/* ============================================================
   victory-dongying.com.cn — /assets/site.css
   共享外壳：reset / CSS 变量 / 中文排版 / 报头 / 页脚 / 通用组件
   ============================================================ */

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{max-width:100%;height:auto;display:block;}
a{color:inherit;}
button{font:inherit;color:inherit;background:none;border:0;}
table{border-collapse:collapse;}

:root{
  --bg:#0B0F14;
  --panel:#121A23;
  --panel-2:#0E151C;
  --line:#2A3642;
  --moss:#3F5A4C;
  --clay:#B4674A;
  --ink:#EDE9DE;
  --cyan:#46E3C4;
  --magenta:#E63E7C;
  --amber:#E5A93C;
  --faint:#93A3B0;

  --clay-lift:#E0A488;
  --moss-lift:#A9C5B6;

  --shell:min(1320px,100% - 44px);
  --gap:16px;
  --dur:420ms;
  --ease:cubic-bezier(.22,.61,.36,1);

  /* 四级字号：1.0 : 0.72 : 0.5 : 0.32 比例关系 */
  --fs-1:clamp(2.1rem,5.4vw,3.75rem);
  --fs-2:clamp(1.32rem,3vw,2rem);
  --fs-3:clamp(.95rem,1.1vw,1.08rem);
  --fs-4:clamp(.7rem,.9vw,.8rem);

  --font-serif:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC",Georgia,serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Roboto Mono","Courier New",monospace;
}

body{
  min-height:100vh;
  background-color:var(--bg);
  background-image:
    linear-gradient(to right, rgba(42,54,66,.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42,54,66,.30) 1px, transparent 1px),
    radial-gradient(1100px 560px at 8% -12%, rgba(70,227,196,.10), transparent 62%),
    radial-gradient(900px 520px at 102% 4%, rgba(230,62,124,.09), transparent 58%),
    linear-gradient(180deg, rgba(63,90,76,.14), transparent 40%);
  background-size:96px 96px, 96px 96px, auto, auto, auto;
  background-attachment:fixed;
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:var(--fs-3);
  line-height:1.75;
  font-variant-numeric:tabular-nums;
}

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

.container{width:var(--shell);margin-inline:auto;}

/* ---------- 文字层级 ---------- */
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--faint);
}
.lede{font-size:var(--fs-3);color:var(--faint);max-width:64ch;}
.hr-rule{height:1px;background:var(--line);border:0;margin-block:clamp(24px,4vw,44px);}

.section{padding-block:clamp(42px,7vw,84px);}
.section--tight{padding-block:clamp(24px,4vw,42px);}
.section__head{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  margin-bottom:clamp(16px,2.4vw,26px);
}
.section__title{
  font-family:var(--font-sans);
  font-weight:800;
  font-size:var(--fs-2);
  line-height:1.24;
  letter-spacing:-.012em;
}
.section__title--serif{font-family:var(--font-serif);font-weight:800;letter-spacing:.02em;}

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:fixed;top:0;left:50%;
  transform:translate(-50%,-160%);
  z-index:300;
  padding:10px 20px;
  background:var(--cyan);
  color:#04120F;
  font-size:var(--fs-4);
  letter-spacing:.1em;
  text-decoration:none;
  transition:transform 160ms ease;
}
.skip-link:focus{transform:translate(-50%,0);}

/* ============================================================
   报头：居中刊头 + 其下横向栏目
   ============================================================ */
.masthead{
  position:sticky;top:0;z-index:60;
  background:linear-gradient(180deg, rgba(11,15,20,.97), rgba(11,15,20,.86));
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;
  width:100%;height:2px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--amber),var(--clay),var(--magenta));
  pointer-events:none;
}
.masthead__inner{
  width:var(--shell);
  margin-inline:auto;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  grid-template-areas:
    "stamp plate actions"
    "nav nav nav";
  align-items:center;
  column-gap:18px;
  padding-block:20px 0;
}
.masthead__stamp{
  grid-area:stamp;
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.2em;
  color:var(--faint);
}
.masthead__pulse{
  width:7px;height:7px;
  background:var(--magenta);
  animation:mh-pulse 2.6s ease-out infinite;
}
@keyframes mh-pulse{
  0%{box-shadow:0 0 0 0 rgba(230,62,124,.6);}
  70%{box-shadow:0 0 0 9px rgba(230,62,124,0);}
  100%{box-shadow:0 0 0 0 rgba(230,62,124,0);}
}
.masthead__plate{grid-area:plate;justify-self:center;}
.masthead__actions{
  grid-area:actions;justify-self:end;
  display:flex;gap:10px;flex-wrap:wrap;
}

/* 品牌 */
.brand{display:inline-block;text-decoration:none;color:inherit;}
.brand__name{
  display:block;
  font-family:var(--font-serif);
  font-weight:800;
  font-size:var(--fs-1);
  line-height:1.02;
  letter-spacing:.05em;
  transform:rotate(-1.4deg);
  text-shadow:2px 2px 0 rgba(70,227,196,.16), -1px -1px 0 rgba(230,62,124,.14);
}
.brand__note{
  display:block;
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.3em;
  color:var(--faint);
  text-align:center;
}
.brand--stacked .brand__note{text-align:left;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 16px;
  font-size:var(--fs-4);
  letter-spacing:.14em;
  text-decoration:none;
  border:1px solid var(--line);
  border-left-width:3px;
  background:var(--panel);
  color:var(--ink);
  transition:background 200ms ease,border-color 200ms ease,color 200ms ease,transform 200ms ease;
}
.btn:hover{transform:translateY(-1px);}
.btn--primary{
  color:var(--amber);
  border-color:rgba(229,169,60,.55);
  border-left-color:var(--amber);
  background:linear-gradient(100deg, rgba(229,169,60,.18), rgba(229,169,60,.04));
}
.btn--primary:hover{
  border-color:var(--amber);
  background:linear-gradient(100deg, rgba(229,169,60,.3), rgba(229,169,60,.08));
}
.btn--ghost{
  color:var(--cyan);
  border-color:rgba(70,227,196,.42);
  border-left-color:var(--cyan);
  background:linear-gradient(100deg, rgba(70,227,196,.12), rgba(70,227,196,.02));
}
.btn--ghost:hover{
  border-color:var(--cyan);
  background:linear-gradient(100deg, rgba(70,227,196,.22), rgba(70,227,196,.05));
}

/* 移动栏目按钮 */
.nav-toggle{
  grid-area:toggle;
  display:none;
  align-items:center;gap:9px;
  padding:8px 12px;
  border:1px solid var(--line);
  background:var(--panel);
  color:var(--ink);
  font-size:var(--fs-4);
  letter-spacing:.16em;
  cursor:pointer;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px;}
.nav-toggle__bars span{display:block;height:2px;background:var(--cyan);transition:background 180ms ease;}
.nav-toggle[aria-expanded="true"]{border-color:var(--magenta);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span{background:var(--magenta);}

/* 主导航 */
.primary-nav{grid-area:nav;border-top:1px solid var(--line);margin-top:18px;}
.primary-nav__list{display:flex;flex-wrap:wrap;justify-content:center;gap:4px;}
.primary-nav__item{display:block;}
.primary-nav__link{
  position:relative;display:block;
  padding:11px 18px;
  font-size:var(--fs-3);
  letter-spacing:.1em;
  color:var(--faint);
  text-decoration:none;
  white-space:nowrap;
  transition:color 200ms ease,background 200ms ease,box-shadow 200ms ease;
}
.primary-nav__link:hover{color:var(--ink);background:rgba(70,227,196,.08);}
.primary-nav__link[aria-current="page"]{
  color:var(--ink);
  background:linear-gradient(180deg, rgba(230,62,124,.22), rgba(230,62,124,0));
  box-shadow:inset 0 -2px 0 var(--magenta);
}

/* 滚动超过 320px 后收为细条 */
.masthead[data-collapsed] .masthead__inner{padding-block:8px 0;}
.masthead[data-collapsed] .brand__name{font-size:var(--fs-2);transform:none;}
.masthead[data-collapsed] .brand__note{display:none;}
.masthead[data-collapsed] .masthead__stamp{opacity:.7;}
.masthead[data-collapsed] .primary-nav{margin-top:8px;}
.masthead[data-collapsed] .primary-nav__link{padding-block:8px;}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  background:linear-gradient(180deg,#0E151C,#0A0E13 72%);
  border-top:1px solid var(--line);
  color:var(--ink);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--amber),var(--clay),var(--magenta));
  opacity:.9;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1.6fr;
  gap:clamp(22px,3vw,42px);
  padding-block:clamp(40px,5vw,64px) clamp(28px,3vw,42px);
}
.footer__brand .brand__name{font-size:clamp(1.5rem,2.4vw,2rem);transform:none;letter-spacing:.06em;}
.footer__brand .brand__note{letter-spacing:.2em;margin-top:6px;}
.footer__brief{margin-top:14px;color:var(--faint);max-width:34ch;}
.footer__region{
  display:inline-block;margin-top:16px;
  padding:4px 10px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.16em;
  color:var(--faint);
  border:1px solid var(--moss);
  background:rgba(63,90,76,.22);
}
.footer__title{
  padding-bottom:10px;margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  font-weight:400;
  letter-spacing:.22em;
  color:var(--faint);
  border-bottom:1px solid var(--line);
}
.footer__list{display:flex;flex-direction:column;gap:10px;}
.footer__link{
  font-size:var(--fs-3);
  color:var(--ink);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color 180ms ease,border-color 180ms ease;
}
.footer__link:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.footer__meta{display:flex;gap:9px;flex-wrap:wrap;font-size:var(--fs-4);line-height:1.7;color:var(--faint);}
.footer__meta-key{
  font-family:var(--font-mono);
  letter-spacing:.12em;
  color:var(--faint);
  opacity:.72;
}
.footer__meta .mono{color:var(--ink);word-break:break-all;}
.footer__note{margin-top:16px;font-size:var(--fs-4);line-height:1.7;color:var(--faint);}
.footer__base{
  border-top:1px solid var(--line);
  background:rgba(11,15,20,.62);
  padding-block:18px;
}
.footer__base-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.footer__copy{font-size:var(--fs-4);color:var(--faint);}
.footer__legal{display:flex;gap:18px;flex-wrap:wrap;font-size:var(--fs-4);}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,2.4vw,28px);
  bottom:clamp(14px,2.4vw,28px);
  z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 14px;
  cursor:pointer;
  font-size:var(--fs-4);
  letter-spacing:.16em;
  color:var(--cyan);
  background:rgba(18,26,35,.94);
  border:1px solid rgba(70,227,196,.45);
  border-left:3px solid var(--cyan);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity 260ms ease,transform 260ms ease,visibility 260ms ease,background 200ms ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:rgba(70,227,196,.16);}
.to-top__arrow{font-family:var(--font-mono);}

/* ============================================================
   通用组件
   ============================================================ */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  padding:clamp(16px,2vw,26px);
}
.panel--quiet{background:var(--panel-2);}
.panel--clay{border-top:3px solid var(--clay);}
.panel--moss{border-top:3px solid var(--moss);}
.panel--amber{border-top:3px solid var(--amber);}
.panel--cyan{border-top:3px solid var(--cyan);}

.tag{
  display:inline-block;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.16em;
  border:1px solid var(--line);
  color:var(--faint);
}
.tag--cyan{color:var(--cyan);border-color:rgba(70,227,196,.5);background:rgba(70,227,196,.1);}
.tag--clay{color:var(--clay-lift);border-color:rgba(180,103,74,.7);background:rgba(180,103,74,.16);}
.tag--moss{color:var(--moss-lift);border-color:rgba(63,90,76,.9);background:rgba(63,90,76,.28);}
.tag--amber{color:var(--amber);border-color:rgba(229,169,60,.5);background:rgba(229,169,60,.1);}

.stat{display:flex;flex-direction:column;gap:6px;}
.stat__label{
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.18em;
  color:var(--faint);
}
.stat__value{
  font-family:var(--font-mono);
  font-size:var(--fs-2);
  line-height:1.1;
  color:var(--amber);
}

.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:var(--gap);
}
.bento__cell{grid-column:span 12;min-width:0;}
@media (min-width:720px){
  .bento__cell--span-4{grid-column:span 4;}
  .bento__cell--span-6{grid-column:span 6;}
  .bento__cell--span-8{grid-column:span 8;}
}
@media (min-width:1040px){
  .bento__cell--span-3{grid-column:span 3;}
}

.data-table{
  width:100%;
  border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.data-table th,
.data-table td{
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
  border-bottom:1px solid var(--line);
}
.data-table thead th{
  background:var(--panel);
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  font-weight:400;
  letter-spacing:.14em;
  color:var(--faint);
}
.data-table tbody tr{transition:background 180ms ease;}
.data-table tbody tr:hover{background:rgba(70,227,196,.07);}
.data-table td.mono,
.data-table [data-price]{font-family:var(--font-mono);color:var(--amber);}

.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:var(--fs-4);
  color:var(--faint);
}
.breadcrumb a{
  color:var(--faint);
  text-decoration:none;
  border-bottom:1px dotted var(--line);
}
.breadcrumb a:hover{color:var(--cyan);border-bottom-color:var(--cyan);}
.breadcrumb [aria-current="page"]{color:var(--ink);}
.breadcrumb__sep{color:var(--line);}

/* 图片容器基础规则（页面阶段放入 img 占位） */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  background:linear-gradient(140deg,#151E27,#0B1117);
}
.media-frame--wide{aspect-ratio:21 / 9;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame > img,
.media-frame > video,
.media-frame > picture > img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.media-frame::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  background:
    linear-gradient(125deg, rgba(70,227,196,.16), transparent 48%),
    linear-gradient(305deg, rgba(230,62,124,.14), transparent 52%);
  mix-blend-mode:screen;
}
.media-frame__caption{
  position:absolute;left:0;bottom:0;right:0;
  padding:10px 14px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.12em;
  color:var(--ink);
  background:linear-gradient(0deg, rgba(11,15,20,.92), transparent);
}

/* 长内容页的章节目录轨道 */
.section-nav{
  position:sticky;
  top:120px;
  padding:14px 0;
}
.section-nav__list{display:flex;flex-direction:column;gap:2px;}
.section-nav__link{
  display:block;
  padding:8px 12px;
  font-family:var(--font-mono);
  font-size:var(--fs-4);
  letter-spacing:.1em;
  color:var(--faint);
  text-decoration:none;
  border-left:2px solid var(--line);
  transition:color 180ms ease,border-color 180ms ease,background 180ms ease;
}
.section-nav__link:hover{color:var(--ink);}
.section-nav__link[aria-current="true"]{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:linear-gradient(90deg, rgba(70,227,196,.16), transparent);
}

/* 入场渐显协议 */
html.js [data-reveal]{opacity:0;transform:translateY(16px);}
html.js [data-reveal].is-visible{
  opacity:1;transform:none;
  transition:opacity var(--dur) ease, transform var(--dur) var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}

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

@media (max-width:900px){
  .masthead__inner{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "plate toggle"
      "nav nav";
    padding-block:14px 10px;
    column-gap:12px;
  }
  .masthead__stamp,
  .masthead__actions{display:none;}
  .masthead__plate{justify-self:start;}
  .brand__note{text-align:left;letter-spacing:.18em;margin-top:6px;}
  .nav-toggle{display:inline-flex;justify-self:end;}
  .primary-nav{display:none;margin-top:12px;}
  .masthead[data-open] .primary-nav{display:block;}
  .primary-nav__list{flex-direction:column;gap:0;}
  .primary-nav__link{
    padding:14px;
    border-bottom:1px solid var(--line);
    border-left:3px solid transparent;
    white-space:normal;
  }
  .primary-nav__link:hover{background:rgba(70,227,196,.07);}
  .primary-nav__link[aria-current="page"]{
    background:linear-gradient(90deg, rgba(230,62,124,.2), rgba(230,62,124,0));
    box-shadow:none;
    border-left-color:var(--magenta);
  }
  .masthead[data-collapsed] .brand__note{display:none;}
  .masthead[data-collapsed] .brand__name{font-size:1.42rem;}
  .section-nav{position:static;top:auto;}
}

@media (max-width:820px){
  .footer__grid{
    grid-template-columns:1fr 1fr;
    gap:26px 20px;
  }
  .footer__brand,
  .footer__contact{grid-column:1 / -1;}
}

@media (max-width:640px){
  :root{--shell:min(1320px,100% - 28px);--gap:12px;}
  .brand__name{font-size:clamp(1.5rem,7.2vw,2.05rem);}
  .bento__cell--span-4,
  .bento__cell--span-6,
  .bento__cell--span-8{grid-column:span 12;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__base-inner{flex-direction:column;align-items:flex-start;}
  .footer__legal{gap:14px;}
  .to-top{right:12px;bottom:12px;padding:9px 12px;}
}

/* ============================================================
   动效偏好
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
  }
  .masthead__pulse{animation:none;box-shadow:0 0 0 3px rgba(230,62,124,.28);}
  html.js [data-reveal]{opacity:1 !important;transform:none !important;}
}