/* ============================================================
   墨研舍官网 MOOO RESEARCH INSTITUTION · V2
   移动端优先 · 大图 + 主要信息 · 高级简约（参考：竖版手机端1/2）
   2026-09
   ============================================================ */

:root {
  --ink: #191814;
  --ink-2: #24221b;
  --paper: #F6F4EE;
  --paper-2: #EFECE2;
  --card: #FFFFFF;
  --line: #E2DED1;
  --gold: #B7A56B;
  --gold-deep: #9C8A4F;
  --muted: #6E6959;
  --muted-2: #A29C8C;
  --serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  --nav-h: 60px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.8; -webkit-font-smoothing: antialiased; font-size: 16px; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
::selection { background: var(--gold); color: var(--ink); }

.wrap { width: min(1200px, 100%); padding: 0 24px; margin: 0 auto; }
@media (max-width: 640px) { .wrap { padding: 0 18px; } }

/* ---------- 章节通用：编辑式极简 ---------- */
.sec { padding: 72px 0 40px; scroll-margin-top: var(--nav-h); }
@media (min-width: 900px) { .sec { padding: 110px 0 60px; } }

.sec-head { margin-bottom: 40px; }
.sec-head .kicker {
  font-size: 11px; letter-spacing: .38em; color: var(--gold-deep);
  text-transform: uppercase; font-weight: 600; display: flex; align-items: center; gap: 14px;
}
.sec-head .kicker::after { content: ""; flex: 0 0 46px; height: 1px; background: var(--gold); }
.sec-head h2 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(26px, 7vw, 44px); letter-spacing: .12em; line-height: 1.35; margin-top: 14px;
}
.sec-head .lead { margin-top: 12px; color: var(--muted); font-size: 13.5px; max-width: 46ch; }
.sec-head .lead b { color: var(--ink); font-weight: 600; }

/* ============================================================
   顶栏：极简白条
   ============================================================ */
.nav {
  position: fixed; inset: 0 0 auto 0; height: var(--nav-h); z-index: 100;
  background: rgba(246,244,238,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: 100%; width: min(1280px, 100%); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 20px;
}
@media (max-width: 640px) { .nav-inner { padding: 0 18px; } }
.logo { height: 34px; display: flex; align-items: center; }
.logo img { height: 100%; width: auto; }
.nav-links { display: none; gap: 2px; margin-left: auto; }
.nav-links a { padding: 8px 13px; font-size: 13px; letter-spacing: .12em; color: var(--ink-2); border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.nav-links a:hover { color: var(--gold-deep); border-color: var(--gold); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav-tel { font-size: 13.5px; letter-spacing: .06em; font-weight: 600; white-space: nowrap; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.burger { background: none; border: 0; cursor: pointer; padding: 8px 0 8px 8px; display: flex; flex-direction: column; gap: 5px; }
.burger span { display: block; width: 24px; height: 1.5px; background: var(--ink); }
@media (min-width: 900px) {
  .nav-links { display: flex; }
  .burger { display: none; }
}
.nav-links.open {
  position: absolute; top: var(--nav-h); left: 0; right: 0;
  display: flex; flex-direction: column; gap: 0;
  background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 18px 14px;
}
.nav-links.open a { padding: 13px 4px; border-bottom: 1px solid var(--paper-2); }
.nav-links.open a:last-child { border-bottom: 0; }
@media (max-width: 899.98px) { .nav-tel { margin-left: auto; } }
@media (max-width: 420px) { .nav-tel { display: none; } }

/* ============================================================
   Hero：极简大标题
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  padding: calc(var(--nav-h) + 48px) 0 52px;
  background:
    radial-gradient(560px 360px at 100% 0%, rgba(183,165,107,.10), transparent 60%),
    var(--paper);
}
@media (min-width: 900px) { .hero { padding: calc(var(--nav-h) + 110px) 0 90px; } }
.hero-watermark { position: absolute; right: -18px; bottom: -40px; width: 300px; opacity: .05; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; }
.hero-en {
  font-size: 10.5px; letter-spacing: .44em; color: var(--gold-deep);
  text-transform: uppercase; font-weight: 600; margin-bottom: 26px;
}
.hero h1 {
  font-family: var(--serif); font-weight: 700; line-height: 1.3;
  font-size: clamp(44px, 14vw, 96px); letter-spacing: .1em;
}
.hero-sub { margin-top: 18px; font-size: 13.5px; color: var(--muted); letter-spacing: .2em; }
.hero-sub em { font-style: normal; color: var(--gold-deep); padding: 0 6px; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 26px; align-items: baseline; }
.link-primary {
  font-size: 14.5px; letter-spacing: .2em; font-weight: 600;
  border-bottom: 2px solid var(--gold); padding-bottom: 5px; transition: color .2s;
}
.link-primary:hover { color: var(--gold-deep); }
.link-ghost { font-size: 13px; letter-spacing: .2em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 4px; transition: color .2s; }
.link-ghost:hover { color: var(--ink); }

.hero-stats {
  margin-top: 56px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap;
}
.stat { flex: 1 1 33.333%; padding: 22px 18px 6px 0; }
.stat + .stat { border-left: 1px solid var(--line); padding-left: 18px; }
.stat .v { font-family: var(--serif); font-size: clamp(24px, 6vw, 40px); font-weight: 700; letter-spacing: .02em; }
.stat .v small { font-size: .5em; color: var(--gold-deep); font-family: var(--sans); letter-spacing: .06em; }
.stat .k { font-size: 10.5px; letter-spacing: .24em; color: var(--muted); margin-top: 2px; }
@media (max-width: 640px) {
  .stat { flex: 1 1 100%; border-left: 0 !important; border-bottom: 1px solid var(--line); padding: 14px 2px; display: flex; align-items: baseline; gap: 12px; }
  .stat + .stat { border-left: 0; padding-left: 2px; }
  .stat:last-child { border-bottom: 0; padding-bottom: 2px; }
  .stat .k { margin-top: 0; }
}

/* ============================================================
   About：大照片 + 引语
   ============================================================ */
.about-grid { margin-top: 8px; }
.about-media {
  position: relative; width: 100%;
  aspect-ratio: 4/5;
}
.about-media img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.about-frame { position: absolute; inset: 14px -14px -14px 14px; border: 1px solid var(--gold); z-index: 0; pointer-events: none; }
.about-copy { margin-top: 56px; }
@media (min-width: 900px) {
  .about-grid { display: grid; grid-template-columns: minmax(320px, 5fr) 6fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
  .about-copy { margin-top: 6px; }
}
.about-quote {
  font-family: var(--serif); font-size: clamp(17px, 3.6vw, 22px); line-height: 2; color: var(--ink-2);
  border-top: 3px solid var(--ink); padding-top: 18px;
}
.about-name { margin-top: 24px; font-weight: 700; font-size: 14px; letter-spacing: .14em; }
.about-name small { display: block; font-weight: 400; color: var(--gold-deep); font-size: 10.5px; letter-spacing: .24em; margin-top: 4px; }
.about-bio { margin-top: 14px; font-size: 14px; color: #57523f; }
.about-bio b { font-weight: 600; color: var(--ink); }
.about-facts { margin-top: 26px; border-top: 1px solid var(--line); }
.fact { padding: 16px 2px; border-bottom: 1px solid var(--line); }
.fact .t { font-size: 11px; letter-spacing: .24em; color: var(--gold-deep); font-weight: 600; margin-bottom: 5px; }
.fact .d { font-size: 13px; color: var(--muted); line-height: 1.9; }

/* ============================================================
   Services：编号列表（大名称+一句）
   ============================================================ */
.svc-list { border-top: 1px solid var(--ink); }
.svc {
  display: grid; grid-template-columns: auto 1fr; gap: 6px 20px;
  padding: 24px 0 20px; border-bottom: 1px solid var(--line); align-items: baseline;
}
.svc .no { font-family: var(--serif); color: var(--gold-deep); font-size: 13px; letter-spacing: .14em; grid-row: 1; }
.svc h3 { font-family: var(--serif); font-size: clamp(19px, 5.4vw, 26px); font-weight: 700; letter-spacing: .1em; }
.svc .d { grid-column: 1 / -1; font-size: 13px; color: var(--muted); line-height: 1.9; margin-top: 2px; }
@media (min-width: 900px) {
  .svc { grid-template-columns: 56px 300px 1fr; gap: 0 26px; padding: 34px 0 30px; }
  .svc .d { grid-column: 3; font-size: 14px; margin-top: 0; align-self: center; }
}

/* ============================================================
   确定性承诺：深色极简条
   ============================================================ */
.commit {
  margin-top: 72px; padding: 84px 0 70px; scroll-margin-top: var(--nav-h);
  background:
    radial-gradient(620px 320px at 100% 0%, rgba(183,165,107,.14), transparent 60%),
    var(--ink);
  color: #ECE9DF;
}
@media (min-width: 900px) { .commit { margin-top: 120px; padding: 120px 0 100px; } }
.commit .kicker::after { background: rgba(183,165,107,.6); }
.commit h2 { color: #fff; }
.commit .lead { color: #A9A495; }
.commit-list { margin-top: 42px; border-top: 1px solid rgba(236,233,223,.16); }
.commit-item {
  display: grid; grid-template-columns: auto 1fr; gap: 6px 22px;
  padding: 26px 0; border-bottom: 1px solid rgba(236,233,223,.16); align-items: baseline;
}
.commit-item .n { font-family: var(--serif); font-size: 26px; color: var(--gold); line-height: 1; }
.commit-item h3 { font-size: 17px; letter-spacing: .1em; color: #fff; font-weight: 700; }
.commit-item h3 i { font-style: normal; font-family: var(--sans); font-size: 9.5px; letter-spacing: .3em; color: var(--gold); margin-left: 12px; vertical-align: 2px; }
.commit-item p { grid-column: 2; font-size: 13px; color: #B7B2A3; line-height: 1.9; }
@media (min-width: 900px) {
  .commit-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 64px; }
  .commit-item { padding: 30px 0; }
}

/* ============================================================
   作品：全宽大图卡（移动端堆叠）
   ============================================================ */
.works-grid { display: grid; gap: 56px; }
@media (min-width: 900px) { .works-grid { grid-template-columns: 1fr 1fr; gap: 80px 40px; } }
.work-media {
  position: relative; display: block; overflow: hidden; aspect-ratio: 3/3.4;
  background: var(--paper-2);
}
@media (min-width: 900px) { .work-media { aspect-ratio: 4/3.2; } }
.work-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.work-card:hover .work-img { transform: scale(1.04); }
.work-img.missing { display: none; }
.work-ph {
  display: none; position: absolute; inset: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  background:
    linear-gradient(160deg, rgba(183,165,107,.10), transparent 42%),
    linear-gradient(200deg, #27251E, #1A1913);
}
.work-img.missing + .work-ph { display: flex; }
.work-ph img { width: 54px; opacity: .45; }
.work-ph .t { font-family: var(--serif); letter-spacing: .3em; font-size: 13px; color: #D8D3C2; }
.work-ph .hint { font-size: 10px; letter-spacing: .26em; color: var(--gold); }

/* 图下信息：紧凑编辑式 */
.work-head { display: flex; align-items: baseline; gap: 18px; margin-top: 16px; }
.work-head .no { font-family: var(--serif); color: var(--gold-deep); font-size: 13px; letter-spacing: .14em; }
.work-head h3 { font-family: var(--serif); font-size: clamp(19px, 5.6vw, 26px); letter-spacing: .1em; font-weight: 700; }
.work-tags { margin-top: 6px; font-size: 10.5px; letter-spacing: .22em; color: var(--muted-2); }
.work-tags span + span::before { content: "·"; padding: 0 8px; color: var(--gold); }
.work-award { margin-top: 8px; font-size: 12.5px; color: var(--muted); line-height: 1.8; max-width: 52ch; }
.work-go { display: inline-block; margin-top: 14px; font-size: 12px; letter-spacing: .22em; color: var(--gold-deep); border-bottom: 1px solid var(--gold); padding-bottom: 3px; transition: color .2s; }
.work-card:hover .work-go { color: var(--ink); }
.works-note { margin-top: 52px; text-align: center; font-size: 12px; letter-spacing: .2em; color: var(--muted-2); }

/* ============================================================
   荣誉：发丝行
   ============================================================ */
.honor-list { border-top: 1px solid var(--ink); }
.honor-row {
  display: grid; grid-template-columns: 58px 1fr; gap: 6px 16px;
  padding: 20px 2px; border-bottom: 1px solid var(--line); align-items: baseline;
}
.honor-row .y { font-family: var(--serif); font-size: 17px; color: var(--gold-deep); letter-spacing: .06em; }
.honor-row .i { font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.honor-row .lv { font-size: 10px; letter-spacing: .3em; color: var(--muted); grid-column: 2; }
.honor-g { margin-top: 30px; }
.honor-g:first-child { margin-top: 0; }
.hg-t {
  font-size: 11px; letter-spacing: .36em; color: var(--gold-deep);
  font-weight: 600; text-transform: uppercase;
  display: flex; align-items: center; gap: 14px; margin-bottom: 2px;
}
.hg-t::after { content: ""; flex: 0 0 46px; height: 1px; background: var(--gold); }
.honor-g .honor-row:first-of-type { border-top: 1px solid var(--ink); }
@media (min-width: 900px) {
  .honor-row { grid-template-columns: 90px 1fr auto; gap: 0 24px; padding: 24px 4px; }
  .honor-row .lv { grid-column: auto; justify-self: end; }
}

/* ============================================================
   双城
   ============================================================ */
.city-grid { display: grid; gap: 16px; }
@media (min-width: 900px) { .city-grid { grid-template-columns: 1fr 1fr; gap: 22px; } }
.city-cell { padding: 34px 26px 30px; position: relative; overflow: hidden; min-height: 220px; }
.city-cell.cs { background: var(--ink); color: #F1EEE5; }
.city-cell.xt { background: var(--card); border: 1px solid var(--line); }
.city-cell::after {
  position: absolute; right: -20px; bottom: -30px;
  font-family: var(--serif); font-size: 150px; line-height: 1; pointer-events: none;
}
.city-cell.cs::after { content: "長沙"; color: rgba(255,255,255,.05); }
.city-cell.xt::after { content: "湘潭"; color: rgba(25,24,20,.05); }
.city-cell .ct { font-size: clamp(20px, 6vw, 27px); font-weight: 700; letter-spacing: .26em; position: relative; z-index: 1; }
.city-cell .role { font-size: 10px; letter-spacing: .32em; margin: 6px 0 22px; position: relative; z-index: 1; }
.city-cell.cs .role { color: var(--gold); }
.city-cell.xt .role { color: var(--gold-deep); }
.city-cell .li { font-size: 13px; line-height: 2.15; position: relative; z-index: 1; opacity: .95; }
.city-cell .li b { letter-spacing: .04em; }

/* ============================================================
   流程：纵向编号步骤
   ============================================================ */
.steps { border-top: 1px solid var(--ink); }
.step {
  display: grid; grid-template-columns: auto 1fr; gap: 8px 22px; align-items: baseline;
  padding: 24px 2px; border-bottom: 1px solid var(--line);
}
.step .no { font-family: var(--serif); font-size: 24px; color: var(--gold-deep); line-height: 1.2; }
.step h3 { font-size: 16.5px; letter-spacing: .12em; font-weight: 700; }
.step p { grid-column: 2; font-size: 12.5px; color: var(--muted); line-height: 1.9; }
@media (min-width: 900px) {
  .steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); border-left: 1px solid var(--line); }
  .step:nth-child(n+5) { border-top: 1px solid var(--line); }
  .step { display: block; padding: 30px 26px 24px; border-bottom: 0; border-right: 1px solid var(--line); }
  .step .no { font-size: 30px; }
  .step h3 { margin-top: 20px; font-size: 15px; }
  .step p { margin-top: 10px; font-size: 12px; }
}

/* ============================================================
   联系 CTA
   ============================================================ */
.contact-sec { margin-top: 80px; scroll-margin-top: var(--nav-h); }
@media (min-width: 900px) { .contact-sec { margin-top: 130px; } }
.cta-panel {
  background: var(--ink); color: #F1EEE5; position: relative; overflow: hidden;
  padding: 64px 0;
}
@media (min-width: 900px) { .cta-panel { padding: 96px 0; } }
.cta-panel::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 360px at 90% 0%, rgba(183,165,107,.16), transparent 62%);
}
.cta-inner { position: relative; z-index: 1; }
.cta-panel .kicker { color: var(--gold); font-size: 10.5px; letter-spacing: .4em; font-weight: 600; }
.cta-panel h2 { font-family: var(--serif); font-size: clamp(30px, 9vw, 52px); letter-spacing: .16em; margin-top: 16px; }
.cta-panel .d { margin-top: 16px; color: #C6C1B2; font-size: 14px; line-height: 2; }
.cta-panel .d .hl { color: var(--gold); font-weight: 700; }
.tel-btn { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-top: 28px; border-bottom: 2px solid var(--gold); padding-bottom: 10px; width: fit-content; }
.tel-btn .big { font-family: var(--serif); font-size: clamp(22px, 7vw, 34px); font-weight: 700; letter-spacing: .04em; color: #fff; }
.tel-btn .s { font-size: 11px; letter-spacing: .3em; color: var(--gold); }
.cta-note { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(236,233,223,.16); font-size: 12.5px; color: #8F8A79; line-height: 2.1; letter-spacing: .03em; }
.cta-addr { margin-top: 18px; font-size: 12.5px; color: #B9B4A5; line-height: 2.1; letter-spacing: .04em; }

/* ============================================================
   页脚
   ============================================================ */
.footer { background: #12110D; color: #8B8676; }
.footer-main { padding: 48px 0 36px; }
@media (min-width: 900px) {
  .footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr; gap: 60px; }
}
.footer-logo { height: 58px; width: auto; }
.brand-en { font-size: 10px; letter-spacing: .44em; color: #5C574A; margin-top: 10px; text-transform: uppercase; }
.footer h4 { color: #D9D4C4; font-size: 12px; letter-spacing: .24em; margin: 26px 0 10px; font-weight: 600; }
@media (min-width: 900px) { .footer h4 { margin-top: 0; } }
.footer li { font-size: 13px; line-height: 2.3; }
.footer .sns li { display: flex; align-items: center; gap: 9px; }
.sns-ic { width: 15px; height: 15px; flex: 0 0 auto; color: var(--gold); }
.footer a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(236,233,223,.1); padding: 18px 0 24px; font-size: 11.5px; color: #6B6658; line-height: 2; }
.footer-bottom .wrap { display: flex; flex-direction: column; gap: 4px; }
@media (min-width: 900px) { .footer-bottom .wrap { flex-direction: row; justify-content: space-between; } }

/* ============================================================
   案例详情页（沿用 V2 语言）
   ============================================================ */
.case-main { padding-top: calc(var(--nav-h) + 26px); }
.case-navbar { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 26px; }
.case-back { font-size: 13px; letter-spacing: .14em; color: var(--muted); border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: color .2s; }
.case-back:hover { color: var(--gold-deep); }
.case-no { font-size: 11px; letter-spacing: .3em; color: var(--gold-deep); }
.case-head h1 { font-family: var(--serif); font-size: clamp(30px, 9vw, 56px); letter-spacing: .1em; line-height: 1.3; }
.case-sub { margin-top: 10px; color: var(--muted); letter-spacing: .16em; font-size: 13px; }
.case-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.case-meta span { font-size: 12px; letter-spacing: .1em; padding: 7px 15px; border: 1px solid var(--line); color: var(--ink-2); background: var(--card); }
.case-tagline {
  margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line);
  font-family: var(--serif); font-size: clamp(17px, 3.6vw, 21px); line-height: 1.9;
  color: var(--ink-2); letter-spacing: .04em; max-width: 60ch;
}
.case-media { position: relative; overflow: hidden; margin-top: 30px; aspect-ratio: 4/3.2; background: var(--paper-2); }
@media (min-width: 900px) { .case-media { aspect-ratio: 16/9; margin-top: 44px; } }
.case-media .work-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.case-media .work-ph { display: none; position: absolute; inset: 0; align-items: center; justify-content: center; flex-direction: column; gap: 12px; background: linear-gradient(200deg, #27251E, #1A1913); color: #D8D3C2; }
.case-media .work-img.missing + .work-ph { display: flex; }
.case-media .work-ph .t { font-family: var(--serif); letter-spacing: .3em; }
.case-body { display: grid; gap: 34px; margin: 40px 0 60px; }
@media (min-width: 900px) { .case-body { grid-template-columns: 7fr 4fr; gap: 56px; margin: 52px 0 90px; } }
.case-story { font-size: 15px; color: #49432F; line-height: 2.1; }
.case-story p + p { margin-top: 1em; }
.case-story .todo { background: var(--paper-2); border-left: 3px solid var(--gold); padding: 16px 18px; font-size: 13px; color: var(--muted); }
.case-aside .box { border: 1px solid var(--line); background: var(--card); padding: 22px 22px 16px; margin-bottom: 16px; }
.case-aside .box h4 { font-size: 11px; letter-spacing: .26em; color: var(--gold-deep); margin-bottom: 12px; }
.case-aside .box ul li { font-size: 13px; color: var(--muted); padding: 7px 0; border-bottom: 1px dashed var(--line); line-height: 1.8; }
.case-aside .box ul li:last-child { border-bottom: 0; }
.case-aside .ask { background: var(--ink); color: #F1EEE5; padding: 24px; }
.case-aside .ask .t { font-family: var(--serif); font-size: 17px; letter-spacing: .1em; color: var(--gold); }
.case-aside .ask .d { font-size: 12.5px; margin: 12px 0 16px; color: #C6C1B2; line-height: 1.9; }
.case-aside .ask a { display: block; text-align: center; background: var(--gold); color: var(--ink); padding: 13px; font-size: 14px; font-weight: 700; letter-spacing: .12em; transition: background .2s; }
.case-aside .ask a:hover { background: #F0E3BA; }
.case-pager { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding: 20px 0 56px; }
.case-pager a { font-size: 13px; color: var(--muted); letter-spacing: .06em; }
.case-pager a:hover { color: var(--gold-deep); }

/* 案例详情：多图缩略图 */
.case-thumbs {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px;
}
.case-thumbs .th {
  width: 84px; height: 63px; padding: 0; border: 1px solid var(--line);
  background: var(--card); cursor: pointer; overflow: hidden; transition: border-color .2s;
}
.case-thumbs .th img { width: 100%; height: 100%; object-fit: cover; }
.case-thumbs .th.on { border-color: var(--gold); box-shadow: 0 0 0 1px var(--gold); }
@media (max-width: 640px) { .case-thumbs .th { width: 72px; height: 54px; } }

/* ============================================================
   V2.1 修订：HERO 竖构图人像 / 关于文字化 / 作品图上叠字
   ============================================================ */

/* --- Hero：左文右竖图（手机：文字 → 竖图 → 数据条） --- */
.hero { padding: calc(var(--nav-h) + 40px) 0 48px; }
@media (min-width: 900px) { .hero { padding: calc(var(--nav-h) + 96px) 0 74px; } }
.hero-grid { display: grid; gap: 44px; align-items: center; }
.hero-copy { min-width: 0; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.12fr .88fr; gap: clamp(44px, 7vw, 120px); } }
.hero-ph { position: relative; margin: 0; width: 100%; aspect-ratio: 3/3.9; overflow: hidden; }
@media (min-width: 900px) { .hero-ph { aspect-ratio: 3/4; } }
.hero-ph img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; }
.hero-frame { position: absolute; inset: 12px; border: 1px solid rgba(183,165,107,.6); z-index: 2; pointer-events: none; }
.hero-ph .cap { display: block; margin-top: 12px; text-align: right; font-size: 10px; letter-spacing: .34em; color: var(--gold-deep); }

/* --- About：单栏编辑式 --- */
.about-copy { margin-top: 6px; max-width: 780px; }

/* --- Works：全宽竖图 + 图上叠字（大图 + 主要信息） --- */
@media (min-width: 900px) { .works-grid { grid-template-columns: 1fr 1fr; gap: 88px 44px; } }
.work-media { aspect-ratio: 3/3.6; }
@media (min-width: 900px) { .work-media { aspect-ratio: 4/3; } }
.work-no {
  position: absolute; top: 16px; left: 16px; z-index: 3;
  font-family: var(--serif); font-size: 12px; letter-spacing: .18em; color: #fff;
  background: rgba(21,20,16,.55); border: 1px solid rgba(255,255,255,.3);
  padding: 5px 12px;
}
.work-txt {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: 64px 20px 16px;
  background: linear-gradient(180deg, transparent, rgba(16,15,11,.78) 78%);
}
.work-txt h3 {
  font-family: var(--serif); color: #fff; font-weight: 700;
  font-size: clamp(22px, 6.4vw, 30px); letter-spacing: .12em;
  text-shadow: 0 1px 20px rgba(0,0,0,.35);
}
.work-txt .work-en { display: block; margin-top: 5px; font-size: 10.5px; letter-spacing: .24em; color: rgba(255,255,255,.78); }
.work-below {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 18px;
  border-top: 1px solid var(--line); margin-top: 16px; padding-top: 14px;
}
.work-below .work-award { font-size: 12.5px; color: var(--muted); line-height: 1.85; margin: 0; }
.work-below .work-go { font-size: 12px; letter-spacing: .2em; color: var(--gold-deep); border-bottom: 1px solid var(--gold); padding-bottom: 3px; white-space: nowrap; }
@media (max-width: 640px) { .work-below { flex-direction: column; align-items: flex-start; gap: 6px; } }

/* ============================================================
   V2.5 修订：标语换庞门正道标题体并放大
   ============================================================ */
.hero h1 {
  font-family: "庞门正道标题体", "PangMenZhengDaoBiaoTi", "PangMen ZhengDao BiaoTi",
               var(--heavy);
  font-weight: 800;
  font-size: clamp(50px, 15vw, 118px);
  line-height: 1.26;
  letter-spacing: .02em;
}
@media (min-width: 900px) { .hero h1 { font-size: clamp(64px, 8.6vw, 122px); } }

/* ============================================================
   入场动画
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .8s ease; }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   V2.2 修订：公司名深底小标 / 数字加大 / 中英文名分层
   ============================================================ */
.hero-en { margin-bottom: 16px; }
.hero-co {
  display: inline-block; background: var(--ink); color: #F1EEE5;
  font-size: 12px; letter-spacing: .34em; padding: 9px 18px 8px;
  margin-bottom: 30px; font-weight: 600;
}
.hero-stats { margin-top: 46px; }
.stat .v { font-size: clamp(36px, 12vw, 64px); letter-spacing: .01em; }
.stat .v small { font-size: .42em; }
.stat .k { font-size: 11.5px; letter-spacing: .26em; }
@media (max-width: 640px) { .stat .v { font-size: clamp(34px, 10.5vw, 48px); } }

.about-name-wrap { margin-top: 28px; }
.about-name { margin: 0; font-family: var(--serif); font-weight: 700; font-size: clamp(30px, 7.5vw, 46px); letter-spacing: .24em; line-height: 1.3; color: var(--ink); }
.about-name-en {
  margin: 9px 0 0; font-family: Georgia, "Times New Roman", serif; font-style: italic;
  font-size: clamp(14px, 3.2vw, 19px); letter-spacing: .16em; text-transform: uppercase;
  color: #CBC6B7;
}
.about-bio { margin-top: 18px; font-size: 14.5px; }

/* ============================================================
   V2.3 修订
   ============================================================ */

/* --- Hero 数据条：数字黑体大字、递退三阶 --- */
.hero-stats { margin-top: 40px; }
.stat { padding: 26px 22px 10px 0; display: flex; flex-direction: column; }
.stat .v {
  font-family: var(--sans); font-weight: 800;
  font-size: clamp(46px, 15vw, 88px); line-height: 1; letter-spacing: -.01em;
}
.stat .v small {
  font-family: var(--sans); font-weight: 700; font-size: .30em;
  color: var(--gold-deep); margin-left: 4px; vertical-align: baseline;
}
.stat .k { font-size: 12.5px; letter-spacing: .34em; color: var(--muted); margin-top: 10px; font-weight: 500; }
@media (min-width: 900px) { .stat .v { font-size: clamp(60px, 7vw, 100px); } }
@media (max-width: 640px) {
  .stat { flex-direction: column; align-items: flex-start; padding: 16px 2px; }
  .stat .v { font-size: clamp(42px, 13vw, 60px); }
  .stat .k { margin-top: 6px; }
}

/* --- 社会任职 / 设计理念：深底浅字、分段 --- */
.about-facts { display: grid; gap: 14px; margin-top: 32px; border-top: 0; }
.fact { background: var(--ink); color: #E9E5D8; padding: 24px 26px; border-bottom: 0; }
.fact .t { color: var(--gold); margin-bottom: 14px; }
.fact .d { color: #D8D3C3; font-size: 13.5px; line-height: 1.9; }
.fact .d span { display: block; padding: 2px 0; }
@media (min-width: 900px) { .about-facts { grid-template-columns: 1.15fr .85fr; } }

/* --- 承诺条：中英文同行不折行 --- */
.commit-item h3 i { white-space: nowrap; display: inline-block; margin-left: 10px; }

/* --- 页脚：加自媒体列 → 四列 --- */
@media (min-width: 900px) {
  .footer-main { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 44px; }
}

/* ============================================================
   V2.4 修订：超粗黑字体 / 全宽公司色带 / 满版竖照 / 艺术细节
   ============================================================ */
:root {
  --heavy: "汉仪超粗黑繁", "HanYi ChaoCuHei Fan", "Source Han Sans CN Black",
           "Noto Sans SC Black", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.hero { overflow: hidden; }

/* 标语：汉仪超粗黑繁（字号字距保持原设定，仅换字重族） */
.hero h1 { font-family: var(--heavy); font-weight: 900; }

/* 数据数字：汉仪超粗黑繁（保持 V2.3 字号） */
.stat .v { font-family: var(--heavy); font-weight: 900; }
.stat .v small { font-family: var(--heavy); font-weight: 700; }

/* 公司名全宽色带：宽=整页（与下方满版图同宽），高=字高×1.5，
   文字与上方英文间距按"字到字"标准段落距（色带高度不计入），文字左侧对齐内容栏 */
.hero-en { margin-bottom: 0; }
.company-band {
  --f: clamp(15px, 4.2vw, 21px);
  width: 100vw; margin: 30px calc(50% - 50vw) 44px;
  background: var(--ink); color: #F1EEE5;
  height: calc(var(--f) * 1.5);
  display: flex; align-items: center;
}
.company-band .band-in {
  width: min(1200px, 100%); margin-inline: auto; padding-inline: 24px;
}
.company-band span {
  font-size: var(--f); line-height: 1; font-weight: 600; letter-spacing: .34em;
}
@media (max-width: 640px) { .company-band .band-in { padding-inline: 18px; } }

/* 竖照：去边框去边距（手机全宽出血；桌面铺满右栏） */
.hero-ph { margin: 0; width: 100%; aspect-ratio: 3/4; overflow: hidden; }
.hero-ph img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 899.98px) {
  .hero-grid { gap: 36px; }
  .hero-ph { width: 100vw; margin-left: calc(50% - 50vw); }
}

/* 关于：英文衬底收紧 */
.about-name-wrap { margin-top: 20px; }
.about-name-en { margin-top: 4px; }
.about-bio { margin-top: 14px; }

/* 深色任职卡：抬头加大；理念独立段落加大 */
.fact .t { font-size: 15px; letter-spacing: .22em; margin-bottom: 16px; }
.fact .d p { margin: 0; }
.fact .d .creed {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(21px, 5vw, 28px); line-height: 1.5; letter-spacing: .14em;
  color: #fff; margin-bottom: 12px;
}
.fact .d .sub { color: #D8D3C3; }
.fact .d .idea-row { display: grid; grid-template-columns: 88px 1fr; gap: 14px; align-items: baseline; margin-top: 12px; }
.fact .d .idea-row:first-of-type { margin-top: 8px; }
.fact .d .idea-row b {
  font-family: var(--serif); font-size: 15px; font-weight: 700;
  letter-spacing: .2em; color: var(--gold); text-align: left;
}
.fact .d .idea-row span { font-size: 13px; color: #D8D3C3; line-height: 1.7; }
.fact .d .creed-en {
  display: block; margin: 12px 0 4px;
  font-family: Georgia, "Times New Roman", serif; font-style: italic; font-weight: 400;
  font-size: 12.5px; letter-spacing: .03em; color: #C9C2AC; line-height: 1.7;
}
.about-verse {
  position: absolute; top: 20px; right: 16px; z-index: 3;
  writing-mode: vertical-rl; pointer-events: none;
  font-family: var(--serif); font-size: 11px; letter-spacing: .24em; line-height: 1.6;
  color: #9C8A4F; text-shadow: 0 0 12px rgba(255,255,255,.55);
}

/* 艺术细节：章节幽灵编号（细描边大字） */
.sec-head { position: relative; }
.sec-head .gn,
.cta-inner .gn {
  position: absolute; right: 0; top: -14px; z-index: 0;
  font-family: var(--serif); font-weight: 700; line-height: 1;
  font-size: clamp(72px, 15vw, 150px);
  color: transparent; -webkit-text-stroke: 1px rgba(183,165,107,.22);
  pointer-events: none; user-select: none;
}
.cta-inner { position: relative; }
.cta-inner .gn { top: -22px; -webkit-text-stroke: 1px rgba(183,165,107,.28); }
.sec-head .kicker, .sec-head h2, .sec-head .lead,
.cta-inner .kicker, .cta-inner h2, .cta-inner .d { position: relative; z-index: 1; }

/* ============================================================
   V2.6 修订：顶部导航公司小标换官方透明横版 LOGO
   ============================================================ */
.nav .logo img { height: 32px; }

/* ============================================================
   V2.7 参考适配（拾光悠然式）：品牌档案条 / 案例标签
   ============================================================ */
.brand-note { padding-top: 6px; }
.brand-head .kicker {
  font-size: 11px; letter-spacing: .38em; color: var(--gold-deep);
  text-transform: uppercase; font-weight: 600; display: flex; align-items: center; gap: 14px;
}
.brand-head .kicker::after { content: ""; flex: 0 0 46px; height: 1px; background: var(--gold); }
.brand-head h2 {
  font-family: var(--serif); font-weight: 700; line-height: 1.55;
  font-size: clamp(21px, 5.4vw, 34px); letter-spacing: .05em; margin-top: 16px;
}
.brand-head .lead { margin-top: 14px; color: var(--muted); font-size: 14px; max-width: 62ch; }
.brand-head .lead b { color: var(--ink); }
.brand-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 36px; border-top: 1px solid var(--ink); }
.b-cell { padding: 22px 20px 8px 0; border-bottom: 1px solid var(--line); }
.b-cell + .b-cell { border-left: 1px solid var(--line); padding-left: 24px; }
.b-cell b { display: block; font-size: 15px; letter-spacing: .06em; }
.b-cell span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--muted); letter-spacing: .08em; }
@media (max-width: 640px) {
  .brand-row { grid-template-columns: 1fr; }
  .b-cell + .b-cell { border-left: 0; padding-left: 0; }
  .b-cell { padding: 16px 0 14px; }
}

/* 作品卡：标签 chip（实景/预告） + 编号归入叠字区 */
.work-kind {
  position: absolute; top: 16px; left: 16px; z-index: 3;
  font-size: 10.5px; letter-spacing: .22em; color: #fff;
  background: rgba(21,20,16,.58); border: 1px solid rgba(255,255,255,.32);
  padding: 5px 11px; white-space: nowrap;
}
.work-txt .work-idx {
  display: block; font-family: var(--serif); font-size: 12px;
  letter-spacing: .26em; color: var(--gold); margin-bottom: 6px;
}

/* ============================================================
   V2.8：首屏满版案例大图 + 数据条 + 关于双栏人像
   ============================================================ */
.hero-case {
  position: relative; overflow: hidden;
  min-height: calc(100svh - var(--nav-h));
  display: flex; align-items: flex-end;
  background: #171612;
}
.hc-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 32%; }
.hc-veil {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(12,11,8,.30) 0%, rgba(12,11,8,.04) 42%, rgba(12,11,8,.78) 100%);
}
.hc-inner { position: relative; z-index: 2; padding: 0 24px 46px; }
.hc-tag { font-size: 10.5px; letter-spacing: .42em; color: #E3D3A4; text-transform: uppercase; margin-bottom: 12px; }
.hc-left h1 {
  font-family: var(--serif); font-weight: 800; color: #fff;
  font-size: clamp(46px, 11vw, 96px); line-height: 1.12; letter-spacing: .12em;
  text-shadow: 0 2px 30px rgba(0,0,0,.35);
}
.hc-meta { margin-top: 16px; color: rgba(255,255,255,.85); font-size: 13.5px; letter-spacing: .12em; }
.hc-link {
  display: inline-flex; margin-top: 26px; align-self: flex-start;
  color: #fff; font-size: 13.5px; letter-spacing: .22em;
  border-bottom: 2px solid var(--gold); padding-bottom: 7px; transition: color .2s;
}
.hc-link:hover { color: var(--gold); }
.hc-ghost {
  position: absolute; right: 22px; top: 50%; transform: translateY(-50%); z-index: 2;
  writing-mode: vertical-rl; font-size: 12px; letter-spacing: .46em;
  color: rgba(255,255,255,.5);
}
@media (max-width: 640px) {
  .hc-inner { padding: 0 18px 34px; }
  .hc-ghost { display: none; }
  .hero-case { min-height: 76svh; }
}

/* 数据条（hero 剥离后独立成带） */
.statstrip { border-bottom: 1px solid var(--line); padding: 6px 0 2px; }
.statstrip .hero-stats { margin-top: 0; }

/* 关于：人像回位双栏 */
.about-grid { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) {
  .about-grid { grid-template-columns: minmax(300px, 5fr) 7fr; gap: clamp(40px, 6vw, 100px); }
}
.about-photo { position: relative; margin: 0; width: 100%; aspect-ratio: 3/4; overflow: hidden; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(183,165,107,.6); pointer-events: none; z-index: 2; }
.about-copy { max-width: none; margin-top: 0; }

/* ============================================================
   V2.9：确定性承诺标题加大、英文独立成行左对齐
   ============================================================ */
.commit-item h3 {
  font-size: clamp(20px, 4.8vw, 27px);
  letter-spacing: .1em; line-height: 1.4; color: #fff; font-weight: 700;
}
.commit-item h3 i {
  display: block;                       /* 换行独立成行 */
  margin: .25em 0 0 0;                  /* 与中文标题行距 0.25 */
  font-family: var(--sans);
  font-size: 11px; font-style: normal; font-weight: 600;
  letter-spacing: .34em; color: var(--gold);
  white-space: normal;
  text-align: left;                     /* 与中文左对齐 */
}
@media (max-width: 640px) {
  .commit-item h3 { font-size: clamp(19px, 5.4vw, 24px); }
}

/* ============================================================
   V3：合作流程——完整版《墨研舍工作流程表》纵向展开
   ============================================================ */
.steps {
  display: block;
  grid-template-columns: none;
  border-top: 1px solid var(--ink);
  border-left: 0;
}
.step {
  display: block !important;
  padding: 30px 0 28px;
  border-right: 0 !important;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.step-head {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 6px 18px;
}
.step-head .no {
  font-family: var(--serif); font-size: 24px; color: var(--gold-deep); line-height: 1;
}
.step-head h3 {
  margin: 0; font-family: var(--serif); font-size: clamp(19px, 5vw, 26px);
  font-weight: 700; letter-spacing: .06em;
}
.step-head .step-sub {
  font-size: 11px; letter-spacing: .28em; color: var(--gold-deep);
  text-transform: uppercase;
}
.step-list {
  margin: 14px 0 0 44px; padding: 0; list-style: none;
  max-width: 780px;
}
.step-list li {
  position: relative; padding: 5px 0 5px 18px;
  font-size: 13.5px; color: var(--muted); line-height: 1.95;
}
.step-list li::before {
  content: ""; position: absolute; left: 0; top: 14px;
  width: 8px; height: 1px; background: var(--gold);
}
@media (min-width: 900px) {
  .step-head .no { font-size: 30px; }
  .step-list { margin-left: 48px; }
}

/* ============================================================
   V3.1：思源黑体 Heavy 自托管 + Hero 轮换
   ============================================================ */
:root {
  --heavy: "Noto Sans SC", "汉仪超粗黑繁", "HanYi ChaoCuHei Fan",
           "Source Han Sans CN Black", "PingFang SC", "Microsoft YaHei", sans-serif;
}
.hero h1 { font-weight: 900; }

/* --- Hero 轮播 --- */
.hc-media { position: absolute; inset: 0; }
.hc-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s ease; }
.hc-slide.on { opacity: 1; }
.hc-slide img { width: 100%; height: 100%; object-fit: cover; object-position: center 32%; }
.hc-dots { position: absolute; right: 24px; bottom: 26px; z-index: 3; display: flex; gap: 8px; }
.hc-dots button {
  width: 7px; height: 7px; border-radius: 50%; border: 1px solid var(--gold);
  background: transparent; cursor: pointer; padding: 0; transition: background .3s;
}
.hc-dots button.on { background: var(--gold); }
@media (max-width: 640px) { .hc-dots { right: 18px; bottom: 18px; } }