/* ==========================================================================
   最放心记账 · 官网样式
   品牌色与小程序保持一致：--primary #0aa96c
   ========================================================================== */

:root {
  --primary: #0aa96c;
  --primary-dark: #078a58;
  --primary-soft: #e7f7ef;
  --primary-line: #c9ecdc;
  --ink: #1b2230;
  --ink-2: #5c6879;
  --ink-3: #98a2b3;
  --line: #eaeef3;
  --bg: #f7f9fa;
  --card: #ffffff;
  --red: #e8543f;
  --amber: #b06b16;
  --amber-soft: #fff5e6;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow-sm: 0 2px 8px rgba(22, 42, 60, .04);
  --shadow: 0 12px 32px rgba(22, 42, 60, .07);
  --shadow-lg: 0 28px 70px rgba(12, 60, 40, .13);
  --max: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 999;
  background: var(--primary); color: #fff; padding: 10px 18px; border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s, box-shadow .2s;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 6px 20px rgba(22, 42, 60, .05); }
.nav-inner { display: flex; align-items: center; gap: 28px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.2px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 11px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, #17c07f, var(--primary));
  box-shadow: 0 6px 14px rgba(10, 169, 108, .28);
  flex: none;
}
.brand-text { font-size: 17px; }

.nav-links { display: flex; align-items: center; gap: 26px; margin-left: 6px; }
.nav-links a {
  font-size: 15px; color: var(--ink-2); padding: 6px 0; position: relative;
  transition: color .18s;
}
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-links a.on::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  border-radius: 2px; background: var(--primary);
}
.nav-cta { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none; width: 40px; height: 40px; border: 1px solid var(--line);
  background: #fff; border-radius: 11px; padding: 0; align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav-toggle span { display: block; width: 16px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav.open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 24px; border-radius: 13px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; letter-spacing: .2px;
  transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--primary); color: #fff;
  box-shadow: 0 10px 22px rgba(10, 169, 108, .24);
}
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 14px 28px rgba(10, 169, 108, .3); }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { border-color: #d6dde5; }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 11px; box-shadow: none; }
.btn-lg { height: 54px; padding: 0 30px; font-size: 16px; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 72px 0 84px;
  background:
    radial-gradient(900px 480px at 82% -10%, #dff6ea 0%, rgba(223, 246, 234, 0) 62%),
    radial-gradient(620px 380px at 6% 8%, #eef4ff 0%, rgba(238, 244, 255, 0) 58%),
    linear-gradient(180deg, #fbfdfc 0%, var(--bg) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(27, 34, 48, .055) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(180deg, transparent 40%, #000 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 40%, #000 100%);
  opacity: .5;
}
.hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center;
}

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 14px; border-radius: 999px;
  background: #fff; border: 1px solid var(--primary-line);
  color: var(--primary-dark); font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(10, 169, 108, .14); }

.hero h1 {
  margin: 20px 0 0;
  font-size: clamp(34px, 4.4vw, 54px);
  line-height: 1.18;
  letter-spacing: -1.4px;
  font-weight: 800;
}
.hero h1 em { font-style: normal; color: var(--primary); position: relative; white-space: nowrap; }
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
  background: rgba(10, 169, 108, .14); border-radius: 6px; z-index: -1;
}
.hero .lead {
  margin-top: 18px; font-size: 17px; line-height: 1.75; color: var(--ink-2); max-width: 30em;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-note { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.5px; color: var(--ink-3); }
.hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.hero-note svg { color: var(--primary); flex: none; }

/* ---------- 手机 Mock ---------- */
.phone-stage { position: relative; display: flex; justify-content: center; }
.phone-stage::before {
  content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%;
  background: radial-gradient(circle, rgba(10, 169, 108, .18), rgba(10, 169, 108, 0) 68%);
  top: 30px; filter: blur(6px);
}
.phone {
  position: relative; width: 286px; border-radius: 42px; padding: 9px;
  background: linear-gradient(160deg, #2b3444, #171d27);
  box-shadow: 0 34px 64px rgba(18, 40, 34, .26), 0 3px 0 rgba(255, 255, 255, .18) inset;
}
.phone-screen {
  border-radius: 34px; background: #f4f6f8; overflow: hidden; height: 552px;
  display: flex; flex-direction: column;
}
.phone-status {
  height: 30px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px; font-size: 11px; font-weight: 600; color: #fff;
  background: linear-gradient(135deg, #0cb474, #089a63);
}
.phone-hero {
  background: linear-gradient(150deg, #0cb474, #079a63);
  padding: 4px 18px 22px; color: #fff;
}
.phone-hero .label { font-size: 11px; opacity: .82; letter-spacing: .4px; }
.phone-hero .total { font-size: 30px; font-weight: 700; letter-spacing: -1px; margin-top: 2px; }
.phone-hero .total small { font-size: 15px; font-weight: 500; margin-right: 2px; }
.phone-hero .sub { display: flex; gap: 22px; margin-top: 12px; font-size: 11.5px; opacity: .9; }
.phone-hero .sub b { font-weight: 600; }

.phone-body { padding: 14px 14px 0; flex: 1; overflow: hidden; }
.phone-card { background: #fff; border-radius: 16px; padding: 13px 14px; box-shadow: 0 4px 14px rgba(22, 42, 60, .06); }
.phone-card + .phone-card { margin-top: 10px; }
.phone-card-head { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--ink-2); }
.phone-card-head b { color: var(--ink); font-size: 12.5px; }
.phone-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid #f4f6f9; }
.phone-row:last-child { border-bottom: 0; padding-bottom: 2px; }
.phone-ico {
  width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center;
  font-size: 13px; flex: none; background: var(--primary-soft); color: var(--primary-dark);
}
.phone-ico.warn { background: var(--amber-soft); color: var(--amber); }
.phone-ico.blue { background: #eaf1ff; color: #3a7afe; }
.phone-row-main { flex: 1; min-width: 0; }
.phone-row-main b { display: block; font-size: 12.5px; font-weight: 600; }
.phone-row-main span { font-size: 10.5px; color: var(--ink-3); }
.phone-amt { font-size: 13px; font-weight: 700; color: var(--red); }
.phone-amt.in { color: var(--primary); }

.phone-tab {
  height: 54px; background: #fff; border-top: 1px solid #eef1f5;
  display: flex; align-items: center; justify-content: space-around; padding: 0 6px;
}
.phone-tab i { display: block; width: 16px; height: 16px; border-radius: 5px; background: #d5dce4; }
.phone-tab .active i { background: var(--primary); }
.phone-tab .add i { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); box-shadow: 0 6px 14px rgba(10, 169, 108, .3); }

.hero-qr {
  position: absolute; right: -18px; bottom: 24px; width: 236px;
  display: flex; gap: 12px; align-items: center;
  background: #fff; border-radius: 18px; padding: 12px;
  box-shadow: var(--shadow-lg); border: 1px solid rgba(255, 255, 255, .6);
  transform: rotate(-2deg);
}
.hero-qr .qr-frame { width: 86px; height: 86px; border-radius: 12px; flex: none; }
.hero-qr .qr-body { min-width: 0; }
.hero-qr .qr-title { font-size: 13px; font-weight: 700; line-height: 1.35; }
.hero-qr .qr-tip { display: none; }
.hero-qr .qr-dl { display: none; }

/* ---------- 二维码卡片（通用） ---------- */
.qr-card {
  display: flex; gap: 16px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow-sm);
}
.qr-frame {
  width: 120px; height: 120px; border-radius: 14px; overflow: hidden; flex: none;
  border: 1px solid var(--line); background: #fff; padding: 6px;
}
.qr-frame img { width: 100%; height: 100%; object-fit: contain; border-radius: 8px; }
.qr-title { font-size: 15px; font-weight: 700; }
.qr-tip { margin-top: 4px; font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.qr-dl { margin-top: 10px; height: 36px; }

/* ---------- 通用区块 ---------- */
.section { padding: 84px 0; }
.section.alt { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 1.4px;
  color: var(--primary-dark); text-transform: uppercase; margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.28; letter-spacing: -.8px; font-weight: 800; }
.section-head p { margin-top: 14px; color: var(--ink-2); font-size: 16.5px; }

/* ---------- 痛点 ---------- */
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pain {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-sm);
}
.pain .x { font-size: 13px; font-weight: 700; color: var(--red); background: #fdeceb; border-radius: 999px; padding: 3px 10px; display: inline-block; }
.pain h3 { margin-top: 14px; font-size: 17.5px; font-weight: 700; }
.pain p { margin-top: 8px; font-size: 14.5px; color: var(--ink-2); }
.pain .y { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 14.5px; color: var(--primary-dark); font-weight: 600; display: flex; gap: 8px; }
.pain .y svg { flex: none; margin-top: 3px; }

/* ---------- 功能区 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px; box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .22s, border-color .2s;
}
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #dceee5; }
.feature .ico {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--primary-soft); color: var(--primary-dark); margin-bottom: 16px;
}
.feature h3 { font-size: 17px; font-weight: 700; }
.feature p { margin-top: 8px; font-size: 14.5px; color: var(--ink-2); }
.feature .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.feature .tags span { font-size: 12px; color: var(--ink-3); background: #f5f7f9; border-radius: 7px; padding: 3px 8px; }

/* ---------- 场景 ---------- */
.scene-list { display: grid; gap: 20px; }
.scene {
  display: grid; grid-template-columns: 84px 1fr; gap: 24px; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 32px; box-shadow: var(--shadow-sm);
}
.scene .num {
  font-size: 13px; font-weight: 800; color: var(--primary); letter-spacing: 1px;
  background: var(--primary-soft); border-radius: 12px; padding: 10px 0; text-align: center;
}
.scene h3 { font-size: 20px; font-weight: 700; letter-spacing: -.3px; }
.scene p { margin-top: 8px; color: var(--ink-2); font-size: 15px; }
.scene ul { margin-top: 14px; display: grid; gap: 8px; }
.scene li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-2); }
.scene li::before {
  content: ""; position: absolute; left: 2px; top: 8px; width: 9px; height: 9px;
  border-radius: 3px; background: var(--primary-soft); border: 2px solid var(--primary);
}

/* ---------- 三步 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; }
.step {
  position: relative; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow-sm);
}
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-size: 13px; font-weight: 800; color: var(--primary);
  background: var(--primary-soft); border-radius: 8px; padding: 4px 9px;
  display: inline-block;
}
.step h3 { margin-top: 14px; font-size: 17px; font-weight: 700; }
.step p { margin-top: 8px; font-size: 14.5px; color: var(--ink-2); }

/* ---------- 隐私 ---------- */
.privacy-box {
  display: grid; grid-template-columns: 1.02fr .98fr; gap: 40px; align-items: center;
  background: linear-gradient(150deg, #0c9d67 0%, #08915f 55%, #077a51 100%);
  border-radius: var(--radius-lg); padding: 52px; color: #fff; position: relative; overflow: hidden;
}
.privacy-box::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: rgba(255, 255, 255, .08);
}
.privacy-box .eyebrow { color: #b9f2d6; }
.privacy-box h2 { font-size: clamp(24px, 2.6vw, 32px); line-height: 1.3; letter-spacing: -.6px; }
.privacy-box p { margin-top: 14px; color: rgba(255, 255, 255, .84); font-size: 15.5px; }
.privacy-points { display: grid; gap: 12px; position: relative; z-index: 2; }
.privacy-point {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 14px; padding: 14px 16px;
}
.privacy-point b { display: block; font-size: 14.5px; }
.privacy-point span { font-size: 13px; color: rgba(255, 255, 255, .76); }
.privacy-point .ck { flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(255, 255, 255, .18); display: grid; place-items: center; margin-top: 2px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 10px; }
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 0 22px; box-shadow: var(--shadow-sm); overflow: hidden;
}
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; font-size: 15.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; width: 9px; height: 9px; flex: none;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg); transition: transform .2s; margin-right: 3px;
}
.faq details[open] summary::after { transform: rotate(-135deg); }
.faq details[open] summary { color: var(--primary-dark); }
.faq .a { padding: 0 0 18px; font-size: 14.5px; color: var(--ink-2); border-top: 1px dashed var(--line); padding-top: 14px; }
.faq .a code, .contact-copy code { background: #f1f3f6; border-radius: 6px; padding: 2px 6px; font-family: Menlo, Consolas, monospace; font-size: 13px; color: var(--ink); }

/* ---------- CTA ---------- */
.cta { padding: 0 0 88px; }
.cta-box {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 44px; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center;
  box-shadow: var(--shadow);
}
.cta-box h2 { font-size: clamp(24px, 2.8vw, 32px); letter-spacing: -.6px; font-weight: 800; }
.cta-box p { margin-top: 10px; color: var(--ink-2); }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.foot { background: #fff; border-top: 1px solid var(--line); padding: 56px 0 26px; }
.foot-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-desc { margin-top: 14px; color: var(--ink-3); font-size: 13.5px; line-height: 1.8; }
.foot-contact { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--ink-2); }
.fc-item { display: inline-flex; align-items: baseline; gap: 5px; }
.fc-item i { font-style: normal; color: var(--ink-3); font-size: 12px; }
.fc-item b { font-weight: 600; color: var(--ink-2); }
.fc-item a:hover { color: var(--primary-dark); }
.foot-col h4 { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 14px; letter-spacing: .3px; }
.foot-col a { display: block; font-size: 13.5px; color: var(--ink-3); padding: 4px 0; transition: color .16s; }
.foot-col a:hover { color: var(--primary-dark); }
.foot-bottom {
  margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 12.5px; color: var(--ink-3);
}
.foot-meta { display: inline-flex; gap: 16px; flex-wrap: wrap; }
.foot-meta a:hover { color: var(--primary-dark); }

/* ---------- 联系站长 ---------- */
.contact-box {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 46px; box-shadow: var(--shadow-sm);
}
.contact-copy h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.6px; font-weight: 800; }
.contact-copy p { margin-top: 14px; color: var(--ink-2); font-size: 15.5px; line-height: 1.8; }
.contact-points { margin-top: 18px; display: grid; gap: 8px; }
.contact-points li { position: relative; padding-left: 20px; font-size: 14px; color: var(--ink-2); }
.contact-points li::before {
  content: ""; position: absolute; left: 0; top: 7px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--primary-soft); border: 2px solid var(--primary);
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.contact-item {
  background: #f7faf8; border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 16px 14px; display: flex; flex-direction: column; gap: 6px;
}
.ci-label { font-size: 12.5px; color: var(--ink-3); letter-spacing: .4px; }
.ci-value { font-size: 16px; font-weight: 700; color: var(--ink); word-break: break-all; font-variant-numeric: tabular-nums; }
a.ci-value:hover { color: var(--primary-dark); }
.ci-copy {
  align-self: flex-start; margin-top: 2px; border: 1px solid var(--primary-line);
  background: var(--primary-soft); color: var(--primary-dark); cursor: pointer;
  font-size: 12.5px; font-weight: 600; border-radius: 999px; padding: 4px 12px;
  font-family: inherit; transition: background .16s;
}
.ci-copy:hover { background: #d8f3e6; }
.ci-copy.done { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- 公告条 ---------- */
.announce {
  background: var(--primary-soft); border-bottom: 1px solid var(--primary-line);
  color: var(--primary-dark); font-size: 13.5px; text-align: center; padding: 9px 24px;
}

/* ---------- 下载页 ---------- */
.dl-hero { padding: 64px 0 40px; background: linear-gradient(180deg, #f2fbf6, var(--bg)); }
.dl-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 44px; align-items: center; }
.dl-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px; box-shadow: var(--shadow); text-align: center;
}
.dl-card .qr-frame { width: 260px; height: 260px; margin: 0 auto 20px; border-radius: 20px; padding: 10px; }
.dl-card h2 { font-size: 20px; font-weight: 700; }
.dl-card .qr-tip { margin-top: 6px; }
.dl-actions { display: flex; gap: 10px; justify-content: center; margin-top: 18px; flex-wrap: wrap; }
.dl-hint {
  margin-top: 18px; padding: 12px 14px; background: #f7f9fa; border-radius: 12px;
  font-size: 13px; color: var(--ink-2); text-align: left; line-height: 1.7;
}
.dl-steps { display: grid; gap: 14px; margin-top: 26px; }
.dl-step { display: flex; gap: 14px; align-items: flex-start; }
.dl-step .n {
  width: 30px; height: 30px; border-radius: 10px; flex: none; display: grid; place-items: center;
  background: var(--primary); color: #fff; font-size: 13px; font-weight: 700;
}
.dl-step b { font-size: 15px; }
.dl-step p { font-size: 14px; color: var(--ink-2); margin-top: 2px; }

.history { margin-top: 12px; display: grid; gap: 10px; }
.history-item {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px;
  display: flex; align-items: center; gap: 14px; box-shadow: var(--shadow-sm);
}
.history-item .tag { font-size: 11.5px; font-weight: 700; color: var(--primary-dark); background: var(--primary-soft); border-radius: 6px; padding: 2px 8px; }
.history-item b { font-size: 14.5px; }
.history-item span { font-size: 12.5px; color: var(--ink-3); }
.history-item .right { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.history-item .right a { font-size: 13px; color: var(--primary-dark); }
.empty-box {
  background: #fff; border: 1px dashed #d5dde5; border-radius: 16px; padding: 34px;
  text-align: center; color: var(--ink-3); font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { gap: 32px; }
  .hero-qr { right: 0; width: 220px; }
  .privacy-box { padding: 40px; gap: 28px; }
  .foot-inner { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav.open .nav-links {
    display: flex; position: absolute; left: 0; right: 0; top: 68px;
    flex-direction: column; align-items: flex-start; gap: 4px;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 14px 24px 20px; box-shadow: 0 18px 30px rgba(22, 42, 60, .08);
  }
  .nav.open .nav-links a { width: 100%; padding: 10px 0; font-size: 15.5px; }
  .nav.open .nav-links a.on::after { display: none; }

  .hero { padding: 48px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .phone-stage { order: -1; margin-bottom: 8px; transform: scale(.94); }
  .hero-qr { position: relative; right: auto; bottom: auto; margin: 22px auto 0; transform: none; width: 100%; max-width: 340px; }

  .pain-grid, .feature-grid, .steps { grid-template-columns: 1fr 1fr; }
  .privacy-box { grid-template-columns: 1fr; padding: 34px; }
  .contact-box { grid-template-columns: 1fr; padding: 32px; gap: 28px; }
  .cta-box { grid-template-columns: 1fr; padding: 32px; }
  .dl-grid { grid-template-columns: 1fr; }
  .dl-card .qr-frame { width: 220px; height: 220px; }
  .foot-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .section { padding: 62px 0; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 18px; }
  .hero h1 { letter-spacing: -.8px; }
  .hero .lead { font-size: 15.5px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .pain-grid, .feature-grid, .steps { grid-template-columns: 1fr; }
  .scene { grid-template-columns: 1fr; gap: 14px; padding: 24px; }
  .scene .num { width: 56px; padding: 6px 0; }
  .cta { padding-bottom: 62px; }
  .cta-actions .btn { flex: 1 1 auto; }
  .foot-inner { grid-template-columns: 1fr 1fr; }
  .foot-bottom { flex-direction: column; }
  .contact-grid { grid-template-columns: 1fr; }
  .phone { width: 262px; }
  .phone-screen { height: 508px; }
  .hero-qr { padding: 12px; }
  .dl-card { padding: 22px; }
}

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