/* roulang page: index */
:root {
    --bg-primary: #0A1428;
    --bg-secondary: #0D1B36;
    --bg-footer: #060D1C;
    --accent-green: #00E88F;
    --accent-blue: #58A6FF;
    --accent-orange: #FF6A00;
    --text-primary: #EAF0FA;
    --text-secondary: #AEBAD4;
    --text-muted: #667799;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.09);
    --radius-card: 16px;
    --radius-pill: 999px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.30);
    --shadow-green: 0 0 28px rgba(0,238,143,0.35);
    --shadow-orange: 0 0 24px rgba(255,106,0,0.35);
    --spacing-section: 96px;
    --font-cn: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-num: "DIN Alternate", "Roboto Mono", monospace;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-cn);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-blue); text-decoration: none; transition: color .3s ease; }
a:hover { color: var(--accent-green); }
ul, ol { list-style: none; }
input, button, select, textarea { font-family: inherit; font-size: inherit; color: inherit; outline: none; border: none; background: none; }
button { cursor: pointer; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-section) 0; }
.section-alt { background: var(--bg-secondary); }
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
}
.section-header h2 {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 14px;
}
.section-header h2::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 48px;
    height: 4px;
    border-radius: 2px;
    background: var(--accent-green);
    box-shadow: 0 0 16px var(--accent-green);
}
.section-header .more-link {
    font-size: 14px;
    color: var(--accent-blue);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid rgba(88,166,255,0.3);
    border-radius: var(--radius-pill);
    transition: all .3s ease;
}
.section-header .more-link:hover {
    background: rgba(88,166,255,0.1);
    border-color: var(--accent-blue);
    color: var(--accent-green);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 30px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    transition: all .3s cubic-bezier(.25,.8,.25,1);
    white-space: nowrap;
}
.btn-lg { height: 52px; padding: 0 40px; font-size: 16px; }
.btn-primary {
    background: var(--accent-green);
    color: #0A1428;
    box-shadow: var(--shadow-green);
}
.btn-primary:hover {
    background: #00ff9f;
    color: #0A1428;
    box-shadow: 0 0 28px rgba(0,238,143,0.55);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}
.btn-outline:hover {
    background: rgba(88,166,255,0.1);
    color: var(--accent-green);
    border-color: var(--accent-green);
    transform: translateY(-2px);
}
.btn-orange {
    background: var(--accent-orange);
    color: #fff;
    box-shadow: var(--shadow-orange);
}
.btn-orange:hover {
    background: #ff7a1a;
    color: #fff;
    box-shadow: 0 0 28px rgba(255,106,0,0.5);
    transform: translateY(-2px);
}
.btn:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 3px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,20,40,0.88);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header-top {
    height: 64px;
    display: flex;
    align-items: center;
}
.header-top .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--accent-green), #00ff9f);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: #0A1428;
    box-shadow: 0 0 20px rgba(0,238,143,0.35);
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}
.logo-text span { color: var(--accent-green); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-pill);
    padding: 0 8px 0 16px;
    height: 38px;
    width: 280px;
    transition: all .3s ease;
}
.search-box:focus-within {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(0,238,143,0.15);
}
.search-box input {
    flex: 1;
    background: transparent;
    color: var(--text-primary);
    font-size: 14px;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box button {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background .3s, color .3s;
}
.search-box button:hover { background: rgba(255,255,255,0.1); color: var(--accent-green); }
.header-cta {
    height: 38px;
    padding: 0 20px;
    border-radius: var(--radius-pill);
    background: var(--accent-green);
    color: #0A1428;
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all .3s ease;
    box-shadow: 0 0 16px rgba(0,238,143,0.25);
}
.header-cta:hover {
    background: #00ff9f;
    color: #0A1428;
    transform: translateY(-1px);
    box-shadow: 0 0 24px rgba(0,238,143,0.4);
}
.hamburger {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
    font-size: 18px;
    transition: background .3s;
}
.hamburger:hover { background: rgba(255,255,255,0.12); }

.nav-tabs {
    border-top: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    height: 48px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tabs .container {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 100%;
    width: 100%;
}
.nav-pill {
    display: inline-flex;
    align-items: center;
    height: 36px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.07);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    transition: all .3s ease;
    text-decoration: none;
}
.nav-pill:hover {
    background: rgba(255,255,255,0.15);
    color: var(--text-primary);
    transform: translateY(-1px);
}
.nav-pill.active {
    background: var(--accent-green);
    color: #0A1428;
    font-weight: 600;
    box-shadow: 0 0 16px rgba(0,238,143,0.25);
}
.nav-pill:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 620px;
    height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10,20,40,0.85) 0%, rgba(10,20,40,0.6) 50%, rgba(10,20,40,0.2) 100%);
}
.hero-bg::after {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,238,143,0.15), transparent 70%);
    z-index: 0;
}
.hero-decoration {
    position: absolute;
    left: -50px;
    top: 20%;
    width: 200px;
    height: 400px;
    border-left: 2px solid rgba(0,238,143,0.2);
    border-radius: 50%;
    transform: rotate(-30deg);
    z-index: 0;
    animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}
.hero-content {
    position: relative;
    z-index: 2;
    padding: 60px 0;
    max-width: 640px;
}
.hero h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.hero h1 .accent {
    color: var(--accent-green);
    text-shadow: 0 0 30px rgba(0,238,143,0.5);
}
.hero-sub {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
    position: relative;
    z-index: 2;
    display: flex;
    gap: 16px;
    margin-top: 40px;
    flex-wrap: wrap;
    padding-bottom: 60px;
}
.stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    padding: 18px 28px;
    backdrop-filter: blur(14px);
    min-width: 140px;
    text-align: center;
}
.stat-number {
    font-family: var(--font-num);
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-green);
    display: block;
    line-height: 1.2;
}
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; display: block; }
.hero-slant {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-primary);
    clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
    z-index: 3;
}

/* ===== 优惠阶梯 ===== */
.promo-grid .card {
    position: relative;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 32px 28px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
    height: 100%;
}
.promo-grid .card:hover {
    transform: translateY(-4px);
    border-color: rgba(88,166,255,0.4);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}
.promo-grid .card.middle { transform: translateY(-20px); }
.promo-grid .card.middle:hover { transform: translateY(-24px); }
.card-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--accent-green);
    color: #0A1428;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    box-shadow: 0 0 16px rgba(0,238,143,0.3);
}
.card-badge.orange {
    background: var(--accent-orange);
    color: #fff;
    box-shadow: 0 0 16px rgba(255,106,0,0.3);
}
.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(0,238,143,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-green);
    margin-bottom: 20px;
    border: 1px solid rgba(0,238,143,0.2);
}
.card-icon.blue { background: rgba(88,166,255,0.1); color: var(--accent-blue); border-color: rgba(88,166,255,0.2); }
.card-icon.orange { background: rgba(255,106,0,0.1); color: var(--accent-orange); border-color: rgba(255,106,0,0.2); }
.card h3 { font-size: 22px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.card .card-cond { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.card ul { list-style: none; margin: 0 0 24px 0; }
.card ul li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.card ul li i { color: var(--accent-green); font-size: 13px; width: 18px; text-align: center; }
.card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-blue);
    transition: color .3s;
    padding: 8px 0;
}
.card .card-link:hover { color: var(--accent-green); }
.card .card-link i { transition: transform .3s; }
.card .card-link:hover i { transform: translateX(4px); }

/* ===== 套餐对比 ===== */
.compare-wrapper {
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
}
.compare-card {
    flex: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 36px 32px;
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow-card);
    position: relative;
    transition: transform .3s ease;
}
.compare-card:hover { transform: translateY(-4px); }
.compare-card.featured {
    border-top: 4px solid var(--accent-green);
    border-left: 1px solid rgba(0,238,143,0.2);
    border-right: 1px solid rgba(0,238,143,0.2);
    border-bottom: 1px solid rgba(0,238,143,0.2);
}
.compare-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent-orange);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 16px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-orange);
}
.compare-card h3 { font-size: 24px; font-weight: 600; margin-bottom: 8px; }
.compare-card .price-row { margin-bottom: 20px; }
.compare-card .price { font-family: var(--font-num); font-size: 42px; font-weight: 700; color: var(--text-primary); }
.compare-card .price .currency { font-size: 20px; vertical-align: top; margin-right: 4px; }
.compare-card .price-old {
    font-family: var(--font-num);
    font-size: 18px;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: 10px;
    font-weight: 400;
}
.compare-card .price-free { font-size: 32px; font-weight: 700; color: var(--accent-blue); }
.compare-card ul { margin: 0 0 28px 0; }
.compare-card ul li {
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.compare-card ul li:last-child { border-bottom: none; }
.compare-card ul li i { font-size: 13px; width: 18px; text-align: center; }
.compare-card ul li i.fa-check { color: var(--accent-green); }
.compare-card ul li i.fa-circle { color: var(--text-muted); font-size: 6px; }
.compare-card.featured ul li i.fa-check { color: var(--accent-green); text-shadow: 0 0 12px rgba(0,238,143,0.4); }
.vs-badge {
    width: 56px;
    height: 56px;
    background: var(--bg-secondary);
    border: 2px solid var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-green);
    box-shadow: 0 0 24px rgba(0,238,143,0.3);
    flex-shrink: 0;
    z-index: 2;
}

/* ===== 限时入口 ===== */
.limited-section {
    position: relative;
    background: var(--bg-secondary);
    overflow: hidden;
    padding: 80px 0;
}
.limited-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 50%, rgba(255,106,0,0.10), transparent 60%);
    z-index: 0;
}
.limited-bg {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 40%;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 0;
}
.limited-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}
.limited-left {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}
.countdown { display: flex; gap: 12px; }
.countdown-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    padding: 14px 18px;
    text-align: center;
    min-width: 72px;
    backdrop-filter: blur(10px);
}
.countdown-num {
    font-family: var(--font-num);
    font-size: 40px;
    font-weight: 700;
    color: var(--accent-green);
    line-height: 1.2;
    display: block;
}
.countdown-label { font-size: 12px; color: var(--text-secondary); display: block; margin-top: 4px; }
.limited-live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,106,0,0.15);
    border: 1px solid rgba(255,106,0,0.3);
    border-radius: var(--radius-pill);
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-orange);
}
.limited-live i { animation: pulseDot 1.5s ease-in-out infinite; }
@keyframes pulseDot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}
.limited-title { font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.limited-desc { font-size: 15px; color: var(--text-secondary); margin-bottom: 24px; }
.limited-right { text-align: right; }

/* ===== 最新动态 / CMS ===== */
.news-list { border-top: 1px solid rgba(255,255,255,0.04); }
.news-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background .3s ease;
    border-radius: 12px;
    margin: 0 -16px;
}
.news-row:hover {
    background: rgba(88,166,255,0.06);
}
.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 8px 14px;
    min-width: 56px;
    text-align: center;
    flex-shrink: 0;
}
.news-date .day {
    font-family: var(--font-num);
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-green);
    line-height: 1.2;
}
.news-date .month {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.2;
}
.news-cat {
    display: inline-flex;
    align-items: center;
    background: rgba(88,166,255,0.12);
    border: 1px solid rgba(88,166,255,0.25);
    color: var(--accent-blue);
    font-size: 12px;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    white-space: nowrap;
    flex-shrink: 0;
}
.news-title {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    margin: 0 16px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.news-title a { color: var(--text-primary); transition: color .3s; }
.news-title a:hover { color: var(--accent-blue); }
.news-summary {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    max-width: 280px;
    margin: 0;
}
.news-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 14px;
    transition: all .3s;
    flex-shrink: 0;
}
.news-row:hover .news-arrow {
    background: rgba(0,238,143,0.15);
    color: var(--accent-green);
    transform: translateX(4px);
}
.news-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
    font-size: 16px;
}
.news-empty i {
    font-size: 40px;
    display: block;
    margin-bottom: 16px;
    color: var(--text-muted);
    opacity: 0.4;
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color .3s ease;
}
.faq-item:hover { border-color: rgba(0,238,143,0.2); }
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    transition: color .3s;
    gap: 16px;
}
.faq-question:hover { color: var(--accent-green); }
.faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--accent-green);
    flex-shrink: 0;
    transition: transform .3s ease, background .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(0,238,143,0.15); }
.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    transition: all .4s ease;
    background: rgba(255,255,255,0.03);
}
.faq-item.open .faq-answer {
    padding: 20px 24px;
    max-height: 300px;
}

/* ===== 咨询表单 ===== */
.contact-wrap {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}
.contact-info {
    flex: 1;
    min-width: 300px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 36px;
    backdrop-filter: blur(14px);
}
.contact-info h3 { font-size: 24px; font-weight: 600; margin-bottom: 24px; }
.contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.contact-item:last-child { border-bottom: none; }
.contact-item i {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0,238,143,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 16px;
    flex-shrink: 0;
}
.contact-item .text { font-size: 15px; color: var(--text-secondary); }
.contact-item .text strong { display: block; color: var(--text-primary); font-size: 16px; }
.social-row { display: flex; gap: 12px; margin-top: 24px; }
.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    transition: all .3s;
}
.social-btn:hover {
    background: rgba(0,238,143,0.15);
    color: var(--accent-green);
    border-color: var(--accent-green);
    transform: translateY(-3px);
}
.contact-form {
    flex: 1.3;
    min-width: 340px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 36px;
    backdrop-filter: blur(14px);
}
.contact-form label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all .3s ease;
    margin-bottom: 20px;
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--accent-green);
    box-shadow: 0 0 0 3px rgba(0,238,143,0.15);
    background: rgba(255,255,255,0.06);
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--text-muted); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .form-select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23AEBAD4' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}
.form-privacy {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 12px;
    text-align: center;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-footer);
    border-top: 1px solid rgba(88,166,255,0.2);
    padding: 64px 0 0;
}
.footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    padding-bottom: 48px;
}
.footer-col {
    flex: 1;
    min-width: 200px;
}
.footer-col.brand { flex: 1.5; min-width: 280px; }
.footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--accent-green);
}
.footer-col p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: color .3s, padding-left .3s;
    padding-left: 0;
}
.footer-col ul li a:hover {
    color: var(--accent-green);
    padding-left: 6px;
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}
.footer-contact li i { color: var(--accent-blue); width: 16px; text-align: center; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent-green); }
.footer-links { display: flex; gap: 20px; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    :root { --spacing-section: 72px; }
    .hero { min-height: 540px; height: auto; }
    .hero h1 { font-size: 36px; }
    .hero-sub { font-size: 16px; }
    .search-box { width: 200px; }
    .promo-grid .card.middle { transform: translateY(0); }
    .promo-grid .card.middle:hover { transform: translateY(-4px); }
    .compare-wrapper { flex-direction: column; }
    .vs-badge { order: 2; }
    .compare-card { width: 100%; order: 1; }
    .compare-card.featured { order: 3; }
    .limited-content { flex-direction: column; align-items: flex-start; }
    .limited-right { text-align: left; }
    .limited-bg { display: none; }
    .news-row { flex-wrap: wrap; }
    .news-title { flex: 100%; order: 3; margin: 8px 0 0 0; white-space: normal; }
    .news-summary { flex: 1 1 60%; order: 4; max-width: 100%; white-space: normal; margin-top: 4px; }
    .news-arrow { order: 5; }
}

@media (max-width: 640px) {
    :root { --spacing-section: 56px; }
    .container { padding: 0 16px; }
    .header-top { height: auto; padding: 12px 0; }
    .search-box { display: none; }
    .header-cta span { display: none; }
    .header-cta { width: 38px; padding: 0; justify-content: center; }
    .hamburger { display: flex; }
    .nav-tabs { height: auto; padding: 8px 0; }
    .hero { min-height: 480px; }
    .hero h1 { font-size: 30px; }
    .hero-sub { font-size: 15px; }
    .hero-stats { flex-wrap: wrap; }
    .stat-card { min-width: 100px; padding: 14px 18px; }
    .stat-number { font-size: 22px; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 32px; }
    .section-header h2 { font-size: 26px; }
    .btn, .btn-lg { height: 44px; padding: 0 24px; font-size: 14px; }
    .promo-grid .grid-x > .cell { margin-bottom: 24px; }
    .compare-card { padding: 24px 20px; }
    .countdown { gap: 8px; }
    .countdown-item { min-width: 60px; padding: 10px 12px; }
    .countdown-num { font-size: 28px; }
    .countdown-label { font-size: 11px; }
    .limited-title { font-size: 22px; }
    .news-row { padding: 16px 8px; margin: 0; gap: 12px; }
    .news-date { padding: 6px 10px; min-width: 48px; }
    .news-date .day { font-size: 18px; }
    .news-cat { font-size: 11px; padding: 3px 10px; }
    .contact-info, .contact-form { min-width: 100%; padding: 24px 20px; }
    .footer-grid { gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 26px; }
    .hero-sub { font-size: 14px; }
    .hero-actions { flex-direction: column; gap: 12px; }
    .hero-actions .btn { width: 100%; }
    .stat-card { min-width: calc(50% - 8px); }
    .countdown-item { min-width: 52px; padding: 8px 8px; }
    .countdown-num { font-size: 22px; }
    .countdown-label { font-size: 10px; }
    .news-summary { display: none; }
    .news-title { font-size: 16px; }
    .limited-left { flex-direction: column; gap: 16px; }
    .compare-card .price { font-size: 32px; }
    .compare-card .price-old { font-size: 16px; }
}

/* roulang page: article */
:root {
            --bg-primary: #0A1428;
            --bg-secondary: #0D1B36;
            --bg-footer: #060D1C;
            --accent: #00E88F;
            --accent-hover: #00C47A;
            --blue: #58A6FF;
            --orange: #FF6A00;
            --text-primary: #EAF0FA;
            --text-secondary: #AEBAD4;
            --text-muted: #667799;
            --glass-bg: rgba(255,255,255,0.05);
            --glass-border: rgba(255,255,255,0.09);
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.30);
            --glow-green: 0 0 28px rgba(0,238,143,0.35);
            --transition: all .3s ease;
            --container: 1200px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-primary {
            background: var(--accent);
            color: #06251A;
            box-shadow: var(--glow-green);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: #06251A;
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(0, 238, 143, 0.55);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 20px rgba(0, 238, 143, 0.3);
        }
        .btn-outline {
            background: transparent;
            border-color: var(--blue);
            color: var(--blue);
        }
        .btn-outline:hover {
            background: rgba(88, 166, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-orange {
            background: var(--orange);
            color: #fff;
            box-shadow: 0 0 24px rgba(255, 106, 0, 0.35);
        }
        .btn-orange:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(255, 106, 0, 0.5);
            color: #fff;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 20, 40, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-top {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 22px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .logo:hover {
            color: var(--text-primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--accent);
            color: #06251A;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(0, 238, 143, 0.5);
            flex-shrink: 0;
        }
        .logo-text span {
            color: var(--accent);
            margin-left: 2px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            padding: 6px 16px;
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 238, 143, 0.2);
        }
        .header-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 14px;
            width: 140px;
            font-family: inherit;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .header-cta {
            padding: 8px 20px;
            font-size: 14px;
        }
        .header-cta i {
            margin-right: 6px;
        }

        .nav-tabs {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .nav-tabs .container {
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: 6px;
            padding-bottom: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs .container::-webkit-scrollbar {
            display: none;
        }
        .nav-pill {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-pill:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .nav-pill.active {
            background: var(--accent);
            color: #06251A;
            font-weight: 600;
            border-color: transparent;
        }
        .nav-pill.active:hover {
            color: #06251A;
        }

        .breadcrumb {
            padding: 16px 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }

        .article-page {
            padding: 32px 0 40px;
        }
        .article-header {
            max-width: 800px;
            margin: 0 auto 28px;
            text-align: center;
        }
        .article-category {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 238, 143, 0.12);
            border: 1px solid rgba(0, 238, 143, 0.2);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .meta-item i {
            color: var(--accent);
            font-size: 12px;
        }

        .article-body {
            max-width: 720px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .article-body h1,
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.3;
            font-weight: 700;
        }
        .article-body h2 {
            font-size: 26px;
            margin-top: 32px;
        }
        .article-body h3 {
            font-size: 20px;
            margin-top: 24px;
        }
        .article-body p {
            margin-bottom: 16px;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
        }
        .article-body img {
            border-radius: var(--radius-card);
            margin: 20px 0;
            border: 1px solid var(--glass-border);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(0, 238, 143, 0.05);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 16px 20px;
        }
        .article-body ul li {
            list-style: disc;
        }
        .article-body ol li {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .article-body code {
            background: rgba(88, 166, 255, 0.1);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
        }
        .article-body pre {
            background: var(--bg-footer);
            border-radius: 12px;
            padding: 16px;
            overflow-x: auto;
            margin: 16px 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0;
            font-size: 15px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--glass-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body th {
            background: rgba(255, 255, 255, 0.05);
            font-weight: 600;
        }

        .article-empty {
            text-align: center;
            padding: 60px 24px;
            max-width: 720px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
        }
        .article-empty i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .article-empty h2 {
            font-size: 22px;
            margin-bottom: 12px;
        }
        .article-empty p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .article-tags-bar {
            max-width: 720px;
            margin: 24px auto 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .tag-list {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tag-pill {
            padding: 4px 16px;
            border-radius: 999px;
            background: rgba(88, 166, 255, 0.12);
            color: var(--blue);
            font-size: 13px;
            border: 1px solid rgba(88, 166, 255, 0.2);
            transition: var(--transition);
        }
        .tag-pill:hover {
            background: rgba(88, 166, 255, 0.25);
            color: #fff;
        }
        .share-links {
            display: flex;
            gap: 8px;
        }
        .share-link {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
        }
        .share-link:hover {
            background: var(--accent);
            color: #06251A;
            transform: translateY(-2px);
        }

        .related-section {
            max-width: 720px;
            margin: 48px auto 0;
            padding: 0 24px;
        }
        .related-section h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .related-card {
            display: block;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .3s ease;
        }
        .related-card:hover {
            border-color: var(--blue);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .related-card img {
            aspect-ratio: 16 / 10;
            object-fit: cover;
            width: 100%;
        }
        .related-card .card-body {
            padding: 16px;
        }
        .related-card .card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        .back-bar {
            max-width: 720px;
            margin: 32px auto 48px;
            padding: 0 24px;
        }
        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            border: 1px solid var(--blue);
            color: var(--blue);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            background: transparent;
        }
        .back-btn:hover {
            background: rgba(88, 166, 255, 0.1);
            color: #fff;
            transform: translateX(-2px);
        }

        .faq-section {
            padding: 80px 0;
            background: var(--bg-secondary);
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 40px;
            color: var(--text-primary);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 0 24px;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color .3s ease;
        }
        .faq-item.open {
            border-color: var(--accent);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 500;
            cursor: pointer;
            font-family: inherit;
            transition: color .3s ease;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            transition: transform .3s ease;
            flex-shrink: 0;
            position: relative;
        }
        .faq-icon::after {
            content: '';
            width: 10px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: background .3s;
        }
        .faq-icon::before {
            content: '';
            position: absolute;
            width: 2px;
            height: 10px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: background .3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open .faq-icon::after,
        .faq-item.open .faq-icon::before {
            background: var(--accent);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(255, 106, 0, 0.08), rgba(0, 238, 143, 0.06));
        }
        .cta-wrap {
            text-align: center;
            padding: 0 24px;
        }
        .cta-wrap h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .cta-wrap p {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 17px;
        }

        .site-footer {
            background: var(--bg-footer);
            padding: 60px 0 0;
            border-top: 1px solid rgba(88, 166, 255, 0.2);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-contact li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: var(--text-secondary);
            font-size: 14px;
        }
        .footer-contact li i {
            color: var(--accent);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-links a {
            color: var(--text-muted);
            margin-left: 16px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-header h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .header-search input {
                width: 80px;
            }
            .header-cta span {
                display: none;
            }
            .header-cta i {
                margin-right: 0;
            }
            .article-body {
                padding: 20px;
            }
            .cta-wrap h2 {
                font-size: 26px;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            .site-header .header-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
            .header-search {
                padding: 6px 12px;
            }
            .header-search input {
                width: 60px;
            }
            .header-actions {
                gap: 10px;
            }
            .logo-text {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-meta {
                gap: 8px;
            }
            .article-body {
                padding: 16px;
            }
            .article-header h1 {
                font-size: 24px;
            }
            .back-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .article-tags-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-wrap h2 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --bg-primary: #0A1428;
  --bg-secondary: #0D1B36;
  --bg-footer: #060D1C;
  --bg-card: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.09);
  --accent: #00E88F;
  --accent-hover: #35FFAC;
  --secondary: #58A6FF;
  --warning: #FF6A00;
  --text-main: #EAF0FA;
  --text-secondary: #AEBAD4;
  --text-muted: #667799;
  --radius-card: 16px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.30);
  --glow-green: 0 0 28px rgba(0, 238, 143, 0.35);
  --glow-orange: 0 0 24px rgba(255, 106, 0, 0.35);
  --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "DIN Alternate", "Roboto Mono", monospace;
  --space-desktop: 96px;
  --space-tablet: 72px;
  --space-mobile: 56px;
}

/* ===== Reset / Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
a:hover, a:focus { color: var(--secondary); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-head { text-align: center; margin-bottom: 36px; }
.section-head h2 { font-size: 32px; font-weight: 700; line-height: 1.25; }
.section-head p { color: var(--text-secondary); font-size: 15px; margin-top: 8px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: none;
  transition: background .25s ease, transform .2s ease, box-shadow .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-green { background: var(--accent); color: #08131f; box-shadow: var(--glow-green); }
.btn-green:hover { background: var(--accent-hover); color: #08131f; transform: translateY(-2px); box-shadow: 0 0 40px rgba(0, 238, 143, 0.55); }
.btn-green:active { transform: translateY(0); box-shadow: var(--glow-green); }
.btn-outline { background: transparent; color: var(--secondary); border: 1px solid var(--secondary); }
.btn-outline:hover { background: rgba(88, 166, 255, 0.1); color: var(--secondary); transform: translateY(-2px); }
.btn-orange { background: var(--warning); color: #fff; box-shadow: var(--glow-orange); }
.btn-orange:hover { background: #ff7d1f; color: #fff; transform: translateY(-2px); box-shadow: 0 0 32px rgba(255, 106, 0, 0.55); }
.btn-orange:active { transform: translateY(0); box-shadow: var(--glow-orange); }
.btn-sm { height: 36px; padding: 0 18px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(10, 20, 40, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background .3s ease;
}
.site-header.scrolled { background: rgba(10, 20, 40, 0.96); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35); }
.header-top { height: 64px; display: flex; align-items: center; }
.header-top .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; }
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo:focus-visible, .nav-pill:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 8px; }
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), #00b36e);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 20px; color: #08131f;
  box-shadow: 0 0 18px rgba(0, 238, 143, 0.35);
  flex-shrink: 0;
}
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-main); }
.logo-text span { color: var(--accent); font-weight: 600; font-size: 15px; margin-left: 4px; }
.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.search-box { position: relative; width: 240px; }
.search-box input {
  width: 100%;
  height: 38px;
  padding: 0 16px 0 38px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  font-size: 13px;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0, 238, 143, 0.15); }
.search-box i { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 13px; pointer-events: none; }

.nav-tabs { background: rgba(8, 16, 32, 0.6); border-top: 1px solid rgba(255, 255, 255, 0.04); }
.nav-tabs .container {
  display: flex;
  gap: 10px;
  padding-top: 8px;
  padding-bottom: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-tabs .container::-webkit-scrollbar { display: none; }
.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  white-space: nowrap;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.nav-pill:hover { background: rgba(255, 255, 255, 0.12); color: var(--text-main); border-color: var(--border-card); }
.nav-pill.active { background: var(--accent); color: #08131f; font-weight: 700; box-shadow: var(--glow-green); }
.nav-pill.active:hover { background: var(--accent-hover); color: #08131f; }

/* ===== 分类页 Banner ===== */
.page-banner {
  position: relative;
  padding: 56px 0 48px;
  background: linear-gradient(180deg, #0A1428 0%, #0D1B36 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  z-index: 0;
}
.page-banner::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(0, 238, 143, 0.12);
  filter: blur(60px);
  z-index: 0;
}
.page-banner .container { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: var(--text-muted); }
.breadcrumb .current { color: var(--text-secondary); }
.page-banner h1 { font-size: 42px; font-weight: 700; line-height: 1.2; margin-bottom: 14px; letter-spacing: -0.5px; }
.page-banner h1 .highlight { color: var(--accent); }
.page-desc { font-size: 16px; color: var(--text-secondary); max-width: 640px; line-height: 1.8; }

/* ===== 分类页两栏布局 ===== */
.category-layout { padding: var(--space-desktop) 0; }
.main-content { width: 100%; }
.sidebar { width: 100%; }

/* 通用内容卡片 */
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color .3s ease, transform .3s ease;
}
.content-card h2 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  line-height: 1.3;
}
.content-card h2 .line { width: 4px; height: 24px; background: var(--accent); border-radius: 2px; flex-shrink: 0; }
.content-card > p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; }

/* 赛事活动中心 */
.sport-intro { display: flex; gap: 28px; align-items: center; }
.sport-intro .text { flex: 1; }
.sport-intro .text p { color: var(--text-secondary); font-size: 15px; line-height: 1.8; margin-bottom: 14px; }
.sport-intro .text p:last-child { margin-bottom: 0; }
.sport-intro .media { flex: 0 0 280px; }
.sport-intro .media img { width: 100%; height: 220px; object-fit: cover; border-radius: var(--radius-card); border: 1px solid var(--border-card); box-shadow: var(--shadow-card); }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag-pill {
  display: inline-block;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(88, 166, 255, 0.12);
  color: var(--secondary);
}

/* 赛事类型卡片 */
.sport-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
.sport-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 24px 18px;
  text-align: center;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  backdrop-filter: blur(14px);
}
.sport-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-card); }
.sport-card:focus-within { border-color: var(--secondary); }
.sport-card .icon {
  width: 48px; height: 48px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: rgba(0, 238, 143, 0.1);
  color: var(--accent);
}
.sport-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.sport-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.sport-card a.inline-link { display: inline-block; margin-top: 12px; font-size: 13px; color: var(--secondary); font-weight: 500; }
.sport-card a.inline-link:hover { color: var(--accent); }

/* 数据亮点 */
.stats-section {
  position: relative;
  padding: 48px 28px;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(0, 238, 143, 0.08), transparent), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  overflow: hidden;
}
.stats-section::before { content: ''; position: absolute; inset: 0; background: rgba(10, 20, 40, 0.72); border-radius: inherit; }
.stats-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-item { text-align: center; padding: 16px 8px; }
.stat-num { font-family: var(--font-num); font-size: 42px; font-weight: 700; color: var(--accent); line-height: 1; text-shadow: 0 0 24px rgba(0, 238, 143, 0.3); }
.stat-label { font-size: 14px; color: var(--text-secondary); margin-top: 10px; }

/* 流程 */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 20px; }
.step-item { position: relative; padding: 20px 14px; text-align: center; }
.step-num {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  line-height: 1;
}
.step-item h3 { font-size: 16px; font-weight: 600; margin: 10px 0 6px; }
.step-item p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.step-item + .step-item::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 38px;
  width: 20px;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

/* 热门赛事预告 */
.match-list { margin-top: 12px; }
.match-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 14px;
  border-radius: var(--radius-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background .25s ease;
}
.match-item:hover { background: rgba(88, 166, 255, 0.06); }
.match-date {
  font-family: var(--font-num);
  text-align: center;
  line-height: 1.2;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 6px 10px;
  min-width: 52px;
  flex-shrink: 0;
}
.match-date .day { font-size: 18px; font-weight: 700; color: var(--text-main); display: block; }
.match-date .month { font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.match-body { flex: 1; min-width: 0; }
.match-body h3 { font-size: 15px; font-weight: 600; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.match-body p { font-size: 13px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.match-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: rgba(88, 166, 255, 0.15);
  color: var(--secondary);
  flex-shrink: 0;
}
.match-arrow { color: var(--text-muted); font-size: 14px; transition: transform .25s ease, color .25s ease; flex-shrink: 0; }
.match-item:hover .match-arrow { color: var(--accent); transform: translateX(4px); }

/* ===== 侧边栏 ===== */
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 24px;
  margin-bottom: 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}
.sidebar-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i { color: var(--accent); font-size: 16px; }
.sub-nav li { border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.sub-nav li:last-child { border-bottom: none; }
.sub-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 4px;
  font-size: 14px;
  color: var(--text-secondary);
  transition: color .2s ease, padding-left .2s ease;
}
.sub-nav a:hover { color: var(--accent); padding-left: 8px; }
.sub-nav a i { font-size: 10px; color: var(--text-muted); transition: transform .2s ease; }
.sub-nav a:hover i { transform: translateX(3px); color: var(--accent); }

.recommend-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-card);
  margin-bottom: 16px;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-card);
  transition: border-color .25s ease, transform .25s ease;
}
.recommend-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.recommend-card img { width: 100%; height: 160px; object-fit: cover; border-bottom: 1px solid var(--border-card); }
.recommend-card .rec-body { padding: 16px; }
.recommend-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.recommend-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.recommend-card .btn { margin-top: 12px; width: 100%; justify-content: center; }

/* ===== 底部横幅 ===== */
.cta-banners { padding: 0 0 var(--space-desktop); }
.cta-banner-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cta-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  padding: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(14px);
  transition: transform .25s ease, border-color .25s ease;
}
.cta-banner:hover { transform: translateY(-4px); border-color: var(--accent); }
.cta-banner::before { content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--accent); }
.cta-banner.orange::before { background: var(--warning); }
.cta-banner.orange .badge { background: var(--warning); color: #fff; }
.badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 11px;
  font-weight: 600;
  color: #08131f;
  background: var(--accent);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.cta-banner .banner-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.cta-banner .banner-body p { font-size: 13px; color: var(--text-secondary); margin-bottom: 14px; }
.banner-inner .btn-sm { height: 34px; padding: 0 16px; font-size: 13px; }

/* ===== FAQ ===== */
.faq-section { padding: 0 0 var(--space-desktop); background: var(--bg-secondary); padding-top: var(--space-desktop); margin-top: 0; }
.faq-section .container { max-width: 900px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s ease;
}
.faq-item.active { border-color: rgba(0, 238, 143, 0.4); }
.faq-title {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
  text-align: left;
  transition: color .25s ease;
}
.faq-title:hover { color: var(--accent); }
.faq-title:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 16px; }
.faq-title .fa-plus { font-size: 14px; color: var(--text-muted); transition: transform .3s ease, color .3s ease; flex-shrink: 0; }
.faq-item.active .fa-plus { transform: rotate(45deg); color: var(--accent); }
.faq-content { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-content p { padding: 0 24px 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== CTA 区块 ===== */
.cta-section {
  position: relative;
  padding: var(--space-desktop) 0;
  background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-top: 1px solid var(--border-card);
  border-bottom: 1px solid var(--border-card);
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(10, 20, 40, 0.86); }
.cta-section .container { position: relative; z-index: 2; text-align: center; max-width: 760px; }
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 10px; line-height: 1.2; }
.cta-section p { color: var(--text-secondary); margin-bottom: 28px; font-size: 16px; }
.cta-section .btn { margin: 0 6px; }

/* ===== 咨询表单 ===== */
.contact-section { padding: var(--space-desktop) 0; }
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; }
.contact-info { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-card); padding: 28px; backdrop-filter: blur(14px); box-shadow: var(--shadow-card); }
.contact-info h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.contact-info > p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }
.contact-info ul li { display: flex; align-items: center; gap: 12px; padding: 10px 0; color: var(--text-secondary); font-size: 14px; }
.contact-info ul li i { width: 34px; height: 34px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: rgba(0, 238, 143, 0.1); color: var(--accent); }
.contact-icon-row { display: flex; gap: 10px; margin-top: 18px; }
.contact-icon-row a {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  font-size: 14px;
  transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
}
.contact-icon-row a:hover { background: rgba(0, 238, 143, 0.12); color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

.contact-form { background: var(--bg-card); border: 1px solid var(--border-card); border-radius: var(--radius-card); padding: 28px; backdrop-filter: blur(14px); box-shadow: var(--shadow-card); }
.contact-form h3 { font-size: 20px; font-weight: 600; margin-bottom: 20px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13px; color: var(--text-secondary); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--text-main);
  background: rgba(10, 20, 40, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-lg);
  font-size: 14px;
  outline: none;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 238, 143, 0.15);
}
.form-group textarea { min-height: 90px; resize: vertical; }
.form-group select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667799' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; background-size: 14px; }
.submit-row { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.submit-row .btn { min-width: 140px; }
.privacy-note { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-footer); border-top: 1px solid rgba(88, 166, 255, 0.2); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer-col h4 { font-size: 15px; color: var(--text-main); margin-bottom: 16px; font-weight: 600; }
.footer-col p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--text-secondary); font-size: 14px; transition: color .2s ease; }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 14px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom .footer-links a { color: var(--text-muted); margin-left: 16px; transition: color .2s ease; }
.footer-bottom .footer-links a:hover { color: var(--accent); }

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  :root { --space-desktop: 72px; }
  .sport-cards { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .search-box { width: 180px; }
  .cta-banner-row { grid-template-columns: 1fr; }
  .sport-intro .media { flex: 0 0 220px; }
  .step-item + .step-item::before { display: none; }
}

@media (max-width: 768px) {
  .search-box { display: none; }
  .page-banner h1 { font-size: 32px; }
  .header-actions .btn { padding: 0 18px; font-size: 14px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .sport-intro { flex-direction: column; }
  .sport-intro .media { flex: 0 0 auto; width: 100%; }
  .sport-intro .media img { height: 200px; }
  .page-desc { font-size: 15px; }
  .cta-section h2 { font-size: 28px; }
}

@media (max-width: 640px) {
  :root { --space-desktop: 56px; --space-mobile: 56px; }
  .container { padding-left: 16px; padding-right: 16px; }
  .header-top { height: 56px; }
  .logo-text { font-size: 19px; }
  .logo-text span { font-size: 13px; }
  .header-actions .btn { padding: 0 14px; height: 36px; font-size: 13px; }
  .header-actions { gap: 8px; }
  .nav-pill { height: 32px; padding: 0 14px; font-size: 13px; }
  .page-banner { padding: 40px 0 36px; }
  .page-banner h1 { font-size: 27px; }
  .content-card { padding: 20px; }
  .content-card h2 { font-size: 22px; }
  .sport-cards { grid-template-columns: 1fr; gap: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-num { font-size: 32px; }
  .steps { grid-template-columns: 1fr 1fr; gap: 12px; }
  .step-item { padding: 14px 8px; }
  .match-item { flex-wrap: wrap; gap: 10px; }
  .match-body h3 { white-space: normal; }
  .match-body p { white-space: normal; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom .footer-links a { margin: 0 8px; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 24px; }
  .cta-section .btn { margin: 6px; }
  .contact-info, .contact-form { padding: 20px; }
  .cta-banner { padding: 22px; flex-direction: column; align-items: flex-start; }
  .section-head h2 { font-size: 26px; }
  .faq-title { padding: 16px 18px; font-size: 15px; }
  .faq-content p { padding: 0 18px 18px; }
}

@media (max-width: 480px) {
  .sport-cards { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 24px; }
  .logo-icon { width: 32px; height: 32px; font-size: 17px; }
  .header-actions .btn span.cta-text { display: none; }
  .header-actions .btn i { display: inline-block; }
  .header-actions .btn { width: 38px; height: 38px; padding: 0; border-radius: 50%; }
  .btn i.fa-comment-dots { font-size: 16px; }
}