/* 设计变量集中在这里；作品图片以 contain 显示，保留原始色彩与完整构图。 */
:root {
  --bg: #171b1e;
  --surface: #1d2226;
  --surface-raised: #242a2f;
  --text: #f1f2f0;
  --muted: #a7afb5;
  --faint: #879198;
  --accent: #a7c3d4;
  --line: #353d43;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 105px; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 15px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
body, button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: #a7c3d4; color: #171b1e; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: default; }
a, button { transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease; }
a:focus-visible, button:focus-visible, video:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
[hidden] { display: none !important; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 500; }
h2 { text-wrap: balance; }
img, video { max-width: 100%; }
svg { width: 24px; height: 24px; flex-shrink: 0; }
main:focus { outline: none; }
.container { width: calc(100% - 112px); max-width: 1280px; margin-inline: auto; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 20px; padding: 10px 18px; background: var(--accent); color: var(--bg); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 30; background: rgba(23,27,30,.97); border-bottom: 1px solid var(--line); }
.header-inner { height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 13px; line-height: 1.5; font-size: 17px; letter-spacing: .08em; }
.brand small { display: block; margin-top: 1px; font-size: 10px; color: var(--muted); letter-spacing: .22em; }
.brand-symbol { width: 31px; height: 33px; border-left: 2px solid var(--accent); border-right: 2px solid var(--accent); display: grid; place-items: center; position: relative; }
.brand-symbol::before, .brand-symbol::after { position: absolute; width: 7px; height: 29px; border-block: 2px solid var(--accent); content: ""; top: 0; }
.brand-symbol::before { left: 0; }
.brand-symbol::after { right: 0; }
.brand-symbol i { width: 9px; height: 9px; border: 1px solid var(--accent); transform: rotate(45deg); }
.desktop-nav { display: flex; gap: 40px; margin-left: auto; margin-right: 44px; }
.desktop-nav a { min-height: 44px; display: grid; place-items: center; color: #bcc2c6; font-size: 14px; }
.desktop-nav a:hover { color: var(--text); }
.header-contact { display: flex; align-items: center; gap: 26px; min-height: 42px; padding: 0 16px; border: 1px solid #66727b; font-size: 13px; }
.header-contact:hover { border-color: var(--accent); color: var(--accent); }
.header-contact svg { width: 19px; }
.menu-toggle, .mobile-nav { display: none; }
.prototype-note { padding-top: 25px; display: flex; align-items: center; gap: 9px; font-size: 11px; color: var(--faint); letter-spacing: .04em; }
.status-dot { width: 5px; height: 5px; display: inline-block; flex-shrink: 0; border-radius: 50%; background: var(--accent); }
.hero { border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; padding: 49px 0 68px; }
.eyebrow { display: flex; align-items: center; gap: 13px; color: var(--accent); font-size: 12px; letter-spacing: .08em; margin-bottom: 23px; }
.eyebrow > span { height: 1px; width: 28px; background: var(--accent); }
.hero h1 { font-size: clamp(42px, 4.1vw, 59px); font-weight: 500; line-height: 1.28; letter-spacing: -.025em; }
.hero h1 > span { display: block; }
.accent-text { color: var(--accent); }
.hero-description { max-width: 430px; font-size: 15px; line-height: 1.95; color: var(--muted); margin-top: 27px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 15px; margin-top: 33px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 29px; padding: 11px 22px; font-size: 13px; }
.button-primary { background: var(--accent); color: #18242c; }
.button-primary:hover { background: #c7d9e3; }
.button-primary:focus-visible { outline-color: #fff; }
.button svg { width: 20px; }
.button-quiet { color: #c3cbd0; }
.button-quiet:hover { color: #fff; background: var(--surface-raised); }
.button-quiet > span { font-size: 21px; }
.hero-media { padding-top: 8px; min-width: 0; }
.media-surface { position: relative; aspect-ratio: 16 / 10; background: #c0cbd0; overflow: hidden; color: #4b5e69; }
.media-placeholder { position: absolute; inset: 0; background-image: linear-gradient(#657a880b 1px, transparent 1px), linear-gradient(90deg, #657a880b 1px, transparent 1px); background-size: 56px 56px; }
.hero-surface { aspect-ratio: 1.14; background-color: #c5cfd2; }
.hero-surface::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 38%, #e0e6e7 0%, transparent 72%); }
.placeholder-center { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; }
.placeholder-symbol { display: block; position: relative; height: 43px; width: 48px; margin-bottom: 22px; }
.placeholder-symbol i:first-child { position: absolute; width: 36px; height: 27px; border: 1px solid #657b877d; left: 0; top: 0; }
.placeholder-symbol i:last-child { position: absolute; width: 36px; height: 27px; border: 1px solid #657b877d; left: 11px; top: 12px; background: #c5cfd2; }
.placeholder-title { font-size: 16px; letter-spacing: .12em; color: #455864; }
.placeholder-sub { font-size: 10px; letter-spacing: .08em; color: #586b76; margin-top: 7px; }
.frame-corner { position: absolute; width: 14px; height: 14px; border-color: #6a7e897a; border-style: solid; border-width: 0; }
.top-left { top: 22px; left: 22px; border-top-width: 1px; border-left-width: 1px; }
.top-right { top: 22px; right: 22px; border-top-width: 1px; border-right-width: 1px; }
.bottom-left { bottom: 22px; left: 22px; border-bottom-width: 1px; border-left-width: 1px; }
.bottom-right { bottom: 22px; right: 22px; border-bottom-width: 1px; border-right-width: 1px; }
.media-index { position: absolute; bottom: 21px; left: 45px; font-size: 9px; font-family: var(--font); letter-spacing: .14em; color: #576b77; }
.media-mark { position: absolute; bottom: 15px; right: 42px; color: #607581; font-size: 17px; }
.media-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #e4e7e6; z-index: 1; }
.media-ready > .media-placeholder { display: none; }
.media-error { position: absolute; bottom: 45px; left: 15px; right: 15px; text-align: center; font-size: 11px; color: #42545e; }
.hero-media figcaption { display: flex; justify-content: space-between; gap: 12px; font-size: 10px; color: var(--faint); margin-top: 13px; letter-spacing: .035em; }
.hero-media figcaption > span:last-child { flex-shrink: 0; letter-spacing: .1em; }
.hero-bottom { border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; min-height: 70px; font-size: 11px; color: var(--muted); }
.hero-bottom > div { display: flex; align-items: center; gap: 21px; }
.hero-bottom i { width: 3px; height: 3px; background: #66747d; border-radius: 50%; }
.hero-bottom a { display: flex; align-items: center; gap: 28px; min-height: 44px; }
.hero-bottom a:hover { color: var(--accent); }
.hero-bottom a span { font-size: 17px; }
.section { padding: 90px 0 96px; scroll-margin-top: 22px; }
.section-label { display: flex; justify-content: space-between; color: var(--faint); font-size: 10px; letter-spacing: .13em; margin-bottom: 31px; }
.section-label span:first-child { color: var(--accent); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 31px; }
.section h2 { font-size: 34px; letter-spacing: -.025em; line-height: 1.55; }
.section-heading p { font-size: 13px; color: var(--muted); padding-bottom: 7px; }
.works-note { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; margin-bottom: 24px; }
.works-note .status-dot { background: #8e9ca5; }
.work-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px; }
.work-link { display: block; }
.work-image { position: relative; }
.work-image .media-surface { aspect-ratio: 1.58; background-color: #bbc7cf; }
.work-card:nth-child(2) .media-surface { background-color: #c8cecb; }
.work-kind { position: absolute; top: 16px; left: 16px; z-index: 2; padding: 2px 9px; border: 1px solid #72848b7a; background: #e2e7e4d9; color: #3f535e; font-size: 10px; }
.work-arrow { position: absolute; bottom: 16px; right: 16px; z-index: 2; width: 38px; height: 38px; background: var(--bg); color: var(--accent); display: grid; place-items: center; transition: background-color 160ms ease; }
.work-arrow svg { width: 20px; transform: rotate(-45deg); }
.work-link:hover .work-arrow { color: var(--bg); background-color: var(--accent); }
.work-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 23px; font-size: 10px; color: var(--accent); letter-spacing: .05em; }
.work-meta > span:last-child { color: var(--faint); }
.work-card h3 { font-size: 23px; line-height: 1.6; margin-top: 6px; }
.work-details { color: var(--muted); font-size: 12px; margin-top: 9px; }
.work-details span { color: #53616a; margin: 0 7px; }
.work-detail-link { display: flex; align-items: center; gap: 17px; color: #c1cad0; font-size: 11px; margin-top: 18px; }
.work-detail-link svg { width: 16px; }
.services { border-top: 1px solid var(--line); background: var(--surface); }
.services .section-heading { margin-bottom: 46px; }
.services-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); border-top: 1px solid #465159; }
.service-item { padding: 28px 30px 0 0; }
.service-item + .service-item { padding-left: 30px; border-left: 1px solid var(--line); }
.service-item:last-child { padding-right: 0; }
.service-index { font-size: 11px; color: var(--faint); letter-spacing: .08em; }
.service-item h3 { font-size: 22px; margin-top: 24px; margin-bottom: 13px; }
.service-item p { font-size: 13px; line-height: 1.9; color: var(--muted); min-height: 76px; max-width: 320px; }
.service-tags { margin-top: 31px; display: flex; flex-wrap: wrap; gap: 9px 13px; color: #a4b8c4; font-size: 10px; }
.service-tags > span + span { border-left: 1px solid #43505a; padding-left: 13px; }
.about { border-block: 1px solid var(--line); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.about h2 { font-size: 36px; line-height: 1.75; }
.identity-note { display: inline-block; border-bottom: 1px solid var(--line); padding-bottom: 7px; color: var(--faint); font-size: 11px; margin-top: 31px; }
.about-copy { padding-top: 8px; }
.about-copy > p { color: #b9c0c5; font-size: 14px; line-height: 2.1; margin-bottom: 23px; }
.tools { border-top: 1px solid var(--line); margin-top: 36px; padding-top: 20px; }
.tools > span { font-size: 10px; color: var(--faint); }
.tools p { margin-top: 9px; color: #a7b7c2; font-size: 11px; line-height: 2.1; }
.tools p span { color: #5f6c76; margin: 0 5px; }
.contact { background: #20262b; }
.contact-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 130px; }
.contact h2 { font-size: 35px; line-height: 1.6; }
.contact-description { color: var(--muted); font-size: 13px; line-height: 2; margin-top: 22px; max-width: 590px; }
.contact-methods { margin-top: 34px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.contact-method { padding-block: 15px; border-top: 1px solid #47525b; min-width: 0; }
.contact-method > span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 11px; }
.contact-method strong { font-size: 17px; font-weight: 400; color: #c8d2d9; overflow-wrap: anywhere; }
.contact-method strong .status-dot { background: #798d9c; margin-left: 11px; margin-bottom: 4px; }
.contact-method a { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 15px; overflow-wrap: anywhere; }
.contact-method a svg { width: 18px; }
.wechat-value { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.text-button { border: 1px solid #617583; background: transparent; color: var(--accent); padding: 8px 12px; min-height: 44px; font-size: 11px; }
.copy-status, .contact-pending { font-size: 11px; color: var(--muted); margin-top: 10px; }
.copy-status:empty { display: none; }
.contact-qr { margin-top: 20px; max-width: 200px; }
.contact-qr .media-surface { aspect-ratio: 1; }
.contact-qr figcaption { font-size: 12px; margin-top: 8px; }
.project-start { border-left: 1px solid #414c55; padding-left: 39px; margin-top: 9px; }
.small-label { color: #a2b3c0; font-size: 11px; letter-spacing: .03em; }
.project-start ol { list-style: none; counter-reset: steps; margin: 23px 0 29px; padding: 0; }
.project-start li { display: flex; align-items: center; gap: 21px; counter-increment: steps; font-size: 13px; color: #b6c0c7; padding-block: 11px; border-bottom: 1px solid #39434b; }
.project-start li::before { content: '0' counter(steps); color: #77909f; font-size: 10px; }
.project-start > p { font-size: 13px; color: #91a5b3; line-height: 1.9; }
.site-footer { padding: 36px 0 25px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; font-size: 11px; }
.footer-brand { font-size: 13px; }
.footer-brand span { color: var(--faint); font-size: 10px; }
.footer-inner p { color: var(--muted); }
.footer-inner > a:last-child { color: #a4b6c2; min-height: 44px; display: flex; align-items: center; }
.footer-note { margin-top: 16px; border-top: 1px solid #2e363c; padding-top: 17px; font-size: 10px; color: var(--faint); }
.footer-filing { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.footer-filing a { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; overflow-wrap: anywhere; }
.footer-filing a:hover { color: var(--text); text-decoration: underline; }
/* 案例详情共用一个模板；独立 HTML 地址可直达与刷新。 */
.case-hero { padding-top: 39px; }
.back-link { display: inline-flex; align-items: center; min-height: 44px; color: #a6b6c1; font-size: 12px; }
.back-link:hover { color: var(--text); }
.case-eyebrow { display: flex; align-items: center; gap: 20px; color: var(--accent); font-size: 11px; margin-top: 34px; letter-spacing: .08em; }
.case-eyebrow > span:first-child { padding-right: 20px; border-right: 1px solid #55616a; }
.case-hero h1 { font-size: clamp(32px, 3.7vw, 50px); margin-top: 14px; line-height: 1.5; letter-spacing: -.025em; }
.case-summary { color: var(--muted); max-width: 720px; font-size: 14px; line-height: 1.95; margin-top: 18px; }
.case-status { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 23px; }
.case-status > span { padding: 3px 11px; border: 1px solid #42505a; color: #a6b6c2; font-size: 10px; }
.case-status > span:first-child { background: #2c3b45; color: #bdd1de; border-color: #4c606d; }
.case-facts { display: grid; grid-template-columns: repeat(3,1fr); margin-block: 36px; padding-top: 20px; border-top: 1px solid var(--line); }
.case-facts > div { padding-right: 20px; }
.case-facts span { display: block; font-size: 10px; color: var(--faint); margin-bottom: 8px; }
.case-facts strong { display: block; font-size: 13px; font-weight: 400; color: #c3ccd2; }
.case-cover .media-surface { aspect-ratio: 2.2; }
.case-cover figcaption { margin-block: 12px 27px; font-size: 11px; color: var(--faint); }
.video-empty { display: grid; grid-template-columns: 130px 1fr auto; align-items: center; gap: 20px; padding: 25px 28px; border: 1px solid #3f4c56; background: var(--surface); }
.video-empty strong { color: #bac7d0; font-size: 15px; font-weight: 400; }
.video-empty p { color: var(--muted); font-size: 11px; }
.video-block { padding-block: 12px; }
.video-block video { width: 100%; display: block; max-height: 75vh; background: #111; }
.video-error { padding: 30px; color: #c4d4dd; background: var(--surface); border: 1px solid var(--line); }
.video-transcript { color: var(--muted); margin-top: 16px; white-space: pre-line; }
.case-notice { font-size: 11px; color: var(--faint); margin-top: 19px; }
.case-body { display: grid; grid-template-columns: 218px minmax(0,1fr); gap: 86px; margin-top: 66px; }
.case-toc { align-self: start; position: sticky; top: 129px; padding-top: 22px; border-top: 1px solid var(--line); }
.case-toc nav { display: flex; flex-direction: column; margin-top: 17px; }
.case-toc a { display: flex; gap: 16px; align-items: center; min-height: 44px; color: #b3bec6; font-size: 12px; }
.case-toc a span { color: #718b9c; font-size: 10px; }
.case-toc a:hover { color: var(--accent); }
.story-section { border-top: 1px solid var(--line); padding-block: 33px 52px; position: relative; scroll-margin-top: 30px; }
.story-index { color: #8199a9; font-size: 10px; display: block; margin-bottom: 10px; }
.story-section h2 { font-size: 25px; margin-bottom: 19px; }
.story-section > p { font-size: 14px; line-height: 2; color: #b5c0c8; }
.role-list { margin: 0; }
.role-list > div { display: grid; grid-template-columns: 100px 1fr; gap: 20px; padding-block: 15px; border-bottom: 1px solid #2c363e; }
.role-list dt { color: #9bb3c2; font-size: 12px; }
.role-list dd { margin: 0; font-size: 14px; color: #b5c0c8; }
.frame-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 28px; }
.frame-grid .media-surface { aspect-ratio: 1.4; }
.frame-grid .placeholder-title { font-size: 13px; }
.frame-grid .placeholder-sub { font-size: 9px; }
.frame-grid .placeholder-symbol { transform: scale(.8); margin-bottom: 9px; }
.frame-grid h3 { font-size: 15px; margin-top: 16px; }
.frame-grid figcaption p { font-size: 12px; line-height: 1.9; color: var(--muted); margin-top: 8px; }
.story-section .permission-note { padding: 13px 17px; border-left: 2px solid #6c8799; background: var(--surface); font-size: 12px; margin-top: 24px; }
.case-return { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); padding-block: 20px; margin-bottom: 46px; font-size: 13px; color: var(--accent); }
.case-return a { min-height: 44px; display: flex; align-items: center; gap: 22px; }
.case-return svg { width: 20px; }
@media (min-width: 1600px) { .hero-grid { padding-top: 64px; padding-bottom: 79px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 72px); }
  .desktop-nav { gap: 27px; margin-right: 10px; }
  .hero-grid { gap: 34px; }
  .hero h1 { font-size: 43px; }
  .hero-description { font-size: 14px; }
  .hero-actions { gap: 7px; }
  .button { padding-inline: 18px; gap: 18px; }
  .hero-surface { aspect-ratio: .88; }
  .hero-media figcaption > span:last-child { display: none; }
  .contact-grid { gap: 60px; grid-template-columns: 1.6fr 1fr; }
  .contact h2 { font-size: 30px; }
  .about-grid { gap: 50px; }
  .case-body { grid-template-columns: 168px minmax(0,1fr); gap: 45px; }
  .video-empty { grid-template-columns: 100px 1fr; }
  .video-empty p { grid-column: 2; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 80px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: 72px; gap: 15px; }
  .brand { font-size: 15px; gap: 11px; }
  .brand small { font-size: 9px; }
  .brand-symbol { transform: scale(.86); transform-origin: left; width: 29px; margin-right: -3px; }
  .desktop-nav, .header-contact { display: none; }
  .menu-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 6px; width: 44px; height: 44px; border: 1px solid #45535d; color: var(--text); background: transparent; }
  .menu-toggle span { height: 1px; width: 17px; background: currentColor; transition: transform 160ms ease; }
  .menu-toggle[aria-expanded=true] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded=true] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-nav { display: grid; background: #20262b; padding: 13px 20px 21px; border-top: 1px solid var(--line); }
  .mobile-nav a { display: flex; align-items: center; justify-content: space-between; min-height: 49px; padding-inline: 10px; font-size: 14px; border-bottom: 1px solid #3a454e; }
  .mobile-nav svg { width: 18px; color: var(--accent); }
  .prototype-note { padding-top: 18px; font-size: 9px; }
  .hero-grid { grid-template-columns: 1fr; gap: 35px; padding: 38px 0 26px; }
  .eyebrow { font-size: 10px; gap: 10px; margin-bottom: 20px; letter-spacing: .035em; }
  .eyebrow > span { width: 20px; }
  .hero h1 { font-size: clamp(34px, 10.25vw, 54px); line-height: 1.3; letter-spacing: -.035em; }
  .hero-description { margin-top: 23px; font-size: 13px; line-height: 1.95; max-width: 480px; }
  .hero-actions { margin-top: 26px; gap: 10px; }
  .button { min-height: 48px; font-size: 12px; padding: 10px 18px; gap: 22px; }
  .button-quiet { padding-inline: 13px; gap: 14px; }
  .hero-media { padding: 0; }
  .hero-surface { aspect-ratio: 1.33; }
  .hero-media figcaption { font-size: 9px; margin-top: 10px; }
  .placeholder-title { font-size: 14px; }
  .placeholder-sub { font-size: 9px; }
  .placeholder-symbol { margin-bottom: 16px; }
  .hero-bottom { min-height: 60px; font-size: 9px; }
  .hero-bottom > div { gap: 11px; }
  .hero-bottom a { gap: 12px; }
  .section { padding: 58px 0 62px; scroll-margin-top: 15px; }
  .section-label { font-size: 9px; margin-bottom: 23px; }
  .section-heading { display: block; margin-bottom: 24px; }
  .section h2 { font-size: 28px; }
  .section-heading p { margin-top: 12px; padding: 0; font-size: 12px; line-height: 1.9; }
  .works-note { font-size: 10px; align-items: baseline; line-height: 1.8; margin-bottom: 24px; }
  .work-grid { grid-template-columns: 1fr; gap: 37px; }
  .work-image .media-surface { aspect-ratio: 1.52; }
  .work-meta { margin-top: 19px; }
  .work-card h3 { font-size: 21px; margin-top: 6px; }
  .work-details { font-size: 11px; }
  .work-detail-link { margin-top: 14px; }
  .services .section-heading { margin-bottom: 31px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-item, .service-item + .service-item { padding: 26px 0 28px; border-left: 0; }
  .service-item + .service-item { border-top: 1px solid var(--line); }
  .service-item:last-child { padding-bottom: 0; }
  .service-item h3 { font-size: 21px; margin-top: 12px; margin-bottom: 10px; }
  .service-item p { font-size: 12px; min-height: 0; max-width: none; }
  .service-tags { margin-top: 21px; }
  .about-grid { grid-template-columns: 1fr; gap: 27px; }
  .about h2 { font-size: 29px; line-height: 1.7; }
  .identity-note { margin-top: 22px; }
  .about-copy { padding: 0; }
  .about-copy > p { font-size: 13px; margin-bottom: 17px; }
  .tools { margin-top: 27px; }
  .tools p { font-size: 10px; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact h2 { font-size: 27px; line-height: 1.65; }
  .contact-description { font-size: 12px; margin-top: 19px; }
  .contact-methods { gap: 20px; margin-top: 25px; }
  .contact-method strong { font-size: 16px; }
  .contact-method a { font-size: 12px; }
  .contact-pending { font-size: 10px; }
  .project-start { border-left: 0; border-top: 1px solid #414c55; padding: 25px 0 0; margin: 0; }
  .project-start ol { margin: 13px 0 19px; }
  .project-start li { font-size: 12px; padding-block: 10px; }
  .project-start > p { font-size: 12px; }
  .project-start > p br { display: none; }
  .site-footer { padding-top: 23px; }
  .footer-inner { flex-wrap: wrap; gap: 3px 16px; }
  .footer-brand { font-size: 12px; }
  .footer-inner p { display: none; }
  .footer-inner > a:last-child { font-size: 10px; }
  .footer-note { font-size: 9px; line-height: 1.9; margin-top: 11px; }
  .case-hero { padding-top: 21px; }
  .case-eyebrow { margin-top: 23px; font-size: 10px; gap: 13px; }
  .case-eyebrow > span:first-child { padding-right: 13px; }
  .case-hero h1 { font-size: 32px; line-height: 1.5; margin-top: 15px; }
  .case-summary { font-size: 12px; margin-top: 14px; }
  .case-status { gap: 7px; margin-top: 21px; }
  .case-status > span { font-size: 9px; padding: 3px 8px; }
  .case-facts { margin-block: 27px 24px; gap: 12px; }
  .case-facts > div { padding-right: 0; }
  .case-facts strong { font-size: 11px; }
  .case-facts span { font-size: 9px; }
  .case-cover .media-surface { aspect-ratio: 1.4; }
  .case-cover figcaption { margin-bottom: 20px; font-size: 10px; }
  .video-empty { padding: 21px; grid-template-columns: 1fr; gap: 7px; }
  .video-empty p { grid-column: auto; font-size: 10px; }
  .video-empty strong { font-size: 14px; }
  .case-notice { margin-top: 15px; font-size: 10px; }
  .case-body { grid-template-columns: 1fr; gap: 30px; margin-top: 39px; }
  .case-toc { position: static; padding-top: 20px; }
  .case-toc nav { flex-direction: row; flex-wrap: wrap; gap: 3px 19px; margin-top: 12px; }
  .case-toc a { font-size: 11px; gap: 8px; min-height: 36px; }
  .story-section { padding-block: 27px 34px; scroll-margin-top: 15px; }
  .story-section h2 { font-size: 23px; margin-bottom: 15px; }
  .story-section > p { font-size: 12px; }
  .role-list > div { grid-template-columns: 1fr; gap: 7px; }
  .role-list dd { font-size: 12px; }
  .frame-grid { grid-template-columns: 1fr; gap: 25px; margin-top: 23px; }
  .frame-grid .media-surface { aspect-ratio: 1.4; }
  .frame-grid figcaption p { font-size: 11px; }
  .story-section .permission-note { font-size: 11px; }
  .case-return { font-size: 11px; margin-bottom: 24px; }
  .case-return a { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}