/**
 * 项目名称：梯子游戏正规平台
 * 文件功能：全站编辑型研究门户视觉与响应式布局
 * 版本：1.0
 */

:root {
    --paper: #f3f5ef;
    --paper-warm: #ebece4;
    --ink: #17221d;
    --ink-soft: #50605a;
    --forest: #0b5d46;
    --forest-dark: #074333;
    --mint: #9ed7bd;
    --amber: #e59a35;
    --amber-soft: #f3c77a;
    --white: #fffef9;
    --line: rgba(23, 34, 29, 0.16);
    --line-strong: rgba(23, 34, 29, 0.3);
    --container: 1180px;
    --header-height: 74px;
    --radius: 3px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--paper);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}
body::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    background-image: linear-gradient(rgba(23,34,29,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(23,34,29,.035) 1px, transparent 1px);
    background-size: 80px 80px;
    content: "";
    pointer-events: none;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; }
[hidden] { display: none !important; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 1000; padding: 9px 15px; background: var(--ink); color: var(--white); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

/* Header */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header-height); border-bottom: 1px solid rgba(255,255,255,.18); color: var(--white); transition: background 180ms ease, color 180ms ease, border-color 180ms ease; }
.site-header.is-scrolled { border-color: var(--line); background: rgba(243,245,239,.94); color: var(--ink); backdrop-filter: blur(14px); }
.header-shell { display: flex; width: min(calc(100% - 48px), 1320px); height: 100%; margin-inline: auto; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; min-height: 48px; align-items: center; gap: 11px; }
.brand-mark { position: relative; display: flex; width: 38px; height: 38px; align-items: flex-end; justify-content: center; gap: 3px; overflow: hidden; border: 1px solid currentColor; background: transparent; }
.brand-mark::before { position: absolute; inset: 6px; border: 1px solid currentColor; content: ""; opacity: .22; transform: rotate(45deg); }
.brand-mark i { z-index: 1; display: block; width: 4px; margin-bottom: 8px; background: currentColor; }
.brand-mark i:nth-child(1) { height: 9px; }
.brand-mark i:nth-child(2) { height: 19px; background: var(--amber); }
.brand-mark i:nth-child(3) { height: 14px; }
.brand-copy { display: grid; line-height: 1.1; }
.brand-copy strong { font-size: 18px; font-weight: 800; }
.brand-copy small { margin-top: 5px; font: 9px Consolas, monospace; opacity: .62; }
.site-nav { display: flex; height: 100%; align-items: center; gap: 3px; }
.site-nav a { position: relative; display: grid; min-height: 44px; padding: 0 15px; place-items: center; font-size: 14px; opacity: .78; transition: opacity 160ms ease; }
.site-nav a::after { position: absolute; right: 15px; bottom: 1px; left: 15px; height: 3px; background: var(--amber); content: ""; opacity: 0; transform: scaleX(.2); transition: opacity 160ms ease, transform 160ms ease; }
.site-nav a:hover, .site-nav a.is-active { opacity: 1; }
.site-nav a:hover::after, .site-nav a.is-active::after { opacity: 1; transform: scaleX(1); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 11px; border: 1px solid currentColor; border-radius: 0; background: transparent; color: inherit; cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; margin: 4px 0; background: currentColor; transition: transform 180ms ease, opacity 180ms ease; }

/* Hero */
.hero { position: relative; display: grid; min-height: 700px; padding-top: var(--header-height); overflow: hidden; align-items: center; background: var(--forest-dark) url("../images/hero-data-lab.png") center/cover no-repeat; color: var(--white); }
.hero::before { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7,40,31,.96) 0%, rgba(7,50,38,.83) 44%, rgba(7,50,38,.26) 75%, rgba(7,50,38,.12) 100%); content: ""; }
.hero::after { position: absolute; right: 0; bottom: 0; left: 0; height: 12px; background: repeating-linear-gradient(90deg, var(--amber) 0 54px, var(--forest) 54px 108px, var(--mint) 108px 162px); content: ""; }
.hero-visual { position: absolute; inset: 0 0 0 46%; opacity: .48; }
.data-plane { position: absolute; inset: 14% -5% -20% 0; background: linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px); background-size: 62px 48px; mask-image: linear-gradient(transparent, #000 30%, #000 74%, transparent); transform: perspective(650px) rotateX(61deg) rotateZ(-7deg); transform-origin: center bottom; }
.scan-line { position: absolute; top: 20%; right: 4%; width: 82%; height: 2px; background: linear-gradient(90deg, transparent, var(--amber-soft), transparent); animation: scan 7s linear infinite; }
.hero-orbit { position: absolute; top: 48%; left: 60%; border: 1px dashed rgba(255,255,255,.38); border-radius: 50%; transform: translate(-50%,-50%); }
.hero-orbit::after { position: absolute; top: 50%; left: -4px; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); content: ""; }
.orbit-one { width: 460px; height: 460px; animation: orbit 22s linear infinite; }
.orbit-two { width: 320px; height: 320px; animation: orbit 17s linear infinite reverse; }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0,1fr) 430px; gap: 76px; align-items: center; }
.eyebrow, .section-index { font: 700 11px Consolas, monospace; letter-spacing: 1.5px; }
.eyebrow { display: flex; align-items: center; gap: 11px; color: var(--amber-soft); }
.eyebrow span { width: 34px; height: 3px; background: var(--amber); }
.hero h1 { max-width: 670px; margin: 22px 0 24px; font-family: "Microsoft YaHei", sans-serif; font-size: clamp(44px,4.1vw,68px); font-weight: 800; line-height: 1.13; }
.hero h1 em { display: block; margin-top: 12px; color: var(--mint); font-size: .56em; font-style: normal; font-weight: 600; }
.hero-copy > p { max-width: 535px; margin: 0; color: rgba(255,255,255,.74); font-size: 17px; }
.hero-actions { display: flex; margin-top: 34px; gap: 11px; }
.button { display: inline-flex; min-height: 48px; padding: 0 23px; align-items: center; justify-content: center; gap: 27px; border: 1px solid transparent; border-radius: 0; font-size: 14px; font-weight: 700; transition: background 180ms ease, color 180ms ease, transform 180ms var(--ease); }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--amber); color: #272115; }
.button-primary:hover { background: var(--amber-soft); }
.button-secondary { border-color: rgba(255,255,255,.48); color: var(--white); }
.button-secondary:hover { background: var(--white); color: var(--forest-dark); }
.hero-meta { display: flex; margin-top: 28px; gap: 24px; color: rgba(255,255,255,.62); font-size: 12px; }
.hero-meta span { display: flex; align-items: center; gap: 8px; }
.hero-meta i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.hero-dashboard { position: relative; border: 1px solid rgba(255,255,255,.42); border-radius: 0; background: rgba(244,246,239,.93); color: var(--ink); box-shadow: 18px 18px 0 rgba(4,36,27,.56); }
.hero-dashboard::before { position: absolute; top: -8px; right: -8px; width: 38px; height: 38px; border-top: 4px solid var(--amber); border-right: 4px solid var(--amber); content: ""; }
.dash-top { display: flex; padding: 17px 19px; border-bottom: 1px solid var(--line-strong); align-items: center; justify-content: space-between; }
.dash-top > div { display: grid; line-height: 1.3; }
.dash-top span { color: var(--ink-soft); font: 9px Consolas, monospace; letter-spacing: 1px; }
.dash-top strong { margin-top: 4px; font-size: 15px; }
.dash-top .live-badge { display: flex; align-items: center; gap: 7px; color: var(--forest); }
.live-badge i { width: 7px; height: 7px; border-radius: 50%; background: var(--forest); animation: pulse 1.8s infinite; }
.chart-stage { position: relative; height: 224px; overflow: hidden; background: linear-gradient(rgba(11,93,70,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(11,93,70,.1) 1px, transparent 1px); background-size: 38px 38px; }
.chart-bars { position: absolute; inset: 45px 24px 30px; display: flex; align-items: flex-end; gap: 12px; }
.chart-bars span { width: 100%; height: var(--h); min-height: 18px; border-top: 2px solid var(--forest); background: rgba(11,93,70,.18); }
.chart-line { position: absolute; inset: 0; }
.chart-line i { position: absolute; height: 3px; background: var(--amber); transform-origin: left center; }
.chart-line i:nth-child(1) { top: 120px; left: 7%; width: 21%; transform: rotate(-12deg); }
.chart-line i:nth-child(2) { top: 111px; left: 27%; width: 19%; transform: rotate(17deg); }
.chart-line i:nth-child(3) { top: 122px; left: 45%; width: 19%; transform: rotate(-28deg); }
.chart-line i:nth-child(4) { top: 100px; left: 61%; width: 20%; transform: rotate(13deg); }
.chart-line i:nth-child(5) { top: 110px; left: 80%; width: 13%; transform: rotate(-25deg); }
.chart-caption { position: absolute; right: 13px; bottom: 8px; color: var(--ink-soft); font: 9px Consolas, monospace; }
.dash-stats { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-strong); }
.dash-stats div { display: grid; min-width: 0; padding: 15px 17px; }
.dash-stats div + div { border-left: 1px solid var(--line-strong); }
.dash-stats span { color: var(--ink-soft); font-size: 10px; }
.dash-stats strong { margin-top: 3px; color: var(--forest); font: 22px Consolas, monospace; }
.dash-stats .status-text { color: var(--forest); font-family: inherit; font-size: 14px; }
.scroll-cue { position: absolute; bottom: 38px; left: 50%; z-index: 4; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.46); transform: translateX(-50%) rotate(45deg); }
.scroll-cue span { position: absolute; top: 11px; left: 18px; width: 7px; height: 7px; border-right: 2px solid var(--amber); border-bottom: 2px solid var(--amber); animation: scrollCue 1.8s ease-in-out infinite; }

/* Sections */
.section { position: relative; padding: 108px 0; }
.section-index { color: var(--forest); }
.section-heading h2, .analysis-copy h2 { margin: 12px 0 18px; font-size: clamp(30px,3vw,43px); line-height: 1.25; }
.section-heading > p, .section-heading-row > p, .analysis-copy > p { max-width: 540px; margin: 0; color: var(--ink-soft); }
.split-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 88px; }
.overview-section { background: var(--paper); }
.overview-section::before { position: absolute; top: 0; left: max(24px, calc((100% - var(--container))/2)); width: 82px; height: 8px; background: var(--forest); content: ""; }
.overview-content > p { margin: 3px 0 34px; color: var(--ink-soft); font-size: 17px; }
.feature-strip { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.feature-strip a { position: relative; display: grid; min-height: 130px; padding: 22px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: rgba(255,255,255,.24); transition: background 180ms ease, color 180ms ease; }
.feature-strip a:hover { background: var(--forest); color: var(--white); }
.feature-strip span { color: var(--amber); font: 700 10px Consolas, monospace; }
.feature-strip strong { margin-top: 10px; font-size: 18px; }
.feature-strip small { color: var(--ink-soft); font-size: 12px; }
.feature-strip a:hover small { color: rgba(255,255,255,.65); }
.keyword-section { border-block: 1px solid var(--line); background: var(--paper-warm); }
.section-heading-row { display: flex; margin-bottom: 44px; align-items: end; justify-content: space-between; gap: 48px; }
.section-heading-row h2 { margin-bottom: 0; }
.section-heading-row > p { max-width: 390px; text-align: right; }
.keyword-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.keyword-card { position: relative; min-height: 205px; padding: 25px; overflow: hidden; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: rgba(255,254,249,.45); transition: background 200ms ease, color 200ms ease; }
.keyword-card::before { position: absolute; right: -28px; bottom: -28px; width: 90px; height: 90px; border: 18px solid rgba(11,93,70,.06); border-radius: 50%; content: ""; }
.keyword-card:hover { background: var(--forest); color: var(--white); }
.keyword-card > span { color: var(--forest); font: 700 10px Consolas, monospace; }
.keyword-card:hover > span { color: var(--amber-soft); }
.keyword-card h3 { margin: 24px 0 7px; font-size: 19px; }
.keyword-card p { max-width: 260px; margin: 0; color: var(--ink-soft); font-size: 13px; }
.keyword-card:hover p { color: rgba(255,255,255,.68); }
.keyword-card > i { position: absolute; top: 21px; right: 22px; color: var(--amber); font-style: normal; font-size: 18px; }
.article-section { background: var(--white); }
.article-tabs { display: flex; padding: 3px; border: 1px solid var(--line-strong); background: var(--paper); }
.article-tabs button { min-height: 40px; padding: 0 18px; border: 0; border-radius: 0; background: transparent; color: var(--ink-soft); cursor: pointer; font-size: 13px; }
.article-tabs button.is-active { background: var(--forest); color: var(--white); }
.article-list { border-top: 2px solid var(--ink); }
.article-row { display: grid; grid-template-columns: 130px minmax(0,1fr) 130px; min-height: 168px; border-bottom: 1px solid var(--line-strong); align-items: center; gap: 38px; transition: padding 180ms var(--ease), background 180ms ease; }
.article-row:hover { padding-inline: 15px; background: var(--paper); }
.article-date { display: grid; line-height: 1; }
.article-date strong { color: var(--forest); font: 40px Georgia, serif; }
.article-date span { margin-top: 9px; color: var(--ink-soft); font: 9px Consolas, monospace; }
.article-copy > span { color: var(--forest); font-size: 11px; font-weight: 700; }
.article-copy h3 { margin: 6px 0 4px; font-size: 19px; line-height: 1.5; }
.article-copy h3 a:hover { color: var(--forest); }
.article-copy p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.article-link { display: flex; min-height: 44px; align-items: center; justify-content: space-between; color: var(--ink-soft); font-size: 12px; }
.article-link span { color: var(--amber); font-size: 19px; }

/* Analysis */
.analysis-section { overflow: hidden; background: var(--forest-dark); color: var(--white); }
.analysis-section::before { position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 56px 56px; content: ""; mask-image: linear-gradient(90deg, transparent, #000); }
.analysis-layout { position: relative; display: grid; grid-template-columns: .76fr 1.24fr; gap: 88px; align-items: center; }
.analysis-copy .section-index { color: var(--amber-soft); }
.analysis-copy > p { color: rgba(255,255,255,.67); }
.text-link { display: inline-flex; margin-top: 28px; align-items: center; gap: 28px; color: var(--white); font-size: 14px; font-weight: 700; }
.text-link span { color: var(--amber); }
.analysis-console { border: 1px solid rgba(255,255,255,.4); background: var(--paper); color: var(--ink); box-shadow: 16px 16px 0 rgba(0,0,0,.18); }
.console-head, .console-foot { display: flex; min-height: 42px; padding: 0 15px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line-strong); color: var(--ink-soft); font: 9px Consolas, monospace; }
.console-head > div { display: flex; gap: 5px; }
.console-head i { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.console-head i:nth-child(1) { background: var(--amber); }
.console-head small { color: var(--forest); font-size: 9px; }
.console-body { display: grid; grid-template-columns: .7fr 1.3fr; min-height: 326px; }
.console-radar { position: relative; margin: 40px 24px; border: 1px solid rgba(11,93,70,.36); border-radius: 50%; background: repeating-radial-gradient(circle, transparent 0 25px, rgba(11,93,70,.15) 26px 27px), linear-gradient(90deg, transparent 49.7%, rgba(11,93,70,.17) 50%, transparent 50.3%); }
.console-radar::before { position: absolute; inset: 50% 0 auto; height: 1px; background: rgba(11,93,70,.17); content: ""; }
.console-radar span { position: absolute; inset: 12%; border: 1px dashed rgba(11,93,70,.34); border-radius: 50%; animation: orbit 17s linear infinite; }
.console-radar i { position: absolute; top: 49%; left: 49%; width: 47%; height: 2px; background: linear-gradient(90deg, var(--forest), transparent); transform-origin: left; animation: radar 5s linear infinite; }
.console-radar b { position: absolute; top: 31%; left: 64%; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.metric-list { padding: 36px 26px 28px 0; }
.metric-list > div { display: grid; grid-template-columns: minmax(105px,1fr) auto; margin-bottom: 20px; align-items: center; gap: 10px; }
.metric-list span { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.metric-list span i { width: 7px; height: 7px; border-radius: 0; }
.metric-list i.cyan, .metric-list i.green { background: var(--forest); }
.metric-list i.blue { background: var(--mint); }
.metric-list i.white { background: var(--amber); }
.metric-list strong { color: var(--ink-soft); font: 9px Consolas, monospace; font-weight: 400; }
.metric-list b { grid-column: 1/-1; height: 4px; overflow: hidden; background: #d8ddd5; }
.metric-list b i { display: block; width: var(--w); height: 100%; background: linear-gradient(90deg, var(--forest), var(--amber)); }
.console-foot { border-top: 1px solid var(--line-strong); border-bottom: 0; }

/* Footer */
.site-footer { position: relative; overflow: hidden; padding-top: 80px; border-top: 10px solid var(--amber); background: #15201b; color: var(--white); }
.site-footer::before { position: absolute; top: 0; right: 0; width: 27%; height: 10px; background: var(--mint); content: ""; }
.footer-grid-bg { position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(#000, transparent 88%); }
.footer-shell { position: relative; display: grid; grid-template-columns: 1.3fr .75fr 1fr 1.35fr; gap: 56px; padding-bottom: 60px; }
.brand-footer { margin-bottom: 18px; }
.footer-intro p { margin: 0 0 6px; font-weight: 700; }
.footer-intro > span { color: rgba(255,255,255,.58); font-size: 12px; }
.footer-column { display: flex; flex-direction: column; gap: 9px; }
.footer-column h2, .footer-note h2 { margin: 0 0 13px; color: var(--white); font-size: 14px; }
.footer-column a { color: rgba(255,255,255,.58); font-size: 12px; transition: color 160ms ease, transform 160ms ease; }
.footer-column a:hover { color: var(--amber-soft); transform: translateX(3px); }
.footer-note { padding: 21px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.04); }
.footer-label { color: var(--amber-soft); font: 9px Consolas, monospace; letter-spacing: 1px; }
.footer-note h2 { margin-top: 9px; }
.footer-note p { margin: 0; color: rgba(255,255,255,.58); font-size: 12px; }
.footer-bottom { position: relative; display: flex; min-height: 70px; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.38); font-size: 11px; }

/* Category pages */
.category-main { min-height: 70vh; background: var(--paper); }
.category-hero { position: relative; padding: 158px 0 78px; overflow: hidden; background: var(--forest-dark); color: var(--white); }
.category-hero::before { position: absolute; inset: 0; background: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px); background-size: 64px 64px; content: ""; mask-image: linear-gradient(90deg, transparent, #000); }
.category-hero::after { position: absolute; right: 0; bottom: 0; left: 0; height: 8px; background: linear-gradient(90deg, var(--amber) 0 24%, var(--mint) 24% 42%, var(--forest) 42%); content: ""; }
.category-hero-layout { position: relative; display: grid; grid-template-columns: minmax(0,1fr) 190px; gap: 70px; align-items: end; }
.category-kicker { color: var(--amber-soft); font: 700 11px Consolas, monospace; letter-spacing: 1.5px; }
.category-hero h1 { max-width: 820px; margin: 16px 0 20px; font-size: clamp(35px,4vw,56px); line-height: 1.22; }
.category-hero p { max-width: 700px; margin: 0; color: rgba(255,255,255,.68); }
.category-index { display: grid; min-height: 150px; padding: 18px; border: 1px solid rgba(255,255,255,.3); align-content: space-between; }
.category-index span, .category-index small { color: rgba(255,255,255,.55); font: 9px Consolas, monospace; }
.category-index strong { color: var(--amber); font: 58px Georgia, serif; line-height: 1; }
.category-layout { display: grid; grid-template-columns: minmax(0,1fr) 310px; gap: 72px; align-items: start; }
.category-section-head { display: flex; margin-bottom: 30px; align-items: end; justify-content: space-between; gap: 30px; }
.category-section-head span { color: var(--forest); font: 700 10px Consolas, monospace; letter-spacing: 1px; }
.category-section-head h2 { margin: 8px 0 0; font-size: 30px; }
.category-section-head p { max-width: 330px; margin: 0; color: var(--ink-soft); font-size: 13px; text-align: right; }
.category-list { border-top: 2px solid var(--ink); }
.category-item { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 25px; padding: 31px 0; border-bottom: 1px solid var(--line-strong); }
.category-item-no { color: var(--amber); font: 28px Georgia, serif; }
.category-item-tag { color: var(--forest); font-size: 11px; font-weight: 700; }
.category-item h2 { margin: 6px 0 8px; font-size: 20px; line-height: 1.5; }
.category-item p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.category-aside { position: sticky; top: calc(var(--header-height) + 28px); padding: 26px; border-top: 5px solid var(--amber); background: var(--forest); color: var(--white); }
.category-aside h2 { margin: 9px 0 18px; font-size: 23px; }
.category-aside ul { margin: 0; padding: 0; list-style: none; }
.category-aside li { position: relative; padding: 13px 0 13px 19px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.75); font-size: 13px; }
.category-aside li::before { position: absolute; top: 21px; left: 0; width: 7px; height: 7px; background: var(--amber); content: ""; }
.category-notice { margin-top: 22px; padding: 18px; background: rgba(0,0,0,.14); }
.category-notice strong { color: var(--amber-soft); font-size: 13px; }
.category-notice p { margin: 7px 0 0; color: rgba(255,255,255,.62); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 520ms var(--ease), transform 520ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.keyword-card:nth-child(2), .article-row:nth-child(2) { transition-delay: 60ms; }
.keyword-card:nth-child(3), .article-row:nth-child(3) { transition-delay: 120ms; }

@keyframes scan { 0% { top: 20%; opacity: 0; } 15%,85% { opacity: 1; } 100% { top: 82%; opacity: 0; } }
@keyframes orbit { to { transform: translate(-50%,-50%) rotate(360deg); } }
@keyframes radar { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .35; transform: scale(.75); } }
@keyframes scrollCue { 0% { opacity: 0; transform: translate(0,0); } 35% { opacity: 1; } 100% { opacity: 0; transform: translate(6px,6px); } }

@media (max-width: 1060px) {
    .site-nav a { padding-inline: 10px; }
    .hero-layout { grid-template-columns: 1fr 390px; gap: 38px; }
    .footer-shell { grid-template-columns: 1.2fr .8fr 1fr; }
    .footer-note { grid-column: 1/-1; }
}
@media (max-width: 900px) {
    :root { --header-height: 68px; }
    .menu-toggle { display: block; }
    .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    .site-nav { position: fixed; top: var(--header-height); right: 0; left: 0; display: grid; height: auto; max-height: 0; padding: 0 24px; overflow: hidden; background: rgba(243,245,239,.98); color: var(--ink); opacity: 0; transition: max-height 240ms var(--ease), opacity 160ms ease, padding 240ms ease; }
    .site-nav.is-open { max-height: 480px; padding-block: 14px 22px; border-bottom: 1px solid var(--line); opacity: 1; }
    .site-nav a { justify-content: start; }
    .site-nav a::after { right: auto; left: 10px; width: 30px; }
    body.menu-open { overflow: hidden; }
    .hero { min-height: 860px; padding: 126px 0 96px; align-items: start; }
    .hero-layout { grid-template-columns: 1fr; gap: 52px; }
    .hero-copy { max-width: 700px; }
    .hero-dashboard { width: min(100%,620px); justify-self: center; }
    .hero-visual { left: 18%; }
    .scroll-cue { display: none; }
    .split-layout, .analysis-layout { grid-template-columns: 1fr; gap: 43px; }
    .keyword-grid { grid-template-columns: repeat(2,1fr); }
    .footer-shell { grid-template-columns: 1fr 1fr; }
    .footer-note { grid-column: auto; }
    .category-layout { grid-template-columns: 1fr; gap: 45px; }
    .category-aside { position: static; }
}
@media (max-width: 640px) {
    .container, .header-shell { width: min(calc(100% - 32px), var(--container)); }
    .brand-copy strong { font-size: 17px; }
    .hero { min-height: auto; padding-top: 114px; }
    .hero::before { background: rgba(7,50,38,.86); }
    .hero-visual { inset: 0; opacity: .32; }
    .hero h1 { margin-top: 18px; font-size: 38px; overflow-wrap: anywhere; }
    .hero h1 em { font-size: .54em; line-height: 1.45; }
    .hero-copy > p { font-size: 15px; }
    .hero-actions { flex-direction: column; }
    .button { width: 100%; }
    .hero-meta { flex-direction: column; gap: 4px; }
    .hero-dashboard { box-shadow: 9px 9px 0 rgba(4,36,27,.48); }
    .chart-stage { height: 198px; }
    .chart-bars { top: 38px; }
    .chart-line { transform: translateY(-14px); }
    .dash-stats div { padding: 13px 10px; }
    .dash-stats strong { font-size: 19px; }
    .section { padding: 76px 0; }
    .section-heading-row { display: block; margin-bottom: 29px; }
    .section-heading-row > p { margin-top: 16px; text-align: left; }
    .feature-strip, .keyword-grid { grid-template-columns: 1fr; }
    .feature-strip a { min-height: 110px; }
    .keyword-card { min-height: 178px; }
    .article-tabs { width: fit-content; margin-top: 24px; }
    .article-row { grid-template-columns: 62px minmax(0,1fr); min-height: 188px; padding: 23px 0; gap: 17px; }
    .article-row:hover { padding-inline: 0; }
    .article-date strong { font-size: 30px; }
    .article-link { grid-column: 2; width: 116px; }
    .console-body { grid-template-columns: 1fr; }
    .console-radar { width: 208px; height: 208px; margin: 34px auto 0; }
    .metric-list { padding: 34px 23px 18px; }
    .footer-shell { grid-template-columns: 1fr; gap: 35px; }
    .footer-note { grid-column: auto; }
    .footer-bottom { display: block; padding: 19px 0; }
    .footer-bottom p { margin: 3px 0; }
    .category-hero { padding: 124px 0 58px; }
    .category-hero-layout { grid-template-columns: 1fr; gap: 34px; }
    .category-index { min-height: 112px; }
    .category-index strong { font-size: 43px; }
    .category-section-head { display: block; }
    .category-section-head p { margin-top: 12px; text-align: left; }
    .category-item { grid-template-columns: 48px minmax(0,1fr); gap: 15px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}