/* ============================================================
   竞足数据平台 · 销售首页（仿 bigmodel.cn 浅色风格）
   主色：#0057FF 智谱蓝 / 深色区：#0A0E1A
   ============================================================ */
:root {
    --primary: #0057FF;
    --primary-dark: #0042C7;
    --primary-light: rgba(0, 87, 255, .08);
    --bg: #ffffff;
    --bg-soft: #F5F7FA;
    --text: #1F2329;
    --text-2: #5A6072;
    --text-3: #8A90A0;
    --border: #E8ECF3;
    --dark-1: #05070F;
    --dark-2: #0A0E1A;
    --dark-3: #0E1F45;
    --radius: 16px;
    --shadow: 0 4px 20px rgba(15, 23, 42, .06);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    display: block;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ==================== 1. 顶部导航 ==================== */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #f1f1f1;
    transition: background .3s, box-shadow .3s, border-color .3s;
}
.site-nav.scrolled {
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 6px 24px rgba(15, 23, 42, .12);
    border-bottom-color: transparent;
}
.nav-inner {
    width: 100%;
    max-width: none;
    margin: 0 auto;
    display: flex;
    align-items: center;
    height: 64px;
    padding: 0 20px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}
.nav-logo img { height: 32px; }
.nav-logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.15;
    white-space: nowrap;
    transition: color .3s;
}
.nav-logo-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}
.nav-logo-sub {
    font-size: 11px;
    color: #9ca3af;
    letter-spacing: .5px;
}
.nav-menu {
    display: flex;
    gap: 30px;
    margin-left: 72px;
}
.nav-menu a {
    font-size: 14px;
    color: #111;
    position: relative;
    transition: color .3s;
}
.nav-menu a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: #111;
    transition: width .25s;
}
.nav-menu a:hover { color: #111; }
.site-nav.scrolled .nav-menu a:hover::after { width: 100%; }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a.active { font-weight: 600; }
.nav-menu a.active::after { width: 100%; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.nav-link {
    font-size: 14px;
    color: #111;
    transition: color .3s;
}
.nav-link:hover { color: #111; }
.nav-btn {
    display: inline-block;
    background: #111;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 8px;
    transition: background .25s, transform .2s;
}
.nav-btn:hover { background: #2B2B2B; transform: translateY(-1px); }
.nav-toggle {
    position: relative;
    display: none;
    margin-left: auto;
    background: none;
    border: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
}
.nav-toggle span {
    position: absolute;
    left: 10px;
    top: 50%;
    width: 20px;
    height: 2px;
    margin-top: -1px;
    border-radius: 2px;
    background: var(--text);
    transition: transform .25s ease, opacity .25s ease;
    transform-origin: center;
    will-change: transform, opacity;
}
.nav-toggle span:nth-child(1) { transform: translateY(-7px); }
.nav-toggle span:nth-child(2) { transform: translateY(0); }
.nav-toggle span:nth-child(3) { transform: translateY(7px); }
.nav-toggle.active span:nth-child(1) { transform: translateY(0) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(0) rotate(-45deg); }
/* ==================== 3. Hero 主视觉（浅色） ==================== */
.hero {
    position: relative;
    overflow: hidden;
    color: var(--text);
    background: #f7f8fa;
    padding: 85px 0 100px;
}
.hero-inner {
    position: relative;
    z-index: 1;
    /* 与第二屏模块同宽（1080px）并去横向内边距，保证文本左缘与下方卡片左缘对齐 */
    max-width: 1080px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 60px;
}

/* ---------- Hero 背景动画：浮动光斑 + 上升粒子 ---------- */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}
.hero-bg .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: .9;
    will-change: transform;
}
.orb-1 {
    width: 340px;
    height: 340px;
    left: -80px;
    top: -90px;
    background: radial-gradient(circle, rgba(0, 87, 255, .45), transparent 70%);
    animation: orbFloat1 14s ease-in-out infinite alternate;
}
.orb-2 {
    width: 300px;
    height: 300px;
    right: -70px;
    top: 40px;
    background: radial-gradient(circle, rgba(46, 116, 255, .4), transparent 70%);
    animation: orbFloat2 16s ease-in-out infinite alternate;
}
.orb-3 {
    width: 260px;
    height: 260px;
    left: 32%;
    bottom: -100px;
    background: radial-gradient(circle, rgba(124, 92, 255, .35), transparent 70%);
    animation: orbFloat3 18s ease-in-out infinite alternate;
}
.orb-4 {
    width: 220px;
    height: 220px;
    right: 28%;
    bottom: 40px;
    background: radial-gradient(circle, rgba(0, 201, 167, .3), transparent 70%);
    animation: orbFloat4 15s ease-in-out infinite alternate;
}
@keyframes orbFloat1 {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(46px, 34px) scale(1.08); }
}
@keyframes orbFloat2 {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(-38px, 44px) scale(1.06); }
}
@keyframes orbFloat3 {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(30px, -36px) scale(1.1); }
}
@keyframes orbFloat4 {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(-26px, -28px) scale(.95); }
}
/* 上升粒子 */
.hero-bg .particle {
    position: absolute;
    bottom: -20px;
    border-radius: 50%;
    background: rgba(0, 87, 255, .55);
    opacity: 0;
    animation: rise linear infinite;
}
.p1 { left: 8%; width: 10px; height: 10px; animation-duration: 12s; animation-delay: 0s; }
.p2 { left: 22%; width: 7px; height: 7px; background: rgba(46, 116, 255, .6); animation-duration: 15s; animation-delay: 3s; }
.p3 { left: 38%; width: 8px; height: 8px; background: rgba(124, 92, 255, .55); animation-duration: 13s; animation-delay: 6s; }
.p4 { left: 56%; width: 6px; height: 6px; background: rgba(0, 201, 167, .6); animation-duration: 17s; animation-delay: 2s; }
.p5 { left: 74%; width: 9px; height: 9px; background: rgba(0, 87, 255, .5); animation-duration: 14s; animation-delay: 8s; }
.p6 { left: 90%; width: 7px; height: 7px; background: rgba(46, 116, 255, .55); animation-duration: 16s; animation-delay: 5s; }
@keyframes rise {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    8% { opacity: .7; }
    90% { opacity: .35; }
    100% { transform: translateY(-520px) scale(.6); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
    .hero-bg .orb,
    .hero-bg .particle { animation: none; }
}
.hero-left { flex: 1 1 55%; min-width: 0; }
.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 87, 255, .08);
    border: 1px solid rgba(0, 87, 255, .28);
    color: var(--primary);
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 22px;
}
.hero-tag i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2E74FF;
    box-shadow: 0 0 8px #2E74FF;
}
.hero h1 {
    font-size: clamp(34px, 4.4vw, 54px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: .5px;
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(92deg, #2F86DE 0%, #5B5CE0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-sub {
    margin: 20px 0 34px;
    font-size: 17px;
    color: var(--text-2);
    max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; }
/* Hero 区主按钮黑色 */
.hero-actions .btn-primary {
    background: #111;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}
.hero-actions .btn-primary:hover {
    background: #2B2B2B;
    box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 10px;
    transition: background .25s, transform .2s, box-shadow .25s;
    box-shadow: 0 8px 24px rgba(0, 87, 255, .35);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 87, 255, .4);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    transition: background .25s, border-color .25s, color .25s;
}
.btn-ghost:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}
.hero-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 36px;
    font-size: 14px;
    color: var(--text-3);
}
.hero-trust i {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(0, 0, 0, .25);
}
.hero-right { flex: 1 1 45%; display: flex; justify-content: flex-end; }
.data-panel {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 26px 28px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .08);
}
.dp-head {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-2);
    margin-bottom: 18px;
}
.dp-num {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-1, #1E293B);
    background: #F1F5F9;
    border-radius: 5px;
    padding: 2px 8px;
}
.dp-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #FF4D4F;
    box-shadow: 0 0 8px #FF4D4F;
    animation: pulse 1.4s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .35; }
}
.dp-live {
    margin-left: auto;
    font-size: 11px;
    color: #FF4D4F;
    border: 1px solid rgba(255, 77, 79, .45);
    border-radius: 4px;
    padding: 1px 7px;
    letter-spacing: 1px;
}
.dp-live-wrap {
    margin-left: auto;
    display: inline-flex;
    cursor: pointer;
}
.dp-live-wrap .dp-live { margin-left: 0; }

.dp-body {
    position: relative;
}
.dp-live-overlay {
    position: absolute;
    top: 0;
    bottom: -20px;
    left: -5px;
    right: -5px;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    z-index: 10;
    display: none;
}
.data-panel.live-active .dp-live-overlay { display: block; }
.dp-live-overlay iframe { width: 100%; height: 100%; border: 0; display: block; }
.dp-match {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}
.dp-team {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 90px;
    font-size: 14px;
}
.dp-team span {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.dp-team img {
    width: 60px;
    height: 60px;
    border-radius: 0;
    background: #fff;
    object-fit: contain;
    padding: 4px;
}
.dp-score {
    font-size: 40px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #111;
}
.dp-score span { -webkit-text-fill-color: rgba(0, 0, 0, .25); }
.dp-stats { display: flex; flex-direction: column; gap: 12px; }
.dp-row { display: flex; align-items: center; gap: 12px; font-size: 13px; }
.dp-row-label { width: 22px; color: var(--text-3); }
.dp-bar {
    flex: 1;
    height: 6px;
    border-radius: 6px;
    background: #EDF0F5;
    overflow: hidden;
}
.dp-bar i {
    display: block;
    height: 100%;
    border-radius: 6px;
    background: linear-gradient(90deg, #0057FF, #4C8CFF);
}
.dp-bar i.bar-draw { background: linear-gradient(90deg, #2E74FF, #7FB0FF); }
.dp-bar i.bar-loss { background: linear-gradient(90deg, #1B3E85, #4C7FD0); }
.dp-row-val { width: 44px; text-align: right; color: var(--text); font-weight: 600; }
.dp-foot {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-3);
    text-align: center;
}

/* ==================== 4. 一句话定位 ==================== */
.value {
    padding: 90px 0 70px;
    text-align: center;
    /* 第二屏背景：上白下灰，白色占 4/5，底部过渡到与第三屏 bg-soft 相同浅灰实现融合 */
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 80%, #F5F7FA 100%);
}
/* 一句话定位区「V3 预测模型」标签：改为黑底白字 */
.value .sec-tag {
    background: #000;
    color: #fff;
}
/* 「V3 预测模型」两大内容模块：左右两块并排展示（桌面）/ 上下堆叠（手机） */
.value .vi-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 1080px;
    margin: 36px auto 0;
    text-align: left;
}
.value .vi-col {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 400px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 30px 32px 30px;
    box-shadow: 0 8px 28px rgba(16, 24, 40, 0.07);
    transition: all .35s ease;
    -webkit-tap-highlight-color: transparent;
}
/* 卡片右上角足球装饰图 */
.value .vi-col::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: url("../image/football.png") no-repeat top right / contain;
    opacity: .3;
    pointer-events: none;
    z-index: 0;
}
.value .vi-col:hover,
.value .vi-col.vi-pressed {
    background: linear-gradient(145deg, #2BB4F6 0%, #0E7EEA 100%);
    border: 0;
    outline: none;
    transform: translateY(-6px);
    box-shadow: 0 22px 48px rgba(14, 126, 234, 0.30);
}
.value .vi-col-title {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    text-align: left;
}
.value .vi-col-title .vi-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #000;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    transition: all .35s ease;
}
.value .vi-col-title h4 {
    margin: 0;
    font-size: 22px;
    font-weight: 800;
    color: #1f2329;
    letter-spacing: .5px;
    transition: color .35s ease;
}
.value .vi-col:hover .vi-col-title h4,
.value .vi-col.vi-pressed .vi-col-title h4 {
    color: #fff;
}
.value .vi-col .vi-text {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
}
.value .vi-col .vi-text p {
    margin: auto 0 0;
    font-size: 16px;
    line-height: 1.8;
    color: #3f4654;
    text-align: justify;
    transition: color .35s ease, transform .35s ease;
}
.value .vi-col:hover p,
.value .vi-col.vi-pressed p {
    color: rgba(255, 255, 255, 0.92);
    transform: translateY(-45px);
}
/* 电脑端 hover：文字上移量加大 10px，与「立即体验」按钮间距增大 */
@media (min-width: 769px) {
    .value .vi-col:hover p,
    .value .vi-col.vi-pressed p {
        transform: translateY(-55px);
    }
}
/* 第二块（量化推演引擎）正文字距再收窄 3px（1.8 → 25.8px） */
.value .vi-grid .vi-col:last-child .vi-text p {
    line-height: 25.8px;
}
/* 第一块开场强调句：加大一号、黑色加粗、独占一行（后续内容另起一行） */
.value .vi-col p .vi-lead {
    display: block;
    color: #000;
    font-size: 18px;
    font-weight: 700;
    transition: color .35s ease;
}
.value .vi-col:hover p .vi-lead,
.value .vi-col.vi-pressed p .vi-lead {
    color: #fff;
}
/* 第二块正文中量化工具名：黑色加粗强调 */
.value .vi-col p .vi-key {
    color: #000;
    font-weight: 600;
    transition: color .35s ease;
}
.value .vi-col:hover p .vi-key,
.value .vi-col.vi-pressed p .vi-key {
    color: #fff;
}
/* 「立即体验」按钮：默认隐藏，悬停时文字上移腾位、按钮同步淡入上浮 */
.value .vi-col-link {
    position: absolute;
    left: 32px;
    bottom: 33px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 18px;
    font-size: 14px;
    font-weight: 600;
    color: #000;
    background: #fff;
    border: none;
    border-radius: 999px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity .35s ease, transform .35s ease;
    pointer-events: none;
    will-change: opacity, transform;
}
.value .vi-col-link span {
    display: inline-block;
    transition: transform .25s ease;
}
.value .vi-col:hover .vi-col-link,
.value .vi-col.vi-pressed .vi-col-link {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.value .vi-col:hover .vi-col-link span,
.value .vi-col.vi-pressed .vi-col-link span {
    transform: translateX(4px);
}
.value h2 {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    color: var(--text);
    letter-spacing: .5px;
}
.value p {
    margin-top: 14px;
    font-size: 16px;
    color: var(--text-2);
}

/* ==================== 通用：模块标题 ==================== */
.sections { padding: 80px 0; }
.bg-soft { background: var(--bg-soft); }
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.sec-head h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    color: var(--text);
}
.sec-head p {
    margin-top: 12px;
    font-size: 15px;
    color: var(--text-2);
}

/* ==================== 5. 栏目家族区 ==================== */
.card-grid { display: grid; gap: 20px; }
.entry-grid { grid-template-columns: repeat(5, 1fr); }
.entry-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.entry-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(0, 87, 255, .12);
}
.ec-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.ec-icon svg { width: 26px; height: 26px; }
.entry-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.entry-card p {
    flex: 1;
    font-size: 14px;
    color: var(--text-2);
    margin-bottom: 16px;
}
.ec-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.ec-tags span {
    font-size: 12px;
    color: var(--text-2);
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 3px 9px;
}
.ec-arrow {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    transition: color .25s;
}
.entry-card:hover .ec-arrow { color: var(--primary); }
.ec-arrow i { font-size: 12px; transition: transform .25s; }
.entry-card:hover .ec-arrow i { transform: translateX(4px); }

/* ==================== 5b. 赛前初测「计算工程」流程区 ==================== */
.process-wrap {
    max-width: 1080px;
    margin: -30px auto 0;
    padding: 56px 40px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
}
.process-wrap h2 {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 16px;
}
.process-desc {
    max-width: 760px;
    margin: 0 auto 44px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-2);
}
/* 示例胶囊所在行：用于在其右侧放置「详情」文字链接（绝对定位，不影响胶囊居中） */
.process-sample-row {
    position: relative;
    display: flex;
    justify-content: center;
    margin: 0 auto 20px;
}
/* 胶囊右侧「详情」文字链接：仅电脑端显示 */
.process-sample-link {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: calc(25% + 12px);
    transform: translateY(-50%);
    font-size: 14px;
    color: #333;
    white-space: nowrap;
    transition: color .25s;
}
.process-sample-link:hover { color: #000; text-decoration: underline; }
/* 「例 …」示例胶囊标签：外层灰底、无边框；内层「例 + 场次」为白底灰色边框胶囊，内容左对齐 */
.process-sample {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
    width: 50%;
    margin: 0;
    /* 左侧留白 15px；右侧留白由末项 margin 提供（滚动容器右内边距在部分浏览器不生效） */
    padding: 10px 0 10px 15px;
    background: #F7F9FC;
    border: none;
    border-radius: 16px;
    color: #333;
    font-size: 14px;
    line-height: 1.5;
    text-align: left;
    /* 单行不换行：内容超出时截断，可横向滑动查看 */
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.process-sample::-webkit-scrollbar { display: none; }
.process-sample-eg {
    flex: 0 0 auto;
    padding: 2px 10px;
    background: #fff;
    border: 0.8px solid #D0D5DD;
    color: #333;
    font-size: 12px;
    border-radius: 16px;
    white-space: nowrap;
}
/* 场次内容：不换行，超出被截断，可向左滑动查看；右侧留白 15px 与左侧等距 */
.process-sample-txt {
    flex: 0 0 auto;
    white-space: nowrap;
    margin-right: 15px;
}
/* 手机端：滚动过示例胶囊后固定在顶部的比赛信息条 */
.process-sticky-bar { display: none; }
/* 手机端：点击「内容详情」从底部滑出的面板（仅手机端显示） */
.step-sheet { display: none; }
.process-rows {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.process-row {
    display: grid;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
}
.row-2 { grid-template-columns: repeat(2, 1fr); }
.row-3 { grid-template-columns: repeat(3, 1fr); }
.process-step {
    /* 默认：与原来一致，浅灰底、无可见边框（transparent 占位避免 hover 时跳动） */
    background: #F7F9FC;
    border: 1px solid transparent;
    border-radius: 16px;
    padding: 28px 24px;
    text-align: left;
    display: flex;
    flex-direction: column;
    transition: transform .25s, box-shadow .25s, background .25s, border-color .25s;
    position: relative;
}
/* 鼠标移上：背景与「每日竞彩 · 今日焦点」栏目一致（浅蓝→白渐变 + 浅蓝边框）；渐变方向反向 */
@media (hover: hover) and (pointer: fine) {
.process-step:hover {
    transform: translateY(-4px);
    background: linear-gradient(-120deg, #EDF3FF 0%, #F7FAFF 60%, #FFFFFF 100%);
    border-color: #D6E4FF;
    box-shadow: 0 12px 32px rgba(0, 87, 255, .1);
}
.process-step:hover .step-no {
    background: #0057FF;
    color: #fff;
}
}
/* 鼠标移上或按下时：右上角由下向上滑出「内容详情」按钮 */
.step-action {
    position: absolute;
    top: 31px;
    right: 16px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid #D6E4FF;
    color: #333;
    font-size: 13px;
    font-weight: 600;
    border-radius: 10px;
    opacity: 0;
    transform: translateY(45px);
    pointer-events: none;
    transition: transform .35s ease, opacity .3s ease;
    white-space: nowrap;
    /* 鼠标移上显示手势图标 */
    cursor: pointer;
}
.process-step:hover .step-action,
.process-step:active .step-action {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
/* 按下：同款渐变整体略深一档，阴影收紧；渐变方向反向 */
.process-step:active {
    transform: translateY(-1px);
    background: linear-gradient(-120deg, #E4EEFF 0%, #F1F7FF 55%, #FFFFFF 100%);
    border-color: #BFDBFE;
    box-shadow: 0 4px 12px rgba(0, 87, 255, .12);
}
/* 触屏设备（无 hover 能力，含手机 / 平板 / 触屏笔记本）：按下卡片由 JS 添加 .step-pressed，
   卡片高亮与「内容详情」按钮同时出现，并保持显示直到点击卡片外的空白处。
   放在媒体查询外会污染鼠标设备，故限制在 hover: none；不依赖会被浏览器粘滞保留的 :hover */
@media (hover: none) {
.process-step.step-pressed {
    transform: translateY(-4px);
    background: linear-gradient(-120deg, #EDF3FF 0%, #F7FAFF 60%, #FFFFFF 100%);
    border-color: #D6E4FF;
    box-shadow: 0 12px 32px rgba(0, 87, 255, .1);
}
.process-step.step-pressed .step-no {
    background: #0057FF;
    color: #fff;
}
.process-step.step-pressed .step-action {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
}
.step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #1F2329;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 18px;
}
.process-step h3 {
    font-size: 22px;
    font-weight: 800;
    margin-top: -5px;
    margin-bottom: 8px;
    color: var(--text);
    padding-right: 100px;
}
.process-step p {
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.65;
}
/* 栏目底部「立即体验」通栏胶囊按钮：黑色，桌面宽度 50% 居中，手机端 100% 通栏 */
.process-btn {
    display: block;
    width: 50%;
    margin: 40px auto 0;
    padding: 16px 0;
    background: #000;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: 999px;
    transition: background .25s, transform .2s, box-shadow .25s;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .18);
}
.process-btn:hover {
    background: #2B2B2B;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .25);
}

/* ==================== 6–8 屏：内容区与「V3.2 五步大卡」同宽同定位（桌面 1080px，手机 420px）左右对齐 ==================== */
#capabilities .sec-head,
#stats .sec-head {
    width: min(100%, 1080px);
    margin: 0 auto 52px;
}
#capabilities .cap-grid,
#stats .stats-grid {
    max-width: 1080px;
    margin: 0 auto;
}
/* 「每日竞彩·今日焦点」卡片整体上移 40px */
#today .today-card {
    max-width: 1080px;
    margin: -40px auto 0;
}
/* 「SPECIFIC ITEM」标签：与「CORE FORECAST」标签一致——黑色底、白色文字 */
#today .sec-tag {
    background: #000;
    color: #fff;
}
#capabilities .cap-grid,
#stats .stats-grid {
    padding: 0;
}
/* 「DATA SPEAKS」标签：与其他模块标签一致——黑色底、白色文字 */
#stats .sec-tag {
    background: #000;
    color: #fff;
}
/* 「实时比赛条」与下方 4 张能力卡间距缩短 15px（52px → 37px） */
#capabilities .sec-head { margin-bottom: 37px; }

/* ==================== 6. 能力展示区 ==================== */
#capabilities {
    /* 第6屏背景：上白下灰，白色占 4/5，底部过渡到与下一屏(#today bg-soft)相同浅灰实现融合 */
    background: linear-gradient(180deg, #ffffff 0%, #ffffff 80%, #F5F7FA 100%);
}
/* 「CORE FORECAST」标签：黑色无边框、白色文字 */
#capabilities .sec-tag {
    background: #000;
    color: #fff;
}
.cap-grid { grid-template-columns: repeat(4, 1fr); }
.cap-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: transform .25s, border-color .25s, box-shadow .25s;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.cap-card:hover {
    transform: translateY(-4px);
    border-color: #000;
    box-shadow: 0 12px 32px rgba(0, 0, 0, .12);
}
/* 「竞彩 胜平负预测」卡片与同排其他卡片顶部对齐（原下移 15px 已取消） */
#capabilities .cap-grid .cap-card:first-child { margin-top: 0; }
/* 「竞彩 胜平负预测」描述文字与下方「竞彩」标签间距基础归零 */
#capabilities .cap-grid .cap-card:first-child .cap-tags { margin-bottom: 0; }
/* 电脑端：「竞彩」标签与上方描述文字间距增加 15px（16px → 31px） */
@media (min-width: 769px) {
    #capabilities .cap-grid .cap-card:first-child .cap-tags { padding-top: 31px; }
}

/* 卡片按下：黑色边框 + 灰色阴影（阴影收紧、轻微下沉） */
.cap-card:active {
    transform: translateY(-1px);
    border-color: #000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .16);
}
.cap-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: #000;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cap-icon svg { width: 28px; height: 28px; }
.cap-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.cap-card p { font-size: 13px; color: var(--text-2); }
/* 能力展示卡标签（如：竞彩 / 平局 @3.50） */
.cap-tags { display: flex; justify-content: center; gap: 8px; margin-top: auto; padding-top: 16px; flex-wrap: wrap; }
.cap-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
    color: #555;
    text-decoration: none; /* <a> 标签跳转时不显示下划线 */
}
.cap-tag-type { background: #F2F3F5; color: #555; border: 1px solid transparent; }
.cap-tag-odds { background: #fff; border: 0.8px solid #e5e6eb; }
/* 类型标签可点击（跳转比赛详情页「模型 - 策略预测」）：hover 加深底色提示可点 */
a.cap-tag-type { cursor: pointer; transition: background .2s, color .2s; }
a.cap-tag-type:hover { background: #E5E6EB; color: #1F2329; }
a.cap-tag-type:active { background: #D8DCE5; }
/* 类型标签右侧的推荐项标签同样可点击（跳转比赛详情页「模型 - 策略预测」）：
   鼠标移上 / 按下 → 黑底白字 */
a.cap-tag-odds { cursor: pointer; transition: background .2s, color .2s, border-color .2s; }
a.cap-tag-odds:hover,
a.cap-tag-odds:active { background: #000; color: #fff; border-color: #000; }
/* 类型标签文案自适应：桌面「竞彩／亚盘／大小／比分」，手机「初测-竞彩／初测-亚盘／初测-大小／初测-比分」 */
.cap-tag-type .tag-txt-mb { display: none; }
@media (max-width: 768px) {
    .cap-tag-type .tag-txt-pc { display: none; }
    .cap-tag-type .tag-txt-mb { display: inline; }
}
/* 「比分预测」卡片：比分行标签强制不换行 */
#capabilities .cap-grid .cap-card:nth-child(4) .cap-tags { flex-wrap: nowrap; }
#capabilities .cap-grid .cap-card:nth-child(4) .cap-tag { white-space: nowrap; flex-shrink: 0; }
/* 能力展示区：实时比赛胶囊条（沿用「赛前初测」示例胶囊样式）
   外框：圆角白底 + 阴影 */
.cap-realtime {
    margin: 28px auto 0;
}
/* 白底卡片外观：实时比赛条（#capabilities，「竞彩 胜平负预测」上方）
   与演示比赛条（.process-wrap，「01 比赛尽调」上方）共用同一套样式 */
.cap-realtime,
.process-wrap .sample-card {
    width: 55%;
    /* 白条内部左右留白 */
    padding: 14px 16px;
    /* 灰色胶囊条靠左，右侧留出「详情」位置 */
    justify-content: flex-start;
    background: #fff;
    border-radius: 18px;
    box-shadow: 0 4px 14px rgba(15, 23, 42, .06);
}
/* 电脑端：灰色胶囊条占据大部分宽度，右侧给「详情」留出位置 */
.cap-realtime .process-sample,
.process-wrap .sample-card .process-sample {
    width: calc(100% - 56px);
    padding-right: 0;
    border-radius: 18px;
}
/* 电脑端：「详情」位于灰色框右侧的留白处 */
.cap-realtime .process-sample-link,
.process-wrap .sample-card .process-sample-link {
    left: auto;
    right: 16px;
    margin-left: 0;
}
/* 演示比赛条：整体上移 10px、与下方「比赛尽调」间距 30px（不沿用实时比赛条的 28px 上边距） */
.process-wrap .sample-card { margin: -10px auto 30px; }

/* ==================== 7. 每日竞彩专题 ==================== */
.today-card {
    display: flex;
    /* 电脑端：左侧文字模块与右侧走势图顶对齐 */
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
    background: linear-gradient(120deg, #EDF3FF 0%, #F7FAFF 60%, #FFFFFF 100%);
    border: 1px solid #D6E4FF;
    border-radius: 24px;
    padding: 56px 60px;
    position: relative;
    overflow: hidden;
}
.today-card::before {
    content: "";
    position: absolute;
    width: 380px;
    height: 380px;
    right: -120px;
    top: -120px;
    background: radial-gradient(circle, rgba(0, 87, 255, .16), transparent 65%);
    pointer-events: none;
}
.today-left { position: relative; z-index: 1; max-width: 520px; }
/* 电脑端（卡片左右并排时）：左侧「每日焦点 · 特定项走势」文字模块固定 350px 宽，
   右侧走势图自动撑满剩余空间；仅在 >1024px 生效，避免平板/手机堆叠布局被固定宽度影响 */
@media (min-width: 1025px) {
    .today-left {
        width: 350px;
        flex: 0 0 350px;
        max-width: 350px;
    }
}
.today-left h2 {
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 800;
    margin-bottom: 10px;
}
/* 标题下方一行释义文字（单关 / 001 / 002 各自代表什么）
   字号与颜色对齐「能力展示区」的 .sec-head p（15px / var(--text-2)） */
.today-desc {
    color: var(--text-2);
    font-size: 15px;
    line-height: 1.8;
    margin: 0 0 20px;
}
.today-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 28px; }
.today-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-2);
}
.today-list li i { color: var(--primary); font-size: 16px; }
/* 三项走势标签切换：电脑端竖排；未选中白底 + #d6e4ff 蓝边，选中为「查看今日赛事」同款蓝色按钮 */
.today-tabs {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 0;
}
.today-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 26px;
    font-size: 15px;
    font-weight: 400;
    color: #333;
    background: #fff;
    border: 1px solid #d6e4ff;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
    /* 取消按钮按下（点击/触摸）时的原生高亮 */
    -webkit-tap-highlight-color: transparent;
    transition: all .2s;
}
/* 未选中按钮仅在支持鼠标悬停的设备上给反馈；触摸设备点击后不保留「按下/hover」状态 */
@media (hover: hover) and (pointer: fine) {
    .today-tab:not(.active):hover { background: #F5F9FF; border-color: #B9D2FF; }
}
.today-tab.active {
    color: #fff;
    font-weight: 600;
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 87, 255, .35);
}
/* 选中项三角指示：电脑端在按钮右侧、尖朝右指向走势图；与按钮同色，视觉上融合 */
.today-tab.active::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    border-left: 8px solid var(--primary);
    pointer-events: none;
}
/* 手机端用的简写文案，默认隐藏 */
.tab-mb { display: none; }
/* 右侧：随标签切换的走势图区域（宽度自适应撑满剩余空间） */
.today-right {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    margin-left: 30px;
    background: #fff;
    border: 1px solid #D6E4FF;
    border-radius: 18px;
    padding: 14px 16px 0;
    box-shadow: 0 12px 32px rgba(0, 87, 255, .08);
}
.today-pane { display: block; }
/* 走势图（数值与比赛详情页 .trend-chart 保持一致，高度按卡片放大） */
.today-right .trend-chart {
    position: relative;
    width: 100%;
    height: 340px;
}
.today-right .trend-chart canvas {
    width: 100% !important;
    height: 100% !important;
}
.today-right .trend-chart-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 0 12px;
    border-top: 1px dashed #f0f1f3;
    font-size: 11px;
    color: #9aa0a6;
}
.today-right .trend-chart-meta b { font-weight: 600; color: #666; }
.today-orb {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0057FF, #4C8CFF);
    opacity: .12;
    filter: blur(2px);
}
.today-chip {
    position: absolute;
    background: #fff;
    border: 1px solid #D6E4FF;
    border-radius: 12px;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(0, 87, 255, .12);
}
.chip-a { top: -6px; left: -10px; }
.chip-b { top: 42px; right: -26px; color: var(--text); }
.chip-c { bottom: -6px; left: 18px; color: var(--text-2); }

/* ==================== 8. 数据墙 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.stat-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    transition: transform .25s, border-color .25s, box-shadow .25s;
}
.stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(0, 87, 255, .1);
}
.stat-num {
    font-size: clamp(36px, 3.4vw, 46px);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}
.stat-plus, .stat-percent { font-size: .62em; color: var(--primary); }
.stat-item p { margin-top: 10px; font-size: 15px; color: var(--text-2); }

/* ==================== 9. 帮助区（深色） ==================== */
.help-section {
    position: relative;
    background:
        radial-gradient(700px 320px at 20% 120%, rgba(0, 87, 255, .3), transparent 60%),
        radial-gradient(500px 300px at 90% -20%, rgba(46, 116, 255, .25), transparent 60%),
        linear-gradient(150deg, #05070F 0%, #0A0E1A 55%, #0E1F45 100%);
    color: #fff;
    padding: 90px 0;
    text-align: center;
    overflow: hidden;
}
.help-section h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    margin-bottom: 14px;
}
.help-section p { color: rgba(255, 255, 255, .7); font-size: 15px; margin-bottom: 34px; }
.help-actions { display: flex; justify-content: center; gap: 16px; }
/* 「联系我们」按钮固定宽度 200px（窄屏不超过可用宽度） */
.help-actions .btn-primary {
    width: 200px;
    max-width: 100%;
}
.help-actions .btn-ghost {
    color: #fff;
    background: transparent;
    border-color: rgba(255, 255, 255, .35);
}
.help-actions .btn-ghost:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(255, 255, 255, .6);
    color: #fff;
}
/* 「联系我们」按钮下一行的咨询入口：微信 / QQ / 飞机（Telegram）图标
   无外框、纯白色图标；点击区域仍保留 46px 见方便于手机点按 */
.help-socials {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 26px;
    margin-top: 22px;
}
.help-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    font-size: 30px;
    line-height: 1;
    color: #fff;
    background: none;
    border: none;
    /* 默认 35% 透明度，悬停 / 点按时恢复不透明 */
    opacity: .35;
    transition: transform .2s, color .25s, opacity .25s;
    /* 取消手机端点击时的原生高亮 */
    -webkit-tap-highlight-color: transparent;
}
.help-social svg { width: 30px; height: 30px; display: block; }
/* layui 图标字体会被 layui.css 内的同名类覆盖为 16px，这里显式覆盖回 30px，
   让微信 / QQ 图标与右侧飞机 SVG 保持同样大小 */
.help-social .layui-icon { font-size: 30px; }
/* 悬停反馈（仅支持鼠标悬停的设备）：上浮 + 恢复不透明 + 切换各自品牌色 */
@media (hover: hover) and (pointer: fine) {
    .help-social:hover { transform: translateY(-2px); opacity: 1; }
    .help-social-wechat:hover { color: #07C160; }
    .help-social-qq:hover { color: #12B7F5; }
    .help-social-tg:hover { color: #2AABEE; }
}
/* 触屏设备：按下时恢复不透明，给出点按反馈 */
.help-social:active { opacity: 1; }

/* ==================== 10. 页脚（深色） ==================== */
.site-footer {
    background: #04060C;
    color: var(--text-3);
    padding: 34px 0;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.footer-links { display: flex; align-items: center; gap: 14px; }
.footer-links a { color: #B8BEC9; font-size: 14px; transition: color .25s; }
.footer-links a:hover { color: #fff; }
.footer-links i {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .3);
}
.footer-copy { font-size: 13px; }

/* ==================== 滚动淡入动画 ==================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .entry-grid { grid-template-columns: repeat(3, 1fr); }
    .cap-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-inner { flex-direction: column; gap: 48px; }
    .hero-right { width: 100%; justify-content: center; }
    .hero { padding: 59px 0 72px; }
    .today-card { flex-direction: column; align-items: center; text-align: left; padding: 44px 36px; }
    /* 卡片已上下堆叠（走势图在按钮下方）：选中三角改为按钮下方、尖朝下 */
    .today-tab.active::after {
        top: auto;
        bottom: -7px;
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        border-top: 8px solid var(--primary);
        border-bottom: 0;
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
    }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-menu { gap: 20px; margin-left: 28px; }
}
@media (max-width: 768px) {
    .orb-1 { width: 200px; height: 200px; }
    .orb-2 { width: 180px; height: 180px; }
    .orb-3 { width: 150px; height: 150px; }
    .orb-4 { width: 130px; height: 130px; }
    /* 手机端：第一屏文字与卡片限宽与第二屏模块一致（calc(100% - 40px)/420px）并居中，左右边缘对齐 */
    .hero-left,
    .hero-right {
        width: calc(100% - 40px);
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-left {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .hero-right { justify-content: center; }
    .hero-left .hero-sub {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-left .hero-actions,
    .hero-left .hero-trust {
        justify-content: center;
    }
    .nav-menu { display: none; }
    .nav-actions { display: none; }
    .nav-toggle { display: flex; }
    .entry-grid { grid-template-columns: repeat(2, 1fr); }
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .value { padding: 64px 0 48px; }
    /* 手机端：五步骤外框与上一屏模块同宽（calc(100% - 40px)/420px）并居中，左右边缘对齐 */
    .process-wrap {
        width: calc(100% - 40px);
        max-width: 420px;
        margin: -30px auto 0;
        padding: 36px 20px;
    }
    /* 手机端：「立即体验」按钮 100% 通栏 */
    .process-btn { width: 100%; }
    /* 手机端：示例胶囊标签 100% 通栏；隐藏「详情」文字链接 */
    .process-sample { width: 100%; }
    .process-sample-link { display: none; }
    /* 顶部固定条出现时，页面内的示例条同步隐藏：两条互斥，避免同时出现 */
    .process-sample-row.sample-row-hide { visibility: hidden; }
    /* 手机端：滚动过示例胶囊后固定在顶部的比赛信息条 */
    .process-sticky-bar {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        /* 向上延伸至刘海/状态栏安全区，与顶部白色背景融为一体 */
        height: calc(65px + env(safe-area-inset-top));
        padding: 0 15px;
        z-index: 999;
        background: #fff;
        /* 仅白条底部产生阴影，白条内部内容自身不带阴影 */
        box-shadow: 0 6px 12px -6px rgba(15, 23, 42, .18);
        /* 内容在整条白条内垂直居中 */
        align-items: center;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        white-space: nowrap;
        /* 默认收起：向上移出屏幕并淡出，隐藏时不响应点击 */
        opacity: 0;
        transform: translateY(-100%);
        visibility: hidden;
        pointer-events: none;
        transition: transform .32s ease, opacity .32s ease, visibility .32s ease;
    }
    /* 出现：自上而下滑入并淡入 */
    .process-sticky-bar.show {
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
        pointer-events: auto;
        cursor: pointer;
    }
    /* 用户开启「减少动态效果」时不播放动画 */
    @media (prefers-reduced-motion: reduce) {
        .process-sticky-bar { transition: none; }
        .process-sticky-bar .psb-item { animation: none; }
    }
    .process-sticky-bar::-webkit-scrollbar { display: none; }
    .process-sticky-bar .process-sample-eg {
        flex: 0 0 auto;
        height: 26px;
        padding: 0 10px;
        background: #111;
        border-color: #111;
        color: #fff;
    }
    .process-sticky-bar .process-sample-txt { flex: 0 0 auto; margin-right: 15px; }
    /* 主队、客队加粗 */
    .process-sticky-bar .process-sample-txt strong { font-weight: 700; }
    /* 仅胶囊按自身高度垂直居中；文字保持普通行内排版，避免 flex 吞掉与联赛名之间的空格 */
    .process-sticky-bar .process-sample-eg { display: inline-flex; align-items: center; line-height: 1; }
    .process-sticky-bar .process-sample-txt { line-height: 1.2; }
    /* 白条内部内容不产生任何阴影 */
    .process-sticky-bar .process-sample-eg,
    .process-sticky-bar .process-sample-txt { box-shadow: none; }
    /* 白条内的两场比赛（演示比赛 / 第一屏实时赛况比赛）互斥显示，同一时刻只出现一场 */
    .process-sticky-bar .psb-item {
        display: none;
        flex: 0 0 auto;
        align-items: center;
        gap: 8px;
    }
    .process-sticky-bar:not(.hero-mode) .psb-demo,
    .process-sticky-bar.hero-mode .psb-hero {
        display: inline-flex;
        /* 新场次滑入并淡入，旧场次同时消失 */
        animation: psbSwapIn .3s ease both;
    }
    @keyframes psbSwapIn {
        from { opacity: 0; transform: translateX(-12px); }
        to { opacity: 1; transform: translateX(0); }
    }
    /* 手机端：点击「内容详情」从底部滑出的面板（高度 70%，内容暂为空白） */
    .step-sheet {
        display: block;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 1200;
        visibility: hidden;
        pointer-events: none;
    }
    .step-sheet.show { visibility: visible; pointer-events: auto; }
    .step-sheet-mask {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(15, 23, 42, .45);
        opacity: 0;
        transition: opacity .3s ease;
    }
    .step-sheet.show .step-sheet-mask { opacity: 1; }
    .step-sheet-panel {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 70%;
        display: flex;
        flex-direction: column;
        background: #fff;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -8px 24px rgba(15, 23, 42, .12);
        transform: translateY(100%);
        transition: transform .32s ease;
    }
    .step-sheet.show .step-sheet-panel { transform: translateY(0); }
    .step-sheet-head {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
        border-bottom: 1px solid #EEF2F7;
    }
    .step-sheet-title { font-size: 15px; font-weight: 700; color: #111; }
    .step-sheet-close {
        position: relative;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: #F2F4F7;
        cursor: pointer;
    }
    .step-sheet-close::before,
    .step-sheet-close::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        width: 12px;
        height: 1.5px;
        background: #667085;
    }
    .step-sheet-close::before { transform: translate(-50%, -50%) rotate(45deg); }
    .step-sheet-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
    .step-sheet-body {
        flex: 1 1 auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: 16px;
    }
    .row-2,
    .row-3 { grid-template-columns: 1fr; }
    /* 手机端：6–8 屏标题与卡片网格跟随五步骤外框限宽（calc(100% - 40px)/420px）居中，左右边缘对齐 */
    #capabilities .sec-head,
    #stats .sec-head {
        width: 100%;
        max-width: 420px;
    }
    #capabilities .cap-grid,
    #stats .stats-grid {
        width: calc(100% - 40px);
        max-width: 420px;
        margin: 0 auto;
        padding: 0;
    }
    /* 手机端：实时比赛条与「竞彩 胜平负预测」卡片同宽、左右对齐 */
    #capabilities .cap-realtime {
        width: calc(100% - 40px);
        max-width: 420px;
        margin: 28px auto 0;
    }
    #capabilities .cap-realtime .process-sample { width: 100%; padding-right: 0; }
    /* 手机端：演示比赛条同样通栏（与五步骤外框同宽、左右对齐）并上移 10px、下方间距 30px */
    .process-wrap .sample-card {
        width: 100%;
        margin: -10px auto 30px;
    }
    .process-wrap .sample-card .process-sample { width: 100%; padding-right: 0; }
    #today .today-card {
        width: calc(100% - 40px);
        max-width: 420px;
        margin: -40px auto 0;
    }
    /* 手机端：两大模块单列堆叠，与 Hero「实时赛况」框同宽（420px）并左右对齐 */
    .value .vi-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        width: calc(100% - 40px);
        max-width: 420px;
        margin: 24px auto 0;
    }
    /* 手机端：一句话定位正文（「足球最大的魅力…」）宽度与下方卡片外框相同，
       并通过 20px 左右内边距让文字列与卡片内正文左右边缘对齐 */
    .value > .reveal > p {
        width: calc(100% - 40px);
        max-width: 420px;
        padding: 0 20px;
        box-sizing: border-box;
        margin-left: auto;
        margin-right: auto;
    }
    .value .vi-col { overflow: hidden; padding: 22px 20px 24px; border-radius: 14px; }
    /* 手机端：「复盘经验库」卡片内左右留白各加大 5px（卡片内内容宽度左右各缩减 5px） */
    .value .vi-grid .vi-col:first-child { height: 360px; padding-left: 25px; padding-right: 25px; }
    .value .vi-grid .vi-col:first-child .vi-col-link { left: 25px; }
    .value .vi-grid .vi-col:last-child { height: 430px; }
    .value .vi-col p { font-size: 16px; }
    .value .vi-col-link { left: 20px; bottom: 27px; }
    /* 移动端：右上角足球装饰对齐边缘、放大 1 倍 */
    .value .vi-col::before {
        top: 0;
        right: 0;
        width: 220px;
        height: 220px;
    }
    .sections { padding: 56px 0; }
    /* 手机端：说明文字仅收紧下间距，字号与能力展示区副标题保持一致（15px） */
    .today-desc {
        margin-bottom: 16px;
    }
    /* 手机端：3 个标签并排、文案用简写（单关走势 / 001 走势 / 002 走势） */
    .today-tabs {
        flex-direction: row;
        flex-wrap: nowrap;
        align-items: center;
        gap: 10px;
        margin-bottom: 24px;
    }
    .today-tab {
        height: 38px;
        /* 手机端：每个按钮宽度增加 8px（左右内边距各加 4px） */
        padding: 0 14px;
        font-size: 13px;
    }
    .tab-pc { display: none; }
    .tab-mb { display: inline; }
    /* 手机端：右侧不再是装饰，而是走势图区域，需与左侧标签上下堆叠展示 */
    .today-right {
        display: block;
        /* 手机端：走势图整体上移 40px（上间距 24px → -16px），左右两侧各外扩 5px（负外边距 5px） */
        width: 100%;
        max-width: 420px;
        margin: -16px -5px 0;
        flex: none;
        padding: 12px 14px 0;
    }
    .today-right .trend-chart { height: 240px; }
    .footer-inner { flex-direction: column; text-align: center; }

    /* 手机端：顶部导航条随滚动隐藏/显示（下滑收起、上滑展开、顶部固定显示） */
    .site-nav {
        transition: transform 0.3s ease, background 0.3s, box-shadow 0.3s, border-color 0.3s;
    }

    .site-nav.nav-hidden {
        transform: translateY(-100%);
    }
}
@media (max-width: 480px) {
    .entry-grid { grid-template-columns: 1fr; }
    .cap-grid { grid-template-columns: 1fr; }
    /* 「用数据说话」4 个数据块：手机端保持一排 2 个（而非单列堆叠） */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    /* 两列后每格变窄：收紧内边距、缩小数字与文字，避免「10000+」等溢出 */
    .stat-item { padding: 26px 10px; }
    .stat-num { font-size: 30px; }
    .stat-item p { margin-top: 8px; font-size: 13px; }
}

/* ==================== 回到顶部 / 到底部 ==================== */
.go-btns {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.go-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: #000;
    font-size: 20px;
    opacity: 1;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background .2s, color .2s;
}
.go-btn:hover,
.go-btn:active {
    background: #000;
    color: #fff;
}
@media (max-width: 768px) {
    /* 层级降到左侧导航(999)与侧栏遮罩(998)之下：展开左侧抽屉时按钮不浮在导航上 */
    .go-btns { right: 12px; bottom: 16px; z-index: 997; }
    .go-btn { width: 44px; height: 44px; font-size: 18px; }
}

/* 销售首页：PC 端不显示左侧导航，仅移动端抽屉展开（抽屉内部样式沿用 home.css，与其他页面一致） */
body.sh-page .left-nav {
    transform: translateX(-100%);
}
body.sh-page .left-nav.show {
    transform: translateX(0);
}