:root{
  --bg-abyss:#06110F;
  --panel-locker:#0E2A24;
  --line-moss:#17403A;
  --teal-signal:#45F1D0;
  --flame-stoppage:#FF5A2B;
  --text-rice:#E8E2D4;
  --text-rock:#97A6A0;
  --clay:#C4703C;
  --panel-paper:#F3EFE4;
  --ink-deep:#09211D;

  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-serif:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:Inter,"Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;

  --s1:8px; --s2:13px; --s3:21px; --s4:34px; --s5:55px; --s6:89px;
  --wrap:1280px;
  --gutter:clamp(16px,4vw,32px);
  --cut:18px;
  --hdr-h:92px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
img,svg,video{display:block;max-width:100%;}
ul,ol{list-style:none;margin:0;padding:0;}
p,figure,blockquote,h1,h2,h3,h4{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:var(--teal-signal);text-decoration:none;}
a:hover{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
:focus-visible{outline:2px solid var(--teal-signal);outline-offset:3px;}
::selection{background:var(--teal-signal);color:var(--ink-deep);}
[hidden]{display:none !important;}

body{
  margin:0;
  padding-top:var(--hdr-h);
  background:var(--bg-abyss);
  color:var(--text-rice);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.15;color:var(--text-rice);}
h1{font-size:clamp(30px,4.6vw,54px);letter-spacing:.01em;}
h2{font-size:clamp(24px,3vw,38px);}
h3{font-size:clamp(19px,2vw,25px);}

.num{
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1;
}
.label{
  font-family:var(--font-sans);
  font-weight:800;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-rock);
}
.lede{font-size:clamp(16px,1.6vw,19px);line-height:1.85;color:var(--text-rice);}
.note{font-size:13.5px;line-height:1.85;color:var(--text-rock);}
.sec-mark{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--text-rock);text-transform:uppercase;
}
.sec-mark::after{content:"";flex:1;height:1px;background:var(--line-moss);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:11px;font-weight:700;letter-spacing:.08em;
  padding:3px 9px;
  color:var(--teal-signal);
  background:rgba(69,241,208,.08);
  border:1px solid rgba(69,241,208,.35);
}
.tag--alert{color:var(--flame-stoppage);background:rgba(255,90,43,.1);border-color:rgba(255,90,43,.4);}
.tag--clay{color:var(--clay);background:rgba(196,112,60,.12);border-color:rgba(196,112,60,.4);}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);}
.site-main{display:block;}
#main-content{scroll-margin-top:calc(var(--hdr-h) + 16px);}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--s3);}
.col-3{grid-column:span 3;}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-6{grid-column:span 6;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-12{grid-column:span 12;}

/* ---------- 切角面板 ---------- */
.panel{
  position:relative;
  background:var(--line-moss);
  padding:1px;
  clip-path:polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.panel::before{
  content:"";
  position:absolute;
  inset:1px;
  background:var(--panel-locker);
  clip-path:polygon(0 0, calc(100% - var(--cut) + 2px) 0, 100% calc(var(--cut) - 2px), 100% 100%, 0 100%);
  z-index:0;
}
.panel > *{position:relative;z-index:1;}
.panel__body{padding:var(--s3);}
.panel--flush .panel__body{padding:0;}
.panel--paper{background:var(--clay);}
.panel--paper::before{background:var(--panel-paper);}
.panel--paper .panel__body{color:var(--panel-locker);}
.panel--paper .note,.panel--paper .label{color:#5A6A64;}
.panel--cut-lg{--cut:26px;}

/* ---------- 刻度框景 ---------- */
.scale-frame{
  position:relative;
  padding:calc(var(--s4) + 10px) var(--s4) var(--s4);
  border-left:1px solid var(--line-moss);
  border-right:1px solid var(--line-moss);
}
.scale-frame::before,
.scale-frame::after{
  content:"";
  position:absolute;left:0;right:0;height:8px;
  background-image:repeating-linear-gradient(90deg,var(--line-moss) 0 1px,transparent 1px 12px);
}
.scale-frame::before{top:0;border-bottom:1px solid var(--line-moss);}
.scale-frame::after{bottom:0;border-top:1px solid var(--line-moss);}
.corner-tick{position:absolute;width:12px;height:12px;border:1px solid var(--teal-signal);opacity:.75;pointer-events:none;}
.corner-tick--tl{top:14px;left:14px;border-right:0;border-bottom:0;}
.corner-tick--tr{top:14px;right:14px;border-left:0;border-bottom:0;}
.corner-tick--bl{bottom:14px;left:14px;border-right:0;border-top:0;}
.corner-tick--br{bottom:14px;right:14px;border-left:0;border-top:0;}
.scale-rule{
  height:9px;
  background-image:repeating-linear-gradient(90deg,var(--line-moss) 0 1px,transparent 1px 9px);
  border-bottom:1px solid var(--line-moss);
}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:
    repeating-linear-gradient(135deg,rgba(23,64,58,.55) 0 2px,transparent 2px 11px),
    linear-gradient(160deg,var(--panel-locker) 0%,var(--bg-abyss) 100%);
  clip-path:polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.08) brightness(.92);}
.media-frame--wide{aspect-ratio:21/9;}
.media-frame--tall{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame--hero{aspect-ratio:4/3;}
.media-frame__cap{
  margin-top:var(--s1);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.06em;color:var(--text-rock);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 20px;
  font-family:var(--font-sans);font-size:13.5px;font-weight:800;letter-spacing:.06em;
  color:var(--ink-deep);
  background:var(--teal-signal);
  border:0;cursor:pointer;
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition:background .18s ease,transform .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn:hover{background:#6EF7DD;text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--text-rice);box-shadow:inset 0 0 0 1px var(--line-moss);}
.btn--ghost:hover{background:var(--panel-locker);color:var(--teal-signal);box-shadow:inset 0 0 0 1px var(--teal-signal);}
.btn--alert{background:var(--flame-stoppage);color:#1B0A04;}
.btn--alert:hover{background:#FF7B54;}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--text-rock);
}
.crumbs a{color:var(--text-rock);}
.crumbs a:hover{color:var(--teal-signal);text-decoration:none;}
.crumbs__sep{color:var(--line-moss);}
.crumbs [aria-current="page"]{color:var(--teal-signal);}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;
  left:-9999px;top:0;z-index:900;
  padding:10px 18px;
  background:var(--teal-signal);color:var(--ink-deep);
  font-weight:800;font-size:13px;letter-spacing:.06em;
  clip-path:polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.skip-link:focus{left:12px;top:12px;text-decoration:none;}

/* ---------- 头部 ---------- */
.cmd-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:linear-gradient(180deg,rgba(6,17,15,.99) 0%,rgba(6,17,15,.95) 100%);
  border-bottom:1px solid var(--line-moss);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.cmd-header__row{position:relative;}
.cmd-header__inner{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:0 var(--gutter);
  min-height:48px;
  display:flex;align-items:center;gap:var(--s3);
  transition:min-height .2s ease;
}
.cmd-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-rice);}
.cmd-brand:hover{text-decoration:none;}
.cmd-brand__mark{
  font-family:var(--font-mono);font-weight:800;font-size:12px;letter-spacing:.1em;
  color:var(--ink-deep);background:var(--teal-signal);
  padding:5px 7px;
  clip-path:polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}
.cmd-brand__text{display:flex;flex-direction:column;line-height:1.12;white-space:nowrap;}
.cmd-brand__name{font-family:var(--font-serif);font-weight:600;font-size:15px;letter-spacing:.02em;color:var(--text-rice);}
.cmd-brand__sub{font-family:var(--font-mono);font-weight:700;font-size:9.5px;letter-spacing:.26em;color:var(--text-rock);}
.cmd-header__status{
  display:flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.04em;color:var(--text-rock);
  padding:5px 10px;
  border:1px solid var(--line-moss);
  background:rgba(14,42,36,.65);
  white-space:nowrap;
}
.cmd-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--teal-signal);
  animation:pulse 1.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(69,241,208,.5);}
  70%{box-shadow:0 0 0 6px rgba(69,241,208,0);}
  100%{box-shadow:0 0 0 0 rgba(69,241,208,0);}
}
.cmd-header__hint{
  margin-left:auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--text-rock);
  border:1px dashed var(--line-moss);
  padding:4px 9px;
  white-space:nowrap;
}
.cmd-toggle{
  display:none;
  margin-left:auto;
  align-items:center;gap:9px;
  padding:8px 12px;
  background:transparent;
  border:1px solid var(--line-moss);
  color:var(--text-rice);
  font-size:12px;font-weight:800;letter-spacing:.1em;
  cursor:pointer;
}
.cmd-toggle__bars{
  display:block;width:16px;height:10px;
  background:
    linear-gradient(var(--teal-signal),var(--teal-signal)) 0 0/16px 1.5px no-repeat,
    linear-gradient(var(--teal-signal),var(--teal-signal)) 0 4.25px/16px 1.5px no-repeat,
    linear-gradient(var(--teal-signal),var(--teal-signal)) 0 8.5px/11px 1.5px no-repeat;
}
.cmd-toggle[aria-expanded="true"]{border-color:var(--teal-signal);color:var(--teal-signal);}

.cmd-nav{
  border-top:1px solid var(--line-moss);
  background:rgba(9,33,29,.72);
}
.cmd-nav__list{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:0 var(--gutter);
  display:flex;align-items:stretch;
  overflow-x:auto;scrollbar-width:none;
}
.cmd-nav__list::-webkit-scrollbar{display:none;}
.cmd-nav__item{flex:0 0 auto;}
.cmd-nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:11px 15px;
  color:var(--text-rock);
  font-size:13.5px;font-weight:600;letter-spacing:.02em;
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}
.cmd-nav__link:hover{color:var(--text-rice);background:rgba(23,64,58,.55);text-decoration:none;}
.cmd-nav__idx{font-family:var(--font-mono);font-size:10px;font-weight:700;letter-spacing:.06em;color:var(--line-moss);}
.cmd-nav__link:hover .cmd-nav__idx{color:var(--text-rock);}
.cmd-nav__link[aria-current="page"]{
  color:var(--teal-signal);
  border-bottom-color:var(--teal-signal);
  background:linear-gradient(180deg,rgba(69,241,208,0) 0%,rgba(69,241,208,.09) 100%);
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx{color:var(--teal-signal);}
.cmd-nav__label{position:relative;}
.cmd-nav__link[aria-current="page"] .cmd-nav__label::after{
  content:"";display:inline-block;
  width:5px;height:5px;margin-left:7px;vertical-align:middle;
  border-radius:50%;background:var(--teal-signal);
}
.cmd-header.is-locked .cmd-header__inner{min-height:42px;}
.cmd-header.is-locked .cmd-header__status,
.cmd-header.is-locked .cmd-header__hint{display:none;}
.cmd-header.is-locked .cmd-nav__link{padding-block:8px;font-size:12.5px;}

/* ---------- 索引面板 ---------- */
.cmd-palette{
  position:fixed;inset:0;z-index:400;
  display:flex;align-items:flex-start;justify-content:center;
  padding:12vh var(--gutter) var(--gutter);
  background:rgba(9,33,29,.9);
}
.cmd-palette[hidden]{display:none;}
.cmd-palette__box{
  width:min(560px,100%);
  max-height:72vh;
  overflow-y:auto;
  background:var(--panel-locker);
  border:1px solid var(--line-moss);
  padding:var(--s3);
  clip-path:polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
.cmd-palette__label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--text-rock);
}
.cmd-palette__input{
  width:100%;margin-top:10px;
  padding:11px 13px;
  background:var(--bg-abyss);
  border:1px solid var(--line-moss);
  color:var(--text-rice);
  font-family:var(--font-mono);font-size:14px;
  outline:none;
  transition:border-color .18s ease;
}
.cmd-palette__input:focus{border-color:var(--teal-signal);}
.cmd-palette__input::placeholder{color:var(--text-rock);}
.cmd-palette__list{margin-top:var(--s2);}
.cmd-palette__link{
  display:flex;align-items:center;gap:12px;
  padding:11px 10px;
  color:var(--text-rice);font-size:14.5px;
  border-bottom:1px solid var(--line-moss);
}
.cmd-palette__link:hover,.cmd-palette__link:focus-visible{background:var(--line-moss);color:var(--teal-signal);text-decoration:none;}
.cmd-palette__no{font-family:var(--font-mono);font-size:11px;font-weight:700;color:var(--teal-signal);letter-spacing:.06em;}
.cmd-palette__text{flex:1;}
.cmd-palette__empty{padding:14px 10px;font-size:13px;color:var(--text-rock);}
.cmd-palette__foot{
  margin-top:var(--s2);padding-top:10px;border-top:1px solid var(--line-moss);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--text-rock);
}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:var(--s6);
  background:var(--ink-deep);
  border-top:1px solid var(--line-moss);
  color:var(--text-rock);
  font-size:14px;
}
.site-foot__inner{
  width:100%;max-width:var(--wrap);margin:0 auto;
  padding:var(--s5) var(--gutter) var(--s4);
}
.site-foot__grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:var(--s4);
}
.site-foot__mark{
  font-family:var(--font-serif);font-size:19px;font-weight:600;
  color:var(--text-rice);letter-spacing:.02em;
}
.site-foot__mark span{
  display:block;margin-top:7px;
  font-family:var(--font-mono);font-size:10.5px;font-weight:700;
  letter-spacing:.24em;color:var(--text-rock);
}
.site-foot__note{margin-top:var(--s2);max-width:38ch;line-height:1.85;font-size:13.5px;}
.site-foot__stamp{
  margin-top:var(--s2);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--text-rock);
}
.site-foot__title{
  font-family:var(--font-sans);font-size:11px;font-weight:800;
  letter-spacing:.18em;text-transform:uppercase;color:var(--teal-signal);
  padding-bottom:9px;margin-bottom:var(--s2);
  border-bottom:1px solid var(--line-moss);
}
.site-foot__list{display:flex;flex-direction:column;gap:10px;}
.site-foot__list a{color:var(--text-rice);font-size:14px;}
.site-foot__list a:hover{color:var(--teal-signal);}
.site-foot__contact{
  margin-top:var(--s4);padding-top:var(--s3);
  border-top:1px solid var(--line-moss);
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:var(--s2) var(--s4);
}
.site-foot__c{
  display:flex;gap:10px;
  font-size:13px;line-height:1.9;color:var(--text-rock);
}
.site-foot__c b{
  flex:0 0 42px;
  font-family:var(--font-mono);font-weight:700;font-size:10.5px;
  letter-spacing:.12em;color:var(--text-rock);
  padding-top:4px;
}
.site-foot__base{
  margin-top:var(--s4);padding-top:var(--s3);
  border-top:1px solid var(--line-moss);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--s2);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--text-rock);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .site-foot__grid{grid-template-columns:1.4fr 1fr 1fr;}
  .site-foot__brand{grid-column:1 / -1;}
}

@media (max-width:1000px){
  .grid-12{grid-template-columns:repeat(6,1fr);}
  .col-3,.col-4,.col-5{grid-column:span 3;}
  .col-6,.col-7,.col-8{grid-column:span 6;}
}

@media (max-width:900px){
  .cmd-header__inner{min-height:56px;gap:var(--s2);}
  .cmd-header__hint{display:none;}
  .cmd-toggle{display:inline-flex;}
  .cmd-header__status{font-size:11px;padding:4px 8px;}
  .cmd-nav{
    position:absolute;top:100%;left:0;right:0;
    border-top:1px solid var(--line-moss);
    background:var(--bg-abyss);
    visibility:hidden;opacity:0;
    transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .cmd-header[data-open] .cmd-nav{visibility:visible;opacity:1;transform:translateY(0);}
  .cmd-nav__list{
    flex-direction:column;
    max-height:calc(100vh - var(--hdr-h));
    overflow-y:auto;
    padding:var(--s2) var(--gutter) var(--s3);
  }
  .cmd-nav__link{
    width:100%;padding:13px 4px;font-size:15px;
    border-bottom:1px solid var(--line-moss);
  }
  .cmd-nav__link[aria-current="page"]{border-bottom-color:var(--teal-signal);}
  .cmd-header.is-locked .cmd-nav__link{padding-block:12px;font-size:15px;}
}

@media (max-width:760px){
  .site-foot__grid{grid-template-columns:1fr 1fr;gap:var(--s3);}
  .site-foot__brand{grid-column:1 / -1;}
  .site-foot__inner{padding-top:var(--s4);}
}

@media (max-width:640px){
  .grid-12{grid-template-columns:repeat(2,1fr);}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8{grid-column:span 2;}
  .cmd-header__status{display:none;}
  .site-foot__grid{grid-template-columns:1fr;}
  .site-foot__base{flex-direction:column;gap:8px;}
  .site-foot__c{flex-direction:column;gap:2px;}
  .site-foot__c b{flex:none;padding-top:0;}
  .cmd-palette{padding-top:8vh;}
}

@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;
  }
  .cmd-nav{transition:none;}
  .cmd-header[data-open] .cmd-nav{transform:none;}
}