/* ============================================================
   S22 官网样式（独立于后台 app.css）
   主色 #1e5a8c（深蓝），与后台主题统一。
   ============================================================ */
:root {
    --brand: #1e5a8c;
    --brand-deep: #144570;
    --brand-soft: #e8f1fa;
    --ink: #1a2938;
    --ink-2: #4a3436;
    --muted: #6e6263;
    --bg: #ffffff;
    --soft: #faf5f4;
    --line: #f0e2e0;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(60, 12, 14, .08);
    --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.site-page {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    font-size: 16px;
}
a { color: inherit; text-decoration: none; }
svg { display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.site-header-in {
    max-width: var(--max); margin: 0 auto; padding: 0 24px;
    height: 64px; display: flex; align-items: center; gap: 20px;
    position: relative;
}
.site-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; color: var(--ink); }
.site-logo-mark {
    width: 34px; height: 34px; border-radius: 10px;
    background: var(--brand); color: #fff;
    display: grid; place-items: center;
    font-size: 17px; font-weight: 800;
}
.site-logo-text em { font-style: normal; color: var(--brand); margin-left: 6px; font-size: 14px; font-weight: 600; }
.site-nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.site-nav a { padding: 8px 14px; border-radius: 999px; font-size: 15px; color: var(--ink-2); transition: background .15s, color .15s; }
.site-nav a:hover { background: var(--soft); }
.site-nav a.active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }
.site-nav .site-login { margin-left: 10px; background: var(--brand); color: #fff; font-weight: 600; }
.site-nav .site-login:hover { background: var(--brand-deep); }
.site-burger {
    display: none; margin-left: auto;
    width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px;
    background: #fff; padding: 10px 9px; cursor: pointer;
    flex-direction: column; justify-content: space-between;
}
.site-burger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(140deg, #2b0a0c 0%, #7a0e12 58%, #e1251b 135%); color: #fff; overflow: hidden; }
.hero-in {
    max-width: var(--max); margin: 0 auto; padding: 76px 24px 60px;
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
}
.hero-kicker {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; letter-spacing: .08em; color: #ffc4bd;
    border: 1px solid rgba(255, 196, 189, .4); border-radius: 999px;
    padding: 6px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: 44px; line-height: 1.25; margin: 0 0 18px; font-weight: 800; letter-spacing: .01em; }
.hero h1 b { color: #ffd161; }
.hero .lead { font-size: 18px; color: rgba(255, 255, 255, .82); margin: 0 0 30px; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-cta.center { justify-content: center; }
.btn-hero {
    display: inline-block; padding: 13px 30px; border-radius: 12px;
    font-size: 16px; font-weight: 700; transition: transform .15s, background .15s, border-color .15s;
}
.btn-hero:active { transform: scale(.97); }
.btn-hero.solid { background: #ffd161; color: #5a0c06; }
.btn-hero.solid:hover { background: #ffdf8a; }
.btn-hero.line, .btn-hero.ghost { border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-hero.line:hover, .btn-hero.ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
.hero-stats {
    margin-top: 40px; display: grid; grid-template-columns: repeat(4, auto);
    gap: 12px 36px; justify-content: start;
}
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats b { font-size: 26px; color: #ffd161; line-height: 1.2; }
.hero-stats span { font-size: 13px; color: rgba(255, 255, 255, .72); }
.hero-art { filter: drop-shadow(0 24px 48px rgba(30, 4, 6, .35)); }

/* ---------- 通用区块 ---------- */
.sec { padding: 84px 0; }
.sec.soft { background: var(--soft); }
.sec-head { max-width: 660px; margin: 0 auto 48px; text-align: center; }
.sec-head h2 { font-size: 32px; margin: 0 0 12px; letter-spacing: .01em; }
.sec-head p { color: var(--muted); margin: 0; }
.sec-eyebrow {
    color: var(--brand); font-weight: 700; letter-spacing: .14em;
    font-size: 13px; display: block; margin-bottom: 10px;
}
.page-hero { background: linear-gradient(140deg, #2b0a0c 0%, #8f1013 70%, #e1251b 140%); color: #fff; padding: 72px 0 64px; }
.page-hero h1 { font-size: 38px; margin: 0 0 14px; font-weight: 800; }
.page-hero p { color: rgba(255, 255, 255, .82); max-width: 640px; margin: 0; font-size: 17px; }
.page-hero .sec-eyebrow { color: #ffc4bd; }

/* ---------- 网格与卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.mod-card {
    display: block; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 26px; background: #fff; transition: transform .18s, box-shadow .18s, border-color .18s;
}
.mod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #f0c9c5; }
.mod-ico {
    width: 46px; height: 46px; border-radius: 12px;
    background: var(--brand-soft); color: var(--brand);
    display: grid; place-items: center; margin-bottom: 16px;
}
.mod-card h3 { margin: 0 0 8px; font-size: 18px; }
.mod-card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.why-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; }
.why-card h3 { margin: 0 0 10px; font-size: 19px; }
.why-card p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- 流程条 ---------- */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); }
.flow-step { text-align: center; padding: 0 12px; position: relative; }
.flow-dot {
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--brand-soft); color: var(--brand);
    display: grid; place-items: center; margin: 0 auto 14px;
    font-weight: 800; font-size: 18px;
    border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line);
    position: relative; z-index: 1;
}
.flow-step:not(:last-child)::after {
    content: ""; position: absolute; top: 26px;
    left: calc(50% + 36px); right: calc(-50% + 36px);
    height: 2px; background: #eed4d1;
}
.flow-step h3 { font-size: 16.5px; margin: 0 0 6px; }
.flow-step p { margin: 0; font-size: 13.5px; color: var(--muted); }

/* ---------- 门店卡片 ---------- */
.stores-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.store-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.store-card h3 { margin: 0 0 10px; font-size: 18px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.store-line { margin: 0 0 4px; font-size: 14px; color: var(--muted); }
.store-none { font-size: 13.5px; color: var(--muted); }
.badge { display: inline-block; font-size: 12px; font-weight: 600; border-radius: 999px; padding: 2px 10px; }
.badge.ok { background: var(--brand-soft); color: var(--brand); }
.badge.busy { background: #fdf0e3; color: #b45309; }
.entry-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.ebtn {
    display: inline-block; padding: 9px 18px; border-radius: 10px;
    font-size: 14px; font-weight: 600; background: var(--brand); color: #fff;
    transition: background .15s, transform .15s;
}
.ebtn:hover { background: var(--brand-deep); }
.ebtn:active { transform: scale(.97); }
.ebtn.ghost { background: var(--brand-soft); color: var(--brand); }
.ebtn.ghost:hover { background: #fbdfdc; }
.ebtn.solid { background: var(--brand); color: #fff; }
.stores-empty { text-align: center; color: var(--muted); padding: 40px 0; }
.stores-more { text-align: center; margin: 32px 0 0; }

/* ---------- CTA 大条 ---------- */
.cta-band {
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    color: #fff; border-radius: 24px; padding: 56px 40px; text-align: center;
}
.cta-band h2 { font-size: 28px; margin: 0 0 10px; }
.cta-band p { color: rgba(255, 255, 255, .85); margin: 0 0 26px; }
.cta-band .btn-hero.solid { background: #fff; color: var(--brand-deep); }
.cta-band .btn-hero.solid:hover { background: #fdecea; }
.cta-band .btn-hero.ghost { border-color: rgba(255, 255, 255, .55); }

/* ---------- 产品页 ---------- */
.feat-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
    align-items: center; scroll-margin-top: 80px;
}
.feat-row.rev .feat-copy { order: 2; }
.feat-row.rev .feat-art { order: 1; }
.feat-copy h2 { font-size: 28px; margin: 0 0 8px; }
.feat-slogan { color: var(--brand); font-weight: 600; margin: 0 0 14px; font-size: 16.5px; }
.feat-desc { color: var(--ink-2); margin: 0 0 18px; font-size: 15.5px; }
.feat-list { list-style: none; margin: 0 0 16px; padding: 0; }
.feat-list li { position: relative; padding: 6px 0 6px 28px; font-size: 15px; color: var(--ink-2); }
.feat-list li::before {
    content: ""; position: absolute; left: 4px; top: 13px;
    width: 7px; height: 12px; border: solid var(--brand); border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg); border-radius: 1px;
}
.feat-scene { margin: 0; font-size: 13.5px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 12px; }
.feat-art { filter: drop-shadow(0 16px 32px rgba(60, 12, 14, .10)); }

/* ---------- 定价页 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
    position: relative; border: 1px solid var(--line); border-radius: 20px;
    padding: 32px 28px; background: #fff; display: flex; flex-direction: column;
}
.price-card.featured { border: 2px solid var(--brand); box-shadow: var(--shadow); }
.price-tag {
    position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
    background: var(--brand); color: #fff; font-size: 12.5px; font-weight: 700;
    border-radius: 999px; padding: 4px 16px; letter-spacing: .06em;
}
.price-card h3 { margin: 0 0 10px; font-size: 19px; }
.price-num { font-size: 34px; font-weight: 800; margin: 0; color: var(--ink); }
.price-unit { color: var(--muted); font-size: 13.5px; margin: 2px 0 10px; }
.price-desc { color: var(--ink-2); font-size: 14.5px; margin: 0 0 18px; padding-bottom: 18px; border-bottom: 1px dashed var(--line); }
.price-cta { text-align: center; margin-top: auto; }
.price-note { margin-top: 72px; }
.price-note h2 { font-size: 24px; margin: 0 0 18px; text-align: center; }

/* ---------- 帮助中心 ---------- */
.help-block { max-width: 780px; margin: 0 auto 40px; }
.help-block h2 { font-size: 22px; margin: 0 0 6px; }
.faq-group { border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary {
    cursor: pointer; padding: 16px 32px 16px 0; font-weight: 600; font-size: 15.5px;
    list-style: none; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+"; position: absolute; right: 6px; top: 50%;
    transform: translateY(-50%); font-size: 20px; color: var(--brand); font-weight: 400;
}
.faq[open] summary::after { content: "−"; }
.faq p { margin: 0 0 16px; color: var(--muted); font-size: 14.5px; }
.help-more { text-align: center; padding: 12px 0 0; }
.help-more p { color: var(--muted); margin: 0 0 14px; }
.help-more .ebtn { margin: 0 6px; }

/* ---------- 关于页 ---------- */
.about-story { max-width: 780px; margin: 0 auto 48px; }
.about-story h2 { font-size: 26px; margin: 0 0 16px; }
.about-story p { color: var(--ink-2); font-size: 15.5px; margin: 0 0 14px; }
.about-values { margin-top: 44px; }
.timeline { max-width: 680px; margin: 0 auto; border-left: 2px solid #eed4d1; padding-left: 28px; }
.t-item { position: relative; margin-bottom: 32px; }
.t-item:last-child { margin-bottom: 0; }
.t-item::before {
    content: ""; position: absolute; left: -35px; top: 7px;
    width: 12px; height: 12px; border-radius: 50%;
    background: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft);
}
.t-item h3 { margin: 0 0 6px; font-size: 17px; }
.t-item p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #26070a; color: #c7a3a5; margin-top: 84px; }
.site-footer-in {
    max-width: var(--max); margin: 0 auto; padding: 56px 24px 36px;
    display: grid; grid-template-columns: 1.1fr 2fr; gap: 48px;
}
.site-footer-brand p { font-size: 14px; margin: 14px 0 0; max-width: 300px; }
.site-footer .site-logo { color: #fff; }
.f-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.f-cols h4 { color: #fff; font-size: 15px; margin: 4px 0 14px; }
.f-cols a { display: block; padding: 4px 0; font-size: 14px; color: #c7a3a5; transition: color .15s; }
.f-cols a:hover { color: #fff; }
.f-note { font-size: 13px; line-height: 1.7; margin: 4px 0 0; }
.site-copyright {
    border-top: 1px solid rgba(255, 255, 255, .08);
    text-align: center; padding: 18px 24px; font-size: 13px; color: #97797b; margin: 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
    .grid-3, .stores-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-in { grid-template-columns: 1fr; padding: 56px 24px 48px; }
    .hero-art { max-width: 520px; margin: 8px auto 0; }
    .hero h1 { font-size: 36px; }
    .flow { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
    .flow-step:not(:last-child)::after { display: none; }
    .feat-row, .feat-row.rev { grid-template-columns: 1fr; gap: 28px; }
    .feat-row.rev .feat-copy { order: 1; }
    .feat-row.rev .feat-art { order: 2; }
    .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
    .site-burger { display: flex; }
    .site-nav {
        display: none; position: absolute; top: 64px; left: -24px; right: -24px;
        background: #fff; border-bottom: 1px solid var(--line);
        flex-direction: column; align-items: stretch; padding: 12px 24px 16px;
        box-shadow: 0 18px 30px rgba(60, 12, 14, .10);
    }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 12px 14px; border-radius: 12px; }
    .site-footer-in { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    .grid-3, .grid-2, .stores-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 30px; }
    .hero .lead { font-size: 16px; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
    .sec { padding: 60px 0; }
    .page-hero h1 { font-size: 30px; }
    .sec-head h2 { font-size: 26px; }
    .flow { grid-template-columns: 1fr; }
    .cta-band { padding: 40px 22px; }
    .f-cols { grid-template-columns: 1fr 1fr; }
}

/* ===== S34 行业分类卡片 ===== */
.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.industry-card {
    background: #fff;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 2px 14px rgba(30, 90, 140, .08);
    border: 1px solid #eef4f9;
    transition: transform .2s, box-shadow .2s;
}
.industry-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(30, 90, 140, .14);
}
.industry-head {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid #eef4f9;
}
.industry-icon {
    font-size: 32px;
    line-height: 1;
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: var(--brand-soft);
    border-radius: 12px;
    flex-shrink: 0;
}
.industry-title h3 {
    font-size: 18px;
    margin: 0 0 2px;
    color: var(--ink);
}
.industry-title p {
    font-size: 13px;
    color: var(--muted);
    margin: 0;
}
.industry-subs {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.industry-subs li {
    font-size: 14px;
    color: #44525f;
    padding: 7px 12px;
    background: #f5f8fb;
    border-radius: 8px;
    border-left: 3px solid var(--brand);
}
@media (max-width: 880px) {
    .industry-grid { grid-template-columns: 1fr; }
}

/* ===== S34 industries 独立页 ===== */
.industries-hero {
    background: linear-gradient(135deg, #1e5a8c 0%, #144570 60%, #0f3a5e 100%);
}
.industry-card-big {
    padding: 28px;
}
.industry-card-big .industry-head {
    padding-bottom: 18px;
    margin-bottom: 18px;
}
.industry-card-big .industry-subs li {
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.sub-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--ink);
}
.sub-mods {
    font-size: 12.5px;
    color: #5a6a7a;
}
.coming-soon {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed #dce7f0;
}
.coming-header {
    font-size: 13px;
    font-weight: 600;
    color: #8a9bae;
    margin-bottom: 10px;
}
.coming-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.coming-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 8px 12px;
    background: #fafbfd;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
}
.coming-phase {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--brand);
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: .5px;
    height: fit-content;
}
.coming-name {
    flex-shrink: 0;
    font-weight: 600;
    color: var(--ink);
    min-width: 72px;
}
.coming-desc {
    color: #6a7a8a;
    flex: 1;
}

/* 功能适配矩阵 */
.matrix-wrap {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid #e8eff4;
    box-shadow: 0 2px 10px rgba(30,90,140,.05);
    background: #fff;
}
.matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.matrix thead th {
    background: var(--brand-soft);
    color: var(--brand-deep);
    font-weight: 600;
    padding: 14px 18px;
    text-align: center;
    border-bottom: 2px solid var(--brand);
    white-space: nowrap;
}
.matrix tbody td {
    padding: 12px 18px;
    text-align: center;
    border-bottom: 1px solid #eef4f9;
    color: #44525f;
}
.matrix tbody tr:last-child td {
    border-bottom: none;
}
.matrix tbody tr:hover {
    background: #f7fafd;
}
.matrix td.matrix-feature {
    text-align: left;
    font-weight: 500;
    color: var(--ink);
    background: #fafbfd;
    white-space: nowrap;
}
.matrix td:first-child {
    text-align: left;
}

/* 实施路线 */
.roadmap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.roadmap-card {
    background: #fff;
    border-radius: 14px;
    padding: 24px;
    border: 1px solid #eef4f9;
    box-shadow: 0 2px 12px rgba(30,90,140,.06);
    position: relative;
    transition: transform .2s, box-shadow .2s;
}
.roadmap-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(30,90,140,.12);
}
.roadmap-phase {
    display: inline-block;
    font-size: 12px;
    background: var(--brand);
    color: #fff;
    padding: 3px 12px;
    border-radius: 12px;
    margin-bottom: 12px;
    letter-spacing: .5px;
    font-weight: 500;
}
.roadmap-card h3 {
    font-size: 17px;
    margin: 0 0 10px;
    color: var(--ink);
}
.roadmap-card p {
    font-size: 13.5px;
    color: #5a6a7a;
    margin: 0;
    line-height: 1.6;
}
@media (max-width: 880px) {
    .roadmap { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
    .roadmap { grid-template-columns: 1fr; }
}