/* ============================================
   page.css — 包印网商城 单页（协议 / 说明 / 帮助类内容页）
   布局：面包屑 → 墨蓝标题头卡 → 居中全宽文档正文 → 底部相关页面横排 + 客服条
        （上一版是「左 260 侧栏 + 右内容」双栏，本版改为单栏文档版式，协议类内容更易读）
   配色：品牌墨蓝 #04539F + 亮蓝 #198DFB + 阳光橙 #F5871F + 暖纸白底 #F6F4F0
   类名前缀：by_g_
   ============================================ */

.by_g_page { background: var(--by-paper); padding-bottom: 50px; }
.by_g_in { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* 面包屑 */
.by_g_crumb_bar { background: #fff; border-bottom: 1px solid var(--by-line); }
.by_g_crumb { max-width: 960px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; flex-wrap: wrap; gap: 8px; height: 46px; font-size: 13px; color: var(--by-ink-3); }
.by_g_crumb a { color: var(--by-ink-2); transition: color .18s; }
.by_g_crumb a:hover { color: var(--by-blue); }
.by_g_crumb .sep { color: var(--by-line); }
.by_g_crumb .cur { color: var(--by-blue-deep); font-weight: 600; }

/* 墨蓝标题头卡 */
.by_g_head { position: relative; overflow: hidden; background: var(--by-grad-navy); border-radius: var(--by-radius-lg) var(--by-radius-lg) 0 0; padding: 30px 40px 26px; margin-top: 22px; }
.by_g_head::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 92% 130%, rgba(245,135,31,.32) 0%, transparent 50%); }
.by_g_head_c { position: relative; z-index: 1; }
.by_g_head_tag { display: inline-flex; align-items: center; gap: 7px; height: 25px; padding: 0 12px; border-radius: var(--by-radius-sm); background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); color: #fff; font-size: 11.5px; font-weight: 600; letter-spacing: .5px; }
.by_g_head_tag i { color: var(--by-orange-light); }
.by_g_head h1 { font-size: 27px; font-weight: 800; color: #fff; margin-top: 14px; letter-spacing: .5px; line-height: 1.35; }
.by_g_head_meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; font-size: 12.5px; color: rgba(255,255,255,.62); }
.by_g_head_meta span { display: inline-flex; align-items: center; gap: 6px; }
.by_g_head_meta i { color: var(--by-orange-light); }

/* 正文白卡 */
.by_g_body_wrap { background: #fff; border: 1px solid var(--by-line); border-top: none; border-radius: 0 0 var(--by-radius-lg) var(--by-radius-lg); padding: 34px 40px 30px; }

.by_g_body { font-size: 15px; color: var(--by-ink); line-height: 2; }
.by_g_body h1 { font-size: 22px; font-weight: 800; color: var(--by-navy); margin: 26px 0 14px; }
.by_g_body h2 { position: relative; font-size: 20px; font-weight: 800; color: var(--by-navy); margin: 28px 0 14px; padding-left: 14px; }
.by_g_body h2::before { content: ''; position: absolute; left: 0; top: 5px; bottom: 5px; width: 4px; border-radius: 3px; background: var(--by-grad-orange); }
.by_g_body h3 { font-size: 17px; font-weight: 700; color: var(--by-navy); margin: 22px 0 12px; }
.by_g_body p { margin-bottom: 14px; }
.by_g_body strong, .by_g_body b { color: var(--by-navy); }
.by_g_body a { color: var(--by-blue); }
.by_g_body a:hover { color: var(--by-orange-deep); }
.by_g_body ul, .by_g_body ol { padding-left: 22px; margin-bottom: 14px; }
.by_g_body li { margin-bottom: 8px; }
.by_g_body img { max-width: 100%; height: auto; border-radius: var(--by-radius); margin: 12px auto; }
/* CKEditor 富文本：内联 width 的 figure 在窄屏会撑破页面 */
.by_g_body figure { max-width: 100% !important; margin: 14px auto; }
.by_g_body figure.image, .by_g_body figure.image_resized { max-width: 100% !important; }
.by_g_body figure figcaption { font-size: 12.5px; color: var(--by-ink-3); text-align: center; padding-top: 8px; }
.by_g_body blockquote { border-left: 3px solid var(--by-orange); background: var(--by-orange-tint); padding: 14px 18px; border-radius: 0 var(--by-radius) var(--by-radius) 0; color: var(--by-ink-2); margin: 16px 0; }
.by_g_body table { width: 100%; max-width: 100%; border-collapse: collapse; margin: 16px 0; }
.by_g_body th, .by_g_body td { border: 1px solid var(--by-line); padding: 10px 14px; font-size: 14px; }
.by_g_body th { background: var(--by-paper); color: var(--by-navy); font-weight: 700; }

.by_g_empty { text-align: center; padding: 56px 20px; }
.by_g_empty_ic { width: 72px; height: 72px; margin: 0 auto 16px; border-radius: 50%; background: var(--by-paper); color: var(--by-line); display: flex; align-items: center; justify-content: center; font-size: 30px; }
.by_g_empty h3 { font-size: 17px; font-weight: 700; color: var(--by-ink); }
.by_g_empty p { font-size: 13px; color: var(--by-ink-3); margin-top: 8px; }

/* 正文底部签名条 */
.by_g_foot { margin-top: 28px; padding-top: 18px; border-top: 1px dashed var(--by-line); display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.by_g_foot_meta { font-size: 12.5px; color: var(--by-ink-3); }
.by_g_foot_meta strong { color: var(--by-navy); }
.by_g_foot_back { display: inline-flex; align-items: center; gap: 7px; height: 34px; padding: 0 16px; border: 1px solid var(--by-line); border-radius: var(--by-radius); font-size: 13px; font-weight: 600; color: var(--by-ink-2); transition: all .18s; }
.by_g_foot_back:hover { border-color: var(--by-orange); background: var(--by-orange); color: #fff; }

/* 底部：相关页面横排 */
.by_g_rel { margin-top: 24px; }
.by_g_rel_hd { display: flex; align-items: center; gap: 11px; font-size: 17px; font-weight: 800; color: var(--by-navy); margin-bottom: 14px; letter-spacing: .5px; }
.by_g_rel_hd::before { content: ''; width: 5px; height: 18px; border-radius: 3px; background: var(--by-grad-orange); }
.by_g_rel_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.by_g_rel_item { display: flex; align-items: center; gap: 11px; background: #fff; border: 1px solid var(--by-line); border-radius: var(--by-radius); padding: 15px 17px; font-size: 13.5px; color: var(--by-ink); transition: all .18s; }
.by_g_rel_item i { width: 30px; height: 30px; flex-shrink: 0; border-radius: var(--by-radius-sm); background: var(--by-blue-tint); color: var(--by-blue); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; }
.by_g_rel_item span { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.by_g_rel_item:hover { border-color: var(--by-orange); color: var(--by-orange-deep); transform: translateY(-2px); box-shadow: var(--by-shadow-sm); }
.by_g_rel_item:hover i { background: var(--by-orange); color: #fff; }

/* 底部客服条 */
.by_g_help { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 16px; background: var(--by-grad-navy); border-radius: var(--by-radius-lg); padding: 22px 26px; position: relative; overflow: hidden; }
.by_g_help::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 90% 130%, rgba(245,135,31,.3) 0%, transparent 48%); }
.by_g_help_ic { position: relative; z-index: 1; width: 48px; height: 48px; flex-shrink: 0; border-radius: var(--by-radius); background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.24); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 20px; }
.by_g_help_tx { position: relative; z-index: 1; min-width: 0; flex: 1; }
.by_g_help_tx strong { display: block; font-size: 16px; font-weight: 700; color: #fff; }
.by_g_help_tx span { display: block; margin-top: 6px; font-size: 12.5px; color: rgba(255,255,255,.7); }
.by_g_help_tel { position: relative; z-index: 1; font-size: 21px; font-weight: 900; color: var(--by-orange-light); letter-spacing: .3px; }
.by_g_help_btn { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 7px; height: 40px; padding: 0 20px; border-radius: var(--by-radius); background: #fff; color: var(--by-blue-deep); font-size: 13.5px; font-weight: 700; transition: transform .18s; }
.by_g_help_btn:hover { transform: translateY(-2px); color: var(--by-blue-deep); }

@media (max-width: 768px) {
    .by_g_in, .by_g_crumb { padding: 0 14px; }
    .by_g_head { padding: 22px 18px 20px; margin-top: 14px; }
    .by_g_head h1 { font-size: 21px; }
    .by_g_body_wrap { padding: 22px 18px 20px; }
    .by_g_body { font-size: 14.5px; }
    .by_g_body h2 { font-size: 18px; }
    .by_g_rel_grid { grid-template-columns: 1fr; }
    .by_g_help { padding: 18px; gap: 14px; }
    .by_g_help_btn { width: 100%; justify-content: center; }
}