/* ============================================================
   Seapify · 一站式出海解决方案 · 官网
   设计语言：SF Pro 系统字体栈 / 黑白灰交替板块 / 大标题大留白 /
   毛玻璃导航 / 渐变标题文字 / 克制用色（蓝 #2997ff / #0066CC）
   ============================================================ */

:root {
  --blue: #2997ff;
  --blue-light: #0071e3;
  --blue-link: #0066cc;
  --bg-dark: #000;
  --bg-light: #fbfbfd;
  --bg-gray: #f5f5f7;
  --text-dark: #1d1d1f;
  --text-soft: #6e6e73;
  --text-gray: #86868b;
  --nav-h: 48px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-pill: 980px;
  --content: 980px;
  --container: 1200px;
  --container-narrow: 900px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.47;
  color: var(--text-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

button { font-family: inherit; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 22px;
}

.container-narrow { max-width: var(--container-narrow); }

/* ---------------- 文字渐变 ---------------- */
.grad-blue {
  background: linear-gradient(90deg, #2997ff 0%, #0066cc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.grad-multicolor {
  background: linear-gradient(90deg, #2997ff 0%, #7d53ff 50%, #ff7a3d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  cursor: pointer;
  border: 0;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
}

.btn-lg { padding: 11px 36px; font-size: 16px; }

.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: #1a86e8; transform: translateY(-1px); }

.btn-ghost { background: rgba(255, 255, 255, 0.04); color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

.btn-light { background: #fff; color: var(--text-dark); border: 1px solid #d2d2d7; }
.btn-light:hover { background: #f5f5f7; }

.chev {
  display: inline-block;
  font-weight: 400;
  transform: translateY(-1px);
  transition: transform 0.25s;
}

.btn:hover .chev { transform: translate(3px, -1px); }

/* ---------------- 导航 ---------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 50;
  background: rgba(255, 255, 255, 0);
  transition: background 0.35s, backdrop-filter 0.35s, border-color 0.35s,
              opacity 0.6s ease, visibility 0.6s ease, transform 0.6s ease;
  border-bottom: 0.5px solid transparent;
}

/* 打字机开场时让视线只停留在叙事文字上。 */
body.intro-active .nav,
body.intro-active .tabbar {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

.nav.section-dark-bg { color: #fff; }

.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.nav.scrolled .nav-logo { color: var(--text-dark); }

.nav-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #2997ff 0%, #0066cc 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 13px;
  color: #fff;
}

.nav-links a {
  color: #fff;
  opacity: 0.85;
  transition: opacity 0.2s;
}

.nav-links a.active { opacity: 1; font-weight: 600; }

.nav.scrolled .nav-links a { color: var(--text-dark); opacity: 0.85; }
.nav.scrolled .nav-links a:hover { opacity: 1; }
.nav-links a:hover { opacity: 1; }

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-pill);
  color: #fff;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.nav.scrolled .nav-cta { color: var(--text-dark); border-color: rgba(0,0,0,0.2); }

.nav-cta:hover { background: #fff; color: var(--text-dark); border-color: #fff; }
.nav.scrolled .nav-cta:hover { background: var(--text-dark); color: #fff; border-color: var(--text-dark); }

/* ---------------- 手机顶部胶囊按钮 ---------------- */
.mobile-cta { display: none; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; }
  .nav-cta { padding: 7px 14px; font-size: 12px; }
}

/* ---------------- Hero ---------------- */
.hero {
  background: radial-gradient(120% 90% at 50% 0%, #0d1826 0%, #06090f 45%, #000 100%);
  color: #fff;
  text-align: center;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* 底部多留出滚动箭头的空间，避免箭头压到内容 */
  padding: calc(var(--nav-h) + 16px) 22px 88px;
  position: relative;
  overflow: hidden;
}

/* ---------- 首屏动态背景：极光 + 星空 ---------- */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-body,
.hero-scroll { z-index: 1; }
.hero-body { position: relative; }

.hero-stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .85;
}

.hero-aurora {
  position: absolute;
  inset: -18% -12%;
  filter: blur(86px);
  opacity: .92;
}
.hero-aurora span {
  position: absolute;
  display: block;
  border-radius: 50%;
  will-change: transform;
}
.hero-aurora span:nth-child(1) {
  width: 52vw; height: 46vw;
  left: 2%; top: -14%;
  background: radial-gradient(circle, rgba(41,151,255,.7) 0%, rgba(41,151,255,0) 68%);
  animation: aurora-drift-a 26s ease-in-out infinite alternate;
}
.hero-aurora span:nth-child(2) {
  width: 46vw; height: 42vw;
  right: -2%; top: -6%;
  background: radial-gradient(circle, rgba(125,83,255,.56) 0%, rgba(125,83,255,0) 68%);
  animation: aurora-drift-b 34s ease-in-out infinite alternate;
}
.hero-aurora span:nth-child(3) {
  width: 62vw; height: 38vw;
  left: 18%; bottom: -26%;
  background: radial-gradient(circle, rgba(0,132,255,.44) 0%, rgba(0,132,255,0) 70%);
  animation: aurora-drift-c 40s ease-in-out infinite alternate;
}

@keyframes aurora-drift-a {
  from { transform: translate3d(-4%, -2%, 0) scale(1); }
  to   { transform: translate3d(8%, 6%, 0) scale(1.18); }
}
@keyframes aurora-drift-b {
  from { transform: translate3d(3%, 2%, 0) scale(1.1); }
  to   { transform: translate3d(-7%, 8%, 0) scale(1); }
}
@keyframes aurora-drift-c {
  from { transform: translate3d(0, 4%, 0) scale(1); }
  to   { transform: translate3d(-6%, -6%, 0) scale(1.14); }
}

/* 暗角：压暗四周，保证文字与卡片对比度 */
.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(85% 65% at 50% 42%, rgba(0,0,0,0) 0%, rgba(0,0,0,.42) 78%, rgba(0,0,0,.72) 100%),
    linear-gradient(180deg, rgba(0,0,0,.28) 0%, rgba(0,0,0,0) 26%, rgba(0,0,0,0) 62%, rgba(0,0,0,.55) 100%);
}

/* 细颗粒噪点：让大面积渐变更有质感，避免「纯 CSS 色块」感 */
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .055;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* 可选视频背景（未配置 data-src 时不加载、不可见） */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .8s var(--ease);
}
.hero.has-hero-video .hero-video { opacity: .72; }
.hero.has-hero-video .hero-aurora { opacity: .2; }
.hero.has-hero-video .hero-stars { opacity: .3; }

@media (max-width: 860px) {
  .hero-aurora { filter: blur(60px); opacity: .78; }
  .hero-stars { opacity: .7; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-aurora span { animation: none !important; }
}

/* 打字机阶段 */
.typewriter-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.typewriter-stage.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.typewriter-line {
  font-size: clamp(22px, 3.5vw, 34px);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.4;
  color: #fff;
  min-height: 1.6em;
  text-align: center;
}

.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--blue);
  margin-left: 3px;
  vertical-align: text-bottom;
  animation: blink 0.9s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 首屏主体 */
.hero-body {
  opacity: 0;
  transform: scale(0.9) translateY(50px);
  transition: opacity 1.6s cubic-bezier(0.22, 1, 0.36, 1),
              transform 1.6s cubic-bezier(0.22, 1, 0.36, 1);
  width: 100%;
  max-width: var(--container);
}

.hero-body.revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* 首屏子元素依次出现（staggered） */
.hero-body .hero-eyebrow,
.hero-body .hero-title,
.hero-body .hero-sub,
.hero-body .hero-actions {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-body.revealed .hero-eyebrow { opacity: 1; transform: translateY(0); transition-delay: 0.15s; }
.hero-body.revealed .hero-title   { opacity: 1; transform: translateY(0); transition-delay: 0.35s; }
.hero-body.revealed .hero-sub     { opacity: 1; transform: translateY(0); transition-delay: 0.55s; }
.hero-body.revealed .hero-actions { opacity: 1; transform: translateY(0); transition-delay: 0.75s; }

.hero-eyebrow {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-gray);
  margin-bottom: 12px;
  letter-spacing: 0.005em;
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 52px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 auto 18px;
  white-space: nowrap;
  max-width: 100%;
}

.hero-sub {
  max-width: 560px;
  margin: 0 auto 24px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-gray);
}

.hero-actions {
  display: inline-flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero-note {
  font-size: 12.5px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.01em;
  margin-bottom: 28px;
}

/* 4 能力卡片 */
.hero-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 1100px;
  margin: 0 auto 18px;
}

.hero-cards article {
  background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 18px 14px 16px;
  text-align: left;
  transition: background 0.25s, border-color 0.25s;
}

.hero-cards article:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
}

.hero-card-icon {
  width: 32px;
  height: 32px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-icon svg {
  width: 100%;
  height: 100%;
}

.hero-cards h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}

.hero-cards p {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin: 0;
  line-height: 1.4;
}

/* 4 勾选点 */
.hero-checks {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 18px 28px;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-checks span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: rgba(255,255,255,0.65);
}

.hero-checks b {
  color: #fff;
  font-weight: 700;
}

@media (max-width: 860px) {
  .hero-checks b { display: inline; }
}

.hero-checks svg {
  flex-shrink: 0;
}

/* 首屏底部 · 向下滚动引导 */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,.56);
  text-decoration: none;
  z-index: 3;
  transition: color .25s, opacity .25s;
}
.hero-scroll:focus-visible { outline: none; color: #fff; }
.hero-scroll-text {
  font-size: 11px;
  letter-spacing: .1em;
  white-space: nowrap;
}
.hero-scroll-icon {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 50%;
  background: rgba(255,255,255,.04);
  transition: border-color .25s, background .25s, transform .25s;
}
.hero-scroll-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: hero-scroll-nudge 1.9s cubic-bezier(.4,0,.2,1) infinite;
}
.hero-scroll:hover { color: #fff; }
.hero-scroll:hover .hero-scroll-icon { border-color: rgba(41,151,255,.7); background: rgba(41,151,255,.16); }
.hero-scroll:hover .hero-scroll-icon svg { animation-play-state: paused; }

/* 箭头向下轻推 + 圆环呼吸，提示可以继续滚动 */
@keyframes hero-scroll-nudge {
  0%, 62%, 100% { transform: translateY(0); opacity: .62; }
  28% { transform: translateY(4px); opacity: 1; }
}

/* 滚动离开首屏后淡出，避免残留在其它板块上 */
.hero.is-scrolled .hero-scroll { opacity: 0; pointer-events: none; }

@media (max-width: 640px) {
  .hero-scroll { bottom: 18px; gap: 5px; }
  .hero-scroll-text { font-size: 10px; }
  .hero-scroll-icon { width: 27px; height: 27px; }
  .hero-scroll-icon svg { width: 13px; height: 13px; }
}

@media (max-width: 540px) {
  .hero-title {
    white-space: nowrap;
    font-size: clamp(20px, 6.4vw, 26px);
    letter-spacing: -0.02em;
  }
}

@media (max-width: 860px) {
  .hero-cards { grid-template-columns: repeat(2, 1fr); }
  .hero-checks { gap: 10px 18px; }
  .hero-checks span { font-size: 12px; }
}

@media (max-width: 640px) {
  .hero { padding: calc(var(--nav-h) + 16px) 16px 76px; }
  .typewriter-stage { padding: 0 18px; }
  .typewriter-line { width: 100%; text-align: center; }
  .hero-sub { font-size: 13px; }
  .hero-cards { gap: 8px; }
  .hero-cards article { padding: 14px 12px; }
  .hero-cards h4 { font-size: 13px; }
  .hero-checks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 12px; max-width: none; margin: 0; padding: 0 4px; }
  .hero-checks span { font-size: 10px; line-height: 1.35; }
}

/* ---------------- 通用 Section ---------------- */
.section { padding: 110px 0; }

.section-light { background: var(--bg-light); color: var(--text-dark); }
.section-gray { background: var(--bg-gray); color: var(--text-dark); }
.section-dark { background: var(--bg-dark); color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-link);
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}

.eyebrow-dark { color: var(--blue); }

.headline {
  font-size: clamp(32px, 4.8vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.022em;
  margin: 0 0 18px;
}

.sub {
  max-width: 640px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--text-soft);
  margin: 0 0 56px;
}

.sub-dark { color: rgba(255,255,255,0.7); }

.section-light .sub,
.section-gray .sub { color: var(--text-soft); }

/* ---------------- Hero Trust（首屏内） ---------------- */
.hero-trust {
  margin-top: 28px;
  margin-bottom: 28px;
  color: #fff;
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
  padding: 0 22px;
}

.hero-trust-title {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #777;
  margin-bottom: 14px;
}
.hero-trust-title a { color: inherit; text-decoration: none; }
.hero-trust-title a:hover { color: #fff; }

@media (max-width: 640px) {
  .hero-trust { padding-left: 0; padding-right: 0; }
  .hero-trust-title { font-size: 9px; letter-spacing: 0; }
}

.trust-marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  padding: 4px 0;
}

.trust-track {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  animation: marquee 32s linear infinite;
}

.trust-track span {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.45);
  opacity: 0.8;
  flex-shrink: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (max-width: 720px) {
  .trust-track span { font-size: 14px; }
  .trust-track { gap: 36px; }
}

/* ---------------- Problem ---------------- */
.problem { text-align: center; }
.problem .headline, .problem .sub { margin-left: auto; margin-right: auto; }
.problem .sub { max-width: 760px; }

.problem-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: var(--container);
  margin: 0 auto 32px;
}

.problem-stats div {
  background: #fff;
  border-radius: var(--radius-md);
  border: 0.5px solid rgba(0,0,0,0.06);
  padding: 22px 16px;
}

.problem-stats b {
  display: block;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #2997ff 0%, #0066cc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 6px;
}

.problem-stats span { font-size: 13.5px; color: var(--text-soft); }

.problem-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.problem-tags span {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0,0,0,0.1);
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
}

@media (max-width: 700px) {
  .problem-stats { grid-template-columns: repeat(2, 1fr); }
}

.compare-wrap {
  margin: 0 auto;
  background: #fff;
  border: 0.5px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  text-align: left;
  box-shadow: 0 24px 70px -52px rgba(0,0,0,0.35);
}

.compare-hint { display: none; }

.compare-table {
  width: 100%;
  min-width: 1560px;
  border-collapse: collapse;
  table-layout: auto;
}

.compare-table th,
.compare-table td {
  padding: 20px;
  vertical-align: top;
  border-bottom: 0.5px solid rgba(0,0,0,0.07);
}

.compare-table thead th {
  background: #1d1d1f;
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: none;
}

.compare-table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
  width: 1%;
  color: rgba(255,255,255,0.52);
  white-space: nowrap;
}

.compare-table thead th:nth-child(2) {
  background: linear-gradient(135deg, #1f8fff 0%, #0a63d8 100%);
  color: #fff;
  box-shadow: inset 0 -1px 0 rgba(255,255,255,0.16), inset 0 1px 0 rgba(255,255,255,0.22);
}

.compare-table tbody th {
  position: sticky;
  left: 0;
  z-index: 2;
  width: 1%;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.45;
  white-space: nowrap;
  background: #fff;
  box-shadow: 1px 0 0 rgba(0,0,0,0.06);
}

.compare-table tbody td {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-soft);
}

.compare-table tbody td:nth-child(2) {
  background: linear-gradient(180deg, #eef7ff 0%, #e6f2ff 100%);
  color: var(--text-dark);
  font-weight: 500;
  box-shadow: inset 1px 0 0 rgba(10,99,216,0.12), inset -1px 0 0 rgba(10,99,216,0.12);
}

.compare-table tbody td:nth-child(2),
.compare-table tbody td:nth-child(3),
.compare-table tbody td:nth-child(4),
.compare-table tbody td:nth-child(5),
.compare-table tbody td:nth-child(6) {
  white-space: nowrap;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  vertical-align: 1px;
}

.compare-cross {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  margin-right: 9px;
  border-radius: 50%;
  background: rgba(0,0,0,0.08);
  color: var(--text-gray);
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  vertical-align: 1px;
}

.compare-partial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  margin-right: 9px;
  border-radius: 50%;
  background: rgba(255,159,10,0.14);
  color: #b26a00;
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  vertical-align: 1px;
}

/* 对比表下方的功能堆砌：用密集小卡片直接展示能力广度 */
.compare-highlights {
  margin-top: 56px;
  text-align: center;
}

.compare-highlights-head {
  max-width: 720px;
  margin: 0 auto 26px;
}

.compare-highlights-head .eyebrow { margin-bottom: 10px; }

.compare-highlights-head h3 {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 10px;
}

.compare-highlights-head p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0;
}

.feature-stack-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  text-align: left;
}

.feature-stack-grid li {
  min-height: 62px;
  display: flex;
  align-items: center;
  flex-direction: row;
  justify-content: flex-start;
  gap: 10px;
  padding: 11px 12px;
  background: linear-gradient(145deg, #fff 0%, #f5f7fa 100%);
  border: 1px solid rgba(0,0,0,0.065);
  border-radius: 14px;
  box-shadow: 0 10px 28px -28px rgba(0,0,0,.7);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.feature-stack-grid li:hover {
  transform: translateY(-3px);
  border-color: rgba(41,151,255,.34);
  box-shadow: 0 18px 35px -26px rgba(0,74,173,.55);
}

.feature-icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.feature-stack-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(41,151,255,0.12);
  color: var(--blue-link);
}

.feature-stack-icon svg {
  display: block;
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.65;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-stack-grid b {
  min-width: 0;
  font-size: 13px;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -.012em;
}

@media (max-width: 1020px) {
  .feature-stack-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .compare-highlights { margin-top: 40px; }
  .compare-highlights-head { margin-bottom: 20px; }
  .feature-stack-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .feature-stack-grid li { min-height: 58px; padding: 10px; gap: 9px; }
  .feature-stack-icon { flex-basis: 32px; width: 32px; height: 32px; border-radius: 9px; }
  .feature-stack-icon svg { width: 17px; height: 17px; }
  .feature-stack-grid b { font-size: 12px; }
}

@media (max-width: 760px) {
  .compare-hint {
    display: block;
    margin: -30px 0 12px;
    color: var(--text-gray);
    font-size: 12px;
    text-align: right;
  }

  .compare-wrap { border-radius: 16px; }

  .compare-table { min-width: 1440px; }

  .compare-table th,
  .compare-table td { padding: 16px 18px; }

  .compare-table thead th:first-child,
  .compare-table tbody th {
    width: auto;
    min-width: 96px;
  }
}

/* ---------------- Solution ---------------- */
.solution { text-align: center; }
.solution .headline, .solution .sub { margin-left: auto; margin-right: auto; }

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: left;
}

.promise-grid article {
  background: #111113;
  border: 0.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 32px 26px;
}

.promise-ic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2997ff 0%, #0066cc 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
}

.promise-grid h3 { font-size: 18px; font-weight: 600; margin: 0 0 10px; }
.promise-grid p { font-size: 14.5px; line-height: 1.6; color: rgba(255,255,255,0.7); margin: 0; }

@media (max-width: 860px) { .promise-grid { grid-template-columns: 1fr; } }

/* ---------------- Workbench Shot ---------------- */
.workbench-demo { text-align: center; padding: 64px 0 80px; }
.workbench-demo .sub { margin-bottom: 36px; }
.workbench-shot { max-width: 1080px; margin: 0 auto; }

@media (max-width: 920px) {
  .workbench-shot { padding: 0 12px; }
}

/* ---------------- Feature (feature-grid 通用) ---------------- */
.feature { padding: 120px 0; }

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-copy h2.headline { margin-top: 8px; }
.feature-copy > p { font-size: 16px; line-height: 1.6; color: var(--text-soft); margin-bottom: 24px; }

.check-list { list-style: none; padding: 0; margin: 0 0 30px; }
.check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 14px; height: 8px;
  border-left: 2px solid var(--blue);
  border-bottom: 2px solid var(--blue);
  transform: rotate(-45deg);
  border-radius: 1px;
}

.section-dark .check-list li { color: rgba(255,255,255,0.92); }
.section-dark .check-list li::before { border-color: #66b6ff; }

@media (max-width: 920px) {
  .feature-grid { grid-template-columns: 1fr; gap: 40px; }
  /* NiubPay：手机端文字在上、截图在下 */
  .feature-pay .feature-copy { order: 1; }
  .feature-pay .feature-shot { order: 2; }
}

/* ---------------- 工作台 / NiubShop / NiubPay 截图 ---------------- */
.shot-frame {
  background: #161618;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,0.35), 0 8px 22px rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.08);
}

.shot-frame-light {
  background: #fff;
  border-color: rgba(0,0,0,0.06);
  box-shadow: 0 24px 60px -16px rgba(0,0,0,0.16), 0 6px 18px rgba(0,0,0,0.06);
}

.shot-bar {
  background: #1d1d1f;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 0.5px solid rgba(255,255,255,0.05);
}

.shot-bar > span {
  width: 11px; height: 11px; border-radius: 50%;
  background: #444;
  display: inline-block;
}
.shot-bar > span:nth-child(1) { background: #ff5f57; }
.shot-bar > span:nth-child(2) { background: #febc2e; }
.shot-bar > span:nth-child(3) { background: #28c840; }

.shot-bar b {
  flex: 1;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.shot-bar::after {
  content: "示意";
  flex-shrink: 0;
  color: rgba(255,255,255,0.42);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.shot-frame-light .shot-bar { background: #f5f5f7; border-bottom: 0.5px solid rgba(0,0,0,0.05); }
.shot-frame-light .shot-bar b { color: var(--text-soft); }

.shot-body { padding: 0; }

/* ===== Workbench Shot 专属 ===== */
.shot-workbench {
  background: #0e0e10;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 30px 80px -22px rgba(0,0,0,0.45), 0 8px 22px rgba(0,0,0,0.18);
}

.shot-frame { padding: 0; }

.wb-top {
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 14px;
  padding: 10px 14px;
  background: #15151a;
  border-bottom: 0.5px solid rgba(255,255,255,0.06);
  align-items: center;
}

.wb-time { font-size: 12px; color: rgba(255,255,255,0.78); font-weight: 500; font-feature-settings: "tnum" 1, "ss01" 1; white-space: nowrap; }
.wb-time small { color: rgba(255,255,255,0.45); font-weight: 400; margin-left: 4px; }

.wb-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}

.wb-search-icon {
  display: inline-flex;
  width: 14px; height: 14px;
  align-items: center;
  justify-content: center;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-size: 9px;
}

.wb-search kbd {
  margin-left: auto;
  font-size: 10.5px;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
}

.wb-status { display: flex; justify-content: flex-end; gap: 10px; font-size: 12px; color: rgba(255,255,255,0.55); align-items: center; }
.wb-status .wb-icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; opacity: 0.8; }

.wb-body { display: grid; grid-template-columns: 110px 1fr; min-height: 360px; }

.wb-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 12px;
  background: #0a0a0c;
  border-right: 0.5px solid rgba(255,255,255,0.05);
  font-size: 13px;
  color: rgba(255,255,255,0.62);
}

.wb-side-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  margin-bottom: 8px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2997ff 0%, #0066cc 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
}

.wb-side span { padding-left: 4px; }
.wb-side span.on {
  background: rgba(255,255,255,0.06);
  color: #fff;
  padding: 6px 10px;
  border-radius: 8px;
}

.wb-main { padding: 18px; display: flex; flex-direction: column; gap: 16px; }

.wb-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: minmax(78px, auto);
  gap: 12px;
}

.wb-card {
  background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 4px;
}

.wb-card small { font-size: 10.5px; color: var(--blue); font-weight: 600; letter-spacing: 0.02em; }
.wb-card h4 { margin: 0; font-size: 13.5px; font-weight: 600; color: #fff; line-height: 1.35; }
.wb-card p { margin: 0; font-size: 11.5px; color: rgba(255,255,255,0.45); }
.wb-card > span:not([class]) { font-size: 11px; color: var(--blue); margin-top: 4px; }

.wb-dock {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 14px;
  border-top: 0.5px solid rgba(255,255,255,0.05);
}

.wb-dock span {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.05);
}

@media (max-width: 640px) {
  .wb-top { grid-template-columns: 1fr; gap: 8px; }
  .wb-status { display: flex; justify-content: flex-start; gap: 8px; }
  .wb-status .wb-icon { width: 18px; height: 18px; }
  .wb-body { grid-template-columns: 1fr; }
  .wb-side { flex-direction: row; flex-wrap: wrap; padding: 12px; gap: 8px; border-right: 0; border-bottom: 0.5px solid rgba(255,255,255,0.05); }
  .wb-side-logo { display: none; }
  .wb-cards { grid-template-columns: 1fr 1fr; }
}

/* ===== NiubShop 截图 ===== */
.shot-shop { display: grid; grid-template-columns: 130px 1fr; min-height: 360px; }
.shot-side {
  background: #fff;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--text-soft);
  border-right: 0.5px solid rgba(0,0,0,0.06);
}
.shot-side b { font-size: 10px; color: var(--text-gray); letter-spacing: 0.12em; margin-bottom: 4px; }
.shot-side span { padding: 6px 8px; border-radius: 6px; }
.shot-side span.on { background: var(--bg-gray); color: var(--text-dark); font-weight: 600; }

.shot-stage { padding: 20px; background: var(--bg-light); }

.shot-hero {
  background: linear-gradient(135deg, #161618 0%, #2a2a2c 100%);
  color: #fff;
  border-radius: 12px;
  padding: 22px 22px 18px;
  margin-bottom: 14px;
}
.shot-hero small { font-size: 11px; color: var(--blue); font-weight: 600; letter-spacing: 0.06em; }
.shot-hero h5 { margin: 6px 0 6px; font-size: 20px; font-weight: 700; }
.shot-hero p { margin: 0 0 14px; font-size: 12px; color: rgba(255,255,255,0.6); }
.shot-cta {
  display: inline-block;
  background: #fff;
  color: #000;
  font-size: 11px;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 980px;
}

.shot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.shot-tile {
  background: #fff;
  border: 0.5px solid rgba(0,0,0,0.06);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.shot-tile i {
  display: block;
  height: 60px;
  border-radius: 6px;
  background: linear-gradient(135deg, #d2d2d7 0%, #a8a8ad 100%);
}
.shot-tile span { font-size: 11px; color: var(--text-soft); text-align: center; }

@media (max-width: 640px) {
  .shot-shop { grid-template-columns: 1fr; }
  .shot-side { flex-direction: row; flex-wrap: wrap; padding: 12px; border-right: 0; border-bottom: 0.5px solid rgba(0,0,0,0.06); }
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== NiubPay 截图 ===== */
.shot-pay { padding: 22px; background: #0e0e10; }
.pay-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}
.pay-row small { letter-spacing: 0.06em; }
.pay-tick {
  padding: 4px 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 980px;
  font-size: 10.5px;
  color: rgba(255,255,255,0.7);
}
.pay-big { margin-bottom: 22px; }
.pay-big b {
  display: block;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.025em;
  font-feature-settings: "tnum" 1, "ss01" 1;
  color: #fff;
}
.pay-big span { font-size: 11.5px; color: rgba(255,255,255,0.55); }

.pay-list { list-style: none; padding: 0; margin: 0 0 18px; display: flex; flex-direction: column; gap: 10px; }
.pay-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.78);
}
.pay-list li i {
  display: inline-block;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2997ff 0%, #0066cc 100%);
  flex-shrink: 0;
}
.pay-list li em { margin-left: auto; font-style: normal; font-weight: 600; color: #fff; font-feature-settings: "tnum" 1, "ss01" 1; }
.pay-cta {
  display: inline-block;
  font-size: 12px;
  color: var(--blue);
  padding-top: 4px;
}

/* ---------------- Use Cases ---------------- */
.use-cases { text-align: center; }
.use-cases .headline, .use-cases .sub { margin-left: auto; margin-right: auto; }

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  text-align: left;
}

.case-grid article {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 30px 28px;
  border: 0.5px solid rgba(0,0,0,0.06);
}

.case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-link);
  background: rgba(0, 102, 204, 0.08);
  padding: 4px 10px;
  border-radius: 980px;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}

.case-grid h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}

.case-grid p { font-size: 14.5px; line-height: 1.6; color: var(--text-soft); margin: 0 0 18px; }

.case-grid ul { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 7px; }

.case-grid li {
  font-size: 14px;
  color: var(--text-dark);
  padding-left: 18px;
  position: relative;
}
.case-grid li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 10px; height: 6px;
  border-left: 1.5px solid var(--blue-link);
  border-bottom: 1.5px solid var(--blue-link);
  transform: rotate(-45deg);
}

@media (max-width: 820px) { .case-grid { grid-template-columns: 1fr; } }

/* ---------------- Cases ---------------- */
.cases { text-align: center; }
.cases .headline, .cases .sub { margin-left: auto; margin-right: auto; }

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

.cases-grid article {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px 24px;
  border: 0.5px solid rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.case-tag-dark { background: rgba(0,0,0,0.06); color: var(--text-dark); }

.cases-grid h3 { font-size: 17px; font-weight: 600; margin: 0; line-height: 1.35; }

.case-stat { margin-top: 4px; }
.case-stat b {
  display: block;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #2997ff 0%, #0066cc 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-feature-settings: "tnum" 1, "ss01" 1;
}

.case-stat span { font-size: 13px; color: var(--text-gray); }

.cases-grid p { font-size: 13.5px; line-height: 1.55; color: var(--text-soft); margin: 0; }

.case-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.case-foot span {
  font-size: 11px;
  background: rgba(0,0,0,0.04);
  color: var(--text-soft);
  padding: 3px 9px;
  border-radius: 980px;
}

@media (max-width: 920px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cases-grid { grid-template-columns: 1fr; } }

/* ---------------- Voices（并入 Cases 板块） ---------------- */
.voices-head { margin-top: 0; text-align: center; }
.voices-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}

.voice-rows {
  display: grid;
  gap: 18px;
  margin-top: 40px;
}

/* 用户之声 · 左右循环滚动 */
.voice-marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.voice-track {
  display: flex;
  gap: 18px;
  width: max-content;
  animation: voice-scroll 64s linear infinite;
  text-align: left;
}
.voice-marquee:hover .voice-track { animation-play-state: paused; }

@keyframes voice-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(calc(-50% - 9px)); }
}

.voice-marquee--reverse .voice-track {
  animation-name: voice-scroll-reverse;
  animation-duration: 72s;
}

@keyframes voice-scroll-reverse {
  from { transform: translateX(calc(-50% - 9px)); }
  to { transform: translateX(0); }
}

.voice-track blockquote {
  width: 380px;
  flex-shrink: 0;
  margin: 0;
  padding: 26px 24px;
  background: #fff;
  border: 0.5px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-md);
}

.voice-track p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dark);
  margin: 0 0 18px;
}

.voice-track footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.voice-track footer b { font-size: 14px; font-weight: 600; color: var(--text-dark); }
.voice-track footer span { font-size: 12.5px; color: var(--text-gray); }

@media (max-width: 860px) {
  .voice-track blockquote { width: 300px; padding: 20px 18px; }
  .voice-track p { font-size: 14px; }
}

/* ---------------- Partners ---------------- */
.partners { padding: 86px 0 78px; text-align: center; }
.partners .headline, .partners .sub { margin-left: auto; margin-right: auto; }
.partners .sub { margin-bottom: 34px; }

/* 合作伙伴 · 左右循环滚动 logo 墙 */
.partner-marquee {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.partner-track {
  display: flex;
  gap: 10px;
  width: max-content;
  animation: partner-scroll 52s linear infinite;
}
.partner-marquee:hover .partner-track { animation-play-state: paused; }

@keyframes partner-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(calc(-50% - 7px)); }
}

.partner-track .partner-card {
  width: 154px;
  flex-shrink: 0;
}

.partner-card {
  min-height: 60px;
  background: rgba(255,255,255,.82);
  border: 0.5px solid rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  box-shadow: 0 8px 24px -24px rgba(0,0,0,.5);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow .3s, background .3s;
}

.partner-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--partner-color) 34%, rgba(0,0,0,.12));
  background: #fff;
  box-shadow: 0 16px 30px -24px color-mix(in srgb, var(--partner-color) 45%, transparent);
}

.partner-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--partner-color) 10%, #fff);
  color: var(--partner-color);
}

.partner-logo-mark svg {
  display: block;
  width: 22px;
  height: 22px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.partner-logo-mark .partner-logo-accent { opacity: .45; }

.partner-logo-name {
  min-width: 0;
  color: #1d1d1f;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.015em;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", sans-serif;
  white-space: nowrap;
}

.partners-more {
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-soft);
}

.partners-more b { font-weight: 700; color: var(--text-dark); }

@media (max-width: 920px) {
  .partners { padding: 72px 0 68px; }
  .partner-track .partner-card { width: 140px; min-height: 54px; padding: 8px 10px; gap: 8px; }
  .partner-logo-mark { flex-basis: 30px; width: 30px; height: 30px; border-radius: 9px; }
  .partner-logo-mark svg { width: 19px; height: 19px; }
  .partner-logo-name { font-size: 12px; }
}

/* ---------------- Pricing ---------------- */
.pricing { text-align: center; }
.pricing .headline, .pricing .sub { margin-left: auto; margin-right: auto; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  text-align: left;
  margin-bottom: 30px;
}

.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px 30px;
  border: 0.5px solid rgba(0,0,0,0.06);
  position: relative;
  display: flex;
  flex-direction: column;
}

.price-pop {
  background: linear-gradient(180deg, #111113 0%, #1d1d1f 100%);
  color: #fff;
  transform: scale(1.02);
}

.pop-badge {
  position: absolute;
  top: 18px; right: 24px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bg-dark);
  background: linear-gradient(90deg, #2997ff 0%, #7d53ff 100%);
  color: #fff;
  padding: 4px 12px;
  border-radius: 980px;
}

.price-label {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--blue-link);
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}

.price-pop .price-label { color: #66b6ff; }

.price-card h3 { font-size: 22px; font-weight: 600; letter-spacing: -0.012em; margin: 0 0 8px; }

.price-card > p { font-size: 14px; line-height: 1.55; color: var(--text-soft); margin-bottom: 18px; }

.price-pop > p { color: rgba(255,255,255,0.7); }

.price { display: flex; align-items: baseline; gap: 6px; margin-bottom: 22px; }

.price b { font-size: 32px; font-weight: 700; letter-spacing: -0.025em; font-feature-settings: "tnum" 1, "ss01" 1; }

.price span { font-size: 14px; color: var(--text-gray); }

.price-pop .price span { color: rgba(255,255,255,0.55); }

.price-contact {
  flex-wrap: wrap;
  row-gap: 2px;
}

.price-contact b {
  font-size: 26px;
  white-space: nowrap;
}

.price-contact span {
  flex-basis: 100%;
  white-space: nowrap;
}

.price-card ul { list-style: none; padding: 0; margin: 0 0 26px; display: flex; flex-direction: column; gap: 9px; flex: 1; }

.price-card li {
  font-size: 14px;
  padding-left: 18px;
  position: relative;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 10px; height: 6px;
  border-left: 1.5px solid var(--blue);
  border-bottom: 1.5px solid var(--blue);
  transform: rotate(-45deg);
}

.price-pop li::before { border-color: #66b6ff; }

@media (max-width: 1120px) {
  .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-pop { transform: none; }
}

/* ---------------- OEM 板块 ---------------- */
.oem { text-align: center; }
.oem .headline, .oem .sub { margin-left: auto; margin-right: auto; }

.oem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  text-align: left;
  margin-bottom: 44px;
}

.oem-grid article {
  background: #111113;
  border: 0.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 30px 24px;
}

.oem-no {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.oem-grid h3 { font-size: 17px; font-weight: 600; margin: 0 0 10px; }
.oem-grid p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.7); margin: 0; }

.oem-cta { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

@media (max-width: 860px) { .oem-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 540px) { .oem-grid { grid-template-columns: 1fr; } }

/* ---------------- Community 板块 ---------------- */
.community { text-align: center; }
.community .headline, .community .sub { margin-left: auto; margin-right: auto; }

.community-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}

.community-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 30px 30px;
  border: 0.5px solid rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
}

.community-icon {
  font-size: 28px;
  margin-bottom: 14px;
}

.community-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-link);
  letter-spacing: 0.12em;
  margin-bottom: 8px;
}

.community-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.012em;
  margin: 0 0 10px;
}

.community-card > p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 0 18px;
}

.community-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.community-card li {
  font-size: 14px;
  color: var(--text-dark);
  padding-left: 18px;
  position: relative;
}

.community-card li::before {
  content: "";
  position: absolute;
  left: 0; top: 7px;
  width: 10px; height: 6px;
  border-left: 1.5px solid var(--blue-link);
  border-bottom: 1.5px solid var(--blue-link);
  transform: rotate(-45deg);
}

@media (max-width: 860px) { .community-grid { grid-template-columns: 1fr; } }

/* ---------------- FAQ ---------------- */
.faq { background: #fff; }

.faq .headline { text-align: center; }

.faq-list { border-top: 0.5px solid rgba(0,0,0,0.08); }

.faq-list details {
  border-bottom: 0.5px solid rgba(0,0,0,0.08);
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 4px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: color 0.25s;
}

.faq-list summary::-webkit-details-marker { display: none; }

.faq-list summary > span {
  font-size: 18px;
  font-weight: 300;
  color: var(--text-gray);
  transition: transform 0.3s;
}

.faq-list details[open] summary > span { transform: rotate(45deg); }

.faq-list p {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ---------------- Final CTA ---------------- */
.final-cta { text-align: center; }
.final-cta .headline, .final-cta .sub { margin-left: auto; margin-right: auto; }

.cta-row { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.lead-form {
  max-width: 620px;
  margin: 30px auto 0;
  padding: 20px;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
}

.lead-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.lead-form label { display: flex; flex-direction: column; gap: 7px; }
.lead-form label span { color: rgba(255,255,255,0.72); font-size: 12px; }
.lead-form input,
.lead-form select {
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 9px;
  background: rgba(0,0,0,0.25);
  color: #fff;
  font: inherit;
  font-size: 14px;
}
.lead-form input::placeholder { color: rgba(255,255,255,0.38); }
.lead-form input:focus, .lead-form select:focus { outline: 2px solid rgba(41,151,255,0.75); outline-offset: 1px; }
.lead-form select option { color: #1d1d1f; background: #fff; }
.lead-form-note, .lead-form-status { margin: 10px 0 0; color: rgba(255,255,255,0.48); font-size: 12px; line-height: 1.5; }
.lead-form-status:empty { display: none; }

@media (max-width: 640px) {
  .lead-form { padding: 16px; }
  .lead-form-grid { grid-template-columns: 1fr; }
}

/* ---------------- 页脚 ---------------- */
.footer {
  background: #0a0a0c;
  color: rgba(255,255,255,0.65);
  padding: 60px 0 30px;
  font-size: 13px;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 30px;
  border-bottom: 0.5px solid rgba(255,255,255,0.08);
}

.footer-brand .footer-logo {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.footer-brand p { line-height: 1.7; font-size: 13px; color: rgba(255,255,255,0.55); }

.footer h4 { font-size: 12.5px; font-weight: 700; color: rgba(255,255,255,0.55); margin: 0 0 14px; letter-spacing: 0.08em; text-transform: uppercase; }

.footer div a {
  display: block;
  color: rgba(255,255,255,0.78);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer div a:hover { color: #fff; }

/* 居中口号 */
.footer-manifesto {
  margin: 50px auto 30px;
  text-align: center;
}

.footer-manifesto p {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: rgba(255,255,255,0.85);
  font-weight: 400;
  line-height: 1.6;
}

.footer-manifesto em {
  font-style: normal;
  background: linear-gradient(90deg, #2997ff 0%, #7d53ff 60%, #ff7a3d 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  letter-spacing: -0.005em;
  padding: 0 2px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  border-top: 0.5px solid rgba(255,255,255,0.08);
  font-size: 12.5px;
  color: rgba(255,255,255,0.4);
}

.footer .footer-bottom a { color: rgba(255,255,255,0.4); text-decoration: none; transition: color 0.2s; display: inline; }
.footer .footer-bottom a:hover { color: #fff; }

.footer .footer-bottom [data-seapify-cn-icp],
.footer .footer-bottom [data-seapify-cn-icp]:hover {
  padding: 0;
  color: inherit;
  font-size: 0.88em;
  font-weight: inherit;
  transition: none;
}

.footer .footer-bottom [data-seapify-cn-icp][hidden] {
  display: none;
}

@media (max-width: 720px) {
  .footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding-bottom: 24px; }
  .footer-brand { grid-column: span 3; text-align: center; margin-bottom: 8px; }
  .footer-brand p { max-width: 340px; margin: 0 auto; }
  .footer h4 { text-align: center; margin-bottom: 8px; }
  .footer div a { text-align: center; padding: 3px 0; }
  .footer-manifesto p { font-size: 16px; }
  .footer-bottom { justify-content: center; gap: 6px 10px; font-size: 11px; }
  .footer-bottom span { white-space: nowrap !important; }
}

/* ---------------- 手机底部胶囊菜单 ---------------- */
.tabbar {
  display: none;
}

@media (max-width: 860px) {
  body { padding-bottom: 76px; }

  .tabbar {
    display: block;
    position: fixed;
    left: 12px; right: 12px;
    bottom: 12px;
    z-index: 60;
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 980px;
    border: 0.5px solid rgba(255,255,255,0.55);
    box-shadow: 0 0 0 0.5px rgba(0,0,0,0.04), 0 8px 32px rgba(0,0,0,0.12), inset 0 0 0 0.5px rgba(255,255,255,0.6);
    overflow: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease, transform 0.6s ease;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(16px);
  }

  .tabbar.scrolled {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .tabbar-scroll {
    display: flex;
    gap: 6px;
    padding: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tabbar-scroll::-webkit-scrollbar { display: none; }

  .tabbar-scroll a {
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 13px;
    color: rgba(0,0,0,0.72);
    border-radius: 980px;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
  }

  .tabbar-scroll a.active {
    background: rgba(255,255,255,0.95);
    color: #000;
    font-weight: 600;
    box-shadow: 0 1px 4px rgba(0,0,0,0.12);
  }
}

/* ---------------- 滚动揭示 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ============================================================
   2026 官网体验升级：首屏翻牌、产品真机演示、统一弹窗
   ============================================================ */

/* 首屏固定占满一屏：内容整体居中，底部留给滚动箭头 */
@media (min-width: 861px) {
  .hero {
    height: 100vh;
    height: 100svh;
    min-height: 0;
    padding-top: calc(var(--nav-h) + 24px);
    padding-bottom: 84px;
  }
}

.hero-eyebrow { margin-bottom: 18px; }
.hero-flip-title {
  --flip-line-height: 1.16em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .14em;
  margin-bottom: 24px;
}
.hero-flip-prefix {
  flex: 0 0 auto;
  color: #fff;
  line-height: var(--flip-line-height);
  text-align: left;
  white-space: nowrap;
}
.hero-flip-separator {
  flex: 0 0 auto;
  color: rgba(255,255,255,.34);
  font-weight: 350;
  line-height: var(--flip-line-height);
  text-shadow: none;
}
.hero-flip-viewport {
  display: block;
  flex: 0 0 9em;
  width: 9em;
  min-width: 9em;
  height: var(--flip-line-height);
  overflow: hidden;
  text-align: left;
}
.hero-flip-track {
  --flip-offset: 0;
  display: flex;
  flex-direction: column;
  transform: translateY(var(--flip-offset));
  transition: transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.hero-flip-item {
  display: block;
  flex: 0 0 var(--flip-line-height);
  height: var(--flip-line-height);
  line-height: var(--flip-line-height);
  white-space: nowrap;
}
.hero-sub { margin-bottom: 30px; }
.hero-actions { margin-bottom: 24px; }
.hero-note { margin-bottom: 34px; }
.hero-cards { gap: 16px; margin-bottom: 28px; }
.hero-cards article {
  position: relative;
  min-height: 142px;
  padding: 20px 18px;
}
.hero-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.hero-card-top .hero-card-icon {
  margin-bottom: 0;
}
.product-card-open {
  position: static;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255,255,255,0.42);
  cursor: pointer;
  transition: color .25s, transform .25s;
}
.product-card-open svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.hero-cards h4 {
  width: 100%;
  white-space: nowrap;
  font-size: clamp(11px, 1.02vw, 14px);
  letter-spacing: -.025em;
}
.hero-cards p { width: 100%; }
.hero-cards article:hover .product-card-open,
.product-card-open:hover,
.product-card-open:focus-visible {
  color: #2997ff;
  transform: translateX(2px);
  outline: none;
}

@media (max-width: 860px) {
  .hero {
    min-height: 100vh;
    min-height: 100svh;
    justify-content: center;
    padding-top: calc(var(--nav-h) + 20px);
    padding-bottom: 78px;
  }
  .hero-flip-title { margin-bottom: 20px; }
  .hero-sub { margin-bottom: 24px; }
  .hero-note { margin-bottom: 28px; }
  .hero-cards { gap: 10px; margin-bottom: 24px; }
  .hero-cards article { min-height: 132px; padding: 17px 14px 16px; }
  .hero-card-top { margin-bottom: 10px; }
  .product-card-open { width: 25px; height: 25px; }
}

@media (max-width: 540px) {
  .hero-flip-title { font-size: clamp(19px, 5.55vw, 24px); }
  .hero-flip-item { letter-spacing: -0.035em; }
}

/* 矮屏手机：压缩间距与卡片高度，保证首屏仍是一屏 */
@media (max-width: 860px) and (max-height: 900px) {
  .hero { padding-top: calc(var(--nav-h) + 12px); padding-bottom: 68px; }
  .hero-eyebrow { margin-bottom: 10px; font-size: 13px; }
  .hero-flip-title { margin-bottom: 12px; }
  .hero-sub { margin-bottom: 14px; font-size: 12.5px; line-height: 1.45; }
  .hero-actions { margin-bottom: 12px; }
  .hero-note { margin-bottom: 14px; font-size: 11.5px; }
  .hero-cards { gap: 8px; margin-bottom: 14px; }
  .hero-cards article { min-height: 0; padding: 11px 11px 12px; }
  .hero-card-top { margin-bottom: 6px; }
  .hero-card-icon svg { width: 22px; height: 22px; }
  .hero-cards h4 { font-size: 12.5px; margin-bottom: 4px; }
  .hero-cards p { font-size: 10.5px; line-height: 1.4; }
  .hero-checks { gap: 7px 12px; }
  .hero-checks span { font-size: 10px; }
}

@media (max-width: 860px) and (max-height: 700px) {
  .hero { padding-top: calc(var(--nav-h) + 8px); padding-bottom: 60px; }
  .hero-eyebrow { margin-bottom: 8px; font-size: 12px; }
  .hero-flip-title { margin-bottom: 10px; }
  .hero-sub { display: none; }
  .hero-actions { margin-bottom: 10px; }
  .hero-note { margin-bottom: 10px; }
  .hero-cards article { padding: 9px 10px 10px; }
  .hero-cards p { display: none; }
  .hero-checks span { font-size: 9.5px; }
}

/* 真实页面 + Mac / iPad / iPhone 设备幻灯片 */
.product-showcase {
  max-width: 1160px;
  margin: 46px auto 0;
  text-align: left;
}
.showcase-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 980px;
  margin: 0 auto 4px;
  padding: 6px 8px 6px 14px;
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
}
.showcase-meta h3 { flex: 0 1 auto; min-width: 0; margin: 0; color: #fff; font-size: clamp(17px, 1.7vw, 21px); letter-spacing: -.02em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.showcase-arrows { display: flex; gap: 6px; flex-shrink: 0; margin-left: auto; }
.showcase-demo-link {
  display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0;
  height: 30px; padding: 0 13px; border-radius: 999px;
  border: 1px solid rgba(41,151,255,.42); background: rgba(41,151,255,.12);
  color: #cbe4ff; text-decoration: none; white-space: nowrap;
  font-family: inherit; font-size: 12.5px; font-weight: 600; line-height: 1;
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.showcase-demo-link svg { width: 13px; height: 13px; flex: 0 0 13px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.showcase-demo-link:hover, .showcase-demo-link:focus-visible { color: #fff; background: rgba(41,151,255,.24); border-color: rgba(41,151,255,.8); transform: translateY(-1px); outline: none; }
.showcase-demo-link[hidden] { display: none; }
.showcase-arrows button {
  width: 34px; height: 34px; padding: 0; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: inherit; font-size: 20px; font-weight: 300; line-height: 1; cursor: pointer;
  transition: background .2s, border-color .2s, transform .2s;
}
.showcase-arrows button:hover, .showcase-arrows button:focus-visible { background: rgba(41,151,255,.2); border-color: rgba(41,151,255,.7); transform: translateY(-1px); outline: none; }
.showcase-arrows .showcase-fullscreen { font-size: 0; }
.showcase-arrows button > svg { display: block; flex: 0 0 15px; width: 15px; height: 15px; max-width: none; aspect-ratio: 1; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transform: none; }
.showcase-fullscreen .fullscreen-collapse { display: none; }
.showcase-fullscreen[aria-pressed="true"] .fullscreen-expand { display: none; }
.showcase-fullscreen[aria-pressed="true"] .fullscreen-collapse { display: block; }
.device-stage {
  position: relative;
  min-height: 670px;
  margin: 24px auto 8px;
  perspective: 1400px;
}
.device { position: absolute; }
.device-screen { overflow: hidden; background: #070708; }
.device-screen img { display: block; width: 100%; height: 100%; object-fit: cover; background: #080808; }
.device-mac {
  z-index: 1; top: 18px; left: 50%; width: 82%; max-width: 950px;
  transform: translateX(-50%) rotateX(.7deg);
  filter: drop-shadow(0 36px 60px rgba(0,0,0,.42));
}
.device-mac-top {
  height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 14px;
  background: #202024; border: 1px solid rgba(255,255,255,.14); border-bottom: 0;
  border-radius: 16px 16px 0 0;
}
.device-mac-top span { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.device-mac-top span:nth-child(2) { background: #febc2e; }
.device-mac-top span:nth-child(3) { background: #28c840; }
.device-mac-top b { margin: 0 auto; padding-right: 48px; color: rgba(255,255,255,.45); font-size: 10px; font-weight: 500; }
.device-mac .device-screen { aspect-ratio: 16 / 10; border: 1px solid rgba(255,255,255,.14); border-top: 0; }
.device-mac-base {
  width: 108%; height: 17px; margin-left: -4%;
  background: linear-gradient(180deg, #d8d8dc 0%, #8d8d92 100%);
  border-radius: 0 0 48% 48%; box-shadow: 0 8px 16px rgba(0,0,0,.35);
}
.device-ipad {
  z-index: 2; left: -4%; bottom: 18px; width: 19%;
  padding: 9px; background: #161619; border: 1px solid rgba(255,255,255,.24);
  border-radius: 24px; box-shadow: 0 25px 55px rgba(0,0,0,.52);
  transform: rotateY(7deg) rotateZ(-1.2deg);
}
.device-ipad .device-screen { aspect-ratio: 834 / 1112; border-radius: 16px; }
.device-camera { position: absolute; z-index: 2; top: 4px; left: 50%; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: #3b3b40; }
.device-iphone {
  z-index: 3; right: 2%; bottom: 0; width: 15%;
  padding: 6px; background: #151518; border: 1px solid rgba(255,255,255,.28);
  border-radius: 28px; box-shadow: 0 24px 50px rgba(0,0,0,.58);
  transform: rotateY(-7deg) rotateZ(1.4deg);
}
.device-iphone .device-screen { aspect-ratio: 390 / 844; border-radius: 22px; }
.device-island { position: absolute; z-index: 2; top: 10px; left: 50%; width: 34%; height: 10px; transform: translateX(-50%); border-radius: 99px; background: #030304; }
.showcase-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.showcase-tabs button {
  min-width: 74px; padding: 6px 11px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px;
  background: rgba(255,255,255,.04); color: rgba(255,255,255,.58);
  font-family: inherit; font-size: 11px; font-weight: 600; line-height: 1; cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.showcase-tabs button:hover, .showcase-tabs button:focus-visible { color: #fff; border-color: rgba(255,255,255,.26); outline: none; }
.showcase-tabs button.active { color: #fff; background: #1677d2; border-color: #2997ff; transform: translateY(-1px); }

.product-showcase:fullscreen,
.product-showcase.is-showcase-fullscreen {
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0;
  padding: 30px 4vw 22px;
  background: #030304;
  overflow: auto;
}
.product-showcase.is-showcase-fullscreen { position: fixed; inset: 0; z-index: 320; }
.product-showcase:fullscreen .showcase-meta,
.product-showcase:fullscreen .device-stage,
.product-showcase:fullscreen .showcase-tabs,
.product-showcase.is-showcase-fullscreen .showcase-meta,
.product-showcase.is-showcase-fullscreen .device-stage,
.product-showcase.is-showcase-fullscreen .showcase-tabs { width: min(100%, 1440px); max-width: 1440px; margin-left: auto; margin-right: auto; }
.product-showcase:fullscreen .device-stage,
.product-showcase.is-showcase-fullscreen .device-stage { min-height: calc(100vh - 176px); margin-top: 14px; }
.product-showcase:fullscreen .device-mac,
.product-showcase.is-showcase-fullscreen .device-mac { width: min(76%, 1120px); }
.product-showcase:fullscreen .device-ipad,
.product-showcase.is-showcase-fullscreen .device-ipad { left: .5%; width: min(15%, 210px); }
body.showcase-overlay-open { overflow: hidden; }

@media (max-width: 900px) {
  .device-stage { min-height: 520px; }
  .device-mac { width: 88%; }
  .device-ipad { width: 21%; left: -2%; }
  .device-iphone { width: 16%; right: 1%; }
}
@media (max-width: 640px) {
  .product-showcase { margin-top: 34px; }
  .showcase-meta { gap: 8px; padding: 5px 6px 5px 11px; border-radius: 12px; }
  .showcase-meta h3 { font-size: 16px; }
  .showcase-demo-link { height: 28px; padding: 0 10px; font-size: 11.5px; gap: 4px; }
  .showcase-demo-link svg { width: 12px; height: 12px; flex-basis: 12px; }
  .showcase-arrows button { width: 32px; height: 32px; }
  .showcase-arrows button > svg { flex-basis: 14px; width: 14px; height: 14px; }
  .device-stage { min-height: 330px; margin-top: 18px; }
  .device-mac { top: 10px; width: 98%; }
  .device-mac-top { height: 24px; border-radius: 10px 10px 0 0; padding: 0 9px; gap: 5px; }
  .device-mac-top span { width: 6px; height: 6px; }
  .device-mac-top b { padding-right: 28px; font-size: 8px; }
  .device-mac-base { height: 9px; }
  .device-ipad { width: 23%; left: -3%; bottom: 4px; padding: 5px; border-radius: 14px; }
  .device-ipad .device-screen { border-radius: 9px; }
  .device-iphone { width: 18%; right: 0; bottom: 0; padding: 4px; border-radius: 16px; }
  .device-iphone .device-screen { border-radius: 12px; }
  .device-island { top: 6px; height: 5px; }
  .showcase-tabs { gap: 5px; margin-top: 12px; }
  .showcase-tabs button { min-width: 64px; flex: 0 1 auto; padding: 6px 9px; font-size: 10.5px; }
  .product-showcase:fullscreen,
  .product-showcase.is-showcase-fullscreen { padding: 18px 12px 16px; }
  .product-showcase:fullscreen .device-stage,
  .product-showcase.is-showcase-fullscreen .device-stage { min-height: calc(100vh - 164px); }
}

/* 页脚社交入口 */
.footer-socials { display: flex; align-items: center; gap: 9px; margin-top: 18px; }
.footer-socials button {
  width: 36px; height: 36px; padding: 8px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%;
  background: rgba(255,255,255,.04); color: rgba(255,255,255,.7); cursor: pointer;
  transition: color .2s, background .2s, border-color .2s, transform .2s;
}
.footer-socials svg { width: 100%; height: 100%; fill: currentColor; }
.footer-socials button:hover, .footer-socials button:focus-visible { color: #fff; background: rgba(41,151,255,.16); border-color: rgba(41,151,255,.55); transform: translateY(-2px); outline: none; }
@media (max-width: 720px) { .footer-socials { justify-content: center; } }

/* 产品与联系弹窗 */
body.modal-open { overflow: hidden; }
.site-modal {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease;
}
.site-modal[hidden] { display: none; }
.site-modal.is-open { opacity: 1; visibility: visible; }
.site-modal-backdrop {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
  background: rgba(0,0,0,.72); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); cursor: default;
}
.site-modal-panel {
  position: relative; z-index: 1; width: min(100%, 600px); max-height: min(760px, calc(100svh - 40px)); overflow: auto;
  padding: 38px; color: #fff; background: linear-gradient(145deg, #18181c 0%, #0d0d10 100%);
  border: 1px solid rgba(255,255,255,.13); border-radius: 24px; box-shadow: 0 38px 100px rgba(0,0,0,.58);
  transform: translateY(16px) scale(.98); transition: transform .3s cubic-bezier(.22,1,.36,1);
}
.site-modal.is-open .site-modal-panel { transform: translateY(0) scale(1); }
.site-modal-close {
  position: absolute; top: 16px; right: 16px; width: 34px; height: 34px; border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%; background: rgba(255,255,255,.06); color: #fff; cursor: pointer;
  font-family: inherit; font-size: 24px; font-weight: 300; line-height: 1;
}
.site-modal-close:hover, .site-modal-close:focus-visible { background: rgba(255,255,255,.14); outline: none; }
.site-modal-eyebrow { display: block; margin-bottom: 12px; color: #2997ff; font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.site-modal-panel h2 { margin: 0 42px 14px 0; font-size: clamp(28px, 5vw, 40px); letter-spacing: -.03em; }
.site-modal-panel > p { margin: 0; color: rgba(255,255,255,.62); font-size: 15px; line-height: 1.7; }
.product-modal-url {
  display: inline-flex;
  margin-top: 18px;
  color: #66b7ff;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}
.product-modal-url:hover, .product-modal-url:focus-visible { color: #fff; outline: none; text-decoration: underline; text-underline-offset: 4px; }
.product-modal-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.product-modal-actions .btn { min-width: 138px; justify-content: center; }

/* 开通工作台弹窗：样式对齐 SamClawV3 首页 React 的 iframe 窗口弹窗
   窗口高 min(94vh, 980px) / 宽 min(82rem, 92vw) / p-0
   顶部 36px 标题栏：左侧标题，右侧 macOS 红绿灯控制
   移动端 fullscreen */
.purchase-modal-panel {
  /* 默认宽度为可视区域的一半，高度仍为窗口式比例 */
  width: 50vw;
  height: min(94vh, 980px);
  height: min(94dvh, 980px);
  max-width: none;
  max-height: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* 覆盖基础弹窗的边框与阴影，避免边缘露出白线 */
  border: 0;
  border-radius: 14px;
  background: #0d0d10;
  box-shadow: 0 30px 80px rgba(0,0,0,.55);
}
.purchase-modal-titlebar {
  flex: 0 0 auto;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.purchase-modal-panel .purchase-modal-titlebar h2 {
  min-width: 0;
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.purchase-modal-lights { display: flex; align-items: center; gap: 6px; flex: 0 0 auto; }
.purchase-light {
  width: 18px;
  height: 18px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition: filter .15s ease;
}
.purchase-light svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transition: opacity .15s ease;
}
.purchase-modal-lights:hover .purchase-light svg { opacity: 1; }
.purchase-light:hover { filter: brightness(1.08); }
.purchase-light:focus-visible { outline: 2px solid #2997ff; outline-offset: 2px; }
.purchase-light-close { background: #ff5f57; color: rgba(60,0,0,.8); }
.purchase-light-settings { background: #febc2e; color: rgba(74,44,0,.8); }
.purchase-light-max { background: #28c840; color: rgba(0,56,18,.8); }
.purchase-modal-body { flex: 1 1 auto; min-height: 0; overflow: hidden; background: #0d0d10; }
.purchase-modal-body iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  /* 与窗口底色一致，避免 iframe 边缘出现白线 */
  background: #0d0d10;
  vertical-align: bottom;
}
/* 最大化时铺满视口 */
.purchase-modal-panel.is-maximized {
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  max-height: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
/* 铺满时去掉容器内边距，保证上下左右间距都是 0 */
.purchase-modal.is-maximized { padding: 0; }

/* 开通弹窗不压暗背景，遮罩保持透明 */
.purchase-modal .site-modal-backdrop {
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

@media (max-width: 720px) {
  /* 移动端铺满视口 */
  .purchase-modal { padding: 0; }
  .purchase-modal-panel {
    width: 100%;
    height: 100%;
    height: 100dvh;
    border: 0;
    border-radius: 0;
  }
}
.contact-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 26px; }
.contact-option {
  width: 100%; min-height: 84px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 12px;
  padding: 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; background: rgba(255,255,255,.045);
  color: #fff; text-align: left; text-decoration: none; cursor: pointer; transition: background .2s, border-color .2s, transform .2s;
}
.contact-option:hover, .contact-option:focus-visible, .contact-option.active { background: rgba(41,151,255,.13); border-color: rgba(41,151,255,.5); transform: translateY(-1px); outline: none; }
.contact-option-icon { width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; color: #fff; font-size: 11px; font-weight: 800; letter-spacing: -.03em; }
.contact-wechat { background: #07c160; }
.contact-qq { background: #12b7f5; }
.contact-telegram { background: #229ed9; }
.contact-email { background: #6e5cff; font-size: 20px; }
.contact-option b, .contact-option small { display: block; }
.contact-option b { margin-bottom: 4px; font-size: 14px; }
.contact-option small { color: rgba(255,255,255,.45); font-size: 11px; line-height: 1.35; }
.contact-option-arrow { color: rgba(255,255,255,.42); font-size: 18px; }
.contact-detail { margin-top: 14px; padding: 16px; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; background: rgba(255,255,255,.04); }
.wechat-qr { display: grid; grid-template-columns: 132px 1fr; gap: 18px; align-items: center; }
.wechat-qr[hidden], .qq-placeholder[hidden] { display: none; }
.wechat-qr img { width: 132px; height: 132px; border-radius: 14px; background: #fff; }
.wechat-qr b, .wechat-qr small { display: block; }
.wechat-qr b { margin-bottom: 8px; font-size: 15px; }
.wechat-qr small, .qq-placeholder { color: rgba(255,255,255,.5); font-size: 12px; line-height: 1.6; }
.qq-placeholder { margin: 0; }

@media (max-width: 600px) {
  .site-modal { padding: 12px; }
  .site-modal-panel { padding: 30px 20px 22px; border-radius: 19px; }
  .contact-options { grid-template-columns: 1fr; }
  .contact-option { min-height: 72px; }
  .wechat-qr { grid-template-columns: 108px 1fr; }
  .wechat-qr img { width: 108px; height: 108px; }

  /* 开通弹窗在手机端依然铺满，不受上面的通用内边距影响 */
  .purchase-modal { padding: 0; }
  .purchase-modal .purchase-modal-panel {
    width: 100%;
    height: 100dvh;
    max-width: none;
    max-height: none;
    padding: 0;
    border: 0;
    border-radius: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-flip-track, .device, .device-screen img, .site-modal, .site-modal-panel { transition: none !important; animation: none !important; }
  .hero-scroll-icon svg { animation: none !important; opacity: .8; }
}
