/* ===== 導覽列基礎樣式 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0 50px;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--gold-main, #d4af37);
    transition: all 0.4s ease;
}

.navbar.scrolled {
    height: 70px;
    box-shadow: 0 4px 30px rgba(74, 28, 107, 0.08);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.nav-logo img {
    height: 45px;
    width: auto;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
}

.nav-logo-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--purple-dark, #4a1c6b);
}

.nav-logo-subtitle {
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--gold-main, #d4af37);
    letter-spacing: 0.1em;
}

/* ===== 桌面版導覽連結 ===== */
.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-links > a,
.nav-dropdown > .nav-dropdown-toggle {
    color: var(--text-gray, #5c4a6e);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-links > a:hover,
.nav-dropdown:hover > .nav-dropdown-toggle,
.nav-links > a.active {
    color: var(--purple-main, #6b2d9b);
    background: var(--purple-pale, #f3e5f9);
}

/* ===== 下拉選單 ===== */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.nav-dropdown-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.nav-dropdown:hover .nav-dropdown-toggle svg {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(74, 28, 107, 0.15);
    border: 1px solid rgba(74, 28, 107, 0.08);
    padding: 12px 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu a {
    display: block;
    padding: 12px 16px;
    color: var(--text-gray, #5c4a6e);
    text-decoration: none;
    font-size: 0.9rem;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.nav-dropdown-menu a:hover,
.nav-dropdown-menu a.active {
    background: var(--purple-pale, #f3e5f9);
    color: var(--purple-main, #6b2d9b);
}

/* ===== CTA 按鈕 ===== */
.nav-cta {
    padding: 12px 28px !important;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    color: var(--purple-dark, #4a1c6b) !important;
    border-radius: 30px !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 20px rgba(212,175,55,0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212,175,55,0.4);
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%) !important;
}

/* ===== 手機版按鈕 ===== */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    background: none;
    border: none;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--purple-dark, #4a1c6b);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== 手機版導覽 ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    padding: 20px 30px 30px;
    box-shadow: 0 10px 40px rgba(74, 28, 107, 0.15);
    z-index: 999;
    flex-direction: column;
    gap: 8px;
    border-bottom: 2px solid var(--gold-main, #d4af37);
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav > a {
    color: var(--text-dark, #2d1b3d);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 16px 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
    text-align: center;
    background: var(--bg-light, #faf8fc);
    border: 1px solid transparent;
}

.mobile-nav > a:hover,
.mobile-nav > a.active {
    background: var(--purple-pale, #f3e5f9);
    color: var(--purple-main, #6b2d9b);
    border-color: var(--purple-soft, #d4a5e8);
}

.mobile-dropdown {
    display: flex;
    flex-direction: column;
}

.mobile-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-dark, #2d1b3d);
    font-size: 1.05rem;
    font-weight: 500;
    padding: 16px 20px;
    border-radius: 12px;
    cursor: pointer;
    background: var(--bg-light, #faf8fc);
    border: 1px solid transparent;
    font-family: inherit;
    width: 100%;
    transition: all 0.3s ease;
}

.mobile-dropdown-toggle:hover {
    background: var(--purple-pale, #f3e5f9);
    color: var(--purple-main, #6b2d9b);
    border-color: var(--purple-soft, #d4a5e8);
}

/* 下拉箭頭樣式 - 更明顯 */
.mobile-dropdown-toggle svg {
    width: 20px;
    height: 20px;
    padding: 4px;
    background: var(--purple-main, #6b2d9b);
    border-radius: 50%;
    stroke: white;
    stroke-width: 2.5;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.mobile-dropdown.active .mobile-dropdown-toggle {
    background: var(--purple-pale, #f3e5f9);
    color: var(--purple-main, #6b2d9b);
    border-color: var(--purple-main, #6b2d9b);
}

.mobile-dropdown.active .mobile-dropdown-toggle svg {
    transform: rotate(180deg);
    background: var(--gold-main, #d4af37);
}

/* 子選單樣式 - 明顯區隔 */
.mobile-dropdown-menu {
    display: none;
    flex-direction: column;
    padding: 10px 15px;
    margin-top: 8px;
    margin-left: 20px;
    margin-right: 20px;
    background: white;
    border-radius: 12px;
    border-left: 3px solid var(--gold-main, #d4af37);
    box-shadow: inset 0 2px 8px rgba(74, 28, 107, 0.08);
    gap: 4px;
}

.mobile-dropdown.active .mobile-dropdown-menu {
    display: flex;
}

.mobile-dropdown-menu a {
    color: var(--text-gray, #5c4a6e);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 12px 20px;
    border-radius: 8px;
    text-align: left;
    transition: all 0.2s ease;
    position: relative;
    padding-left: 30px;
}

.mobile-dropdown-menu a::before {
    content: '›';
    position: absolute;
    left: 12px;
    color: var(--gold-main, #d4af37);
    font-weight: bold;
    font-size: 1.1rem;
}

.mobile-dropdown-menu a:hover,
.mobile-dropdown-menu a.active {
    background: var(--purple-pale, #f3e5f9);
    color: var(--purple-main, #6b2d9b);
}

.mobile-dropdown-menu a:hover::before,
.mobile-dropdown-menu a.active::before {
    color: var(--purple-main, #6b2d9b);
}

.nav-cta-mobile {
    margin-top: 15px;
    padding: 18px 30px !important;
    background: linear-gradient(135deg, #d4af37 0%, #f4d03f 100%);
    color: var(--purple-dark, #4a1c6b) !important;
    border-radius: 30px;
    font-weight: 600;
    text-align: center;
}

/* ===== 可點擊的下拉選單標題連結（桌面版）===== */
a.nav-dropdown-link {
    text-decoration: none;
    color: var(--text-gray, #5c4a6e);
}

a.nav-dropdown-link:hover {
    color: var(--purple-main, #6b2d9b);
}

/* ===== 可點擊的下拉選單標題連結（手機版）===== */
.mobile-dropdown-title-link {
    color: inherit;
    text-decoration: none;
    flex: 1;
}

.mobile-dropdown-title-link:hover {
    color: var(--purple-main, #6b2d9b);
}

/* 調整手機版下拉選單按鈕，讓連結和箭頭分開處理 */
.mobile-dropdown-toggle {
    position: relative;
}

/* 讓箭頭可以獨立點擊展開選單 */
.mobile-dropdown-toggle svg {
    flex-shrink: 0;
    padding: 5px;
    margin: -5px;
    cursor: pointer;
}

/* ===== RWD 響應式 ===== */
@media (max-width: 1100px) {
    .navbar { padding: 0 30px; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: flex; }
}

@media (max-width: 768px) {
    .navbar { padding: 0 20px; height: 70px; }
    .mobile-nav { top: 70px; max-height: calc(100vh - 70px); }
    .nav-logo img { height: 38px; }
    .nav-logo-title { font-size: 1.1rem; }
    .nav-logo-subtitle { font-size: 0.6rem; }
}