/* =========================================================
   摆脱娱乐站 · 共享样式表 /assets/site.css
   1 重置 / 2 变量 / 3 基础排版 / 4 布局 / 5 组件 / 6 页头 / 7 页脚 / 8 响应式
   ========================================================= */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,dl,dt,dd,figure,blockquote,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;border-spacing:0;width:100%}
[hidden]{display:none !important}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#111318;
  --graphite:#2A2F3A;
  --cyan:#18E0C8;
  --cyan-deep:#0E9A8C;
  --cyan-soft:#B8F5EC;
  --amber:#F4B740;
  --amber-soft:#FCE6B8;
  --paper:#F5F5F0;
  --paper-2:#E8E8E0;
  --red:#D94F4F;
  --green:#2FA36B;
  --line:rgba(17,19,24,.14);
  --line-strong:rgba(17,19,24,.34);
  --on-ink:rgba(245,245,240,.86);
  --on-ink-soft:rgba(245,245,240,.56);
  --shell:1280px;
  --gut:24px;
  --cut:14px;
  --rail:224px;
  --dur:280ms;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:system-ui,-apple-system,"Noto Sans SC","PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono","IBM Plex Mono",Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(to bottom,rgba(42,47,58,.035) 0 1px,transparent 1px 34px);
  min-height:100vh;
}
h1,h2,h3,h4{font-family:var(--font-display);font-stretch:88%;line-height:1.12;letter-spacing:-.005em}
h1{font-size:clamp(40px,6.4vw,88px);font-weight:300;letter-spacing:-.02em}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:300}
h3{font-size:clamp(20px,2.2vw,26px);font-weight:700}
h4{font-size:17px;font-weight:700;letter-spacing:.04em}
p{max-width:74ch}
strong,b{font-weight:700}
.type-hero{font-family:var(--font-display);font-stretch:88%;font-size:clamp(48px,8vw,120px);font-weight:300;line-height:.98;letter-spacing:-.02em}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.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}
:focus-visible{outline:2px solid var(--cyan-deep);outline-offset:2px}
.site-footer :focus-visible{outline-color:var(--cyan)}

/* ---------- 4. 布局 ---------- */
.shell{width:min(100% - 40px,var(--shell));margin-inline:auto}
.section{padding-block:clamp(44px,6vw,84px)}
.section--tight{padding-block:clamp(28px,3.4vw,46px)}
.section--soft{background:var(--paper-2)}
.section--ink{background:var(--ink);color:var(--on-ink)}
.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}
.grid{display:grid;gap:var(--gut);grid-template-columns:repeat(12,minmax(0,1fr))}
.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-9{grid-column:span 9}
.col-12{grid-column:span 12}
.layout-rail{display:grid;grid-template-columns:minmax(0,1fr) var(--rail);gap:clamp(24px,4vw,48px);align-items:start}
.layout-rail--flip{grid-template-columns:var(--rail) minmax(0,1fr)}
.rail-sticky{position:sticky;top:96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:28px}
.section-head__title{font-size:clamp(24px,3vw,36px)}
.eyebrow{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--graphite);margin-bottom:8px}
.lead{font-size:18px;color:var(--graphite);max-width:70ch}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12.5px;color:var(--graphite);padding-block:14px}
.crumbs__item{font-family:var(--font-mono)}
.crumbs__sep{color:var(--graphite);opacity:.6}

/* ---------- 5. 组件 ---------- */
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;font-size:14.5px;font-weight:500;letter-spacing:.08em;background:var(--paper-2);color:var(--ink);clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--primary{background:var(--amber);color:var(--ink)}
.btn--primary:hover{background:#FFC960}
.btn--cyan{background:var(--cyan);color:var(--ink)}
.btn--cyan:hover{background:#4BEDD9}
.btn--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-strong)}
.btn--ghost:hover{background:var(--ink);color:var(--paper);box-shadow:none}

/* 标签 / 角标 */
.tag{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;font-size:11.5px;letter-spacing:.08em;border:1px solid currentColor;clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px)}
.tag--cyan{color:var(--cyan-deep);background:rgba(24,224,200,.12)}
.tag--amber{color:#8A5B00;background:rgba(244,183,64,.18)}
.tag--muted{color:var(--graphite);background:rgba(42,47,58,.06)}
.slant{display:inline-block;padding:4px 12px;background:var(--ink);color:var(--cyan);font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;transform:skewX(-10deg)}

/* 注释 / 高亮 */
.note{font-size:12.5px;line-height:1.7;color:var(--graphite);border-left:2px solid var(--cyan);padding-left:10px;max-width:64ch}
.note--amber{border-left-color:var(--amber)}
.note--red{border-left-color:var(--red)}
.hl{background:linear-gradient(to top,var(--cyan-soft) 42%,transparent 42%);padding:0 2px}
.hl--amber{background:linear-gradient(to top,var(--amber-soft) 42%,transparent 42%)}

/* 面板 */
.panel{background:#fff;border:1px solid var(--line);padding:clamp(18px,2.4vw,28px)}
.panel--cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));border:0}
.panel--soft{background:var(--paper-2);border-color:transparent}
.panel--ink{background:var(--ink);border-color:transparent;color:var(--on-ink)}
.panel--ink h3,.panel--ink h2{color:#fff}
.panel--amber{background:var(--amber-soft);border-color:transparent}
.panel--cyan{background:var(--cyan-soft);border-color:transparent}

/* 批注栏 */
.rail{border-left:2px solid var(--cyan);padding-left:14px}
.rail__title{font-family:var(--font-body);font-size:12px;font-weight:400;letter-spacing:.2em;color:var(--graphite);margin-bottom:12px}
.rail__list li{border-bottom:1px dashed var(--line)}
.rail__list a{display:flex;gap:10px;padding:8px 0;font-size:13.5px;color:var(--graphite);transition:color var(--dur) var(--ease)}
.rail__list a:hover{color:var(--ink)}
.rail__list a[aria-current="true"]{color:var(--ink);font-weight:700;border-bottom:1px solid var(--cyan)}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:#fff}
.data-table{font-size:14.5px;min-width:560px}
.data-table caption{text-align:left;font-size:12.5px;color:var(--graphite);padding:12px 14px;border-bottom:1px solid var(--line)}
.data-table th,.data-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.data-table thead th{position:sticky;top:0;z-index:1;background:var(--ink);color:var(--paper);font-family:var(--font-body);font-size:12.5px;font-weight:500;letter-spacing:.12em}
.data-table tbody tr:nth-child(even){background:var(--paper-2)}
.data-table tbody tr:hover{background:var(--cyan-soft)}
.data-table .num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;text-align:right}

/* 数据图容器（页面阶段放置本地 SVG 或数据图形） */
.figure{margin:0}
.figure__frame{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--line);background-color:var(--paper-2);background-image:linear-gradient(135deg,rgba(17,19,24,.07),rgba(17,19,24,0) 62%),repeating-linear-gradient(90deg,rgba(17,19,24,.07) 0 1px,transparent 1px 32px),repeating-linear-gradient(0deg,rgba(17,19,24,.07) 0 1px,transparent 1px 32px)}
.figure__frame>img,.figure__frame>svg,.figure__frame>picture{width:100%;height:100%;object-fit:cover}
.figure--wide .figure__frame{aspect-ratio:21/9}
.figure--4x3 .figure__frame{aspect-ratio:4/3}
.figure--1x1 .figure__frame{aspect-ratio:1/1}
.figure__badge{position:absolute;left:0;top:0;z-index:2;padding:4px 10px;background:var(--ink);color:var(--cyan);font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em}
.figure__caption{margin-top:8px;font-size:12.5px;color:var(--graphite);border-left:2px solid var(--cyan);padding-left:8px}

/* 标签页 */
.tabs__list{display:flex;flex-wrap:wrap;border-bottom:2px solid var(--ink)}
.tabs__btn{padding:10px 16px;font-size:14px;letter-spacing:.06em;color:var(--graphite);transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.tabs__btn:hover{background:var(--paper-2);color:var(--ink)}
.tabs__btn[aria-selected="true"]{background:var(--ink);color:var(--cyan)}
.tabs__panel{padding-top:20px}

/* 手风琴 */
.acc{border-bottom:1px solid var(--line);background:transparent}
.acc__summary{display:flex;align-items:center;gap:12px;padding:16px 4px;font-size:16px;cursor:pointer;list-style:none}
.acc__summary::-webkit-details-marker{display:none}
.acc__summary::before{content:"";flex:0 0 auto;width:8px;height:8px;background:var(--amber);transform:rotate(45deg);transition:transform var(--dur) var(--ease),background var(--dur) var(--ease)}
.acc[open] .acc__summary::before{transform:rotate(135deg);background:var(--cyan)}
.acc__body{padding:0 4px 18px 24px;font-size:15px;color:var(--graphite)}

/* 显现与回到顶部 */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity 380ms var(--ease),transform 380ms var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
.to-top{position:fixed;right:18px;bottom:18px;z-index:90;display:none;width:46px;height:46px;align-items:center;justify-content:center;background:var(--ink);color:var(--cyan);font-family:var(--font-mono);font-size:15px;border:1px solid rgba(24,224,200,.45);clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.to-top[data-visible]{display:inline-flex}

/* ---------- 6. 页头 ---------- */
.site-header{position:relative;z-index:60}
.skip-link{position:absolute;left:16px;top:-70px;z-index:200;padding:10px 16px;background:var(--ink);color:#fff;font-size:14px;transition:top 160ms var(--ease)}
.skip-link:focus{top:12px}

.header-strip{background:var(--ink);color:var(--on-ink);border-bottom:3px solid var(--cyan)}
.header-strip__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding-block:6px;font-size:12.5px}
.header-strip__meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;max-width:none}
.header-strip__meta--end{justify-content:flex-end;color:var(--on-ink-soft)}
.header-strip__sep{width:28px;height:1px;background:rgba(245,245,240,.3)}

.masthead{background:var(--paper);border-bottom:1px solid var(--line)}
.masthead__inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding-block:20px 18px}
.masthead__edition{font-size:12px;letter-spacing:.14em;color:var(--graphite);max-width:none}
.masthead__brand{display:block;text-align:center}
.masthead__name{display:block;font-family:var(--font-display);font-stretch:88%;font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1;letter-spacing:.1em;color:var(--ink);transition:color var(--dur) var(--ease)}
.masthead__brand:hover .masthead__name{color:var(--cyan-deep)}
.masthead__tagline{display:block;margin-top:9px;font-size:12.5px;letter-spacing:.26em;color:var(--graphite)}
.masthead__tagline::after{content:"";display:block;width:44px;height:2px;margin:9px auto 0;background:var(--amber)}
.masthead__aside{display:flex;justify-content:flex-end}

.mainnav{position:sticky;top:0;z-index:70;background:rgba(245,245,240,.96);backdrop-filter:blur(6px);border-bottom:2px solid var(--ink)}
.mainnav__inner{position:relative;display:flex;align-items:center;justify-content:center;gap:18px;min-height:58px;flex-wrap:wrap}
.mainnav__list{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:2px}
.mainnav__list a{display:block;padding:10px 14px;font-size:15px;letter-spacing:.06em;color:var(--graphite);border-bottom:2px solid transparent;transition:color var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.mainnav__list a:hover{color:var(--ink);background:var(--cyan-soft)}
.mainnav__list a[aria-current="page"]{color:var(--ink);font-weight:700;background:var(--cyan-soft);border-bottom-color:var(--cyan)}
.mainnav__hint{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:11.5px;letter-spacing:.06em;color:var(--graphite);max-width:none}
.navtoggle{display:none;align-items:center;gap:10px;padding:9px 13px;font-size:14px;letter-spacing:.08em;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-strong);clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px)}
.navtoggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.navtoggle__bars span{display:block;height:2px;background:currentColor;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease)}
.navtoggle__bars span:nth-child(2){width:70%}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(2){opacity:0}
.navtoggle[aria-expanded="true"] .navtoggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.scroll-meter{position:absolute;left:0;right:0;bottom:-2px;height:2px;pointer-events:none}
.scroll-meter__bar{display:block;width:0;height:100%;background:var(--amber);transition:width 120ms linear}

/* ---------- 7. 页脚 ---------- */
.site-footer{margin-top:clamp(48px,7vw,88px);background:var(--ink);color:var(--on-ink);border-top:3px solid var(--cyan)}
.footer__gauge{height:9px;background-image:repeating-linear-gradient(90deg,rgba(245,245,240,.22) 0 1px,transparent 1px 14px)}
.footer__inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.6fr;gap:40px 32px;padding-block:52px 36px}
.footer__brand{max-width:34ch}
.footer__name{font-family:var(--font-display);font-stretch:88%;font-size:26px;font-weight:700;letter-spacing:.1em;color:#fff}
.footer__tagline{margin-top:8px;font-size:13px;letter-spacing:.16em;color:var(--cyan)}
.footer__edition{margin-top:14px;padding-left:8px;border-left:2px solid var(--amber);font-size:12px;color:var(--on-ink-soft)}
.footer__col{min-width:0}
.footer__title{font-family:var(--font-body);font-size:12.5px;font-weight:400;letter-spacing:.2em;color:var(--on-ink-soft);margin-bottom:14px}
.footer__list li+li{margin-top:9px}
.footer__list a{display:inline-block;padding-bottom:2px;font-size:14.5px;color:var(--on-ink);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.footer__list a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.footer__contact dt{margin-top:14px;font-size:11.5px;letter-spacing:.16em;color:var(--on-ink-soft)}
.footer__contact dt:first-child{margin-top:0}
.footer__contact dd{font-size:14px;line-height:1.6;color:var(--on-ink);word-break:break-word}
.footer__base{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding-block:18px 28px;border-top:1px solid rgba(245,245,240,.16);font-size:12.5px;color:var(--on-ink-soft)}
.footer__copy,.footer__note,.footer__legal{max-width:none}
.footer__legal{color:var(--cyan)}
.footer__note{border-left:2px solid rgba(244,183,64,.6);padding-left:10px}

/* ---------- 8. 响应式 ---------- */
@media (max-width:1200px){
  .mainnav__hint{display:none}
  .footer__inner{grid-template-columns:1.4fr 1fr 1fr;gap:36px 28px}
  .footer__col--contact{grid-column:span 3}
}
@media (max-width:1024px){
  .layout-rail,.layout-rail--flip{grid-template-columns:minmax(0,1fr)}
  .rail-sticky{position:static}
  .col-3,.col-4,.col-5{grid-column:span 6}
  .col-7,.col-8,.col-9{grid-column:span 12}
  .masthead__inner{grid-template-columns:1fr;gap:14px;text-align:center;padding-block:18px}
  .masthead__brand{order:1}
  .masthead__edition{order:2;text-align:center}
  .masthead__aside{order:3;justify-content:center}
}
@media (max-width:900px){
  html{scroll-behavior:auto}
  .header-strip__meta--end{display:none}
  .mainnav__inner{justify-content:flex-start;min-height:52px;padding-block:8px 10px;flex-wrap:wrap}
  .navtoggle{display:inline-flex}
  .mainnav__list{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0}
  .mainnav[data-open] .mainnav__list{display:flex}
  .mainnav__list a{padding:13px 4px;border-bottom:1px solid var(--line)}
  .mainnav__list a[aria-current="page"]{border-bottom-color:var(--cyan)}
  .footer__inner{display:block;padding-block:40px 28px}
  .footer__col{margin-top:28px}
  .footer__base{display:block}
  .footer__base>*+*{margin-top:8px}
  .footer__note{border-left:0;padding-left:0}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.72}
  .shell{width:min(100% - 28px,var(--shell))}
  .grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9,.col-12{grid-column:span 6}
  .type-hero{font-size:clamp(40px,13vw,72px)}
  .masthead__name{letter-spacing:.06em}
  .masthead__tagline{letter-spacing:.14em}
  .header-strip__inner{min-height:38px;font-size:11.5px}
  .header-strip__meta{gap:8px}
  .header-strip__sep{width:16px}
  .figure__frame,.figure--wide .figure__frame{aspect-ratio:4/3}
  .to-top{right:12px;bottom:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none}
}