/* =====================================================================
   NoteBurner — Home page (Mobile-First)
   Tech: Bootstrap 5 + jQuery (responsive)
   Breakpoints: 576 / 768 / 992 / 1200 / 1440 / 1600
===================================================================== */

:root {
  --nb-t-1: #000000e5;
  --nb-t-2: #000000b2;
  --nb-t-3: #00000066;
  --nb-blue: #26a7fe;
  --nb-green: #02cb64;
  --nb-gradient: linear-gradient(180deg, #26a7fe 0%, #02cb64 100%);
  --nb-gradient-102: linear-gradient(102.3deg, #26a7fe 0%, #02cb64 100%);
  --nb-card-border: #26a7fe29;
  --nb-card-bg: #26a7fe14;
  --nb-gutter: 24px;
}

/* =====================================================================
   MOBILE BASE ( < 576px )
===================================================================== */

/* ---------- Shared ---------- */
.home-page {
  overflow: hidden;
  background: #fff;
}

.home-container {
  max-width: 100%;
}

.section-title {
  margin: 0;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  line-height: 38px;
  letter-spacing: 0;
  color: var(--nb-t-1);
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

.section-sub {
  margin: 0;
  text-align: center;
  font-size: 18px;
  line-height: 26px;
  letter-spacing: 0;
  color: var(--nb-t-2);
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

.gradient-text {
  background: var(--nb-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  column-gap: 8px;
  border-radius: 999px;
  height: 52px;
  padding: 14px 24px;
  font-size: 18px;
  font-weight: 600;
  line-height: 24px;
  color: #fff;
  white-space: nowrap;
}

.btn-pill img {
  width: 18px;
  height: 18px;
}

/* 非 hero 区域的按钮统一 240px 宽; min-width: max-content 保证
   文字/图标放不下时按内容撑开, 不会被截断 */
.btn-wide {
  width: 240px;
  min-width: max-content;
}

.btn-lg {
  height: 52px;
  padding: 14px 24px;
  font-size: 18px;
  width: 240px;
  min-width: max-content;
}

/* =====================================================================
   HERO
===================================================================== */
.home-hero {
  position: relative;
  background: #e2eaf3;
  overflow: hidden;
  padding: 60px 20px 60px;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(150px);
  pointer-events: none;
}

.hero-glow-blue {
  right: -267px;
  bottom: -573px;
  opacity: 0.3;
  background: #02cb64;
  width: 910px;
  height: 910px;
  filter: blur(250px);
}

.hero-glow-green {
  top: -499px;
  left: 553px;
  opacity: 0.4;
  background: #26a7fe;
  width: 910px;
  height: 910px;
  filter: blur(250px);
}

.hero-glow-white {
  right: 569px;
  bottom: 13px;
  opacity: 0.3;
  background: #fff;
  width: 476px;
  height: 476px;
  filter: blur(250px);
}

.hero-glow-white-big {
  right: -198px;
  bottom: 0;
  opacity: 0.3;
  background: #fff;
  width: 998px;
  height: 998px;
  filter: blur(150px);
}

.hero-grid {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

/* Copy */
.hero-copy {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  row-gap: 24px;
  max-width: 100%;
}

.hero-title {
  margin: 0;
  align-self: stretch;
  font-size: 32px;
  font-weight: 800;
  line-height: 42px;
  letter-spacing: 0;
  color: #132a3f;
}

.hero-subtitle {
  margin: 0;
  align-self: stretch;
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: 0;
  color: var(--nb-t-2);
  max-width: 100%;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  width: 100%;
}

.hero-actions .btn-pill {
  width: 100%;
}

.hero-available {
  display: flex;
  align-items: center;
  gap: 8px;
}

.available-label {
  font-size: 14px;
  line-height: 20px;
  color: var(--nb-t-3);
}

.os-icon {
  width: 18px;
  height: 18px;
}

/* Hero "Available for:" Win/macOS buttons — same behavior as the .os-tabs.
   Selected platform keeps its original color; the other is dimmed via filter. */
.hero-available .hero-os-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  line-height: 0;
}

.hero-available .hero-os-btn .os-icon {
  transition: filter 0.2s ease;
}

.hero-available .hero-os-btn:not(.active) .os-icon {
  filter: grayscale(1) opacity(0.45);
}

/* Mockup */
.hero-mockup {
  position: relative;
  flex-shrink: 0;
  width: 100%;
  height: auto;
}

.hero-mockup img {
  max-width: 100%;
  height: auto;
  /* <992px 时容器(100%)比图片固有宽 620px 宽, 图片按 max-width 渲染后
     会靠左贴着, 这里用自动外边距让它在容器内水平居中 */
  margin: 0 auto;
}

.mockup-window {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) scale(0.78);
  width: 300px;
  height: 240px;
  border-radius: 24px;
  box-shadow: 0 0 30px rgba(38, 167, 254, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 100%);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transform-origin: center;
}

.mockup-window-side {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 100%;
  border-radius: 24px 0 0 24px;
  background: linear-gradient(180deg, rgba(38, 167, 254, 0.08) 0%, rgba(38, 167, 254, 0) 100%);
}

.mockup-window-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 10px 30px;
  position: relative;
}

.mockup-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  opacity: 0.3;
  overflow: hidden;
}

.mockup-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mockup-bar {
  width: 120px;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(38, 167, 254, 0.08) 0%, rgba(38, 167, 254, 0) 100%);
}

.app-grid {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px 16px 16px 30px;
}

.app-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 8px;
  background: rgba(38, 167, 254, 0.08);
  padding: 6px 4px;
  width: 88px;
  font-size: 10px;
  font-weight: 600;
  color: var(--nb-t-1);
}

.app-chip img {
  width: 14px;
  height: 14px;
}

.app-chip:nth-child(n + 4) {
  opacity: 0.6;
}

.app-chip:nth-child(n + 7) {
  opacity: 0.5;
}

.app-chip:nth-child(n + 10) {
  opacity: 0.4;
}

.app-chip:nth-child(n + 13) {
  opacity: 0.3;
}

/* ID3 badge */
.mockup-badge {
  position: absolute;
  top: 70px;
  right: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 24px;
  box-shadow: 0 0 30px rgba(38, 167, 254, 0.08);
  background: #fff;
  padding: 10px 12px;
  width: 120px;
  height: 48px;
  transform: rotate(4deg);
  z-index: 2;
}

.mockup-badge img {
  width: 20px;
  height: 20px;
}

.mockup-badge-id3 .gradient-text {
  font-family: "Nunito Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 14px;
  font-weight: 900;
  font-style: italic;
  transform: rotate(-1deg);
  text-shadow: 5px 5px 24px rgba(0, 0, 0, 0.05);
  white-space: nowrap;
}

.badge-polygon {
  position: absolute;
  bottom: -10px;
  left: 50%;
  width: 20px;
  height: 20px;
  transform: translateX(-50%);
}

/* Big logo */
.mockup-logo {
  position: absolute;
  top: 240px;
  left: 55%;
  width: 80px;
  height: 80px;
  z-index: 1;
}

/* Download cards */
.mockup-cards {
  position: absolute;
  top: 280px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.mockup-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(38, 167, 254, 0.08);
  background: #fff;
}

.mockup-card-sm {
  position: absolute;
  top: 0;
  right: 20px;
  padding: 10px 16px;
  width: 140px;
  height: 56px;
  background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0) 100%);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
}

.mockup-card-sm img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.card-skeleton {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  width: 40px;
  height: 6px;
  border-radius: 999px;
  background: rgba(38, 167, 254, 0.1);
}

.skeleton-bar.short {
  width: 34px;
  height: 5px;
  border-radius: 862px;
  background: rgba(38, 167, 254, 0.2);
}

.skeleton-bar.grad {
  width: 56px;
  height: 6px;
  border-radius: 1275px;
  background: linear-gradient(90deg, #26a7fe 0%, #02cb64 100%);
}

.mockup-card-lg {
  position: relative;
  top: 20px;
  padding: 10px 24px 10px 10px;
  width: 170px;
  height: 56px;
}

.mockup-card-lg img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

/* Music note square */
.mockup-note {
  position: absolute;
  top: 230px;
  left: 20px;
  width: 90px;
  height: 90px;
  transform: rotate(-4deg);
}

.note-square {
  position: absolute;
  top: -2px;
  left: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  border-radius: 24px;
  box-shadow: 0 0 30px rgba(38, 167, 254, 0.08);
  background: #fff;
  overflow: hidden;
}

.note-square img {
  width: 50px;
  height: 50px;
  transform: rotate(45deg);
}

.note-polygon {
  position: absolute;
  top: 80px;
  right: 80px;
  width: 16px;
  height: 16px;
}

/* =====================================================================
   TRUSTED BY
===================================================================== */
.trusted-by {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  background: #10324f;
  padding: 20px;
}

.trusted-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}

.trusted-label {
  margin: 0;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.trusted-logos {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
}

.press-logo {
  display: flex;
  align-items: center;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.2);
  padding: 10px;
}

.press-logo img {
  width: 80px;
  height: 12px;
  object-fit: contain;
}

.press-logo:nth-child(2) img {
  width: 55px;
  height: 12px;
}

.press-logo:nth-child(3) img {
  width: 88px;
  height: 14px;
}

.press-logo:nth-child(4),
.press-logo:nth-child(5) {
  padding: 0;
  background: transparent;
}

.press-logo:nth-child(4) img,
.press-logo:nth-child(5) img {
  width: 100px;
  height: 32px;
}

.trusted-right {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
}

.trustpilot-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.trustpilot-line b {
  font-weight: 700;
  text-decoration: underline;
}

.trustpilot-line img {
  width: 81px;
  height: 20px;
}

.avatar-stack {
  display: flex;
  align-items: center;
  margin-left: 0;
}

.avatar {
  width: 32px;
  height: 32px;
  border: 2px solid #fff;
  border-radius: 50%;
}

.avatar+.avatar {
  margin-left: -8px;
}

/* =====================================================================
   HOT PRODUCTS
===================================================================== */
.products {
  background: #fff;
  padding: 80px 20px;
}

.products-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.products-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  gap: 12px;
}

.os-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.os-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  font-size: 18px;
  font-weight: 700;
  color: var(--nb-t-2);
  padding: 0 4px;
}

.os-tab img {
  width: 24px;
  height: 24px;
}

/* os-tab 双图标：选中显示第 1 个（高亮版），未选中显示第 2 个（深色版） */
.os-tab img:nth-of-type(1) { display: none; }
.os-tab img:nth-of-type(2) { display: inline-block; }
.os-tab.active img:nth-of-type(1) { display: inline-block; }
.os-tab.active img:nth-of-type(2) { display: none; }

.os-tab.active {
  border-bottom-color: var(--nb-blue);
  color: var(--nb-blue);
}

/* Featured cards */
.featured-row {
  display: flex;
  flex-direction: column;
  align-self: stretch;
  gap: 20px;
}

.featured-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1 1 auto;
  border: 1px solid var(--nb-card-border);
  border-radius: 20px;
  background: var(--nb-card-bg);
  height: 423px;
  overflow: hidden;
}

.featured-card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  padding: 24px;
  width: 300px;
}

.featured-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
}

.featured-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.featured-title {
  margin: 16px 0 8px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  color: #000000;
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

.featured-desc {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  line-height: 24px;
  color: var(--nb-t-2);
}

.card-actions {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 12px;
  margin-top: 16px;
  width: 100%;
  flex-wrap: wrap;
  justify-content: center;
}

/* 卡片正文本身 align-items: flex-start, 按钮也应贴着左边,
   覆盖 .card-actions 基础规则里的 justify-content: center */
.featured-card .card-actions {
  width: 100%;
  justify-content: flex-start;
}

.btn-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 24px;
  height: 48px;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  color: #fff;
  white-space: nowrap;
  width: 240px;
  min-width: max-content;
}

.btn-sm img {
  width: 18px;
  height: 18px;
}

/* OS switch: show only the active platform's buttons (default = Windows).
   home.js toggles .is-mac on .home-page when an os-tab / hero-os-btn is clicked. */
.products .btn-sm-mac {
  display: none;
}

.home-page.is-mac .btn-sm-win {
  display: none;
}

.home-page.is-mac .btn-sm-mac {
  display: inline-flex;
}

/* Hero "Try It Free" buttons follow the same OS switch. */
.hero-actions .btn-pill-mac {
  display: none;
}

.home-page.is-mac .hero-actions .btn-pill-win {
  display: none;
}

.home-page.is-mac .hero-actions .btn-pill-mac {
  display: inline-flex;
}

/* Featured media (product illustration) */
.featured-media {
  position: relative;
  flex-shrink: 0;
  align-self: stretch;
  width: 100%;
  height: 260px;
  overflow: hidden;
}

.media-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.media-glow-blue {
  top: -304px;
  left: -135px;
  opacity: 0.4;
  background: #26a7fe;
  width: 454px;
  height: 454px;
}

.media-glow-cyan {
  top: 101px;
  left: 42px;
  background: #eef8ff;
  width: 391px;
  height: 391px;
}

.media-glow-green {
  position: absolute;
  bottom: -310px;
  left: 206px;
  opacity: 0.4;
  border-radius: 50%;
  background: #02cb64;
  width: 354px;
  height: 354px;
  filter: blur(100px);
  pointer-events: none;
}

.media-glow-green-right {
  position: absolute;
  right: -320px;
  bottom: -310px;
  opacity: 0.4;
  border-radius: 50%;
  background: #02cb64;
  width: 354px;
  height: 354px;
  filter: blur(100px);
  pointer-events: none;
}

.media-vector {
  position: absolute;
  top: 200px;
  left: 131px;
  width: 576px;
  height: 576px;
  pointer-events: none;
}

.media-vector-top {
  position: absolute;
  top: -117px;
  left: 351px;
  width: 576px;
  height: 576px;
  pointer-events: none;
  z-index: 0;
}

.media-tiles {
  position: absolute;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border-radius: 24px 0 0;
  padding: 16px 0 4px 16px;
  width: 170px;
  height: 250px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0) 50.16%);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  z-index: 1;
}

.media-tiles-left {
  left: 40px;
}

.media-tiles-right {
  right: 0;
}

.media-tile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.media-tile-row+.media-tile-row {
  margin-top: 16px;
}

.tile {
  display: flex;
  align-items: center;
  border-radius: 12px;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

/* Row 1 tiles */
.tile-row1-l {
  background: rgba(255, 255, 255, 0.3);
  padding: 12px;
}

.tile-row1-r {
  background: rgba(255, 255, 255, 0.3);
  padding: 14px;
}

.tile-row1-l img {
  width: 36px;
  height: 36px;
}

.tile-row1-r img {
  width: 34px;
  height: 34px;
}

/* Video: row 1 */
.tile-v-row1-l {
  background: rgba(255, 255, 255, 0.3);
  padding: 13px 22px 12px 21px;
}

.tile-v-row1-r {
  background: rgba(255, 255, 255, 0.3);
  padding: 15px 14px 14px;
}

.tile-v-row1-l img {
  width: 18px;
  height: 36px;
}

.tile-v-row1-r img {
  width: 34px;
  height: 32px;
}

/* Row 2 tiles */
.tile-row2-l {
  background: rgba(255, 255, 255, 0.2);
  padding: 20px 12px;
}

.tile-row2-r {
  background: rgba(255, 255, 255, 0.2);
  padding: 22px 14px 18px;
}

.tile-row2-l img {
  width: 36px;
  height: 21px;
}

.tile-row2-r img {
  width: 34px;
  height: 21px;
}

/* Video: row 2 */
.tile-v-row2-l {
  background: rgba(255, 255, 255, 0.2);
  padding: 19px 10px 20px;
}

.tile-v-row2-r {
  background: rgba(255, 255, 255, 0.2);
  padding: 24px 10px;
}

.tile-v-row2-l img {
  width: 40px;
  height: 22px;
}

.tile-v-row2-r img {
  width: 40px;
  height: 14px;
}

/* Row 3 tiles */
.tile-row3-l {
  background: rgba(255, 255, 255, 0.1);
  padding: 12px;
}

.tile-row3-r {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
}

.tile-row3-l img {
  width: 36px;
  height: 36px;
}

.tile-row3-r img {
  width: 30px;
  height: 30px;
}

/* Video: row 3 */
.tile-v-row3-l {
  background: rgba(255, 255, 255, 0.1);
  padding: 18px 12px 18px 13px;
}

.tile-v-row3-r {
  background: rgba(255, 255, 255, 0.1);
  padding: 18px 13px;
}

.tile-v-row3-l img {
  width: 36px;
  height: 24px;
}

.tile-v-row3-r img {
  width: 34px;
  height: 24px;
}

.media-note-ring {
  position: absolute;
  bottom: 80px;
  right: 60px;
  display: flex;
  align-items: center;
  border-radius: 48px;
  padding: 10px;
  width: 110px;
  height: 110px;
  z-index: 2;
}

.media-note-ring-left {
  left: -31px;
  right: auto;
}

.media-note-ring-right {
  right: 129px;
  left: auto;
}

.media-note-circle {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--nb-blue);
  border-radius: 26px;
  padding: 2px;
}

.media-note-circle img {
  width: 40px;
  height: 40px;
}

/* Product grid */
.product-grid {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  align-items: stretch;
  align-self: stretch;
  justify-content: space-between;
  gap: 20px;
}

.product-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--nb-card-border);
  border-radius: 20px;
  background: var(--nb-card-bg);
  padding: 28px 24px;
  gap: 16px;
  overflow: hidden;
  flex: 1 1 100%;
  max-width: 100%;
}

.product-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
}

.product-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-name {
  margin: 0;
  align-self: stretch;
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--nb-t-1);
}

.product-desc {
  margin: 0;
  align-self: stretch;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-align: center;
  font-size: 14px;
  line-height: 24px;
  color: var(--nb-t-2);
}

.product-card .btn-sm {
  padding: 10px 16px;
  white-space: nowrap;
  width: 240px;
  min-width: max-content;
}

.products-cta {
  display: flex;
  justify-content: center;
}

/* =====================================================================
   CORE ADVANTAGE
===================================================================== */
.advantage {
  position: relative;
  background: #ffffff;
  padding: 0;
}

.advantage-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.advantage-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  gap: 12px;
  background-color: #10324f;
  background-image: url("../images/home/home-advantage-head-bg.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 60px 20px 100px;
}

.advantage .section-title {
  color: rgba(0, 0, 0, 0.9);
}

.advantage .section-sub {
  color: rgba(0, 0, 0, 0.7);
}

.advantage-cards {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  margin-top: -80px;
  padding: 0 20px;
  width: 100%;
}

.advantage-cards .advantage-card:hover {
  outline: 2px solid #26a7fe;
  outline-offset: -2px;
  box-shadow: 0 0 40px rgba(38, 167, 254, 0.15);
  transform: translateY(-4px);
  transition: all 0.3s ease;
}

.advantage-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  flex: 1 1 auto;
  border-radius: 40px;
  box-shadow: 0 0 30px rgba(38, 167, 254, 0.08);
  background: #fff;
  padding: 24px;
  gap: 16px;
  max-width: 100%;
  width: 100%;
  transition: all 0.3s ease;
}

.advantage-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(38, 167, 254, 0.16) 0%, rgba(2, 203, 100, 0.16) 100%);
  overflow: hidden;
}

.advantage-icon img {
  width: 30px;
  height: 30px;
}

.advantage-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 26px;
  letter-spacing: 0;
  color: #000000e5;
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

.advantage-desc {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 16px;
  line-height: 26px;
  letter-spacing: 0;
  color: #000000b2;
  font-family: Figtree, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", SimHei, Arial, Helvetica, sans-serif;
}

/* =====================================================================
   2026 MAJOR UPGRADE
===================================================================== */
.upgrade {
  background: #fff;
  padding: 80px 20px;
}

.upgrade-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  border: 1px solid var(--nb-card-border);
  border-radius: 40px;
  background-color: var(--nb-card-bg);
  background-image: url("../images/home/home-upgrade-years-bg.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 24px;
}

.upgrade-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
  align-self: stretch;
  justify-content: center;
  gap: 20px;
}

.upgrade-label {
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
}

.upgrade-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 38px;
  color: var(--nb-t-1);
}

.upgrade-para {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  color: var(--nb-t-2);
}

.upgrade-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.upgrade-features li {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 25px;
  font-size: 14px;
  line-height: 22px;
  color: var(--nb-t-2);
}

.upgrade-features img {
  width: 18px;
  height: 18px;
}

/* upgrade-watch（Watch the new UI demonstration video）独立四态，不使用通用 ghost 样式
   默认透明底+渐变文字 / 悬停/按下仅加深文字渐变 / 禁用 30% 透明度 */
.upgrade-watch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  line-height: 25px;
  color: transparent;
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease;
}

.upgrade-watch .nb-btn__text {
  background-image: linear-gradient(180deg, #26a7fe 0%, #02cb64 100%);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.upgrade-watch:hover .nb-btn__text,
.upgrade-watch:active .nb-btn__text {
  background-image: linear-gradient(180deg, #1e86ca 0%, #02a251 100%);
}

.upgrade-watch img {
  width: 18px;
  height: 18px;
}

.upgrade-watch.is-disabled,
.upgrade-watch:disabled,
.upgrade-watch[disabled] {
  opacity: 0.3;
  pointer-events: none;
}

/* Upgrade media：整块新界面示意图为一张图（images/home/home-version-img.svg） */
.upgrade-media {
  flex-shrink: 0;
  align-self: stretch;
  width: 100%;
}

.upgrade-image {
  display: block;
  width: 100%;
  height: auto;
}

/* =====================================================================
   20 YEARS
===================================================================== */
.years {
  background: #fff;
  padding: 0 20px 80px;
}

.years-grid {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 40px;
}

/* 卡片底/圆角/描边都已画在整合图里, 这里只做居中容器 */
.years-media {
  flex: 1 1 auto;
  align-self: stretch;
}

/* 按容器宽度等比铺满 */
.years-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* Years copy */
.years-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  /* flex: 1 1 auto; */
  justify-content: center;
  gap: 24px;
}

.years-flag {
  display: flex;
  align-items: center;
  gap: 8px;
}

.years-flag-icon {
  display: flex;
  align-items: center;
  width: 48px;
  height: 48px;
  overflow: hidden;
}

.years-flag-icon img {
  width: 52px;
  height: 52px;
  object-fit: cover;
}

.years-flag-text {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 4px;
}

.years-flag-label {
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
}

.years-flag-sub {
  font-size: 14px;
  line-height: 22px;
  color: var(--nb-t-3);
}

.years-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  line-height: 38px;
  color: var(--nb-t-1);
  max-width: 100%;
}

.years-para {
  margin: 0;
  font-size: 16px;
  line-height: 24px;
  color: var(--nb-t-2);
  max-width: 100%;
}

.years-stats {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: stretch;
  gap: 20px;
}

.years-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  flex: 1 1 auto;
  border-top: 1px solid #d6d6d6;
  padding-top: 16px;
  gap: 4px;
}

.years-stat-value {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
}

.years-stat-label {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
  line-height: 22px;
  color: var(--nb-t-3);
}

/* =====================================================================
   AWARDS & REVIEWS
===================================================================== */
.awards {
  background: #fff;
  padding: 80px 20px;
}

.awards-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.awards-logos {
  display: flex;
  /* flex-direction: column; */
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.awards-logos img {
  max-width: 25%;
  height: auto;
  object-fit: contain;
}

.awards-quote {
  margin: 0;
  max-width: 100%;
  text-align: center;
  font-size: 18px;
  line-height: 28px;
  color: var(--nb-t-2);
}

.awards-cta {
  display: flex;
  justify-content: center;
}

/* =====================================================================
   USERS' WORDS
===================================================================== */
.users {
  background: #fff;
  padding: 0 20px 80px;
}

.users-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  border-radius: 40px;
  background-color: #10324f;
  background-image: url("../images/home/home-slider-bg.svg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 24px;
  overflow: hidden;
}

/* 轮播容器（Swiper 自定义元素）。箭头是 Swiper 在 shadow DOM 里自动生成的，
   只能用继承下去的自定义属性 / ::part() 改样式 */
.users-swiper {
  display: block;
  flex: 1 1 auto;
  width: 100%;
  --swiper-navigation-color: #fff;
  --swiper-navigation-size: 32px;
  --swiper-navigation-sides-offset: 16px;
}

/* 引号装饰图：左上 / 右下角各一张，与卡片圆角对位 18px，各断点都显示 */
.quote-mark {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 130px;
  height: 120px;
  object-fit: contain;
}

/* 右下角这张是同一张图 rotate(-180deg) 后使用 */
.quote-right {
  top: auto;
  left: auto;
  right: 18px;
  bottom: 18px;
  transform: rotate(-180deg);
}

.users-body {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.users-title {
  margin: 0;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  line-height: 38px;
  color: #fff;
}

.users-author {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.users-avatars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.user-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
}

.user-avatar-center {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-image: url("../images/home/home-users-avatar-center.png");
  background-position: 0 -10px;
  background-size: 100% 149.95%;
  background-repeat: no-repeat;
  filter: drop-shadow(0 0 20px rgba(38, 167, 254, 0.3));
}

.users-author-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.users-author-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.users-name {
  font-size: 18px;
  font-weight: 500;
  line-height: 28px;
  color: rgba(255, 255, 255, 0.7);
}

.users-role {
  font-size: 14px;
  line-height: 22px;
  color: rgba(255, 255, 255, 0.5);
}

.users-stars {
  width: 120px;
  height: 20px;
  object-fit: contain;
}

.users-quote {
  margin: 0;
  max-width: 100%;
  text-align: center;
  font-size: 15px;
  line-height: 24px;
  color: #fff;
}

/* =====================================================================
   DOWNLOAD CTA
===================================================================== */
.cta {
  background-color: var(--nb-card-bg);
  background-image: url("../images/home/home-download-cta-bg.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 80px 20px;
}

.cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  text-align: center;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.cta-note {
  margin: 0;
  font-size: 14px;
  line-height: 20px;
  color: var(--nb-t-3);
}


/* =====================================================================
   RESPONSIVE — Mobile-First (min-width)
===================================================================== */

/* ≥ 576px — Small tablet / Large mobile */
@media (min-width: 576px) {
  .featured-card-body{
    height: 423px;
  }
  .advantage-cards {
    flex-direction: row;
  }
  .section-title {
    font-size: 32px;
    line-height: 44px;
  }

  .section-sub {
    font-size: 20px;
    line-height: 30px;
  }

  .home-hero {
    padding: 80px 20px;
  }

  .hero-title {
    font-size: 36px;
    line-height: 48px;
  }

  .hero-subtitle {
    font-size: 18px;
    line-height: 28px;
  }

  .hero-actions {
    flex-direction: row;
    align-items: center;
    width: auto;
  }

  .hero-actions .btn-pill {
    width: auto;
  }

  .mockup-window {
    width: 380px;
    height: 300px;
    transform: translateX(-50%) scale(0.9);
  }

  .app-chip {
    width: 108px;
    padding: 8px 6px;
    font-size: 11px;
  }

  .app-chip img {
    width: 18px;
    height: 18px;
  }

  .mockup-window-top {
    padding: 12px 20px 12px 38px;
  }

  .mockup-avatar {
    width: 42px;
    height: 42px;
  }

  .mockup-bar {
    width: 160px;
    height: 20px;
  }

  .app-grid {
    padding: 6px 20px 20px 38px;
    gap: 8px;
  }

  .btn-pill {
    height: 58px;
    padding: 16px 28px;
    font-size: 20px;
  }

  .btn-lg {
    height: 58px;
    padding: 16px 28px;
    font-size: 20px;
  }

  .mockup-badge {
    width: 140px;
    height: 56px;
    padding: 14px 16px;
    top: 80px;
  }

  .mockup-badge img {
    width: 22px;
    height: 22px;
  }

  .mockup-badge-id3 .gradient-text {
    font-size: 16px;
  }

  .mockup-logo {
    width: 100px;
    height: 100px;
    top: 280px;
    left: 55%;
  }

  .mockup-note {
    width: 100px;
    height: 100px;
    top: 250px;
    left: 30px;
  }

  .note-square {
    width: 100px;
    height: 100px;
  }

  .note-square img {
    width: 56px;
    height: 56px;
  }

  .mockup-cards {
    top: 300px;
  }

  .mockup-card-lg {
    width: 190px;
    height: 64px;
  }

  .mockup-card-lg img {
    width: 40px;
    height: 40px;
  }

  .mockup-card-sm {
    width: 160px;
    height: 60px;
  }

  .products {
    padding: 80px 20px;
  }

  /* .product-card {
    flex: 0 0 calc(50% - 10px);
    max-width: calc(50% - 10px);
  } */

  .featured-title {
    font-size: 22px;
  }

  .featured-media {
    height: 300px;
  }

  .media-tiles {
    width: 190px;
    height: 280px;
    padding: 18px 0 4px 18px;
  }

  .media-note-ring {
    width: 120px;
    height: 120px;
    bottom: 90px;
    right: 80px;
  }

  .media-note-circle img {
    width: 44px;
    height: 44px;
  }

  .upgrade {
    padding: 80px 20px;
  }

  .upgrade-card {
    padding: 32px;
    gap: 40px;
  }

  .upgrade-title {
    font-size: 32px;
    line-height: 44px;
  }

  .years {
    padding: 0 20px 0;
  }

  .years-title {
    font-size: 32px;
    line-height: 44px;
  }

  .years-stats {
    flex-direction: row;
  }

  .awards {
    padding: 80px 20px;
  }

  .awards-logos {
    flex-direction: row;
    gap: 40px;

  }

  .awards-logos img {
    width: 160px;
  }

  .awards-quote {
    font-size: 20px;
    line-height: 30px;
  }

  .users {
    padding: 0 20px 80px;
  }

  .users-card {
    padding: 32px;
  }

  .users-title {
    font-size: 32px;
    line-height: 44px;
  }

  .users-quote {
    font-size: 16px;
    line-height: 26px;
  }

  .cta {
    padding: 80px 20px;
  }
}

/* ≥ 768px — Tablet */
@media (min-width: 768px) {
  .featured-card-body{
    width: 423px;
    height: 345px;
  } 
  .card-actions {
    flex-direction: row;
  }
  .advantage-cards {
    flex-direction: row;
  }
  .section-title {
    font-size: 36px;
    line-height: 48px;
  }

  .section-sub {
    font-size: 20px;
    line-height: 30px;
  }

  .hero-title {
    font-size: 52px;
    line-height: 68px;
  }

  .hero-subtitle {
    line-height: 43px;
  }

  .mockup-window {
    width: 380px;
    height: 300px;
    transform: translateX(-50%) scale(1);
  }

  .mockup-logo {
    width: 110px;
    height: 110px;
    top: 300px;
  }

  .mockup-card-lg {
    width: 200px;
    height: 64px;
  }

  .products {
    padding: 100px 20px;
  }

  .upgrade {
    padding: 100px 20px;
  }

  .upgrade-title {
    font-size: 36px;
    line-height: 48px;
  }

  .advantage-head {
    padding: 80px 20px 140px;
  }

  .years {
    padding: 0 20px 0;
  }

  .awards {
    padding: 120px 20px;
  }

  .users {
    padding: 0 20px 100px;
  }

  .cta {
    padding: 100px 20px;
  }
}

/* ≥ 992px — Desktop */
@media (min-width: 992px) {
  .section-title {
    font-size: 40px;
    line-height: 56px;
  }

  .section-sub {
    font-size: 24px;
    line-height: 34px;
  }

  .home-hero {
    padding: 80px 40px;
  }

  .hero-grid {
    flex-direction: row;
    gap: 40px;
  }

  .hero-copy {
    align-items: flex-start;
    text-align: left;
    max-width: 55%;
  }

  .hero-title {
    font-size: 44px;
    line-height: 56px;
  }

  .hero-actions {
    flex-direction: row;
    align-items: center;
  }

  .hero-mockup {
    width: 460px;
    margin: 0 auto;
  }

  .mockup-window {
    left: 50%;
    transform: translateX(-50%) scale(1);
  }

  .mockup-logo {
    top: 280px;
    left: 55%;
  }

  .trusted-by {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 28px 40px;
  }

  .trusted-right {
    align-items: flex-end;
  }

  .avatar-stack {
    margin-left: 128px;
  }

  .products {
    padding: 100px 40px;
  }

  .featured-row {
    flex-direction: row;
    gap: 40px;
  }

  .featured-card {
    flex-direction: row;
    height: 423px;
  }

  .featured-card-body {
    padding: 40px 32px;
    width: 300px;
    height: 423px;
  }

  .featured-media {
    height: 345px;
    width: 240px;
  }

  .featured-title {
    font-size: 24px;
  }

  .featured-desc {
    font-size: 16px;
    line-height: 29px;
  }

  .card-actions {
    flex-direction: column;
  }

  .btn-sm {
    height: 58px;
    padding: 10px 36px;
    font-size: 20px;
  }

  .product-grid {
    gap: 40px;
  }

  .product-card {
    flex: 0 0 calc(33.333% - 27px);
    max-width: calc(33.333% - 27px);
    padding: 35px 31px;
    gap: 20px;
  }

  .product-name {
    font-size: 24px;
  }

  .product-desc {
    font-size: 16px;
    line-height: 29px;
  }

  .product-icon {
    width: 72px;
    height: 72px;
  }

  .media-tiles {
    width: 200px;
    height: 305px;
    padding: 20px 0 5px 20px;
  }

  .media-tile-row+.media-tile-row {
    margin-top: 20px;
  }

  .os-tabs {
    gap: 40px;
  }

  .os-tab {
    height: 50px;
    font-size: 20px;
  }

  .advantage-head {
    padding: 80px 240px 140px;
  }

  .advantage-cards {
    flex-direction: row;
    align-items: flex-end;
    justify-content: center;
    gap: 40px;
    padding: 0 40px;
  }

  .advantage-card {
    max-width: 453px;
    width: auto;
    padding: 40px;
    gap: 20px;
  }

  .advantage-icon {
    width: 64px;
    height: 64px;
  }

  .advantage-icon img {
    width: 36px;
    height: 36px;
  }

  .advantage-title {
    font-size: 20px;
    line-height: 28px;
  }

  .advantage-desc {
    font-size: 18px;
    line-height: 29px;
  }

  .upgrade {
    padding: 100px 40px;
  }

  .upgrade-card {
    gap: 60px;
    padding: 79px;
  }

  .upgrade-title {
    font-size: 36px;
    line-height: 48px;
  }

  .upgrade-para {
    font-size: 16px;
  }

  .upgrade-features li {
    font-size: 16px;
  }

  .upgrade-media {
    width: 500px;
  }

  .years {
    padding: 0 40px 0;
  }

  .years-grid {
    /* flex-direction: row; */
    gap: 80px;
  }

  .years-media {
    flex: 1 1 0;
  }

  .years-title {
    font-size: 36px;
    line-height: 48px;
    max-width: 100%;
  }

  .years-para {
    font-size: 18px;
    line-height: 26px;
    max-width: 100%;
  }

  .years-stats {
    flex-direction: row;
    gap: 40px;
  }

  .years-stat-value {
    font-size: 26px;
  }

  .years-stat-label {
    font-size: 16px;
    line-height: 26px;
  }

  .awards {
    padding: 120px 40px;
  }

  .awards-inner {
    gap: 40px;
  }

  .awards-logos {
    gap: 80px;
  }

  .awards-logos img {
    width: 198px;
    height: 70px;
  }

  .awards-quote {
    font-size: 26px;
    line-height: 36px;
    max-width: 1200px;
  }

  .users {
    padding: 0 40px 100px;
  }

  /* 两张引号装饰图和轮播都是绝对定位, 卡片里没有常规流子元素撑高度,
     这里显式给高度; 610 也正好是背景图 home-slider-bg.svg 的原始高度 */
  .users-card {
    padding: 40px;
    min-height: 610px;
  }

  /* 桌面端：轮播整体浮在卡片背景之上（原来这段定位在 .users-body 上，
     包成轮播后容器变成了 .users-swiper，定位要跟着上移） */
  .users-swiper {
    position: absolute;
    top: 100px;
    left: 100px;
    right: 100px;
    /* 覆盖基础规则的 width: 100%，否则 right: 100px 失效、宽度会算错 */
    width: auto;
  }

  .users-body {
    gap: 40px;
  }

  .users-title {
    font-size: 36px;
    line-height: 48px;
  }

  .users-avatars {
    gap: 40px;
  }

  .user-avatar {
    width: 70px;
    height: 70px;
  }

  .user-avatar-center {
    width: 88px;
    height: 88px;
  }

  .users-name {
    font-size: 20px;
  }

  .users-role {
    font-size: 16px;
  }

  .users-stars {
    width: 152px;
    height: 24px;
  }

  .users-quote {
    font-size: 20px;
    line-height: 28px;
    max-width: 1240px;
  }

  .cta {
    padding: 100px 40px;
  }

  .cta-inner {
    gap: 40px;
  }

}

/* 992px ~ 1199px — 产品卡按钮
   ≥992 起 .card-actions 被改成 column, 而 .btn-sm 固定 240px 宽,
   按钮在更宽的卡片里显得又窄又靠左; 改回 row 后按钮靠 flex: 1 撑满卡片宽度,
   两个放不下时由 flex-wrap 自动换行, 各自铺满一行 */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .product-card .card-actions {
    flex-direction: row;
  }

  .product-card .btn-sm {
    flex: 1;
    min-width: max-content;
  }
}

/* ≥ 1200px — Large desktop */
@media (min-width: 1200px) {
  .upgrade-card{
    flex-direction: row;
  }
 
  .featured-card-body{
    height: 423px;
    width: 418px;
  }
  .card-actions {
    flex-direction: row;
  }

  .years-grid {
    flex-direction: row;
    gap: 80px;
  }

  /* 布局转横向后交叉轴变成高度, 不再拉伸, 让卡片跟着图片高度走 */
  .years-media {
    align-self: center;
  }

  .years-copy {
    width: 640px;
  }

  .section-title {
    font-size: 48px;
    line-height: 67px;
  }

  .section-sub {
    font-size: 26px;
    line-height: 36px;
  }

  .home-hero {
    padding: 80px 40px;
  }

  .hero-title {
    font-size: 48px;
    line-height: 62px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-mockup {
    width: 540px;
    transform: none;
  }

  .mockup-window {
    width: 480px;
    height: 360px;
    left: 50%;
    transform: translateX(-50%) scale(1);
  }

  .mockup-logo {
    width: 140px;
    height: 140px;
    top: 320px;
    left: 55%;
  }

  .mockup-card-lg {
    width: 220px;
    height: 72px;
  }

  .mockup-card-lg img {
    width: 46px;
    height: 46px;
  }

  .btn-pill {
    height: 68px;
    padding: 20px 40px;
    font-size: 24px;
  }

  .btn-pill img {
    width: 20px;
    height: 20px;
  }

  .btn-lg {
    height: 68px;
    padding: 20px 40px;
    font-size: 24px;
  }

  .product-grid {
    gap: 40px;
  }

  .product-card {
    flex: 0 0 calc(33.333% - 27px);
    max-width: calc(33.333% - 27px);
  }

  .years-title {
    font-size: 48px;
    line-height: 67px;
  }

  .years-para {
    font-size: 20px;
    line-height: 28px;
  }

  .upgrade-title {
    font-size: 48px;
    line-height: 67px;
  }

  .upgrade-media {
    width: 600px;
  }

  .users-title {
    font-size: 48px;
    line-height: 67px;
  }

  .awards-quote {
    font-size: 26px;
    line-height: 36px;
  }
}

/* ≥ 1440px — XL desktop */
@media (min-width: 1440px) {
  .years-copy {
    width: 680px;
  }

  .home-hero {
    padding: 80px 60px;
  }

  .hero-title {
    font-size: 60px;
    line-height: 78px;
  }

  .hero-copy {
    max-width: 660px;
  }

  .hero-mockup {
    width: 620px;
    height: 540px;
  }

  .mockup-window {
    top: 50px;
    left: 20px;
    width: 534px;
    height: 400px;
    transform: rotate(4deg);
  }

  .mockup-window-top {
    padding: 16px 24px 16px 46px;
  }

  .mockup-avatar {
    width: 48px;
    height: 48px;
  }

  .mockup-bar {
    width: 200px;
    height: 24px;
  }

  .app-grid {
    padding: 8px 32px 24px 46px;
    gap: 12px;
  }

  .app-chip {
    width: 130px;
    padding: 12px 8px;
    font-size: 13px;
  }

  .app-chip img {
    width: 24px;
    height: 24px;
  }

  .mockup-badge {
    top: 96px;
    right: 6px;
    padding: 20px 24px;
    width: 172px;
    height: 68px;
  }

  .mockup-badge img {
    width: 28px;
    height: 28px;
  }

  .mockup-badge-id3 .gradient-text {
    font-size: 20px;
  }

  .mockup-logo {
    width: 160px;
    height: 160px;
    top: 360px;
    left: 496px;
  }

  .mockup-note {
    width: 120px;
    height: 120px;
    top: 318px;
    left: 54px;
  }

  .note-square {
    width: 120px;
    height: 120px;
  }

  .note-square img {
    width: 64px;
    height: 64px;
  }

  .note-polygon {
    top: 108px;
    right: 105px;
    width: 20px;
    height: 20px;
  }

  .mockup-cards {
    top: 428px;
    left: 279px;
    transform: none;
  }

  .mockup-card-lg {
    width: 247px;
    height: 80px;
    padding: 14px 37px 14px 14px;
    top: 25px;
  }

  .mockup-card-lg img {
    width: 52px;
    height: 52px;
  }

  .mockup-card-sm {
    top: 0;
    right: 20px;
    padding: 13px 23px 14px 13px;
    width: 207px;
    height: 69px;
  }

  .mockup-card-sm img {
    width: 42px;
    height: 42px;
  }

  .products {
    padding: 100px 40px;
  }

  .advantage-cards {
    padding: 0 40px;
    flex-direction: row;
  }

  .upgrade {
    padding: 100px 40px;
  }

  .years {
    padding: 0 40px 0;
  }

  .awards {
    padding: 120px 40px;
  }

  .users {
    padding: 0 40px 100px;
  }

  .cta {
    padding: 100px 60px;
  }
}

/* ≥ 1600px — XXL desktop */
@media (min-width: 1600px) {
  .trusted-by {
    padding: 28px 220px;
  }

  .home-hero {
    padding: 80px 0;
  }

  .hero-grid {
    max-width: 1320px;
    margin: 0 auto;
  }

  .products {
    padding: 100px 240px;
  }

  .advantage-cards {
    padding: 0 240px;
    flex-direction: row;
  }

  .upgrade {
    padding: 100px 240px;
  }

  .years {
    padding: 0 240px 0;
  }

  .awards {
    padding: 120px 240px;
  }

  .users {
    padding: 0 240px 100px;
  }

  .cta {
    padding: 100px 0;
  }
}

/* < 992px — 小屏隐藏轮播箭头，只保留左右滑动 */
@media (max-width: 991.98px) {
  .users-swiper::part(button-prev),
  .users-swiper::part(button-next) {
    display: none;
  }
}