/* =====================================================
   灵域云 Lingyu Cloud — Apple-inspired design
   ===================================================== */

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --text-3: #86868b;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --dark: #000000;
  --dark-card: #161617;
  --light-on-dark: #f5f5f7;
  --sub-on-dark: #86868b;
  --radius-card: 28px;
  --radius-btn: 980px;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --nav-h: 52px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Helvetica Neue", "Microsoft YaHei", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 22px;
}

::selection { background: rgba(0, 113, 227, 0.18); }

/* ---------- 通用排版 ---------- */
h1, h2, h3, h4 { letter-spacing: -0.015em; }

.section h2 {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
}

.section {
  padding: 130px 0;
}

.section.alt { background: var(--bg-alt); }

.section.dark {
  background: var(--dark);
  color: var(--light-on-dark);
}

.section-sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--text-2);
  max-width: 640px;
  margin-top: 22px;
}

.light-sub { color: var(--sub-on-dark); }

.eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  letter-spacing: 0.02em;
  margin-bottom: 14px;
}

.eyebrow.light { color: #2997ff; }

.text-gradient {
  background: linear-gradient(92deg, #2997ff 0%, #7d5aff 55%, #f563b4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ---------- 按钮 & 链接 ---------- */
.btn {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-size: 17px;
  font-weight: 400;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: var(--radius-btn);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
  white-space: nowrap;
}

.btn:hover { background: var(--blue-hover); }
.btn:active { transform: scale(0.97); }

.btn-ghost {
  /* 不透明底色：等价于 rgba(0,113,227,0.1) 叠在 #fbfbfd 上，
     避免半透明叠毛玻璃导航导致不同浏览器/滚动位置观感不一致 */
  background: #e2eefb;
  color: var(--blue);
}

.btn-ghost:hover { background: #d4e6fa; }

.btn-sm { font-size: 14px; padding: 7px 16px; }

.link-more {
  color: var(--blue);
  font-size: 17px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.link-more:hover { text-decoration: underline; }
.link-more .chev { font-size: 20px; line-height: 1; transform: translateY(-1px); }

/* ---------- 导航 ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(251, 251, 253, 0.78);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background 0.3s var(--ease);
}

.nav.scrolled { background: rgba(251, 251, 253, 0.9); }

.nav-inner {
  max-width: 1080px;
  height: 100%;
  margin: 0 auto;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text);
}

.logo-img {
  width: auto;
  height: 32px;
  display: block;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  color: rgba(29, 29, 31, 0.8);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px;
  height: 34px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-burger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-burger.open span:nth-child(1) { transform: translateY(3.2px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { transform: translateY(-3.2px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--nav-h) + 90px) 0 60px;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}

.glow-1 {
  width: 640px; height: 640px;
  left: -180px; top: -120px;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.35), transparent 65%);
}

.glow-2 {
  width: 720px; height: 720px;
  right: -220px; top: 40px;
  background: radial-gradient(circle, rgba(125, 90, 255, 0.28), transparent 65%);
}

.hero-content { position: relative; text-align: center; }

.hero-title {
  font-size: clamp(48px, 9vw, 96px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 10px;
}

.hero-sub {
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--text-2);
  max-width: 680px;
  margin: 26px auto 0;
  line-height: 1.45;
}

.hero-cta {
  margin-top: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}

/* Hero 产品视觉 */
.hero-visual {
  position: relative;
  max-width: 900px;
  margin: 72px auto 0;
}

.window {
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: 20px;
  box-shadow: 0 40px 100px -20px rgba(29, 29, 31, 0.28),
              0 0 0 0.5px rgba(0, 0, 0, 0.02);
  overflow: hidden;
  text-align: left;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot-r { background: #ff5f57; }
.dot-y { background: #febc2e; }
.dot-g { background: #28c840; }

.window-url {
  margin-left: 12px;
  font-size: 11px;
  color: var(--text-3);
  background: rgba(0, 0, 0, 0.045);
  border-radius: 6px;
  padding: 3px 12px;
}

.window-body {
  display: grid;
  grid-template-columns: 168px 1fr;
  min-height: 380px;
}

.win-side {
  border-right: 1px solid rgba(0, 0, 0, 0.05);
  padding: 16px 10px;
  background: rgba(0, 0, 0, 0.015);
}

.side-logo {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: 13px;
  padding: 4px 10px 14px;
}

.side-logo-mark {
  width: 16px; height: 16px;
  border-radius: 5px;
  background: linear-gradient(135deg, #2997ff, #7d5aff);
}

.side-item {
  font-size: 12px;
  color: var(--text-2);
  padding: 8px 10px;
  border-radius: 8px;
}

.side-item.active {
  background: var(--blue);
  color: #fff;
  font-weight: 500;
}

.win-main { padding: 18px; display: flex; flex-direction: column; gap: 14px; }

.win-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }

.wcard {
  background: var(--bg-alt);
  border-radius: 14px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wlabel { font-size: 11px; color: var(--text-3); }
.wvalue { font-size: clamp(15px, 1.8vw, 20px); font-weight: 700; letter-spacing: -0.01em; }
.wvalue small { font-size: 12px; font-weight: 500; color: var(--text-2); }
.wtrend { font-size: 10px; color: var(--text-3); }
.wtrend.up { color: #1d9d4c; }

.win-chart {
  background: var(--bg-alt);
  border-radius: 14px;
  padding: 14px 16px 10px;
}

.chart-head {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 10px;
}

.chart-tag { color: var(--text-3); font-weight: 400; }

.bars {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  align-items: end;
  height: 92px;
}

.bar {
  height: var(--h, 50%);
  border-radius: 6px 6px 3px 3px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: linear-gradient(180deg, rgba(41, 151, 255, 0.55), rgba(41, 151, 255, 0.12));
  border-radius: inherit;
}

.bar.now i { background: linear-gradient(180deg, #2997ff, #7d5aff); }

.win-table {
  background: var(--bg-alt);
  border-radius: 14px;
  padding: 6px 16px;
}

.trow {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.trow:last-child { border-bottom: none; }
.trow.thead { color: var(--text-3); font-size: 11px; }
.trow span:first-child { font-weight: 500; }

.pill {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 100px;
  font-weight: 500;
}

.pill.ok { background: rgba(29, 157, 76, 0.12); color: #1d9d4c; }
.pill.wait { background: rgba(254, 188, 46, 0.16); color: #b08000; }

/* 浮动卡片 */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  padding: 11px 16px;
  box-shadow: 0 16px 40px -12px rgba(29, 29, 31, 0.25);
}

.float-card b { display: block; font-size: 12px; font-weight: 600; }
.float-card i { display: block; font-style: normal; font-size: 10px; color: var(--text-3); }

.fc-icon {
  width: 28px; height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  flex: none;
}

.float-1 .fc-icon { background: linear-gradient(135deg, #30c862, #1d9d4c); }
.float-2 .fc-icon { background: linear-gradient(135deg, #2997ff, #7d5aff); }

.float-1 { top: 12%; left: -7%; animation: floaty 5.5s ease-in-out infinite; }
.float-2 { bottom: 14%; right: -6%; animation: floaty 6.5s ease-in-out 1.2s infinite; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* 合作银行及收单机构 */
.partners { margin-top: 88px; text-align: center; }

.partners-title {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.partner-logos {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 26px 62px;
}

.partner-logos img {
  height: 44px;
  width: auto;
  max-width: 158px;
  object-fit: contain;
  display: block;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.partner-logos img:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* ---------- 数据 ---------- */
.stats {
  background: var(--bg);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 74px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-num {
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, #1d1d1f, #4b4b50);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat-label { margin-top: 6px; font-size: 15px; color: var(--text-2); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 20px; margin-top: 56px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 36px 30px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.section.alt .card {
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.section:not(.alt) .card,
.section.dark .card { background: var(--bg-alt); }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px -18px rgba(29, 29, 31, 0.18);
}

.card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p { font-size: 15px; color: var(--text-2); line-height: 1.6; }

.dark-card { background: var(--dark-card) !important; }
.dark-card h3 { color: var(--light-on-dark); }
.dark-card p { color: var(--sub-on-dark); }

.card-num {
  font-size: 15px;
  font-weight: 700;
  color: #2997ff;
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.tag {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
  background: rgba(0, 113, 227, 0.08);
  padding: 5px 12px;
  border-radius: 100px;
}

.tag.ghost {
  color: #2997ff;
  background: rgba(41, 151, 255, 0.1);
}

/* 解决方案 */
.sol-icon {
  width: 46px; height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, #2997ff, #7d5aff);
  margin-bottom: 22px;
  box-shadow: 0 10px 22px -8px rgba(41, 151, 255, 0.55);
}

.sol-icon svg { width: 23px; height: 23px; }

/* 流程 */
.flow {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}

.flow-step {
  position: relative;
  background: var(--bg-alt);
  border-radius: 20px;
  padding: 24px 16px 22px;
  text-align: left;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.flow-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 44px -16px rgba(29, 29, 31, 0.16);
}

.fnum {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2997ff, #7d5aff);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.flow-step h4 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.flow-step p { font-size: 12.5px; color: var(--text-2); line-height: 1.5; }

.mode-grid { margin-top: 64px; }

.mode-card .tag { margin: 0 0 18px; }
.mode-card h3 { font-size: 26px; }

.check-list {
  list-style: none;
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--text-2);
  line-height: 1.55;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(29, 157, 76, 0.12);
  color: #1d9d4c;
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

/* Bento 优势 */
.bento {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.bento .card {
  background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  position: relative;
  overflow: hidden;
}

.bento-a { grid-column: span 1; min-height: 320px; }
.bento-b { grid-column: span 1; min-height: 320px; }
.bento-c { grid-column: span 1; }
.bento-d { grid-column: span 1; }

.bento h3 { font-size: 28px; }

.shield {
  position: absolute;
  right: -26px;
  bottom: -30px;
  width: 180px; height: 180px;
  color: rgba(41, 151, 255, 0.16);
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }

.chips span {
  font-size: 12.5px;
  color: var(--text-2);
  background: var(--bg-alt);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 6px 13px;
  border-radius: 100px;
}

/* 适用场景 */
.scene-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}

.scene {
  background: var(--bg-alt);
  border-radius: 18px;
  padding: 22px 18px;
  transition: transform 0.35s var(--ease), background 0.35s var(--ease), color 0.35s;
}

.scene:hover { transform: translateY(-4px); background: #ebebef; }

.scene b { display: block; font-size: 16px; font-weight: 700; }
.scene i { display: block; font-style: normal; font-size: 12px; color: var(--text-3); margin-top: 4px; }

.scene-more { background: transparent; border: 1.5px dashed #c7c7cc; }
.scene-more:hover { background: var(--bg-alt); }

/* 合作模式 */
.coop-grid { margin-top: 56px; }
.coop-grid .card { padding: 32px 28px; }

.cnum {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #2997ff;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.dark-card ul {
  list-style: none;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.dark-card ul li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  color: var(--sub-on-dark);
  line-height: 1.5;
}

.dark-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #2997ff;
}

.assure {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.assure-item {
  background: var(--dark-card);
  border-radius: 20px;
  padding: 26px 24px;
  text-align: left;
}

.assure-item b {
  display: block;
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(92deg, #2997ff, #7d5aff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.assure-item span { display: block; margin-top: 6px; font-size: 13px; color: var(--sub-on-dark); }

/* 合规 */
.comp-card .tag { margin: 0 0 18px; }
.comp-card h3 { font-size: 22px; line-height: 1.3; }

/* 关于 */
.about-wrap {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text p:not(.eyebrow) {
  margin-top: 22px;
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 560px;
}

.about-text h2 { font-size: clamp(32px, 4.4vw, 52px); }

.about-card {
  background: var(--bg-alt);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ac-row { display: flex; flex-direction: column; gap: 3px; }
.ac-row span { font-size: 12.5px; color: var(--text-3); }
.ac-row b { font-size: 16px; font-weight: 600; }

/* 联系 */
.contact { padding: 150px 0; }

.contact-wrap { text-align: center; }
.contact h2 { font-size: clamp(40px, 6.5vw, 76px); }
.contact .section-sub { margin-left: auto; margin-right: auto; }

.contact-grid {
  margin-top: 60px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: left;
}

.contact-item {
  background: var(--dark-card);
  border-radius: 22px;
  padding: 26px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.35s var(--ease), background 0.35s;
}

.contact-item:hover { transform: translateY(-5px); background: #1d1d20; }

.contact-item span { display: block; font-size: 13px; color: var(--sub-on-dark); margin-bottom: 8px; }
.contact-item b { font-size: clamp(16px, 1.8vw, 20px); font-weight: 600; color: var(--light-on-dark); line-height: 1.45; }
a.contact-item:hover b { color: #2997ff; }

/* 地图卡片 */
.map-card {
  margin-top: 16px;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  text-align: left;
}

.map-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  flex-wrap: wrap;
  padding: 22px 28px;
}

.map-info b { display: block; font-size: 17px; font-weight: 700; color: var(--text); }
.map-info span { display: block; margin-top: 3px; font-size: 13px; color: var(--text-2); }

.map-open {
  font-size: 14px;
  color: var(--blue);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.map-open:hover { text-decoration: underline; }

.map-view {
  position: relative;
  height: 300px;
  background: #e9ebe9;
  overflow: hidden;
}

.map-tiles { position: absolute; inset: 0; }

.map-tiles img {
  position: absolute;
  width: 256px;
  height: 256px;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.map-pinwrap {
  position: absolute;
  left: 50%;
  top: 50%;
  pointer-events: none;
  filter: drop-shadow(0 5px 8px rgba(0, 0, 0, 0.25));
}

.map-pin {
  position: absolute;
  bottom: 0;
  left: -13px;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, #10c97e, #059669);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}

.map-pin::after {
  content: "";
  position: absolute;
  inset: 7px;
  border-radius: 50%;
  background: #fff;
}

.map-pinlabel {
  position: absolute;
  left: 14px;
  bottom: 10px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

/* 页脚 */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding: 56px 0 34px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
}

.footer-logo {
  height: 52px;
  width: auto;
  display: block;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.6;
  max-width: 300px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.fcol h5 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

.fcol a {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  padding: 4px 0;
}

.fcol a:hover { color: var(--text); text-decoration: underline; }

.footer-legal {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding-top: 22px;
}

.footer-legal p { font-size: 12px; color: var(--text-3); }

.footer-legal a { color: inherit; text-decoration: none; }
.footer-legal a:hover { color: var(--text); text-decoration: underline; }
.footer-legal .sep { margin: 0 4px; }

/* ---------- 滚动显现动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* =====================================================
   响应式
   ===================================================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(4, 1fr); }
  .scene-grid { grid-template-columns: repeat(4, 1fr); }
  .nav-links { display: none; }
}

@media (max-width: 820px) {
  .section { padding: 96px 0; }
  .hero { padding-top: calc(var(--nav-h) + 56px); }

  /* 移动端菜单 */
  .nav-burger { display: flex; }

  .nav-links {
    display: flex;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(251, 251, 253, 0.96);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s var(--ease);
  }

  .nav-links.open { max-height: 420px; }

  .nav-links li { border-top: 1px solid rgba(0, 0, 0, 0.05); }
  .nav-links a { display: block; padding: 15px 28px; font-size: 16px; }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .bento-a, .bento-b, .bento-c, .bento-d { grid-column: span 1; min-height: 0; }

  .partner-logos { gap: 20px 34px; }
  .partner-logos img { height: 34px; max-width: 120px; }
  .about-wrap { grid-template-columns: 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .assure { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); gap: 30px 20px; }
  .window-body { grid-template-columns: 1fr; }
  .win-side { display: none; }

  .float-1 { left: 2%; top: 12%; }
  .float-2 { right: 2%; bottom: 4%; }
}

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero-title { font-size: clamp(40px, 12.5vw, 56px); }
  .grid { margin-top: 40px; }
  .flow { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-cta { gap: 18px; }
  .win-cards { grid-template-columns: 1fr 1fr; }
  .wcard:nth-child(3) { display: none; }

  /* 导航双按钮紧凑排布 */
  .nav-actions { gap: 8px; }
  .nav-actions .btn-sm { font-size: 12.5px; padding: 6px 12px; }
  .map-view { height: 220px; }
}