/* 首頁：顏色一律取自 themes.css 的 --site-* 變數，切換風格時只需換變數 */
#home { overflow-y: auto; overflow-x: hidden; background-attachment: fixed; }
#home.show { pointer-events: auto; }
#home::before { display: none; }
#home .logo { left: 3.5%; top: 26px; }
#home .logo h1 { font-size: calc(28px * var(--fs)); color: var(--site-heading); }
#home .logo p { font-family: Georgia, serif; letter-spacing: .18em; color: var(--site-muted); }
#home .logo-frame { fill: var(--site-accent); stroke: var(--site-accent); }
#home .logo-node { stroke: var(--site-accent); }
#home .home-menu { left: auto; right: 3.5%; top: 30px; bottom: auto; transform: none; flex-wrap: nowrap; gap: 30px; }
.home-menu > button { background: var(--site-menu-bg); border: 0; padding: 10px 8px; color: var(--site-ink); font: 700 calc(18px * var(--fs)) var(--site-display); letter-spacing: .12em; cursor: pointer; white-space: nowrap; }
.home-menu > button:hover { color: var(--site-accent); }
.home-menu #account-open { display: inline-flex; align-items: center; gap: 8px; background: var(--site-accent); border: 1px solid var(--site-accent); color: var(--site-accent-ink); padding: 11px 24px; border-radius: 8px; }
.home-menu #account-open .avatar { width: 26px; height: 26px; margin: -6px 0 -6px -12px; font-size: 13px; }
.home-content { width: 88%; max-width: 1500px; margin: 0 auto; padding-top: 190px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; column-gap: 8%; row-gap: 58px; }
.home-intro { align-self: center; }
.home-eyebrow { font: 700 calc(12px * var(--fs)) var(--site-display); letter-spacing: .32em; color: var(--site-accent); margin: 0 0 20px; }
.home-intro h2 { font: 900 calc(clamp(38px, 4.1vw, 66px) * var(--fs))/1.5 var(--site-display); letter-spacing: .04em; margin: 0; color: var(--site-heading); }
.home-intro h2 > span { color: var(--site-accent); }
.home-description { font: 700 calc(17px * var(--fs))/2 var(--site-display); letter-spacing: .1em; color: var(--site-ink-2); margin: 22px 0 28px; }
.home-cta { display: flex; gap: 18px; }
.home-cta .btn { min-width: 168px; width: auto; font-family: var(--site-display); font-size: calc(16px * var(--fs)); border-radius: 4px; padding: 14px 24px; outline: 1px solid var(--site-line); outline-offset: -5px; }
.home-cta .btn-primary { color: var(--site-primary-ink); background: var(--site-primary); border-color: var(--site-primary); box-shadow: 0 7px 14px var(--site-shadow); }
.home-cta .btn-primary:hover { background: var(--site-primary); filter: brightness(1.15); }
.home-cta .btn-primary span { margin-left: 20px; }
.home-cta .btn-outline { color: var(--site-accent); background: var(--site-paper); border-color: var(--site-accent); }
.home-cta .btn-outline:hover { background: var(--site-paper-2); }
.home-footnote { font-size: calc(11px * var(--fs)); letter-spacing: .14em; color: var(--site-muted); margin-top: 22px; }
.home-record { background: var(--site-paper); border: 1px solid var(--site-line); outline: 1px solid var(--site-line-2); outline-offset: -7px; padding: 26px; box-shadow: 0 12px 32px var(--site-shadow); align-self: center; backdrop-filter: var(--site-blur); }
.record-heading { display: flex; justify-content: space-between; align-items: center; color: var(--site-ink); }
.record-heading h3 { font: 700 calc(20px * var(--fs)) var(--site-display); margin: 0; }
.record-heading > span { font-size: calc(10px * var(--fs)); color: var(--site-muted); }
.record-main { display: flex; align-items: baseline; gap: 12px; margin: 22px 0; }
.record-main strong { font: 700 calc(48px * var(--fs)) var(--site-number); color: var(--site-primary-text); }
.record-main > span { font-size: calc(12px * var(--fs)); color: var(--site-muted); }
.record-metrics { display: grid; grid-template-columns: 1fr 1fr; padding-bottom: 22px; border-bottom: 1px solid var(--site-line-2); }
.record-metrics > div { display: grid; gap: 8px; }
.record-metrics > div + div { border-left: 1px solid var(--site-line-2); padding-left: 26px; }
.record-metrics b { font: 700 calc(26px * var(--fs)) var(--site-number); color: var(--site-secondary); }
.record-metrics span { font-size: calc(12px * var(--fs)); color: var(--site-muted); }
.record-message { display: flex; align-items: center; gap: 16px; padding: 12px 0; }
.record-message > span { font: 900 calc(30px * var(--fs)) var(--site-display); color: var(--site-accent); }
.record-message p { font-size: calc(12px * var(--fs)); line-height: 1.9; color: var(--site-muted); }
.home-record > button { background: none; border: 0; border-top: 1px solid var(--site-line-2); padding: 14px 0 0; width: 100%; text-align: left; color: var(--site-accent); cursor: pointer; font: 700 calc(13px * var(--fs)) var(--site-display); }
.home-record > button span { float: right; }
.home-features { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { position: relative; overflow: hidden; min-height: 134px; text-align: left; padding: 22px 24px; border: 1px solid var(--site-line); outline: 1px solid var(--site-card-outline); outline-offset: -6px; border-radius: 8px; color: var(--site-card-ink); cursor: pointer; box-shadow: 0 6px 14px var(--site-shadow); transition: transform .2s; }
.feature-card:hover { transform: translateY(-4px); }
.feature-blue { background: var(--site-card-1); }.feature-green { background: var(--site-card-2); }.feature-red { background: var(--site-card-3); }
.feature-card small { display: block; font-size: calc(10px * var(--fs)); letter-spacing: .2em; color: var(--site-card-sub); }
.feature-card strong { display: block; font: 700 calc(clamp(19px, 1.9vw, 29px) * var(--fs)) var(--site-display); margin: 10px 0; position: relative; z-index: 1; }
.feature-card > span { font-size: calc(11px * var(--fs)); letter-spacing: .08em; }
.feature-card i { position: absolute; right: 14px; top: 30px; color: var(--site-card-ink); opacity: .13; font: 900 70px var(--serif); transform: rotate(-12deg); }
#home .home-icons { position: static; width: fit-content; margin: 30px auto 18px; background: var(--site-menu-bg); border: 0; gap: 14px; padding: 0; }
#home .home-icons button { flex-direction: row; font-size: calc(11px * var(--fs)); color: var(--site-ink-2); font-family: var(--site-display); }
#home .home-icons button:hover { color: var(--site-accent); background: transparent; }
#home .home-icons svg { width: 15px; height: 15px; }
#home button:focus-visible { outline-color: var(--site-accent); }
.home-modal { background: var(--site-dialog); border-color: var(--site-line); color: var(--site-ink); }
.home-modal .prose { color: var(--site-ink-2); }
.home-modal h3 { color: var(--site-muted); }
.home-modal .btn-primary { background: var(--site-primary); color: var(--site-primary-ink); box-shadow: none; }
.home-modal .btn-ghost { color: var(--site-ink-2); border-color: var(--site-line); }
.home-modal .rule-table b { color: var(--site-danger); }
.room-form { display: grid; gap: 14px; }
.room-form label { display: grid; gap: 6px; font-size: calc(14px * var(--fs)); }
.room-form input, .room-form select { padding: 10px; border: 1px solid var(--site-line); background: var(--site-input); color: var(--site-ink); font: inherit; width: 100%; }
.room-notice { font-size: calc(12px * var(--fs)); line-height: 1.8; color: var(--site-muted); }
.room-form button:disabled { opacity: .5; cursor: not-allowed; }
.ranking-empty { text-align: center; padding: 22px; color: var(--site-accent); font-family: var(--site-display); }
.ranking-empty > span { font-size: 42px; }
@media (min-width: 1600px) { .home-content { padding-top: 22vh; } }
@media (max-width: 1050px) { .home-content { width: 90%; grid-template-columns: minmax(0,1fr) 260px; gap: 36px; padding-top: 160px; }.home-intro h2 { font-size: calc(40px * var(--fs)); }.home-menu > button { font-size: calc(16px * var(--fs)); }#home .home-menu { gap: 12px; }.home-record { padding: 22px; } }
@media (max-width: 760px) {
 #home .logo { left: 22px; top: 22px; } #home .logo h1 { font-size: calc(24px * var(--fs)); } #home .logo-mark { width: 46px; height: 46px; }
 #home .home-menu { top: 104px; left: 20px; right: 20px; justify-content: space-between; gap: 6px; }
 .home-menu > button { font-size: calc(15px * var(--fs)); padding: 10px 8px; }.home-menu #account-open { padding: 10px 16px; }
 .home-content { padding-top: 202px; grid-template-columns: 1fr; gap: 32px; width: calc(100% - 44px); }
 .home-intro h2 { font-size: calc(clamp(31px, 7vw, 44px) * var(--fs)); }.home-description { font-size: calc(15px * var(--fs)); }.home-cta { gap: 12px; }.home-cta .btn { flex: 1; min-width: 0; padding: 14px 12px; font-size: calc(14px * var(--fs)); }.home-cta .btn-primary span { margin-left: 6px; }
 .home-record { width: 100%; }.home-features { grid-template-columns: 1fr; gap: 14px; }.feature-card { min-height: 120px; }.feature-card strong { font-size: calc(26px * var(--fs)); }
 #home .home-icons { gap: 0; } #home .home-icons button { padding: 8px 10px; }
}
@media (prefers-reduced-motion: reduce) { .feature-card { transition: none; } }

#home .logo h1 { font-family: var(--site-logo); letter-spacing: -.035em; font-weight: 700; }
#home .logo p { font-family: var(--site-display); letter-spacing: .15em; }