/* Hallmark · macrostructure: Map / Diagram · layout: evidence board / spatial route map · theme: red-thread-caseboard */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Libre+Baskerville:wght@400;700&display=swap');

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.65; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.masthead { min-height: 76px; padding: 15px 4.5vw; background: var(--night); color: var(--cream); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 28px; border-bottom: 1px solid rgba(248,243,232,.18); }
.mast-brand { display: flex; gap: 18px; align-items: baseline; letter-spacing: .08em; }
.mast-kicker, .eyebrow, .micro, .archive-stamp, .art-stamp, .footer-status, .footer-entry p, .note-meta, .entry-ticket span { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.mast-kicker { color: #a9b5ae; }
.mast-code { color: #efc6a6; }
.masthead nav { display: flex; gap: 22px; font-size: 13px; }
.masthead nav a { color: #bfc8c1; border-bottom: 1px solid transparent; padding-bottom: 3px; }
.masthead nav a:hover, .masthead nav a.is-active { color: #fff4e4; border-color: var(--rust); }
.mast-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; border: 1px solid currentColor; border-radius: 2px; font-weight: 700; font-size: 13px; transition: transform .2s ease, background .2s ease; }
.mast-cta { color: #fff4e4; border-color: #a95139; }
.mast-cta:hover, .button:hover { transform: translateY(-2px); }
.button--rust { background: var(--rust); color: #fff7eb; border-color: var(--rust); }
.button--line { color: var(--ink); border-color: var(--ink); }
.button--paper { color: var(--cream); border-color: #cfbda5; background: transparent; }
.threshold { min-height: calc(100vh - 76px); padding: 7vw 7vw 8vw; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 7vw; align-items: center; background: #111b20 url('../images/renjianmuchang-evidence-board-01.png') center/cover; position: relative; isolation: isolate; }
.threshold::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,17,20,.76), rgba(10,17,20,.45) 49%, rgba(10,17,20,.9)); z-index: -1; }
.threshold-copy { color: var(--cream); max-width: 560px; }
.threshold h1 { font-family: var(--serif); font-size: clamp(54px, 8vw, 112px); letter-spacing: -.08em; line-height: .95; margin: 20px 0 28px; font-weight: 400; }
.threshold h1 em { color: #e5bca0; font-size: .74em; font-style: normal; letter-spacing: -.05em; }
.threshold .lead { font-size: clamp(18px, 2.1vw, 25px); line-height: 1.55; color: #dce0d7; max-width: 520px; }
.eyebrow { color: var(--rust); margin: 0 0 10px; }
.threshold .eyebrow { color: #dda789; }
.threshold-art { position: relative; border: 1px solid rgba(239,198,166,.35); padding: 12px 12px 36px; background: rgba(19,31,35,.44); transform: rotate(-2deg); box-shadow: 18px 20px 0 rgba(0,0,0,.22); max-width: 670px; }
.threshold-art img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: saturate(.78) contrast(1.05); }
.art-stamp { position: absolute; bottom: 10px; left: 15px; color: #d8c9b5; }
.notice { display: flex; gap: 13px; align-items: flex-start; border-left: 2px solid var(--rust); padding: 10px 0 10px 14px; margin: 28px 0; color: #cdd4cb; font-size: 13px; }
.notice span { font-family: var(--mono); color: #efb29c; font-weight: 700; }
.notice p { margin: 0; max-width: 480px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.threshold .button--line { color: var(--cream); border-color: rgba(248,243,232,.6); }
.micro { margin-top: 24px; color: #a6b1aa; }
.case-map-section, .files-section, .route-section, .faq-section, .note-section, .final-entry, .gallery-shell, .download-layout, .download-steps, .guide-map, .guide-columns, .related-guides { padding: 8vw 8vw; }
.section-head { max-width: 680px; margin-bottom: 42px; }
.section-head h2, .route-intro h2, .note-card h2, .final-entry h2, .page-hero h1, .guide-map h2, .download-steps h2, .article-page h1 { font-family: var(--serif); font-weight: 400; letter-spacing: -.055em; line-height: 1.08; }
.section-head h2, .route-intro h2, .note-card h2, .final-entry h2, .guide-map h2, .download-steps h2 { font-size: clamp(35px, 5vw, 70px); margin: 0 0 17px; }
.section-head p, .route-intro > p { color: var(--ink-soft); max-width: 620px; }
.section-head--split { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.text-link { font-family: var(--mono); font-size: 12px; border-bottom: 1px solid var(--rust); padding-bottom: 4px; }
.case-map-section { background: var(--paper-deep); }
.case-map { min-height: 570px; position: relative; overflow: hidden; background: #d1c8b5 url('../images/renjianmuchang-evidence-board-01.png') center/cover; border: 1px solid rgba(29,35,36,.25); box-shadow: var(--shadow); }
.case-map::after { content: ''; position: absolute; inset: 0; background: rgba(221,213,195,.62); pointer-events: none; }
.map-grid { min-height: 570px; position: relative; z-index: 1; }
.map-node { position: absolute; width: 205px; padding: 17px 18px 15px; background: rgba(248,243,232,.92); border: 1px solid var(--ink); box-shadow: 7px 8px 0 rgba(29,35,36,.13); }
.map-node:nth-of-type(odd) { transform: rotate(-1.5deg); }
.map-node span, .route-step > span, .guide-route article > span, .step-grid b { color: var(--rust); font: 500 12px var(--mono); }
.map-node h3 { margin: 3px 0 4px; font-family: var(--serif); font-size: 26px; font-weight: 400; }
.map-node p { margin: 0; font-size: 12px; color: var(--ink-soft); line-height: 1.5; }
.node-01 { top: 20%; left: 7%; } .node-02 { top: 9%; left: 37%; } .node-03 { top: 50%; left: 32%; } .node-04 { top: 23%; right: 8%; } .node-05 { bottom: 9%; right: 16%; }
.map-line { position: absolute; height: 1px; background: var(--rust); transform-origin: left center; z-index: -1; opacity: .85; }
.line-one { top: 26%; left: 23%; width: 230px; transform: rotate(-14deg); } .line-two { top: 29%; left: 49%; width: 225px; transform: rotate(-10deg); } .line-three { top: 57%; left: 48%; width: 265px; transform: rotate(18deg); }
.map-legend { position: absolute; bottom: 20px; left: 24px; font: 11px var(--mono); color: var(--ink-soft); display: flex; gap: 8px; align-items: center; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rust); } .legend-thread { width: 30px; height: 1px; background: var(--rust); margin-left: 10px; }
.files-section { background: var(--paper); }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; align-items: start; }
.gallery-item { appearance: none; border: 0; background: #d5ccba; padding: 10px 10px 30px; text-align: left; cursor: pointer; box-shadow: 0 12px 30px rgba(29,35,36,.12); transition: transform .2s ease; }
.gallery-item:nth-child(2) { margin-top: 44px; transform: rotate(1.5deg); } .gallery-item:nth-child(3) { margin-top: 12px; transform: rotate(-1deg); } .gallery-item:hover { transform: translateY(-5px) rotate(0); }
.gallery-item img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; } .gallery-item span { display: block; padding-top: 11px; font: 12px var(--mono); color: var(--ink-soft); }
.gallery-item--wide { grid-column: span 2; }
.route-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 8vw; background: var(--night); color: var(--cream); }
.route-intro h2 { color: var(--cream); } .route-intro > p { color: #b9c4bc; } .route-intro .eyebrow { color: #dda789; }
.route-steps { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; align-self: center; border-top: 1px solid rgba(248,243,232,.28); }
.route-step { padding: 28px 24px 25px 0; border-bottom: 1px solid rgba(248,243,232,.28); } .route-step h3 { margin: 8px 0; font-family: var(--serif); font-weight: 400; font-size: 26px; } .route-step p { margin: 0; color: #b9c4bc; font-size: 13px; }
.note-section { background: #bba895; padding-top: 5vw; padding-bottom: 5vw; } .note-card { max-width: 900px; padding: 42px; border: 1px solid rgba(29,35,36,.45); background: #d8c7b4; box-shadow: 12px 12px 0 rgba(121,59,45,.32); } .note-card h2 { font-size: clamp(34px, 4vw, 57px); } .note-card p:not(.eyebrow) { max-width: 690px; color: var(--ink-soft); } .note-meta { display: flex; flex-wrap: wrap; gap: 15px 26px; border-top: 1px solid var(--line); padding-top: 17px; margin-top: 25px; color: var(--rust-dark); }
.faq-section { background: var(--paper); } .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; max-width: 980px; } details { border-top: 1px solid var(--line); padding: 17px 0; } details:last-child { border-bottom: 1px solid var(--line); } summary { cursor: pointer; font-family: var(--serif); font-size: 21px; } details p { color: var(--ink-soft); max-width: 520px; }
.final-entry { background: var(--rust-dark); color: var(--cream); text-align: center; } .final-entry .eyebrow { color: #efc6a6; } .final-entry h2 { font-size: clamp(38px, 6vw, 78px); } .final-entry .actions { justify-content: center; } .final-entry .button--line { color: var(--cream); border-color: rgba(248,243,232,.65); }
.site-footer { background: #0b1114; color: var(--cream); padding: 29px 4.5vw 46px; } .footer-mast { display: flex; align-items: center; gap: 18px; color: #b8c2b9; } .footer-rule { height: 1px; background: rgba(248,243,232,.2); flex: 1; } .footer-status { color: #dda789; } .footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 40px; padding-top: 36px; } .footer-title { font: 26px var(--serif); margin: 0 0 6px; } .footer-copy, .footer-entry p { color: #98a59c; font-size: 12px; } .footer-links { display: grid; gap: 8px; font-size: 13px; color: #c5cdc5; } .footer-links a:hover { color: #efc6a6; } .footer-entry { text-align: right; } .footer-entry .button { display: inline-flex; } 
.page-main { min-height: 60vh; } .page-hero { padding: 9vw 8vw 7vw; background: var(--night); color: var(--cream); position: relative; overflow: hidden; } .page-hero::after { content: 'RM / 3953160'; position: absolute; right: 8vw; bottom: 4vw; color: rgba(248,243,232,.17); font: 54px var(--mono); letter-spacing: -.08em; } .page-hero .eyebrow { color: #dda789; } .page-hero h1 { font-size: clamp(55px, 9vw, 125px); margin: 0 0 18px; } .page-hero > p:not(.eyebrow) { color: #b9c4bc; max-width: 650px; font-size: 18px; }
.archive-stamp { display: inline-block; margin-top: 34px; padding: 9px 12px; border: 1px solid rgba(239,198,166,.45); color: #efc6a6; } .gallery-shell { padding-top: 4vw; } .filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 30px; } .filter-tabs button { border: 1px solid var(--line); background: transparent; color: var(--ink-soft); padding: 8px 14px; cursor: pointer; } .filter-tabs button.is-active, .filter-tabs button:hover { background: var(--ink); color: var(--cream); } .gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; } .gallery-grid .gallery-item:nth-child(3n + 2) { margin-top: 38px; } .is-hidden { display: none !important; }
.lightbox, .route-modal { border: 1px solid rgba(248,243,232,.3); background: #0c1418; color: var(--cream); max-width: min(94vw, 1100px); padding: 35px; } dialog::backdrop { background: rgba(5,10,11,.72); backdrop-filter: blur(4px); } .lightbox figure { margin: 0 48px; } .lightbox img { display: block; max-width: 100%; max-height: 78vh; margin: auto; } .lightbox figcaption { color: #d6c7b7; font: 12px var(--mono); padding-top: 12px; } .modal-close { position: absolute; right: 13px; top: 8px; border: 0; color: var(--cream); background: transparent; font-size: 28px; cursor: pointer; } .lightbox-nav { position: absolute; top: 50%; transform: translateY(-50%); background: transparent; color: var(--cream); border: 1px solid rgba(248,243,232,.38); width: 34px; height: 34px; cursor: pointer; } .lightbox-prev { left: 12px; } .lightbox-next { right: 12px; } .route-modal { width: min(560px, 90vw); } .route-modal h2 { font: 38px var(--serif); margin: 6px 0 20px; } .route-modal li { margin: 12px 0; }
.page-hero--split { display: flex; justify-content: space-between; gap: 40px; align-items: end; } .entry-ticket { display: grid; grid-template-columns: auto auto; gap: 7px 20px; padding: 20px; border: 1px solid rgba(248,243,232,.28); min-width: 240px; } .entry-ticket strong { font: 24px var(--serif); color: #efc6a6; } .entry-ticket span { color: #aebbb1; }
.download-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 26px; background: var(--paper-deep); } .platform-card, .spec-card { padding: 34px; border: 1px solid var(--line); background: rgba(248,243,232,.48); } .platform-card h2 { font: 55px var(--serif); margin: 0 0 14px; } .platform-card p { color: var(--ink-soft); } .platform-card .button { margin: 20px 8px 0 0; } .spec-row { display: grid; grid-template-columns: 135px 1fr; gap: 20px; padding: 19px 0; border-top: 1px solid var(--line); } .spec-row span { font: 12px var(--mono); color: var(--rust-dark); } .spec-row p { margin: 0; color: var(--ink-soft); font-size: 14px; }
.download-steps { background: var(--paper); } .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; } .step-grid > div { border-top: 2px solid var(--rust); padding-top: 15px; } .step-grid b { font-size: 20px; } .step-grid h3 { font: 27px var(--serif); margin: 10px 0; } .step-grid p { color: var(--ink-soft); font-size: 14px; }
.guide-map { background: var(--paper-deep); } .guide-map-title { display: flex; justify-content: space-between; align-items: end; border-bottom: 1px solid var(--line); padding-bottom: 25px; } .guide-map-title span { font: 12px var(--mono); color: var(--rust-dark); } .guide-route { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 70px; background: var(--line); } .guide-route article { min-height: 270px; padding: 25px; background: #d9cfbd; position: relative; } .guide-route article:not(:last-child)::after { content: '→'; position: absolute; right: -14px; top: 32px; z-index: 2; color: var(--rust); font-size: 23px; } .guide-route article > span { font-size: 25px; } .guide-route h3 { font: 30px var(--serif); margin: 40px 0 10px; } .guide-route p { color: var(--ink-soft); font-size: 14px; }
.guide-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; background: var(--paper); } .long-note { max-width: 560px; } .long-note h2 { font: 40px var(--serif); margin: 10px 0 18px; } .long-note p { color: var(--ink-soft); } .related-guides { background: var(--night); color: var(--cream); } .related-guides .eyebrow { color: #dda789; } .related-guides h2 { font: 50px var(--serif); margin: 0 0 30px; } .article-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0 30px; } .article-links a { border-top: 1px solid rgba(248,243,232,.28); padding: 15px 0; color: #d9dfd7; } .article-links a:hover { color: #efc6a6; }
.article-page { max-width: 850px; margin: 0 auto; padding: 10vw 7vw 12vw; } .article-page h1 { font-size: clamp(47px, 7vw, 90px); margin: 10px 0 20px; } .article-dek { font-size: 20px; color: var(--ink-soft); max-width: 670px; } .article-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; margin: 30px 0 45px; padding: 13px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 11px var(--mono); color: var(--rust-dark); } .article-page > p:not(.eyebrow):not(.article-dek) { max-width: 680px; font-family: var(--serif); font-size: 20px; line-height: 1.95; } .article-page .article-links { margin-top: 55px; display: grid; gap: 0; } .article-page .article-links .eyebrow { grid-column: 1 / -1; }
@media (max-width: 900px) { .masthead { grid-template-columns: 1fr auto; } .masthead nav { grid-column: 1 / -1; grid-row: 2; overflow-x: auto; padding-bottom: 3px; } .mast-cta { grid-column: 2; grid-row: 1; } .threshold, .route-section, .download-layout { grid-template-columns: 1fr; } .threshold-art { max-width: 100%; order: 2; } .threshold-copy { order: 1; } .evidence-grid, .gallery-grid { grid-template-columns: 1fr 1fr; } .gallery-item--wide { grid-column: span 2; } .footer-grid { grid-template-columns: 1fr 1fr; } .footer-entry { text-align: left; } .guide-route { grid-template-columns: 1fr 1fr; } .guide-route article:not(:last-child)::after { display: none; } }
@media (max-width: 600px) { .masthead { padding: 14px 20px; } .mast-brand { display: grid; gap: 0; } .masthead nav { gap: 16px; font-size: 12px; } .mast-cta { padding: 8px 10px; font-size: 11px; } .threshold { padding: 60px 20px 70px; } .threshold h1 { font-size: clamp(55px, 17vw, 88px); } .threshold .lead { font-size: 17px; } .case-map-section, .files-section, .route-section, .faq-section, .note-section, .final-entry, .gallery-shell, .download-layout, .download-steps, .guide-map, .guide-columns, .related-guides { padding: 64px 20px; } .case-map, .map-grid { min-height: 720px; } .map-node { width: 150px; padding: 12px; } .map-node h3 { font-size: 22px; } .node-01 { top: 10%; left: 4%; } .node-02 { top: 27%; left: 47%; } .node-03 { top: 47%; left: 6%; } .node-04 { top: 61%; right: 4%; } .node-05 { bottom: 5%; left: 33%; } .line-one { top: 29%; left: 28%; width: 120px; transform: rotate(54deg); } .line-two { top: 44%; left: 49%; width: 130px; transform: rotate(140deg); } .line-three { top: 69%; left: 32%; width: 120px; transform: rotate(-28deg); } .section-head--split, .page-hero--split, .guide-map-title { display: block; } .evidence-grid, .gallery-grid, .faq-grid, .footer-grid, .step-grid, .guide-route, .guide-columns, .article-links { grid-template-columns: 1fr; } .gallery-item--wide { grid-column: auto; } .gallery-grid .gallery-item:nth-child(3n + 2), .gallery-item:nth-child(2), .gallery-item:nth-child(3) { margin-top: 0; } .route-steps { grid-template-columns: 1fr; } .note-card { padding: 25px; } .note-meta { display: grid; } .page-hero { padding: 70px 20px; } .page-hero h1 { font-size: 68px; } .page-hero::after { font-size: 28px; right: 20px; } .entry-ticket { margin-top: 30px; } .spec-row { grid-template-columns: 1fr; gap: 5px; } .lightbox { padding: 30px 12px; } .lightbox figure { margin: 15px 0; } .footer-entry { text-align: left; } }