/* ====================================================
   Product Style v3.0 - 輝達旅遊 CMS
   雜誌級設計系統 | Magazine-Style Design System
   ==================================================== */

/* ========== 1. 核心變數系統 (Design System) ========== */
:root {
    --primary-gold: #C5A065;       /* 品牌金 */
    --primary-gold-light: #F9F3E9; /* 淺金背景 */
    --primary-gold-dark: #A8854D;  /* 深金色 */
    --primary-black: #1A1A1A;      /* 質感黑 */
    --text-grey: #555555;          /* 閱讀灰 */
    --text-light: #888888;         /* 輔助灰 */
    --bg-light: #FAFAFA;           /* 淺灰底 */
    --bg-white: #FFFFFF;
    --border-color: #EEEEEE;
    --font-serif: 'Noto Serif TC', serif; /* 標題用 */
    --font-sans: 'Noto Sans TC', sans-serif; /* 內文用 */
    --price-red: #B93636;          /* 價格紅 */
    --success-green: #27ae60;      /* 成功綠 */
    --shadow-card: 0 10px 30px rgba(0,0,0,0.06); /* 懸浮陰影 */
    --shadow-hover: 0 20px 50px rgba(0,0,0,0.12); /* 懸停陰影 */
    --radius-lg: 16px;
    --radius-sm: 8px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ========== 2. 全局基礎設定 ========== */
body {
    font-family: var(--font-sans);
    color: var(--primary-black);
    background-color: var(--bg-white);
    line-height: 1.8;
    letter-spacing: 0.02em;
    padding-bottom: 80px;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; padding: 0; margin: 0; }

@media (min-width: 992px) {
    body { padding-bottom: 0; }
}

/* ========== 3. HERO 區塊 ========== */
.hero-banner {
    position: relative;
    width: 100%;
    height: 65vh;
    min-height: 500px;
    overflow: hidden;
}

.hero-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 10s ease;
}

.hero-banner:hover img {
    transform: scale(1.05);
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.5) 60%, rgba(0,0,0,0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding-bottom: 60px;
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.product-code {
    font-size: 13px;
    letter-spacing: 1px;
    opacity: 0.9;
    margin-bottom: 10px;
    font-family: var(--font-sans);
    font-weight: 300;
    background: rgba(255,255,255,0.15);
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.hero-title {
    font-size: clamp(28px, 4vw, 48px);
    line-height: 1.3;
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    opacity: 0.95;
    font-weight: 400;
    display: block;
    margin-top: 8px;
}

.hero-tags {
    margin-top: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-tag {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.6);
    color: #fff;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 13px;
    letter-spacing: 1px;
    transition: 0.3s;
}
.hero-tag:hover {
    background: #fff;
    color: #000;
}

@media (max-width: 768px) {
    .hero-banner { height: 50vh; min-height: 400px; }
    .hero-overlay { padding-bottom: 30px; }
    .hero-tags { gap: 6px; }
    .hero-tag { font-size: 12px; padding: 4px 12px; }
}

/* ========== 4. Sticky Tabs (吸頂導航) ========== */
.sticky-tabs {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s;
}
.sticky-tabs.is-fixed {
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.tabs-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.tabs-nav {
    display: flex;
    gap: 30px;
    height: 100%;
}

.tab-link {
    display: flex;
    align-items: center;
    height: 100%;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-grey);
    position: relative;
    cursor: pointer;
    text-decoration: none;
}

.tab-link:hover,
.tab-link.active {
    color: var(--primary-gold);
}

.tab-link.active::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%;
    height: 3px;
    background: var(--primary-gold);
}

.sticky-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sticky-price-group {
    text-align: right;
    line-height: 1.2;
}
.sticky-price-label { font-size: 12px; color: var(--text-light); }
.sticky-price-num { font-family: var(--font-serif); font-size: 20px; color: var(--price-red); font-weight: 700; }

.btn-gold {
    background: var(--primary-gold);
    color: #fff;
    border: none;
    padding: 8px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: 0.3s;
    box-shadow: 0 4px 12px rgba(197, 160, 101, 0.3);
}
.btn-gold:hover {
    background: #b08d55;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(197, 160, 101, 0.4);
}

@media (max-width: 768px) {
    .sticky-actions { display: none; }
    .tabs-nav { width: 100%; justify-content: space-between; gap: 0; }
    .tab-link { 
        font-size: 13px; 
        flex: 1; 
        justify-content: center; 
        white-space: nowrap;
        padding: 0 4px;
    }
    .tab-link.active {
        color: var(--primary-gold);
        font-weight: 700;
        background: rgba(197, 160, 101, 0.1);
        border-radius: 4px;
        padding: 6px 8px;
    }
}

/* ========== 5. 內容區塊共用樣式 ========== */
.content-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}
.section-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-black);
}
.section-title::before, .section-title::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--primary-gold);
    margin: 0 15px;
}

/* ========== 6. 黃金預訂區塊 ========== */
.booking-section {
    background: var(--bg-white);
    padding: 60px 0;
}

.booking-card {
    max-width: 1280px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid #f0f0f0;
    display: flex;
    overflow: hidden;
}

.booking-calendar-col {
    flex: 1.6;
    padding: 40px;
}

.month-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    overflow-x: auto;
    padding-bottom: 5px;
}
.month-btn {
    background: var(--bg-light);
    border: 1px solid #eee;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-grey);
    white-space: nowrap;
    cursor: pointer;
    transition: 0.3s;
}
.month-btn.active, .month-btn:hover {
    background: var(--primary-black);
    color: var(--primary-gold);
    border-color: var(--primary-black);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}
.calendar-title { font-size: 24px; font-weight: 700; font-family: var(--font-serif); }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
    text-align: center;
}
.weekday {
    font-size: 12px;
    color: #aaa;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.day-cell {
    aspect-ratio: 1 / 0.85;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
    position: relative;
    border: 1px solid transparent;
    padding: 4px 4px;
}

.day-cell:hover:not(.empty) {
    background-color: var(--bg-light);
    border-color: var(--border-color);
}

.day-cell:hover:not(.empty) .day-num {
    color: #000 !important;
}

.day-cell.selected {
    background-color: var(--primary-black);
    color: #000;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.day-cell.selected:hover {
    background-color: var(--bg-light) !important;
    color: #000 !important;
}

.day-cell.selected:hover .day-num,
.day-cell.selected:hover .day-price {
    color: #000 !important;
}

.day-num { font-size: 16px; font-weight: 600; line-height: 1; margin-bottom: 3px; }
.day-price { 
    font-size: 12px; 
    font-weight: 500;
    letter-spacing: -0.5px;
}

/* 滿團價格：中間加刪除線 */
.day-price.full-strike {
    position: relative;
    display: inline-block;
    text-decoration: line-through;
    text-decoration-thickness: 1.2px;
    text-decoration-color: currentColor;
}
.day-price.full-strike::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    border-top: 1.5px solid currentColor;
}
.day-price .comma { 
    font-size: 9px; 
    margin: 0 -1px;
    opacity: 0.7;
}
.day-cell.selected .day-price { color: var(--primary-gold); }

.day-cell.selected:hover .day-price {
    color: #000 !important;
}

.tag-status {
    position: absolute;
    top: -5px; right: -5px;
    font-size: 9px;
    padding: 2px 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-weight: 700;
}

/* 滿團：金色底黑字黑邊 */
.tag-status.tag-full {
    background: #C5A065 !important;
    color: #000 !important;
    border: 1.5px solid #000 !important;
}

/* 候補：黑底金字 */
.tag-status.tag-waitlist {
    background: #000 !important;
    color: #C5A065 !important;
    border: none !important;
}

.cal-nav-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #ddd;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s;
}
.cal-nav-btn:hover {
    background: var(--primary-gold);
    color: #fff;
    border-color: var(--primary-gold);
}

.day-cell.has-tour {
    background: #f8f9fa;
    cursor: pointer;
}
.day-cell.has-tour:hover {
    background: #e8f4e8;
    border-color: #27ae60;
}
.day-cell.has-tour .day-price {
    color: var(--price-red);
    font-weight: 600;
}

.day-cell.no-tour {
    cursor: default;
    opacity: 0.5;
}
.day-cell.no-tour:hover {
    background: transparent;
    border-color: transparent;
}

.booking-summary-col {
    flex: 1;
    background: var(--bg-light);
    padding: 40px;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.summary-header {
    border-bottom: 1px dashed #ddd;
    padding-bottom: 20px;
    margin-bottom: 20px;
}
.selected-date-big {
    font-size: 28px;
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--primary-black);
}
.selected-status {
    display: inline-block;
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    margin-top: 5px;
}

.people-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}
.people-label { font-weight: 600; font-size: 15px; }
.people-sub { font-size: 12px; color: #888; }

.counter-box {
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #ddd;
    overflow: hidden;
}
.counter-btn {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border: none; background: transparent;
    cursor: pointer; color: var(--primary-black);
}
.counter-btn:hover { background: #f0f0f0; }
.counter-val { width: 30px; text-align: center; font-weight: 600; font-size: 14px;}

.total-area {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}
.total-row {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 20px;
}
.total-label { font-size: 14px; color: var(--text-grey); }
.total-price { font-size: 32px; font-weight: 700; color: var(--price-red); font-family: var(--font-serif); line-height: 1; }

.btn-booking-lg {
    width: 100%;
    background: linear-gradient(135deg, #1A1A1A 0%, #333 100%);
    color: var(--primary-gold);
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: 0.3s;
}
.btn-booking-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

@media (max-width: 992px) {
    .booking-card { flex-direction: column; }
    .booking-calendar-col { padding: 15px 10px; }
    .calendar-grid { gap: 4px; }
    .day-cell { 
        border-radius: 6px; 
        aspect-ratio: 1 / 0.9; 
        padding: 4px 2px; 
        min-width: 0;
    }
    .day-num { font-size: 14px; margin-bottom: 2px; }
    .day-price { font-size: 11px; letter-spacing: -0.5px; }
    .month-selector { gap: 4px; padding: 0 5px; }
    .month-btn { padding: 8px 10px; font-size: 12px; }
    .booking-summary-col { padding: 20px 15px; border-left: none; border-top: 1px solid var(--border-color); }
    .section-container { padding: 0 10px; }
}

@media (max-width: 400px) {
    .booking-calendar-col { padding: 12px 8px; }
    .calendar-grid { gap: 3px; }
    .day-cell { padding: 5px 1px; }
    .day-num { font-size: 13px; }
    .day-price { font-size: 10px; }
    .month-btn { padding: 6px 8px; font-size: 11px; }
}

/* ========== 7. 行程特色 (雜誌級敘事版 v3) ========== */

/* 外層容器 */
.feature-story {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

/* 圖片區域 */
.feature-img-box {
    flex: 1;
    position: relative;
}

.feature-img-box img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
    z-index: 2;
    position: relative;
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

.feature-story:hover .feature-img-box img {
    transform: translateY(-10px);
}

/* 金色裝飾框 (增加層次感) */
.feature-deco-box {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 1px solid var(--primary-gold);
    z-index: 1;
    opacity: 0.6;
    transition: 0.6s;
}

.feature-story.reverse .feature-deco-box {
    left: auto;
    right: -20px;
}

/* 文字區域 */
.feature-text-box {
    flex: 0.8;
}

.feature-subtitle {
    display: block;
    font-size: 12px;
    letter-spacing: 3px;
    color: var(--primary-gold);
    margin-bottom: 15px;
    font-weight: 700;
    text-transform: uppercase;
}

.feature-headline {
    font-size: 32px;
    font-family: var(--font-serif);
    color: var(--primary-black);
    margin-bottom: 20px;
    line-height: 1.3;
}

.feature-divider {
    width: 60px;
    height: 2px;
    background: var(--primary-black);
    margin-bottom: 25px;
}

.feature-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
    text-align: justify;
}

/* 標籤小按鈕 */
.feature-tags {
    display: flex;
    gap: 10px;
}

.feature-tags li {
    font-size: 12px;
    background: #f4f4f4;
    color: #555;
    padding: 6px 14px;
    border-radius: 50px;
    font-weight: 500;
}

/* 偶數項反轉 (左文右圖) */
.feature-story.reverse {
    flex-direction: row-reverse;
}

/* 📱 手機版響應式 */
@media (max-width: 992px) {
    .feature-story {
        flex-direction: column !important;
        gap: 30px;
        margin-bottom: 70px;
    }

    .feature-img-box {
        width: 100%;
        margin-bottom: 10px;
    }

    .feature-img-box img {
        height: 280px;
    }

    .feature-deco-box { display: none; }

    .feature-text-box {
        width: 100%;
        padding: 0 10px;
    }

    .feature-headline {
        font-size: 26px;
    }
}

/* ========== 8. 每日行程 (雜誌風改版) ========== */
.itinerary-day {
    margin-bottom: 40px;
    padding-left: 0;
    border-left: none;
    position: relative;
    max-width: 1280px;
    margin: 0 auto 40px;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.day-badge { 
    display: none; 
}

.day-header-block {
    background: #1A1A1A;
    color: #fff;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    border-left: 4px solid var(--primary-gold);
    margin-bottom: 20px;
}

.day-label-gold {
    color: var(--primary-gold);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.day-route-text {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
}

.day-body {
    margin-left: 0;
    padding: 0 10px;
}

.spot-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

@media (max-width: 768px) {
    #itinerary-section .section-container {
        padding-left: 0 !important;
        padding-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .day-header-block {
        border-radius: 0;
        margin-bottom: 15px;
        padding: 15px;
    }

    .day-body {
        padding: 0 15px;
    }

    .spot-img {
        width: calc(100% + 30px);
        margin-left: -15px;
        border-radius: 0;
        margin-bottom: 15px;
    }

    .spot-title {
        font-size: 20px;
        margin-top: 5px;
    }

    .spot-desc {
        font-size: 15px;
        line-height: 1.7;
        color: #444;
        text-align: justify;
    }
}

/* ========== 9. 手機版底部固定欄 ========== */
.mobile-bottom-bar {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: #fff;
    padding: 10px 16px;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1050;
    display: none;
}
.mobile-price {
    font-size: 12px;
    color: #888;
}
.mobile-amount {
    font-size: 22px;
    color: var(--price-red);
    font-weight: 700;
    font-family: var(--font-serif);
}
.mobile-btn {
    background: var(--primary-black);
    color: var(--primary-gold);
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    letter-spacing: 1px;
}

@media (max-width: 992px) {
    .mobile-bottom-bar { display: flex; }
}

/* 注意事項列表美化 */
.notice-list li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;
}
.notice-list li::before {
    content: '';
    position: absolute;
    left: 0; top: 10px;
    width: 4px; height: 4px;
    background: var(--primary-gold);
    border-radius: 50%;
}

/* ========== 10. 區塊大標題 ========== */
.section-main-header {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    color: var(--primary-black);
    margin-bottom: 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}
.section-main-header::before,
.section-main-header::after {
    content: '';
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-gold));
}
.section-main-header::after {
    background: linear-gradient(90deg, var(--primary-gold), transparent);
}

/* ========== 11. 行程特色區塊寬度 ========== */
#trip-features {
    padding: 80px 24px;
    background: #fff;
}
#trip-features .section-main-header {
    max-width: 1280px;
    margin: 0 auto 60px;
}
#trip-features .section-container {
    max-width: 1280px;
    margin: 0 auto;
}

/* ========== 12. 每日行程標題區塊 ========== */
.day-header {
    background: linear-gradient(135deg, #1A1A1A 0%, #2d2d2d 100%);
    color: #fff;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-left: 5px solid var(--primary-gold);
    margin-bottom: 24px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.day-number {
    background: var(--primary-gold);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
}
.day-header > div:last-child {
    font-size: 17px;
    line-height: 1.5;
    font-weight: 500;
}
.day-content {
    padding: 0 24px 30px;
}

/* ========== 13. 景點卡片圖文並排 ========== */
.activity-item {
    margin-bottom: 30px;
}
.activity-item p strong {
    font-family: var(--font-serif);
    font-size: 19px;
    color: var(--primary-black);
}
.tour-feature-media {
    margin-top: 15px;
    overflow: hidden;
}
.media-image {
    float: left;
    width: 280px;
    margin-right: 24px;
    margin-bottom: 10px;
}
.media-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.media-image img:hover {
    transform: scale(1.02);
}
.media-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-grey);
    text-align: justify;
}
.media-content strong {
    color: var(--primary-gold);
    font-weight: 600;
}
@media (max-width: 768px) {
    .media-image {
        float: none;
        width: 100%;
        margin-right: 0;
        margin-bottom: 15px;
    }
    .day-header {
        padding: 14px 12px;
        gap: 12px;
    }
    .day-header > div:last-child {
        font-size: 14px;
    }
    .day-content {
        padding: 0 12px 20px;
    }
    /* 餐食住宿區塊 - 手機版貼邊 */
    .meals-accomm-container {
        padding: 16px 12px;
        margin-left: -12px;
        margin-right: -12px;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    .day-meals {
        gap: 8px 16px;
    }
    .meal-item {
        font-size: 13px;
    }
    .day-accommodation {
        font-size: 12px;
    }
    /* 手機版內文與行程亮點一致 */
    .media-content {
        font-size: 15px;
    }
}

/* ========== 14. 餐食住宿區塊 ========== */
.meals-accomm-container {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    margin-top: 20px;
    border: 1px solid #eee;
}
.day-meals {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin-bottom: 15px;
}
.meal-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-grey);
}
.meal-item i {
    color: var(--primary-gold);
    font-size: 12px;
}
.day-accommodation {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: #888;
    padding-top: 15px;
    border-top: 1px dashed #ddd;
}
.day-accommodation i {
    color: var(--primary-gold);
    margin-top: 3px;
}

/* ========== 15. 航班卡片 ========== */
.flight-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: var(--radius-sm);
    padding: 18px 24px;
    margin-bottom: 12px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.flight-header {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
    text-align: center;
}
.flight-date {
    font-weight: 700;
    font-size: 14px;
    color: var(--primary-black);
}
.flight-airline {
    background: var(--primary-gold-light);
    color: var(--primary-gold);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}
.flight-route {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}
.flight-point {
    text-align: center;
}
.flight-time {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-black);
}
.flight-airport {
    font-size: 13px;
    color: var(--text-grey);
    margin-top: 3px;
}
.flight-arrow {
    text-align: center;
    color: var(--primary-gold);
}
.flight-arrow i {
    font-size: 20px;
}
.flight-duration {
    font-size: 12px;
    color: #aaa;
    letter-spacing: 2px;
}
@media (max-width: 768px) {
    .flight-route { gap: 12px; }
    .flight-time { font-size: 18px; }
    .flight-card { padding: 12px 14px; margin-bottom: 8px; }
    .flight-header { margin-bottom: 10px; padding-bottom: 6px; gap: 4px; }
    .flight-airport { font-size: 11px; margin-top: 2px; }
    .flight-date { font-size: 12px; }
    .flight-airline { font-size: 12px; padding: 3px 10px; }
    .flight-arrow i { font-size: 16px; }
}

/* ========== 16. 底部固定欄 - 輝達高級質感風格 ========== */
.bottom-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    padding: 14px 20px;
    box-shadow: 0 -2px 20px rgba(0,0,0,0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1100;
    gap: 12px;
    border-top: 1px solid #f0f0f0;
}
.bottom-price {
    flex-shrink: 0;
    min-width: 100px;
}
.bottom-price-label {
    font-size: 12px;
    color: #999;
    letter-spacing: 0.5px;
}
.bottom-price-amount {
    display: flex;
    align-items: baseline;
    gap: 2px;
}
.bottom-currency {
    font-size: 14px;
    color: var(--price-red);
    font-weight: 500;
}
.bottom-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--price-red);
    font-family: var(--font-serif);
    letter-spacing: -0.5px;
}
.bottom-per-person {
    font-size: 12px;
    color: #999;
    margin-left: 2px;
}
.select-date-btn {
    flex: 1;
    max-width: 120px;
    background: #fff;
    border: 1.5px solid #ddd;
    color: #333;
    padding: 12px 8px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
    line-height: 1.3;
}
.select-date-btn:hover {
    border-color: #999;
    background: #fafafa;
}
.book-now-btn {
    flex: 1;
    max-width: 110px;
    background: linear-gradient(135deg, #C5A065 0%, #A8854D 100%);
    border: none;
    color: #fff;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.5px;
}
.book-now-btn:hover {
    background: linear-gradient(135deg, #b08d55 0%, #96753e 100%);
    transform: translateY(-1px);
}
@media (min-width: 993px) {
    .bottom-action-bar {
        display: none;
    }
}

/* ========== 17-22. 其他區塊寬度控制 ========== */
#notice-section .notice-section {
    max-width: 1280px;
    margin: 0 auto 24px;
    padding: 24px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: var(--radius-sm);
}
#notice-section .notice-title {
    font-size: 17px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

#itinerary-section {
    padding: 60px 24px;
}
#itinerary-section .section-main-header {
    max-width: 1280px;
    margin: 0 auto 40px;
}

#flight-section {
    padding: 60px 24px;
}
#flight-section .section-main-header {
    max-width: 1280px;
    margin: 0 auto 40px;
}
#flight-section .notice-section {
    max-width: 1280px;
    margin: 16px auto 0;
    padding: 16px 20px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

#notice-section {
    padding: 60px 24px;
}
#notice-section .section-main-header {
    max-width: 1280px;
    margin: 0 auto 40px;
}

/* ========== 23. Modal 報名表彈窗 ========== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9999;
    overflow-y: auto;
    padding: 20px;
}
.modal-overlay.active { display: flex; align-items: flex-start; justify-content: center; }

.modal-container {
    background: #fff;
    width: 100%;
    max-width: 680px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    margin: 40px 0;
    animation: modalSlideIn 0.3s ease;
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    background: linear-gradient(135deg, #1A1A1A 0%, #333 100%);
    color: #fff;
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    font-family: var(--font-serif);
}
.modal-close {
    width: 36px; height: 36px;
    border: none;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: 0.2s;
}
.modal-close:hover { background: rgba(255,255,255,0.2); }

.modal-body { padding: 30px; }

.booking-summary-card {
    background: linear-gradient(135deg, var(--primary-gold-light) 0%, #fff 100%);
    border: 1px solid var(--primary-gold);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
}
.summary-product-name {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 12px;
}
.summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}
.summary-item .label { color: var(--text-grey); }
.summary-item .value { font-weight: 600; }
.summary-total {
    grid-column: 1 / -1;
    border-top: 1px dashed #ddd;
    padding-top: 12px;
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    font-size: 18px;
}
.summary-total .value {
    color: var(--price-red);
    font-weight: 700;
    font-size: 22px;
}

.form-section {
    margin-bottom: 24px;
}
.form-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-gold);
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-section-title i { color: var(--primary-gold); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.form-row.full { grid-template-columns: 1fr; }

.form-group { display: flex; flex-direction: column; }
.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-grey);
    margin-bottom: 6px;
}
.form-group label .required { color: #e74c3c; }
.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    transition: 0.2s;
    font-family: var(--font-sans);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(197,160,101,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.traveler-card {
    background: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 16px;
}
.traveler-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.traveler-label {
    font-weight: 700;
    color: var(--primary-black);
    display: flex;
    align-items: center;
    gap: 8px;
}
.traveler-type {
    font-size: 12px;
    background: var(--primary-gold);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
}

.agreement-box {
    background: #f5f5f5;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
}
.agreement-box label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-grey);
}
.agreement-box input[type="checkbox"] {
    width: 18px; height: 18px;
    margin-top: 2px;
    accent-color: var(--primary-gold);
}

.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-gold) 0%, #b08d55 100%);
    color: #fff;
    border: none;
    padding: 16px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(197,160,101,0.4);
}
.btn-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@media (max-width: 768px) {
    .modal-overlay { padding: 0; align-items: flex-end; }
    .modal-container {
        max-width: 100%;
        margin: 0;
        border-radius: 20px 20px 0 0;
        max-height: 95vh;
        overflow-y: auto;
    }
    .modal-header { padding: 20px; }
    .modal-body { padding: 20px; }
    .form-row { grid-template-columns: 1fr; }
    .summary-grid { grid-template-columns: 1fr; }
}

.loading-spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ====================================================
   PREMIUM DESIGN ENHANCEMENTS - 頂級設計優化
   ==================================================== */

/* === Section 標題升級版 === */
.section-main-header {
    text-align: center;
    font-size: clamp(28px, 4vw, 38px);
    font-family: var(--font-serif);
    color: var(--primary-black);
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
}
.section-main-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

/* === 行程亮點標籤美化 === */
.feature-tags li {
    font-size: 12px;
    background: linear-gradient(135deg, var(--primary-gold-light) 0%, #fff 100%);
    color: var(--primary-gold);
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 600;
    border: 1px solid rgba(197,160,101,0.3);
    transition: var(--transition-smooth);
}
.feature-tags li:hover {
    background: var(--primary-gold);
    color: #fff;
    transform: translateY(-2px);
}

/* === 航班卡片精緻化 === */
.flight-card {
    background: linear-gradient(135deg, #fff 0%, #fafafa 100%);
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 28px;
    margin-bottom: 20px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: var(--transition-smooth);
}
.flight-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}
.flight-airline {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
    color: #fff;
    padding: 6px 18px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(197,160,101,0.3);
}
.flight-date {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-grey);
    letter-spacing: 0.5px;
}
.flight-time {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-black);
    letter-spacing: -1px;
}
.flight-arrow {
    text-align: center;
    color: var(--primary-gold);
    position: relative;
}
.flight-arrow i {
    font-size: 28px;
    animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse {
    0%, 100% { transform: translateX(0); opacity: 1; }
    50% { transform: translateX(5px); opacity: 0.7; }
}

/* === 每日行程卡片精緻化 === */
.itinerary-day {
    background: linear-gradient(135deg, #fff 0%, #fefefe 100%);
    border-radius: 12px;
    box-shadow: 0 4px 25px rgba(0,0,0,0.04);
    transition: var(--transition-smooth);
    border: 1px solid #f0f0f0;
}
.itinerary-day:hover {
    box-shadow: var(--shadow-hover);
}
.day-header {
    background: linear-gradient(135deg, var(--primary-black) 0%, #2a2a2a 100%);
    color: #fff;
    padding: 18px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
    font-weight: 600;
}
.day-number {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    font-family: var(--font-serif);
    box-shadow: 0 4px 12px rgba(197,160,101,0.4);
}

/* === 餐食住宿卡片美化 === */
.meals-accomm-container {
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    border-radius: 10px;
    padding: 20px;
    margin-top: 25px;
    border: 1px solid #eee;
}
.day-meals {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 15px;
}
.meal-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-grey);
    background: #fff;
    padding: 8px 14px;
    border-radius: 8px;
    border: 1px solid #eee;
}
.meal-item i {
    color: var(--primary-gold);
    font-size: 12px;
}
.day-accommodation {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--text-grey);
    padding-top: 15px;
    border-top: 1px dashed #ddd;
}
.day-accommodation i {
    color: var(--primary-gold);
    font-size: 14px;
    margin-top: 2px;
}

/* === 活動項目美化 === */
.activity-item {
    padding: 20px 25px;
    border-bottom: 1px solid #f0f0f0;
}
.activity-item:last-of-type {
    border-bottom: none;
}
.activity-item p strong {
    color: var(--primary-gold);
    font-size: 16px;
    display: inline-block;
    margin-bottom: 12px;
}
.tour-feature-media {
    background: #fcfcfc;
    border-radius: 8px;
    padding: 15px 18px;
    border-left: 3px solid var(--primary-gold);
}
.media-content {
    font-size: 14px;
    line-height: 1.9;
    color: #555;
}
/* 手機版每日行程卡片全寬、移除邊線 */
@media (max-width: 768px) {
    .activity-item {
        padding: 15px 0;
        border-bottom: none;
    }
    .tour-feature-media {
        border-left: none;
        padding: 12px 0;
        background: transparent;
        border-radius: 0;
    }
    .media-content {
        font-size: 15px;
        line-height: 1.8;
    }
}

/* === Hero 動畫強化 === */
.hero-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at center bottom, transparent 30%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
    pointer-events: none;
}
.hero-content {
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === 注意事項美化 === */
#notice-section .notice-section {
    background: linear-gradient(135deg, #fff 0%, #fafafa 100%);
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
}
.notice-list li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    line-height: 1.7;
}
.notice-list li:last-child {
    border-bottom: none;
}
.notice-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    width: 8px;
    height: 8px;
    background: var(--primary-gold);
    border-radius: 50%;
}

/* === 底部按鈕列優化 === */
.bottom-action-bar {
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, #fff 100%);
    backdrop-filter: blur(10px);
    box-shadow: 0 -4px 30px rgba(0,0,0,0.1);
}
.book-now-btn {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-dark) 100%);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(197,160,101,0.4);
    transition: var(--transition-smooth);
}
.book-now-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197,160,101,0.5);
}

/* === 整體滞動效果 === */
html {
    scroll-behavior: smooth;
}

/* === 選擇醒目效果 === */
::selection {
    background: var(--primary-gold);
    color: #fff;
}

/* ========== 18. 預訂 Modal ========== */
.booking-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    overflow-y: auto;
    padding: 20px;
    align-items: flex-start;
    justify-content: center;
}
.booking-modal.active {
    display: flex;
}
.modal-dialog {
    background: #fff;
    width: 100%;
    max-width: 700px;
    border-radius: var(--radius-lg);
    margin: 20px auto;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-header {
    background: linear-gradient(135deg, #1A1A1A 0%, #333 100%);
    color: #fff;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}
.modal-header h3 i { color: var(--primary-gold); }
.modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: 0.2s;
}
.modal-close:hover { opacity: 1; }
.modal-body {
    padding: 24px;
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

/* 訂單摘要卡片 */
.booking-summary-card {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid #eee;
}
.booking-summary-card h4 {
    font-size: 14px;
    color: var(--text-grey);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #ddd;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    color: #555;
}
.summary-row.total {
    border-top: 1px solid #ddd;
    margin-top: 10px;
    padding-top: 15px;
    font-weight: 700;
    font-size: 16px;
    color: var(--primary-black);
}
.summary-row.total span:last-child {
    color: var(--price-red);
    font-size: 20px;
}

/* 表單區塊 */
.form-section {
    margin-bottom: 24px;
}
.form-section h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.form-section h4 i { color: var(--primary-gold); }
.form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}
.form-group {
    flex: 1;
}
.form-group.full-width {
    flex: 100%;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}
.form-group label .required {
    color: #e74c3c;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-gold);
    outline: none;
    box-shadow: 0 0 0 3px rgba(197,160,101,0.1);
}

/* 旅客卡片 */
.traveler-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}
.traveler-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px dashed #eee;
}
.traveler-label {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.traveler-label i { color: var(--primary-gold); }
.traveler-type {
    background: var(--bg-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: #666;
}

/* 同意條款 */
.terms-section {
    margin-bottom: 20px;
}
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: #555;
    cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--primary-gold);
}
.checkbox-label a {
    color: var(--primary-gold);
    text-decoration: underline;
}

/* 送出按鈕 */
.btn-submit {
    width: 100%;
    background: linear-gradient(135deg, var(--primary-gold) 0%, #b08d55 100%);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.3s;
}
.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197,160,101,0.4);
}
.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}
.loading-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== 19. 付款 Modal ========== */
.payment-modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 2100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.payment-dialog {
    background: #fff;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    text-align: center;
    padding: 40px 30px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.payment-header h3 {
    font-size: 24px;
    margin: 20px 0 10px;
    color: var(--primary-black);
}
.payment-header p {
    color: #666;
    font-size: 14px;
}
.payment-body {
    margin-top: 24px;
    text-align: left;
}
.payment-body h4 {
    text-align: center;
    font-size: 16px;
    color: var(--primary-black);
    margin-bottom: 20px;
}
.bank-info {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 16px;
}
.bank-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    border-bottom: 1px dashed #eee;
}
.bank-row:last-child { border-bottom: none; }
.bank-row span:first-child { color: #888; }
.bank-row span:last-child { font-weight: 500; }
.copy-btn {
    background: var(--primary-gold);
    color: #fff;
    border: none;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 8px;
    transition: 0.2s;
}
.copy-btn:hover { background: #b08d55; }
.payment-note {
    font-size: 13px;
    color: #888;
    text-align: center;
    margin-bottom: 20px;
}
.contact-btns {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.btn-line {
    background: #06C755;
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
}
.btn-line:hover { background: #05a847; }
.btn-phone {
    background: var(--primary-black);
    color: #fff;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
}
.btn-phone:hover { background: #333; }
.btn-close-payment {
    margin-top: 24px;
    background: #f5f5f5;
    border: none;
    padding: 12px 40px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: 0.2s;
}
.btn-close-payment:hover { background: #eee; }

/* Modal 手機版 */
@media (max-width: 768px) {
    .modal-body { padding: 16px; }
    .form-row { flex-direction: column; gap: 12px; }
    .form-group { flex: none; }
    .traveler-card { padding: 12px; }
    .payment-dialog { padding: 30px 20px; }
    .contact-btns { flex-direction: column; }
}