/* ==============================
   全局基础样式
   ============================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #050816;
  color: #fff;
  overflow-x: hidden;
}

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

button {
  font-family: inherit;
}

.page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(0, 212, 255, 0.22), transparent 28%),
    radial-gradient(circle at 85% 5%, rgba(124, 60, 255, 0.25), transparent 32%),
    radial-gradient(circle at 50% 90%, rgba(255, 0, 180, 0.12), transparent 35%),
    #050816;
  position: relative;
}

.page::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

/* ==============================
   顶部导航
   ============================== */

.header {
  padding: 22px 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 22px;
  border-radius: 22px;
  background: rgba(8, 12, 30, 0.78);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0,0,0,0.32);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 800;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  background: linear-gradient(135deg, #00d4ff, #7c3cff);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 28px rgba(0,212,255,0.42);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: rgba(255,255,255,0.72);
}

.nav-links a:hover {
  color: #00d4ff;
}

.nav-download {
  padding: 10px 18px;
  border-radius: 999px;
  color: #fff !important;
  background: linear-gradient(135deg, #00d4ff, #7c3cff);
}

/* ==============================
   首屏区域
   ============================== */

.hero {
  padding: 72px 0 82px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 58px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(0,212,255,0.09);
  border: 1px solid rgba(0,212,255,0.35);
  color: #8eeeff;
  font-size: 13px;
  margin-bottom: 24px;
}

.badge span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00ffb3;
  box-shadow: 0 0 14px #00ffb3;
}

.hero h1 {
  font-size: 58px;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #00d4ff, #a98cff, #ff4fd8);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-desc {
  max-width: 620px;
  color: rgba(255,255,255,0.72);
  font-size: 18px;
  line-height: 1.9;
  margin-bottom: 22px;
}

.device-recommend {
  max-width: 620px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(0,255,179,0.08);
  border: 1px solid rgba(0,255,179,0.2);
  color: #9dffe5;
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn {
  min-height: 50px;
  padding: 0 23px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 15px;
  font-weight: 800;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: 0.25s;
  white-space: nowrap;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #00d4ff, #7c3cff);
  box-shadow: 0 15px 42px rgba(0,212,255,0.3);
}

.btn-secondary {
  color: rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
}

.btn:hover {
  transform: translateY(-3px);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  max-width: 580px;
}

.stat-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.11);
}

.stat-card strong {
  display: block;
  font-size: 26px;
  margin-bottom: 6px;
}

.stat-card span {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
}

/* ==============================
   首屏右侧预览
   ============================== */

.hero-right {
  position: relative;
}

.app-preview {
  padding: 24px;
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(24px);
  box-shadow: 0 40px 120px rgba(0,0,0,0.54);
}

.preview-top {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
}

.preview-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.preview-top span:nth-child(1) { background: #ff5f57; }
.preview-top span:nth-child(2) { background: #ffbd2e; }
.preview-top span:nth-child(3) { background: #28c840; }

.preview-card {
  padding: 30px;
  border-radius: 26px;
  background:
    linear-gradient(135deg, rgba(0,212,255,0.2), rgba(124,60,255,0.18)),
    rgba(0,0,0,0.18);
  border: 1px solid rgba(255,255,255,0.12);
  text-align: center;
}

.disc {
  width: 160px;
  height: 160px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background:
    radial-gradient(circle, #050816 0 12%, #fff 13% 16%, transparent 17%),
    conic-gradient(from 90deg, #00d4ff, #7c3cff, #ff4fd8, #00d4ff);
  animation: rotate 8s linear infinite;
  box-shadow: 0 0 38px rgba(255,255,255,0.22);
}

@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}

.preview-card h3 {
  margin-bottom: 8px;
}

.preview-card p {
  color: rgba(255,255,255,0.62);
  margin-bottom: 22px;
}

.wave {
  display: flex;
  justify-content: center;
  gap: 6px;
  height: 48px;
  align-items: center;
  margin-bottom: 22px;
}

.wave i {
  width: 6px;
  border-radius: 999px;
  background: linear-gradient(180deg, #00d4ff, #7c3cff);
  animation: wave 1.2s ease-in-out infinite;
}

.wave i:nth-child(1) { height: 18px; animation-delay: 0s; }
.wave i:nth-child(2) { height: 35px; animation-delay: .1s; }
.wave i:nth-child(3) { height: 25px; animation-delay: .2s; }
.wave i:nth-child(4) { height: 45px; animation-delay: .3s; }
.wave i:nth-child(5) { height: 31px; animation-delay: .4s; }
.wave i:nth-child(6) { height: 42px; animation-delay: .5s; }
.wave i:nth-child(7) { height: 22px; animation-delay: .6s; }
.wave i:nth-child(8) { height: 38px; animation-delay: .7s; }

@keyframes wave {
  0%,100% {
    transform: scaleY(.55);
    opacity: .6;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

.score-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 11px;
}

.score-grid div {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
}

.score-grid b {
  display: block;
  color: #00d4ff;
  font-size: 22px;
  margin-bottom: 4px;
}

.score-grid span {
  color: rgba(255,255,255,0.58);
  font-size: 12px;
}

/* ==============================
   通用区块
   ============================== */

.section {
  padding: 88px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 52px;
}

.section-title span,
.mini-title {
  color: #00d4ff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  display: inline-block;
}

.section-title h2 {
  font-size: 42px;
  margin-bottom: 14px;
}

.section-title p {
  color: rgba(255,255,255,0.62);
  font-size: 17px;
  line-height: 1.8;
}

/* ==============================
   浏览器提示
   ============================== */

.browser-warning {
  display: none;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.32);
  color: #ffe6a3;
  line-height: 1.75;
}

/* ==============================
   视频区域
   ============================== */

.video-card {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  border-radius: 34px;
  overflow: hidden;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 36px 100px rgba(0,0,0,0.42);
}

.video-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #111936, #27155f);
}

.video-mask {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: linear-gradient(rgba(5,8,22,0.1), rgba(5,8,22,0.72));
  text-align: center;
  padding: 20px;
}

.play-button {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00d4ff, #7c3cff);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: 0 0 50px rgba(0,212,255,0.42);
}

.play-button::before {
  content: "";
  margin-left: 7px;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
  border-left: 28px solid #fff;
}

.video-mask h3 {
  font-size: 28px;
  margin-bottom: 8px;
}

.video-mask p {
  color: rgba(255,255,255,0.72);
}

.video-list {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.small-video-item,
.info-card,
.install-card,
.info-box,
.faq-item {
  padding: 26px;
  border-radius: 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.11);
  backdrop-filter: blur(18px);
}

.small-video-item strong {
  display: block;
  margin-bottom: 8px;
}

.small-video-item span {
  color: rgba(255,255,255,0.58);
  font-size: 14px;
}

/* ==============================
   功能卡片
   ============================== */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.info-card {
  transition: 0.25s;
}

.info-card:hover {
  transform: translateY(-7px);
  border-color: rgba(0,212,255,0.35);
  box-shadow: 0 24px 70px rgba(0,0,0,0.35);
}

.icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0,212,255,0.28), rgba(124,60,255,0.26));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 25px;
  margin-bottom: 20px;
}

.info-card h3 {
  font-size: 19px;
  margin-bottom: 12px;
}

.info-card p {
  color: rgba(255,255,255,0.62);
  line-height: 1.75;
  font-size: 14px;
}

/* ==============================
   下载区域
   ============================== */

.download-panel {
  padding: 36px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(0,212,255,0.14), rgba(124,60,255,0.13)),
    rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(22px);
  box-shadow: 0 30px 100px rgba(0,0,0,0.4);
}

.download-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.download-head h2 {
  font-size: 34px;
  margin-bottom: 12px;
}

.download-head p {
  color: rgba(255,255,255,0.66);
  line-height: 1.8;
}

.safe-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.safe-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0,255,179,0.09);
  border: 1px solid rgba(0,255,179,0.22);
  color: #9dffe5;
  font-size: 12px;
  white-space: nowrap;
}

.tabs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.tab {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.11);
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: 0.25s;
  font-weight: 700;
}

.tab.active,
.tab:hover {
  color: #fff;
  background: linear-gradient(135deg, rgba(0,212,255,0.32), rgba(124,60,255,0.3));
  border-color: rgba(0,212,255,0.38);
}

.version-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.version-card {
  display: none;
  padding: 26px;
  border-radius: 24px;
  background: rgba(255,255,255,0.065);
  border: 1px solid rgba(255,255,255,0.11);
}

.version-card.show {
  display: block;
}

.version-card.recommended {
  border-color: rgba(0,255,179,0.55);
  box-shadow: 0 0 0 2px rgba(0,255,179,0.08), 0 22px 70px rgba(0,0,0,0.3);
}

.version-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.version-card h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.version-card p {
  color: rgba(255,255,255,0.62);
  line-height: 1.75;
  font-size: 14px;
}

.version-tag {
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(0,212,255,0.12);
  border: 1px solid rgba(0,212,255,0.25);
  color: #84ecff;
  font-size: 12px;
  white-space: nowrap;
}

.version-tag.recommend {
  color: #9dffe5;
  background: rgba(0,255,179,0.1);
  border-color: rgba(0,255,179,0.25);
}

.version-tag.business {
  color: #ffd7fb;
  background: rgba(255,79,216,0.1);
  border-color: rgba(255,79,216,0.25);
}

.meta-grid {
  margin: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-grid span {
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.66);
  font-size: 12px;
  border: 1px solid rgba(255,255,255,0.09);
}

.hash-box {
  padding: 13px;
  border-radius: 15px;
  background: rgba(0,0,0,0.16);
  border: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 18px;
  overflow-x: auto;
}

.hash-box p {
  font-size: 12px;
  color: rgba(255,255,255,0.58);
  white-space: nowrap;
}

.hash-box p + p {
  margin-top: 6px;
}

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.old-version {
  margin-top: 24px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
}

.old-version h3 {
  margin-bottom: 8px;
}

.old-version p {
  color: rgba(255,255,255,0.62);
  line-height: 1.7;
  margin-bottom: 14px;
}

.old-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.old-links a {
  color: #00d4ff;
}

/* ==============================
   安装教程
   ============================== */

.install-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.install-card h3 {
  margin-bottom: 16px;
}

.install-card ol {
  padding-left: 20px;
  color: rgba(255,255,255,0.66);
  line-height: 1.9;
}

/* ==============================
   版本对比表
   ============================== */

.table-wrap {
  overflow-x: auto;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.11);
}

.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: rgba(255,255,255,0.06);
}

.compare-table th,
.compare-table td {
  padding: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.09);
  text-align: center;
}

.compare-table th {
  background: rgba(0,212,255,0.12);
  color: #9eefff;
}

.compare-table td {
  color: rgba(255,255,255,0.72);
}

.compare-table td:first-child,
.compare-table th:first-child {
  text-align: left;
}

/* ==============================
   信息区、FAQ
   ============================== */

.two-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.info-box h3,
.faq-item h3 {
  margin-bottom: 15px;
}

.info-box ul {
  padding-left: 20px;
  color: rgba(255,255,255,0.66);
  line-height: 1.9;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.faq-item p {
  color: rgba(255,255,255,0.62);
  line-height: 1.75;
  font-size: 14px;
}

/* ==============================
   底部
   ============================== */

.footer {
  padding: 34px 0 90px;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  color: rgba(255,255,255,0.48);
  font-size: 14px;
}

.footer p + p {
  margin-top: 10px;
}

.footer a {
  margin: 0 8px;
  color: rgba(255,255,255,0.58);
}

/* ==============================
   弹窗
   ============================== */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  width: min(560px, 96vw);
  background: #0a0f24;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.15);
  position: relative;
  box-shadow: 0 40px 120px rgba(0,0,0,0.65);
  padding: 28px;
}

.video-content {
  width: min(1000px, 96vw);
  padding: 0;
  overflow: hidden;
}

.modal-close {
  position: absolute;
  right: 14px;
  top: 12px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  color: #fff;
  background: rgba(0,0,0,0.45);
  font-size: 22px;
  cursor: pointer;
}

.video-content video {
  width: 100%;
  display: block;
  background: #000;
}

.download-modal-content h3,
.service-content h3 {
  font-size: 24px;
  margin-bottom: 18px;
}

.download-confirm-info {
  padding: 16px;
  border-radius: 16px;
  background: rgba(255,255,255,0.06);
  margin-bottom: 14px;
}

.download-confirm-info p {
  line-height: 1.9;
  color: rgba(255,255,255,0.7);
}

.install-tip {
  padding: 14px;
  border-radius: 15px;
  background: rgba(255,193,7,0.1);
  border: 1px solid rgba(255,193,7,0.25);
  color: #ffe6a3;
  line-height: 1.75;
  margin-bottom: 18px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.service-content p {
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-list {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.service-list div {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.72);
}

.qrcode-placeholder {
  height: 180px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

/* ==============================
   悬浮客服和手机底部栏
   ============================== */

.float-service {
  position: fixed;
  right: 18px;
  bottom: 110px;
  z-index: 70;
  display: grid;
  gap: 10px;
}

.float-service button,
.float-service a {
  width: 72px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(8,12,30,0.86);
  color: #fff;
  backdrop-filter: blur(18px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.mobile-bar {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 80;
  display: none;
  gap: 10px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(8,12,30,0.88);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(18px);
  box-shadow: 0 20px 70px rgba(0,0,0,0.5);
}

.mobile-bar a,
.mobile-bar button {
  flex: 1;
  height: 46px;
  border-radius: 14px;
  border: none;
  color: #fff;
  background: rgba(255,255,255,0.08);
  font-weight: 800;
}

.mobile-bar .main {
  background: linear-gradient(135deg, #00d4ff, #7c3cff);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==============================
   响应式适配
   ============================== */

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .hero h1 {
    font-size: 44px;
  }

  .feature-grid,
  .video-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .version-grid,
  .install-grid,
  .two-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .download-head {
    flex-direction: column;
  }

  .safe-tags {
    justify-content: flex-start;
  }

  .mobile-bar {
    display: flex;
  }

  .float-service {
    display: none;
  }
}

@media (max-width: 640px) {
  .header {
    padding: 14px 0;
  }

  .nav {
    padding: 13px 15px;
  }

  .logo {
    font-size: 17px;
  }

  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding: 38px 0 54px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-desc {
    font-size: 16px;
  }

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

  .stats {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 64px 0;
  }

  .section-title h2 {
    font-size: 30px;
  }

  .feature-grid,
  .video-list {
    grid-template-columns: 1fr;
  }

  .download-panel {
    padding: 24px 18px;
  }

  .download-head h2 {
    font-size: 28px;
  }

  .version-card {
    padding: 22px 18px;
  }

  .download-buttons .btn,
  .download-buttons a {
    width: 100%;
  }

  .play-button {
    width: 74px;
    height: 74px;
  }

  .video-mask h3 {
    font-size: 21px;
  }

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

  .modal-actions .btn {
    width: 100%;
  }

/* =====================================================
   首屏 Hero 区域优化：电脑端居中，手机端字体放大
===================================================== */

//* =====================================================
   删除右侧播放卡片后：Hero 首屏单列居中优化
===================================================== */

/* 外层容器居中 */
.hero-container {
  width: 100%;
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(20px, 4vw, 56px);
  padding-right: clamp(20px, 4vw, 56px);
}

/* 单列 Hero 布局 */
.hero.hero-single {
  width: 100%;
  min-height: calc(100vh - 90px);
  display: flex !important;
  align-items: center;
  justify-content: center;
  grid-template-columns: none !important;
  padding-top: 110px;
  padding-bottom: 90px;
}

/* 内容主体居中 */
.hero.hero-single .hero-left {
  width: 100%;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  justify-self: center !important;
}

/* 顶部标签 */
.hero.hero-single .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 26px;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

/* 标签小圆点 */
.hero.hero-single .badge span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* 主标题 */
.hero-title {
  margin: 0;
  color: #ffffff;
  font-size: clamp(52px, 5.4vw, 76px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -2.2px;
}

/* 第一行 */
.hero-title span {
  display: block;
  color: #ffffff;
}

/* 第二行渐变文字 */
.hero-title em {
  display: block;
  margin-top: 8px;
  font-style: normal;
  background: linear-gradient(
    135deg,
    #18c9ff 0%,
    #607dff 46%,
    #ec5cff 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 描述文字 */
.hero-desc {
  max-width: 720px;
  margin: 28px auto 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
  line-height: 1.9;
  letter-spacing: 0.2px;
}

/* 设备推荐提示框 */
.device-recommend {
  max-width: 680px;
  margin: 28px auto 0;
  padding: 17px 22px;
  border-radius: 18px;
  color: #9fffea;
  background: rgba(0, 255, 224, 0.08);
  border: 1px solid rgba(0, 255, 224, 0.25);
  font-size: 15px;
  line-height: 1.75;
  text-align: center;
}

/* 如果你原来有 before 图标，居中布局下可以隐藏，避免文字偏移 */
.hero.hero-single .device-recommend::before {
  display: none;
}

/* 按钮区域 */
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* 按钮 */
.hero-actions .btn {
  min-width: 166px;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 16px;
  font-size: 15px;
  font-weight: 800;
  white-space: nowrap;
}

/* 统计卡片 */
.stats {
  width: 100%;
  max-width: 580px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 36px auto 0;
}

/* 单个统计卡片 */
.stat-card {
  min-height: 108px;
  padding: 22px 16px;
  border-radius: 20px;
  text-align: center;
}

/* 统计数字 */
.stat-card strong {
  display: block;
  color: #ffffff;
  font-size: clamp(25px, 2.6vw, 34px);
  line-height: 1.08;
  font-weight: 900;
  white-space: nowrap;
}

/* 统计说明 */
.stat-card span {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  white-space: nowrap;
}


/* =====================================================
   平板端优化
===================================================== */

@media (max-width: 1024px) {
  .hero.hero-single {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: 76px;
  }

  .hero.hero-single .hero-left {
    max-width: 760px;
  }

  .hero-title {
    font-size: clamp(48px, 7vw, 66px);
  }

  .hero-desc {
    font-size: 17px;
  }
}


/* =====================================================
   手机端优化：字体稍大，比例更舒服
===================================================== */

@media (max-width: 768px) {
  .hero-container {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero.hero-single {
    padding-top: 108px;
    padding-bottom: 62px;
  }

  .hero.hero-single .hero-left {
    max-width: 100%;
    text-align: center;
  }

  .hero.hero-single .badge {
    max-width: 100%;
    margin-bottom: 24px;
    padding: 9px 14px;
    font-size: 13.5px;
    line-height: 1.35;
  }

  .hero-title {
    font-size: clamp(42px, 11.5vw, 56px);
    line-height: 1.1;
    letter-spacing: -1.2px;
  }

  .hero-title em {
    margin-top: 6px;
  }

  .hero-desc {
    max-width: 100%;
    margin-top: 24px;
    font-size: 16.5px;
    line-height: 1.85;
    text-align: left;
  }

  .device-recommend {
    max-width: 100%;
    margin-top: 24px;
    padding: 15px 16px;
    border-radius: 16px;
    font-size: 14.5px;
    line-height: 1.75;
    text-align: left;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
  }

  .hero-actions .btn {
    width: 100%;
    min-width: 0;
    min-height: 50px;
    padding: 13px 10px;
    border-radius: 15px;
    font-size: 14.5px;
  }

  .stats {
    max-width: 100%;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 32px;
  }

  .stat-card {
    min-height: 96px;
    padding: 17px 8px;
    border-radius: 18px;
  }

  .stat-card strong {
    font-size: clamp(23px, 6.5vw, 30px);
    letter-spacing: -0.5px;
  }

  .stat-card span {
    margin-top: 9px;
    font-size: 12.5px;
  }
}


/* =====================================================
   小屏手机优化
===================================================== */

@media (max-width: 430px) {
  .hero-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero.hero-single {
    padding-top: 100px;
    padding-bottom: 54px;
  }

  .hero.hero-single .badge {
    font-size: 12.5px;
    padding: 8px 12px;
  }

  .hero-title {
    font-size: clamp(39px, 11vw, 48px);
    line-height: 1.12;
    letter-spacing: -1px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .device-recommend {
    font-size: 14.5px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn {
    min-height: 50px;
    font-size: 15px;
  }

  .stats {
    gap: 9px;
  }

  .stat-card {
    min-height: 90px;
    padding: 15px 6px;
  }

  .stat-card strong {
    font-size: 23px;
  }

  .stat-card span {
    font-size: 12px;
  }
}


/* =====================================================
   超小屏：统计卡片改成单列，避免挤压
===================================================== */

@media (max-width: 360px) {
  .hero-title {
    font-size: 36px;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .stat-card {
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    text-align: left;
  }

  .stat-card span {
    margin-top: 0;
  }
}