/* =========================================================
   新葡萄棋牌 · 共享样式表 /assets/site.css
   外壳：侧边品牌轨道 + 透明叠加导航 + 墨绿页脚
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --purple:#6B2E6B;
  --purple-deep:#4A1F4A;
  --green:#1F5E3B;
  --green-ink:#14402A;
  --gold:#D4A017;
  --paper:#F5F1E8;
  --wheat:#EDE6D6;
  --ink:#1A1A1A;
  --muted:#6E6A63;
  --red:#B23A48;

  --rail-w:92px;
  --bar-h:76px;
  --line:2px;
  --max:1280px;

  --shadow-hard:6px 6px 0 var(--ink);
  --shadow-soft:6px 6px 0 rgba(26,26,26,.14);
  --gap:clamp(18px,2.6vw,32px);
  --section-y:clamp(56px,7vw,96px);
  --ease:cubic-bezier(.22,.7,.24,1);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Courier New",monospace;
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;}
ul[class],ol[class]{list-style:none;}
img,svg{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;width:100%;}
h1,h2,h3,h4,h5{font-weight:700;}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(0deg,rgba(26,26,26,.022) 0 1px,transparent 1px 28px);
  padding-left:var(--rail-w);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.22;letter-spacing:.01em;}
.num,[data-count-to]{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}
strong{font-weight:700;}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;}
#main-content{display:block;scroll-margin-top:calc(var(--bar-h) + 16px);}
#main-content:focus{outline:none;}

.title-xl{font-size:clamp(38px,6.4vw,68px);font-weight:900;line-height:1.1;}
.title-lg{font-size:clamp(28px,4vw,44px);font-weight:900;}
.title-md{font-size:clamp(20px,2.2vw,26px);font-weight:800;}
.lede{font-size:clamp(17px,1.5vw,20px);line-height:1.8;color:var(--muted);max-width:42em;}
.prose{max-width:38em;font-size:17px;}
.prose p+p{margin-top:1em;}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin:1.7em 0 .6em;}
.prose h3{font-size:clamp(19px,2vw,23px);margin:1.4em 0 .5em;}
.prose ul,.prose ol{padding-left:1.25em;margin:.8em 0;}
.prose ul{list-style:square;}
.prose li{margin:.35em 0;}
.prose a{border-bottom:2px solid var(--gold);}
.divider{height:2px;background:var(--ink);border:0;}
.divider--gold{height:3px;background:var(--gold);}

.label{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}
.label::before{content:"";width:20px;height:2px;background:var(--gold);flex:0 0 auto;}
.label--bare::before{display:none;}

/* ---------- 4. 布局容器与网格 ---------- */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 clamp(20px,3vw,40px);}
.section{padding:var(--section-y) 0;}
.section--wheat{background:var(--wheat);border-top:var(--line) solid var(--ink);border-bottom:var(--line) solid var(--ink);}
.section--green{background:var(--green);color:var(--paper);}
.section--ink{background:var(--ink);color:var(--paper);}
.section--purple{background:var(--purple);color:var(--paper);}
.section--green .lede,.section--ink .lede,.section--purple .lede{color:rgba(245,241,232,.78);}
.page-top{padding-top:calc(var(--bar-h) + clamp(26px,4vw,56px));}

.section-head{display:grid;gap:14px;max-width:56rem;margin-bottom:clamp(26px,4vw,48px);}
.section-head--split{grid-template-columns:minmax(0,1fr) auto;align-items:end;max-width:none;}

.grid{display:grid;gap:var(--gap);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--7-5{grid-template-columns:7fr 5fr;}
.grid--8-4{grid-template-columns:8fr 4fr;}
.grid--5-4-3{grid-template-columns:5fr 4fr 3fr;}

/* ---------- 5. 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:var(--line) solid var(--ink);
  background:var(--paper);color:var(--ink);
  font-family:var(--font-sans);font-size:15px;font-weight:700;letter-spacing:.06em;
  box-shadow:6px 6px 0 var(--ink);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink);}
.btn:active{transform:translate(2px,2px);box-shadow:3px 3px 0 var(--ink);}
.btn--sm{padding:9px 16px;font-size:13px;box-shadow:4px 4px 0 var(--ink);}
.btn--solid{background:var(--purple);color:var(--paper);}
.btn--solid:hover{background:var(--purple-deep);}
.btn--gold{background:var(--gold);color:var(--ink);}
.btn--ghost{background:transparent;box-shadow:none;border-color:var(--muted);}
.btn--block{width:100%;}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-sans);font-size:12px;font-weight:700;letter-spacing:.12em;
  padding:3px 10px;border:var(--line) solid var(--ink);background:var(--wheat);color:var(--ink);
}
.tag--gold{background:var(--gold);}
.tag--red{background:var(--red);color:var(--paper);}
.tag--purple{background:var(--purple);color:var(--paper);}
.tag--green{background:var(--green);color:var(--paper);}

.card{
  position:relative;background:var(--paper);border:var(--line) solid var(--ink);
  box-shadow:var(--shadow-hard);padding:clamp(20px,2.4vw,30px);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:8px 9px 0 var(--ink);}
.card--wheat{background:var(--wheat);}
.card--spec{background:var(--wheat);border-left:6px solid var(--gold);box-shadow:none;}
.card--spec:hover{transform:none;box-shadow:none;}
.card--stat{background:var(--green);color:var(--paper);}
.card__index{
  position:absolute;top:-2px;left:-2px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  background:var(--ink);color:var(--gold);padding:4px 10px;
}

.stat{display:block;}
.stat__num{
  display:block;font-family:var(--font-mono);font-weight:600;
  font-size:clamp(38px,5.6vw,64px);line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat__num--gold{color:var(--gold);}
.stat__unit{font-size:.38em;margin-left:6px;letter-spacing:.06em;}
.stat__label{
  display:block;margin-top:10px;font-size:13px;letter-spacing:.14em;
  color:var(--muted);border-top:2px solid var(--gold);padding-top:8px;
}
.card--stat .stat__label{color:rgba(245,241,232,.78);}

.breadcrumb{margin:0 0 20px;}
.breadcrumb__list{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb__item{display:flex;align-items:center;gap:8px;}
.breadcrumb__item::after{content:"/";color:var(--gold);}
.breadcrumb__item:last-child::after{display:none;}
.breadcrumb__link{border-bottom:1px solid transparent;}
.breadcrumb__link:hover{border-bottom-color:var(--gold);color:var(--ink);}
.breadcrumb__current{color:var(--ink);font-weight:700;}

.media{position:relative;overflow:hidden;border:var(--line) solid var(--ink);background:var(--wheat);box-shadow:var(--shadow-hard);}
.media img{width:100%;height:100%;object-fit:cover;}
.media--16x9{aspect-ratio:16/9;}
.media--4x3{aspect-ratio:4/3;}
.media--3x2{aspect-ratio:3/2;}
.media--1x1{aspect-ratio:1/1;}
.media--tall{aspect-ratio:3/4;}
.media--overlay::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,64,42,0) 42%,rgba(20,64,42,.6));pointer-events:none;}
.media__caption{
  position:absolute;left:0;bottom:0;background:var(--ink);color:var(--paper);
  font-size:12px;letter-spacing:.08em;padding:6px 12px;
}

.score-table{border:var(--line) solid var(--ink);background:var(--paper);font-size:15px;}
.score-table caption{text-align:left;padding:0 0 10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--muted);}
.score-table th{
  background:var(--ink);color:var(--paper);text-align:left;
  font-size:12px;font-weight:600;letter-spacing:.14em;padding:10px 14px;
}
.score-table td{padding:11px 14px;border-top:1px solid rgba(26,26,26,.18);}
.score-table tbody tr:nth-child(even){background:var(--wheat);}

.tabs{position:relative;border:var(--line) solid var(--ink);background:var(--paper);box-shadow:var(--shadow-hard);}
.tabs__list{position:relative;display:flex;flex-wrap:wrap;background:var(--wheat);border-bottom:var(--line) solid var(--ink);}
.tabs__tab{
  padding:13px 20px;font-size:14px;font-weight:700;letter-spacing:.08em;
  color:var(--muted);border-right:2px solid rgba(26,26,26,.16);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.tabs__tab:hover{background:rgba(107,46,107,.1);color:var(--ink);}
.tabs__tab[aria-selected="true"]{background:var(--purple);color:var(--paper);}
.tabs__indicator{
  position:absolute;left:0;bottom:-2px;height:4px;width:0;background:var(--gold);
  transition:transform .26s var(--ease),width .26s var(--ease);
}
.tabs__panel{padding:clamp(20px,2.6vw,30px);}
.tabs__panel[hidden]{display:none;}

.disclosure{border:var(--line) solid var(--ink);background:var(--paper);}
.disclosure+.disclosure{margin-top:-2px;}
.disclosure__summary{
  display:flex;justify-content:space-between;gap:16px;align-items:baseline;
  padding:14px 18px;background:var(--wheat);font-weight:700;cursor:pointer;
}
.disclosure__summary::marker{color:var(--gold);}
.disclosure__body{padding:14px 18px;border-top:var(--line) solid var(--ink);font-size:16px;}

.notice-list{display:grid;border-top:var(--line) solid var(--ink);}
.notice-item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:baseline;
  padding:15px 0;border-bottom:2px solid rgba(26,26,26,.16);
}
.notice-item__time{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--muted);}
.notice-item__title{font-size:16px;font-weight:600;}
.notice-item__tag{justify-self:end;}
.section--green .notice-item,.section--ink .notice-item,.section--purple .notice-item{border-bottom-color:rgba(245,241,232,.24);}
.section--green .notice-item__time,.section--ink .notice-item__time,.section--purple .notice-item__time{color:rgba(245,241,232,.66);}

.frame{position:relative;border:var(--line) solid var(--ink);background:var(--paper);}
.frame--tick{box-shadow:10px 10px 0 rgba(26,26,26,.12);}
.frame::before,.frame::after{content:"";position:absolute;width:36px;height:36px;border:3px solid var(--gold);pointer-events:none;}
.frame::before{top:-2px;left:-2px;border-right:0;border-bottom:0;}
.frame::after{bottom:-2px;right:-2px;border-left:0;border-top:0;}
.rule-ticks{
  height:12px;background-image:repeating-linear-gradient(90deg,var(--gold) 0 2px,transparent 2px 18px);
  background-repeat:repeat-x;background-size:auto 7px;background-position:bottom left;
}

/* ---------- 6. 头部外壳 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;height:0;z-index:80;pointer-events:none;}
.brand-rail,.site-nav,.skip-link,.nav-toggle{pointer-events:auto;}

.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 14px);z-index:99;
  transform:translateY(-220%);
  background:var(--ink);color:var(--paper);border:var(--line) solid var(--gold);
  padding:10px 16px;font-size:14px;letter-spacing:.06em;
  transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);}

/* 品牌轨道 */
.brand-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:16px 0 18px;
  background:var(--purple);color:var(--paper);
  border-right:var(--line) solid var(--ink);
  box-shadow:inset -8px 0 0 rgba(74,31,74,.55);
  overflow-y:auto;overflow-x:hidden;
  scrollbar-width:none;z-index:82;
}
.brand-rail::-webkit-scrollbar{width:0;}
.brand-rail__mark{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  width:100%;padding:10px 0 14px;
  border-bottom:var(--line) solid rgba(245,241,232,.3);
}
.brand-rail__mark-cn{writing-mode:vertical-rl;font-family:var(--font-serif);font-weight:900;font-size:22px;letter-spacing:.16em;}
.brand-rail__mark-sub{writing-mode:vertical-rl;font-size:12px;letter-spacing:.28em;color:var(--gold);}
.brand-rail__ticks{display:flex;flex-direction:column;align-items:center;width:100%;gap:2px;padding:4px 0;}
.brand-rail__tick{
  display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;
  padding:8px 0 10px;border-left:4px solid transparent;
  color:rgba(245,241,232,.7);
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.brand-rail__tick:hover{background:rgba(26,26,26,.25);color:var(--paper);}
.brand-rail__tick[aria-current="page"]{background:var(--purple-deep);color:var(--paper);border-left-color:var(--gold);}
.brand-rail__tick-num{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--gold);}
.brand-rail__tick-text{writing-mode:vertical-rl;font-size:13px;letter-spacing:.18em;}
.brand-rail__note{
  margin-top:auto;width:calc(100% - 18px);padding-top:12px;
  border-top:1px dashed rgba(245,241,232,.32);
  font-size:11px;line-height:1.5;text-align:center;color:rgba(245,241,232,.68);
}

/* 顶部导航条 */
.site-header__bar{
  position:absolute;top:0;left:var(--rail-w);right:0;height:var(--bar-h);
  display:flex;align-items:center;gap:16px;
  padding:0 clamp(16px,2.4vw,34px);
  background:transparent;color:var(--ink);
  border-bottom:var(--line) solid transparent;
  transition:background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
  z-index:81;
}
.site-header.is-scrolled .site-header__bar{
  background:var(--ink);color:var(--paper);border-bottom-color:var(--gold);
}
.site-header.is-scrolled :focus-visible{outline-color:var(--paper);}

.site-header__context{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  padding-left:14px;border-left:2px solid var(--gold);white-space:nowrap;
  color:var(--muted);opacity:0;transform:translateX(-8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),color .3s var(--ease);
}
.site-header.is-scrolled .site-header__context{opacity:1;transform:none;color:rgba(245,241,232,.75);}

.nav-toggle{
  display:none;align-items:center;gap:10px;height:42px;padding:0 12px;
  border:var(--line) solid currentColor;color:var(--paper);
  font-size:13px;font-weight:700;letter-spacing:.14em;
}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;background:currentColor;}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
  transition:transform .25s var(--ease),top .25s var(--ease);
}
.nav-toggle__bars::before{top:-6px;}
.nav-toggle__bars::after{top:6px;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg);}

.site-nav{display:flex;align-items:center;gap:10px;margin-left:auto;}
.site-nav__list{display:flex;align-items:center;gap:2px;}
.site-nav__link{
  display:inline-block;padding:9px 13px;font-size:15px;font-weight:600;letter-spacing:.06em;
  color:var(--ink);border-bottom:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link:hover{border-bottom-color:var(--gold);}
.site-nav__link[aria-current="page"]{color:var(--purple);border-bottom-color:var(--purple);}
.site-header.is-scrolled .site-nav__link{color:var(--paper);}
.site-header.is-scrolled .site-nav__link[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold);}
.site-nav__actions{
  display:flex;align-items:center;gap:10px;margin-left:12px;padding-left:16px;
  border-left:var(--line) solid rgba(26,26,26,.22);
}
.site-header.is-scrolled .site-nav__actions{border-left-color:rgba(245,241,232,.28);}
.site-nav__aux{
  display:inline-flex;align-items:center;gap:8px;padding:9px 6px;
  font-size:14px;font-weight:600;letter-spacing:.06em;color:var(--ink);
  transition:color .2s var(--ease);
}
.site-nav__aux:hover{color:var(--purple);}
.site-nav__aux-dot{display:block;width:8px;height:8px;background:var(--gold);}
.site-header.is-scrolled .site-nav__aux{color:var(--paper);}
.site-header.is-scrolled .site-nav__aux:hover{color:var(--gold);}

.site-header__bar .btn{padding:10px 16px;font-size:14px;background:transparent;color:var(--ink);border-color:currentColor;box-shadow:none;}
.site-header__bar .btn:hover{background:var(--purple);border-color:var(--purple);color:var(--paper);transform:none;box-shadow:5px 5px 0 rgba(26,26,26,.28);}
.site-header__bar .btn:active{transform:none;box-shadow:2px 2px 0 rgba(26,26,26,.28);}
.site-header.is-scrolled .site-header__bar .btn{color:var(--paper);}

.nav-scrim{display:none;}
.scroll-meter{
  position:absolute;top:var(--bar-h);left:var(--rail-w);right:0;height:3px;
  background:rgba(26,26,26,.1);overflow:hidden;
}
.scroll-meter__fill{
  display:block;height:100%;width:100%;background:var(--gold);
  transform:scaleX(0);transform-origin:left center;
}

/* ---------- 7. 页脚 ---------- */
.site-footer{
  position:relative;margin-top:clamp(56px,8vw,110px);
  background:var(--green-ink);color:var(--paper);
}
.footer-canopy{
  position:relative;height:clamp(72px,12vw,180px);
  background-color:#0E2E1F;
  background-image:
    repeating-linear-gradient(90deg,rgba(245,241,232,.05) 0 2px,transparent 2px 16px),
    radial-gradient(58% 120% at 50% 132%,rgba(20,64,42,.95) 0 70%,rgba(20,64,42,0) 71%),
    linear-gradient(180deg,rgba(212,160,23,.2) 0 2px,transparent 2px),
    linear-gradient(180deg,rgba(245,241,232,.07),rgba(20,64,42,0));
  background-size:auto,160px 100%,100% 100%,100% 100%;
  background-repeat:repeat-x,repeat-x,no-repeat,no-repeat;
  border-top:var(--line) solid rgba(212,160,23,.5);
}
.footer-canopy::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:36%;
  background:linear-gradient(180deg,rgba(20,64,42,0),var(--green-ink));
}
.footer-inner{max-width:var(--max);margin:0 auto;padding:clamp(36px,5vw,60px) clamp(20px,3vw,40px) 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.4fr 1fr;gap:clamp(24px,4vw,56px);}
.footer-col__title{
  font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);
  padding-bottom:10px;margin-bottom:16px;
  border-bottom:var(--line) solid rgba(245,241,232,.24);
}
.footer-brand{font-family:var(--font-serif);font-weight:900;font-size:30px;line-height:1.2;letter-spacing:.08em;}
.footer-brand__line{margin-top:14px;font-size:15px;line-height:1.75;color:rgba(245,241,232,.75);max-width:24em;}
.footer-brand__meta{margin-top:14px;font-size:13px;letter-spacing:.04em;color:rgba(212,160,23,.85);}
.footer-links a{
  display:block;padding:7px 0;font-size:15px;color:rgba(245,241,232,.82);
  border-bottom:1px dashed rgba(245,241,232,.14);
  transition:color .2s var(--ease),padding-left .2s var(--ease),border-color .2s var(--ease);
}
.footer-links a:hover{color:var(--gold);padding-left:8px;border-bottom-color:var(--gold);}
.footer-contact{display:grid;gap:12px;}
.footer-contact__row{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;align-items:start;}
.footer-contact__key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--gold);
  padding-top:5px;white-space:nowrap;
}
.footer-contact__val{font-size:15px;line-height:1.6;color:rgba(245,241,232,.86);word-break:break-word;}
.footer-icp{
  margin-top:20px;font-family:var(--font-mono);font-size:13px;letter-spacing:.08em;
  color:rgba(245,241,232,.7);border-left:4px solid var(--gold);padding-left:12px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;align-items:center;
  margin-top:clamp(30px,4vw,46px);padding:20px 0 28px;
  border-top:var(--line) solid rgba(245,241,232,.22);
  font-size:13px;color:rgba(245,241,232,.66);
}
.footer-bottom__meta{font-family:var(--font-mono);letter-spacing:.1em;}

/* ---------- 8. 动效 ---------- */
[data-reveal]{
  opacity:0;translate:0 14px;
  transition:opacity .55s var(--ease),translate .55s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
[data-reveal].is-visible{opacity:1;translate:0 0;}
[data-reveal-delay="1"]{transition-delay:.04s;}
[data-reveal-delay="2"]{transition-delay:.08s;}
[data-reveal-delay="3"]{transition-delay:.12s;}
[data-reveal-delay="4"]{transition-delay:.16s;}
[data-reveal-delay="5"]{transition-delay:.2s;}

@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;translate:0 0;transition-delay:0s !important;}
  .site-nav{transition:none;}
}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1180px){
  :root{--rail-w:76px;}
  .brand-rail__mark-cn{font-size:19px;}
  .brand-rail__tick-text{font-size:12px;}
}
@media (max-width:1120px){
  .site-nav__link{padding:9px 9px;font-size:14px;}
  .site-nav__aux{font-size:13px;padding:9px 4px;}
  .site-header__bar .btn{padding:8px 12px;font-size:13px;}
  .site-header__context{display:none;}
}
@media (max-width:960px){
  :root{--rail-w:0px;--bar-h:62px;}
  .brand-rail{display:none;}
  .site-header__bar{
    left:0;background:var(--ink);color:var(--paper);
    border-bottom:var(--line) solid rgba(212,160,23,.55);
  }
  .nav-toggle{display:inline-flex;}
  .site-header__context{
    display:inline-block;opacity:1;transform:none;
    color:rgba(245,241,232,.78);font-size:11px;
  }
  .site-nav{
    position:fixed;top:0;bottom:0;left:0;width:min(86vw,340px);
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:calc(var(--bar-h) + 18px) 20px 28px;
    background:var(--green-ink);color:var(--paper);
    border-right:4px solid var(--purple);
    box-shadow:10px 0 0 rgba(26,26,26,.25);
    transform:translateX(-104%);visibility:hidden;
    transition:transform .32s var(--ease),visibility .32s var(--ease);
    overflow-y:auto;z-index:83;
  }
  .site-nav[data-open]{transform:translateX(0);visibility:visible;}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .site-nav__link{
    display:flex;justify-content:space-between;align-items:center;
    padding:14px 4px;font-size:17px;color:var(--paper);
    border-bottom:1px dashed rgba(245,241,232,.22);
  }
  .site-nav__link::after{content:"→";font-size:13px;color:var(--gold);}
  .site-nav__link:hover{border-bottom-color:var(--gold);}
  .site-nav__link[aria-current="page"],
  .site-header.is-scrolled .site-nav__link[aria-current="page"]{
    color:var(--gold);border-bottom-color:var(--gold);
  }
  .site-header.is-scrolled .site-nav__link{color:var(--paper);}
  .site-nav__actions{
    flex-direction:column;align-items:stretch;gap:10px;
    margin:24px 0 0;padding:18px 0 0;border-left:0;
    border-top:var(--line) solid rgba(245,241,232,.22);
  }
  .site-nav__aux,
  .site-header.is-scrolled .site-nav__aux{color:var(--paper);padding:12px 4px;}
  .site-header__bar .btn,
  .site-header.is-scrolled .site-header__bar .btn{
    width:100%;color:var(--paper);padding:13px 16px;font-size:14px;
  }
  .nav-scrim{
    display:block;position:fixed;inset:0;z-index:82;
    background:rgba(20,20,20,.62);opacity:0;pointer-events:none;
    transition:opacity .3s var(--ease);
  }
  .nav-scrim[data-open]{opacity:1;pointer-events:auto;}
  .scroll-meter{left:0;}
}
@media (max-width:900px){
  .grid--2,.grid--3,.grid--7-5,.grid--8-4,.grid--5-4-3{grid-template-columns:1fr;}
  .section-head--split{grid-template-columns:1fr;}
}
@media (max-width:720px){
  body{font-size:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-col:first-child{grid-column:1 / -1;}
  .footer-bottom{justify-content:flex-start;}
  .notice-item{grid-template-columns:auto minmax(0,1fr);}
  .notice-item__tag{grid-column:2;justify-self:start;}
}
@media (max-width:460px){
  .footer-grid{grid-template-columns:1fr;}
  .tabs__tab{padding:11px 14px;font-size:13px;}
}