/* ========================================================================
   AI账房 · 官网样式表

   由 tools/build_site_css.py 从原型稿 (<aizhangfang的ui/AI选股官网原型页面>)
   机械拼装而成：index.html 的样式块是完整设计系统，内页各自的那几段按选择器
   去重后接在末尾。改样式请改原型稿再重跑本脚本，或直接改这里并同步回原型。
   ======================================================================== */

/* ── 设计令牌 ───────────────────────────────────────────────────────── */
/* ==========================================================================
   AI账房 · 官网设计系统（深色科技金融风）
   —— 所有色值收敛在 :root，正文中不出现任何裸色值
   —— 断点：1200px / 900px / 640px
   ========================================================================== */
:root{
  /* ── 底色 ───────────────────────────────────────────── */
  --bg:            #0A0F1A;                    /* 页面底色 */
  --bg-elev:       #0D1424;                    /* 次级背景 / 输入框底 */
  --surface:       rgba(255,255,255,0.03);     /* 卡片底 */
  --surface-2:     rgba(255,255,255,0.055);    /* 卡片底（抬升态） */

  /* ── 文字 ───────────────────────────────────────────── */
  --fg:            #E6EDF7;                    /* 正文 */
  --muted:         #8B9BB4;                    /* 次要文字 */

  /* ── 描边 / 分割线 ──────────────────────────────────── */
  --border:        rgba(255,255,255,0.08);
  --border-hi:     rgba(255,255,255,0.18);

  /* ── 强调色（两个色相封顶） ─────────────────────────── */
  --accent:        #38BDF8;                    /* 青 */
  --accent-2:      #6366F1;                    /* 靛蓝 */
  --gold:          #F5B942;                    /* 暖金：徽章 / 价格 / 限量提示 */
  --ok:            #34D399;                    /* 成功 / 可用 */
  --danger:        #F87171;                    /* 错误 */

  /* ── 派生色（用 oklch 现算，不新增令牌色） ───────────── */
  --accent-soft:   color-mix(in oklch, var(--accent) 14%, transparent);
  --accent-line:   color-mix(in oklch, var(--accent) 42%, transparent);
  --gold-soft:     color-mix(in oklch, var(--gold) 15%, transparent);
  --gold-line:     color-mix(in oklch, var(--gold) 45%, transparent);
  --ok-soft:       color-mix(in oklch, var(--ok) 15%, transparent);
  --fg-soft:       color-mix(in oklch, var(--fg) 7%, transparent);
  --muted-line:    color-mix(in oklch, var(--muted) 30%, transparent);

  --grad-accent:   linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  --grad-pro:      linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
  --grad-panel:    linear-gradient(160deg, oklch(0.235 0.032 262 / 0.94), oklch(0.175 0.026 264 / 0.97));

  --glow-accent:   0 18px 46px -20px color-mix(in oklch, var(--accent) 62%, transparent);
  --glow-gold:     0 18px 46px -22px color-mix(in oklch, var(--gold) 42%, transparent);
  --shadow-panel:  0 30px 70px -34px oklch(0 0 0 / 0.9);

  /* ── 字体 ───────────────────────────────────────────── */
  --font-sans: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "SF Mono", Consolas, "Courier New", monospace;

  /* ── 尺度 ───────────────────────────────────────────── */
  --fs-h1:   clamp(32px, 3.5vw, 46px);
  --fs-h2:   clamp(25px, 2.6vw, 34px);
  --fs-h3:   20px;
  --fs-lead: 17px;
  --fs-body: 16px;
  --fs-sm:   14px;
  --fs-meta: 13px;

  --container: 1180px;
  --gutter:    32px;
  --section-y: clamp(80px, 8vw, 116px);
  --radius:    12px;
  --radius-lg: 18px;
  --radius-xl: 22px;
}

/* ==========================================================================
   1. 基础重置
   ========================================================================== */
*,*::before,*::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
h1,h2,h3,h4{ margin: 0; font-weight: 800; line-height: 1.28; letter-spacing: -0.01em; text-wrap: balance; }
p{ margin: 0; text-wrap: pretty; }
ul{ margin: 0; padding: 0; list-style: none; }
a{ color: inherit; text-decoration: none; }
button{ font: inherit; color: inherit; cursor: pointer; }
img,svg{ display: block; max-width: 100%; }
strong{ font-weight: 700; }

/* 数字统一"稳"住 */
.num,.price,.stat-v,.tier-feats li b,.kv-v,.benefit-v{ font-variant-numeric: tabular-nums; }

:focus-visible{ outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.svg-defs{ position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link{
  position: absolute; left: -9999px; top: 0; z-index: 99;
  padding: 10px 16px; background: var(--bg-elev); color: var(--fg);
  border: 1px solid var(--accent-line); border-radius: var(--radius);
}
.skip-link:focus{ left: 16px; top: 12px; }

/* ==========================================================================
   2. 布局基元
   ========================================================================== */
.container{ max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section{ padding-block: var(--section-y); }
.section + .section{ border-top: 1px solid var(--border); }
.stack{ display: flex; flex-direction: column; }
.row-between{ display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.num{ font-family: var(--font-mono); }
.meta{ font-family: var(--font-mono); font-size: var(--fs-meta); color: var(--muted); }
.eyebrow{
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent); margin: 0 0 14px;
}
.sec-head{ max-width: 62ch; margin-bottom: 52px; }
.sec-head h2{ margin-bottom: 14px; }
.sec-sub{ color: var(--muted); font-size: var(--fs-lead); line-height: 1.8; }

/* ==========================================================================
   3. 按钮
   ========================================================================== */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 11px 22px;
  border-radius: var(--radius); border: 1px solid transparent;
  font-size: 15px; font-weight: 700; letter-spacing: 0;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease, transform .12s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{ background-image: var(--grad-accent); color: oklch(0.16 0.03 260); box-shadow: var(--glow-accent); }
.btn-primary:hover{ box-shadow: 0 22px 54px -18px color-mix(in oklch, var(--accent) 78%, transparent); transform: translateY(-1px); }
.btn-outline{
  background: var(--accent-soft); color: var(--accent);
  border-color: var(--accent-line);
}
.btn-outline:hover{ background: color-mix(in oklch, var(--accent) 22%, transparent); }
.btn-ghost{ background: transparent; color: var(--fg); border-color: var(--border); }
.btn-ghost:hover{ border-color: var(--border-hi); background: var(--surface-2); }
.btn-block{ width: 100%; }
.btn-sm{ min-height: 40px; padding: 8px 16px; font-size: 14px; }
.btn[disabled],.btn[aria-disabled="true"]{ opacity: .45; cursor: not-allowed; transform: none; }

/* ==========================================================================
   4. 顶栏
   ========================================================================== */
.topnav{
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background .22s ease, border-color .22s ease;
}
.topnav.is-scrolled{ background: color-mix(in oklch, var(--bg) 94%, transparent); border-bottom-color: var(--border); }
.topnav-inner{ display: flex; align-items: center; gap: 28px; padding-block: 14px; }
.brand{ display: inline-flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 800; letter-spacing: 0.01em; }
.brand svg{ flex: none; }
.topnav nav{ display: flex; gap: 26px; margin-inline: auto; }
.topnav nav a{ font-size: 14px; color: var(--muted); transition: color .16s ease; }
.topnav nav a:hover{ color: var(--fg); }
.nav-actions{ display: flex; align-items: center; gap: 10px; }

/* ── 登录 / 注册 ────────────────────────────────────────────────────── */
h1,h2,h3{ margin: 0; font-weight: 800; line-height: 1.3; text-wrap: balance; }
svg{ display: block; }
.btn[disabled]{ opacity: .5; cursor: not-allowed; transform: none; }
.link-btn{
  background: none; border: 0; padding: 4px 2px;
  color: var(--accent); font-size: 13.5px;
  border-bottom: 1px solid var(--accent-line);
  transition: color .16s ease, border-color .16s ease;
}
.link-btn:hover{ color: var(--fg); border-color: var(--border-hi); }
.auth{ flex: 1; display: flex; align-items: flex-start; justify-content: center; padding: 56px 24px 72px; }
.auth-card{
  width: 100%; max-width: 460px;
  padding: 40px 36px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 30px 70px -40px oklch(0 0 0 / 0.9);
}
.auth-card h1{ font-size: 27px; margin-bottom: 8px; }
.auth-sub{ color: var(--muted); font-size: 14.5px; margin-bottom: 30px; }
.alert{
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-radius: var(--radius);
  font-size: 13.5px; line-height: 1.7; margin-bottom: 22px;
}
.alert svg{ flex: none; margin-top: 4px; }
.alert-ok{ background: var(--ok-soft); border: 1px solid color-mix(in oklch, var(--ok) 42%, transparent); color: var(--fg); }
.alert-ok svg{ color: var(--ok); }
.alert-error{ background: var(--danger-soft); border: 1px solid color-mix(in oklch, var(--danger) 45%, transparent); color: var(--fg); }
.alert-error svg{ color: var(--danger); }
.alert[hidden]{ display: none; }
.field{ display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.field label{ font-size: 13px; color: var(--muted); }
.field .hint{ font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.input{
  width: 100%; padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--fg);
  font: inherit; font-size: 15px; min-height: 46px;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.input::placeholder{ color: color-mix(in oklch, var(--muted) 78%, transparent); }
.input:hover{ border-color: var(--border-hi); }
.input:focus{
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 18%, transparent);
}
.captcha-row{ display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.captcha-fig{
  flex: none; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); background: var(--bg-elev);
}
.captcha-eq{ color: var(--muted); font-family: var(--font-mono); font-size: 17px; }
.captcha-input{ width: 88px; flex: none; text-align: center; font-family: var(--font-mono); }
.captcha-row .link-btn{ margin-left: auto; }
.auth-foot{ margin-top: 22px; text-align: center; color: var(--muted); font-size: 14px; }
.auth-foot a{ color: var(--accent); border-bottom: 1px solid var(--accent-line); padding-bottom: 1px; }
.auth-foot a:hover{ color: var(--fg); border-color: var(--border-hi); }
@media (max-width: 640px){
  :root{ --gutter: 20px; }
  .topnav-inner{ flex-wrap: wrap; gap: 10px 14px; }
  .brand{ width: 100%; }
  .topnav nav{ margin-inline: 0; gap: 20px; }
  .nav-actions{ margin-left: auto; }
  .auth{ padding: 32px 20px 56px; }
  .auth-card{ padding: 28px 22px; }
  .captcha-row .link-btn{ margin-left: 0; }
}
@media (prefers-reduced-motion: reduce){ *{ transition-duration: .001ms !important; } }

.alert-info{ background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--fg); }
.alert-info svg{ color: var(--accent); }
.input-row{ display: flex; gap: 10px; align-items: stretch; }
.input-row .input{ flex: 1 1 auto; min-width: 0; }
.opt-tag{
  display: inline-block; margin-left: 6px; padding: 1px 7px; border-radius: 99px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--muted); font-size: 11px; font-weight: 400; letter-spacing: 0.02em;
}
@media (max-width: 640px){
  :root{ --gutter: 20px; }
  .topnav-inner{ flex-wrap: wrap; gap: 10px 14px; }
  .brand{ width: 100%; }
  .topnav nav{ margin-inline: 0; gap: 20px; }
  .nav-actions{ margin-left: auto; }
  .auth{ padding: 32px 20px 56px; }
  .auth-card{ padding: 28px 22px; }
  .input-row{ flex-wrap: wrap; }
  .input-row .btn{ width: 100%; }
}
@media (prefers-reduced-motion: reduce){ *{ transition-duration: .001ms !important; } }

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero{ position: relative; overflow: hidden; padding-block: clamp(64px, 7vw, 96px) clamp(80px, 8vw, 118px); }
.hero::before{                                  /* 深色径向光晕：右上青蓝 */
  content:""; position: absolute; inset: -10% -10% 0 -10%; pointer-events: none;
  background:
    radial-gradient(720px 520px at 78% 4%,  color-mix(in oklch, var(--accent) 22%, transparent), transparent 64%),
    radial-gradient(620px 480px at 6% 78%,  color-mix(in oklch, var(--accent-2) 16%, transparent), transparent 62%);
}
.hero::after{                                   /* 极淡网格线 ~3% */
  content:""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right,  oklch(1 0 0 / 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 0.03) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: radial-gradient(760px 560px at 72% 8%, oklch(0 0 0) 0%, transparent 76%);
          mask-image: radial-gradient(760px 560px at 72% 8%, oklch(0 0 0) 0%, transparent 76%);
}
.hero > .container{ position: relative; z-index: 1; }
.hero-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 4vw, 64px); align-items: center; }
.hero h1{ font-size: var(--fs-h1); margin-bottom: 22px; }
.hero-copy p.lead{ color: var(--muted); font-size: var(--fs-lead); line-height: 1.85; }
.hero-copy p.lead + p.lead{ margin-top: 14px; }
.hero-copy p.lead b{ color: var(--fg); font-weight: 700; }
.hero-emph{
  margin-top: 26px; padding-left: 16px;
  border-left: 3px solid var(--accent);
  color: var(--fg); font-size: 15px; line-height: 1.8;
}
.hero-cta{ display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* ── Hero 右侧：两张叠放的产品界面示意卡（纯 CSS + 内联 SVG）
   用 grid 同格叠放 + margin 撑高，高度由内容决定，不写死像素 ── */
.stage{ display: grid; grid-template-columns: 1fr; }
.mock{
  grid-area: 1 / 1;
  position: relative;                             /* 作为 .mock-front::before 的包含块，并被自身 overflow 裁切 */
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background-image: var(--grad-panel);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}
.mock-back{
  /* 右缘收在前卡右缘之内（width 84% + margin-right 9% → 右缘 91% < 前卡 94%），
     这样后卡只从上方露出一条完整的"卡头 + 前两行指标"，不会在右侧漏出半截数字 */
  justify-self: end; align-self: start;
  width: 84%; margin-right: 9%;
  transform: rotate(-1.4deg);
  opacity: .72;
}
.mock-front{
  justify-self: start; align-self: end;
  /* 138→145：让前卡上边缘落在后卡第 2、3 行之间的空隙正中（两侧各留约 7px 余量） */
  width: 94%; margin-top: 145px;
  border-top-color: var(--border-hi);
  z-index: 1;
}
.mock-front::before{                            /* 1px 高光顶边 */
  content:""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--accent) 70%, transparent), transparent);
}
.mock-bar{
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.04em;
}
.mock-dot{ width: 7px; height: 7px; border-radius: 50%; background: var(--muted-line); flex: none; }
.mock-dot.on{ background-image: var(--grad-accent); }
.mock-body{ padding: 18px 18px 20px; }

/* 诊断报告卡：多维度评分条 */
.metric{ display: grid; grid-template-columns: 74px 1fr 34px; align-items: center; gap: 12px; }
/* 行距 24px：后卡被前卡遮住时，切边正好落在行与行之间的空隙里，
   不会在右侧漏出半截数字（1.4° 旋转带来的高度差约 ±5px，仍小于这个空隙） */
.metric + .metric{ margin-top: 24px; }
.metric span{ font-size: 12px; color: var(--muted); }
.metric b{ font-family: var(--font-mono); font-size: 12px; color: var(--fg); text-align: right; font-weight: 600; }
.metric i{ display: block; height: 6px; border-radius: 99px; background: var(--fg-soft); overflow: hidden; }
.metric i::after{ content:""; display: block; height: 100%; width: var(--v, 50%); border-radius: 99px; background-image: var(--grad-accent); }

/* 策略生成卡：自然语言输入 + 条件 chip + 结果数字 */
.mock-input{
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid var(--accent-line); background: var(--bg-elev);
  font-size: 14px; color: var(--fg);
}
.caret{ width: 1.5px; height: 16px; background: var(--accent); animation: blink 1.15s steps(1) infinite; flex: none; }
@keyframes blink{ 0%,49%{opacity:1} 50%,100%{opacity:0} }
.chips{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip{
  display: inline-flex; align-items: center; height: 28px; padding: 0 11px;
  border-radius: 99px; border: 1px solid var(--border);
  background: var(--surface); font-size: 12.5px; color: var(--fg);
}
.chip-accent{ border-color: var(--accent-line); background: var(--accent-soft); color: var(--accent); }
.mock-result{
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border);
}
.mock-result .k{ font-size: 12px; color: var(--muted); }
.mock-result .v{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-weight: 700; }
.mock-result .v em{ font-style: normal; color: var(--muted); font-weight: 500; }

/* ==========================================================================
   6. 数据条
   ========================================================================== */
.stats-wrap{ border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding-block: 34px; }
.stats-bar{ display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-cell{ padding-inline: 30px; border-left: 1px solid var(--border); }
.stat-cell:first-child{ border-left: 0; padding-left: 0; }
.stat-v{ font-size: clamp(26px, 2.5vw, 34px); font-weight: 800; line-height: 1.2; letter-spacing: -0.01em; }
.stat-v em{ font-style: normal; font-size: .54em; font-weight: 700; color: var(--muted); margin-left: 4px; }
.stat-k{ color: var(--muted); font-size: var(--fs-sm); margin-top: 4px; line-height: 1.6; }

/* ==========================================================================
   7. 产品双卡
   ========================================================================== */
.card{
  display: flex; flex-direction: column; gap: 20px;
  padding: 32px 30px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}
.card:hover{ transform: translateY(-2px); border-color: var(--border-hi); background: var(--surface-2); }
.grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; align-items: stretch; }
.prod-head{ display: flex; align-items: center; gap: 12px; }
.prod-mark{
  width: 40px; height: 40px; flex: none; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--accent-line);
  background: var(--accent-soft); color: var(--accent);
}
.prod-head h3{ font-size: var(--fs-h3); font-weight: 800; }
.prod-desc{ color: var(--fg); font-size: 15px; line-height: 1.8; }
.prod-note{ color: var(--muted); font-size: var(--fs-sm); }
.feat-list li{ display: flex; gap: 10px; align-items: flex-start; font-size: 15px; line-height: 1.75; color: var(--fg); }
.feat-list li + li{ margin-top: 11px; }
.feat-list svg{ flex: none; margin-top: 6px; color: var(--accent); }
.card .btn{ align-self: flex-start; margin-top: auto; }

/* ==========================================================================
   8. 定价
   ========================================================================== */
.cycle-wrap{ display: flex; justify-content: center; margin-bottom: 52px; }
.cycle{
  display: inline-flex; gap: 4px; padding: 5px;
  border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
}
.cycle button{
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 40px; padding: 0 20px; border: 0; border-radius: 999px;
  background: transparent; color: var(--muted); font-size: 14px; font-weight: 700;
  transition: color .18s ease, background .18s ease;
}
.cycle button:hover{ color: var(--fg); }
.cycle button[aria-pressed="true"]{ background-image: var(--grad-accent); color: oklch(0.16 0.03 260); }
.cycle button[aria-pressed="true"]:hover{ color: oklch(0.16 0.03 260); }
.cycle .save{ font-size: 11.5px; font-weight: 700; padding: 1px 7px; border-radius: 99px; background: var(--gold-soft); color: var(--gold); }
.cycle button[aria-pressed="true"] .save{ background: oklch(0.16 0.03 260 / 0.16); color: oklch(0.16 0.03 260); }

.plan-group + .plan-group{ margin-top: 68px; }
.plan-group-head{ display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px; margin-bottom: 26px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.plan-group-head h3{ font-size: var(--fs-h3); font-weight: 800; }
.plan-group-head p{ color: var(--muted); font-size: var(--fs-sm); }

.tier-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.tier{
  position: relative; display: flex; flex-direction: column; gap: 22px;
  padding: 28px 24px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
  transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}
.tier:hover{ transform: translateY(-2px); border-color: var(--border-hi); background: var(--surface-2); }
.tier-top{ display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 26px; }
.tier-name{ font-size: 15px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.badge-gold{
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 99px;
  background: var(--gold-soft); border: 1px solid var(--gold-line); color: var(--gold);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.02em;
}
/* flex:1 吸收卡片间的行数差，让三张卡的价格与按钮始终在同一水平线上 */
.tier-feats{ display: flex; flex-direction: column; gap: 10px; flex: 1 1 auto; }
.tier-feats li{ display: flex; gap: 9px; align-items: flex-start; font-size: var(--fs-sm); line-height: 1.7; color: var(--muted); }
.tier-feats svg{ flex: none; margin-top: 6px; color: var(--accent); }
.tier-price{ display: flex; align-items: baseline; gap: 4px; color: var(--gold); }
.tier-price .cur{ font-size: 20px; font-weight: 700; }
.tier-price .price{ font-size: 38px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
.tier-price .unit{ font-size: var(--fs-sm); color: var(--muted); margin-left: 4px; }
.tier-permo{ font-size: 12.5px; color: var(--muted); margin-top: -14px; }
.tier-form{ margin-top: auto; }

/* Pro 卡：发光描边 + 渐变描边 + 略微放大 + 金色徽章 */
.tier-pro{
  border-color: transparent;
  background-image:
    radial-gradient(320px 180px at 50% 0%, color-mix(in oklch, var(--accent) 12%, transparent), transparent 70%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: var(--glow-accent);
}
.tier-pro::after{
  content:""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background-image: var(--grad-pro); pointer-events: none;
  -webkit-mask: linear-gradient(oklch(0 0 0) 0 0) content-box, linear-gradient(oklch(0 0 0) 0 0);
          mask: linear-gradient(oklch(0 0 0) 0 0) content-box, linear-gradient(oklch(0 0 0) 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
}
.tier-pro .tier-name{ color: var(--fg); }
@media (min-width: 901px){
  .tier-pro{ transform: scale(1.03); }
  .tier-pro:hover{ transform: scale(1.03) translateY(-2px); }
}
.price-note{
  margin-top: 44px; padding: 18px 20px;
  border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); font-size: var(--fs-sm); line-height: 1.85;
}
.price-note b{ color: var(--fg); font-weight: 700; }

/* ==========================================================================
   9. FAQ
   ========================================================================== */
.faq{ border-top: 1px solid var(--border); }
.faq details{ border-bottom: 1px solid var(--border); }
.faq summary{
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 24px 4px; cursor: pointer; list-style: none;
  font-size: 17px; font-weight: 700; line-height: 1.6;
  transition: color .16s ease;
}
.faq summary::-webkit-details-marker{ display: none; }
.faq summary:hover{ color: var(--accent); }
.faq summary .mk{ flex: none; color: var(--muted); transition: transform .22s ease, color .22s ease; }
.faq details[open] summary .mk{ transform: rotate(180deg); color: var(--accent); }
.faq details[open] summary{ color: var(--fg); }
.faq .ans{ padding: 0 4px 26px; max-width: 84ch; }
.faq .ans p{ color: var(--muted); font-size: 15px; line-height: 1.9; }
.faq .ans p + p{ margin-top: 10px; }

/* ==========================================================================
   10. 联系客服付款
   ========================================================================== */
.contact-grid{ display: grid; grid-template-columns: 220px 1fr; gap: 44px; align-items: start; }
.qr-box{ display: flex; flex-direction: column; align-items: center; gap: 12px; }
.qr-ph{
  width: 150px; height: 150px; border-radius: var(--radius);
  border: 1px dashed var(--border-hi); background: var(--surface);
  display: grid; place-items: center; text-align: center;
  color: var(--muted); font-size: 12px; line-height: 1.5; padding: 10px;
}
.qr-ph span{ font-family: var(--font-mono); letter-spacing: 0.04em; }
.qr-cap{ color: var(--muted); font-size: 12.5px; }
.contact-lead{ font-size: 18px; font-weight: 700; line-height: 1.7; }
.contact-lead em{ font-style: normal; color: var(--gold); }
.contact-hours{ color: var(--muted); font-size: var(--fs-sm); margin-top: 8px; }
.steps{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 34px; }
.step{ position: relative; padding: 22px 20px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.step-no{
  display: grid; place-items: center; width: 30px; height: 30px; margin-bottom: 14px;
  border-radius: 50%; background-image: var(--grad-accent); color: oklch(0.16 0.03 260);
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
}
.step h4{ font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.step p{ color: var(--muted); font-size: 13.5px; line-height: 1.75; }
.contact-foot{ margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--muted); font-size: var(--fs-sm); line-height: 1.9; max-width: 88ch; }
.contact.is-flash{ background: color-mix(in oklch, var(--accent) 6%, transparent); transition: background .35s ease; }

/* ==========================================================================
   11. 页脚
   ========================================================================== */
.sitefoot{ padding-block: 52px; border-top: 1px solid var(--border); }
.foot-grid{ display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: start; }
.foot-legal{ color: var(--muted); font-size: 13px; line-height: 1.95; max-width: 76ch; }
.foot-links{ display: flex; flex-wrap: wrap; gap: 18px; margin-top: 20px; }
.foot-links a{ color: var(--fg); font-size: 13.5px; border-bottom: 1px solid var(--muted-line); padding-bottom: 2px; transition: color .16s ease, border-color .16s ease; }
.foot-links a:hover{ color: var(--accent); border-color: var(--accent-line); }
.foot-tip{ color: var(--muted); font-size: 12.5px; margin-top: 10px; }
.foot-qr{ display: flex; flex-direction: column; align-items: center; gap: 8px; }
.foot-qr .qr-ph{ width: 96px; height: 96px; font-size: 11px; }
.foot-copy{ margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12.5px; }

/* ==========================================================================
   12. 断点：1200 / 900 / 640
   ========================================================================== */
@media (max-width: 1200px){
  :root{ --gutter: 28px; }
  .stat-cell{ padding-inline: 22px; }
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; gap: 44px; }
  /* 示意卡改单列纵向：前卡在上，后卡在下，去掉旋转与叠放 */
  .stage{ display: flex; flex-direction: column; gap: 18px; }
  .mock{ width: 100%; margin: 0; transform: none; opacity: 1; }
  .mock-back{ order: 2; }
  .mock-front{ order: 1; }
  .grid-2, .tier-grid, .steps{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; gap: 30px; }
  .stats-bar{ grid-template-columns: repeat(2, 1fr); gap: 26px 0; }
  .stat-cell:nth-child(3){ border-left: 0; padding-left: 0; }
  .foot-grid{ grid-template-columns: 1fr; }
  .foot-qr{ align-items: flex-start; }
  .tier-form .btn{ align-self: stretch; }
}
@media (max-width: 640px){
  :root{ --gutter: 20px; --fs-h1: 30px; --fs-h2: 24px; }
  .topnav-inner{ flex-wrap: wrap; gap: 10px 14px; }
  .brand{ width: 100%; }
  .topnav nav{ margin-inline: 0; gap: 20px; }
  .nav-actions{ margin-left: auto; }
  .hero{ padding-block: 40px 64px; }
  .hero-cta{ gap: 10px; }
  .hero-cta .btn{ width: 100%; }
  .cycle{ width: 100%; }
  .cycle button{ flex: 1; justify-content: center; padding: 0 8px; font-size: 13px; }
  .cycle .save{ display: none; }
  .plan-group-head{ flex-direction: column; gap: 6px; }
  .tier-price .price{ font-size: 32px; }
  .faq summary{ font-size: 15.5px; padding: 20px 2px; }
  .foot-links{ gap: 12px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{ animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ── 用户中心 ───────────────────────────────────────────────────────── */
.num,.benefit-v,.kv-v{ font-variant-numeric: tabular-nums; }
.btn[aria-disabled="true"]{ opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.hello{ font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.hello em{ font-style: normal; font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--accent); }
.hello-sub{ color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.panel{
  padding: 26px 28px; border-radius: var(--radius-lg);
  background: var(--surface); border: 1px solid var(--border);
}
.panel + .panel{ margin-top: 22px; }
.panel-head{ display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.panel-head h2{ font-size: 18px; font-weight: 800; }
.panel-head .desc{ color: var(--muted); font-size: 13.5px; line-height: 1.75; }
.panel-foot{ margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12.5px; line-height: 1.85; }
.panel-id{ font-family: var(--font-mono); font-size: 12px; color: var(--muted); letter-spacing: 0.08em; }
.empty{ display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 32px 16px; text-align: center; color: var(--muted); font-size: 14px; }
.empty svg{ color: color-mix(in oklch, var(--muted) 60%, transparent); }
.kv-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 28px; }
.kv{ display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.kv-k{ color: var(--muted); font-size: 12.5px; }
.kv-v{ font-size: 15px; font-weight: 700; overflow-wrap: anywhere; }
.benefit{
  display: grid; grid-template-columns: minmax(200px, 1fr) auto auto; gap: 24px; align-items: center;
  padding: 20px 22px; border-radius: var(--radius-lg);
  background: var(--surface-2); border: 1px solid var(--border);
  transition: border-color .18s ease, background .18s ease;
}
.benefit + .benefit{ margin-top: 14px; }
.benefit:hover{ border-color: var(--border-hi); }
.benefit-title{ display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 16px; font-weight: 800; }
.tier-tag{
  display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 99px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent);
  font-size: 12px; font-weight: 700; letter-spacing: 0.02em;
}
.benefit-sub{ color: var(--muted); font-size: 12.5px; margin-top: 4px; }
.benefit-stats{ display: flex; gap: 34px; }
.benefit-v{ font-family: var(--font-mono); font-size: 21px; font-weight: 800; line-height: 1.3; }
.benefit-v em{ font-style: normal; font-size: .55em; font-weight: 700; color: var(--muted); margin-left: 3px; }
.benefit-k{ color: var(--muted); font-size: 12px; }
.status{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 99px; border: 1px solid transparent;
  font-size: 12.5px; font-weight: 700; white-space: nowrap;
}
.status::before{ content:""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-ok{   background: var(--ok-soft);     border-color: color-mix(in oklch, var(--ok) 42%, transparent);     color: var(--ok); }
.status-warn{ background: var(--gold-soft);   border-color: var(--gold-line);                                    color: var(--gold); }
.status-off{  background: var(--surface);     border-color: var(--border);                                       color: var(--muted); }
.invite-code{
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  padding: 20px 22px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-soft), transparent 62%), var(--surface-2);
  border: 1px solid var(--accent-line);
}
.invite-code .code{
  font-family: var(--font-mono); font-size: clamp(24px, 3.4vw, 32px); font-weight: 800;
  letter-spacing: 0.28em; color: var(--fg); line-height: 1.2;
}
.invite-code .code-label{ color: var(--muted); font-size: 12.5px; margin-bottom: 4px; }
.invite-code .btn{ margin-left: auto; }
.rules{ margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.rules li{ display: flex; gap: 10px; align-items: flex-start; color: var(--muted); font-size: 14px; line-height: 1.8; }
.rules li::before{ content:""; flex: none; width: 5px; height: 5px; margin-top: 11px; border-radius: 50%; background: var(--accent); }
.invite-stat{ margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px 28px; color: var(--muted); font-size: 13.5px; }
.invite-stat b{ color: var(--fg); font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.req-head, .req-row{
  display: grid; grid-template-columns: 62px minmax(150px,1fr) 88px 78px 88px 132px 96px;
  gap: 14px; align-items: center;
}
.req-head{
  padding: 0 4px 10px; border-bottom: 1px solid var(--border);
  color: var(--muted); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em;
}
.req-row{ padding: 16px 4px; border-bottom: 1px solid var(--border); }
.req-row:last-child{ border-bottom: 0; }
.req-row:hover{ background: var(--fg-soft); }
.req-no{ font-family: var(--font-mono); font-size: 13px; color: var(--muted); }
.req-prod{ font-size: 14.5px; font-weight: 700; }
.req-sub{ color: var(--muted); font-size: 12.5px; }
.req-num{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 14px; }
.req-time{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 12.5px; color: var(--muted); }
.req-act{ text-align: right; }
.req-empty-label{ display: none; }
.pay-guide{
  display: flex; flex-wrap: wrap; align-items: center; gap: 22px;
  margin-top: 22px; padding: 20px 22px; border-radius: var(--radius-lg);
  background: var(--gold-soft); border: 1px solid var(--gold-line);
}
.pay-guide .txt{ flex: 1 1 320px; font-size: 14px; line-height: 1.85; }
.pay-guide .txt b{ color: var(--gold); }
.dev-row{
  /* 后两列 190px：容得下「最近活跃 2026-09-11 09:10」不换行 */
  display: grid; grid-template-columns: 36px minmax(0,1fr) 190px 190px; gap: 16px; align-items: center;
  padding: 16px 4px; border-bottom: 1px solid var(--border);
}
.dev-row:last-child{ border-bottom: 0; }
.dev-row:hover{ background: var(--fg-soft); }
.dev-icon{
  width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--accent);
}
.dev-id{ font-family: var(--font-mono); font-size: 13.5px; overflow-wrap: anywhere; }
.dev-k{ color: var(--muted); font-size: 11.5px; }
.dev-v{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13px; }
.pwd-form{ max-width: 420px; }
.sec-note{ color: var(--muted); font-size: 14px; line-height: 1.85; margin-bottom: 18px; }
@media (max-width: 900px){
  .kv-grid{ grid-template-columns: repeat(2, 1fr); }
  .benefit{ grid-template-columns: 1fr; gap: 16px; }
  .benefit-stats{ gap: 28px; }
  .req-head{ display: none; }
  .req-row{ grid-template-columns: 1fr; gap: 8px; padding: 18px 4px; }
  .req-act{ text-align: left; margin-top: 8px; }
  .req-empty-label{ display: inline; color: var(--muted); font-size: 12px; margin-right: 6px; }
  .dev-row{ grid-template-columns: 36px 1fr; gap: 10px 16px; }
  .dev-row .dev-meta{ grid-column: 2; display: flex; gap: 22px; }
  .invite-code .btn{ margin-left: 0; width: 100%; }
}
@media (max-width: 640px){
  :root{ --gutter: 20px; }
  .topnav-inner{ flex-wrap: wrap; gap: 10px 14px; }
  .brand{ width: 100%; }
  .topnav nav{ margin-inline: 0; gap: 20px; }
  .nav-actions{ margin-left: auto; }
  .hello{ font-size: 20px; }
  .panel{ padding: 20px 18px; }
  .kv-grid{ grid-template-columns: 1fr; gap: 14px; }
  .invite-code .code{ font-size: 22px; letter-spacing: 0.2em; }
  .benefit-stats{ gap: 22px; }
  .pay-guide{ flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce){ *{ transition-duration: .001ms !important; } }

/* ── 服务条款 ───────────────────────────────────────────────────────── */
ol,ul{ margin: 0; padding: 0; list-style: none; }
.topnav nav a[aria-current="page"]{ color: var(--fg); }
.doc-wrap{
  /* 760 + 56 + 196 = 1012 ≤ 1080 − 2×32 的可用宽度，不会挤出容器 */
  display: grid; grid-template-columns: minmax(0, 760px) 196px;
  gap: 0 56px; justify-content: center; align-items: start;
}
.doc-head{ padding-bottom: 30px; border-bottom: 1px solid var(--border); }
.doc-head h1{ font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; letter-spacing: -0.01em; }
.updated{ margin-top: 12px; color: var(--muted); font-size: 13.5px; font-variant-numeric: tabular-nums; }
.doc-sec{ padding-block: 36px; border-top: 1px solid var(--border); scroll-margin-top: calc(var(--nav-h) + 22px); }
.doc-sec:first-of-type{ border-top: 0; }
.doc-sec h2{ font-size: 21px; font-weight: 800; color: var(--accent); margin-bottom: 16px; }
.doc-sec h2 .no{ font-family: var(--font-mono); letter-spacing: 0.02em; margin-right: 2px; }
.doc-sec p + p{ margin-top: 16px; }
.doc-sec p{ color: color-mix(in oklch, var(--fg) 94%, transparent); }
.doc-sec strong{ color: var(--fg); font-weight: 700; }
.doc-sec h3{ font-size: 15.5px; font-weight: 800; color: var(--fg); margin: 24px 0 10px; }
.doc-list{ margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.doc-list li{ display: flex; gap: 11px; align-items: flex-start; color: color-mix(in oklch, var(--fg) 94%, transparent); }
.doc-list li::before{ content:""; flex: none; width: 5px; height: 5px; margin-top: 12px; border-radius: 50%; background: var(--muted); }
.doc-list.is-accent li::before{ background: var(--accent); }
.doc-sec.is-key{
  position: relative; overflow: hidden;
  margin-block: 34px; padding: 28px 30px 28px 32px;
  border-top: 0; border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 12%, transparent), transparent 68%),
    var(--surface-2);
  border: 1px solid var(--accent-line);
}
.doc-sec.is-key::before{ content:""; position: absolute; inset: 0 auto 0 0; width: 3px; background-image: var(--grad-accent); }
.doc-sec.is-key h2{ margin-bottom: 18px; }
.doc-sec.is-key p{ color: var(--fg); }
.contact-box{ display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; margin-top: 20px; }
.contact-box .txt{ flex: 1 1 320px; }
.contact-box .txt p + p{ margin-top: 14px; }
.toc{
  position: sticky; top: calc(var(--nav-h) + 22px);
  padding: 18px 0 18px 20px;
  border-left: 1px solid var(--border);
}
.toc-title{ font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.2em; color: var(--muted); margin-bottom: 12px; }
.toc ol{ display: flex; flex-direction: column; gap: 2px; }
.toc a{
  display: block; padding: 6px 0 6px 12px; font-size: 13.5px; line-height: 1.6;
  color: var(--muted); border-left: 2px solid transparent; margin-left: -21px;
  transition: color .16s ease, border-color .16s ease;
}
.toc a:hover{ color: var(--fg); }
.toc a.is-active{ color: var(--accent); border-left-color: var(--accent); }
.toc-top{ display: inline-block; margin-top: 16px; font-size: 12.5px; color: var(--muted); border-bottom: 1px solid var(--border-hi); }
.toc-top:hover{ color: var(--fg); }
.toc-mobile{ display: none; }
@media (max-width: 900px){
  /* 目录移到正文上方，横向可滑动 */
  .doc-wrap{ grid-template-columns: minmax(0, 760px); gap: 0; }
  .toc{ display: none; }
  .toc-mobile{
    display: block; margin-bottom: 28px; padding: 16px 18px;
    border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border);
  }
  .toc-mobile .toc-title{ margin-bottom: 10px; }
  .toc-mobile ol{ display: flex; flex-wrap: wrap; gap: 8px; }
  .toc-mobile a{
    display: inline-block; padding: 6px 12px; border-radius: 99px; font-size: 13px;
    background: var(--surface-2); border: 1px solid var(--border); color: var(--fg);
  }
  .toc-mobile a.is-active{ background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }
}
@media (max-width: 640px){
  :root{ --gutter: 20px; --nav-h: 58px; }
  body{ font-size: 15.5px; }
  .topnav-inner{ flex-wrap: wrap; gap: 10px 14px; }
  .brand{ width: 100%; }
  .topnav nav{ margin-inline: 0; gap: 20px; }
  .nav-actions{ margin-left: auto; }
  main{ padding-block: 32px 56px; }
  .doc-sec.is-key{ margin-inline: -8px; padding: 22px 20px 22px 22px; }
  .contact-box{ flex-direction: column; }
  .foot-grid{ grid-template-columns: 1fr; }
  .foot-qr{ justify-self: start; text-align: left; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ transition-duration: .001ms !important; }
}

/* ── 原型之间的细微差异：取一份统一口径 ─────────────────────────────── */
/* 原型里同一组件在不同页面写法略有出入（行高 1.3/1.4、margin 18/20px 之类），
   这里是最终生效的一份；要改口径改这里，不要回头改上面的拼装结果。 */
h1,h2,h3{ line-height: 1.35; }
.field{ margin-bottom: 20px; }
.alert{ margin-bottom: 22px; }
main{ flex: 1; }
.page-terms{ padding-block: 48px 72px; }
.page-me{ padding-block: 40px 72px; }
.page-auth{ padding-block: 56px 72px; }

/* 原型里的客服二维码是占位方块（.qr-ph），线上换成真实图片：同一个 img 在
   四个位置各有一套尺寸，跟原型占位块一致。 */
img.qr-img{ width: 150px; height: 150px; border-radius: 10px; border: 1px solid var(--border);
            background: var(--bg-elev); object-fit: contain; display: block; }
.contact-box img.qr-img{ width: 120px; height: 120px; }
.pay-guide img.qr-img{ width: 130px; height: 130px; }
.foot-qr img.qr-img{ width: 96px; height: 96px; border-radius: 8px; }