/* =============================================================
   独立版式主题：套餐商城（store）
   定位：卖卡的代理商。像逛店一样：黄底大字首屏、商品卡网格、服务保障条、底部常驻订卡栏。
   亮黄只用在首屏与留言区两处大色块；其余白底黑字，按钮一律墨黑。
   ============================================================= */

:root {
  --ink: #1c1b19;
  --ink-2: #45433e;
  --muted: #75726a;
  --paper: #ffffff;
  --surface: #f5f5f2;
  --line: #e6e4de;
  --yellow: #ffc727;
  --yellow-2: #ffd75e;
  --yellow-soft: #fff4cc;
  --ok: #1d8a4e;
  --err: #c0392b;
  --op-cm: #0a6bc4;
  --op-cu: #d22630;
  --op-ct: #1450b8;
  --r-lg: 18px;
  --r: 12px;
  --r-sm: 8px;
  --wrap: 1240px;
  --font: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.7; color: var(--ink); background: var(--paper); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.num { font-variant-numeric: tabular-nums; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 880px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 44px; padding: 0 22px; border-radius: 999px; border: 2px solid transparent; font-size: 15px; font-weight: 700; white-space: nowrap; transition: transform 0.15s, background-color 0.15s, color 0.15s; }
.btn-lg { height: 52px; padding: 0 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #000; transform: translateY(-1px); }
.btn-dark:disabled { opacity: 0.6; transform: none; cursor: default; }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
/* 表单提交按钮沿用 btn-primary 类名（与其他主题共享的表单模板），这里映射成墨黑 */
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #000; }
.btn-primary:disabled { opacity: 0.6; cursor: default; }

/* ---------- 页头 ---------- */
.utility { background: var(--ink); color: rgba(255, 255, 255, 0.72); font-size: 13px; }
.utility-inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.utility-right { display: flex; gap: 20px; }
.utility a:hover { color: #fff; }
.utility-phone { color: var(--yellow); font-weight: 700; }
.header { position: sticky; top: 0; z-index: 50; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; flex-shrink: 0; }
.logo img { height: 36px; width: auto; }
.logo-mark { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: var(--yellow); color: var(--ink); font-size: 18px; font-weight: 800; }
.nav { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1; }
.nav-item { position: relative; }
.nav-link { display: block; padding: 8px 14px; border-radius: 999px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
.nav-link:hover { background: var(--surface); color: var(--ink); }
.nav-link.is-active { background: var(--yellow-soft); color: var(--ink); }
.nav-sub { position: absolute; top: calc(100% + 8px); left: 50%; min-width: 180px; padding: 8px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r); box-shadow: 0 12px 32px rgba(28, 27, 25, 0.12); opacity: 0; visibility: hidden; transform: translate(-50%, 4px); transition: opacity 0.15s, transform 0.15s, visibility 0.15s; }
.nav-sub a { display: block; padding: 8px 12px; border-radius: var(--r-sm); font-size: 14px; }
.nav-sub a:hover { background: var(--yellow-soft); }
.nav-item:hover .nav-sub, .nav-item:focus-within .nav-sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-toggle { display: none; }

/* ---------- 首屏 ---------- */
.hero { background: var(--yellow); padding: 64px 0 40px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 48px; align-items: center; }
.hero-tag { display: inline-block; padding: 4px 14px; border-radius: 999px; background: var(--ink); color: var(--yellow); font-size: 14px; font-weight: 700; margin-bottom: 20px; }
.hero h1 { font-size: 60px; font-weight: 900; line-height: 1.12; letter-spacing: -0.02em; }
.hero-sub { margin-top: 20px; font-size: 18px; color: var(--ink-2); max-width: 30em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-slides { display: grid; }
.hero-slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity 0.5s, visibility 0.5s; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-dots { display: flex; gap: 8px; margin-top: 28px; }
.hero-dot { width: 10px; height: 10px; border: 2px solid var(--ink); border-radius: 50%; background: transparent; padding: 0; }
.hero-dot.is-active { background: var(--ink); }
.hero-media { display: grid; aspect-ratio: 4 / 3; border-radius: var(--r-lg); overflow: hidden; border: 3px solid var(--ink); background: var(--yellow-2); }
.hero-media .hero-bg { grid-area: 1 / 1; opacity: 0; transition: opacity 0.6s; }
.hero-media .hero-bg.is-active { opacity: 1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* 三张叠放的 SIM 卡 */
.sims { position: relative; height: 380px; }
.sim { position: absolute; width: 240px; height: 300px; padding: 26px; border-radius: 18px 60px 18px 18px; color: #fff; border: 3px solid var(--ink); box-shadow: 8px 8px 0 var(--ink); display: flex; flex-direction: column; justify-content: space-between; }
.sim b { font-size: 26px; font-weight: 900; align-self: flex-end; }
.sim-chip { width: 72px; height: 58px; border-radius: 10px; background: linear-gradient(135deg, #f3d27a, #c9a13d); border: 2px solid rgba(0, 0, 0, 0.25); }
.sim-ct { background: var(--op-ct); left: 4%; top: 40px; transform: rotate(-10deg); }
.sim-cu { background: var(--op-cu); left: 28%; top: 16px; transform: rotate(-2deg); }
.sim-cm { background: var(--op-cm); left: 52%; top: 44px; transform: rotate(8deg); }

.badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 48px; }
.badges li { display: flex; align-items: baseline; gap: 10px; padding: 12px 20px; background: var(--paper); border: 2px solid var(--ink); border-radius: 999px; }
.badges b { font-size: 24px; font-weight: 900; }
.badges small { font-size: 14px; font-weight: 700; margin-left: 2px; }
.badges span { font-size: 14px; color: var(--ink-2); font-weight: 600; }

/* ---------- 板块 ---------- */
.sec { padding: 80px 0; }
.sec-tight { padding: 40px 0; }
.sec-page { padding: 40px 0 88px; background: var(--surface); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 32px; }
.sec-head h2 { font-size: 36px; font-weight: 900; letter-spacing: -0.01em; }
.sec-head p { margin-top: 10px; color: var(--muted); font-size: 16px; max-width: 36em; }
.sec-more { flex-shrink: 0; display: inline-flex; align-items: center; height: 40px; padding: 0 18px; border: 2px solid var(--ink); border-radius: 999px; font-weight: 700; font-size: 14px; }
.sec-more:hover { background: var(--ink); color: #fff; }

/* 服务保障条 */
.promise { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--surface); border-radius: var(--r-lg); }
.promise li { display: flex; gap: 14px; padding: 26px 24px; }
.promise li + li { border-left: 1px solid var(--line); }
.promise-ico { flex-shrink: 0; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--yellow); }
.promise-ico svg { width: 22px; height: 22px; }
.promise h3 { font-size: 16px; font-weight: 800; }
.promise p { margin-top: 4px; font-size: 13px; color: var(--muted); line-height: 1.6; }

/* 商品卡 */
.goods-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; align-items: start; }
.goods { display: flex; flex-direction: column; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; }
.goods:hover { transform: translateY(-4px); border-color: var(--ink); box-shadow: 6px 6px 0 var(--ink); }
.goods-img { display: block; aspect-ratio: 16 / 10; background: var(--surface); }
.goods-img img { width: 100%; height: 100%; object-fit: cover; }
.goods-img-empty { display: grid; place-items: center; height: 100%; font-weight: 800; color: var(--muted); }
.goods-body { display: flex; flex-direction: column; gap: 8px; padding: 18px 18px 20px; flex: 1; }
.goods-name { font-size: 18px; font-weight: 800; }
.goods-sum { font-size: 14px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.goods-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; padding-top: 14px; border-top: 1px dashed var(--line); }
.goods-price { font-size: 13px; font-weight: 800; color: var(--op-cu); }
.goods-btn { padding: 6px 14px; border-radius: 999px; background: var(--yellow); font-size: 13px; font-weight: 800; }

/* 场景卡 */
.scene-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.scene { position: relative; display: block; border-radius: var(--r-lg); overflow: hidden; background: var(--ink); color: #fff; min-height: 220px; }
.scene img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: 0.55; transition: opacity 0.2s, transform 0.3s; }
.scene:hover img { opacity: 0.4; transform: scale(1.03); }
.scene-body { position: relative; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; min-height: 220px; padding: 22px; }
.scene-name { font-size: 22px; font-weight: 900; }
.scene-sum { margin-top: 6px; font-size: 14px; color: rgba(255, 255, 255, 0.85); }

/* 买卡之后 */
.sec-dark { background: var(--ink); color: #fff; }
.sec-dark .sec-head p { color: rgba(255, 255, 255, 0.65); }
.sec-dark .sec-more { border-color: var(--yellow); color: var(--yellow); }
.sec-dark .sec-more:hover { background: var(--yellow); color: var(--ink); }
.after { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.after li { padding: 28px 24px; border-radius: var(--r-lg); background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.1); }
.after h3 { font-size: 19px; font-weight: 800; color: var(--yellow); }
.after p { margin-top: 10px; font-size: 14px; color: rgba(255, 255, 255, 0.75); }

/* 资讯卡 */
.notes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.note { display: flex; flex-direction: column; gap: 10px; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-lg); transition: border-color 0.2s; }
.note:hover { border-color: var(--ink); }
.note time { font-size: 14px; font-weight: 800; color: var(--muted); }
.note h3 { font-size: 18px; font-weight: 800; line-height: 1.45; }
.note p { font-size: 14px; color: var(--muted); }
.sec-page .note { min-height: 100%; }

/* 伙伴 */
.partners { display: flex; align-items: center; gap: 32px; padding: 24px 28px; border: 1px solid var(--line); border-radius: var(--r-lg); }
.partners h2 { flex-shrink: 0; font-size: 16px; font-weight: 800; }
.partners ul { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 36px; }
.partners img { height: 36px; width: 120px; object-fit: contain; filter: grayscale(1); opacity: 0.7; }
.partners li:hover img { filter: none; opacity: 1; }

/* ---------- 留言区 ---------- */
.cta { background: var(--yellow); padding: 80px 0; }
.cta-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 500px); gap: 56px; align-items: center; }
.cta h2 { font-size: 44px; font-weight: 900; letter-spacing: -0.01em; line-height: 1.2; }
.cta-copy > p { margin-top: 16px; font-size: 18px; color: var(--ink-2); }
.cta-phone { display: inline-flex; flex-direction: column; margin-top: 32px; padding: 16px 24px; background: var(--ink); color: #fff; border-radius: var(--r); }
.cta-phone span { font-size: 13px; color: var(--yellow); font-weight: 700; }
.cta-phone b { font-size: 30px; font-weight: 900; }
.cta-time { margin-top: 12px !important; font-size: 14px !important; }
.lead-form { background: var(--paper); border: 3px solid var(--ink); border-radius: var(--r-lg); padding: 28px; box-shadow: 10px 10px 0 var(--ink); }
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 700; }
.field em { color: var(--err); font-style: normal; margin-left: 2px; }
.field input, .field textarea { width: 100%; height: 46px; padding: 0 14px; font: inherit; color: var(--ink); background: var(--surface); border: 2px solid transparent; border-radius: var(--r-sm); }
.field textarea { height: 90px; padding: 10px 14px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ink); background: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.captcha-row { align-items: end; }
.captcha-img { height: 46px; margin-bottom: 14px; border-radius: var(--r-sm); background: var(--surface); display: grid; place-items: center; font-size: 12px; color: var(--muted); cursor: pointer; overflow: hidden; }
.captcha-img img { height: 100%; width: auto; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { min-height: 1.5em; margin-top: 10px; font-size: 14px; font-weight: 600; }
.form-msg.is-ok { color: var(--ok); }
.form-msg.is-err { color: var(--err); }

/* ---------- 内页 ---------- */
.page-head { position: relative; background: var(--yellow); padding: 40px 0 44px; overflow: hidden; }
.page-head h1 { font-size: 40px; font-weight: 900; letter-spacing: -0.01em; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.crumbs a:hover { text-decoration: underline; }
.page-head.has-media { color: #fff; padding: 72px 0; background: var(--ink); }
.page-head-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.page-head.has-media .wrap { position: relative; }
.page-head.has-media .crumbs { color: rgba(255, 255, 255, 0.85); }

.pager { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 40px; }
.pager a, .pager span { padding: 8px 18px; border-radius: 999px; font-size: 14px; font-weight: 700; }
.pager a { background: var(--paper); border: 2px solid var(--ink); }
.pager a:hover { background: var(--ink); color: #fff; }
.pager .is-off { color: var(--muted); }

.tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 24px; }
.tags-label { font-size: 13px; font-weight: 700; color: var(--muted); margin-right: 4px; }
.tag { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 700; background: var(--paper); border: 1px solid var(--line); }
.tag:hover, .tag.is-active { background: var(--yellow); border-color: var(--yellow); }

.search { display: flex; gap: 12px; max-width: 640px; margin-bottom: 24px; }
.search input { flex: 1; height: 48px; padding: 0 20px; font: inherit; border: 2px solid var(--ink); border-radius: 999px; background: #fff; }
.search input:focus { outline: none; box-shadow: 0 0 0 4px var(--yellow); }
.search .btn { height: 48px; }
.search-meta { margin-bottom: 16px; color: var(--ink-2); }

.empty { display: grid; justify-items: center; gap: 12px; padding: 72px 0; color: var(--muted); background: var(--paper); border-radius: var(--r-lg); }
.empty svg { width: 40px; height: 40px; }

.sheet { background: var(--paper); border-radius: var(--r-lg); padding: 40px 48px; }
.narrow-sheet { max-width: 880px; margin: 0 auto; }
.art-head { margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.art-head h1 { font-size: 30px; font-weight: 900; line-height: 1.35; }
.art-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.art-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 880px; margin: 24px auto 0; font-size: 14px; }
.art-nav > div { padding: 16px 20px; background: var(--paper); border-radius: var(--r); }
.art-nav span { display: block; font-size: 12px; color: var(--muted); font-weight: 700; }
.art-nav a:hover { text-decoration: underline; }
.art-nav em { font-style: normal; color: var(--muted); }
.art-nav > div:last-child { text-align: right; }

.pd { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; padding: 32px; background: var(--paper); border-radius: var(--r-lg); }
.pd-img { border-radius: var(--r); overflow: hidden; background: var(--surface); }
.pd-img img { width: 100%; height: auto; }
.pd-info { display: flex; flex-direction: column; gap: 16px; }
.pd-info h1 { font-size: 34px; font-weight: 900; line-height: 1.25; }
.pd-sum { font-size: 17px; color: var(--ink-2); }
.pd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.pd-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; padding-top: 12px; }
.pd-meta { font-size: 13px; color: var(--muted); }
.pd-detail { margin-top: 24px; }
.pd-detail-title { font-size: 22px; font-weight: 900; margin: 32px 0 16px; }

.prose { font-size: 16px; line-height: 1.85; overflow-wrap: anywhere; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 22px; font-weight: 800; margin-top: 1.8em; }
.prose h3 { font-size: 18px; font-weight: 800; margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li::marker { color: var(--ink); }
.prose a { text-decoration: underline; text-decoration-color: var(--yellow); text-decoration-thickness: 3px; text-underline-offset: 3px; }
.prose img { border-radius: var(--r); margin: 1.2em auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: 14px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.prose th { background: var(--surface); }
.prose blockquote { margin: 1.2em 0; padding: 12px 18px; background: var(--yellow-soft); border-radius: var(--r-sm); }

/* ---------- 下载页 ---------- */
.app { background: var(--yellow); padding: 40px 0 64px; }
.app-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; align-items: center; }
.app .crumbs { margin-bottom: 20px; }
.app-head { display: flex; align-items: center; gap: 20px; }
.app-icon { width: 88px; height: 88px; border-radius: 22px; border: 3px solid var(--ink); }
.app-icon-empty { display: grid; place-items: center; background: var(--ink); color: var(--yellow); font-size: 36px; font-weight: 900; }
.app-head h1 { font-size: 40px; font-weight: 900; }
.app-slogan { margin-top: 4px; font-size: 17px; color: var(--ink-2); }
.app-spec { display: flex; gap: 12px; margin: 28px 0; }
.app-spec div { padding: 8px 16px; background: var(--paper); border-radius: 999px; border: 2px solid var(--ink); display: flex; gap: 8px; align-items: baseline; }
.app-spec dt { font-size: 12px; color: var(--muted); font-weight: 700; }
.app-spec dd { font-weight: 800; }
.app-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.app-tip { margin-top: 16px; color: var(--ink-2); }
.app-qr { background: var(--paper); border: 3px solid var(--ink); border-radius: var(--r-lg); padding: 20px; text-align: center; box-shadow: 8px 8px 0 var(--ink); }
.qr-tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface); border-radius: 999px; margin-bottom: 16px; }
.qr-tab { flex: 1; border: 0; background: none; padding: 6px; border-radius: 999px; font-size: 13px; font-weight: 700; color: var(--muted); }
.qr-tab.is-active { background: var(--ink); color: #fff; }
.qr-panel { display: none; }
.qr-panel.is-active { display: block; }
.qr-img { width: 200px; margin: 0 auto 12px; }
.qr-img svg { display: block; width: 100%; height: auto; }
.qr-panel p { font-size: 13px; color: var(--muted); }
.stores { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.stores a { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border: 2px solid var(--ink); border-radius: 999px; font-weight: 700; }
.stores a:hover { background: var(--yellow); }
.shots { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.shots img { height: 480px; width: auto; border-radius: 20px; border: 3px solid var(--ink); flex-shrink: 0; }
.sec-tint { background: var(--surface); }
.narrow .sec-head { margin-bottom: 20px; }
.notice { background: var(--surface); border-radius: var(--r-lg); padding: 28px 32px; }
.notice h3 { font-size: 18px; font-weight: 800; margin-bottom: 12px; }
.notice li { padding: 8px 0; color: var(--ink-2); }
.notice li + li { border-top: 1px solid var(--line); }

/* ---------- 页脚 ---------- */
.footer { background: var(--surface); padding: 64px 0 32px; font-size: 14px; color: var(--ink-2); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)) auto; gap: 40px; }
.footer-brand p { margin-top: 16px; max-width: 26em; color: var(--muted); }
.footer h4 { font-size: 15px; font-weight: 800; color: var(--ink); margin-bottom: 14px; }
.footer-col li + li { margin-top: 8px; }
.footer-col a:hover { text-decoration: underline; }
.footer-contact p + p { margin-top: 6px; }
.footer-phone { font-size: 22px; font-weight: 900; color: var(--ink); }
.footer-qr { margin: 0; text-align: center; font-size: 12px; color: var(--muted); }
.footer-qr img { width: 104px; height: 104px; margin-bottom: 6px; border-radius: var(--r-sm); background: #fff; padding: 4px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }
.dock { display: none; }
.back-top { position: fixed; right: 24px; bottom: 24px; z-index: 40; width: 48px; height: 48px; display: grid; place-items: center; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); color: var(--ink); opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s; }
.back-top svg { width: 22px; height: 22px; }
.back-top.is-visible { opacity: 1; visibility: visible; }

.theme-preview-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 100; padding: 10px 16px; background: #fff7e0; border-top: 1px solid #f0d58a; color: #7a5a00; font-size: 13px; text-align: center; }

/* ---------- 窄屏 ---------- */
@media (max-width: 1100px) {
  .goods-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .promise { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .promise li:nth-child(3) { border-left: 0; }
  .promise li:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .after { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .utility { display: none; }
  .header-inner { height: 60px; }
  .header-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; width: 42px; height: 42px; margin-left: auto; border: 2px solid var(--ink); border-radius: 50%; background: var(--yellow); }
  .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after { display: block; width: 16px; height: 2px; background: var(--ink); position: relative; }
  .nav-toggle span::before, .nav-toggle span::after { content: ''; position: absolute; left: 0; }
  .nav-toggle span::before { top: -5px; }
  .nav-toggle span::after { top: 5px; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 4px; padding: 12px 16px 20px; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08); }
  .nav.is-open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: var(--r-sm); }
  .nav-sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 0 16px; }
  .hero { padding: 40px 0 32px; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero h1 { font-size: 40px; }
  .hero-sub { font-size: 16px; }
  .sims { height: 240px; max-width: 420px; }
  .sim { width: 150px; height: 190px; padding: 16px; box-shadow: 5px 5px 0 var(--ink); }
  .sim b { font-size: 18px; }
  .sim-chip { width: 48px; height: 38px; }
  .badges { margin-top: 24px; }
  .sec { padding: 56px 0; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .sec-head h2 { font-size: 28px; }
  .goods-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .scene-grid, .notes { grid-template-columns: 1fr; }
  .partners { flex-direction: column; align-items: flex-start; }
  .cta { padding: 56px 0 72px; }
  .cta-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta h2 { font-size: 32px; }
  .lead-form { box-shadow: 6px 6px 0 var(--ink); }
  .pd { grid-template-columns: 1fr; padding: 20px; gap: 20px; }
  .pd-info h1 { font-size: 26px; }
  .sheet { padding: 24px 20px; }
  .app-grid { grid-template-columns: 1fr; }
  .footer { padding-bottom: 96px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .dock { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 8px; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: var(--paper); border-top: 1px solid var(--line); }
  .dock a { display: grid; place-items: center; height: 46px; border-radius: 999px; font-weight: 800; }
  .dock-call { border: 2px solid var(--ink); }
  .dock-lead { background: var(--ink); color: #fff; }
  .back-top { bottom: 84px; right: 16px; }
  .theme-preview-bar { bottom: 62px; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .hero h1 { font-size: 34px; }
  .badges li { padding: 8px 14px; }
  .badges b { font-size: 20px; }
  .promise { grid-template-columns: 1fr; }
  .promise li + li { border-left: 0; border-top: 1px solid var(--line); }
  .goods-body { padding: 14px; }
  .goods-name { font-size: 16px; }
  .goods-foot { display: none; }
  .after { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .captcha-row { grid-template-columns: 1fr 120px; gap: 12px; }
  .lead-form { padding: 20px; }
  .page-head h1 { font-size: 30px; }
  .art-nav { grid-template-columns: 1fr; }
  .art-nav > div:last-child { text-align: left; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}