/* 2026-10-04 品牌試版。沿用正式 S 流紋 SVG 與品牌色。 */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #FFFFFF;
  --surface: #F5F5F5;
  --ink: #171717;
  --ink-soft: #626262;
  --line: #DDDDDD;
  --accent: #F25417;
  --accent-ink: #171717;
  --accent-text: var(--ink);
  --copper: #CF9466;
  --gold: #EFB84F;
  --copper-raw: #CF9466;
  --gold-raw: #EFB84F;
  --header-h: 100px;
  --container-max: 1240px;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0B0B0B;
  --surface: #141414;
  --ink: #F5F5F5;
  --ink-soft: #B5B5B5;
  --line: #383838;
  --accent: #F25417;
  --accent-ink: #171717;
  --accent-text: var(--ink);
  --copper: #CF9466;
  --gold: #EFB84F;
}
html { scroll-padding-top: calc(var(--header-h) + 16px); }
body { font-family: "Noto Sans TC", "Hiragino Sans", "PingFang TC", sans-serif; }
.site-header { position: sticky; }
.header-inner { padding-inline: 40px; }
.brand { text-decoration: none; }
.brand-image { display: block; }
.brand-image img { width: 100%; height: auto; }
.brand-image .logo-dark { display: none; }
:root[data-theme="dark"] .brand-image .logo-light { display: none; }
:root[data-theme="dark"] .brand-image .logo-dark { display: block; }
.nav-logo { width: 90px; }
.nav-logo img { height: 96px; width: auto; }
.lang-switch__link { min-width: 40px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle { min-width: 44px; min-height: 44px; background: transparent; border-color: var(--line); }
:root[data-theme="light"] .theme-toggle__icon--sun { opacity: 1; }
:root[data-theme="light"] .theme-toggle__icon--moon { opacity: 0; }
:root[data-theme="dark"] .theme-toggle__icon--sun { opacity: 0; }
:root[data-theme="dark"] .theme-toggle__icon--moon { opacity: 1; }
.brand-hero { padding: 58px 0 0; overflow: visible; }
.brand-hero .hero-inner { display: grid; grid-template-columns: 1.35fr 1fr; gap: 20px; text-align: left; padding-inline: 40px; align-items: center; }
.hero-copy { padding-block: 28px 44px; }
.hero-kicker { color: var(--ink-soft); font-size: 12px; font-weight: 700; letter-spacing: .15em; margin-bottom: 28px; }
.hero-kicker span { color: var(--accent); margin-inline: 10px; }
.brand-hero h1 { font-size: clamp(42px, 4.7vw, 68px); font-weight: 750; line-height: 1.27; letter-spacing: -.035em; margin: 0; }
.hero-intro { max-width: 31em; margin-top: 26px; font-size: 18px; line-height: 1.9; color: var(--ink-soft); text-wrap: pretty; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 26px; margin-top: 34px; }
.button-primary { display: inline-flex; align-items: center; justify-content: center; gap: 26px; min-height: 54px; padding: 14px 22px; background: var(--accent); color: var(--accent-ink); font-size: 16px; font-weight: 700; text-decoration: none; border-radius: 4px; transition: box-shadow 160ms; }
.button-primary:hover { box-shadow: 0 4px 0 var(--ink); }
.button-text { display: inline-flex; align-items: center; gap: 14px; min-height: 48px; color: var(--ink); text-decoration: underline; text-underline-offset: 6px; text-decoration-color: var(--line); font-size: 15px; }
.button-text:hover { text-decoration-color: var(--ink); }
.hero-fields { margin-top: 30px; color: var(--ink-soft); font-size: 13px; letter-spacing: .07em; }
.hero-identity { display: flex; align-items: center; justify-content: center; }
.hero-logo { width: min(100%, 430px); }
.brand-method { max-width: 1160px; margin: 34px auto 0; padding: 30px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; }
.method-heading { font-size: 17px; font-weight: 650; }
.method-note { font-size: 13px; line-height: 1.8; color: var(--ink-soft); margin-top: 8px; max-width: 36em; }
.brand-method ol { list-style: none; padding: 0; margin: 0; display: flex; gap: 24px; justify-content: space-between; }
.brand-method li { font-size: 14px; font-weight: 650; }
.brand-method li span { display: block; width: 28px; padding-bottom: 8px; margin-bottom: 8px; font-size: 12px; border-bottom: 3px solid #EFB84F; color: var(--ink-soft); }
.brand-method li:nth-child(2) span { border-color: #88AF79; }
.brand-method li:nth-child(3) span { border-color: #79BDD0; }
.services, .records, .talks, .identity { padding-block: 80px; }
.section-layout { padding-inline: 40px; }
.section-title { font-size: 30px; line-height: 1.5; }
.section-eyebrow { letter-spacing: .1em; }
.services .service-card__icon { display: none; }
.services .service-accordion { border-left: 3px solid transparent; }
.services .service-accordion:nth-child(1) { border-left-color: #EFB84F; }
.services .service-accordion:nth-child(2) { border-left-color: #CF9466; }
.services .service-accordion:nth-child(3) { border-left-color: #79BDD0; }
.services .service-accordion:nth-child(4) { border-left-color: #88AF79; }
.services .service-accordion:nth-child(5) { border-left-color: #E26961; }
.service-accordion__summary { padding: 24px 18px; gap: 20px; }
.services .service-accordion__meta { width: 112px; }
.service-card__title { white-space: normal; }
.services .service-accordion__line { min-width: 0; font-size: 18px; text-wrap: pretty; }
.service-accordion__panel-content { padding: 8px 18px 28px; }
.service-card__body { line-height: 1.9; }
details[open] > .service-accordion__panel .service-accordion__panel-content { animation: none; }
.reveal { opacity: 1 !important; transform: none !important; }
.contact { background: var(--surface); padding-block: 80px; }
.contact .section-title { font-size: 38px; }
.contact-cmds { display: flex; flex-wrap: wrap; gap: 22px; justify-content: center; }
.contact-address { margin-top: 24px; font-size: 16px; }
.contact-address a { color: var(--ink-soft); text-underline-offset: 5px; }
.contact-note { margin-top: 24px; color: var(--ink-soft); }
.site-footer { padding-block: 12px; }
.site-footer__line { display: flex; align-items: center; justify-content: space-between; gap: 24px; border: 0; font-size: 14px; }
.footer-logo { width: 200px; }
.site-footer p span { color: var(--ink-soft); font-size: 12px; }
.site-footer a { text-underline-offset: 5px; }
@media (max-width: 1239px) { .brand-method { margin-inline: 40px; } }
@media (max-width: 850px) {
  .brand-hero .hero-inner { grid-template-columns: 1.3fr 1fr; padding-inline: 24px; gap: 0; }
  .brand-hero h1 { font-size: 44px; }
  .hero-intro { font-size: 17px; }
  .hero-logo { width: 100%; }
  .brand-method { grid-template-columns: 1fr; gap: 24px; margin-inline: 24px; }
  .brand-method ol { justify-content: flex-start; gap: 40px; }
  .section-layout { padding-inline: 24px; }
}
@media (max-width: 600px) {
  .header-inner { padding-inline: 16px; }
  .theme-toggle { width: 44px; flex-shrink: 0; }
  .brand-hero { padding-top: 4px; }
  .brand-hero .hero-inner { display: flex; flex-direction: column; align-items: stretch; padding-inline: 24px; }
  .hero-identity { order: -1; }
  .hero-logo { width: 224px; }
  .hero-copy { padding: 0 0 24px; }
  .hero-kicker { margin-bottom: 16px; font-size: 10px; }
  .brand-hero h1 { font-size: clamp(34px, 8vw, 46px); }
  .hero-intro { margin-top: 18px; font-size: 16px; line-height: 1.8; }
  .hero-actions { gap: 12px; margin-top: 24px; }
  .button-primary { gap: 16px; font-size: 15px; }
  .hero-fields { margin-top: 22px; font-size: 11px; letter-spacing: 0; }
  .brand-method { margin-top: 16px; padding-block: 24px; }
  .brand-method ol { gap: 16px; justify-content: space-between; }
  .brand-method li { font-size: 12px; flex: 1; }
  .services, .records, .talks, .identity { padding-block: 52px; }
  .services .service-accordion__summary { display: grid; grid-template-columns: 1fr 24px; gap: 10px; padding: 20px 14px; }
  .services .service-accordion__meta { grid-column: 1; flex-direction: row; gap: 12px; align-items: center; width: auto; }
  .services .service-accordion__line { grid-column: 1; font-size: 16px; }
  .services .service-accordion__chevron { grid-column: 2; grid-row: 1 / 3; }
  .service-card__quote { font-size: 18px; }
  .service-card__body { font-size: 16px; }
  .contact { padding: 56px 24px; }
  .contact .section-title { font-size: 32px; }
  .contact-note { font-size: 16px; }
  .site-footer__line { flex-wrap: wrap; gap: 12px; padding-inline: 24px; }
  .footer-logo { width: 200px; margin-left: -28px; }
  .site-footer__line > a { margin-left: auto; padding-bottom: 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* 寬螢幕試版：桌面以 16:9 首屏構圖，內容随視窗伸展。 */
:root { --container-max: 100%; --page-gutter: clamp(24px, 5vw, 112px); }
.header-inner, .brand-hero .hero-inner, .section-layout, .site-footer__line { padding-inline: var(--page-gutter); }
.brand-hero { padding: 0; }
.brand-hero .hero-inner { min-height: clamp(580px, calc(100svh - 260px), 940px); grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 5vw; }
.hero-copy { padding-block: 46px; }
.brand-hero h1 { font-size: clamp(46px, 4.5vw, 88px); }
.hero-intro { max-width: 36em; font-size: clamp(17px, 1.25vw, 22px); }
.hero-command { font-size: 16px; color: var(--ink-soft); margin-bottom: 18px; }
.terminal-user { color: var(--accent-text); }
.hero-kicker { font-family: "IBM Plex Mono", monospace; margin-bottom: 24px; letter-spacing: .16em; }
.hero-logo { width: min(100%, 570px); }
.hero-identity { min-width: 0; }
.brand-method { max-width: none; margin: 0 var(--page-gutter); padding-block: 28px; grid-template-columns: 1fr 1fr; }
.brand-method ol { gap: 32px; }
.contact { background: color-mix(in srgb, var(--surface) 82%, transparent); }
.contact-cmds { gap: 20px 40px; }
.contact-cmd { font-size: clamp(16px, 1.6vw, 26px); max-width: 100%; min-height: 48px; padding: 12px 0; overflow-wrap: anywhere; }
.contact-hint { padding-inline: 20px; line-height: 1.8; }
.contact-address { font-size: 14px; }
.services .service-card__icon { display: block; }
details[open] > .service-accordion__panel .service-accordion__panel-content { animation: termPrint .35s ease both; }
@media (min-width: 1600px) { .section-layout { grid-template-columns: minmax(280px, 24%) minmax(0, 1fr); } }
@media (max-width: 1000px) {
 .brand-hero .hero-inner { gap: 24px; min-height: 580px; }
 .brand-hero h1 { font-size: 44px; }
 .hero-command { font-size: 13px; }
 .brand-method { grid-template-columns: 1fr; gap: 24px; }
 .brand-method ol { justify-content: space-between; }
}
@media (max-width: 700px) {
 :root { --page-gutter: 24px; --header-h: 84px; }
 .header-inner { padding-inline: 16px; }
 .nav-logo img { height: 78px; }
 .theme-toggle { width: 44px; }
 .brand-hero .hero-inner { display: flex; flex-direction: column; align-items: stretch; min-height: auto; gap: 0; }
 .hero-identity { order: -1; }
 .hero-logo { width: 220px; }
 .hero-copy { padding: 0 0 32px; }
 .brand-hero h1 { font-size: clamp(34px, 8vw, 48px); }
 .hero-intro { font-size: 16px; }
 .hero-command { font-size: 13px; }
 .hero-kicker { font-size: 10px; margin-bottom: 20px; }
 .brand-method { grid-template-columns: 1fr; padding-block: 24px; }
 .brand-method ol { gap: 12px; }
 .brand-method li { font-size: 12px; }
 .contact-cmds { flex-direction: column; align-items: center; gap: 16px; }
 .contact-cmd { font-size: 15px; text-align: left; }
 .command-email { overflow-wrap: anywhere; }
 .contact-hint { padding: 0; }
}
:root[data-theme] { --container-max: 100%; }
@media (max-width: 700px) { :root[data-theme] { --header-h: 84px; } }

/* 品牌動態語彙：流動、接合、完成。文字維持自然排版。 */
.hero-kicker { display: flex; align-items: center; gap: 16px; letter-spacing: .12em; }
.hero-kicker span { margin: 0; }
.keep-together { white-space: nowrap; }
h1, h2, h3 { text-wrap: balance; }
p, .service-accordion__line { text-wrap: pretty; }
.hero-copy, .hero-intro, .story-copy { min-width: 0; }
.hero-logo { animation: brand-arrive 800ms cubic-bezier(.16,1,.3,1) both; }
@keyframes brand-arrive { from { opacity: 0; transform: translateY(16px); clip-path: inset(0 0 14%); } to { opacity: 1; transform: translateY(0); clip-path: inset(0); } }
.services .service-accordion__summary { display: grid; grid-template-columns: 44px 112px minmax(0,1fr) 24px; align-items: center; gap: 24px; }
.services .service-card__icon { width: 44px; height: 44px; margin: 0; color: var(--service-color); }
.services .service-accordion__meta { width: auto; }
.services .service-accordion__line { text-align: left; line-height: 1.65; }
.services .service-accordion { --service-color: var(--accent-text); }
.services .service-accordion:nth-child(2) { --service-color: var(--copper); }
.services .service-accordion:nth-child(3) { --service-color: #79BDD0; }
.services .service-accordion:nth-child(4) { --service-color: #88AF79; }
.services .service-accordion:nth-child(5) { --service-color: #E26961; }
.brand-icon-stroke { stroke-dasharray: 1; stroke-dashoffset: 0; }
.service-accordion[open] .brand-icon-stroke { animation: brand-draw 650ms cubic-bezier(.16,1,.3,1) both; }
.service-accordion[open] .brand-icon-stroke:nth-child(n+2) { animation-delay: 100ms; }
@keyframes brand-draw { from { stroke-dashoffset: 1; opacity: .3; } to { stroke-dashoffset: 0; opacity: 1; } }
.brand-story { padding: 90px var(--page-gutter); border-block: 1px solid var(--line); background: color-mix(in srgb, var(--surface) 85%, transparent); }
.story-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.3fr); gap: 8vw; }
.story-heading h2 { margin: 20px 0 0; font-size: clamp(32px,3.2vw,56px); line-height: 1.4; letter-spacing: -.025em; }
.story-copy { max-width: 44em; }
.story-copy p { font-size: 17px; line-height: 1.95; color: var(--ink-soft); margin: 0 0 20px; }
.story-copy .story-lead { font-size: 22px; color: var(--ink); line-height: 1.6; }
.story-methods { margin-top: 44px; }
.story-flow { display: block; width: 100%; height: 112px; overflow: visible; fill: none; }
.flow-track { stroke: var(--line); stroke-width: 1; }
.flow-signal { stroke: var(--accent); stroke-width: 2; stroke-dasharray: none; stroke-dashoffset: 0; }
.story-flow circle { fill: var(--accent); }
.story-flow circle:nth-of-type(2) { fill: #88AF79; }
.story-flow circle:nth-of-type(3) { fill: #79BDD0; }
.is-connected .flow-signal { animation: story-connect 1000ms cubic-bezier(.16,1,.3,1); }
@keyframes story-connect { from { clip-path: inset(-4px 100% -4px -4px); opacity: .5; } to { clip-path: inset(-4px -4px -4px -4px); opacity: 1; } }
.story-methods ol { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 48px; list-style: none; padding: 24px 0 0; margin: 0; }
.story-step { color: var(--accent-text); font-size: 13px; }
.story-methods h3 { font-size: 21px; margin: 12px 0; line-height: 1.5; }
.story-methods li p { max-width: 30em; color: var(--ink-soft); font-size: 16px; line-height: 1.8; }
.story-symbol-note { margin-top: 40px; color: var(--ink-soft); font-size: 13px; line-height: 1.8; }
.identity-terminal .hero-command { font-size: 13px; margin-bottom: 20px; }
@media (max-width: 1000px) {
 .story-layout { grid-template-columns: 1fr; gap: 32px; }
 .story-copy { max-width: 100%; }
 .services .service-accordion__summary { gap: 16px; grid-template-columns: 36px 90px minmax(0,1fr) 20px; }
 .services .service-card__icon { width: 36px; height: 36px; }
 .story-methods ol { gap: 24px; }
}
@media (max-width: 700px) {
 .hero-kicker { gap: 10px; font-size: 10px; letter-spacing: .08em; }
 .services .service-accordion__summary { grid-template-columns: 36px minmax(0,1fr) 20px; gap: 10px 14px; }
 .services .service-card__icon { grid-column: 1; grid-row: 1 / 3; align-self: start; }
 .services .service-accordion__meta { grid-column: 2; grid-row: 1; flex-direction: row; align-items: center; gap: 12px; }
 .services .service-accordion__line { grid-column: 2; grid-row: 2; font-size: 16px; }
 .services .service-accordion__chevron { grid-column: 3; grid-row: 1 / 3; }
 .brand-story { padding-block: 56px; }
 .story-copy p { font-size: 16px; }
 .story-copy .story-lead { font-size: 20px; }
 .story-methods { margin-top: 24px; }
 .story-flow { height: 60px; }
 .story-methods ol { grid-template-columns: 1fr; gap: 24px; }
 .story-methods li { border-left: 2px solid var(--line); padding-left: 20px; }
 .story-methods h3 { margin-block: 6px; font-size: 20px; }
 .story-symbol-note { margin-top: 28px; }
}
@media (prefers-reduced-motion: reduce) {
 .hero-logo, .brand-icon-stroke, .flow-signal, .service-accordion__panel-content { animation: none !important; }
}
.site-nav { display: flex; gap: clamp(20px,2.2vw,40px); margin-left: auto; margin-right: 48px; }
.site-nav a { color: var(--ink-soft); font-size: 14px; text-decoration: none; padding-block: 14px; }
.site-nav a:hover { color: var(--ink); }
.brand-method { grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); gap: 5vw; }
.brand-method li span, .brand-method li:nth-child(2) span, .brand-method li:nth-child(3) span { border-color: var(--accent); }
.story-flow circle:nth-of-type(2), .story-flow circle:nth-of-type(3) { fill: var(--accent); }
.services .service-accordion:first-child { --service-color: var(--gold); }
.hero-copy { position: relative; }
.hero-copy::before { content: ''; position: absolute; inset: -20px; z-index: -1; background: radial-gradient(ellipse, var(--bg) 42%, transparent 75%); pointer-events: none; }
.contact-terminal { text-align: left; width: min(100%,1000px); margin-inline: auto; }
.contact-terminal label { display: block; font-size: 20px; margin-bottom: 18px; }
.terminal-entry { display: flex; gap: 16px; align-items: center; padding: 12px 16px; border: 1px solid var(--line); background: var(--bg); border-radius: 4px; }
.terminal-prompt { color: var(--accent-text); white-space: nowrap; }
.terminal-entry input { color: var(--ink); font: inherit; font-size: 17px; min-width: 0; flex: 1; border: 0; background: transparent; padding-block: 12px; }
.terminal-entry input::placeholder { color: var(--ink-soft); opacity: 1; }
.terminal-entry .button-primary { border: 0; cursor: pointer; white-space: nowrap; }
.contact-tools { display: flex; align-items: center; justify-content: center; gap: 16px 24px; flex-wrap: wrap; margin-top: 28px; }
.contact-tools a, .contact-copy { font-size: 15px; color: var(--ink); }
.contact-copy { font: inherit; border: 1px solid var(--line); border-radius: 4px; background: var(--bg); min-height: 44px; padding: 8px 16px; cursor: pointer; }
.contact-tools a { padding-block: 12px; text-underline-offset: 5px; }
.contact-email-text { color: var(--ink-soft); font-size: 14px; overflow-wrap: anywhere; }
.contact-hint { min-height: 1.8em; }
.hacker-terminal-prompt { color: var(--accent-text); }
@media (max-width: 1100px) { .site-nav { display: none; } }
@media (max-width: 1000px) { .brand-method { grid-template-columns: 1fr; gap: 24px; } }
@media (max-width: 700px) {
 .terminal-entry { flex-wrap: wrap; gap: 10px; padding: 16px; }
 .terminal-entry input { flex-basis: calc(100% - 85px); font-size: 16px; }
 .terminal-entry .button-primary { width: 100%; }
 .contact-terminal label { font-size: 18px; }
 .contact-tools { gap: 8px 16px; }
 .contact-tools a { flex-basis: 100%; }
 .contact-hint { font-size: 13px; text-align: left; padding: 0; }
}
.story-flow-wrap { position: relative; }
.story-flow-wrap i { position: absolute; top: 50%; width: 10px; height: 10px; margin: -5px; border-radius: 50%; background: var(--accent); }
.story-flow-wrap i:nth-of-type(1) { left: 16.7%; }
.story-flow-wrap i:nth-of-type(2) { left: 50%; }
.story-flow-wrap i:nth-of-type(3) { left: 83.3%; }
.flow-track, .flow-signal { vector-effect: non-scaling-stroke; }
/* 鯊魚短暫游入後就位，正式母檔路徑保持不變。 */
.hero-identity { flex-direction: column; position: relative; }
.hero-logo { animation: none; }
.swim-logo { display: block; width: 100%; height: auto; overflow: visible; }
.shark-ink, .shark-wordmark path { fill: #33251F; }
:root[data-theme="dark"] .shark-ink, :root[data-theme="dark"] .shark-wordmark path { fill: #FFF; }
.shark-hat { fill: #F25417; }
.shark-swim { transform-origin: 270px 300px; }
.is-swimming .shark-swim { animation: shark-swim-in 2600ms cubic-bezier(.22,.61,.36,1) both; }
@keyframes shark-swim-in {
 0% { transform: translate(-135px,20px) rotate(-9deg); opacity: 0; }
 16% { opacity: 1; }
 30% { transform: translate(-80px,-16px) rotate(5deg); }
 52% { transform: translate(-28px,12px) rotate(-4deg); }
 72% { transform: translate(10px,-7px) rotate(2.5deg); }
 88% { transform: translate(-3px,3px) rotate(-1deg); }
 100% { transform: translate(0,0) rotate(0); opacity: 1; }
}
.swim-replay { border: 0; background: transparent; color: var(--ink-soft); cursor: pointer; font-size: 12px; padding: 12px 20px; margin-top: -34px; min-height: 44px; }
.swim-replay:hover { color: var(--accent-text); }
.contact-cmds { align-items: center; gap: 28px 48px; }
.contact-cmd { display: inline-flex; align-items: baseline; gap: 10px; background: none; border: 0; color: var(--ink); cursor: pointer; font-size: clamp(18px,2vw,30px); padding: 14px 0; line-height: 1.6; }
.contact-cmd__prompt { color: var(--accent-text); }
.terminal-command-text { display: inline-block; }
.is-typing .terminal-command-text { animation: terminal-write 1000ms steps(26,end) both; }
.is-typing .contact-cmd--link .terminal-command-text { animation-delay: 600ms; }
@keyframes terminal-write { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
.contact-hint { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: center; color: var(--ink-soft); }
.contact-hint > span { white-space: nowrap; }
body:lang(en) { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
@media (max-width:700px) {
 .swim-replay { margin-top: -14px; margin-bottom: 12px; }
 .contact-cmds { gap: 12px; align-items: flex-start; }
 .contact-cmd { font-size: clamp(14px,3.8vw,19px); gap: 7px; }
 .contact-hint { justify-content: flex-start; font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
 .is-swimming .shark-swim, .is-typing .terminal-command-text { animation: none !important; }
 .swim-replay { display: none; }
}

/* 佐波：直接呈現 1254 px 透明原圖，以網格變形驅動尾擺。舞台涵蓋整個首屏。 */
.brand-hero { position: relative; isolation: isolate; }
.hero-logo { position: relative; }
.mascot-stage { position: absolute; inset: 0; pointer-events: none; overflow: clip; z-index: 4; }
.mascot-runner { position: absolute; width: clamp(210px,22vw,360px); aspect-ratio: 1; left: 0; top: 0; opacity: 0; will-change: transform; }
.zopo-swimmer { display: block; width: 100%; height: 100%; }
.is-swimming .shark-swim { animation: zopo-to-crest 7800ms ease both; }
@keyframes zopo-to-crest {
 0%,87% { opacity: 0; transform: scale(.94); }
 98%,100% { opacity: 1; transform: scale(1); }
}
.story-mascot { margin-top: 40px; display: flex; align-items: center; gap: 32px; max-width: 920px; }
.story-mascot img { width: 192px; height: 192px; flex-shrink: 0; object-fit: contain; }
.story-mascot h3 { font-size: 22px; margin-bottom: 12px; }
.story-mascot p { color: var(--ink-soft); line-height: 1.9; font-size: 16px; }
@media(max-width:700px) {
 .mascot-runner { width: 176px; }
 .story-mascot { gap: 12px; align-items: flex-start; }
 .story-mascot img { width: 104px; height: auto; }
 .story-mascot h3 { font-size: 20px; }
 .story-mascot p { font-size: 15px; }
}
@media(prefers-reduced-motion:reduce) {
 .mascot-stage { display: none; }
 .is-swimming .shark-swim { animation: none !important; opacity: 1; transform: none; }
}

/* 聯絡區保持終端機兩行的連續感，縮減重複的垂直留白。 */
.contact { padding: 48px var(--page-gutter); }
.contact .section-head { margin-bottom: 18px; padding-inline: 0; }
.contact .section-eyebrow { margin-bottom: 8px; }
.contact .section-title { margin-bottom: 0; }
.contact .contact-cmds { width: max-content; max-width: 100%; padding: 0; gap: 4px; align-items: flex-start; }
.contact .contact-cmd { min-height: 44px; padding: 4px 0; line-height: 1.4; }
.contact .contact-hint { margin-top: 12px; margin-bottom: 0; padding: 0; gap: 4px 18px; }
.contact .contact-note { margin-top: 16px; margin-bottom: 0; padding: 0; }
.site-footer { padding-block: 8px; }
.footer-logo { width: 132px; }
@media(max-width:700px) {
 .contact { padding-block: 36px; }
 .contact .section-head { margin-bottom: 16px; }
 .contact .contact-cmds { width: 100%; }
 .contact .contact-hint { margin-top: 8px; }
 .footer-logo { width: 120px; margin-left: -16px; }
 .site-footer__line { gap: 4px 12px; }
}
/* 正式橫式品牌圖記與聯絡区合併頁尾。 */
.nav-logo { width: 240px; }
.nav-logo img { width: 100%; height: auto; }
.contact { padding-bottom: 24px; }
.contact .site-footer { padding: 0; margin-top: 28px; }
.contact .site-footer__line { justify-content: center; flex-wrap: wrap; gap: 12px 28px; padding: 0; font-size: 12px; color: var(--ink-soft); }
.contact .site-footer p { margin: 0; }
.contact .site-footer p span { margin-left: 12px; }
.contact .site-footer a { margin: 0; padding: 6px 0; }
@media(max-width:700px) {
 .header-inner { gap: 8px; }
 .nav-logo { width: clamp(136px,36vw,190px); }
 .nav-logo img { height: auto; }
 .header-actions { gap: 4px; }
 .lang-switch { gap: 0; }
 .lang-switch__link { min-width: 32px; }
 .contact .site-footer { margin-top: 24px; }
 .contact .site-footer__line { gap: 4px 16px; }
}

/* 賽博龐克揭幕：解碼疊層保留原文尺寸與斷行，動畫只播一次。 */
#hero-name, .hero-kicker, .hero-domains, .section-title { position: relative; }
.cyber-decoding { position: relative; }
.cyber-decoding, .cyber-decoding > :not(.cyber-text-layer) { color: transparent !important; }
.cyber-text-layer { position: absolute; inset: 0; pointer-events: none; visibility: visible; font: inherit; letter-spacing: inherit; }
.cyber-text-layer .cyber-glyph { display: block; position: absolute; padding: 0; margin: 0; font: inherit; letter-spacing: inherit; white-space: pre; text-align: center; color: var(--ink); }
.cyber-text-layer .is-scrambling { color: var(--accent-text); text-shadow: 1px 0 var(--accent), -1px 0 #79BDD0; }
.cyber-logo-outline { opacity: 0; pointer-events: none; }
.cyber-logo-outline path { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-dasharray: 1; stroke-dashoffset: 1; }
.cyber-logo-scan { position: absolute; left: 15%; right: 15%; top: 12%; height: 2px; opacity: 0; pointer-events: none; background: linear-gradient(90deg,transparent,var(--accent),#79BDD0,transparent); box-shadow: 0 0 12px var(--accent); }
.cyber-enter .swim-logo { animation: cyber-signal-lock 1600ms ease both; }
.cyber-enter .shark-swim { animation: cyber-logo-fill 1500ms ease both; }
.cyber-enter .shark-wordmark { animation: cyber-wordmark 1500ms ease both; }
.cyber-enter .cyber-logo-outline { animation: cyber-outline-fade 1600ms ease both; }
.cyber-enter .cyber-logo-outline path { animation: cyber-outline-draw 1200ms cubic-bezier(.2,.7,.3,1) both; }
.cyber-enter .cyber-logo-scan { animation: cyber-scan-pass 1400ms ease both; }
@keyframes cyber-outline-draw { to { stroke-dashoffset: 0; } }
@keyframes cyber-outline-fade { 0%,65% {opacity:1} 100% {opacity:0} }
@keyframes cyber-logo-fill { 0%,24% {opacity:.08} 72%,100% {opacity:1} }
@keyframes cyber-wordmark { 0%,18% {opacity:.1} 60%,100% {opacity:1} }
@keyframes cyber-scan-pass { 0% {top:12%;opacity:0} 14% {opacity:.9} 85% {opacity:.6} 100% {top:86%;opacity:0} }
@keyframes cyber-signal-lock {
 0%,24% {transform:translateX(0);filter:none}
 27% {transform:translateX(-3px);filter:drop-shadow(5px 0 #79BDD0)}
 32%,53% {transform:translateX(0);filter:none}
 56% {transform:translateX(2px);filter:drop-shadow(-4px 0 #F25417)}
 63%,100% {transform:translateX(0);filter:none}
}
@media(prefers-reduced-motion:reduce) {
 .cyber-text-layer,.cyber-logo-outline,.cyber-logo-scan {display:none!important}
 .cyber-decoding, .cyber-decoding > :not(.cyber-text-layer) {color:var(--ink)!important}
 .cyber-enter .swim-logo,.cyber-enter .shark-swim,.cyber-enter .shark-wordmark {animation:none!important;opacity:1;transform:none;filter:none}
}

/* 互動延伸同一套「描線、連結、成形」語彙。 */
.service-accordion__summary { position: relative; }
.service-accordion__summary::after { content: ''; position: absolute; left: 18px; right: 18px; bottom: 0; height: 1px; background: linear-gradient(90deg,var(--service-color,var(--accent)),transparent 85%); opacity: 0; transform: scaleX(0); transform-origin: left; pointer-events: none; }
.service-accordion__summary.motion-arrived::after { animation: row-signal 800ms ease-out both; }
.services .motion-arrived .brand-icon-stroke { animation: brand-draw 650ms cubic-bezier(.16,1,.3,1) both; }
.service-accordion[open] .service-accordion__summary::after { opacity: .7; transform: scaleX(1); animation: none; }
.service-accordion__chevron { transition: transform 260ms cubic-bezier(.2,.7,.3,1); }
.is-connected .story-flow-wrap i { animation: node-connect 520ms ease both; }
.is-connected .story-flow-wrap i:nth-of-type(2) { animation-delay: 350ms; }
.is-connected .story-flow-wrap i:nth-of-type(3) { animation-delay: 700ms; }
.site-nav a { position: relative; }
.site-nav a::after { content:''; position:absolute; left:0; right:0; bottom:8px; height:1px; background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform 220ms ease; }
.site-nav a:hover::after,.site-nav a:focus-visible::after { transform:scaleX(1); }
.button-primary > span,.button-text > span { display:inline-block; transition:transform 220ms cubic-bezier(.2,.7,.3,1); }
.button-primary:is(:hover,:focus-visible) > span { transform:translate(3px,-3px); }
.button-text:is(:hover,:focus-visible) > span { transform:translateY(4px); }
.contact-cmd__prompt { transition:color 180ms ease,text-shadow 180ms ease; }
.contact-cmd:is(:hover,:focus-visible) .contact-cmd__prompt { color:var(--accent);text-shadow:0 0 9px color-mix(in srgb,var(--accent) 55%,transparent); }
.nav-logo { position:relative;overflow:hidden; }
.nav-logo::after { content:'';position:absolute;top:10%;bottom:10%;left:-20%;width:8%;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 35%,transparent),transparent);transform:skewX(-16deg);opacity:0;pointer-events:none; }
@media(hover:hover) and (pointer:fine) {
 .brand:hover .nav-logo::after { animation:nav-brand-scan 650ms ease-out both; }
}
@keyframes row-signal { 0% {opacity:0;transform:scaleX(0)} 35% {opacity:.65} 100% {opacity:0;transform:scaleX(1)} }
@keyframes node-connect { 0% {transform:scale(.55);opacity:.3;box-shadow:0 0 0 0 transparent} 65% {transform:scale(1.15);opacity:1;box-shadow:0 0 0 8px color-mix(in srgb,var(--accent) 10%,transparent)} 100% {transform:scale(1);opacity:1;box-shadow:0 0 0 12px transparent} }
@keyframes nav-brand-scan { 0% {left:-20%;opacity:0} 20% {opacity:1} 100% {left:115%;opacity:0} }
@media(prefers-reduced-motion:reduce) {
 .service-accordion__summary::after,.nav-logo::after {display:none}
 .button-primary > span,.button-text > span,.service-accordion__chevron,.contact-cmd__prompt,.site-nav a::after {transition:none!important}
 .button-primary:is(:hover,:focus-visible) > span,.button-text:is(:hover,:focus-visible) > span {transform:none}
}
/* JS 高度動畫接手時，避免和原生 grid 過渡互相疊加。 */
[data-motion-panel] > .service-accordion__panel { transition: none; }

/* 輔助色只做圖形提示；小字使用中性色維持對比，不另調深品牌色。 */
.section-eyebrow,.story-step,.service-card__index,.record-acc__ctx,.identity-group__label,.terminal-user,.lang-switch__link.is-active { color: var(--ink-soft); }
.lang-switch__link.is-active { box-shadow: inset 0 -2px var(--accent); }

.contact-cmd__prompt,.cyber-text-layer .is-scrambling { color: var(--accent); }

/* 指令輸入完成後呈現結果。opacity 保留區塊高度，跳轉位置不會跳動。 */
.section-command { display:flex;align-items:baseline;gap:6px;margin:0 0 18px;padding:0;font-size:12px;line-height:1.7;color:var(--ink-soft);white-space:nowrap; }
.section-command .terminal-user { color:var(--ink-soft); }
.section-command .hacker-terminal-prompt { color:var(--ink-soft); }
.section-command .hacker-typewriter { color:var(--ink); }
.section-command .hacker-cursor { margin-left:0;font-size:12px;opacity:0;animation:none; }
.section-command:is(.is-typing-command,.is-running-command) .hacker-cursor { animation:hacker-blink 700ms steps(1,end) infinite; }
.section-command.is-typed .hacker-cursor { animation:none;opacity:0; }
.terminal-output { transition:opacity 160ms ease; }
.terminal-pending .terminal-output { opacity:0!important;pointer-events:none; }
html[data-terminal-boot="pending"] [data-terminal-section] [data-terminal-output] { opacity:0!important;pointer-events:none; }
.contact .section-command { justify-content:center; }
.story-heading .section-command { margin-bottom:20px; }
@media(max-width:700px) { .section-command { font-size:11px;gap:4px; } }
@media(prefers-reduced-motion:reduce) { .terminal-output { transition:none; } .terminal-pending .terminal-output {opacity:1!important;pointer-events:auto;} }

/* 正式單行副標 SVG：三語維持母檔比例，不拆成 HTML 行。 */
:root, :root[data-theme] { --header-h:120px; }
.nav-logo { width:300px; }
@media(max-width:700px) {
 :root, :root[data-theme] { --header-h:144px; }
 .header-inner { display:grid;grid-template-columns:1fr;gap:0;padding-block:4px; }
 .brand { justify-self:center; }
 .nav-logo { width:min(288px,calc(100vw - 32px)); }
 .nav-logo img { margin-top:-16px; }
 .header-actions { justify-self:end;margin-top:0; }
 .hero-logo { width:min(280px,100%); }
}