body {
    background-color: #f5f7fa;
}

.card {
    border: none;
}

/* ==========================================================================
   首頁（index.php）editorial / magazine 風格設計
   下列規則皆以獨立的 home-* class 命名，僅作用於首頁，不影響其他頁面樣式
   ========================================================================== */

body.home-page {
    --home-bg: #faf6ee;
    --home-text: #1a1a1a;
    --home-muted: #85806f;
    --home-line: #ddd5c3;
    --home-orange: #efb27f;
    --home-pink: #eda8a3;
    --home-yellow: #f2d08a;
    --home-green: #b6d2a3;

    background-color: var(--home-bg);
    color: var(--home-text);
    font-family: 'Noto Sans TC', sans-serif;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

body.home-page a {
    color: inherit;
    text-decoration: none;
}

body.home-page .home-eyebrow {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.8rem;
    color: var(--home-muted);
    margin-bottom: 0.75rem;
}

/* ---------- Header ---------- */

body.home-page .home-header {
    border-bottom: 1px solid var(--home-line);
    background-color: var(--home-bg);
    position: sticky;
    top: 0;
    z-index: 40;
}

body.home-page .home-header__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

body.home-page .home-header__brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

body.home-page .home-header__brand-sub {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.65rem;
    letter-spacing: 0.22em;
    color: var(--home-muted);
}

body.home-page .home-header__brand-main {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.4rem;
    font-weight: 600;
}

body.home-page .home-header__nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.5rem;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
}

body.home-page .home-header__nav a {
    position: relative;
    padding-bottom: 0.25rem;
    transition: color 0.2s ease;
}

body.home-page .home-header__nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

body.home-page .home-header__nav a:hover::after {
    width: 100%;
}

body.home-page .home-header__nav a.is-active {
    color: var(--home-text);
    font-weight: 600;
}

body.home-page .home-header__nav a.is-active::after {
    width: 100%;
}

body.home-page .home-header__nav-login {
    display: none;
}

body.home-page .home-header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

body.home-page .home-icon-btn {
    background: none;
    border: none;
    color: var(--home-text);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    cursor: pointer;
    transition: opacity 0.2s ease;
}

body.home-page .home-icon-btn:hover {
    opacity: 0.6;
}

body.home-page .home-header__login {
    font-size: 0.9rem;
    border-bottom: 1px solid var(--home-text);
    padding-bottom: 2px;
}

body.home-page .home-nav-toggle {
    display: none;
}

/* ---------- Hero ---------- */

body.home-page .home-hero {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
    padding: 5rem 1.5rem 6rem;
    overflow: hidden;
}

body.home-page .home-hero__deco {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

body.home-page .home-hero__blob {
    position: absolute;
    top: -10%;
    right: -8%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--home-yellow) 0%, var(--home-orange) 45%, var(--home-pink) 75%, transparent 100%);
    opacity: 0.55;
    filter: blur(6px);
    animation: home-float 14s ease-in-out infinite;
}

body.home-page .home-hero__circle {
    position: absolute;
    border-radius: 50%;
}

body.home-page .home-hero__circle--1 {
    width: 90px;
    height: 90px;
    right: 18%;
    top: 8%;
    background: var(--home-green);
    opacity: 0.5;
    animation: home-float 10s ease-in-out infinite;
}

body.home-page .home-hero__circle--2 {
    width: 46px;
    height: 46px;
    right: 6%;
    top: 55%;
    background: var(--home-pink);
    opacity: 0.6;
    animation: home-float 8s ease-in-out infinite reverse;
}

body.home-page .home-hero__circle--3 {
    width: 22px;
    height: 22px;
    right: 32%;
    top: 68%;
    background: var(--home-orange);
    opacity: 0.7;
    animation: home-float 12s ease-in-out infinite;
}

body.home-page .home-hero__ring {
    position: absolute;
    width: 260px;
    height: 260px;
    right: 4%;
    top: 20%;
    border: 1px solid var(--home-line);
    border-radius: 50%;
    animation: home-float 16s ease-in-out infinite;
}

body.home-page .home-hero__lineart {
    position: absolute;
    width: 220px;
    height: 220px;
    right: 8%;
    top: 12%;
    color: var(--home-text);
    opacity: 0.55;
}

body.home-page .home-hero__content {
    position: relative;
    z-index: 1;
    max-width: 620px;
    opacity: 0;
    transform: translateY(16px);
    animation: home-fade-up 0.9s ease forwards;
}

body.home-page .home-hero__title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    line-height: 1.35;
    font-weight: 600;
    margin-bottom: 1rem;
}

body.home-page .home-hero__accent {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.05em;
    color: var(--home-muted);
    margin-bottom: 1.5rem;
}

body.home-page .home-hero__accent span {
    margin-left: 0.5rem;
}

body.home-page .home-hero__desc {
    font-size: 0.98rem;
    line-height: 1.9;
    color: var(--home-muted);
    margin-bottom: 2.25rem;
    max-width: 520px;
}

body.home-page .home-hero__desc p {
    margin: 0 0 0.85rem;
}

body.home-page .home-hero__desc p:last-child {
    margin-bottom: 0;
}

body.home-page .home-hero__cta {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    flex-wrap: wrap;
}

body.home-page .home-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

body.home-page .home-btn--primary {
    background: var(--home-text);
    color: var(--home-bg);
    padding: 0.85rem 2rem;
    border-radius: 999px;
}

body.home-page .home-btn--primary:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

body.home-page .home-btn--admin {
    background: var(--home-orange);
    color: var(--home-text);
    padding: 0.85rem 2rem;
    border-radius: 999px;
    font-weight: 600;
}

body.home-page .home-btn--admin:hover {
    transform: translateY(-2px);
    opacity: 0.85;
}

body.home-page .home-btn--text {
    border-bottom: 1px solid var(--home-text);
    padding-bottom: 3px;
}

body.home-page .home-btn--text:hover {
    transform: translateX(3px);
}

/* ---------- Section 共用 ---------- */

body.home-page .home-section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

body.home-page .home-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

body.home-page .home-section--muted {
    background-color: #f2ede1;
}

body.home-page .home-section__head {
    margin-bottom: 2.5rem;
}

body.home-page .home-section__title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    font-weight: 600;
}

/* ---------- 競賽資訊列表 ---------- */

body.home-page .home-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.home-page .home-list__row {
    display: grid;
    grid-template-columns: 70px 200px 1fr;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.6rem 0;
    border-top: 1px solid var(--home-line);
}

body.home-page .home-list__row:last-child {
    border-bottom: 1px solid var(--home-line);
}

body.home-page .home-list__num {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    color: var(--home-muted);
}

body.home-page .home-list__label {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.1rem;
}

body.home-page .home-list__value {
    color: var(--home-muted);
    letter-spacing: 0.02em;
}

/* ---------- 最新消息 ---------- */

body.home-page .home-news {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.home-page .home-news__row {
    display: grid;
    grid-template-columns: 160px 1fr;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1.4rem 0;
    border-top: 1px solid var(--home-line);
    transition: opacity 0.2s ease;
}

body.home-page .home-news__row:last-child {
    border-bottom: 1px solid var(--home-line);
}

body.home-page .home-news__row:hover {
    opacity: 0.6;
}

body.home-page .home-news__date {
    color: var(--home-muted);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

body.home-page .home-news__title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.02rem;
}

body.home-page .home-news__note {
    display: block;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 0.88rem;
    color: var(--home-muted);
    margin-top: 0.3rem;
    line-height: 1.7;
}

/* ---------- 目前活動階段 ---------- */

body.home-page .home-current-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem 5rem;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

body.home-page .home-current-wrap.is-visible {
    opacity: 1;
    transform: translateY(0);
}

body.home-page .home-current {
    max-width: 640px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--home-line);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(26, 26, 26, 0.05);
    padding: 3rem 2.5rem;
    text-align: center;
}

body.home-page .home-current__eyebrow {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--home-muted);
    margin-bottom: 1rem;
}

body.home-page .home-current__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 1.1rem;
    border-radius: 999px;
    background: var(--home-yellow);
    color: var(--home-text);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: 1.5rem;
}

body.home-page .home-current__badge--final {
    background: var(--home-orange);
}

body.home-page .home-current__badge--done {
    background: var(--home-green);
}

body.home-page .home-current__title {
    font-family: 'Shippori Mincho', serif;
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

body.home-page .home-current__date {
    color: var(--home-muted);
    letter-spacing: 0.03em;
    margin-bottom: 1.5rem;
}

body.home-page .home-current__countdown {
    font-size: 0.95rem;
    color: var(--home-text);
    margin-bottom: 2rem;
}

body.home-page .home-current__countdown span {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--home-text);
    margin: 0 0.15rem;
}

body.home-page .home-current__note {
    color: var(--home-muted);
    margin-bottom: 0;
}

body.home-page .home-current__cta {
    margin-top: 0.5rem;
}

/* ---------- 活動時程 Timeline ---------- */

body.home-page .home-timeline {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.home-page .home-timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: 116px 24px 1fr;
    grid-template-areas: "date dot content";
    column-gap: 1.25rem;
    padding-bottom: 2rem;
}

body.home-page .home-timeline__item:last-child {
    padding-bottom: 0;
}

body.home-page .home-timeline__item:not(:last-child)::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: calc(116px + 1.25rem + 12px - 0.5px);
    width: 1px;
    background: var(--home-line);
}

body.home-page .home-timeline__date {
    grid-area: date;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--home-muted);
    text-align: right;
    padding-top: 0.05rem;
}

body.home-page .home-timeline__dot {
    grid-area: dot;
    position: relative;
    z-index: 1;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--home-bg);
    border: 2px solid var(--home-line);
    justify-self: center;
    margin-top: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    line-height: 1;
    color: #fff;
}

body.home-page .home-timeline__content {
    grid-area: content;
    display: flex;
    flex-direction: column;
}

body.home-page .home-timeline__title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.02rem;
}

body.home-page .home-timeline__tag {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.1rem 0.6rem;
    border-radius: 999px;
    background: var(--home-yellow);
    color: var(--home-text);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    vertical-align: middle;
}

body.home-page .home-timeline__note {
    display: block;
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 0.88rem;
    color: var(--home-muted);
    margin-top: 0.3rem;
    line-height: 1.7;
}

body.home-page .home-timeline__item--past .home-timeline__dot {
    background: var(--home-muted);
    border-color: var(--home-muted);
}

body.home-page .home-timeline__item--past .home-timeline__date,
body.home-page .home-timeline__item--past .home-timeline__title {
    color: var(--home-muted);
    opacity: 0.7;
}

body.home-page .home-timeline__item--current .home-timeline__dot {
    width: 16px;
    height: 16px;
    background: var(--home-yellow);
    border-color: var(--home-yellow);
    box-shadow: 0 0 0 4px rgba(242, 208, 138, 0.35);
}

body.home-page .home-timeline__item--current .home-timeline__date,
body.home-page .home-timeline__item--current .home-timeline__title {
    color: var(--home-text);
    font-weight: 600;
}

/* ---------- 公告 ---------- */

body.home-page .home-announce {
    list-style: none;
    margin: 0;
    padding: 0;
}

body.home-page .home-announce__row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 1.5rem;
    padding: 1.4rem 0;
    border-top: 1px solid var(--home-line);
}

body.home-page .home-announce__row:last-child {
    border-bottom: 1px solid var(--home-line);
}

body.home-page .home-announce__date {
    color: var(--home-muted);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

body.home-page .home-announce__title {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.05rem;
    margin-bottom: 0.4rem;
}

body.home-page .home-announce__content {
    color: var(--home-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 0;
}

/* ---------- 參賽流程 ---------- */

body.home-page .home-steps {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    margin: 0;
    padding: 0;
}

body.home-page .home-steps::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 22px;
    right: 22px;
    height: 1px;
    background: var(--home-line);
    z-index: 0;
}

body.home-page .home-steps__item {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    flex: 1;
    text-align: center;
}

body.home-page .home-steps__num {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--home-text);
    background: var(--home-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
}

body.home-page .home-steps__label {
    font-size: 0.9rem;
    color: var(--home-muted);
}

/* ---------- 閱讀主題區 ---------- */

body.home-page .home-quote {
    position: relative;
    max-width: 1180px;
    margin: 0 auto;
    padding: 7rem 1.5rem;
    text-align: center;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

body.home-page .home-quote.is-visible {
    opacity: 1;
    transform: translateY(0);
}

body.home-page .home-quote__deco {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 520px;
    height: 520px;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, var(--home-yellow) 0%, var(--home-pink) 55%, transparent 80%);
    opacity: 0.25;
    z-index: 0;
}

body.home-page .home-quote__en {
    position: relative;
    z-index: 1;
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: clamp(2.2rem, 6vw, 4rem);
    line-height: 1.25;
    margin-bottom: 1.5rem;
}

body.home-page .home-quote__zh {
    position: relative;
    z-index: 1;
    font-family: 'Shippori Mincho', serif;
    font-size: 1.1rem;
    color: var(--home-muted);
}

/* ---------- Footer ---------- */

body.home-page .home-footer {
    border-top: 1px solid var(--home-line);
    padding: 2.5rem 1.5rem;
}

body.home-page .home-footer__top {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 1.5rem;
}

body.home-page .home-footer__brand {
    font-family: 'Shippori Mincho', serif;
    font-size: 1.1rem;
}

body.home-page .home-footer__nav {
    display: flex;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--home-muted);
    flex-wrap: wrap;
}

body.home-page .home-footer__login {
    font-size: 0.85rem;
    border-bottom: 1px solid var(--home-text);
    padding-bottom: 2px;
}

body.home-page .home-footer__bottom {
    max-width: 1180px;
    margin: 0 auto;
    text-align: center;
    font-size: 0.75rem;
    color: var(--home-muted);
    letter-spacing: 0.03em;
}

/* ---------- 動畫 ---------- */

@keyframes home-fade-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes home-float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, 14px); }
}

@media (prefers-reduced-motion: reduce) {
    body.home-page .home-hero__blob,
    body.home-page .home-hero__circle,
    body.home-page .home-hero__ring {
        animation: none;
    }
}

/* ---------- RWD ---------- */

@media (max-width: 900px) {
    body.home-page .home-list__row,
    body.home-page .home-news__row,
    body.home-page .home-announce__row {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }
}


/* ==========================================================================
   其他頁面（登入／註冊／競賽辦法／學生／管理後台等）套用首頁 editorial 風格
   透過 includes/header.php、footer.php 共用，body 一併加上 home-page class
   下列規則負責把 Bootstrap 元件（card / btn / form / table / alert…）
   融入首頁的配色與字體，僅在 body.home-page 範圍內生效
   ========================================================================== */

body.home-page .home-header__welcome {
    font-size: 0.85rem;
    color: var(--home-muted);
}

body.home-page .home-header__login--ghost {
    border-bottom: none;
    color: var(--home-muted);
}

body.home-page .home-header__login--ghost:hover {
    color: var(--home-text);
}

/* ---------- 管理後台子導覽 ---------- */

body.home-page .home-subnav {
    border-bottom: 1px solid var(--home-line);
    background-color: var(--home-bg);
}

body.home-page .home-subnav__inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
}

body.home-page .home-subnav__link {
    display: inline-block;
    padding: 0.9rem 0;
    font-size: 0.88rem;
    color: var(--home-muted);
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
}

body.home-page .home-subnav__link:hover {
    color: var(--home-text);
}

body.home-page .home-subnav__link.is-active {
    color: var(--home-text);
    font-weight: 600;
    border-bottom-color: var(--home-text);
}

/* ---------- 內頁標題字體 ---------- */

body.home-page--app h1,
body.home-page--app h2,
body.home-page--app h3,
body.home-page--app h4,
body.home-page--app h5 {
    font-family: 'Shippori Mincho', serif;
}

/* ---------- 白色圓角方塊（內頁內容區塊） ---------- */

body.home-page--app .home-panel {
    background-color: #fff;
    border: 1px solid var(--home-line);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 2px 12px rgba(26, 26, 26, 0.05);
}

body.home-page--app .rules-body {
    line-height: 1.9;
    color: var(--home-text);
}

body.home-page--app .rules-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

/* ---------- 卡片 ---------- */

body.home-page--app .card {
    border: 1px solid var(--home-line);
    border-radius: 8px;
    box-shadow: none;
}

/* ---------- 按鈕 ---------- */

body.home-page--app .btn {
    border-radius: 999px;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    box-shadow: none;
    transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

body.home-page--app .btn:hover {
    transform: translateY(-1px);
}

body.home-page--app .btn-primary {
    background-color: var(--home-text);
    border-color: var(--home-text);
    color: var(--home-bg);
}

body.home-page--app .btn-primary:hover {
    background-color: var(--home-text);
    border-color: var(--home-text);
    opacity: 0.85;
}

/* 後台操作按鈕（查看／審核／接受／退回／刪除…）：滑鼠移上去從右下角擴散填色，
   每種語意各自一個顏色，跟 badge（text-bg-success／text-bg-danger…）的用色呼應 */
body.home-page--app .btn-outline-primary,
body.home-page--app .btn-outline-secondary,
body.home-page--app .btn-outline-success,
body.home-page--app .btn-outline-warning,
body.home-page--app .btn-outline-danger {
    position: relative;
    z-index: 1;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 8px var(--btn-shadow, rgba(26, 26, 26, 0.12));
    transition: color 0.4s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

body.home-page--app .btn-outline-primary::before,
body.home-page--app .btn-outline-secondary::before,
body.home-page--app .btn-outline-success::before,
body.home-page--app .btn-outline-warning::before,
body.home-page--app .btn-outline-danger::before {
    content: '';
    position: absolute;
    z-index: -1;
    top: 100%;
    left: 100%;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: var(--btn-fill);
    transition: all 0.5s ease;
}

body.home-page--app .btn-outline-primary:hover::before,
body.home-page--app .btn-outline-secondary:hover::before,
body.home-page--app .btn-outline-success:hover::before,
body.home-page--app .btn-outline-warning:hover::before,
body.home-page--app .btn-outline-danger:hover::before {
    top: -60px;
    left: -60px;
}

body.home-page--app .btn-outline-primary:hover,
body.home-page--app .btn-outline-secondary:hover,
body.home-page--app .btn-outline-success:hover,
body.home-page--app .btn-outline-warning:hover,
body.home-page--app .btn-outline-danger:hover {
    color: #fff;
    box-shadow: 0 4px 14px var(--btn-shadow, rgba(26, 26, 26, 0.22));
}

body.home-page--app .btn-outline-primary {
    --btn-fill: #2f6f92;
    --btn-shadow: rgba(47, 111, 146, 0.3);
    color: #2f6f92;
    border-color: rgba(47, 111, 146, 0.35);
}

body.home-page--app .btn-outline-secondary {
    --btn-fill: #6f42c1;
    --btn-shadow: rgba(111, 66, 193, 0.3);
    color: #6f42c1;
    border-color: rgba(111, 66, 193, 0.35);
}

body.home-page--app .btn-outline-success {
    --btn-fill: #237346;
    --btn-shadow: rgba(35, 115, 70, 0.3);
    color: #237346;
    border-color: rgba(35, 115, 70, 0.35);
}

body.home-page--app .btn-outline-warning {
    --btn-fill: #8a6400;
    --btn-shadow: rgba(138, 100, 0, 0.3);
    color: #8a6400;
    border-color: rgba(138, 100, 0, 0.35);
}

body.home-page--app .btn-outline-danger {
    --btn-fill: #c8553d;
    --btn-shadow: rgba(200, 85, 61, 0.3);
    color: #c8553d;
    border-color: rgba(200, 85, 61, 0.35);
}

/* ---------- 表單 ---------- */

body.home-page--app .form-label {
    font-size: 0.85rem;
    color: var(--home-muted);
    letter-spacing: 0.02em;
}

body.home-page--app .form-control,
body.home-page--app .form-select {
    border-color: var(--home-line);
    border-radius: 6px;
    background-color: var(--home-bg);
    color: var(--home-text);
}

body.home-page--app .form-control:focus,
body.home-page--app .form-select:focus {
    border-color: var(--home-text);
    box-shadow: 0 0 0 0.15rem rgba(26, 26, 26, 0.08);
    background-color: var(--home-bg);
    color: var(--home-text);
}

/* ---------- 提示訊息 ---------- */

body.home-page--app .alert {
    border-radius: 6px;
    font-size: 0.9rem;
}

body.home-page--app .alert-success {
    background-color: rgba(182, 210, 163, 0.35);
    border-color: rgba(182, 210, 163, 0.6);
    color: #3f5c2f;
}

body.home-page--app .alert-danger {
    background-color: rgba(237, 168, 163, 0.3);
    border-color: rgba(237, 168, 163, 0.55);
    color: #7a2e28;
}

body.home-page--app .alert-secondary {
    background-color: #f2ede1;
    border-color: var(--home-line);
    color: var(--home-muted);
}

/* ---------- 表格 ---------- */

body.home-page--app .table {
    color: var(--home-text);
}

body.home-page--app .table th,
body.home-page--app .table td {
    border-color: var(--home-line);
}

body.home-page--app .table th {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--home-muted);
}

body.home-page--app .table-light,
body.home-page--app thead.table-light th {
    background-color: #f2ede1;
    color: var(--home-muted);
}

/* ---------- 徽章 ---------- */

body.home-page--app .badge {
    border-radius: 999px;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   隊伍隨機頭像
   建立隊伍時由後端隨機指派一張，永久綁定，圖檔放在 assets/images/team_avatars/
   ========================================================================== */

.team-avatar {
    display: inline-block;
    flex-shrink: 0;
    box-sizing: border-box;
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
    background: linear-gradient(135deg, #FEFFC4 0%, #FFDE63 45%, #FFBC4C 100%);
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 2px #799EFF33, 0 2px 6px rgba(26, 26, 26, 0.12);
    padding: 3px;
}

.team-avatar--sm {
    width: 32px;
    height: 32px;
    padding: 2px;
}

.team-avatar--lg {
    width: 80px;
    height: 80px;
    padding: 6px;
}

/* ---------- 強調連結（例如登入／註冊頁互相切換的連結） ---------- */

.link-accent {
    color: #4C7CF2;
    font-weight: 600;
    text-decoration: none;
}

.link-accent:hover {
    color: #3763d1;
    text-decoration: underline;
}

/* ---------- 手機版共用排版（集中管理） ---------- */

@media (max-width: 768px) {
    body.home-page .home-header__nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--home-bg);
        border-bottom: 1px solid var(--home-line);
        flex-direction: column;
        align-items: stretch;
        flex-wrap: nowrap;
        gap: 0.25rem;
        padding: 0.75rem 1.25rem;
        max-height: calc(100vh - 80px);
        max-height: calc(100dvh - 80px);
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    body.home-page .home-header__nav.is-open {
        display: flex;
    }

    body.home-page .home-header__nav-login {
        display: block;
    }

    body.home-page .home-header__actions .home-header__login {
        display: none;
    }

    body.home-page .home-nav-toggle {
        display: inline-flex;
    }

    body.home-page .home-hero {
        padding: 3.5rem 1.25rem 4rem;
    }

    body.home-page .home-hero__lineart,
    body.home-page .home-hero__ring {
        display: none;
    }

    body.home-page .home-hero__blob {
        width: 300px;
        height: 300px;
        top: -15%;
        right: -20%;
    }

    body.home-page .home-steps {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }

    body.home-page .home-steps::before {
        top: 0;
        bottom: 0;
        left: 22px;
        width: 1px;
        height: auto;
        right: auto;
    }

    body.home-page .home-steps__item {
        flex-direction: row;
        text-align: left;
    }

    body.home-page .home-section {
        padding: 3.5rem 1.25rem;
    }

    body.home-page .home-footer__top {
        flex-direction: column;
        align-items: flex-start;
    }

    body.home-page .home-current-wrap {
        padding: 0 1.25rem 3.5rem;
    }

    body.home-page .home-current {
        padding: 2.25rem 1.5rem;
    }

    body.home-page .home-timeline__item {
        grid-template-columns: 24px 1fr;
        grid-template-areas:
            "dot date"
            ". content";
        column-gap: 0.75rem;
        row-gap: 0.3rem;
    }

    body.home-page .home-timeline__date {
        text-align: left;
        padding-top: 0;
    }

    body.home-page .home-timeline__item:not(:last-child)::before {
        left: calc(12px - 0.5px);
    }

    /* 頁首保留品牌與選單按鈕，姓名與操作移至展開選單。 */
    body.home-page .home-header__inner {
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }

    body.home-page .home-header__brand {
        min-width: 0;
    }

    body.home-page .home-header__brand-main {
        font-size: clamp(1rem, 4.2vw, 1.4rem);
        overflow-wrap: anywhere;
    }

    body.home-page .home-header__actions {
        flex-shrink: 0;
        gap: 0;
    }

    body.home-page .home-header__actions .home-header__welcome {
        display: none;
    }

    body.home-page .home-nav-toggle {
        width: 44px;
        height: 44px;
    }

    body.home-page .home-header__nav > a,
    body.home-page .home-header__nav > span {
        display: flex;
        align-items: center;
        min-height: 44px;
        overflow-wrap: anywhere;
    }

    body.home-page .home-header__nav > span {
        color: var(--home-muted);
    }

    body.home-page--app > .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    body.home-page--app > .container.py-5 {
        padding-top: 1.5rem !important;
        padding-bottom: 2rem !important;
    }

    body.home-page--app .home-panel {
        padding: 1.25rem;
    }

    body.home-page--app .card-body {
        padding: 1rem;
    }

    body.home-page--app h1,
    body.home-page--app h2,
    body.home-page--app h3,
    body.home-page .home-announce__content,
    body.home-page .home-footer__bottom {
        overflow-wrap: anywhere;
    }

    body.home-page .rules-body img,
    body.home-page .home-announce__content img {
        max-width: 100%;
        height: auto;
    }

    body.home-page--app .form-control,
    body.home-page--app .form-select {
        font-size: 1rem;
    }

    body.home-page--app form.d-flex {
        flex-wrap: wrap;
    }

    body.home-page--app form.d-flex > .form-control,
    body.home-page--app form.d-flex > .form-select {
        flex: 1 1 100%;
        max-width: 100% !important;
        min-width: 0;
    }

    body.home-page--app .table-responsive {
        max-width: 100%;
        overscroll-behavior-x: contain;
    }

    body.home-page--app .table th {
        white-space: nowrap;
    }

    body.home-page .home-footer {
        padding: 2rem 1.25rem;
    }

    body.home-page .home-footer__bottom {
        text-align: left;
        line-height: 1.8;
    }
}

/* Announcement cards and full article */
body.home-page .announcement-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}
body.home-page .announcement-card {
    display: flex;
    align-items: center;
    gap: 26px;
    padding: 18px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(30, 35, 60, .04);
    color: #20243b;
}
body.home-page .announcement-card__swatch {
    flex: 0 0 36px;
    height: 36px;
    background: #edeef8;
    border-radius: 6px;
}
body.home-page .announcement-card__body { flex: 1; min-width: 0; }
body.home-page .announcement-card__title { margin: 0 0 9px; font-size: 21px; font-weight: 700; line-height: 1.5; overflow-wrap: anywhere; }
body.home-page .announcement-card__summary { margin: 0; color: #555866; font-size: 14px; line-height: 1.7; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; overflow-wrap: anywhere; }
body.home-page .announcement-card__more { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; padding: 12px 18px; border-radius: 12px; background: #20243b; color: #fff; font-size: 14px; text-decoration: none; transition: background .2s, box-shadow .2s; }
body.home-page .announcement-card__more:hover { background: #3c4263; box-shadow: 0 4px 12px rgba(30, 35, 60, .18); }
body.home-page .announcement-card__more:focus-visible { outline: 3px solid #747dbb; outline-offset: 4px; }
body.home-page .announcement-detail { max-width: 960px; }
body.home-page .announcement-detail__back { display: inline-block; margin-bottom: 24px; color: #3c4263; }
body.home-page .announcement-detail__article { background: #fff; border-radius: 20px; padding: clamp(24px, 5vw, 56px); }
body.home-page .announcement-detail h1 { font-size: clamp(26px, 4vw, 36px); line-height: 1.5; overflow-wrap: anywhere; }
body.home-page .announcement-detail__content { line-height: 1.9; overflow-wrap: anywhere; overflow-x: auto; }
body.home-page .announcement-detail__content img { max-width: 100%; height: auto; }
@media (max-width: 640px) {
    body.home-page .announcement-card { flex-wrap: wrap; gap: 16px; padding: 16px; border-radius: 16px; }
    body.home-page .announcement-card__swatch { flex-basis: 28px; height: 28px; }
    body.home-page .announcement-card__body { flex-basis: calc(100% - 44px); }
    body.home-page .announcement-card__title { font-size: 18px; }
    body.home-page .announcement-card__more { margin-left: auto; }
}

body.home-page .announcement-card__published { display: block; margin-top: 8px; color: #6b6e7c; font-size: 12px; line-height: 1.6; }