/* 欧易下载官网 — 潮流深色主题 · 单文件样式 */
:root {
    --bg: #070b12;
    --bg-elevated: #0f1623;
    --bg-card: #141c2b;
    --bg-soft: #f4f7fb;
    --primary: #00e5c8;
    --primary-dim: rgba(0, 229, 200, 0.15);
    --accent: #ff5c35;
    --accent-dim: rgba(255, 92, 53, 0.12);
    --text: #e8edf5;
    --text-dark: #1a2332;
    --text-muted: #8b9cb3;
    --text-muted-dark: #5c6b82;
    --border: rgba(255, 255, 255, 0.08);
    --border-dark: #e2e8f0;
    --glow: 0 0 32px rgba(0, 229, 200, 0.2);
    --radius: 12px;
    --radius-sm: 8px;
    --container: 1120px;
    --nav-h: 64px;
    --section-y: 3.25rem;
    --card-pad: 1.2rem;
    --ease: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    color: var(--text-dark);
    line-height: 1.65;
    background: var(--bg-soft);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--accent); }

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* 网格子项防撑破 */
.bento-grid > *,
.metrics-row > *,
.download-wrap > *,
.shield-grid > *,
.badge-row > *,
.flow-track > *,
.news-grid > *,
.story-cards > *,
.story-card > div,
.shield-card > div:last-child,
.dl-top > div:last-child,
.news-body {
    min-width: 0;
}

/* —— 导航 —— */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(7, 11, 18, 0.85);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}
.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-brand img { height: 40px; width: auto; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.nav-menu {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.15rem;
    list-style: none;
    max-width: calc(100% - 130px);
}
.nav-menu a {
    padding: 0.45rem 0.7rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 8px;
    white-space: nowrap;
}
.nav-menu a:hover {
    color: var(--primary);
    background: var(--primary-dim);
}

/* —— 按钮 —— */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.7rem 1.4rem;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    transition: transform var(--ease), box-shadow var(--ease);
    text-decoration: none;
    line-height: 1.3;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-glow {
    background: linear-gradient(135deg, var(--primary), #00b89c);
    color: #070b12;
    box-shadow: var(--glow);
}
.btn-glow:hover { color: #070b12; }
.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-accent {
    background: linear-gradient(135deg, var(--accent), #ff8f6b);
    color: #fff;
}
.btn-outline-dark {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--primary);
}
.btn-outline-dark:hover { background: var(--primary); color: #070b12; }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 1.6rem; font-size: 0.95rem; }

/* —— Hero —— */
.hero {
    position: relative;
    padding: 3rem 0 3.25rem;
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 90%, rgba(0, 229, 200, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 10%, rgba(255, 92, 53, 0.15) 0%, transparent 50%),
        linear-gradient(180deg, #070b12 0%, #0f1623 100%);
    pointer-events: none;
}
.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
    align-items: center;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.85rem;
    max-width: 100%;
    flex-wrap: wrap;
    background: var(--primary-dim);
    border: 1px solid rgba(0, 229, 200, 0.3);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--primary);
    margin-bottom: 1.25rem;
}
.hero-eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--primary);
}
.hero h1 {
    font-size: clamp(1.75rem, 4.5vw, 2.65rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    word-break: break-word;
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, var(--primary), #7dfce8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-lead {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 1.75rem;
    line-height: 1.7;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.25rem; }
.hero-cta .btn { max-width: 100%; }
.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.hero-chips span {
    font-size: 0.75rem;
    padding: 0.3rem 0.7rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
}
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-visual::before {
    content: "";
    position: absolute;
    width: 70%;
    height: 70%;
    background: var(--primary);
    filter: blur(80px);
    opacity: 0.2;
    border-radius: 50%;
}
.hero-visual img {
    position: relative;
    max-width: 260px;
    width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

/* —— 信任条 —— */
.trust-strip {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 0;
}
.trust-strip-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem 1.75rem;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.trust-item strong { color: var(--text); font-weight: 600; }

/* —— 通用区块 —— */
.section { padding: var(--section-y) 0; }
.section-dark { background: var(--bg); color: var(--text); }
.section-light { background: var(--bg-soft); }
.section-head {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem;
}
.section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}
.section-dark .section-tag { color: var(--primary); }
.section-head h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}
.section-dark .section-head h2 { color: var(--text); }
.section-head p {
    font-size: 0.95rem;
    color: var(--text-muted-dark);
    line-height: 1.7;
}
.section-dark .section-head p { color: var(--text-muted); }

/* —— 品牌叙事 —— */
.story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
.story-content h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.75rem);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}
.story-content p {
    font-size: 0.92rem;
    color: var(--text-muted-dark);
    margin-bottom: 0.85rem;
}
.story-cards {
    display: grid;
    gap: 0.85rem;
}
.story-card {
    display: flex;
    gap: 0.85rem;
    padding: var(--card-pad);
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border-dark);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.story-card > div { flex: 1; }
.story-card-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), #00b89c);
    color: #070b12;
    font-weight: 800;
    font-size: 0.85rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.story-card h3 { font-size: 0.95rem; color: var(--text-dark); margin-bottom: 0.3rem; }
.story-card p { font-size: 0.85rem; color: var(--text-muted-dark); margin: 0; }

/* —— Bento 产品矩阵 —— */
#features { scroll-margin-top: var(--nav-h); }
.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 0.85rem;
    align-items: stretch;
}
.bento-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--card-pad);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: border-color var(--ease), box-shadow var(--ease);
}
.bento-item:hover {
    border-color: rgba(0, 229, 200, 0.35);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}
.bento-item.span-4 { grid-column: span 4; }
.bento-item.span-6 { grid-column: span 6; }
.bento-item.span-8 { grid-column: span 8; }
.bento-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-dim);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}
.bento-item h3 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.5rem;
    font-weight: 700;
}
.bento-item p {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.55;
    flex: 1;
}

/* —— 数据实力 —— */
#stats { scroll-margin-top: var(--nav-h); }
.metrics-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    align-items: stretch;
}
.metric-card {
    text-align: center;
    padding: 1.35rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
    min-width: 0;
}
.metric-value {
    font-size: clamp(1.75rem, 4vw, 2.35rem);
    font-weight: 800;
    background: linear-gradient(90deg, var(--primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.metric-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

/* —— 下载中心 —— */
#download { scroll-margin-top: var(--nav-h); }
.download-wrap {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    align-items: stretch;
}
.dl-card {
    background: #fff;
    border-radius: var(--radius);
    padding: var(--card-pad) 1.3rem;
    border: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: box-shadow var(--ease);
    min-width: 0;
}
.dl-card:hover { box-shadow: 0 10px 28px rgba(0, 229, 200, 0.1); }
.dl-card .btn { margin-top: auto; align-self: flex-start; max-width: 100%; }
.dl-top {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1rem;
}
.dl-top > div:last-child { flex: 1; min-width: 0; }
.dl-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.dl-icon.pc { background: linear-gradient(135deg, #3b82f6, #1d4ed8); }
.dl-icon.mob { background: linear-gradient(135deg, #22c55e, #15803d); }
.dl-top h3 { font-size: 1.1rem; color: var(--text-dark); }
.dl-top .sub { font-size: 0.82rem; color: var(--text-muted-dark); }
.dl-list {
    list-style: none;
    margin-bottom: 1rem;
    flex: 1;
}
.dl-list li {
    font-size: 0.88rem;
    color: var(--text-muted-dark);
    padding: 0.35rem 0 0.35rem 1.25rem;
    position: relative;
}
.dl-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}
.dl-tip {
    margin-top: 1.25rem;
    padding: 0.9rem 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    border-left: 3px solid var(--primary);
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* —— 注册流程 —— */
#register { scroll-margin-top: var(--nav-h); }
.flow-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    position: relative;
    align-items: start;
}
.flow-track::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 12%;
    right: 12%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.4;
    z-index: 0;
}
.flow-step {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 0.75rem;
}
.flow-dot {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.85rem;
    font-size: 1rem;
    background: #fff;
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(0, 229, 200, 0.2);
}
.flow-step h3 {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
}
.flow-step p {
    font-size: 0.82rem;
    color: var(--text-muted-dark);
    line-height: 1.55;
}

/* —— 信任体系 —— */
#security { scroll-margin-top: var(--nav-h); }
.shield-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.85rem;
    align-items: stretch;
}
.shield-card {
    display: flex;
    gap: 1rem;
    padding: var(--card-pad);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    align-items: flex-start;
    min-width: 0;
    height: 100%;
}
.shield-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--accent-dim);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}
.shield-card h3 {
    font-size: 0.95rem;
    color: var(--text);
    margin-bottom: 0.5rem;
}
.shield-card ul {
    list-style: none;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.shield-card ul li { padding: 0.2rem 0; }
.badge-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.85rem;
    margin-top: 1.25rem;
    align-items: stretch;
}
.badge-item {
    text-align: center;
    padding: var(--card-pad);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    min-width: 0;
    height: 100%;
}
.badge-item h4 { font-size: 0.9rem; color: var(--primary); margin-bottom: 0.35rem; }
.badge-item p { font-size: 0.78rem; color: var(--text-muted); }

/* —— FAQ —— */
#faq { scroll-margin-top: var(--nav-h); }
.faq-list {
    display: grid;
    gap: 0.75rem;
    max-width: 800px;
    margin: 0 auto;
}
.faq-block {
    background: #fff;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    padding: var(--card-pad) 1.2rem;
    transition: border-color var(--ease);
}
.faq-block:hover { border-color: var(--primary); }
.faq-block h3 {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: 0.45rem;
    font-weight: 700;
}
.faq-block p {
    font-size: 0.88rem;
    color: var(--text-muted-dark);
    line-height: 1.65;
}

/* —— 资讯 —— */
#article { scroll-margin-top: var(--nav-h); }
.news-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.news-top h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-dark);
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.85rem;
    align-items: stretch;
}
.news-card {
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-dark);
    transition: box-shadow var(--ease);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-width: 0;
}
.news-card:hover { box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08); }
.news-card > a:first-child { flex-shrink: 0; }
.news-card img {
    width: 100%;
    height: 118px;
    object-fit: cover;
}
.news-body { padding: 0.9rem; flex: 1; min-width: 0; }
.news-meta {
    font-size: 0.72rem;
    color: var(--text-muted-dark);
    margin-bottom: 0.4rem;
}
.news-body h3 {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}
.news-body h3 a { color: var(--text-dark); }
.news-body h3 a:hover { color: var(--primary); }

/* —— CTA —— */
.cta-band {
    padding: 2.5rem 0;
    background: linear-gradient(135deg, #070b12 0%, #142030 50%, #0a1a18 100%);
    text-align: center;
    color: var(--text);
}
.cta-band h2 {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
}
.cta-band p {
    font-size: 0.92rem;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 1.5rem;
}
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }

/* —— 页脚 —— */
.site-footer {
    background: var(--bg);
    color: var(--text-muted);
    padding: 2.5rem 0 1.15rem;
    border-top: 1px solid var(--border);
}
.footer-cols {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}
.footer-logo img { height: 38px; margin-bottom: 0.85rem; }
.footer-logo p { font-size: 0.86rem; line-height: 1.65; max-width: 280px; }
.footer-col h4 {
    font-size: 0.88rem;
    color: var(--text);
    margin-bottom: 0.85rem;
    font-weight: 700;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.45rem; }
.footer-col a { font-size: 0.84rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--primary); }
.friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
}
.friend-links a { font-size: 0.82rem; color: var(--text-muted); }
.footer-end {
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
    text-align: center;
    font-size: 0.8rem;
}
.footer-end p { margin-bottom: 0.3rem; }
.footer-end a { color: var(--text-muted); }

/* —— 内页 / 列表页 —— */
.page-hero {
    background: var(--bg);
    color: var(--text);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border);
}
.page-hero h1 {
    font-size: clamp(1.25rem, 3vw, 1.65rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
}
.page-hero .desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 640px;
}
.page-body {
    padding: 2rem 0 3.5rem;
    background: var(--bg-soft);
}
.page-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 1.5rem;
    align-items: start;
}
.page-grid > * { min-width: 0; }
.panel {
    background: #fff;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius);
    padding: var(--card-pad) 1.25rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}
.panel-dark-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-dim);
}
.panel ul { list-style: none; }
.panel ul li { margin-bottom: 0.45rem; }
.panel ul a {
    font-size: 0.88rem;
    color: var(--text-muted-dark);
}
.panel ul a:hover { color: var(--primary); }
.panel + .panel { margin-top: 1rem; }

.list-row {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 1rem;
    padding-bottom: 1.15rem;
    margin-bottom: 1.15rem;
    border-bottom: 1px solid var(--border-dark);
}
.list-row:last-child { border: none; margin: 0; padding: 0; }
.list-row img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}
.list-row .meta { font-size: 0.78rem; color: var(--text-muted-dark); margin-bottom: 0.3rem; }
.list-row h2 { font-size: 1rem; margin-bottom: 0.3rem; }
.list-row h2 a { color: var(--text-dark); font-weight: 600; }
.list-row h2 a:hover { color: var(--primary); }
.list-row p { font-size: 0.86rem; color: var(--text-muted-dark); }

.side-item {
    display: flex;
    gap: 0.7rem;
    margin-bottom: 0.8rem;
}
.side-item img {
    width: 68px;
    height: 52px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}
.side-item a {
    font-size: 0.84rem;
    color: var(--text-dark);
    line-height: 1.4;
    word-break: break-word;
}
.side-item a:hover { color: var(--primary); }

.article-panel h1 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}
.article-info {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    font-size: 0.82rem;
    color: var(--text-muted-dark);
    margin-bottom: 1.25rem;
}
.article-cover {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}
.article-content { line-height: 1.8; font-size: 0.95rem; color: var(--text-dark); }
.article-content img,
.article-content table,
.article-content iframe { max-width: 100% !important; height: auto !important; }
.tag-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.25rem;
}
.tag-list a {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    background: var(--primary-dim);
    color: #007a68;
    border-radius: 999px;
    font-size: 0.8rem;
}
.rel-row {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0.85rem;
    margin-bottom: 1rem;
}
.rel-row img {
    width: 100%;
    height: 68px;
    object-fit: cover;
    border-radius: 8px;
}
.rel-row a.title { font-weight: 600; color: var(--text-dark); font-size: 0.9rem; }
.rel-row p { font-size: 0.82rem; color: var(--text-muted-dark); margin-top: 0.25rem; }
.nav-pn {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.88rem;
}
.pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    margin-top: 1.25rem;
    padding: 0;
}
.pagelist a,
.pagelist span {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    font-size: 0.85rem;
    color: var(--text-dark);
}
.pagelist a:hover {
    background: var(--primary);
    color: #070b12;
    border-color: var(--primary);
}

/* —— 响应式 —— */
@media (max-width: 991px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        max-width: none;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-elevated);
        padding: 0.75rem;
        border-bottom: 1px solid var(--border);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: max-height 0.35s ease, opacity 0.25s;
        z-index: 1001;
    }
    .nav-menu.is-open {
        max-height: 75vh;
        overflow-y: auto;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
    .nav-menu a {
        padding: 0.85rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        white-space: normal;
    }
    .nav-menu.is-open {
        -webkit-overflow-scrolling: touch;
    }
    .nav-brand img { height: 34px; }

    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 1.5rem; }
    .hero-eyebrow { justify-content: center; margin-left: auto; margin-right: auto; }
    .hero-lead { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-chips { justify-content: center; }
    .hero-visual { order: -1; }
    .hero-visual img { max-width: 200px; }
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta .btn { width: 100%; }

    .story-grid { grid-template-columns: 1fr; }
    .bento-item.span-4,
    .bento-item.span-6,
    .bento-item.span-8 { grid-column: span 12; }
    .metrics-row { grid-template-columns: repeat(2, 1fr); }
    .download-wrap { grid-template-columns: 1fr; }
    .dl-card .btn { width: 100%; align-self: stretch; }
    .flow-track { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .flow-track::before { display: none; }
    .shield-grid { grid-template-columns: 1fr; }
    .badge-row { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .news-card { flex-direction: row; height: auto; }
    .news-card > a:first-child { width: 100px; flex-shrink: 0; }
    .news-card img { width: 100px; height: 78px; }
    .news-body { padding: 0.75rem 0.85rem; justify-content: center; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .page-grid { grid-template-columns: 1fr; }
    .story-content { text-align: center; }
    .story-content .section-tag { display: block; }
    .news-top { flex-direction: column; align-items: stretch; text-align: center; }
    .news-top .btn { align-self: center; }
}

@media (max-width: 767px) {
    :root {
        --nav-h: 56px;
        --section-y: 2.25rem;
        --card-pad: 1rem;
    }
    html { font-size: 15px; }
    .container { padding: 0 1rem; }
    .section { padding: var(--section-y) 0; }
    .section-head { margin-bottom: 1.5rem; }
    .section-head h2 { font-size: 1.35rem; }
    .section-head p { font-size: 0.9rem; }
    .hero { padding: 1.5rem 0 1.75rem; }
    .hero h1 { font-size: clamp(1.45rem, 5.5vw, 1.85rem); }
    .hero-lead { font-size: 0.9rem; margin-bottom: 1.25rem; }
    .hero-visual img { max-width: 150px; }
    .hero-eyebrow { font-size: 0.7rem; padding: 0.3rem 0.7rem; }
    .hero-chips span { font-size: 0.7rem; padding: 0.25rem 0.55rem; }
    .btn {
        min-height: 44px;
        padding: 0.65rem 1.1rem;
        font-size: 0.88rem;
    }
    .btn:hover { transform: none; }
    .btn-lg { padding: 0.75rem 1.2rem; }
    .story-grid { gap: 1.25rem; }

    .trust-strip { padding: 0.7rem 0; }
    .trust-strip-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem 0.75rem;
        justify-items: center;
    }
    .trust-item { font-size: 0.78rem; text-align: center; flex-direction: column; gap: 0.2rem; }

    .bento-item.span-4,
    .bento-item.span-6,
    .bento-item.span-8 { grid-column: span 12; }
    .bento-grid,
    .metrics-row,
    .shield-grid,
    .badge-row,
    .download-wrap,
    .flow-track,
    .news-grid { gap: 0.7rem; }

    .bento-item { padding: 1rem; }
    .bento-icon { width: 40px; height: 40px; margin-bottom: 0.75rem; }

    .flow-track { grid-template-columns: 1fr; }
    .flow-step { padding: 0; }
    .badge-row { grid-template-columns: 1fr; }
    .metric-card { padding: 1rem 0.5rem; }
    .metric-value { font-size: 1.4rem; }
    .metric-label { font-size: 0.78rem; }

    .dl-card { padding: 1rem; }
    .dl-top { gap: 0.75rem; }
    .dl-icon { width: 46px; height: 46px; font-size: 1.25rem; }
    .dl-tip { font-size: 0.8rem; padding: 0.8rem; margin-top: 1rem; }

    .shield-card { flex-direction: row; padding: 1rem; gap: 0.85rem; }
    .shield-icon { width: 42px; height: 42px; font-size: 1.1rem; }

    .faq-block { padding: 1rem; }
    .faq-block h3 { font-size: 0.9rem; }
    .faq-block p { font-size: 0.84rem; }

    .news-grid { grid-template-columns: 1fr; }
    .news-card { flex-direction: row; height: auto; }
    .news-card > a:first-child { width: 92px; }
    .news-card img { width: 92px; height: 72px; }
    .news-body {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 0.65rem 0.75rem;
    }
    .news-body h3 { font-size: 0.86rem; -webkit-line-clamp: 3; }

    .cta-band { padding: 1.75rem 0; }
    .cta-band h2 { font-size: 1.25rem; }
    .cta-band p { font-size: 0.86rem; margin-bottom: 1.25rem; }
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 300px;
        margin: 0 auto;
    }
    .cta-actions .btn { width: 100%; }

    .footer-cols { grid-template-columns: 1fr; text-align: center; gap: 1.25rem; }
    .footer-logo p { margin: 0 auto; max-width: 100%; }
    .footer-col ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1rem; }
    .footer-col li { margin: 0; }
    .friend-links { justify-content: center; }
    .site-footer { padding: 2rem 0 1rem; }
    .footer-end { font-size: 0.75rem; line-height: 1.75; word-break: break-word; }

    /* 列表页 / 内页 */
    .page-hero { padding: 1.25rem 0; }
    .page-hero h1 { font-size: 1.2rem; }
    .page-hero .desc { font-size: 0.85rem; }
    .page-body { padding: 1.25rem 0 2.5rem; }
    .panel { padding: 1rem; }
    .panel + .panel { margin-top: 0.85rem; }

    .list-row { grid-template-columns: 84px minmax(0, 1fr); gap: 0.65rem; padding-bottom: 1rem; margin-bottom: 1rem; }
    .list-row img { height: 64px; }
    .list-row h2 { font-size: 0.92rem; line-height: 1.35; }
    .list-row p {
        font-size: 0.82rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .side-item { align-items: flex-start; }
    .side-item img { width: 64px; height: 48px; }
    .side-item a { font-size: 0.82rem; }

    .article-panel h1 { font-size: 1.15rem; }
    .article-info { flex-direction: column; gap: 0.25rem; font-size: 0.78rem; }
    .article-cover { max-height: 190px; margin-bottom: 1rem; }
    .article-content { font-size: 0.92rem; overflow-wrap: anywhere; }
    .rel-row { grid-template-columns: 80px minmax(0, 1fr); }
    .rel-row img { height: 60px; }
    .nav-pn { flex-direction: column; gap: 0.5rem; }
    .pagelist { justify-content: center; margin-top: 1rem; }
    .pagelist a,
    .pagelist span { padding: 0.4rem 0.65rem; font-size: 0.8rem; }
}

@media (max-width: 380px) {
    .hero-cta { max-width: 100%; }
    .trust-strip-inner { grid-template-columns: 1fr; }
    .metrics-row { gap: 0.5rem; }
    .metric-value { font-size: 1.25rem; }
    .hero-chips { justify-content: center; }
    .dl-top { flex-wrap: wrap; }
    .news-card > a:first-child { width: 80px; }
    .news-card img { width: 80px; height: 64px; }
}

@media (min-width: 992px) and (max-width: 1100px) {
    .flow-track { grid-template-columns: repeat(2, 1fr); }
    .flow-track::before { display: none; }
}

@media (min-width: 1200px) {
    .news-grid { grid-template-columns: repeat(4, 1fr); }
}

/* 平板竖屏：Bento 双列，避免与手机规则冲突 */
@media (min-width: 768px) and (max-width: 991px) {
    .bento-item.span-4,
    .bento-item.span-6 { grid-column: span 6; }
    .bento-item.span-8 { grid-column: span 12; }
}

@supports (padding: max(0px)) {
    .container {
        padding-left: max(1rem, env(safe-area-inset-left));
        padding-right: max(1rem, env(safe-area-inset-right));
    }
    .site-nav { padding-top: env(safe-area-inset-top); }
    .site-footer { padding-bottom: max(1rem, env(safe-area-inset-bottom)); }
}