:root {
  --sh-ink: #172021;
  --sh-muted: #5d6868;
  --sh-paper: #f5f2ea;
  --sh-card: #fffefa;
  --sh-line: #d9ded8;
  --sh-green: #176b5b;
  --sh-green-dark: #0d453d;
  --sh-mint: #9bc7b8;
  --sh-coral: #e2684e;
  --sh-gold: #e7ad32;
  --sh-blue: #3f6f8d;
  --sh-shadow: 0 18px 50px rgba(16, 46, 40, .11);
}

html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sh-paper); color: var(--sh-ink); font-family: "Noto Sans TC", sans-serif; }
.sh-main { overflow: clip; }
.sh-wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.sh-section { padding: 104px 0; scroll-margin-top: 132px; }
.sh-eyebrow { margin: 0 0 12px; color: var(--sh-green); font-size: 13px; font-weight: 900; letter-spacing: .2em; }
.sh-section-head { max-width: 760px; margin-bottom: 40px; }
.sh-section-head h2 { margin: 0; font: 900 clamp(34px, 4vw, 54px)/1.15 "Noto Serif TC", serif; letter-spacing: -.035em; }
.sh-section-head > p:last-child { margin: 16px 0 0; color: var(--sh-muted); font-size: 18px; line-height: 1.8; }

.sh-hero { position: relative; padding: 76px 0 64px; color: #fff; background:
  radial-gradient(circle at 82% 12%, rgba(231, 173, 50, .2), transparent 22%),
  linear-gradient(135deg, #102e2a 0%, #0d453d 58%, #176b5b 100%); }
.sh-hero::before { content: ""; position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000, transparent 76%); }
.sh-hero .sh-wrap { position: relative; }
.sh-back { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 44px; color: rgba(255,255,255,.78); font-size: 14px; font-weight: 700; text-decoration: none; }
.sh-back::before { content: "←"; }
.sh-back:hover { color: #fff; }
.sh-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; color: #b9ded0; font-weight: 900; letter-spacing: .12em; }
.sh-kicker span { width: 28px; height: 4px; border-radius: 99px; background: var(--sh-gold); }
.sh-date { margin: 0 0 22px; color: rgba(255,255,255,.64); font-size: 14px; }
.sh-hero h1 { max-width: 900px; margin: 0; font: 900 clamp(48px, 8vw, 92px)/.98 "Noto Serif TC", serif; letter-spacing: -.065em; }
.sh-hero h1 em { color: #ffe3a0; font-style: normal; }
.sh-lead { max-width: 870px; margin: 30px 0 38px; color: rgba(255,255,255,.88); font-size: clamp(20px, 2.3vw, 28px); font-weight: 500; line-height: 1.65; }
.sh-lead strong { color: #fff; font-weight: 900; white-space: nowrap; }
.sh-at-a-glance { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sh-glance-card { min-height: 172px; padding: 25px 26px; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; background: rgba(255,255,255,.1); backdrop-filter: blur(8px); }
.sh-glance-label { display: block; color: rgba(255,255,255,.68); font-size: 14px; font-weight: 700; }
.sh-glance-card > strong { display: flex; align-items: baseline; gap: 7px; margin: 10px 0 8px; }
.sh-glance-card b { color: #fff; font-size: clamp(32px, 4vw, 48px); line-height: 1; }
.sh-glance-card small { color: #ffe3a0; font-size: 15px; }
.sh-glance-card p { margin: 0; color: rgba(255,255,255,.75); font-size: 14px; line-height: 1.55; }
.sh-hero-answer { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; margin-top: 18px; padding: 20px 24px; border-left: 4px solid var(--sh-gold); background: rgba(0,0,0,.18); }
.sh-hero-answer span { padding: 5px 10px; border-radius: 999px; color: #0d453d; background: #ffe3a0; font-size: 12px; font-weight: 900; white-space: nowrap; }
.sh-hero-answer p { margin: 0; color: rgba(255,255,255,.88); font-size: 16px; line-height: 1.7; }

.sh-local-nav { position: sticky; top: 69px; z-index: 30; border-bottom: 1px solid #d6dcd7; background: rgba(255,254,250,.94); box-shadow: 0 8px 25px rgba(23,32,33,.06); backdrop-filter: blur(13px); }
.sh-local-nav-track { display: flex; justify-content: center; gap: 5px; width: min(1160px, 100%); margin: 0 auto; padding: 10px 20px; overflow-x: auto; scrollbar-width: none; }
.sh-local-nav-track::-webkit-scrollbar { display: none; }
.sh-local-nav a { flex: 0 0 auto; padding: 9px 13px; border-radius: 999px; color: #354343; font-size: 14px; font-weight: 800; text-decoration: none; }
.sh-local-nav a:hover { color: #fff; background: var(--sh-green); }

.sh-compare { background: #fffefa; }
.sh-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 7px; border: 1px solid var(--sh-line); border-radius: 18px; background: #edf0eb; }
.sh-tabs button { padding: 15px; border: 0; border-radius: 13px; color: #4c5756; background: transparent; font: 800 17px/1.2 inherit; cursor: pointer; }
.sh-tabs button[aria-selected="true"] { color: #fff; background: var(--sh-green-dark); box-shadow: 0 7px 20px rgba(13,69,61,.2); }
.sh-view { display: grid; grid-template-columns: .9fr 1.35fr; gap: 44px; align-items: start; margin-top: 30px; padding: clamp(26px, 4vw, 48px); border: 1px solid var(--sh-line); border-radius: 28px; background: #fff; box-shadow: var(--sh-shadow); }
.sh-view[hidden] { display: none; }
.sh-view-copy { position: sticky; top: 154px; }
.sh-view-no { display: inline-flex; padding: 6px 10px; border-radius: 8px; color: #fff; background: var(--sh-coral); font-size: 13px; font-weight: 900; }
.sh-view-question { margin: 18px 0 8px; color: var(--sh-green); font-weight: 900; }
.sh-view-copy h3 { margin: 0; font: 900 clamp(28px, 3vw, 40px)/1.25 "Noto Serif TC", serif; letter-spacing: -.035em; }
.sh-view-copy > p:last-child { color: var(--sh-muted); font-size: 16px; line-height: 1.75; }
.sh-stage-chart { padding: 28px; border-radius: 22px; background: #f1f5f1; }
.sh-stage-total { display: flex; justify-content: space-between; gap: 12px; align-items: end; }
.sh-stage-total span { color: var(--sh-muted); font-weight: 700; }
.sh-stage-total strong { color: var(--sh-green-dark); font-size: 20px; }
.sh-stage-total b { font-size: 38px; line-height: 1; }
.sh-stage-bar { display: flex; height: 34px; margin: 22px 0 20px; overflow: hidden; border-radius: 999px; background: #dfe4df; }
.sh-stage-bar span { width: var(--share); }
.sh-stage-bar .done, .sh-stage-legend i.done { background: var(--sh-green); }
.sh-stage-bar .building, .sh-stage-legend i.building { background: var(--sh-gold); }
.sh-stage-bar .awarded, .sh-stage-legend i.awarded { background: var(--sh-coral); }
.sh-stage-legend { display: grid; gap: 10px; }
.sh-stage-legend div { display: grid; grid-template-columns: 12px 1fr auto; gap: 10px; align-items: center; }
.sh-stage-legend i { width: 10px; height: 10px; border-radius: 50%; }
.sh-stage-legend span { color: var(--sh-muted); }
.sh-stage-legend strong { font-variant-numeric: tabular-nums; }
.sh-chart-note { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--sh-line); color: var(--sh-muted); font-size: 13px; line-height: 1.6; }
.sh-split { grid-column: 1 / -1; display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px; align-items: center; padding-top: 30px; border-top: 1px solid var(--sh-line); }
.sh-split-copy span { color: var(--sh-coral); font-size: 13px; font-weight: 900; }
.sh-split-copy strong { display: block; margin: 6px 0 8px; font-size: 22px; }
.sh-split-copy p { margin: 0; color: var(--sh-muted); font-size: 14px; line-height: 1.65; }
.sh-split-bar { display: flex; min-height: 76px; overflow: hidden; border-radius: 17px; }
.sh-split-bar span { display: flex; align-items: center; justify-content: center; width: var(--share); padding: 10px; color: #fff; text-align: center; }
.sh-split-bar .central { background: var(--sh-green-dark); }
.sh-split-bar .local { background: var(--sh-blue); }
.sh-split-bar b { font-size: 16px; }
.sh-taipei-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sh-taipei-grid article { padding: 24px; border-radius: 18px; background: #f1f5f1; }
.sh-taipei-grid span { display: block; color: var(--sh-muted); font-size: 14px; }
.sh-taipei-grid strong { display: inline-block; margin-top: 8px; color: var(--sh-green-dark); font-size: 34px; }
.sh-taipei-grid small { margin-left: 5px; color: var(--sh-muted); }
.sh-operating-note, .sh-limit-note { grid-column: 1 / -1; display: grid; grid-template-columns: .65fr 1.35fr; gap: 30px; align-items: center; padding: 24px 28px; border-radius: 20px; color: #fff; background: var(--sh-green-dark); }
.sh-operating-note span { color: #b9ded0; font-size: 13px; font-weight: 900; }
.sh-operating-note strong { display: block; margin-top: 4px; font-size: 20px; }
.sh-operating-note b { font-size: 32px; }
.sh-operating-note p, .sh-limit-note p { margin: 0; color: rgba(255,255,255,.78); line-height: 1.65; }
.sh-demand-visual { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: stretch; }
.sh-demand-unit, .sh-demand-applications { display: flex; flex-direction: column; justify-content: center; min-height: 180px; padding: 24px; border-radius: 20px; text-align: center; }
.sh-demand-unit { color: #fff; background: var(--sh-green); }
.sh-demand-applications { color: #fff; background: var(--sh-coral); }
.sh-demand-visual span { font-size: 14px; font-weight: 700; opacity: .78; }
.sh-demand-visual strong { margin-top: 8px; font-size: 19px; }
.sh-demand-visual b { font-size: 38px; }
.sh-demand-arrow { align-self: center; color: var(--sh-muted); font-size: 13px; font-weight: 900; }
.sh-demand-ratio { grid-column: 1 / -1; display: flex; justify-content: center; gap: 8px; align-items: baseline; padding: 15px; border-radius: 16px; background: #fff1cf; color: #76500b; }
.sh-demand-ratio strong { margin: 0; }
.sh-limit-note { background: #3a4242; }
.sh-limit-note strong { font-size: 19px; }

.sh-definitions { background: var(--sh-paper); }
.sh-definition-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.sh-definition-grid article { min-height: 245px; padding: 25px; border: 1px solid var(--sh-line); border-radius: 21px; background: var(--sh-card); }
.sh-definition-grid article > span { color: var(--sh-coral); font-size: 13px; font-weight: 900; }
.sh-definition-grid h3 { margin: 30px 0 10px; font: 900 25px/1.25 "Noto Serif TC", serif; }
.sh-definition-grid p { margin: 0; color: var(--sh-muted); font-size: 15px; line-height: 1.72; }
.sh-three-tracks { margin-top: 18px; padding: 28px; border-radius: 22px; background: #fff; }
.sh-three-tracks h3 { margin: 0 0 20px; font-size: 20px; }
.sh-three-tracks > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.sh-three-tracks span { padding: 15px 17px; border-radius: 13px; background: #edf3ef; color: var(--sh-muted); font-size: 14px; }
.sh-three-tracks b { display: block; margin-bottom: 4px; color: var(--sh-green-dark); font-size: 17px; }

.sh-responsibility { color: #fff; background: #172d2a; }
.sh-section-head-light .sh-eyebrow { color: #9bc7b8; }
.sh-section-head-light > p:last-child { color: rgba(255,255,255,.65); }
.sh-responsibility-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.sh-responsibility-grid article { padding: clamp(26px, 4vw, 42px); border: 1px solid rgba(255,255,255,.14); border-radius: 25px; background: rgba(255,255,255,.06); }
.sh-role-top { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.sh-role-top span { color: #b9ded0; font-weight: 900; }
.sh-role-top strong { color: #ffe3a0; font-size: 24px; }
.sh-responsibility-grid h3 { margin: 32px 0 20px; font: 900 28px/1.35 "Noto Serif TC", serif; }
.sh-responsibility-grid ul { margin: 0; padding-left: 1.25em; color: rgba(255,255,255,.72); line-height: 1.85; }
.sh-accountability { display: grid; grid-template-columns: .8fr 1.2fr; gap: 26px; align-items: center; margin-top: 18px; padding: 25px 30px; border-radius: 20px; color: var(--sh-ink); background: #ffe3a0; }
.sh-accountability strong { font-size: 20px; }
.sh-accountability p { margin: 0; line-height: 1.65; }

.sh-solutions { background: #fffefa; }
.sh-solution-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.sh-solution-list article { display: grid; grid-template-columns: 55px 1fr; gap: 18px; padding: 27px; border: 1px solid var(--sh-line); border-radius: 20px; background: #fff; }
.sh-solution-list > article > span { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; color: #fff; background: var(--sh-green); font-weight: 900; }
.sh-solution-list h3 { margin: 2px 0 8px; font-size: 21px; }
.sh-solution-list p { margin: 0; color: var(--sh-muted); font-size: 15px; line-height: 1.7; }

.sh-faq { background: #edf3ef; }
.sh-faq-list { display: grid; gap: 10px; }
.sh-faq-list details { border: 1px solid var(--sh-line); border-radius: 17px; background: #fff; overflow: hidden; }
.sh-faq-list summary { display: flex; gap: 15px; align-items: center; padding: 21px 24px; font-size: 18px; font-weight: 900; cursor: pointer; list-style: none; }
.sh-faq-list summary::-webkit-details-marker { display: none; }
.sh-faq-list summary::after { content: "+"; margin-left: auto; color: var(--sh-green); font-size: 26px; }
.sh-faq-list details[open] summary::after { content: "−"; }
.sh-faq-list summary span { color: var(--sh-coral); font-size: 13px; }
.sh-faq-list details p { margin: 0; padding: 0 24px 23px 52px; color: var(--sh-muted); font-size: 16px; line-height: 1.75; }

.sh-sources { background: var(--sh-paper); }
.sh-source-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sh-source-list a { display: grid; grid-template-columns: 105px 1fr; column-gap: 16px; row-gap: 3px; padding: 22px; border: 1px solid var(--sh-line); border-radius: 16px; color: inherit; background: #fff; text-decoration: none; transition: .18s ease; }
.sh-source-list a:hover { transform: translateY(-2px); border-color: var(--sh-green); box-shadow: 0 12px 28px rgba(23,107,91,.09); }
.sh-source-list span { grid-row: 1 / 3; color: var(--sh-green); font-size: 13px; font-weight: 900; }
.sh-source-list strong { font-size: 17px; }
.sh-source-list small { color: var(--sh-muted); line-height: 1.55; }
.sh-downloads { display: flex; gap: 12px; align-items: center; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--sh-line); }
.sh-downloads a { display: flex; align-items: center; gap: 10px; padding: 12px 15px; border-radius: 12px; color: #fff; background: var(--sh-green-dark); text-decoration: none; }
.sh-downloads a span { color: #ffe3a0; font-size: 11px; font-weight: 900; }
.sh-downloads p { margin-left: auto; color: var(--sh-muted); font-size: 13px; }

@media (max-width: 900px) {
  .sh-at-a-glance { grid-template-columns: 1fr; }
  .sh-glance-card { min-height: 0; }
  .sh-view { grid-template-columns: 1fr; }
  .sh-view-copy { position: static; }
  .sh-split, .sh-operating-note, .sh-limit-note, .sh-accountability { grid-template-columns: 1fr; }
  .sh-definition-grid { grid-template-columns: repeat(2, 1fr); }
  .sh-three-tracks > div { grid-template-columns: 1fr; }
  .sh-responsibility-grid, .sh-solution-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .sh-wrap { width: min(100% - 28px, 1160px); }
  .sh-section { padding: 72px 0; scroll-margin-top: 118px; }
  .sh-hero { padding: 40px 0 46px; }
  .sh-back { margin-bottom: 32px; }
  .sh-hero h1 { font-size: clamp(45px, 14vw, 62px); }
  .sh-lead { font-size: 19px; line-height: 1.7; }
  .sh-glance-card { padding: 21px; }
  .sh-glance-card b { font-size: 36px; }
  .sh-hero-answer { grid-template-columns: 1fr; }
  .sh-local-nav { top: 58px; }
  .sh-local-nav-track { justify-content: flex-start; padding-inline: 14px 44px; }
  .sh-local-nav::after { content: ""; position: absolute; top: 0; right: 0; width: 48px; height: 100%; pointer-events: none; background: linear-gradient(90deg, transparent, #fffefa 76%); }
  .sh-section-head { margin-bottom: 28px; }
  .sh-section-head h2 { font-size: 34px; }
  .sh-section-head > p:last-child { font-size: 16px; }
  .sh-tabs { grid-template-columns: 1fr; }
  .sh-tabs button { padding: 13px; }
  .sh-view { gap: 28px; margin-top: 18px; padding: 22px; border-radius: 21px; }
  .sh-view-copy h3 { font-size: 29px; }
  .sh-stage-chart { padding: 20px; }
  .sh-stage-total { align-items: start; flex-direction: column; }
  .sh-stage-total b { font-size: 34px; }
  .sh-split-bar { min-height: 96px; }
  .sh-split-bar b { font-size: 13px; }
  .sh-taipei-grid { grid-template-columns: 1fr; }
  .sh-demand-visual { grid-template-columns: 1fr; }
  .sh-demand-arrow { transform: rotate(90deg); }
  .sh-demand-ratio { grid-column: auto; }
  .sh-demand-unit, .sh-demand-applications { min-height: 140px; }
  .sh-definition-grid { grid-template-columns: 1fr; }
  .sh-definition-grid article { min-height: 0; }
  .sh-definition-grid h3 { margin-top: 20px; }
  .sh-role-top { align-items: start; flex-direction: column; gap: 4px; }
  .sh-source-list { grid-template-columns: 1fr; }
  .sh-source-list a { grid-template-columns: 1fr; }
  .sh-source-list span { grid-row: auto; }
  .sh-downloads { align-items: stretch; flex-direction: column; }
  .sh-downloads p { margin: 5px 0 0; }
  .sh-faq-list summary { align-items: start; font-size: 17px; }
  .sh-faq-list details p { padding-left: 24px; }
}

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