/* assets/css/style.css */
:root {
    --hermes: #C9A227;
    --hermes-dark: #A8841A;
    --hermes-light: #F5E6B8;
    --hermes-bg: #FBF6E7;
    --ink: #2B2B2B;
    --muted: #6B6B6B;
    --line: #EEE9DD;
    --bg: #FAF8F3;
    --white: #FFFFFF;
    --radius: 12px;
    --shadow: 0 6px 24px rgba(43,43,43,.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.75;
    font-size: 15px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- Header ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 900; }
.header-inner { display: flex; align-items: center; gap: 6px; min-height: 72px; }
.logo { font-weight: 800; font-size: 1.45rem; letter-spacing: .5px; color: var(--ink); white-space: nowrap; margin-right: 20px; }
.logo span { color: var(--hermes); }

.main-nav { display: flex; gap: 2px; align-items: center; }
.main-nav > li { position: relative; }
.nav-parent { display: contents; }

.main-nav > li > a,
.main-nav > li > .nav-parent > a {
    display: block;
    padding: 10px 14px;
    font-size: .95rem;
    font-weight: 500;
    border-radius: 8px;
    transition: .2s;
    white-space: nowrap;
}
.main-nav > li > a:hover,
.main-nav > li.active > a,
.main-nav > li > .nav-parent > a:hover,
.main-nav > li.active > .nav-parent > a {
    background: var(--hermes-light);
    color: var(--hermes-dark);
}

.sub-toggle { display: none; }

.sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 200px;
    padding: 8px;
}
.sub-menu a { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 8px; font-size: .9rem; }
.sub-menu a:hover { background: var(--hermes-light); }
.sub-menu i { color: var(--hermes); width: 16px; }

/* 桌面端 hover 展开子菜单（只在 >820px 生效，避免触屏误触发） */
@media (min-width: 821px) {
    .main-nav > li:hover .sub-menu { display: block; }
}

.header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.menu-toggle { display: none; background: transparent; border: 0; font-size: 1.4rem; color: var(--ink); cursor: pointer; padding: 6px 10px; margin-left: auto; }
.mobile-nav-head, .mobile-actions { display: none; }
.mobile-overlay { display: none; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: .9rem; border: 0; cursor: pointer; transition: .2s; white-space: nowrap; }
.btn-primary { background: var(--hermes); color: #fff; }
.btn-primary:hover { background: var(--hermes-dark); }
.btn-outline { background: transparent; border: 1.5px solid var(--hermes); color: var(--hermes-dark); }
.btn-outline:hover { background: var(--hermes-light); }

.contact-strip { background: var(--white); border-bottom: 1px solid #F0EBE0; font-size: .82rem; color: var(--muted); }
.contact-strip .container { display: flex; gap: 22px; padding-top: 6px; padding-bottom: 6px; flex-wrap: wrap; }
.copyable { cursor: pointer; display: inline-flex; align-items: center; gap: 5px; }
.copyable:hover { color: var(--hermes-dark); }

/* ---------- Hero / Section ---------- */
.hero { background: linear-gradient(135deg, #2B2B2B 0%, #3D3A33 60%, #5A4E2E 100%); color: #fff; padding: 80px 0 70px; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.3; margin-bottom: 16px; max-width: 760px; }
.hero p { color: #DDD6C6; max-width: 640px; margin-bottom: 28px; font-size: 1.02rem; }
.hero .accent { color: var(--hermes); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.section { padding: 72px 0; }
.section-alt { background: var(--white); }
.section-title { font-size: 1.7rem; margin-bottom: 10px; letter-spacing: .3px; }
.section-title .accent { color: var(--hermes); }
.section-sub { color: var(--muted); margin-bottom: 40px; max-width: 640px; }
.section-head { margin-bottom: 40px; }
.section-head.center { text-align: center; }
.section-head.center .section-sub { margin-left: auto; margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); transition: .25s; display: block; }
.card:hover { transform: translateY(-3px); border-color: var(--hermes); }
.card .icon { font-size: 1.7rem; color: var(--hermes); margin-bottom: 14px; }
.card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .92rem; }

.why-card { text-align: center; }
.why-card .num { font-size: 2rem; color: var(--hermes); font-weight: 800; margin-bottom: 6px; }

.offices-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.office-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 18px; text-align: center; transition: .2s; }
.office-card:hover { border-color: var(--hermes); transform: translateY(-3px); }
.office-card .flag { font-size: 2rem; margin-bottom: 10px; }
.office-card h4 { font-size: 1rem; margin-bottom: 4px; }
.office-card p { font-size: .82rem; color: var(--muted); line-height: 1.6; }

.intro-block { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.intro-visual { background: linear-gradient(135deg, var(--hermes) 0%, var(--hermes-dark) 100%); border-radius: var(--radius); padding: 40px; color: #fff; box-shadow: var(--shadow); }
.intro-visual .stat-row { display: flex; align-items: baseline; gap: 14px; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.intro-visual .stat-row:last-child { border-bottom: 0; }
.intro-visual .big-num { font-size: 2.2rem; font-weight: 800; line-height: 1; }
.intro-visual .label { font-size: .88rem; opacity: .92; }
.intro-block h2 { font-size: 1.6rem; margin-bottom: 18px; }
.intro-block p { color: var(--muted); margin-bottom: 14px; font-size: .96rem; }

.product-card { position: relative; overflow: hidden; }
.product-card .arrow { position: absolute; top: 24px; right: 24px; color: var(--hermes); opacity: 0; transition: .2s; }
.product-card:hover .arrow { opacity: 1; transform: translateX(4px); }

.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; margin-top: 40px; }
.timeline::before { content: ""; position: absolute; top: 30px; left: 8%; right: 8%; height: 2px; background: var(--hermes-light); z-index: 0; }
.timeline-item { position: relative; text-align: center; padding: 0 12px; z-index: 1; }
.timeline-item .dot { width: 60px; height: 60px; border-radius: 50%; background: var(--white); border: 3px solid var(--hermes); display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-weight: 800; color: var(--hermes); box-shadow: var(--shadow); font-size: .95rem; }
.timeline-item h4 { font-size: 1rem; margin-bottom: 6px; }
.timeline-item p { font-size: .85rem; color: var(--muted); line-height: 1.7; }

.reg-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.reg-table th, .reg-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #F0EBE0; font-size: .9rem; }
.reg-table th { background: var(--hermes-light); font-weight: 700; }
.reg-table tr:last-child td { border-bottom: 0; }

.faq-list { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-q { padding: 18px 22px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: .96rem; }
.faq-q:hover { background: var(--hermes-bg); }
.faq-q .toggle { color: var(--hermes); transition: .2s; }
.faq-item.open .faq-q .toggle { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 22px 20px; color: var(--muted); font-size: .9rem; line-height: 1.85; }
.faq-item.open .faq-a { display: block; }

.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step-card { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 22px 24px; counter-increment: step; transition: .2s; }
.step-card:hover { border-color: var(--hermes); }
.step-card::before { content: counter(step, decimal-leading-zero); position: absolute; top: 14px; right: 20px; font-size: 2rem; font-weight: 800; color: var(--hermes-light); line-height: 1; }
.step-card .step-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--hermes-bg); color: var(--hermes); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; margin-bottom: 14px; }
.step-card h4 { font-size: 1rem; margin-bottom: 6px; }
.step-card p { color: var(--muted); font-size: .86rem; }

.product-hero { background: linear-gradient(135deg, #FFF9E8 0%, var(--hermes-light) 100%); padding: 60px 0; border-bottom: 1px solid var(--line); }
.product-hero h1 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 10px; }
.product-hero p { color: var(--muted); max-width: 640px; }
.breadcrumb { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }
.breadcrumb a:hover { color: var(--hermes-dark); }

.spec-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.spec-table th, .spec-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid #F0EBE0; font-size: .9rem; }
.spec-table th { background: var(--hermes-light); font-weight: 700; }
.spec-table tr:last-child td { border-bottom: 0; }

.news-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.news-list { display: grid; gap: 18px; }
.news-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 26px; transition: .2s; display: block; }
.news-item:hover { border-color: var(--hermes); transform: translateX(4px); }
.news-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.news-meta { font-size: .8rem; color: var(--muted); margin-bottom: 8px; display: flex; gap: 14px; flex-wrap: wrap; }
.news-item p.excerpt { color: var(--muted); font-size: .9rem; }

.hot-panel { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: sticky; top: 88px; }
.hot-panel h3 { font-size: 1.05rem; margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid var(--hermes); display: flex; align-items: center; gap: 8px; }
.hot-panel h3 i { color: var(--hermes); }
.hot-list { display: grid; gap: 4px; }
.hot-item { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: .88rem; transition: .2s; line-height: 1.6; }
.hot-item:last-child { border-bottom: 0; }
.hot-item:hover { color: var(--hermes-dark); }
.hot-item .rank { flex-shrink: 0; width: 22px; height: 22px; border-radius: 6px; background: var(--hermes-bg); color: var(--hermes); display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; margin-top: 2px; }
.hot-item .rank.top { background: var(--hermes); color: #fff; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 14px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--line); background: var(--white); font-size: .88rem; transition: .2s; }
.pagination a:hover { border-color: var(--hermes); color: var(--hermes-dark); }
.pagination .current { background: var(--hermes); color: #fff; border-color: var(--hermes); }

.article-body { background: var(--white); border-radius: var(--radius); padding: 36px; border: 1px solid var(--line); line-height: 1.95; font-size: 1rem; }

.qr-card { text-align: center; padding: 32px 24px; }
.qr-box { width: 180px; height: 180px; margin: 14px auto; border: 2px dashed var(--hermes); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: .85rem; background: #FFFDF7; text-align: center; padding: 10px; }
.qr-box img { width: 100%; height: 100%; object-fit: contain; border-radius: var(--radius); }

.service-team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: .2s; }
.service-card:hover { border-color: var(--hermes); transform: translateY(-3px); }
.service-card .avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--hermes-bg); color: var(--hermes); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin: 0 auto 14px; }
.service-card h4 { font-size: 1rem; margin-bottom: 4px; }
.service-card .role { font-size: .82rem; color: var(--hermes-dark); margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: .86rem; line-height: 1.7; }

/* ---------- Footer ---------- */
.site-footer { background: var(--white); border-top: 1px solid var(--line); padding: 56px 0 24px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-grid h4 { font-size: .95rem; margin-bottom: 16px; color: var(--ink); position: relative; padding-bottom: 10px; }
.footer-grid h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; background: var(--hermes); }
.footer-grid a, .footer-grid p { display: block; color: var(--muted); font-size: .88rem; margin-bottom: 9px; }
.footer-grid a:hover { color: var(--hermes-dark); }
.footer-brand p { line-height: 1.7; }

.footer-bottom { border-top: 1px solid #F0EBE0; margin-top: 36px; padding-top: 20px; font-size: .8rem; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.risk { font-size: .76rem; color: #999; margin-top: 12px; line-height: 1.65; padding: 14px 16px; background: #F7F5EF; border-radius: 8px; }

.mobile-bottom-bar { display: none; }

@media (max-width: 960px) {
    .grid-4, .offices-grid, .steps-grid, .timeline, .service-team { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { display: none; }
    .intro-block { grid-template-columns: 1fr; gap: 32px; }
    .news-layout { grid-template-columns: 1fr; }
    .hot-panel { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 820px) {
    /* header 高于 overlay，保证菜单可点击 */
    .site-header { z-index: 2002; }

    .header-inner { min-height: 60px; }

    .main-nav {
        position: fixed; top: 0; right: -100%; width: 82%; max-width: 340px;
        height: 100vh; height: 100dvh;
        background: var(--white);
        flex-direction: column; align-items: stretch;
        padding: 0; gap: 0; overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transition: right .3s ease; z-index: 2001;
        box-shadow: -8px 0 30px rgba(0,0,0,.1);
    }
    .main-nav.open { right: 0; }
    .main-nav > li { border-bottom: 1px solid var(--line); }

    .main-nav > li > a,
    .main-nav > li > .nav-parent > a {
        padding: 16px 24px;
        border-radius: 0;
        font-size: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .main-nav > li > a:hover,
    .main-nav > li.active > a,
    .main-nav > li > .nav-parent > a:hover,
    .main-nav > li.active > .nav-parent > a { background: var(--hermes-bg); }

    /* 带子菜单的行：文字 + 独立展开箭头 */
    .main-nav > li > .nav-parent { display: flex; align-items: stretch; }
    .main-nav > li > .nav-parent > a { flex: 1; }
    .sub-toggle {
        display: flex; align-items: center; justify-content: center;
        width: 56px; flex-shrink: 0;
        background: transparent; border: 0; border-left: 1px solid var(--line);
        color: var(--ink); font-size: .9rem; cursor: pointer;
    }
    .sub-toggle:hover { background: var(--hermes-bg); }
    .sub-toggle i { transition: transform .2s; }
    .sub-toggle i.rotated { transform: rotate(180deg); }

    /* 子菜单默认收起，点击箭头才展开 */
    .sub-menu {
        display: none;
        position: static;
        border: 0; border-radius: 0; box-shadow: none;
        padding: 0 0 8px; min-width: auto;
        background: var(--hermes-bg);
    }
    .sub-menu.open { display: block; }
    .sub-menu a { padding: 12px 24px 12px 40px; border-radius: 0; }
    .sub-menu a:hover { background: var(--hermes-light); }

    .mobile-nav-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; font-weight: 700; font-size: 1.05rem; color: var(--hermes-dark); background: var(--white); border-bottom: 2px solid var(--hermes) !important; }
    .mobile-nav-head button { background: transparent; border: 0; font-size: 1.3rem; color: var(--ink); cursor: pointer; padding: 4px; }

    .mobile-actions { display: flex; flex-direction: column; gap: 10px; padding: 20px 24px; border-bottom: 0 !important; }
    .main-nav .mobile-actions > a.btn { padding: 10px 18px; font-size: .9rem; display: inline-flex; width: 100%; background: var(--hermes); color: #fff; justify-content: center; }
    .main-nav .mobile-actions > a.btn-outline { background: transparent; color: var(--hermes-dark); border: 1.5px solid var(--hermes); }

    .header-actions { display: none; }
    .menu-toggle { display: block; }

    .mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 2000; }
    .mobile-overlay.open { display: block; }

    .mobile-bottom-bar {
        display: grid; grid-template-columns: 1fr 1fr;
        position: fixed; left: 0; right: 0; bottom: 0; z-index: 1000;
        background: var(--white); border-top: 1px solid var(--line);
        padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
        gap: 10px;
    }
    .mobile-bottom-bar .btn { justify-content: center; width: 100%; }
    body { padding-bottom: 72px; }

    .grid-3, .grid-2, .grid-4, .offices-grid, .steps-grid, .service-team, .footer-grid { grid-template-columns: 1fr; }
    .hero { padding: 56px 0 48px; }
    .section { padding: 48px 0; }
    .article-body { padding: 22px; }
    .section-title { font-size: 1.4rem; }

    .timeline { grid-template-columns: 1fr; gap: 20px; margin-top: 24px; }
    .timeline-item { display: flex; align-items: flex-start; gap: 16px; text-align: left; padding: 0; }
    .timeline-item .dot { margin: 0; flex-shrink: 0; width: 52px; height: 52px; font-size: .85rem; }
}