@charset "UTF-8";

/* 自訂參數 */
:root {
    --A3CFEB: #56afe7;
    --131334: #131334;
    --FFFFFF: #FFFFFF;
    --AAAAAA: #AAAAAA;
    --ADFFF5: #ADFFF5;

    --0F1830: #0F1830;
    --F5F7FB: #F5F7FB;

    --radius-xl: 28px;
    --radius-pill: 999px;

    --shadow-1: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-2: 0 14px 34px rgba(0, 0, 0, 0.35);
    
    /* 新增進階陰影 */
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 20px 48px rgba(0, 0, 0, 0.25);
    
    /* 新增漸層變數 */
    --gradient-primary: linear-gradient(135deg, var(--A3CFEB), var(--ADFFF5));
    --gradient-dark: linear-gradient(135deg, var(--0F1830), #1a2854);
    --gradient-light: linear-gradient(135deg, var(--F5F7FB), rgba(163, 207, 235, 0.02));
    
    /* 新增動畫變數 */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    min-height: 100%;
}

body {
    color: var(--131334);
    background: var(--gradient-light);
    line-height: 1.7;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    font-optical-sizing: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

section {
    width: 100%;
    padding: 80px 6vw;
    margin: auto;
    position: relative;
}

.container {
    margin: 0 auto;
    padding-left: 6vw;
    padding-right: 6vw;
    max-width: 1900px;
    position: relative;
}

.black-section {
    background: var(--gradient-dark);
    color: var(--FFFFFF);
    position: relative;
    overflow: hidden;
}

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

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    backdrop-filter: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    background: var(--gradient-dark);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(19, 19, 52, 0.08);
    box-shadow: var(--shadow-soft);
}

.main-header.scrolled::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.main-header .container {
    max-width: 2200px;
    width: 100%;
    display: flex;
    align-items: center;
    padding: 20px 60px;
    gap: 40px;
    transition: padding 0.4s ease;
}

.main-header.scrolled .container {
    padding: 16px 60px;
}

.logo {
    position: relative;
    z-index: 1100;
}

.logo img {
    height: 80px;
    width: auto;
    cursor: pointer;
    transition: var(--transition-smooth);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.main-header.scrolled .logo img {
    height: 70px;
}

.logo img:hover {
    transform: scale(1.05) rotate(-2deg);
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.logo::after {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: radial-gradient(circle, transparent 60%, var(--A3CFEB) 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: -1;
}

.logo:hover::after {
    opacity: 0.1;
}

/* ===== 桌機導覽列 ===== */
.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.nav-links a {
    color: var(--FFFFFF);
    text-decoration: none;
    font-size: 16px;
    font-weight: 700;
    position: relative;
    padding: 12px 20px;
    border-radius: 12px;
    transition: var(--transition-smooth);
    letter-spacing: 0.02em;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.nav-links a::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(163, 207, 235, 0.2);
    opacity: 0;
    transition: var(--transition-smooth);
    border-radius: inherit;
    transform: scale(0.8);
}

.nav-links a:hover::before {
    opacity: 1;
    transform: scale(1);
}

.main-header.scrolled .nav-links a {
    text-shadow: none;
}

.nav-links a:hover {
    color: var(--ADFFF5);
    transform: translateY(-2px);
    text-shadow: none;
}

.main-header.scrolled .nav-links a:hover::before {
    background: rgba(163, 207, 235, 0.1);
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 8px;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 1px;
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 60%;
}

.nav-links a.active {
    background: radial-gradient(100% 100% at 30% 20%, var(--ADFFF5), var(--A3CFEB));
    color: var(--0F1830);
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(255, 255, 255, .6);
    text-shadow: none;
}

.nav-links a.active::before,
.nav-links a.active::after {
    display: none;
}

/* ===== 漢堡按鈕 ===== */
.menu-toggle-checkbox {
    display: none;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1100;
}

.main-header.scrolled .menu-toggle {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(19, 19, 52, 0.08);
}

.menu-toggle:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-soft);
    transform: scale(1.05);
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: var(--FFFFFF);
    border-radius: 2px;
    transition: var(--transition-smooth);
    margin: 0 auto;
}

.main-header.scrolled .menu-toggle span {
    background: var(--131334);
}

/* ===== RWD 手機版 ===== */
@media (max-width: 991px) {
    .main-header {
        background: rgba(15, 24, 48, 0.1);
        backdrop-filter: blur(12px) saturate(180%);
    }

    .main-header.scrolled {
        background: rgba(245, 247, 251, 0.95);
        backdrop-filter: blur(20px) saturate(180%);
    }

    .main-header .container {
        padding: 20px 20px;
        justify-content: space-between;
    }

    .main-header.scrolled .container {
        padding: 16px 20px;
    }

    .main-header.scrolled .nav-links a {
        color: var(--FFFFFF);
        text-shadow: none;
    }

    .logo img {
        height: 60px;
    }

    .main-header.scrolled .logo img {
        height: 55px;
    }

    /* 顯示漢堡按鈕 */
    .menu-toggle {
        display: flex;
    }

    /* 隱藏導覽列 */
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        background: linear-gradient(135deg, rgba(15, 24, 48, 0.98), rgba(25, 37, 62, 0.95));
        backdrop-filter: blur(24px) saturate(180%);
        margin-left: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.4s ease;
        z-index: 1050;
    }

    .nav-links::before {
        content: "";
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 20% 80%, var(--A3CFEB), transparent 70%),
                    radial-gradient(circle at 80% 20%, var(--ADFFF5), transparent 70%);
        opacity: 0.1;
        filter: blur(60px);
    }

    .nav-links a {
        color: var(--FFFFFF);
        font-size: 18px;
        font-weight: 800;
        padding: 16px 32px;
        border-radius: 16px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        background: rgba(255, 255, 255, 0.05);
        backdrop-filter: blur(12px);
        transform: translateY(20px);
        opacity: 0;
        transition: all 0.4s ease;
        text-shadow: none;
        position: relative;
        overflow: hidden;
        min-width: 200px;
        text-align: center;
    }

    .nav-links a::before {
        background: rgba(163, 207, 235, 0.2);
    }

    .nav-links a:hover {
        background: rgba(163, 207, 235, 0.2);
        border-color: rgba(163, 207, 235, 0.3);
        transform: translateY(16px) scale(1.05);
    }

    /* 修正選擇器：使用正確的 ID */
    #menuToggle:checked ~ .nav-links {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    #menuToggle:checked ~ .nav-links a {
        opacity: 1;
        transform: translateY(0);
    }

    #menuToggle:checked ~ .nav-links a:nth-child(1) { transition-delay: 0.1s; }
    #menuToggle:checked ~ .nav-links a:nth-child(2) { transition-delay: 0.2s; }
    #menuToggle:checked ~ .nav-links a:nth-child(3) { transition-delay: 0.3s; }
    #menuToggle:checked ~ .nav-links a:nth-child(4) { transition-delay: 0.4s; }
    #menuToggle:checked ~ .nav-links a:nth-child(5) { transition-delay: 0.5s; }
    #menuToggle:checked ~ .nav-links a:nth-child(6) { transition-delay: 0.6s; }

    /* 修正選擇器：點選後的 X 動畫 */
    #menuToggle:checked + .menu-toggle {
        background: rgba(163, 207, 235, 0.9);
        transform: scale(1.1);
    }

    #menuToggle:checked + .menu-toggle span {
        background: var(--0F1830);
    }

    #menuToggle:checked + .menu-toggle span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    #menuToggle:checked + .menu-toggle span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }

    #menuToggle:checked + .menu-toggle span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    /* 點擊導航鏈接後自動關閉選單 */
    .nav-links a {
        position: relative;
    }
}

@media (max-width: 768px) {
    .main-header .container {
        padding: 16px 16px;
    }

    .main-header.scrolled .container {
        padding: 12px 16px;
    }

    .logo img {
        height: 50px;
    }

    .main-header.scrolled .logo img {
        height: 45px;
    }

    .nav-links a {
        font-size: 16px;
        padding: 14px 28px;
        min-width: 180px;
    }
}

@media (max-width: 480px) {
    .main-header .container {
        padding: 12px 12px;
    }

    .nav-links a {
        font-size: 15px;
        padding: 12px 24px;
        min-width: 160px;
        gap: 1.5rem;
    }

    .menu-toggle {
        width: 40px;
        height: 40px;
    }

    .menu-toggle span {
        width: 20px;
        height: 2px;
    }

    #menuToggle:checked + .menu-toggle span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    #menuToggle:checked + .menu-toggle span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

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

footer {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, .9);
    padding: 30px 0 0 0;
    position: relative;
    overflow: hidden;
}

footer::before,
footer::after {
    content: "";
    position: absolute;
    pointer-events: none;
    filter: blur(80px);
    opacity: .15;
    animation: float 12s ease-in-out infinite alternate;
}

footer::before {
    width: 500px;
    height: 500px;
    left: -150px;
    top: -150px;
    background: radial-gradient(60% 60% at 50% 50%, var(--ADFFF5), transparent 70%);
}

footer::after {
    width: 600px;
    height: 600px;
    right: -200px;
    bottom: -250px;
    background: radial-gradient(60% 60% at 50% 50%, var(--A3CFEB), transparent 70%);
    animation-delay: 3s;
    animation-duration: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg) scale(1);
    }
    50% {
        transform: translateY(-30px) rotate(3deg) scale(1.05);
    }
}

footer .container {
    max-width: 1900px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    flex: 1;
    gap: 60px;
    align-items: stretch;
}

/* map */
.map-wrap {
    position: relative;
    width: 100%;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    border: 1px solid rgba(255, 255, 255, .15);
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .02));
    backdrop-filter: blur(16px) saturate(130%);
    transition: var(--transition-smooth);
}

.map-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 60%, rgba(163, 207, 235, 0.1));
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

.map-wrap:hover {
    box-shadow: 0 32px 64px rgba(0, 0, 0, .4);
    border-color: rgba(255, 255, 255, .25);
}

.map-wrap:hover::before {
    opacity: 1;
}

.map-wrap iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    filter: saturate(120%) contrast(110%) brightness(105%);
    transition: var(--transition-smooth);
}


/* floating chip on map */
.map-chip {
    position: absolute;
    right: 10px;
    bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-primary);
    color: var(--0F1830);
    font-weight: 900;
    font-size: 10px;
    border-radius: var(--radius-pill);
    padding: 8px 15px;
    box-shadow: var(--shadow-medium);
    border: 1px solid rgba(255, 255, 255, .6);
    backdrop-filter: blur(16px);
    transition: var(--transition-bounce);
    cursor: pointer;
}

.map-chip:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-strong);
    background: linear-gradient(135deg, var(--ADFFF5), var(--A3CFEB));
}

.map-chip .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--0F1830);
    opacity: 0.8;
    animation: pulse 2.5s ease-in-out infinite;
    position: relative;
}

.map-chip .dot::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: inherit;
    opacity: 0.3;
    animation: ripple 2.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.3);
        opacity: 1;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.map-chip .chip-link {
    margin-left: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-pill);
    text-decoration: none;
    color: var(--0F1830);
    font-weight: 900;
    background: rgba(255, 255, 255, .9);
    backdrop-filter: blur(8px);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, .4);
}

.map-chip .chip-link:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 1);
    box-shadow: var(--shadow-soft);
    color: var(--0F1830);
}

/* info grid */
.info-grid {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.info-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, .12), rgba(255, 255, 255, .06));
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow-medium), inset 0 0 0 1px rgba(255, 255, 255, .08);
    backdrop-filter: blur(16px) saturate(130%);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    gap: 24px;
    overflow: hidden;
    cursor: pointer;
}

.info-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.info-card::after {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background: radial-gradient(50% 50% at 50% 50%, var(--A3CFEB), transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    filter: blur(40px);
}

.info-card:hover::before {
    transform: scaleX(1);
}

.info-card:hover::after {
    opacity: 0.1;
}

.info-card:hover {
    transform: translateY(-8px);
    background: linear-gradient(180deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .12));
    box-shadow: var(--shadow-strong), inset 0 0 0 1px rgba(255, 255, 255, .15);
    border-color: rgba(255, 255, 255, .35);
}

.info-card .icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    color: var(--0F1830);
    background: radial-gradient(100% 100% at 30% 20%, var(--ADFFF5), var(--A3CFEB));
    box-shadow: var(--shadow-soft), inset 0 0 0 2px rgba(255, 255, 255, .6);
    transition: var(--transition-bounce);
    flex-shrink: 0;
    font-size: 20px;
}

.info-card:hover .icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: var(--shadow-medium), inset 0 0 0 2px rgba(255, 255, 255, .8);
}

.info-card .info {
    font-size: 16px;
    font-weight: 900;
    letter-spacing: .02em;
    line-height: 1.6;
    flex: 1;
    transition: var(--transition-smooth);
}

.info-card:hover .info {
    transform: translateX(4px);
}

.info-card a {
    color: rgba(184, 229, 255, 0.9);
    text-decoration: none;
    font-weight: 700;
    padding: 2px 0;
    border-bottom: 2px solid rgba(184, 229, 255, .3);
    transition: var(--transition-smooth);
    position: relative;
}

.info-card a::before {
    content: "";
    position: absolute;
    inset: -2px -4px;
    background: rgba(184, 229, 255, 0.1);
    border-radius: 4px;
    opacity: 0;
    transition: var(--transition-smooth);
}

.info-card a:hover::before {
    opacity: 1;
}

.info-card a:hover {
    color: #ffffff;
    border-color: rgba(255, 255, 255, .8);
    transform: translateY(-1px);
}

/* divider & copyright */
.copy {
    text-align: center;
    color: rgba(255, 255, 255, .6);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .05em;
    margin: 50px 0 0 0;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, .1);
    position: relative;
}

.copy::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: var(--gradient-primary);
}


/* 通用標題樣式 */
.section-title {
    margin-bottom: 48px;
    text-align: center;
}

.section-title.left {
    text-align: left;
}

.section-title .en {
    display: block;
    font-size: 14px;
    font-weight: 800;
    color: var(--A3CFEB);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.section-title .zh {
    display: block;
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 900;
    color: var(--131334);
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.black-section .section-title .zh {
    color: var(--FFFFFF);
}


/* RWD: Footer and spacing tweaks */
@media (max-width: 1200px) {
    section {
        padding: 60px 5vw;
    }

    footer .container {
        gap: 40px;
        padding: 0 20px;
    }

    .map-wrap {
        aspect-ratio: 16 / 9;
    }

    .info-grid {
        max-width: 100%;
    }
}

@media (max-width: 991px) {
    footer {
        padding: 40px 0 0 0;
    }

    footer .container {
        flex-direction: column;
        align-items: stretch;
        gap: 32px;
    }

    .map-wrap {
        aspect-ratio: 16 / 9;
        border-radius: 20px;
    }

    .map-chip {
        display: none;
    }

    .info-card {
        padding: 20px;
        gap: 16px;
        border-radius: 16px;
    }

    .info-card .icon {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 18px;
    }

    .info-card .info {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 40px 5vw;
    }

    .main-header .container {
        padding: 12px 16px;
    }

    .logo img {
        height: 50px;
    }

    .map-wrap {
        aspect-ratio: 4 / 3;
        border-radius: 18px;
    }

    .copy {
        font-size: 13px;
        margin: 32px 0 16px;
    }

    .info-card {
        padding: 16px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 32px 4vw;
    }

    .map-wrap {
        aspect-ratio: 1 / 1;
        border-radius: 16px;
    }

    .info-card {
        padding: 14px;
        gap: 12px;
        border-radius: 14px;
    }

    .info-card .icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        font-size: 16px;
    }

    .info-card .info {
        font-size: 14px;
    }
}

/* 全域動畫與互動增強 */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
    
    * {
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* 選取文字的樣式 */
::selection {
    background: var(--A3CFEB);
    color: var(--0F1830);
}

::-moz-selection {
    background: var(--A3CFEB);
    color: var(--0F1830);
}

/* 滾動條樣式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--F5F7FB);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 5px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--A3CFEB), var(--A3CFEB));
    transform: scale(1.1);
}