/* ==========================================================================
   钰楠涛 · 银行返点结算平台 · 站点样式
   纯手写 CSS，无任何外部依赖（无 CDN / 无字体请求），可离线运行
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  --bg:        #070B14;
  --bg-alt:    #0A1019;
  --surface:   rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --line:      rgba(255, 255, 255, 0.09);
  --line-2:    rgba(255, 255, 255, 0.16);

  --text:      #E8ECF5;
  --text-mid:  #A6B0C4;
  --text-dim:  #6E7A92;

  --blue:      #3B82F6;
  --teal:      #06B6D4;
  --violet:    #8B5CF6;
  --amber:     #E0B252;
  --gold:      #E8C36A;
  --green:     #34D399;
  --red:       #F87171;

  --grad: linear-gradient(100deg, #3B82F6 0%, #06B6D4 100%);
  --radius: 16px;
  --radius-lg: 22px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.8);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --wrap: 1160px;
  --nav-h: 68px;
}

/* ---------- 基础重置 ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: rgba(59, 130, 246, 0.35); }

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

/* ---------- 背景光晕 ---------- */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}
.glow-a {
  width: 620px; height: 620px; top: -260px; left: -160px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.5), transparent 70%);
}
.glow-b {
  width: 560px; height: 560px; top: 120px; right: -220px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.36), transparent 70%);
}

/* ==========================================================================
   导航栏
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.is-stuck {
  background: rgba(7, 11, 20, 0.8);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad);
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 6px 18px -6px rgba(59, 130, 246, 0.95);
  flex: none;
}
.brand-text { font-size: 17px; letter-spacing: 0.5px; }
.brand-text em {
  font-style: normal; font-weight: 500; font-size: 13px;
  color: var(--text-dim); margin-left: 6px;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 8px 13px; border-radius: 999px;
  font-size: 14.5px; color: var(--text-mid);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-2); }
.nav-links .nav-cta {
  margin-left: 8px;
  color: #fff;
  background: var(--grad);
  font-weight: 600;
  box-shadow: 0 8px 22px -10px rgba(59, 130, 246, 1);
}
.nav-links .nav-cta:hover { background: var(--grad); filter: brightness(1.08); }

.burger { display: none; width: 40px; height: 40px; border-radius: 10px; }
.burger span {
  display: block; width: 18px; height: 2px; margin: 4px auto;
  background: var(--text); border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { position: relative; z-index: 1; padding: 72px 0 40px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 56px;
  align-items: center;
}

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-size: 13px; color: var(--text-mid);
  margin-bottom: 24px;
}
.pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
  animation: pulse 2.4s infinite;
  flex: none;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18); }
  50%      { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0.05); }
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead { font-size: 17.5px; color: var(--text-mid); max-width: 34em; margin-bottom: 32px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 12px;
  font-size: 15.5px; font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease), filter 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 14px 34px -14px rgba(59, 130, 246, 1);
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost {
  background: var(--surface); color: var(--text);
  border-color: var(--line-2);
}
.btn-ghost:hover { background: var(--surface-2); border-color: rgba(255,255,255,0.28); }
.btn.full { width: 100%; }

.hero-meta {
  display: flex; flex-wrap: wrap; gap: 36px;
  padding-top: 26px; border-top: 1px solid var(--line);
}
.hero-meta li { display: flex; flex-direction: column; }
.hero-meta strong { font-size: 21px; font-weight: 700; letter-spacing: -0.3px; }
.hero-meta span { font-size: 13px; color: var(--text-dim); }

/* ---------- Hero 结算单模型 ---------- */
.hero-visual { perspective: 1400px; position: relative; }
.mock {
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: rotateY(-7deg) rotateX(3deg);
  transition: transform 0.6s var(--ease);
}
.hero-visual:hover .mock { transform: rotateY(-2deg) rotateX(1deg) translateY(-4px); }

.mock-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
}
.tl { width: 10px; height: 10px; border-radius: 50%; }
.tl.red    { background: #FF5F57; }
.tl.yellow { background: #FEBC2E; }
.tl.green  { background: #28C840; }
.mock-url {
  margin-left: 12px; font-size: 11.5px; color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.mock-sheet { padding: 18px; }

.sheet-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 12px; margin-bottom: 16px;
}
.sheet-label { display: block; font-size: 11.5px; color: var(--text-dim); margin-bottom: 2px; }
.sheet-head strong { font-size: 16px; font-weight: 700; }
.sheet-badge {
  font-size: 11.5px; font-weight: 700;
  color: var(--green);
  padding: 3px 10px; border-radius: 999px;
  background: rgba(52,211,153,0.11);
  border: 1px solid rgba(52,211,153,0.25);
  white-space: nowrap;
}

.sheet-table {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.18);
}
.sheet-row {
  display: grid;
  grid-template-columns: 1.15fr 1.05fr 1.15fr 0.95fr;
  gap: 8px;
  padding: 10px 12px;
  font-size: 12.5px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.sheet-row:last-child { border-bottom: 0; }
.sheet-row span { color: var(--text-mid); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sheet-row .amt { color: var(--gold); font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.sheet-th {
  background: rgba(255, 255, 255, 0.035);
  font-size: 11.5px;
  letter-spacing: 0.4px;
}
.sheet-th span { color: var(--text-dim); font-weight: 600; }
.sheet-th span:last-child { text-align: right; }

.sheet-foot {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px;
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--line);
}
.sheet-foot span { font-size: 13px; color: var(--text-dim); }
.sheet-foot strong {
  font-size: 22px; font-weight: 800; letter-spacing: -0.5px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.float-card {
  position: absolute; right: -14px; bottom: -30px;
  display: flex; flex-direction: column; gap: 3px;
  padding: 15px 18px; max-width: 268px;
  border: 1px solid rgba(224, 178, 82, 0.32);
  border-radius: 14px;
  background: rgba(22, 17, 8, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}
.fc-label { font-size: 11.5px; color: var(--gold); font-weight: 700; letter-spacing: 0.6px; }
.float-card strong { font-size: 14px; line-height: 1.45; }
.fc-time { font-size: 11.5px; color: var(--text-dim); }

/* ---------- 数据来源条 ---------- */
.logos { margin-top: 76px; text-align: center; }
.logos-label { font-size: 12.5px; color: var(--text-dim); letter-spacing: 1.4px; }
.logos-row {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 14px 40px; margin-top: 20px;
}
.logos-row span {
  font-size: 15.5px; font-weight: 600; color: rgba(232, 236, 245, 0.32);
  transition: color 0.25s;
}
.logos-row span:hover { color: rgba(232, 236, 245, 0.72); }

/* ==========================================================================
   通用 Section
   ========================================================================== */
.section { position: relative; z-index: 1; padding: 104px 0; }
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.022) 18%, rgba(255,255,255,0.022) 82%, transparent);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 700; letter-spacing: 2px;
  color: var(--teal); text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2, .split-copy h2, .cta-copy h2 {
  font-size: clamp(26px, 3.3vw, 39px);
  line-height: 1.24; font-weight: 800; letter-spacing: -0.4px;
  margin-bottom: 14px;
}
.section-head p, .split-copy > p, .cta-copy > p {
  color: var(--text-mid); font-size: 16.5px;
}

/* ==========================================================================
   痛点
   ========================================================================== */
.pains {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.pain {
  position: relative;
  padding: 30px 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.pain:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--surface-2); }
.pain-no {
  display: block;
  font-size: 13px; font-weight: 800; letter-spacing: 1px;
  color: transparent;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  margin-bottom: 10px;
}
.pain h3 { font-size: 17.5px; font-weight: 700; margin-bottom: 10px; line-height: 1.45; }
.pain p { color: var(--text-mid); font-size: 14.5px; }

/* ==========================================================================
   核心能力卡片
   ========================================================================== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

.card {
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--line-2);
  background: var(--surface-2);
}
.card-icon {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 12px;
  margin-bottom: 18px;
}
.i-blue   { background: rgba(59,130,246,0.14);  color: #7FA8FF; }
.i-teal   { background: rgba(6,182,212,0.14);   color: #38D6EA; }
.i-violet { background: rgba(139,92,246,0.14);  color: #B49BFF; }
.i-amber  { background: rgba(224,178,82,0.14);  color: #E8C36A; }
.i-green  { background: rgba(52,211,153,0.13);  color: #5FE0B0; }
.i-red    { background: rgba(248,113,113,0.13); color: #FCA0A0; }

.card h3 { font-size: 18.5px; margin-bottom: 10px; font-weight: 700; }
.card p { color: var(--text-mid); font-size: 15px; }

/* ==========================================================================
   结算流程 steps
   ========================================================================== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  counter-reset: step;
}
.step {
  display: flex; gap: 18px;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.step:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--surface-2); }
.step-no {
  display: grid; place-items: center;
  width: 38px; height: 38px; border-radius: 50%;
  flex: none;
  font-size: 16px; font-weight: 800;
  color: #fff;
  background: var(--grad);
  box-shadow: 0 8px 20px -8px rgba(59, 130, 246, 0.95);
}
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.step p { color: var(--text-mid); font-size: 14.5px; }

/* ==========================================================================
   适用场景
   ========================================================================== */
.scenes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 20px;
}
.scene {
  display: flex; flex-direction: column;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
}
.scene:hover { transform: translateY(-5px); border-color: var(--line-2); background: var(--surface-2); }
.scene h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.scene p { color: var(--text-mid); font-size: 14.5px; margin-bottom: 18px; flex: 1; }
.scene-tag {
  align-self: flex-start;
  font-size: 12px; font-weight: 600;
  color: var(--teal);
  padding: 4px 11px; border-radius: 999px;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.24);
}

/* ==========================================================================
   左右分栏 + 面板
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 0.98fr 1.02fr;
  gap: 64px;
  align-items: center;
}
.split-copy .eyebrow { margin-bottom: 12px; }
.split-copy > p { margin-bottom: 26px; }
.split-copy .btn { margin-top: 30px; }

.ticks { display: flex; flex-direction: column; gap: 13px; }
.ticks li {
  position: relative; padding-left: 30px;
  color: var(--text-mid); font-size: 15.5px;
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 18px; height: 18px; border-radius: 50%;
  background-color: rgba(52, 211, 153, 0.13);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M5 13l4 4L19 7' stroke='%2334D399' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 13px; background-position: center; background-repeat: no-repeat;
}

.split-visual { position: relative; }

.panel {
  padding: 22px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px;
}
.panel-title { font-weight: 700; font-size: 16px; }
.panel-tag {
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.6px;
  color: var(--green);
  padding: 3px 10px; border-radius: 999px;
  background: rgba(52,211,153,0.11);
  border: 1px solid rgba(52,211,153,0.25);
}

.bars { display: flex; flex-direction: column; gap: 15px; }
.bar-row { display: grid; grid-template-columns: 74px 1fr 52px; align-items: center; gap: 12px; }
.bar-name { font-size: 13.5px; color: var(--text-mid); }
.bar {
  height: 9px; border-radius: 999px;
  background: rgba(255,255,255,0.075); overflow: hidden;
}
.bar i {
  display: block; height: 100%; width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #3B82F6, #06B6D4);
  transition: width 1.1s var(--ease);
}
.is-visible .bar i { width: var(--v); }
.bar-val { font-size: 13px; font-weight: 600; text-align: right; color: var(--text-mid); }

.panel-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  margin-top: 22px; padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px; color: var(--text-dim);
}
.live { display: inline-flex; align-items: center; gap: 6px; color: var(--green); }
.live i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  animation: pulse 1.8s infinite;
}

/* ==========================================================================
   FAQ（原生 details，无 JS 也能用）
   ========================================================================== */
.faq {
  max-width: 820px;
  margin: 0 auto;
  display: flex; flex-direction: column; gap: 12px;
}
.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.25s, background 0.25s;
}
.faq-item[open] { border-color: var(--line-2); background: var(--surface-2); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16.5px; font-weight: 600;
  list-style: none;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: none;
  width: 20px; height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%236E7A92' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: contain; background-repeat: no-repeat;
  transition: transform 0.28s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item summary:hover { color: #fff; }
.faq-item p {
  padding: 0 24px 22px;
  color: var(--text-mid);
  font-size: 15px;
  line-height: 1.85;
  animation: faqIn 0.28s var(--ease);
}
@keyframes faqIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ==========================================================================
   联系 / 表单
   ========================================================================== */
.cta {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 64px;
  align-items: start;
}
.cta-copy > p { margin-bottom: 26px; }

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 30px;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, rgba(255,255,255,0.065), rgba(255,255,255,0.018));
  box-shadow: var(--shadow);
}
.field { display: flex; flex-direction: column; gap: 7px; }
.field:nth-child(4) { grid-column: 1 / -1; }
.field label { font-size: 13.5px; color: var(--text-mid); font-weight: 600; }
.field .opt { color: var(--text-dim); font-weight: 400; font-size: 12px; }

.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  font: inherit; font-size: 15px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line);
  border-radius: 11px;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.field input::placeholder, .field textarea::placeholder { color: #56617A; }
.field input:focus, .field textarea:focus {
  border-color: rgba(59, 130, 246, 0.75);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.14);
}
.field.has-error input { border-color: rgba(248,113,113,0.85); }

.form .btn { grid-column: 1 / -1; margin-top: 6px; }
.form-note {
  grid-column: 1 / -1;
  font-size: 13.5px; min-height: 20px; text-align: center;
}
.form-note.ok   { color: var(--green); }
.form-note.bad  { color: var(--red); }

/* ==========================================================================
   页脚
   ========================================================================== */
.footer {
  position: relative; z-index: 1;
  padding: 64px 0 30px;
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.24);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-desc { margin-top: 16px; font-size: 14px; color: var(--text-dim); max-width: 28em; }
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col h4 { font-size: 14px; margin-bottom: 4px; }
.footer-col a, .footer-col span { font-size: 14px; color: var(--text-mid); transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  margin-top: 52px; padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 13px; color: var(--text-dim);
}
.footer-links { display: flex; gap: 22px; }
.footer-links a:hover { color: var(--text); }

/* ==========================================================================
   滚动入场动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .float-card, .pill .dot, .live i { animation: none; }
  .mock { transform: none; }
  .faq-item p { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1000px) {
  .hero-grid, .split, .cta { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { order: 2; }
  .mock { transform: none; }
  .float-card { position: static; margin-top: 16px; max-width: none; animation: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 760px) {
  .burger { display: block; }
  .nav-links {
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 24px 24px;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-links .nav-cta { margin-left: 0; text-align: center; }

  .section { padding: 76px 0; }
  .hero { padding: 44px 0 24px; }
  .hero-meta { gap: 22px 30px; }
  .hero-meta strong { font-size: 18px; }
  .logos { margin-top: 56px; }
  .logos-row { gap: 12px 24px; }
  .logos-row span { font-size: 14px; }

  /* 结算单在窄屏下隐藏「业绩」列，避免挤压 */
  .sheet-row { grid-template-columns: 1.15fr 1.25fr 1fr; font-size: 12px; }
  .sheet-row span:nth-child(3) { display: none; }
  .sheet-foot strong { font-size: 19px; }

  .form { grid-template-columns: 1fr; padding: 24px; }
  .form .btn, .form-note { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { justify-content: flex-start; }

  .step { padding: 22px 20px; gap: 14px; }
  .faq-item summary { padding: 17px 20px; font-size: 15.5px; }
  .faq-item p { padding: 0 20px 20px; font-size: 14.5px; }
  .panel-foot { justify-content: flex-start; }
}

@media (max-width: 420px) {
  .wrap { padding: 0 18px; }
  .btn { width: 100%; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .brand-text em { display: none; }
  .bar-row { grid-template-columns: 66px 1fr 46px; gap: 9px; }
}

/* ---------- 打印 ---------- */
@media print {
  .glow, .nav, .form, .hero-visual, .burger, .faq-item summary::after { display: none !important; }
  body { background: #fff; color: #000; }
  .reveal { opacity: 1; transform: none; }
  .faq-item p { display: block !important; }
}