@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap");

:root {
  color-scheme: dark;
  --navy: #071727;
  --navy-2: #0b2034;
  --navy-3: #112c40;
  --teal: #46d5d6;
  --teal-soft: #92e9e4;
  --amber: #f0a365;
  --white: #f5fafc;
  --muted: #a8bdc7;
  --paper: #edf4f2;
  --ink: #102735;
  --paper-muted: #627783;
  --line-dark: rgba(139, 215, 218, .22);
  --line-light: rgba(15, 54, 67, .19);
  font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--navy); color: var(--white); }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
::selection { background: var(--teal); color: var(--navy); }
.skip-link { position: absolute; top: -60px; left: 16px; z-index: 99; padding: 10px 16px; background: var(--paper); color: var(--ink); }
.skip-link:focus { top: 10px; }
.site-shell { overflow: clip; }
.page-width, .header-inner { width: min(1200px, calc(100% - 80px)); margin-inline: auto; }

.site-header { position: relative; z-index: 20; background: rgba(7, 23, 39, .93); border-bottom: 1px solid var(--line-dark); }
.header-inner { height: 96px; display: flex; align-items: center; gap: 40px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 47px; height: 47px; border: 1px solid #72e7df; border-radius: 13px; display: grid; place-items: center; box-shadow: inset 0 0 18px rgba(70, 213, 214, .13), 0 0 22px rgba(70, 213, 214, .1); }
.brand-mark span { font-size: 28px; font-weight: 800; line-height: 1; letter-spacing: -.13em; transform: translateX(-2px); color: var(--white); }
.brand-name { display: inline-flex; align-items: baseline; gap: 10px; font-size: 22px; }
.brand-name strong { font-weight: 800; letter-spacing: -.06em; }
.brand-name span { color: var(--teal); font-size: 19px; font-weight: 500; letter-spacing: .1em; }
.main-nav { display: flex; align-items: center; gap: 36px; margin-left: auto; }
.main-nav a, .footer-links a { text-decoration: none; font-size: 14px; font-weight: 600; transition: color .2s; }
.main-nav a:hover, .footer-links a:hover { color: var(--teal); }
.header-status { display: inline-flex; align-items: center; gap: 9px; border: 1px solid rgba(240, 163, 101, .55); color: #ffd0ac; padding: 10px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; letter-spacing: .06em; }
.status-dot { display: inline-block; width: 7px; height: 7px; flex: none; border-radius: 50%; background: var(--amber); box-shadow: 0 0 12px var(--amber); }

.hero { position: relative; background: radial-gradient(circle at 76% 39%, rgba(13, 102, 120, .2), transparent 34%), linear-gradient(151deg, #061626 0%, #081d31 60%, #071727 100%); }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(rgba(70, 213, 214, .028) 1px, transparent 1px), linear-gradient(90deg, rgba(70, 213, 214, .028) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(to right, transparent 0%, #000 65%, #000 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); align-items: center; min-height: 700px; position: relative; }
.hero-copy { z-index: 2; padding: 58px 0 80px; }
.hero-index { color: var(--teal); font-size: 12px; font-weight: 700; letter-spacing: .27em; margin: 0 0 28px; }
.hero h1 { font-size: clamp(64px, 6.6vw, 102px); line-height: 1.17; letter-spacing: -.075em; margin: 0; font-weight: 700; }
.hero h1 em { color: var(--teal); font-style: normal; position: relative; white-space: nowrap; }
.hero h1 em::after { content: ""; position: absolute; bottom: -8px; left: 2%; width: 95%; height: 2px; background: linear-gradient(90deg, var(--teal), transparent); }
.hero-intro { margin: 42px 0 0; max-width: 485px; font-size: 18px; line-height: 2.02; color: #c3d5dd; letter-spacing: .025em; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 33px; min-height: 58px; padding: 0 22px 0 25px; text-decoration: none; font-weight: 700; border-radius: 5px; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: #062735; background: var(--teal); }
.button-primary:hover { background: #72eae4; }
.button-primary span { font-size: 22px; font-weight: 400; }
.text-link { font-size: 14px; font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(255,255,255,.47); padding-bottom: 5px; }
.text-link span { color: var(--amber); margin-left: 7px; }
.text-link:hover { color: var(--teal); border-color: var(--teal); }
.hero-footnote { display: flex; align-items: center; gap: 13px; margin-top: 82px; color: #8aabb9; font-size: 12px; letter-spacing: .17em; }
.footnote-rule { height: 1px; width: 36px; background: var(--teal); }
.hero-art { align-self: stretch; position: relative; min-width: 0; }
.signal-art { position: absolute; width: 127%; max-width: none; height: auto; left: -12%; top: 4%; filter: drop-shadow(0 25px 45px rgba(0,0,0,.2)); }
.signal-wave { transform-origin: center; animation: wave-float 9s ease-in-out infinite; }
.signal-ticks { animation: ticks-glow 5s ease-in-out infinite; }
.signal-core { animation: core-breathe 4s ease-in-out infinite; }
.signal-card { position: absolute; bottom: 115px; left: 27%; width: 285px; padding: 18px 23px 21px; display: flex; flex-direction: column; gap: 13px; border: 1px solid rgba(109, 226, 221, .63); border-radius: 10px; background: rgba(7, 29, 43, .83); box-shadow: 0 22px 60px rgba(0,0,0,.25), 0 0 27px rgba(54, 188, 193, .08); backdrop-filter: blur(13px); }
.signal-card-label { color: var(--teal-soft); font-size: 11px; font-weight: 700; letter-spacing: .15em; padding-bottom: 8px; border-bottom: 1px solid var(--line-dark); }
.signal-card > span:not(.signal-card-label) { color: #dceff1; font-size: 14px; letter-spacing: .06em; }
.signal-card i { color: var(--amber); font-size: 10px; font-style: normal; margin-right: 15px; letter-spacing: .15em; }
.art-side-note { position: absolute; right: -48px; top: 49%; transform: rotate(90deg); transform-origin: center; color: rgba(159, 222, 221, .55); font-size: 9px; letter-spacing: .4em; white-space: nowrap; }
.hero-bottom { position: relative; display: flex; justify-content: space-between; border-top: 1px solid var(--line-dark); padding: 22px 0 25px; color: #7198a7; font-size: 11px; letter-spacing: .17em; }
.hero-bottom span:last-child span { color: var(--teal); font-size: 16px; margin-left: 12px; }

.section-light { background: var(--paper); color: var(--ink); }
.section-grid { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 20px; }
.section-side { display: flex; flex-direction: column; gap: 12px; padding-top: 12px; }
.section-number { font-size: 57px; font-weight: 500; line-height: 1; letter-spacing: -.08em; color: var(--teal); }
.section-side-label { font-size: 10px; letter-spacing: .22em; font-weight: 700; color: var(--paper-muted); white-space: nowrap; }
.section-body { min-width: 0; }
.section-kicker { color: #008c99; font-size: 13px; font-weight: 700; letter-spacing: .2em; margin: 0 0 19px; }
.section-heading, .archive-heading { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.section-heading h2, .archive-heading h2, .standards-heading h2 { font-size: clamp(39px, 4vw, 61px); font-weight: 600; line-height: 1.33; letter-spacing: -.065em; margin: 0; }
.section-heading > p, .archive-heading > p { max-width: 265px; margin: 0 0 10px; font-size: 15px; line-height: 1.85; color: var(--paper-muted); }

.latest { padding: 112px 0 125px; }
.featured-shell { margin-top: 54px; min-height: 365px; background: linear-gradient(135deg, #092237 0%, #071727 67%); overflow: hidden; border-radius: 9px; color: var(--white); position: relative; box-shadow: 0 22px 58px rgba(13, 47, 53, .12); }
.featured-shell::before { content: ""; position: absolute; top: 0; left: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--teal), #1a7b8c 47%, var(--amber) 100%); }
.featured-empty { min-height: 365px; display: grid; grid-template-columns: 1.1fr .9fr; position: relative; }
.featured-empty-copy { padding: 56px 55px 52px; position: relative; z-index: 2; }
.coming-index { color: var(--teal-soft); font-size: 12px; font-weight: 700; letter-spacing: .19em; }
.featured-empty h3 { font-size: clamp(29px, 3vw, 43px); font-weight: 600; letter-spacing: -.045em; margin: 22px 0 15px; }
.featured-empty p { color: #bacfd9; font-size: 15px; line-height: 1.9; max-width: 390px; margin: 0; }
.featured-live { min-height: 365px; display: grid; grid-template-columns: 1.1fr .9fr; }
.featured-live-copy { padding: 50px 55px; position: relative; z-index: 2; }
.featured-live h3 { font-size: clamp(29px, 3vw, 43px); font-weight: 600; line-height: 1.38; letter-spacing: -.045em; margin: 19px 0 13px; }
.featured-live p { color: #bacfd9; font-size: 15px; line-height: 1.85; max-width: 490px; margin: 0; }
.featured-live-actions { display: flex; align-items: center; gap: 25px; flex-wrap: wrap; margin-top: 29px; }
.featured-live-actions .button { border: 0; cursor: pointer; }
.feed-error { padding: 45px 0; color: #ffd0ac; }
.empty-status { display: inline-flex; align-items: center; gap: 10px; margin-top: 38px; font-size: 12px; color: #ffd5b9; letter-spacing: .08em; }
.featured-symbol { position: relative; min-height: 300px; display: grid; place-items: center; background: radial-gradient(circle, rgba(53, 192, 190, .17), transparent 63%); overflow: hidden; }
.featured-symbol::before, .featured-symbol::after, .featured-pulse { content: ""; width: 265px; height: 265px; border: 1px solid rgba(97, 221, 213, .21); border-radius: 50%; position: absolute; }
.featured-symbol::after { width: 340px; height: 340px; border-color: rgba(97, 221, 213, .13); }
.featured-pulse { width: 190px; height: 190px; border-color: rgba(240, 163, 101, .34); box-shadow: 0 0 55px rgba(70, 213, 214, .08); animation: core-breathe 5s ease-in-out infinite; }
.featured-symbol > span { font-size: 150px; font-weight: 800; color: rgba(126, 231, 223, .75); letter-spacing: -.18em; transform: translateX(-13px); text-shadow: 0 0 40px rgba(70, 213, 214, .24); }

.archive { padding: 117px 0 130px; background: radial-gradient(circle at 0 95%, rgba(30, 124, 143, .13), transparent 45%), var(--navy); }
.archive .section-number { color: var(--amber); }
.archive .section-side-label { color: #7e9eac; }
.archive .section-kicker { color: var(--teal); }
.archive-heading > p { color: var(--muted); }
.archive-controls { display: flex; gap: 7px; border-bottom: 1px solid var(--line-dark); margin-top: 56px; }
.filter { padding: 13px 24px 15px; border: 0; background: transparent; color: #98b4bf; cursor: pointer; font-size: 15px; font-weight: 500; border-bottom: 2px solid transparent; }
.filter:hover { color: var(--white); }
.filter.active { color: var(--teal); border-color: var(--teal); font-weight: 700; }
.episode-list { min-height: 220px; }
.archive-empty { display: flex; gap: 34px; align-items: center; padding: 61px 8px; color: #91acb8; }
.empty-line { width: 95px; height: 1px; background: linear-gradient(90deg, var(--teal), transparent); flex: none; }
.archive-empty p { font-size: 16px; line-height: 1.9; margin: 0; }
.archive-empty strong { font-size: 23px; color: var(--white); font-weight: 500; }

.episode-row { display: grid; grid-template-columns: 92px minmax(0, 1fr) 90px; gap: 25px; align-items: center; border-bottom: 1px solid var(--line-dark); padding: 28px 8px; }
.episode-date { color: var(--teal); font-size: 13px; font-weight: 600; line-height: 1.4; }
.episode-body small { color: var(--amber); letter-spacing: .11em; font-size: 11px; font-weight: 700; }
.episode-body h3 { font-size: 23px; line-height: 1.35; margin: 8px 0; font-weight: 600; }
.episode-body p { color: var(--muted); font-size: 14px; line-height: 1.75; margin: 0; }
.episode-actions { display: flex; justify-content: end; }
.play-button { border: 1px solid var(--teal); border-radius: 50%; width: 56px; height: 56px; display: grid; place-items: center; background: transparent; color: var(--teal); font-size: 21px; cursor: pointer; transition: background .2s, color .2s; }
.play-button:hover { background: var(--teal); color: var(--navy); }
.episode-sources { margin-top: 14px; color: #9cb7c3; font-size: 12px; }
.episode-sources summary { cursor: pointer; }
.episode-sources ul { margin: 9px 0 0; padding-left: 18px; }
.episode-sources a { color: var(--teal-soft); overflow-wrap: anywhere; }

.standards { padding: 114px 0 128px; }
.standards-heading h2 em { color: #0b8c96; font-style: normal; }
.principle-list { margin-top: 65px; border-top: 1px solid var(--line-light); }
.principle { display: grid; grid-template-columns: 80px minmax(170px, .76fr) minmax(0, 1fr); gap: 28px; align-items: start; padding: 31px 2px 35px; border-bottom: 1px solid var(--line-light); }
.principle-no { color: #0b9da5; font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.principle h3 { font-size: 24px; font-weight: 600; line-height: 1.4; margin: -5px 0 0; letter-spacing: -.035em; }
.principle p { color: var(--paper-muted); line-height: 1.85; font-size: 15px; margin: 0; }

.site-footer { background: #061421; }
.footer-top { display: flex; justify-content: space-between; padding: 70px 0 64px; gap: 40px; }
.footer-brand .brand-name span { color: var(--teal); }
.footer-top p { margin: 26px 0 0; color: #8da9b6; font-size: 15px; }
.footer-links { display: flex; gap: 30px; align-items: start; color: #abc1ca; }
.footer-bottom { display: flex; justify-content: space-between; border-top: 1px solid var(--line-dark); padding: 22px 0 30px; color: #678997; font-size: 12px; letter-spacing: .06em; }

.player-dialog[hidden] { display: none; }
.player-dialog { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; }
.player-backdrop { position: absolute; inset: 0; background: rgba(0, 9, 17, .88); }
.player-panel { width: min(1000px, calc(100% - 32px)); position: relative; z-index: 1; padding: 16px; border: 1px solid var(--line-dark); background: #071727; box-shadow: 0 25px 100px #000a; }
.player-close { position: absolute; right: 15px; top: -53px; border: 1px solid var(--teal); width: 40px; height: 40px; background: var(--navy); color: var(--white); border-radius: 50%; cursor: pointer; font-size: 29px; line-height: 1; }
.player-frame { aspect-ratio: 16 / 9; width: 100%; background: #000; }
.player-frame iframe { border: 0; width: 100%; height: 100%; }
.player-panel p { color: var(--white); margin: 13px 0 2px; font-size: 16px; }

@keyframes wave-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes ticks-glow { 0%, 100% { opacity: .67; } 50% { opacity: 1; } }
@keyframes core-breathe { 0%, 100% { opacity: .67; transform: scale(.98); } 50% { opacity: 1; transform: scale(1.04); } }

@media (max-width: 1050px) {
  .page-width, .header-inner { width: min(100% - 56px, 1200px); }
  .hero-grid { min-height: 660px; }
  .signal-art { top: 10%; left: -17%; }
  .signal-card { left: 20%; bottom: 90px; }
  .section-grid { grid-template-columns: 135px minmax(0, 1fr); }
  .main-nav { gap: 20px; }
}

@media (max-width: 760px) {
  .page-width, .header-inner { width: calc(100% - 38px); }
  .header-inner { height: 74px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 11px; }
  .brand-mark span { font-size: 24px; }
  .brand-name { font-size: 18px; gap: 7px; }
  .brand-name span { font-size: 15px; }
  .main-nav { display: none; }
  .header-status { margin-left: auto; padding: 7px 9px; font-size: 10px; }
  .hero-grid { display: block; min-height: 0; }
  .hero-copy { padding: 65px 0 0; }
  .hero-index { margin-bottom: 21px; }
  .hero h1 { font-size: clamp(51px, 10.8vw, 78px); }
  .hero-intro { font-size: 15px; line-height: 1.95; margin-top: 34px; max-width: 560px; }
  .hero-actions { margin-top: 32px; gap: 23px; }
  .button { min-height: 53px; padding-inline: 18px; gap: 18px; font-size: 14px; }
  .text-link { font-size: 13px; }
  .hero-footnote { margin-top: 48px; font-size: 10px; }
  .hero-art { height: 400px; margin-top: -17px; }
  .signal-art { width: 100%; height: 460px; top: -39px; left: 4%; }
  .signal-card { left: 44%; bottom: 12px; width: 215px; padding: 12px 15px; gap: 7px; }
  .signal-card > span:not(.signal-card-label) { font-size: 11px; }
  .signal-card-label { font-size: 9px; }
  .signal-card i { margin-right: 8px; }
  .art-side-note { display: none; }
  .hero-bottom { padding: 15px 0 19px; font-size: 9px; }
  .section-grid { display: block; }
  .section-side { flex-direction: row; align-items: baseline; padding: 0 0 25px; gap: 18px; }
  .section-number { font-size: 35px; }
  .section-heading, .archive-heading { align-items: start; flex-direction: column; gap: 18px; }
  .section-heading > p, .archive-heading > p { max-width: 550px; margin: 0; }
  .latest, .archive, .standards { padding: 79px 0 88px; }
  .featured-shell { margin-top: 35px; }
  .featured-empty { grid-template-columns: 1fr 180px; min-height: 340px; }
  .featured-live { grid-template-columns: 1fr 180px; min-height: 340px; }
  .featured-empty-copy { padding: 43px 24px; }
  .featured-live-copy { padding: 43px 24px; }
  .featured-symbol { min-height: 0; }
  .featured-symbol > span { font-size: 98px; }
  .archive-controls { margin-top: 34px; }
  .standards-heading h2 { font-size: clamp(38px, 7vw, 55px); }
  .principle-list { margin-top: 43px; }
  .principle { grid-template-columns: 53px 1fr; gap: 14px; }
  .principle p { grid-column: 2; }
  .footer-top { padding: 54px 0; }
}

@media (max-width: 480px) {
  .page-width, .header-inner { width: calc(100% - 34px); }
  .header-inner { gap: 8px; }
  .brand-name { font-size: 17px; }
  .brand-name span { font-size: 14px; }
  .header-status { font-size: 9px; letter-spacing: 0; }
  .hero-copy { padding-top: 54px; }
  .hero h1 { font-size: clamp(48px, 11.7vw, 62px); }
  .hero-intro { font-size: 14px; }
  .hero-actions { flex-wrap: wrap; gap: 19px; }
  .hero-footnote { margin-top: 42px; }
  .hero-art { height: 320px; }
  .signal-art { top: -30px; width: 125%; left: -10%; height: 400px; }
  .signal-card { bottom: 2px; left: auto; right: 4px; width: 190px; }
  .hero-bottom span:last-child { display: none; }
  .section-heading h2, .archive-heading h2 { font-size: 42px; }
  .section-heading > p, .archive-heading > p { font-size: 14px; }
  .featured-empty { display: block; min-height: 360px; }
  .featured-live { display: block; min-height: 360px; position: relative; }
  .featured-empty-copy { padding: 39px 24px 35px; }
  .featured-live-copy { padding: 39px 24px 35px; }
  .featured-live h3 { font-size: 29px; }
  .featured-live p { font-size: 14px; }
  .featured-live .featured-symbol { position: absolute; right: -48px; bottom: -60px; width: 200px; height: 200px; opacity: .3; }
  .featured-empty h3 { margin-top: 17px; font-size: 31px; }
  .featured-empty p { font-size: 14px; }
  .empty-status { margin-top: 27px; }
  .featured-symbol { position: absolute; right: -48px; bottom: -60px; width: 200px; height: 200px; min-height: 0; opacity: .45; }
  .featured-symbol > span { font-size: 100px; }
  .archive-empty { gap: 12px; padding: 43px 3px; }
  .empty-line { width: 40px; }
  .archive-empty p { font-size: 14px; }
  .archive-empty strong { font-size: 20px; }
  .filter { padding-inline: 20px; }
  .principle { grid-template-columns: 44px 1fr; gap: 10px; }
  .principle h3 { font-size: 21px; }
  .principle p { font-size: 14px; }
  .footer-top { flex-direction: column; gap: 37px; }
  .footer-links { gap: 19px; flex-wrap: wrap; }
  .footer-bottom { gap: 10px; flex-direction: column; }
  .episode-row { grid-template-columns: 1fr 56px; gap: 14px; }
  .episode-date { grid-column: 1 / -1; }
  .episode-body h3 { font-size: 21px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}