/* ============================================================
   style.css — 地铁跑酷国际服 样式文件
   ============================================================ */

/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: #0b0e1a;
    color: #e8edf5;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* ===== 容器 ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   顶部导航 (Header)
   ============================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 14px 0;
    background: rgba(11, 14, 26, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.3s ease;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 20px;
    flex-shrink: 0;
}

.brand .logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.brand .name {
    background: linear-gradient(135deg, #facc15, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand .sub {
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.35);
    -webkit-text-fill-color: rgba(255, 255, 255, 0.35);
    margin-left: 4px;
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 28px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.55);
}

.nav-desktop a {
    transition: color 0.2s ease;
    position: relative;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #facc15;
    transition: width 0.3s ease;
}

.nav-desktop a:hover::after {
    width: 100%;
}

.nav-desktop a:hover {
    color: #facc15;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.btn-primary {
    padding: 10px 28px;
    border-radius: 60px;
    border: none;
    font-size: 14px;
    font-weight: 700;
    color: #0b0e1a;
    background: linear-gradient(135deg, #facc15, #eab308);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px rgba(250, 204, 21, 0.2);
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(250, 204, 21, 0.35);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    padding: 10px 20px;
    border-radius: 60px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.05);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    background: rgba(11, 14, 26, 0.96);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    padding: 20px 24px 30px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.nav-mobile a {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    transition: color 0.2s ease;
}

.nav-mobile a:hover {
    color: #facc15;
}

.nav-mobile a:last-child {
    border-bottom: none;
}

/* ============================================================
   Hero 首屏
   ============================================================ */
.hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #0a0a0a;
    padding-top: 76px;
}

.hero-bg-img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: auto;
    height: auto;
    min-width: 100%;
    min-height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 14, 26, 0.35) 0%, rgba(11, 14, 26, 0.15) 50%, rgba(11, 14, 26, 0.45) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    width: 100%;
    padding-top: 20px;
    padding-bottom: 40px;
}

.hero-text .badge {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    background: rgba(250, 204, 21, 0.12);
    color: #facc15;
    border: 1px solid rgba(250, 204, 21, 0.15);
    margin-bottom: 20px;
}

.hero-text h1 {
    font-size: clamp(36px, 5.5vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-text h1 .highlight {
    background: linear-gradient(135deg, #facc15, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.6);
    font-weight: 300;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.hero-text .desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    max-width: 480px;
    margin-bottom: 28px;
}

.hero-text .desc strong {
    color: #facc15;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 16px;
}

.btn-download {
    padding: 16px 44px;
    border-radius: 60px;
    border: none;
    font-size: 16px;
    font-weight: 700;
    color: #0b0e1a;
    background: linear-gradient(135deg, #facc15, #eab308);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 8px 32px rgba(250, 204, 21, 0.2);
    display: inline-block;
    text-align: center;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(250, 204, 21, 0.35);
}

.btn-secondary {
    padding: 16px 36px;
    border-radius: 60px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 16px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-secondary:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.hero-helper {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.3);
}

.hero-helper span {
    color: #facc15;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual .visual-box {
    width: 100%;
    max-width: 420px;
    aspect-ratio: 1 / 1;
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(250, 204, 21, 0.06), rgba(250, 204, 21, 0.01));
    border: 1px solid rgba(250, 204, 21, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px;
    text-align: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hero-visual .visual-box .emoji-big {
    font-size: 80px;
    margin-bottom: 16px;
    line-height: 1;
}

.hero-visual .visual-box .visual-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 2px;
}

.hero-visual .visual-box .visual-label strong {
    color: #facc15;
    font-weight: 600;
}

/* ============================================================
   通用模块标题
   ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header .label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.25);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.section-header h2 {
    font-size: clamp(28px, 3.5vw, 38px);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 30%, #facc15 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.section-header p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 16px;
    max-width: 480px;
    margin: 0 auto;
}

/* ============================================================
   游戏展示 (Showcase)
   ============================================================ */
.section-showcase {
    padding: 80px 0 60px;
    background: #0f1422;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.showcase-item {
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-6px);
    border-color: rgba(250, 204, 21, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.showcase-item .thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #0f1422;
    position: relative;
}

.showcase-item .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.showcase-item:hover .thumb img {
    transform: scale(1.05);
}

.showcase-item .info {
    padding: 16px 18px 18px;
}

.showcase-item .info .step {
    font-size: 12px;
    font-weight: 700;
    color: #facc15;
    letter-spacing: 1px;
}

.showcase-item .info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-top: 2px;
    color: #fff;
}

.showcase-item .info p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 4px;
}

/* ============================================================
   游戏亮点 (Features)
   ============================================================ */
.section-features {
    padding: 80px 0 60px;
    background: #0b0e1a;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(250, 204, 21, 0.15);
    transform: translateY(-4px);
}

.feature-card .icon {
    font-size: 36px;
    display: block;
    margin-bottom: 14px;
    line-height: 1;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    color: #fff;
}

.feature-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

/* ============================================================
   游戏玩法 (How To)
   ============================================================ */
.section-howto {
    padding: 80px 0 60px;
    background: #0f1422;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.howto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: background 0.2s ease;
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.step-item .num {
    font-size: 28px;
    font-weight: 900;
    color: rgba(250, 204, 21, 0.3);
    min-width: 44px;
    line-height: 1.2;
}

.step-item .content h4 {
    font-size: 17px;
    font-weight: 600;
    color: #fff;
}

.step-item .content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
}

.quick-play {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 20px;
    padding: 32px 28px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.quick-play .qp-header {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 16px;
}

.quick-play .qp-header .qp-progress {
    color: #facc15;
    font-weight: 600;
}

.quick-play .qp-question {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    line-height: 1.5;
}

.quick-play .qp-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.quick-play .qp-options button {
    padding: 10px 22px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1 0 auto;
}

.quick-play .qp-options button:hover {
    border-color: rgba(250, 204, 21, 0.3);
    color: #fff;
    background: rgba(250, 204, 21, 0.06);
}

.quick-play .qp-hint {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.25);
}

.quick-play .qp-reset {
    margin-top: 14px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.25);
    font-size: 13px;
    cursor: pointer;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.quick-play .qp-reset:hover {
    color: #facc15;
}

/* ============================================================
   用户评价 (Reviews)
   ============================================================ */
.section-reviews {
    padding: 80px 0 60px;
    background: #0b0e1a;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.review-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 24px 28px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.review-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.review-card .meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 14px;
}

.review-card .meta .name {
    font-weight: 600;
    color: #fff;
}

.review-card .meta .time {
    color: rgba(255, 255, 255, 0.2);
    font-size: 12px;
}

.review-card .stars {
    color: #facc15;
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.review-card blockquote {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    font-style: italic;
}

/* ============================================================
   FAQ
   ============================================================ */
.section-faq {
    padding: 80px 0 60px;
    background: #0f1422;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.faq-list {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.faq-item {
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    transition: border-color 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.08);
}

.faq-item .faq-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s ease;
}

.faq-item .faq-btn:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-item .faq-btn .q-num {
    font-weight: 700;
    color: rgba(250, 204, 21, 0.3);
    min-width: 28px;
    font-size: 14px;
    flex-shrink: 0;
}

.faq-item .faq-btn .q-text {
    flex: 1;
}

.faq-item .faq-btn .q-icon {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-item.open .faq-btn .q-icon {
    transform: rotate(45deg);
}

.faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 24px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

/* ============================================================
   CTA 横幅
   ============================================================ */
.section-cta {
    padding: 60px 0;
    background: linear-gradient(135deg, #0b0e1a, #141a2b);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
}

.section-cta h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffffff 30%, #facc15 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-cta p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 16px;
    margin-bottom: 28px;
}

.btn-cta {
    padding: 16px 52px;
    border-radius: 60px;
    border: none;
    font-size: 17px;
    font-weight: 700;
    color: #0b0e1a;
    background: linear-gradient(135deg, #facc15, #eab308);
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 8px 32px rgba(250, 204, 21, 0.2);
    display: inline-block;
    text-align: center;
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 48px rgba(250, 204, 21, 0.35);
}

/* ============================================================
   Footer 页脚
   ============================================================ */
.footer {
    padding: 32px 0 28px;
    background: #0b0e1a;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer .brand-small {
    font-weight: 700;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.5);
}

.footer .brand-small span {
    color: #facc15;
}

.footer .footer-links {
    display: flex;
    gap: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.2);
}

.footer .footer-links a {
    transition: color 0.2s ease;
}

.footer .footer-links a:hover {
    color: #facc15;
}

.footer .copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.15);
}

/* ============================================================
   响应式设计
   ============================================================ */

@media (max-width: 1024px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    .hero-text .desc {
        margin-left: auto;
        margin-right: auto;
        max-width: 100%;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-visual .visual-box {
        max-width: 280px;
        margin: 0 auto;
    }
    .howto-grid {
        grid-template-columns: 1fr;
    }
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .hero {
        padding-top: 76px;
        min-height: 90vh;
    }
    .hero .container {
        padding: 10px 16px 30px;
        gap: 20px;
    }
    .hero-text .badge {
        margin-top: 4px;
        margin-bottom: 14px;
        font-size: 12px;
        padding: 4px 14px;
    }
    .hero-text h1 {
        font-size: 28px;
        margin-bottom: 8px;
    }
    .hero-text .subtitle {
        font-size: 16px;
        margin-bottom: 14px;
    }
    .hero-text .desc {
        font-size: 14px;
        line-height: 1.7;
        margin-bottom: 20px;
    }
    .hero-buttons .btn-download,
    .hero-buttons .btn-secondary {
        padding: 12px 28px;
        font-size: 15px;
        width: 100%;
        text-align: center;
    }
    .hero-visual .visual-box {
        max-width: 200px;
        padding: 20px;
    }
    .hero-visual .visual-box .emoji-big {
        font-size: 48px;
    }
    .showcase-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .feature-card {
        padding: 24px 16px;
    }
    .section-showcase,
    .section-features,
    .section-howto,
    .section-reviews,
    .section-faq {
        padding: 50px 0 40px;
    }
    .quick-play {
        padding: 24px 18px;
    }
    .quick-play .qp-options button {
        flex: 1 1 40%;
    }
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    .footer .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 72px;
        min-height: 85vh;
    }
    .hero-text .badge {
        font-size: 11px;
        padding: 3px 12px;
    }
    .hero-text h1 {
        font-size: 24px;
        margin-bottom: 6px;
    }
    .hero-text .subtitle {
        font-size: 14px;
        margin-bottom: 10px;
    }
    .hero-text .desc {
        font-size: 13px;
        margin-bottom: 16px;
    }
    .hero-buttons .btn-download,
    .hero-buttons .btn-secondary {
        font-size: 14px;
        padding: 10px 20px;
    }
    .showcase-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .showcase-item .info {
        padding: 12px 14px 14px;
    }
    .showcase-item .info h3 {
        font-size: 14px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .step-item {
        padding: 16px 18px;
    }
    .quick-play .qp-options button {
        flex: 1 1 100%;
    }
    .review-card {
        padding: 18px 20px;
    }
    .faq-item .faq-btn {
        padding: 14px 18px;
        font-size: 14px;
    }
    .section-cta .btn-cta {
        width: 100%;
        padding: 14px 24px;
        text-align: center;
    }
    .hero-visual .visual-box {
        max-width: 160px;
    }
    .hero-visual .visual-box .visual-label {
        font-size: 12px;
    }
}

@media (max-width: 380px) {
    .hero {
        padding-top: 68px;
        min-height: 80vh;
    }
    .hero-text h1 {
        font-size: 20px;
    }
    .brand .name {
        font-size: 16px;
    }
    .brand .logo-img {
        height: 28px;
    }
}

/* ============================================================
   打印样式优化
   ============================================================ */
@media print {
    .header,
    .hero-buttons,
    .nav-actions,
    .menu-toggle,
    .nav-mobile,
    .quick-play,
    .section-cta .btn-cta {
        display: none !important;
    }
    .hero {
        min-height: auto;
        padding: 40px 0;
        background: #0b0e1a;
    }
    .hero-bg-img {
        opacity: 0.3;
    }
    .hero-overlay {
        background: none;
    }
    body {
        background: #fff;
        color: #222;
    }
    .section-header h2 {
        -webkit-text-fill-color: #222;
        color: #222;
        background: none;
    }
}