/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 防止翻译闪烁：翻译完成前隐藏可翻译内容 */
html:not(.i18n-ready) [data-i18n] {
    opacity: 0;
}

html.i18n-ready [data-i18n] {
    opacity: 1;
    transition: opacity 0.2s ease-in;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #1d1d1d;
    color: #ffffff;
    line-height: 1;
    overflow-x: hidden;
}

/* ===== 自定义滚动条样式 ===== */
/* Webkit 浏览器（Chrome, Safari, Edge）*/
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(20, 20, 20, 0.8);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FFD700 0%, #FFA500 100%);
    border-radius: 6px;
    border: 2px solid rgba(20, 20, 20, 0.8);
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #FFE55C 0%, #FFB733 100%);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

::-webkit-scrollbar-thumb:active {
    background: linear-gradient(180deg, #FFC107 0%, #FF9800 100%);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #FFD700 rgba(20, 20, 20, 0.8);
}

/* 根据语言自动切换字体 */
:lang(zh-CN) body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:lang(zh-TW) body {
    font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

:lang(en) body {
    font-family: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 首屏视频区 ===== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

/* 手机端视频适配 */
@media (max-width: 768px) {
    .hero-video {
        width: 100%;
        height: 100%;
        min-width: auto;
        min-height: auto;
        object-fit: cover;
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0) 40%, rgba(0,0,0,0) 70%, rgba(27, 25, 39, 1) 100%);
    z-index: 2;
}

/* LOGO 左上角 */
.hero-logo-corner {
    position: absolute;
    top: 30px;
    left: 40px;
    z-index: 100;
}

.hero-logo-corner img {
    height: 60px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

/* 右上角按钮 */
.hero-corner-btn {
    position: absolute;
    top: 30px;
    right: 40px;
    z-index: 100;
}

/* 语言切换器 */
.hero-lang-switcher {
    position: absolute;
    top: 30px;
    right: 40px;
    z-index: 100;
}

.lang-switcher-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    color: #ffffff;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.lang-switcher-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 215, 0, 0.5);
    color: #FFD700;
}

.lang-switcher-btn:hover .lang-globe-icon {
    color: #FFD700;
}

.lang-globe-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.lang-switcher-btn .lang-arrow-icon {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: 2px;
}

.hero-lang-switcher.active .lang-switcher-btn .lang-arrow-icon {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    min-width: 130px;
    background: rgba(20, 20, 20, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s ease;
    backdrop-filter: blur(20px);
}

.hero-lang-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: all 0.15s ease;
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ffffff;
}

.lang-option.active {
    background: rgba(255, 215, 0, 0.15);
    color: #FFD700;
    font-weight: 500;
}

.corner-btn {
    padding: 10px 30px;
    background: rgba(0, 217, 217, 0.9);
    color: #000;
    font-size: 16px;
    font-weight: 700;
    border: none;
    clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 217, 217, 0.3);
    text-decoration: none;
    display: inline-block;
}

.corner-btn:hover {
    background: rgba(0, 217, 217, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 217, 217, 0.5);
}

/* 中间内容 */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    margin-top: 10vh;
}

.hero-slogan {
    margin-bottom: 40px;
}

.slogan-main {
    display: block;
    text-align: center;
    margin-bottom: 10px;
    letter-spacing: 8px;
    font-size: 70px;
    font-weight: 900;
    text-transform: uppercase;
    color: #fff;
    font-family: 'Oswald', sans-serif;
}

/* 英文环境下减小字间距 */
:lang(en) .slogan-main {
    letter-spacing: 2px;
}

/* 故障效果 */
.glitch {
    position: relative;
    padding: 0 5px;
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    width: 100%;
    height: 100%;
    background: transparent;
    overflow: hidden;
    top: 0;
    left: 0;
    padding: 0 5px;
    box-sizing: border-box;
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 red;
    animation-name: glitch-animation-1;
    animation-duration: 2s;
    animation-timing-function: linear;
    animation-delay: 0s;
    animation-iteration-count: infinite;
    animation-direction: reverse-alternate;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 blue;
    animation-name: glitch-animation-2;
    animation-duration: 2s;
    animation-timing-function: linear;
    animation-delay: 0s;
    animation-iteration-count: infinite;
    animation-direction: reverse-alternate;
}

/* 让第二个 glitch 元素的动画错开 */
.slogan-main:nth-child(2).glitch::before {
    animation-delay: -0.5s;
}

.slogan-main:nth-child(2).glitch::after {
    animation-delay: -0.5s;
}

@keyframes glitch-animation-1 {
    0% {
        clip-path: inset(46% 0 12% 0);
    }
    5% {
        clip-path: inset(63% 0 64% 0);
    }
    10% {
        clip-path: inset(97% 0 47% 0);
    }
    15% {
        clip-path: inset(50% 0 67% 0);
    }
    20% {
        clip-path: inset(5% 0 80% 0);
    }
    25% {
        clip-path: inset(100% 0 59% 0);
    }
    30% {
        clip-path: inset(58% 0 5% 0);
    }
    35% {
        clip-path: inset(47% 0 3% 0);
    }
    40% {
        clip-path: inset(44% 0 73% 0);
    }
    45% {
        clip-path: inset(100% 0 66% 0);
    }
    50% {
        clip-path: inset(90% 0 64% 0);
    }
    55% {
        clip-path: inset(77% 0 59% 0);
    }
    60% {
        clip-path: inset(41% 0 41% 0);
    }
    65% {
        clip-path: inset(59% 0 12% 0);
    }
    70% {
        clip-path: inset(43% 0 67% 0);
    }
    75% {
        clip-path: inset(75% 0 17% 0);
    }
    80% {
        clip-path: inset(1% 0 61% 0);
    }
    85% {
        clip-path: inset(53% 0 100% 0);
    }
    90% {
        clip-path: inset(57% 0 49% 0);
    }
    95% {
        clip-path: inset(6% 0 65% 0);
    }
    100% {
        clip-path: inset(82% 0 1% 0);
    }
}

@keyframes glitch-animation-2 {
    0% {
        clip-path: inset(57% 0 68% 0);
    }
    5% {
        clip-path: inset(40% 0 77% 0);
    }
    10% {
        clip-path: inset(18% 0 3% 0);
    }
    15% {
        clip-path: inset(77% 0 9% 0);
    }
    20% {
        clip-path: inset(31% 0 13% 0);
    }
    25% {
        clip-path: inset(97% 0 89% 0);
    }
    30% {
        clip-path: inset(36% 0 91% 0);
    }
    35% {
        clip-path: inset(40% 0 65% 0);
    }
    40% {
        clip-path: inset(27% 0 15% 0);
    }
    45% {
        clip-path: inset(27% 0 96% 0);
    }
    50% {
        clip-path: inset(95% 0 39% 0);
    }
    55% {
        clip-path: inset(87% 0 82% 0);
    }
    60% {
        clip-path: inset(5% 0 12% 0);
    }
    65% {
        clip-path: inset(55% 0 52% 0);
    }
    70% {
        clip-path: inset(36% 0 17% 0);
    }
    75% {
        clip-path: inset(34% 0 15% 0);
    }
    80% {
        clip-path: inset(40% 0 69% 0);
    }
    85% {
        clip-path: inset(81% 0 42% 0);
    }
    90% {
        clip-path: inset(40% 0 8% 0);
    }
    95% {
        clip-path: inset(21% 0 17% 0);
    }
    100% {
        clip-path: inset(56% 0 94% 0);
    }
}

.slogan-sub {
    display: block;
    font-size: 20px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 6px;
    text-transform: uppercase;
    margin-top: 20px;
}

.slogan-date {
    display: block;
    font-size: 16px;
    font-weight: 300;
    color: rgba(255, 215, 0, 0.8);
    letter-spacing: 2px;
    margin-top: 15px;
}

.btn-register {
    padding: 16px 50px;
    font-size: 32px;
    font-weight: 900;
    background: linear-gradient(135deg, transparent 5%, #ffe135 5%, #FFD700 95%, transparent 95%);
    border: 0;
    color: #1a0d00;
    letter-spacing: 3px;
    line-height: 1.2;
    filter: drop-shadow(0 4px 2px rgba(92, 78, 0, 0.5));
    outline: transparent;
    position: relative;
    text-transform: uppercase;
    cursor: pointer;
}

.btn-register::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/grunge-texture.jpg');
    opacity: 0.9;
    background-size: cover;
    mix-blend-mode: overlay;
    pointer-events: none;
    mask: linear-gradient(135deg, transparent 5%, black 5%, black 95%, transparent 95%);
    -webkit-mask: linear-gradient(135deg, transparent 5%, black 5%, black 95%, transparent 95%);
}

/* 根据语言设置字体 */
:lang(zh-CN) .btn-register {
    font-family: 'Noto Sans SC', 'Oswald', sans-serif;
}

:lang(zh-TW) .btn-register {
    font-family: 'Noto Sans TC', 'Oswald', sans-serif;
}

:lang(en) .btn-register {
    font-family: 'Oswald', sans-serif;
    letter-spacing: 1px;
}

/* 普通按钮的描边效果 */
.btn-register:not(.btn-glitch)::before {
    content: attr(data-stroke);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-text-stroke: 0.2rem #1b0600;
    color: transparent;
    z-index: -1;
    text-transform: uppercase;
    pointer-events: none;
}

/* 故障效果的CSS变量 */
.btn-glitch::after {
    --slice-0: inset(50% 50% 50% 50%);
    --slice-1: inset(80% -6px 0 0);
    --slice-2: inset(50% -6px 30% 0);
    --slice-3: inset(10% -6px 85% 0);
    --slice-4: inset(40% -6px 43% 0);
    --slice-5: inset(80% -6px 5% 0);

    content: attr(data-glitch);
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 3%, #00ffb1 3%, #00ffb1 5%, #FFD700 5%);
    text-shadow: -3px -3px 0px #ff0000, 3px 3px 0px #00e6f6;
    clip-path: var(--slice-0);
}

/* 按钮提示文字 */
.btn-hint {
    margin-top: 12px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    letter-spacing: 0.5px;
}

/* 按钮故障效果动画 */
.btn-glitch:hover::after {
    animation: 1s glitch;
    animation-timing-function: steps(2, end);
}

@keyframes glitch {
    0% {
        clip-path: var(--slice-1);
        transform: translate(-20px, -10px);
    }
    10% {
        clip-path: var(--slice-3);
        transform: translate(10px, 10px);
    }
    20% {
        clip-path: var(--slice-1);
        transform: translate(-10px, 10px);
    }
    30% {
        clip-path: var(--slice-3);
        transform: translate(0px, 5px);
    }
    40% {
        clip-path: var(--slice-2);
        transform: translate(-5px, 0px);
    }
    50% {
        clip-path: var(--slice-3);
        transform: translate(5px, 0px);
    }
    60% {
        clip-path: var(--slice-4);
        transform: translate(5px, 10px);
    }
    70% {
        clip-path: var(--slice-2);
        transform: translate(-10px, 10px);
    }
    80% {
        clip-path: var(--slice-5);
        transform: translate(20px, -10px);
    }
    90% {
        clip-path: var(--slice-1);
        transform: translate(-10px, 0px);
    }
    100% {
        clip-path: var(--slice-1);
        transform: translate(0);
    }
}

/* 底部导航条 */
.hero-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.hero-bottom-left,
.hero-bottom-right {
    position: absolute;
    bottom: 8px;
    font-size: 20px;
    font-weight: 900;
    font-style: italic;
    color: rgba(255, 255, 255, 0.15);
    letter-spacing: 2px;
    text-transform: uppercase;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.hero-bottom-left {
    left: 40px;
}

.hero-bottom-right {
    right: 40px;
}

.highlight-text {
    color: rgba(255, 255, 255, 0.4);
}

.hero-tagline {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 100px;
    font-weight: 900;
    font-style: italic;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.15) 0px,
        rgba(255, 255, 255, 0.15) 2px,
        transparent 2px,
        transparent 4px
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    -webkit-mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.9) 100%
    );
    mask-image: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1) 0%,
        rgba(0, 0, 0, 0.9) 100%
    );
    letter-spacing: 3px;
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
    z-index: 0;
    max-width: 100vw;
    overflow: hidden;
}

.hero-bottom-center {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.hero-separator-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.5px;
    background: rgba(255, 255, 255, 0.3);
    z-index: 1;
}

.hero-arrow-group {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    z-index: 1;
    margin-top: 1.5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.hero-arrow-group:hover {
    transform: translateY(3px);
}

.hero-arrow-group:hover .hero-arrow-down {
    border-top-color: rgba(255, 255, 255, 0.8);
}

.hero-arrow-group:hover span {
    color: rgba(255, 255, 255, 0.8);
}

.hero-arrow-down {
    width: 0;
    height: 0;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    border-top: 15px solid rgba(255, 255, 255, 0.5);
}

.hero-arrow-group span {
    font-size: 12px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 1px;
}

/* ===== 预约奖励 ===== */
.rewards {
    padding: 60px 0;
    background-color: #1A1826;
    position: relative;
}

.rewards::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/background2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 1;
    mix-blend-mode: color-dodge;
    mask-image:
        linear-gradient(to bottom, transparent 0%, black 50%, black 50%, transparent 100%),
        linear-gradient(to right, transparent 0%, black 50%, black 50%, transparent 100%);
    -webkit-mask-image:
        linear-gradient(to bottom, transparent 0%, black 50%, black 50%, transparent 100%),
        linear-gradient(to right, transparent 0%, black 50%, black 50%, transparent 100%);
    mask-composite: intersect;
    -webkit-mask-composite: source-in;
    pointer-events: none;
}

.rewards .container {
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 54px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
    width: 100%;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 10px;
    text-transform: uppercase;
    line-height: 1.2;
}

/* 根据语言设置字体 */
:lang(zh-CN) .section-title {
    font-family: 'Noto Sans SC', 'Oswald', sans-serif;
}

:lang(zh-TW) .section-title {
    font-family: 'Noto Sans TC', 'Oswald', sans-serif;
}

:lang(en) .section-title {
    font-family: 'Oswald', sans-serif;
    letter-spacing: 2px;
}

.section-title::before {
    content: attr(data-stroke);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-text-stroke: 0.3rem #161008;
    color: transparent;
    z-index: -1;
}

.section-title::after {
    content: attr(data-stroke);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/rust-texture.jpg');
    background-size: 100px 100px;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.6;
    mix-blend-mode: overlay;
    z-index: 1;
    pointer-events: none;
}

.section-desc {
    text-align: center;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.6;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.rewards-action {
    text-align: center;
    margin-top: 50px;
}

.reward-item {
    text-align: center;
    padding: 35px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 3px solid #585858;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    z-index: 1;
}

.reward-item:hover {
    z-index: 9999;
}

/* Tooltip 详细信息窗口 - 跟随鼠标 */
.reward-tooltip {
    position: fixed;
    display: none;
    width: 300px;
    padding: 0;
    background: rgba(30, 30, 30, 0.95);
    border: none;
    border-radius: 2px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* 手机端优化 */
@media (max-width: 768px) {
    .reward-tooltip {
        position: fixed;
        top: 50% !important;
        left: 50% !important;
        transform: translate(-50%, -50%) !important;
        width: 90%;
        max-width: 320px;
    }

    /* 添加遮罩层 */
    body.tooltip-active::after {
        content: '';
        position: fixed;
        top: calc(-1 * env(safe-area-inset-top, 0));
        left: calc(-1 * env(safe-area-inset-left, 0));
        right: calc(-1 * env(safe-area-inset-right, 0));
        bottom: calc(-1 * env(safe-area-inset-bottom, 0));
        padding-top: env(safe-area-inset-top, 0);
        padding-left: env(safe-area-inset-left, 0);
        padding-right: env(safe-area-inset-right, 0);
        padding-bottom: env(safe-area-inset-bottom, 0);
        background: rgba(0, 0, 0, 0.7);
        z-index: 9998;
    }
}

/* Tooltip 标题区域 - 图标和名称横向布局 */
.reward-tooltip-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(40, 40, 40, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.reward-tooltip-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    object-fit: contain;
}

.reward-tooltip-name {
    font-size: 18px;
    font-weight: 600;
    color: #FFD700;
    line-height: 1.3;
    flex: 1;
}

.reward-tooltip-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    text-align: left;
    padding: 18px 20px;
}

.reward-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.reward-item:hover {
    background: rgba(0, 0, 0, 0.5);
    border-color: #888;
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.reward-icon {
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    display: inline-block;
}

.reward-icon:hover {
    z-index: 9999;
}

.reward-icon > img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
}

.reward-name {
    font-size: 16px;
    font-weight: 600;
    color: #ddd;
    position: relative;
    z-index: 1;
}

/* ===== 分隔元素 ===== */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    position: absolute;
    left: 0;
    right: 0;
    z-index: 10;
    pointer-events: none;
}

.section-divider {
    transform: translateY(-50%);
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(to right, transparent 0%, rgba(88, 88, 88, 0.5) 50%, transparent 100%);
    transform: translateY(-50%);
}

.divider-line {
    display: none;
}

.divider-icon {
    font-size: 20px;
    color: #8D8E93;
    position: relative;
    z-index: 1;
    padding: 0 30px;
}

/* ===== 游戏特色 ===== */
.features {
    padding: 80px 0 50px;
    background: #1E1E1E;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/background3.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.6;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.features .container {
    position: relative;
    z-index: 1;
}

.featuresSwiper {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 50px;
}

.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    max-width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border: 3px solid #290806;
}

.feature-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 30px;
    background: linear-gradient(to bottom, transparent 0%, rgba(0,0,0,0.9) 100%);
    z-index: 10;
}

.feature-title {
    font-size: 28px;
    font-weight: 700;
    color: #FFD700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.feature-desc {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
}

/* Swiper 自定义样式 */
.swiper-button-prev,
.swiper-button-next {
    width: 40px;
    height: 120px;
    background: #1a1a1a;
    border: 2px solid #616161;
    color: #b5b5b5;
    padding: 20px 10px;
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    top: 50%;
    margin-top: 0;
    transform: translateY(-50%);
}

.swiper-button-prev:after,
.swiper-button-next:after {
    font-size: 20px;
    margin-bottom: 10px;
}

.swiper-button-next::before {
    content: 'NEXT';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 5px 0;
    font-size: 10px;
    letter-spacing: -1px;
    color: #b5b5b5;
    background: #616161;
    text-align: center;
    font-weight: 700;
}

.swiper-button-prev::before {
    content: 'PREV';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 6px 0;
    font-size: 10px;
    letter-spacing: -1px;
    color: #b5b5b5;
    background: #616161;
    text-align: center;
    font-weight: 700;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
    color: #e5e5e5;
}

.swiper-button-prev:hover::before,
.swiper-button-next:hover::before {
    color: #e5e5e5;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: #666;
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background: #999;
}

/* ===== 注意事项 ===== */
/* ===== 号召语 ===== */
.callout {
    padding: 100px 0;
    background:
        repeating-linear-gradient(
            150deg,
            #2a2a2a 0px,
            #2a2a2a 14px,
            #303030 14px,
            #303030 16px
        );
    position: relative;
    text-align: center;
}

.callout::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/asfalt-light.png');
    background-size: 200px 200px;
    opacity: 0.3;
    mix-blend-mode: overlay;
    pointer-events: none;
}

.callout .container {
    position: relative;
    z-index: 1;
}

.callout-subtitle {
    margin-bottom: 40px;
}

.callout-subtitle p {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    margin: 0;
    line-height: 1.5;
}

.callout-subtitle p:not(:last-child) {
    margin-bottom: 12px;
}

.btn-callout {
    /* 使用默认的 .btn-register 样式，保持统一 */
    margin-top: 20px;
}

/* ===== 底部 ===== */
.footer {
    padding: 40px 0;
    background: #1E1E1E;
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

/* 页脚游戏分级 */
.footer-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    gap: 10px;
}

.rating-icon img {
    border-radius: 4px;
}

.rating-text {
    font-size: 12px;
    color: rgba(255,255,255,0.8);
}

/* 页脚导航链接 */
.footer-nav {
    margin-bottom: 20px;
}

.footer-nav a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #FFD700;
}

.nav-separator {
    margin: 0 10px;
    color: rgba(255,255,255,0.4);
}

/* 合作伙伴信息 */
.footer-partners {
    margin-bottom: 20px;
}

.partner-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.partner-logos img {
    opacity: 0.7;
    transition: opacity 0.3s ease;
    height: 30px;
    width: auto;
    margin: 0;
}

.partner-logos img:hover {
    opacity: 1;
}

/* 版权信息 */
.footer-copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-family: Arial, sans-serif;
}

.footer-copyright p {
    margin: 5px 0;
    font-size: 12px;
    color: rgba(255,255,255,0.3);
    font-family: Arial, sans-serif;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .rewards-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        padding: 0 15px;
    }

    .reward-item {
        padding: 25px 15px;
    }

    .hero-bottom-left {
        bottom: 30px;
        left: 10px;
        right: auto;
        transform: none;
        font-size: 11px;
        max-width: 35%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* 语言切换器移动端适配 */
    .hero-lang-switcher {
        top: 20px;
        right: 20px;
    }

    .lang-switcher-btn {
        padding: 6px 12px;
        font-size: 11px;
    }

    .lang-dropdown {
        min-width: 120px;
    }

    .lang-option {
        padding: 10px 12px;
        font-size: 13px;
    }

    /* 页脚移动端适配 */
    .footer-rating {
        flex-direction: column;
        gap: 5px;
    }

    .footer-nav {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 8px;
    }

    .footer-nav a {
        font-size: 12px;
        white-space: nowrap;
    }

    .nav-separator {
        display: none;
    }

    .partner-logos {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }
    
    .partner-logos img {
        height: 25px;
        margin: 0;
    }

    .footer-copyright p {
        font-size: 11px;
    }

    /* 号召语移动端适配 */
    .callout {
        padding: 60px 0;
    }


    .callout-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }

    /* .btn-callout 在移动端使用默认的 .btn-register 样式 */

    .hero-bottom-right {
        bottom: 30px;
        left: auto;
        right: 10px;
        transform: none;
        font-size: 11px;
        max-width: 35%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .hero-tagline {
        font-size: 42px;
        top: -28px;
    }

    .hero-logo-corner {
        top: 20px;
        left: 50%;
        transform: translateX(-50%);
    }

    .hero-logo-corner img {
        height: 80px;
        margin-top: 10vh;
    }

    .hero-corner-btn {
        top: 20px;
        right: 20px;
    }

    .corner-btn {
        padding: 8px 20px;
        font-size: 14px;
    }

    .slogan-main {
        font-size: 40px;
        letter-spacing: 4px;
    }

    .slogan-sub {
        font-size: 14px;
        letter-spacing: 3px;
    }

    .btn-register {
        padding: 15px 40px;
        font-size: 26px;
    }

    .section-title {
        font-size: 40px;
        letter-spacing: 5px;
    }
}

@media (max-width: 480px) {
    .rewards-grid {
        gap: 10px;
        padding: 0 10px;
        max-width: 350px;
    }

    .reward-item {
        padding: 20px 10px;
    }
}