:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif; color: #17283c; background: #f6f7f5; font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(ellipse at 87% 19%, #e8f0f1 0, transparent 40%), #f6f7f5; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a, input { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #be8e78; outline-offset: 4px; }
.home-shell { width: min(1200px, 100%); margin: 0 auto; padding: 0 44px; }
.skip-link { position: fixed; top: 8px; left: 8px; padding: 12px 18px; z-index: 10; background: #214760; color: #fff; border-radius: 6px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.home-header { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid #dbe1e2; }
.home-brand { display: flex; align-items: center; gap: 11px; font-size: 25px; font-weight: 800; letter-spacing: -.06em; }
.home-brand-mark { width: 41px; height: 41px; display: grid; place-items: center; border: 1.5px solid #214760; border-radius: 10px 12px 9px 11px; background: #e9f0f1; color: #214760; transform: rotate(-2deg); }
.home-brand-mark svg { width: 29px; height: 29px; }
.brand-sub { display: block; margin-top: 2px; color: #7a8993; font-size: 9px; font-weight: 500; letter-spacing: .08em; }
nav { display: flex; align-items: center; gap: 30px; font-size: 12px; font-weight: 600; }
.nav-how { color: #647583; }
.nav-admin { display: flex; align-items: center; gap: 16px; border: 1px solid #b6c5ce; padding: 11px 16px; border-radius: 6px; }
.nav-admin:hover { background: #e9f0f1; }
.home-hero { display: grid; grid-template-columns: minmax(0, 1.26fr) minmax(300px, .94fr); align-items: center; gap: 20px; padding: 65px 0 63px; }
.hero-kicker { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; color: #477a7d; font-size: 12px; font-weight: 600; letter-spacing: .09em; }
.hero-kicker > span { width: 7px; height: 7px; border-radius: 50%; background: #528b83; box-shadow: 0 0 0 4px #e2eeea; }
h1 { font-size: clamp(37px, 4.65vw, 59px); letter-spacing: -.065em; line-height: 1.3; margin: 0; font-weight: 800; }
.sketch-underline { display: inline-block; position: relative; color: #356f88; }
.sketch-underline svg { position: absolute; width: 94%; height: 11px; bottom: -8px; left: 1%; stroke: #be8e78; stroke-width: 1.6; fill: none; stroke-linecap: round; }
.hero-description { max-width: 440px; color: #637584; font-size: 14px; line-height: 1.95; margin: 29px 0 25px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 23px; min-height: 48px; padding: 12px 21px; border: 1px solid transparent; border-radius: 7px; font-size: 13px; line-height: 1.4; font-weight: 650; cursor: pointer; transition: background .16s ease, transform .16s ease; }
.button-primary { color: #fff; background: #214760; border-color: #214760; }
.button-primary:hover { background: #31647e; transform: translateY(-1px); }
.button-quiet { color: #4f6776; border-color: #c6d1d7; background: #f8faf9; }
.button-quiet:hover { background: #e9f0f1; }
.hero-traits { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 24px; color: #748590; font-size: 10px; }
.hero-traits span { display: inline-flex; gap: 6px; align-items: center; }
.hero-traits svg { width: 15px; height: 15px; stroke: #53867c; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hero-visual { min-height: 370px; position: relative; display: grid; place-items: center; }
.art-circle { position: absolute; top: 37px; width: 295px; height: 295px; border-radius: 50%; background: #e4edef; }
.art-outline { position: absolute; top: 23px; width: 317px; height: 307px; border: 1px solid #c4d4db; border-radius: 47% 53% 50% 46%; transform: rotate(-13deg); }
.ballot-art { position: relative; width: min(390px, 100%); height: auto; object-fit: contain; filter: drop-shadow(0 13px 13px #1a2f4410); }
.art-note { position: absolute; bottom: 23px; left: 0; display: flex; align-items: center; gap: 12px; background: #ffffffed; border: 1px solid #d7e1e5; border-radius: 8px 10px 7px 9px; padding: 14px 19px 14px 14px; box-shadow: 0 7px 24px #223c4d09; transform: rotate(-3deg); }
.art-note svg { width: 35px; height: 35px; stroke: #447e89; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.art-note span { font-size: 11px; color: #6a7c87; line-height: 1.7; }
.art-note strong { display: block; color: #294b60; font-size: 13px; font-weight: 650; }
.art-caption { position: absolute; right: 0; bottom: 2px; font-size: 9px; letter-spacing: .07em; color: #8c9aa1; }
.join-panel { display: grid; grid-template-columns: 1fr 1.22fr; gap: 34px; padding: 31px 33px 27px; background: #fff; border: 1px solid #d5dfe2; border-radius: 13px 15px 12px 14px; box-shadow: 0 10px 40px #223c4d04; scroll-margin-top: 24px; }
.section-marker { display: block; color: #477b87; font-size: 10px; font-weight: 700; letter-spacing: .12em; }
h2 { font-size: 21px; line-height: 1.5; letter-spacing: -.04em; margin: 8px 0; }
.join-heading p { margin: 6px 0 0; color: #81909b; font-size: 11px; line-height: 1.8; }
.join-form label { display: block; color: #546b7b; font-size: 10px; font-weight: 600; margin-bottom: 8px; }
.join-controls { display: flex; gap: 9px; }
.join-controls input { min-width: 0; flex: 1; background: #f7f9f9; color: #243e51; border: 1px solid #c9d6dc; border-radius: 6px; padding: 12px 13px; font-size: 12px; }
.join-controls input::placeholder { color: #99a5ad; font-size: 11px; }
.join-controls input[aria-invalid="true"] { border-color: #b65a4c; }
.join-controls .button { flex: 0 0 auto; padding: 12px 16px; gap: 13px; }
.join-message { margin: 8px 0 0; min-height: 18px; color: #89969f; font-size: 10px; line-height: 1.7; }
.join-message.is-error { color: #a5473d; }
.how-section { padding: 67px 0 0; scroll-margin-top: 25px; }
.section-title { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.section-title h2 { margin: 9px 0 0; font-size: 25px; }
.section-title > p { margin: 0 0 4px; font-size: 11px; color: #87949c; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step-card { border-top: 1px solid #ccd8dd; padding: 20px 2px 0; }
.step-top { display: flex; justify-content: space-between; align-items: center; }
.step-number { font-size: 11px; font-weight: 650; color: #92a1a9; letter-spacing: .1em; }
.step-top svg { width: 47px; height: 47px; stroke: #477b87; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transform: rotate(-3deg); }
.step-card h3 { font-size: 16px; letter-spacing: -.025em; margin: 15px 0 10px; }
.step-card p { font-size: 12px; line-height: 1.9; color: #798b96; margin: 0; max-width: 285px; }
.participation-note { display: flex; gap: 15px; padding: 23px 25px; margin-top: 42px; border-radius: 8px; background: #eaf0ef; }
.participation-note > svg { width: 27px; height: 27px; flex: 0 0 auto; stroke: #698b86; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.participation-note h2 { color: #466c68; margin: 0 0 4px; font-size: 12px; font-weight: 700; letter-spacing: 0; }
.participation-note p { margin: 0; color: #7d918e; font-size: 10px; line-height: 1.85; max-width: 880px; }
.home-footer { display: flex; align-items: center; gap: 22px; margin-top: 48px; border-top: 1px solid #dbe1e2; padding: 25px 0 28px; font-size: 10px; color: #8b98a0; }
.footer-brand { color: #526b7b; font-weight: 750; font-size: 15px; letter-spacing: -.05em; }
.home-footer p { margin: 0; line-height: 1.7; }
.home-footer p a { color: #607f8b; }
.home-footer p a:hover { text-decoration: underline; }
.footer-admin { margin-left: auto; white-space: nowrap; }
@media (min-width: 1500px) { .home-hero { padding-top: 80px; padding-bottom: 80px; } }
@media (max-width: 950px) { .home-shell { padding: 0 28px; } .home-hero { grid-template-columns: 1.15fr .85fr; gap: 0; padding: 52px 0; } h1 { font-size: 43px; } .hero-visual { min-height: 320px; } .art-circle { width: 240px; height: 240px; } .art-outline { width: 258px; height: 250px; } .art-note { bottom: 8px; left: -6px; } .art-caption { display: none; } .join-panel { grid-template-columns: 1fr 1.2fr; gap: 25px; padding: 25px; } .join-heading h2 { font-size: 18px; } .join-controls { flex-wrap: wrap; } .join-controls input { flex-basis: 100%; } .join-controls .button { width: 100%; min-height: 42px; padding: 9px 14px; } .steps-grid { gap: 21px; } }
@media (max-width: 700px) { .home-shell { padding: 0 21px; } .home-header { min-height: 80px; } .home-brand { font-size: 23px; } .home-brand-mark { width: 36px; height: 36px; } nav { gap: 15px; font-size: 11px; } .nav-admin { padding: 10px 12px; gap: 11px; } .home-hero { grid-template-columns: 1fr; padding: 43px 0 30px; } h1 { font-size: clamp(35px, 8vw, 52px); } .hero-kicker { margin-bottom: 20px; font-size: 11px; } .hero-description { font-size: 13px; max-width: 410px; } .hero-visual { display: none; } .hero-traits { gap: 13px; font-size: 9px; } .join-panel { grid-template-columns: 1fr; gap: 22px; padding: 23px 21px; } .join-heading h2 { font-size: 20px; } .join-controls { flex-wrap: nowrap; } .join-controls input { flex-basis: auto; width: 100%; } .join-controls .button { width: auto; min-height: 48px; font-size: 12px; gap: 9px; } .how-section { padding-top: 42px; } .section-title { align-items: start; flex-direction: column; gap: 8px; } .section-title h2 { font-size: 22px; } .steps-grid { grid-template-columns: 1fr; gap: 21px; } .step-card { display: grid; grid-template-columns: 55px 1fr; column-gap: 18px; padding-top: 19px; } .step-top { grid-row: span 2; display: flex; flex-direction: column; align-items: start; justify-content: start; gap: 12px; } .step-top svg { width: 38px; height: 38px; } .step-card h3 { margin: 0 0 7px; font-size: 15px; } .step-card p { max-width: none; font-size: 11px; } .participation-note { margin-top: 31px; padding: 20px 18px; gap: 12px; } .home-footer { gap: 15px; flex-wrap: wrap; margin-top: 31px; padding: 24px 0; } .home-footer p { flex-basis: calc(100% - 70px); font-size: 9px; } .footer-admin { margin-left: 0; font-size: 10px; } }
@media (max-width: 380px) { .nav-how { display: none; } h1 { font-size: 35px; } .hero-actions { gap: 8px; } .button { gap: 14px; padding: 12px 16px; font-size: 12px; } .join-controls { flex-wrap: wrap; } .join-controls .button { width: 100%; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; } }