:root {
        /* FIX: Header Safety Vars */
    --header-h: 72px;
    --header-h-mobile: 64px;
  /* --- Page Background --- */
  /* --- Page Background --- */
  --bg-0: #e8fbff;
  --bg-1: #cdefff;
  --bg-2: #bfeae3;

  --bg-page: linear-gradient(
    180deg,
    #e8fbff 0%,
    #cdefff 45%,
    #bfeae3 100%
  );

  /* Section separation (light) */
  --bg-section-alt: rgba(255, 255, 255, 0.28);
  --bg-section-info: rgba(255, 255, 255, 0.20);

  /* --- Text System (Dark on Light) --- */
  --text-heading: #0b2a2f;
  --text-body: rgba(11, 42, 47, 0.88);
  --text-muted: rgba(11, 42, 47, 0.65);

  /* --- Card / Panel System (Light Glass) --- */
  --panel: rgba(255, 255, 255, 0.66);
  --panel-border: rgba(255, 255, 255, 0.78);

  --glass-bg: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.78);

  --card-bg: rgba(255, 255, 255, 0.66);
  --card-border: rgba(255, 255, 255, 0.78);

  /* --- Shadows (softer for light bg) --- */
  --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
  --glow: 0 12px 30px rgba(0, 0, 0, 0.12);

  /* --- Accent Colors (Tropicana) --- */
  --neon-cyan: #1fbfb8;

  /* 这些你原本 CSS 会用到（nav underline / hover）必须保留 */
  --neon-pink: #ff4fa6;
  --neon-blue: #2d7dff;
  --purple-2: #6c4dff;

  --teal-primary: var(--neon-cyan);
  --teal-soft: rgba(31, 191, 184, 0.18);
  --teal-border: rgba(31, 191, 184, 0.35);

  /* --- Gold stays gold --- */
  --gold-primary: #ffb703;
  --gold-hover: #ffd166;
  --gold-soft: rgba(255, 183, 3, 0.22);
  --gold-gradient: linear-gradient(180deg, #ffe08a 0%, #ffb703 100%);

}
/* --- SECTION SEPARATION STRATEGY (Light, subtle) --- */

/* Default sections: use page gradient */
#promotions,
#rewards,
#contact {
  background: var(--bg-page);
}

/* Alternate sections: soft glass tint */
#how,
#faq {
  background: var(--bg-section-alt);
}


@media (max-width: 768px) {
    :root {
        --header-h: 64px;
    }

    .btn-primary, .btn-claim{
    padding: 20px 30px!important;
}
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}


body {
    font-family: var(--font-body);
    background: var(--bg-page);
    color: var(--text-body);
    overflow-x: hidden;
    padding-top: var(--header-h);
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
    /* Soften for light theme */
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- Global Section Spacing (Vertical Rhythm) --- */
section {
    padding: 50px 0;
    position: relative;
}

section.section-tight {
    padding: 64px 0;
}

/* Hero Exception (Prevent huge gaps) */
.hero,
.hero-slider {
    padding-top: 24px;
    padding-bottom: 72px;
}



@media (max-width: 900px) {
    section {
        padding: 64px 0;
    }

    section.section-tight {
        padding: 48px 0;
    }

    body {
        padding-top: var(--header-h-mobile);
    }

    .hero,
    .hero-slider {
        padding-top: 16px;
        padding-bottom: 56px;
    }
}

/* Buttons with Shimmer */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gold-gradient);
    color: #1F2937;
    /* Dark text for contrast */
    border: none;
    box-shadow: var(--glow-gold);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transform: skewX(-25deg);
    transition: 0.5s;
}

.btn-glow:hover::before,
.btn-shimmer:hover::before {
    left: 150%;
    transition: 0.7s;
}

.btn-outline {
    border: 2px solid var(--gold-primary);
    color: #1F2937;
    /* Dark text */
    background: transparent;
    font-weight: 600;
}

.btn-outline:hover {
    background: var(--gold-soft);
    border-color: var(--gold-primary);
    color: #000;
}

.btn-sm {
    padding: 10px 24px;
    font-size: 0.9rem;
}

.btn-xs {
    padding: 8px 16px;
    font-size: 0.8rem;
    border-radius: 8px;
    border: none;
    background: var(--gold-gradient);
    color: #1F2937;
    font-weight: 700;
    cursor: pointer;
}

.btn-block {
    width: 100%;
}

/* --- HEADER & NAVIGATION (FIXED 900PX) --- */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    z-index: 2000;
    background: rgba(255, 255, 255, 0.55);

    /* White */
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: 0.3s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.10);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    height: 80px;
    width: auto;
    display: block;
    object-fit: contain;
    position: relative;
    top: 10px;
    /* move down */
}

/* Desktop Menu */
.desktop-nav {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-body, sans-serif);
    font-size: 0.95rem;
    font-weight: 500;
    color: #0a1f33;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
    padding: 6px 0;
    position: relative;
    transition: 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--neon-cyan);
    text-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-pink), var(--purple-2), var(--neon-blue));
    transition: width 0.3s;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Buttons */
/* Buttons: Premium CTA (Unified for Desktop and Mobile) */
.header-cta {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 32px;
    border-radius: 50px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-decoration: none;
    color: #423100;
    white-space: nowrap;
    /* Prevent breaking on desktop */
    max-width: 100%;
    /* Adaptive for mobile */

    /* Gold Gradient & 3D look */
    background: linear-gradient(135deg, #FFF8D4 0%, #FFD700 40%, #E6B800 100%);
    box-shadow:
        0 4px 15px rgba(255, 215, 0, 0.35),
        inset 0 1px 1px rgba(255, 255, 255, 0.8);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

    overflow: hidden;
    /* For shimmer */
    z-index: 10;
}

/* Shimmer Animation */
.header-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 60%;
    height: 100%;
    background: linear-gradient(120deg,
            transparent 0%,
            rgba(255, 255, 255, 0.6) 50%,
            transparent 100%);
    transform: skewX(-25deg);
    animation: btnShimmer 4s infinite;
    pointer-events: none;
}

.header-cta:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #FFFCE6 0%, #FFDF33 40%, #F0C400 100%);
    box-shadow:
        0 6px 25px rgba(255, 215, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.9);
    color: #2b2000;
}

.header-cta:active {
    transform: translateY(1px);
    box-shadow:
        0 2px 8px rgba(255, 215, 0, 0.3),
        inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

@keyframes btnShimmer {
    0% {
        left: -150%;
    }

    15%,
    100% {
        left: 200%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .header-cta::before {
        animation: none;
        display: none;
    }

    .header-cta {
        transition: none;
    }
}

/* Mobile Toggle (Default Hidden) */
.menu-toggle {
    display: none;
    border: none;
    color: #0f766e;
    font-size: 28px;
    cursor: pointer;
     padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

/* Mobile Drawer (Default Hidden) */
#nav-menu,
#menuBackdrop {
    display: none;
}

/* --- MOBILE (< 900px) --- */
@media (max-width: 900px) {
    body {
        padding-top: 0;
    }

    /* Hide Desktop */
    .desktop-nav,
    .desktop-actions {
        display: none !important;
    }

    /* Show Toggle */
    .menu-toggle {
        display: inline-flex !important;
    }

    /* Drawer Styles */
    #nav-menu {
        position: fixed;
        top: 72px;
        right: 0;
        width: 280px;
        height: calc(100vh - 72px);
        background: linear-gradient(
            180deg,
            rgba(11, 42, 47, 0.92),
            rgba(15, 118, 110, 0.92)
        );
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px;
        flex-direction: column;
        gap: 10px;
        z-index: 2000;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.8);
        display: none;
        /* strict default */
    }

    #nav-menu .header-cta,
    #nav-menu .btn-primary {
    background: linear-gradient(
        135deg,
        #1fbfb8,
        #138f8a
    );
    color: #ffffff;
    box-shadow: 0 10px 26px rgba(31, 191, 184, 0.35);
    }

    #nav-menu.is-open {
        display: flex !important;
        animation: slideIn 0.3s forwards;
    }

    #nav-menu a {
        padding: 12px;
        font-size: 1.1rem;
        color: #fff;
        text-decoration: none;
        border-radius: 8px;
        transition: 0.2s;
        display: block;
    }

    #nav-menu a:hover {
        background: rgba(255, 215, 0, 0.1);
        color: #FFD700;
    }

    /* Backdrop */
    #menuBackdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.7);
        z-index: 1900;
        backdrop-filter: blur(4px);
        display: none;
    }

    #menuBackdrop.is-open {
        display: block !important;
    }

    /* Body Lock */
    body.menu-open {
        overflow: hidden;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* --- Hero Slider (Aspect Ratio Fix) --- */
.hero-slider {
    position: relative;
    width: 96%;
    max-width: 1200px;
    margin: 0 auto;
    /* Spacing */
    aspect-ratio: 16 / 9;
    /* Desktop Ratio */
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
    0 25px 60px rgba(0, 0, 0, 0.18),   /* 主阴影 */
    0 0 0 1px rgba(255, 255, 255, 0.35), /* 玻璃边缘 */
    0 20px 60px rgba(31, 191, 184, 0.25); /* Tropicana 光晕 */
    z-index: 10;
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    margin-top: 10px;
}

.hero-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.hero-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease;
    margin-top: -30px;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

/* Image Filling */
.slide-main {
    width: 100%;
    height: 100%;
    object-fit: auto;
    /* ✅ 不裁切，完整显示 */
    object-position: center;
    display: block;
}

/* Vignette Overlay */
.slide-mask {
    position: absolute;
    inset: 0;
    /* background: radial-gradient(circle at center, transparent 50%, rgba(0, 0, 0, 0.6) 100%); */
    z-index: 2;
    pointer-events: none;
}

/* Content & CTA Layout */
.slide-content-wrapper {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* Align bottom */
    align-items: center;
     padding-bottom: 48px; /* 👈 move button up */
    /* Space above dots */
}

/* Dots (Inside Image) */
.slider-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 20;
    /* Above overlay */
    padding: 0;
    margin: 0;
}

.slider-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: 0.3s;
}

.slider-dot.active {
    width: 20px;
    border-radius: 10px;
    background: var(--gold-primary);
    opacity: 1;
}

/* Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    z-index: 20;
    transition: 0.3s;
    opacity: 0;
}

.hero-slider:hover .slider-arrow {
    opacity: 1;
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

.slider-arrow:hover {
    background: var(--gold-primary);
    color: #000;
}

/* --- Mobile Fixes (< 768px) --- */
@media (max-width: 768px) {
    .hero-slider {
        width: 100%;
        aspect-ratio: 4 / 5;
        margin: 0;
        /* FIX */
        overflow: hidden;
        
        /* background: #000; */
        /* fill the empty space nicely */
    }

    .hero-slider img {
        width: 100%;
        height: 100%;
        object-fit: contain;
        /* SHOW ALL (no cropping) */
        object-position: center;
        display: block;
    }

    .slide-content-wrapper{
        padding-bottom: 68px; /* adjust */
    }

    .slide-main {
        height: auto;
    }

    /* Dots tighter */
    .slider-dots {
        bottom: 10px;
    }

    .slider-arrow {
        display: none;
    }

    .hero-cta {
        font-size: 1rem;
        padding: 12px 32px;
    }
}

.slide-content-wrapper {
    
}
/* Promotions Grid */
/* Promotions Grid & Card System */
.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: #138f8a; /* Tropical Teal */
  text-shadow: 0 2px 0 rgba(255, 183, 3, 0.22);
}


.section-subtitle {
    opacity: 0.7;
    font-size: 1.2rem;
}

/* Grid Layout (Desktop Default) */
.promotions-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

/* Card Base */
.promo-card {
    position: relative;
    cursor: pointer;
    transition: 0.4s ease;
    border-radius: 18px;
    background: transparent;
}

.promo-card:hover {
    transform: translateY(-5px);
      box-shadow:
    0 26px 70px rgba(2, 16, 23, 0.18),
    0 0 0 1px rgba(31, 191, 184, 0.22); /* 微青绿边缘 */
}

/* Cards & Panels */
.promo-card,
.modal-container,
.modal-content-col {
  background: rgba(255, 255, 255, 0.50) !important;
  border-left: 1px solid rgba(255, 255, 255, 0.50) !important;
  backdrop-filter: blur(10px);

}

/* 1) Media Area (Aspect Ratio 16:9 + Contain Image) */
.promo-media {
    aspect-ratio: 16 / 9;
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 2) Background Blur Fill */
.promo-bg {
    position: absolute;
    inset: 0;
    background-image: var(--img);
    background-size: cover;
    background-position: center;
    filter: blur(18px);
    transform: scale(1.08);
    opacity: 0.55;
    z-index: 0;
}

.promo-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.55));
    z-index: 1;
}

/* 3) Foreground Image (Contain) */
.promo-img {
    position: absolute;
    inset: 0;
    width: 100%;
    object-fit: contain;
    object-position: center;
    z-index: 2;
    transition: transform 0.5s ease;
}

.promo-card:hover .promo-img {
    transform: scale(1.03);
}

/* 4) Meta Data (Separated) */
.promo-meta {
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.50);
    transition: 0.3s;

}

.promo-card:hover .promo-meta {
  background: rgba(31, 191, 184, 0.18);   /* Tropicana teal */
  border-color: rgba(31, 191, 184, 0.35);
}

.promo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.promo-title {
    font-size: 1rem;
    font-weight: 600;
    color: #08252a;;
    line-height: 1.2;
}

.promo-sub {
    font-size: 0.8rem;
    color: rgba(8, 37, 42, 0.62);
    opacity: 0.9;
}

.btn-claim {
    padding: 6px 16px;
    border-radius: 50px;
    color: #000;
    font-weight: 700;
    font-size: 0.8rem;
    border: none;
    cursor: pointer;
    box-shadow: 0 0 5px rgba(255, 215, 0, 0.3);
}

/* How It Works */
.stepper-wrapper {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 4rem;
}

.stepper-line {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

.stepper-item {
    text-align: center;
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.60);
    border: 1px solid rgba(11, 42, 47, 0.18);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #0b2a2f;
    margin-bottom: 1.5rem;
    transition: 0.3s;
    box-shadow: 0 0 14px rgba(0,229,255,0.25);
}

.stepper-item:hover .step-icon {
  background: linear-gradient(
    135deg,
    #ffe08a,
    #ffb703
  );
  color: #1f2937;
  box-shadow:
    0 10px 26px rgba(255, 183, 3, 0.45),
    0 0 0 6px rgba(255, 183, 3, 0.18);
}

/* Rewards */
.rewards-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.feature-checklist li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
    color: rgba(11, 42, 47, 0.88);
}

.feature-checklist i {
    font-size: 2rem;
    color: #ffb703; /* gold */
    text-shadow: 0 2px 10px rgba(255, 183, 3, 0.25);
}

.stats-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-top: 2rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.62);
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow:
        0 14px 40px rgba(2, 16, 23, 0.12),
        0 1px 0 rgba(255, 255, 255, 0.55) inset;
    backdrop-filter: blur(12px);
    padding: 15px;
    border-radius: 12px;
    text-align: center;
}

.stat-num {
    display: block;
    font-size: 1.2rem;
    color: #0b2a2f;
    font-weight: 800;
    letter-spacing: 0.2px;
}

.stat-num.highlight {
    color: #138f8a; /* deeper teal */
    font-size: 1.4rem;
    text-shadow: 0 6px 18px rgba(31, 191, 184, 0.22);
}

.stat-lbl {
    font-size: 0.8rem;
    opacity: 0.6;
}

.feed-panel {
    height: 400px;
    display: flex;
    flex-direction: column;
}

.feed-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
    margin-bottom: 10px;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #ff4d4d;
    font-weight: bold;
}

.blink {
    width: 8px;
    height: 8px;
    background: red;
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.feed-window {
    flex: 1;
    overflow: hidden;
    position: relative;
    mask-image: linear-gradient(to bottom, transparent, black 10%, black 90%, transparent);
}

.feed-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: scrollUp 20s linear infinite;
}

.feed-content:hover {
    animation-play-state: paused;
}

@keyframes scrollUp {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(-50%);
    }
}

.feed-row {
    display: flex;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.42);
    border: 1px solid rgba(11, 42, 47, 0.06) ;
    border-radius: 8px;
    padding: 12px 14px;
    transition: 0.25s;
    align-items: center;
}

.feed-user {
    font-weight: 600;
    color: #138f8a;  /* deeper teal */
}

.feed-val {
  background: linear-gradient(180deg, #ffd76a 0%, #ffb703 55%, #d18b00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.demo-badge {
    font-size: 0.7rem;
    text-align: center;
    opacity: 0.3;
    margin-top: 5px;
}

/* FAQ */
.acc-item {
    background: rgba(255, 255, 255, 0.60) ;
    border: 1px solid rgba(255, 255, 255, 0.70) ;
    backdrop-filter: blur(14px);
    border-radius: 14px;
    margin-bottom: 14px;
    box-shadow:
        0 16px 45px rgba(2, 16, 23, 0.12),
        0 1px 0 rgba(255, 255, 255, 0.55) inset;
}

.acc-header {
    width: 100%;
    padding: 20px;
    text-align: left;
    background: none;
    border: none;
    color: #0b2a2f ;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.acc-body {
    max-height: 0;
    overflow: hidden;
    transition: 0.4s;
    background: rgba(0, 0, 0, 0.2);
}

.acc-inner {
    padding: 20px;
    padding-top: 0;
    color: rgba(255, 255, 255, 0.7);
}

.acc-item.active .acc-body {
    max-height: 200px;
}

.acc-item.active .acc-header i {
    transform: rotate(180deg);
}

/* Contact Form */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 2rem;
}

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.62);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.72);
}

.social-card:hover {
    border-color: rgba(31, 191, 184, 0.35) !important;
    box-shadow:
        0 22px 70px rgba(31, 191, 184, 0.16),
        0 0 0 1px rgba(31, 191, 184, 0.18) !important;
    transform: translateY(-3px);
}

.social-card i {
    font-size: 2rem;
    margin-bottom: 10px;
    color: #d99a1a ;
}

.crazy-form .input-group {
    position: relative;
    margin-bottom: 2rem;
}

.crazy-form input,
.crazy-form textarea {
    width: 100%;
    background: none;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px 0;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.crazy-form label {
    position: absolute;
    top: 10px;
    left: 0;
    pointer-events: none;
    transition: 0.3s;
    color: rgba(255, 255, 255, 0.5);
}

.crazy-form input:focus~label,
.crazy-form input:not(:placeholder-shown)~label,
.crazy-form textarea:focus~label,
.crazy-form textarea:not(:placeholder-shown)~label {
    top: -20px;
    font-size: 0.8rem;
    color: var(--gold-primary);
}

.crazy-form .bar {
    width: 0;
    height: 2px;
    background: var(--gold-primary);
    transition: 0.3s;
    margin-top: -1px;
}

.crazy-form input:focus~.bar,
.crazy-form textarea:focus~.bar {
    width: 100%;
}

/* Modal System (Premium Split) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  background: rgba(10, 30, 35, 0.38);  /* 深青灰，亮主题更高级 */
  backdrop-filter: blur(6px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: all 0.4s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* Container: Desktop Split Layout */
.modal-container {
    width: min(980px, 92vw);
    height: min(86vh, 760px);
    background: #ffffff00;
    border-radius: 24px;
     border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    0 30px 90px rgba(2, 16, 23, 0.28),
    0 1px 0 rgba(255, 255, 255, 0.55) inset;
  background: rgba(255, 255, 255, 0.20);
    display: flex;
    overflow: hidden;
    position: relative;
    transform: scale(0.96);
    opacity: 0;
    transition: 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
    opacity: 1;
}

/* Close Button (Floating) */
.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-close:hover {
    background: var(--gold-primary);
    color: #000;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
}

/* Left Column: Media */
.modal-media-col {
    width: 52%;
    position: relative;
    overflow: hidden;
    background: #000;
    border-right: 1px solid rgba(255, 255, 255, 0.18);
}

.modal-blur-bg {
    position: absolute;
    inset: 0;
    background-image: var(--modal-bg);
    background-size: cover;
    background-position: center;
    filter: blur(32px) saturate(1.15) brightness(0.95);
    transform: scale(1.2);
    opacity: 0.92;
    z-index: 0;
}

.modal-main-img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 1;
    padding: 40px;
    /* Air around image */
}

/* Right Column: Content */
.modal-content-col {
    width: 48%;
    display: flex;
    flex-direction: column;
    background: #181818;
}

.modal-body-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
    padding-bottom: 20px;
}

/* Scrollbar Styling for Modal */
.modal-body-scroll::-webkit-scrollbar {
    width: 6px;
}

.modal-body-scroll::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.modal-body-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.modal-header {
    margin-bottom: 24px;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 5px;
}

.modal-subtitle {
    color: var(--gold-primary);
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Chips */
.modal-chips {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.chip {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
    flex: 1;
    min-width: 140px;
    transition: 0.3s;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--gold-primary);
}

.chip i {
    font-size: 1.4rem;
    color: var(--gold-primary);
}

.chip-label {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
}

.chip-val {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
}

.modal-desc-block {
    margin-bottom: 30px;
}

.modal-desc-block h4,
.modal-steps h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 5px;
    display: inline-block;
}

.modal-desc-block p {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

/* Steps */
.modal-steps ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-steps li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
}

.step-num {
    width: 24px;
    height: 24px;
    background: var(--gold-primary);
    color: #000;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Sticky Footer CTA */
.modal-cta-box {
    padding: 24px 40px;
    background: #14141400;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    z-index: 5;
}

.modal-tnc {
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 12px;
}

/* Mobile Modal Override (Keep it simple and full) */
@media screen and (max-width: 1023px) {
    .modal-container {
        flex-direction: column;
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        border-radius: 0;
        transform: translateY(100px);
        /* Slide up on mobile */
    }

    .modal-overlay.active .modal-container {
        transform: translateY(0);
    }

    .modal-media-col {
        width: 100%;
        height: 40vh;
        /* Top part */
        flex-shrink: 0;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .modal-main-img {
        padding: 20px;
    }

    .modal-content-col {
        width: 100%;
        flex: 1;
    }

    .modal-body-scroll {
        padding: 24px;
    }

    .modal-cta-box {
        padding: 16px 24px;
    }

    .modal-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

/* Responsive Grid */
@media screen and (max-width: 1024px) {
    .promotions-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .home-title {
        font-size: 3rem;
    }
}

/* Mobile (Horizontal Carousel) - Applies to small screens */
@media screen and (max-width: 768px) {
    .header-actions {
        display: none !important;
    }

    /* Legacy Nav Code Removed for Cleanup */

    .home-container,
    .rewards-container,
    .contact-container,
    .modal-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .home-buttons,
    .home-bullets li,
    .social-grid,
    .stats-row {
        justify-content: center;
    }

    /* 1) overlay 本身允许内部滚动布局 */
    .modal-overlay {
        position: fixed;
        inset: 0;
        overflow: hidden;
        /* 外层不滚，里面滚 */
        -webkit-overflow-scrolling: touch;
    }

    /* 2) 让整个 modal 在手机高度不超出屏幕 */
    .modal-container {
        max-height: 90vh;
        width: 92vw;
        overflow: hidden;
        border-radius: 10px;
        /* 关键：不让 container 自己乱滚 */
    }

    /* 3) 手机通常你会变成单列：上图下内容 */
    .modal-container {
        grid-template-columns: 1fr;
        /* 你原本已经做了 */
    }

    /* 4) 右侧内容列做成 flex，让 body 才能滚 */
    .modal-content-col {
        display: flex;
        flex-direction: column;
        min-height: 0;
        /* 🔥 关键，不然 overflow-y 不会生效 */
        overflow: hidden;
    }

    /* 5) 只让内容区滚动 */
    .modal-body-scroll {
        flex: 1 1 auto;
        min-height: 0;
        /* 🔥 关键 */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
        /* 避免最后一行贴底 */
    }

    /* 6) CTA 固定在底部（你的结构已经是 footer） */
    .modal-cta-box {
        flex: 0 0 auto;
    }


    .section-header {
        margin-bottom: 1.5rem;
        padding: 0 16px;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .promotions-grid {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding: 0 16px 30px 16px;
        /* Bottom padding for scrollbar space */
        -webkit-overflow-scrolling: touch;

        /* Hide scrollbar for cleaner look if desired, but user didn't explicitly ask to hide it, just generic horizontal scroll */
    }

    .promo-card {
        min-width: min(84vw, 360px);
        scroll-snap-align: start;
        flex: 0 0 min(84vw, 360px);
    }

    /* Ensure height is controlled */
    .promo-media {
        aspect-ratio: 16 / 9;
        max-height: 260px;
        /* Safety constraint */
    }

    /* Adjust padding & stepper */
    .stepper-wrapper {
        flex-direction: column;
        gap: 2rem;
        padding-left: 20px;
    }

    .stepper-line {
        width: 2px;
        height: 100%;
        left: 60px;
        top: 0;
    }

    .stepper-item {
        flex-direction: row;
        gap: 20px;
        text-align: left;
    }

    .feature-checklist li {
        justify-content: center;
    }

    .modal-image-wrapper {
        height: 250px;
    }

    .modal-content {
        padding: 20px;
    }
}

@media screen and (max-width: 480px) {
    .home-title {
        font-size: 2.5rem;
    }
}

/* Animations Trigger */
.reveal-on-scroll,
.stagger-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s ease-out;
}

.reveal-on-scroll.visible,
.stagger-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

.delay-400 {
    transition-delay: 0.4s;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #00b894;
    color: #fff;
    padding: 12px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    transition: 0.5s;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* --- Premium Footer --- */
.footer {
    padding: 60px 0 0;
    background: rgba(11, 42, 47, 0.16);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
}

.footer-inner {
    display: grid;
    /* 3 Columns: Brand (Wide), Links, Support */
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-logo {
    width: 64px;
    height: auto;
    display: block;
    margin-bottom: 16px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
    max-width: 320px;
}

.footer-title {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 0;
    transition: 0.3s;
}

.footer-col a:hover {
    color: var(--gold-primary);
    transform: translateX(5px);
}

.footer-bottom {
    background: rgba(11, 42, 47, 0.26);
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-badges {
    display: flex;
    gap: 12px;
}

/* Footer Responsive */
@media (max-width: 960px) {
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-tagline {
        max-width: 100%;
    }

    .footer-logo {
        margin: 0 auto 16px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 16px;
    }
}

/* --- TROPICAL THEME REFITS (Force Light Theme) --- */

/* Nav Links */
.nav-links a {
    color: var(--text-heading);
}

.nav-links a:hover {
    color: var(--gold-primary);
}

.header-actions .btn-outline {
    border-color: var(--card-border);
    color: var(--text-heading);
}

/* Mobile Menu */
@media (max-width: 960px) {
    #nav-menu {
    background: linear-gradient(
        180deg,
        rgba(224, 247, 244, 0.96),
        rgba(205, 239, 235, 0.96)
    );
    }

    #nav-menu a {
        color: #0b2a2f;
        background: rgba(0, 0, 0, 0.03);
    }

    #nav-menu a:hover {
        background: var(--gold-soft);
        color: #000;
        border-color: var(--gold-primary);
    }

    .menu-toggle svg {
        stroke: var(--text-heading);
    }

    #menuBackdrop {
        background: rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(4px);
    }
}

/* Hero */
.hero-slider {
    /* background: #00000000;
    box-shadow: var(--card-shadow); */
}

.slider-arrow {
    background: rgba(255, 255, 255, 0.3);
    color: #000;
    border-color: rgba(0, 0, 0, 0.1);
}


.section-subtitle {
    color: var(--text-muted);
    opacity: 1;
}

h2,
h3,
h4 {
    color: var(--text-heading);
}


.stat-num {
    color: var(--text-heading);
}

.stat-lbl {
    color: var(--text-muted);
    opacity: 0.8;
}

.stat-box:hover{
    transform: translateY(-4px);
    border-color: var(--neon-cyan);
    box-shadow:
            0 0 0 1px rgba(0, 229, 255, 0.25),
            0 10px 30px rgba(0, 229, 255, 0.25);
}

/* Promo Cards
.promo-meta {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.10);
} */

.promo-title {
    color: var(--text-heading);
}

.promo-sub {
    color: var(--text-muted);
}

/* Feed Panel */
.feed-panel {
    background: linear-gradient(
    180deg,
    rgba(255,255,255,0.66),
    rgba(255,255,255,0.56));
  border: 1px solid rgba(255, 255, 255, 0.70);
  box-shadow:
    0 22px 60px rgba(2, 16, 23, 0.14),
    0 1px 0 rgba(255, 255, 255, 0.55) inset;
  backdrop-filter: blur(14px);
  border-radius: 16px;
  padding: 10px;
}

.feed-header {
    border-bottom: 1px solid rgba(11, 42, 47, 0.10);
}

.feed-title-row h3 {
    color: var(--text-heading);
}

.feed-labels {
    color: var(--text-muted);
}

.feed-row:hover {
    background: #F3F4F6;
}

.col-phone {
    color: var(--text-heading);
}

.col-dep {
    color: var(--text-body);
}

.col-with {
    color: var(--gold-primary);
}

/* Accordion */
.acc-header {
    color: var(--text-heading);
}

.acc-inner {
    color: var(--text-body);
}

.acc-body {
    background: rgba(0, 0, 0, 0.02);
}

/* Contact Form */
.crazy-form input,
.crazy-form textarea {
    border-bottom: 1px solid var(--card-border);
    color: var(--text-heading);
}

.crazy-form label {
    color: var(--text-muted);
}

.crazy-form input:focus~label,
.crazy-form textarea:focus~label {
    color: var(--gold-primary);
}

/* Footer */

.footer-title {
    color: rgba(255, 255, 255, 0.92);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.70);
}

.footer a {
    color: rgba(255, 255, 255, 0.70);
}

.footer-bottom p {
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--teal-primary);
}

/* Modal */
.modal-overlay {
    background: rgba(17, 24, 39, 0.45);
}

.modal-container {
    background: #ffffff00;
    border: 1px solid var(--card-border);
}

.modal-content-col {
    background: #ffffff00;
}

.modal-header h3 {
    color: var(--text-heading);
}

.modal-close {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-heading);
    border: 1px solid var(--card-border);
}

.modal-close:hover {
    background: var(--gold-primary);
    color: #fff;
}

.modal-chips .chip {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(31, 191, 184, 0.35);
}

.chip-label {
    color: rgba(11, 42, 47, 0.65);
}

.chip-val {
    color: #0b2a2f;
}

.modal-desc-block p,
.modal-steps li {
    color: var(--text-body);
}

.modal-desc-block h4,
.modal-steps h4 {
    color: var(--text-muted);
    border-bottom: 1px solid var(--card-border);
}


.modal-tnc {
    color: var(--text-muted);
}

/* --- SECTION SEPARATION STRATEGY --- */

/* 1. Promotions (Default) */
#promotions {
    background-color: var(--bg-page);
}

/* 2. How It Works (Warm Alt) */
#how {
    background-color: var(--bg-section-alt);
}

/* 3. Rewards / Stats (Default) */
#rewards {
    background-color: var(--bg-page);
}

/* 4. FAQ (Warm Alt) */
#faq {
    background-color: var(--bg-section-alt);
}

/* 5. Contact (Default) */
#contact {
    background-color: var(--bg-page);
}


/* --- COMPONENT REFINEMENTS --- */

/* Primary CTA Override */
.btn-primary,
.btn-claim {
  background: linear-gradient(
    135deg,
    #ffd76a 0%,
    #ffb703 60%,
    #ff9f1c 100%
  );
  box-shadow:
    0 3px 5px rgba(255, 183, 3, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
  color: #2a1600;
  font-weight: 800;
  letter-spacing: 1px;
  border-radius: 999px;
  padding: 10px 20px;
  position: relative;
  overflow: hidden;
  transition: 0.3s ease;
}

.btn-primary:hover,
.btn-claim:hover {
    background: #FFD76A;
    box-shadow: 0 4px 10px rgba(230, 179, 37, 0.35);
}

/* Secondary Button */
.btn-outline {
    background: #FFFFFF;
    border: 1px solid var(--teal-primary);
    color: var(--teal-primary);
}

.btn-outline:hover {
    background: var(--teal-soft);
    border-color: var(--teal-primary);
}

/* Modal Dimmer */
.modal-overlay {
    background: rgba(17, 24, 39, 0.45);
    backdrop-filter: blur(4px);
}

#rewards .feature-checklist i[class*="ph-"],
#rewards .feature-checklist i[class*="ph-"]::before {
  color: #d99a1a !important; /* deeper gold */
  text-shadow: 0 2px 10px rgba(255,183,3,.18) !important;
}

.cta-pulse{
  animation: ctaPulse 1.6s ease-in-out infinite;
  transform-origin: center;
  will-change: transform, box-shadow;
}

/* 偶尔跳一下，不是一直抖 */
@keyframes ctaPulse{
  0%, 78%, 100% { transform: translateY(0) scale(1); box-shadow: 0 5px 30px rgba(255,183,3,.45); }
  82% { transform: translateY(-2px) scale(1.03); box-shadow: 0 7px 32px rgba(255,183,3,.58); }
  86% { transform: translateY(0) scale(1.01); box-shadow: 0 6px 28px rgba(255,183,3,.52); }
  90% { transform: translateY(-1px) scale(1.02); box-shadow: 0 14px 32px rgba(255,183,3,.58); }
  94% { transform: translateY(0) scale(1); box-shadow: 0 10px 26px rgba(255,183,3,.45); }
}

/* 尊重系统减少动画 */
@media (prefers-reduced-motion: reduce){
  .cta-pulse{ animation: none; }
}