/* ===== 质朴 · 可信 · 书信感配色 =====
   个人工作室独立开发，不追风口、不讲大词，
   用克制的配色、朴素的排版和真诚的叙述建立信任。 */
:root {
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --serif: Georgia, "Times New Roman", "Songti SC", "Noto Serif SC", "SimSun", serif;
  --ink: #2f2a24;          /* 正文墨色 */
  --ink-soft: #554e45;     /* 次级文字 */
  --muted: #8a8378;        /* 弱化文字 */
  --line: #e6e1d8;         /* 细边框 */
  --paper: #fcfbf9;        /* 页面底色（纸） */
  --bg-soft: #f4f1ea;      /* 浅底 */
  --accent: #3d6b5f;       /* 克制的一抹青竹绿 */
  --accent-soft: #e6ece8;
  --shadow: 0 1px 2px rgba(47, 42, 36, 0.05);
  --radius: 6px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--ink); background: var(--paper); line-height: 1.75; -webkit-font-smoothing: antialiased; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1080px, 92%); margin: 0 auto; }

/* ===== 顶部导航 ===== */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(252, 251, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 700; font-size: 17px; letter-spacing: 0.02em; }
.brand .logo { width: 30px; height: 30px; border-radius: 6px; display: grid; place-items: center; font-size: 16px; color: #fff; background: var(--accent); }
.nav-links { display: flex; gap: 24px; font-size: 14px; color: var(--ink-soft); }
.nav-links a:hover { color: var(--accent); }
.nav-cta { border: 1px solid var(--ink); padding: 7px 16px; border-radius: var(--radius); font-size: 14px; }
.nav-cta:hover { background: var(--ink); color: #fff; }

/* ===== 页脚 ===== */
.site-footer { background: #2b2822; color: #c9c2b6; margin-top: 60px; }
.footer-inner { padding: 44px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand { font-family: var(--serif); font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.footer-desc { font-size: 13px; color: #9c958a; max-width: 380px; }
.footer-col h4 { color: #fff; font-size: 13px; margin-bottom: 12px; font-weight: 600; }
.footer-col a { display: block; font-size: 13px; color: #9c958a; margin-bottom: 9px; }
.footer-col a:hover { color: #fff; }
.footer-note { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.12); font-size: 12px; color: #7d766b; line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 20px; padding-top: 16px; font-size: 12px; color: #7d766b; }

/* ===== 主页 Hero ===== */
.hero { padding: 72px 0 64px; text-align: center; border-bottom: 1px solid var(--line); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-soft); border: 1px solid var(--line); padding: 5px 14px; border-radius: 999px; background: #fff; }
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-family: var(--serif); font-size: clamp(30px, 4.4vw, 46px); font-weight: 700; line-height: 1.3; margin: 24px auto 18px; max-width: 720px; letter-spacing: 0.01em; }
.hero h1 .accent { color: var(--accent); }
.hero p { font-size: 16px; color: var(--ink-soft); max-width: 620px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 22px; border-radius: var(--radius); font-size: 15px; font-weight: 600; transition: background .15s, color .15s; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }
.hero-stats { display: flex; gap: 48px; justify-content: center; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .stat { text-align: center; }
.hero-stats .num { font-family: var(--serif); font-size: 28px; font-weight: 700; color: var(--ink); }
.hero-stats .label { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ===== 产品视频 ===== */
.video-card { max-width: 880px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 12px 8px; box-shadow: 0 12px 32px rgba(47, 42, 36, 0.08); }
.video-card video { display: block; width: 100%; border-radius: 4px; background: var(--bg-soft); opacity: 0; transition: opacity .5s ease; }
.video-card video.is-playing { opacity: 1; }
.video-card figcaption { text-align: center; font-size: 12.5px; color: var(--muted); padding: 10px 8px 4px; }

/* ===== Section ===== */
.section { padding: 56px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head .kicker { font-size: 12px; letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }
.section-head h2 { font-family: var(--serif); font-size: 28px; font-weight: 700; margin: 10px 0 12px; }
.section-head p { color: var(--muted); font-size: 15px; }

/* ===== 卡片 ===== */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.card { padding: 24px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .15s; }
.card:hover { border-color: var(--accent); }
.card .ficon { font-size: 24px; margin-bottom: 12px; }
.card h3 { font-family: var(--serif); font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; }

/* ===== 分类筛选 ===== */
.cat-filter { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 36px 0 28px; }
.chip { padding: 6px 16px; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: 13px; color: var(--ink-soft); cursor: pointer; transition: all .15s; }
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ===== 应用卡片网格 ===== */
.app-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.app-card { position: relative; padding: 24px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .15s, transform .15s; }
.app-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.app-card .icon { width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center; font-size: 22px; margin-bottom: 12px; }
.app-card h3 { font-family: var(--serif); font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.app-card .tag { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.app-card p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }
.app-card .go { position: absolute; right: 16px; top: 22px; font-weight: 700; opacity: 0; transform: translateX(-6px); transition: all .15s; }
.app-card:hover .go { opacity: 1; transform: translateX(0); }
.app-card .app-ver { margin-top: 10px; font-size: 11px; color: var(--muted); font-family: var(--serif); letter-spacing: 0.03em; }

/* ===== 页面头部（内页） ===== */
.page-hero { padding: 52px 0 36px; text-align: center; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-family: var(--serif); font-size: clamp(26px, 4vw, 38px); font-weight: 700; margin-bottom: 12px; }
.page-hero p { font-size: 15px; color: var(--muted); max-width: 600px; margin: 0 auto; }

/* ===== 落地页联系人说明 ===== */
.about-note { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.about-note .card { border-left: 3px solid var(--accent); }

/* ===== 落地页通用 ===== */
.breadcrumb { padding: 16px 0; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--line); margin-bottom: 40px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 6px; }

/* 落地页 Hero（主题色） */
.lp-hero { padding: 56px 0 48px; color: #fff; }
.lp-hero .icon { font-size: 56px; margin-bottom: 14px; }
.lp-hero h1 { font-family: var(--serif); font-size: clamp(28px, 4vw, 40px); font-weight: 700; margin-bottom: 10px; }
.lp-hero .tagline { font-size: 18px; opacity: 0.96; margin-bottom: 12px; }
.lp-hero .short { font-size: 14.5px; opacity: 0.88; max-width: 620px; }
.lp-hero .hero-ver { margin-top: 14px; display: inline-block; font-size: 12px; font-family: var(--serif); background: rgba(255,255,255,0.2); padding: 3px 12px; border-radius: 999px; letter-spacing: 0.03em; }
.lp-hero .cta-row { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.lp-hero .btn-white { background: #fff; color: var(--ink); }
.lp-hero .btn-white:hover { background: #f0f0f0; }
.lp-hero .btn-ghost-light { background: rgba(255,255,255,0.16); color: #fff; border: 1px solid rgba(255,255,255,0.45); }
.lp-hero .btn-ghost-light:hover { background: rgba(255,255,255,0.28); }

/* 功能卡片 */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.feat-card { padding: 24px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .15s; }
.feat-card:hover { border-color: var(--accent); }
.feat-card .ficon { width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center; font-size: 20px; margin-bottom: 12px; }
.feat-card h3 { font-family: var(--serif); font-size: 16px; font-weight: 700; margin-bottom: 7px; }
.feat-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.7; }

/* 适用场景 */
.scenario-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.scenario { display: flex; align-items: center; gap: 12px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft); }
.scenario .ticon { width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center; font-size: 18px; color: #fff; flex-shrink: 0; }
.scenario b { font-size: 14px; font-weight: 600; }

/* 版本定价 */
.plan-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.plan { position: relative; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.plan.hot { border: 1px solid var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan .pname { font-family: var(--serif); font-size: 16px; font-weight: 700; }
.plan .pdesc { font-size: 13px; color: var(--muted); margin: 6px 0 14px; }
.plan .pfeat { font-size: 13px; color: var(--ink-soft); padding: 5px 0; display: flex; gap: 8px; align-items: center; }
.plan .pfeat::before { content: '✓'; color: var(--accent); font-weight: 700; }
.plan .pver-info { margin-top: 12px; font-size: 12px; color: var(--muted); font-family: var(--serif); display: flex; gap: 8px; align-items: center; }
.plan .pver-size { background: var(--bg-soft); padding: 2px 8px; border-radius: 4px; font-size: 11px; }

/* 客户评价 */
.quote-card { max-width: 620px; margin: 0 auto; text-align: center; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-soft); }
.quote-card .q { font-family: var(--serif); font-size: 17px; font-weight: 600; color: var(--ink); line-height: 1.7; }
.quote-card .qa { margin-top: 12px; font-size: 13px; color: var(--muted); }

/* 来自开发者 —— 书信卡片 */
.letter-card { max-width: 760px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 38px; box-shadow: var(--shadow); }
.letter-items { display: grid; gap: 22px; }
.letter-item { border-left: 3px solid var(--accent); padding: 2px 0 2px 18px; }
.letter-item h3 { font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.letter-item p { font-size: 14px; color: var(--ink-soft); line-height: 1.8; }
.letter-sign { margin-top: 26px; padding-top: 18px; border-top: 1px dashed var(--line); font-family: var(--serif); font-size: 14px; color: var(--muted); text-align: right; }

/* CTA 横幅 */
.cta-band { text-align: center; padding: 48px 20px; border-radius: var(--radius); color: #fff; }
.cta-band h2 { font-family: var(--serif); font-size: 26px; font-weight: 700; margin-bottom: 10px; }
.cta-band p { opacity: 0.9; margin-bottom: 22px; }

/* 响应式 */
@media (max-width: 720px) {
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 48px 0 52px; }
  .hero-stats { gap: 26px; }
}

/* ===== 版本对比表 ===== */
.cmp-wrap { max-width: 860px; margin: 0 auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; box-shadow: var(--shadow); }
.cmp-table { width: 100%; border-collapse: collapse; table-layout: fixed; min-width: 560px; }
.cmp-table th { font-family: var(--serif); font-size: 15px; font-weight: 700; padding: 16px 20px; text-align: left; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.cmp-table th:first-child { width: 26%; color: var(--muted); font-size: 13px; font-family: var(--font); font-weight: 600; }
.cmp-table td { padding: 13px 20px; font-size: 13.5px; color: var(--ink-soft); border-bottom: 1px solid var(--line); }
.cmp-table tr:last-child td { border-bottom: none; }
.cmp-table td:first-child { color: var(--muted); font-size: 13px; }
.cmp-table td.cell-ok { color: var(--accent); font-weight: 700; }
.cmp-table td.cell-na { color: var(--muted); }

/* ===== 套餐选择表单 ===== */
.plan-form { max-width: 860px; margin: 0 auto; }
.plan-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.plan-opt { position: relative; display: block; padding: 26px 26px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; cursor: pointer; transition: border-color .15s, box-shadow .15s; }
.plan-opt:hover { border-color: var(--accent); }
.plan-opt.sel { border: 1px solid var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan-opt.sel::after { content: '✓ 已选择'; position: absolute; top: -11px; right: 16px; background: var(--accent); color: #fff; font-size: 11px; padding: 2px 10px; border-radius: 999px; letter-spacing: .03em; }
.plan-opt input { position: absolute; opacity: 0; pointer-events: none; }
.po-head { display: flex; flex-direction: column; gap: 3px; padding-bottom: 12px; border-bottom: 1px dashed var(--line); margin-bottom: 12px; }
.po-name { font-family: var(--serif); font-size: 17px; font-weight: 700; }
.po-sub { font-size: 12.5px; color: var(--muted); }
.po-list { list-style: none; display: grid; gap: 7px; }
.po-list li { position: relative; font-size: 13px; color: var(--ink-soft); padding-left: 22px; }
.po-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.po-action { margin-top: 16px; }
.po-action .btn { width: 100%; justify-content: center; }
.plan-foot { margin-top: 22px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; justify-content: center; }
.plan-hint { font-size: 12.5px; color: var(--muted); }

/* ===== 价格一览 / 单机版说明 ===== */
.price-grid { max-width: 860px; margin: 0 auto; display: grid; grid-template-columns: 320px 1fr; gap: 18px; align-items: stretch; }
.price-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; display: flex; flex-direction: column; }
.price-card.price-single { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pc-name { font-family: var(--serif); font-size: 17px; font-weight: 700; }
.pc-sub { font-size: 12.5px; color: var(--muted); margin: 3px 0 14px; }
.pc-list { list-style: none; display: grid; gap: 7px; margin: 14px 0; }
.pc-list li { position: relative; font-size: 13px; color: var(--ink-soft); padding-left: 22px; }
.pc-list li::before { content: '✓'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.pc-note { font-size: 12.5px; color: #a15c1e; background: #fdf6ec; border: 1px solid #f0e0c8; border-radius: var(--radius); padding: 10px 12px; margin-bottom: 16px; line-height: 1.6; }
.price-big { font-family: var(--serif); font-size: 34px; font-weight: 700; display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price-big i { font-style: normal; font-size: 13px; color: var(--muted); }
.pbadge { font-family: var(--font); font-size: 11px; font-weight: 600; color: #fff; background: #c0392b; padding: 2px 9px; border-radius: 999px; letter-spacing: .03em; }
.price-strike { color: var(--muted); font-size: 13px; }
.tier-list { display: grid; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 4px 0 16px; }
.tier-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; background: #fff; }
.tier-row + .tier-row { border-top: 1px solid var(--line); }
.tier-row b { font-size: 14px; display: block; }
.tier-row span { font-size: 12px; color: var(--muted); display: block; }
.tier-price { font-family: var(--serif); font-size: 18px; font-weight: 700; white-space: nowrap; }
.tier-price i { font-style: normal; font-size: 12px; color: var(--muted); }
.notice-band { max-width: 860px; margin: 18px auto 0; font-size: 13.5px; color: #7a4a12; background: #fdf6ec; border: 1px solid #f0e0c8; border-radius: var(--radius); padding: 13px 18px; line-height: 1.7; }
.faq-list { max-width: 760px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.faq-item h3 { font-family: var(--serif); font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.faq-item p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }
.pprice { font-family: var(--serif); font-size: 24px; font-weight: 700; margin: 4px 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.pprice i { font-style: normal; font-size: 13px; color: var(--muted); }
.pprice s { font-size: 13px; color: var(--muted); font-weight: 400; }
.pnote { font-size: 12.5px; color: #a15c1e; margin-bottom: 10px; line-height: 1.6; }

/* ===== 购买弹窗 ===== */
.buy-overlay { position: fixed; inset: 0; z-index: 100; background: rgba(47,42,36,.45); display: flex; align-items: center; justify-content: center; padding: 20px; }
.buy-overlay[hidden] { display: none; }
.buy-modal { position: relative; width: min(560px, 100%); max-height: 86vh; overflow-y: auto; background: var(--paper); border-radius: 10px; padding: 28px; box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.buy-modal h3 { font-family: var(--serif); font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.buy-close { position: absolute; top: 12px; right: 14px; width: 32px; height: 32px; border: none; background: var(--bg-soft); border-radius: 50%; font-size: 18px; line-height: 1; cursor: pointer; color: var(--ink-soft); }
.buy-close:hover { background: var(--accent-soft); }
.buy-sec { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 18px 20px; margin-bottom: 14px; }
.buy-sec-head { font-family: var(--serif); font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.buy-note { font-size: 12.5px; color: var(--muted); line-height: 1.7; margin-top: 10px; }
.buy-note b { color: var(--ink); }
.qr-grid { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 12px; }
.qr-item { text-align: center; }
.qr-item img { width: 132px; height: 132px; object-fit: cover; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.qr-item b { display: block; font-size: 12.5px; margin-top: 6px; color: var(--ink-soft); }
.qr-load { font-size: 13px; color: var(--muted); padding: 14px 0; }
.qr-tip { font-size: 12px; color: var(--muted); margin-top: 10px; }
/* 官网购买：PayHub 动态下单收款码 */
.pay-methods { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.pay-method { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 8px 16px; font-family: var(--font); font-size: 13px; cursor: pointer; color: var(--ink-soft); transition: all .15s; }
.pay-method:hover { border-color: var(--accent); }
.pay-method.sel { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.buy-btn { display: block; width: 100%; margin-top: 12px; border: none; border-radius: 8px; background: var(--accent); color: #fff; font-family: var(--font); font-size: 14px; font-weight: 700; padding: 11px 0; cursor: pointer; transition: filter .15s; text-align: center; text-decoration: none; }
.buy-btn:hover:not(:disabled) { filter: brightness(1.1); }
.buy-btn:disabled { opacity: .55; cursor: default; }
.buy-order { margin-top: 12px; text-align: center; border: 1px dashed var(--line); border-radius: 8px; padding: 16px; background: var(--paper); }
.buy-order img { width: 200px; height: 200px; max-width: 100%; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.bo-amount { font-size: 18px; font-weight: 700; color: #c0392b; margin-top: 10px; }
.bo-status { font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.bo-ok { font-size: 15px; font-weight: 700; color: var(--accent); }

/* 官网购买：授权时长选择（价格来自授权服务器 /api/payment/plans） */
.dur-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 12px; }
@media (max-width: 720px) {
  .dur-grid { grid-template-columns: repeat(2, 1fr); }
}
.dur-item { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 4px; border: 1px solid var(--line); background: #fff; border-radius: 8px; cursor: pointer; font-family: var(--font); transition: all .15s; }
.dur-item:hover { border-color: var(--accent); }
.dur-item.sel { border-color: var(--accent); background: var(--accent-soft); }
.dur-name { font-size: 12.5px; color: var(--ink-soft); }
.dur-item.sel .dur-name { color: var(--accent); font-weight: 700; }
.dur-price { font-size: 14px; font-weight: 700; color: var(--ink); }
.dur-load { grid-column: 1 / -1; font-size: 13px; color: var(--muted); padding: 10px 0; }
.bo-opened { font-size: 12.5px; color: var(--ink); margin-top: 8px; }
.bo-link { font-size: 13px; color: var(--accent); font-weight: 700; cursor: pointer; text-decoration: underline; }
.bo-code { display: flex; align-items: center; gap: 8px; justify-content: center; margin-top: 8px; flex-wrap: wrap; }
.bo-code code { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; font-size: 13px; word-break: break-all; max-width: 100%; }

@media (max-width: 720px) {
  .price-grid { grid-template-columns: 1fr; }
  .buy-overlay { padding: 12px; }
  .buy-modal { padding: 20px 16px; }
}

/* ===== 购买方式（在线授权 / 在线订阅） ===== */
.payway-grid { max-width: 860px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.payway-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 26px; display: flex; flex-direction: column; }
.pw-head { font-family: var(--serif); font-size: 17px; font-weight: 700; margin-bottom: 14px; }
.pw-steps { list-style: none; display: grid; gap: 10px; counter-reset: pw; margin-bottom: 14px; }
.pw-steps li { position: relative; padding-left: 34px; font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; counter-increment: pw; }
.pw-steps li b { color: var(--ink); }
.pw-steps li::before { content: counter(pw); position: absolute; left: 0; top: 1px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 700; display: grid; place-items: center; }
.pw-note { font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }
.payway-card .po-action { margin-top: auto; }

/* ===== 帮助页（图文教程） ===== */
.help-toc { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 26px; }
.help-sec { padding: 44px 0 8px; }
.hstep { display: grid; grid-template-columns: 52px 1fr; gap: 16px; margin: 0 0 26px; }
.hnum { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--serif); font-size: 18px; font-weight: 700; }
.hbody h3 { font-family: var(--serif); font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.hbody p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.8; }
.hbody p b { color: var(--ink); }
.htip { font-size: 12.5px; color: #7a4a12; background: #fdf6ec; border: 1px solid #f0e0c8; border-radius: var(--radius); padding: 9px 12px; margin-top: 10px; line-height: 1.7; }

/* —— 模拟界面截图（纯 CSS 绘制） —— */
.shot { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); margin-top: 14px; }
.shot-bar { display: flex; align-items: center; gap: 5px; padding: 8px 12px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d8d2c6; }
.shot-bar i:nth-child(1) { background: #e08e79; }
.shot-bar i:nth-child(2) { background: #e6c47a; }
.shot-bar i:nth-child(3) { background: #9dc08b; }
.shot-bar span { margin-left: 8px; font-size: 11px; color: var(--muted); letter-spacing: .02em; }
.shot-body { padding: 16px; display: grid; gap: 10px; }
.msplit { display: grid; grid-template-columns: 118px 1fr; gap: 12px; align-items: start; }
.mnav { border: 1px solid var(--line); border-radius: 8px; padding: 8px; display: grid; gap: 3px; background: var(--bg-soft); align-content: start; }
.mnav b { font-size: 11.5px; font-weight: 600; padding: 5px 8px; border-radius: 5px; color: var(--ink-soft); white-space: nowrap; }
.mnav b.on { background: var(--accent); color: #fff; }
.mrows { display: grid; gap: 6px; }
.mrow { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; background: #fff; }
.mrow .mi { width: 26px; height: 26px; border-radius: 6px; background: var(--bg-soft); display: grid; place-items: center; font-size: 14px; flex-shrink: 0; }
.mrow .d { flex: 1; min-width: 0; display: grid; }
.mrow .l1 { font-size: 12px; font-weight: 600; line-height: 1.4; }
.mrow .l2 { font-size: 10.5px; color: var(--muted); line-height: 1.4; }
.mrow .amt { font-size: 12px; font-weight: 700; color: var(--accent); white-space: nowrap; }
.mgrid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 7px; }
.mapp { border: 1px solid var(--line); border-radius: 8px; padding: 8px 2px; text-align: center; background: #fff; font-size: 17px; }
.mapp span { display: block; font-size: 10px; color: var(--ink-soft); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mapp.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.mform { display: grid; gap: 9px; max-width: 360px; width: 100%; margin: 0 auto; }
.mfield { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 11.5px; color: var(--muted); background: #fff; line-height: 1.6; }
.mfield b { color: var(--ink); font-weight: 600; }
.mbtn { background: var(--accent); color: #fff; border-radius: 8px; text-align: center; padding: 8px 0; font-size: 12.5px; font-weight: 700; }
.mbtn.ghost { background: var(--bg-soft); color: var(--ink); }
.mrow2 { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.mqrs { display: flex; gap: 18px; align-items: center; justify-content: center; padding: 6px 0; }
.mqr { position: relative; width: 104px; height: 104px; border: 1px solid var(--line); border-radius: 8px; background: repeating-conic-gradient(#2f2a24 0 25%, #fff 0 50%) 0 0 / 16px 16px; }
.mqr i { position: absolute; width: 20px; height: 20px; border: 5px solid #2f2a24; background: #fff; border-radius: 4px; }
.mqr i:nth-child(1) { top: 6px; left: 6px; }
.mqr i:nth-child(2) { top: 6px; right: 6px; }
.mqr i:nth-child(3) { bottom: 6px; left: 6px; }
.qcap { font-size: 11px; color: var(--muted); text-align: center; line-height: 1.7; }
.mkpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mkpi { border: 1px solid var(--line); border-radius: 8px; padding: 10px 6px; text-align: center; background: #fff; }
.mkpi b { display: block; font-family: var(--serif); font-size: 17px; }
.mkpi span { font-size: 10px; color: var(--muted); }
.mphone { width: 240px; margin: 0 auto; border: 2px solid var(--ink); border-radius: 26px; padding: 14px 12px 18px; background: #fff; }
.mphone::before { content: ''; display: block; width: 64px; height: 5px; border-radius: 999px; background: var(--ink); margin: 0 auto 10px; opacity: .75; }

/* ===== 产品大全 ===== */
.pd-nav { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 26px; }
.pd-search { max-width: 460px; margin: 16px auto 0; }
.pd-search input { width: 100%; padding: 11px 18px; border: 1px solid var(--line); border-radius: 999px; font-family: var(--font); font-size: 14px; background: #fff; color: var(--ink); outline: none; }
.pd-search input:focus { border-color: var(--accent); }
.pd-group { margin-top: 44px; }
.pd-group-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; border-bottom: 2px solid var(--ink); padding-bottom: 8px; }
.pd-group-head h2 { font-family: var(--serif); font-size: 22px; font-weight: 700; }
.pd-group-head span { font-size: 12.5px; color: var(--muted); }
.pd-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.pd-card { display: block; padding: 18px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .15s, transform .15s; }
.pd-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.pd-card .icon { width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center; font-size: 20px; margin-bottom: 10px; }
.pd-card h3 { font-family: var(--serif); font-size: 15px; font-weight: 700; margin-bottom: 3px; }
.pd-card p { font-size: 12px; color: var(--ink-soft); line-height: 1.6; }
.pd-card .pd-go { margin-top: 8px; font-size: 12px; color: var(--accent); font-weight: 700; }
.pd-sub { margin: 26px 0 12px; font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--ink); display: flex; align-items: baseline; gap: 8px; }
.pd-sub-count { font-family: var(--font); font-size: 11.5px; color: var(--muted); font-weight: 400; }
.pd-more { padding: 18px 16px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); font-size: 13px; text-align: center; display: flex; align-items: center; justify-content: center; }

@media (max-width: 720px) {
  .payway-grid { grid-template-columns: 1fr; }
  .msplit { grid-template-columns: 1fr; }
  .mgrid { grid-template-columns: repeat(4, 1fr); }
  .hstep { grid-template-columns: 40px 1fr; gap: 12px; }
  .hnum { width: 34px; height: 34px; font-size: 15px; }
}
/* ===== 语言切换（中 / EN） ===== */
.nav-tools { display: flex; align-items: center; gap: 10px; }
.lang-toggle {
  border: 1px solid var(--line); background: #fff; color: var(--ink-soft);
  border-radius: var(--radius); padding: 6px 12px; font-size: 13px; font-weight: 600;
  font-family: var(--font); cursor: pointer; transition: border-color .15s, color .15s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

/* 英文简介较中文更长，卡片内按两行截断 */
.app-card p { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

/* ===== 真实截图展示（手机框 / 浏览器框） ===== */
.ss-shots { display: flex; gap: 26px; justify-content: center; align-items: flex-start; flex-wrap: wrap; }
.ss-phone {
  width: 252px; margin: 0; background: #fff; border: 2px solid var(--ink);
  border-radius: 30px; padding: 10px 9px 6px; box-shadow: 0 12px 28px rgba(47,42,36,.10);
}
.ss-phone::before { content: ''; display: block; width: 58px; height: 5px; border-radius: 999px; background: var(--ink); margin: 0 auto 8px; opacity: .75; }
.ss-phone img { width: 100%; height: auto; border-radius: 18px; background: var(--bg-soft); }
.ss-phone figcaption { text-align: center; padding: 9px 4px 6px; display: grid; gap: 1px; }
.ss-phone figcaption b { font-size: 13.5px; font-family: var(--serif); }
.ss-phone figcaption span { font-size: 11.5px; color: var(--muted); }
.ss-browser { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: 0 12px 32px rgba(47,42,36,.08); }
.ss-browser img { display: block; width: 100%; height: auto; background: var(--bg-soft); }
.ss-browser figcaption { text-align: center; font-size: 12.5px; color: var(--ink-soft); padding: 10px 12px 12px; }
/* 帮助页步骤内的截图 */
.hshot { margin: 16px 0 4px; }
.hshot-phone .ss-phone { width: 238px; }
.hshot-pc .ss-browser { max-width: 780px; }
.hshot-phone { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.hshot-phone .ss-phone + .ss-phone { margin-top: 0; }
.hshot-pc .ss-browser { display: block; }
.pc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-bottom: 16px; }
.pc-grid .ss-browser { max-width: none; }
.pc-grid .ss-browser img { aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }
@media (max-width: 720px) { .pc-grid { grid-template-columns: 1fr; } }
/* 截图点击放大 */
.img-zoom { cursor: zoom-in; }
.lightbox { position: fixed; inset: 0; z-index: 120; background: rgba(47,42,36,.82); display: flex; align-items: center; justify-content: center; padding: 24px; cursor: zoom-out; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(94vw, 1100px); max-height: 88vh; border-radius: 8px; background: #fff; box-shadow: 0 24px 70px rgba(0,0,0,.4); }

/* ===== 主页：行业业态卡片 ===== */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; }
.cat-card { display: block; padding: 26px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: border-color .15s, transform .15s; }
.cat-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.cat-card .cc-icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; font-size: 22px; background: var(--accent-soft); margin-bottom: 12px; }
.cat-card h3 { font-family: var(--serif); font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.cat-card .cc-num b { font-size: 12px; color: var(--accent); font-weight: 700; }
.cat-card p { margin-top: 8px; font-size: 12px; color: var(--muted); line-height: 1.7; }

/* ===== 主页：在线预约展示 ===== */
.book-demo { max-width: 760px; margin: 0 auto; display: flex; gap: 40px; align-items: center; justify-content: center; flex-wrap: wrap; }
.book-demo-side { max-width: 380px; }
.book-demo-side h3 { font-family: var(--serif); font-size: 17px; font-weight: 700; margin: 14px 0 6px; }
.book-demo-side p { font-size: 13px; color: var(--ink-soft); line-height: 1.8; }
.book-demo-side .book-note { margin-top: 10px; font-size: 12.5px; color: #7a4a12; background: #fdf6ec; border: 1px solid #f0e0c8; border-radius: var(--radius); padding: 10px 12px; }
@media (max-width: 720px) { .book-demo { gap: 22px; } }

/* ===== 主页：单机版时长档位 ===== */
.dchips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 2px; }
.dchip { border: 1px solid var(--line); border-radius: 999px; padding: 3px 11px; font-size: 12px; color: var(--ink-soft); background: #fff; }
.pc-rt { font-size: 12px; color: var(--muted); margin-top: 4px; }
