/* ==========================================================
   迅果官网 · 全站通用样式（与首页设计语言保持一致）
   ========================================================== */
:root {
    --primary: #4f46e5;
    --primary-light: #7c3aed;
    --gradient: linear-gradient(135deg, #4f46e5, #7c3aed);
    --dark-bg: #171a2e;
    --text-main: #171a2e;
    --text-sub: #6b7280;
    --line: #e5e7f2;
    --bg: #f7f8fc;
    --radius: 16px;
    --shadow: 0 8px 30px rgba(15, 23, 42, .06);
    --shadow-hover: 0 16px 44px rgba(79, 70, 229, .14);
    --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    background: var(--bg);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; }

.container { width: 90%; max-width: 1200px; margin: 0 auto; }

/* ---------------- 导航 ---------------- */
nav {
    position: fixed; top: 0; left: 0; width: 100%; height: var(--nav-h);
    background: rgba(255, 255, 255, .85);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 12px rgba(0, 0, 0, .06);
    z-index: 100;
}
.nav-container {
    width: 90%; max-width: 1200px; margin: 0 auto; height: 100%;
    display: flex; justify-content: space-between; align-items: center;
}
.logo {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 1.3rem; font-weight: 800; letter-spacing: .5px;
    text-decoration: none;
}
.logo img { width: 28px; height: 28px; border-radius: 50%; display: block; }
.logo span {
    background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-sub); font-weight: 500; font-size: .95rem; transition: color .2s; }
.nav-links a:hover { color: var(--primary); }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.highlight { color: var(--primary); font-weight: 600; }

.nav-toggle {
    display: none; width: 40px; height: 40px; border: 0; background: transparent;
    cursor: pointer; padding: 8px;
}
.nav-toggle span { display: block; height: 2px; background: var(--text-main); border-radius: 2px; margin: 5px 0; transition: .25s; }

/* ---------------- 页面头部 ---------------- */
.page-hero {
    position: relative; overflow: hidden;
    background: #fff;
    padding: calc(var(--nav-h) + 72px) 0 72px;
    border-bottom: 1px solid var(--line);
}
.page-hero::after {
    content: ''; position: absolute; top: -220px; right: -180px;
    width: 620px; height: 620px; border-radius: 50%;
    background: radial-gradient(circle, rgba(79, 70, 229, .14) 0%, transparent 70%);
    z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }
.crumb { font-size: .85rem; color: var(--text-sub); margin-bottom: 18px; }
.crumb a:hover { color: var(--primary); }
.crumb span { margin: 0 8px; opacity: .6; }
.page-hero h1 {
    font-size: clamp(2rem, 4.4vw, 3.2rem); font-weight: 800; line-height: 1.2; margin-bottom: 18px;
}
.page-hero h1 em {
    font-style: normal;
    background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.page-hero p.lead { font-size: 1.08rem; color: var(--text-sub); max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 30px; border-radius: 50px; border: 1.5px solid transparent;
    font-weight: 600; font-size: .95rem; cursor: pointer;
    transition: all .35s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 8px 30px rgba(79, 70, 229, .3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(79, 70, 229, .45); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary-light); }
.btn-outline:hover { background: rgba(79, 70, 229, .07); transform: translateY(-2px); }
.btn-dark { background: var(--dark-bg); color: #fff; }
.btn-dark:hover { transform: translateY(-3px); box-shadow: 0 12px 34px rgba(15, 23, 42, .25); }
.btn-sm { padding: 10px 20px; font-size: .87rem; }
.btn-block { width: 100%; }

/* ---------------- 区块 ---------------- */
section { padding: 88px 0; }
section.alt { background: #fff; }
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--text-sub); margin-bottom: 56px; }
.section-head { text-align: left; margin-bottom: 40px; }
.section-head h2 { font-size: 1.7rem; font-weight: 700; margin-bottom: 8px; }
.section-head p { color: var(--text-sub); }

/* ---------------- 卡片 ---------------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 32px 28px; box-shadow: var(--shadow);
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(79, 70, 229, .35); }
.card h3 { font-size: 1.08rem; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: .92rem; color: var(--text-sub); }

.ic {
    width: 52px; height: 52px; border-radius: 14px; margin-bottom: 18px;
    background: var(--gradient); color: #fff;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 8px 20px rgba(79, 70, 229, .28);
}
.ic svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ic.soft { background: rgba(79, 70, 229, .1); color: var(--primary); box-shadow: none; }

/* ---------------- 标签页 ---------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.tab {
    padding: 11px 26px; border-radius: 50px; border: 1px solid var(--line);
    background: #fff; color: var(--text-sub); font-size: .93rem; font-weight: 600; cursor: pointer;
    transition: all .25s ease;
}
.tab:hover { color: var(--primary); border-color: var(--primary-light); }
.tab.active { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(79, 70, 229, .28); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .4s ease; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------------- 手风琴 ---------------- */
.faq { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; box-shadow: var(--shadow); }
.faq summary {
    list-style: none; cursor: pointer; padding: 20px 56px 20px 24px;
    font-weight: 600; font-size: 1rem; position: relative; color: var(--text-main);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: '+'; position: absolute; right: 24px; top: 50%; transform: translateY(-50%);
    font-size: 1.4rem; font-weight: 300; color: var(--primary); transition: transform .25s;
}
.faq[open] summary::after { content: '−'; }
.faq .faq-body { padding: 0 56px 24px 24px; color: var(--text-sub); font-size: .93rem; }
.faq .faq-body p { margin-bottom: 10px; }
.faq .faq-body p:last-child { margin-bottom: 0; }
.faq .faq-body ol { padding-left: 18px; }
.faq .faq-body ol li { list-style: decimal; margin-bottom: 6px; }
.faq .faq-body a { color: var(--primary); font-weight: 600; }
.faq .faq-body a:hover { text-decoration: underline; }

/* ---------------- 表格 ---------------- */
.table-wrap { overflow-x: auto; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; min-width: 620px; font-size: .93rem; }
thead th {
    background: var(--dark-bg); color: #fff; font-weight: 600;
    padding: 16px 18px; text-align: left; white-space: nowrap;
}
tbody td { padding: 14px 18px; border-top: 1px solid var(--line); color: #475569; }
tbody tr:nth-child(even) td { background: #fafcff; }
tbody td:first-child { font-weight: 600; color: var(--text-main); }
.yes { color: #16a34a; font-weight: 700; }
.no { color: #cbd5e1; }

/* ---------------- 提示条 ---------------- */
.notice {
    display: flex; gap: 14px; align-items: flex-start;
    border-radius: 14px; padding: 18px 22px; font-size: .93rem; margin-bottom: 18px;
    border: 1px solid transparent;
}
.notice svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 2px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.notice strong { display: block; margin-bottom: 2px; }
.notice-info { background: rgba(79, 70, 229, .07); color: #4338ca; border-color: rgba(79, 70, 229, .25); }
.notice-warn { background: rgba(245, 158, 11, .09); color: #b45309; border-color: rgba(245, 158, 11, .28); }
.notice-danger { background: rgba(239, 68, 68, .08); color: #b91c1c; border-color: rgba(239, 68, 68, .25); }
.notice-ok { background: rgba(22, 163, 74, .08); color: #15803d; border-color: rgba(22, 163, 74, .25); }

/* ---------------- 步骤 ---------------- */
.steps { counter-reset: s; }
.step { position: relative; padding-left: 62px; padding-bottom: 30px; }
.step:last-child { padding-bottom: 0; }
.step::before {
    counter-increment: s; content: counter(s);
    position: absolute; left: 0; top: 0;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--gradient); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700;
    box-shadow: 0 6px 18px rgba(79, 70, 229, .3);
}
.step::after {
    content: ''; position: absolute; left: 19px; top: 46px; bottom: 0; width: 2px;
    background: linear-gradient(180deg, rgba(79, 70, 229, .35), rgba(79, 70, 229, .05));
}
.step:last-child::after { display: none; }
.step h4 { font-size: 1.02rem; font-weight: 600; margin-bottom: 4px; }
.step p { font-size: .92rem; color: var(--text-sub); }

/* ---------------- 数据条 ---------------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 20px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px; text-align: center; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 2rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.stat span { font-size: .88rem; color: var(--text-sub); }

/* ---------------- 锚点导航条 ---------------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 48px; }
.chip {
    padding: 9px 20px; border-radius: 50px; font-size: .88rem; font-weight: 600;
    background: #fff; border: 1px solid var(--line); color: var(--text-sub); transition: .25s;
}
.chip:hover { color: var(--primary); border-color: var(--primary-light); transform: translateY(-2px); }

/* ---------------- 特性条目 ---------------- */
.feature-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
    background: #fff; border: 1px solid var(--line); border-radius: 20px;
    padding: 40px; margin-bottom: 28px; box-shadow: var(--shadow);
}
.feature-row.reverse .fr-visual { order: -1; }
.fr-text h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.fr-text > p { color: var(--text-sub); margin-bottom: 20px; font-size: .95rem; }
.fr-list li { position: relative; padding-left: 26px; margin-bottom: 10px; font-size: .93rem; color: #475569; }
.fr-list li::before {
    content: ''; position: absolute; left: 0; top: 10px; width: 12px; height: 12px; border-radius: 50%;
    background: var(--gradient);
}
.fr-visual {
    border-radius: 16px; padding: 26px; min-height: 220px;
    background: linear-gradient(135deg, rgba(79, 70, 229, .08), rgba(124, 58, 237, .05));
    border: 1px solid rgba(79, 70, 229, .18);
}
.mock { background: #fff; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; box-shadow: 0 6px 20px rgba(15, 23, 42, .06); }
.mock-bar { display: flex; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: #f7f8fc; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #e5e7f2; display: block; }
.mock-bar i:first-child { background: #ff5f57; }
.mock-bar i:nth-child(2) { background: #febc2e; }
.mock-bar i:nth-child(3) { background: #28c840; }
.mock-body { padding: 18px; font-size: .85rem; color: #475569; }
.mock-row { display: flex; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.mock-row:last-child { border-bottom: 0; }
.mock-row b { color: var(--text-main); }
.pill { font-size: .75rem; padding: 2px 10px; border-radius: 50px; background: rgba(79, 70, 229, .12); color: var(--primary); font-weight: 600; }
.pill.ok { background: rgba(22, 163, 74, .12); color: #15803d; }
.pill.wait { background: rgba(245, 158, 11, .14); color: #b45309; }

/* ---------------- 搜索框 ---------------- */
.search-box { position: relative; max-width: 520px; margin-top: 28px; }
.search-box input {
    width: 100%; padding: 16px 20px 16px 52px; border-radius: 50px;
    border: 1px solid var(--line); background: #fff; font-size: .95rem; color: var(--text-main);
    outline: none; transition: .25s; font-family: inherit;
}
.search-box input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79, 70, 229, .12); }
.search-box svg { position: absolute; left: 20px; top: 50%; transform: translateY(-50%); width: 20px; height: 20px; stroke: var(--text-sub); fill: none; stroke-width: 2; }
.empty-tip { display: none; text-align: center; color: var(--text-sub); padding: 40px 0; }

/* ---------------- CTA ---------------- */
.cta {
    background: var(--gradient); border-radius: 24px; padding: 56px 40px; text-align: center; color: #fff;
    box-shadow: 0 18px 50px rgba(79, 70, 229, .3);
}
.cta h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
.cta p { opacity: .92; margin-bottom: 28px; }
.cta .btn { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0, 0, 0, .12); }
.cta .btn:hover { transform: translateY(-3px); }
.cta .btn.outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }

/* ---------------- 页脚 ---------------- */
footer {
    background: var(--dark-bg); color: rgba(255, 255, 255, .55);
    padding: 56px 20px 32px; font-size: .88rem;
}
footer .foot-inner { width: 90%; max-width: 1200px; margin: 0 auto; }
footer .foot-top { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; padding-bottom: 28px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
footer h5 { color: #fff; font-size: .95rem; margin-bottom: 14px; font-weight: 600; }
footer li { margin-bottom: 8px; }
footer a { color: rgba(255, 255, 255, .55); transition: color .2s; }
footer a:hover { color: var(--primary-light); }
footer .foot-bottom { padding-top: 22px; }
footer .foot-bottom-inner {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px 28px;
}
.foot-copy { font-size: .85rem; color: rgba(255, 255, 255, .5); }
.foot-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.foot-nav a { font-size: .85rem; color: rgba(255, 255, 255, .5); }
.foot-nav a + a::before { content: '·'; margin-right: 14px; color: rgba(255, 255, 255, .22); }
.foot-nav a:hover { color: var(--primary-light); }
.foot-service { font-size: .85rem; color: rgba(255, 255, 255, .45); display: flex; align-items: center; gap: 8px; }
.foot-service::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary-light); flex-shrink: 0; }
.foot-service a { color: var(--primary-light); font-weight: 600; }
footer .brand { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.15rem; }
footer .brand img { width: 26px; height: 26px; border-radius: 50%; }
footer .brand span { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------------- 滚动出现动画 ---------------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: var(--nav-h); left: 0; width: 100%;
        flex-direction: column; align-items: stretch; gap: 0;
        background: #fff; border-top: 1px solid var(--line);
        box-shadow: 0 12px 30px rgba(15, 23, 42, .1);
        max-height: 0; overflow: hidden; transition: max-height .3s ease;
    }
    .nav-links.open { max-height: 420px; }
    .nav-links a { padding: 14px 5%; border-bottom: 1px solid var(--line); font-size: .95rem; }
    .page-hero { padding: calc(var(--nav-h) + 48px) 0 52px; }
    section { padding: 60px 0; }
    .feature-row { grid-template-columns: 1fr; gap: 28px; padding: 28px; }
    .feature-row.reverse .fr-visual { order: 0; }
    .cta { padding: 40px 24px; }
}
@media (max-width: 560px) {
    .btn { padding: 12px 22px; font-size: .9rem; }
    .section-title { font-size: 1.6rem; }
    .faq summary { padding-right: 48px; }
    .faq .faq-body { padding-right: 24px; }
    .foot-bottom-inner { flex-direction: column; align-items: flex-start; gap: 14px; }
}
/* news feed blocks */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.news-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .cat{position:absolute;left:14px;top:14px;font-size:.74rem;font-weight:700;color:var(--primary);background:rgba(255,255,255,.94);padding:4px 12px;border-radius:50px}
.news-card .body{padding:18px 20px 20px}
.news-card .date{font-size:.78rem;color:var(--text-sub);margin-bottom:4px}
.news-card h3{font-size:1.02rem;line-height:1.5;margin-bottom:6px}
.news-card p{font-size:.87rem;color:var(--text-sub)}