/* ==========================================================================
   NovaCloud 设计系统 — 移动优先、零依赖、system font（无字体请求，利于 LCP）
   ========================================================================== */
:root {
  --brand: #4f7bff;
  --brand-600: #3a63e8;
  --brand-700: #2d4fc4;
  --accent: #7a5cff;
  --cyan: #22d3ee;
  --ink: #0f172a;
  --ink-2: #1e293b;
  --muted: #64748b;
  /* ⛔ --muted-2 必须 ≥4.5:1（白底）—— 它专门用于**小字**（博客日期/阅读时长、
     面包屑分隔符、表格「无」标记、目录编号），小字没有「大字号放宽到 3:1」的豁免。
     原来是 #94a3b8（**2.56:1**），Lighthouse「无障碍」直接报「对比度不足」（90 分里的一项）。
     现取 #6b7280（4.83:1）—— 刚好达标，且仍比 --muted(#64748b, 4.76:1) 略浅，保留层次。 */
  --muted-2: #6b7280;
  --line: #e6eaf2;
  --line-2: #eef1f6;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-soft-2: #eff3fa;
  --white: #fff;
  --ok: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .04);
  --shadow: 0 4px 16px rgba(15, 23, 42, .08), 0 1px 3px rgba(15, 23, 42, .05);
  --shadow-lg: 0 18px 48px rgba(15, 23, 42, .12), 0 4px 12px rgba(15, 23, 42, .06);
  --ff: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --ff-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --maxw: 1160px;
  --gut: 20px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-600); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; color: var(--ink); }
h1 { font-size: clamp(1.75rem, 1.2rem + 2.4vw, 2.75rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1.2vw, 1.9rem); }
h3 { font-size: clamp(1.1rem, 1rem + .5vw, 1.3rem); }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 6px; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding: clamp(48px, 7vw, 88px) 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: clamp(32px, 4vw, 56px) 0; }
.sec-head { max-width: 720px; margin-bottom: clamp(28px, 4vw, 48px); }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head p { color: var(--muted); font-size: 1.05rem; margin-bottom: 0; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--brand-600); margin-bottom: .6em;
}

/* ── 跳转链接 ── */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ── 按钮 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; line-height: 1; padding: 13px 22px;
  border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  text-decoration: none; white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff; box-shadow: 0 6px 20px rgba(79, 123, 255, .3); }
.btn-primary:hover { box-shadow: 0 10px 28px rgba(79, 123, 255, .42); color: #fff; }
.btn-ghost { background: var(--white); color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-600); }
.btn-onDark { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.34); backdrop-filter: blur(6px); }
.btn-onDark:hover { background: rgba(255,255,255,.22); color: #fff; }
.btn-sm { padding: 10px 16px; font-size: .9rem; }
.btn .ic { flex: none; }

/* ── 页头 ── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88); backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line-2);
}
.hdr { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.12rem; color: var(--ink); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-name { background: linear-gradient(120deg, var(--ink), #33456b); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav { margin-left: auto; }
.nav-list { display: none; list-style: none; margin: 0; padding: 0; gap: 4px; }
.nav-list a {
  display: block; padding: 9px 13px; border-radius: 9px; color: var(--ink-2);
  font-weight: 500; font-size: .95rem; text-decoration: none;
}
.nav-list a:hover { background: var(--bg-soft); color: var(--ink); text-decoration: none; }
.nav-list a[aria-current="page"] { color: var(--brand-600); background: rgba(79,123,255,.09); font-weight: 600; }
.hdr-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 0 9px; border: 1px solid var(--line);
  background: var(--white); border-radius: 10px; cursor: pointer; order: 3;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 语言切换 */
.langsw { position: relative; }
.langsw-btn {
  display: inline-flex; align-items: center; gap: 6px; height: 42px; padding: 0 12px;
  border: 1px solid var(--line); background: var(--white); border-radius: 10px;
  font: inherit; font-size: .88rem; font-weight: 600; color: var(--ink-2); cursor: pointer;
}
.langsw-btn:hover { border-color: var(--brand); color: var(--brand-600); }
.langsw-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 168px;
  background: var(--white); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-lg); list-style: none; margin: 0; padding: 6px; z-index: 50;
}
.langsw-menu[hidden] { display: none; }
.langsw-menu a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink-2); font-size: .9rem; }
.langsw-menu a:hover { background: var(--bg-soft); text-decoration: none; }
.langsw-menu a.is-active { color: var(--brand-600); font-weight: 700; background: rgba(79,123,255,.08); }

/* 移动端展开菜单 */
@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 64px 0 auto; margin: 0; background: var(--white);
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow-lg);
    max-height: calc(100dvh - 64px); overflow: auto; display: none;
  }
  .nav.is-open { display: block; }
  .nav-list { display: block; padding: 10px var(--gut) 18px; }
  .nav-list li + li { border-top: 1px solid var(--line-2); }
  .nav-list a { padding: 13px 4px; font-size: 1rem; }
}
@media (min-width: 901px) {
  .nav-list { display: flex; }
  .nav-toggle { display: none; }
}
@media (max-width: 560px) {
  .hdr-actions .btn { display: none; }
  .langsw-btn span { display: none; }
  .langsw-btn { padding: 0 10px; }
}

/* ── 「更多」下拉 ── */
.nav-more { position: relative; }
.nav-more-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 9px 13px; border: 0; background: none; cursor: pointer;
  font: inherit; font-weight: 500; font-size: .95rem; color: var(--ink-2); border-radius: 9px;
}
.nav-more-btn:hover { background: var(--bg-soft); }
.nav-more-btn svg { transition: transform .18s ease; }
.nav-more-btn[aria-expanded="true"] svg { transform: rotate(180deg); }
.nav-more-menu {
  position: absolute; right: 0; top: calc(100% + 4px); min-width: 168px;
  background: var(--white); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--shadow-lg); list-style: none; margin: 0; padding: 6px; z-index: 60;
}
.nav-more-menu[hidden] { display: none; }
.nav-more-menu a {
  display: block; padding: 9px 12px; border-radius: 8px;
  color: var(--ink-2); font-size: .92rem; text-decoration: none;
}
.nav-more-menu a:hover { background: var(--bg-soft); text-decoration: none; }
.nav-more-menu a[aria-current="page"] { color: var(--brand-600); background: rgba(79,123,255,.09); font-weight: 600; }
/* 当前页在「更多」里时，按钮本身也标出来 */
.nav-more.is-current .nav-more-btn { color: var(--brand-600); background: rgba(79,123,255,.09); font-weight: 600; }

@media (max-width: 900px) {
  .nav-more { width: 100%; }
  .nav-more-btn { width: 100%; justify-content: space-between; padding: 13px 4px; }
  .nav-more-menu {
    position: static; box-shadow: none; border: 0; border-top: 1px solid var(--line-2);
    border-radius: 0; padding: 6px 0 10px; margin: 4px 0 0;
  }
  .nav-more-menu a { padding: 12px 4px; font-size: 1rem; }
}

/* ── 充值下单表单（单页卡片式，对齐原站 account / recharge 页面）─────────
   形态要点：厂商卡片组 + 单行输入 + 金额卡片组 + 吸底汇总条。
   步骤条是装饰性的（原站就是纯展示），所以不再有面板切换与上下步按钮。
   ---------------------------------------------------------------------- */




/* 表单主卡：一屏可见的三块 */







/* 卡片按钮组 */






/* 选中态：厂商用各自品牌色（--pick-accent 由模板内联），金额档用品牌蓝 */



/* 选中角标 */









/* 单行输入 */




/* ── 充值页（跳转页）────────────────────────────────────────────────────
   本站不做下单表单，只负责把用户跳到充值系统，同时留足 SEO 内容。
   跳转区必须在首屏最显眼 —— 用户来这个页面的目的就是点进去。 */
.jump-hero {
  text-align: center; padding: clamp(30px, 5vw, 54px) clamp(18px, 3vw, 40px);
  background: linear-gradient(135deg, rgba(79,123,255,.07), rgba(122,92,255,.07));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* ── 右下角常驻「自助充值」悬浮球 ──────────────────────────────────────
   形态对齐 matatacloud.com 的 .bounce-btn（浏览器实测参数）：
     桌面 127×127 · right 35px · 渐变 #046BD2→#00C6FF · 圆形 · 24px 白字 · 1.5s 弹跳
     移动 90×90 · 16px 字
   ⚠️ fixed 元素在 iOS Safari 上会随滚动漂移，用 top 而非 bottom 定位可减轻。
   ⚠️ z-index 要高于页头（60）与语言切换（9999 之下），但别盖住模态框。 */
.float-cta {
  position: fixed;
  right: 35px;
  top: 42%;                 /* 不用 bottom：iOS 上 fixed+bottom 会随地址栏漂移 */
  width: 127px;
  height: 127px;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #046bd2, #00c6ff);
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(4, 107, 210, .32);
  animation: float-cta-bounce 1.5s ease-in-out infinite;
  transition: transform .18s ease, box-shadow .18s ease;
}
.float-cta:hover {
  transform: scale(1.06);
  box-shadow: 0 12px 32px rgba(4, 107, 210, .42);
  text-decoration: none;
  color: #fff;
}
.float-cta:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
}
@keyframes float-cta-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}
@media (prefers-reduced-motion: reduce) {
  .float-cta { animation: none; }
  .float-cta:hover { transform: none; }
}
/* 移动端缩小（实测原站 90×90 / 16px 字 / right 保持 35px） */
@media (max-width: 640px) {
  .float-cta { width: 90px; height: 90px; font-size: 16px; right: 20px; }
}
.jump-eyebrow {
  margin: 0 0 10px; font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--brand-600);
}
.jump-title { margin: 0 0 12px; font-size: clamp(1.5rem, 3.4vw, 2.1rem); }
.jump-sub {
  margin: 0 auto 26px; max-width: 620px;
  font-size: 1rem; line-height: 1.75; color: var(--muted);
}
.jump-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.jump-actions .btn-lg { padding: 15px 28px; font-size: 1.04rem; }
.jump-note { margin: 20px 0 0; font-size: .84rem; color: var(--muted-2); }

/* 档位对照表：缺档用 — 占位对齐 */
.tier-table { font-size: .92rem; }
.tier-table th[scope="row"] { text-align: left; white-space: nowrap; font-weight: 700; }
.tier-table td { text-align: center; }
.tier-table td.is-none { color: var(--muted-2); }
.tier-table td b { display: block; font-family: var(--ff-mono); font-size: 1rem; }
.tier-off { display: block; margin-top: 2px; font-size: .72rem; color: var(--brand-600); font-weight: 600; }

/* 支付方式三格 */
.pay-facts { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.pay-fact {
  padding: 18px 20px; background: var(--white);
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-sm);
}
.pay-fact-k { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 6px; }
.pay-fact-v { font-size: 1.16rem; font-weight: 800; color: var(--ink); }
.pay-fact-v em { display: block; margin-top: 3px; font-style: normal; font-size: .74rem; font-weight: 500; color: var(--muted); }

.btn-lg { padding: 14px 26px; font-size: 1.02rem; }

/* 汇总条：与原站一致，是**文档流里的一张卡**（不是 sticky 浮层）。
   试过 position:sticky; bottom:0 —— 它会盖住大半个表单（自身高度约 200px，
   移动端更高），厂商与金额卡片被完全遮住，反而比不吸底更难用。
   原站的汇总条同样在表单下方常驻，不悬浮。 */


/* 承诺书链接：勾选框里点得开。必须看起来是链接（蓝色 + 下划线），
   否则用户不知道这句书名号是可点的，也就没有承诺书可读。 */










/* ── 旧「充值下单向导」保留样式（mode-card 等非表单场景仍在用）────────── */

@media (min-width: 760px) {  }









/* 步骤条 */




/* 面板 —— 已随「五步向导」一同移除（改为单页卡片式），保留 .field 系列给文章页复用 */

/* 字段 */




.field-hint { display: block; margin-top: 6px; font-size: .84rem; color: var(--muted); }






/* 实时算价 —— 汇总条样式见上方 .tp-sum，这里只留 .pay-amount（收款卡内）*/











/* ── 两种充值方式卡片（保留，供非表单场景）── */







/* 折扣档位标签 */


/* GCP 注意事项列表 */
.gcp-notes { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 10px; }
.gcp-notes li {
  position: relative; padding: 12px 16px 12px 40px; background: var(--bg-soft);
  border-radius: 10px; font-size: .9rem; color: var(--ink-2); line-height: 1.65;
}
.gcp-notes li::before {
  content: counter(gn); counter-increment: gn; position: absolute; left: 14px; top: 12px;
  width: 18px; height: 18px; border-radius: 50%; background: var(--warn); color: #fff;
  font-size: .68rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center;
}
.gcp-notes { counter-reset: gn; }

/* ── 面包屑 ── */
.crumbs { border-bottom: 1px solid var(--line-2); background: var(--bg-soft); font-size: .86rem; }
.crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 11px 0; }
.crumbs li + li::before { content: "/"; color: var(--muted-2); margin-right: 6px; }
.crumbs a { color: var(--muted); }
.crumbs [aria-current] { color: var(--ink-2); font-weight: 600; }

/* ── Hero ── */
.hero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(120% 130% at 15% 0%, #1b2a63 0%, #101a3d 42%, #0b1128 100%);
  padding: clamp(56px, 9vw, 108px) 0 clamp(60px, 9vw, 110px);
}
.hero::before {
  content: ""; position: absolute; inset: -30% -20% auto -20%; height: 130%;
  background:
    radial-gradient(38% 46% at 22% 32%, rgba(79,123,255,.42), transparent 68%),
    radial-gradient(32% 40% at 74% 22%, rgba(122,92,255,.34), transparent 66%),
    radial-gradient(30% 44% at 52% 78%, rgba(34,211,238,.2), transparent 70%);
  filter: blur(6px); pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .4;
  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: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 78%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 78%);
}
.hero .container { position: relative; z-index: 2; }
.hero-grid { display: grid; gap: clamp(30px, 4vw, 56px); align-items: center; }
@media (min-width: 940px) { .hero-grid { grid-template-columns: 1.08fr .92fr; } }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  border-radius: 999px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  font-size: .82rem; font-weight: 600; letter-spacing: .02em; margin-bottom: 20px;
}
.hero h1 { color: #fff; margin-bottom: .38em; max-width: 15ch; }
.hero .lede { font-size: clamp(1.02rem, .96rem + .3vw, 1.18rem); color: rgba(255,255,255,.82); max-width: 56ch; margin-bottom: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 10px 30px; list-style: none; margin: 0; padding: 0; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats b { font-size: 1.3rem; font-weight: 800; letter-spacing: -.02em; }
.hero-stats span { font-size: .8rem; color: rgba(255,255,255,.64); }

/* 终端卡片 */
.term {
  background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg); backdrop-filter: blur(10px); box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.term-bar { display: flex; align-items: center; gap: 7px; padding: 11px 15px; border-bottom: 1px solid rgba(255,255,255,.1); }
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.24); }
.term-bar i:nth-child(1) { background: #ff5f57; } .term-bar i:nth-child(2) { background: #febc2e; } .term-bar i:nth-child(3) { background: #28c840; }
.term-bar em { margin-left: auto; font-style: normal; font-size: .76rem; color: rgba(255,255,255,.5); }
.term-body { padding: 16px 17px; font-family: var(--ff-mono); font-size: .82rem; line-height: 1.85; color: rgba(255,255,255,.86); }
.term-body .k { color: #7ee0ff; } .term-body .s { color: #a5e8b0; } .term-body .c { color: rgba(255,255,255,.42); } .term-body .n { color: #ffd28a; }
.term-rows { list-style: none; margin: 0; padding: 4px 0; display: grid; gap: 2px; }
.term-rows li { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px dashed rgba(255,255,255,.1); }
.term-rows li:last-child { border-bottom: 0; }
.term-rows b { font-weight: 600; color: #7ee0ff; }

/* ── 卡片网格 ── */
.grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 620px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 22px; box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
a.card { color: inherit; text-decoration: none; }
a.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #c7d6f8; text-decoration: none; }
.card-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 15px;
  background: linear-gradient(135deg, rgba(79,123,255,.12), rgba(122,92,255,.12));
  color: var(--brand-600);
}
.card h3 { margin-bottom: .3em; font-size: 1.08rem; }
.card p { color: var(--muted); margin: 0; font-size: .95rem; }
.card ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); font-size: .9rem; }
.card ul li { margin-bottom: 5px; }
.card ul li::marker { color: var(--brand); }
.card-more { margin-top: auto; padding-top: 16px; display: inline-flex; align-items: center; gap: 6px; color: var(--brand-600); font-weight: 600; font-size: .9rem; }
.card-more .ic { transition: transform .18s ease; }
a.card:hover .card-more .ic { transform: translateX(3px); }

/* ── 特性卡（图文） ── */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature .card-ic { flex: none; margin-bottom: 0; }

/* ── 统计条 ── */
.stats { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 860px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-align: center; box-shadow: var(--shadow-sm); }
.stat b { display: block; font-size: clamp(1.4rem, 1.1rem + 1vw, 1.9rem); font-weight: 800; letter-spacing: -.02em;
  background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat span { font-size: .86rem; color: var(--muted); }

/* ── 流程步骤 ── */
.steps { display: grid; gap: 14px; counter-reset: step; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 20px 20px; box-shadow: var(--shadow-sm); }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -12px; left: 20px;
  font-family: var(--ff-mono); font-size: .78rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  padding: 4px 10px; border-radius: 999px; box-shadow: var(--shadow-sm);
}
.step h3 { font-size: 1rem; margin: 6px 0 .35em; }
.step p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ── 区域标签 ── */
.regions { display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 0; padding: 0; }
.regions li {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px; border-radius: 999px; background: var(--white);
  border: 1px solid var(--line); font-size: .88rem; color: var(--ink-2); font-weight: 500;
}
.regions li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(16,185,129,.16); }

/* ── FAQ ── */
.faq-list { display: grid; gap: 12px; }
.faq-item { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
  width: 100%; padding: 18px 20px; background: none; border: 0; cursor: pointer;
  font: inherit; font-weight: 600; font-size: 1rem; color: var(--ink); text-align: left;
}
.faq-q:hover { color: var(--brand-600); }
.faq-q .ic { flex: none; color: var(--brand); transition: transform .2s ease; margin-top: 2px; }
.faq-q[aria-expanded="true"] .ic { transform: rotate(45deg); }
.faq-a { padding: 0 20px 20px; color: var(--muted); }
.faq-a[hidden] { display: none; }
.faq-a p { margin: 0; }
/* 详情页的静态 FAQ（h3 + p，不折叠）—— 与首页的按钮折叠版共用 `.faq-item` 卡片外观。
   用静态展开而非折叠，是为了让问答内容对抓取器完全可见（见 pages.js 的 faqBlockHtml）。 */
.faq-item > h3 { margin: 0; padding: 18px 20px 0; font-size: 1rem; }
.faq-item > p { margin: 0; padding: 8px 20px 18px; color: var(--muted); }

/* ── 文章 ── */
.post-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .post-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .post-grid { grid-template-columns: repeat(3, 1fr); } }
.post-card { display: flex; flex-direction: column; }
.post-card .cat {
  display: inline-flex; align-self: flex-start; padding: 4px 11px; border-radius: 999px;
  background: rgba(79,123,255,.1); color: var(--brand-600);
  font-size: .74rem; font-weight: 700; letter-spacing: .03em; margin-bottom: 12px;
}
.post-card h3 { font-size: 1.06rem; margin-bottom: .4em; }
.post-card p { flex: 1; }
.post-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .8rem; color: var(--muted-2); margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line-2); }

/* 文章正文 */
.article-wrap { display: grid; gap: 32px; }
@media (min-width: 1000px) { .article-wrap { grid-template-columns: minmax(0, 1fr) 250px; align-items: start; } }
.article { max-width: 74ch; }
.article > header { margin-bottom: 30px; }
.article h2 { margin-top: 2em; padding-top: .2em; }
.article h3 { margin-top: 1.6em; }
.article ul, .article ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.article li { margin-bottom: .5em; }
.article li::marker { color: var(--brand); }
.article code {
  font-family: var(--ff-mono); font-size: .875em; background: var(--bg-soft-2);
  padding: .15em .42em; border-radius: 5px; color: var(--brand-700);
}
.article blockquote {
  margin: 1.6em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--brand);
  color: var(--ink-2); font-style: italic;
}
/* 多行代码块（inline() 检测到代码段含换行时输出） */
.article pre.code-block {
  margin: 1.3em 0; padding: 14px 16px;
  background: var(--ink); color: #e6edf7;
  border-radius: var(--radius); overflow-x: auto;
  font-family: var(--ff-mono); font-size: .85rem; line-height: 1.65;
}
.article pre.code-block code {
  background: none; padding: 0; color: inherit; font-size: inherit;
  white-space: pre;
}
.article .table-wrap { overflow-x: auto; margin: 1.5em 0; border: 1px solid var(--line); border-radius: var(--radius); }
.article table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.article th, .article td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line-2); vertical-align: top; }
.article th { background: var(--bg-soft); font-weight: 700; font-size: .86rem; color: var(--ink-2); white-space: nowrap; }
.article tr:last-child td { border-bottom: 0; }
.callout { display: flex; gap: 13px; padding: 16px 18px; border-radius: var(--radius); margin: 1.5em 0; font-size: .95rem; border: 1px solid; }
.callout .ic { flex: none; margin-top: 2px; }
/* 「{厂商} 账号怎么买」四步流程 —— 厂商总览页的转化区块。
   刻意不用卡片网格：用有序列表读起来就是「流程」，语义与视觉一致。
   序号做成圆形徽标，视觉上强调「第几步」。 */
.howto { list-style: none; counter-reset: howto; margin: 1.4em 0; padding: 0; display: grid; gap: 18px; }
.howto li { display: flex; gap: 14px; align-items: flex-start; }
.howto-num {
  flex: none; width: 28px; height: 28px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand-50, #E6F1FB); color: var(--brand-700, #185FA5);
  font-weight: 700; font-size: .84rem;
}
.howto strong { display: block; font-size: 1rem; margin-bottom: 3px; }
.howto p { margin: 0; color: var(--ink-2); font-size: .93rem; }
.callout--tip { background: rgba(79,123,255,.06); border-color: rgba(79,123,255,.22); color: #1e3a8a; }
.callout--warn { background: rgba(245,158,11,.08); border-color: rgba(245,158,11,.3); color: #78350f; }
.callout--info { background: rgba(16,185,129,.07); border-color: rgba(16,185,129,.26); color: #065f46; }
.callout p { margin: 0; }
.callout strong { display: block; margin-bottom: 3px; }

/* 目录 */
.toc { position: sticky; top: 88px; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.toc h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 12px; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; margin-bottom: 8px; }
.toc a { font-size: .89rem; color: var(--muted); display: block; padding: 4px 0 4px 22px; position: relative; text-decoration: none; }
.toc a::before { content: counter(toc); position: absolute; left: 0; top: 4px; font-size: .72rem; color: var(--muted-2); font-family: var(--ff-mono); }
.toc a:hover { color: var(--brand-600); }
@media (max-width: 999px) { .toc { position: static; } }

/* ── 通用页面头 ── */
.page-head { background: var(--bg-soft); border-bottom: 1px solid var(--line-2); padding: clamp(34px, 5vw, 60px) 0; }
.page-head h1 { margin-bottom: .35em; }
.page-head .lede { color: var(--muted); font-size: 1.06rem; max-width: 62ch; margin-bottom: 0; }

/* ── CTA 区块 ── */
.cta-band {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: radial-gradient(120% 140% at 20% 0%, #21306e, #101a3d);
  color: #fff; padding: clamp(30px, 4vw, 48px); text-align: center;
}
.cta-band::before {
  content: ""; position: absolute; inset: -50% -10% auto -10%; height: 160%;
  background: radial-gradient(40% 46% at 26% 40%, rgba(79,123,255,.4), transparent 70%),
              radial-gradient(34% 40% at 76% 30%, rgba(122,92,255,.32), transparent 68%);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.78); max-width: 52ch; margin-inline: auto; }
.cta-band .hero-cta { justify-content: center; margin-bottom: 0; }

/* ── 时间线 ── */
.timeline { list-style: none; margin: 0; padding: 0 0 0 26px; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding-bottom: 26px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -32px; top: 6px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--white); border: 2.5px solid var(--brand);
}
.timeline .yr { font-family: var(--ff-mono); font-size: .82rem; font-weight: 700; color: var(--brand-600); }
.timeline p { margin: 3px 0 0; color: var(--muted); font-size: .95rem; }

/* ── 资质标签 ── */
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.badge-row li {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px;
  background: var(--white); border: 1px solid var(--line); border-radius: 999px;
  font-size: .89rem; font-weight: 600; color: var(--ink-2);
}
.badge-row .ic { color: var(--ok); }

/* ── 联系卡 ── */
.contact-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }

/* ── 页脚 ── */
.site-footer { background: var(--bg-soft); border-top: 1px solid var(--line-2); margin-top: 0; padding-top: clamp(40px, 5vw, 64px); }
.foot-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .foot-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 24px; } }
.foot-intro { color: var(--muted); font-size: .92rem; margin: 14px 0 16px; max-width: 40ch; }
.foot-contact { display: grid; gap: 9px; }
.foot-contact a { display: inline-flex; align-items: center; gap: 9px; color: var(--ink-2); font-size: .9rem; }
.foot-contact a:hover { color: var(--brand-600); }
.foot-col h2 { font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 14px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot-col a { color: var(--ink-2); font-size: .91rem; }
.foot-col a:hover { color: var(--brand-600); }
.foot-bar {
  display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between;
  margin-top: clamp(30px, 4vw, 46px); padding: 20px 0 26px;
  border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted);
}
.foot-bar p { margin: 0; }
.foot-disc { opacity: .82; }

/* ── 云厂商卡（clouds）── */
.cloud-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 24px 22px; box-shadow: var(--shadow-sm); color: inherit; text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.cloud-card::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--accent, var(--brand));
}
.cloud-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow); text-decoration: none;
  border-color: color-mix(in srgb, var(--accent, var(--brand)) 40%, var(--line));
}
.cloud-brand {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  padding: 5px 12px; border-radius: 8px; margin-bottom: 14px;
  font-weight: 800; font-size: .92rem; letter-spacing: -.01em;
  color: var(--accent, var(--brand));
  background: color-mix(in srgb, var(--accent, var(--brand)) 10%, transparent);
}
.cloud-hl {
  position: absolute; top: -10px; right: 14px; padding: 3px 11px; border-radius: 999px;
  background: linear-gradient(135deg, var(--brand), var(--accent)); color: #fff;
  font-size: .7rem; font-weight: 700; box-shadow: 0 4px 12px rgba(79,123,255,.3);
}
.cloud-card h3 { font-size: 1.06rem; margin-bottom: .25em; }
.cloud-tagline { color: var(--muted); font-size: .88rem; margin: 0 0 12px; }
.cloud-intro { font-size: .88rem; color: var(--ink-2); margin: 0 0 14px; }
.cloud-prods { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 6px; }
.cloud-prods li {
  position: relative; padding-left: 16px; font-size: .85rem; color: var(--muted);
}
.cloud-prods li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent, var(--brand));
}
/* ---- 厂商卡片：整卡跳充值系统，卡内留一个小的「查看详情」进深潜页 ----
   外层是 div 不是 a（HTML 不允许 a 套 a），所以主体链接要自己撑满卡片。
   .card-more 的 margin-top:auto 依赖 flex 父级，主体链接继承成 flex 子级才能
   把按钮压到底部 —— 少这一条，卡片高度不齐（每张卡的产品条目数不同）。 */
.cloud-card-main {
  display: flex; flex-direction: column; flex: 1 1 auto;
  color: inherit; text-decoration: none;
}
.cloud-card-main:hover { text-decoration: none; }
/* 详情链接：视觉上刻意弱于「开通账号」，别抢主转化路径 */
.cloud-card .card-sub {
  display: inline-flex; align-items: center; gap: 4px; align-self: flex-start;
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: .8rem; font-weight: 500; text-decoration: none;
}
.cloud-card .card-sub:hover { color: var(--brand-600); }
.cloud-list { list-style: none; margin: 0 0 1.4em; padding: 0; display: grid; gap: 10px; }
.cloud-list li { display: flex; align-items: center; gap: 10px; font-size: .95rem; }
.cloud-list .ic { color: var(--ok); flex: none; }
.foot-col .dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 8px;
}

/* 首页厂商 logo 条 */
.vendor-strip {
  display: flex; flex-wrap: wrap; gap: 12px; list-style: none; margin: 0; padding: 0;
}
.vendor-strip a {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px; border-radius: 12px;
  background: var(--white); border: 1px solid var(--line);
  font-weight: 700; font-size: .92rem; color: var(--ink-2); text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.vendor-strip a:hover {
  transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none;
  border-color: color-mix(in srgb, var(--vc, var(--brand)) 45%, var(--line));
  color: var(--ink);
}
.vendor-strip i {
  width: 10px; height: 10px; border-radius: 3px; background: var(--vc, var(--brand)); flex: none;
}

/* ── 套餐卡（plans 页）── */





















/* ── 收款信息（topup 页）── */












/* ── 404 ── */
.err404 { text-align: center; padding: clamp(60px, 12vw, 130px) 0; }
.err404 .code { font-family: var(--ff-mono); font-size: clamp(3.6rem, 12vw, 7rem); font-weight: 800; letter-spacing: -.04em;
  background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }

/* ── 无 JS 时的 FAQ 兜底：details/summary 样式 ── */
details.faq-item > summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 600; }
details.faq-item > summary::-webkit-details-marker { display: none; }

/* 打印 */
@media print {
  .site-header, .site-footer, .cta-band, .skip-link, .toc { display: none; }
  body { color: #000; }
  .article { max-width: none; }
}