/* 01-tokens.css */
@font-face { font-family: "Geist"; src: url("/assets/fonts/Geist-normal.woff2?v=19f9c92546") format("woff2"); font-weight: 300 700; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("/assets/fonts/GeistMono-normal.woff2?v=684ad5b531") format("woff2"); font-weight: 400 500; font-display: swap; }
/* 中文：只含本站用到的字（scripts/fonts.py 產生），可變字重 */
@font-face { font-family: "Noto TC"; src: url("/assets/fonts/NotoSansTC-sub.woff2?v=eaebcd48eb") format("woff2"); font-weight: 400 700; font-display: swap; unicode-range: U+2E80-9FFF, U+F900-FAFF, U+FF00-FFEF, U+3000-303F, U+2014, U+2018-201D, U+2026, U+00B7, U+2027; }

:root {
  /* 夜空 */
  --night: #050a14;
  --night-2: #081120;
  --night-3: #0d1a2e;
  --on-dark: #e9eff6;
  --on-dark-2: #9aabbe;
  --on-dark-3: #7d8ea3;
  --line-dark: rgba(214, 228, 245, 0.1);
  --line-dark-2: rgba(214, 228, 245, 0.18);

  /* 紙 */
  --paper: #f2f4f6;
  --paper-2: #e6eaee;
  --card: #ffffff;
  --ink: #08121f;
  --ink-2: #435267;
  --ink-3: #5a6878;
  --line-light: rgba(8, 18, 31, 0.1);
  --line-light-2: rgba(8, 18, 31, 0.18);

  /* 訊號與品牌 */
  --signal: #3ee6d3;
  --signal-deep: #08807c;
  --brand-teal: #19b3b0;
  --brand-blue: #3a64a8;
  --amber: #f6a623;
  --red: #ff5f5f;

  --f-sans: "Geist", "Noto TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  

  --fs-hero: clamp(2.9rem, 1.1rem + 7.2vw, 8.6rem);
  --fs-display: clamp(2.4rem, 1rem + 5vw, 6rem);
  --fs-h2: clamp(2rem, 1.05rem + 3.4vw, 4.4rem);
  --fs-h3: clamp(1.3rem, 1.05rem + 0.8vw, 1.85rem);
  --fs-lead: clamp(1.05rem, 0.95rem + 0.4vw, 1.3rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-mono: 0.75rem;

  --gutter: clamp(1.25rem, 0.6rem + 3.2vw, 4rem);
  --wrap: 1480px;
  --space-s: clamp(1rem, 0.8rem + 1vw, 1.75rem);
  --space-m: clamp(2rem, 1.4rem + 2.6vw, 4rem);
  --space-l: clamp(4.5rem, 2.8rem + 7vw, 10rem);
  --r-sheet: clamp(1.5rem, 1rem + 2vw, 2.75rem);
  --r-card: 1.1rem;
  --r-screen: 0.9rem;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-io: cubic-bezier(0.65, 0, 0.35, 1);
  --hdr-h: 4.5rem;
}

/* 中文排版：大標稍收、行高放寬 */
:root:lang(zh) {
  --fs-hero: clamp(2.6rem, 1rem + 6vw, 7.2rem);
  --fs-display: clamp(2.2rem, 1rem + 4.4vw, 5.4rem);
  --fs-h2: clamp(1.9rem, 1rem + 3vw, 4rem);
}

/* 02-base.css */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--hdr-h) + 1rem); }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  margin: 0;
  background: var(--night);
  color: var(--on-dark);
  font-family: var(--f-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}
:lang(zh) body { line-height: 1.75; letter-spacing: 0.02em; }
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--signal); color: var(--night); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 200; padding: 0.75rem 1rem; background: var(--signal); color: var(--night); border-radius: 0.5rem; font-weight: 600; transition: top 0.2s; }
.skip:focus { top: 1rem; }
.mono { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.06em; text-transform: uppercase; font-feature-settings: "zero"; }
.center { display: flex; justify-content: center; margin-top: var(--space-m); }
/* 英文頁上的「中文」切換字樣用系統字，避免為兩個字下載整份中文字型 */
:root:lang(en) [lang="zh-Hant"] { font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", system-ui, sans-serif; }

/* 03-layout.css */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

main > section { position: relative; }
[data-theme="dark"] { background: var(--night); color: var(--on-dark); }
[data-theme="light"] { background: var(--paper); color: var(--ink); }

/* 明暗交界：後一段以圓角「紙張」疊上前一段 */
[data-theme="dark"] + [data-theme="light"],
[data-theme="light"] + [data-theme="dark"] {
  border-radius: var(--r-sheet) var(--r-sheet) 0 0;
  margin-top: calc(var(--r-sheet) * -1);
  z-index: 1;
}
main > section + section { z-index: 1; }

/* 區段標頭 */
.sh { display: grid; gap: 1.25rem; margin-bottom: var(--space-m); max-width: 64rem; }
.sh--split { max-width: none; grid-template-columns: minmax(0, 1.8fr) minmax(0, 1fr); column-gap: var(--space-m); align-items: end; }
.sh--split .kicker { grid-column: 1 / -1; }
.sh__title { font-size: var(--fs-h2); line-height: 1.04; letter-spacing: -0.035em; font-weight: 600; text-wrap: balance; }
:lang(zh) .sh__title { line-height: 1.18; letter-spacing: -0.01em; font-weight: 700; }
.sh__lead { font-size: var(--fs-lead); line-height: 1.6; color: var(--ink-2); max-width: 40rem; text-wrap: pretty; }
[data-theme="dark"] .sh__lead { color: var(--on-dark-2); }

.kicker {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--signal-deep);
}
[data-theme="dark"] .kicker { color: var(--signal); }
.kicker::before { content: ""; width: 1.5rem; height: 1px; background: currentColor; opacity: 0.7; }
.kicker--live::before { display: none; }

@media (max-width: 860px) {
  .sh--split { grid-template-columns: 1fr; }
}

/* 04-components.css */
/* ───────── 頁首 ───────── */
.hdr { position: fixed; inset: 0 0 auto; z-index: 100; color: var(--on-dark); transition: transform 0.6s var(--ease), color 0.4s; }
.hdr__in {
  display: flex; align-items: center; gap: 2rem; height: var(--hdr-h);
  max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter);
}
.hdr::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: color-mix(in srgb, var(--night) 72%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line-dark);
  opacity: 0; transition: opacity 0.4s, background 0.4s;
}
.hdr.is-scrolled::before { opacity: 1; }
.hdr.is-hidden { transform: translateY(-100%); }
.hdr[data-on="light"] { color: var(--ink); }
.hdr[data-on="light"]::before { background: color-mix(in srgb, var(--paper) 78%, transparent); border-bottom-color: var(--line-light); }
.menu-open .hdr { color: var(--on-dark); transform: none; }
.menu-open .hdr::before { opacity: 0; }

.brand { display: inline-flex; align-items: center; gap: 0.7rem; font-weight: 600; letter-spacing: -0.01em; flex-shrink: 0; }
.brand__mark { width: 2.1rem; height: auto; transition: transform 0.8s var(--ease); }
.brand:hover .brand__mark { transform: rotate(180deg); }
.brand__name { font-size: 1.12rem; display: inline-flex; align-items: baseline; gap: 0.5rem; }
.brand__zh { font-size: 0.8rem; font-weight: 500; opacity: 0.6; letter-spacing: 0.12em; }
.brand--lg .brand__mark { width: 3rem; }
.brand--lg .brand__name { font-size: 1.5rem; }

.nav { margin-inline: auto; }
.nav__list { display: flex; gap: 0.25rem; }
.nav__link { position: relative; display: block; padding: 0.5rem 0.9rem; font-size: 0.94rem; opacity: 0.78; transition: opacity 0.3s; }
.nav__link::after { content: ""; position: absolute; left: 0.9rem; right: 0.9rem; bottom: 0.2rem; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform 0.5s var(--ease); }
.nav__link:hover, .nav__link.is-active { opacity: 1; }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }

.hdr__end { display: flex; align-items: center; gap: 0.75rem; }
.lang { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: 0.08em; padding: 0.45rem 0.7rem; border: 1px solid currentColor; border-radius: 99px; opacity: 0.7; transition: opacity 0.3s; }
:root:lang(en) .lang { font-size: 0.85rem; letter-spacing: 0.1em; }
.lang:hover { opacity: 1; }

.burger { display: none; width: 2.75rem; height: 2.75rem; position: relative; border-radius: 50%; }
.burger span:not(.sr) { position: absolute; left: 0.8rem; right: 0.8rem; height: 1.5px; background: currentColor; transition: transform 0.5s var(--ease), top 0.5s var(--ease); }
.burger span:nth-child(1) { top: 1.15rem; }
.burger span:nth-child(2) { top: 1.6rem; }
.burger[aria-expanded="true"] span:nth-child(1) { top: 1.36rem; transform: rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { top: 1.36rem; transform: rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: -1; background: var(--night);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--hdr-h) + 2rem) var(--gutter) 2rem;
  clip-path: circle(0% at calc(100% - 2.5rem) 2.25rem);
  transition: clip-path 0.8s var(--ease-io);
}
.menu.is-open { clip-path: circle(150% at calc(100% - 2.5rem) 2.25rem); }
.menu__list a { display: flex; align-items: baseline; gap: 1rem; padding: 0.6rem 0; font-size: clamp(2rem, 9vw, 3.4rem); font-weight: 600; letter-spacing: -0.02em; border-bottom: 1px solid var(--line-dark); opacity: 0; transform: translateY(1.5rem); transition: opacity 0.6s var(--ease), transform 0.8s var(--ease); transition-delay: calc(0.15s + var(--i) * 0.05s); }
.menu.is-open .menu__list a { opacity: 1; transform: none; }
.menu__n { font-family: var(--f-mono); font-size: 0.75rem; color: var(--signal); font-weight: 400; }
.menu__foot { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; font-family: var(--f-mono); font-size: 0.8rem; color: var(--on-dark-2); }

@media (max-width: 420px) { .brand__zh { display: none; } }
@media (max-width: 960px) {
  .nav, .hdr .hdr__cta { display: none; }
  .burger { display: block; }
  .hdr__end { margin-left: auto; }
}

/* ───────── 按鈕 ───────── */
.btn {
  --bg: var(--signal); --fg: var(--night);
  position: relative; display: inline-flex; align-items: center; gap: 0.75rem;
  height: 3.4rem; padding: 0 0.5rem 0 1.5rem; border-radius: 99px;
  background: var(--bg); color: var(--fg); font-weight: 600; font-size: 0.98rem; letter-spacing: 0;
  overflow: hidden; isolation: isolate; white-space: nowrap;
  transition: color 0.45s var(--ease), box-shadow 0.45s var(--ease);
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  background: var(--on-dark); transform: translateY(101%); transition: transform 0.55s var(--ease);
}
.btn:hover::before { transform: translateY(0); }
.btn__icon { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; border-radius: 50%; background: var(--fg); color: var(--bg); transition: transform 0.55s var(--ease); }
.btn__icon .ico { width: 1.05rem; height: 1.05rem; }
.btn:hover .btn__icon { transform: rotate(-45deg); }
.btn--primary:hover { box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal) 22%, transparent); }
.btn--ghost { --bg: transparent; --fg: currentColor; border: 1px solid var(--line-dark-2); }
.btn--ghost .btn__icon { background: color-mix(in srgb, currentColor 12%, transparent); color: inherit; }
.btn--ghost::before { background: color-mix(in srgb, var(--on-dark) 10%, transparent); }
[data-theme="light"] .btn--ghost { border-color: var(--line-light-2); }
.btn--line { --bg: transparent; --fg: currentColor; border: 1px solid currentColor; }
.btn--line .btn__icon { background: var(--ink); color: var(--paper); }
[data-theme="dark"] .btn--line .btn__icon { background: var(--on-dark); color: var(--night); }
.btn--line::before { background: currentColor; opacity: 0.08; }
.btn--sm { height: 2.5rem; padding: 0 1.1rem; font-size: 0.88rem; }
[data-theme="light"] .btn--primary, .hdr[data-on="light"] .btn--primary { --bg: var(--ink); --fg: var(--paper); }
[data-theme="light"] .btn--primary::before, .hdr[data-on="light"] .btn--primary::before { background: var(--signal-deep); }
[data-theme="light"] .btn--primary:hover { box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal-deep) 18%, transparent); }

.link-arrow { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 500; border-bottom: 1px solid currentColor; padding-bottom: 0.2rem; }
.link-arrow .ico { width: 1rem; height: 1rem; transition: transform 0.4s var(--ease); }
.link-arrow:hover .ico { transform: translateX(4px); }

.ico { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.ico--xs { width: 0.8rem; height: 0.8rem; opacity: 0.6; }
.ico--up { transform: rotate(-90deg); width: 0.9rem; height: 0.9rem; }

.pulse { position: relative; display: inline-block; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--signal); }
.pulse::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: inherit; animation: ping 2.2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: 0.7; } 80%, 100% { transform: scale(3.4); opacity: 0; } }

.badge {
  display: inline-flex; align-items: center; gap: 0.6rem; width: fit-content;
  padding: 0.45rem 0.9rem 0.45rem 0.75rem; border-radius: 99px;
  font-size: 0.85rem; font-weight: 500;
  background: color-mix(in srgb, var(--signal) 14%, transparent); color: var(--signal);
  border: 1px solid color-mix(in srgb, var(--signal) 32%, transparent);
}
.badge::before { content: ""; width: 0.4rem; height: 0.4rem; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
[data-theme="light"] .badge { color: var(--signal-deep); background: color-mix(in srgb, var(--signal-deep) 9%, transparent); border-color: color-mix(in srgb, var(--signal-deep) 26%, transparent); }

/* ───────── 平台實錄外框 ───────── */
.screen {
  position: relative; border-radius: var(--r-screen); overflow: hidden;
  background: #fff; border: 1px solid var(--line-light);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, 0 40px 80px -30px rgba(8, 18, 31, 0.35), 0 12px 24px -12px rgba(8, 18, 31, 0.18);
}
[data-theme="dark"] .screen { border-color: rgba(255,255,255,0.12); box-shadow: 0 50px 100px -30px rgba(0,0,0,0.7), 0 0 0 1px rgba(62,230,211,0.06); }
.screen__bar { display: flex; align-items: center; gap: 0.35rem; height: 2rem; padding: 0 0.85rem; background: #eef1f4; border-bottom: 1px solid #dde3e9; }
.screen__bar i { width: 0.55rem; height: 0.55rem; border-radius: 50%; background: #cfd6de; }
.screen__bar span { margin-inline: auto; transform: translateX(-1rem); font-family: var(--f-mono); font-size: 0.68rem; color: #7b8898; letter-spacing: 0.02em; padding: 0.15rem 0.9rem; background: #fff; border-radius: 99px; }
.screen__view { aspect-ratio: 16 / 10; background: #f4f6f8; }
.screen__view video { width: 100%; height: 100%; object-fit: cover; }

.vtoggle { position: absolute; right: 0.55rem; top: 50%; transform: translateY(-50%); width: 1.4rem; height: 1.4rem; border-radius: 50%; display: grid; grid-auto-flow: column; place-content: center; gap: 2px; color: #7b8898; opacity: 0.6; transition: opacity 0.3s, background 0.3s; }
.vtoggle i { width: 2px; height: 0.5rem; background: currentColor; border-radius: 1px; }
.vtoggle:hover, .vtoggle:focus-visible { opacity: 1; background: #dfe5eb; }
.vtoggle[aria-pressed="true"] i:first-child { width: 0; height: 0; background: none; border-left: 0.42rem solid currentColor; border-top: 0.26rem solid transparent; border-bottom: 0.26rem solid transparent; border-radius: 0; margin-left: 2px; }
.vtoggle[aria-pressed="true"] i:last-child { display: none; }
.screen__bar { position: relative; }

/* ───────── 小卡、清單 ───────── */
.tile { position: relative; padding: 1.75rem; border-radius: var(--r-card); background: var(--card); border: 1px solid var(--line-light); display: grid; gap: 0.6rem; align-content: start; transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease), border-color 0.4s; }
.tile:hover { transform: translateY(-4px); box-shadow: 0 30px 60px -30px rgba(8,18,31,0.25); border-color: var(--line-light-2); }
.tile__ico { display: grid; place-items: center; width: 3rem; height: 3rem; border-radius: 0.85rem; background: var(--night); color: var(--signal); margin-bottom: 0.75rem; }
.tile__ico .ico { width: 1.4rem; height: 1.4rem; }
.tile__name { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
.tile__text { color: var(--ink-2); font-size: 0.97rem; }

.more { display: grid; gap: 0; }
.more li { display: grid; gap: 0.25rem; padding: 1.1rem 0; border-top: 1px solid var(--line-dark); }
.more li:last-child { border-bottom: 1px solid var(--line-dark); }
.more strong { font-size: 1.15rem; font-weight: 600; }
.more span { color: var(--on-dark-2); font-size: 0.95rem; }
.more--grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.more--grid li { padding: 1.75rem; border: 1px solid var(--line-light); border-radius: var(--r-card); background: var(--card); min-height: 11rem; align-content: space-between; }
.more--grid li:last-child { border-bottom: 1px solid var(--line-light); }
.more--grid span { color: var(--ink-2); }
@media (max-width: 960px) { .more--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .more--grid { grid-template-columns: 1fr; } .more--grid li { min-height: 0; } }

.clist { display: grid; gap: 0; }
.clist li { display: flex; gap: 1rem; padding: 1.1rem 0; border-top: 1px solid var(--line-light); }
.clist li:last-child { border-bottom: 1px solid var(--line-light); }
.clist .ico { margin-top: 0.2rem; color: var(--signal-deep); }
.clist div { display: grid; gap: 0.1rem; }
.clist__k { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.clist a { font-weight: 500; transition: color 0.3s; }
.clist a:hover { color: var(--signal-deep); }

.toc { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2.5rem; }
.toc a { display: inline-flex; gap: 0.6rem; padding: 0.6rem 1rem; border: 1px solid var(--line-dark-2); border-radius: 99px; color: var(--on-dark-2); transition: color 0.3s, border-color 0.3s, background 0.3s; }
.toc a span { color: var(--signal); }
.toc a:hover { color: var(--on-dark); border-color: var(--signal); background: color-mix(in srgb, var(--signal) 8%, transparent); }

/* ───────── 頁尾 ───────── */
.ftr { position: relative; z-index: 1; padding-top: var(--space-l); overflow: hidden; border-top: 1px solid var(--line-dark); }
.ftr__top { display: grid; grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr)); gap: var(--space-m); }
.ftr__mission { margin-top: 1.25rem; max-width: 26rem; color: var(--on-dark-2); }
.ftr__made { margin-top: 1rem; font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--signal); }
.ftr__h { font-family: var(--f-mono); font-size: var(--fs-mono); font-weight: 400; letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-dark-3); margin-bottom: 1.25rem; }
.ftr__col ul { display: grid; gap: 0.6rem; }
.ftr__col a { display: inline-flex; align-items: center; gap: 0.4rem; color: var(--on-dark-2); transition: color 0.3s; }
.ftr__col a:hover { color: var(--on-dark); }
.ftr__muted { color: var(--on-dark-3); font-size: 0.9rem; }
.ftr__word {
  margin-top: var(--space-l); line-height: 0.8; text-align: center; user-select: none;
  font-size: clamp(5rem, 22vw, 24rem); font-weight: 700; letter-spacing: -0.06em;
  color: transparent;
  background: linear-gradient(180deg, rgba(62,230,211,0.22) 0%, rgba(58,100,168,0.1) 45%, transparent 80%); -webkit-background-clip: text; background-clip: text;
  transform: translateY(12%);
}
.ftr__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.5rem 2rem; border-top: 1px solid var(--line-dark); color: var(--on-dark-3); font-size: 0.85rem; position: relative; background: var(--night); }
.ftr__coord { color: var(--on-dark-3); }
.ftr__top-btn { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--on-dark-2); transition: color 0.3s; }
.ftr__top-btn:hover { color: var(--signal); }
@media (max-width: 960px) { .ftr__top { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ftr__brand { grid-column: 1 / -1; } }
@media (max-width: 520px) { .ftr__top { grid-template-columns: 1fr; } .ftr__coord { display: none; } }

/* ───────── 換頁幕 ───────── */
.veil { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--night); pointer-events: none; opacity: 0; transition: opacity 0.45s var(--ease); }
.veil__mark { width: 4rem; opacity: 0; transform: scale(0.85) rotate(-90deg); transition: transform 0.7s var(--ease), opacity 0.4s; }
.is-leaving .veil { opacity: 1; pointer-events: all; }
.is-leaving .veil__mark { opacity: 1; transform: none; }

/* 10-hero.css */
/* ───────── 首頁開場：釘住的星圖敘事 ───────── */
.hero { height: 560vh; background: var(--night); }
.hero__pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.hero__sky { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__veil {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 80% at 0% 50%, rgba(5, 10, 20, 0.92) 0%, rgba(5, 10, 20, 0.55) 38%, transparent 66%),
    linear-gradient(0deg, rgba(5, 10, 20, 0.9) 0%, transparent 28%);
  transition: opacity 0.6s;
}
.hero__intro { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 1.6rem; padding-top: var(--hdr-h); will-change: opacity, transform; }
.hero__title { font-size: var(--fs-hero); line-height: 0.93; letter-spacing: -0.055em; font-weight: 600; max-width: 12ch; }
:lang(zh) .hero__title { line-height: 1.08; letter-spacing: -0.02em; font-weight: 700; max-width: none; }
.hero__title .ln:last-child .ln__i {
  background: linear-gradient(100deg, var(--signal) 0%, #9ff5ea 45%, var(--on-dark) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  padding-right: 0.06em;
}
.hero__lead { max-width: 36rem; font-size: var(--fs-lead); color: var(--on-dark-2); text-wrap: pretty; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; }

.hero__story { position: absolute; left: 0; right: 0; bottom: clamp(6rem, 14vh, 9rem); max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); pointer-events: none; }
.story { position: absolute; left: var(--gutter); bottom: 0; max-width: min(38rem, calc(100% - var(--gutter) * 2)); display: grid; gap: 0.9rem; opacity: 0; transform: translateY(1.5rem); transition: opacity 0.7s var(--ease), transform 0.9s var(--ease); }
.story.is-on { opacity: 1; transform: none; }
.story__k { color: var(--signal); }
.story__t { font-size: clamp(1.5rem, 0.95rem + 2.1vw, 2.9rem); line-height: 1.18; letter-spacing: -0.025em; font-weight: 500; text-wrap: balance; }
:lang(zh) .story__t { line-height: 1.4; letter-spacing: 0; }

.hero__hud { position: absolute; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 1.5rem; max-width: var(--wrap); margin-inline: auto; padding: 1.4rem var(--gutter); color: var(--on-dark-3); }
.hud__status { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--on-dark-2); }
.hud__status .pulse { width: 0.4rem; height: 0.4rem; }
.hud__bar { margin-left: auto; width: clamp(6rem, 18vw, 16rem); height: 1px; background: var(--line-dark-2); overflow: hidden; }
.hud__bar i { display: block; height: 100%; width: 100%; background: var(--signal); transform-origin: left; transform: scaleX(0); }
.hero__motion { position: absolute; right: var(--gutter); top: calc(var(--hdr-h) + 1rem); display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.7rem; border: 1px solid var(--line-dark-2); border-radius: 99px; color: var(--on-dark-2); opacity: 0.7; transition: opacity 0.3s, border-color 0.3s; z-index: 2; }
.hero__motion:hover, .hero__motion:focus-visible { opacity: 1; border-color: var(--signal); }
.hero__motion i { width: 0.5rem; height: 0.55rem; border-left: 2px solid currentColor; border-right: 2px solid currentColor; }
.hero__motion[aria-pressed="true"] i { border-right: 0; border-left: 0.5rem solid currentColor; border-top: 0.28rem solid transparent; border-bottom: 0.28rem solid transparent; height: 0; width: 0; }
.rm .hero__motion, html:not(.js) .hero__motion { display: none; }
.hero__scroll { position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%); display: grid; justify-items: center; gap: 0.6rem; color: var(--on-dark-3); transition: opacity 0.5s; }
.hero__scroll i { width: 1px; height: 2.6rem; background: linear-gradient(var(--signal), transparent); animation: drip 2.4s var(--ease) infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }
.hero.is-scrolled .hero__scroll { opacity: 0; }

@media (max-width: 760px) {
  .hero { height: 480vh; }
  .hero__veil { background: linear-gradient(0deg, rgba(5,10,20,0.95) 0%, rgba(5,10,20,0.4) 45%, rgba(5,10,20,0.25) 100%); }
  .hero__intro { justify-content: flex-end; padding-bottom: 6.5rem; gap: 1.2rem; }
  .hero__lead { font-size: 1rem; }
  .hero__hud .hud__coord { display: none; }
  .hero__scroll { display: none; }
  .hero__story { bottom: 5.5rem; }
}

/* 減少動態或無 JS：不釘住，敘事改為一般段落 */
.rm .hero, html:not(.js) .hero { height: auto; }
.rm .hero__pin, html:not(.js) .hero__pin { position: relative; height: auto; min-height: 100svh; }
.rm .hero__intro, html:not(.js) .hero__intro { position: relative; min-height: 100svh; }
.rm .hero__story, html:not(.js) .hero__story { position: relative; bottom: auto; display: grid; gap: 2.5rem; padding-block: 2rem 6rem; }
.rm .story, html:not(.js) .story { position: relative; left: 0; opacity: 1; transform: none; }
.rm .hero__hud, html:not(.js) .hero__hud, .rm .hero__scroll, html:not(.js) .hero__scroll { display: none; }

/* 11-home.css */
/* ───────── 實績列 ───────── */
.proof { padding-block: var(--space-m) var(--space-l); }
.proof__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.proof__list--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.proof__item { display: grid; align-content: start; gap: 0.75rem; padding: 2rem 1.5rem 0 0; border-right: 1px solid var(--line-dark); padding-left: 1.5rem; }
.proof__item:first-child { padding-left: 0; }
.proof__item:last-child { border-right: 0; }
.proof__n { font-size: clamp(2.4rem, 1.2rem + 3.6vw, 5rem); line-height: 1; font-weight: 500; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.proof__n--sm { font-size: clamp(1.6rem, 1rem + 1.8vw, 2.6rem); letter-spacing: -0.02em; line-height: 1.15; }
.proof__l { color: var(--on-dark-2); font-size: 0.95rem; max-width: 16rem; }
@media (max-width: 860px) {
  .proof__list, .proof__list--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof__list--3 .proof__item:nth-child(2) { grid-column: span 2; order: 3; }
  .proof__item { padding: 1.5rem 1rem 1.5rem 0; border-right: 0; border-bottom: 1px solid var(--line-dark); padding-left: 0; }
  .proof__item:nth-child(odd) { border-right: 1px solid var(--line-dark); }
  .proof__item:nth-child(even) { padding-left: 1rem; }
}

/* ───────── 宣言 ───────── */
.manifesto { padding-block: var(--space-m) calc(var(--space-l) + var(--r-sheet)); }
.manifesto__t { font-size: clamp(1.75rem, 0.9rem + 3.4vw, 4.4rem); line-height: 1.18; letter-spacing: -0.035em; font-weight: 500; max-width: 22ch; text-wrap: balance; }
:lang(zh) .manifesto__t { max-width: 18em; line-height: 1.45; letter-spacing: 0; }
.manifesto__t .w { opacity: 0.16; transition: opacity 0.3s linear; }
.manifesto__t .w.is-lit { opacity: 1; }
.manifesto__t .w--key { color: var(--signal); }
html:not(.js) .manifesto__t .w, .rm .manifesto__t .w { opacity: 1; }

/* ───────── 定位原理 ───────── */
.principles { padding-block: var(--space-l); }
.pr__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line-light); }
.pr__tab { position: relative; display: grid; gap: 0.35rem; justify-items: start; text-align: left; padding: 1.25rem 1rem 1.25rem 0; color: var(--ink-3); transition: color 0.3s; }
.pr__tab + .pr__tab { padding-left: 1rem; }
.pr__tab:hover, .pr__tab[aria-selected="true"] { color: var(--ink); }
.pr__num { color: inherit; }
.pr__name { font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.45rem); font-weight: 600; letter-spacing: -0.01em; }
.pr__alias { font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--ink-3); }
.pr__bar { position: absolute; left: 0; right: 0; top: -1px; height: 2px; overflow: hidden; }
.pr__bar i { display: block; height: 100%; background: var(--signal-deep); transform: scaleX(0); transform-origin: left; }
.pr__tab[aria-selected="true"] .pr__bar i { animation: prfill var(--pr-dur, 8s) linear forwards; }
.pr.is-paused .pr__tab[aria-selected="true"] .pr__bar i { animation-play-state: paused; }
.rm .pr__tab[aria-selected="true"] .pr__bar i { animation: none; transform: scaleX(1); }
@keyframes prfill { to { transform: scaleX(1); } }

.pr__stage { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: var(--space-m); align-items: center; margin-top: 1.5rem; }
.pr__viz { position: relative; aspect-ratio: 4 / 3; border-radius: var(--r-card); background: radial-gradient(120% 90% at 50% 0%, #0f2038 0%, var(--night) 70%); overflow: hidden; box-shadow: 0 50px 100px -40px rgba(8,18,31,0.5); }
.pr__viz canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.pr__viz-label { position: absolute; left: 1.25rem; top: 1.1rem; color: var(--signal); }
.pr__panel { display: grid; gap: 1.75rem; animation: prin 0.7s var(--ease); }
@keyframes prin { from { opacity: 0; transform: translateY(0.75rem); } }
.pr__how { font-size: clamp(1.25rem, 0.95rem + 1vw, 1.9rem); line-height: 1.4; letter-spacing: -0.015em; font-weight: 500; text-wrap: pretty; }
:lang(zh) .pr__how { line-height: 1.6; letter-spacing: 0; }
.pr__facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-light); }
.pr__facts div { padding: 1rem 0.75rem 0 0; display: grid; gap: 0.25rem; }
.pr__facts dt { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.pr__facts dd { font-weight: 600; }
.pr__fit { display: grid; gap: 0.3rem; padding: 1rem 1.25rem; border-radius: 0.75rem; background: var(--paper-2); color: var(--ink-2); }
.pr__fit .mono { color: var(--signal-deep); }
.pr__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin-top: var(--space-m); padding-top: 1.5rem; border-top: 1px solid var(--line-light); }
.pr__mix { display: flex; align-items: center; gap: 0.9rem; color: var(--ink-2); font-size: 1.05rem; }
.pr__foot .link-arrow { color: var(--ink); font-size: 0.95rem; }
.pr__mix-mark { width: 1.6rem; color: var(--signal-deep); }
@media (max-width: 960px) {
  .pr__tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pr__tab:nth-child(3) { padding-left: 0; }
  .pr__stage { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .pr__facts { grid-template-columns: 1fr; } .pr__facts div { padding: 0.75rem 0; border-bottom: 1px solid var(--line-light); display: flex; justify-content: space-between; } }

/* ───────── 平台展示（左文右片，右側釘住） ───────── */
.showcase { padding-block: var(--space-l); }
.sc { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: var(--space-m); }
.sc__item { min-height: 72vh; display: grid; align-content: center; gap: 1rem; padding-block: 2rem; opacity: 0.28; transition: opacity 0.5s var(--ease); }
.sc__item.is-on { opacity: 1; }
.sc__n { color: var(--signal-deep); }
.sc__name { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
.sc__text { color: var(--ink-2); max-width: 28rem; font-size: 1.05rem; }
.sc__mobile { display: none; }
.sc__sticky { position: sticky; top: calc(50vh - min(26vw, 30vh)); height: fit-content; align-self: start; margin-top: 14vh; }
.sc__frame { border-radius: var(--r-screen); overflow: hidden; background: #fff; border: 1px solid var(--line-light); box-shadow: 0 60px 120px -40px rgba(8,18,31,0.4), 0 20px 40px -20px rgba(8,18,31,0.2); }
.sc__views { position: relative; aspect-ratio: 16 / 10; background: #f4f6f8; }
.sc__v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.03); transition: opacity 0.7s var(--ease), transform 1.2s var(--ease); }
.sc__v.is-on { opacity: 1; transform: none; }
.sc__note { margin-top: 1rem; color: var(--ink-3); text-align: right; }
@media (max-width: 960px) {
  .sc { grid-template-columns: 1fr; }
  .sc__sticky { display: none; }
  .sc__item { min-height: 0; opacity: 1; padding-block: 1.5rem 2.5rem; border-top: 1px solid var(--line-light); }
  .sc__mobile { display: block; margin-top: 1rem; }
}

/* ───────── 場域（橫向捲動） ───────── */
.verticals { overflow: hidden; }
.verticals__pin { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding-block: calc(var(--hdr-h) + 1rem) 2rem; }
.verticals__head { display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.verticals__head .sh { margin-bottom: 1.75rem; gap: 0.9rem; }
.verticals .sh__title { font-size: clamp(1.9rem, 1rem + 2.4vw, 3.4rem); }
.verticals .sh__lead { font-size: 1.02rem; }
.verticals__progress { display: grid; gap: 0.6rem; justify-items: end; color: var(--on-dark-3); margin-bottom: 2.75rem; }
.verticals__progress span { color: var(--signal); }
.verticals__progress i { display: block; width: 10rem; height: 1px; background: var(--line-dark-2); }
.verticals__progress b { display: block; height: 100%; background: var(--signal); transform-origin: left; transform: scaleX(0.2); }
.verticals__track { display: flex; gap: clamp(1rem, 2vw, 2rem); padding-inline: var(--gutter); width: max-content; will-change: transform; }
.vc { flex: none; width: min(74vw, 66rem, calc((100svh - 18rem) * 2.6)); display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(1.25rem, 2.5vw, 2.5rem); align-items: center; padding: clamp(1rem, 2vw, 1.75rem); border-radius: calc(var(--r-card) + 0.4rem); background: linear-gradient(160deg, var(--night-3), var(--night-2)); border: 1px solid var(--line-dark); }
.vc__body { display: grid; gap: 1.2rem; align-content: center; padding-right: 0.5rem; }
.vc__meta { display: flex; gap: 0.75rem; color: var(--on-dark-2); }
.vc__meta span { color: var(--signal); }
.vc__pain { font-size: clamp(1.5rem, 1rem + 1.5vw, 2.4rem); line-height: 1.15; letter-spacing: -0.03em; font-weight: 600; text-wrap: balance; }
:lang(zh) .vc__pain { line-height: 1.35; letter-spacing: 0; }
.vc__list { display: grid; gap: 0.55rem; color: var(--on-dark-2); }
.vc__list li { display: flex; gap: 0.6rem; }
.vc__list .ico { width: 1.1rem; height: 1.1rem; margin-top: 0.25rem; color: var(--signal); }
.vc__value { font-weight: 600; color: var(--on-dark); padding-top: 1rem; border-top: 1px solid var(--line-dark); }
.vc--more { width: min(64vw, 46rem); grid-template-columns: 1fr; align-content: center; gap: 1.25rem; padding: clamp(1.5rem, 3vw, 2.75rem); }
.vc--more .more { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 1.5rem; }
.vc--more .more li:nth-last-child(2) { border-bottom: 1px solid var(--line-dark); }
.vc--more .btn { justify-self: start; }
@media (max-width: 860px) {
  .verticals__pin { min-height: 0; padding-block: var(--space-l); }
  .verticals__progress { display: none; }
  .verticals__track { width: auto; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 1rem; scrollbar-width: none; }
  .verticals__track::-webkit-scrollbar { display: none; }
  .vc { width: 86vw; grid-template-columns: 1fr; scroll-snap-align: center; }
  .vc--more { width: 86vw; }
}

/* 沒有橫向釘住時（無 JS、減少動態）：卡片列可直接橫向捲動 */
html:not(.hs-on) .verticals__track { width: auto; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 1rem; }
html:not(.hs-on) .vc { scroll-snap-align: start; }
html:not(.hs-on) .verticals__progress { display: none; }

/* ───────── 部署 ───────── */
.deploy { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.deploy__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 960px) { .deploy__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .deploy__grid { grid-template-columns: 1fr; } }

/* ───────── 流程 ───────── */
.process { padding-block: var(--space-l); }
.steps { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; padding-top: 2.5rem; }
.steps__line { position: absolute; left: 0; right: 0; top: 0.45rem; height: 1px; background: var(--line-dark-2); }
.steps__line i { display: block; height: 100%; background: linear-gradient(90deg, var(--signal), var(--brand-blue)); transform-origin: left; transform: scaleX(0); }
html:not(.js) .steps__line i, .rm .steps__line i { transform: none; }
.step { position: relative; display: grid; gap: 0.6rem; align-content: start; }
.step__dot { position: absolute; top: -2.5rem; left: 0; width: 0.95rem; height: 0.95rem; border-radius: 50%; background: var(--night); border: 1px solid var(--signal); box-shadow: 0 0 0 5px var(--night); }
.step__dot::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--signal); }
.step__n { color: var(--signal); }
.step__name { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; }
.step__text { color: var(--on-dark-2); }
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr; padding-top: 0; padding-left: 2rem; gap: 2.25rem; }
  .steps__line { left: 0.45rem; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .steps__line i { transform-origin: top; transform: scaleY(0); width: 100%; height: 100%; background: linear-gradient(180deg, var(--signal), var(--brand-blue)); }
  .step__dot { top: 0.35rem; left: -2rem; }
}

/* ───────── 結尾 CTA ───────── */
.final { position: relative; overflow: hidden; padding-block: calc(var(--space-l) * 1.2); border-top: 1px solid var(--line-dark); }
.final__sky { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.9; }
.final__in { position: relative; display: grid; justify-items: center; text-align: center; gap: 1.75rem; }
.final__title { font-size: var(--fs-display); line-height: 0.98; letter-spacing: -0.05em; font-weight: 600; }
:lang(zh) .final__title { line-height: 1.15; letter-spacing: -0.01em; }
.final__lead { max-width: 34rem; color: var(--on-dark-2); font-size: var(--fs-lead); }
.final__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.final__direct { text-transform: none; letter-spacing: 0.02em; font-size: 0.85rem; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 2rem; margin-top: 1rem; color: var(--on-dark-2); }
.final__direct a { display: inline-flex; align-items: center; gap: 0.5rem; transition: color 0.3s; }
.final__direct a:hover { color: var(--signal); }
.final__direct .ico { width: 1rem; height: 1rem; }

.vc__sub { color: var(--on-dark-2); font-size: 0.98rem; }
.more__also { margin-top: 1.5rem; color: var(--ink-2); }

/* 20-pages.css */
/* ───────── 內頁開場 ───────── */
.phero { position: relative; overflow: hidden; padding-block: calc(var(--hdr-h) + clamp(4rem, 12vh, 9rem)) calc(var(--space-l) + var(--r-sheet)); min-height: 78vh; display: flex; align-items: flex-end; }
.phero--full { min-height: 100vh; min-height: 100svh; align-items: center; padding-bottom: var(--space-l); }
.phero__sky { position: absolute; inset: 0; width: 100%; height: 100%; }
.phero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(90% 70% at 0% 100%, rgba(5,10,20,0.85), transparent 60%); pointer-events: none; }
.phero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: var(--space-m); align-items: center; }
.phero__in { position: relative; z-index: 1; display: grid; gap: 1.5rem; align-content: end; }
:lang(zh) .phero__grid .phero__title { font-size: clamp(2.2rem, 1rem + 3.9vw, 4.9rem); }
.phero__visual { position: relative; align-self: stretch; display: grid; place-items: center; min-height: 18rem; }
.hv-mark { width: min(100%, 30rem); overflow: visible; }
.hv-mark .mo__path { stroke: rgba(62, 230, 211, 0.55); stroke-width: 1.4; vector-effect: non-scaling-stroke; stroke-dasharray: 1 1; stroke-dashoffset: 1; filter: drop-shadow(0 0 10px rgba(62,230,211,0.35)); }
.is-loaded .hv-mark .mo__path { animation: mo-draw 3.2s var(--ease-io) 0.3s forwards; }
.hv-mark .mo__star { fill: #e9fffb; opacity: 0; filter: drop-shadow(0 0 8px rgba(62,230,211,0.9)); }
.is-loaded .hv-mark .mo__star { animation: mo-star 1.2s var(--ease) forwards, mo-twinkle 3.6s ease-in-out 3.6s infinite; }
.hv-mark .mo__star:nth-of-type(2) { animation-delay: 2.3s, 4.2s !important; }
.hv-mark .mo__star:nth-of-type(1) { animation-delay: 2.1s, 3.8s !important; }
.hv-mark .mo__star:nth-of-type(3) { animation-delay: 2.5s, 4.6s !important; }
@keyframes mo-draw { to { stroke-dashoffset: 0; } }
@keyframes mo-star { to { opacity: 1; } }
@keyframes mo-twinkle { 50% { opacity: 0.45; } }
html:not(.js) .hv-mark .mo__path, .rm .hv-mark .mo__path { stroke-dashoffset: 0; }
html:not(.js) .hv-mark .mo__star, .rm .hv-mark .mo__star { opacity: 1; }
.hv-screen { width: 118%; margin-right: -22%; perspective: 1600px; }
.hv-screen .screen { transform: rotateY(-16deg) rotateX(6deg) rotateZ(1deg); transform-origin: left center; box-shadow: 0 60px 120px -30px rgba(0,0,0,0.8), 0 0 0 1px rgba(62,230,211,0.12), 0 0 80px -20px rgba(62,230,211,0.25); }
.hv-fan { position: relative; width: 100%; aspect-ratio: 1.15; perspective: 1600px; }
.hv-fan__i { position: absolute; width: 78%; transition: transform 1s var(--ease); }
.hv-fan__i--0 { left: 22%; top: 2%; transform: rotate(5deg); }
.hv-fan__i--1 { left: 10%; top: 22%; transform: rotate(-2deg); }
.hv-fan__i--2 { left: 0; top: 44%; transform: rotate(-8deg); }
.hv-fan:hover .hv-fan__i--0 { transform: rotate(8deg) translate(4%, -4%); }
.hv-fan:hover .hv-fan__i--2 { transform: rotate(-11deg) translate(-4%, 4%); }
.hv-fan .screen { box-shadow: 0 40px 80px -30px rgba(0,0,0,0.85); }
@media (max-width: 960px) {
  .phero__grid { grid-template-columns: 1fr; }
  .phero__visual { order: -1; min-height: 0; }
  .hv-mark { width: 13rem; margin-right: auto; }
  .hv-screen { width: 100%; margin: 0; }
  .hv-screen .screen { transform: none; }
  .hv-fan { aspect-ratio: 1.5; }
}
.phero__title { font-size: var(--fs-display); line-height: 0.98; letter-spacing: -0.05em; font-weight: 600; text-wrap: balance; }
:lang(zh) .phero__title { line-height: 1.15; letter-spacing: -0.01em; font-weight: 700; }
.phero__lead { max-width: 42rem; font-size: var(--fs-lead); color: var(--on-dark-2); text-wrap: pretty; }
.phero__product { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 1rem; color: var(--on-dark-3); }
.phero__product img { width: clamp(9rem, 16vw, 13rem); }

/* ───────── 平台：章節與功能 ───────── */
.chapter { padding-block: var(--space-l); }
.chapter + .chapter { padding-top: 0; }
.chapter__head { display: grid; gap: 1rem; margin-bottom: var(--space-m); padding-top: var(--space-m); border-top: 1px solid var(--line-light); }
.chapter:first-of-type .chapter__head { border-top: 0; padding-top: 0; }
.chapter__k { display: flex; gap: 0.75rem; color: var(--ink-3); }
.chapter__k span { color: var(--signal-deep); }
.chapter__title { font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600; }
:lang(zh) .chapter__title { line-height: 1.2; letter-spacing: -0.01em; }
.feats { display: grid; gap: var(--space-l); }
.feat { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: var(--space-m); align-items: center; }
.feat--flip .feat__media { order: 2; }
.feat__body { display: grid; gap: 0.9rem; max-width: 26rem; }
.feat__name { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; }
.feat__text { color: var(--ink-2); font-size: 1.05rem; }
@media (max-width: 860px) { .feat { grid-template-columns: 1fr; gap: 1.5rem; } .feat--flip .feat__media { order: 0; } }

/* 告警類型 */
.alerts, .integ, .record { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.sig { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--r-card); overflow: hidden; }
.sig__item:first-child { grid-column: span 2; }
.sig__item { position: relative; display: grid; gap: 0.5rem; align-content: start; padding: 1.75rem; background: var(--night); min-height: 12rem; transition: background 0.4s; }
.sig__item:hover { background: var(--night-2); }
.sig__n { color: var(--on-dark-3); }
.sig__ping { position: absolute; right: 1.6rem; top: 1.8rem; width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }
.sig__item:nth-child(4) .sig__ping, .sig__item:nth-child(1) .sig__ping { background: var(--red); box-shadow: 0 0 12px var(--red); }
.sig__item:hover .sig__ping { animation: ping-solid 1.2s var(--ease) infinite; }
@keyframes ping-solid { 50% { transform: scale(1.6); } }
.sig__item h3 { font-size: 1.25rem; font-weight: 600; margin-top: auto; }
.sig__item p { color: var(--on-dark-2); font-size: 0.95rem; }
@media (max-width: 960px) { .sig { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .sig { grid-template-columns: 1fr; } .sig__item { min-height: 0; } .sig__item:first-child { grid-column: auto; } }

/* 支援裝置 */
.devices { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.dev { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-m); }
.dev__item { display: grid; grid-template-columns: 3rem minmax(0, 1fr); column-gap: 1rem; padding: 1.4rem 0; border-top: 1px solid var(--line-light); }
.dev__n { color: var(--signal-deep); padding-top: 0.35rem; grid-row: span 2; }
.dev__item h3 { font-size: 1.2rem; font-weight: 600; }
.dev__item p { color: var(--ink-2); }
@media (max-width: 760px) { .dev { grid-template-columns: 1fr; } }

/* 整合 */
.integ__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.integ__item { display: grid; gap: 0.75rem; align-content: start; padding: 1.75rem; border: 1px solid var(--line-dark); border-radius: var(--r-card); background: linear-gradient(180deg, var(--night-2), var(--night)); }
.integ__item h3 { font-size: 0.95rem; color: var(--signal); }
.integ__item p { color: var(--on-dark-2); }
@media (max-width: 960px) { .integ__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .integ__grid { grid-template-columns: 1fr; } }

/* ───────── 場域方案 ───────── */
.vert { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.vert__head { display: grid; gap: 1.25rem; margin-bottom: var(--space-m); max-width: 60rem; }
.vert__k { display: flex; gap: 0.75rem; color: var(--on-dark-2); }
.vert--light .vert__k { color: var(--ink-3); }
.vert__k span { color: var(--signal); }
.vert--light .vert__k span { color: var(--signal-deep); }
.vert__pain { font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600; text-wrap: balance; }
:lang(zh) .vert__pain { line-height: 1.22; letter-spacing: -0.01em; }
.vert__sub { font-size: var(--fs-lead); color: var(--on-dark-2); max-width: 40rem; }
.vert--light .vert__sub { color: var(--ink-2); }
.vert__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--space-m); align-items: start; }
.vert__media { position: relative; display: grid; gap: 1.25rem; }
.vert__clip--1 { width: 72%; margin-left: auto; margin-top: -14%; position: relative; z-index: 1; }
.vert__clip--2 { width: 56%; margin-top: -10%; position: relative; z-index: 2; }
.vert__body { position: sticky; top: calc(var(--hdr-h) + 2rem); display: grid; gap: 1.5rem; }
.vert__list { display: grid; }
.vert__list li { display: grid; grid-template-columns: 2.5rem 1fr; padding: 1rem 0; border-top: 1px solid var(--line-dark); font-size: 1.08rem; }
.vert--light .vert__list li { border-color: var(--line-light); }
.vert__list .mono { color: var(--signal); padding-top: 0.3rem; }
.vert--light .vert__list .mono { color: var(--signal-deep); }
.vert__value { font-size: clamp(1.2rem, 1rem + 0.7vw, 1.6rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.35; }
@media (max-width: 960px) {
  .vert__grid { grid-template-columns: 1fr; }
  .vert__body { position: static; }
  .vert__clip--1, .vert__clip--2 { width: 100%; margin: 0; }
}
.moresec { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }

/* ───────── 關於 ───────── */
.origin { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.origin__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-m); align-items: center; }
.origin__viz { position: relative; aspect-ratio: 1; }
.origin__viz canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.origin__body { display: grid; gap: 1.5rem; }
.origin__title { font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600; }
:lang(zh) .origin__title { line-height: 1.22; letter-spacing: -0.01em; }
.origin__text { color: var(--on-dark-2); font-size: 1.08rem; max-width: 34rem; }
@media (max-width: 860px) { .origin__grid { grid-template-columns: 1fr; } .origin__viz { max-width: 26rem; width: 100%; margin-inline: auto; } }

.who { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.who__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-m); align-items: end; }
.who__grid .sh { margin-bottom: 0; }
.who__body { display: grid; gap: 1.25rem; color: var(--ink-2); font-size: 1.08rem; }
.dna { margin-top: var(--space-l); }
.dna__list { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.dna__list li { display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.9rem 1.4rem; border-radius: 99px; border: 1px solid var(--line-light-2); background: var(--card); font-size: clamp(1rem, 0.9rem + 0.5vw, 1.35rem); font-weight: 500; transition: background 0.4s, color 0.4s, border-color 0.4s; }
.dna__list li:hover { background: var(--night); color: var(--on-dark); border-color: var(--night); }
.dna__list .mono { color: var(--signal-deep); }
@media (max-width: 860px) { .who__grid { grid-template-columns: 1fr; } }

.hq { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.hq__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-m); align-items: start; }
.hq__title { font-size: var(--fs-h2); line-height: 1.05; letter-spacing: -0.04em; font-weight: 600; margin-top: 1.25rem; }
.hq__coord { margin-top: 1rem; color: var(--ink-3); }
@media (max-width: 860px) { .hq__grid { grid-template-columns: 1fr; } }

/* ───────── 價格 ───────── */
.pricing { padding-block: var(--space-l); }
.tiers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.tier { position: relative; display: grid; gap: 1.5rem; align-content: start; padding: 1.75rem; border-radius: var(--r-card); background: var(--card); border: 1px solid var(--line-light); transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease); }
.tier:hover { transform: translateY(-6px); box-shadow: 0 40px 80px -40px rgba(8,18,31,0.35); }
.tier__head { display: grid; gap: 0.5rem; }
.tier__id { font-size: 2.8rem; font-weight: 600; letter-spacing: -0.05em; line-height: 1; }
.tier__fit { color: var(--ink-2); min-height: 3em; }
.tier__price { display: flex; align-items: baseline; gap: 0.35rem; flex-wrap: wrap; padding-top: 1.25rem; border-top: 1px solid var(--line-light); }
.tier__cur { color: var(--ink-3); }
.tier__num { font-size: clamp(1.8rem, 1.2rem + 1.4vw, 2.5rem); font-weight: 600; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.tier__per { color: var(--ink-3); font-size: 0.95rem; }
.tier__spec { display: grid; gap: 0.75rem; }
.tier__spec div { display: grid; gap: 0.1rem; }
.tier__spec dt { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.tier__spec strong { font-size: 1.25rem; letter-spacing: -0.02em; }
.tier__scale { height: 4px; border-radius: 4px; background: var(--paper-2); overflow: hidden; }
.tier__scale i { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--signal-deep), var(--brand-blue)); border-radius: inherit; }
.tier .btn { justify-self: start; }
.pricing__lower { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 1rem; margin-top: 1rem; }
.ent { display: grid; gap: 1.25rem; align-content: start; padding: clamp(1.75rem, 3vw, 3rem); border-radius: var(--r-card); background: var(--night); color: var(--on-dark); }
.ent p { color: var(--on-dark-2); max-width: 36rem; }
.ent .btn { justify-self: start; --bg: var(--signal); --fg: var(--night); }
.ent .btn::before { background: var(--on-dark); }
.ent__title, .incl__title { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; }
.incl { padding: clamp(1.75rem, 3vw, 3rem); border-radius: var(--r-card); border: 1px solid var(--line-light); background: var(--card); display: grid; gap: 1.25rem; align-content: start; }
.incl ul { display: grid; gap: 0.75rem; }
.incl li { display: flex; gap: 0.7rem; }
.incl .ico { color: var(--signal-deep); margin-top: 0.15rem; }
.notes { display: grid; gap: 0.4rem; margin-top: 2rem; color: var(--ink-3); font-size: 0.9rem; }
.notes li::before { content: "※ "; }
@media (max-width: 1100px) { .tiers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .pricing__lower { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .tiers { grid-template-columns: 1fr; } .tier__fit { min-height: 0; } }

/* ───────── 聯絡 ───────── */
.contact { padding-block: var(--space-l); }
.contact__grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--space-m); align-items: start; }
.contact__form { padding: clamp(1.5rem, 3vw, 3rem); border-radius: var(--r-card); background: var(--card); border: 1px solid var(--line-light); }
.contact__aside { display: grid; gap: 1.25rem; position: sticky; top: calc(var(--hdr-h) + 2rem); }
.contact__aside > p { color: var(--ink-2); }
.contact__h { font-size: var(--fs-h3); font-weight: 600; letter-spacing: -0.02em; }
.form { display: grid; gap: 1.25rem; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.field { display: grid; gap: 0.45rem; }
.field label { font-size: 0.9rem; font-weight: 500; color: var(--ink-2); }
.field__req { color: var(--signal-deep); margin-left: 0.15rem; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--paper); border: 1px solid transparent; border-radius: 0.7rem;
  padding: 0.85rem 1rem; transition: border-color 0.3s, background 0.3s, box-shadow 0.3s; appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23435267' stroke-width='1.8'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.9rem center; background-size: 1.1rem; padding-right: 2.5rem; }
.field textarea { resize: vertical; min-height: 8rem; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--line-light-2); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--signal-deep); box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal-deep) 15%, transparent); }
.field.is-invalid input, .field.is-invalid select { border-color: var(--red); }
.field__err { min-height: 1em; font-size: 0.82rem; color: #d63b3b; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form__note { color: var(--ink-3); font-size: 0.9rem; }
.form__status { font-weight: 500; }
.form__status.is-ok { color: var(--signal-deep); }
.form__status.is-fail { color: #d63b3b; }
.form.is-sent .form__row, .form.is-sent .field, .form.is-sent .form__foot { opacity: 0.4; pointer-events: none; }
@media (max-width: 960px) { .contact__grid { grid-template-columns: 1fr; } .contact__aside { position: static; } }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }

/* ───────── 常見問題 ───────── */
.faq { padding-block: var(--space-l); }
.faq__grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--space-m); align-items: start; }
.faq__main { display: grid; gap: var(--space-m); }
.faq__gt { display: flex; gap: 0.75rem; color: var(--ink-3); margin-bottom: 1rem; font-weight: 400; }
.faq__gt span { color: var(--signal-deep); }
.faq__aside { display: grid; gap: 1.25rem; position: sticky; top: calc(var(--hdr-h) + 2rem); }
.faq__aside .btn { justify-self: start; }
.qa { border-top: 1px solid var(--line-light); }
.qa:last-child { border-bottom: 1px solid var(--line-light); }
.qa summary { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1.35rem 0; cursor: pointer; list-style: none; }
.qa summary::-webkit-details-marker { display: none; }
.qa__q { font-size: clamp(1.05rem, 0.95rem + 0.45vw, 1.3rem); font-weight: 600; letter-spacing: -0.01em; transition: color 0.3s; }
.qa summary:hover .qa__q { color: var(--signal-deep); }
.qa__ico { position: relative; flex: none; width: 2rem; height: 2rem; border-radius: 50%; border: 1px solid var(--line-light-2); transition: background 0.3s, border-color 0.3s; }
.qa__ico::before, .qa__ico::after { content: ""; position: absolute; left: 50%; top: 50%; width: 0.75rem; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); transition: transform 0.4s var(--ease); }
.qa__ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.qa[open] .qa__ico { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.qa[open] .qa__ico::after { transform: translate(-50%, -50%) rotate(0deg); }
.qa__a { padding: 0 3.5rem 1.6rem 0; color: var(--ink-2); font-size: 1.02rem; max-width: 46rem; }
.qa:target summary .qa__q { color: var(--signal-deep); }
@media (max-width: 960px) { .faq__grid { grid-template-columns: 1fr; } .faq__aside { position: static; } .qa__a { padding-right: 0; } }

/* ───────── 平台：發展方向 ───────── */
.next { padding-block: var(--space-l) calc(var(--space-l) + var(--r-sheet)); }
.next__in { display: grid; gap: 1.25rem; max-width: 52rem; }
.next__title { font-size: var(--fs-h2); line-height: 1.1; letter-spacing: -0.03em; font-weight: 600; }
:lang(zh) .next__title { line-height: 1.25; letter-spacing: 0; }
.next__text { color: var(--ink-2); font-size: var(--fs-lead); }

/* 90-motion.css */
/* 進場動畫的初始狀態：只在有 JS 且未要求減少動態時隱藏 */
.js:not(.rm) [data-reveal] { opacity: 0; transform: translateY(1.75rem); transition: opacity 0.9s var(--ease), transform 1.1s var(--ease); transition-delay: var(--d, 0s); }
.js:not(.rm) [data-reveal].is-in { opacity: 1; transform: none; }

.ln { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.ln__i { display: inline-block; }
.js:not(.rm) [data-lines] .ln__i { transform: translateY(105%); transition: transform 1.2s var(--ease); transition-delay: calc(var(--d, 0s) + var(--li, 0) * 0.09s); }
.js:not(.rm) [data-lines].is-in .ln__i { transform: none; }

/* 保底：腳本 4 秒內沒跑起來（載入失敗、被擋），直接顯示內容 */
.js:not(.rm):not(.booted) [data-reveal] { animation: reveal-fallback 0.6s ease 4s forwards; }
.js:not(.rm):not(.booted) [data-lines] .ln__i { animation: reveal-fallback 0.6s ease 4s forwards; }
@keyframes reveal-fallback { to { opacity: 1; transform: none; } }

/* 磁吸按鈕 */
[data-magnetic] { transition: transform 0.5s var(--ease), color 0.45s var(--ease), box-shadow 0.45s var(--ease); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}