/* 总裁彩票系统 - 官网主样式 */

:root {
    --primary: #1a3a5c;
    --primary-dark: #0a1628;
    --primary-light: #2a5a8c;
    --accent: #d4a853;
    --accent-hover: #c49843;
    --accent-glow: rgba(212,168,83,0.4);
    --red: #e63946;
    --red-glow: rgba(230,57,70,0.3);
    --text: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg: #fff;
    --bg-light: #f5f7fa;
    --bg-dark: #0a1628;
    --border: #e8ecef;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.section-title p {
    color: var(--text-light);
    font-size: 16px;
    margin-top: 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    gap: 6px;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.btn-dark {
    background: var(--primary-dark);
    color: #fff;
}
.btn-dark:hover { background: var(--primary); }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-glow {
    box-shadow: 0 0 20px rgba(212,168,83,0.3), 0 0 40px rgba(212,168,83,0.1);
}
.btn-glow:hover {
    box-shadow: 0 0 30px rgba(212,168,83,0.5), 0 0 60px rgba(212,168,83,0.2);
}

/* 导航 */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(5, 10, 20, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212,168,83,0.08);
    transition: var(--transition);
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.logo {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}
.logo-icon {
    width: 36px; height: 36px;
    background: var(--accent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
}
.logo span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    padding: 8px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,0.1); }

.header-btns { display: flex; align-items: center; gap: 12px; }
.header-btns .btn-sm { padding: 6px 18px; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}
.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: var(--transition);
}

/* ===== Hero 重构 - 博彩风格 ===== */
.hero {
    min-height: 100vh;
    background: #050a14;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}
/* 赌桌网格纹理 */
.hero-grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(212,168,83,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(212,168,83,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
/* 中心光晕 */
.hero-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(212,168,83,0.08) 0%, rgba(26,58,92,0.05) 40%, transparent 70%);
    pointer-events: none;
    animation: glowPulse 6s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}
/* 浮动光球 */
.hero-orbs {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    overflow: hidden;
}
.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.35;
    animation: orbFloat 10s ease-in-out infinite;
}
.orb-red {
    width: 200px; height: 200px;
    background: var(--red);
    top: 15%; left: 10%;
    animation-delay: 0s;
}
.orb-blue {
    width: 160px; height: 160px;
    background: #457b9d;
    top: 60%; left: 5%;
    animation-delay: -2s;
}
.orb-green {
    width: 140px; height: 140px;
    background: #2a9d8f;
    top: 20%; right: 15%;
    animation-delay: -4s;
}
.orb-gold {
    width: 180px; height: 180px;
    background: var(--accent);
    bottom: 20%; right: 10%;
    animation-delay: -3s;
    opacity: 0.2;
}
.orb-purple {
    width: 120px; height: 120px;
    background: #8338ec;
    top: 40%; right: 5%;
    animation-delay: -6s;
}
.orb-orange {
    width: 100px; height: 100px;
    background: #f4a261;
    bottom: 30%; left: 20%;
    animation-delay: -5s;
}
@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(20px, -30px) scale(1.05); }
    50% { transform: translate(-10px, 20px) scale(0.95); }
    75% { transform: translate(30px, 10px) scale(1.02); }
}
/* 浮动骰子 */
.hero-dice {
    position: absolute;
    font-size: 48px;
    opacity: 0.12;
    animation: diceFloat 8s ease-in-out infinite;
    pointer-events: none;
    filter: drop-shadow(0 0 10px rgba(212,168,83,0.3));
    top: 25%; right: 25%;
}
.hero-dice.dice-2 {
    font-size: 36px;
    top: 65%; left: 15%;
    animation-delay: -4s;
    animation-duration: 10s;
}
@keyframes diceFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(10deg); }
}
/* 筹码装饰 */
.hero-chip {
    position: absolute;
    width: 80px; height: 80px;
    border-radius: 50%;
    border: 8px dashed var(--accent);
    opacity: 0.08;
    top: 70%; right: 30%;
    animation: chipSpin 20s linear infinite;
    pointer-events: none;
}
@keyframes chipSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
/* 粒子层 */
.hero-particles {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    overflow: hidden;
}
.hero-particles::before,
.hero-particles::after {
    content: '';
    position: absolute;
    width: 3px; height: 3px;
    background: rgba(212,168,83,0.5);
    border-radius: 50%;
    box-shadow:
        10vw 20vh 0 rgba(230,57,70,0.3),
        30vw 60vh 0 rgba(212,168,83,0.25),
        50vw 30vh 0 rgba(42,157,143,0.2),
        70vw 80vh 0 rgba(131,56,236,0.15),
        80vw 40vh 0 rgba(212,168,83,0.3),
        20vw 90vh 0 rgba(230,57,70,0.2),
        60vw 10vh 0 rgba(244,162,97,0.25),
        90vw 70vh 0 rgba(69,123,157,0.2);
    animation: particleFloat 12s ease-in-out infinite;
}
.hero-particles::after {
    animation-delay: -6s;
    animation-duration: 15s;
    opacity: 0.5;
}
@keyframes particleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(212, 168, 83, 0.1);
    border: 1px solid rgba(212, 168, 83, 0.25);
    color: var(--accent);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}
.badge-pulse {
    animation: badgePulse 2s ease-in-out infinite;
    display: inline-block;
}
@keyframes badgePulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}
.hero h1 {
    font-size: 56px;
    font-weight: 900;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}
.neon-gold {
    color: var(--accent);
    text-shadow: 0 0 20px rgba(212,168,83,0.3), 0 0 40px rgba(212,168,83,0.1);
}
.neon-red {
    color: var(--red);
    text-shadow: 0 0 20px rgba(230,57,70,0.3), 0 0 40px rgba(230,57,70,0.1);
}
.hero-desc {
    font-size: 18px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 36px;
    max-width: 520px;
    line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; }

.hero-stats-inline {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-stats-inline div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.hero-stats-inline strong {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
}
.hero-stats-inline span {
    font-size: 13px;
    color: rgba(255,255,255,0.45);
}

/* 彩票球展示区 */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}
.lotto-showcase {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 400px;
}
.lotto-ball {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    position: relative;
    box-shadow:
        inset -4px -4px 8px rgba(0,0,0,0.3),
        inset 4px 4px 8px rgba(255,255,255,0.15),
        0 4px 15px rgba(0,0,0,0.3);
    animation: ballBounce 3s ease-in-out infinite;
}
.lotto-ball::after {
    content: '';
    position: absolute;
    top: 8px; left: 12px;
    width: 16px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
    transform: rotate(-25deg);
}
.ball-1 { background: radial-gradient(circle at 35% 35%, #ff6b6b, #e63946); animation-delay: 0s; }
.ball-2 { background: radial-gradient(circle at 35% 35%, #74c69d, #2a9d8f); animation-delay: 0.2s; }
.ball-3 { background: radial-gradient(circle at 35% 35%, #a8dadc, #457b9d); animation-delay: 0.4s; }
.ball-4 { background: radial-gradient(circle at 35% 35%, #f4a261, #e76f51); animation-delay: 0.6s; }
.ball-5 { background: radial-gradient(circle at 35% 35%, #c77dff, #8338ec); animation-delay: 0.8s; }
.ball-6 { background: radial-gradient(circle at 35% 35%, #ffd166, #d4a853); animation-delay: 1s; }
.ball-7 {
    background: transparent;
    box-shadow: none;
    font-size: 24px;
    color: rgba(255,255,255,0.5);
    animation: none;
    width: 30px;
}
.ball-special {
    background: radial-gradient(circle at 35% 35%, #ff006e, #c9184a);
    box-shadow:
        inset -4px -4px 8px rgba(0,0,0,0.3),
        inset 4px 4px 8px rgba(255,255,255,0.15),
        0 0 20px rgba(255,0,110,0.4),
        0 4px 15px rgba(0,0,0,0.3);
    animation-delay: 1.2s;
}
@keyframes ballBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}
.showcase-label {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.showcase-label span { font-size: 18px; }

/* ===== 彩种跑马灯 ===== */
.lottery-marquee {
    background: linear-gradient(90deg, #050a14 0%, #0d1f35 50%, #050a14 100%);
    padding: 20px 0;
    overflow: hidden;
    border-top: 1px solid rgba(212,168,83,0.08);
    border-bottom: 1px solid rgba(212,168,83,0.08);
}
.marquee-track {
    display: flex;
    animation: marqueeScroll 30s linear infinite;
    width: max-content;
}
.marquee-content {
    display: flex;
    gap: 40px;
    flex-shrink: 0;
}
.marquee-item {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    padding: 8px 20px;
    border-radius: 30px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    transition: all 0.3s;
}
.marquee-item:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--lt-color);
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
}
.marquee-emoji { font-size: 20px; }
.marquee-name {
    color: rgba(255,255,255,0.8);
    font-size: 14px;
    font-weight: 500;
}
@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* 统计数据 */
.stats {
    background: var(--bg);
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}
.stat-item h3 {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}
.stat-item h3 span { color: var(--accent); font-size: 28px; }
.stat-item p {
    color: var(--text-light);
    font-size: 15px;
}

/* 平台价值 */
.profit-section {
    background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0d1f35 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.profit-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.profit-section .container { position: relative; }
.profit-section .section-title h2,
.profit-section .section-title p { color: #fff; }
.profit-section .section-title h2::after { background: var(--accent); }
.profit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    position: relative;
}
.profit-card {
    text-align: center;
    padding: 48px 28px;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}
.profit-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #e8c87a);
    opacity: 0.6;
    transition: opacity 0.3s;
}
.profit-card::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(212,168,83,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}
.profit-card:hover {
    transform: translateY(-8px);
    background: rgba(255,255,255,0.07);
    border-color: rgba(212,168,83,0.25);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}
.profit-card:hover::before { opacity: 1; }
.profit-card:hover::after { opacity: 1; }
.profit-icon {
    font-size: 36px;
    margin-bottom: 16px;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(212,168,83,0.3));
}
.profit-num {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent) 0%, #e8c87a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    line-height: 1;
}
.profit-label {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 10px;
}
.profit-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.55);
    line-height: 1.6;
}

/* ===== 彩种支持 - 增强版 ===== */
.lottery-section { background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%); }
.lottery-types-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.lottery-type-card {
    text-align: center;
    padding: 36px 20px 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    background: var(--bg);
    position: relative;
    overflow: hidden;
}
.lottery-type-card:hover {
    border-color: transparent;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transform: translateY(-6px);
}
.lt-glow {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    opacity: 0;
    transition: opacity 0.3s;
}
.lottery-type-card:hover .lt-glow { opacity: 1; }
.lt-icon {
    font-size: 40px;
    margin-bottom: 14px;
    display: block;
    transition: transform 0.3s;
}
.lottery-type-card:hover .lt-icon { transform: scale(1.15); }
.lottery-type-card h4 {
    font-size: 16px;
    color: var(--primary-dark);
    margin-bottom: 10px;
}
.lt-bar {
    width: 40px;
    height: 3px;
    border-radius: 2px;
    margin: 0 auto;
    opacity: 0.6;
    transition: width 0.3s;
}
.lottery-type-card:hover .lt-bar { width: 60px; }

/* 产品简介 */
.intro { background: var(--bg-light); }
.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.intro-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.intro-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.intro-icon {
    width: 72px; height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: #fff;
}
.intro-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}
.intro-card p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* 服务流程 */
.steps-grid {
    display: flex;
    align-items: stretch;
    gap: 0;
}
.step-card {
    flex: 1;
    text-align: center;
    padding: 40px 24px;
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-right: 30px;
}
.step-card:last-child { margin-right: 0; }
.step-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}
.step-card h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}
.step-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}
.step-arrow {
    position: absolute;
    right: -26px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-size: 24px;
    font-weight: bold;
    z-index: 2;
}

/* FAQ */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg);
}
.faq-q {
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: background 0.2s;
}
.faq-q:hover { background: var(--bg-light); }
.faq-dot {
    width: 28px;
    height: 28px;
    min-width: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-a {
    padding: 0 24px 20px 64px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* 功能预览 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-item {
    display: flex;
    gap: 16px;
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    background: var(--bg);
}
.feature-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}
.feature-icon {
    width: 52px; height: 52px;
    min-width: 52px;
    border-radius: 12px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary);
    transition: var(--transition);
}
.feature-item:hover .feature-icon {
    background: var(--primary);
    color: #fff;
}
.feature-text h4 {
    font-size: 17px;
    margin-bottom: 6px;
    color: var(--primary-dark);
}
.feature-text p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 套餐速览 */
.pricing-preview { background: var(--bg-light); }
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.pricing-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--border);
    position: relative;
    transition: var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.recommend {
    border-color: var(--accent);
    transform: scale(1.03);
}
.pricing-card.recommend:hover { transform: scale(1.05); }
.recommend-badge {
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    padding: 4px 16px;
    border-radius: 0 0 8px 8px;
    font-weight: 500;
}
.pricing-card h3 {
    font-size: 20px;
    color: var(--primary-dark);
    margin-bottom: 4px;
}
.pricing-card .type-tag {
    display: inline-block;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 4px;
    background: var(--bg-light);
    color: var(--text-light);
    margin-bottom: 16px;
}
.pricing-card .price {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}
.pricing-card .price span {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-light);
}
.pricing-card .original-price {
    font-size: 14px;
    color: var(--text-lighter);
    text-decoration: line-through;
    margin-bottom: 20px;
}
.pricing-features { list-style: none; margin-bottom: 28px; }
.pricing-features li {
    padding: 8px 0;
    font-size: 14px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}
.pricing-features li::before {
    content: '\2714';
    color: #28a745;
    font-size: 12px;
}
.pricing-card .btn { width: 100%; }

/* 界面展示网格 */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.showcase-card {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    background: var(--bg);
    cursor: pointer;
}
.showcase-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.showcase-image {
    height: 220px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
    position: relative;
    overflow: hidden;
}
.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.showcase-card:hover .showcase-image img {
    transform: scale(1.05);
}
.showcase-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 22, 40, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.showcase-card:hover .showcase-overlay {
    opacity: 1;
}
.showcase-overlay span {
    color: #fff;
    font-size: 14px;
    padding: 8px 20px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 20px;
    backdrop-filter: blur(4px);
}
.showcase-body { padding: 24px; }
.showcase-tag {
    display: inline-block;
    font-size: 12px;
    color: var(--primary);
    background: rgba(26, 58, 92, 0.08);
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.showcase-body h4 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--primary-dark);
}
.showcase-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* CTA */
.cta-section {
    background: linear-gradient(135deg, #050a14 0%, #0d1f35 50%, #1a3a5c 100%);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-section h2 {
    font-size: 36px;
    color: #fff;
    margin-bottom: 16px;
    position: relative;
}
.cta-section p {
    color: rgba(255,255,255,0.65);
    font-size: 17px;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}
.cta-section .btn {
    position: relative;
    font-size: 16px;
    padding: 14px 40px;
}

/* 页脚 */
.footer {
    background: #050a14;
    color: rgba(255,255,255,0.6);
    padding: 60px 0 0;
    border-top: 1px solid rgba(212,168,83,0.06);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
}
.footer-col h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}
.footer-col a:hover { color: var(--accent); }
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 14px;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.35);
}

/* 页面公共头部 */
.page-header {
    background: linear-gradient(135deg, #050a14 0%, #0d1f35 50%, #1a3a5c 100%);
    padding: 140px 0 80px;
    text-align: center;
    color: #fff;
    position: relative;
}
.page-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-header h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}
.page-header p {
    font-size: 16px;
    color: rgba(255,255,255,0.65);
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}
.breadcrumb {
    position: relative;
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--accent); }

/* 内容页通用 */
.content-section { padding: 60px 0; }
.content-section.bg-light { background: var(--bg-light); }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* 文章列表 */
.article-list { display: grid; gap: 24px; }
.article-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.article-item:hover { box-shadow: var(--shadow); }
.article-thumb {
    height: 100%;
    min-height: 150px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-lighter);
    font-size: 36px;
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-info { padding: 24px 24px 24px 0; }
.article-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--text-lighter);
}
.article-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-dark);
}
.article-info p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* 文章详情 */
.article-detail { max-width: 800px; margin: 0 auto; }
.article-detail h1 { font-size: 32px; margin-bottom: 16px; color: var(--primary-dark); }
.article-detail .meta { margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.article-content { font-size: 16px; line-height: 1.8; color: var(--text); }
.article-content p { margin-bottom: 16px; }
.article-content h2, .article-content h3 { color: var(--primary-dark); margin: 30px 0 16px; }
.article-content img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }

/* 留言页 */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.contact-info h3 {
    font-size: 24px;
    color: var(--primary-dark);
    margin-bottom: 20px;
}
.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}
.contact-info-item .icon {
    width: 48px; height: 48px;
    min-width: 48px;
    border-radius: 12px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
}
.contact-info-item h4 { font-size: 16px; margin-bottom: 4px; }
.contact-info-item p { font-size: 14px; color: var(--text-light); }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox-backdrop {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(5, 10, 20, 0.95);
    cursor: pointer;
}
.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
}
.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: var(--radius);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    display: block;
}
.lightbox-close {
    position: absolute;
    top: -48px; right: 0;
    background: none;
    border: none;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    width: 40px; height: 40px;
    line-height: 40px;
    padding: 0;
}
.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    font-size: 24px;
    width: 48px; height: 48px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(4px);
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.3); }
.lightbox-prev { left: -64px; }
.lightbox-next { right: -64px; }
.lightbox-counter {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.8);
    font-size: 14px;
}
@media (max-width: 768px) {
    .lightbox-prev { left: 8px; }
    .lightbox-next { right: 8px; }
    .showcase-grid { grid-template-columns: 1fr; }
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 赛博三端展示 ===== */
.device-showcase {
    background: #080810;
    position: relative;
    overflow: hidden;
}
.device-showcase::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}
.device-showcase .section-title h2 {
    color: #fff;
    text-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}
.device-showcase .section-title p { color: rgba(255,255,255,0.5); }

.device-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}
.device-tab {
    padding: 10px 28px;
    border-radius: 4px;
    border: 1px solid rgba(0, 240, 255, 0.3);
    background: rgba(0, 240, 255, 0.05);
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    letter-spacing: 1px;
}
.device-tab:hover {
    background: rgba(0, 240, 255, 0.15);
    border-color: rgba(0, 240, 255, 0.6);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
    color: #fff;
}
.device-tab.active {
    background: rgba(0, 240, 255, 0.2);
    border-color: #00f0ff;
    color: #00f0ff;
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.3), inset 0 0 10px rgba(0, 240, 255, 0.1);
}

.devices-stage {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 60px;
    perspective: 1200px;
    min-height: 600px;
    position: relative;
    z-index: 2;
}

/* ===== 赛博场景 ===== */
.cyber-scene {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.cyber-scene[data-color="cyan"] { --glow: #00f0ff; }
.cyber-scene[data-color="pink"] { --glow: #ff00a0; }
.cyber-scene[data-color="purple"] { --glow: #a855f7; }

/* 动漫人物剪影 */
.cyber-figure {
    position: relative;
    width: 70px;
    height: 90px;
    margin-bottom: -10px;
    z-index: 0;
}
.cyber-head {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f5d0c5, #e8b4a2);
    margin: 0 auto;
    position: relative;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
}
.cyber-hair {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 26px;
    background: #1a1a2e;
    border-radius: 25px 25px 0 0;
    border: 1px solid var(--glow);
    box-shadow: 0 0 10px var(--glow);
}
.cyber-hair::after {
    content: '';
    position: absolute;
    top: 4px;
    right: -5px;
    width: 14px;
    height: 20px;
    background: #1a1a2e;
    border-radius: 0 10px 10px 0;
    border: 1px solid var(--glow);
    box-shadow: 0 0 8px var(--glow);
}
.cyber-body {
    width: 48px;
    height: 42px;
    background: linear-gradient(180deg, #0a1628, #1a3a5c);
    border-radius: 18px 18px 0 0;
    margin: -5px auto 0;
    border: 1px solid var(--glow);
    box-shadow: 0 0 15px rgba(0,0,0,0.3), inset 0 0 10px rgba(255,255,255,0.05);
}

/* 手持 */
.cyber-hands {
    display: flex;
    gap: 4px;
    margin-top: -14px;
    position: relative;
    z-index: 5;
}
.cyber-hand {
    width: 16px;
    height: 26px;
    background: linear-gradient(to bottom, #f5d0c5, #e8b4a2);
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.cyber-label {
    margin-top: 14px;
    font-size: 12px;
    font-weight: 700;
    color: var(--glow);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 10px var(--glow);
}

/* ===== PC ===== */
.device-pc {
    width: 520px;
    flex-shrink: 0;
    transition: transform 0.4s ease;
    position: relative;
    z-index: 1;
}
.device-pc:hover { transform: translateY(-6px); }
.pc-frame {
    background: rgba(10, 15, 30, 0.95);
    border-radius: 8px 8px 0 0;
    padding: 12px 12px 0;
    border: 1px solid var(--glow);
    border-bottom: none;
    box-shadow: 0 0 40px rgba(0,0,0,0.6), 0 0 80px rgba(0, 240, 255, 0.15);
}
.pc-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 6px 10px;
}
.pc-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}
.pc-dot.red { background: #ff0055; color: #ff0055; }
.pc-dot.yellow { background: #ffcc00; color: #ffcc00; }
.pc-dot.green { background: #00ff88; color: #00ff88; }
.pc-screen {
    background: #050508;
    border-radius: 4px 4px 0 0;
    height: 300px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
}
.pc-screen::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0, 240, 255, 0.03) 2px, rgba(0, 240, 255, 0.03) 4px);
    pointer-events: none;
    z-index: 10;
    animation: scanline 8s linear infinite;
}
@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}
.pc-stand {
    width: 100px; height: 18px;
    background: linear-gradient(180deg, #1a1a2e, #0a0a12);
    margin: 0 auto;
    border: 1px solid var(--glow);
    border-top: none;
}
.pc-base {
    width: 140px; height: 4px;
    background: var(--glow);
    margin: 0 auto;
    border-radius: 0 0 2px 2px;
    box-shadow: 0 0 20px var(--glow);
}

/* ===== Tablet ===== */
.device-tablet {
    width: 220px;
    flex-shrink: 0;
    transition: transform 0.4s ease;
    position: relative;
    z-index: 1;
}
.device-tablet:hover { transform: translateY(-6px); }
.tablet-frame {
    background: rgba(10, 15, 30, 0.95);
    border-radius: 14px;
    padding: 12px;
    border: 1px solid var(--glow);
    box-shadow: 0 0 40px rgba(0,0,0,0.6), 0 0 60px rgba(255, 0, 160, 0.15);
}
.tablet-camera {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--glow);
    margin: 0 auto 8px;
    box-shadow: 0 0 8px var(--glow);
}
.tablet-screen {
    background: #050508;
    border-radius: 6px;
    height: 320px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
}
.tablet-screen::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 0, 160, 0.03) 2px, rgba(255, 0, 160, 0.03) 4px);
    pointer-events: none;
    z-index: 10;
    animation: scanline 8s linear infinite;
}
.tablet-home {
    width: 20px; height: 20px;
    border-radius: 50%;
    border: 1px solid var(--glow);
    margin: 8px auto 0;
    box-shadow: 0 0 8px var(--glow);
}

/* ===== Phone ===== */
.device-phone {
    width: 160px;
    flex-shrink: 0;
    transition: transform 0.4s ease;
    position: relative;
    z-index: 1;
}
.device-phone:hover { transform: translateY(-6px); }
.phone-frame {
    background: rgba(10, 15, 30, 0.95);
    border-radius: 24px;
    padding: 8px;
    border: 1px solid var(--glow);
    box-shadow: 0 0 40px rgba(0,0,0,0.6), 0 0 50px rgba(168, 85, 247, 0.15);
}
.phone-notch {
    width: 50px; height: 14px;
    background: #080810;
    border-radius: 0 0 8px 8px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    border: 1px solid var(--glow);
    border-top: none;
}
.phone-screen {
    background: #050508;
    border-radius: 16px;
    height: 300px;
    margin-top: -6px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
}
.phone-screen::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(168, 85, 247, 0.03) 2px, rgba(168, 85, 247, 0.03) 4px);
    pointer-events: none;
    z-index: 10;
    animation: scanline 8s linear infinite;
}
.phone-bar {
    width: 60px; height: 3px;
    background: var(--glow);
    border-radius: 2px;
    margin: 6px auto 0;
    box-shadow: 0 0 10px var(--glow);
}

/* 屏幕内容通用 */
.device-content {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    padding: 12px;
    opacity: 0;
    transform: scale(0.98);
    transition: all 0.4s ease;
    pointer-events: none;
    overflow: auto;
}
.device-content.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

/* 模拟六合彩页面 - PC */
.sim-page { font-family: inherit; }
.sim-topbar {
    background: linear-gradient(135deg, #0a1628, #1a3a5c);
    color: #fff;
    padding: 8px;
    border-radius: 6px;
    text-align: center;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.sim-topbar span { font-size: 10px; opacity: 0.7; }
.sim-balls {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin: 10px 0;
}
.sim-ball {
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    box-shadow: inset -2px -2px 4px rgba(0,0,0,0.3), inset 2px 2px 4px rgba(255,255,255,0.2);
}
.sim-ball.b1 { background: radial-gradient(circle at 35% 35%, #ff6b6b, #e63946); }
.sim-ball.b2 { background: radial-gradient(circle at 35% 35%, #74c69d, #2a9d8f); }
.sim-ball.b3 { background: radial-gradient(circle at 35% 35%, #a8dadc, #457b9d); }
.sim-ball.b4 { background: radial-gradient(circle at 35% 35%, #f4a261, #e76f51); }
.sim-ball.b5 { background: radial-gradient(circle at 35% 35%, #c77dff, #8338ec); }
.sim-ball.b6 { background: radial-gradient(circle at 35% 35%, #ffd166, #d4a853); }
.sim-ball.bs { background: radial-gradient(circle at 35% 35%, #ff006e, #c9184a); width: 32px; height: 32px; }

.sim-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 10px;
}
.sim-card {
    background: #fff;
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    box-shadow: 3px 3px 8px #d1d1d4, -3px -3px 8px #ffffff;
    transition: transform 0.2s;
}
.sim-card:hover { transform: translateY(-2px); }
.sim-card-icon { font-size: 18px; margin-bottom: 4px; }
.sim-card-title { font-size: 11px; color: #333; font-weight: 600; }

.sim-table {
    width: 100%;
    font-size: 11px;
    border-collapse: collapse;
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 3px 3px 8px #d1d1d4;
}
.sim-table th, .sim-table td {
    padding: 6px;
    text-align: center;
    border-bottom: 1px solid #eee;
}
.sim-table th { background: #0a1628; color: #fff; font-weight: 600; }

.sim-num-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin: 8px 0;
}
.sim-num {
    aspect-ratio: 1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    background: #fff;
    box-shadow: 2px 2px 5px #d1d1d4, -2px -2px 5px #ffffff;
    cursor: pointer;
    transition: all 0.2s;
}
.sim-num:hover, .sim-num.on {
    background: var(--accent);
    color: #fff;
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.2);
}

.sim-btn {
    display: block;
    width: 100%;
    padding: 8px;
    border-radius: 6px;
    border: none;
    background: linear-gradient(135deg, #d4a853, #c49843);
    color: #fff;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    box-shadow: 4px 4px 10px #b0b0b3, -4px -4px 10px #ffffff;
}
.sim-user { text-align: center; padding: 10px; }
.sim-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1a3a5c, #d4a853);
    margin: 0 auto 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 3px 3px 8px #d1d1d4, -3px -3px 8px #ffffff;
}
.sim-balance {
    font-size: 16px;
    font-weight: 800;
    color: #e63946;
    margin-bottom: 10px;
}
.sim-menu { display: grid; gap: 6px; }
.sim-menu-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: #fff;
    border-radius: 6px;
    box-shadow: 2px 2px 5px #d1d1d4, -2px -2px 5px #ffffff;
    font-size: 11px;
}

/* 平板内容微调 */
.device-tablet .sim-topbar { font-size: 11px; padding: 6px; }
.device-tablet .sim-ball { width: 22px; height: 22px; font-size: 9px; }
.device-tablet .sim-ball.bs { width: 26px; height: 26px; }
.device-tablet .sim-grid { grid-template-columns: repeat(2, 1fr); gap: 6px; }
.device-tablet .sim-card { padding: 8px; }
.device-tablet .sim-card-title { font-size: 10px; }
.device-tablet .sim-table { font-size: 9px; }
.device-tablet .sim-table th, .device-tablet .sim-table td { padding: 4px; }
.device-tablet .sim-num-grid { grid-template-columns: repeat(5, 1fr); }
.device-tablet .sim-num { font-size: 9px; }
.device-tablet .sim-btn { font-size: 11px; padding: 6px; }
.device-tablet .sim-avatar { width: 36px; height: 36px; font-size: 14px; }
.device-tablet .sim-balance { font-size: 14px; }
.device-tablet .sim-menu-row { font-size: 10px; padding: 6px; }

/* 手机内容微调 */
.device-phone .sim-topbar { font-size: 9px; padding: 5px; border-radius: 4px; margin-bottom: 6px; }
.device-phone .sim-balls { gap: 3px; margin: 6px 0; }
.device-phone .sim-ball { width: 18px; height: 18px; font-size: 7px; }
.device-phone .sim-ball.bs { width: 22px; height: 22px; }
.device-phone .sim-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; margin-top: 6px; }
.device-phone .sim-card { padding: 5px; border-radius: 5px; }
.device-phone .sim-card-icon { font-size: 14px; }
.device-phone .sim-card-title { font-size: 8px; }
.device-phone .sim-table { font-size: 7px; }
.device-phone .sim-table th, .device-phone .sim-table td { padding: 3px 2px; }
.device-phone .sim-num-grid { grid-template-columns: repeat(5, 1fr); gap: 3px; margin: 6px 0; }
.device-phone .sim-num { font-size: 8px; }
.device-phone .sim-btn { font-size: 10px; padding: 5px; border-radius: 4px; }
.device-phone .sim-user { padding: 6px; }
.device-phone .sim-avatar { width: 28px; height: 28px; font-size: 12px; margin-bottom: 4px; }
.device-phone .sim-balance { font-size: 12px; margin-bottom: 6px; }
.device-phone .sim-menu { gap: 4px; }
.device-phone .sim-menu-row { font-size: 8px; padding: 5px; gap: 5px; border-radius: 4px; }

@media (max-width: 1100px) {
    .devices-stage { gap: 32px; min-height: 520px; }
    .device-pc { width: 400px; }
    .pc-screen { height: 240px; }
    .device-tablet { width: 190px; }
    .tablet-screen { height: 280px; }
    .device-phone { width: 150px; }
    .phone-screen { height: 280px; }
    .cyber-figure { transform: scale(0.85); }
}
@media (max-width: 768px) {
    .devices-stage {
        flex-direction: column;
        align-items: center;
        gap: 0;
        min-height: auto;
        padding: 10px 0;
    }
    .cyber-scene:not(.scene-phone) { display: none; }
    .device-phone {
        width: min(80vw, 320px);
        display: block;
    }
    .phone-screen { height: 460px; }
    .device-tabs { gap: 8px; margin-bottom: 24px; }
    .device-tab { padding: 8px 18px; font-size: 13px; }
    .cyber-figure { transform: scale(0.9); margin-bottom: -5px; }
    .cyber-hands { margin-top: -12px; }
}
@media (max-width: 480px) {
    .device-phone { width: 86vw; }
    .phone-screen { height: 420px; }
}