/* ============================================================
   号易 ® 号卡平台 - tpl1 模板样式
   科技蓝商务风 | 主色 #0A4DA3 深蓝 + 金色 #D4A94B 点缀
   响应式断点：1024px / 768px
   ============================================================ */

/* ---------- 变量与重置 ---------- */
:root {
    --primary: #0A4DA3;
    --primary-dark: #073a7a;
    --primary-light: #1a64c0;
    --gold: #D4A94B;
    --gold-dark: #b8912f;
    --text-main: #22303e;
    --text-sub: #5a6b7c;
    --text-light: #93a1b0;
    --bg-gray: #f4f7fb;
    --bg-dark: #0b1b30;
    --border: #e3eaf2;
    --radius: 10px;
    --shadow: 0 6px 24px rgba(10, 77, 163, .08);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background: #fff;
    line-height: 1.6;
    font-size: 15px;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-dark); }

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4 { line-height: 1.3; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
    transition: all .2s;
}
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-lg { padding: 14px 34px; font-size: 16px; }
.btn-block { display: block; width: 100%; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }

.btn-gold { background: linear-gradient(135deg, #e3c069, var(--gold)); color: #fff; }
.btn-gold:hover { background: linear-gradient(135deg, #d9b455, var(--gold-dark)); color: #fff; }

.btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn-outline:hover { background: rgba(255, 255, 255, .12); color: #fff; }

/* ---------- 顶部黑色小字条 ---------- */
.topbar {
    background: #111;
    color: #aab;
    font-size: 12px;
}
.topbar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 30px;
    flex-wrap: wrap;
}
.topbar-info { display: flex; gap: 18px; }
.topbar-item a { color: #ccd; }
.topbar-item a:hover { color: var(--gold); }
.topbar-extra { color: #889; }

/* ---------- 头部 ---------- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(10, 77, 163, .05);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 66px;
    gap: 20px;
}
.logo a { display: flex; flex-direction: column; line-height: 1.2; }
.logo-mark {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 1px;
}
.logo-mark sup { font-size: 12px; color: var(--gold); font-weight: 700; }
.logo-domain { font-size: 11px; color: var(--text-light); }

.main-nav { flex: 1; }
.nav-list { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.nav-list li a {
    display: block;
    padding: 10px 14px;
    color: var(--text-main);
    font-weight: 500;
    border-radius: 6px;
}
.nav-list li a:hover { color: var(--primary); background: var(--bg-gray); }
.nav-list li.active a { color: var(--primary); background: rgba(10, 77, 163, .08); font-weight: 700; }

.header-actions { display: flex; gap: 10px; flex-shrink: 0; }

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 通用区块 ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; margin-bottom: 42px; }
.section-title { font-size: 30px; color: var(--primary-dark); font-weight: 800; }
.section-sub { color: var(--text-sub); margin-top: 8px; font-size: 15px; }

.section-features { background: var(--bg-gray); }
.section-steps { background: #fff; }
.section-why { background: linear-gradient(180deg, #eef4fb, #fff); }
.section-levels { background: var(--bg-dark); }
.section-levels .section-title { color: #fff; }
.section-levels .section-sub { color: #8fa4bd; }
.section-contact { background: var(--bg-gray); }
.section-news { background: #fff; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    color: #fff;
    background:
        radial-gradient(circle at 15% 20%, rgba(212, 169, 75, .25), transparent 35%),
        radial-gradient(circle at 85% 75%, rgba(26, 100, 192, .5), transparent 45%),
        linear-gradient(135deg, #0b1b30 0%, #0A4DA3 60%, #073a7a 100%);
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}
.hero-inner {
    position: relative;
    text-align: center;
    padding: 90px 16px 100px;
}
.hero-title { font-size: 42px; font-weight: 800; letter-spacing: 1px; }
.hero-sub { font-size: 18px; color: #cfe0f4; margin-top: 16px; }
.hero-domain { margin-top: 14px; font-size: 15px; color: #9fc0e6; }
.hero-domain b { color: var(--gold); font-weight: 700; }

.hero-code {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 34px;
    padding: 18px 28px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    flex-wrap: wrap;
    justify-content: center;
}
.hero-code-label { font-size: 14px; color: #cfe0f4; }
.hero-code-num {
    font-size: 40px;
    font-weight: 900;
    letter-spacing: 4px;
    color: var(--gold);
    text-shadow: 0 0 18px rgba(212, 169, 75, .55);
    font-family: Consolas, Monaco, "Courier New", monospace;
}

.hero-actions { margin-top: 36px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- 核心卖点卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 34px 26px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(10, 77, 163, .15); }
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 800;
    color: var(--gold);
    background: rgba(212, 169, 75, .12);
    border: 1px solid rgba(212, 169, 75, .35);
}
.feature-card h3 { font-size: 20px; color: var(--primary-dark); margin-bottom: 10px; }
.feature-card p { color: var(--text-sub); font-size: 14px; }

/* ---------- 操作流程 ---------- */
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step-card {
    position: relative;
    background: var(--bg-gray);
    border-radius: var(--radius);
    padding: 30px 22px 24px;
    text-align: center;
    transition: transform .25s;
}
.step-card:hover { transform: translateY(-4px); }
.step-num {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    color: #fff;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(10, 77, 163, .3);
}
.step-title { display: inline-block; margin: 8px 0 8px; font-size: 17px; font-weight: 700; color: var(--primary-dark); }
a.step-title:hover { color: var(--gold-dark); }
.step-desc { color: var(--text-sub); font-size: 13.5px; }

/* ---------- 为什么选择号易 ---------- */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 22px;
    text-align: center;
    box-shadow: var(--shadow);
}
.why-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
}
.why-card h3 { font-size: 17px; color: var(--primary-dark); margin-bottom: 8px; }
.why-card p { color: var(--text-sub); font-size: 13.5px; }

/* ---------- 合伙人等级 ---------- */
.level-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.level-card {
    position: relative;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 14px;
    padding: 36px 24px;
    text-align: center;
    color: #fff;
    transition: transform .25s, border-color .25s;
}
.level-card:hover { transform: translateY(-5px); }
.level-card-hot {
    background: linear-gradient(160deg, rgba(212, 169, 75, .22), rgba(10, 77, 163, .25));
    border-color: var(--gold);
    box-shadow: 0 10px 30px rgba(212, 169, 75, .25);
}
.level-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #e3c069, var(--gold-dark));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 20px;
    white-space: nowrap;
}
.level-name { font-size: 20px; font-weight: 800; letter-spacing: 2px; color: var(--gold); }
.level-count { margin-top: 12px; font-size: 14px; color: #cfe0f4; }
.level-count b { font-size: 40px; font-weight: 900; color: #fff; margin-right: 4px; }
.level-desc { margin-top: 8px; color: #8fa4bd; font-size: 13.5px; }

/* ---------- 商务咨询 ---------- */
.contact-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 40px 44px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}
.contact-title { font-size: 24px; color: var(--primary-dark); margin-bottom: 14px; }
.contact-list li { padding: 7px 0; color: var(--text-sub); }
.contact-list b { color: var(--text-main); }
.contact-list a:hover { color: var(--gold-dark); }
.contact-action { flex-shrink: 0; }

/* ---------- 资讯推荐 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
    background: var(--bg-gray);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform .25s, box-shadow .25s;
    color: var(--text-main);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); color: var(--text-main); }
.news-card h3 { font-size: 16.5px; color: var(--primary-dark); }
.news-card p { color: var(--text-sub); font-size: 13.5px; flex: 1; }
.news-time { color: var(--text-light); font-size: 12.5px; }
.empty-tip { color: var(--text-sub); text-align: center; padding: 30px 0; }

/* ---------- 页面横幅 / 面包屑 ---------- */
.page-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 40px 0;
}
.page-banner-title { font-size: 28px; font-weight: 800; }
.breadcrumb { margin-top: 10px; font-size: 13.5px; color: #bcd3ee; }
.breadcrumb a { color: #bcd3ee; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { margin: 0 8px; color: #7fa3cc; }

/* ---------- 列表页布局 ---------- */
.page-layout {
    display: flex;
    gap: 30px;
    padding-top: 36px;
    padding-bottom: 56px;
    align-items: flex-start;
}
.main-col { flex: 1; min-width: 0; }

.article-list { display: flex; flex-direction: column; gap: 18px; }
.article-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 28px;
    transition: box-shadow .25s, transform .25s;
}
.article-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.article-meta { display: flex; gap: 18px; font-size: 12.5px; color: var(--text-light); margin-bottom: 8px; }
.article-title { font-size: 19px; }
.article-title a { color: var(--primary-dark); }
.article-title a:hover { color: var(--gold-dark); }
.article-summary { color: var(--text-sub); font-size: 14px; margin: 8px 0 14px; }

.empty-box { text-align: center; padding: 80px 20px; color: var(--text-sub); background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.empty-box p { margin-bottom: 18px; }

/* ---------- 分页 ---------- */
.hy-pagination { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 34px; align-items: center; }
.hy-pagination a,
.hy-pagination span.current,
.hy-pagination span.disabled {
    display: inline-block;
    min-width: 36px;
    padding: 7px 12px;
    text-align: center;
    border-radius: 6px;
    font-size: 13.5px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-main);
}
.hy-pagination a:hover { border-color: var(--primary); color: var(--primary); }
.hy-pagination span.current { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }
.hy-pagination span.disabled { color: #c2ccd8; cursor: not-allowed; }
.hy-pagination span.dots { border: none; color: var(--text-light); min-width: auto; }
.hy-pagination span.total { font-size: 13px; color: var(--text-sub); margin-left: 6px; }

/* ---------- 侧边栏 ---------- */
.sidebar { width: 300px; flex-shrink: 0; display: flex; flex-direction: column; gap: 20px; }
.side-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
.side-title { font-size: 16px; color: var(--primary-dark); padding-bottom: 12px; border-bottom: 2px solid var(--gold); margin-bottom: 12px; font-weight: 700; }
.side-list li { border-bottom: 1px dashed var(--border); }
.side-list li:last-child { border-bottom: none; }
.side-list li a { display: block; padding: 9px 4px; color: var(--text-main); font-size: 14px; }
.side-list li a:hover { color: var(--primary); padding-left: 10px; }
.side-list li.active a { color: var(--primary); font-weight: 700; }
.side-hot li { display: flex; align-items: center; gap: 10px; }
.hot-rank {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border-radius: 5px;
    background: var(--bg-gray);
    color: var(--text-sub);
    font-size: 12px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hot-rank-top { background: var(--gold); color: #fff; }
.side-contact p { font-size: 13.5px; color: var(--text-sub); padding: 5px 0; }
.side-contact .btn { margin-top: 10px; }

/* ---------- 详情页 ---------- */
.article-detail {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 40px;
    box-shadow: var(--shadow);
}
.article-detail-title { font-size: 26px; color: var(--primary-dark); font-weight: 800; }
.article-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
    padding: 12px 0 18px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 22px;
}
.article-detail-content { font-size: 15.5px; line-height: 1.9; color: var(--text-main); }
.article-detail-content p { margin-bottom: 16px; }
.article-detail-content img { margin: 14px auto; border-radius: 8px; }
.article-detail-content ul,
.article-detail-content ol { margin: 0 0 16px 22px; list-style: disc; }
.article-detail-content ol { list-style: decimal; }
.article-detail-content li { margin-bottom: 6px; }
.article-detail-content a { color: var(--primary); text-decoration: underline; }

.article-pn {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
}
.pn-item span { color: var(--text-light); }
.pn-empty { color: #c2ccd8; }

.related-box { margin-top: 30px; }
.related-title { font-size: 19px; color: var(--primary-dark); margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--gold); }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.related-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow .25s, transform .25s;
    color: var(--text-main);
}
.related-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); color: var(--text-main); }
.related-card h4 { font-size: 15.5px; color: var(--primary-dark); }
.related-card p { color: var(--text-sub); font-size: 13px; flex: 1; }

.detail-cta {
    margin-top: 30px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 12px;
    padding: 30px 34px;
    color: #fff;
    text-align: center;
}
.detail-cta-text { font-size: 16px; font-weight: 600; }
.detail-cta-btns { margin-top: 18px; display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; }
.detail-cta-kf { font-size: 13.5px; color: #cfe0f4; }
.detail-cta-kf b { color: var(--gold); }

/* ---------- 404 ---------- */
.page-404 { text-align: center; padding: 90px 16px 110px; background: var(--bg-gray); }
.error-code {
    font-size: 120px;
    font-weight: 900;
    line-height: 1;
    color: transparent;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
}
.error-title { font-size: 26px; color: var(--primary-dark); margin-top: 10px; }
.error-desc { color: var(--text-sub); margin-top: 12px; }
.error-actions { margin-top: 30px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.error-hot { margin-top: 46px; max-width: 480px; margin-left: auto; margin-right: auto; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.error-hot h3 { font-size: 17px; color: var(--primary-dark); margin-bottom: 12px; }
.error-hot-list li a { display: block; padding: 8px 4px; border-bottom: 1px dashed var(--border); color: var(--text-main); font-size: 14px; }
.error-hot-list li:last-child a { border-bottom: none; }
.error-hot-list li a:hover { color: var(--primary); }

/* ---------- 底部 ---------- */
.site-footer { background: var(--bg-dark); color: #9fb3c9; font-size: 14px; }
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 34px;
    padding: 52px 16px 40px;
}
.footer-logo { font-size: 26px; font-weight: 800; color: #fff; }
.footer-logo sup { font-size: 13px; color: var(--gold); }
.footer-slogan { margin-top: 12px; color: #8fa4bd; font-size: 13.5px; }
.footer-kf { margin-top: 8px; font-size: 13.5px; }
.footer-kf a { color: #9fb3c9; }
.footer-kf a:hover { color: var(--gold); }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-links li { margin-bottom: 9px; }
.footer-links li a { color: #9fb3c9; }
.footer-links li a:hover { color: var(--gold); }
.footer-contact-item { margin-bottom: 14px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 18px 0; font-size: 12.5px; color: #6f8399; }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-bottom a { color: #8fa4bd; }

/* ---------- 移动端快捷栏 ---------- */
.m-quickbar {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: #fff;
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 16px rgba(10, 77, 163, .1);
    transition: transform .3s ease;
}
.m-quickbar.hide { transform: translateY(100%); }
.m-q-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 4px;
    color: var(--text-main);
    font-size: 11px;
}
.m-q-item:first-child { color: var(--primary); font-weight: 700; }
.m-q-icon { font-size: 18px; line-height: 1; }

/* ---------- 淡入动画 ---------- */
.fade-in { opacity: 0; transform: translateY(14px); animation: hyFadeIn .5s ease forwards; }
@keyframes hyFadeIn { to { opacity: 1; transform: none; } }

/* ---------- Toast 提示 ---------- */
.hy-toast {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translate(-50%, 20px);
    background: rgba(11, 27, 48, .92);
    color: #fff;
    font-size: 13.5px;
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s, transform .3s;
    max-width: 86vw;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.hy-toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式：1024px ---------- */
@media (max-width: 1024px) {
    .hero-title { font-size: 34px; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* ---------- 响应式：768px ---------- */
@media (max-width: 768px) {
    .topbar-extra { display: none; }
    .topbar-inner { justify-content: center; }

    .header-inner { min-height: 58px; flex-wrap: wrap; }
    .hamburger { display: flex; }
    .header-actions { display: none; }

    .main-nav {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        background: #fff;
        box-shadow: 2px 0 20px rgba(0, 0, 0, .12);
        transition: left .3s ease;
        padding-top: 20px;
        overflow-y: auto;
        z-index: 150;
    }
    .main-nav.open { left: 0; }
    .nav-list { flex-direction: column; gap: 0; padding: 0 16px; }
    .nav-list li a { padding: 14px 10px; border-bottom: 1px solid var(--border); border-radius: 0; }

    .hero-inner { padding: 56px 16px 66px; }
    .hero-title { font-size: 26px; }
    .hero-sub { font-size: 15px; }
    .hero-code { padding: 14px 18px; gap: 10px; }
    .hero-code-num { font-size: 30px; }

    .section { padding: 44px 0; }
    .section-title { font-size: 24px; }
    .section-head { margin-bottom: 30px; }

    .feature-grid,
    .why-grid,
    .news-grid { grid-template-columns: 1fr; }
    .step-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .level-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }

    .contact-box { padding: 28px 22px; flex-direction: column; align-items: flex-start; }

    .page-layout { flex-direction: column; padding-top: 24px; }
    .sidebar { width: 100%; order: 2; }

    .article-detail { padding: 24px 20px; }
    .article-detail-title { font-size: 21px; }
    .related-grid { grid-template-columns: 1fr; }

    .footer-inner { grid-template-columns: 1fr; gap: 24px; padding: 40px 16px 110px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }

    /* 移动端底部快捷栏展示，页面内容预留底部空间 */
    .m-quickbar { display: flex; }
    body { padding-bottom: 56px; }
    body.page-404 .m-quickbar { display: flex; }
}

@media (max-width: 480px) {
    .hero-actions .btn-lg { width: 100%; }
    .step-grid { grid-template-columns: 1fr; }
    .contact-action .btn-lg { width: 100%; }
}

/* ================= 底部横向排版优化（垂直列表改横向排布） ================= */
.site-footer .footer-inner,
.site-footer .footer-main{
    display: flex !important;
    flex-wrap: wrap;
    align-items: flex-start;
    grid-template-columns: none !important;
    gap: 26px 54px;
    padding: 46px 16px 34px;
}
.site-footer .footer-col,
.site-footer .footer-brand{ flex: 1 1 200px; min-width: 170px; }
.site-footer .footer-col.footer-about,
.site-footer .footer-brand{ flex: 1.6 1 300px; }
.site-footer .footer-col h4,
.site-footer .footer-title{ margin-bottom: 14px; }
.site-footer .footer-links{ display: flex; flex-wrap: wrap; gap: 10px 22px; }
.site-footer .footer-links li{ margin: 0 !important; font-size: 13.5px; }
.site-footer .footer-contact-item{ margin-bottom: 10px; }
.site-footer .footer-bottom-inner{ align-items: center; }
@media (max-width: 900px){
    .site-footer .footer-inner,
    .site-footer .footer-main{ gap: 22px 34px; padding: 38px 16px 30px; }
}
@media (max-width: 640px){
    .site-footer .footer-inner,
    .site-footer .footer-main{ flex-direction: column; gap: 22px; padding: 32px 16px 110px; }
    .site-footer .footer-col,
    .site-footer .footer-brand{ flex: 1 1 auto; min-width: 0; width: 100%; }
    .site-footer .footer-links{ gap: 8px 18px; }
}


/* ================= 界面留白与资讯模块优化（20260910） ================= */
/* 1) 桌面端侧栏跟随滚动：消除资讯页右侧半屏空白 */
@media (min-width: 901px){
    .page-layout{ align-items: flex-start; }
    .page-layout .sidebar{ position: sticky; top: 92px; align-self: flex-start; }
}
/* 2) 首页板块间距收紧，减少资讯板块下方多余留白 */
.section{ padding: 52px 0; }
.section-head{ margin-bottom: 34px; }
.section-news{ padding-top: 46px; padding-bottom: 34px; }
/* 3) 资讯列表更紧凑 */
.article-list{ gap: 16px; }
.page-layout{ padding-top: 28px; padding-bottom: 40px; }
/* 4) 侧栏卡片间距收紧 */
.sidebar{ gap: 18px; }
.side-card{ padding: 18px 20px; }
/* 5) 侧栏快捷入口卡片 */
.side-card.side-links .side-btns{ display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.side-card.side-links .side-btn{
    display: block; text-align: center; padding: 11px 14px; border-radius: 8px;
    background: #1a6fd6; color: #fff !important; font-weight: 700; font-size: 14px;
    transition: filter .18s ease, transform .18s ease;
}
.side-card.side-links .side-btn:hover{ filter: brightness(1.08); transform: translateY(-1px); }
.side-card.side-links .side-btn.side-btn-ghost{
    background: #fff; color: #1a6fd6 !important; border: 1px solid #1a6fd6;
}
/* 6) 移动端微调 */
@media (max-width: 900px){
    .section{ padding: 40px 0; }
    .section-news{ padding-bottom: 26px; }
}


/* ============ 侧栏留白加固（20260910-2） ============ */
@media (min-width: 901px){
    .page-layout{ align-items: flex-start !important; }
    aside.sidebar{
        align-self: flex-start !important;
        height: auto !important;
        max-height: none !important;
        position: sticky !important;
        top: 92px;
    }
}
.section-news{ padding-bottom: 20px; }
@media (max-width: 900px){
    .section-news{ padding-bottom: 18px; }
}


/* ================= 移动端快捷栏 + 首页快捷入口 + 底部可读性（20260911） ================= */
/* 1) 首页快捷入口区块：桌面 4 列 / 手机 2 列 */
.section-quick{padding-top:36px}
.hq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.hq-card{display:flex;align-items:center;gap:12px;padding:16px 18px;background:#ffffff;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:var(--radius);transition:all .25s ease}
.hq-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.hq-card .hq-ico{font-size:20px;line-height:1;color:var(--primary)}
.hq-card .hq-txt b{display:block;font-size:15px;font-weight:700;color:var(--text-main)}
.hq-card .hq-txt small{display:block;margin-top:2px;font-size:12px;color:var(--text-sub)}
@media (max-width:900px){
  .hq-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .hq-card{padding:13px 14px;gap:10px}
  .hq-card .hq-ico{font-size:17px}
  .hq-card .hq-txt b{font-size:14px}
  .hq-card .hq-txt small{display:none}
}
/* 2) 移动端底部快捷栏（补齐样式：此前仅有 HTML 结构、无 CSS） */
.m-quickbar{position:fixed;left:0;right:0;bottom:0;z-index:98;display:none;grid-template-columns:repeat(4,1fr);background:rgba(11,27,48,.97);border-top:1px solid rgba(255,255,255,.12);padding:6px 0 calc(6px + env(safe-area-inset-bottom));box-shadow:0 -6px 18px rgba(0,0,0,.18)}
.m-q-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;font-size:11.5px;color:#cbd8ea;text-decoration:none}
.m-q-item .m-q-icon{font-size:17px;line-height:1;color:var(--gold)}
.m-q-item:active{filter:brightness(1.15)}
@media (max-width:900px){
  .m-quickbar{display:grid !important}
  body{padding-bottom:64px}
}
/* 3) 手机端节奏收紧 */
@media (max-width:900px){
  .section{padding:34px 0}
  .section-head{margin-bottom:24px}
  .hero{padding-top:48px;padding-bottom:52px}
}