/* ============================================================
   云外呼 · 品牌站
   浅色科技蓝 · 明亮 · 概念叙事
   ============================================================ */

:root {
  --bg:          #F5F8FE;
  --surface:     #FFFFFF;
  --ink:         #081A33;
  --ink-2:       #1C3155;
  --text:        #3D5474;
  --muted:       #6C80A0;
  --line:        #E1E9F5;
  --line-strong: #CFDBEC;
  --accent:      #2F6BFF;
  --accent-2:    #1FB8E0;
  --accent-soft: #EAF1FF;
  --serif:       "Songti SC", "Noto Serif SC", "Source Han Serif SC", STSong, "Times New Roman", serif;
  --sans:        -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --wrap:        1180px;
}

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

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

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 40px;
}

/* ---------- 通用文字 ---------- */

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.kicker::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
  opacity: .6;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  padding: 7px 16px 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  box-shadow: 0 2px 10px rgba(16, 44, 92, .04);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 107, 255, .14);
}

/* ---------- 按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 30px;
  border-radius: 4px;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: transform .3s ease, box-shadow .3s ease, background-color .3s ease, color .3s ease, border-color .3s ease;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-solid {
  background: linear-gradient(135deg, #4B84FF 0%, #2358E8 100%);
  color: #fff;
  box-shadow: 0 10px 24px -10px rgba(47, 107, 255, .65);
}
.btn-solid:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px -12px rgba(47, 107, 255, .8);
}

.btn-ghost {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink-2);
  box-shadow: 0 2px 10px rgba(16, 44, 92, .05);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-line {
  height: 38px;
  padding: 0 20px;
  font-size: 13px;
  border-radius: 4px;
  border: 1px solid var(--line-strong);
  color: var(--ink-2);
  background: #fff;
}
.btn-line:hover { border-color: var(--accent); color: var(--accent); }

.link-quiet {
  font-size: 13px;
  color: var(--text);
  margin-right: 22px;
  transition: color .3s ease;
}
.link-quiet:hover { color: var(--accent); }

/* ---------- 顶部 ---------- */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background-color .4s ease, border-color .4s ease, box-shadow .4s ease;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -22px rgba(11, 32, 66, .5);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 76px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.logo-mark {
  width: 44px; height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.logo-mark img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
.logo-mark svg {
  width: 15px; height: 15px;
  fill: #fff;
}

.logo-text {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.site-nav {
  display: flex;
  gap: 36px;
  margin-left: auto;
  margin-right: 44px;
}
.site-nav a {
  position: relative;
  font-size: 14px;
  color: var(--text);
  transition: color .25s ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a:hover::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
}

/* ---------- 首屏 ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 156px 0 60px;
  overflow: hidden;
  background:
    radial-gradient(90% 70% at 50% -8%, #D8E8FF 0%, rgba(245, 248, 254, 0) 60%),
    radial-gradient(50% 60% at 90% 90%, rgba(31, 184, 224, .14) 0%, rgba(245, 248, 254, 0) 70%),
    linear-gradient(180deg, #EAF2FF 0%, #F5F9FF 46%, #EAF2FE 100%);
}

.hero-glow {
  position: absolute;
  top: -180px; left: 50%;
  width: 1000px; height: 680px;
  transform: translateX(-50%);
  background:
    radial-gradient(closest-side, rgba(47, 107, 255, .32), rgba(47, 107, 255, 0) 72%),
    radial-gradient(closest-side at 68% 62%, rgba(31, 184, 224, .28), rgba(31, 184, 224, 0) 70%);
  filter: blur(12px);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(47, 107, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 107, 255, .055) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(72% 62% at 50% 38%, #000 0%, transparent 78%);
  mask-image: radial-gradient(72% 62% at 50% 38%, #000 0%, transparent 78%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: left;
  padding-bottom: 40px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 7vw, 92px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, #2F6BFF 10%, #1FB8E0 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-lead {
  margin: 32px auto 0;
  max-width: 640px;
  font-size: 16px;
  line-height: 2;
  color: var(--text);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 42px;
  flex-wrap: wrap;
}

.hero-visual {
  position: absolute;
  left: 0; right: 0; bottom: -18px;
  height: 300px;
  z-index: 1;
  pointer-events: none;
  opacity: .52;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 12%, #000 88%, transparent 100%);
}
.hero-visual svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-meta {
  position: absolute;
  left: 0; right: 0;
  bottom: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 10px;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: #93A6C0;
}
.hero-meta-line {
  width: 46px; height: 1px;
  background: var(--line-strong);
}

/* ---------- 宣言 ---------- */

.manifesto {
  padding: 88px 0 84px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.manifesto-text {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.4vw, 56px);
  line-height: 1.44;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.manifesto-text em {
  font-style: normal;
  background: linear-gradient(100deg, #2F6BFF, #1FB8E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.manifesto-body {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px;
  margin-top: 72px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}
.manifesto-body p {
  font-size: 15px;
  line-height: 2.1;
  color: var(--text);
  font-weight: 300;
}

/* ---------- 三支柱 ---------- */

.pillars {
  padding: 0;
  background: var(--bg);
}

.pillars .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 118px;
}

.pillar {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 44px 36px 46px;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}
.pillar:hover {
  transform: translateY(-4px);
  border-color: #CBDDFF;
  box-shadow: 0 24px 48px -30px rgba(17, 48, 104, .45);
}

.pillar::before {
  content: "";
  position: absolute;
  top: 0; left: 36px;
  width: 38px; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.pillar-num {
  font-family: var(--serif);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--accent);
  margin-bottom: 26px;
  margin-top: 8px;
}

.pillar h3 {
  margin-bottom: 18px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 23px;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--ink);
}

.pillar p {
  font-size: 14px;
  line-height: 2;
  color: var(--text);
  font-weight: 300;
}

/* ---------- 大引言（深蓝节奏块） ---------- */

.interlude {
  position: relative;
  padding: 96px 0 100px;
  overflow: hidden;
  background-color: #0B2350;
  background-image: url("img/signal-arc.webp");
  background-size: cover;
  background-position: center 58%;
}
.interlude::before {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, #0B2350 0%, rgba(11, 35, 80, .28) 24%, rgba(11, 35, 80, .34) 62%, #0B2350 100%),
    linear-gradient(90deg, rgba(11, 35, 80, .55), rgba(11, 35, 80, 0) 60%);
}
.interlude .wrap { position: relative; z-index: 2; }

.interlude blockquote {
  max-width: 780px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.5vw, 44px);
  line-height: 1.64;
  letter-spacing: 0.02em;
  color: #F2F7FF;
}

/* ---------- 概念 ---------- */

.concepts {
  padding: 84px 0 88px;
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.section-head { max-width: 640px; margin-bottom: 52px; }
.section-head h2 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 3.6vw, 42px);
  letter-spacing: 0.02em;
  line-height: 1.36;
  color: var(--ink);
}
.section-sub {
  font-size: 14px;
  color: var(--muted);
  font-weight: 300;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.concept {
  position: relative;
  background: #FBFCFE;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 42px 36px 44px;
  transition: background-color .4s ease, border-color .4s ease, transform .4s ease;
}
.concept:hover {
  background: #fff;
  border-color: #CBDDFF;
  transform: translateY(-3px);
}

.concept-mark {
  display: block;
  width: 30px; height: 30px;
  border-radius: 8px;
  margin-bottom: 26px;
  background: linear-gradient(135deg, rgba(47, 107, 255, .16), rgba(31, 184, 224, .16));
  border: 1px solid rgba(47, 107, 255, .22);
}

.concept h3 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  letter-spacing: 0.1em;
  color: var(--ink);
}

.concept p {
  font-size: 14px;
  line-height: 2;
  color: var(--text);
  font-weight: 300;
}

/* ---------- 场景 ---------- */

.scenes {
  position: relative;
  padding: 84px 0;
  background:
    radial-gradient(80% 70% at 96% 24%, rgba(47, 107, 255, .10) 0%, rgba(245, 248, 254, 0) 60%),
    var(--bg);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.scenes::after {
  content: "";
  position: absolute;
  right: -60px; top: 90px;
  width: 460px; height: 460px;
  background-image:
    linear-gradient(rgba(47, 107, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 107, 255, .12) 1px, transparent 1px);
  background-size: 38px 38px;
  -webkit-mask-image: radial-gradient(closest-side, #000 20%, transparent 78%);
  mask-image: radial-gradient(closest-side, #000 20%, transparent 78%);
  pointer-events: none;
}

.scenes .wrap { position: relative; z-index: 2; }
.scenes .section-head { margin-bottom: 56px; }

.scene-list { max-width: 660px; }

.scene-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: border-color .35s ease, padding-left .35s ease;
}
.scene-row:first-child { border-top: 1px solid var(--line); }
.scene-row:hover {
  border-bottom-color: #B9D1FF;
  padding-left: 8px;
}

.scene-name {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--ink);
  transition: color .35s ease;
}
.scene-row:hover .scene-name { color: var(--accent); }

.scene-desc {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 300;
}

/* ---------- 收尾 ---------- */

.closing {
  padding: 56px 0 88px;
  background: var(--bg);
}
.closing .wrap {
  position: relative;
  padding: 76px 40px 82px;
  text-align: center;
  border-radius: 14px;
  background:
    radial-gradient(90% 130% at 50% 0%, #EAF2FF 0%, rgba(255, 255, 255, 0) 70%),
    #fff;
  border: 1px solid var(--line);
  box-shadow: 0 30px 70px -50px rgba(16, 44, 92, .45);
  overflow: hidden;
}
.closing h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 4.2vw, 52px);
  letter-spacing: 0.04em;
  line-height: 1.34;
  color: var(--ink);
}
.closing-sub {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--text);
  font-weight: 300;
}

/* ---------- 页脚 ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 40px;
  background: var(--surface);
}
.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-brand p {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.footer-links { display: flex; gap: 30px; }
.footer-links a {
  font-size: 13px;
  color: var(--text);
  transition: color .3s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 入场动画 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .9s cubic-bezier(.22,.61,.36,1), transform .9s cubic-bezier(.22,.61,.36,1);
}
.reveal.in { opacity: 1; transform: none; }
html:not(.reveal-on) .reveal { opacity: 1; transform: none; }

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

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .wrap { padding: 0 28px; }
  .site-nav { gap: 24px; margin-right: 26px; }
  .pillars .wrap { gap: 16px; }
  .pillar { padding: 34px 26px 36px; }
  .pillar::before { left: 26px; }
  .manifesto-body { gap: 36px; }
}

@media (max-width: 860px) {
  .site-nav { display: none; }
  .header-actions { margin-left: auto; }
  .link-quiet { display: none; }

  .hero { padding: 132px 0 48px; min-height: 90vh; }
  .hero-inner { padding-bottom: 80px; }
  .hero-visual { height: 170px; bottom: 24px; }
  .hero-meta { bottom: -14px; font-size: 9px; letter-spacing: 0.28em; }
  .br-pc { display: none; }

  .manifesto { padding: 88px 0 82px; }
  .manifesto-body {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 40px;
    padding-top: 30px;
  }

  .pillars .wrap { grid-template-columns: 1fr; padding-bottom: 86px; }

  .interlude { padding: 112px 0 120px; }

  .concepts { padding: 88px 0 92px; }
  .concept-grid { grid-template-columns: 1fr; gap: 16px; }
  .concept { padding: 30px 24px 32px; }
  .section-head { margin-bottom: 46px; }

  .scenes { padding: 92px 0; }
  .scenes::after { width: 300px; height: 300px; top: 40px; right: -120px; }
  .scene-row { padding: 18px 0; }
  .scene-name { font-size: 18px; }
  .scene-desc { font-size: 12px; }

  .closing { padding-bottom: 84px; }
  .closing .wrap { padding: 54px 22px 58px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 22px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 20px; }
  .hero h1 { font-size: clamp(34px, 9.4vw, 44px); }
  .hero-lead { font-size: 14px; line-height: 1.95; }
  .hero-actions .btn { height: 46px; padding: 0 24px; font-size: 13px; }
  .btn-line { height: 34px; padding: 0 14px; font-size: 12px; }
  .logo-text { font-size: 16px; letter-spacing: 0.12em; }
  .closing .wrap { padding: 46px 18px 50px; }
}

/* ============================================================
   设计层次补充：首屏两栏 / 玻璃卡 / 图标 / 信任带
   ============================================================ */

.hero-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 56px;
  align-items: center;
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-copy { text-align: left; }
.hero h1 { font-size: clamp(34px, 4.7vw, 68px); }
.hero-copy .hero-lead { margin: 28px 0 0; max-width: 520px; }
.hero-copy .hero-actions { justify-content: flex-start; margin-top: 36px; }

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  list-style: none;
}
.hero-tags li {
  font-size: 12px;
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 100px;
  padding: 6px 14px;
  letter-spacing: 0.04em;
}
.hero-tags li::before {
  content: "";
  display: inline-block;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 7px;
  vertical-align: middle;
}

/* 玻璃卡堆叠 */
.hero-panel {
  position: relative;
  height: 420px;
}
.panel-glow {
  position: absolute;
  inset: -40px -24px;
  background: radial-gradient(closest-side, rgba(47, 107, 255, .26), transparent 72%);
  filter: blur(20px);
  pointer-events: none;
}
.panel-card {
  position: absolute;
  border-radius: 16px;
  background: rgba(255, 255, 255, .74);
  border: 1px solid rgba(255, 255, 255, .95);
  box-shadow: 0 26px 60px -34px rgba(16, 44, 92, .55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.panel-back {
  left: 7%; top: 0;
  width: 76%; height: 150px;
  transform: rotate(-6deg);
  opacity: .5;
}
.panel-mid {
  left: 15%; top: 50px;
  width: 78%; height: 170px;
  transform: rotate(3deg);
  opacity: .72;
}
.panel-front {
  left: 6%; top: 100px;
  width: 86%; height: 286px;
  padding: 22px 24px;
  background: rgba(255, 255, 255, .9);
}

.pc-line {
  display: block;
  height: 8px;
  border-radius: 6px;
  background: #E4ECFA;
  margin: 16px 20px;
}
.pc-line.w55 { width: 55%; }
.pc-line.w35 { width: 35%; }
.pc-line.w45 { width: 45%; }
.pc-line.w65 { width: 65%; }
.pc-line.w30 { width: 30%; }

.pf-head { display: flex; align-items: center; gap: 9px; }
.pf-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22C55E;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, .15);
}
.pf-title { font-size: 13px; color: var(--ink); letter-spacing: 0.08em; }
.pf-live {
  margin-left: auto;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 3px 7px;
}
.pf-wave { width: 100%; height: 86px; margin: 10px 0 2px; }

.pf-rows { display: grid; gap: 9px; margin-top: 4px; }
.pf-rows span {
  position: relative;
  display: block;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(90deg, #F5F9FF, #EDF4FF);
  border: 1px solid #E6EEFB;
}
.pf-rows span::after {
  content: "";
  position: absolute;
  left: 14px; top: 11px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #D9E6FA;
}
.pf-rows span::before {
  content: "";
  position: absolute;
  left: 40px; top: 17px;
  width: 46%;
  height: 6px;
  border-radius: 4px;
  background: #E3EBF9;
}

.pf-foot { display: flex; gap: 10px; margin-top: 16px; }
.pf-pill {
  height: 32px;
  flex: 1;
  border-radius: 8px;
  background: linear-gradient(135deg, #4B84FF, #2358E8);
  opacity: .92;
}
.pf-pill.short {
  flex: 0 0 84px;
  background: #EDF3FF;
  border: 1px solid #DDE8FB;
}

.pf-chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 7px 14px;
  box-shadow: 0 14px 30px -20px rgba(16, 44, 92, .55);
}
.pf-chip i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.pf-chip-a { right: 2px; top: 48px; }
.pf-chip-b { left: -6px; bottom: 30px; }

/* 支柱图标 */
.pillar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.pillar-icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: linear-gradient(140deg, #EFF5FF, #E6F8FE);
  border: 1px solid #D9E8FF;
}
.pillar-icon svg { width: 22px; height: 22px; }
.pillar-num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: #9DB2D2;
}

/* 概念图标 */
.concept-icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: linear-gradient(140deg, #EFF5FF, #E6F8FE);
  border: 1px solid #D9E8FF;
  margin-bottom: 24px;
}
.concept-icon svg { width: 20px; height: 20px; }

/* 信任带 */
.trust {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 26px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #93A6C0;
  white-space: nowrap;
}
.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  list-style: none;
}
.trust-list li {
  font-size: 14px;
  color: #8A9DB9;
  letter-spacing: 0.04em;
  font-weight: 300;
  transition: color .3s ease;
}
.trust-list li:hover { color: var(--accent); }

/* CTA 装饰 */
.closing-glow {
  position: absolute;
  top: -140px; left: 50%;
  transform: translateX(-50%);
  width: 520px; height: 320px;
  background: radial-gradient(closest-side, rgba(47, 107, 255, .2), transparent 72%);
  filter: blur(10px);
  pointer-events: none;
}
.closing-note {
  position: relative;
  margin-top: 26px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.closing-note a { color: var(--accent); }

/* 首屏底部声波弱化 */
.hero-visual { opacity: .34; height: 200px; bottom: -12px; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-copy { text-align: center; }
  .hero-copy .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-copy .hero-actions { justify-content: center; }
  .hero-tags { justify-content: center; }
  .hero-panel { height: 400px; max-width: 460px; margin: 0 auto; width: 100%; }
  .panel-front { top: 84px; height: 286px; }
}

@media (max-width: 860px) {
  .hero-panel { height: 356px; }
  .panel-front { top: 70px; height: 278px; }
  .pf-chip { display: none; }
  .trust-inner { gap: 16px; }
  .trust-list { gap: 18px; }
}

@media (max-width: 480px) {
  .hero-panel { height: 312px; }
  .panel-front { top: 56px; height: 248px; padding: 18px; }
  .pf-wave { height: 66px; }
  .pf-rows span { height: 32px; }
  .pf-rows span::before { top: 14px; }
  .pf-rows span::after { top: 9px; }
  .hero-tags { gap: 8px; }
  .hero-tags li { font-size: 11px; padding: 5px 11px; }
}

/* 细节打磨：序号角标与层次 */
.concept-grid { counter-reset: concept; }
.concept { counter-increment: concept; box-shadow: 0 20px 46px -40px rgba(16, 44, 92, .55); }
.concept::after {
  content: counter(concept, decimal-leading-zero);
  position: absolute;
  right: 26px; top: 22px;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: #C3D4EC;
}
.concept-icon {
  background: linear-gradient(140deg, #E7F0FF, #DDF6FD);
  border-color: #CEE2FF;
}
.pillar { box-shadow: 0 24px 54px -46px rgba(16, 44, 92, .6); }
.pillar-icon {
  background: linear-gradient(140deg, #E7F0FF, #DDF6FD);
  border-color: #CEE2FF;
}

/* ============================================================
   视觉加浓：蓝色块 / 图文场景 / 深色收尾
   ============================================================ */

/* 三支柱：浅蓝渐底，卡片浮起 */
.pillars {
  background:
    radial-gradient(70% 90% at 12% 0%, rgba(47, 107, 255, .07) 0%, rgba(245, 248, 254, 0) 62%),
    linear-gradient(180deg, #F7FAFF 0%, #EEF4FE 100%);
}
.pillar {
  background: #fff;
  border-color: #E3ECFA;
}

/* 概念区：蓝色渐变底 + 白卡 */
.concepts {
  background:
    radial-gradient(56% 70% at 92% 6%, rgba(31, 184, 224, .12) 0%, rgba(255, 255, 255, 0) 62%),
    linear-gradient(180deg, #FFFFFF 0%, #F4F8FF 100%);
}
.concept {
  background: #fff;
  border-color: #E6EEFB;
}
.concept:hover {
  border-color: #B9D4FF;
  box-shadow: 0 26px 50px -34px rgba(22, 62, 130, .4);
}

/* 场景：图文两栏 */
.scenes {
  background:
    radial-gradient(64% 70% at 4% 0%, rgba(47, 107, 255, .09) 0%, rgba(245, 248, 254, 0) 60%),
    linear-gradient(180deg, #F5F8FE 0%, #EDF3FE 100%);
}
.scenes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.scenes-main { min-width: 0; }
.section-head { margin-bottom: 44px; }

.scenes-visual { position: relative; }
.sv-card {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 40px 80px -46px rgba(11, 35, 80, .8);
  border: 1px solid rgba(255, 255, 255, .6);
}
.sv-card img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  object-position: center 64%;
  display: block;
}
.sv-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 20, 48, 0) 38%, rgba(6, 20, 48, .82) 100%);
}
.sv-caption {
  position: absolute;
  left: 26px; right: 26px; bottom: 24px;
  color: #EAF2FF;
}
.sv-label {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.34em;
  color: #8FC6FF;
  margin-bottom: 10px;
}
.sv-caption p {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}
.sv-float {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 12px;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 100px;
  box-shadow: 0 16px 34px -22px rgba(16, 44, 92, .55);
}
.sv-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.sv-float-a { right: -14px; top: 34px; }
.sv-float-b { left: -18px; bottom: 58px; }

/* 收尾：深蓝渐变大卡 */
.closing .wrap {
  background:
    radial-gradient(70% 120% at 82% 0%, rgba(47, 107, 255, .55) 0%, rgba(11, 35, 80, 0) 62%),
    radial-gradient(60% 100% at 8% 100%, rgba(31, 184, 224, .28) 0%, rgba(11, 35, 80, 0) 60%),
    linear-gradient(150deg, #14336B 0%, #0B2350 62%, #081A3C 100%);
  border: 1px solid rgba(255, 255, 255, .1);
  box-shadow: 0 40px 90px -50px rgba(8, 26, 60, .9);
  overflow: hidden;
}
.closing::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(60% 70% at 50% 40%, #000, transparent 78%);
  mask-image: radial-gradient(60% 70% at 50% 40%, #000, transparent 78%);
  border-radius: 14px;
}
.closing h2,
.closing .kicker { position: relative; color: #fff; z-index: 2; }
.closing .kicker { color: #8FC6FF; }
.closing .kicker::before { background: #8FC6FF; }
.closing-sub { position: relative; color: rgba(233, 242, 255, .78); z-index: 2; }
.closing .hero-actions { position: relative; z-index: 2; }
.closing .btn-ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .28);
  color: #EAF2FF;
  box-shadow: none;
}
.closing .btn-ghost:hover {
  background: rgba(255, 255, 255, .16);
  border-color: #8FC6FF;
  color: #fff;
}
.closing-note { position: relative; z-index: 2; color: rgba(233, 242, 255, .62); }
.closing-note a { color: #8FC6FF; }
.closing-glow { display: none; }

/* 信任带：浅蓝底 */
.trust {
  background: linear-gradient(90deg, #FFFFFF 0%, #F7FAFF 50%, #FFFFFF 100%);
}

@media (max-width: 1024px) {
  .scenes-grid { grid-template-columns: 1fr; gap: 40px; }
  .sv-card img { height: 300px; }
  .sv-float-a { right: 8px; }
  .sv-float-b { left: 8px; }
}

@media (max-width: 860px) {
  .scenes-visual { margin-top: 8px; }
  .sv-card img { height: 240px; }
  .sv-caption { left: 20px; right: 20px; bottom: 18px; }
  .sv-caption p { font-size: 14px; }
  .sv-float { display: none; }
  .closing .wrap { padding: 56px 22px 60px; }
}

/* 场景与细节定稿 */
.scenes-grid { grid-template-columns: 1.06fr 0.94fr; gap: 64px; }
.sv-card img { height: 420px; object-position: center 66%; }
.sv-float { display: none; }
.scene-list { max-width: none; }
.scene-row { padding: 22px 0; }

.concept::before {
  content: "";
  position: absolute;
  left: 36px; right: 36px; top: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(47,107,255,.55), rgba(31,184,224,.25), transparent);
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .scenes-grid { grid-template-columns: 1fr; }
  .sv-card img { height: 320px; }
}

/* ============================================================
   细节补充：首屏数据 / 宣言引号 / 数据条带 / 页脚
   ============================================================ */

/* 首屏数据胶囊 */
.hero-stats {
  position: relative;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 40px auto 0;
  list-style: none;
  max-width: 720px;
  padding: 0 24px;
  width: 100%;
}
.hero-stats li {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 148px;
  padding: 18px 26px;
  background: rgba(255, 255, 255, .72);
  border: 1px solid var(--line);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 12px 30px -24px rgba(16, 44, 92, .5);
}
.hero-stats strong {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.1;
  background: linear-gradient(120deg, #2F6BFF, #1FB8E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stats span {
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 宣言引号 */
.manifesto { position: relative; }
.manifesto-quote {
  position: absolute;
  top: 8px;
  left: 40px;
  font-family: var(--serif);
  font-size: 120px;
  line-height: 1;
  color: var(--accent);
  opacity: .14;
  pointer-events: none;
  z-index: 0;
}
.manifesto .wrap { position: relative; z-index: 1; }

/* 数据条带 */
.metrics {
  background: linear-gradient(120deg, #2F6BFF 0%, #2358E8 52%, #1B9FE0 100%);
  position: relative;
  overflow: hidden;
}
.metrics::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(70% 120% at 50% 50%, #000, transparent 80%);
  mask-image: radial-gradient(70% 120% at 50% 50%, #000, transparent 80%);
}
.metrics-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 46px 40px;
}
.metric {
  text-align: center;
  color: #fff;
}
.metric-num {
  display: block;
  font-family: var(--serif);
  font-size: 44px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
}
.metric-num span {
  font-size: 18px;
  font-weight: 400;
  margin-left: 2px;
  opacity: .85;
}
.metric-label {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, .82);
}

/* 页脚丰富化 */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 56px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .logo-text {
  font-size: 20px;
  font-family: var(--serif);
  letter-spacing: 0.04em;
  color: var(--ink);
}
.footer-brand p {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.footer-contact {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact span {
  font-size: 12px;
  color: #9AACC4;
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-title {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #9AACC4;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 13px;
  color: var(--text);
  transition: color .3s ease;
}
.footer-col a:hover { color: var(--accent); }
.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding: 20px 0 24px;
  font-size: 12px;
  color: #9AACC4;
  letter-spacing: 0.04em;
}

@media (max-width: 860px) {
  .hero-stats { gap: 8px; }
  .hero-stats li { min-width: 120px; padding: 14px 18px; }
  .hero-stats strong { font-size: 22px; }
  .manifesto-quote { left: 24px; font-size: 84px; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); gap: 28px; padding: 36px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================================
   参考销氪：客户案例 / 痛点方案 / 免费诱导
   ============================================================ */

/* 客户案例 */
.cases {
  background:
    radial-gradient(60% 80% at 90% 0%, rgba(31, 184, 224, .08) 0%, rgba(255, 255, 255, 0) 60%),
    #fff;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 30px 28px 26px;
  background: #fff;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  overflow: hidden;
}
.case::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 3px;
  background: linear-gradient(90deg, #2F6BFF, #1FB8E0);
  opacity: 0;
  transition: opacity .35s ease;
}
.case:hover {
  transform: translateY(-4px);
  border-color: #C7DAF8;
  box-shadow: 0 26px 54px -40px rgba(16, 44, 92, .55);
}
.case:hover::before { opacity: 1; }
.case-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.case-tag {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid #D6E4FF;
  border-radius: 100px;
  padding: 3px 11px;
  letter-spacing: 0.06em;
}
.case-name {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.case-quote {
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 22px;
}
.case-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.case-metric { text-align: left; }
.case-metric strong {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.2;
  background: linear-gradient(120deg, #2F6BFF, #1FB8E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.case-metric span {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* 痛点方案 */
.solutions {
  background:
    radial-gradient(60% 80% at 4% 0%, rgba(47, 107, 255, .07) 0%, rgba(245, 248, 254, 0) 60%),
    linear-gradient(180deg, #F7FAFF 0%, #EFF5FF 100%);
}
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.solution {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 30px 28px;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.solution:hover {
  transform: translateY(-4px);
  border-color: #C7DAF8;
  box-shadow: 0 26px 54px -40px rgba(16, 44, 92, .5);
}
.solution-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: linear-gradient(140deg, #E7F0FF, #DDF6FD);
  border: 1px solid #CEE2FF;
  margin-bottom: 20px;
}
.solution-icon svg { width: 23px; height: 23px; }
.solution h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.solution p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
}
.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.solution-tags li {
  font-size: 12px;
  color: var(--text);
  background: #F3F7FE;
  border: 1px solid #E3ECFA;
  border-radius: 6px;
  padding: 4px 10px;
  letter-spacing: 0.03em;
}

/* 免费诱导 */
.free-trial {
  background:
    radial-gradient(70% 110% at 82% 0%, rgba(47, 107, 255, .5) 0%, rgba(11, 35, 80, 0) 60%),
    radial-gradient(60% 100% at 8% 100%, rgba(31, 184, 224, .25) 0%, rgba(11, 35, 80, 0) 58%),
    linear-gradient(150deg, #14336B 0%, #0B2350 62%, #081A3C 100%);
  position: relative;
  overflow: hidden;
  color: #fff;
}
.free-trial::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(60% 70% at 50% 40%, #000, transparent 78%);
  mask-image: radial-gradient(60% 70% at 50% 40%, #000, transparent 78%);
}
.free-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  padding: 80px 40px;
}
.free-copy .kicker { color: #8FC6FF; }
.free-copy .kicker::before { background: #8FC6FF; }
.free-copy h2 {
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.3;
  color: #fff;
  letter-spacing: 0.01em;
}
.free-sub {
  margin: 22px 0 32px;
  max-width: 480px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(233, 242, 255, .8);
}
.free-cards {
  display: grid;
  gap: 14px;
  list-style: none;
}
.free-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  align-items: baseline;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px;
  padding: 20px 22px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.free-num {
  grid-row: 1 / span 2;
  font-family: var(--serif);
  font-size: 40px;
  font-weight: 600;
  line-height: 1;
  color: #fff;
  align-self: center;
}
.free-num span {
  font-size: 16px;
  font-weight: 400;
  margin-left: 2px;
  color: #8FC6FF;
}
.free-label {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.02em;
}
.free-desc {
  font-size: 12px;
  color: rgba(233, 242, 255, .68);
  margin-top: 4px;
}

/* ============================================================
   价格板块
   ============================================================ */
.pricing {
  background:
    radial-gradient(70% 90% at 50% 0%, rgba(47, 107, 255, .07) 0%, rgba(255, 255, 255, 0) 60%),
    var(--bg);
  padding: 88px 40px;
}
.pricing .wrap { max-width: var(--wrap); margin: 0 auto; }
.pricing .section-head { margin-bottom: 48px; }

.price-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 38px 36px 34px;
  box-shadow: 0 24px 60px -40px rgba(11, 35, 80, .35);
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 70px -42px rgba(11, 35, 80, .5);
  border-color: var(--line-strong);
}
.price-card-pro {
  border: 1px solid transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(140deg, var(--accent), var(--accent-2)) border-box;
  box-shadow: 0 30px 70px -42px rgba(47, 107, 255, .55);
}
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 100px;
  padding: 5px 16px;
  box-shadow: 0 8px 20px -8px rgba(47, 107, 255, .7);
}
.price-plan {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink);
}
.price-card-pro .price-plan { color: var(--accent); }
.price-plan-desc {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}
.price-amount {
  display: flex;
  align-items: baseline;
  margin: 26px 0 26px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.price-currency {
  font-size: 24px;
  font-weight: 600;
  color: var(--accent);
  align-self: flex-start;
  margin-top: 6px;
}
.price-num {
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.price-card-pro .price-num { color: var(--accent); }
.price-unit {
  margin-left: 8px;
  font-size: 14px;
  color: var(--muted);
  letter-spacing: .02em;
}
.price-features {
  list-style: none;
  margin: 0 0 30px;
  flex: 1;
}
.price-features li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
}
.price-features li + li { margin-top: 12px; }
.price-features li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--accent-soft);
  border-radius: 50%;
}
.price-features li::after {
  content: "";
  position: absolute;
  left: 6.5px;
  top: 12px;
  width: 7px;
  height: 4px;
  border-left: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
}
.price-card-pro .price-features li::before { background: #EAF1FF; }
.btn-block { width: 100%; justify-content: center; }
.price-note {
  margin: 34px auto 0;
  max-width: 640px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.price-note strong { color: var(--accent); font-weight: 600; }

@media (max-width: 860px) {
  .pricing { padding: 64px 24px; }
  .price-grid { grid-template-columns: 1fr; gap: 26px; }
  .price-num { font-size: 54px; }
}

@media (max-width: 1024px) {
  .case-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .free-inner { grid-template-columns: 1fr; gap: 40px; padding: 60px 24px; }
}
@media (max-width: 860px) {
  .case-grid { gap: 16px; }
  .solution-grid { gap: 16px; }
  .case-metric strong { font-size: 20px; }
  .free-copy h2 { font-size: 26px; }
}

/* ============================================================
   产品实拍区：真实界面截图
   ============================================================ */
.showcase {
  background:
    radial-gradient(70% 80% at 50% 0%, rgba(47, 107, 255, .08) 0%, rgba(255, 255, 255, 0) 62%),
    #fff;
}
.showcase-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: end;
}
.shot { position: relative; }
.shot-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 40px 80px -48px rgba(11, 35, 80, .55);
  background: #fff;
}
.shot-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 16px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .6);
  pointer-events: none;
  z-index: 2;
}
.shot-frame img {
  width: 100%;
  height: auto;
  display: block;
}
.shot-admin .shot-frame { transform: rotate(-1deg); }
.shot-h5 .shot-frame {
  transform: rotate(1.2deg);
  max-width: 78%;
}
.shot-h5 { justify-self: center; }
.shot figcaption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}
.shot-tag {
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid #D6E4FF;
  border-radius: 100px;
  padding: 3px 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.shot-title {
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.02em;
}

@media (max-width: 860px) {
  .showcase-grid { grid-template-columns: 1fr; gap: 30px; }
  .shot-admin .shot-frame,
  .shot-h5 .shot-frame { transform: none; max-width: 100%; }
  .shot-h5 { justify-self: stretch; }
}

/* ============================================================
   区块节奏统一：每个 section 自带上下呼吸空间
   ============================================================ */
.showcase { padding: 64px 0 68px; }
.metrics { margin-top: 8px; }
.cases { padding: 64px 0; }
.solutions { padding: 64px 0; }
.scenes { padding: 64px 0; }
.free-trial { margin-top: 8px; }
.trust { margin-bottom: 4px; }

@media (max-width: 860px) {
  .showcase { padding: 64px 0 68px; }
  .cases { padding: 64px 0; }
  .solutions { padding: 64px 0; }
  .scenes { padding: 64px 0; }
}

/* ============================================================
   宣言区 & 概念区设计加浓
   ============================================================ */

/* 宣言区：浅蓝渐变底 + 显形大引号 + 右侧装饰环 */
.manifesto {
  background:
    radial-gradient(52% 70% at 88% 8%, rgba(31, 184, 224, .13) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(46% 66% at 4% 92%, rgba(47, 107, 255, .12) 0%, rgba(255, 255, 255, 0) 60%),
    linear-gradient(180deg, #FFFFFF 0%, #EFF5FF 100%);
}
.manifesto-quote {
  opacity: .5;
  font-size: 160px;
  top: -6px;
  left: 28px;
  background: linear-gradient(140deg, #2F6BFF, #1FB8E0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.manifesto::after {
  content: "";
  position: absolute;
  right: -160px; bottom: -160px;
  width: 480px; height: 480px;
  border: 1px solid rgba(47, 107, 255, .18);
  border-radius: 50%;
  pointer-events: none;
}
.manifesto::before {
  content: "";
  position: absolute;
  right: -60px; bottom: -60px;
  width: 280px; height: 280px;
  border: 1px dashed rgba(31, 184, 224, .3);
  border-radius: 50%;
  pointer-events: none;
}
.manifesto-body {
  max-width: 860px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}
.manifesto-body p {
  position: relative;
  padding: 22px 0 22px 26px;
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, #2F6BFF, #1FB8E0) 1;
  background: linear-gradient(90deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0));
  font-size: 15px;
  line-height: 2.05;
}
@media (max-width: 860px) {
  .manifesto-body { grid-template-columns: 1fr; gap: 18px; }
  .manifesto-quote { font-size: 100px; left: 18px; }
  .manifesto::after, .manifesto::before { display: none; }
}

/* 概念区：卡片渐变底 + 图标加深 + 角标强化 */
.concepts .concept {
  background: linear-gradient(160deg, #FFFFFF 0%, #F3F8FF 70%, #EDF6FF 100%);
  border-color: #DCE8FA;
  border-top: none;
}
.concepts .concept::before {
  left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #2F6BFF, #1FB8E0 60%, rgba(31, 184, 224, 0));
  opacity: .8;
}
.concepts .concept::after {
  color: #9FC0F0;
  font-size: 15px;
  right: 30px; top: 24px;
  opacity: .9;
}
.concepts .concept:hover {
  background: linear-gradient(160deg, #FFFFFF 0%, #EEF6FF 100%);
}
.concepts .concept-icon {
  width: 50px; height: 50px;
  color: #fff;
  background: linear-gradient(135deg, #4B84FF 0%, #2358E8 100%);
  border: none;
  box-shadow: 0 12px 26px -12px rgba(47, 107, 255, .7);
  border-radius: 13px;
  margin-bottom: 22px;
}
.concepts .concept h3 { font-size: 19px; color: var(--ink); }
.concepts .concept p { color: var(--text); }

/* 三支柱：同步强化图标为实心渐变 */
.pillars .pillar-icon {
  width: 50px; height: 50px;
  color: #fff;
  background: linear-gradient(135deg, #4B84FF 0%, #2358E8 100%);
  border: none;
  box-shadow: 0 12px 26px -12px rgba(47, 107, 255, .7);
  border-radius: 13px;
}
.pillars .pillar-icon svg { width: 23px; height: 23px; }
.pillars .pillar {
  background: linear-gradient(160deg, #FFFFFF 0%, #F5F9FF 100%);
}
.pillars .pillar-num {
  color: #9FC0F0;
  font-size: 14px;
}

/* ---------- 坐席登录弹窗 ---------- */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 26, 51, .5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.modal {
  width: 100%;
  max-width: 380px;
  margin: 20px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 24px 60px -20px rgba(8, 26, 51, .5);
  overflow: hidden;
  animation: modalIn .2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid #E6EDF5;
}
.modal-title { font-size: 15px; font-weight: 600; color: #081A33; }
.modal-close {
  border: none;
  background: transparent;
  font-size: 22px;
  line-height: 1;
  color: #8A9AB5;
  cursor: pointer;
  padding: 0 4px;
}
.modal-close:hover { color: #081A33; }
.modal-body { padding: 22px 20px 24px; }
.modal .btn { width: 100%; }

/* 页脚 logo */
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-logo img {
  width: 30px; height: 30px;
  object-fit: contain;
  display: block;
}