/* =============================================================
   马吉拉档案层 · 风格令牌（REUSABLE_FRAMEWORK_V1 §7）
   白色宇宙：白大褂 / 白标签 / 白空间 —— 与山本轮的黑底反相。
   全站只有 纸白、墨黑、两档灰 + 一个强调色（朱砂红，仅用于当前项）。
   布局硬规格全部沿用框架 §6（1180px 容器、2:3 全身图、留白节奏）。
   ============================================================= */
:root {
  --bg: #fcfcfa;          /* 纸白（白标签的暖白） */
  --panel: #f4f3ef;       /* 次级底 */
  --ink: #141414;         /* 主字（近黑） */
  --gray: #6d6d6d;        /* 次字 */
  --faint: #a8a59e;       /* 三级灰 */
  --line: #e3e1db;        /* 分隔线 */
  --accent: #b3312c;      /* 唯一强调色：朱砂红（当前项/当前词） */
  --serif: Georgia, "Times New Roman", "Songti SC", "SimSun", serif;
  --sans: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); line-height: 1.9; font-size: 15px; }
a { color: inherit; }
img { display: block; }

/* ---------- 头部 ---------- */
.arch-head { max-width: 1180px; margin: 0 auto; padding: 7vh 20px 3vh; }
.arch-head .back { font-size: 13px; color: var(--gray); text-decoration: none; letter-spacing: .08em; }
.arch-head .back.disabled { opacity: .35; cursor: default; }
.arch-title { font-family: var(--serif); font-weight: 400; font-size: clamp(30px, 5vw, 52px); margin: 12px 0 6px; letter-spacing: .04em; }
.arch-sub { color: var(--gray); font-size: 13px; margin: 0; letter-spacing: .05em; }
.arch-foot { max-width: 1180px; margin: 0 auto; padding: 6vh 20px 10vh; color: var(--faint); font-size: 12px; letter-spacing: .06em; }

/* ---------- 标签（原位切换；导航固定） ---------- */
.arch-tabs { position: sticky; top: 0; z-index: 40; background: var(--bg); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.arch-tabs-inner, .arch-tabs { display: flex; }
.arch-tabs { justify-content: center; flex-wrap: wrap; }
.arch-tab { padding: 14px 22px; font-size: 14px; letter-spacing: .18em; text-decoration: none; color: var(--gray); border-bottom: 2px solid transparent; }
.arch-tab.on { color: var(--ink); border-bottom-color: var(--accent); }
.arch-main { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.arch-sec { padding: 6vh 0 4vh; }
.h-sm { font-family: var(--serif); font-weight: 400; font-size: 20px; margin: 4vh 0 14px; }
.sec-sub { color: var(--gray); font-size: 13px; margin: 4px 0 22px; }

/* ---------- 设计师面板 ---------- */
.des-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 34px; align-items: start; }
@media (max-width: 880px) { .des-grid { grid-template-columns: minmax(0, 1fr); } }
.des-portrait { width: 100%; aspect-ratio: 2/3; object-fit: cover; background: var(--panel); border: 1px solid var(--line); }
.des-cap { color: var(--faint); font-size: 12px; margin-top: 8px; line-height: 1.7; }
.des-note { font-size: 14px; color: var(--ink); }

/* 大事记 */
.chron { border-top: 1px solid var(--line); }
.chron-row { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.chron-year { color: var(--accent); font-family: var(--serif); letter-spacing: .04em; }
.chron-src { color: var(--faint); font-size: 12px; display: block; margin-top: 2px; }
.chron-id { color: var(--faint); font-size: 11px; margin-right: 6px; }

/* 引文墙（原文优先：原文大、译文小、出处更小） */
.ow-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.ow { border: 1px solid var(--line); background: #fff; padding: 22px 22px 16px; }
.ow-nonself { background: var(--panel); }
.ow-tag { display: inline-block; font-size: 11px; letter-spacing: .12em; color: var(--faint); border: 1px solid var(--line); padding: 1px 8px; margin-bottom: 12px; }
.ow-orig { font-family: var(--serif); font-size: 17px; line-height: 1.75; margin: 0 0 10px; white-space: pre-line; }
.ow-zh { color: var(--gray); font-size: 12.5px; margin: 0 0 10px; }
.ow-cite { color: var(--faint); font-size: 12px; margin: 0; }
.ow-cite::before { content: "—— "; }
.dl-list { list-style: none; margin: 10px 0 0; padding: 0; font-size: 13px; }
.dl-list li { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.dl-list a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--faint); }

/* ---------- 系列卡 ---------- */
.coll-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 22px; }
.coll-card { display: block; text-decoration: none; }
.coll-card .ph { aspect-ratio: 2/3; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.coll-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.coll-card:hover img { transform: scale(1.03); }
.coll-card .layer-b { outline: 2px solid var(--line); outline-offset: -6px; }
.coll-meta { padding: 10px 2px 0; }
.coll-year { font-size: 12px; letter-spacing: .14em; color: var(--accent); }
.coll-title { font-family: var(--serif); font-size: 15px; line-height: 1.5; margin: 2px 0 0; }
.coll-credit { font-size: 11.5px; color: var(--faint); margin-top: 3px; }

/* ---------- 详情页头部 ---------- */
.coll-main { max-width: 1180px; margin: 0 auto; padding: 0 20px 8vh; }
.coll-headmeta { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; font-size: 13px; }
.coll-headmeta b { display: block; font-weight: 400; color: var(--faint); font-size: 11px; letter-spacing: .14em; margin-bottom: 3px; }
.coll-note { color: var(--gray); font-size: 13.5px; padding: 18px 0; max-width: 860px; }
.coll-note::before { content: "事实备注"; display: block; color: var(--faint); font-size: 11px; letter-spacing: .16em; margin-bottom: 6px; }

/* ---------- 缩略图（小而留白） ---------- */
.thumb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 22px; }
.thumb { border: 0; padding: 0; background: none; cursor: zoom-in; text-align: left; }
.thumb .ph { aspect-ratio: 2/3; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-cap { font-size: 11px; color: var(--faint); padding-top: 6px; letter-spacing: .05em; }
.more-btn { display: block; margin: 30px auto 0; padding: 10px 30px; border: 1px solid var(--ink); background: none; font-size: 13px; letter-spacing: .2em; cursor: pointer; }
.more-btn:hover { background: var(--ink); color: var(--bg); }

/* ---------- 视频 ---------- */
.vid-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.vid { border: 1px solid var(--line); background: #fff; padding: 18px; }
.vid h4 { font-family: var(--serif); font-weight: 400; font-size: 16px; margin: 0 0 6px; }
.vid .vm { color: var(--faint); font-size: 12px; margin: 0 0 12px; }
.vid .acts { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; padding: 6px 14px; border: 1px solid var(--ink); font-size: 12.5px; letter-spacing: .1em; text-decoration: none; background: none; cursor: pointer; color: var(--ink); }
.btn:hover { background: var(--ink); color: var(--bg); }
.btn.off { opacity: .35; cursor: default; }
.btn.off:hover { background: none; color: var(--ink); }

/* ---------- 来源 ---------- */
.src-group { margin-bottom: 4vh; }
.src-group h3 { font-family: var(--serif); font-weight: 400; font-size: 18px; margin: 0 0 10px; }
.src-item { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.src-item a { text-decoration: none; border-bottom: 1px solid var(--faint); }
.src-item .ext { color: var(--faint); font-size: 12px; }

/* ---------- 过滤条 ---------- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; padding: 3vh 0 1vh; }
.chip { font-size: 12.5px; letter-spacing: .1em; border: 1px solid var(--line); padding: 4px 12px; text-decoration: none; color: var(--gray); background: #fff; }
.chip.on { border-color: var(--accent); color: var(--accent); }

/* ---------- 灯箱 ---------- */
.lightbox { position: fixed; inset: 0; z-index: 100; }
.lb-backdrop { position: absolute; inset: 0; background: rgba(20, 20, 20, .92); }
.lb-body { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 4vh 4vw; }
.lb-body img, .lb-body iframe { max-width: 92vw; max-height: 74vh; background: #000; border: 0; }
.lb-meta { color: #cfcfcf; font-size: 12.5px; margin-top: 14px; text-align: center; line-height: 1.8; max-width: 900px; }
.lb-meta .lb-origin { color: #fff; }
.lb-acts { margin-top: 10px; display: flex; gap: 12px; }
.lb-acts .btn { border-color: #888; color: #eee; }
.lb-acts .btn:hover { background: #eee; color: #141414; }
.lb-close { position: absolute; top: 18px; right: 26px; color: #eee; font-size: 30px; cursor: pointer; font-family: var(--serif); }

/* 空态如实 */
.empty { border: 1px dashed var(--line); color: var(--gray); padding: 26px; font-size: 13.5px; }

/* =============================================================
   体验路径页（八段式）· 匿名
   ============================================================= */
.xp-opening { position: fixed; inset: 0; background: var(--bg); z-index: 90; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 0 8vw; transition: opacity 1.2s ease; }
.xp-opening.gone { opacity: 0; pointer-events: none; }
.xp-opening .ln { font-family: var(--serif); font-size: clamp(19px, 3vw, 30px); line-height: 1.9; opacity: 0; transition: opacity 1.4s ease; max-width: 900px; }
.xp-opening .ln .zh { display: block; font-family: var(--sans); color: var(--gray); font-size: .55em; margin-top: 10px; }
.xp-opening .skip { position: absolute; bottom: 4vh; right: 5vw; font-size: 12px; letter-spacing: .2em; color: var(--faint); cursor: pointer; background: none; border: 0; }
.xp-declare { max-width: 1180px; margin: 0 auto; padding: 4vh 20px 0; color: var(--faint); font-size: 12px; letter-spacing: .06em; }

.xp-full { position: relative; height: 92vh; overflow: hidden; margin-top: 4vh; }
.xp-full img { width: 100%; height: 100%; object-fit: cover; }
.xp-full .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 5vh 6vw 4vh; background: linear-gradient(transparent, rgba(10,10,10,.72)); color: #f4f3ef; }
.xp-full .cap .q { font-family: var(--serif); font-size: clamp(17px, 2.6vw, 26px); line-height: 1.8; max-width: 980px; }
.xp-full .cap .zh { font-family: var(--sans); font-size: 13px; opacity: .85; margin-top: 10px; max-width: 900px; }
.xp-full .cap .src { font-size: 12px; opacity: .65; margin-top: 8px; }
.xp-full .cap .src::before { content: "—— "; }
.xp-full .cap .mid { font-size: 12px; opacity: .65; }

.xp-sec { max-width: 1180px; margin: 0 auto; padding: 10vh 20px 2vh; }
.xp-sec > .hd { font-family: var(--serif); font-size: clamp(22px, 3vw, 32px); font-weight: 400; margin: 0 0 3vh; }
.xp-facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.fact { border: 1px solid var(--line); background: #fff; padding: 20px 22px 16px; font-size: 14px; }
.fact .y { color: var(--accent); font-family: var(--serif); letter-spacing: .06em; }
.fact .src { display: block; color: var(--faint); font-size: 12px; margin-top: 10px; }

.xp-curtain .line { font-family: var(--serif); font-size: clamp(19px, 3vw, 30px); line-height: 1.9; max-width: 940px; margin: 0 auto 7vh; text-align: center; }
.xp-curtain .line .zh { display: block; font-family: var(--sans); color: var(--gray); font-size: 14px; margin-top: 10px; }
.xp-curtain .line .src { display: block; font-family: var(--sans); color: var(--faint); font-size: 12px; margin-top: 8px; }
.xp-curtain .line .src::before { content: "—— "; }

.xp-side { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 760px) { .xp-side { grid-template-columns: 1fr; } }
.xp-side .col { border-top: 1px solid var(--line); padding-top: 12px; }
.xp-side .who { font-size: 12px; letter-spacing: .18em; color: var(--gray); margin-bottom: 12px; }
.xp-side .g { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.xp-side figure { margin: 0; }
.xp-side .ph { aspect-ratio: 2/3; overflow: hidden; background: var(--panel); border: 1px solid var(--line); }
.xp-side img { width: 100%; height: 100%; object-fit: cover; }
.xp-side figcaption { font-size: 11px; color: var(--faint); padding-top: 6px; line-height: 1.6; }
.xp-side-note { color: var(--faint); font-size: 12px; margin-top: 14px; }

.xp-end { text-align: center; padding: 14vh 8vw; }
.xp-end .q { font-family: var(--serif); font-size: clamp(19px, 3vw, 30px); line-height: 1.9; max-width: 900px; margin: 0 auto; }
.xp-end .zh { display: block; font-family: var(--sans); color: var(--gray); font-size: 14px; margin-top: 12px; }
.xp-end .src { display: block; color: var(--faint); font-size: 12px; margin-top: 10px; }
.xp-end .src::before { content: "—— "; }

.xp-next { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 22px; }
.xp-next a { display: block; text-decoration: none; border: 1px solid var(--line); background: #fff; padding: 18px 20px; }
.xp-next a:hover { border-color: var(--ink); }
.xp-next .t { font-family: var(--serif); font-size: 16px; }
.xp-next .d { color: var(--gray); font-size: 12.5px; margin-top: 4px; }

.deep-btn { position: fixed; right: 18px; bottom: 18px; z-index: 60; font-size: 12px; letter-spacing: .22em; padding: 8px 16px; border: 1px solid var(--faint); background: rgba(252,252,250,.92); color: var(--gray); cursor: pointer; }
.deep { position: fixed; inset: 0; z-index: 95; background: var(--bg); overflow-y: auto; display: none; }
.deep.open { display: block; }
.deep-in { max-width: 1000px; margin: 0 auto; padding: 8vh 24px 12vh; }
.deep h2 { font-family: var(--serif); font-weight: 400; font-size: 26px; }
.deep h3 { font-family: var(--serif); font-weight: 400; font-size: 19px; margin: 6vh 0 14px; }
.deep .close { position: fixed; top: 16px; right: 24px; font-size: 28px; background: none; border: 0; cursor: pointer; color: var(--ink); font-family: var(--serif); }
.deep .ow { margin-bottom: 16px; }
.deep .chron-row { grid-template-columns: 100px 1fr; }

/* =============================================================
   枢纽（对齐山本基准）：home-head 两项 / doors-grid 4 列 1px 缝隙 /
   door = thumb(88×118)+word(衬线1.9rem .2em)+q+src+state
   ============================================================= */
body.home { overflow-x: hidden; }
.home-head { display: flex; justify-content: space-between; align-items: center; padding: 1.6rem 3.5vw; border-bottom: 1px solid var(--line); }
.home-head .brand { font-family: var(--serif); font-size: 1.1rem; letter-spacing: .18em; color: var(--ink); }
.home-head .arch-link { position: static; font-size: .78rem; letter-spacing: .3em; color: var(--gray); text-decoration: none; padding-bottom: .25rem; border-bottom: 1px solid transparent; }
.home-head .arch-link:hover { color: var(--ink); border-color: var(--gray-dim); }
.doors { padding: 14vh 8vw 10vh; max-width: 1180px; margin: 0 auto; border-top: 1px solid var(--line); }
.doors-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.door { background: var(--bg); padding: 2rem 1.6rem 2.4rem; display: flex; flex-direction: column; gap: 1rem; min-height: 300px; text-decoration: none; color: var(--ink); }
.door .door-word { font-family: var(--serif); font-size: 1.9rem; letter-spacing: .2em; }
.door .door-q { font-size: .8rem; color: var(--gray); line-height: 1.9; flex: 1; }
.door .door-src { display: block; font-size: .68rem; color: var(--faint); letter-spacing: .04em; line-height: 1.8; }
.door .door-state { font-size: .72rem; letter-spacing: .3em; color: var(--faint); }
.door.active { cursor: pointer; position: relative; transition: background .3s; }
.door.active:hover { background: var(--panel); }
.door.active .door-word { box-shadow: inset 0 -.16em 0 var(--accent); width: fit-content; }
.door.active .door-q { color: var(--ink); }
.door.active .door-state { color: var(--accent); }
.door .door-thumb { width: 88px; height: 118px; object-fit: cover; filter: grayscale(.35); }
@media (max-width: 880px) { .doors-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .doors-grid { grid-template-columns: 1fr; } }
body.home footer { border-top: 1px solid var(--line); padding: 3.2rem 8vw 4rem; color: var(--faint); font-size: .78rem; letter-spacing: .12em; line-height: 2.2; }