/* ============================================================
   微视兔弱视训练软件官网 - 共享样式
   风格：蓝色科技 + 童趣点缀
   ============================================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-deep: #0f2b5b;
    --primary-light: #eaf1ff;
    --accent-orange: #ff8a3d;
    --accent-purple: #8b7cff;
    --accent-green: #22c55e;
    --accent-cyan: #38bdf8;
    --bg-light: #f5f8ff;
    --bg-white: #ffffff;
    --text-main: #1f2937;
    --text-muted: #64748b;
    --border-color: #e5ecf9;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-card: 0 10px 30px rgba(37, 99, 235, 0.08);
    --shadow-hover: 0 16px 40px rgba(37, 99, 235, 0.15);
}

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

html {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    color: var(--text-main);
    background: var(--bg-white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    -webkit-tap-highlight-color: transparent;
}

ul, ol {
    list-style: none;
}

img {
    border: 0;
    vertical-align: middle;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-deep);
}

.brand img {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(139, 124, 255, 0.35);
}

.brand .brand-sub {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    display: block;
    line-height: 1.2;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    color: var(--text-main);
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-nav-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff !important;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-nav-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.45);
}

/* ---------- Hero 区 ---------- */
.hero {
    position: relative;
    background: linear-gradient(160deg, #ffffff 0%, #eef4ff 55%, #e3edff 100%);
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(70px);
    opacity: 0.45;
    pointer-events: none;
}

.hero::before {
    width: 420px;
    height: 420px;
    background: #bcd7ff;
    top: -140px;
    right: -100px;
}

.hero::after {
    width: 360px;
    height: 360px;
    background: #e3d9ff;
    bottom: -160px;
    left: -120px;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 88px 0 72px;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.18);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
}

.hero h1 {
    font-size: 44px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 18px;
}

.hero h1 .highlight {
    color: var(--primary);
}

.hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    margin-bottom: 34px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 26px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 15px 38px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 34px rgba(37, 99, 235, 0.5);
}

.btn-download svg {
    flex-shrink: 0;
}

.hero-meta {
    font-size: 13.5px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 22px;
}

.hero-meta span b {
    color: var(--text-main);
    font-weight: 600;
}

/* Hero 右侧吉祥物 */
.hero-mascot {
    position: relative;
    flex-shrink: 0;
    width: 360px;
    height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mascot-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.10), rgba(139, 124, 255, 0.14));
    animation: ringPulse 4s ease-in-out infinite;
}

.mascot-ring.r2 {
    inset: 42px;
    background: rgba(255, 255, 255, 0.65);
    animation-delay: 1.2s;
}

.hero-mascot img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    animation: floatY 5s ease-in-out infinite;
    filter: drop-shadow(0 18px 30px rgba(15, 43, 91, 0.22));
}

.mascot-chip {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: #fff;
    box-shadow: var(--shadow-card);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-main);
    animation: floatY 6s ease-in-out infinite;
}

.mascot-chip .chip-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #fff;
}

.mascot-chip.c1 { top: 44px; left: -12px; animation-delay: 0.6s; }
.mascot-chip.c2 { bottom: 60px; right: -16px; animation-delay: 1.6s; }
.mascot-chip.c3 { bottom: -6px; left: 40px; animation-delay: 2.4s; }

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

@keyframes ringPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.75; }
}

/* ---------- 数据条 ---------- */
.stats-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.stats-inner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    padding: 26px 0;
    max-width: 640px;
}

.stat-item {
    text-align: center;
    padding: 6px 12px;
}

.stat-item + .stat-item {
    border-left: 1px solid var(--border-color);
}

.stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}

.stat-num small {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-dark);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---------- 多端下载 ---------- */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 24px;
}

.platform-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 24px 28px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.platform-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.platform-card.is-coming {
    opacity: 0.72;
}

.platform-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: #fff;
}

.platform-icon svg {
    width: 32px;
    height: 32px;
}

.platform-icon.windows { background: linear-gradient(135deg, #38bdf8, #2563eb); }
.platform-icon.android { background: linear-gradient(135deg, #22c55e, #16a34a); }
.platform-icon.ios    { background: linear-gradient(135deg, #8b7cff, #6d5bd0); }
.platform-icon.mac    { background: linear-gradient(135deg, #94a3b8, #64748b); }
.platform-icon.harmony { background: linear-gradient(135deg, #fb7185, #e11d48); }

.platform-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 6px;
}

.platform-desc {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.platform-size {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 18px;
    min-height: 1.2em;
}

.platform-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 24px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: auto;
}

.platform-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(37, 99, 235, 0.4);
}

.platform-btn.disabled {
    background: #e5ecf9;
    color: #94a3b8;
    box-shadow: none;
    cursor: default;
}

.platform-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ---------- 通用区块 ---------- */
.section {
    padding: 84px 0;
}

.section.alt {
    background: var(--bg-light);
}

.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 52px;
}

.section-tag {
    display: inline-block;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(37, 99, 235, 0.09);
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-deep);
    line-height: 1.4;
    margin-bottom: 12px;
}

.section-head p {
    color: var(--text-muted);
    font-size: 15.5px;
}

/* ---------- 功能卡片 ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.feature-icon.blue { background: linear-gradient(135deg, #e3edff, #cdddff); }
.feature-icon.orange { background: linear-gradient(135deg, #ffedd8, #ffe2c4); }
.feature-icon.purple { background: linear-gradient(135deg, #ece9ff, #ded7ff); }
.feature-icon.green { background: linear-gradient(135deg, #dcfce7, #c6f2d6); }
.feature-icon.cyan { background: linear-gradient(135deg, #dff4ff, #c9ebff); }
.feature-icon.pink { background: linear-gradient(135deg, #ffe9f3, #ffd9ea); }

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14.5px;
    color: var(--text-muted);
}

/* ---------- 训练模块 ---------- */
.module-row {
    display: flex;
    align-items: center;
    gap: 56px;
    margin-bottom: 64px;
}

.module-row:last-child {
    margin-bottom: 0;
}

.module-row.reverse {
    flex-direction: row-reverse;
}

.module-visual {
    flex-shrink: 0;
    width: 400px;
    height: 300px;
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.module-visual svg {
    width: 100%;
    height: 100%;
}

.module-content h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.module-content h3 .module-no {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    background: rgba(37, 99, 235, 0.09);
    padding: 4px 12px;
    border-radius: 999px;
}

.module-content > p {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.game-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.game-tag {
    padding: 7px 16px;
    border-radius: 999px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-main);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.06);
    transition: border-color 0.2s, color 0.2s;
}

.game-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.game-tag.hot {
    border-color: rgba(255, 138, 61, 0.5);
    background: #fff7ef;
    color: #d96b1f;
}

/* ---------- 适用人群 ---------- */
.audience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.audience-card {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.audience-card.family {
    background: linear-gradient(150deg, #ffffff 0%, #eef4ff 100%);
    border: 1px solid #dbe8ff;
}

.audience-card.org {
    background: linear-gradient(150deg, #ffffff 0%, #f2efff 100%);
    border: 1px solid #e4ddff;
}

.audience-card .audience-emoji {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 18px;
    background: #fff;
    box-shadow: 0 6px 16px rgba(15, 43, 91, 0.10);
}

.audience-card h3 {
    font-size: 21px;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 8px;
}

.audience-card .audience-sub {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 14px;
}

.audience-card ul {
    display: grid;
    gap: 10px;
}

.audience-card ul li {
    position: relative;
    padding-left: 26px;
    font-size: 14.5px;
    color: var(--text-muted);
}

.audience-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.14);
    color: #16a34a;
    font-size: 11px;
    font-weight: 800;
    text-align: center;
    line-height: 18px;
    margin-top: 4px;
}

/* ---------- 最新更新 ---------- */
.update-panel {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.update-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(139, 124, 255, 0.08));
    border-bottom: 1px solid var(--border-color);
}

.update-version {
    display: flex;
    align-items: center;
    gap: 12px;
}

.update-version .ver-badge {
    padding: 5px 14px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.update-version .ver-date {
    font-size: 13.5px;
    color: var(--text-muted);
}

.update-panel-body {
    padding: 28px 32px 30px;
}

.update-list {
    display: grid;
    gap: 14px;
}

.update-list li {
    position: relative;
    padding-left: 30px;
    font-size: 15px;
    color: var(--text-main);
}

.update-list li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent-purple));
}

.update-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--primary);
    transition: gap 0.2s;
}

.update-more:hover {
    gap: 10px;
}

/* ---------- FAQ ---------- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.05);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.faq-item[open] {
    box-shadow: var(--shadow-hover);
    border-color: rgba(37, 99, 235, 0.35);
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 26px;
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-deep);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    user-select: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary .faq-arrow {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 800;
    transition: transform 0.25s;
}

.faq-item[open] summary .faq-arrow {
    transform: rotate(45deg);
    background: var(--primary);
    color: #fff;
}

.faq-answer {
    padding: 0 26px 22px;
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ---------- 下载 CTA ---------- */
.cta-section {
    padding: 84px 0;
    background:
        radial-gradient(600px 300px at 15% 20%, rgba(56, 189, 248, 0.25), transparent 60%),
        radial-gradient(500px 280px at 85% 80%, rgba(139, 124, 255, 0.28), transparent 60%),
        linear-gradient(135deg, #16337a 0%, #1d4ed8 60%, #2563eb 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section h2 {
    color: #fff;
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    margin-bottom: 36px;
}

.cta-section .btn-download {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 14px 32px rgba(6, 20, 55, 0.35);
}

.cta-section .btn-download:hover {
    box-shadow: 0 18px 40px rgba(6, 20, 55, 0.45);
}

.cta-section .cta-meta {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 13.5px;
}

/* ---------- 页脚 ---------- */
.site-footer {
    background: #0c1f45;
    color: rgba(255, 255, 255, 0.75);
    padding: 44px 0 30px;
    font-size: 13.5px;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    align-items: center;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

.footer-brand img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 26px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    transition: color 0.2s;
}

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

.footer-copy {
    padding-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 12.5px;
    line-height: 2;
}

.footer-copy a {
    color: rgba(255, 255, 255, 0.55);
}

.footer-copy a:hover {
    color: #fff;
}

/* ---------- 更新日志页 ---------- */
.page-hero {
    background: linear-gradient(160deg, #ffffff 0%, #eef4ff 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 64px 0 56px;
    text-align: center;
}

.page-hero h1 {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 12px;
}

.page-hero p {
    color: var(--text-muted);
    font-size: 15.5px;
    max-width: 560px;
    margin: 0 auto;
}

.timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding: 72px 0 20px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 19px;
    top: 90px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), rgba(139, 124, 255, 0.4));
}

.timeline-item {
    position: relative;
    padding-left: 68px;
    margin-bottom: 48px;
}

.timeline-dot {
    position: absolute;
    left: 8px;
    top: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
    border: 5px solid var(--primary);
    box-shadow: 0 0 0 5px rgba(37, 99, 235, 0.15);
    z-index: 1;
}

.timeline-item.dev .timeline-dot {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 5px rgba(255, 138, 61, 0.18);
}

.timeline-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
}

.timeline-card-head {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px 14px;
    padding: 22px 30px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(139, 124, 255, 0.07));
    border-bottom: 1px solid var(--border-color);
}

.timeline-card-head .ver-badge {
    padding: 5px 16px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

.timeline-item.dev .timeline-card-head .ver-badge {
    background: linear-gradient(135deg, var(--accent-orange), #f97316);
}

.timeline-card-head .ver-date {
    font-size: 13.5px;
    color: var(--text-muted);
}

.timeline-card-head .ver-flag {
    margin-left: auto;
    font-size: 12.5px;
    font-weight: 600;
    color: #d96b1f;
    background: #fff7ef;
    border: 1px solid rgba(255, 138, 61, 0.45);
    padding: 4px 12px;
    border-radius: 999px;
}

.timeline-card-body {
    padding: 26px 30px 30px;
}

.changelog-group {
    margin-bottom: 26px;
}

.changelog-group:last-child {
    margin-bottom: 0;
}

.changelog-group h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--primary-deep);
    margin-bottom: 14px;
}

.changelog-group h4 .g-icon {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    background: rgba(37, 99, 235, 0.09);
}

.changelog-group ul {
    display: grid;
    gap: 10px;
}

.changelog-group ul li {
    position: relative;
    padding-left: 24px;
    font-size: 14.5px;
    color: var(--text-main);
    line-height: 1.7;
}

.changelog-group ul li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 10px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.55;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .hero-inner {
        flex-direction: column-reverse;
        text-align: center;
        padding: 56px 0 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-meta {
        justify-content: center;
    }

    .hero-mascot {
        width: 300px;
        height: 300px;
    }

    .hero-mascot img {
        width: 210px;
        height: 210px;
    }

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

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

    .module-row,
    .module-row.reverse {
        flex-direction: column-reverse;
        gap: 32px;
        text-align: center;
    }

    .module-content h3 {
        justify-content: center;
    }

    .game-tags {
        justify-content: center;
    }

    .module-visual {
        width: 100%;
        max-width: 400px;
        height: 280px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 32px;
    }

    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px 0;
    }

    .stat-item:nth-child(3) {
        border-left: none;
    }

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

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

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

    .section {
        padding: 60px 0;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .update-panel-head,
    .update-panel-body {
        padding-left: 20px;
        padding-right: 20px;
    }

    .timeline::before {
        left: 15px;
    }

    .timeline-item {
        padding-left: 52px;
    }

    .timeline-dot {
        left: 4px;
    }

    .timeline-card-head,
    .timeline-card-body {
        padding-left: 20px;
        padding-right: 20px;
    }

    .timeline-card-head .ver-flag {
        margin-left: 0;
    }
}