:root{--ink-black: #080a0b;--ink-raised: #111416;--warning-yellow: #f1c40f;--warning-dark: #8f7200;--case-gray: #7f8788;--case-gray-light: #b9c0bd;--evidence-paper: #f0eadb;--hairline: rgba(240,234,219,0.2);--shadow-case: 10px 12px 0 rgba(0,0,0,0.34);--case-serif: "Songti SC","Noto Serif SC","STSong",Georgia,serif;--case-sans: "PingFang SC","Microsoft YaHei",system-ui,sans-serif;--brand-1: #ffc53d;--brand-2: #f5901e;--brand-ink: #1a1a1a;}*{box-sizing: border-box;}html{scroll-behavior: smooth;scroll-padding-top: 96px;}body{min-width: 320px;margin: 0;overflow-x: clip;color: var(--evidence-paper);background: linear-gradient(rgba(240,234,219,0.025) 1px,transparent 1px),linear-gradient(90deg,rgba(240,234,219,0.025) 1px,transparent 1px),var(--ink-black);background-size: 48px 48px;font-family: var(--case-sans);text-rendering: optimizeLegibility;}button{color: inherit;font: inherit;}img{display: block;width: 100%;height: 100%;object-fit: cover;}h1,h2,h3,h4,p,dl,dd,figure,ul{margin: 0;}ul{padding: 0;list-style: none;}.reading-progress{position: fixed;inset: 0 auto auto 0;z-index: 100;width: var(--reading-progress,0%);height: 3px;background: var(--warning-yellow);pointer-events: none;}.site-header{position: sticky;top: 0;z-index: 80;border-bottom: 1px solid var(--hairline);background: rgba(8,10,11,0.94);backdrop-filter: blur(16px);}.header-inner,.section-shell,.hero,.footer-inner{width: min(100% - 32px,1240px);margin-inline: auto;}.header-inner{display: grid;gap: 12px;padding-block: 13px 11px;}.brand-lockup,.footer-brand{display: inline-flex;align-items: center;gap: 10px;width: max-content;}.brand-text{display: grid;gap: 2px;}.brand-name{color: var(--evidence-paper);font-size: 18px;font-weight: 800;letter-spacing: .06em;}.brand-en{color: var(--case-gray-light);font-size: 8px;letter-spacing: .2em;}.brand-mark{position: static !important;display: block;width: 34px;height: 34px;flex: 0 0 34px;border: 0 !important;border-radius: 0 !important;background: none !important;box-shadow: none !important;transform: none !important;}.brand-mark::before,.brand-mark::after{content: none !important;}.brand-mark.is-compact .mark-leaf{display: none;}.site-header nav{min-width: 0;overflow-x: auto;scrollbar-width: none;}.site-header nav::-webkit-scrollbar{display: none;}.site-header nav a{display: inline-block;margin-right: 18px;padding: 5px 0 7px;border-bottom: 2px solid transparent;color: var(--case-gray-light);font-size: 12px;font-weight: 700;text-decoration: none;white-space: nowrap;}.site-header nav a:last-child{margin-right: 0;}.site-header nav a:hover,.site-header nav a:focus-visible{border-bottom-color: var(--warning-yellow);color: var(--warning-yellow);outline: none;}.hero{position: relative;display: grid;gap: 30px;min-height: 680px;padding-block: 52px 64px;}.hero::before{content: "CASE / 05";position: absolute;inset: 24px 0 auto auto;color: rgba(241,196,15,0.1);font: 900 clamp(64px,16vw,164px)/1 var(--case-sans);letter-spacing: -.07em;pointer-events: none;}.hero-copy{position: relative;z-index: 3;max-width: 660px;}.eyebrow,.section-kicker{color: var(--warning-yellow);font-size: 11px;font-weight: 900;letter-spacing: .22em;text-transform: uppercase;}h1,h2,h3{font-family: var(--case-serif);}h1{max-width: 10em;margin-top: 17px;font-size: clamp(42px,12vw,76px);font-weight: 700;letter-spacing: -.045em;line-height: 1.06;}.hero-lead{max-width: 39em;margin-top: 24px;color: var(--case-gray-light);font-size: 15px;line-height: 1.9;}.hero-index{display: grid;grid-template-columns: repeat(3,minmax(0,1fr));max-width: 520px;margin-top: 30px;border-top: 2px solid var(--warning-yellow);}.hero-index > div{padding: 14px 8px 0 0;}.hero-index dt{color: var(--warning-yellow);font: 800 24px/1 var(--case-sans);}.hero-index dd{margin-top: 7px;color: var(--case-gray-light);font-size: 11px;}.hero-board{position: relative;min-height: 390px;}.hero-file{position: absolute;width: 46%;height: 78%;overflow: hidden;border: 1px solid rgba(240,234,219,.4);border-radius: 0;background: var(--ink-raised);box-shadow: var(--shadow-case);}.hero-file::after{content: "";position: absolute;inset: 0;background: linear-gradient(180deg,transparent 48%,rgba(0,0,0,.86));}.hero-file-1{left: 0;top: 45px;transform: rotate(-3deg);}.hero-file-2{left: 27%;top: 0;z-index: 2;transform: rotate(2deg);}.hero-file-3{right: 0;top: 55px;transform: rotate(-1deg);}.hero-file figcaption{position: absolute;z-index: 2;inset: auto 12px 12px;color: var(--evidence-paper);font: 700 14px/1.35 var(--case-serif);}.hero-file figcaption span{display: block;margin-bottom: 5px;color: var(--warning-yellow);font: 800 9px/1 var(--case-sans);letter-spacing: .18em;}.hero-caption{position: relative;z-index: 3;color: var(--case-gray-light);font-size: 11px;line-height: 1.7;}.section-shell{padding-block: 68px;border-top: 1px solid var(--hairline);}.section-heading{display: grid;gap: 13px;max-width: 900px;}.section-heading h2{font-size: clamp(34px,8vw,60px);line-height: 1.14;letter-spacing: -.035em;}.section-lead{max-width: 58em;margin-top: 22px;color: var(--case-gray-light);font-size: 14px;line-height: 1.9;}.filter-list{display: flex;flex-wrap: wrap;gap: 8px;margin-top: 28px;}.filter-list button{min-height: 42px;padding: 8px 14px;border: 1px solid var(--hairline);border-radius: 0;color: var(--case-gray-light);background: #0d1011;cursor: pointer;}.filter-list button[aria-pressed="true"],.filter-list button:hover,.filter-list button:focus-visible{border-color: var(--warning-yellow);color: var(--ink-black);background: var(--warning-yellow);outline: none;}.catalog-grid{display: grid;gap: 18px;margin-top: 30px;}.case-card{display: grid;grid-template-columns: 112px minmax(0,1fr);min-width: 0;border: 1px solid rgba(240,234,219,.3);border-radius: 0;background: var(--ink-raised);box-shadow: 5px 6px 0 rgba(241,196,15,.08);}.case-card[hidden]{display: none;}.case-cover{position: relative;min-height: 190px;overflow: hidden;border-right: 1px solid var(--hairline);}.evidence-number{position: absolute;inset: 8px auto auto 8px;padding: 5px 7px;color: var(--ink-black);background: var(--warning-yellow);font-size: 10px;font-weight: 900;letter-spacing: .1em;}.case-copy{min-width: 0;padding: 15px;}.tag-row{display: flex;flex-wrap: wrap;gap: 5px;}.tag{padding: 3px 6px;border: 1px solid rgba(241,196,15,.55);color: var(--warning-yellow);font-size: 10px;}.case-copy h3{margin-top: 11px;font-size: 21px;line-height: 1.3;}.card-synopsis,.clue-note,.editor-tier{margin-top: 9px;color: var(--case-gray-light);font-size: 13px;line-height: 1.7;}.clue-note strong,.editor-tier strong{display: block;margin-bottom: 3px;color: var(--warning-yellow);font-size: 10px;letter-spacing: .08em;}.narrative{position: relative;}.evidence-chain{display: grid;margin-top: 32px;border-left: 2px solid var(--warning-yellow);}.chain-step{position: relative;padding: 0 0 31px 25px;}.chain-step:last-child{padding-bottom: 0;}.chain-step::before{content: attr(data-step);position: absolute;left: -15px;top: 0;display: grid;place-items: center;width: 28px;height: 28px;color: var(--ink-black);background: var(--warning-yellow);font-size: 10px;font-weight: 900;}.chain-step h3{font-size: 24px;}.chain-step p{max-width: 62em;margin-top: 9px;color: var(--case-gray-light);font-size: 14px;line-height: 1.9;}.encyclopedia{background: var(--evidence-paper);color: var(--ink-black);box-shadow: 0 0 0 100vmax var(--evidence-paper);clip-path: inset(0 -100vmax);}.encyclopedia .section-kicker{color: #665100;}.encyclopedia .section-lead{color: #44494a;}.glossary-title{margin-top: 28px;font-size: 22px;}.glossary-grid{display: grid;gap: 0;margin-top: 14px;border-top: 2px solid var(--ink-black);}.glossary-item{display: grid;grid-template-columns: minmax(110px,.4fr) minmax(0,1fr);gap: 16px;padding: 17px 0;border-bottom: 1px solid rgba(8,10,11,.25);}.glossary-item dt{font: 700 17px/1.5 var(--case-serif);}.glossary-item dd{color: #414647;font-size: 14px;line-height: 1.75;}.faq-list{display: grid;gap: 10px;margin-top: 30px;}.faq-item{border: 1px solid var(--hairline);border-radius: 0;background: var(--ink-raised);}.faq-item h3{padding: 17px 18px 10px;color: var(--warning-yellow);font-size: 18px;}.faq-item p{padding: 0 18px 18px;color: var(--case-gray-light);font-size: 14px;line-height: 1.85;}.brand-about{display: grid;gap: 24px;margin-top: 30px;}.ba-tagline{color: var(--warning-yellow);font: 700 24px/1.3 var(--case-serif);}.ba-body,.ba-queries dd{color: var(--case-gray-light);font-size: 14px;line-height: 1.85;}.ba-body + .ba-body{margin-top: 12px;}.ba-queries{display: grid;gap: 12px;}.ba-queries > div{border-left: 2px solid var(--warning-yellow);padding-left: 13px;}.ba-queries dt{color: var(--evidence-paper);font-weight: 800;}.ba-queries dd{margin-top: 5px;}.about-facts{display: grid;gap: 1px;margin-top: 30px;background: var(--hairline);}.about-facts > div{padding: 15px;background: var(--ink-raised);}.about-facts dt{color: var(--warning-yellow);font-size: 11px;font-weight: 900;letter-spacing: .08em;}.about-facts dd{margin-top: 7px;color: var(--case-gray-light);font-size: 14px;line-height: 1.75;}.about-editorial{margin-top: 24px;padding: 15px;border-left: 2px solid var(--warning-yellow);color: var(--case-gray-light);line-height: 1.8;}.site-footer{border-top: 1px solid var(--hairline);background: #050607;}.footer-inner{display: grid;gap: 12px;padding-block: 30px;color: var(--case-gray-light);font-size: 12px;}.footer-brand strong{color: var(--evidence-paper);font-size: 17px;}.site-footer > .footer-brand,.site-footer > .footer-evidence{width: min(100% - 32px,1240px);margin-inline: auto;}.site-footer > .footer-brand{padding-top: 28px;}.footer-evidence{margin-top: 18px;margin-bottom: 0;padding-bottom: 30px;}.footer-evidence > div{border-left: 2px solid var(--warning-yellow);padding-left: 13px;}.footer-evidence dt{color: var(--evidence-paper);font-size: 11px;font-weight: 900;letter-spacing: .08em;}.footer-evidence dd{margin: 6px 0 0;color: var(--case-gray-light);font-size: 12px;line-height: 1.75;}.back-to-top{position: fixed;right: 18px;bottom: 18px;z-index: 70;min-width: 48px;min-height: 48px;border: 1px solid var(--warning-yellow);border-radius: 0;opacity: 0;visibility: hidden;pointer-events: none;color: var(--ink-black);background: var(--warning-yellow);font-weight: 800;transition: opacity .2s ease;}.back-to-top.is-visible{opacity: 1;visibility: visible;pointer-events: auto;}img[data-crop-key="mystery-hero-01"]{object-fit: cover;object-position: 50% 28%;}img[data-crop-key="mystery-hero-02"]{object-fit: cover;object-position: 49% 25%;}img[data-crop-key="mystery-hero-03"]{object-fit: cover;object-position: 52% 30%;}img[data-crop-key="mystery-catalog-01"]{object-fit: cover;object-position: 50% 20%;}img[data-crop-key="mystery-catalog-02"]{object-fit: cover;object-position: 50% 25%;}img[data-crop-key="mystery-catalog-03"]{object-fit: cover;object-position: 49% 27%;}img[data-crop-key="mystery-catalog-04"]{object-fit: cover;object-position: 53% 24%;}img[data-crop-key="mystery-catalog-05"]{object-fit: cover;object-position: 50% 22%;}img[data-crop-key="mystery-catalog-06"]{object-fit: cover;object-position: 48% 25%;}img[data-crop-key="mystery-catalog-07"]{object-fit: cover;object-position: 51% 30%;}img[data-crop-key="mystery-catalog-08"]{object-fit: cover;object-position: 50% 24%;}img[data-crop-key="mystery-catalog-09"]{object-fit: cover;object-position: 52% 23%;}img[data-crop-key="mystery-catalog-10"]{object-fit: cover;object-position: 50% 26%;}@media (min-width: 720px){.header-inner{grid-template-columns: auto minmax(0,1fr);align-items: center;}.site-header nav{justify-self: end;}.hero{grid-template-columns: minmax(0,.9fr) minmax(420px,1.1fr);align-items: center;gap: 48px;}.hero-caption{grid-column: 2;}.catalog-grid{grid-template-columns: repeat(2,minmax(0,1fr));}.glossary-grid,.faq-list,.about-facts{grid-template-columns: repeat(2,minmax(0,1fr));}.brand-about{grid-template-columns: 1fr 1fr;}.footer-inner{grid-template-columns: auto 1fr;align-items: center;}.footer-inner > p{justify-self: end;}}@media (min-width: 1120px){.hero{min-height: 760px;}.catalog-grid{grid-template-columns: repeat(2,minmax(0,1fr));gap: 22px;}.case-card{grid-template-columns: 168px minmax(0,1fr);}.case-cover{min-height: 255px;}.section-shell{padding-block: 88px;}.evidence-chain{grid-template-columns: repeat(5,minmax(0,1fr));border-top: 2px solid var(--warning-yellow);border-left: 0;}.chain-step{padding: 25px 18px 0 0;}.chain-step::before{left: 0;top: -15px;}}@media (max-width: 719px){.site-header nav a,.filter-list button,.back-to-top{min-width: 44px;min-height: 44px;}.hero-lead,.section-lead,.card-synopsis,.clue-note,.faq-item p,.about-facts dd{font-size: 16px;line-height: 1.7;}.case-card{grid-template-columns: 106px minmax(0,1fr);}.case-copy{padding: 13px;}.case-copy h3{font-size: 20px;}.tag,.clue-note strong,.editor-tier strong{font-size: 12px;line-height: 1.5;}}@media (prefers-reduced-motion: reduce){html{scroll-behavior: auto;}.back-to-top{transition: none;}}