;border-radius:16px;font-size:15.5px;}

  .dossier{grid-template-columns:1fr;}
  .dossier__tabs{
    position:static;
    flex-direction:row;
    flex-wrap:wrap;
  }
}

@media (max-width:900px){
  .site-foot__inner{grid-template-columns:1fr;}
}

@media (max-width:600px){
  .foot-nav{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-col:last-child{grid-column:1 / -1;}
  .site-foot__legal{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .nav-toggle__label{display:none;}
  .nav-toggle{padding:10px 13px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}