/* =========================================================
   爱游戏中心 · 共享外壳样式  /assets/site.css
   ========================================================= */

/* ---------- 1. 设计变量 ---------- */
:root{
	--ink:#05100D;
	--panel:#101614;
	--panel-2:#0A1815;
	--green:#0E241D;
	--slate:#46586B;
	--cyan:#38F4CE;
	--amber:#FFA23A;
	--mag-a:#7A2E6B;
	--mag-b:#D4468C;
	--text:#C3CCC8;
	--text-strong:#F4F9F7;
	--muted:#7E918A;
	--hair:#1F2E29;
	--hair-2:#16241F;
	--shell:1240px;
	--r:3px;
	--font-sans:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
	--font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
	--ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. reset ---------- */
*,*::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,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit}
a{color:inherit}
table{border-collapse:collapse;width:100%}
address{font-style:normal}

/* ---------- 3. 基础排版与背景 ---------- */
body{
	background:var(--ink);
	color:var(--text);
	font-family:var(--font-sans);
	font-size:17px;
	line-height:1.75;
	letter-spacing:.004em;
	min-height:100vh;
	overflow-x:hidden;
	-webkit-font-smoothing:antialiased;
}
body::before{
	content:"";
	position:fixed;
	inset:0;
	z-index:0;
	pointer-events:none;
	background-image:
		linear-gradient(rgba(70,88,107,.10) 1px,transparent 1px),
		linear-gradient(90deg,rgba(70,88,107,.10) 1px,transparent 1px);
	background-size:96px 96px;
	opacity:.55;
	-webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 88%);
	mask-image:radial-gradient(120% 90% at 50% 0%,#000 20%,transparent 88%);
}
body::after{
	content:"";
	position:fixed;
	inset:-20% -10% auto auto;
	width:min(760px,90vw);
	height:min(760px,90vw);
	z-index:0;
	pointer-events:none;
	background:radial-gradient(circle,rgba(56,244,206,.10),transparent 62%);
	opacity:.8;
}
body>*{position:relative;z-index:1}

h1,h2,h3,h4,h5{color:var(--text-strong);font-weight:800;letter-spacing:-.02em;line-height:1.14}
h1{font-size:clamp(34px,6vw,56px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:clamp(19px,2vw,24px)}
h4{font-size:17px}
p{max-width:64ch}
strong{color:var(--text-strong);font-weight:700}
::selection{background:rgba(56,244,206,.28);color:var(--text-strong)}

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

/* ---------- 4. 布局容器 ---------- */
.shell{
	width:100%;
	max-width:var(--shell);
	margin-inline:auto;
	padding-inline:clamp(16px,4vw,40px);
}
.shell--narrow{max-width:820px}

.section{padding-block:clamp(48px,7vw,96px)}
.section__head{margin-bottom:clamp(22px,3vw,38px)}
.section__title{margin-top:10px}
.lede{font-size:clamp(16px,1.5vw,19px);color:#A9B8B2;line-height:1.72;margin-top:14px}
.kicker{
	display:inline-flex;
	align-items:center;
	gap:10px;
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.22em;
	text-transform:uppercase;
	color:var(--amber);
}
.kicker::before{content:"";width:26px;height:1px;background:currentColor;flex:none}

.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.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}

.diag-band{
	height:clamp(44px,6vw,88px);
	background:
		linear-gradient(96deg,transparent calc(50% - 1px),var(--hair) calc(50% - 1px),var(--hair) calc(50% + 1px),transparent calc(50% + 1px));
}

/* ---------- 5. 通用文本与标记 ---------- */
.annot{
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.18em;
	text-transform:uppercase;
	color:var(--slate);
}
.badge{
	display:inline-flex;
	align-items:center;
	gap:6px;
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.16em;
	text-transform:uppercase;
	padding:4px 9px;
	border:1px solid rgba(255,162,58,.42);
	color:var(--amber);
	border-radius:2px;
	background:rgba(255,162,58,.06);
}
.badge--cyan{border-color:rgba(56,244,206,.42);color:var(--cyan);background:rgba(56,244,206,.06)}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
	display:inline-flex;
	align-items:center;
	gap:8px;
	padding:7px 15px;
	border:1px solid var(--hair);
	border-radius:999px;
	font-size:13px;
	color:#9FB0AA;
	background:rgba(16,22,20,.72);
	transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{color:var(--text-strong);border-color:rgba(56,244,206,.4)}
.chip[aria-pressed="true"],.chip.is-active{
	color:#0B1A15;
	background:linear-gradient(135deg,var(--amber),#F08A1C);
	border-color:transparent;
	font-weight:700;
}

/* ---------- 6. 按钮 ---------- */
.btn{
	display:inline-flex;
	align-items:center;
	justify-content:center;
	gap:8px;
	padding:11px 20px;
	border:1px solid var(--hair);
	border-radius:var(--r);
	font-size:14px;
	font-weight:700;
	letter-spacing:.04em;
	text-decoration:none;
	color:var(--text-strong);
	background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(0,0,0,.16));
	transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--solid{
	color:#180C02;
	border-color:transparent;
	background:linear-gradient(135deg,var(--amber),#F0871B);
	box-shadow:0 12px 30px -18px rgba(255,162,58,.95);
}
.btn--solid:hover{background:linear-gradient(135deg,#FFB255,#FF9527)}
.btn--ghost{
	color:var(--cyan);
	border-color:rgba(56,244,206,.38);
	background:linear-gradient(180deg,rgba(56,244,206,.10),rgba(56,244,206,.02));
}
.btn--ghost:hover{border-color:var(--cyan);background:linear-gradient(180deg,rgba(56,244,206,.18),rgba(56,244,206,.04))}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- 7. 跳转链接 ---------- */
.skip-link{
	position:absolute;
	left:-9999px;
	top:0;
	z-index:99;
	padding:12px 20px;
	background:var(--cyan);
	color:#04120E;
	font-weight:700;
	text-decoration:none;
	border-radius:0 0 var(--r) 0;
}
.skip-link:focus{left:0}

/* ---------- 8. 页头 ---------- */
.site-header{
	position:sticky;
	top:0;
	z-index:60;
	background:linear-gradient(180deg,#071411,#05100D);
	border-bottom:1px solid var(--hair);
}
.scroll-progress{
	position:absolute;
	left:0;
	right:0;
	bottom:-1px;
	height:2px;
	z-index:2;
	background:linear-gradient(90deg,var(--cyan),var(--amber));
	transform:scaleX(0);
	transform-origin:0 50%;
}

/* 上层 HUD 信息条 */
.hud-strip{
	background:linear-gradient(90deg,rgba(14,36,29,.92),rgba(5,16,13,.55));
	border-bottom:1px solid var(--hair);
}
.hud-strip__inner{
	display:flex;
	align-items:center;
	gap:20px;
	min-height:36px;
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.14em;
	color:#6C8079;
}
.hud-strip__brand{color:#8A9C95;max-width:none;white-space:nowrap}
.hud-strip__topics{margin-left:auto;color:var(--slate);white-space:nowrap;max-width:none}
.hud-strip__status{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);white-space:nowrap;max-width:none}
.status-dot{
	width:6px;
	height:6px;
	flex:none;
	border-radius:50%;
	background:var(--cyan);
	box-shadow:0 0 0 3px rgba(56,244,206,.16);
	animation:pulse 2.6s var(--ease) infinite;
}
@keyframes pulse{
	0%,100%{box-shadow:0 0 0 3px rgba(56,244,206,.16)}
	50%{box-shadow:0 0 0 7px rgba(56,244,206,.04)}
}

/* 中层品牌行 */
.masthead{
	display:flex;
	align-items:center;
	gap:18px;
	padding-block:12px;
}
.brandmark{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brandmark__glyph{
	width:42px;
	height:42px;
	flex:none;
	display:grid;
	place-items:center;
	font-family:var(--font-mono);
	font-size:13px;
	font-weight:700;
	letter-spacing:.04em;
	color:var(--cyan);
	border:1px solid rgba(56,244,206,.45);
	border-radius:2px;
	background:linear-gradient(135deg,rgba(56,244,206,.18),rgba(56,244,206,0) 68%);
}
.brandmark__text{display:flex;flex-direction:column}
.brandmark__name{font-size:18px;font-weight:800;color:var(--text-strong);letter-spacing:-.01em;line-height:1.2}
.brandmark__sub{
	font-family:var(--font-mono);
	font-size:10px;
	letter-spacing:.2em;
	text-transform:uppercase;
	color:var(--slate);
	margin-top:4px;
}
.rot-label{
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.24em;
	text-transform:uppercase;
	color:#33443E;
	writing-mode:vertical-rl;
	transform:rotate(180deg);
	height:40px;
	align-self:center;
	overflow:hidden;
}
.masthead__actions{margin-left:auto;display:flex;align-items:center;gap:10px}

/* 移动端抽屉按钮 */
.nav-toggle{
	display:none;
	align-items:center;
	gap:9px;
	padding:10px 13px;
	border:1px solid var(--hair);
	border-radius:var(--r);
	color:var(--text-strong);
	background:rgba(16,22,20,.85);
	transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:rgba(56,244,206,.45)}
.nav-toggle__bars{display:grid;gap:5px;width:18px}
.nav-toggle__bar{display:block;height:1px;background:var(--cyan);transition:transform .24s var(--ease)}
.nav-toggle__text{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#9FB0AA}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child{transform:translateY(-3px) rotate(-45deg)}

/* 下层栏目索引条 */
.site-nav{
	border-top:1px solid var(--hair);
	background:linear-gradient(180deg,rgba(16,22,20,.88),rgba(5,16,13,.6));
}
.site-nav__inner{display:flex;align-items:center;gap:18px}
.site-nav__label{
	font-family:var(--font-mono);
	font-size:10px;
	letter-spacing:.22em;
	text-transform:uppercase;
	color:#3A4B45;
	white-space:nowrap;
	padding-right:16px;
	border-right:1px solid var(--hair);
}
.site-nav__list{display:flex;align-items:stretch;flex-wrap:wrap}
.site-nav__item{display:flex}
.site-nav__link{
	display:inline-flex;
	align-items:baseline;
	gap:8px;
	padding:13px 18px;
	font-size:14px;
	font-weight:600;
	color:#9FB0AA;
	text-decoration:none;
	border-bottom:2px solid transparent;
	transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.site-nav__link:hover{color:var(--text-strong);background:rgba(56,244,206,.06)}
.site-nav__index{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:#41524C}
.site-nav__link[aria-current="page"]{
	color:var(--cyan);
	border-bottom-color:var(--cyan);
	background:linear-gradient(180deg,rgba(56,244,206,.12),rgba(56,244,206,0));
}
.site-nav__link[aria-current="page"] .site-nav__index{color:var(--amber)}

.nav-scrim{
	position:fixed;
	inset:0;
	z-index:65;
	background:rgba(2,8,6,.76);
	opacity:0;
	pointer-events:none;
	transition:opacity .28s var(--ease);
}
.site-nav[data-open] ~ .nav-scrim{opacity:1;pointer-events:auto}

/* ---------- 9. 面板 / 数据组件 ---------- */
.panel{
	background:linear-gradient(180deg,rgba(16,22,20,.94),rgba(10,18,15,.94));
	border:1px solid var(--hair);
	border-radius:var(--r);
	box-shadow:0 26px 64px -50px rgba(0,0,0,.98);
	padding:clamp(18px,2.4vw,28px);
}
.panel__head{
	display:flex;
	align-items:baseline;
	justify-content:space-between;
	gap:16px;
	flex-wrap:wrap;
	padding-bottom:14px;
	border-bottom:1px solid var(--hair);
	margin-bottom:18px;
}
.panel__title{font-size:16px;font-weight:700;color:var(--text-strong);letter-spacing:0}

.stat{display:grid;gap:8px}
.stat__value{
	font-family:var(--font-mono);
	font-variant-numeric:tabular-nums;
	font-weight:700;
	font-size:clamp(40px,6.4vw,88px);
	line-height:.94;
	letter-spacing:-.035em;
	color:var(--cyan);
}
.stat__value--amber{color:var(--amber)}
.stat__value--magenta{
	background:linear-gradient(120deg,var(--mag-a),var(--mag-b));
	-webkit-background-clip:text;
	background-clip:text;
	color:transparent;
}
.stat__unit{font-size:14px;color:var(--slate);letter-spacing:.1em}
.stat__label{font-size:13px;color:#8D9E98;letter-spacing:.04em}

.table-scroll{
	overflow-x:auto;
	border:1px solid var(--hair);
	border-radius:var(--r);
	background:rgba(10,18,15,.7);
}
.data-table{font-size:14px;font-variant-numeric:tabular-nums;min-width:520px}
.data-table th{
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.16em;
	text-transform:uppercase;
	color:var(--slate);
	font-weight:600;
	text-align:left;
	padding:11px 14px;
	border-bottom:1px solid var(--hair);
	white-space:nowrap;
}
.data-table td{padding:12px 14px;border-bottom:1px solid var(--hair-2);color:#B4C0BB}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table tbody tr:hover td{background:rgba(56,244,206,.05)}
.data-table td.num{font-family:var(--font-mono);color:var(--text-strong);text-align:right}

.timeline{position:relative;border-left:1px solid var(--hair);margin-left:6px;padding-left:0}
.timeline__item{position:relative;padding:0 0 26px 26px}
.timeline__item:last-child{padding-bottom:0}
.timeline__dot{
	position:absolute;
	left:-5px;
	top:8px;
	width:9px;
	height:9px;
	border-radius:50%;
	border:1px solid var(--cyan);
	background:var(--ink);
}
.timeline__stage{
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.18em;
	text-transform:uppercase;
	color:var(--amber);
}
.timeline__title{font-size:17px;font-weight:700;color:var(--text-strong);margin:6px 0}
.timeline__body{font-size:15px;color:#9FB0AA}

/* ---------- 10. 图片容器与显现 ---------- */
.media-frame{
	position:relative;
	border:1px solid var(--hair);
	border-radius:var(--r);
	background:linear-gradient(150deg,var(--green),#0A1714);
	aspect-ratio:16/9;
	overflow:hidden;
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame img,.media-frame picture>img{width:100%;height:100%;object-fit:cover}
.media-frame__cap{
	position:absolute;
	left:0;
	bottom:0;
	max-width:100%;
	padding:9px 14px;
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.16em;
	text-transform:uppercase;
	color:#9FB0AA;
	background:rgba(5,16,13,.8);
	border-top:1px solid var(--hair);
	border-right:1px solid var(--hair);
}

.reveal{
	opacity:0;
	transform:translateY(14px);
	transition:opacity .38s var(--ease),transform .38s var(--ease);
	transition-delay:var(--reveal-delay,0ms);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 11. 面包屑 ---------- */
.breadcrumb{
	display:flex;
	flex-wrap:wrap;
	align-items:center;
	gap:10px;
	font-family:var(--font-mono);
	font-size:11px;
	letter-spacing:.14em;
	text-transform:uppercase;
	color:var(--slate);
}
.breadcrumb a{text-decoration:none;color:#8D9E98}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb__sep{color:#2C3D37}

/* ---------- 12. 页脚 ---------- */
.site-footer{
	margin-top:clamp(56px,8vw,120px);
	border-top:1px solid var(--hair);
	background:linear-gradient(180deg,#0A1A15,var(--ink) 62%);
}
.footer-grid{
	display:grid;
	grid-template-columns:1.5fr 1fr 1fr 1.15fr;
	gap:clamp(26px,3.4vw,54px);
	padding-block:clamp(40px,6vw,76px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-brand__line{font-size:14px;font-weight:700;color:var(--text-strong);letter-spacing:.02em;max-width:none}
.footer-mark{
	font-family:var(--font-mono);
	font-size:clamp(28px,4.4vw,50px);
	line-height:.92;
	font-weight:700;
	letter-spacing:-.04em;
	text-transform:uppercase;
	color:#14261F;
	margin-top:16px;
	max-width:none;
}
.footer-brand__note{margin-top:14px;font-size:13px;color:var(--muted);max-width:34ch}

.footer-col{min-width:0}
.footer-col__title{
	font-family:var(--font-mono);
	font-size:11px;
	font-weight:600;
	letter-spacing:.2em;
	text-transform:uppercase;
	color:var(--slate);
	margin-bottom:16px;
}
.footer-list{display:grid;gap:10px}
.footer-list__link{
	font-size:14px;
	color:#A9B8B2;
	text-decoration:none;
	border-bottom:1px solid transparent;
	transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-list__link:hover{color:var(--cyan);border-bottom-color:rgba(56,244,206,.5)}
.footer-list--plain li{font-size:14px;color:#8D9E98}

.footer-contact__line{font-size:14px;color:#A9B8B2;margin-bottom:9px;max-width:36ch}
.footer-contact__line--mono{font-family:var(--font-mono);letter-spacing:.02em;color:var(--text-strong)}

.footer-legal{
	display:flex;
	flex-wrap:wrap;
	align-items:center;
	justify-content:space-between;
	gap:12px 26px;
	border-top:1px solid var(--hair);
	padding-block:18px;
	font-size:12px;
	color:#6C8079;
}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:20px}
.footer-legal__links a{color:#8D9E98;text-decoration:none;transition:color .2s var(--ease)}
.footer-legal__links a:hover{color:var(--cyan)}
.footer-legal__meta{font-family:var(--font-mono);letter-spacing:.06em;max-width:none}

/* ---------- 13. 响应式 ---------- */
@media (max-width:1100px){
	.hud-strip__topics{display:none}
}
@media (max-width:1024px){
	.footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:960px){
	.nav-toggle{display:inline-flex}
	.rot-label{display:none}
	.masthead__actions .btn--ghost{display:none}

	.site-nav{
		position:fixed;
		top:0;
		right:0;
		bottom:0;
		width:min(86vw,360px);
		z-index:70;
		border-top:0;
		border-left:1px solid var(--hair);
		background:linear-gradient(180deg,var(--green),var(--ink));
		box-shadow:-30px 0 70px -34px #000;
		overflow-y:auto;
		transform:translateX(102%);
		visibility:hidden;
		transition:transform .34s var(--ease),visibility .34s linear;
	}
	.site-nav[data-open]{transform:translateX(0);visibility:visible}
	.site-nav__inner{display:block;padding:26px 0 48px}
	.site-nav__label{display:none}
	.site-nav__list{display:block}
	.site-nav__item{display:block}
	.site-nav__link{
		width:100%;
		padding:16px 22px;
		font-size:16px;
		border-bottom:1px solid var(--hair);
		border-left:2px solid transparent;
	}
	.site-nav__link[aria-current="page"]{
		border-bottom-color:var(--hair);
		border-left-color:var(--cyan);
		background:linear-gradient(90deg,rgba(56,244,206,.14),rgba(56,244,206,0));
	}
	html.nav-open{overflow:hidden}
	.grid-12>*[class^="col-"]{grid-column:1/-1}
}
@media (min-width:961px){
	.nav-scrim{display:none}
}
@media (max-width:720px){
	body{font-size:16px}
	.hud-strip__status{display:none}
	.hud-strip__inner{min-height:32px}
	.footer-grid{grid-template-columns:1fr;gap:30px}
	.footer-legal{justify-content:flex-start}
}
@media (max-width:560px){
	.brandmark__glyph{width:36px;height:36px;font-size:12px}
	.brandmark__name{font-size:16px}
	.brandmark__sub{letter-spacing:.14em}
	.masthead__actions .btn--solid{padding:10px 14px;font-size:13px}
	.nav-toggle__text{display:none}
}

/* ---------- 14. 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
	html{scroll-behavior:auto}
	*,*::before,*::after{
		animation-duration:.001ms !important;
		animation-iteration-count:1 !important;
		transition-duration:.001ms !important;
	}
	.reveal{opacity:1;transform:none}
	.status-dot{animation:none}
	.btn:hover{transform:none}
}
@media (forced-colors:active){
	.btn,.chip,.badge,.panel{border:1px solid currentColor}
}