/* ==========================================================================
   朱雀助手官网样式
   纯静态、无构建步骤。配色取自 App 图标（橙红渐变），深色区块用于强调安全与合规。
   断点：1080px（平板横向）/ 900px（平板纵向）/ 620px（手机）
   ========================================================================== */

:root {
  --brand: #e8452b;
  --brand-2: #ff7a2f;
  --brand-3: #ffb020;
  --brand-soft: rgba(232, 69, 43, 0.10);
  --ink: #141726;
  --ink-2: #4a5064;
  --ink-3: #7a8095;
  --bg: #ffffff;
  --tint: #f7f8fc;
  --line: #e8eaf2;
  --dark: #0f1424;
  --dark-2: #171d31;
  --ok: #1f9d55;
  --radius: 16px;
  --radius-sm: 10px;
  --wrap: 1180px;
  --shadow-sm: 0 1px 2px rgba(20, 23, 38, 0.05), 0 6px 20px rgba(20, 23, 38, 0.05);
  --shadow-md: 0 12px 40px rgba(20, 23, 38, 0.10);
  --grad: linear-gradient(135deg, #ff9a3d 0%, #f2542d 48%, #c9220f 100%);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", "Source Han Sans CN", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* [hidden] 在 UA 样式里只是 display:none，可能被其它 class 选择器的 display
   覆盖掉；这里统一兜一层，保证 hidden 属性始终生效。 */
[hidden] { display: none !important; }

::selection { background: rgba(232, 69, 43, 0.18); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}
.wrap--narrow { max-width: 860px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 42px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease,
    border-color 0.15s ease, box-shadow 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--lg { height: 52px; padding: 0 30px; font-size: 16px; }

.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 24px rgba(232, 69, 43, 0.28);
}
.btn--primary:hover { box-shadow: 0 10px 30px rgba(232, 69, 43, 0.38); }

.btn--ghost {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: #cfd3e0; color: var(--ink); }

.btn--outline {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
}
.btn--outline:hover { background: rgba(255, 255, 255, 0.14); }

/* ---------- 公告条 ---------- */
.notice {
  background: var(--ink);
  color: #fff;
}
.notice__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  font-size: 14px;
}
.notice__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-3);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.18);
  flex: none;
}
.notice p { color: rgba(255, 255, 255, 0.86); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.nav.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(20, 23, 38, 0.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 68px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
}
.brand__logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
}
.brand__name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-right: auto;
  font-size: 15px;
  color: var(--ink-2);
}
.nav__links a {
  position: relative;
  padding: 6px 0;
  transition: color 0.15s ease;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transition: right 0.2s ease;
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { right: 0; }
.nav__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}
.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  flex-direction: column;
  justify-content: space-between;
}
.nav__toggle span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -10%, rgba(232, 69, 43, 0.30), transparent 62%),
    radial-gradient(700px 420px at 8% 8%, rgba(255, 176, 32, 0.16), transparent 60%),
    linear-gradient(180deg, #0f1424 0%, #141a2e 58%, #171d34 100%);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 30%, #000 0%, transparent 100%);
  pointer-events: none;
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero__glow--1 {
  width: 380px;
  height: 380px;
  right: -80px;
  top: 60px;
  background: rgba(242, 84, 45, 0.35);
}
.hero__glow--2 {
  width: 300px;
  height: 300px;
  left: -120px;
  bottom: -120px;
  background: rgba(255, 176, 32, 0.16);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px;
  align-items: center;
  padding-top: 92px;
  padding-bottom: 96px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 32px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  letter-spacing: 0.4px;
}
.eyebrow i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand-3);
  box-shadow: 0 0 0 4px rgba(255, 176, 32, 0.18);
}

.hero h1 {
  margin-top: 22px;
  font-size: 58px;
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -1px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #ffd28a 0%, #ff9a3d 38%, #ff5a35 82%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  max-width: 560px;
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16.5px;
  line-height: 1.85;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}
.hero__meta li {
  position: relative;
  padding-left: 18px;
}
.hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: rgba(255, 154, 61, 0.9);
}

/* ---------- Hero 报告卡片 ---------- */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.report {
  width: 100%;
  max-width: 430px;
  padding: 24px;
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfe 100%);
  color: var(--ink);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), 0 2px 0 rgba(255, 255, 255, 0.6) inset;
  transform: rotate(-1.2deg);
}
.report__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}
.report__kicker {
  font-size: 17px;
  font-weight: 700;
}
.report__no {
  margin-top: 3px;
  color: var(--ink-3);
  font-size: 12px;
  letter-spacing: 0.3px;
}
.report__badge {
  flex: none;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(31, 157, 85, 0.10);
  color: var(--ok);
  font-size: 12px;
  font-weight: 600;
}
.report__score {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #fff5ef 0%, #fffaf4 100%);
  border: 1px solid #ffe6d6;
}
.score {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 86px;
  height: 86px;
  border-radius: 50%;
  background:
    radial-gradient(closest-side, #fff 78%, transparent 79% 100%),
    conic-gradient(#f2542d 0deg 295deg, #ffe0d2 295deg 360deg);
  flex: none;
}
.score__num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  color: var(--brand);
}
.score__unit {
  margin-top: 2px;
  color: var(--ink-3);
  font-size: 11px;
}
.score__label {
  font-size: 15px;
  font-weight: 700;
}
.score__hint {
  margin-top: 4px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
}
.report__rows {
  margin-top: 18px;
  border-top: 1px dashed #eceef5;
}
.report__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 2px;
  border-bottom: 1px dashed #eceef5;
  font-size: 13.5px;
}
.report__row span { color: var(--ink-3); }
.report__row b { font-weight: 600; }
.report__row .ok { color: var(--ok); }
.report__foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  color: var(--ink-3);
  font-size: 12px;
}
.report__lock::before { content: "🔒 "; }

.float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  font-size: 12.5px;
  line-height: 1.35;
}
.float b { display: block; font-size: 13px; }
.float small { color: var(--ink-3); font-size: 11.5px; }
.float__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: rgba(31, 157, 85, 0.12);
  color: var(--ok);
  font-size: 15px;
  flex: none;
}
.float__icon--fast {
  background: rgba(232, 69, 43, 0.10);
  color: var(--brand);
}
.float--auth { left: -22px; bottom: -46px; }
.float--time { right: -10px; top: 56px; }

/* ---------- 数字条 ---------- */
.stats {
  position: relative;
  z-index: 2;
  margin-top: -34px;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 26px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.stat {
  text-align: center;
  padding: 6px 10px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat b {
  display: block;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { color: var(--ink-3); font-size: 13.5px; }

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; }
.section--tint { background: var(--tint); }
.section--dark {
  background:
    radial-gradient(700px 380px at 88% 0%, rgba(232, 69, 43, 0.18), transparent 65%),
    linear-gradient(180deg, #0f1424 0%, #141a2e 100%);
  color: #fff;
}
.section__head {
  max-width: 700px;
  margin: 0 auto 48px;
  text-align: center;
}
.section__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 1px;
}
.section__head h2 {
  font-size: 36px;
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.section__head p {
  margin-top: 14px;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.8;
}
.section__head--light h2 { color: #fff; }
.section__head--light p { color: rgba(255, 255, 255, 0.62); }
.section__head--light .section__tag {
  background: rgba(255, 154, 61, 0.14);
  color: #ffb37a;
}
.section__note {
  margin-top: 22px;
  color: var(--ink-3);
  font-size: 13.5px;
  text-align: center;
}

/* ---------- 产品栅格 ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.product {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.product:hover {
  transform: translateY(-4px);
  border-color: #f3cbbf;
  box-shadow: 0 18px 44px rgba(20, 23, 38, 0.10);
}
.product__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  font-size: 21px;
}
.product h3 {
  margin-top: 16px;
  font-size: 17.5px;
  font-weight: 700;
}
.product p {
  margin-top: 8px;
  color: var(--ink-2);
  font-size: 13.5px;
  line-height: 1.75;
  flex: 1;
}
.product__foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.price {
  color: var(--brand);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.price small { font-size: 12px; font-weight: 500; color: var(--ink-3); }
.product__go { color: var(--ink-3); font-size: 13px; }
.product.is-off { opacity: 0.62; }
.product.is-off .product__go { color: var(--ink-3); }
.product__state {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  border-radius: 999px;
  background: #f1f2f7;
  color: var(--ink-3);
  font-size: 11px;
  font-weight: 600;
  vertical-align: 2px;
}

/* ---------- 场景 ---------- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.scene {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.scene:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.scene__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fff1e8, #ffe4d6);
  font-size: 19px;
}
.scene h3 { margin-top: 16px; font-size: 17px; font-weight: 700; }
.scene p { margin-top: 7px; color: var(--ink-2); font-size: 13.5px; line-height: 1.75; }

/* ---------- 流程 ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 30px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.step__no {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--brand);
}
.step h3 { margin-top: 10px; font-size: 18px; font-weight: 700; }
.step p { margin-top: 8px; color: var(--ink-2); font-size: 13.5px; line-height: 1.8; }
.step::after {
  content: "→";
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  color: #cdd2e0;
  font-size: 18px;
}
.step:last-child::after { content: none; }
.process__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 40px;
  color: var(--ink-3);
  font-size: 13.5px;
}
.process__cta a { color: var(--brand); font-weight: 600; }

/* ---------- 安全合规 ---------- */
.sec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.sec {
  padding: 26px 22px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}
.sec__no {
  display: inline-block;
  color: #ff9a3d;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
}
.sec h3 {
  margin-top: 10px;
  color: #fff;
  font-size: 16.5px;
  font-weight: 700;
}
.sec p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13.5px;
  line-height: 1.8;
}

/* ---------- FAQ ---------- */
.faq {
  border-top: 1px solid var(--line);
}
.faq__item {
  border-bottom: 1px solid var(--line);
}
.faq__item summary {
  position: relative;
  padding: 22px 42px 22px 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  line-height: 24px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink-3);
  font-weight: 400;
  transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.faq__item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
  color: var(--brand);
  border-color: #f3cbbf;
}
.faq__body { padding: 0 40px 22px 0; }
.faq__body p { color: var(--ink-2); font-size: 14.5px; line-height: 1.85; }

/* ---------- 底部 CTA ---------- */
.cta {
  padding: 72px 0;
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(255, 176, 32, 0.18), transparent 60%),
    linear-gradient(120deg, #fff4ec 0%, #ffffff 45%, #fff7f1 100%);
  border-top: 1px solid #ffe9dc;
  border-bottom: 1px solid #ffe9dc;
}
.cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta h2 { font-size: 30px; font-weight: 800; letter-spacing: -0.4px; }
.cta p { margin-top: 10px; color: var(--ink-2); font-size: 15px; }
.cta__actions { display: flex; gap: 12px; flex: none; }
.cta .btn--outline {
  background: #fff;
  color: var(--ink);
  border-color: #e6e8f0;
}
.cta .btn--outline:hover { background: #f7f8fc; }

/* ---------- 页脚 ---------- */
.footer {
  padding: 64px 0 28px;
  background: #fff;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 0.8fr));
  gap: 36px;
}
.footer__brand p {
  margin-top: 12px;
  color: var(--ink-3);
  font-size: 13.5px;
}
.footer__warn {
  max-width: 380px;
  color: #9aa0b2 !important;
  font-size: 12.5px !important;
  line-height: 1.7;
}
.footer__col h4 {
  margin-bottom: 14px;
  font-size: 14px;
  font-weight: 700;
}
.footer__col a,
.footer__col p {
  display: block;
  margin-bottom: 9px;
  color: var(--ink-3);
  font-size: 13.5px;
}
.footer__col a:hover { color: var(--brand); }
.footer__company { color: var(--ink) !important; font-weight: 600; }
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 46px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 12.5px;
}
.footer__bottom a { color: var(--ink-3); }
.footer__bottom a:hover { color: var(--brand); }
.footer__sep { margin: 0 8px; }
.footer__made { white-space: nowrap; }

/* ---------- 悬浮按钮 ---------- */
.fab {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fab__btn {
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink-2);
  font-size: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.fab__btn:hover { transform: translateY(-2px); color: var(--brand); border-color: #f3cbbf; }

/* ---------- 轻提示 ---------- */
.site-toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  z-index: 100;
  max-width: calc(100vw - 48px);
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(15, 20, 36, 0.92);
  color: #fff;
  font-size: 13.5px;
  line-height: 1.6;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
  transform: translate(-50%, 12px);
  opacity: 0;
  transition: opacity 0.22s ease, transform 0.22s ease;
  pointer-events: none;
}
.site-toast.is-show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero h1 { font-size: 48px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .nav__links,
  .nav__actions { display: none; }
  .nav__toggle { display: flex; }

  .nav.is-open .nav__links,
  .nav.is-open .nav__actions {
    display: flex;
  }
  .nav.is-open .nav__inner {
    height: auto;
    flex-wrap: wrap;
    padding-top: 12px;
    padding-bottom: 16px;
    gap: 14px;
  }
  .nav.is-open .nav__links {
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin: 0;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }
  .nav.is-open .nav__links a { padding: 9px 0; width: 100%; }
  .nav.is-open .nav__links a::after { display: none; }
  .nav.is-open .nav__actions {
    order: 4;
    width: 100%;
  }
  .nav.is-open .nav__actions .btn { flex: 1; }
  .nav.is-open .nav__toggle { margin-left: auto; }

  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 72px;
  }
  .hero__visual { order: 2; }
  .hero__lead { max-width: none; }
  .float--auth { left: 0; bottom: -36px; }
  .float--time { right: 4px; top: 30px; }

  .stats { margin-top: -28px; }
  .stats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 0; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); padding-bottom: 16px; }
  .stat:nth-child(n + 3) { padding-top: 16px; }

  .scene-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .step::after { content: none; }

  .cta__inner { flex-direction: column; align-items: flex-start; }
  .cta h2 { font-size: 25px; }

  .footer__bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .wrap { padding: 0 18px; }

  .nav__inner { height: 60px; gap: 12px; }
  .brand__logo { width: 30px; height: 30px; }
  .brand__name { font-size: 17px; }

  .section { padding: 64px 0; }
  .section__head { margin-bottom: 32px; }
  .section__head h2 { font-size: 26px; }
  .section__head p { font-size: 14px; }

  .hero__inner { padding-top: 46px; padding-bottom: 56px; gap: 40px; }
  .hero h1 { margin-top: 18px; font-size: 38px; }
  .hero__lead { margin-top: 16px; font-size: 15px; }
  .hero__actions { margin-top: 26px; gap: 10px; }
  .hero__actions .btn { flex: 1; min-width: 140px; }
  .hero__meta { margin-top: 22px; gap: 8px 18px; font-size: 13px; }

  .report { padding: 18px; border-radius: 18px; transform: none; }
  .report__score { gap: 14px; padding: 14px; }
  .score { width: 74px; height: 74px; }
  .score__num { font-size: 26px; }
  .report__row { font-size: 13px; }
  .float { display: none; }

  .stats__grid { padding: 18px 6px; }
  .stat b { font-size: 24px; }
  .stat span { font-size: 12px; }

  .product-grid,
  .scene-grid,
  .sec-grid { grid-template-columns: minmax(0, 1fr); }

  .product { padding: 20px; }
  .scene { padding: 20px; }
  .step { padding: 22px 20px; }

  .process__cta { flex-direction: column; gap: 12px; }
  .process__cta .btn { width: 100%; }

  .faq__item summary { padding: 18px 38px 18px 0; font-size: 15px; }
  .faq__body { padding-right: 0; }

  .cta { padding: 52px 0; }
  .cta__actions { width: 100%; }
  .cta__actions .btn { flex: 1; }

  .footer { padding-top: 46px; }
  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer__bottom { margin-top: 30px; }

  .fab { right: 14px; bottom: 16px; }
}