/* ============ 旭博综合·中国坐标 / 共享站级样式 ============ */

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

:root{
  --deep:#0B1F3A;
  --deep-soft:#132C4F;
  --orange:#F26A2E;
  --orange-soft:#FF8A55;
  --green:#3BB273;
  --rock:#6E6A5F;
  --moss:#6F7F5C;
  --clay:#B5654A;
  --cream:#F5F0E6;
  --mist:#FBF8F2;
  --scale:#C9C2B5;
  --ink:#1A1A1A;

  --line:rgba(11,31,58,.14);
  --line-soft:rgba(11,31,58,.08);
  --line-light:rgba(245,240,230,.18);

  --radius:18px;
  --radius-sm:10px;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,48px);

  --font-head:'Noto Sans SC','Source Han Sans SC','PingFang SC',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-mono:'IBM Plex Mono','JetBrains Mono','Courier New',monospace;

  --ease:180ms cubic-bezier(.22,.61,.36,1);
}

html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.7;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}

/* 页面左缘刻度 */
body::after{
  content:"";
  position:fixed;
  inset:0 auto 0 0;
  width:7px;
  background-image:repeating-linear-gradient(180deg,rgba(11,31,58,.22) 0 1px,transparent 1px 15px);
  pointer-events:none;
  z-index:1;
}
@media (max-width:1024px){body::after{display:none}}

img,svg,video{max-width:100%;display:block}
h1,h2,h3,h4,h5{font-family:var(--font-head);line-height:1.16;letter-spacing:-.03em;margin:0;color:var(--deep)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
button{font:inherit}
[hidden]{display:none !important}

::selection{background:var(--orange);color:var(--deep)}

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

.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:200;
  padding:10px 18px;
  border-radius:6px;
  background:var(--orange);
  color:var(--deep);
  font-weight:700;
  font-size:14px;
  letter-spacing:.04em;
  transform:translateY(-160%);
  transition:transform var(--ease);
}
.skip-link:focus{transform:translateY(0)}

#main-content{display:block}
#main-content:focus{outline:none}

/* ============ 布局基础 ============ */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(36px,6vw,80px);position:relative}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.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:minmax(0,1.15fr) minmax(0,.85fr)}
.grid--asym{grid-template-columns:minmax(0,.42fr) minmax(0,1fr)}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--split,.grid--asym{grid-template-columns:minmax(0,1fr)}
}

/* ============ 排版组件 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--orange);
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor}

.section-title{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;
  margin:0 0 14px;
  color:var(--deep);
}
.section-lede{
  max-width:62ch;
  margin:0 0 24px;
  color:var(--rock);
  font-size:17px;
}

.vnote{
  display:inline-block;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--rock);
}
.vnote--orange{color:var(--orange)}

/* ============ 面板（堆叠画板） ============ */
.panel{
  position:relative;
  padding:clamp(20px,3vw,36px);
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--mist);
}
.panel__title{font-size:clamp(18px,2vw,24px);font-weight:700;margin:0 0 10px}
.panel--mist{background:var(--mist)}
.panel--deep{background:var(--deep);border-color:transparent;color:var(--cream)}
.panel--deep .panel__title,.panel--deep h2,.panel--deep h3{color:var(--cream)}
.panel--moss{background:rgba(111,127,92,.14);border-color:rgba(111,127,92,.34)}
.panel--clay{background:rgba(181,101,74,.12);border-color:rgba(181,101,74,.3)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-body);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.4;
  cursor:pointer;
  background:var(--mist);
  color:var(--deep);
  transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--orange);color:var(--deep)}
.btn--primary:hover{background:var(--orange-soft)}
.btn--dark{background:var(--deep);color:var(--cream)}
.btn--ghost{background:transparent;border-color:currentColor;color:inherit}
.btn--sm{padding:8px 16px;font-size:13.5px}

/* ============ 状态标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid;
  border-radius:4px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  line-height:1.7;
  white-space:nowrap;
}
.tag--ok{background:rgba(59,178,115,.16);border-color:rgba(59,178,115,.55);color:#1E6B47}
.tag--info{background:rgba(11,31,58,.08);border-color:rgba(11,31,58,.3);color:var(--deep)}
.tag--warn{background:rgba(242,106,46,.14);border-color:rgba(242,106,46,.5);color:#AD4517}
.tag--muted{background:rgba(110,106,95,.12);border-color:rgba(110,106,95,.35);color:#4E4A42}

/* ============ 面包屑 ============ */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 22px;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--rock);
}
.breadcrumbs__link{padding-bottom:1px;border-bottom:1px solid transparent;transition:color var(--ease),border-color var(--ease)}
.breadcrumbs__link:hover{color:var(--orange);border-color:currentColor}
.breadcrumbs__sep{color:var(--scale)}
.breadcrumbs__current{color:var(--deep);font-weight:600}

/* ============ 图片容器基础 ============ */
.figure{margin:0;display:grid;gap:10px}
.figure__frame{
  position:relative;
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--deep);
}
.figure__frame--wide{aspect-ratio:21/9}
.figure__frame--square{aspect-ratio:1/1}
.figure__frame--portrait{aspect-ratio:4/5}
.figure__frame img{width:100%;height:100%;object-fit:cover}
.figure__frame::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(245,240,230,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(245,240,230,.09) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
}
.figure__frame--plain::after{display:none}
.figure__caption{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;color:var(--rock)}

/* ============ 技能树式步骤列 ============ */
.steps{list-style:none;margin:0;padding:0;display:grid}
.step{
  display:grid;
  grid-template-columns:68px minmax(0,1fr);
  gap:16px;
  padding:18px 0;
  border-top:1px dashed rgba(11,31,58,.2);
}
.step:last-child{border-bottom:1px dashed rgba(11,31,58,.2)}
.step__no{
  font-family:var(--font-mono);
  font-size:15px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--orange);
  line-height:1.9;
}
.step__title{font-size:19px;font-weight:700;margin:0 0 6px;color:var(--deep)}
.step__text{margin:0;max-width:64ch;color:var(--rock);font-size:15.5px}
@media (max-width:640px){
  .step{grid-template-columns:44px minmax(0,1fr);gap:12px}
  .step__no{font-size:14px}
}

/* ============ 主题筛选 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:10px;
  margin:0 0 24px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--mist);
}
.filter-btn{
  padding:7px 16px;
  border:1px solid transparent;
  border-radius:999px;
  background:transparent;
  color:var(--rock);
  font-size:14px;
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.filter-btn:hover{background:rgba(11,31,58,.07);color:var(--deep)}
.filter-btn[aria-pressed="true"]{background:var(--deep);border-color:var(--deep);color:var(--cream)}
.filter-count{
  margin-left:auto;
  padding-right:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--rock);
}
.filter-empty{
  margin:0;
  padding:22px;
  border:1px dashed var(--line);
  border-radius:var(--radius-sm);
  color:var(--rock);
  font-size:15px;
}
[data-filter-item][hidden]{display:none}

/* ============ 头部 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--deep);
  color:var(--cream);
  border-bottom:1px solid var(--line-light);
}
.hdr-rail{border-bottom:1px solid rgba(245,240,230,.12)}
.hdr-rail__inner{
  display:flex;
  align-items:center;
  gap:14px;
  padding-block:7px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:rgba(245,240,230,.55);
}
.hdr-rail__coord{white-space:nowrap}
.hdr-rail__scale{
  flex:1 1 auto;
  min-width:40px;
  height:9px;
  background-image:
    repeating-linear-gradient(90deg,rgba(242,106,46,.8) 0 1px,transparent 1px 10px),
    repeating-linear-gradient(90deg,rgba(245,240,230,.38) 0 1px,transparent 1px 50px);
  background-size:auto 5px,auto 9px;
  background-position:0 bottom,0 bottom;
  background-repeat:repeat-x;
}
@media (max-width:600px){.hdr-rail__coord--end{display:none}}

.hdr-main{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 24px;
  padding-block:12px;
}

.hdr-brand{display:flex;align-items:center;gap:12px;color:var(--cream)}
.hdr-brand__mark{
  position:relative;
  display:grid;
  place-items:center;
  width:28px;
  height:28px;
  flex:0 0 auto;
  border:1.5px solid var(--orange);
  border-radius:3px;
}
.hdr-brand__mark::before,
.hdr-brand__mark::after{
  content:"";
  position:absolute;
  background:rgba(242,106,46,.55);
}
.hdr-brand__mark::before{left:50%;top:-5px;bottom:-5px;width:1px;transform:translateX(-.5px)}
.hdr-brand__mark::after{top:50%;left:-5px;right:-5px;height:1px;transform:translateY(-.5px)}
.hdr-brand__mark > span{width:6px;height:6px;border-radius:50%;background:var(--orange)}
.hdr-brand__text{display:grid;gap:2px}
.hdr-brand__name{
  font-family:var(--font-head);
  font-size:17px;
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
.hdr-brand__note{
  font-size:10.5px;
  letter-spacing:.2em;
  color:rgba(245,240,230,.58);
}
@media (max-width:700px){.hdr-brand__note{display:none}}

.hdr-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:8px 12px;
  border:1px solid rgba(245,240,230,.32);
  border-radius:6px;
  background:transparent;
  color:var(--cream);
  font-size:13px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:border-color var(--ease),color var(--ease);
}
.hdr-toggle:hover{border-color:var(--orange);color:var(--orange)}
.hdr-toggle__bars{display:flex;flex-direction:column;gap:4px;width:18px}
.hdr-toggle__bars span{height:2px;background:currentColor;transition:transform var(--ease),opacity var(--ease)}
.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars span:nth-child(2){opacity:0}
.hdr-toggle[aria-expanded="true"] .hdr-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.hdr-nav{margin-left:auto}
.hdr-nav__list{display:flex;align-items:center;gap:clamp(6px,1.4vw,22px);margin:0;padding:0;list-style:none}
.hdr-nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:6px 2px;
  color:rgba(245,240,230,.84);
  font-size:15px;
  transition:color var(--ease);
}
.hdr-nav__idx{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.08em;
  color:rgba(245,240,230,.42);
  transition:color var(--ease);
}
.hdr-nav__link:hover{color:#fff}
.hdr-nav__link:hover .hdr-nav__idx{color:var(--orange)}
.hdr-nav__link[aria-current="page"]{color:var(--orange);box-shadow:inset 0 -2px 0 var(--orange)}
.hdr-nav__link[aria-current="page"] .hdr-nav__idx{color:var(--orange)}

.hdr-nav__item--cta{margin-left:6px}
.hdr-nav__link--cta{
  padding:9px 18px;
  border-radius:999px;
  background:var(--orange);
  color:var(--deep);
  font-weight:700;
  box-shadow:none;
  transition:background-color var(--ease),transform var(--ease);
}
.hdr-nav__link--cta .hdr-nav__idx{color:rgba(11,31,58,.6)}
.hdr-nav__link--cta:hover{background:var(--orange-soft);color:var(--deep);transform:translateY(-1px)}
.hdr-nav__link--cta:hover .hdr-nav__idx{color:var(--deep)}
.hdr-nav__link--cta[aria-current="page"]{box-shadow:inset 0 0 0 2px var(--deep);color:var(--deep)}

@media (max-width:1120px){
  .hdr-nav__idx{display:none}
  .hdr-nav__link{font-size:14px}
}

@media (max-width:900px){
  .hdr-toggle{display:inline-flex}
  .hdr-brand{margin-right:0}
  .hdr-nav{
    display:none;
    flex:1 1 100%;
    order:3;
    margin:10px 0 4px;
    padding-top:10px;
    border-top:1px solid rgba(245,240,230,.16);
  }
  .site-header[data-open="true"] .hdr-nav{display:block}
  .hdr-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .hdr-nav__item{border-bottom:1px solid rgba(245,240,230,.1)}
  .hdr-nav__item:last-child{border-bottom:0}
  .hdr-nav__link{
    display:flex;
    align-items:center;
    gap:12px;
    padding:13px 6px;
    font-size:15.5px;
    box-shadow:none;
  }
  .hdr-nav__idx{display:inline;font-size:11.5px;color:var(--orange)}
  .hdr-nav__link[aria-current="page"]{
    color:var(--orange);
    box-shadow:none;
    border-left:3px solid var(--orange);
    padding-left:12px;
    background:rgba(242,106,46,.08);
  }
  .hdr-nav__item--cta{margin:12px 0 6px;border-bottom:0}
  .hdr-nav__link--cta{justify-content:center;padding:13px 18px;color:var(--deep)}
  .hdr-nav__link--cta .hdr-nav__idx{color:rgba(11,31,58,.6)}
}

.hdr-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:0 50%;
  opacity:0;
  transition:transform 120ms linear,opacity var(--ease);
  pointer-events:none;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--deep);
  color:var(--cream);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(245,240,230,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(245,240,230,.055) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.ftr-rail{
  position:relative;
  height:11px;
  border-top:1px solid rgba(245,240,230,.2);
  background-image:repeating-linear-gradient(90deg,rgba(242,106,46,.9) 0 2px,transparent 2px 32px);
}
.ftr-main{
  position:relative;
  padding-block:clamp(30px,5vw,60px) clamp(22px,3vw,34px);
}

.ftr-head{
  display:grid;
  gap:10px;
  padding-bottom:clamp(20px,3vw,30px);
  border-bottom:1px solid rgba(245,240,230,.16);
}
.ftr-brand{
  margin:0;
  font-family:var(--font-head);
  font-size:clamp(18px,2.2vw,25px);
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--cream);
}
.ftr-summary{
  margin:0;
  max-width:58ch;
  font-size:15px;
  color:rgba(245,240,230,.72);
}

.ftr-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.35fr);
  gap:clamp(20px,3vw,44px);
  padding-block:clamp(22px,3.4vw,38px);
}
.ftr-col__title{
  margin:0 0 14px;
  padding-left:10px;
  border-left:2px solid var(--orange);
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:.18em;
  color:rgba(245,240,230,.62);
}
.ftr-list{margin:0;padding:0;list-style:none}
.ftr-link{
  display:block;
  padding:7px 0;
  font-size:15px;
  color:rgba(245,240,230,.9);
  transition:color var(--ease),padding-left var(--ease);
}
.ftr-link:hover{color:var(--orange);padding-left:5px}

.ftr-list--contact{display:grid;gap:2px}
.ftr-contact__row{
  display:grid;
  grid-template-columns:48px minmax(0,1fr);
  gap:10px;
  padding:5px 0;
  font-size:14px;
}
.ftr-contact__key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(245,240,230,.45);
  padding-top:3px;
}
.ftr-contact__val{color:rgba(245,240,230,.92);word-break:break-word}
.ftr-note{
  margin:12px 0 0;
  max-width:46ch;
  font-size:12.5px;
  line-height:1.75;
  color:rgba(245,240,230,.55);
}

.ftr-legend{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  margin:0;
  padding:16px 0;
  list-style:none;
  border-top:1px solid rgba(245,240,230,.16);
  border-bottom:1px solid rgba(245,240,230,.16);
  font-size:13px;
  letter-spacing:.06em;
  color:rgba(245,240,230,.7);
}
.ftr-legend__item{display:inline-flex;align-items:center;gap:8px}
.ftr-legend__dot{width:10px;height:10px;border-radius:2px;background:var(--scale)}
.ftr-legend__dot--ok{background:var(--green)}
.ftr-legend__dot--warn{background:var(--orange)}
.ftr-legend__dot--info{background:transparent;border:1px solid var(--scale)}
.ftr-legend__dot--muted{background:var(--rock)}

.ftr-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-top:16px;
  font-size:13px;
  color:rgba(245,240,230,.58);
}
.ftr-icp{margin:0;font-family:var(--font-mono);letter-spacing:.06em}
.ftr-copy{margin:0}

@media (max-width:1000px){
  .ftr-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .ftr-grid{grid-template-columns:minmax(0,1fr)}
  .ftr-bottom{justify-content:flex-start}
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.filter-btn:hover{transform:none}
}