/* ============================================
   召唤英雄 - 响应式官网样式
   二次元红金主题 + 现代视觉
   ============================================ */

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

:root {
    --c-primary: #d4282e;
    --c-primary-dark: #a51c22;
    --c-primary-light: #ff5757;
    --c-gold: #f9c740;
    --c-gold-dark: #c89a2a;
    --c-gold-light: #ffdf70;
    --c-dark: #1a0a0a;
    --c-darker: #0d0303;
    --c-text: #f5e9d7;
    --c-text-dim: #c9b896;
    --c-line: rgba(255, 255, 255, 0.1);

    --shadow-sm: 0 4px 12px rgba(212, 40, 46, 0.15);
    --shadow-md: 0 10px 30px rgba(212, 40, 46, 0.2);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-gold: 0 0 40px rgba(249, 199, 64, 0.3);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --font-cn: "ZCOOL KuaiLe", "Noto Sans SC", "Microsoft YaHei", sans-serif;
    --font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;

    --container: 1200px;
    --nav-height: 72px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--c-text);
    background: var(--c-darker);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(120deg, var(--c-primary) 0%, var(--c-gold) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.text-gradient-light {
    background: linear-gradient(120deg, #fff 0%, var(--c-gold-light) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(212, 40, 46, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(212, 40, 46, 0.6);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--c-gold);
    color: var(--c-gold-light);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(13, 3, 3, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(13, 3, 3, 0.92);
    border-bottom-color: var(--c-line);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-cn);
    font-size: 22px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(249, 199, 64, 0.3);
}

.logo img {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    box-shadow: 0 0 16px rgba(249, 199, 64, 0.5);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--c-text-dim);
    border-radius: 50px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #fff;
    background: rgba(249, 199, 64, 0.1);
}

.nav-link.active {
    color: var(--c-gold-light);
}

.nav-cta {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    color: #fff !important;
    margin-left: 8px;
    box-shadow: 0 4px 16px rgba(212, 40, 46, 0.4);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(249, 199, 64, 0.5);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero 主视觉 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--nav-height) 24px 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 0%, rgba(13, 3, 3, 0.7) 70%, rgba(13, 3, 3, 0.95) 100%),
        linear-gradient(180deg, rgba(13, 3, 3, 0.4) 0%, rgba(13, 3, 3, 0.7) 100%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(249, 199, 64, 0.6), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 215, 100, 0.4), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.5), transparent),
        radial-gradient(2px 2px at 80% 20%, rgba(249, 199, 64, 0.4), transparent),
        radial-gradient(1px 1px at 30% 80%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255, 215, 100, 0.5), transparent);
    background-size: 200% 200%;
    animation: particleFloat 15s linear infinite;
    pointer-events: none;
}

@keyframes particleFloat {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    z-index: 1;
    padding: 0 20px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 24px;
    background: rgba(212, 40, 46, 0.2);
    border: 1px solid rgba(249, 199, 64, 0.5);
    border-radius: 50px;
    color: var(--c-gold-light);
    font-size: 14px;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 1s ease 0.2s both;
}

.tag-pulse {
    width: 8px;
    height: 8px;
    background: var(--c-gold);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--c-gold);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-family: var(--font-cn);
    line-height: 1.1;
    margin-bottom: 24px;
    animation: zoomIn 1s ease 0.4s both;
}

.title-main {
    display: block;
    font-size: clamp(56px, 12vw, 140px);
    font-weight: 900;
    background: linear-gradient(180deg, #fff 0%, var(--c-gold) 60%, var(--c-primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    text-shadow: 0 0 80px rgba(249, 199, 64, 0.4);
    letter-spacing: 4px;
}

.title-sub {
    display: block;
    font-size: clamp(18px, 3vw, 28px);
    font-weight: 400;
    color: var(--c-gold-light);
    margin-top: 8px;
    letter-spacing: 8px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.hero-desc {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--c-text-dim);
    margin-bottom: 40px;
    letter-spacing: 4px;
    animation: fadeInUp 1s ease 0.6s both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 1s ease 0.8s both;
}

/* 首屏立即下载 - 二维码浮层 */
.btn-download-wrap {
    position: relative;
}

.hero-qr-pop {
    position: absolute;
    bottom: calc(100% + 18px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(13, 3, 3, 0.96);
    border: 1px solid var(--c-gold);
    border-radius: var(--radius-md);
    padding: 14px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(12px);
    z-index: 60;
    pointer-events: none;
}

.hero-qr-pop::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--c-gold);
}

.btn-download-wrap:hover .hero-qr-pop {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.hero-qr-box {
    width: 168px;
    height: 168px;
    background: #fff;
    padding: 8px;
    border-radius: 8px;
}

.hero-qr-box img,
.hero-qr-box canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.hero-qr-pop p {
    margin-top: 10px;
    font-size: 13px;
    color: var(--c-gold-light);
    letter-spacing: 1px;
    white-space: nowrap;
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 32px;
    padding: 24px 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(249, 199, 64, 0.2);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    animation: fadeInUp 1s ease 1s both;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-family: var(--font-cn);
    font-size: clamp(28px, 4vw, 42px);
    color: var(--c-gold-light);
    line-height: 1;
    margin-bottom: 6px;
    text-shadow: 0 0 20px rgba(249, 199, 64, 0.5);
}

.stat-num .unit {
    font-size: 0.6em;
    margin-left: 2px;
}

.stat-label {
    font-size: 13px;
    color: var(--c-text-dim);
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--c-gold), transparent);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--c-text-dim);
    font-size: 12px;
    letter-spacing: 2px;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--c-text-dim);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--c-gold);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 0; transform: translate(-50%, 0); }
    50% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, 14px); }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===== 信息条 ===== */
.info-bar {
    position: relative;
    margin-top: -60px;
    z-index: 10;
    padding: 0 24px;
    margin-bottom: 80px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: linear-gradient(135deg, rgba(212, 40, 46, 0.1) 0%, rgba(249, 199, 64, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(249, 199, 64, 0.2);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
}

.info-card {
    text-align: center;
    padding: 20px;
    border-right: 1px solid rgba(249, 199, 64, 0.15);
    transition: transform 0.3s ease;
}

.info-card:last-child {
    border-right: none;
}

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

.info-icon {
    font-size: 36px;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 8px rgba(249, 199, 64, 0.4));
}

.info-label {
    font-size: 13px;
    color: var(--c-text-dim);
    margin-bottom: 6px;
    letter-spacing: 2px;
}

.info-value {
    font-family: var(--font-cn);
    font-size: 24px;
    color: var(--c-gold-light);
    text-shadow: 0 0 12px rgba(249, 199, 64, 0.3);
}

/* ===== 通用 section ===== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-head {
    text-align: center;
    margin-bottom: 60px;
}

.section-head.light .section-title {
    color: #fff;
}

.section-eyebrow {
    display: inline-block;
    font-size: 13px;
    color: var(--c-gold);
    letter-spacing: 6px;
    margin-bottom: 16px;
    font-weight: 700;
}

.section-title {
    font-family: var(--font-cn);
    font-size: clamp(32px, 5vw, 52px);
    color: #fff;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-deco {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--c-primary), var(--c-gold), transparent);
    margin: 0 auto;
    border-radius: 2px;
}

/* ===== 游戏介绍 ===== */
.intro {
    background:
        radial-gradient(ellipse at 20% 30%, rgba(212, 40, 46, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(249, 199, 64, 0.1) 0%, transparent 50%),
        var(--c-darker);
}

.intro-wrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text {
    color: var(--c-text-dim);
    font-size: 16px;
    line-height: 2;
}

.intro-lead {
    color: #fff;
    font-size: 18px;
    margin-bottom: 24px;
}

.intro-text strong {
    color: var(--c-gold-light);
    font-weight: 700;
}

.intro-text em {
    font-style: normal;
    color: var(--c-primary-light);
    font-weight: 700;
    background: rgba(212, 40, 46, 0.15);
    padding: 2px 10px;
    border-radius: 6px;
}

.intro-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: rgba(249, 199, 64, 0.1);
    border: 1px solid rgba(249, 199, 64, 0.3);
    border-radius: 50px;
    color: var(--c-gold-light);
    font-size: 14px;
    transition: all 0.3s ease;
}

.chip:hover {
    background: rgba(249, 199, 64, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 199, 64, 0.2);
}

.intro-visual {
    position: relative;
}

.visual-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    transform: rotate(2deg);
    transition: transform 0.5s ease;
}

.visual-frame:hover {
    transform: rotate(0) scale(1.02);
}

.visual-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.frame-corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 3px solid var(--c-gold);
}

.frame-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.frame-corner.tr { top: 12px; right: 12px; border-left: none; border-bottom: none; }
.frame-corner.bl { bottom: 12px; left: 12px; border-right: none; border-top: none; }
.frame-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }

/* ===== 游戏特色 ===== */
.features {
    background:
        linear-gradient(180deg, var(--c-darker) 0%, #1a0507 50%, var(--c-darker) 100%);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 10% 20%, rgba(249, 199, 64, 0.3), transparent),
        radial-gradient(1px 1px at 30% 60%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(2px 2px at 70% 30%, rgba(212, 40, 46, 0.3), transparent),
        radial-gradient(1px 1px at 90% 80%, rgba(249, 199, 64, 0.2), transparent);
    background-size: 100% 100%;
    pointer-events: none;
    opacity: 0.6;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
}

.feature-card {
    position: relative;
    padding: 40px 32px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(249, 199, 64, 0.15);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(249, 199, 64, 0.1), transparent);
    transition: left 0.6s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--c-gold);
    box-shadow: 0 20px 40px rgba(249, 199, 64, 0.15);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-num {
    position: absolute;
    top: 16px;
    right: 24px;
    font-family: var(--font-cn);
    font-size: 48px;
    color: rgba(249, 199, 64, 0.1);
    font-weight: 900;
    line-height: 1;
}

.feature-icon-wrap {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 24px rgba(212, 40, 46, 0.3);
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon-wrap {
    transform: rotate(0) scale(1.1);
}

.feature-icon {
    font-size: 36px;
    transform: rotate(5deg);
}

.feature-card h3 {
    font-family: var(--font-cn);
    font-size: 24px;
    color: #fff;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--c-text-dim);
    font-size: 14px;
    line-height: 1.7;
}

/* ===== 上线福利 ===== */
.welfare {
    background: radial-gradient(ellipse at 50% 0%, rgba(212, 40, 46, 0.2) 0%, transparent 60%), var(--c-darker);
}

.welfare-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.welfare-card {
    position: relative;
    padding: 32px 24px;
    background: linear-gradient(160deg, rgba(212, 40, 46, 0.15) 0%, rgba(249, 199, 64, 0.05) 100%);
    border: 1px solid rgba(249, 199, 64, 0.2);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all 0.3s ease;
    overflow: hidden;
}

.welfare-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-gold));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.welfare-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-gold);
    background: linear-gradient(160deg, rgba(212, 40, 46, 0.25) 0%, rgba(249, 199, 64, 0.1) 100%);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
}

.welfare-card:hover::after {
    transform: scaleX(1);
}

.welfare-card.highlight {
    background: linear-gradient(160deg, rgba(249, 199, 64, 0.2) 0%, rgba(212, 40, 46, 0.15) 100%);
    border-color: var(--c-gold);
}

.welfare-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    color: #fff;
    font-family: var(--font-cn);
    font-size: 18px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(212, 40, 46, 0.4);
}

.welfare-card.highlight .welfare-badge {
    background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-primary) 100%);
    width: 36px;
    height: 36px;
    font-size: 20px;
}

.welfare-icon {
    font-size: 42px;
    margin: 16px 0 12px;
    filter: drop-shadow(0 0 12px rgba(249, 199, 64, 0.3));
}

.welfare-card h4 {
    font-family: var(--font-cn);
    font-size: 20px;
    color: #fff;
    margin-bottom: 10px;
}

.welfare-card p {
    color: var(--c-text-dim);
    font-size: 13px;
    line-height: 1.7;
}

.welfare-card p strong {
    color: var(--c-gold-light);
}

/* ===== 游戏截图 ===== */
.gallery {
    background: var(--c-darker);
}

.sub-title {
    font-family: var(--font-cn);
    font-size: 24px;
    color: #fff;
    text-align: center;
    margin-bottom: 24px;
}

.gallery-showcase {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    margin-bottom: 80px;
}

.showcase-main {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(249, 199, 64, 0.2);
    border-radius: var(--radius-lg);
    padding: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.showcase-main img {
    width: 100%;
    aspect-ratio: 948 / 533;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: opacity 0.4s ease;
}

.showcase-caption {
    margin-top: 12px;
    text-align: center;
    font-size: 15px;
    color: var(--c-gold-light);
    font-weight: 500;
}

.showcase-thumbs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 600px;
    overflow-y: auto;
    padding-right: 4px;
}

.showcase-thumbs::-webkit-scrollbar {
    width: 6px;
}

.showcase-thumbs::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.showcase-thumbs::-webkit-scrollbar-thumb {
    background: var(--c-gold);
    border-radius: 3px;
}

.thumb {
    padding: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    overflow: hidden;
}

.thumb img {
    width: 100%;
    aspect-ratio: 948 / 533;
    object-fit: cover;
    border-radius: 6px;
    display: block;
}

.thumb:hover {
    border-color: var(--c-gold);
    transform: translateX(-4px);
}

.thumb.active {
    border-color: var(--c-primary);
    background: rgba(212, 40, 46, 0.15);
    box-shadow: 0 0 0 2px rgba(212, 40, 46, 0.2);
}

/* Banner 轮播 */
.banner-carousel {
    position: relative;
}

.banner-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
}

.banner-track::-webkit-scrollbar {
    height: 8px;
}

.banner-track::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.banner-track::-webkit-scrollbar-thumb {
    background: var(--c-gold);
    border-radius: 4px;
}

.banner-slide {
    flex: 0 0 320px;
    scroll-snap-align: start;
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

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

.banner-slide img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.banner-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.dot {
    width: 10px;
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--c-gold);
    width: 28px;
    border-radius: 5px;
}

/* ===== 视频展示 ===== */
.video-section {
    background: radial-gradient(ellipse at 50% 50%, rgba(212, 40, 46, 0.15) 0%, transparent 60%), var(--c-darker);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.video-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(249, 199, 64, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-6px);
    border-color: var(--c-gold);
    box-shadow: 0 20px 40px rgba(249, 199, 64, 0.15);
}

.video-wrap {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #000;
}

.video-wrap video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-meta {
    padding: 20px 24px;
    text-align: center;
}

.video-meta h4 {
    font-family: var(--font-cn);
    font-size: 22px;
    color: #fff;
    margin-bottom: 6px;
}

.video-meta p {
    color: var(--c-text-dim);
    font-size: 14px;
    letter-spacing: 1px;
}

/* ===== 下载区 ===== */
.download {
    background: linear-gradient(180deg, var(--c-darker) 0%, #1f0808 50%, var(--c-darker) 100%);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(249, 199, 64, 0.4), transparent),
        radial-gradient(1px 1px at 70% 60%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(2px 2px at 40% 80%, rgba(212, 40, 46, 0.3), transparent);
    background-size: 100% 100%;
    opacity: 0.5;
    pointer-events: none;
}

.download-wrap {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.download-content {
    color: #fff;
}

.download-title {
    font-family: var(--font-cn);
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.2;
    margin: 16px 0 24px;
    color: #fff;
}

.download-desc {
    font-size: 17px;
    color: var(--c-text-dim);
    margin-bottom: 40px;
    line-height: 1.8;
}

.download-platforms {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(249, 199, 64, 0.3);
    border-radius: var(--radius-md);
    color: #fff;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.platform-btn:hover {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    border-color: var(--c-gold);
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(212, 40, 46, 0.3);
}

.platform-btn small {
    display: block;
    font-size: 11px;
    color: var(--c-text-dim);
    margin-bottom: 2px;
}

.platform-btn strong {
    display: block;
    font-size: 16px;
    font-weight: 700;
}

.platform-btn:hover small {
    color: rgba(255, 255, 255, 0.8);
}

.download-info {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(249, 199, 64, 0.15);
    border-radius: var(--radius-md);
    padding: 24px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px dashed rgba(249, 199, 64, 0.1);
    font-size: 14px;
}

.info-row:last-child {
    border-bottom: none;
}

.info-key {
    color: var(--c-text-dim);
}

.info-val {
    color: var(--c-gold-light);
    font-weight: 500;
}

.download-qr {
    text-align: center;
    color: #fff;
}

.qr-frame {
    width: 280px;
    height: 280px;
    margin: 0 auto 24px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--c-gold);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    box-shadow: 0 0 60px rgba(249, 199, 64, 0.3);
    position: relative;
    animation: float 4s ease-in-out infinite;
}

.qr-frame::before,
.qr-frame::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid var(--c-primary);
}

.qr-frame::before {
    top: 8px;
    left: 8px;
    border-right: none;
    border-bottom: none;
}

.qr-frame::after {
    bottom: 8px;
    right: 8px;
    border-left: none;
    border-top: none;
}

.qr-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qr-placeholder img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

.qr-placeholder #downloadQr,
#downloadQr img,
#downloadQr canvas {
    width: 100%;
    height: 100%;
    display: block;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.download-qr p {
    font-size: 15px;
    color: var(--c-gold-light);
    letter-spacing: 2px;
}

/* ===== 页脚 ===== */
.footer {
    background: #080202;
    padding: 60px 0 24px;
    color: var(--c-text-dim);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: #888;
    line-height: 1.8;
    font-size: 14px;
}

.footer-col h5 {
    font-family: var(--font-cn);
    font-size: 18px;
    color: var(--c-gold-light);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: #888;
    font-size: 14px;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--c-gold);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: #666;
    font-size: 13px;
}

/* ===== 友情链接 ===== */
.friend-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 20px;
    padding: 18px 0 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 13px;
}

.friend-links-title {
    color: var(--c-gold-light);
    font-weight: 500;
}

.friend-links a {
    color: #888;
    transition: color 0.3s ease;
}

.friend-links a:hover {
    color: var(--c-gold);
}

/* ===== 返回顶部 ===== */
.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-gold) 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(212, 40, 46, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(249, 199, 64, 0.5);
}

/* ===== 滚动动画 ===== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(13, 3, 3, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: calc(var(--nav-height) + 20px) 30px 30px;
        gap: 4px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        border-left: 1px solid var(--c-line);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 14px 20px;
        font-size: 16px;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 16px;
        text-align: center;
        justify-content: center;
    }

    .menu-toggle {
        display: flex;
    }

    .info-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: 24px;
    }

    .info-card {
        border-right: none;
        border-bottom: 1px solid rgba(249, 199, 64, 0.15);
        padding: 16px;
    }

    .info-card:nth-last-child(-n+2) {
        border-bottom: none;
    }

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .welfare-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .intro-wrap,
    .download-wrap,
    .gallery-showcase {
        grid-template-columns: 1fr;
    }

    .gallery-showcase {
        gap: 20px;
    }

    .showcase-thumbs {
        flex-direction: row;
        max-height: none;
        overflow-x: auto;
        overflow-y: hidden;
        padding-bottom: 8px;
    }

    .thumb {
        flex: 0 0 180px;
    }

    .thumb img {
        aspect-ratio: 948 / 533;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .section {
        padding: 70px 0;
    }

    .hero {
        padding-top: 100px;
        min-height: 90vh;
    }

    .hero-stats {
        gap: 16px;
        padding: 16px 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat-divider {
        display: none;
    }

    .info-bar {
        margin-top: -40px;
        margin-bottom: 40px;
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .info-card {
        padding: 14px 8px;
    }

    .info-value {
        font-size: 18px;
    }

    .feature-grid,
    .welfare-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        padding: 0 20px;
    }

    .hero-actions .btn-download-wrap,
    .hero-actions .btn-ghost {
        width: 100%;
    }

    .hero-actions .btn-download-wrap .btn {
        width: 100%;
    }

    .hero-qr-pop {
        display: none;
    }

    .btn {
        justify-content: center;
    }

    .download-platforms {
        flex-direction: column;
    }

    .platform-btn {
        justify-content: center;
    }

    .banner-slide {
        flex: 0 0 260px;
    }

    .banner-slide img {
        height: 400px;
    }

    .qr-frame {
        width: 220px;
        height: 220px;
    }
}

@media (max-width: 480px) {
    .title-main {
        font-size: 60px;
    }

    .title-sub {
        letter-spacing: 4px;
    }

    .hero-tag {
        font-size: 12px;
        padding: 6px 16px;
    }

    .section-title {
        font-size: 30px;
    }
}